10-Q

FORM 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2013

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ______  to ______

Commission file number 1-10816

MGIC INVESTMENT CORPORATION

(Exact name of registrant as specified in its charter)

WISCONSIN	39-1486475
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
250 E. KILBOURN AVENUE	53202
MILWAUKEE, WISCONSIN	(Zip Code)
(Address of principal executive offices)

(414) 347-6480

(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

YES  x NO  o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

YES  x NO  o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer  x	Accelerated filer  o	Non-accelerated filer  o	Smaller reporting company  o
(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

YES  o NO  x

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

CLASS OF STOCK	PAR VALUE	DATE	NUMBER OF SHARES
Common stock	$1.00	04/30/13	337,758,169

PART I.  FINANCIAL INFORMATION

Item 1.  Financial Statements

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

March 31, 2013 and December 31, 2012

(Unaudited)

	March 31,			December 31,
	2013			2012
ASSETS	(In thousands)
Investment portfolio (notes 7 and 8):
Securities, available-for-sale, at fair value:
Fixed maturities (amortized cost, 2013 - $4,506,873; 2012 - $4,185,937)	$	4,537,762		$	4,227,339
Equity securities		2,928			2,936
Total investment portfolio		4,540,690			4,230,275
Cash and cash equivalents		1,635,810			1,027,625
Accrued investment income		31,290			27,243
Reinsurance recoverable on loss reserves (note 4)		96,179			104,848
Reinsurance recoverable on paid losses		13,283			15,605
Premium receivable		72,641			67,828
Home office and equipment, net		26,863			27,190
Deferred insurance policy acquisition costs		12,208			11,245
Other assets		79,534			62,465
Total assets	$	6,508,498		$	5,574,324
LIABILITIES AND SHAREHOLDERS' EQUITY
Liabilities:
Loss reserves (note 12)	$	3,848,348		$	4,056,843
Premium deficiency reserve (note 13)		72,131			73,781
Unearned premiums		140,213			138,840
Senior notes (note 3)		99,929			99,910
Convertible senior notes (note 3)		845,000			345,000
Convertible junior debentures (note 3)		389,522			379,609
Other liabilities		335,673			283,401
Total liabilities		5,730,816			5,377,384
Contingencies (note 5)
Shareholders' equity (note 14):
Common stock (one dollar par value, shares authorized 680,000; shares issued 2013 - 340,047; 2012 - 205,047; shares outstanding 2013 - 337,758; 2012 - 202,032)		340,047			205,047
Paid-in capital		1,657,567			1,135,296
Treasury stock (shares at cost 2013 - 2,289; 2012 - 3,015)		(64,435	)		(104,959	)
Accumulated other comprehensive loss, net of tax (note 9)		(57,801	)		(48,163	)
Retained deficit		(1,097,696	)		(990,281	)
Total shareholders' equity		777,682			196,940
Total liabilities and shareholders' equity	$	6,508,498		$	5,574,324

See accompanying notes to consolidated financial statements.

2

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

Three Months Ended March 31, 2013 and 2012

(Unaudited)

	Three Months Ended
	March 31,
	2013			2012
Revenues:	(In thousands, except per share data)
Premiums written:
Direct	$	254,547		$	263,795
Assumed		551			641
Ceded		(6,598	)		(9,450	)
Net premiums written		248,500			254,986
(Increase) decrease in unearned premiums, net		(1,441	)		7,419
Net premiums earned		247,059			262,405
Investment income, net of expenses		18,328			37,408
Realized investment gains, net		1,259			77,561
Total other-than-temporary impairment losses		-			-
Portion of losses recognized in other comprehensive income, before taxes		-			-
Net impairment losses recognized in earnings		-			-
Other revenue		2,539			2,309
Total revenues		269,185			379,683
Losses and expenses:
Losses incurred, net (note 12)		266,208			337,088
Change in premium deficiency reserve (note 13)		(1,650	)		(14,183	)
Amortization of deferred policy acquisition costs		1,697			1,670
Other underwriting and operating expenses, net		48,315			48,673
Interest expense		26,406			24,627
Total losses and expenses		340,976			397,875
Loss before tax		(71,791	)		(18,192	)
Provision for income taxes (note 11)		1,139			1,363
Net loss	$	(72,930	)	$	(19,555	)
Loss per share (note 6):
Basic	$	(0.31	)	$	(0.10	)
Diluted	$	(0.31	)	$	(0.10	)
Weighted average common shares outstanding - diluted (note 6)		232,348			201,528

See accompanying notes to consolidated financial statements.

3

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

Three Months Ended  March 31, 2013 and 2012

(Unaudited)

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Net Loss	$	(72,930	)	$	(19,555	)
Other comprehensive income (loss), net of tax (note 9):
Change in unrealized investment gains and losses		(9,954	)		(45,918	)
Foreign currency translation adjustment		316			1,083
Other comprehensive loss, net of tax		(9,638	)		(44,835	)
Total comprehensive loss	$	(82,568	)	$	(64,390	)

See accompanying notes to consolidated financial statements.

4

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED  STATEMENTS OF SHAREHOLDERS' EQUITY

Year Ended December 31, 2012 and Three Months Ended March 31, 2013

(Unaudited)

									Accumulated
									other			Retained
	Common		Paid-in			Treasury			comprehensive			earnings
	stock		capital			stock			income (loss)			(deficit)
	(In thousands)
Balance, December 31, 2011	$	205,047	$	1,135,821		$	(162,542	)	$	30,124		$	(11,635	)
Net loss													(927,079	)
Change in unrealized investment gains and losses, net		-		-			-			(78,659	)		-
Reissuance of treasury stock, net		-		(8,749	)		57,583			-			(51,567	)
Equity compensation		-		8,224			-			-			-
Defined benefit plan adjustments, net		-		-			-			(1,221	)		-
Unrealized foreign currency translation adjustment		-		-			-			1,593			-
Balance, December 31, 2012	$	205,047	$	1,135,296		$	(104,959	)	$	(48,163	)	$	(990,281	)
Net loss													(72,930	)
Change in unrealized investment gains and losses, net (notes 7 and 8)		-		-			-			(9,954	)		-
Common stock issuance (note 14)		135,000		528,542			-			-			-
Reissuance of treasury stock, net		-		(7,892	)		40,524			-			(34,485	)
Equity compensation		-		1,621			-			-			-
Unrealized foreign currency translation adjustment		-		-			-			316			-
Balance, March 31, 2013	$	340,047	$	1,657,567		$	(64,435	)	$	(57,801	)	$	(1,097,696	)

See accompanying notes to consolidated financial statements.

5

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

Three Months Ended March 31, 2013 and 2012

(Unaudited)

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Cash flows from operating activities:
Net loss	$	(72,930	)	$	(19,555	)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and other amortization		22,858			24,696
Deferred tax (benefit) provision		(8	)		72
Realized investment gains, excluding impairment losses		(1,259	)		(77,561	)
Other		6,335			(2,609	)
Change in certain assets and liabilities:
Accrued investment income		(4,047	)		3,652
Reinsurance recoverable on loss reserves		8,669			12,318
Reinsurance recoverable on paid losses		2,322			2,401
Premiums receivable		(4,813	)		3,339
Deferred insurance policy acquisition costs		(963	)		(1,196	)
Loss reserves		(208,495	)		(348,342	)
Premium deficiency reserve		(1,650	)		(14,183	)
Unearned premiums		1,373			(7,491	)
Income taxes payable (current)		899			844
Net cash used in operating activities		(251,709	)		(423,615	)
Cash flows from investing activities:
Purchase of fixed maturities		(975,555	)		(1,833,039	)
Purchase of equity securities		(18	)		(21	)
Proceeds from sale of fixed maturities		361,119			1,519,761
Proceeds from maturity of fixed maturities		282,701			617,036
Net increase in payable for securities		43,435			26,685
Net cash (used in) provided by investing activities		(288,318	)		330,422
Cash flows from financing activities:
Net proceeds from convertible senior notes		484,670			-
Common stock shares issued		663,542			-
Net cash provided by financing activities		1,148,212			-
Net increase (decrease) in cash and cash equivalents		608,185			(93,193	)
Cash and cash equivalents at beginning of period		1,027,625			995,799
Cash and cash equivalents at end of period	$	1,635,810		$	902,606

See accompanying notes to consolidated financial statements.

6

MGIC INVESTMENT CORPORATION AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

March 31, 2013

(Unaudited)

Note 1 - Basis of Presentation

MGIC Investment Corporation is a holding company which, through Mortgage Guaranty Insurance Corporation ("MGIC"), MGIC Indemnity Corporation (“MIC”) and several other subsidiaries, is principally engaged in the mortgage insurance business.  We provide mortgage insurance to lenders throughout the United States and to government sponsored entities (“GSEs”) to protect against loss from defaults on low down payment residential mortgage loans.

The accompanying unaudited consolidated financial statements of MGIC Investment Corporation and its wholly-owned subsidiaries have been prepared in accordance with the instructions to Form 10-Q as prescribed by the Securities and Exchange Commission (“SEC”) for interim reporting and do not include all of the other information and disclosures required by accounting principles generally accepted in the United States of America (“GAAP”). These statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2012 included in our Annual Report on Form 10-K. As used below, “we,” “our” and “us” refer to MGIC Investment Corporation’s consolidated operations or to MGIC Investment Corporation, as the context requires.

In the opinion of management the accompanying financial statements include all adjustments, consisting primarily of normal recurring accruals, necessary to fairly state our financial position and results of operations for the periods indicated. The results of operations for the interim period may not be indicative of the results that may be expected for the year ending December 31, 2013.

Capital

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “Capital Requirements.” While they vary among jurisdictions, the most common Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if the percentage decrease in capital exceeds the percentage decrease in insured risk. Therefore, as capital decreases, the same dollar decrease in capital will cause a greater percentage decrease in capital and a greater increase in the risk-to-capital ratio. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

During part of 2012 and 2013, MGIC’s risk-to-capital ratio exceeded 25 to 1. In March 2013, our holding company issued additional equity and convertible debt securities and transferred $800 million to increase MGIC’s capital. As a result, at March 31, 2013, MGIC’s risk-to-capital ratio was 20.4 to 1, below the maximum allowed by the jurisdictions with Capital Requirements, and its policyholder position was $168 million above the required MPP of $1.2 billion. At March 31, 2013, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 23.1 to 1. A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance arrangements with its subsidiaries or subsidiaries of our holding company, additional capital contributions to the reinsurance affiliates could be needed. These reinsurance arrangements permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements.

7

At this time, we expect MGIC to continue to comply with the current Capital Requirements, although factors that could negatively affect such compliance are discussed throughout the financial statement footnotes. The remainder of the discussion in this footnote addresses circumstances that would be significant if we were not in such compliance.

The Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”) has waived MGIC’s compliance with Wisconsin’s Capital Requirements until December 31, 2013 (the “OCI Waiver”). The OCI, in its sole discretion, may modify, terminate or extend the OCI Waiver. If the OCI modifies or terminates its waiver, or if it fails to renew its waiver upon expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in all jurisdictions. We cannot assure you that MGIC will comply with the Capital Requirements in the future. If MGIC were prevented from writing new business in all jurisdictions, our insurance operations in MGIC would be in run-off (meaning no new loans would be insured but loans previously insured would continue to be covered, with premiums continuing to be received and losses continuing to be paid on those loans) until MGIC either met the Capital Requirements or obtained a necessary waiver to allow it to once again write new business.

MGIC applied for waivers in the other jurisdictions with Capital Requirements and received waivers from some of them. Insurance departments, in their sole discretion, may modify, terminate or extend their waivers of Capital Requirements. If an insurance department other than the OCI modifies or terminates its waiver, or if it fails to grant a waiver or renew its waiver after expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in that particular jurisdiction. New insurance written in the jurisdictions that have Capital Requirements represented approximately 50% of our new insurance written in 2012 and the first quarter of 2013. Depending on the level of losses that MGIC experiences in the future, it is possible that regulatory action by one or more jurisdictions, including those that do not have specific Capital Requirements, may prevent MGIC from continuing to write new insurance in that jurisdiction. The National Association of Insurance Commissioners (“NAIC”) is reviewing the minimum capital and surplus requirements for mortgage insurers, although it has not established a date by which it must make proposals to change such requirements. Depending on the scope of proposals made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such proposals. The GSEs are also developing mortgage insurer capital standards that would replace the use of external credit ratings. Revised capital standards are expected to be released in 2013, however the timing of their implementation is unknown.

A possible future failure by MGIC to meet the Capital Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, we cannot assure you that events that may lead MGIC to fail to meet Capital Requirements would not also result in it not having sufficient claims paying resources. Furthermore, our estimates of MGIC’s claims paying resources and claim obligations are based on various assumptions. These assumptions include the timing of the receipt of claims on loans in our delinquency inventory and future claims that we anticipate will ultimately be received, our anticipated rescission activity, premiums, housing values and unemployment rates. These assumptions are subject to inherent uncertainty and require judgment by management. Current conditions in the domestic economy make the assumptions about when anticipated claims will be received, housing values, and unemployment rates highly volatile in the sense that there is a wide range of reasonably possible outcomes. Our anticipated rescission activity is also subject to inherent uncertainty due to the difficulty of predicting the amount of claims that will be rescinded and the outcome of any legal proceedings or settlement discussions related to rescissions. Factors that could negatively affect MGIC’s claims paying resources are discussed throughout the financial statement footnotes.

8

We have in place a longstanding plan to write new business in MIC, a direct subsidiary of MGIC, if MGIC is unable to do so. During 2012, MIC began writing new business on the same policy terms as MGIC in the jurisdictions where MGIC did not have active waivers of the Capital Requirements. Because MGIC again meets the Capital Requirements, MGIC will again be writing new business in all jurisdictions and MIC will suspend writing new business. As of March 31, 2013, MIC had statutory capital of $450 million and risk in force of approximately $800 million. MIC is licensed to write business in all jurisdictions and, subject to the conditions and restrictions discussed below, has received the necessary approvals from the GSEs and the OCI to write business in all of the jurisdictions where MGIC may become unable to do so because those jurisdictions have not waived their Capital Requirements for MGIC.

Under an agreement in place with Fannie Mae, as amended November 30, 2012, MIC will be eligible to write mortgage insurance through December 31, 2013, in those jurisdictions (other than Wisconsin) in which MGIC cannot write new insurance due to MGIC’s failure to meet Capital Requirements and to obtain a waiver of them. MIC is also approved to write mortgage insurance for 60 days in jurisdictions that do not have Capital Requirements if a jurisdiction notifies MGIC that, due to its financial condition, it may no longer write new business. The agreement with Fannie Mae contains certain conditions and restrictions to its continued effectiveness including the continued effectiveness of the OCI Order.

Under a letter from Freddie Mac that was amended and restated as of November 30, 2012, Freddie Mac approved MIC to write business only in those jurisdictions (other than Wisconsin) where either (a) MGIC is unable to write business because it does not meet the Capital Requirements and does not obtain waivers of them, or (b) MGIC receives notice that it may not write business because of that jurisdiction’s view of MGIC’s financial condition. This approval of MIC, which may be withdrawn at any time, expires December 31, 2013, or earlier if a financial examination by the OCI determines that there is a reasonable probability that MGIC will be unable to honor claim obligations at any time in the five years after the examination, or if MGIC fails to honor claim payments. The approval from Freddie Mac, contains certain conditions and restrictions to its continued effectiveness, including requirements that MIC not exceed a risk-to-capital ratio of 18:1 (at March 31, 2013, MIC’s risk-to-capital ratio was 1.8 to 1); MGIC and MIC comply with all terms and conditions of the OCI Waiver; the OCI Waiver remain effective; and MIC provide MGIC access to the capital of MIC in an amount necessary for MGIC to maintain sufficient liquidity to satisfy its obligations under insurance policies issued by MGIC.

On November 29, 2012, the OCI issued an order, effective until December 31, 2013, establishing a procedure for MIC to pay a dividend to MGIC if either of the following two events occurs: (1) an OCI examination determines that there is a reasonable probability that MGIC will be unable to honor its policy obligations at any time during the five years after the examination, or (2) MGIC fails to honor its policy obligations that it in good faith believes are valid. If one of these events occurs, the OCI is to conduct a review (to be completed within 60 days after the triggering event) to determine the maximum single dividend MIC could prudently pay to MGIC for the benefit of MGIC’s policyholders, taking account of the interests of MIC’s policyholders and the general public and certain standards for dividends imposed by Wisconsin law. Upon the completion of the review, the OCI will authorize, and MIC will pay, such a dividend within 30 days.

9

We cannot assure you that the GSEs will approve or continue to approve MIC to write new business in all jurisdictions in which MGIC may become unable to do so, or that they will extend their approvals upon expiration. If one GSE does not approve MIC in all jurisdictions in which MGIC becomes unable to write new business, MIC may be able to write insurance on loans that will be sold to the other GSE or retained by private investors. However, because lenders may not know which GSE will purchase their loans until mortgage insurance has been procured, lenders may be unwilling to procure mortgage insurance from MIC. Furthermore, if we are unable to write business in all jurisdictions utilizing a combination of MGIC and MIC, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the financial strength of our insurance operations may affect its willingness to procure insurance from us.

Statement of Statutory Accounting Principles No. 101 (“SSAP No. 101”) became effective January 1, 2012 and prescribed new standards for determining the amount of deferred tax assets that can be recognized as admitted assets for determining statutory capital. Under a permitted practice effective September 30, 2012 and until further notice, the OCI has approved MGIC to report its net deferred tax asset as an admitted asset in an amount not to exceed 10% of surplus as regards policyholders, notwithstanding any contrary provisions of SSAP No. 101. Deferred tax assets of $136 million and $63 million were included in MGIC’s statutory capital at March 31, 2013 and December 31, 2012, respectively.

Reclassifications

Certain reclassifications have been made in the accompanying financial statements to 2012 amounts to conform to 2013 presentation.

Subsequent events

We have considered subsequent events through the date of this filing.

Note 2 - New Accounting Guidance

In June 2011, as amended in December 2011, new guidance was issued requiring entities to present net income and other comprehensive income in either a single continuous statement or in two separate, but consecutive, statements of net income and other comprehensive income. The option to present items of other comprehensive income in the statement of changes in equity was eliminated. Our disclosures reflected the requirements of this new guidance beginning with the first quarter of 2012. Other provisions of this guidance regarding reclassifications out of other comprehensive income were finalized in February 2013. Our disclosures reflect the requirements of this additional guidance beginning with the first quarter of 2013.

10

Note 3 – Debt

Senior Notes

At March 31, 2013 and December 31, 2012 we had outstanding $100.1 million of 5.375% Senior Notes due in November 2015. Covenants in the Senior Notes include the requirement that there be no liens on the stock of the designated subsidiaries unless the Senior Notes are equally and ratably secured; that there be no disposition of the stock of designated subsidiaries unless all of the stock is disposed of for consideration equal to the fair market value of the stock; and that we and the designated subsidiaries preserve our corporate existence, rights and franchises unless we or any such subsidiary determines that such preservation is no longer necessary in the conduct of its business and that the loss thereof is not disadvantageous to the Senior Notes. A designated subsidiary is any of our consolidated subsidiaries which has shareholders’ equity of at least 15% of our consolidated shareholders’ equity. We were in compliance with all covenants at March 31, 2013.

If we fail to meet any of the covenants of the Senior Notes; there is a failure to pay when due at maturity, or a default results in the acceleration of maturity of, any of our other debt in an aggregate amount of $40 million or more; or we fail to make a payment of principal on the Senior Notes when due or a payment of interest on the Senior Notes within thirty days after due and we are not successful in obtaining an agreement from holders of a majority of the Senior Notes to change (or waive) the applicable requirement or payment default, then the holders of 25% or more of our Senior Notes would have the right to accelerate the maturity of those notes.  In addition, the trustee of the Senior Notes could, independent of any action by holders of Senior Notes, accelerate the maturity of the Senior Notes. The amounts we owe under the Senior Notes would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company, including certain events involving the appointment of a custodian, receiver, liquidator, assignee, trustee or other similar official (collectively, an “Insolvency Official”) of our holding company or any substantial part of its property or the consent of our holding company to such an appointment. The description above is not intended to be complete in all respects. Moreover, the description is qualified in its entirety by the terms of the notes, which are contained in the Indenture, dated as of October 15, 2000, between us and U.S. Bank, National Association, as trustee, and in an Officer's Certificate dated as of October 4, 2005, which specifies the interest rate, maturity date and other terms of the Senior Notes.

There were no interest payments on the Senior Notes for the three months ended March 31, 2013 or 2012.

5% Convertible Senior Notes – due May 2017

At March 31, 2013 and December 31, 2012 we had outstanding $345 million principal amount of 5% Convertible Senior Notes due in May 2017. Interest on the 5% Notes is payable semi-annually in arrears on May 1 and November 1 of each year. The 5% Notes will mature on May 1, 2017. Covenants in the 5% Notes include a requirement to notify holders in advance of certain events and that we and the designated subsidiaries (defined above) preserve our corporate existence, rights and franchises unless we or any such subsidiary determines that such preservation is no longer necessary in the conduct of its business and that the loss thereof is not disadvantageous to the 5% Notes.

11

If an “events of default” under the 5% Notes occurs, including if: we fail to meet any of the covenants of the 5% Notes and such failure continues for 60 days after we receive notice from holders of 25% or more of the 5% Notes; there is a failure to pay when due at maturity or otherwise, or a default under any of our other debt results in the acceleration of maturity of, any of our other debt in an aggregate amount of $40 million or more; a final judgment for the payment of $40 million or more (excluding any amounts covered by insurance) is rendered against us or any of our subsidiaries which judgment is not discharged or stayed within certain time limits; or we fail to make a payment of principal on the 5% Notes when due or a payment of interest on the 5% Notes within thirty days after due and we are not successful in obtaining an agreement from holders of a majority of the 5% Notes to change (or waive) the applicable requirement or payment default, then the holders of 25% or more of the 5% Notes would have the right to accelerate the maturity of those notes. In addition, the trustee of the 5% Notes could, independent of any action by holders, accelerate the maturity of the 5% Notes if an “event of default” occurs. The amounts we owe under the 5% Notes would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company or a Significant Subsidiary, including the failure to have dismissed or stayed a petition seeking relief under bankruptcy or insolvency laws or the consent of our holding company or a Significant Subsidiary to the appointment of an Insolvency Official for all or substantially all of their respective property. “Significant Subsidiary” is defined in Regulation S-X under the Securities Act of 1933 and is measured as of the most recently completed fiscal year. As of December 31, 2012, MGIC and MGIC Reinsurance Corporation of Wisconsin were our Significant Subsidiaries.

The 5% Notes are convertible, at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $13.44 per share. These 5% Notes will be equal in right of payment to our other senior debt, discussed above, and will be senior in right of payment to our existing Convertible Junior Debentures, discussed below. Debt issuance costs are being amortized to interest expense over the contractual life of the 5% Notes. The provisions of the 5% Notes are complex. The description above is not intended to be complete in all respects. Moreover, that description is qualified in its entirety by the terms of the notes, which are contained in the Supplemental Indenture, dated as of April 26, 2010, between us and U.S. Bank National Association, as trustee, and the Indenture dated as of October 15, 2000, between us and the trustee.

There were no interest payments on the 5% Notes for the three months ended March 31, 2013 or 2012.

2% Convertible Senior Notes – due April 2020

In March 2013 we completed the sale of $500 million principal amount of 2% Convertible Senior Notes due in 2020. We received net proceeds of approximately $484.7 million after deducting underwriting discount and estimated offering expenses. See Note 14 - “Shareholders’ Equity” for information regarding the use of such proceeds. Interest on the 2% Notes will be payable semi-annually in arrears on April 1 and October 1 of each year, beginning on October 1, 2013. The 2% Notes will mature on April 1, 2020. Subject to certain limitations the 2% Notes are convertible at the holder's option at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount. This represents an initial conversion price of approximately $6.95 per share. Before January 1, 2020, conversions may only occur under certain circumstances, including upon redemption of the 2% Notes. On or after January 1, 2020, holders may convert their notes at any time. These 2% Notes will be equal in right of payment to our other senior debt and will be senior in right of payment to our existing Convertible Junior Debentures. Debt issuance costs will be amortized to interest expense over the contractual life of the 2% Notes. Prior to April 10, 2017, the notes will not be redeemable. On any business day on or after April 10, 2017 we may redeem for cash all or part of the notes, at our option, at a redemption price equal to 100% of the principal amount of the notes being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the notes for at least 20 of the 30 trading days preceding notice of the redemption.

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Covenants in the 2% Notes include a requirement to notify holders in advance of certain events and that we and the designated subsidiaries (defined above) preserve our corporate existence, rights and franchises unless we or any such subsidiary determines that such preservation is no longer necessary in the conduct of its business and that the loss thereof is not disadvantageous to the 2% Notes.

If an “events of default” under the 2% Notes occurs, including if: we fail to meet any of the covenants of the 2% Notes and such failure continues for 60 days after we receive notice from holders of 25% or more of the 2% Notes; there is a failure to pay when due at maturity or otherwise, or a default under any of our other debt results in the acceleration of maturity of, any of our other debt in an aggregate amount of $40 million or more; a final judgment for the payment of $40 million or more (excluding any amounts covered by insurance) is rendered against us or any of our subsidiaries which judgment is not discharged or stayed within certain time limits; or we fail to make a payment of principal on the 2% Notes when due or a payment of interest on the 2% Notes within thirty days after due and we are not successful in obtaining an agreement from holders of a majority of the 2% Notes to change (or waive) the applicable requirement or payment default, then the holders of 25% or more of the 2% Notes would have the right to accelerate the maturity of those notes. In addition, the trustee of the 2% Notes could, independent of any action by holders, accelerate the maturity of the 2% Notes if an “event of default” occurs. The amounts we owe under the 2% Notes would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company or a Significant Subsidiary, including the failure to have dismissed or stayed a petition seeking relief under bankruptcy or insolvency laws or the consent of our holding company or a Significant Subsidiary to the appointment of an Insolvency Official for all or substantially all of their respective property.

The provisions of the 2% Notes are complex. The description above is not intended to be complete in all respects. Moreover, that description is qualified in its entirety by the terms of the notes, which are contained in the Second Supplemental Indenture, dated March 12, 2013, between us and U.S. Bank National Association, as trustee, and the Indenture dated as of October 15, 2000, between us and the trustee.

Convertible Junior Subordinated Debentures

At March 31, 2013 and December 31, 2012 we had outstanding $389.5 million principal amount of 9% Convertible Junior Subordinated Debentures due in 2063 (the “debentures”). The debentures have an effective interest rate of 19% that reflects our non-convertible debt borrowing rate at the time of issuance. At December 31, 2012 the amortized value of the principal amount of the debentures is reflected as a liability on our consolidated balance sheet of $379.6 million, with the unamortized discount reflected in equity. As of March 31, 2013 the full principal amount of the debentures is reflected as a liability on our consolidated balance sheet. The debentures rank junior to all of our existing and future senior indebtedness.

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Violations of the covenants under the Indenture governing the debentures, including covenants to provide certain documents to the trustee, are not events of default under the Indenture and would not allow the acceleration of amounts that we owe under the debentures. Similarly, events of default under, or acceleration of, any of our other obligations, including those described above, would not allow the acceleration of amounts that we owe under the debentures. However, if we fail to pay principal or interest when due under the debentures, then the holders of 25% or more of the debentures would have the right to accelerate the maturity of them. In addition, the trustee of the debentures could, independent of any action by holders, accelerate the maturity of the debentures. The amounts we owe under the Convertible Junior Subordinated Debentures would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company, including the appointment of a custodian of it or any substantial part of its properties.

Interest on the debentures is payable semi-annually in arrears on April 1 and October 1 of each year. As long as no event of default with respect to the debentures has occurred and is continuing, we may defer interest, under an optional deferral provision, for one or more consecutive interest periods up to ten years without giving rise to an event of default. Deferred interest will accrue additional interest at the rate then applicable to the debentures. During an optional deferral period we may not pay or declare dividends on our common stock.

Interest on the debentures that would have been payable on the scheduled interest payment date of October 1, 2012 had been deferred. During the deferral period the deferred interest continued to accrue and compound semi-annually at an annual rate of 9%.

On April 1, 2013 we paid the deferred interest payment, including the compound interest. The interest payment, totaling approximately $18.3 million, was made from the net proceeds of our March 2013 common stock offering. We also paid the regular April 1, 2013 interest payment due on the debentures of approximately $17.5 million. We continue to have the right to defer interest that is payable on subsequent scheduled interest payment dates. Any deferral of such interest would be on terms equivalent to those described above.

When interest on the debentures is deferred, we are required, not later than a specified time, to use reasonable commercial efforts to begin selling qualifying securities to persons who are not our affiliates. The specified time is one business day after we pay interest on the debentures that was not deferred, or if earlier, the fifth anniversary of the scheduled interest payment date on which the deferral started. Qualifying securities are common stock, certain warrants and certain non-cumulative perpetual preferred stock. The requirement to use such efforts to sell such securities is called the Alternative Payment Mechanism.

The net proceeds of Alternative Payment Mechanism sales are to be applied to the payment of deferred interest, including the compound portion. We cannot pay deferred interest other than from the net proceeds of Alternative Payment Mechanism sales, except at the final maturity of the debentures or at the tenth anniversary of the start of the interest deferral. The Alternative Payment Mechanism does not require us to sell common stock or warrants before the fifth anniversary of the interest payment date on which that deferral started if the net proceeds (counting any net proceeds of those securities previously sold under the Alternative Payment Mechanism) would exceed the 2% cap. The 2% cap is 2% of the average closing price of our common stock times the number of our outstanding shares of common stock. The average price is determined over a specified period ending before the issuance of the common stock or warrants being sold, and the number of outstanding shares is determined as of the date of our most recent publicly released financial statements.

We are not required to issue under the Alternative Payment Mechanism a total of more than 10 million shares of common stock, including shares underlying qualifying warrants. In addition, we may not issue under the Alternative Payment Mechanism qualifying preferred stock if the total net proceeds of all issuances would exceed 25% of the aggregate principal amount of the debentures.

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The Alternative Payment Mechanism does not apply during any period between scheduled interest payment dates if there is a “market disruption event” that occurs over a specified portion of such period. Market disruption events include any material adverse change in domestic or international economic or financial conditions.

The provisions of the debentures are complex. The description above is not intended to be complete in all respects. Moreover, that description is qualified in its entirety by the terms of the debentures, which are contained in the Indenture, dated as of March 28, 2008, between us and U.S. Bank National Association, as trustee.

We may redeem the debentures in whole or in part from time to time, at our option, at a redemption price equal to 100% of the principal amount of the debentures being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the debentures for at least 20 of the 30 trading days preceding notice of the redemption.

The debentures are currently convertible, at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.0741 common shares per $1,000 principal amount of debentures at any time prior to the maturity date. This represents an initial conversion price of approximately $13.50 per share. If a holder elects to convert their debentures, deferred interest owed on the debentures being converted is also converted into shares of our common stock. The conversion rate for any deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert. In lieu of issuing shares of common stock upon conversion of the debentures, we may, at our option, make a cash payment to converting holders for all or some of the shares of our common stock otherwise issuable upon conversion.

There were no interest payments on the debentures for the three months ended March 31, 2013 or 2012.

All debt

The par value and fair value of our debt at March 31, 2013 and December 31, 2012 appears in the table below.

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	Par Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
Liabilities:
Senior Notes	$	100,118	$	98,266	$	98,266	$	-	$	-
Convertible Senior Notes due 2017		345,000		341,550		341,550		-		-
Convertible Senior Notes due 2020		500,000		511,565		511,565		-		-
Convertible Junior Subordinated Debentures		389,522		390,009		-		390,009		-
Total Debt	$	1,334,640	$	1,341,390	$	951,381	$	390,009	$	-
December 31, 2012
Liabilities:
Senior Notes	$	100,118	$	79,594	$	79,594	$	-	$	-
Convertible Senior Notes due 2017		345,000		242,880		242,880		-		-
Convertible Junior Subordinated Debentures		389,522		173,096		-		173,096		-
Total Debt	$	834,640	$	495,570	$	322,474	$	173,096	$	-

The fair value of our Senior Notes and Convertible Senior Notes was determined using publicly available trade information and are considered Level 1 securities as described in Note 8 – “Fair Value Measurements.” The fair value of our debentures was determined using available pricing for these debentures or similar instruments and are considered Level 2 securities as described in Note 8 – “Fair Value Measurements.”

The Senior Notes, Convertible Senior Notes and Convertible Junior Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. At March 31, 2013, we had approximately $671 million in cash and investments at our holding company. The net unrealized gains on our holding company investment portfolio were approximately $1.3 million at March 31, 2013. The modified duration of the holding company investment portfolio, excluding cash and cash equivalents, was 2.0 years at March 31, 2013.

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Note 4 – Reinsurance

MGIC has obtained both captive and non-captive reinsurance in the past. In a captive reinsurance arrangement, the reinsurer is affiliated with the lender for whom MGIC provides mortgage insurance.

Since June 2005, various state and federal regulators have conducted investigations or requested information regarding captive mortgage reinsurance arrangement in which we participated. In January 2012, we received correspondence from the Consumer  Financial Protection Bureau (“CFPB”) indicating that it was investigating captive reinsurance arrangements in the mortgage insurance industry. The correspondence requested, among other things, certain information regarding captive mortgage reinsurance transactions in which we participated. In June 2012, we received a Civil Investigative Demand (“CID”) from the CFPB requiring additional information and documentation regarding captive mortgage reinsurance.

In April 2013, the U.S. District Court approved a settlement between MGIC and the CFPB that resolves a previously-disclosed, nearly five-year-old federal investigation of MGIC’s participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concludes the investigation with respect to MGIC without the CFPB making any findings of wrongdoing. Three other mortgage insurers agreed to similar settlements. As part of the settlements, MGIC and the three other mortgage insurers agreed that they would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. In accordance with this settlement, all of our active captive arrangements have been placed into run-off.

Captive agreements were written on an annual book of business and the captives are required to maintain a separate trust account to support the combined reinsured risk on all annual books. MGIC is the sole beneficiary of the trust, and the trust account is made up of capital deposits by the lender captive, premium deposits by MGIC, and investment income earned.  These amounts are held in the trust account and are available to pay reinsured losses. The reinsurance recoverable on loss reserves related to captive agreements was approximately $96 million at March 31, 2013 which was supported by $289 million of trust assets, while at December 31, 2012 the reinsurance recoverable on loss reserves related to captives was $104 million which was supported by $303 million of trust assets. As of March 31, 2013 and December 31, 2012 there was an additional $25 million of trust assets in captive agreements where there was no related reinsurance recoverable on loss reserves. Trust fund assets of $3 million and $0.4 million were transferred to us as a result of captive terminations during the first three months of 2013 and 2012, respectively.

The CFPB's investigation involved captive reinsurance. In April 2013, we entered into a quota share reinsurance agreement with a group of unaffiliated reinsurers. These reinsurers are not captive reinsurers. The reinsurance agreement applies to new insurance written between April 1, 2013 and December 31, 2015 (with limited exclusions) and covers incurred losses, with renewal premium through December 31, 2018. Early termination is possible under specified scenarios. The structure of the reinsurance agreement is a 30% quota share, with a 20% ceding commission as well as a profit commission.

Note 5 – Litigation and Contingencies

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC’s settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs’ claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, have been named as defendants in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. Four of those cases have previously been dismissed. The complaints in all eight of the remaining cases allege various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the defendants violated RESPA by paying excessive premiums to the lenders’ captive reinsurer in relation to the risk assumed by that captive. MGIC denies any wrongdoing and intends to vigorously defend itself against the allegations in the lawsuits. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation, including the lawsuits mentioned above, would not have a material adverse effect on us.

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See Note 4 - “Reinsurance” for a discussion of MGIC’s recent settlement with the CFPB.  In connection with the settlement, MGIC paid a civil penalty of $2.65 million.

We remain subject to various state investigations or information requests regarding captive mortgage reinsurance arrangements, including (1) a request received by MGIC in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation; and (2) requests received from the Minnesota Department of Commerce beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC has provided information on several occasions, including as recently as May 2011. Other insurance departments or other officials, including attorneys general, may also seek information about or investigate captive mortgage reinsurance.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions seeking various forms of relief, including civil penalties and injunctions against violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

We are subject to comprehensive, detailed regulation by state insurance departments. These regulations are principally designed for the protection of our insured policyholders, rather than for the benefit of investors. Although their scope varies, state insurance laws generally grant broad supervisory powers to agencies or officials to examine insurance companies and enforce rules or exercise discretion affecting almost every significant aspect of the insurance business. Given the recent significant losses incurred by many insurers in the mortgage and financial guaranty industries, our insurance subsidiaries have been subject to heightened scrutiny by insurance regulators. State insurance regulatory authorities could take actions, including changes in capital requirements or termination of waivers of capital requirements, that could have a material adverse effect on us. In January 2013, the CFPB issued rules to implement laws requiring mortgage lenders to make ability-to-pay determinations prior to extending credit. We are uncertain whether the CFPB will issue any other rules or regulations that affect our business apart from any action it may take as a result of its investigation of captive mortgage reinsurance. Such rules and regulations could have a material adverse effect on us.

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We understand several law firms have, among other things, issued press releases to the effect that they are investigating us, including whether the fiduciaries of our 401(k) plan breached their fiduciary duties regarding the plan’s investment in or holding of our common stock or whether we breached other legal or fiduciary obligations to our shareholders. We intend to defend vigorously any proceedings that may result from these investigations. With limited exceptions, our bylaws provide that our officers and 401(k) plan fiduciaries are entitled to indemnification from us for claims against them.

Since December 2009, we have been involved in legal proceedings with Countrywide Home Loans (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA”) and collectively with CHL, “Countrywide”) in which Countrywide alleged that MGIC denied valid mortgage insurance claims. (In our SEC reports, we refer to rescissions of insurance and denials of claims collectively as “rescissions” and variations of that term.) In addition to the claim amounts it alleged MGIC had improperly denied, Countrywide contended it was entitled to other damages of almost $700 million as well as exemplary damages. We sought a determination in those proceedings that we were entitled to rescind coverage on the applicable loans. From January 1, 2008 through March 31, 2013, rescissions of coverage on Countrywide-related loans mitigated our paid losses on the order of $445 million. This amount is the amount we estimate we would have paid had the coverage not been rescinded. In addition, in connection with mediation we were holding with Countrywide, we voluntarily suspended rescissions related to loans that we believed could be covered by a settlement. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable, was affected by our decision to suspend such rescissions.

In April 2013, MGIC entered into separate settlement agreements with CHL and BANA, pursuant to which the parties will settle the Countrywide litigation as it relates to MGIC’s rescission practices.

The agreement with BANA covers loans which had been sold to the GSEs by CHL, including loans subsequently repurchased by BANA, as well as other CHL-originated loans currently owned by BANA or one of its affiliates.  Implementation of the BANA Agreement is subject to consent and approval by both GSEs. The agreement with CHL covers loans which were purchased by non-GSE investors, including securitization trusts (the “other investors”). The CHL Agreement will not be implemented until the implementation of the BANA Agreement and then will be implemented only as and to the extent that it is approved by or on behalf of the other investors. While there can be no assurance that the Agreements will be implemented, we have determined that their implementation is probable.

Under the Agreements, the parties are seeking to stay their pending arbitration proceedings. Upon implementation of the BANA Agreement, the pending arbitration proceedings concerning the loans covered by the BANA Agreement will be dismissed, and the parties will provide mutual releases. Upon obtaining a specified number of consents by or on behalf of the other investors and also upon the conclusion of the period in the CHL Agreement for obtaining consents by or on behalf of the other investors, all legal proceedings will be dismissed and the parties will provide mutual releases, in each case limited as to the loans held by the other investors that consent to the CHL Agreement.

We are also discussing a settlement of a dispute with another customer and have also determined that it is probable we will reach a settlement with this customer. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for that customer.

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We recorded the estimated impact of the two probable settlements referred to above in our financial statements for the quarter ending December 31, 2012. The aggregate impact to loss reserves for the probable settlement agreements was an increase of approximately $100 million. This impact was somewhat offset by impacts to our return premium accrual and premium deficiency reserve. There was no additional charge in the first quarter of 2013 as a result of executing these agreements, as the financial impact was in line with our original estimations. If we are not able to implement the Agreements, we intend to defend MGIC against any related legal proceedings, vigorously.

The flow policies at issue with Countrywide are in the same form as the flow policies that we use with all of our customers, and the bulk policies at issue vary from one another, but are generally similar to those used in the majority of our Wall Street bulk transactions. The settlement with Countrywide may encourage other customers to pursue remedies against us. From January 1, 2008 through March 31, 2013, we estimate that total rescissions mitigated our incurred losses by approximately $2.9 billion, which included approximately $2.9 billion of mitigation on paid losses, excluding $0.6 billion that would have been applied to a deductible. At March 31, 2013, we estimate that our total loss reserves were benefited from anticipated rescissions by approximately $0.2 billion.

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us “curtailments.” In 2012 and the first quarter of 2013, curtailments reduced our average claim paid by approximately 4.1% and 4.7%, respectively. In addition, the claims submitted to us sometimes include costs and expenses not covered by our insurance policies, such as mortgage insurance premiums, hazard insurance premiums for periods after the claim date and losses resulting from property damage that has not been repaired. These other adjustments reduced claim amounts by less than the amount of curtailments.

After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid. Historically, we have not had material disputes regarding our curtailments or other adjustments.

The Agreements referred to above do not resolve assertions by Countrywide that MGIC has improperly curtailed numerous insurance coverage claims. Countrywide has asserted that the amount of disputed curtailments approximates $40 million. MGIC and Countrywide have agreed to mediate this matter and to enter into arbitration if the mediation does not resolve the matter. We do not believe a loss is probable regarding this curtailment dispute and have not accrued any reserves that would reflect an adverse outcome to this dispute. We intend to defend vigorously our position regarding the correctness of these curtailments under our insurance policy. Although we have not had other material objections to our curtailment and adjustment practices, there can be no assurances that we will not face additional challenges to such practices.

A non-insurance subsidiary of our holding company is a shareholder of the corporation that operates the Mortgage Electronic Registration System (“MERS”).  Our subsidiary, as a shareholder of MERS, has been named as a defendant (along with MERS and its other shareholders) in eight lawsuits asserting various causes of action arising from allegedly improper recording and foreclosure activities by MERS. Two of those lawsuits remain pending and the other six lawsuits have been dismissed without any further opportunity to appeal.  The damages sought in the remaining cases are substantial. We deny any wrongdoing and intend to defend ourselves against the allegations in the lawsuits, vigorously.

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In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Through a non-insurance subsidiary, we utilize our underwriting skills to provide an outsourced underwriting service to our customers known as contract underwriting. As part of the contract underwriting activities, that subsidiary is responsible for the quality of the underwriting decisions in accordance with the terms of the contract underwriting agreements with customers. That subsidiary may be required to provide certain remedies to its customers if certain standards relating to the quality of our underwriting work are not met, and we have an established reserve for such future obligations. These obligations have been primarily funded by contributions from our holding company and, in part, from the operations of the subsidiary. A generally positive economic environment for residential real estate that continued until approximately 2007 may have mitigated the effect of some of these costs in previous years. Historically, a material portion of our new insurance written through the flow channel has involved loans for which that subsidiary provided contract underwriting services, including new insurance written between 2006 and 2008. Claims for remedies may be made a number of years after the underwriting work was performed. We believe the rescission of mortgage insurance coverage on loans for which the subsidiary provided contract underwriting services may make a claim for a contract underwriting remedy more likely to occur. Beginning in the second half of 2009, our subsidiary experienced an increase in claims for contract underwriting remedies, which continued throughout 2012. The related contract underwriting remedy expense was approximately $27 million, $23 million and $19 million for the years ended December 31, 2012, 2011 and 2010. The underwriting remedy expense for each of the first three months of 2013 and 2012 was not significant.

See Note 11 – “Income Taxes” for a description of federal income tax contingencies.

Note 6 – Earnings (Loss) per Share

Our basic EPS is based on the weighted average number of common shares outstanding, which excludes participating securities of 1.2 million and 1.1 million for the three months ended March 31, 2013 and 2012, respectively, because they were anti-dilutive due to our reported net loss. Typically, diluted EPS is based on the weighted average number of common shares outstanding plus common stock equivalents which include certain stock awards, stock options and the dilutive effect of our convertible debt. In accordance with accounting guidance, if we report a net loss from continuing operations then our diluted EPS is computed in the same manner as the basic EPS. In addition if any common stock equivalents are anti-dilutive they are excluded from the calculation. The following includes a reconciliation of the weighted average number of shares; however for the three months ended March 31, 2013 and 2012 common stock equivalents of 77.3 million and 56.0 million, respectively, were not included because they were anti-dilutive.

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	Three Months Ended
		March 31,
		2013			2012
	(In thousands, except per share data)
Basic earnings per share:
Weighted average common shares outstanding			232,348			201,528
Net loss		$	(72,930	)	$	(19,555	)
Basic loss per share		$	(0.31	)	$	(0.10	)
Diluted earnings per share:
Weighted-average shares - Basic			232,348			201,528
Common stock equivalents			-			-
Weighted-average shares - Diluted			232,348			201,528
Net loss		$	(72,930	)	$	(19,555	)
Diluted loss per share		$	(0.31	)	$	(0.10	)

Note 7 – Investments

The amortized cost, gross unrealized gains and losses and fair value of the investment portfolio at March 31, 2013 and December 31, 2012 are shown below.

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			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2013	Cost		Gains		Losses (1)			Value
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	882,336	$	2,967	$	(568	)	$	884,735
Obligations of U.S. states and political subdivisions		783,756		16,069		(383	)		799,442
Corporate debt securities		1,693,146		13,683		(3,649	)		1,703,180
Asset-backed securities		329,493		1,315		(69	)		330,739
Residential mortgage-backed securities		432,977		923		(5,940	)		427,960
Commercial mortgage-backed securities		232,936		407		(1,680	)		231,663
Collateralized loan obligations		19,897		4		-			19,901
Debt securities issued by foreign sovereign governments		132,332		8,231		(421	)		140,142
Total debt securities		4,506,873		43,599		(12,710	)		4,537,762
Equity securities		2,815		115		(2	)		2,928
Total investment portfolio	$	4,509,688	$	43,714	$	(12,712	)	$	4,540,690

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
December 31, 2012	Cost		Gains		Losses (1)			Value
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	863,282	$	3,040	$	(71	)	$	866,251
Obligations of U.S. states and political subdivisions		795,935		16,965		(506	)		812,394
Corporate debt securities		1,469,844		13,813		(2,716	)		1,480,941
Asset-backed securities		322,802		1,657		(23	)		324,436
Residential mortgage-backed securities		451,352		871		(1,314	)		450,909
Commercial mortgage-backed securities		150,232		524		(414	)		150,342
Debt securities issued by foreign sovereign governments		132,490		9,784		(208	)		142,066
Total debt securities		4,185,937		46,654		(5,252	)		4,227,339
Equity securities		2,797		139		-			2,936
Total investment portfolio	$	4,188,734	$	46,793	$	(5,252	)	$	4,230,275

(1) At March 31, 2013 and December 31, 2012, there were no other-than-temporary impairment losses recorded in other comprehensive income.

Our foreign investments primarily consist of the investment portfolio supporting our Australian domiciled subsidiary. This portfolio is comprised of Australian government and semi government securities, representing 87% of the market value of our foreign investments with the remaining 11% invested in corporate securities and 2% in cash equivalents. Ninety-two percent of the Australian portfolio is rated AAA, by one or more of Moody’s, Standard & Poor’s and Fitch Ratings, and the remaining 8% is rated AA.

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The amortized cost and fair values of debt securities at March 31, 2013, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.  Because most asset-backed and mortgage-backed securities and collateralized loan obligations provide for periodic payments throughout their lives, they are listed below in separate categories.

	Amortized		Fair
March 31, 2013	Cost		Value
	(In thousands)
Due in one year or less	$	959,410	$	961,273
Due after one year through five years		1,558,703		1,581,603
Due after five years through ten years		600,924		608,277
Due after ten years		372,533		376,346
	$	3,491,570	$	3,527,499
Asset-backed securities		329,493		330,739
Residential mortgage-backed securities		432,977		427,960
Commercial mortgage-backed securities		232,936		231,663
Collateralized loan obligations		19,897		19,901
Total at March 31, 2013	$	4,506,873	$	4,537,762

At March 31, 2013 and December 31, 2012, the investment portfolio had gross unrealized losses of $12.7 million and $5.3 million, respectively.  For those securities in an unrealized loss position, the length of time the securities were in such a position, as measured by their month-end fair values, is as follows:

24

	Less Than 12 Months				12 Months or Greater				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
March 31, 2013	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	107,846	$	568	$	-	$	-	$	107,846	$	568
Obligations of U.S. states and political subdivisions		102,228		383		56		-		102,284		383
Corporate debt securities		547,075		3,646		3,321		3		550,396		3,649
Asset-backed securities		81,463		69		-		-		81,463		69
Residential mortgage-backed securities		307,541		5,586		18,132		354		325,673		5,940
Commercial mortgage-backed securities		139,102		1,680		-		-		139,102		1,680
Debt securities issued by foreign sovereign governments		22,711		421		-		-		22,711		421
Equity securities		135		2		-		-		135		2
Total investment portfolio	$	1,308,101	$	12,355	$	21,509	$	357	$	1,329,610	$	12,712
	Less Than 12 Months				12 Months or Greater				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
December 31, 2012	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	24,094	$	71	$	-	$	-	$	24,094	$	71
Obligations of U.S. states and political subdivisions		156,111		505		1,006		1		157,117		506
Corporate debt securities		280,765		2,714		3,353		2		284,118		2,716
Asset-backed securities		29,675		23		-		-		29,675		23
Residential mortgage-backed securities		315,000		982		19,939		332		334,939		1,314
Commercial mortgage-backed securities		72,689		414		-		-		72,689		414
Debt securities issued by foreign sovereign governments		14,695		208		-		-		14,695		208
Total investment portfolio	$	893,029	$	4,917	$	24,298	$	335	$	917,327	$	5,252

The unrealized losses in all categories of our investments at March 31, 2013 and December 31, 2012 were primarily caused by the difference in interest rates at March 31, 2013 and December 31, 2012, respectively, compared to interest rates at the time of purchase.

Under the current guidance a debt security impairment is deemed other than temporary if we either intend to sell the security, or it is more likely than not that we will be required to sell the security before recovery or we do not expect to collect cash flows sufficient to recover the amortized cost basis of the security. During each of the first three months of 2013 and 2012 there were no other-than-temporary impairments (“OTTI”) recognized.

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The net realized investment gains (losses) and OTTI on the investment portfolio are as follows:

		Three Months Ended
		March 31,
		2013		2012
	(In thousands)
Net realized investment gains (losses) and OTTI on investments:
Fixed maturities		$	1,257	$	75,339
Equity securities			2		382
Other			-		1,840
		$	1,259	$	77,561

		Three Months Ended
		March 31,
		2013		2012
	(In thousands)
Net realized investment gains (losses) and OTTI on investments:
Gains on sales		$	1,934	$	80,035
Losses on sales			(675		(2,474	)
Impairment losses			-		-
		$	1,259	$	77,561

Note 8 – Fair Value Measurements

In accordance with fair value guidance, we applied the following fair value hierarchy in order to measure fair value for assets and liabilities:

Level 1 – Quoted prices for identical instruments in active markets that we can access. Financial assets utilizing Level 1 inputs primarily include certain U.S. Treasury securities and obligations of U.S. government corporations and agencies and Australian government and semi government securities.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and inputs, other than quoted prices, that are observable in the marketplace for the financial instrument. The observable inputs are used in valuation models to calculate the fair value of the financial instruments. Financial assets utilizing Level 2 inputs primarily include certain municipal and corporate bonds.

Level 3 – Valuations derived from valuation techniques in which one or more significant inputs or value drivers are unobservable. Level 3 inputs reflect our own assumptions about the assumptions a market participant would use in pricing an asset or liability. Financial assets utilizing Level 3 inputs include certain state and auction rate (backed by student loans) securities. Non-financial assets which utilize Level 3 inputs include real estate acquired through claim settlement.

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To determine the fair value of securities available-for-sale in Level 1 and Level 2 of the fair value hierarchy, independent pricing sources have been utilized. One price is provided per security based on observable market data. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing sources and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. A variety of inputs are utilized by the independent pricing sources including benchmark yields, reported trades, non-binding broker/dealer quotes, issuer spreads, two sided markets, benchmark securities, bids, offers and reference data including data published in market research publications. Inputs may be weighted differently for any security, and not all inputs are used for each security evaluation. Market indicators, industry and economic events are also considered. This information is evaluated using a multidimensional pricing model.  Quality controls are performed by the independent pricing sources throughout this process, which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. This model combines all inputs to arrive at a value assigned to each security.  In addition, on a quarterly basis, we perform quality controls over values received from the pricing sources which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. We have not made any adjustments to the prices obtained from the independent pricing sources.

Assets classified as Level 3 are as follows:

· Securities available-for-sale classified in Level 3 are not readily marketable and are valued using internally developed models based on the present value of expected cash flows. Our Level 3 securities, at December 31, 2012, primarily consisted of auction rate securities for which observable inputs or value drivers were unavailable. Due to limited market information, we utilized a discounted cash flow (“DCF”) model to derive an estimate of fair value of these assets at December 31, 2012.  The DCF model for estimating the fair value of the auction rate securities as of December 31, 2012 was based on the following key assumptions:

o Nominal credit risk as substantially all of the underlying collateral of these securities is ultimately guaranteed by the United States Department of Education;

o Time to liquidity  through December 31, 2013;

o Continued receipt of contractual interest; and

o Discount rates ranging from 16.87% to 18.35%, which include a spread for liquidity risk.

During the first three months of 2013 we sold our remaining auction rate securities.  At March 31, 2013, the majority of the $3 million balance of Level 3 securities is state premium tax credit investments.  The state premium tax credit investments have an average maturity of under 5 years, credit ratings of AA+ or higher, and their balance reflects their remaining scheduled payments discounted at an average annual rate of 7.5%.

· Real estate acquired through claim settlement is fair valued at the lower of our acquisition cost or a percentage of appraised value. The percentage applied to appraised value is based upon our historical sales experience adjusted for current trends.

Fair value measurements for assets measured at fair value included the following as of March 31, 2013 and December 31, 2012:

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	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	884,735	$	884,735	$	-	$	-
Obligations of U.S. states and political subdivisions		799,442		-		796,485		2,957
Corporate debt securities		1,703,180		-		1,703,180		-
Asset-backed securities		330,739		-		330,739		-
Residential mortgage-backed securities		427,960		-		427,960		-
Commercial mortgage-backed securities		231,663		-		231,663		-
Collateralized loan obligations		19,901		-		19,901		-
Debt securities issued by foreign sovereign governments		140,142		140,142		-		-
Total debt securities		4,537,762		1,024,877		3,509,928		2,957
Equity securities		2,928		2,607		-		321
Total investments	$	4,540,690	$	1,027,484	$	3,509,928	$	3,278
Real estate acquired (1)	$	7,524	$	-	$	-	$	7,524
December 31, 2012
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	866,251	$	866,251	$	-	$	-
Obligations of U.S. states and political subdivisions		812,394		-		809,264		3,130
Corporate debt securities		1,480,941		-		1,463,827		17,114
Asset-backed securities		324,436		-		324,436		-
Residential mortgage-backed securities		450,909		-		450,909		-
Commercial mortgage-backed securities		150,342		-		150,342		-
Debt securities issued by foreign sovereign governments		142,066		142,066		-		-
Total debt securities		4,227,339		1,008,317		3,198,778		20,244
Equity securities		2,936		2,615		-		321
Total investments	$	4,230,275	$	1,010,932	$	3,198,778	$	20,565
Real estate acquired (1)	$	3,463	$	-	$	-	$	3,463

(1) Real estate acquired through claim settlement, which is held for sale, is reported in Other Assets on the consolidated balance sheet.

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There were no transfers of securities between Level 1 and Level 2 during the first three months of 2013 or 2012.

For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three months ended March 31, 2013 and 2012 is as follows:

	Obligations of U.S. States and Political Subdivisions			Corporate Debt Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2012	$	3,130		$	17,114		$	321	$	20,565		$	3,463
Total realized/unrealized gains (losses):
Included in earnings and reported as realized investment gains (losses), net		-			(225	)		-		(225	)		-
Included in earnings and reported as losses incurred, net		-			-			-		-			(1,302	)
Purchases		30			-			-		30			8,014
Sales		(203	)		(16,889	)		-		(17,092	)		(2,651	)
Transfers into Level 3		-			-			-		-			-
Transfers out of Level 3		-			-			-		-			-
Balance at March 31, 2013	$	2,957		$	-		$	321	$	3,278		$	7,524
Amount of total losses included in earnings for the three months ended March 31, 2013 attributable to the change in unrealized losses on assets still held at March 31, 2013	$	-		$	-		$	-	$	-		$	-

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	Obligations of U.S. States and Political Subdivisions			Corporate Debt Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2011	$	114,226		$	60,228		$	321	$	174,775		$	1,621
Total realized/unrealized gains (losses):
Included in earnings and reported as realized investment gains (losses), net		(1,950	)		(381	)		-		(2,331	)		-
Included in earnings and reported as losses incurred, net		-			-			-		-			(316	)
Included in other comprehensive income		1,869			277			-		2,146			-
Purchases		27			-			-		27			2,082
Sales		(18,656	)		(9,006	)		-		(27,662	)		(1,047	)
Transfers into Level 3		-			-			-		-			-
Transfers out of Level 3		-			-			-		-			-
Balance at March 31, 2012	$	95,516		$	51,118		$	321	$	146,955		$	2,340
Amount of total losses included in earnings for the three months ended March 31, 2012 attributable to the change in unrealized losses on assets still held at March 31, 2012	$	-		$	-		$	-	$	-		$	-

Additional fair value disclosures related to our investment portfolio are included in Note 7 – “Investments.” Fair value disclosures related to our debt are included in Note 3 – “Debt.”

Note 9 – Other Comprehensive Income

Our other comprehensive income for the three months ended March 31, 2013 and 2012 was as follows:

	Three Months Ended
		March 31, 2013
								Valuation
		Before tax			Tax effect			allowance			Net of tax
	(In thousands)
Other comprehensive income (loss):
Change in unrealized gains and losses on investments		$	(10,539	)	$	3,592		$	(3,007	)	$	(9,954	)
Unrealized foreign currency translation adjustment			486			(170	)		-			316
Other comprehensive income (loss)		$	(10,053	)	$	3,422		$	(3,007	)	$	(9,638	)

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	Three Months Ended
		March 31, 2012
								Valuation
		Before tax			Tax effect			allowance			Net of tax
	(In thousands)
Other comprehensive income (loss):
Change in unrealized gains and losses on investments		$	(46,926	)	$	16,256		$	(15,248	)	$	(45,918	)
Unrealized foreign currency translation adjustment			1,667			(584	)		-			1,083
Other comprehensive income (loss)		$	(45,259	)	$	15,672		$	(15,248	)	$	(44,835	)

See Note 11 – “Income Taxes” for a discussion of the valuation allowance.

Total accumulated other comprehensive income and changes in accumulated other comprehensive income, including amounts reclassified from other comprehensive income, are included in the table below.

	Three Months Ended
	March 31, 2013
	Unrealized gains and
	losses on available-				Defined benefit			Foreign currency
	for-sale securities				plans			translation			Total
	(In thousands)
Balance at December 31, 2012, before tax	$	41,541			$	(71,804	)	$	32,747		$	2,484
Other comprehensive income (loss) before reclassifications		(8,467	)			-			486			(7,981	)
Amounts reclassified from accumulated other comprehensive income (loss)		2,072		(1)		-			-			2,072
Net current period other comprehensive income (loss)		(10,539	)			-			486			(10,053	)
Balance at March 31, 2013, before tax		31,002				(71,804	)		33,233			(7,569	)
Tax effect (2)		(66,054	)			26,940			(11,118	)		(50,232	)
Balance at March 31, 2013, net of tax	$	(35,052	)		$	(44,864	)	$	22,115		$	(57,801	)

(1) During the three months ended March 31, 2013, unrealized gains and losses of $2.1 million were reclassified to the Consolidated Statement of Operations and included in Realized investment gains.

(2)Tax effect does not approximate 35% due to amounts of tax benefits not provided in various periods due to our tax valuation allowance.

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Note 10 - Benefit Plans

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

	Three Months Ended March 31,
	Pension and Supplemental						Other Postretirement
	Executive Retirement Plans						Benefits
	2013			2012			2013			2012
	(In thousands)
Service cost	$	2,717		$	2,390		$	194		$	309
Interest cost		3,799			4,106			154			292
Expected return on plan assets		(5,038	)		(4,516	)		(920	)		(790	)
Recognized net actuarial loss		1,516			1,478			-			210
Amortization of prior service cost		125			161			(1,663	)		(1,554	)
Net periodic benefit cost	$	3,119		$	3,619		$	(2,235	)	$	(1,533	)

We currently intend to make a $10 million contribution to the pension plan during 2013.

Under Statement of Statutory Accounting Principles (“SSAP”) No. 92 and No. 102, which became effective January 1, 2013, the measurement of pension and other postretirement benefit liabilities will begin to include non-vested employees. This measurement, referred to as the projected benefit obligation, is the measurement currently used under GAAP. The new SSAPs did not have a material impact on our statutory benefit obligations or statutory surplus.

Note 11 – Income Taxes

We review the need to establish a deferred tax asset valuation allowance on a quarterly basis. We analyze several factors, among which are the severity and frequency of operating losses, our capacity for the carryback or carryforward of any losses, the expected occurrence of future income or loss and available tax planning alternatives. Based on our analysis and the level of cumulative operating losses, we have reduced our benefit from income tax through the recognition of a valuation allowance.

The effect of the change in valuation allowance on the benefit from income taxes was as follows:

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	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Benefit from income taxes	$	(21,590	)	$	(6,062	)
Change in valuation allowance		22,729			7,425
Provision for income taxes	$	1,139		$	1,363

The increase in the valuation allowance that was included in other comprehensive income for the three months ended March 31, 2013 and 2012 was $3.0 million and $15.2 million, respectively.  The total valuation allowance as of March 31, 2013 and December 31, 2012 was $991.7 million and $966.0 million, respectively.

We have approximately $2.6 billion of net operating loss carryforwards on a regular tax basis and $1.7 billion of net operating loss carryforwards for computing the alternative minimum tax as of March 31, 2013. Any unutilized carryforwards are scheduled to expire at the end of tax years 2029 through 2033.

The Internal Revenue Service (“IRS”) completed examinations of our federal income tax returns for the years 2000 through 2007 and issued assessments for unpaid taxes, interest and penalties related to our treatment of the flow-through income and loss from an investment in a portfolio of residual interests of Real Estate Mortgage Investment Conduits (“REMICs”). This portfolio has been managed and maintained during years prior to, during and subsequent to the examination period. The IRS indicated that it did not believe that, for various reasons, we had established sufficient tax basis in the REMIC residual interests to deduct the losses from taxable income. The IRS assessment related to the REMIC issue is $190.7 million in taxes and penalties. There would also be applicable interest which, when computed on the amount of the assessment, is substantial. Depending on the outcome of this matter, additional state income taxes along with any applicable interest may become due when a final resolution is reached and could also be substantial.

We appealed these assessments within the IRS and, in 2007, we made a payment of $65.2 million to the United States Department of the Treasury related to this assessment. In August 2010, we reached a tentative settlement agreement with the IRS which was not finalized. We currently expect to receive a statutory notice of deficiency (commonly referred to as a “90-day letter”) for the disputed amounts in the second quarter of 2013. We would then be required to litigate the validity of the assessments in order to avoid payment to the IRS of the entire amount assessed. Any such litigation could be lengthy and costly in terms of legal fees and related expenses. We continue to believe that our previously recorded tax provisions and liabilities are appropriate. However, we would need to make appropriate adjustments, which could be material, to our tax provision and liabilities if our view of the probability of success in this matter changes, and the ultimate resolution of this matter could have a material negative impact on our effective tax rate, results of operations, cash flows and statutory capital. In this regard, see Note 1 – “Nature of Business - Capital.”

In March 2012, we received a Revenue Agent’s Report from the IRS related to the examination of our federal income tax returns for the years 2008 and 2009. In January 2013, we received a Revenue Agent’s Report from the IRS related to the examination of our federal income tax return for the year 2010. The adjustments that are proposed by the IRS are temporary in nature and will have no material effect on the financial statements.

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Note 12 – Loss Reserves

We establish reserves to recognize the estimated liability for losses and loss adjustment expenses (“LAE”) related to defaults on insured mortgage loans. Loss reserves are established by estimating the number of loans in our inventory of delinquent loans that will result in a claim payment, which is referred to as the claim rate, and further estimating the amount of the claim payment, which is referred to as claim severity.

Estimation of losses is inherently judgmental. The conditions that affect the claim rate and claim severity include the current and future state of the domestic economy, including unemployment, and the current and future strength of local housing markets. Current conditions in the housing and mortgage industries make these assumptions more volatile than they would otherwise be. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a further deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrowers’ income and thus their ability to make mortgage payments, and a further drop in housing values that could result in, among other things, greater losses on loans that have pool insurance, and may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance and mitigation from rescissions being materially less than assumed. Changes to our estimates could result in a material impact to our results of operations and capital position, even in a stable economic environment.

The following table provides a reconciliation of beginning and ending loss reserves for the three months ended March 31, 2013 and 2012:

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	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Reserve at beginning of period	$	4,056,843		$	4,557,512
Less reinsurance recoverable		104,848			154,607
Net reserve at beginning of period (1)		3,951,995			4,402,905
Losses incurred:
Losses and LAE incurred in respect of default notices related to:
Current year		268,793			280,565
Prior years (2)		(2,585	)		56,523
Subtotal (3)		266,208			337,088
Losses paid:
Losses and LAE paid in respect of default notices related to:
Current year		246			280
Prior years		468,933			673,257
Reinsurance terminations (4)		(3,145	)		(425	)
Subtotal (5)		466,034			673,112
Net reserve at end of period (6)		3,752,169			4,066,881
Plus reinsurance recoverables		96,179			142,289
Reserve at end of period	$	3,848,348		$	4,209,170

(1) At December 31, 2012 and 2011, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.7 billion, respectively.

(2) A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves, and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

(3) Rescissions did not have a significant impact on incurred losses in the three months ended March 31, 2013 or 2012.

(4) In a termination, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction to losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

(5) Rescissions mitigated our paid losses by an estimated $35 million in the three months ended March 31, 2013 and by an estimated $0.1 billion in the three months ended March 31, 2012, which excludes amounts that may have been applied to a deductible.

(6) At March 31, 2013 and 2012, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.6 billion, respectively.

The “Losses incurred” section of the table above shows losses incurred on default notices received in the current year and in prior years.  The amount of losses incurred relating to default notices received in the current year represents the estimated amount to be ultimately paid on such default notices.  The amount of losses incurred relating to default notices received in prior years represents the actual claim rate and severity associated with those defaults notices resolved in the current year differing from the estimated liability at the prior year-end, as well as a re-estimation of amounts to be ultimately paid on defaults remaining in inventory from the end of the prior year.  This re-estimation of the estimated claim rate and estimated severity is the result of our review of current trends in the default inventory, such as percentages of defaults that have resulted in a claim, the amount of the claims, changes in the relative level of defaults by geography and changes in average loan exposure.

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Losses incurred on default notices received in the current year decreased slightly in the first quarter of 2013 compared to the same period in 2012, primarily due to a decrease in the number of new default notices received, net of cures, somewhat offset by a smaller benefit from captive arrangements.

The prior year development of the reserves in the first quarter of 2013 and 2012 is reflected in the table below.

	Three months ended March 31,
	2013			2012
	(In millions)
Prior year loss development (1):
(Decrease) increase in estimated claim rate on primary defaults	$	(15	)	$	50
Increase in estimated severity on primary defaults		20			-
Change in estimates related to pool reserves, LAE reserves and reinsurance		(8	)		6
Total prior year loss development	$	(3	)	$	56

(1) A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

The prior year loss development was based on the resolution of approximately 23% and 22% for the three months ended March 31, 2013 and 2012, respectively of the prior year default inventory, as well as a re-estimation of amounts to be ultimately paid on defaults remaining in inventory from the end of the prior year and estimated incurred but not reported items from the end of the prior year. Based on recent experience, in the first quarter of 2013, we have lowered our estimated claim rate on defaults that were 12 or fewer months delinquent.  This was partially offset by an increase in our estimated claim rate on defaults that were more than 12 months delinquent. In the first quarter of 2012, our estimated claim rates increased on defaults that were more than 12 months delinquent.

The “Losses paid” section of the table above shows the breakdown between claims paid on default notices received in the current year, claims paid on default notices received in prior years and the decrease in losses paid related to terminated reinsurance agreements as noted in footnote (4) of the table above. It has historically taken, prior to the last few years, on average, approximately twelve months for a default which is not cured to develop into a paid claim, therefore, most losses paid relate to default notices received in prior years. Due to a combination of reasons that had slowed the rate at which claims are received and paid, including foreclosure moratoriums and suspensions, servicing delays, court delays, loan modifications, our fraud investigations and our claim rescissions and denials for misrepresentation, it is difficult to estimate how long it may take for current and future defaults that do not cure to develop into paid claims.

The liability associated with our estimate of premiums to be refunded on expected claim payments is accrued for separately at March 31, 2013 and December 31, 2012 and approximated $136 million and $134 million, respectively. Separate components of this liability are included in “Other liabilities” and “Premium deficiency reserve” on our consolidated balance sheet. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

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A rollforward of our primary default inventory for the three months ended March 31, 2013 and 2012 appears in the table below. The information concerning new notices and cures is compiled from monthly reports received from loan servicers. The level of new notice and cure activity reported in a particular month can be influenced by, among other things, the date on which a servicer generates its report, the number of business days in a month and by transfers of servicing between loan servicers.

	Three Months Ended
	March 31,
	2013			2012
Default inventory at beginning of period		139,845			175,639
New Notices		27,864			34,781
Cures		(31,122	)		(37,144	)
Paids (including those charged to a deductible or captive)		(9,445	)		(11,909	)
Rescissions and denials		(532	)		(894	)
Default inventory at end of period		126,610			160,473

Pool insurance notice inventory decreased from 8,594 at December 31, 2012 to 7,890 at March 31, 2013. The pool insurance notice inventory was 26,601 at March 31, 2012. During the third quarter of 2012, approximately 15,600 pool notices were removed from the pool notice inventory due to the exhaustion of the aggregate loss on a pool policy we had with Freddie Mac.

The decrease in the primary default inventory experienced during 2013 and 2012 was generally across all markets and all book years. However, the percentage of loans in the inventory that have been in default for 12 or more consecutive months has increased, as shown in the table below. Historically as a default ages it becomes more likely to result in a claim. The percentage of loans that have been in default for 12 or more consecutive months has been affected by our suspended rescissions discussed below.

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Aging of the Primary Default Inventory
	March 31,				December 31,				March 31,
	2013				2012				2012
Consecutive months in default
3 months or less		17,973	14	%		23,282	17	%		22,516	14	%
4 - 11 months		32,662	26	%		34,688	25	%		45,552	28	%
12 months or more		75,975	60	%		81,875	58	%		92,405	58	%
Total primary default inventory		126,610	100	%		139,845	100	%		160,473	100	%
Primary claims received inventory included in ending default inventory (1)		10,924	9	%		11,731	8	%		12,758	8	%

(1) Our claims received inventory includes suspended rescission as discussed in Note 5 – “Litigation and Contingencies.” In connection with the Countrywide proceedings, we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable was affected by our decision to suspend such rescissions. Substantially all of these potential rescissions relate to claims received beginning in the first quarter of 2011 or later. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for another customer for which we also consider settlement probable. In addition, as of March 31, 2013, coverage on approximately 265 loans, representing total potential claim payments of approximately $19 million, was affected by our decision to suspend rescissions for customers other than those for which we consider settlement probable, as defined in ASC 450-20.

The number of months a loan is in the default inventory can differ from the number of payments that the borrower has not made or is considered delinquent. These differences typically result from a borrower making monthly payments that do not result in the loan becoming fully current. The number of payments that a borrower is delinquent is shown in the table below.

Number of Payments Delinquent
	March 31,				December 31,				March 31,
	2013				2012				2012
3 payments or less		28,376	23	%		34,245	24	%		33,579	21	%
4 - 11 payments		32,253	25	%		34,458	25	%		45,539	28	%
12 payments or more		65,981	52	%		71,142	51	%		81,355	51	%
Total primary default inventory		126,610	100	%		139,845	100	%		160,473	100	%

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Rescissions

Before paying a claim, we can review the loan file to determine whether we are required, under the applicable insurance policy, to pay the claim or whether we are entitled to reduce the amount of the claim. For example, all of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligation to mitigate our loss by performing reasonable loss mitigation efforts or diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We also do not cover losses resulting from property damage that has not been repaired.

In addition, subject to rescission caps in certain of our Wall Street bulk transactions, all of our insurance policies allow us to rescind coverage under certain circumstances. Because we can review the loan origination documents and information as part of our normal processing when a claim is submitted to us, rescissions occur on a loan by loan basis most often after we have received a claim. Prior to 2008, rescissions of coverage on loans were not a material portion of our claims resolved during a year. However, beginning in 2008, our rescissions of coverage on loans have materially mitigated our paid losses. In 2009 through 2011, rescissions mitigated our paid losses in the aggregate by approximately $3.0 billion; and in 2012 and the first quarter of 2013, rescissions mitigated our paid losses by approximately $0.3 billion and $35 million, respectively (in each case, the figure includes amounts that would have either resulted in a claim payment or been charged to a deductible under a bulk or pool policy, and may have been charged to a captive reinsurer). In recent quarters, less than 8% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009.

Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, the number of rescissions that we have reversed has been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of claims investigations, litigation, settlements or other factors, could materially affect our losses. We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010. In 2011, we estimate that rescissions had no significant impact on our losses incurred. All of these figures include the benefit of claims not paid in the period as well as the impact of changes in our estimated expected rescission activity on our loss reserves in the period. In 2012, we estimate that our rescission benefit in loss reserves was reduced by $0.2 billion due to probable rescission settlement agreements. We estimate that other rescissions had no significant impact on our losses incurred in 2012 or in the first quarter of 2013. At both March 31, 2013 and December 31, 2012, we estimate that our loss reserves were benefited from anticipated rescissions by approximately $0.2 billion. We expect that the reduction of our loss reserves due to rescissions will decline. For information about two settlements that we believe are probable, as defined in ASC 450-20, see Note 5 – “Litigation and Contingencies.”

We do not utilize an explicit rescission rate in our reserving methodology, but rather our reserving methodology incorporates the effects rescission activity has had on our historical claim rate and claim severities. A variance between ultimate actual rescission rates and these estimates could materially affect our losses incurred. Our estimation process does not include a direct correlation between claim rates and severities to projected rescission activity or other economic conditions such as changes in unemployment rates, interest rates or housing values. Our experience is that analysis of that nature would not produce reliable results, as the change in one condition cannot be isolated to determine its sole effect on our ultimate paid losses as our ultimate paid losses are also influenced at the same time by other economic conditions. The estimation of the impact of rescissions on incurred losses must be considered together with the various other factors impacting incurred losses and not in isolation.

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If the insured disputes our right to rescind coverage, the outcome of the dispute ultimately would be determined by legal proceedings. Under our policies, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, although in a few jurisdictions there is a longer time to bring such an action. For approximately 40% of our rescissions since the beginning of 2009 that are not subject to a settlement agreement, this period in which a dispute may be brought has not ended. Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider a rescission resolved for financial reporting purposes even though legal proceedings have been initiated and are ongoing. Although it is reasonably possible that, when the proceedings are completed, there will be a determination that we were not entitled to rescind in all cases, we are sometimes unable to make a reasonable estimate or range of estimates of the potential liability. Under ASC 450-20, an estimated loss from such proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated. Therefore, when establishing our loss reserves, we do not generally include additional loss reserves that would reflect an adverse outcome from ongoing legal proceedings. For more information about these legal proceeding regarding rescissions, see Note 5 – “Litigation and Contingencies.”

The liability associated with our estimate of premiums to be refunded on expected future rescissions is accrued for separately. At March 31, 2013 and December 31, 2012 the estimate of this liability totaled $13 million and $18 million, respectively. Separate components of this liability are included in “Other liabilities” and “Premium deficiency reserve” on our consolidated balance sheet. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

In April 2011, Freddie Mac advised its servicers that they must obtain its prior approval for rescission settlements and Fannie Mae advised its servicers that they are prohibited from entering into such settlements. In addition, in April 2011, Fannie Mae notified us that we must obtain its prior approval to enter into certain settlements. Since those announcements, the GSEs have approved our settlement agreement with one customer and have rejected settlement agreements that were structured differently. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

As discussed in Note 5 – “Litigation and Contingencies,” in April 2013, we entered into two agreements to resolve our dispute with Countrywide regarding rescissions. Implementation of the agreements is subject to various conditions. The resolutions of that and other disputes, assuming they occur, may encourage other customers to seek remedies against us. We continue to be involved in legal proceedings with other customers with respect to rescissions that we do not consider to be collectively material in amount. We also continue to discuss with customers their objections to rescissions that are material when all such discussions are considered in the aggregate, and have reached settlement terms with several of our significant customers. In connection with some of these settlement discussions, we have suspended rescissions related to loans that we believe could be included in potential settlements. As of March 31, 2013, approximately 265 rescissions, representing total potential claim payments of approximately $19 million, were affected by our decision to suspend such rescissions. These amounts do not include loans covered by the two Countrywide agreements referred to above nor do they include loans of a customer for which we consider a settlement agreement probable, as defined in ASC 450-20. Although it is reasonably possible that, when the discussions or legal proceedings with customers regarding rescissions are completed, there will be a conclusion or determination that we were not entitled to rescind in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability.

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Note 13 – Premium Deficiency Reserve

The components of the premium deficiency reserve at March 31, 2013, December 31, 2012 and March 31, 2012 appear in the table below.

	March 31,			December 31,			March 31,
	2013			2012			2012
	(In millions)
Present value of expected future paid losses and expenses, net of expected future premium	$	(808	)	$	(840	)	$	(903	)
Established loss reserves		736			766			782
Net deficiency	$	(72	)	$	(74	)	$	(121	)

The decrease in the premium deficiency reserve for the three months ended March 31, 2013 and 2012 was $2 million and $14 million, respectively, as shown in the table below, which represents the net result of actual premiums, losses and expenses as well as a net change in assumptions for these periods. The net change in assumptions for the three months ended March 31, 2013 is primarily related to higher estimated ultimate losses. The net change in assumptions for the three months ended March 31, 2012 is primarily related to higher estimated ultimate premiums.

	Three Months Ended March 31,
	2013						2012
	(In millions)
Premium Deficiency Reserve at beginning of period				$	(74	)				$	(135	)
Paid claims and loss adjustment expenses	$	58					$	76
Decrease in loss reserves		(30	)					(44	)
Premium earned		(23	)					(28	)
Effects of present valuing on future premiums, losses and expenses		(2	)					-
Change in premium deficiency reserve to reflect actual premium, losses and expenses recognized					3						4
Change in premium deficiency reserve to reflect change in assumptions relating to future premiums, losses, expenses and discount rate (1)					(1	)					10
Premium Deficiency Reserve at end of period				$	(72	)				$	(121	)

(1)  A (negative) positive number for changes in assumptions relating to premiums, losses, expenses and discount rate indicates a (deficiency) redundancy of the prior premium deficiency reserve.

Note 14 – Shareholders’ Equity

In March 2013 we completed the public offering and sale of 135 million shares of our common stock at a price of $5.15 per share. We received net proceeds of approximately $663.5 million, after deducting underwriting discount and estimated offering expenses. The shares of common stock sold were newly issued shares.

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In March 2013 we also concurrently completed the sale of $500 million principal amount of 2% Convertible Senior Notes due in 2020.  For more information, see Note 3 - “Debt.”
 

In March 2013 we contributed $800 million to MGIC to increase its capital as discussed in Note 1 – “Basis of Presentation - Capital.” We intend to use the remaining net proceeds from the offerings for general corporate purposes, which may include further increasing the capital of MGIC and other subsidiaries and improving liquidity by providing funds for debt service.

We have a Shareholders Rights Agreement which was approved by shareholders (the “Agreement”) dated July 25, 2012, as amended through March 11, 2013, that seeks to diminish the risk that our ability to use our net operating losses (“NOLs”) to reduce potential future federal income tax obligations may become substantially limited and to deter certain abusive takeover practices. The benefit of the NOLs, would be substantially limited, and the timing of the usage of the NOLs could be substantially delayed, if we were to experience an “ownership change” as defined by Section 382 of the Internal Revenue Code.

Under the Agreement each outstanding share of our Common Stock is accompanied by one Right. The Distribution Date occurs on the earlier of ten days after a public announcement that a person has become an Acquiring Person, or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an Acquiring Person. An Acquiring Person is any person that becomes, by itself or together with its affiliates and associates, a beneficial owner of 5% or more of the shares of our Common Stock then outstanding, but excludes, among others, certain exempt and grandfathered persons as defined in the Agreement. The Rights are not exercisable until the Distribution Date. Each Right will initially entitle shareholders to buy one-tenth of one share of our Common Stock at a Purchase Price of $14 per full share (equivalent to $1.40 for each one-tenth share), subject to adjustment. Each exercisable Right (subject to certain limitations) will entitle its holder to purchase, at the Rights’ then-current Purchase Price, a number of our shares of Common Stock (or if after the Shares Acquisition Date, we are acquired in a business combination, common shares of the acquiror) having a market value at the time equal to twice the Purchase Price. The Rights will expire on August 1, 2015, or earlier as described in the Agreement. The Rights are redeemable at a price of $0.001 per Right at any time prior to the time a person becomes an Acquiring Person. Other than certain amendments, the Board of Directors may amend the Rights in any respect without the consent of the holders of the Rights.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

Through our subsidiaries MGIC and MIC, we are the leading provider of private mortgage insurance in the United States, as measured by insurance in force, to the home mortgage lending industry.

As used below, “we” and “our” refer to MGIC Investment Corporation’s consolidated operations. The discussion below should be read in conjunction with "Management's Discussion and Analysis of Financial Condition and Results of Operations" in our Annual Report on Form 10-K for the year ended December 31, 2012.  We refer to this Discussion as the “10-K MD&A.” In the discussion below, we classify, in accordance with industry practice, as “full documentation” loans approved by GSE and other automated underwriting systems under “doc waiver” programs that do not require verification of borrower income. For additional information about such loans, see footnote (3) to the composition of primary default inventory table under “Results of Consolidated Operations-Losses-Losses incurred” below. The discussion of our business in this document generally does not apply to our Australian operations which have historically been immaterial. The results of our operations in Australia are included in the consolidated results disclosed. For additional information about our Australian operations, see our risk factor titled “Our Australian operations may suffer significant losses” and “Overview—Australia” in our 10-K MD&A.

Forward Looking and Other Statements

As discussed under “Forward Looking Statements and Risk Factors” below, actual results may differ materially from the results contemplated by forward looking statements. We are not undertaking any obligation to update any forward looking statements or other statements we may make in the following discussion or elsewhere in this document even though these statements may be affected by events or circumstances occurring after the forward looking statements or other statements were made. Therefore no reader of this document should rely on these statements being current as of any time other than the time at which this document was filed with the Securities and Exchange Commission.

Outlook

In today’s environment, many low down payment mortgages are securitized as Ginne Mae securities, whose terms require such mortgages to be insured or guaranteed by specified instrumentalities of the federal government such as the FHA. Most of the remaining low down payment mortgages are sold to the GSEs.  For a number of years, substantially all of the loans we insure have been sold to the GSEs, which have been in conservatorship since late 2008.  The timing of the conclusion of the conservatorship and the role in the secondary mortgage market, if any, of the GSEs post-conservatorship will be determined by Congress.  The scope of the FHA’s market presence may also change in connection with the determination of the future of the GSEs. There are pending regulatory changes that could impact mortgage lenders and thereby affect demand for private mortgage insurance; see our risk factors titled “The amount of insurance we write could be adversely affected if the definition of Qualified Residential Mortgage results in a reduction of the number of low down payment loans available to be insured or if lenders and investors select alternatives to private mortgage insurance” and “The implementation of the Basel III capital accord, or other changes to our customers’ capital requirements, may discourage the use of mortgage insurance.”  Furthermore, capital standards for private mortgage insurers are being revised; see “Capital” below. While we strongly believe private mortgage insurance should be an integral part of credit enhancement in a future mortgage market, the role of private mortgage insurance in that market cannot be predicted.

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Capital

Insurance regulators

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “Capital Requirements.” While they vary among jurisdictions, the most common Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1.

During part of 2012 and 2013, MGIC’s risk-to-capital ratio exceeded 25 to 1. In March 2013, our holding company issued additional equity and convertible debt securities and transferred $800 million to increase MGIC’s capital. As a result, at March 31, 2013, MGIC’s risk-to-capital ratio was 20.4 to 1, below the maximum allowed by the jurisdictions with Capital Requirements, and its policyholder position was $168 million above the required minimum policyholders position of $1.2 billion. At March 31, 2013, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 23.1 to 1.

At this time, we expect MGIC to continue to comply with the current Capital Requirements, although you should read our financial statement footnotes and our risk factors for information about factors that could negatively affect such compliance.

The NAIC is reviewing the minimum capital and surplus requirements for mortgage insurers, although it has not established a date by which it must make proposals to change such requirements. Depending on the scope of proposals made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such proposals. The GSEs are also developing mortgage insurer capital standards that would replace the use of external credit ratings. Revised capital standards are expected to be released in 2013, however the timing of their implementation is unknown.

A possible future failure by MGIC to meet the Capital Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, we cannot assure you that events that may lead MGIC to fail to meet Capital Requirements would not also result in it not having sufficient claims paying resources. Furthermore, our estimates of MGIC’s claims paying resources and claim obligations are based on various assumptions. These assumptions include the timing of the receipt of claims on loans in our delinquency inventory and future claims that we anticipate will ultimately be received, our anticipated rescission activity, premiums, housing values and unemployment rates. These assumptions are subject to inherent uncertainty and require judgment by management. Current conditions in the domestic economy make the assumptions about when anticipated claims will be received, housing values, and unemployment rates highly volatile in the sense that there is a wide range of reasonably possible outcomes. Our anticipated rescission activity is also subject to inherent uncertainty due to the difficulty of predicting the amount of claims that will be rescinded and the outcome of any legal proceedings or settlement discussions related to rescissions. You should read our financial statement footnotes and our risk factors for additional information about factors that could negatively affect MGIC’s claims paying resources.

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We have in place a longstanding plan to write new business in MIC, a direct subsidiary of MGIC, if MGIC is unable to do so. During 2012, MIC began writing new business on the same policy terms as MGIC in the jurisdictions where MGIC did not have active waivers of the Capital Requirements. Because MGIC again meets the Capital Requirements, MGIC will again be writing new business in all jurisdictions and MIC will suspend writing new business. As of March 31, 2013, MIC had statutory capital of $450 million and risk in force of approximately $800 million. MIC is licensed to write business in all jurisdictions and, subject to the conditions and restrictions discussed below, has received the necessary approvals from the GSEs and the OCI to write business in all of the jurisdictions where MGIC may become unable to do so because those jurisdictions have not waived their Capital Requirements for MGIC.

GSEs

The GSEs have approved MGIC as an eligible mortgage insurer, under remediation plans, even though our insurer financial strength (IFS) rating is below the published GSE minimum.  The GSEs may change the requirements under our remediation plans.  This possibility could result from changes imposed on the GSEs by their regulator or due to an actual or GSE-projected deterioration in our capital position. For additional information about this challenge see our risk factors titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements,” “Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis” and “We have reported losses for the last six years, expect to continue to report annual net losses, and cannot assure you when we will return to profitability.”

Qualified Residential Mortgages

The financial reform legislation that was passed in July 2010 (the “Dodd-Frank Act” or “Dodd-Frank”) requires a securitizer to retain at least 5% of the risk associated with mortgage loans that are securitized, and in some cases the retained risk may be allocated between the securitizer and the lender that originated the loan. This risk retention requirement does not apply to mortgage loans that are Qualified Residential Mortgages (“QRMs”) or that are insured by the Federal Housing Administration (“FHA”) or another federal agency. In March 2011, federal regulators requested public comments on a proposed risk retention rule that includes a definition of QRM. The proposed definition of QRM contains many underwriting requirements, including a maximum loan-to-value ratio (“LTV”) of 80% on a home purchase transaction, a prohibition on seller contributions toward a borrower’s down payment or closing costs, and certain limits on a borrower’s debt-to-income ratio. The LTV is to be calculated without including mortgage insurance. None of our new risk written in 2012 or the first quarter of 2013 was on loans that would qualify as QRMs under the March 2011 proposed rules.

The regulators also requested public comments regarding an alternative QRM definition, the underwriting requirements of which would allow loans with a maximum LTV of 90% and higher debt-to-income ratios than allowed under the proposed QRM definition, and that may consider mortgage insurance in determining whether the LTV requirement is met. We estimate that approximately 22%and 23%of our new risk written in 2012 and the first quarter of 2013, respectively, was on loans that would have met the alternative QRM definition. The regulators also requested that the public comments include information that may be used to assess whether mortgage insurance reduces the risk of default. We submitted a comment letter, including studies to the effect that mortgage insurance reduces the risk of default.

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Under the proposed rule, because of the capital support provided by the U.S. Government, the GSEs satisfy the Dodd-Frank risk-retention requirements while they are in conservatorship. Therefore, under the proposed rule, lenders that originate loans that are sold to the GSEs while they are in conservatorship would not be required to retain risk associated with those loans. The public comment period for the proposed rule expired in August 2011. At this time we do not know when a final rule will be issued, although it was not expected that the final QRM rule would be issued until the final rule defining Qualified Mortgages (“QMs”) (discussed below) was issued. The Consumer Financial Protection Bureau (the “CFPB”) issued the final QM rule on January 10, 2013.

Depending on, among other things, (a) the final definition of QRM and its requirements for LTV, seller contributions and debt-to-income ratio, (b) to what extent, if any, the presence of mortgage insurance would allow for a higher LTV in the definition of QRM, and (c) whether lenders choose mortgage insurance for non-QRM loans, the amount of new insurance that we write may be materially adversely affected. For other factors that could decrease the demand for mortgage insurance, see our risk factors titled “If the volume of low down payment home mortgage originations declines, the amount of insurance that we write could decline, which would reduce our revenues” and “The implementation of the Basel III capital accord, or other changes to our customers’ capital requirements, may discourage the use of mortgage insurance.”

In January 2013, the CFPB issued the final rule defining QM, in order to implement laws requiring lenders to consider a borrower’s ability to repay a home loan before extending credit. The QM rule prohibits loans with certain features, such as negative amortization, points and fees in excess of 3% of the loan amount, and terms exceeding 30 years, from being considered QMs. The rule also establishes general underwriting criteria for QMs including that a borrower have a total debt-to-income ratio of less than or equal to 43%. The rule provides a temporary category of QMs that have more flexible underwriting requirements so long as they satisfy the general product feature requirements of QMs and so long as they meet the underwriting requirements of the GSEs or those of the U.S. Department of Housing and Urban Development, Department of Veterans Affairs or Rural Housing Service (collectively, “Other Federal Agencies”). While the debt-to-income ratio contained in our underwriting guidelines exceeds the general requirements of the QM definition, it is within the underwriting guidelines of the GSEs. The temporary category of QMs that meet the underwriting requirements of the GSEs or the Other Federal Agencies will phase out when the GSEs or the Other Federal Agencies issue their own qualified mortgage rules, if the GSEs’ conservatorship ends, and in any case after seven years. We expect that most lenders will be reluctant to make loans that do not qualify as QMs because they will not be entitled to the presumptions about compliance with the ability-to-pay requirements. Given the credit characteristics presented to us, we estimate that 99% of our new risk written in 2012 and the first quarter of 2013 was for mortgages that would have met the QM definition and 91% and 90% of our new risk written in 2012 and the first quarter of 2013, respectively, was for mortgages that would have met the QM definition even without the temporary category allowed for mortgages that meet the GSEs’ underwriting requirements. In making these estimates, we have not considered the limitation on points and fees because the information is not available to us. We do not believe such limitation would materially affect the percentage of our new risk written meeting the QM definition. The QM rule is scheduled to become effective in January 2014.

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GSE Reform

The Federal Housing Finance Agency (“FHFA”) is the conservator of the GSEs and has the authority to control and direct their operations. The increased role that the federal government has assumed in the residential mortgage market through the GSE conservatorship may increase the likelihood that the business practices of the GSEs change in ways that have a material adverse effect on us. In addition, these factors may increase the likelihood that the charters of the GSEs are changed by new federal legislation. The Dodd-Frank Act required the U.S. Department of the Treasury to report its recommendations regarding options for ending the conservatorship of the GSEs. This report was released in February 2011 and while it does not provide any definitive timeline for GSE reform, it does recommend using a combination of federal housing policy changes to wind down the GSEs, shrink the government’s footprint in housing finance, and help bring private capital back to the mortgage market. Since then, Members of Congress introduced several bills intended to scale back the GSEs, however, no legislation was enacted. As a result of the matters referred to above, it is uncertain what role the GSEs, FHA and private capital, including private mortgage insurance, will play in the domestic residential housing finance system in the future or the impact of any such changes on our business. In addition, the timing of the impact of any resulting changes on our business is uncertain. Most meaningful changes would require Congressional action to implement and it is difficult to estimate when Congressional action would be final and how long any associated phase-in period may last.

For additional information about the business practices of the GSEs, see our risk factor titled “Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses.”

Loan Modification and Other Similar Programs

Beginning in the fourth quarter of 2008, the federal government, including through the Federal Deposit Insurance Corporation and the GSEs, and several lenders have adopted programs to modify loans to make them more affordable to borrowers with the goal of reducing the number of foreclosures. During 2010, 2011, 2012, and the first quarter of 2013, we were notified of modifications that cured delinquencies that had they become paid claims would have resulted in approximately $3.2 billion, $1.8 billion, $1.2 billion and $247 million, respectively, of estimated claim payments. As noted below, we cannot predict with a high degree of confidence what the ultimate re-default rate on these modifications will be. Although the recent re-default rate has been lower, for internal reporting and planning purposes, we assume approximately 50% of these modifications will ultimately re-default, and those re-defaults may result in future claim payments. Because modifications cure the defaults with respect to the previously defaulted loans, our loss reserves do not account for potential re-defaults unless at the time the reserve is established, the re-default has already occurred. Based on information that is provided to us, most of the modifications resulted in reduced payments from interest rate and/or amortization period adjustments; less than 5% resulted in principal forgiveness.

One loan modification program is the Home Affordable Modification Program (“HAMP”). Some of HAMP’s eligibility criteria relate to the borrower’s current income and non-mortgage debt payments. Because the GSEs and servicers do not share such information with us, we cannot determine with certainty the number of loans in our delinquent inventory that are eligible to participate in HAMP. We believe that it could take several months from the time a borrower has made all of the payments during HAMP’s three month “trial modification” period for the loan to be reported to us as a cured delinquency.

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We rely on information provided to us by the GSEs and servicers. We do not receive all of the information from such sources that is required to determine with certainty the number of loans that are participating in, or have successfully completed, HAMP. We are aware of approximately 8,650 loans in our primary delinquent inventory at March 31, 2013 for which the HAMP trial period has begun and which trial periods have not been reported to us as completed or cancelled. Through March 31, 2013 approximately 47,200 delinquent primary loans have cured their delinquency after entering HAMP and are not in default. In 2012 and the first quarter of 2013, approximately 17% and 14%, respectively, of our primary cures were the result of a modification, with HAMP accounting for approximately 70% and 75%, respectively, of those modifications in each of those periods. By comparison, in 2010, approximately 27% of our primary cures were the result of a modification, with HAMP accounting for approximately 60% of those modifications. We believe that we have realized the majority of the benefits from HAMP because the number of loans insured by us that we are aware are entering HAMP trial modification periods has decreased significantly since 2010. Announcements made by the U.S. Treasury in 2012 extended the end date of the HAMP program through 2013, expanded the eligibility criteria of HAMP and increased lenders’ incentives to modify loans through principal forgiveness. Approximately 65% of the loans in our primary delinquent inventory are guaranteed by the GSEs. The GSEs have informed us that they already use expanded criteria (beyond the HAMP guidelines) for determining eligibility for loan modification and currently do not offer principal forgiveness. Therefore, we currently expect new loan modifications will continue to only modestly mitigate our losses in 2013.

In 2009, the GSEs began offering the Home Affordable Refinance Program (“HARP”). HARP allows borrowers who are not delinquent but who may not otherwise be able to refinance their loans under the current GSE underwriting standards, to refinance their loans. We allow the HARP refinances on loans that we insure, regardless of whether the loan meets our current underwriting standards, and we account for the refinance as a loan modification (even where there is a new lender) rather than new insurance written. To incent lenders to allow more current borrowers to refinance their loans, in October 2011, the GSEs and their regulator, FHFA, announced an expansion of HARP. The expansion includes, among other changes, releasing certain representations in certain circumstances benefitting the GSEs. We have agreed to allow these additional HARP refinances, including releasing the insured in certain circumstances from certain rescission rights we would have under our policy. While an expansion of HARP may result in fewer delinquent loans and claims in the future, our ability to rescind coverage will be limited in certain circumstances. We are unable to predict what net impact these changes may have on our incurred or paid losses. In April 2013, the FHFA announced that HARP had been extended through 2015. Approximately 12% of our primary insurance in force has benefitted from HARP and is still in force.

The effect on us of loan modifications depends on how many modified loans subsequently re-default, which in turn can be affected by changes in housing values. Re-defaults can result in losses for us that could be greater than we would have paid had the loan not been modified. At this point, we cannot predict with a high degree of confidence what the ultimate re-default rate will be. In addition, because we do not have information in our database for all of the parameters used to determine which loans are eligible for modification programs, our estimates of the number of loans qualifying for modification programs are inherently uncertain. If legislation is enacted to permit a portion of a borrower’s mortgage loan balance to be reduced in bankruptcy and if the borrower re-defaults after such reduction, then the amount we would be responsible to cover would be calculated after adding back the reduction. Unless a lender has obtained our prior approval, if a borrower’s mortgage loan balance is reduced outside the bankruptcy context, including in association with a loan modification, and if the borrower re-defaults after such reduction, then under the terms of our policy the amount we would be responsible to cover would be calculated net of the reduction.

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Eligibility under certain loan modification programs can also adversely affect us by creating an incentive for borrowers who are able to make their mortgage payments to become delinquent in an attempt to obtain the benefits of a modification. New notices of delinquency increase our incurred losses.

In response to the significant increase in the number of foreclosures that began in 2009, various government entities and private parties have from time to time enacted foreclosure (or equivalent) moratoriums and suspensions (which we collectively refer to as moratoriums). In October 2010, a number of mortgage servicers temporarily halted some or all of the foreclosures they were processing after discovering deficiencies in their foreclosure processes and those of their service providers.  In response to the deficiencies, some states changed their foreclosure laws to require additional review and verification of the accuracy of foreclosure filings. Some states also added requirements to the foreclosure process, including mediation processes and requirements to file new affidavits.  Certain state courts have issued rulings calling into question the validity of some existing foreclosure practices. These actions halted or significantly delayed foreclosures. Furthermore five of the nation’s largest mortgage servicers agreed to implement new servicing and foreclosure practices as part of a settlement announced in February 2012, with the federal government and the attorneys general of 49 states.

Past moratoriums or delays were designed to afford time to determine whether loans could be modified and did not stop the accrual of interest or affect other expenses on a loan, and we cannot predict whether any future moratorium or lengthened timeframes would do so. Therefore, unless a loan is cured during a moratorium or delay, at the completion of a foreclosure, additional interest and expenses may be due to the lender from the borrower. In some circumstances, our paid claim amount may include some additional interest and expenses. For moratoriums or delays resulting from investigations into servicers and other parties’ actions in foreclosure proceedings, our willingness to pay additional interest and expenses may be different, subject to the terms of our mortgage insurance policies. The various moratoriums and extended timeframes may temporarily delay our receipt of claims and may increase the length of time a loan remains in our delinquent loan inventory.

We do not know what effect improprieties that may have occurred in a particular foreclosure have on the validity of that foreclosure, once it was completed and the property transferred to the lender. Under our policy, in general, completion of a foreclosure is a condition precedent to the filing of a claim. Beginning in 2011 and from time to time, various courts have ruled that servicers did not provide sufficient evidence that they were the holders of the mortgages and therefore they lacked authority to foreclose. Some courts in other jurisdictions have considered similar issues and reached similar conclusions, but other courts have reached different conclusions. These decisions have not had a direct impact on our claims processes or rescissions.

Factors Affecting Our Results

Our results of operations are affected by:

· Premiums written and earned

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Premiums written and earned in a year are influenced by:

· New insurance written, which increases insurance in force, and is the aggregate principal amount of the mortgages that are insured during a period. Many factors affect new insurance written, including the volume of low down payment home mortgage originations and competition to provide credit enhancement on those mortgages, including competition from the FHA, other mortgage insurers, GSE programs that may reduce or eliminate the demand for mortgage insurance and other alternatives to mortgage insurance. In addition, new insurance written can be influenced by a lender’s assessment of the financial strength of our insurance operations. New insurance written does not include loans previously insured by us which are modified, such as loans modified under HARP.

· Cancellations, which reduce insurance in force. Cancellations due to refinancings are affected by the level of current mortgage interest rates compared to the mortgage coupon rates throughout the in force book. Refinancings are also affected by current home values compared to values when the loans in the in force book became insured and the terms on which mortgage credit is available. Cancellations also include rescissions, which require us to return any premiums received related to the rescinded policy, and policies cancelled due to claim payment, which require us to return any premium received from the date of default. Finally, cancellations are affected by home price appreciation, which can give homeowners the right to cancel the mortgage insurance on their loans.

· Premium rates, which are affected by the risk characteristics of the loans insured and the percentage of coverage on the loans.

· Premiums ceded to reinsurance subsidiaries of certain mortgage lenders (“captives”) and risk sharing arrangements with the GSEs.

Premiums are generated by the insurance that is in force during all or a portion of the period. A change in the average insurance in force in the current period compared to an earlier period is a factor that will increase (when the average in force is higher) or reduce (when it is lower) premiums written and earned in the current period, although this effect may be enhanced (or mitigated) by differences in the average premium rate between the two periods as well as by premiums that are returned or expected to be returned in connection with claim payments and rescissions, and premiums ceded to captives or the GSEs. Also, new insurance written and cancellations during a period will generally have a greater effect on premiums written and earned in subsequent periods than in the period in which these events occur.

· Investment income

Our investment portfolio is comprised almost entirely of investment grade fixed income securities. The principal factors that influence investment income are the size of the portfolio and its yield. As measured by amortized cost (which excludes changes in fair market value, such as from changes in interest rates), the size of the investment portfolio is mainly a function of cash generated from (or used in) operations, such as net premiums received, investment earnings, net claim payments and expenses, less cash provided by (or used for) non-operating activities, such as debt or stock issuances or repurchases or dividend payments. Realized gains and losses are a function of the difference between the amount received on the sale of a security and the security’s amortized cost, as well as any “other than temporary” impairments recognized in earnings.  The amount received on the sale of fixed income securities is affected by the coupon rate of the security compared to the yield of comparable securities at the time of sale.

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· Losses incurred

Losses incurred are the current expense that reflects estimated payments that will ultimately be made as a result of delinquencies on insured loans. As explained under “Critical Accounting Policies” in our 10-K MD&A, except in the case of a premium deficiency reserve, we recognize an estimate of this expense only for delinquent loans. Losses incurred are generally affected by:

· The state of the economy, including unemployment and housing values, each of which affects the likelihood that loans will become delinquent and whether loans that are delinquent cure their delinquency. The level of new delinquencies has historically followed a seasonal pattern, with new delinquencies in the first part of the year lower than new delinquencies in the latter part of the year, though this pattern can be affected by the state of the economy and local housing markets.

· The product mix of the in force book, with loans having higher risk characteristics generally resulting in higher delinquencies and claims.

· The size of loans insured, with higher average loan amounts tending to increase losses incurred.

· The percentage of coverage on insured loans, with deeper average coverage tending to increase incurred losses.

· Changes in housing values, which affect our ability to mitigate our losses through sales of properties with delinquent mortgages as well as borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance.

· The rate at which we rescind policies. Our estimated loss reserves reflect mitigation from rescissions of policies and denials of claims. We collectively refer to such rescissions and denials as “rescissions” and variations of this term.

· The distribution of claims over the life of a book. Historically, the first two years after loans are originated are a period of relatively low claims, with claims increasing substantially for several years subsequent and then declining, although persistency (percentage of insurance remaining in force from one year prior), the condition of the economy, including unemployment and housing prices, and other factors can affect this pattern. For example, a weak economy or housing price declines can lead to claims from older books increasing, continuing at stable levels or experiencing a lower rate of decline. See further information under “Mortgage Insurance Earnings and Cash Flow Cycle” below.

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· Changes in premium deficiency reserve

Each quarter, we re-estimate the premium deficiency reserve on the remaining Wall Street bulk insurance in force. The premium deficiency reserve primarily changes from quarter to quarter as a result of two factors.  First, it changes as the actual premiums, losses and expenses that were previously estimated are recognized. Each period such items are reflected in our financial statements as earned premium, losses incurred and expenses. The difference between the amount and timing of actual earned premiums, losses incurred and expenses and our previous estimates used to establish the premium deficiency reserve has an effect (either positive or negative) on that period’s results. Second, the premium deficiency reserve changes as our assumptions relating to the present value of expected future premiums, losses and expenses on the remaining Wall Street bulk insurance in force change. Changes to these assumptions also have an effect on that period’s results.

· Underwriting and other expenses

The majority of our operating expenses are fixed, with some variability due to contract underwriting volume. Contract underwriting generates fee income included in “Other revenue.”

· Interest expense

Interest expense reflects the interest associated with our outstanding debt obligations. The principal amount of our long-term debt obligations at March 31, 2013 is comprised of $100.1 million of 5.375% Senior Notes due in November 2015, $345 million of 5% Convertible Senior Notes due in 2017, $500 million of 2% Convertible Senior Notes due in 2020 and $389.5 million of 9% Convertible Junior Subordinated Debentures due in 2063 (interest on these debentures accrues and compounds even if we defer the payment of interest), as discussed in Note 3 – “Debt” to our consolidated financial statements and under “Liquidity and Capital Resources” below.

Mortgage Insurance Earnings and Cash Flow Cycle

In our industry, a “book” is the group of loans insured in a particular calendar year. In general, the majority of any underwriting profit (premium revenue minus losses) that a book generates occurs in the early years of the book, with the largest portion of any underwriting profit realized in the first year following the year the book was written. Subsequent years of a book generally result in modest underwriting profit or underwriting losses. This pattern of results typically occurs because relatively few of the claims that a book will ultimately experience typically occur in the first few years of the book, when premium revenue is highest, while subsequent years are affected by declining premium revenues, as the number of insured loans decreases (primarily due to loan prepayments), and increasing losses.

Summary of 2013 First Quarter Results

Our results of operations for the first quarter of 2013 were principally affected by the factors referred to below.

· Net premiums written and earned

Net premiums written and earned during the first quarter of 2013 decreased when compared to the same period in 2012.  The decrease was due to our lower average insurance in force, somewhat offset by a decrease in premiums ceded to captives.

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· Investment income

Investment income in the first quarter of 2013 was lower when compared to the same period in 2012 due to a decrease in our average invested assets as we continue to meet our claim obligations, as well as a decrease in our average investment yield.

· Realized gains (losses) and other-than-temporary impairments

Net realized gains for the first quarter of 2013 were $1.3 million compared to $77.6 million for the first quarter of 2012. There were no OTTI losses in the first quarter of 2013 or 2012. The gross unrealized gains in our investment portfolio were $43.7 million at March 31, 2013.

· Other revenue

Other revenue for the first quarter of 2013 increased slightly compared to the first quarter of 2012 primarily due to an increase in contract underwriting fees.

· Losses incurred

Losses incurred for the first quarter of 2013 decreased compared to the same period in 2012 primarily due to favorable development on loans fewer than 12 months delinquent. The primary default inventory decreased by 13,235 delinquencies in the first quarter of 2013 compared to a decrease of 15,166 in the first quarter of 2012. There was a slight increase in the estimated claim rate in each of the first quarters of 2013 and 2012, primarily related to delinquencies that are 12 months or more delinquent. The estimated severity slightly increased in the first quarter of 2013 compared to remaining flat in the first quarter of 2012.

· Change in premium deficiency reserve

During the first quarter of 2013 the premium deficiency reserve on Wall Street bulk transactions declined from $74 million, as of December 31, 2012, to $72 million as of March 31, 2013 and reflects the present value of expected future losses and expenses that exceeds the present value of expected future premiums and already established loss reserves. The decrease in the premium deficiency reserve represents the net result of actual premiums, losses and expenses as well as a change in net assumptions for the period. The change in assumptions for the first quarter of 2013 is primarily related to higher estimated ultimate losses.

· Underwriting and other expenses

Underwriting and other expenses for the first quarter of 2013 remained flat compared to the first quarter of 2012.

· Interest expense

Interest expense for the first quarter of 2013 increased when compared to the same period in 2012. The increase is primarily related to an increase in amortization on our junior debentures, as well as our issuance of Convertible Senior Notes in March 2013, somewhat offset by lower interest on our Senior Notes due to repayments and repurchases.

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· Provision for income taxes

We had a provision for income taxes of $1.1 million and $1.4 million in the first quarter of 2013 and 2012, respectively. The benefit from income taxes was reduced by $22.7 million and $7.4 million due to the recognition of a valuation allowance for the three months ended March 31, 2013 and 2012, respectively.

Results of Consolidated Operations

New insurance written

The amount of our primary new insurance written during the three months ended March 31, 2013 and 2012 was as follows:

	Three Months Ended
	March 31,
	2013			2012
Total Primary NIW (In billions)	$	6.5		$	4.2
Refinance volume as a % of primary NIW		46	%		42	%

The increase in new insurance written in the first quarter of 2013, compared to the first quarter of 2012, was partially due to larger origination volume as well as a modest increase in the private mortgage insurance industry’s market share. Our industry continues to regain market share from the FHA but the pace of that recovery is slower than we expected given the continued differences in underwriting guidelines, loan level price adjustments by the GSEs and the secondary market benefits associated with government insured loans versus loans insured by the private sector.

The FHA substantially increased its market share beginning in 2008, and beginning in 2011, that market share began to gradually decline. We believe that the FHA’s market share increased, in part, because private mortgage insurers tightened their underwriting guidelines (which led to increased utilization of the FHA’s programs) and because of increases in the amount of loan level delivery fees that the GSEs assess on loans (which result in higher costs to borrowers). In addition, federal legislation and programs provided the FHA with greater flexibility in establishing new products and increased the FHA’s competitive position against private mortgage insurers. We believe that the FHA’s current premium pricing, when compared to our current credit-tiered premium pricing (and considering the effects of GSE pricing changes), has allowed us to be more competitive with the FHA than in the recent past for loans with high FICO credit scores. We cannot predict, however, the FHA’s share of new insurance written in the future due to, among other factors, different loan eligibility terms between the FHA and the GSEs; future increases in guarantee fees charged by the GSEs; changes to the FHA’s annual premiums; and the total profitability that may be realized by mortgage lenders from securitizing loans through Ginnie Mae when compared to securitizing loans through Fannie Mae or Freddie Mac. Our level of new insurance written could also be affected by other items, including those noted in our Risk Factors.

From time to time, in response to market conditions, we change the types of loans that we insure and the guidelines under which we insure them. In addition, we make exceptions to our underwriting guidelines on a loan-by-loan basis and for certain customer programs. Together, the number of loans for which exceptions were made accounted for fewer than 2% of the loans we insured in 2012 and the first quarter of 2013. Our underwriting guidelines are available on our website at http://www.mgic.com/underwriting/index.html.

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During the second quarter of 2012, we began writing a portion of our new insurance under an endorsement to our master policy (the “Gold Cert Endorsement”). If a borrower makes payments for three years, our Gold Cert Endorsement limits our ability to rescind coverage except under certain circumstances, including where we prove the lender had knowledge of inaccurate information in the loan file. In addition, our Gold Cert Endorsement limits our ability to rescind on loans for which the borrower makes payments on time for one year with his own funds, if we are provided with certain documents shortly after we insure the loan and we fail to discover that the loan was ineligible for our insurance.We believe the limitations on our rights to rescind coverage under the Gold Cert Endorsement will materially reduce rescissions on such loans. Currently, less than 4% of our insurance in force was written under our Gold Cert Endorsement. However, we estimate that approximately 52% of our new insurance written in the first quarter of 2013, was written under this endorsement.

The endorsement is filed as Exhibit 99.7 to our quarterly report on Form 10-Q for the quarter ended March 31, 2012 (filed with the SEC on May 10, 2012). We expect that eventually virtually all of our new insurance written will have rescission terms equivalent to those in this endorsement. Our level of new insurance written could also be affected by other items, including those noted in our Risk Factors.

Cancellations, insurance in force and risk in force

New insurance written and cancellations of primary insurance in force during the three months ended March 31, 2013 and 2012 were as follows:

	Three Months Ended
	March 31,
	2013			2012
	(In billions)
NIW	$	6.5		$	4.2
Cancellations		(9.1	)		(8.1	)
Change in primary insurance in force	$	(2.6	)	$	(3.9	)
Direct primary insurance in force as of March 31,	$	159.5		$	169.0
Direct primary risk in force as of March 31,	$	41.1		$	43.5

Cancellation activity has historically been affected by the level of mortgage interest rates and the level of home price appreciation. Cancellations generally move inversely to the change in the direction of interest rates, although they generally lag a change in direction. Cancellations also include rescissions and policies cancelled due to claim payment.  Since 2009, cancellations due to rescissions and claim payments have comprised a significant amount of our cancellations.

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Our persistency rate was 78.7% at March 31, 2013 compared to 79.8% at December 31, 2012 and 82.2% at March 31, 2012. Our persistency rate is affected by the level of current mortgage interest rates compared to the mortgage coupon rates on our insurance in force, which affects the vulnerability of the insurance in force to refinancing. Due to refinancing, we are currently experiencing lower persistency on our 2009 and 2010 books of business. This has been partially offset by higher persistency rates on our older books of business reflecting the more restrictive credit policies of lenders (which make it more difficult for homeowners to refinance loans), as well as declines in housing values. During the 1990s, our year-end persistency ranged from a high of 87.4% at December 31, 1990 to a low of 68.1% at December 31, 1998. Since 2000, our year-end persistency ranged from a high of 84.7% at December 31, 2009 to a low of 47.1% at December 31, 2003.

Bulk transactions

We ceased writing Wall Street bulk business in the fourth quarter of 2007. In addition, we wrote no new business through the bulk channel since the second quarter of 2008. We expect the volume of any future business written through the bulk channel will be insignificant. Wall Street bulk transactions, as of March 31, 2013, included approximately 68,200 loans with insurance in force of approximately $10.4 billion and risk in force of approximately $3.1 billion, which is approximately 75% of our bulk risk in force.

In bulk transactions, the individual loans in the insured portfolio are generally insured to specified levels of coverage. Some of our bulk transactions (less than 5% of our bulk risk in force) contain aggregate loss limits on the insured portfolio. If claim payments associated with a specific bulk portfolio reach the aggregate loss limit, the remaining insurance in force within the deal may be cancelled and any remaining defaults under the deal are removed from our default inventory.

Pool insurance

We are currently not issuing new commitments for pool insurance and expect that the volume of any future pool business will be insignificant.

Our direct pool risk in force was $1.2 billion ($0.4 billion on pool policies with aggregate loss limits and $0.8 billion on pool policies without aggregate loss limits) at March 31, 2013 compared to $1.3 billion ($0.4 billion on pool policies with aggregate loss limits and $0.9 billion on pool policies without aggregate loss limits) at December 31, 2012. If claim payments associated with a specific pool reach the aggregate loss limit the remaining insurance in force within the pool would be cancelled and any remaining defaults under the pool are removed from our default inventory.

Net premiums written and earned

Net premiums written and earned during the first quarter of 2013 decreased when compared to the same period in 2012.  The decrease was due to our lower average insurance in force, somewhat offset by a decrease in premiums ceded to captives.

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We expect our average insurance in force to continue to decline in 2013 because our expected new insurance written levels are not expected to exceed our cancellation activity. We expect our premium yields (net premiums written or earned, expressed on an annual basis, divided by the average insurance in force) for the remainder of 2013 to decline slightly from the level experienced during the first quarter of 2013 due to the new quota share reinsurance agreement discussed in Note 4 – “Reinsurance” to our consolidated financial statements.

Risk sharing arrangements

As discussed in Note 4 – “Reinsurance” to our consolidated financial statements, in March 2013, MGIC and several of our competitors reached a settlement with the CFPB to resolve its investigation. As part of the settlement, without admitting or denying any liability, we have agreed that we will not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. In accordance with this settlement, all of our active captive arrangements have been placed into run-off. See Note 4 – “Reinsurance” to our consolidated financial statements for a description of these risk sharing arrangements and the related reinsurance recoverable, as well as a description of our new reinsurance agreement effective April 1, 2013. Our ceded premiums related to captive risk sharing agreements will continue to decline in 2013 for the reasons discussed above.

In the first quarter of 2013 the captive arrangements reduced our losses incurred by approximately $11 million, compared to a $15 million loss reduction in the first quarter of 2012. We anticipate that the reduction in losses incurred will continue to be lower in 2013, as some of our captive arrangements were terminated in 2011 and 2012 and many of the active captives have reached, or will reach in 2013, their maximum potential liability under the terms of the contracts.

Investment income

Investment income in the first quarter of 2013 was lower when compared to the same period in 2012 due to a decrease in our average invested assets as we continue to meet our claim obligations as well as a decrease in the average investment yield. Our average investment yield has declined as we have elected to realize gains in our investment portfolio as discussed under “Realized gains and other-than-temporary impairments” below, and have reinvested funds at a shorter duration. The average maturity of our investments has continued to decrease, as discussed under “Liquidity and Capital Resources” below. The portfolio’s average pre-tax investment yield was 1.7% at March 31, 2013 and 2.4% at March 31, 2012.

We continue to expect a decline in investment income in 2013, compared to 2012, as the average amortized cost of invested assets decreases due to claim payments exceeding premiums received in future periods. See further discussion under “Liquidity and Capital Resources” below.

Realized gains and other-than-temporary impairments

Net realized gains for the first quarter of 2013 were $1.3 million compared to $77.6 million for the first quarter of 2012. There were no OTTI losses in the first quarter of 2013 or 2012. We elected to realize gains during 2012, by selling certain securities, given the favorable market conditions experienced in 2011 and 2012. We then reinvested the funds taking into account our anticipated future claim payment obligations. We also continue to reduce our investments in tax exempt municipal securities and increase our investments in taxable securities. The gross unrealized gains in our investment portfolio were $43.7 million at March 31, 2013.

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Other revenue

Other revenue for the first quarter of 2013 increased when compared to the same period in 2012 due primarily to an increase in contract underwriting fees.

Losses

As discussed in “Critical Accounting Policies” in our 10-K MD&A and consistent with industry practices, we establish loss reserves for future claims only for loans that are currently delinquent. The terms “delinquent” and “default” are used interchangeably by us and are defined as an insured loan with a mortgage payment that is 45 days or more past due. Loss reserves are established based on estimating the number of loans in our default inventory that will result in a claim payment, which is referred to as the claim rate, and further estimating the amount of the claim payment, which is referred to as claim severity. Historically, a substantial majority of borrowers have eventually cured their delinquent loans by making their overdue payments, but this percentage has decreased significantly in recent years.

Estimation of losses is inherently judgmental. The conditions that affect the claim rate and claim severity include the current and future state of the domestic economy, including unemployment and the current and future strength of local housing markets. Current conditions in the housing and mortgage industries make these assumptions more volatile than they would otherwise be. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a further deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrowers’ income and thus their ability to make mortgage payments, and a further drop in housing values that could result in, among other things, greater losses on loans that have pool insurance, and may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance. Our estimates are also affected by any agreements we enter into regarding claim payments, such as the settlement agreements discussed in Note 5 – “Litigation and Contingencies” to our consolidated financial statements. Changes to our estimates could result in a material impact to our results of operations, even in a stable economic environment.

Losses incurred

In the first quarter of 2013, net losses incurred were $266 million, comprised of $269 million of current year loss development partially offset by $3 million of favorable prior years’ loss development. In the first quarter of 2012, net losses incurred were $337 million, comprised of $281 million of current year loss development and $56 million of unfavorable prior years’ loss development.

See Note 12 – “Loss Reserves” to our consolidated financial statements for a discussion of our losses incurred and rescissions.

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Information about the composition of the primary default inventory at March 31, 2013, December 31, 2012 and March 31, 2012 appears in the table below.

	March 31,			December 31,			March 31,
	2013			2012			2012
Total loans delinquent (1)		126,610			139,845			160,473
Percentage of loans delinquent (default rate)		12.83	%		13.90	%		15.09	%
Prime loans delinquent (2)		81,783			90,270			102,884
Percentage of prime loans delinquent (default rate)		9.59	%		10.44	%		11.42	%
A-minus loans delinquent (2)		18,946			20,884			23,002
Percentage of A-minus loans delinquent (default rate)		31.01	%		32.92	%		32.28	%
Subprime credit loans delinquent (2)		6,993			7,668			8,434
Percentage of subprime credit loans delinquent (default rate)		38.46	%		40.78	%		40.88	%
Reduced documentation loans delinquent (3)		18,888			21,023			26,153
Percentage of reduced documentation loans delinquent (default rate)		34.15	%		35.23	%		37.04	%

General Notes: (a) For the information presented, the FICO credit score for a loan with multiple borrowers is the lowest of the borrowers’ “decision FICO scores.” A borrower’s “decision FICO score” is determined as follows: if there are three FICO scores available, the middle FICO score is used; if two FICO scores are available, the lower of the two is used; if only one FICO score is available, it is used.

(b) Servicers continue to pay our premiums for nearly all of the loans in our default inventory, but in some cases, servicers stop paying our premiums.   In those cases, even though the loans continue to be included in our default inventory,the applicable loans are removed from our insurance in force and risk in force. Loans where servicers have stopped paying premiums include 8,481 defaults with a risk of $430.9 million as of March 31, 2013.

(1) At March 31, 2013, December 31, 2012 and March 31, 2012 23,705, 25,282 and 28,225 loans in the default inventory, respectively, related to Wall Street bulk transactions.

(2) We define prime loans as those having FICO credit scores of 620 or greater, A-minus loans as those having FICO credit scores of 575-619, and subprime credit loans as those having FICO credit scores of less than 575, all as reported to us at the time a commitment to insure is issued. Most A-minus and subprime credit loans were written through the bulk channel. However, we classify all loans without complete documentation as “reduced documentation” loans regardless of FICO score rather than as a prime, “A-minus” or “subprime” loan; in the table above, such loans appear only in the reduced documentation category and they do not appear in any of the other categories.

(3) In accordance with industry practice, loans approved by GSE and other automated underwriting (AU) systems under "doc waiver" programs that do not require verification of borrower income are classified by MGIC as "full documentation."   Based in part on information provided by the GSEs, we estimate full documentation loans of this type were approximately 4% of 2007 NIW. Information for other periods is not available. We understand these AU systems grant such doc waivers for loans they judge to have higher credit quality.  We also understand that the GSEs terminated their “doc waiver” programs, with respect to new commitments, in the second half of 2008.

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The primary and pool loss reserves at March 31, 2013, December 31, 2012 and March 31, 2012 appear in the table below.

Gross Reserves	March 31,		December 31,		March 31,
	2013		2012		2012
Primary:
Direct loss reserves (in millions)	$	3,558	$	3,744	$	3,985
Ending default inventory		126,610		139,845		160,473
Average direct reserve per default	$	28,100	$	26,771	$	24,835
Primary claims received inventory included in ending default inventory		10,924		11,731		12,758
Pool (1):
Direct loss reserves (in millions):
With aggregate loss limits (2)	$	108	$	120	$	197
Without aggregate loss limits		19		20		19
Reserves related to Freddie Mac Settlement (2)		157		167		-
Total pool direct loss reserves	$	284	$	307	$	216
Ending default inventory:
With aggregate loss limits (2)		6,648		7,243		25,167
Without aggregate loss limits		1,242		1,351		1,434
Total pool ending default inventory		7,890		8,594		26,601
Pool claims received inventory included in ending default inventory		325		304		893
Other gross reserves (in millions)	$	6	$	6	$	8

(1) Since a number of our pool policies include aggregate loss limits and/or deductibles, we do not disclose an average direct reserve per default for our pool business.

(2) See our Form 8-K filed with the Securities and Exchange Commission on November 30, 2012 for a discussion of our settlement with Freddie Mac regarding a pool policy.

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The primary default inventory and primary loss reserves by region at March 31, 2013, December 31, 2012 and March 31, 2012 appears in the table below.

Losses by Region
Primary Default Inventory
	March 31,		December 31,		March 31,
Region	2013		2012		2012
Great Lakes		14,707		16,538		19,535
Mid-Atlantic		6,408		6,948		7,412
New England		5,795		6,160		6,532
North Central		14,620		16,367		19,040
Northeast		16,601		17,553		17,450
Pacific		11,642		13,235		16,875
Plains		3,645		4,126		4,752
South Central		13,715		15,418		18,359
Southeast		39,477		43,500		50,518
Total		126,610		139,845		160,473

Primary Loss Reserves
(In millions)
	March 31,		December 31,		March 31,
Region	2013		2012		2012
Great Lakes	$	289	$	295	$	314
Mid-Atlantic		158		178		191
New England		153		144		153
North Central		451		445		441
Northeast		367		371		301
Pacific		529		599		696
Plains		63		69		80
South Central		283		301		382
Southeast		1,026		1,089		1,151
Total before IBNR and LAE	$	3,319	$	3,491	$	3,709
IBNR and LAE		239		253		276
Total	$	3,558	$	3,744	$	3,985

Regions contain the states as follows:

Great Lakes:  IN, KY, MI, OH

Mid-Atlantic:  DC, DE, MD, VA, WV

New England:  CT, MA, ME, NH, RI, VT

North Central:  IL, MN, MO, WI

Northeast:  NJ, NY, PA

Pacific:  CA, HI, NV, OR, WA

Plains:  IA, ID, KS, MT, ND, NE, SD, WY

South Central:  AK, AZ, CO, LA, NM, OK, TX, UT

Southeast:  AL, AR, FL, GA, MS, NC, SC, TN

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The primary loss reserves (before IBNR and LAE) at March 31, 2013, December 31, 2012 and March 31, 2012 separated between our flow and bulk business appears in the table below.

Primary loss reserves
(In millions)	March 31,		December 31,		March 31,
	2013		2012		2012
Flow	$	2,460	$	2,586	$	2,687
Bulk		859		905		1,022
Total primary reserves	$	3,319	$	3,491	$	3,709

The average claim paid, as shown in the table below, can vary materially from period to period based upon a variety of factors, on both a national and state basis, including the geographic mix, average loan amount and average coverage percentage of loans for which claims are paid.

The primary average claim paid for the top 5 states (based on 2013 paid claims) for the three months ended March 31, 2013 and 2012 appears in the table below.

Primary average claim paid
	Three Months Ended
	March 31,
	2013		2012
Florida	$	54,750	$	56,754
California		86,943		86,548
Illinois		48,920		47,335
Washington		66,843		68,370
Michigan		31,750		33,227
All other states		41,997		44,109
All states	$	47,421	$	48,900

The primary average loan size of our insurance in force at March 31, 2013, December 31, 2012 and March 31, 2012 appears in the table below.

Primary average loan size	March 31,		December 31,		March 31,
	2013		2012		2012
Total insurance in force	$	161,590	$	161,060	$	158,890
Prime (FICO 620 & >)		163,340		162,450		159,290
A-Minus (FICO 575-619)		128,390		128,850		130,370
Subprime (FICO < 575)		119,540		119,630		120,980
Reduced doc (All FICOs)(1)		185,210		188,210		193,540

(1) In this report we classify loans without complete documentation as "reduced documentation" loans regardless of FICO credit score rather than as prime, "A-" or "subprime" loans; in the table above, such loans appear only in the reduced documentation category and they do not appear in any of the other categories.

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The primary average loan size of our insurance in force at March 31, 2013, December 31, 2012 and March 31, 2012 for the top 5 states (based on 2013 paid claims) appears in the table below.

Primary average loan size	March 31,		December 31,		March 31,
	2013		2012		2012
Florida	$	171,016	$	171,884	$	173,942
California		282,197		281,288		283,211
Illinois		153,997		154,158		154,192
Washington		223,722		223,840		222,493
Michigan		126,269		125,733		124,026
All other states		154,726		154,000		151,417

Information about net paid claims during the three months ended March 31, 2013 and 2012 appears in the table below.

Net paid claims (In millions)
	Three Months Ended
	March 31,
	2013			2012
Prime (FICO 620 & >)	$	329		$	408
A-Minus (FICO 575-619)		49			64
Subprime (FICO < 575)		14			18
Reduced doc (All FICOs)(1)		56			93
Pool (2)		27			99
Other		-			2
Direct losses paid		475			684
Reinsurance		(15	)		(24	)
Net losses paid		460			660
Net LAE paid		9			13
Net losses and LAE paid before terminations		469			673
Reinsurance terminations		(3	)		-
Net losses and LAE paid	$	466		$	673

(1) In this report we classify loans without complete documentation as "reduced documentation" loans regardless of FICO credit score rather than as prime, "A-" or "subprime" loans; in the table above, such loans appear only in the reduced documentation category and they do not appear in any of the other categories.

(2) The first three months of 2013, includes $10 million paid under the terms of the settlement with Freddie Mac.

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Primary claims paid for the top 15 states (based on 2013 paid claims) and all other states for the three months ended March 31, 2013 and 2012 appears in the table below.

Paid Claims by state (In millions)
	Three Months Ended
	March 31,
	2013		2012
Florida	$	72	$	71
California		54		86
Illinois		37		32
Washington		20		19
Michigan		18		29
Georgia		18		29
Arizona		18		34
Ohio		17		17
Nevada		14		28
Wisconsin		12		12
Maryland		11		11
Minnesota		11		16
Texas		11		19
Pennsylvania		10		9
North Carolina		9		12
All other states		116		159
	$	448	$	583
Other (Pool, LAE, Reinsurance)		18		90
Net losses and LAE paid	$	466	$	673

We believe paid claims, on a quarterly basis, will continue to decline.

The primary default inventory for the top 15 states (based on 2013 paid claims) at March 31, 2013, December 31, 2012 and March 31, 2012 appears in the table below.

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Primary default inventory by state
	March 31,		December 31,		March 31,
	2013		2012		2012
Florida		19,906		22,024		26,240
California		5,362		6,201		8,624
Illinois		8,388		9,313		10,658
Washington		2,777		3,053		3,321
Michigan		4,210		4,808		6,222
Georgia		4,474		5,100		5,920
Arizona		1,778		2,161		3,331
Ohio		6,031		6,647		7,557
Nevada		1,736		2,053		2,688
Wisconsin		2,702		3,086		3,552
Maryland		3,243		3,486		3,634
Minnesota		1,699		1,937		2,493
Texas		6,168		6,924		7,690
Pennsylvania		6,031		6,627		6,569
North Carolina		3,528		3,956		4,478
All other states		48,577		52,469		57,496
		126,610		139,845		160,473

The primary default inventory at March 31, 2013, December 31, 2012 and March 31, 2012 separated between our flow and bulk business appears in the table below.

Primary default inventory
	March 31,		December 31,		March 31,
	2013		2012		2012
Flow		97,317		107,497		121,959
Bulk		29,293		32,348		38,514
		126,610		139,845		160,473

The flow default inventory by policy year at March 31, 2013, December 31, 2012 and March 31, 2012 appears in the table below.

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Flow default inventory by policy year
	March 31.		December 31,		March 31,
Policy year:	2013		2012		2012
2003 and prior		13,333		14,888		17,401
2004		7,419		8,142		9,178
2005		11,376		12,582		14,385
2006		16,537		18,257		20,841
2007		36,352		40,357		45,844
2008		10,933		11,914		13,233
2009		842		901		843
2010		303		264		199
2011		164		148		35
2012		58		44		-
		97,317		107,497		121,959

As of March 31, 2013, 29% of our primary insurance in force was written subsequent to December 31, 2009, 34% of our primary insurance in force was written subsequent to December 31, 2008, and 48% of our primary insurance in force was written subsequent to December 31, 2007. On our flow business, the highest claim frequency years have typically been the third and fourth year after the year of loan origination. On our bulk business, the period of highest claims frequency has generally occurred earlier than in the historical pattern on our flow business. However, the pattern of claims frequency can be affected by many factors, including persistency and deteriorating economic conditions. Low persistency can accelerate the period in the life of a book during which the highest claim frequency occurs. Deteriorating economic conditions can result in increasing claims following a period of declining claims.

Premium deficiency

Beginning in 2007, when we stopped writing Wall Street bulk business, we began to separately measure the performance of these transactions and established a premium deficiency reserve related to this business. The premium deficiency reserve reflects the present value of expected future losses and expenses that exceeded the present value of expected future premiums and already established loss reserves. This premium deficiency reserve as of March 31, 2013 was $72 million. The discount rate used in the calculation of the premium deficiency reserve at March 31, 2013 was 1.2%.

See Note 13 – “Premium Deficiency Reserve” to our consolidated financial statements for a discussion of our premium deficiency reserve.

Underwriting and other expenses

Underwriting and other expenses for the first quarter of 2013 remained flat compared to the first quarter of 2012.

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Ratios

The table below presents our GAAP loss, expense and combined ratios for our combined insurance operations for the three months ended March 31, 2013 and 2012.

	Three Months Ended
	March 31,
	2013			2012
Loss ratio		107.8	%		128.5	%
Underwriting expense ratio		18.0	%		16.7	%
Combined ratio		125.8	%		145.2	%

The loss ratio is the ratio, expressed as a percentage, of the sum of incurred losses and loss adjustment expenses to net premiums earned. The loss ratio does not reflect any effects due to premium deficiency. The decrease in the loss ratio in the first quarter of 2013, compared to the same period in 2012, was due to a decrease in losses incurred, partially offset by a decrease in premiums earned. The underwriting expense ratio is the ratio, expressed as a percentage, of underwriting expenses to net premiums written. The increase in the expense ratio in the first quarter of 2013, compared to the same period in 2012, was due to a decrease in net premiums written as well as an increase in underwriting expenses for our combined insurance operations. The combined ratio is the sum of the loss ratio and the expense ratio.

Interest expense

Interest expense for the first quarter of 2013 increased when compared to the same period in 2012. The increase is primarily related to an increase in amortization on our junior debentures, as well as our issuance of 2% Convertible Senior Notes in March 2013, somewhat offset by lower interest on our Senior Notes due to repayments and repurchases.

Income taxes

The effective tax rate provision on our pre-tax loss was 1.6% and 7.5% in the first quarter of 2013 and 2012, respectively. During those periods, the benefit from income taxes was reduced by the recognition of a valuation allowance.

See Note 11 – “Income Taxes” to our consolidated financial statements for a discussion of our tax position.

Financial Condition

At March 31, 2013 the total fair value of our investment portfolio was $4.5 billion. In addition, at March 31, 2013 our total assets included approximately $1.6 billion of cash and cash equivalents as shown on our consolidated balance sheet. At March 31, 2013, based on fair value, virtually all of our fixed income securities were investment grade securities. The percentage of investments rated BBB may increase as we reinvest to achieve higher yields and, in part, due to the reduced availability of highly rated corporate securities. Lower rated investments have greater risk. More than 99% of our fixed income securities are readily marketable. The composition of ratings at March 31, 2013, December 31, 2012 and March 31, 2012 are shown in the table below.

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Investment Portfolio Ratings
	March 31,			December 31,			March 31,
	2013			2012			2012
AAA		50	%		52	%		32	%
AA		14	%		15	%		25	%
A		25	%		22	%		30	%
BBB		11	%		11	%		13	%
Investment grade		100	%		100	%		100	%
Below investment grade		-			-			-
Total		100	%		100	%		100	%

The ratings above are provided by one or more of: Moody’s, Standard & Poor’s and Fitch Ratings. If three ratings are available the middle rating is utilized, otherwise the lowest rating is utilized.

Approximately 3% of our investment portfolio, excluding cash and cash equivalents, is guaranteed by financial guarantors.  We evaluate the credit risk of securities through analysis of the underlying fundamentals. The extent of our analysis depends on a variety of factors, including the issuer’s sector, scale, profitability, debt cover, ratings and the tenor of the investment.  At March 31, 2013, less than 1% of our fixed income securities were relying on financial guaranty insurance to elevate their rating.

We primarily place our investments in investment grade securities pursuant to our investment policy guidelines. The policy guidelines also limit the amount of our credit exposure to any one issue, issuer and type of instrument. At March 31, 2013, the modified duration of our fixed income investment portfolio was 3.0 years, which means that an instantaneous parallel shift in the yield curve of 100 basis points would result in a change of 3.0% in the fair value of our fixed income portfolio. For an upward shift in the yield curve, the fair value of our portfolio would decrease and for a downward shift in the yield curve, the fair value would increase. See Note 7 – “Investments” to our consolidated financial statements for additional disclosure surrounding our investment portfolio.

At March 31, 2013, we had outstanding $100.1 million, 5.375% Senior Notes due in November 2015, with an approximate fair value of $98 million, $345 million principal amount of 5% Convertible Senior Notes outstanding due in 2017, with an approximate fair value of $342 million, $500 million principal amount of 2% Convertible Senior Notes outstanding due in 2020, with an approximate fair value of $512 million and $389.5 million principal amount of 9% Convertible Junior Subordinated Debentures due in 2063 outstanding, with an approximate fair value of $390 million. See Note 3 – “Debt” to our consolidated financial statements for additional disclosure on our debt.

See Note 11 – “Income Taxes” to our consolidated financial statements for a description of our federal income tax contingencies.

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Our principal exposure to loss is our obligation to pay claims under MGIC’s mortgage guaranty insurance policies. At March 31, 2013, MGIC’s direct (before any reinsurance) primary and pool risk in force, which is the unpaid principal balance of insured loans as reflected in our records multiplied by the coverage percentage, and taking account of any loss limit, was approximately $42.3 billion. In addition, as part of our contract underwriting activities provided through a non-insurance subsidiary, that subsidiary is responsible for the quality of the underwriting decisions in accordance with the terms of the contract underwriting agreements with customers. That subsidiary may be required to provide certain remedies to our customers if certain standards relating to the quality of our underwriting work are not met, and we have an established reserve for such future obligations. These obligations have been primarily funded by contributions from our holding company and, in part, from the operations of the subsidiary. A generally positive economic environment for residential real estate that continued until approximately 2007 may have mitigated the effect of some of these costs in previous years. Historically, a material portion of our new insurance written through the flow channel has involved loans for which that subsidiary provided contract underwriting services, including new insurance written between 2006 and 2008. Claims for remedies may be made a number of years after the underwriting work was performed. We believe the rescission of mortgage insurance coverage on loans for which the subsidiary provided contract underwriting services may make a claim for a contract underwriting remedy more likely to occur. Beginning in the second half of 2009, our subsidiary has experienced an increase in claims for contract underwriting remedies, which continued throughout 2012. The related contract underwriting remedy expense was approximately $27 million, $23 million and $19 million for the years ended December 31, 2012, 2011 and 2010. The underwriting remedy expense for each of the first three months of 2013 and 2012 was not significant. We expect to pay remedy claims in the next two years in amounts similar to what we have paid in recent years, and to fund these payments through capital contributions to MGIC and its affiliates from our holding company’s cash and investments.

Liquidity and Capital Resources

Overview

Our sources of funds consist primarily of:

· our investment portfolio (which is discussed in “Financial Condition” above), and interest income on the portfolio,

· net premiums that we will receive from our existing insurance in force as well as policies that we write in the future and

· amounts that we expect to recover from captives (which is discussed in “Results of Consolidated Operations – Risk sharing arrangements” above).

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Our obligations consist primarily of:

· claim payments under MGIC’s mortgage guaranty insurance policies,

· $100 million of 5.375% Senior Notes due in November 2015,

· $345 million of 5% Convertible Senior Notes due in 2017,

· $500 million of 2% Convertible Senior Notes due in 2020,

· $390 million of 9% Convertible Junior Debentures due in 2063,

· interest on the foregoing debt instruments,  and

· the other costs and operating expenses of our business.

Subject to certain limitations and restrictions, holders of each of the convertible issuesmay convert their notes into shares of our common stock at their option prior to certain dates prescribed under the terms of their issuance, in which case our corresponding obligation will be eliminated.

Since 2009, our claim payments have exceeded our premiums received. We expect that this trend will continue. Due to the uncertainty regarding how factors such as foreclosure moratoriums, servicing and court delays, failures by servicers to follow proper procedures in foreclosure proceedings, loan modifications and claims investigations and rescissions, will affect our future paid claims it has become even more difficult to estimate the amount and timing of future claim payments. When we experience cash shortfalls, we can fund them through sales of short-term investments and other investment portfolio securities, subject to insurance regulatory requirements regarding the payment of dividends to the extent funds were required by an entity other than the seller. In addition, we align the maturities of our investment portfolio with our estimate of future obligations. A significant portion of our investment portfolio securities are held by our insurance subsidiaries. As long as the trends discussed above continue, we expect to experience significant declines in our investment portfolio.

The following table summarizes our consolidated cash flows from operating, investing and financing activities:

	For the Three Months ended March 31,
	2013			2012
	(In thousands)
Total cash (used in) provided by:
Operating activities	$	(251,709	)	$	(423,615	)
Investing activities		(288,318	)		330,422
Financing activities		1,148,212			-
Increase (decrease) in cash and cash equivalents	$	608,185		$	(93,193	)

Cash used in operating activities for the first quarter of 2013 was lower compared to the same period in 2012 primarily due to a decrease in losses paid, partially offset by a decrease in premiums collected.

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Cash used in investing activities for the first quarter of 2013 was higher compared to the same period in 2012 due to investment activity related to the proceeds from our concurrent common stock and convertible senior notes offerings in March 2013 discussed in Note 3 – “Debt” and Note 14 – “Shareholders’ Equity” to our consolidated financial statements as well as our election in the first quarter of 2012 to realize gains by selling certain securities. The increase in cash provided from financing activities in the first quarter of 2013, compared to the same period in 2012, was also related to these offerings.

Debt at Our Holding Company and Holding Company Capital Resources

See Note 3 – “Debt” and Note 14 – “Shareholders’ Equity” for information related to our sale of common stock and issuance of convertible senior notes in March 2013.

The senior notes, convertible senior notes and convertible debentures are obligations of MGIC Investment Corporation and not of its subsidiaries. The payment of dividends from our insurance subsidiaries, which prior to raising capital in the public markets in 2008, 2010 and 2013 had been the principal source of our holding company cash inflow, is restricted by insurance regulation. MGIC is the principal source of dividend-paying capacity.  Since 2008, MGIC has not paid any dividends to our holding company. Through 2013, MGIC cannot pay any dividends to our holding company without approval from the OCI. In connection with the approval of MIC as an eligible mortgage insurer, Freddie Mac and Fannie Mae have imposed dividend restrictions on MGIC and MIC through December 31, 2013.

At March 31, 2013, we had approximately $671 million in cash and investments at our holding company.

As of March 31, 2013, our holding company’s debt obligations were $1,335 million in par value consisting of:

· $100 million in par value of 5.375% Senior Notes due in November 2015, with an annual interest cost of $5 million;

· $345 million in par value of 5% Convertible Senior Notes due in 2017, with an annual interest cost of $17 million;

· $500 million in par value of 2% Convertible Senior Notes due in 2020, with an annual interest cost of $10 million; and

· $390 million in par value of 9% Convertible Junior Debentures due in 2063, with an annual interest cost of $35 million

See Note 3 – “Debt” to our consolidated financial statements for additional information about this indebtedness, including restrictive covenants in our Senior Notes and our option to defer interest on our Convertible Junior Debentures. Any deferred interest compounds at the stated rate of 9%. The description in Note 3 - “Debt" to our consolidated financial statements is qualified in its entirety by the terms of the notes and debentures. The terms of our Senior Notes are contained in the Officer's Certficate, dated as of October 4, 2005, which specifies the interest rate, maturity date and other terms, and in the Indenture dated as of October 15, 2000, between us and the trustee, included as an exhibit to our Form 8-K filed with the SEC on October 19, 2000 (the "2000 Indenture"). The terms of our 5% Convertible Senior Notes are contained in a Supplemental Indenture, dated as of April 26, 2010, between us and U.S. Bank National Association, as trustee, which is included as an exhibit to our 8-K filed with the SEC on April 30, 2010, and in the 2000 Indenture. The terms of our 2% Convertible Senior Notes are contained in a Second Supplemental Indenture, dated as of March 12, 2013, between us and U.S. Bank National Association, as trustee, and the Indenture dated as of October 15, 2000, between us and the trustee. The terms of our Convertible Junior Debentures are contained in the Indenture dated as of March 28, 2008, between us and U.S. Bank National Association filed as an exhibit to our Form 10-Q filed with the SEC on May 12, 2008.

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Our holding company has no other material sources of cash inflows other than investment income. Furthermore, our holding company contributed $800 million in the first quarter of 2013, $100 million in December 2012 and $200 million in December 2011 to support its insurance operations. Any further contributions to our insurance operations or other non-insurance affiliates would further decrease our holding company cash and investments. See discussion of our non-insurance contract underwriting services under “Financial Condition” above and in Note 5 – “Litigation and Contingencies” to our consolidated financial statements.

In the second quarter of 2012, we repurchased for cash approximately $70.9 million in par value of our 5.375% Senior Notes due in November 2015, at a cost of $53.1 million. We recognized $17.8 million in gains on the repurchases, which is included in other revenue on the Consolidated Statements of Operations for the year ended December 31, 2012. We may from time to time continue to seek to acquire our debt obligations through cash purchases and/or exchanges for other securities.  We may do this in open market purchases, privately negotiated acquisitions or other transactions. The amounts involved may be material.

Risk-to-Capital

We compute our risk-to-capital ratio on a separate company statutory basis, as well as for our combined insurance operations. The risk-to-capital ratio is our net risk in force divided by our policyholders’ position. Our net risk in force includes both primary and pool risk in force, and excludes risk on policies that are currently in default and for which loss reserves have been established. The risk amount includes pools of loans or bulk deals with contractual aggregate loss limits and in some cases without these limits. Policyholders’ position consists primarily of statutory policyholders’ surplus (which increases as a result of statutory net income and decreases as a result of statutory net loss and dividends paid), plus the statutory contingency reserve. The statutory contingency reserve is reported as a liability on the statutory balance sheet. A mortgage insurance company is required to make annual contributions to the contingency reserve of approximately 50% of net earned premiums. These contributions must generally be maintained for a period of ten years.  However, with regulatory approval a mortgage insurance company may make early withdrawals from the contingency reserve when incurred losses exceed 35% of net earned premium in a calendar year.

The premium deficiency reserve discussed in Note 13 – “Premium Deficiency Reserve” to our consolidated financial statements is not recorded as a liability on the statutory balance sheet and is not a component of statutory net income. The present value of expected future premiums and already established loss reserves and statutory contingency reserves, exceeds the present value of expected future losses and expenses on our total in force book, so no deficiency is recorded on a statutory basis. On a GAAP basis, contingency loss reserves are not established and thus not considered when calculating premium deficiency reserve and policies are grouped based on how they are acquired, serviced and measured.

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MGIC’s separate company preliminary risk-to-capital calculation appears in the table below.

	March 31,		December 31,
	2013		2012
	(In millions, except ratio)
Risk in force - net (1)	$	30,533	$	30,802
Statutory policyholders' surplus	$	1,496	$	689
Statutory contingency reserve		-		-
Statutory policyholders' position	$	1,496	$	689
Risk-to-capital	20.4:1		44.7:1

(1) Risk in force – net, as shown in the table above, is net of reinsurance and exposure on policies currently in default and for which loss reserves have been established.

Our combined insurance companies’ preliminary risk-to-capital calculation appears in the table below.

	March 31,		December 31,
	2013		2012
	(In millions, except ratio)
Risk in force - net (1)	$	36,100	$	36,113
Statutory policyholders' surplus	$	1,555	$	749
Statutory contingency reserve		8		6
Statutory policyholders' position	$	1,563	$	755
Risk-to-capital	23.1:1		47.8:1

(1) Risk in force – net, as shown in the table above, is net of reinsurance and exposure on policies currently in default ($6.0 billion at March 31, 2013 and $6.5 billion at December 31, 2012) and for which loss reserves have been established.

Statutory policyholders’ position increased in the first quarter of 2013, due to an $800 million capital contribution to MGIC from part of the proceeds from our March 2013 sale of common stock and issuance of convertible senior notes, partially offset by operating losses. Our risk-to-capital ratio will increase if the percentage decrease in capital exceeds the percentage decrease in insured risk.  Therefore, as capital decreases, the same dollar decrease in capital will cause a greater percentage decrease in capital and a greater increase in the risk-to-capital ratio.

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For additional information regarding regulatory capital see Note 1 – “Basis of Presentation – Capital” to our consolidated financial statements as well as our risk factor titled “Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.”

Financial Strength Ratings

The financial strength of MGIC, our principal mortgage insurance subsidiary, is rated B2 by Moody’s Investors Service and is on review for upgrade. Standard & Poor’s Rating Services’ insurer financial strength rating of MGIC is B with a stable outlook. For further information about the importance of MGIC’s ratings, see our risk factor titled “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements.”

The financial strength of MIC, a subsidiary of MGIC, is rated Ba3 by Moody’s Investors Service. Standard & Poor’s Rating Services’ insurer financial strength rating of MIC is B with a stable outlook. For further information about the importance of MIC’s ratings, see our risk factor titled “Competition or changes in our relationships with our customers could reduce our revenues or increase our losses” in Item 1A.

Contractual Obligations

At March 31, 2013, the approximate future payments under our contractual obligations of the type described in the table below are as follows:

	Payments due by period
Contractual Obligations (In millions):			Less than						More than
	Total		1 year		1-3 years		3-5 years		5 years
Long-term debt obligations	$	3,288	$	82	$	235	$	461	$	2,510
Operating lease obligations		7		4		2		1		-
Tax obligations		18		-		-		18		-
Purchase obligations		2		1		1		-		-
Pension, SERP and other post-retirement benefit plans		174		11		27		31		105
Other long-term liabilities		3,848		1,886		1,578		384		-
Total	$	7,337	$	1,984	$	1,843	$	895	$	2,615

Our long-term debt obligations at March 31, 2013 include, $100.1 million of 5.375% Senior Notes due in November 2015, $345.0 million of 5% Convertible Senior Notes due in 2017, $500 million 2% Convertible Senior Notes due in 2020 and $389.5 million in convertible debentures due in 2063, including related interest, as discussed in Note 3 – “Debt” to our consolidated financial statements and under “Liquidity and Capital Resources” above. Our operating lease obligations include operating leases on certain office space, data processing equipment and autos, as discussed in Note 19 – “Leases” to our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2012. Tax obligations consist primarily of amounts related to our current dispute with the IRS, as discussed in Note 11 – “Income Taxes.” Purchase obligations consist primarily of agreements to purchase data processing hardware or services made in the normal course of business. See Note 13 – “Benefit Plans” to our consolidated financial statements in our Annual Report on Form 10-K for the year ended December 31, 2012 for discussion of expected benefit payments under our benefit plans.

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Our other long-term liabilities represent the loss reserves established to recognize the liability for losses and loss adjustment expenses related to defaults on insured mortgage loans. The timing of the future claim payments associated with the established loss reserves was determined primarily based on two key assumptions: the length of time it takes for a notice of default to develop into a received claim and the length of time it takes for a received claim to be ultimately paid. The future claim payment periods are estimated based on historical experience, and could emerge significantly different than this estimate.  Due to the uncertainty regarding how certain factors, such as foreclosure moratoriums, servicing and court delays, failures by servicers to follow proper procedures in foreclosure proceedings, loan modifications, claims investigations and claim rescissions, will affect our future paid claims it has become even more difficult to estimate the amount and timing of future claim payments. Current conditions in the housing and mortgage industries make all of the assumptions discussed in this paragraph more volatile than they would otherwise be. See Note 12 – “Loss Reserves” to our consolidated financial statements and “-Critical Accounting Policies” in our 10-K MD&A. In accordance with GAAP for the mortgage insurance industry, we establish loss reserves only for loans in default. Because our reserving method does not take account of the impact of future losses that could occur from loans that are not delinquent, our obligation for ultimate losses that we expect to occur under our policies in force at any period end is not reflected in our financial statements or in the table above.

Forward Looking Statements and Risk Factors

General:  Our revenues and losses could be affected by the risk factors referred to under “Location of Risk Factors” below. These risk factors are an integral part of Management’s Discussion and Analysis.

These factors may also cause actual results to differ materially from the results contemplated by forward looking statements that we may make. Forward looking statements consist of statements which relate to matters other than historical fact. Among others, statements that include words such as we “believe,” “anticipate” or “expect,” or words of similar import, are forward looking statements. We are not undertaking any obligation to update any forward looking statements we may make even though these statements may be affected by events or circumstances occurring after the forward looking statements were made. Therefore no reader of this document should rely on these statements being current as of any time other than the time at which this document was filed with the Securities and Exchange Commission.

Location of Risk Factors:  The risk factors are in Item 1 A of our Annual Report on Form 10-K for the year ended December 31, 2012, as supplemented by Part II, Item 1 A of this Quarterly Report on Form 10-Q.  The risk factors in the 10-K, as supplemented by this 10-Q and through updating of various statistical and other information, are reproduced in Exhibit 99 to this Quarterly Report on Form 10-Q.

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Item 3. Quantitative and Qualitative Disclosures about Market Risk

At March 31, 2013, the derivative financial instruments in our investment portfolio were immaterial. We place our investments in instruments that meet high credit quality standards, as specified in our investment policy guidelines; the policy also limits the amount of credit exposure to any one issue, issuer and type of instrument. At March 31, 2013, the modified duration of our fixed income investment portfolio was 3.0 years, which means that an instantaneous parallel shift in the yield curve of 100 basis points would result in a change of 3.0% in the market value of our fixed income portfolio. For an upward shift in the yield curve, the market value of our portfolio would decrease and for a downward shift in the yield curve, the market value would increase.

Item 4. Controls and Procedures

Our management, with the participation of our principal executive officer and principal financial officer, has evaluated our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended), as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on such evaluation, our principal executive officer and principal financial officer concluded that such controls and procedures were effective as of the end of such period. There was no change in our internal control over financial reporting that occurred during the first quarter of 2013 that materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II.  OTHER INFORMATION

Item 1. Legal Proceedings

In our Form 10-K for the year ended December 31, 2012, we reported that we are named as a defendant in various purported class action cases naming various mortgage lenders and mortgage insurers as defendants. The complaints in those cases allege various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the mortgage insurer defendants violated RESPA by paying excessive premiums to the lenders’ captive reinsurer in relation to the risk assumed by that captive. The complaint originally filed April 5, 2012 in the U.S. District Court for the Eastern District of Pennsylvania was dismissed with respect to MGIC in March 2013. The dismissal brings the total number of active cases to eight.

In our Form 10-K for the year ended December 31, 2012, we reported that the Consumer Financial Protection Bureau (“CFPB”) had been investigating captive mortgage reinsurance premium ceding practices by private mortgage insurers and that we received a Civil Investigative Demand from the CFPB in June 2012. In April 2013, the U.S. District Court for the Southern District of Florida approved a settlement with the CFPB that concludes the investigation with respect to MGIC without the CFPB making any findings of wrongdoing. As part of the settlement, MGIC agreed that it would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. MGIC had voluntarily suspended most of its captive arrangements in 2008 in response to market conditions and GSE requests. In connection with the settlement, MGIC paid a civil penalty of $2.65 million.

In our Form 10-K for the year ended December 31, 2012, we reported that MGIC had been involved in legal proceedings since 2009 with Countrywide Home Loans, Inc. (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”) in which Countrywide alleged that MGIC refused to pay valid mortgage insurance claims. We also reported that in the fourth quarter of 2012, the Company recorded an increase in its loss reserves of an aggregate of $100 million in connection with its determination that a settlement of this litigation with Countrywide and another settlement with another customer were probable under ASC 450-20.

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On April 19, 2013, MGIC entered into separate settlement agreements with BANA and CHL, pursuant to which the parties will settle the Countrywide litigation as it relates to MGIC’s rescission and denial practices. These settlement agreements (the “Agreements”), including consents and approvals that must be obtained before they are implemented, are described in our Form 8-K filed with the SEC on April 25, 2013. The Agreements are also filed as exhibits to that Form 8-K, although certain portions of the Agreements are redacted and covered by a confidential treatment request. While there can be no assurance that the Agreements will be implemented, we have determined that their implementation is probable.

Under the Agreements, the parties are seeking to stay their pending arbitration proceedings. Upon implementation of the Agreement with BANA, the pending arbitration proceedings concerning the loans covered by that Agreement will be dismissed, and the parties will provide mutual releases. Upon obtaining a specified number of consents by or on behalf of the investors in loans covered by the Agreement with CHL (“investors”) and also upon the conclusion of the period in the Agreement with CHL for obtaining consents by or on behalf of the investors, all legal proceedings will be dismissed and the parties will provide mutual releases, in each case limited as to the loans held by the investors that consent to that Agreement.

The Agreements do not resolve assertions by Countrywide that MGIC has improperly curtailed numerous insurance coverage claims. Countrywide has asserted that the amount of disputed curtailments approximates $40 million. MGIC, BANA and CHL have separately agreed to mediate this matter and to enter into arbitration if the mediation does not resolve the matter.

Item 1 A.  Risk Factors

With the exception of the changes described and set forth below, there have been no material changes in our risk factors from the risk factors disclosed in the Company’s Annual Report on Form 10-K for the year ended December 31, 2012. The risk factors in the 10-K, as supplemented by this 10-Q and through updating of various statistical and other information, are reproduced in their entirety in Exhibit 99 to this Quarterly Report on Form 10-Q.

Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “Capital Requirements.” While they vary among jurisdictions, the most common Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if the percentage decrease in capital exceeds the percentage decrease in insured risk. Therefore, as capital decreases, the same dollar decrease in capital will cause a greater percentage decrease in capital and a greater increase in the risk-to-capital ratio. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

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During part of 2012 and 2013, MGIC’s risk-to-capital ratio exceeded 25 to 1. In March 2013, our holding company issued additional equity and convertible debt securities and transferred $800 million to increase MGIC’s capital. As a result, at March 31, 2013, MGIC’s preliminary risk-to-capital ratio was 20.4 to 1, below the maximum allowed by the jurisdictions with Capital Requirements, and its preliminary policyholder position was $168 million above the required MPP of $1.2 billion. At March 31, 2013, the preliminary risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 23.1 to 1. A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance arrangements with its subsidiaries or subsidiaries of our holding company, additional capital contributions to the reinsurance affiliates could be needed. These reinsurance arrangements permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements.

At this time, we expect MGIC to continue to comply with the current Capital Requirements, although you should read the rest of these risk factors for information about factors that could negatively affect such compliance. The remainder of the discussion in this risk factor addresses circumstances that would be significant if we were not in such compliance.

The Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”) has waived MGIC’s compliance with Wisconsin’s Capital Requirements until December 31, 2013 (the “OCI Waiver”). The OCI Waiver, including the alternative capital requirements for MGIC, is summarized more fully in, and included as an exhibit to, our Form 8-K filed with the SEC on January 24, 2012. The OCI, in its sole discretion, may modify, terminate or extend the OCI Waiver. If the OCI modifies or terminates its waiver, or if it fails to renew its waiver upon expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in all jurisdictions. We cannot assure you that MGIC will comply with the Capital Requirements in the future. If MGIC were prevented from writing new business in all jurisdictions, our insurance operations in MGIC would be in run-off (meaning no new loans would be insured but loans previously insured would continue to be covered, with premiums continuing to be received and losses continuing to be paid on those loans) until MGIC either met the Capital Requirements or obtained a necessary waiver to allow it to once again write new business.

MGIC applied for waivers in the other jurisdictions with Capital Requirements and received waivers from some of them. Insurance departments, in their sole discretion, may modify, terminate or extend their waivers of Capital Requirements. If an insurance department other than the OCI modifies or terminates its waiver, or if it fails to grant a waiver or renew its waiver after expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in that particular jurisdiction. New insurance written in the jurisdictions that have Capital Requirements represented approximately 50% of our new insurance written in 2012 and the first quarter of 2013. Depending on the level of losses that MGIC experiences in the future, it is possible that regulatory action by one or more jurisdictions, including those that do not have specific Capital Requirements, may prevent MGIC from continuing to write new insurance in that jurisdiction. The National Association of Insurance Commissioners (“NAIC”) is reviewing the minimum capital and surplus requirements for mortgage insurers, although it has not established a date by which it must make proposals to change such requirements. Depending on the scope of proposals made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such proposals. The GSEs are also developing new capital standards for mortgage insurers. See “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements.”

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A possible future failure by MGIC to meet the Capital Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, we cannot assure you that events that may lead MGIC to fail to meet Capital Requirements would not also result in it not having sufficient claims paying resources. Furthermore, our estimates of MGIC’s claims paying resources and claim obligations are based on various assumptions. These assumptions include the timing of the receipt of claims on loans in our delinquency inventory and future claims that we anticipate will ultimately be received, our anticipated rescission activity, premiums, housing values and unemployment rates. These assumptions are subject to inherent uncertainty and require judgment by management. Current conditions in the domestic economy make the assumptions about when anticipated claims will be received, housing values, and unemployment rates highly volatile in the sense that there is a wide range of reasonably possible outcomes. Our anticipated rescission activity is also subject to inherent uncertainty due to the difficulty of predicting the amount of claims that will be rescinded and the outcome of any legal proceedings or settlement discussions related to rescissions. You should read the rest of these risk factors for additional information about factors that could negatively affect MGIC’s claims paying resources.

We have in place a longstanding plan to write new business in MIC, a direct subsidiary of MGIC, if MGIC is unable to do so. During 2012, MIC began writing new business on the same policy terms as MGIC in the jurisdictions where MGIC did not have active waivers of the Capital Requirements. Because MGIC again meets the Capital Requirements, MGIC will again be writing new business in all jurisdictions and MIC will suspend writing new business. As of March 31, 2013, MIC had statutory capital of $450 million and risk in force of approximately $800 million. MIC is licensed to write business in all jurisdictions and, subject to the conditions and restrictions discussed below, has received the necessary approvals from Fannie Mae and Freddie Mac (the “GSEs”) and the OCI to write business in all of the jurisdictions where MGIC may become unable to do so because those jurisdictions have not waived their Capital Requirements for MGIC.

Under an agreement in place with Fannie Mae, as amended November 30, 2012, MIC will be eligible to write mortgage insurance through December 31, 2013, in those jurisdictions (other than Wisconsin) in which MGIC cannot write new insurance due to MGIC’s failure to meet Capital Requirements and to obtain a waiver of them. MIC is also approved to write mortgage insurance for 60 days in jurisdictions that do not have Capital Requirements if a jurisdiction notifies MGIC that, due to its financial condition, it may no longer write new business. The agreement with Fannie Mae, including certain conditions and restrictions to its continued effectiveness, is summarized more fully in, and included as an exhibit to, our Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on November 30, 2012. Such conditions include the continued effectiveness of the OCI Waiver.

Under a letter from Freddie Mac that was amended and restated as of November 30, 2012, Freddie Mac approved MIC to write business only in those jurisdictions (other than Wisconsin) where either (a) MGIC is unable to write business because it does not meet the Capital Requirements and does not obtain waivers of them, or (b) MGIC receives notice that it may not write business because of that jurisdiction’s view of MGIC’s financial condition. This approval of MIC, which may be withdrawn at any time, expires December 31, 2013, or earlier if a financial examination by the OCI determines that there is a reasonable probability that MGIC will be unable to honor claim obligations at any time in the five years after the examination, or if MGIC fails to honor claim payments. The approval from Freddie Mac, including certain conditions and restrictions to its continued effectiveness, is summarized more fully in, and included as an exhibit to, our Form 8-K filed with the SEC on November 30, 2012. Such conditions include requirements that MIC not exceed a risk-to-capital ratio of 18:1 (at March 31, 2013, MIC’s preliminary risk-to-capital ratio was 1.8 to 1); MGIC and MIC comply with all terms and conditions of the OCI Waiver; the OCI Waiver remain effective; and MIC provide MGIC access to the capital of MIC in an amount necessary for MGIC to maintain sufficient liquidity to satisfy its obligations under insurance policies issued by MGIC.

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On November 29, 2012, the OCI issued an order, effective until December 31, 2013, establishing a procedure for MIC to pay a dividend to MGIC if either of the following two events occurs: (1) an OCI examination determines that there is a reasonable probability that MGIC will be unable to honor its policy obligations at any time during the five years after the examination, or (2) MGIC fails to honor its policy obligations that it in good faith believes are valid. If one of these events occurs, the OCI is to conduct a review (to be completed within 60 days after the triggering event) to determine the maximum single dividend MIC could prudently pay to MGIC for the benefit of MGIC’s policyholders, taking account of the interests of MIC’s policyholders and the general public and certain standards for dividends imposed by Wisconsin law. Upon the completion of the review, the OCI will authorize, and MIC will pay, such a dividend within 30 days.

We cannot assure you that the GSEs will approve or continue to approve MIC to write new business in all jurisdictions in which MGIC may become unable to do so, or that they will extend their approvals upon expiration. If one GSE does not approve MIC in all jurisdictions in which MGIC becomes unable to write new business, MIC may be able to write insurance on loans that will be sold to the other GSE or retained by private investors. However, because lenders may not know which GSE will purchase their loans until mortgage insurance has been procured, lenders may be unwilling to procure mortgage insurance from MIC. Furthermore, if we are unable to write business in all jurisdictions utilizing a combination of MGIC and MIC, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the financial strength of our insurance operations may affect its willingness to procure insurance from us. In this regard, see “— Competition or changes in our relationships with our customers could reduce our revenues or increase our losses.”

We may not continue to meet the GSEs’ mortgage insurer eligibility requirements.

Substantially all of our insurance written is for loans sold to Fannie Mae and Freddie Mac, each of which has mortgage insurer eligibility requirements to maintain the highest level of eligibility, including a financial strength rating of Aa3/AA-. Because MGIC does not meet such financial strength rating requirements of Fannie Mae and Freddie Mac (its financial strength rating from Moody’s is B2 (on review for upgrade) and from Standard & Poor’s is B (with a stable outlook)), MGIC is currently operating with each GSE as an eligible insurer under a remediation plan. We believe that the GSEs view remediation plans as a continuing process of interaction with a mortgage insurer and MGIC will continue to operate under a remediation plan for the foreseeable future. There can be no assurance that MGIC will be able to continue to operate as an eligible mortgage insurer under a remediation plan. In particular, the GSEs are currently in discussions with mortgage insurers regarding their standard mortgage insurer eligibility requirements. The FHFA and the GSEs are separately developing mortgage insurer capital standards that would replace the use of external credit ratings. Revised capital standards are expected to be released in 2013, however the timing of their implementation is unknown. The GSEs may include any new eligibility requirements as part of our current remediation plan. MIC’s financial strength rating from Moody’s is Ba3 and from Standard & Poor’s is B (with a stable outlook). Therefore, MIC also does not meet the current financial strength rating requirements of the GSEs and has been operating with each GSE as an eligible insurer under the approvals discussed above. See “— Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.” If MGIC or MIC cease to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

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Our losses could increase if we do not prevail in proceedings challenging whether our rescissions were proper or we enter into material resolution arrangements.

Prior to 2008, rescissions of coverage on loans were not a material portion of our claims resolved during a year. However, beginning in 2008, our rescissions of coverage on loans have materially mitigated our paid losses. In 2009 through 2011, rescissions mitigated our paid losses in the aggregate by approximately $3.0 billion; and in 2012 and the first quarter of 2013, rescissions mitigated our paid losses by approximately $0.3 billion and $35 million, respectively (in each case, the figure includes amounts that would have either resulted in a claim payment or been charged to a deductible under a bulk or pool policy, and may have been charged to a captive reinsurer). In recent quarters, less than 8% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009.

Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, the number of rescissions that we have reversed has been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of claims investigations, litigation, settlements or other factors, could materially affect our losses. See “— Because loss reserve estimates are subject to uncertainties and are based on assumptions that are currently very volatile, paid claims may be substantially different than our loss reserves.” We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010. In 2011, we estimate that rescissions had no significant impact on our losses incurred. All of these figures include the benefit of claims not paid in the period as well as the impact of changes in our estimated expected rescission activity on our loss reserves in the period. In 2012, we estimate that our rescission benefit in loss reserves was reduced by $0.2 billion due to probable rescission settlement agreements. We estimate that other rescissions had no significant impact on our losses incurred in 2012 or in the first quarter of 2013.

If the insured disputes our right to rescind coverage, the outcome of the dispute ultimately would be determined by legal proceedings. Under our policies, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, although in a few jurisdictions there is a longer time to bring such an action. For approximately 40% of our rescissions since the beginning of 2009 that are not subject to a settlement agreement, this period in which a dispute may be brought has not ended. Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider a rescission resolved for financial reporting purposes even though legal proceedings have been initiated and are ongoing. Although it is reasonably possible that, when the proceedings are completed, there will be a determination that we were not entitled to rescind in all cases, we are sometimes unable to make a reasonable estimate or range of estimates of the potential liability. Under ASC 450-20, an estimated loss from such proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated. Therefore, when establishing our loss reserves, we do not generally include additional loss reserves that would reflect an adverse outcome from ongoing legal proceedings.

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In April 2011, Freddie Mac advised its servicers that they must obtain its prior approval for rescission settlements and Fannie Mae advised its servicers that they are prohibited from entering into such settlements. In addition, in April 2011, Fannie Mae notified us that we must obtain its prior approval to enter into certain settlements. Since those announcements, the GSEs have approved our settlement agreement with one customer and have rejected settlement agreements that were structured differently. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

As noted in “— We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future,” in April 2013, we entered into two agreements to resolve our dispute with Countrywide Home Loans (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”) regarding rescissions. Implementation of the agreements is subject to various conditions. The resolutions of that and other disputes, assuming they occur, may encourage other customers to seek remedies against us. We continue to be involved in legal proceedings with other customers with respect to rescissions that we do not consider to be collectively material in amount. We also continue to discuss with customers their objections to rescissions that are material when all such discussions are considered in the aggregate, and have reached settlement terms with several of our significant customers. In connection with some of these settlement discussions, we have suspended rescissions related to loans that we believe could be included in potential settlements. As of March 31, 2013, approximately 265 rescissions, representing total potential claim payments of approximately $19 million, were affected by our decision to suspend such rescissions. These amounts do not include loans covered by the two Countrywide agreements referred to above nor do they include loans of a customer for which we consider a settlement agreement probable, as defined in ASC 450-20. Although it is reasonably possible that, when the discussions or legal proceedings with customers regarding rescissions are completed, there will be a conclusion or determination that we were not entitled to rescind in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability.

The benefit of our net operating loss carryforwards may become substantially limited.

As of March 31, 2013, we had approximately $2.6 billion of net operating losses for tax purposes that we can use in certain circumstances to offset future taxable income and thus reduce our federal income tax liability. Our ability to utilize these net operating losses to offset future taxable income may be significantly limited if we experience an “ownership change” as defined in Section 382 of the Internal Revenue Code of 1986, as amended (the “Code”). In general, an ownership change will occur if there is a cumulative change in our ownership by “5-percent shareholders” (as defined in the Code) that exceeds 50 percentage points over a rolling three-year period. A corporation that experiences an ownership change will generally be subject to an annual limitation on the corporation’s subsequent use of net operating loss carryovers that arose from pre-ownership change periods and use of losses that are subsequently recognized with respect to assets that had a built-in-loss on the date of the ownership change. The amount of the annual limitation generally equals the value of the corporation immediately before the ownership change multiplied by the long-term tax-exempt interest rate (subject to certain adjustments). To the extent that the limitation in a post-ownership-change year is not fully utilized, the amount of the limitation for the succeeding year will be increased.

While we have adopted a shareholder rights agreement to minimize the likelihood of transactions in our stock resulting in an ownership change, future issuances of equity-linked securities or transactions in our stock and equity-linked securities that may not be within our control may cause us to experience an ownership change. If we experience an ownership change, we may not be able to fully utilize our net operating losses, resulting in additional income taxes and a reduction in our shareholders’ equity.

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We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future.

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC’s settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs’ claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, have been named as defendants in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. Four of those cases have previously been dismissed. The complaints in all eight of the remaining cases allege various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the defendants violated RESPA by paying excessive premiums to the lenders’ captive reinsurer in relation to the risk assumed by that captive. MGIC denies any wrongdoing and intends to vigorously defend itself against the allegations in the lawsuits. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation, including the lawsuits mentioned above, would not have a material adverse effect on us.

On April 5, 2013, the U.S. District Court approved a settlement with the CFPB that resolves a previously-disclosed, nearly five-year-old federal investigation of MGIC’s participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concludes the investigation with respect to MGIC without the CFPB making any findings of wrongdoing. As part of the settlement, MGIC agreed that it would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. MGIC had voluntarily suspended most of its captive arrangements in 2008 in response to market conditions and GSE requests. In connection with the settlement, MGIC paid a civil penalty of $2.65 million.

We remain subject to various state investigations or information requests regarding captive mortgage reinsurance arrangements, including (1) a request received by MGIC in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation; and (2) requests received from the Minnesota Department of Commerce beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC has provided information on several occasions, including as recently as May 2011. Other insurance departments or other officials, including attorneys general, may also seek information about or investigate captive mortgage reinsurance.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions seeking various forms of relief, including civil penalties and injunctions against violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

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We are subject to comprehensive, detailed regulation by state insurance departments. These regulations are principally designed for the protection of our insured policyholders, rather than for the benefit of investors. Although their scope varies, state insurance laws generally grant broad supervisory powers to agencies or officials to examine insurance companies and enforce rules or exercise discretion affecting almost every significant aspect of the insurance business. Given the recent significant losses incurred by many insurers in the mortgage and financial guaranty industries, our insurance subsidiaries have been subject to heightened scrutiny by insurance regulators. State insurance regulatory authorities could take actions, including changes in capital requirements or termination of waivers of capital requirements, that could have a material adverse effect on us. As noted above, in January 2013, the CFPB issued rules to implement laws requiring mortgage lenders to make ability-to-pay determinations prior to extending credit. We are uncertain whether the CFPB will issue any other rules or regulations that affect our business apart from any action it may take as a result of its investigation of captive mortgage reinsurance. Such rules and regulations could have a material adverse effect on us.

We understand several law firms have, among other things, issued press releases to the effect that they are investigating us, including whether the fiduciaries of our 401(k) plan breached their fiduciary duties regarding the plan’s investment in or holding of our common stock or whether we breached other legal or fiduciary obligations to our shareholders. We intend to defend vigorously any proceedings that may result from these investigations. With limited exceptions, our bylaws provide that our officers and 401(k) plan fiduciaries are entitled to indemnification from us for claims against them.

Since December 2009, we have been involved in legal proceedings with Countrywide in which Countrywide alleged that MGIC denied valid mortgage insurance claims. (In our SEC reports, we refer to rescissions of insurance and denials of claims collectively as “rescissions” and variations of that term.) In addition to the claim amounts it alleged MGIC had improperly denied, Countrywide contended it was entitled to other damages of almost $700 million as well as exemplary damages. We sought a determination in those proceedings that we were entitled to rescind coverage on the applicable loans. From January 1, 2008 through March 31, 2013, rescissions of coverage on Countrywide-related loans mitigated our paid losses on the order of $445 million. This amount is the amount we estimate we would have paid had the coverage not been rescinded. In addition, in connection with mediation we were holding with Countrywide, we voluntarily suspended rescissions related to loans that we believed could be covered by a settlement. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable, was affected by our decision to suspend such rescissions.

On April 19, 2013, MGIC entered into separate settlement agreements with CHL and BANA, pursuant to which the parties will settle the Countrywide litigation as it relates to MGIC’s rescission practices. These settlement agreements (the “Agreements”), including consents and approvals that must be obtained before they are implemented, are described in our Form 8-K filed with the SEC on April 25, 2013. The Agreements are also filed as exhibits to that Form 8-K, although certain portions of the Agreements are redacted and covered by a confidential treatment request. While there can be no assurance that the Agreements will be implemented, we have determined that their implementation is probable.

We are also discussing a settlement of a dispute with another customer and have also determined that it is probable we will reach a settlement with this customer. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for that customer.

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We recorded the estimated impact of the two probable settlements referred to above in our financial statements for the quarter ending December 31, 2012. The aggregate impact to loss reserves for the probable settlement agreements was an increase of approximately $100 million. This impact was somewhat offset by impacts to our return premium accrual and premium deficiency reserve. If we are not able to implement the Agreements, we intend to defend MGIC against any related legal proceedings, vigorously.

The flow policies at issue with Countrywide are in the same form as the flow policies that we use with all of our customers, and the bulk policies at issue vary from one another, but are generally similar to those used in the majority of our Wall Street bulk transactions. The settlement with Countrywide may encourage other customers to pursue remedies against us. From January 1, 2008 through March 31, 2013, we estimate that total rescissions mitigated our incurred losses by approximately $2.9 billion, which included approximately $2.9 billion of mitigation on paid losses, excluding $0.6 billion that would have been applied to a deductible. At March 31, 2013, we estimate that our total loss reserves were benefited from anticipated rescissions by approximately $0.2 billion.

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us “curtailments.” In 2012 and the first quarter of 2013, curtailments reduced our average claim paid by approximately 4.1% and 4.7%, respectively. In addition, the claims submitted to us sometimes include costs and expenses not covered by our insurance policies, such as mortgage insurance premiums, hazard insurance premiums for periods after the claim date and losses resulting from property damage that has not been repaired. These other adjustments reduced claim amounts by less than the amount of curtailments.

After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid. Historically, we have not had material disputes regarding our curtailments or other adjustments.

The Agreements referred to above do not resolve assertions by Countrywide that MGIC has improperly curtailed numerous insurance coverage claims. Countrywide has asserted that the amount of disputed curtailments approximates $40 million. MGIC and Countrywide have agreed to mediate this matter and to enter into arbitration if the mediation does not resolve the matter. We do not believe a loss is probable regarding this curtailment dispute and have not accrued any reserves that would reflect an adverse outcome to this dispute. We intend to defend vigorously our position regarding the correctness of these curtailments under our insurance policy. Although we have not had other material objections to our curtailment and adjustment practices, there can be no assurances that we will not face additional challenges to such practices.

A non-insurance subsidiary of our holding company is a shareholder of the corporation that operates the Mortgage Electronic Registration System (“MERS”).  Our subsidiary, as a shareholder of MERS, has been named as a defendant (along with MERS and its other shareholders) in eight lawsuits asserting various causes of action arising from allegedly improper recording and foreclosure activities by MERS. Two of those lawsuits remain pending and the other six lawsuits have been dismissed without any further opportunity to appeal.  The damages sought in the remaining cases are substantial. We deny any wrongdoing and intend to defend ourselves against the allegations in the lawsuits, vigorously.

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In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Your ownership in our company may be diluted by additional capital that we raise or if the holders of our outstanding convertible debt convert that debt into shares of our common stock.

Any future issuance of equity securities may dilute your ownership interest in our company. In addition, the market price of our common stock could decline as a result of sales of a large number of shares or similar securities in the market or the perception that such sales could occur.

We have $389.5 million principal amount of 9% Convertible Junior Subordinated Debentures outstanding. The principal amount of the debentures is currently convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 74.0741 common shares per $1,000 principal amount of debentures. This represents an initial conversion price of approximately $13.50 per share. On April 1, 2013, we paid all interest that we had previously elected to defer on these debentures. We continue to have the right, and may elect, to defer interest payable under the debentures in the future. If a holder elects to convert its debentures, the interest that has been deferred on the debentures being converted is also convertible into shares of our common stock. The conversion rate for such deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert the associated debentures. We may elect to pay cash for some or all of the shares issuable upon a conversion of the debentures. We also have $345 million principal amount of 5% Convertible Senior Notes and $500 million principal amount of 2% Convertible Senior Notes outstanding. The 5% Convertible Senior Notes are convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $13.44 per share. The 2% Convertible Senior Notes are convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $6.95 per share. We do not have the right to defer interest on our Convertible Senior Notes.

Our debt obligations materially exceed our holding company cash and investments

At March 31, 2013, we had approximately $671 million in cash and investments at our holding company and our holding company’s debt obligations were $1,335 million in aggregate principal amount, consisting of $100 million of Senior Notes due in November 2015, $345 million of Convertible Senior Notes due in 2017, $500 million of Convertible Senior Notes due in 2020 and $390 million of Convertible Junior Debentures due in 2063. Annual debt service on the debt outstanding as of March 31, 2013, is approximately $68 million.

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The Senior Notes, Convertible Senior Notes and Convertible Junior Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. Our holding company has no material sources of cash inflows other than investment income. The payment of dividends from our insurance subsidiaries, which prior to raising capital in the public markets in 2008, 2010 and 2013, had been the principal source of our holding company cash inflow, is restricted by insurance regulation. MGIC is the principal source of dividend-paying capacity.  Since 2008, MGIC has not paid any dividends to our holding company. Through 2013, MGIC cannot pay any dividends to our holding company without approval from the OCI. In connection with the approval of MIC as an eligible mortgage insurer, Freddie Mac and Fannie Mae have imposed dividend restrictions on MGIC and MIC through December 31, 2013. Any additional capital contributions to our subsidiaries would decrease our holding company cash and investments.

Item 6. Exhibits

The accompanying Index to Exhibits is incorporated by reference in answer to this portion of this Item, and except as otherwise indicated in the next sentence, the Exhibits listed in such Index are filed as part of this Form 10-Q. Exhibit 32 is not filed as part of this Form 10-Q but accompanies this Form 10-Q.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized, on May 10, 2013.

MGIC INVESTMENT CORPORATION

/s/ J. Michael Lauer

J. Michael Lauer

Executive Vice President and

Chief Financial Officer

/s/ Timothy J. Mattke

Timothy J. Mattke

Senior Vice President, Controller and Chief Accounting Officer

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INDEX TO EXHIBITS

(Part II, Item 6)

Exhibit
Number	Description of Exhibit
3.2	Amended and Restated Bylaws, as amended (incorporated by reference to Exhibit 3.2 to the Company’s Form 8-K filed March 5, 2013)
4.3	Amended and Restated Rights Agreement dated as of July 25, 2012, as amended through March 11, 2013, between MGIC Investment Corporation and Wells Fargo Bank, National Association (incorporated by reference to Appendix A to the Company’s Proxy Statement filed March 25, 2013)
4.7	Second Supplemental Indenture, dated as of March 12, 2013, between MGIC Investment Corporation and U.S. Bank National Association (as successor to Bank One Trust Company, National Association), as Trustee, under the Indenture, dated as of October 15, 2000, between the Company and the Trustee.
10.14	Confidential Settlement Agreement and Release dated as of April 19, 2013 (“BANA Agreement”), by and between Mortgage Guaranty Insurance Corporation and Bank of America, N.A. (as a successor to BAC Home Loans Servicing f/k/a Countrywide Home Loans Servicing LP), on its own behalf and as successor in interest by de jure merger to Countrywide Bank FSB, formerly Treasury Bank. Countrywide Home Loans, Inc. is also a party to the BANA Agreement solely to the extent specified in the BANA Agreement. (Incorporated by reference to Exhibit 10.1 to the Company’s Form 8-K filed April 25, 2013.) †††
10.15	Confidential Settlement Agreement and Release dated as of April 19, 2013 (the “CHL Agreement”), by and between Mortgage Guaranty Insurance Corporation, Countrywide Home Loans, Inc. and Bank of America, N.A., in its capacity as master servicer or servicer of Subject Loans (as defined in the CHL Agreement). (Incorporated by reference to Exhibit 10.2 to the Company’s Form 8-K filed April 25, 2013.) †††
31.1	Certification of CEO under Section 302 of Sarbanes-Oxley Act of 2002
31.2	Certification of CFO under Section 302 of Sarbanes-Oxley Act of 2002
32	Certification of CEO and CFO under Section 906 of Sarbanes-Oxley Act of 2002 (as indicated in Item 6 of Part II, this Exhibit is not being "filed")
99	Risk Factors included in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2012, as supplemented by Part II, Item 1A of our Quarterly Report on Form 10-Q for the quarter ended March 31, 2013, and through updating of various statistical and other information
101	The following financial information from MGIC Investment Corporation’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2013, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets as of March 31, 2013 and December 31, 2012, (ii) Consolidated Statements of Operations for the three months ended March 31, 2013 and 2012, (iii) Consolidated Statements of Comprehensive Income for the three months ended March 31, 2013 and 2012, (iv) Consolidated Statements of Shareholders’ Equity for the year ended December 31, 2012 and the three months ended March 31, 2013, (v) Consolidated Statements of Cash Flows for the three months ended March 31, 2013 and 2012, and (vi) the Notes to Consolidated Financial Statements.

††† Confidential treatment has been requested with respect to certain portions of these exhibits. These exhibits omit the information subject to this confidentiality request. Omitted portions have been filed separately with the Securities and Exchange Commission.

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EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, Curt S. Culver, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MGIC Investment Corporation;

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  May 10, 2013

/s/ Curt S. Culver

Curt S. Culver

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, J. Michael Lauer, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MGIC Investment Corporation;

2. Based on my knowledge, this quarterly report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this quarterly report;

3. Based on my knowledge, the financial statements, and other financial information included in this quarterly report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this quarterly report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and we have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this quarterly report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  May 10, 2013

/s/ J. Michael Lauer

J. Michael Lauer

Chief Financial Officer

EX-32

Exhibit 32

SECTION 1350 CERTIFICATIONS

The undersigned, Curt S. Culver, Chief Executive Officer of MGIC Investment Corporation (the "Company"), and J. Michael Lauer, Chief Financial Officer of the Company, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,

18 U.S. C. Section 1350, that to our knowledge:

(1) the Quarterly Report on Form 10-Q of the Company for the three months ended March 31, 2013 (the "Report") fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 10, 2013

/s/ Curt S. Culver                                           

Curt S. Culver

Chief Executive Officer

/s/ J. Michael Lauer

J. Michael Lauer

Chief Financial Officer

EX-99

Exhibit 99

Risk Factors included in Item 1A of our Annual Report on Form 10-K for the year ended December 31, 2012, as supplemented by Part II, Item 1A of our Quarterly Report on Form 10-Q for the quarter ended March 31, 2013 and through updating of various statistical and other information.

Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the “Capital Requirements.” While they vary among jurisdictions, the most common Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if the percentage decrease in capital exceeds the percentage decrease in insured risk. Therefore, as capital decreases, the same dollar decrease in capital will cause a greater percentage decrease in capital and a greater increase in the risk-to-capital ratio. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position (“MPP”). The “policyholder position” of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

During part of 2012 and 2013, MGIC’s risk-to-capital ratio exceeded 25 to 1. In March 2013, our holding company issued additional equity and convertible debt securities and transferred $800 million to increase MGIC’s capital. As a result, at March 31, 2013, MGIC’s preliminary risk-to-capital ratio was 20.4 to 1, below the maximum allowed by the jurisdictions with Capital Requirements, and its preliminary policyholder position was $168 million above the required MPP of $1.2 billion. At March 31, 2013, the preliminary risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 23.1 to 1. A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance arrangements with its subsidiaries or subsidiaries of our holding company, additional capital contributions to the reinsurance affiliates could be needed. These reinsurance arrangements permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements.

 At this time, we expect MGIC to continue to comply with the current Capital Requirements, although you should read the rest of these risk factors for information about factors that could negatively affect such compliance. The remainder of the discussion in this risk factor addresses circumstances that would be significant if we were not in such compliance.

The Office of the Commissioner of Insurance of the State of Wisconsin (“OCI”) has waived MGIC’s compliance with Wisconsin’s Capital Requirements until December 31, 2013 (the “OCI Waiver”). The OCI Waiver, including the alternative capital requirements for MGIC, is summarized more fully in, and included as an exhibit to, our Form 8-K filed with the SEC on January 24, 2012. The OCI, in its sole discretion, may modify, terminate or extend the OCI Waiver. If the OCI modifies or terminates its waiver, or if it fails to renew its waiver upon expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in all jurisdictions. We cannot assure you that MGIC will comply with the Capital Requirements in the future. If MGIC were prevented from writing new business in all jurisdictions, our insurance operations in MGIC would be in run-off (meaning no new loans would be insured but loans previously insured would continue to be covered, with premiums continuing to be received and losses continuing to be paid on those loans) until MGIC either met the Capital Requirements or obtained a necessary waiver to allow it to once again write new business.

1

MGIC applied for waivers in the other jurisdictions with Capital Requirements and received waivers from some of them. Insurance departments, in their sole discretion, may modify, terminate or extend their waivers of Capital Requirements. If an insurance department other than the OCI modifies or terminates its waiver, or if it fails to grant a waiver or renew its waiver after expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in that particular jurisdiction. New insurance written in the jurisdictions that have Capital Requirements represented approximately 50% of our new insurance written in 2012 and the first quarter of 2013. Depending on the level of losses that MGIC experiences in the future, it is possible that regulatory action by one or more jurisdictions, including those that do not have specific Capital Requirements, may prevent MGIC from continuing to write new insurance in that jurisdiction. The National Association of Insurance Commissioners (“NAIC”) is reviewing the minimum capital and surplus requirements for mortgage insurers, although it has not established a date by which it must make proposals to change such requirements. Depending on the scope of proposals made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such proposals. The GSEs are also developing new capital standards for mortgage insurers. See “We may not continue to meet the GSEs’ mortgage insurer eligibility requirements.”

A possible future failure by MGIC to meet the Capital Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, we cannot assure you that events that may lead MGIC to fail to meet Capital Requirements would not also result in it not having sufficient claims paying resources. Furthermore, our estimates of MGIC’s claims paying resources and claim obligations are based on various assumptions. These assumptions include the timing of the receipt of claims on loans in our delinquency inventory and future claims that we anticipate will ultimately be received, our anticipated rescission activity, premiums, housing values and unemployment rates. These assumptions are subject to inherent uncertainty and require judgment by management. Current conditions in the domestic economy make the assumptions about when anticipated claims will be received, housing values, and unemployment rates highly volatile in the sense that there is a wide range of reasonably possible outcomes. Our anticipated rescission activity is also subject to inherent uncertainty due to the difficulty of predicting the amount of claims that will be rescinded and the outcome of any legal proceedings or settlement discussions related to rescissions. You should read the rest of these risk factors for additional information about factors that could negatively affect MGIC’s claims paying resources.

We have in place a longstanding plan to write new business in MIC, a direct subsidiary of MGIC, if MGIC is unable to do so. During 2012, MIC began writing new business on the same policy terms as MGIC in the jurisdictions where MGIC did not have active waivers of the Capital Requirements. Because MGIC again meets the Capital Requirements, MGIC will again be writing new business in all jurisdictions and MIC will suspend writing new business. As of March 31, 2013, MIC had statutory capital of $450 million and risk in force of approximately $800 million. MIC is licensed to write business in all jurisdictions and, subject to the conditions and restrictions discussed below, has received the necessary approvals from Fannie Mae and Freddie Mac (the “GSEs”) and the OCI to write business in all of the jurisdictions where MGIC may become unable to do so because those jurisdictions have not waived their Capital Requirements for MGIC.

2

Under an agreement in place with Fannie Mae, as amended November 30, 2012, MIC will be eligible to write mortgage insurance through December 31, 2013, in those jurisdictions (other than Wisconsin) in which MGIC cannot write new insurance due to MGIC’s failure to meet Capital Requirements and to obtain a waiver of them. MIC is also approved to write mortgage insurance for 60 days in jurisdictions that do not have Capital Requirements if a jurisdiction notifies MGIC that, due to its financial condition, it may no longer write new business. The agreement with Fannie Mae, including certain conditions and restrictions to its continued effectiveness, is summarized more fully in, and included as an exhibit to, our Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on November 30, 2012. Such conditions include the continued effectiveness of the OCI Waiver.

Under a letter from Freddie Mac that was amended and restated as of November 30, 2012, Freddie Mac approved MIC to write business only in those jurisdictions (other than Wisconsin) where either (a) MGIC is unable to write business because it does not meet the Capital Requirements and does not obtain waivers of them, or (b) MGIC receives notice that it may not write business because of that jurisdiction’s view of MGIC’s financial condition. This approval of MIC, which may be withdrawn at any time, expires December 31, 2013, or earlier if a financial examination by the OCI determines that there is a reasonable probability that MGIC will be unable to honor claim obligations at any time in the five years after the examination, or if MGIC fails to honor claim payments. The approval from Freddie Mac, including certain conditions and restrictions to its continued effectiveness, is summarized more fully in, and included as an exhibit to, our Form 8-K filed with the SEC on November 30, 2012. Such conditions include requirements that MIC not exceed a risk-to-capital ratio of 18:1 (at March 31, 2013, MIC’s preliminary risk-to-capital ratio was 1.8 to 1); MGIC and MIC comply with all terms and conditions of the OCI Waiver; the OCI Waiver remain effective; and MIC provide MGIC access to the capital of MIC in an amount necessary for MGIC to maintain sufficient liquidity to satisfy its obligations under insurance policies issued by MGIC.

On November 29, 2012, the OCI issued an order, effective until December 31, 2013, establishing a procedure for MIC to pay a dividend to MGIC if either of the following two events occurs: (1) an OCI examination determines that there is a reasonable probability that MGIC will be unable to honor its policy obligations at any time during the five years after the examination, or (2) MGIC fails to honor its policy obligations that it in good faith believes are valid. If one of these events occurs, the OCI is to conduct a review (to be completed within 60 days after the triggering event) to determine the maximum single dividend MIC could prudently pay to MGIC for the benefit of MGIC’s policyholders, taking account of the interests of MIC’s policyholders and the general public and certain standards for dividends imposed by Wisconsin law. Upon the completion of the review, the OCI will authorize, and MIC will pay, such a dividend within 30 days.

We cannot assure you that the GSEs will approve or continue to approve MIC to write new business in all jurisdictions in which MGIC may become unable to do so, or that they will extend their approvals upon expiration. If one GSE does not approve MIC in all jurisdictions in which MGIC becomes unable to write new business, MIC may be able to write insurance on loans that will be sold to the other GSE or retained by private investors. However, because lenders may not know which GSE will purchase their loans until mortgage insurance has been procured, lenders may be unwilling to procure mortgage insurance from MIC. Furthermore, if we are unable to write business in all jurisdictions utilizing a combination of MGIC and MIC, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender’s assessment of the financial strength of our insurance operations may affect its willingness to procure insurance from us. In this regard, see “— Competition or changes in our relationships with our customers could reduce our revenues or increase our losses.”

3

The amount of insurance we write could be adversely affected if the definition of Qualified Residential Mortgage results in a reduction of the number of low down payment loans available to be insured or if lenders and investors select alternatives to private mortgage insurance.

The financial reform legislation that was passed in July 2010 (the “Dodd-Frank Act” or “Dodd-Frank”) requires a securitizer to retain at least 5% of the risk associated with mortgage loans that are securitized, and in some cases the retained risk may be allocated between the securitizer and the lender that originated the loan. This risk retention requirement does not apply to mortgage loans that are Qualified Residential Mortgages (“QRMs”) or that are insured by the Federal Housing Administration (“FHA”) or another federal agency. In March 2011, federal regulators requested public comments on a proposed risk retention rule that includes a definition of QRM. The proposed definition of QRM contains many underwriting requirements, including a maximum loan-to-value ratio (“LTV”) of 80% on a home purchase transaction, a prohibition on seller contributions toward a borrower’s down payment or closing costs, and certain limits on a borrower’s debt-to-income ratio. The LTV is to be calculated without including mortgage insurance. None of our new risk written in 2012 or the first quarter of 2013 was on loans that would qualify as QRMs under the March 2011 proposed rules.

The regulators also requested public comments regarding an alternative QRM definition, the underwriting requirements of which would allow loans with a maximum LTV of 90% and higher debt-to-income ratios than allowed under the proposed QRM definition, and that may consider mortgage insurance in determining whether the LTV requirement is met. We estimate that approximately 22%and 23%of our new risk written in 2012 and the first quarter of 2013, respectively, was on loans that would have met the alternative QRM definition. The regulators also requested that the public comments include information that may be used to assess whether mortgage insurance reduces the risk of default. We submitted a comment letter, including studies to the effect that mortgage insurance reduces the risk of default.

Under the proposed rule, because of the capital support provided by the U.S. Government, the GSEs satisfy the Dodd-Frank risk-retention requirements while they are in conservatorship. Therefore, under the proposed rule, lenders that originate loans that are sold to the GSEs while they are in conservatorship would not be required to retain risk associated with those loans. The public comment period for the proposed rule expired in August 2011. At this time we do not know when a final rule will be issued, although it was not expected that the final QRM rule would be issued until the final rule defining Qualified Mortgages (“QMs”) (discussed below) was issued. The Consumer Financial Protection Bureau (the “CFPB”) issued the final QM rule on January 10, 2013.

Depending on, among other things, (a) the final definition of QRM and its requirements for LTV, seller contributions and debt-to-income ratio, (b) to what extent, if any, the presence of mortgage insurance would allow for a higher LTV in the definition of QRM, and (c) whether lenders choose mortgage insurance for non-QRM loans, the amount of new insurance that we write may be materially adversely affected. For other factors that could decrease the demand for mortgage insurance, see “— If the volume of low down payment home mortgage originations declines, the amount of insurance that we write could decline, which would reduce our revenues” and “— The implementation of the Basel III capital accord, or other changes to our customers’ capital requirements, may discourage the use of mortgage insurance.”

4

As noted above, on January 10, 2013, the CFPB issued the final rule defining QM, in order to implement laws requiring lenders to consider a borrower’s ability to repay a home loan before extending credit. The QM rule prohibits loans with certain features, such as negative amortization, points and fees in excess of 3% of the loan amount, and terms exceeding 30 years, from being considered QMs. The rule also establishes general underwriting criteria for QMs including that a borrower have a total debt-to-income ratio of less than or equal to 43%. The rule provides a temporary category of QMs that have more flexible underwriting requirements so long as they satisfy the general product feature requirements of QMs and so long as they meet the underwriting requirements of the GSEs or those of the U.S. Department of Housing and Urban Development, Department of Veterans Affairs or Rural Housing Service (collectively, “Other Federal Agencies”). While the debt-to-income ratio contained in our underwriting guidelines exceeds the general requirements of the QM definition, it is within the underwriting guidelines of the GSEs. The temporary category of QMs that meet the underwriting requirements of the GSEs or the Other Federal Agencies will phase out when the GSEs or the Other Federal Agencies issue their own qualified mortgage rules, if the GSEs’ conservatorship ends, and in any case after seven years. We expect that most lenders will be reluctant to make loans that do not qualify as QMs because they will not be entitled to the presumptions about compliance with the ability-to-pay requirements. Given the credit characteristics presented to us, we estimate that 99% of our new risk written in 2012 and the first quarter of 2013 was for mortgages that would have met the QM definition and 91% and 90% of our new risk written in 2012 and the first quarter of 2013, respectively, was for mortgages that would have met the QM definition even without the temporary category allowed for mortgages that meet the GSEs’ underwriting requirements. In making these estimates, we have not considered the limitation on points and fees because the information is not available to us. We do not believe such limitation would materially affect the percentage of our new risk written meeting the QM definition. The QM rule is scheduled to become effective in January 2014.

Alternatives to private mortgage insurance include:

· lenders using government mortgage insurance programs, including those of the Federal Housing Administration, or FHA, and the Veterans Administration,

· lenders and other investors holding mortgages in portfolio and self-insuring,

· investors using risk mitigation techniques other than private mortgage insurance, using other risk mitigation techniques in conjunction with reduced levels of private mortgage insurance coverage, or accepting credit risk without credit enhancement, and

· lenders originating mortgages using piggyback structures to avoid private mortgage insurance, such as a first mortgage with an 80% loan-to-value ratio and a second mortgage with a 10%, 15% or 20% loan-to-value ratio (referred to as 80-10-10, 80-15-5 or 80-20 loans, respectively) rather than a first mortgage with a 90%, 95% or 100% loan-to-value ratio that has private mortgage insurance.

The FHA substantially increased its market share beginning in 2008, and beginning in 2011, that market share began to gradually decline. We believe that the FHA’s market share increased, in part, because private mortgage insurers tightened their underwriting guidelines (which led to increased utilization of the FHA’s programs) and because of increases in the amount of loan level delivery fees that the GSEs assess on loans (which result in higher costs to borrowers). In addition, federal legislation and programs provided the FHA with greater flexibility in establishing new products and increased the FHA’s competitive position against private mortgage insurers. We believe that the FHA’s current premium pricing, when compared to our current credit-tiered premium pricing (and considering the effects of GSE pricing changes), has allowed us to be more competitive with the FHA than in the recent past for loans with high FICO credit scores. We cannot predict, however, the FHA’s share of new insurance written in the future due to, among other factors, different loan eligibility terms between the FHA and the GSEs; future increases in guarantee fees charged by the GSEs; changes to the FHA’s annual premiums; and the total profitability that may be realized by mortgage lenders from securitizing loans through Ginnie Mae when compared to securitizing loans through Fannie Mae or Freddie Mac.

5

Changes in the business practices of the GSEs, federal legislation that changes their charters or a restructuring of the GSEs could reduce our revenues or increase our losses.

Substantially all of our insurance written is for loans sold to Fannie Mae and Freddie Mac. The business practices of the GSEs affect the entire relationship between them, lenders and mortgage insurers and include:

· the level of private mortgage insurance coverage, subject to the limitations of the GSEs’ charters (which may be changed by federal legislation), when private mortgage insurance is used as the required credit enhancement on low down payment mortgages,

· the amount of loan level delivery fees (which result in higher costs to borrowers) that the GSEs assess on loans that require mortgage insurance,

· whether the GSEs influence the mortgage lender’s selection of the mortgage insurer providing coverage and, if so, any transactions that are related to that selection,

· the underwriting standards that determine what loans are eligible for purchase by the GSEs, which can affect the quality of the risk insured by the mortgage insurer and the availability of mortgage loans,

· the terms on which mortgage insurance coverage can be canceled before reaching the cancellation thresholds established by law,

· the programs established by the GSEs intended to avoid or mitigate loss on insured mortgages and the circumstances in which mortgage servicers must implement such programs,

· the terms that the GSEs require to be included in mortgage insurance policies for loans that they purchase, and

· the extent to which the GSEs intervene in mortgage insurers’ rescission practices or rescission settlement practices with lenders. For additional information, see “— Our losses could increase if we do not prevail in proceedings challenging whether our rescissions were proper or we enter into material resolution arrangements.”

The Federal Housing Finance Agency (“FHFA”) is the conservator of the GSEs and has the authority to control and direct their operations. The increased role that the federal government has assumed in the residential mortgage market through the GSE conservatorship may increase the likelihood that the business practices of the GSEs change in ways that have a material adverse effect on us. In addition, these factors may increase the likelihood that the charters of the GSEs are changed by new federal legislation. The Dodd-Frank Act required the U.S. Department of the Treasury to report its recommendations regarding options for ending the conservatorship of the GSEs. This report was released in February 2011 and while it does not provide any definitive timeline for GSE reform, it does recommend using a combination of federal housing policy changes to wind down the GSEs, shrink the government’s footprint in housing finance, and help bring private capital back to the mortgage market. Since then, Members of Congress introduced several bills intended to scale back the GSEs, however, no legislation was enacted. As a result of the matters referred to above, it is uncertain what role the GSEs, FHA and private capital, including private mortgage insurance, will play in the domestic residential housing finance system in the future or the impact of any such changes on our business. In addition, the timing of the impact of any resulting changes on our business is uncertain. Most meaningful changes would require Congressional action to implement and it is difficult to estimate when Congressional action would be final and how long any associated phase-in period may last.

6

The GSEs have different loan purchase programs that allow different levels of mortgage insurance coverage. Under the “charter coverage” program, on certain loans lenders may choose a mortgage insurance coverage percentage that is less than the GSEs’ “standard coverage” and only the minimum required by the GSEs’ charters, with the GSEs paying a lower price for such loans. In 2012 and the first quarter of 2013, nearly all of our volume was on loans with GSE standard or higher coverage. We charge higher premium rates for higher coverage percentages. To the extent lenders selling loans to the GSEs in the future choose lower coverage for loans that we insure, our revenues would be reduced and we could experience other adverse effects.

We may not continue to meet the GSEs’ mortgage insurer eligibility requirements.

Substantially all of our insurance written is for loans sold to Fannie Mae and Freddie Mac, each of which has mortgage insurer eligibility requirements to maintain the highest level of eligibility, including a financial strength rating of Aa3/AA-. Because MGIC does not meet such financial strength rating requirements of Fannie Mae and Freddie Mac (its financial strength rating from Moody’s is B2 (on review for upgrade) and from Standard & Poor’s is B (with a stable outlook)), MGIC is currently operating with each GSE as an eligible insurer under a remediation plan. We believe that the GSEs view remediation plans as a continuing process of interaction with a mortgage insurer and MGIC will continue to operate under a remediation plan for the foreseeable future. There can be no assurance that MGIC will be able to continue to operate as an eligible mortgage insurer under a remediation plan. In particular, the GSEs are currently in discussions with mortgage insurers regarding their standard mortgage insurer eligibility requirements. The FHFA and the GSEs are separately developing mortgage insurer capital standards that would replace the use of external credit ratings. Revised capital standards are expected to be released in 2013, however the timing of their implementation is unknown. The GSEs may include any new eligibility requirements as part of our current remediation plan. MIC’s financial strength rating from Moody’s is Ba3 and from Standard & Poor’s is B (with a stable outlook). Therefore, MIC also does not meet the current financial strength rating requirements of the GSEs and has been operating with each GSE as an eligible insurer under the approvals discussed above. See “— Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.” If MGIC or MIC cease to be eligible to insure loans purchased by one or both of the GSEs, it would significantly reduce the volume of our new business writings.

We have reported net losses for the last six years, expect to continue to report annual net losses, and cannot assure you when we will return to profitability.

We have reported a net loss in each of the last six fiscal years, with an aggregate net loss for 2007-2012 of $5.3 billion. For the first quarter of 2013, we reported a net loss of $73 million. We currently expect to continue to report annual net losses, the size of which will depend primarily on the amount of our incurred and paid losses from our business written prior to 2009. Our incurred and paid losses are dependent on factors that make prediction of their amounts difficult and any forecasts are subject to significant volatility. Although we currently expect to return to profitability on an annual basis, we cannot assure you when, or if, this will occur. Conditions that could delay our return to profitability include high unemployment rates, low cure rates, low housing values and unfavorable resolution of legal disputes. You should read the rest of these risk factors for additional information about factors that could increase our net losses in the future. The net losses we have experienced have eroded, and any future net losses will erode, our shareholders’ equity and could result in equity being negative.

7

Our losses could increase if we do not prevail in proceedings challenging whether our rescissions were proper or we enter into material resolution arrangements.

Prior to 2008, rescissions of coverage on loans were not a material portion of our claims resolved during a year. However, beginning in 2008, our rescissions of coverage on loans have materially mitigated our paid losses. In 2009 through 2011, rescissions mitigated our paid losses in the aggregate by approximately $3.0 billion; and in 2012 and the first quarter of 2013, rescissions mitigated our paid losses by approximately $0.3 billion and $35 million, respectively (in each case, the figure includes amounts that would have either resulted in a claim payment or been charged to a deductible under a bulk or pool policy, and may have been charged to a captive reinsurer). In recent quarters, less than 8% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009.

Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, the number of rescissions that we have reversed has been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of claims investigations, litigation, settlements or other factors, could materially affect our losses. See “— Because loss reserve estimates are subject to uncertainties and are based on assumptions that are currently very volatile, paid claims may be substantially different than our loss reserves.” We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010. In 2011, we estimate that rescissions had no significant impact on our losses incurred. All of these figures include the benefit of claims not paid in the period as well as the impact of changes in our estimated expected rescission activity on our loss reserves in the period. In 2012, we estimate that our rescission benefit in loss reserves was reduced by $0.2 billion due to probable rescission settlement agreements. We estimate that other rescissions had no significant impact on our losses incurred in 2012 or in the first quarter of 2013.

If the insured disputes our right to rescind coverage, the outcome of the dispute ultimately would be determined by legal proceedings. Under our policies, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, although in a few jurisdictions there is a longer time to bring such an action. For approximately 40% of our rescissions since the beginning of 2009 that are not subject to a settlement agreement, this period in which a dispute may be brought has not ended. Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider a rescission resolved for financial reporting purposes even though legal proceedings have been initiated and are ongoing. Although it is reasonably possible that, when the proceedings are completed, there will be a determination that we were not entitled to rescind in all cases, we are sometimes unable to make a reasonable estimate or range of estimates of the potential liability. Under ASC 450-20, an estimated loss from such proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated. Therefore, when establishing our loss reserves, we do not generally include additional loss reserves that would reflect an adverse outcome from ongoing legal proceedings.

In April 2011, Freddie Mac advised its servicers that they must obtain its prior approval for rescission settlements and Fannie Mae advised its servicers that they are prohibited from entering into such settlements. In addition, in April 2011, Fannie Mae notified us that we must obtain its prior approval to enter into certain settlements. Since those announcements, the GSEs have approved our settlement agreement with one customer and have rejected settlement agreements that were structured differently. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

8

As noted in “— We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future,” in April 2013, we entered into two agreements to resolve our dispute with Countrywide Home Loans (“CHL”) and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP (“BANA” and collectively with CHL, “Countrywide”) regarding rescissions. Implementation of the agreements is subject to various conditions. The resolutions of that and other disputes, assuming they occur, may encourage other customers to seek remedies against us. We continue to be involved in legal proceedings with other customers with respect to rescissions that we do not consider to be collectively material in amount. We also continue to discuss with customers their objections to rescissions that are material when all such discussions are considered in the aggregate, and have reached settlement terms with several of our significant customers. In connection with some of these settlement discussions, we have suspended rescissions related to loans that we believe could be included in potential settlements. As of March 31, 2013, approximately 265 rescissions, representing total potential claim payments of approximately $19 million, were affected by our decision to suspend such rescissions. These amounts do not include loans covered by the two Countrywide agreements referred to above nor do they include loans of a customer for which we consider a settlement agreement probable, as defined in ASC 450-20. Although it is reasonably possible that, when the discussions or legal proceedings with customers regarding rescissions are completed, there will be a conclusion or determination that we were not entitled to rescind in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability.

The benefit of our net operating loss carryforwards may become substantially limited.

As of March 31, 2013, we had approximately $2.6 billion of net operating losses for tax purposes that we can use in certain circumstances to offset future taxable income and thus reduce our federal income tax liability. Our ability to utilize these net operating losses to offset future taxable income may be significantly limited if we experience an “ownership change” as defined in Section 382 of the Internal Revenue Code of 1986, as amended (the “Code”). In general, an ownership change will occur if there is a cumulative change in our ownership by “5-percent shareholders” (as defined in the Code) that exceeds 50 percentage points over a rolling three-year period. A corporation that experiences an ownership change will generally be subject to an annual limitation on the corporation’s subsequent use of net operating loss carryovers that arose from pre-ownership change periods and use of losses that are subsequently recognized with respect to assets that had a built-in-loss on the date of the ownership change. The amount of the annual limitation generally equals the value of the corporation immediately before the ownership change multiplied by the long-term tax-exempt interest rate (subject to certain adjustments). To the extent that the limitation in a post-ownership-change year is not fully utilized, the amount of the limitation for the succeeding year will be increased.

While we have adopted a shareholder rights agreement to minimize the likelihood of transactions in our stock resulting in an ownership change, future issuances of equity-linked securities or transactions in our stock and equity-linked securities that may not be within our control may cause us to experience an ownership change. If we experience an ownership change, we may not be able to fully utilize our net operating losses, resulting in additional income taxes and a reduction in our shareholders’ equity.

9

We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future.

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC’s settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs’ claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, have been named as defendants in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. Four of those cases have previously been dismissed. The complaints in all eight of the remaining cases allege various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the defendants violated RESPA by paying excessive premiums to the lenders’ captive reinsurer in relation to the risk assumed by that captive. MGIC denies any wrongdoing and intends to vigorously defend itself against the allegations in the lawsuits. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation, including the lawsuits mentioned above, would not have a material adverse effect on us.

On April 5, 2013, the U.S. District Court approved a settlement with the CFPB that resolves a previously-disclosed, nearly five-year-old federal investigation of MGIC’s participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concludes the investigation with respect to MGIC without the CFPB making any findings of wrongdoing. As part of the settlement, MGIC agreed that it would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. MGIC had voluntarily suspended most of its captive arrangements in 2008 in response to market conditions and GSE requests. In connection with the settlement, MGIC paid a civil penalty of $2.65 million.

We remain subject to various state investigations or information requests regarding captive mortgage reinsurance arrangements, including (1) a request received by MGIC in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation; and (2) requests received from the Minnesota Department of Commerce beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC has provided information on several occasions, including as recently as May 2011. Other insurance departments or other officials, including attorneys general, may also seek information about or investigate captive mortgage reinsurance.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions seeking various forms of relief, including civil penalties and injunctions against violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

10

We are subject to comprehensive, detailed regulation by state insurance departments. These regulations are principally designed for the protection of our insured policyholders, rather than for the benefit of investors. Although their scope varies, state insurance laws generally grant broad supervisory powers to agencies or officials to examine insurance companies and enforce rules or exercise discretion affecting almost every significant aspect of the insurance business. Given the recent significant losses incurred by many insurers in the mortgage and financial guaranty industries, our insurance subsidiaries have been subject to heightened scrutiny by insurance regulators. State insurance regulatory authorities could take actions, including changes in capital requirements or termination of waivers of capital requirements, that could have a material adverse effect on us. As noted above, in January 2013, the CFPB issued rules to implement laws requiring mortgage lenders to make ability-to-pay determinations prior to extending credit. We are uncertain whether the CFPB will issue any other rules or regulations that affect our business apart from any action it may take as a result of its investigation of captive mortgage reinsurance. Such rules and regulations could have a material adverse effect on us.

We understand several law firms have, among other things, issued press releases to the effect that they are investigating us, including whether the fiduciaries of our 401(k) plan breached their fiduciary duties regarding the plan’s investment in or holding of our common stock or whether we breached other legal or fiduciary obligations to our shareholders. We intend to defend vigorously any proceedings that may result from these investigations. With limited exceptions, our bylaws provide that our officers and 401(k) plan fiduciaries are entitled to indemnification from us for claims against them.

Since December 2009, we have been involved in legal proceedings with Countrywide in which Countrywide alleged that MGIC denied valid mortgage insurance claims. (In our SEC reports, we refer to rescissions of insurance and denials of claims collectively as “rescissions” and variations of that term.) In addition to the claim amounts it alleged MGIC had improperly denied, Countrywide contended it was entitled to other damages of almost $700 million as well as exemplary damages. We sought a determination in those proceedings that we were entitled to rescind coverage on the applicable loans. From January 1, 2008 through March 31, 2013, rescissions of coverage on Countrywide-related loans mitigated our paid losses on the order of $445 million. This amount is the amount we estimate we would have paid had the coverage not been rescinded. In addition, in connection with mediation we were holding with Countrywide, we voluntarily suspended rescissions related to loans that we believed could be covered by a settlement. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable, was affected by our decision to suspend such rescissions.

On April 19, 2013, MGIC entered into separate settlement agreements with CHL and BANA, pursuant to which the parties will settle the Countrywide litigation as it relates to MGIC’s rescission practices. These settlement agreements (the “Agreements”), including consents and approvals that must be obtained before they are implemented, are described in our Form 8-K filed with the SEC on April 25, 2013. The Agreements are also filed as exhibits to that Form 8-K, although certain portions of the Agreements are redacted and covered by a confidential treatment request. While there can be no assurance that the Agreements will be implemented, we have determined that their implementation is probable.

We are also discussing a settlement of a dispute with another customer and have also determined that it is probable we will reach a settlement with this customer. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for that customer.

11

We recorded the estimated impact of the two probable settlements referred to above in our financial statements for the quarter ending December 31, 2012. The aggregate impact to loss reserves for the probable settlement agreements was an increase of approximately $100 million. This impact was somewhat offset by impacts to our return premium accrual and premium deficiency reserve. If we are not able to implement the Agreements, we intend to defend MGIC against any related legal proceedings, vigorously.

The flow policies at issue with Countrywide are in the same form as the flow policies that we use with all of our customers, and the bulk policies at issue vary from one another, but are generally similar to those used in the majority of our Wall Street bulk transactions. The settlement with Countrywide may encourage other customers to pursue remedies against us. From January 1, 2008 through March 31, 2013, we estimate that total rescissions mitigated our incurred losses by approximately $2.9 billion, which included approximately $2.9 billion of mitigation on paid losses, excluding $0.6 billion that would have been applied to a deductible. At March 31, 2013, we estimate that our total loss reserves were benefited from anticipated rescissions by approximately $0.2 billion.

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us “curtailments.” In 2012 and the first quarter of 2013, curtailments reduced our average claim paid by approximately 4.1% and 4.7%, respectively. In addition, the claims submitted to us sometimes include costs and expenses not covered by our insurance policies, such as mortgage insurance premiums, hazard insurance premiums for periods after the claim date and losses resulting from property damage that has not been repaired. These other adjustments reduced claim amounts by less than the amount of curtailments.

After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid. Historically, we have not had material disputes regarding our curtailments or other adjustments.

The Agreements referred to above do not resolve assertions by Countrywide that MGIC has improperly curtailed numerous insurance coverage claims. Countrywide has asserted that the amount of disputed curtailments approximates $40 million. MGIC and Countrywide have agreed to mediate this matter and to enter into arbitration if the mediation does not resolve the matter. We do not believe a loss is probable regarding this curtailment dispute and have not accrued any reserves that would reflect an adverse outcome to this dispute. We intend to defend vigorously our position regarding the correctness of these curtailments under our insurance policy. Although we have not had other material objections to our curtailment and adjustment practices, there can be no assurances that we will not face additional challenges to such practices.

A non-insurance subsidiary of our holding company is a shareholder of the corporation that operates the Mortgage Electronic Registration System (“MERS”).  Our subsidiary, as a shareholder of MERS, has been named as a defendant (along with MERS and its other shareholders) in eight lawsuits asserting various causes of action arising from allegedly improper recording and foreclosure activities by MERS. Two of those lawsuits remain pending and the other six lawsuits have been dismissed without any further opportunity to appeal.  The damages sought in the remaining cases are substantial. We deny any wrongdoing and intend to defend ourselves against the allegations in the lawsuits, vigorously.

12

In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Resolution of our dispute with the Internal Revenue Service could adversely affect us.

The Internal Revenue Service (“IRS”) completed examinations of our federal income tax returns for the years 2000 through 2007 and issued assessments for unpaid taxes, interest and penalties related to our treatment of the flow-through income and loss from an investment in a portfolio of residual interests of Real Estate Mortgage Investment Conduits (“REMICs”). This portfolio has been managed and maintained during years prior to, during and subsequent to the examination period. The IRS indicated that it did not believe that, for various reasons, we had established sufficient tax basis in the REMIC residual interests to deduct the losses from taxable income. The IRS assessment related to the REMIC issue is $190.7 million in taxes and penalties. There would also be applicable interest which, when computed on the amount of the assessment, is substantial. Depending on the outcome of this matter, additional state income taxes along with any applicable interest may become due when a final resolution is reached and could also be substantial.

We appealed these assessments within the IRS and, in 2007, we made a payment of $65.2 million to the United States Department of the Treasury related to this assessment. In August 2010, we reached a tentative settlement agreement with the IRS which was not finalized. We currently expect to receive a statutory notice of deficiency (commonly referred to as a “90-day letter”) for the disputed amounts in the second quarter of 2013. We would then be required to litigate the validity of the assessments in order to avoid payment to the IRS of the entire amount assessed. Any such litigation could be lengthy and costly in terms of legal fees and related expenses. We continue to believe that our previously recorded tax provisions and liabilities are appropriate. However, we would need to make appropriate adjustments, which could be material, to our tax provision and liabilities if our view of the probability of success in this matter changes, and the ultimate resolution of this matter could have a material negative impact on our effective tax rate, results of operations, cash flows and statutory capital. In this regard, see “— Capital requirements may prevent us from continuing to write new insurance on an uninterrupted basis.”

Because we establish loss reserves only upon a loan default rather than based on estimates of our ultimate losses on risk in force, losses may have a disproportionate adverse effect on our earnings in certain periods.

In accordance with accounting principles generally accepted in the United States, commonly referred to as GAAP, we establish loss reserves only for loans in default. Reserves are established for reported insurance losses and loss adjustment expenses based on when notices of default on insured mortgage loans are received. Reserves are also established for estimated losses incurred on notices of default that have not yet been reported to us by the servicers (this is often referred to as “IBNR”). We establish reserves using estimated claim rates and claim amounts in estimating the ultimate loss. Because our reserving method does not take account of the impact of future losses that could occur from loans that are not delinquent, our obligation for ultimate losses that we expect to occur under our policies in force at any period end is not reflected in our financial statements, except in the case where a premium deficiency exists. As a result, future losses may have a material impact on future results as such losses emerge.

13

Because loss reserve estimates are subject to uncertainties and are based on assumptions that are currently very volatile, paid claims may be substantially different than our loss reserves.

We establish reserves using estimated claim rates and claim amounts in estimating the ultimate loss on delinquent loans. The estimated claim rates and claim amounts represent our best estimates of what we will actually pay on the loans in default as of the reserve date and incorporate anticipated mitigation from rescissions. We rescind coverage on loans and deny claims in cases where we believe our policy allows us to do so. Therefore, when establishing our loss reserves, unless we have determined that a loss is probable and can be reasonably estimated, we do not include additional loss reserves that would reflect an adverse development from ongoing dispute resolution proceedings. For more information regarding our legal proceedings, see “— We are involved in legal proceedings and are subject to the risk of additional legal proceedings in the future.”

The establishment of loss reserves is subject to inherent uncertainty and requires judgment by management. Current conditions in the housing and mortgage industries make the assumptions that we use to establish loss reserves more volatile than they would otherwise be. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrowers’ income and thus their ability to make mortgage payments, a drop in housing values that could result in, among other things, greater losses on loans that have pool insurance, and may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance, and mitigation from rescissions being materially less than assumed. Changes to our estimates could result in material impact to our results of operations, even in a stable economic environment, and there can be no assurance that actual claims paid by us will not be substantially different than our loss reserves.

We rely on our management team and our business could be harmed if we are unable to retain qualified personnel.

Our industry is undergoing a fundamental shift following the mortgage crisis: long-standing competitors have gone out of business and two newly capitalized, privately-held start-ups that are not encumbered with a portfolio of pre-crisis mortgages, have been formed. Former executives from other mortgage insurers have joined these two new competitors. In addition, in February 2013, a worldwide insurer and reinsurer with mortgage insurance operations in Europe announced that it was purchasing CMG Mortgage Insurance Company. Our success depends, in part, on the skills, working relationships and continued services of our management team and other key personnel. The departure of key personnel could adversely affect the conduct of our business. In such event, we would be required to obtain other personnel to manage and operate our business, and there can be no assurance that we would be able to employ a suitable replacement for the departing individuals, or that a replacement could be hired on terms that are favorable to us. We currently have not entered into any employment agreements with our officers or key personnel. Volatility or lack of performance in our stock price may affect our ability to retain our key personnel or attract replacements should key personnel depart.

14

Loan modification and other similar programs may not continue to provide material benefits to us and our losses on loans that re-default can be higher than what we would have paid had the loan not been modified.

Beginning in the fourth quarter of 2008, the federal government, including through the Federal Deposit Insurance Corporation and the GSEs, and several lenders have adopted programs to modify loans to make them more affordable to borrowers with the goal of reducing the number of foreclosures. During 2010, 2011, 2012, and the first quarter of 2013, we were notified of modifications that cured delinquencies that had they become paid claims would have resulted in approximately $3.2 billion, $1.8 billion, $1.2 billion and $247 million, respectively, of estimated claim payments. As noted below, we cannot predict with a high degree of confidence what the ultimate re-default rate on these modifications will be. Although the recent re-default rate has been lower, for internal reporting and planning purposes, we assume approximately 50% of these modifications will ultimately re-default, and those re-defaults may result in future claim payments. Because modifications cure the defaults with respect to the previously defaulted loans, our loss reserves do not account for potential re-defaults unless at the time the reserve is established, the re-default has already occurred. Based on information that is provided to us, most of the modifications resulted in reduced payments from interest rate and/or amortization period adjustments; less than 5% resulted in principal forgiveness.

One loan modification program is the Home Affordable Modification Program (“HAMP”). Some of HAMP’s eligibility criteria relate to the borrower’s current income and non-mortgage debt payments. Because the GSEs and servicers do not share such information with us, we cannot determine with certainty the number of loans in our delinquent inventory that are eligible to participate in HAMP. We believe that it could take several months from the time a borrower has made all of the payments during HAMP’s three month “trial modification” period for the loan to be reported to us as a cured delinquency.

We rely on information provided to us by the GSEs and servicers. We do not receive all of the information from such sources that is required to determine with certainty the number of loans that are participating in, or have successfully completed, HAMP. We are aware of approximately 8,650 loans in our primary delinquent inventory at March 31, 2013 for which the HAMP trial period has begun and which trial periods have not been reported to us as completed or cancelled. Through March 31, 2013 approximately 47,200 delinquent primary loans have cured their delinquency after entering HAMP and are not in default. In 2012 and the first quarter of 2013, approximately 17% and 14%, respectively, of our primary cures were the result of a modification, with HAMP accounting for approximately70% and 75%, respectively, of those modifications in each of those periods. By comparison, in 2010, approximately 27% of our primary cures were the result of a modification, with HAMP accounting for approximately 60% of those modifications. We believe that we have realized the majority of the benefits from HAMP because the number of loans insured by us that we are aware are entering HAMP trial modification periods has decreased significantly since 2010. Announcements made by the U.S. Treasury in 2012 extended the end date of the HAMP program through 2013, expanded the eligibility criteria of HAMP and increased lenders’ incentives to modify loans through principal forgiveness. Approximately 65% of the loans in our primary delinquent inventory are guaranteed by the GSEs. The GSEs have informed us that they already use expanded criteria (beyond the HAMP guidelines) for determining eligibility for loan modification and currently do not offer principal forgiveness. Therefore, we currently expect new loan modifications will continue to only modestly mitigate our losses in 2013.

In 2009, the GSEs began offering the Home Affordable Refinance Program (“HARP”). HARP allows borrowers who are not delinquent but who may not otherwise be able to refinance their loans under the current GSE underwriting standards, to refinance their loans. We allow the HARP refinances on loans that we insure, regardless of whether the loan meets our current underwriting standards, and we account for the refinance as a loan modification (even where there is a new lender) rather than new insurance written. To incent lenders to allow more current borrowers to refinance their loans, in October 2011, the GSEs and their regulator, FHFA, announced an expansion of HARP. The expansion includes, among other changes, releasing certain representations in certain circumstances benefitting the GSEs. We have agreed to allow these additional HARP refinances, including releasing the insured in certain circumstances from certain rescission rights we would have under our policy. While an expansion of HARP may result in fewer delinquent loans and claims in the future, our ability to rescind coverage will be limited in certain circumstances. We are unable to predict what net impact these changes may have on our incurred or paid losses. In April 2013, the FHFA announced that HARP had been extended through 2015. Approximately 12% of our primary insurance in force has benefitted from HARP and is still in force.

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The effect on us of loan modifications depends on how many modified loans subsequently re-default, which in turn can be affected by changes in housing values. Re-defaults can result in losses for us that could be greater than we would have paid had the loan not been modified. At this point, we cannot predict with a high degree of confidence what the ultimate re-default rate will be. In addition, because we do not have information in our database for all of the parameters used to determine which loans are eligible for modification programs, our estimates of the number of loans qualifying for modification programs are inherently uncertain. If legislation is enacted to permit a portion of a borrower’s mortgage loan balance to be reduced in bankruptcy and if the borrower re-defaults after such reduction, then the amount we would be responsible to cover would be calculated after adding back the reduction. Unless a lender has obtained our prior approval, if a borrower’s mortgage loan balance is reduced outside the bankruptcy context, including in association with a loan modification, and if the borrower re-defaults after such reduction, then under the terms of our policy the amount we would be responsible to cover would be calculated net of the reduction.

Eligibility under certain loan modification programs can also adversely affect us by creating an incentive for borrowers who are able to make their mortgage payments to become delinquent in an attempt to obtain the benefits of a modification. New notices of delinquency increase our incurred losses.

If the volume of low down payment home mortgage originations declines, the amount of insurance that we write could decline, which would reduce our revenues.

The factors that affect the volume of low down payment mortgage originations include:

· restrictions on mortgage credit due to more stringent underwriting standards, liquidity issues and risk-retention requirements associated with non-QRM loans affecting lenders,

· the level of home mortgage interest rates and the deductibility of mortgage interest for income tax purposes,

· the health of the domestic economy as well as conditions in regional and local economies,

· housing affordability,

· population trends, including the rate of household formation,

· the rate of home price appreciation, which in times of heavy refinancing can affect whether refinance loans have loan-to-value ratios that require private mortgage insurance, and

· government housing policy encouraging loans to first-time homebuyers.

As noted above, in January 2013, the CFPB issued rules to implement laws requiring mortgage lenders to make ability-to-pay determinations prior to extending credit. We are uncertain whether this Bureau will issue any other rules or regulations that affect our business or the volume of low down payment home mortgage originations. Such rules and regulations could have a material adverse effect on our financial position or results of operations.

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A decline in the volume of low down payment home mortgage originations could decrease demand for mortgage insurance, decrease our new insurance written and reduce our revenues. For other factors that could decrease the demand for mortgage insurance, see “— The amount of insurance we write could be adversely affected if the definition of Qualified Residential Mortgage results in a reduction of the number of low down payment loans available to be insured or if lenders and investors select alternatives to private mortgage insurance” and “— The implementation of the Basel III capital accord, or other changes to our customers’ capital requirements, may discourage the use of mortgage insurance.”

Competition or changes in our relationships with our customers could reduce our revenues or increase our losses.

As noted above, the FHA substantially increased its market share beginning in 2008 and beginning in 2011, that market share began to gradually decline. It is difficult to predict the FHA’s future market share due to, among other factors, different loan eligibility terms between the FHA and the GSEs, future increases in guarantee fees charged by the GSEs, changes to the FHA’s annual premiums, and the total profitability that may be realized by mortgage lenders from securitizing loans through Ginnie Mae when compared to securitizing loans through Fannie Mae or Freddie Mac.

In recent years, the level of competition within the private mortgage insurance industry has been intense as many large mortgage lenders reduced the number of private mortgage insurers with whom they do business. At the same time, consolidation among mortgage lenders has increased the share of the mortgage lending market held by large lenders. During 2012 and the first quarter of 2013, approximately 10% and 8%, respectively, of our new insurance written was for loans for which one lender was the original insured, although revenue from such loans was significantly less than 10% of our revenues during each of those periods. Our private mortgage insurance competitors include:

· Genworth Mortgage Insurance Corporation,

· United Guaranty Residential Insurance Company,

· Radian Guaranty Inc.,

· CMG Mortgage Insurance Company (whose owners have agreed to sell it to a worldwide insurer and reinsurer),

· Essent Guaranty, Inc., and

· NMI Holdings, Inc.

Until 2010 the mortgage insurance industry had not had new entrants in many years. In 2010, Essent Guaranty, Inc. began writing new mortgage insurance. Essent has publicly reported that one of our customers, JPMorgan Chase, is one of its investors. During 2012, another new company, NMI Holdings Inc., raised $550 million in order to enter the mortgage insurance business. NMI Holdings has been approved as an eligible mortgage insurer by the GSEs and it announced in April 2013 that it began writing new business. In addition, in February 2013, a worldwide insurer and reinsurer with mortgage insurance operations in Europe announced that it was purchasing CMG Mortgage Insurance Company. The perceived increase in credit quality of loans that are being insured today, the deterioration of the financial strength ratings of the existing mortgage insurance companies and the possibility of a decrease in the FHA’s share of the mortgage insurance market may encourage additional new entrants.

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Our relationships with our customers could be adversely affected by a variety of factors, including tightening of and adherence to our underwriting guidelines, which have resulted in our declining to insure some of the loans originated by our customers and rescission of coverage on loans that affect the customer. We have ongoing discussions with lenders who are significant customers regarding their objections to our rescissions.

We believe many lenders assess a mortgage insurer’s financial strength rating and risk-to-capital ratio as important elements of the process through which they select mortgage insurers. As a result of MGIC’s less than investment grade financial strength ratings and its risk-to-capital ratio level being higher than that of other mortgage insurers, MGIC may be competitively disadvantaged with these lenders. MGIC’s financial strength rating from Moody’s is B2 (on review for upgrade) and from Standard & Poor’s is B (with a stable outlook). It is possible that MGIC’s financial strength ratings could decline from these levels. While we expect MGIC’s risk-to-capital ratio to continue to comply with the current Capital Requirements, its level will depend primarily on the level of incurred losses, any settlement with the IRS, and the volume of new risk written. Our incurred losses are dependent upon factors that make prediction of their amounts difficult and any forecasts are subject to significant volatility. Conditions that could negatively affect the risk-to-capital ratio include high unemployment rates, low cure rates, low housing values, changes to our current rescission practices and unfavorable resolution of ongoing legal proceedings.

Downturns in the domestic economy or declines in the value of borrowers’ homes from their value at the time their loans closed may result in more homeowners defaulting and our losses increasing.

Losses result from events that reduce a borrower’s ability to continue to make mortgage payments, such as unemployment, and whether the home of a borrower who defaults on his mortgage can be sold for an amount that will cover unpaid principal and interest and the expenses of the sale. In general, favorable economic conditions reduce the likelihood that borrowers will lack sufficient income to pay their mortgages and also favorably affect the value of homes, thereby reducing and in some cases even eliminating a loss from a mortgage default. A deterioration in economic conditions, including an increase in unemployment, generally increases the likelihood that borrowers will not have sufficient income to pay their mortgages and can also adversely affect housing values, which in turn can influence the willingness of borrowers with sufficient resources to make mortgage payments to do so when the mortgage balance exceeds the value of the home. Housing values may decline even absent a deterioration in economic conditions due to declines in demand for homes, which in turn may result from changes in buyers’ perceptions of the potential for future appreciation, restrictions on and the cost of mortgage credit due to more stringent underwriting standards, liquidity issues and risk-retention requirements associated with non-QRM loans affecting lenders, higher interest rates generally or changes to the deductibility of mortgage interest for income tax purposes, or other factors. The residential mortgage market in the United States has for some time experienced a variety of poor or worsening economic conditions, including a material nationwide decline in housing values, with declines continuing into early 2012 in a number of geographic areas. Although housing values have recently been increasing in certain markets, they generally remain significantly below their early 2007 levels. Changes in housing values and unemployment levels are inherently difficult to forecast given the uncertainty in the current market environment, including uncertainty about the effect of actions the federal government has taken and may take with respect to tax policies, mortgage finance programs and policies, and housing finance reform.

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The mix of business we write also affects the likelihood of losses occurring.

Even when housing values are stable or rising, mortgages with certain characteristics have higher probabilities of claims. These characteristics include loans with loan-to-value ratios over 95% (or in certain markets that have experienced declining housing values, over 90%), FICO credit scores below 620, limited underwriting, including limited borrower documentation, or higher total debt-to-income ratios, as well as loans having combinations of higher risk factors. As of March 31, 2013, approximately 23.9% of our primary risk in force consisted of loans with loan-to-value ratios greater than 95%, 7.6% had FICO credit scores below 620, and 7.9% had limited underwriting, including limited borrower documentation, each attribute as determined at the time of loan origination. A material portion of these loans were written in 2005 — 2007 or the first quarter of 2008. In accordance with industry practice, loans approved by GSEs and other automated underwriting systems under “doc waiver” programs that do not require verification of borrower income are classified by us as “full documentation.” For additional information about such loans, see footnote (3) to the composition of primary default inventory table under “Results of Consolidated Operations-Losses-Losses incurred in Management’s Discussion and Analysis of Financial Condition and Results of Operations.

From time to time, in response to market conditions, we change the types of loans that we insure and the guidelines under which we insure them. Our underwriting guidelines are available on our website at http://www.mgic.com/underwriting/index.html. In addition, we make exceptions to our underwriting guidelines on a loan-by-loan basis and for certain customer programs. Together, the number of loans for which exceptions were made accounted for fewer than 2% of the loans we insured in 2012 and the first quarter of 2013.

During the second quarter of 2012, we began writing a portion of our new insurance under an endorsement to our master policy that limits our ability to rescind coverage on loans that meet the conditions in that endorsement, which is filed as Exhibit 99.7 to our quarterly report on Form 10-Q for the quarter ended March 31, 2012 (filed with the SEC on May 10, 2012). We estimate that approximately 52% of our new insurance written in the first quarter of 2013, was written under this endorsement. We expect that eventually a significant portion of our new insurance written will have rescission terms equivalent to those in this endorsement.

As of March 31, 2013, approximately 23.4% of our primary risk in force written through the flow channel, and 2.1% of our primary risk in force written through the bulk channel, consisted of adjustable rate mortgages in which the initial interest rate may be adjusted during the five years after the mortgage closing (“ARMs”). In the current interest rate environment, interest rates resetting in the near future are unlikely to exceed the interest rates at origination. We classify as fixed rate loans adjustable rate mortgages in which the initial interest rate is fixed during the five years after the mortgage closing. If interest rates should rise between the time of origination of such loans and when their interest rates may be reset, claims on ARMs and adjustable rate mortgages whose interest rates may only be adjusted after five years would be substantially higher than for fixed rate loans. In addition, we have insured “interest-only” loans, which may also be ARMs, and loans with negative amortization features, such as pay option ARMs. We believe claim rates on these loans will be substantially higher than on loans without scheduled payment increases that are made to borrowers of comparable credit quality.

Although we attempt to incorporate these higher expected claim rates into our underwriting and pricing models, there can be no assurance that the premiums earned and the associated investment income will be adequate to compensate for actual losses even under our current underwriting guidelines. We do, however, believe that given the various changes in our underwriting guidelines that were effective beginning in the first quarter of 2008, our insurance written beginning in the second quarter of 2008 will generate underwriting profits.

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The premiums we charge may not be adequate to compensate us for our liabilities for losses and as a result any inadequacy could materially affect our financial condition and results of operations.

We set premiums at the time a policy is issued based on our expectations regarding likely performance over the long-term. Our premiums are subject to approval by state regulatory agencies, which can delay or limit our ability to increase our premiums. Generally, we cannot cancel the mortgage insurance coverage or adjust renewal premiums during the life of a mortgage insurance policy. As a result, higher than anticipated claims generally cannot be offset by premium increases on policies in force or mitigated by our non-renewal or cancellation of insurance coverage. The premiums we charge, and the associated investment income, may not be adequate to compensate us for the risks and costs associated with the insurance coverage provided to customers. An increase in the number or size of claims, compared to what we anticipate, could adversely affect our results of operations or financial condition.

In January 2008, we announced that we had decided to stop writing the portion of our bulk business that insures loans included in Wall Street securitizations because the performance of such loans deteriorated materially in the fourth quarter of 2007 and this deterioration was materially worse than we experienced for loans insured through the flow channel or loans insured through the remainder of our bulk channel. As of December 31, 2007 we established a premium deficiency reserve of approximately $1.2 billion. As of March 31, 2013, the premium deficiency reserve was $72 million, which reflects the present value of expected future losses and expenses that exceeds the present value of expected future premium and already established loss reserves on these bulk transactions.

We continue to experience material losses, especially on the 2006 and 2007 books. The ultimate amount of these losses will depend in part on general economic conditions, including unemployment, and the direction of home prices, which in turn will be influenced by general economic conditions and other factors. Because we cannot predict future home prices or general economic conditions with confidence, there is significant uncertainty surrounding what our ultimate losses will be on our 2006 and 2007 books. Our current expectation, however, is that these books will continue to generate material incurred and paid losses for a number of years. There can be no assurance that an additional premium deficiency reserve on Wall Street Bulk or on other portions of our insurance portfolio will not be required.

It is uncertain what effect the extended timeframes in the foreclosure process, due to moratoriums, suspensions or issues arising from the investigation of servicers’ foreclosure procedures, will have on us.

In response to the significant increase in the number of foreclosures that began in 2009, various government entities and private parties have from time to time enacted foreclosure (or equivalent) moratoriums and suspensions (which we collectively refer to as moratoriums). In October 2010, a number of mortgage servicers temporarily halted some or all of the foreclosures they were processing after discovering deficiencies in their foreclosure processes and those of their service providers.  In response to the deficiencies, some states changed their foreclosure laws to require additional review and verification of the accuracy of foreclosure filings. Some states also added requirements to the foreclosure process, including mediation processes and requirements to file new affidavits.  Certain state courts have issued rulings calling into question the validity of some existing foreclosure practices. These actions halted or significantly delayed foreclosures. Furthermore five of the nation’s largest mortgage servicers agreed to implement new servicing and foreclosure practices as part of a settlement announced in February 2012, with the federal government and the attorneys general of 49 states.

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Past moratoriums or delays were designed to afford time to determine whether loans could be modified and did not stop the accrual of interest or affect other expenses on a loan, and we cannot predict whether any future moratorium or lengthened timeframes would do so. Therefore, unless a loan is cured during a moratorium or delay, at the completion of a foreclosure, additional interest and expenses may be due to the lender from the borrower. In some circumstances, our paid claim amount may include some additional interest and expenses. For moratoriums or delays resulting from investigations into servicers and other parties’ actions in foreclosure proceedings, our willingness to pay additional interest and expenses may be different, subject to the terms of our mortgage insurance policies. The various moratoriums and extended timeframes may temporarily delay our receipt of claims and may increase the length of time a loan remains in our delinquent loan inventory.

We do not know what effect improprieties that may have occurred in a particular foreclosure have on the validity of that foreclosure, once it was completed and the property transferred to the lender. Under our policy, in general, completion of a foreclosure is a condition precedent to the filing of a claim. Beginning in 2011 and from time to time, various courts have ruled that servicers did not provide sufficient evidence that they were the holders of the mortgages and therefore they lacked authority to foreclose. Some courts in other jurisdictions have considered similar issues and reached similar conclusions, but other courts have reached different conclusions. These decisions have not had a direct impact on our claims processes or rescissions.

We are susceptible to disruptions in the servicing of mortgage loans that we insure.

We depend on reliable, consistent third-party servicing of the loans that we insure. Over the last several years, the mortgage loan servicing industry has experienced consolidation. The resulting reduction in the number of servicers could lead to disruptions in the servicing of mortgage loans covered by our insurance policies. In addition, current housing market trends have led to significant increases in the number of delinquent mortgage loans requiring servicing. These increases have strained the resources of servicers, reducing their ability to undertake mitigation efforts that could help limit our losses, and have resulted in an increasing amount of delinquent loan servicing being transferred to specialty servicers. The transfer of servicing can cause a disruption in the servicing of delinquent loans. Future housing market conditions could lead to additional increases in delinquencies. Managing a substantially higher volume of non-performing loans could lead to increased disruptions in the servicing of mortgages. Investigations into whether servicers have acted improperly in foreclosure proceedings may further strain the resources of servicers.

If interest rates decline, house prices appreciate or mortgage insurance cancellation requirements change, the length of time that our policies remain in force could decline and result in declines in our revenue.

In each year, most of our premiums are from insurance that has been written in prior years. As a result, the length of time insurance remains in force, which is also generally referred to as persistency, is a significant determinant of our revenues. The factors affecting the length of time our insurance remains in force include:

· the level of current mortgage interest rates compared to the mortgage coupon rates on the insurance in force, which affects the vulnerability of the insurance in force to refinancings, and

· mortgage insurance cancellation policies of mortgage investors along with the current value of the homes underlying the mortgages in the insurance in force.

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Our persistency rate was 78.7% at March 31, 2013, compared to 79.8% at December 31, 2012 and 82.9% at December 31, 2011. During the 1990s, our year-end persistency ranged from a high of 87.4% at December 31, 1990 to a low of 68.1% at December 31, 1998. Since 2000, our year-end persistency ranged from a high of 84.7% at December 31, 2009 to a low of 47.1% at December 31, 2003.

Our persistency rate is affected by the level of current mortgage interest rates compared to the mortgage coupon rates on our insurance in force, which affects the vulnerability of the insurance in force to refinancing. Due to refinancing, we are currently experiencing lower persistency on our 2009 and 2010 books of business. This has been partially offset by higher persistency rates on our older books of business reflecting the more restrictive credit policies of lenders (which make it more difficult for homeowners to refinance loans), as well as declines in housing values. Future premiums on our insurance in force represent a material portion of our claims paying resources. We are unsure what the impact on our revenues will be as mortgages are refinanced, because the number of policies we write for replacement mortgages may be more or less than the terminated policies associated with the refinanced mortgages.

Your ownership in our company may be diluted by additional capital that we raise or if the holders of our outstanding convertible debt convert that debt into shares of our common stock.

Any future issuance of equity securities may dilute your ownership interest in our company. In addition, the market price of our common stock could decline as a result of sales of a large number of shares or similar securities in the market or the perception that such sales could occur.

We have $389.5 million principal amount of 9% Convertible Junior Subordinated Debentures outstanding. The principal amount of the debentures is currently convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 74.0741 common shares per $1,000 principal amount of debentures. This represents an initial conversion price of approximately $13.50 per share. On April 1, 2013, we paid all interest that we had previously elected to defer on these debentures. We continue to have the right, and may elect, to defer interest payable under the debentures in the future. If a holder elects to convert its debentures, the interest that has been deferred on the debentures being converted is also convertible into shares of our common stock. The conversion rate for such deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert the associated debentures. We may elect to pay cash for some or all of the shares issuable upon a conversion of the debentures. We also have $345 million principal amount of 5% Convertible Senior Notes and $500 million principal amount of 2% Convertible Senior Notes outstanding. The 5% Convertible Senior Notes are convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $13.44 per share. The 2% Convertible Senior Notes are convertible, at the holder’s option, at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $6.95 per share. We do not have the right to defer interest on our Convertible Senior Notes.

Our debt obligations materially exceed our holding company cash and investments

At March 31, 2013, we had approximately $671 million in cash and investments at our holding company and our holding company’s debt obligations were $1,335 million in aggregate principal amount, consisting of $100 million of Senior Notes due in November 2015, $345 million of Convertible Senior Notes due in 2017, $500 million of Convertible Senior Notes due in 2020 and $390 million of Convertible Junior Debentures due in 2063. Annual debt service on the debt outstanding as of March 31, 2013, is approximately $68 million.

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The Senior Notes, Convertible Senior Notes and Convertible Junior Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. Our holding company has no material sources of cash inflows other than investment income. The payment of dividends from our insurance subsidiaries, which prior to raising capital in the public markets in 2008, 2010 and 2013, had been the principal source of our holding company cash inflow, is restricted by insurance regulation. MGIC is the principal source of dividend-paying capacity.  Since 2008, MGIC has not paid any dividends to our holding company. Through 2013, MGIC cannot pay any dividends to our holding company without approval from the OCI. In connection with the approval of MIC as an eligible mortgage insurer, Freddie Mac and Fannie Mae have imposed dividend restrictions on MGIC and MIC through December 31, 2013. Any additional capital contributions to our subsidiaries would decrease our holding company cash and investments.

We could be adversely affected if personal information on consumers that we maintain is improperly disclosed.

As part of our business, we maintain large amounts of personal information on consumers. While we believe we have appropriate information security policies and systems to prevent unauthorized disclosure, there can be no assurance that unauthorized disclosure, either through the actions of third parties or employees, will not occur. Unauthorized disclosure could adversely affect our reputation and expose us to material claims for damages.

The implementation of the Basel III capital accord, or other changes to our customers’ capital requirements, may discourage the use of mortgage insurance.

In 1988, the Basel Committee on Banking Supervision (the “Basel Committee”) developed the Basel Capital Accord (Basel I), which set out international benchmarks for assessing banks’ capital adequacy requirements. In June 2005, the Basel Committee issued an update to Basel I (as revised in November 2005, Basel II). Basel II was implemented by many banks in the United States and many other countries in 2009 and 2010.

In December 2010, the Basel Committee released the nearly final version of Basel III. In June 2012, federal regulators requested public comments on proposed rules to implement Basel III. The proposed Basel III rules would increase the capital requirements of many banking organizations. Among other provisions, the proposed rules contain a range of risk weightings for residential mortgages held for investment by certain banking organizations, with the specific weighting dependent upon, among other things, a loan’s LTV. Unlike previous Basel rules, the proposed Basel III rules do not consider mortgage insurance when calculating a loan’s risk weighting. The rules, if implemented as proposed, may reduce the incentive of banking organizations to purchase mortgage insurance for loans held for investment. The proposed Basel III rules continue to afford FHA-insured loans and Ginnie Mae mortgage-backed securities (“MBS”) a lower risk weighting than loans held for investment by the banking organization and for Fannie Mae and Freddie Mac MBS. Therefore, with respect to capital requirements, FHA-insured loans will continue to have a competitive advantage over loans insured by private mortgage insurance and held for investment or sold to and securitized by the GSEs. Public comments to the proposed rules were due by October 22, 2012. It is uncertain what form the final rules will take. We are continuing to evaluate the potential effects of the proposed Basel III rules on our business.

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Our Australian operations may suffer significant losses.

We began international operations in Australia, where we started to write business in June 2007. Since 2008, we are no longer writing new business in Australia. Our existing risk in force in Australia is subject to the risks described in the general economic and insurance business-related factors discussed above. In addition to these risks, we are subject to a number of other risks from having deployed capital in Australia, including foreign currency exchange rate fluctuations and interest-rate volatility particular to Australia.

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XML

Fair Value Measurements, Unobservable Input Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Obligations of U.S. States and Political Subdivisions [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	$ 3,130	$ 114,226
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as realized investment gains (losses), net	0	(1,950)
Included in earnings and reported as losses incurred, net	0	0
Included in other comprehensive income		1,869
Purchases	30	27
Sales	(203)	(18,656)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at end of period	2,957	95,516
Amount of total losses included in earnings for the period attributable to the change in unrealized losses on assets still held at period end	0	0
Corporate Debt Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	17,114	60,228
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as realized investment gains (losses), net	(225)	(381)
Included in earnings and reported as losses incurred, net	0	0
Included in other comprehensive income		277
Purchases	0	0
Sales	(16,889)	(9,006)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at end of period	0	51,118
Amount of total losses included in earnings for the period attributable to the change in unrealized losses on assets still held at period end	0	0
Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	321	321
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as realized investment gains (losses), net	0	0
Included in earnings and reported as losses incurred, net	0	0
Included in other comprehensive income		0
Purchases	0	0
Sales	0	0
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at end of period	321	321
Amount of total losses included in earnings for the period attributable to the change in unrealized losses on assets still held at period end	0	0
Total Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	20,565	174,775
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as realized investment gains (losses), net	(225)	(2,331)
Included in earnings and reported as losses incurred, net	0	0
Included in other comprehensive income		2,146
Purchases	30	27
Sales	(17,092)	(27,662)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at end of period	3,278	146,955
Amount of total losses included in earnings for the period attributable to the change in unrealized losses on assets still held at period end	0	0
Real Estate Acquired [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance at beginning of period	3,463	1,621
Total realized/unrealized gains (losses) [Abstract]
Included in earnings and reported as realized investment gains (losses), net	0	0
Included in earnings and reported as losses incurred, net	(1,302)	(316)
Included in other comprehensive income		0
Purchases	8,014	2,082
Sales	(2,651)	(1,047)
Transfers into Level 3	0	0
Transfers out of Level 3	0	0
Balance at end of period	7,524	2,340
Amount of total losses included in earnings for the period attributable to the change in unrealized losses on assets still held at period end	$ 0	$ 0

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Reinsurance (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 Insurers	Mar. 31, 2012	Dec. 31, 2012
Reinsurance [Abstract]
Period of existing captive reinsurance agreement	10 years
Number of other mortgage insurers agreeing to similar CFPB settlements	3
Reinsurance recoverable on loss reserves related to captive agreements	$ 96		$ 104
Fair value of trust fund assets under captive agreements	289		303
Fair value of trust fund assets under captive agreements, no reinsurance recoverable on loss reserves	25		25
Trust fund assets transferred to us as a result of captive terminations	$ 3.0	$ 0.4
Percentage of quota share (in hundredths)	30.00%
Percentage of ceding commission (in hundredths)	20.00%

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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Fair value measurements for items measured at fair value

Fair value measurements for assets measured at fair value included the following as of March 31, 2013 and December 31, 2012:

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	884,735	$	884,735	$	-	$	-
Obligations of U.S. states and political subdivisions		799,442		-		796,485		2,957
Corporate debt securities		1,703,180		-		1,703,180		-
Asset-backed securities		330,739		-		330,739		-
Residential mortgage-backed securities		427,960		-		427,960		-
Commercial mortgage-backed securities		231,663		-		231,663		-
Collateralized loan obligations		19,901		-		19,901		-
Debt securities issued by foreign sovereign governments		140,142		140,142		-		-
Total debt securities		4,537,762		1,024,877		3,509,928		2,957
Equity securities		2,928		2,607		-		321
Total investments	$	4,540,690	$	1,027,484	$	3,509,928	$	3,278
Real estate acquired (1)	$	7,524	$	-	$	-	$	7,524
December 31, 2012
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	866,251	$	866,251	$	-	$	-
Obligations of U.S. states and political subdivisions		812,394		-		809,264		3,130
Corporate debt securities		1,480,941		-		1,463,827		17,114
Asset-backed securities		324,436		-		324,436		-
Residential mortgage-backed securities		450,909		-		450,909		-
Commercial mortgage-backed securities		150,342		-		150,342		-
Debt securities issued by foreign sovereign governments		142,066		142,066		-		-
Total debt securities		4,227,339		1,008,317		3,198,778		20,244
Equity securities		2,936		2,615		-		321
Total investments	$	4,230,275	$	1,010,932	$	3,198,778	$	20,565
Real estate acquired (1)	$	3,463	$	-	$	-	$	3,463

(1) Real estate acquired through claim settlement, which is held for sale, is reported in Other Assets on the consolidated balance sheet.

Reconciliation of beginning and ending balance for assets and liabilities measured at fair value with significant unobservable inputs (level 3)

For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three months ended March 31, 2013 and 2012 is as follows:

	Obligations of U.S. States and Political Subdivisions			Corporate Debt Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2012	$	3,130		$	17,114		$	321	$	20,565		$	3,463
Total realized/unrealized gains (losses):
Included in earnings and reported as realized investment gains (losses), net		-			(225	)		-		(225	)		-
Included in earnings and reported as losses incurred, net		-			-			-		-			(1,302	)
Purchases		30			-			-		30			8,014
Sales		(203	)		(16,889	)		-		(17,092	)		(2,651	)
Transfers into Level 3		-			-			-		-			-
Transfers out of Level 3		-			-			-		-			-
Balance at March 31, 2013	$	2,957		$	-		$	321	$	3,278		$	7,524
Amount of total losses included in earnings for the three months ended March 31, 2013 attributable to the change in unrealized losses on assets still held at March 31, 2013	$	-		$	-		$	-	$	-		$	-

	Obligations of U.S. States and Political Subdivisions			Corporate Debt Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2011	$	114,226		$	60,228		$	321	$	174,775		$	1,621
Total realized/unrealized gains (losses):
Included in earnings and reported as realized investment gains (losses), net		(1,950	)		(381	)		-		(2,331	)		-
Included in earnings and reported as losses incurred, net		-			-			-		-			(316	)
Included in other comprehensive income		1,869			277			-		2,146			-
Purchases		27			-			-		27			2,082
Sales		(18,656	)		(9,006	)		-		(27,662	)		(1,047	)
Transfers into Level 3		-			-			-		-			-
Transfers out of Level 3		-			-			-		-			-
Balance at March 31, 2012	$	95,516		$	51,118		$	321	$	146,955		$	2,340
Amount of total losses included in earnings for the three months ended March 31, 2012 attributable to the change in unrealized losses on assets still held at March 31, 2012	$	-		$	-		$	-	$	-		$	-

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Income Taxes (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2007	Dec. 31, 2012
Tax provision (benefit) [Abstract]
Benefit from income taxes	$ (21,590,000)	$ (6,062,000)
Change in valuation allowance	22,729,000	7,425,000
Provision for income taxes	1,139,000	1,363,000
Increase (decrease) in deferred tax valuation allowance, included in other comprehensive income, due to change in deferred tax liability related to unrealized gains/losses on investments	3,000,000	15,200,000
Valuation allowance	991,700,000			966,000,000
Net operating loss carryforwards, regular tax basis	2,600,000,000
Net operating loss carryforwards for computing the alternative minimum tax	1,700,000,000
Information regarding income tax examinations [Abstract]
Amount of IRS assessment for unpaid taxes and penalties related to REMIC issue			190,700,000
Amount of payment made related to the IRS assessment on the REMIC issue			$ 65,200,000

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Investments, Gain (Loss) on Investments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) and OTTI on investments	$ 1,259	$ 77,561
Gross realized gains, gross realized losses and impairment losses [Abstract]
Gains on sales	1,934	80,035
Losses on sales	(675)	(2,474)
Impairment losses	0	0
Total net realized gains (losses)	1,259	77,561
Fixed Maturities [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) and OTTI on investments	1,257	75,339
Equity Securities [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) and OTTI on investments	2	382
Other [Member]
Gain (Loss) on Investments [Line Items]
Net realized investment gains (losses) and OTTI on investments	$ 0	$ 1,840

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New Accounting Guidance

3 Months Ended

Mar. 31, 2013

New Accounting Guidance [Abstract]

New Accounting Guidance

Note 2 - New Accounting Guidance

In June 2011, as amended in December 2011, new guidance was issued requiring entities to present net income and other comprehensive income in either a single continuous statement or in two separate, but consecutive, statements of net income and other comprehensive income. The option to present items of other comprehensive income in the statement of changes in equity was eliminated. Our disclosures reflected the requirements of this new guidance beginning with the first quarter of 2012. Other provisions of this guidance regarding reclassifications out of other comprehensive income were finalized in February 2013. Our disclosures reflect the requirements of this additional guidance beginning with the first quarter of 2013.

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Loss Reserves (Details) (USD $)	3 Months Ended					12 Months Ended						36 Months Ended
	Mar. 31, 2013 Loan		Sep. 30, 2012 Notice	Mar. 31, 2012 Loan		Dec. 31, 2012 Loan		Dec. 31, 2011 Loan		Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Loan
Loss Reserve [Roll Forward]
Net reserve at beginning of period	$ 4,056,843,000			$ 4,557,512,000		$ 4,557,512,000
Less reinsurance recoverable	104,848,000			154,607,000		154,607,000
Net reserve at end of period	3,752,169,000	[1]		4,066,881,000	[1]	3,951,995,000	[2]	4,402,905,000	[2]			4,402,905,000	[2]
Losses and LAE incurred in respect of default notices related to:
Current year	268,793,000			280,565,000
Prior years	(2,585,000)	[3]		56,523,000	[3]
Subtotal	266,208,000	[4]		337,088,000	[4]
Losses and LAE paid in respect of default notices related to:
Current year	246,000			280,000
Prior years	468,933,000			673,257,000
Reinsurance terminations	(3,145,000)	[5]		(425,000)	[5]
Subtotal	466,034,000	[6]		673,112,000	[6]
Net reserve at end of period	3,752,169,000	[1]		4,066,881,000	[1]	3,951,995,000	[2]	4,402,905,000	[2]			4,402,905,000	[2]
Plus reinsurance recoverables	96,179,000			142,289,000		104,848,000		154,607,000				154,607,000
Reserve at end of period	3,848,348,000			4,209,170,000		4,056,843,000		4,557,512,000				4,557,512,000
Loss reserve reduction from rescission	200,000,000			600,000,000		200,000,000		700,000,000				700,000,000
Paid losses mitigated by rescission amount	35,000,000			100,000,000
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves	(3,000,000)	[7]		56,000,000	[7]
Historical average period for uncured default to develop into paid claim	12 months
Premium refund liability, expected claim payments	136,000,000					134,000,000
Primary Default Inventory [Roll Forward]
Default inventory at beginning of period	139,845			175,639		175,639
New Notices	27,864			34,781
Cures	(31,122)			(37,144)
Paids (including those charged to a deductible or captive)	(9,445)			(11,909)
Rescissions and denials	(532)			(894)
Default inventory at end of period	126,610			160,473		139,845		175,639				175,639
Number of rescindable loans affected by Company's decision to suspend rescissions for Countrywide	2,300
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for Countrywide	170,000,000
Number of rescindable loans affected by Company's decision to suspend rescissions for a specific customer	300
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for a specific customer	20,000,000
Number of rescindable loans affected by Company's decision to suspend rescissions for all other customers	265
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for all other customers	19,000,000
Pool insurance notice inventory [Abstract]
Pool insurance notice inventory (in number of loans)	7,890			26,601		8,594
Number of notices removed from pool notice inventory			15,600
Aging of the Primary Default Inventory [Abstract]
3 months or less	17,973			22,516		23,282
3 months or less (in hundredths)	14.00%			14.00%		17.00%
4 - 11 months	32,662			45,552		34,688
4 - 11 months (in hundredths)	26.00%			28.00%		25.00%
12 months or more	75,975			92,405		81,875
12 months or more (in hundredths)	60.00%			58.00%		58.00%
Total primary default inventory	126,610			160,473		139,845		175,639				175,639
Total primary default inventory (in hundredths)	100.00%			100.00%		100.00%
Primary claims received inventory included in ending default inventory	10,924	[8]		12,758	[8]	11,731	[8]
Primary claims received inventory included in ending default inventory (in hundredths)	9.00%	[8]		8.00%	[8]	8.00%	[8]
Number of payments delinquent [Abstract]
3 payments or less	28,376			33,579		34,245
3 payments or less (in hundredths)	23.00%			21.00%		24.00%
4 - 11 payments	32,253			45,539		34,458
4 - 11 payments (in hundredths)	25.00%			28.00%		25.00%
12 payments or more	65,981			81,355		71,142
12 payments or more (in hundredths)	52.00%			51.00%		51.00%
Total primary default inventory	126,610			160,473		139,845		175,639				175,639
Total primary default inventory (in hundredths)	100.00%			100.00%		100.00%
Claims resolved by rescissions [Abstract]
Mitigation of paid losses by rescission of policies	35,000,000					300,000,000						3,000,000,000
Percentage of claims received in a quarter resolved by rescission, lower range limit (in hundredths)	8.00%
Percentage of claims received in a quarter resolved by rescission, upper range limit (in hundredths)	28.00%
Estimated Rescission Reduction - Loss Reserve [Roll Forward]
Estimated rescission reduction - losses incurred	0					(200,000,000)		0		200,000,000	2,500,000,000
Estimated rescission reduction - ending reserve	200,000,000					200,000,000
Rescissions dispute period not ended (in hundredths)	40.00%
Premium refund liability, expected future rescissions	13,000,000					18,000,000
Statute of limitations to bring legal proceedings disputing right to rescind coverage	3 years
Increase (Decrease) in Estimated Claim Rate On primary Defaults [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves	(15,000,000)	[7]		50,000,000	[7]
Percentage of prior year default inventory resolved (in hundredths)	23.00%			22.00%
Increase (Decrease) in Estimated Severity, Primary Defaults [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves	20,000,000	[7]		0	[7]
Change In Estimates Related to Pool Reserves, LAE Reserves and Reinsurance [Member]
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]
Change in loss reserves	$ (8,000,000)	[7]		$ 6,000,000	[7]

[1] At March 31, 2013 and 2012, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.6 billion, respectively.

[2] At December 31, 2012 and 2011, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.7 billion, respectively.

[3] A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves, and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

[4] Rescissions did not have a significant impact on incurred losses in the three months ended March 31, 2013 or 2012.

[5] In a termination, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction to losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

[6] Rescissions mitigated our paid losses by an estimated $35 million in the three months ended March 31, 2013 and by an estimated $0.1 billion in the three months ended March 31, 2012, which excludes amounts that may have been applied to a deductible.

[7] A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

[8] Our claims received inventory includes suspended rescission as discussed in Note 5 – "Litigation and Contingencies." In connection with the Countrywide proceedings, we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable were affected by our decision to suspend such rescissions. Substantially all of these potential rescissions relate to claims received beginning in the first quarter of 2011 or later. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, were affected by our decision to suspend rescissions for another customer for which we also consider settlement probable. In addition, as of March 31, 2013, approximately 265 rescissions, representing total potential claim payments of approximately $19 million, were affected by our decision to suspend rescissions for customers other than those for which we consider settlement probable, as defined in ASC 450-20.

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Loss Reserves (Tables)

3 Months Ended

Mar. 31, 2013

Loss Reserves [Abstract]

Reconciliation of beginning and ending loss reserves

The following table provides a reconciliation of beginning and ending loss reserves for the three months ended March 31, 2013 and 2012:

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Reserve at beginning of period	$	4,056,843		$	4,557,512
Less reinsurance recoverable		104,848			154,607
Net reserve at beginning of period (1)		3,951,995			4,402,905
Losses incurred:
Losses and LAE incurred in respect of default notices related to:
Current year		268,793			280,565
Prior years (2)		(2,585	)		56,523
Subtotal (3)		266,208			337,088
Losses paid:
Losses and LAE paid in respect of default notices related to:
Current year		246			280
Prior years		468,933			673,257
Reinsurance terminations (4)		(3,145	)		(425	)
Subtotal (5)		466,034			673,112
Net reserve at end of period (6)		3,752,169			4,066,881
Plus reinsurance recoverables		96,179			142,289
Reserve at end of period	$	3,848,348		$	4,209,170

(1) At December 31, 2012 and 2011, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.7 billion, respectively.

(2) A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves, and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

(3) Rescissions did not have a significant impact on incurred losses in the three months ended March 31, 2013 or 2012.

(4) In a termination, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction to losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

(5) Rescissions mitigated our paid losses by an estimated $35 million in the three months ended March 31, 2013 and by an estimated $0.1 billion in the three months ended March 31, 2012, which excludes amounts that may have been applied to a deductible.

(6) At March 31, 2013 and 2012, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.6 billion, respectively.

Prior year development of the reserves

The prior year development of the reserves in the first quarter of 2013 and 2012 is reflected in the table below.

	Three months ended March 31,
	2013			2012
	(In millions)
Prior year loss development (1):
(Decrease) increase in estimated claim rate on primary defaults	$	(15	)	$	50
Increase in estimated severity on primary defaults		20			-
Change in estimates related to pool reserves, LAE reserves and reinsurance		(8	)		6
Total prior year loss development	$	(3	)	$	56

(1) A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

Rollforward of primary default inventory

A rollforward of our primary default inventory for the three months ended March 31, 2013 and 2012 appears in the table below. The information concerning new notices and cures is compiled from monthly reports received from loan servicers. The level of new notice and cure activity reported in a particular month can be influenced by, among other things, the date on which a servicer generates its report, the number of business days in a month and by transfers of servicing between loan servicers.

	Three Months Ended
	March 31,
	2013			2012
Default inventory at beginning of period		139,845			175,639
New Notices		27,864			34,781
Cures		(31,122	)		(37,144	)
Paids (including those charged to a deductible or captive)		(9,445	)		(11,909	)
Rescissions and denials		(532	)		(894	)
Default inventory at end of period		126,610			160,473

Aging of the primary default inventory

The decrease in the primary default inventory experienced during 2013 and 2012 was generally across all markets and all book years. However, the percentage of loans in the inventory that have been in default for 12 or more consecutive months has increased, as shown in the table below. Historically as a default ages it becomes more likely to result in a claim. The percentage of loans that have been in default for 12 or more consecutive months has been affected by our suspended rescissions discussed below.

Aging of the Primary Default Inventory
	March 31,				December 31,				March 31,
	2013				2012				2012
Consecutive months in default
3 months or less		17,973	14	%		23,282	17	%		22,516	14	%
4 - 11 months		32,662	26	%		34,688	25	%		45,552	28	%
12 months or more		75,975	60	%		81,875	58	%		92,405	58	%
Total primary default inventory		126,610	100	%		139,845	100	%		160,473	100	%
Primary claims received inventory included in ending default inventory (1)		10,924	9	%		11,731	8	%		12,758	8	%

(1) Our claims received inventory includes suspended rescission as discussed in Note 5 – "Litigation and Contingencies." In connection with the Countrywide proceedings, we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable was affected by our decision to suspend such rescissions. Substantially all of these potential rescissions relate to claims received beginning in the first quarter of 2011 or later. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for another customer for which we also consider settlement probable. In addition, as of March 31, 2013, coverage on approximately 265 loans, representing total potential claim payments of approximately $19 million, was affected by our decision to suspend rescissions for customers other than those for which we consider settlement probable, as defined in ASC 450-20.

Number of payments delinquent

The number of months a loan is in the default inventory can differ from the number of payments that the borrower has not made or is considered delinquent. These differences typically result from a borrower making monthly payments that do not result in the loan becoming fully current. The number of payments that a borrower is delinquent is shown in the table below.

Number of Payments Delinquent
	March 31,				December 31,				March 31,
	2013				2012				2012
3 payments or less		28,376	23	%		34,245	24	%		33,579	21	%
4 - 11 payments		32,253	25	%		34,458	25	%		45,539	28	%
12 payments or more		65,981	52	%		71,142	51	%		81,355	51	%
Total primary default inventory		126,610	100	%		139,845	100	%		160,473	100	%

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2013

Income Taxes [Abstract]

Tax provision (benefit)

The effect of the change in valuation allowance on the benefit from income taxes was as follows:

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Benefit from income taxes	$	(21,590	)	$	(6,062	)
Change in valuation allowance		22,729			7,425
Provision for income taxes	$	1,139		$	1,363

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Premium Deficiency Reserve (Details) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012		Dec. 31, 2012
Premium Deficiency Reserve [Abstract]
Present value of expected future paid losses and expenses, net of expected future premium	$ (808,000,000)		$ (903,000,000)		$ (840,000,000)
Established loss reserves	736,000,000		782,000,000		766,000,000
Net deficiency	(72,131,000)		(121,000,000)
Change in premium deficiency reserve, excluding prior period adjustments	2,000,000		14,000,000
Premium Deficiency Reserve [Roll Forward]
Premium Deficiency Reserve at beginning of period	(73,781,000)		(135,000,000)
Paid claims and loss adjustment expenses	58,000,000		76,000,000
Decrease in loss reserves	(30,000,000)		(44,000,000)
Premium earned	(23,000,000)		(28,000,000)
Effects of present valuing on future premiums, losses and expenses	(2,000,000)		0
Change in premium deficiency reserve to reflect actual premium, losses and expenses recognized	3,000,000		4,000,000
Change in premium deficiency reserve to reflect change in assumptions relating to future premiums, losses expenses and discount rate	(1,000,000)	[1]	10,000,000	[1]
Premium Deficiency Reserve at end of period	$ (72,131,000)		$ (121,000,000)

[1] A (negative) positive number for changes in assumptions relating to premiums, losses, expenses and discount rate indicates a (deficiency) redundancy of the prior premium deficiency reserve.

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Premium Deficiency Reserve (Tables)

3 Months Ended

Mar. 31, 2013

Premium Deficiency Reserve [Abstract]

Components of premium deficiency reserve

The components of the premium deficiency reserve at March 31, 2013, December 31, 2012 and March 31, 2012 appear in the table below.

	March 31,			December 31,			March 31,
	2013			2012			2012
	(In millions)
Present value of expected future paid losses and expenses, net of expected future premium	$	(808	)	$	(840	)	$	(903	)
Established loss reserves		736			766			782
Net deficiency	$	(72	)	$	(74	)	$	(121	)

Reconciliation of beginning and ending balances in the premium deficiency reserve

The decrease in the premium deficiency reserve for the three months ended March 31, 2013 and 2012 was $2 million and $14 million, respectively, as shown in the table below, which represents the net result of actual premiums, losses and expenses as well as a net change in assumptions for these periods. The net change in assumptions for the three months ended March 31, 2013 is primarily related to higher estimated ultimate losses. The net change in assumptions for the three months ended March 31, 2012 is primarily related to higher estimated ultimate premiums.

	Three Months Ended March 31,
	2013						2012
	(In millions)
Premium Deficiency Reserve at beginning of period				$	(74	)				$	(135	)
Paid claims and loss adjustment expenses	$	58					$	76
Decrease in loss reserves		(30	)					(44	)
Premium earned		(23	)					(28	)
Effects of present valuing on future premiums, losses and expenses		(2	)					-
Change in premium deficiency reserve to reflect actual premium, losses and expenses recognized					3						4
Change in premium deficiency reserve to reflect change in assumptions relating to future premiums, losses, expenses and discount rate (1)					(1	)					10
Premium Deficiency Reserve at end of period				$	(72	)				$	(121	)

(1) A (negative) positive number for changes in assumptions relating to premiums, losses, expenses and discount rate indicates a (deficiency) redundancy of the prior premium deficiency reserve.

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Basis of Presentation (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013 Jurisdiction	Dec. 31, 2012
Basis of Presentation [Abstract]
Number of jurisdictions with risk-to-capital requirements	16
Related Party Transaction [Line Items]
Contribution To Subsidiary	$ 800,000,000
Direct domestic primary risk in force	800,000,000
Amount of policyholders position above or below required MPP	168,000,000
Amount of required MPP	1,200,000,000
Risk-to-capital ratio of combined insurance operations, including reinsurance affiliates, at end of period	23.1 to 1
Percentage of new insurance written in jurisdictions with risk-to-capital requirements (in hundredths)	50.00%	50.00%
Maximum risk-to-capital requirement of a subsidiary under a GSE agreement	18:1
Number of days in which review needs to be completed from triggering event	60 days
Dividend paid period	30 days
Percentage of surplus as regards policyholders (in hundredths)	10.00%
Statutory deferred tax assets admitted	136,000,000	63,000,000
Mortgage Guaranty Insurance Corporation [Member]
Related Party Transaction [Line Items]
Maximum permitted risk-to-capital ratio commonly applied	25 to 1
Risk to capital ratio at end of period	20.4 to 1
MGIC Indemnity Corporation [Member]
Related Party Transaction [Line Items]
Risk to capital ratio at end of period	1.8 to 1
Statutory capital of subsidiary	$ 450,000,000
Number of days for which mortgage insurance can be written in jurisdictions that do not have capital requirements if parent is unable to do so	60 days
MGIC Investment Corporation [Member]
Related Party Transaction [Line Items]
Period for honoring claim obligations	5 years

XML

Basis of Presentation

3 Months Ended

Mar. 31, 2013

Basis of Presentation [Abstract]

Basis of Presentation

Note 1 - Basis of Presentation

MGIC Investment Corporation is a holding company which, through Mortgage Guaranty Insurance Corporation ("MGIC"), MGIC Indemnity Corporation ("MIC") and several other subsidiaries, is principally engaged in the mortgage insurance business. We provide mortgage insurance to lenders throughout the United States and to government sponsored entities ("GSEs") to protect against loss from defaults on low down payment residential mortgage loans.

The accompanying unaudited consolidated financial statements of MGIC Investment Corporation and its wholly-owned subsidiaries have been prepared in accordance with the instructions to Form 10-Q as prescribed by the Securities and Exchange Commission ("SEC") for interim reporting and do not include all of the other information and disclosures required by accounting principles generally accepted in the United States of America ("GAAP"). These statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2012 included in our Annual Report on Form 10-K. As used below, "we," "our" and "us" refer to MGIC Investment Corporation's consolidated operations or to MGIC Investment Corporation, as the context requires.

In the opinion of management the accompanying financial statements include all adjustments, consisting primarily of normal recurring accruals, necessary to fairly state our financial position and results of operations for the periods indicated. The results of operations for the interim period may not be indicative of the results that may be expected for the year ending December 31, 2013.

Capital

The insurance laws of 16 jurisdictions, including Wisconsin, our domiciliary state, require a mortgage insurer to maintain a minimum amount of statutory capital relative to the risk in force (or a similar measure) in order for the mortgage insurer to continue to write new business. We refer to these requirements as the "Capital Requirements." While they vary among jurisdictions, the most common Capital Requirements allow for a maximum risk-to-capital ratio of 25 to 1. A risk-to-capital ratio will increase if the percentage decrease in capital exceeds the percentage decrease in insured risk. Therefore, as capital decreases, the same dollar decrease in capital will cause a greater percentage decrease in capital and a greater increase in the risk-to-capital ratio. Wisconsin does not regulate capital by using a risk-to-capital measure but instead requires a minimum policyholder position ("MPP"). The "policyholder position" of a mortgage insurer is its net worth or surplus, contingency reserve and a portion of the reserves for unearned premiums.

During part of 2012 and 2013, MGIC's risk-to-capital ratio exceeded 25 to 1. In March 2013, our holding company issued additional equity and convertible debt securities and transferred $800 million to increase MGIC's capital. As a result, at March 31, 2013, MGIC's risk-to-capital ratio was 20.4 to 1, below the maximum allowed by the jurisdictions with Capital Requirements, and its policyholder position was $168 million above the required MPP of $1.2 billion. At March 31, 2013, the risk-to-capital ratio of our combined insurance operations (which includes reinsurance affiliates) was 23.1 to 1. A higher risk-to-capital ratio on a combined basis may indicate that, in order for MGIC to continue to utilize reinsurance arrangements with its subsidiaries or subsidiaries of our holding company, additional capital contributions to the reinsurance affiliates could be needed. These reinsurance arrangements permit MGIC to write insurance with a higher coverage percentage than it could on its own under certain state-specific requirements.

At this time, we expect MGIC to continue to comply with the current Capital Requirements, although factors that could negatively affect such compliance are discussed throughout the financial statement footnotes. The remainder of the discussion in this footnote addresses circumstances that would be significant if we were not in such compliance.

The Office of the Commissioner of Insurance of the State of Wisconsin ("OCI") has waived MGIC's compliance with Wisconsin's Capital Requirements until December 31, 2013 (the "OCI Waiver"). The OCI, in its sole discretion, may modify, terminate or extend the OCI Waiver. If the OCI modifies or terminates its waiver, or if it fails to renew its waiver upon expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in all jurisdictions. We cannot assure you that MGIC will comply with the Capital Requirements in the future. If MGIC were prevented from writing new business in all jurisdictions, our insurance operations in MGIC would be in run-off (meaning no new loans would be insured but loans previously insured would continue to be covered, with premiums continuing to be received and losses continuing to be paid on those loans) until MGIC either met the Capital Requirements or obtained a necessary waiver to allow it to once again write new business.

MGIC applied for waivers in the other jurisdictions with Capital Requirements and received waivers from some of them. Insurance departments, in their sole discretion, may modify, terminate or extend their waivers of Capital Requirements. If an insurance department other than the OCI modifies or terminates its waiver, or if it fails to grant a waiver or renew its waiver after expiration, and if MGIC does not comply with the Capital Requirements at that time, MGIC could be prevented from writing new business in that particular jurisdiction. New insurance written in the jurisdictions that have Capital Requirements represented approximately 50% of our new insurance written in 2012 and the first quarter of 2013. Depending on the level of losses that MGIC experiences in the future, it is possible that regulatory action by one or more jurisdictions, including those that do not have specific Capital Requirements, may prevent MGIC from continuing to write new insurance in that jurisdiction. The National Association of Insurance Commissioners ("NAIC") is reviewing the minimum capital and surplus requirements for mortgage insurers, although it has not established a date by which it must make proposals to change such requirements. Depending on the scope of proposals made by the NAIC, MGIC may be prevented from writing new business in the jurisdictions adopting such proposals. The GSEs are also developing mortgage insurer capital standards that would replace the use of external credit ratings. Revised capital standards are expected to be released in 2013, however the timing of their implementation is unknown.

A possible future failure by MGIC to meet the Capital Requirements will not necessarily mean that MGIC lacks sufficient resources to pay claims on its insurance liabilities. While we believe MGIC has sufficient claims paying resources to meet its claim obligations on its insurance in force on a timely basis, we cannot assure you that events that may lead MGIC to fail to meet Capital Requirements would not also result in it not having sufficient claims paying resources. Furthermore, our estimates of MGIC's claims paying resources and claim obligations are based on various assumptions. These assumptions include the timing of the receipt of claims on loans in our delinquency inventory and future claims that we anticipate will ultimately be received, our anticipated rescission activity, premiums, housing values and unemployment rates. These assumptions are subject to inherent uncertainty and require judgment by management. Current conditions in the domestic economy make the assumptions about when anticipated claims will be received, housing values, and unemployment rates highly volatile in the sense that there is a wide range of reasonably possible outcomes. Our anticipated rescission activity is also subject to inherent uncertainty due to the difficulty of predicting the amount of claims that will be rescinded and the outcome of any legal proceedings or settlement discussions related to rescissions. Factors that could negatively affect MGIC's claims paying resources are discussed throughout the financial statement footnotes.

We have in place a longstanding plan to write new business in MIC, a direct subsidiary of MGIC, if MGIC is unable to do so. During 2012, MIC began writing new business on the same policy terms as MGIC in the jurisdictions where MGIC did not have active waivers of the Capital Requirements. Because MGIC again meets the Capital Requirements, MGIC will again be writing new business in all jurisdictions and MIC will suspend writing new business. As of March 31, 2013, MIC had statutory capital of $450 million and risk in force of approximately $800 million. MIC is licensed to write business in all jurisdictions and, subject to the conditions and restrictions discussed below, has received the necessary approvals from the GSEs and the OCI to write business in all of the jurisdictions where MGIC may become unable to do so because those jurisdictions have not waived their Capital Requirements for MGIC.

Under an agreement in place with Fannie Mae, as amended November 30, 2012, MIC will be eligible to write mortgage insurance through December 31, 2013, in those jurisdictions (other than Wisconsin) in which MGIC cannot write new insurance due to MGIC's failure to meet Capital Requirements and to obtain a waiver of them. MIC is also approved to write mortgage insurance for 60 days in jurisdictions that do not have Capital Requirements if a jurisdiction notifies MGIC that, due to its financial condition, it may no longer write new business. The agreement with Fannie Mae contains certain conditions and restrictions to its continued effectiveness including the continued effectiveness of the OCI Order.

Under a letter from Freddie Mac that was amended and restated as of November 30, 2012, Freddie Mac approved MIC to write business only in those jurisdictions (other than Wisconsin) where either (a) MGIC is unable to write business because it does not meet the Capital Requirements and does not obtain waivers of them, or (b) MGIC receives notice that it may not write business because of that jurisdiction's view of MGIC's financial condition. This approval of MIC, which may be withdrawn at any time, expires December 31, 2013, or earlier if a financial examination by the OCI determines that there is a reasonable probability that MGIC will be unable to honor claim obligations at any time in the five years after the examination, or if MGIC fails to honor claim payments. The approval from Freddie Mac, contains certain conditions and restrictions to its continued effectiveness, including requirements that MIC not exceed a risk-to-capital ratio of 18:1 (at March 31, 2013, MIC's risk-to-capital ratio was 1.8 to 1); MGIC and MIC comply with all terms and conditions of the OCI Waiver; the OCI Waiver remain effective; and MIC provide MGIC access to the capital of MIC in an amount necessary for MGIC to maintain sufficient liquidity to satisfy its obligations under insurance policies issued by MGIC.

On November 29, 2012, the OCI issued an order, effective until December 31, 2013, establishing a procedure for MIC to pay a dividend to MGIC if either of the following two events occurs: (1) an OCI examination determines that there is a reasonable probability that MGIC will be unable to honor its policy obligations at any time during the five years after the examination, or (2) MGIC fails to honor its policy obligations that it in good faith believes are valid. If one of these events occurs, the OCI is to conduct a review (to be completed within 60 days after the triggering event) to determine the maximum single dividend MIC could prudently pay to MGIC for the benefit of MGIC's policyholders, taking account of the interests of MIC's policyholders and the general public and certain standards for dividends imposed by Wisconsin law. Upon the completion of the review, the OCI will authorize, and MIC will pay, such a dividend within 30 days.

We cannot assure you that the GSEs will approve or continue to approve MIC to write new business in all jurisdictions in which MGIC may become unable to do so, or that they will extend their approvals upon expiration. If one GSE does not approve MIC in all jurisdictions in which MGIC becomes unable to write new business, MIC may be able to write insurance on loans that will be sold to the other GSE or retained by private investors. However, because lenders may not know which GSE will purchase their loans until mortgage insurance has been procured, lenders may be unwilling to procure mortgage insurance from MIC. Furthermore, if we are unable to write business in all jurisdictions utilizing a combination of MGIC and MIC, lenders may be unwilling to procure insurance from us anywhere. In addition, a lender's assessment of the financial strength of our insurance operations may affect its willingness to procure insurance from us.

Statement of Statutory Accounting Principles No. 101 ("SSAP No. 101") became effective January 1, 2012 and prescribed new standards for determining the amount of deferred tax assets that can be recognized as admitted assets for determining statutory capital. Under a permitted practice effective September 30, 2012 and until further notice, the OCI has approved MGIC to report its net deferred tax asset as an admitted asset in an amount not to exceed 10% of surplus as regards policyholders, notwithstanding any contrary provisions of SSAP No. 101. Deferred tax assets of $136 million and $63 million were included in MGIC's statutory capital at March 31, 2013 and December 31, 2012, respectively.

Reclassifications

Certain reclassifications have been made in the accompanying financial statements to 2012 amounts to conform to 2013 presentation.

Subsequent events

We have considered subsequent events through the date of this filing.

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Debt (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2013 Period	Mar. 31, 2012	Dec. 31, 2012
Debt Instrument [Line Items]
Debt instrument description of event of default	we fail to meet any of the covenants of the 5% Notes and such failure continues for 60 days after we receive notice from holders of 25% or more of the 5% Notes
Net proceeds from convertible senior notes	$ 484,670,000	$ 0
Amortized value of notes recorded as a liability on the consolidated balance sheet	389,522,000		379,609,000
Holding company cash and investments	671,000,000
Unrealized gain loss on holding company investments	1,300,000
Modified duration of holding company investments	2 years
Par Value [Member]
Liabilities [Abstract]
Senior Notes	100,118,000		100,118,000
Convertible Senior Notes due 2017	345,000,000		345,000,000
Convertible Senior Notes due 2020	500,000,000
Convertible Junior Subordinated Debentures	389,522,000		389,522,000
Total Debt	1,334,640,000		834,640,000
Fair Value [Member]
Liabilities [Abstract]
Senior Notes	98,266,000		79,594,000
Convertible Senior Notes due 2017	341,550,000		242,880,000
Convertible Senior Notes due 2020	511,565,000
Convertible Junior Subordinated Debentures	390,009,000		173,096,000
Total Debt	1,341,390,000		495,570,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Liabilities [Abstract]
Senior Notes	98,266,000		79,594,000
Convertible Senior Notes due 2017	341,550,000		242,880,000
Convertible Senior Notes due 2020	511,565,000
Convertible Junior Subordinated Debentures	0		0
Total Debt	951,381,000		322,474,000
Significant Other Observable Inputs (Level 2) [Member]
Liabilities [Abstract]
Senior Notes	0		0
Convertible Senior Notes due 2017	0		0
Convertible Senior Notes due 2020	0
Convertible Junior Subordinated Debentures	390,009,000		173,096,000
Total Debt	390,009,000		173,096,000
Significant Unobservable Inputs (Level 3) [Member]
Liabilities [Abstract]
Senior Notes	0		0
Convertible Senior Notes due 2017	0		0
Convertible Senior Notes due 2020	0
Convertible Junior Subordinated Debentures	0		0
Total Debt	0		0
Senior Notes [Member]
Debt Instrument [Line Items]
Minimum percentage of consolidated shareholders' equity that determines designated subsidiary status (in hundredths)	15.00%
Restriction on acceleration of other debt	40,000,000
Default period	30 days
Minimum percentage of aggregate notes held to grant acceleration rights to note holders (in hundredths)	25.00%
Interest payments made	0	0
Senior Notes [Member] | Senior Notes Due 2015 [Member]
Debt Instrument [Line Items]
Outstanding principal amount	100,100,000		100,100,000
Stated interest rate (in hundredths)	5.375%		5.375%
Maturity date	November 2015		November 2015
Annual rate (in hundredths)	5.375%		5.375%
Convertible Senior Notes - due April 2020 [Member]
Debt Instrument [Line Items]
Outstanding principal amount	500,000,000
Stated interest rate (in hundredths)	2.00%
Maturity date	April 1, 2020
Restriction on acceleration of other debt	40,000,000
Default period	30 days
Minimum percentage of aggregate notes held to grant acceleration rights to note holders (in hundredths)	25.00%
Restriction on final judgments	40,000,000
Conversion rate (in shares per $1,000 note)	143.8332
Principal amount of notes used in determining conversion rate	1,000
Initial conversion price (in dollars per share)	$ 6.95
Net proceeds from convertible senior notes	484,700,000
Redemption price, percentage (in hundredths)	100.00%
Percentage of conversion price (in hundredths)	130.00%
Minimum number of trading days	20 days
Maximum number of trading days	30 days
Annual rate (in hundredths)	2.00%
Convertible Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Outstanding principal amount	345,000,000		345,000,000
Stated interest rate (in hundredths)	5.00%		5.00%
Maturity date	May 1, 2017
Restriction on acceleration of other debt	40,000,000
Default period	30 days
Minimum percentage of aggregate notes held to grant acceleration rights to note holders (in hundredths)	25.00%
Interest payments made	0	0
Restriction on final judgments	40,000,000
Conversion rate (in shares per $1,000 note)	74.4186
Principal amount of notes used in determining conversion rate	1,000
Initial conversion price (in dollars per share)	$ 13.44
Annual rate (in hundredths)	5.00%		5.00%
Convertible Junior Subordinated Debentures Due 2063 [Member]
Debt Instrument [Line Items]
Outstanding principal amount	389,500,000		389,500,000
Stated interest rate (in hundredths)	9.00%		9.00%
Maturity date	April 1, 2063
Minimum percentage of aggregate notes held to grant acceleration rights to note holders (in hundredths)	25.00%
Interest payments made	0	0
Conversion rate (in shares per $1,000 note)	74.0741
Principal amount of notes used in determining conversion rate	1,000
Initial conversion price (in dollars per share)	$ 13.50
Redemption price, percentage (in hundredths)	100.00%
Percentage of conversion price (in hundredths)	130.00%
Minimum number of trading days	20 days
Maximum number of trading days	30 days
Effective interest rate (in hundredths)	19.00%		19.00%
Amortized value of notes recorded as a liability on the consolidated balance sheet			379,600,000
Minimum number of consecutive interest periods for which interest payments may be deferred	1
Maximum period for which interest payments may be deferred without giving rise to an event of default	10 years
Annual rate (in hundredths)	9.00%		9.00%
Interest payment deferred	18,300,000
Interest payment due on the debentures	$ 17,500,000
Period in which reasonable commercial efforts must begin, maximum	1 day
Anniversary payment release of the start of the interest deferral to the Alternative Payment Mechanism in lieu of the final maturity of the debentures	tenth
Period in which reasonable commercial efforts must begin, minimum	fifth anniversary of the interest payment date
Net proceeds cap (in hundredths)	2.00%
Maximum number of shares of common stock issuable under the Alternative Payment Mechanism (in shares)	10
Maximum percentage of aggregate principal amount of the debentures (in hundredths)	25.00%
Period preceding election to convert	5 days

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Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012	Dec. 31, 2012
Other comprehensive income (before tax) [Abstract]
Change in unrealized gains and losses on investments	$ (10,539)		$ (46,926)
Unrealized foreign currency translation adjustment	486		1,667
Other comprehensive income (loss)	(10,053)		(45,259)
Other comprehensive income (tax) [Abstract]
Change in unrealized gains and losses on investments	3,592		16,256
Unrealized foreign currency translation adjustment	(170)		(584)
Other comprehensive income (loss)	3,422		15,672
Other comprehensive income (valuation allowance) [Abstract]
Change in unrealized investment gains and losses, net	(3,007)		(15,248)
Other comprehensive income foreign currency translation valuation allowance	0		0
Other comprehensive income (loss)	(3,007)		(15,248)
Other comprehensive income (net of tax) [Abstract]
Change in unrealized investment gains and losses on investments	(9,954)		(45,918)
Unrealized foreign currency translation adjustment	316		1,083
Other comprehensive income (loss)	(9,638)		(44,835)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period, before tax	2,484
Other comprehensive income (loss) before reclassifications	(7,981)
Amounts reclassified from accumulated other comprehensive income (loss)	2,072
Other comprehensive income (loss)	(10,053)		(45,259)
Balance at end of period, before tax	(7,569)
Tax effect	(50,232)	[1]
Total accumulated other comprehensive income (loss), net of tax	(57,801)			(48,163)
Tax Effect due to valuation allowance (in hundredths)	35.00%
Unrealized gains and losses on available-for-sale securities [Member]
Other comprehensive income (before tax) [Abstract]
Other comprehensive income (loss)	(10,539)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period, before tax	41,541
Other comprehensive income (loss) before reclassifications	(8,467)
Amounts reclassified from accumulated other comprehensive income (loss)	2,072	[2]
Other comprehensive income (loss)	(10,539)
Balance at end of period, before tax	31,002
Tax effect	(66,054)	[1]
Total accumulated other comprehensive income (loss), net of tax	(35,052)
Foreign currency translation [Member]
Other comprehensive income (before tax) [Abstract]
Other comprehensive income (loss)	486
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period, before tax	32,747
Other comprehensive income (loss) before reclassifications	486
Amounts reclassified from accumulated other comprehensive income (loss)	0
Other comprehensive income (loss)	486
Balance at end of period, before tax	33,233
Tax effect	(11,118)	[1]
Total accumulated other comprehensive income (loss), net of tax	22,115
Defined benefit plans [Member]
Other comprehensive income (before tax) [Abstract]
Other comprehensive income (loss)	0
Accumulated Other Comprehensive Income Loss [Line Items]
Balance at beginning of period, before tax	(71,804)
Other comprehensive income (loss) before reclassifications	0
Amounts reclassified from accumulated other comprehensive income (loss)	0
Other comprehensive income (loss)	0
Balance at end of period, before tax	(71,804)
Tax effect	26,940	[1]
Total accumulated other comprehensive income (loss), net of tax	$ (44,864)

[1] Tax effect does not approximate 35% due to amounts of tax benefits not provided in various periods due to our tax valuation allowance.

[2] During the three months ended March 31, 2013, unrealized gains and losses of $2.1 million were reclassified to the Consolidated Statement of Operations and included in Realized investment gains.

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CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Securities, available-for-sale, at fair value:
Fixed maturities (amortized cost, 2013 - $4,506,873; 2012 - $4,185,937)	$ 4,537,762	$ 4,227,339
Equity securities	2,928	2,936
Total investment portfolio	4,540,690	4,230,275
Cash and cash equivalents	1,635,810	1,027,625
Accrued investment income	31,290	27,243
Reinsurance recoverable on loss reserves (note 4)	96,179	104,848
Reinsurance recoverable on paid losses	13,283	15,605
Premium receivable	72,641	67,828
Home office and equipment, net	26,863	27,190
Deferred insurance policy acquisition costs	12,208	11,245
Other assets	79,534	62,465
Total assets	6,508,498	5,574,324
Liabilities:
Loss reserves (note 12)	3,848,348	4,056,843
Premium deficiency reserve (note 13)	72,131	73,781
Unearned premiums	140,213	138,840
Senior notes (note 3)	99,929	99,910
Convertible senior notes (note 3)	845,000	345,000
Convertible junior debentures (note 3)	389,522	379,609
Other liabilities	335,673	283,401
Total liabilities	5,730,816	5,377,384
Contingencies (note 5)
Shareholders' equity (note 14):
Common stock (one dollar par value, shares authorized 680,000; shares issued 2013 - 340,047; 2012 - 205,047; shares outstanding 2013 - 337,758; 2012 - 202,032)	340,047	205,047
Paid-in capital	1,657,567	1,135,296
Treasury stock (shares at cost 2013 - 2,289; 2012 - 3,015)	(64,435)	(104,959)
Accumulated other comprehensive loss, net of tax (note 9)	(57,801)	(48,163)
Retained deficit	(1,097,696)	(990,281)
Total shareholders' equity	777,682	196,940
Total liabilities and shareholders' equity	$ 6,508,498	$ 5,574,324

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Shareholders' Equity (Details) (USD $)	3 Months Ended				3 Months Ended		3 Months Ended
	Mar. 31, 2013 Right	Mar. 31, 2012	Mar. 31, 2013 Convertible Debentures [Member]	Dec. 31, 2012 Convertible Debentures [Member]	Mar. 31, 2013 Convertible Senior Notes [Member]	Dec. 31, 2012 Convertible Senior Notes [Member]	Mar. 31, 2013 Convertible Senior Notes - due April 2020 [Member]
Shareholders' Equity [Abstract]
Sale of common stock (in shares)	135,000,000
Sale of common stock, price per share (in dollars per share)	$ 5.15
Sale of common stock, net proceeds	$ 663,542,000	$ 0
Debt Instrument [Line Items]
Outstanding principal amount			389,500,000	389,500,000	345,000,000	345,000,000	500,000,000
Stated interest rate (in hundredths)			9.00%	9.00%	5.00%	5.00%	2.00%
Maturity date			April 1, 2063		May 1, 2017		April 1, 2020
Conversion rate (in shares per $1,000 note)			74.0741		74.4186		143.8332
Principal amount of notes used in determining conversion rate			1,000		1,000		1,000
Initial conversion price (in dollars per share)			$ 13.50		$ 13.44		$ 6.95
Contribution to subsidiary	$ 800,000,000
Shareholder Rights Agreement [Abstract]
Shareholder rights accompanying each outstanding share of the company's common stock (in number of Rights)	1
Distribution date, description	the earlier of ten days after a public announcement that a person has become an Acquiring Person, or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an Acquiring Person.
Common stock, beneficial ownership threshold to be considered an Acquiring Person (in hundredths)	5.00%
Common shares purchaseable per Right (in shares)	0.01
Purchase price (in dollars per share)	$ 14
Purchase price (in dollars per one-tenth share)	$ 1.40
Redemption price (in dollars per Right)	$ 0.001

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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (USD $) In Thousands	Common stock [Member]	Paid-in capital [Member]	Treasury stock [Member]	Accumulated other comprehensive income (loss) [Member]	Retained earnings (deficit) [Member]	Total
Balance at Dec. 31, 2011	$ 205,047	$ 1,135,821	$ (162,542)	$ 30,124	$ (11,635)
Net loss					(927,079)
Change in unrealized investment gains and losses, net (notes 7 and 8)	0	0	0	(78,659)	0
Reissuance of treasury stock, net	0	(8,749)	57,583	0	(51,567)
Equity compensation	0	8,224	0	0	0
Defined benefit plan adjustments, net	0	0	0	(1,221)	0
Unrealized foreign currency translation adjustment	0	0	0	1,593	0
Balance at Dec. 31, 2012	205,047	1,135,296	(104,959)	(48,163)	(990,281)	196,940
Net loss					(72,930)	(72,930)
Change in unrealized investment gains and losses, net (notes 7 and 8)	0	0	0	(9,954)	0	(9,954)
Common stock issuance (note 14)	135,000	528,542	0	0	0
Reissuance of treasury stock, net	0	(7,892)	40,524	0	(34,485)
Equity compensation	0	1,621	0	0	0
Unrealized foreign currency translation adjustment	0	0	0	316	0	316
Balance at Mar. 31, 2013	$ 340,047	$ 1,657,567	$ (64,435)	$ (57,801)	$ (1,097,696)	$ 777,682

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Earnings (Loss) per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Basic earnings per share [Abstract]
Weighted average common shares outstanding (in shares)	232,348,000	201,528,000
Net loss	$ (72,930)	$ (19,555)
Basic loss per share (in dollars per share)	$ (0.31)	$ (0.1)
Diluted earnings per share [Abstract]
Weighted-average shares - Basic (in shares)	232,348,000	201,528,000
Common stock equivalents (in shares)	0	0
Weighted-average shares - Diluted (in shares)	232,348,000	201,528,000
Net loss	$ (72,930)	$ (19,555)
Diluted loss per share (in dollars per share)	$ (0.31)	$ (0.1)
Participating Securities [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from EPS calculation (in shares)	1,200,000	1,100,000
Common Stock Equivalents [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from EPS calculation (in shares)	77,300,000	56,000,000

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Debt (Tables)

3 Months Ended

Mar. 31, 2013

Debt [Abstract]

Par value and fair value of debt

The par value and fair value of our debt at March 31, 2013 and December 31, 2012 appears in the table below.

	Par Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
Liabilities:
Senior Notes	$	100,118	$	98,266	$	98,266	$	-	$	-
Convertible Senior Notes due 2017		345,000		341,550		341,550		-		-
Convertible Senior Notes due 2020		500,000		511,565		511,565		-		-
Convertible Junior Subordinated Debentures		389,522		390,009		-		390,009		-
Total Debt	$	1,334,640	$	1,341,390	$	951,381	$	390,009	$	-
December 31, 2012
Liabilities:
Senior Notes	$	100,118	$	79,594	$	79,594	$	-	$	-
Convertible Senior Notes due 2017		345,000		242,880		242,880		-		-
Convertible Junior Subordinated Debentures		389,522		173,096		-		173,096		-
Total Debt	$	834,640	$	495,570	$	322,474	$	173,096	$	-

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Investments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 4,509,688		$ 4,188,734
Gross Unrealized Gains	43,714		46,793
Gross Unrealized Losses	(12,712)	[1]	(5,252)	[1]
Fair Value	4,540,690		4,230,275
Percentage of foreign investments held in government and semi-government securities (in hundredths)	87.00%
Percentage of foreign investments held in corporate securities (in hundredths)	11.00%
Percentage Of Foreign Investments Held In Cash equivalents (in hundredths)	2.00%
Percentage of Australian portfolio rated AAA	92.00%
Percentage of Australian portfolio rated AA	8.00%
Maturities, Amortized Cost [Abstract]
Due in one year or less	959,410
Due after one year through five years	1,558,703
Due after five years through ten years	600,924
Due after ten years	372,533
Total debt securities with single maturity date	3,491,570
Total at end of period	4,506,873		4,185,937
Maturities, Fair Value [Abstract]
Due in one year or less	961,273
Due after one year through five years	1,581,603
Due after five years through ten years	608,277
Due after ten years	376,346
Total debt securities with single maturity date	3,527,499
Total at end of period	4,537,762
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	1,308,101		893,029
12 months or greater	21,509		24,298
Total investment portfolio	1,329,610		917,327
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	12,355		4,917
12 months or greater	357		335
Total investment portfolio	12,712		5,252
U.S. Treasury securities and obligations of U.S. government corporations and agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	882,336		863,282
Gross Unrealized Gains	2,967		3,040
Gross Unrealized Losses	(568)	[1]	(71)	[1]
Fair Value	884,735		866,251
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	107,846		24,094
12 months or greater	0		0
Total investment portfolio	107,846		24,094
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	568		71
12 months or greater	0		0
Total investment portfolio	568		71
Obligations of U.S. States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	783,756		795,935
Gross Unrealized Gains	16,069		16,965
Gross Unrealized Losses	(383)	[1]	(506)	[1]
Fair Value	799,442		812,394
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	102,228		156,111
12 months or greater	56		1,006
Total investment portfolio	102,284		157,117
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	383		505
12 months or greater	0		1
Total investment portfolio	383		506
Corporate debt securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	1,693,146		1,469,844
Gross Unrealized Gains	13,683		13,813
Gross Unrealized Losses	(3,649)	[1]	(2,716)	[1]
Fair Value	1,703,180		1,480,941
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	547,075		280,765
12 months or greater	3,321		3,353
Total investment portfolio	550,396		284,118
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	3,646		2,714
12 months or greater	3		2
Total investment portfolio	3,649		2,716
Residential mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	432,977		451,352
Gross Unrealized Gains	923		871
Gross Unrealized Losses	(5,940)	[1]	(1,314)	[1]
Fair Value	427,960		450,909
Maturities, Amortized Cost [Abstract]
Debt securities without single maturity date	432,977
Maturities, Fair Value [Abstract]
Debt securities without single maturity date	427,960
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	307,541		315,000
12 months or greater	18,132		19,939
Total investment portfolio	325,673		334,939
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	5,586		982
12 months or greater	354		332
Total investment portfolio	5,940		1,314
Commercial mortgage-backed securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	232,936		150,232
Gross Unrealized Gains	407		524
Gross Unrealized Losses	(1,680)	[1]	(414)	[1]
Fair Value	231,663		150,342
Maturities, Amortized Cost [Abstract]
Debt securities without single maturity date	232,936
Maturities, Fair Value [Abstract]
Debt securities without single maturity date	231,663
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	139,102		72,689
12 months or greater	0		0
Total investment portfolio	139,102		72,689
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	1,680		414
12 months or greater	0		0
Total investment portfolio	1,680		414
Collateralized Loan Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	19,897
Gross Unrealized Gains	4
Gross Unrealized Losses	0	[1]
Fair Value	19,901
Maturities, Amortized Cost [Abstract]
Debt securities without single maturity date	19,897
Maturities, Fair Value [Abstract]
Debt securities without single maturity date	19,901
Debt securities issued by foreign sovereign governments [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	132,332		132,490
Gross Unrealized Gains	8,231		9,784
Gross Unrealized Losses	(421)	[1]	(208)	[1]
Fair Value	140,142		142,066
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	22,711		14,695
12 months or greater	0		0
Total investment portfolio	22,711		14,695
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	421		208
12 months or greater	0		0
Total investment portfolio	421		208
Total Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,506,873		4,185,937
Gross Unrealized Gains	43,599		46,654
Gross Unrealized Losses	(12,710)	[1]	(5,252)	[1]
Fair Value	4,537,762		4,227,339
Equity securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,815		2,797
Gross Unrealized Gains	115		139
Gross Unrealized Losses	(2)	[1]	0	[1]
Fair Value	2,928		2,936
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	135
12 months or greater	0
Total investment portfolio	135
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	2
12 months or greater	0
Total investment portfolio	2
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	329,493		322,802
Gross Unrealized Gains	1,315		1,657
Gross Unrealized Losses	(69)	[1]	(23)	[1]
Fair Value	330,739		324,436
Maturities, Amortized Cost [Abstract]
Debt securities without single maturity date	329,493
Maturities, Fair Value [Abstract]
Debt securities without single maturity date	330,739
Continuous Unrealized Loss Portion, Fair Value [Abstract]
Less than 12 months	81,463		29,675
12 months or greater	0		0
Total investment portfolio	81,463		29,675
Continuous Unrealized Loss Portion, Unrealized Loses [Abstract]
Less than 12 months	69		23
12 months or greater	0		0
Total investment portfolio	$ 69		$ 23

[1] At March 31, 2013 and December 31, 2012, there were no other-than-temporary impairment losses recorded in other comprehensive income.

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Investments (Tables)

3 Months Ended

Mar. 31, 2013

Investments [Abstract ]

Amortized cost, gross unrealized gains and losses and fair value of investments portfolio

The amortized cost, gross unrealized gains and losses and fair value of the investment portfolio at March 31, 2013 and December 31, 2012 are shown below.

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2013	Cost		Gains		Losses (1)			Value
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	882,336	$	2,967	$	(568	)	$	884,735
Obligations of U.S. states and political subdivisions		783,756		16,069		(383	)		799,442
Corporate debt securities		1,693,146		13,683		(3,649	)		1,703,180
Asset-backed securities		329,493		1,315		(69	)		330,739
Residential mortgage-backed securities		432,977		923		(5,940	)		427,960
Commercial mortgage-backed securities		232,936		407		(1,680	)		231,663
Collateralized loan obligations		19,897		4		-			19,901
Debt securities issued by foreign sovereign governments		132,332		8,231		(421	)		140,142
Total debt securities		4,506,873		43,599		(12,710	)		4,537,762
Equity securities		2,815		115		(2	)		2,928
Total investment portfolio	$	4,509,688	$	43,714	$	(12,712	)	$	4,540,690

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
December 31, 2012	Cost		Gains		Losses (1)			Value
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	863,282	$	3,040	$	(71	)	$	866,251
Obligations of U.S. states and political subdivisions		795,935		16,965		(506	)		812,394
Corporate debt securities		1,469,844		13,813		(2,716	)		1,480,941
Asset-backed securities		322,802		1,657		(23	)		324,436
Residential mortgage-backed securities		451,352		871		(1,314	)		450,909
Commercial mortgage-backed securities		150,232		524		(414	)		150,342
Debt securities issued by foreign sovereign governments		132,490		9,784		(208	)		142,066
Total debt securities		4,185,937		46,654		(5,252	)		4,227,339
Equity securities		2,797		139		-			2,936
Total investment portfolio	$	4,188,734	$	46,793	$	(5,252	)	$	4,230,275

(1) At March 31, 2013 and December 31, 2012, there were no other-than-temporary impairment losses recorded in other comprehensive income.

Amortized cost and fair values of debt securities by contractual maturity

The amortized cost and fair values of debt securities at March 31, 2013, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most asset-backed and mortgage-backed securities and collateralized loan obligations provide for periodic payments throughout their lives, they are listed below in separate categories.

	Amortized		Fair
March 31, 2013	Cost		Value
	(In thousands)
Due in one year or less	$	959,410	$	961,273
Due after one year through five years		1,558,703		1,581,603
Due after five years through ten years		600,924		608,277
Due after ten years		372,533		376,346
	$	3,491,570	$	3,527,499
Asset-backed securities		329,493		330,739
Residential mortgage-backed securities		432,977		427,960
Commercial mortgage-backed securities		232,936		231,663
Collateralized loan obligations		19,897		19,901
Total at March 31, 2013	$	4,506,873	$	4,537,762

Aging of the fair values of securities in an unrealized loss position

At March 31, 2013 and December 31, 2012, the investment portfolio had gross unrealized losses of $12.7 million and $5.3 million, respectively. For those securities in an unrealized loss position, the length of time the securities were in such a position, as measured by their month-end fair values, is as follows:

	Less Than 12 Months				12 Months or Greater				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
March 31, 2013	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	107,846	$	568	$	-	$	-	$	107,846	$	568
Obligations of U.S. states and political subdivisions		102,228		383		56		-		102,284		383
Corporate debt securities		547,075		3,646		3,321		3		550,396		3,649
Asset-backed securities		81,463		69		-		-		81,463		69
Residential mortgage-backed securities		307,541		5,586		18,132		354		325,673		5,940
Commercial mortgage-backed securities		139,102		1,680		-		-		139,102		1,680
Debt securities issued by foreign sovereign governments		22,711		421		-		-		22,711		421
Equity securities		135		2		-		-		135		2
Total investment portfolio	$	1,308,101	$	12,355	$	21,509	$	357	$	1,329,610	$	12,712
	Less Than 12 Months				12 Months or Greater				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
December 31, 2012	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	24,094	$	71	$	-	$	-	$	24,094	$	71
Obligations of U.S. states and political subdivisions		156,111		505		1,006		1		157,117		506
Corporate debt securities		280,765		2,714		3,353		2		284,118		2,716
Asset-backed securities		29,675		23		-		-		29,675		23
Residential mortgage-backed securities		315,000		982		19,939		332		334,939		1,314
Commercial mortgage-backed securities		72,689		414		-		-		72,689		414
Debt securities issued by foreign sovereign governments		14,695		208		-		-		14,695		208
Total investment portfolio	$	893,029	$	4,917	$	24,298	$	335	$	917,327	$	5,252

Net realized investment gains (losses) and OTTI on investments

The net realized investment gains (losses) and OTTI on the investment portfolio are as follows:

		Three Months Ended
		March 31,
		2013		2012
	(In thousands)
Net realized investment gains (losses) and OTTI on investments:
Fixed maturities		$	1,257	$	75,339
Equity securities			2		382
Other			-		1,840
		$	1,259	$	77,561

		Three Months Ended
		March 31,
		2013		2012
	(In thousands)
Net realized investment gains (losses) and OTTI on investments:
Gains on sales		$	1,934	$	80,035
Losses on sales			(675		(2,474	)
Impairment losses			-		-
		$	1,259	$	77,561

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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net loss	$ (72,930)	$ (19,555)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and other amortization	22,858	24,696
Deferred tax (benefit) provision	(8)	72
Realized investment gains, excluding impairment losses	(1,259)	(77,561)
Other	6,335	(2,609)
Change in certain assets and liabilities:
Accrued investment income	(4,047)	3,652
Reinsurance recoverable on loss reserves	8,669	12,318
Reinsurance recoverable on paid losses	2,322	2,401
Premiums receivable	(4,813)	3,339
Deferred insurance policy acquisition costs	(963)	(1,196)
Loss reserves	(208,495)	(348,342)
Premium deficiency reserve	(1,650)	(14,183)
Unearned premiums	1,373	(7,491)
Income taxes payable (current)	899	844
Net cash used in operating activities	(251,709)	(423,615)
Cash flows from investing activities:
Purchase of fixed maturities	(975,555)	(1,833,039)
Purchase of equity securities	(18)	(21)
Proceeds from sale of fixed maturities	361,119	1,519,761
Proceeds from maturity of fixed maturities	282,701	617,036
Net increase in payable for securities	43,435	26,685
Net cash (used in) provided by investing activities	(288,318)	330,422
Cash flows from financing activities:
Net proceeds from convertible senior notes	484,670	0
Common stock shares issued	663,542	0
Net cash provided by financing activities	1,148,212	0
Net increase (decrease) in cash and cash equivalents	608,185	(93,193)
Cash and cash equivalents at beginning of period	1,027,625	995,799
Cash and cash equivalents at end of period	$ 1,635,810	$ 902,606

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CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Securities, available-for-sale, at fair value:
Fixed maturities, amortized cost	$ 4,506,873	$ 4,185,937
Shareholders' equity (note 14):
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	680,000	680,000
Common stock, shares issued (in shares)	340,047	205,047
Common stock, shares outstanding (in shares)	337,758	202,032
Treasury stock, shares at cost (in shares)	2,289	3,015

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Benefit Plans

3 Months Ended

Mar. 31, 2013

Benefit Plans [Abstract]

Benefit Plans

Note 10 - Benefit Plans

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

	Three Months Ended March 31,
	Pension and Supplemental						Other Postretirement
	Executive Retirement Plans						Benefits
	2013			2012			2013			2012
	(In thousands)
Service cost	$	2,717		$	2,390		$	194		$	309
Interest cost		3,799			4,106			154			292
Expected return on plan assets		(5,038	)		(4,516	)		(920	)		(790	)
Recognized net actuarial loss		1,516			1,478			-			210
Amortization of prior service cost		125			161			(1,663	)		(1,554	)
Net periodic benefit cost	$	3,119		$	3,619		$	(2,235	)	$	(1,533	)

We currently intend to make a $10 million contribution to the pension plan during 2013.

Under Statement of Statutory Accounting Principles ("SSAP") No. 92 and No. 102, which became effective January 1, 2013, the measurement of pension and other postretirement benefit liabilities will begin to include non-vested employees. This measurement, referred to as the projected benefit obligation, is the measurement currently used under GAAP. The new SSAPs did not have a material impact on our statutory benefit obligations or statutory surplus.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	Apr. 30, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	MGIC INVESTMENT CORP
Entity Central Index Key	0000876437
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		337,758,169
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013

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Income Taxes

3 Months Ended

Mar. 31, 2013

Income Taxes [Abstract]

Income Taxes

Note 11 – Income Taxes

We review the need to establish a deferred tax asset valuation allowance on a quarterly basis. We analyze several factors, among which are the severity and frequency of operating losses, our capacity for the carryback or carryforward of any losses, the expected occurrence of future income or loss and available tax planning alternatives. Based on our analysis and the level of cumulative operating losses, we have reduced our benefit from income tax through the recognition of a valuation allowance.

The effect of the change in valuation allowance on the benefit from income taxes was as follows:

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Benefit from income taxes	$	(21,590	)	$	(6,062	)
Change in valuation allowance		22,729			7,425
Provision for income taxes	$	1,139		$	1,363

The increase in the valuation allowance that was included in other comprehensive income for the three months ended March 31, 2013 and 2012 was $3.0 million and $15.2 million, respectively. The total valuation allowance as of March 31, 2013 and December 31, 2012 was $991.7 million and $966.0 million, respectively.

We have approximately $2.6 billion of net operating loss carryforwards on a regular tax basis and $1.7 billion of net operating loss carryforwards for computing the alternative minimum tax as of March 31, 2013. Any unutilized carryforwards are scheduled to expire at the end of tax years 2029 through 2033.

The Internal Revenue Service ("IRS") completed examinations of our federal income tax returns for the years 2000 through 2007 and issued assessments for unpaid taxes, interest and penalties related to our treatment of the flow-through income and loss from an investment in a portfolio of residual interests of Real Estate Mortgage Investment Conduits ("REMICs"). This portfolio has been managed and maintained during years prior to, during and subsequent to the examination period. The IRS indicated that it did not believe that, for various reasons, we had established sufficient tax basis in the REMIC residual interests to deduct the losses from taxable income. The IRS assessment related to the REMIC issue is $190.7 million in taxes and penalties. There would also be applicable interest which, when computed on the amount of the assessment, is substantial. Depending on the outcome of this matter, additional state income taxes along with any applicable interest may become due when a final resolution is reached and could also be substantial.

We appealed these assessments within the IRS and, in 2007, we made a payment of $65.2 million to the United States Department of the Treasury related to this assessment. In August 2010, we reached a tentative settlement agreement with the IRS which was not finalized. We currently expect to receive a statutory notice of deficiency (commonly referred to as a "90-day letter") for the disputed amounts in the second quarter of 2013. We would then be required to litigate the validity of the assessments in order to avoid payment to the IRS of the entire amount assessed. Any such litigation could be lengthy and costly in terms of legal fees and related expenses. We continue to believe that our previously recorded tax provisions and liabilities are appropriate. However, we would need to make appropriate adjustments, which could be material, to our tax provision and liabilities if our view of the probability of success in this matter changes, and the ultimate resolution of this matter could have a material negative impact on our effective tax rate, results of operations, cash flows and statutory capital. In this regard, see Note 1 – "Nature of Business - Capital."

In March 2012, we received a Revenue Agent's Report from the IRS related to the examination of our federal income tax returns for the years 2008 and 2009. In January 2013, we received a Revenue Agent's Report from the IRS related to the examination of our federal income tax return for the year 2010. The adjustments that are proposed by the IRS are temporary in nature and will have no material effect on the financial statements.

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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Premiums written:
Direct	$ 254,547	$ 263,795
Assumed	551	641
Ceded	(6,598)	(9,450)
Net premiums written	248,500	254,986
(Increase) decrease in unearned premiums, net	(1,441)	7,419
Net premiums earned	247,059	262,405
Investment income, net of expenses	18,328	37,408
Realized investment gains, net	1,259	77,561
Total other-than-temporary impairment losses	0	0
Portion of losses recognized in other comprehensive income, before taxes	0	0
Net impairment losses recognized in earnings	0	0
Other revenue	2,539	2,309
Total revenues	269,185	379,683
Losses and expenses:
Losses incurred, net (note 12)	266,208	337,088
Change in premium deficiency reserve (note 13)	(1,650)	(14,183)
Amortization of deferred policy acquisition costs	1,697	1,670
Other underwriting and operating expenses, net	48,315	48,673
Interest expense	26,406	24,627
Total losses and expenses	340,976	397,875
Loss before tax	(71,791)	(18,192)
Provision for income taxes (note 11)	1,139	1,363
Net loss	$ (72,930)	$ (19,555)
Loss per share (note 6):
Basic (in dollars per share)	$ (0.31)	$ (0.1)
Diluted (in dollars per share)	$ (0.31)	$ (0.1)
Weighted average common shares outstanding - diluted (note 6) (in shares)	232,348	201,528

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Litigation and Contingencies

3 Months Ended

Mar. 31, 2013

Litigation and Contingencies [Abstract]

Litigation and Contingencies

Note 5 – Litigation and Contingencies

Consumers continue to bring lawsuits against home mortgage lenders and settlement service providers. Mortgage insurers, including MGIC, have been involved in litigation alleging violations of the anti-referral fee provisions of the Real Estate Settlement Procedures Act, which is commonly known as RESPA, and the notice provisions of the Fair Credit Reporting Act, which is commonly known as FCRA. MGIC's settlement of class action litigation against it under RESPA became final in October 2003. MGIC settled the named plaintiffs' claims in litigation against it under FCRA in December 2004, following denial of class certification in June 2004. Since December 2006, class action litigation has been brought against a number of large lenders alleging that their captive mortgage reinsurance arrangements violated RESPA. Beginning in December 2011, MGIC, together with various mortgage lenders and other mortgage insurers, have been named as defendants in twelve lawsuits, alleged to be class actions, filed in various U.S. District Courts. Four of those cases have previously been dismissed. The complaints in all eight of the remaining cases allege various causes of action related to the captive mortgage reinsurance arrangements of the mortgage lenders, including that the defendants violated RESPA by paying excessive premiums to the lenders' captive reinsurer in relation to the risk assumed by that captive. MGIC denies any wrongdoing and intends to vigorously defend itself against the allegations in the lawsuits. There can be no assurance that we will not be subject to further litigation under RESPA (or FCRA) or that the outcome of any such litigation, including the lawsuits mentioned above, would not have a material adverse effect on us.

See Note 4 - "Reinsurance" for a discussion of MGIC's recent settlement with the CFPB. In connection with the settlement, MGIC paid a civil penalty of $2.65 million.

We remain subject to various state investigations or information requests regarding captive mortgage reinsurance arrangements, including (1) a request received by MGIC in June 2005 from the New York Department of Financial Services for information regarding captive mortgage reinsurance arrangements and other types of arrangements in which lenders receive compensation; and (2) requests received from the Minnesota Department of Commerce beginning in February 2006 regarding captive mortgage reinsurance and certain other matters in response to which MGIC has provided information on several occasions, including as recently as May 2011. Other insurance departments or other officials, including attorneys general, may also seek information about or investigate captive mortgage reinsurance.

Various regulators, including the CFPB, state insurance commissioners and state attorneys general may bring actions seeking various forms of relief, including civil penalties and injunctions against violations of RESPA. The insurance law provisions of many states prohibit paying for the referral of insurance business and provide various mechanisms to enforce this prohibition. While we believe our practices are in conformity with applicable laws and regulations, it is not possible to predict the eventual scope, duration or outcome of any such reviews or investigations nor is it possible to predict their effect on us or the mortgage insurance industry.

We are subject to comprehensive, detailed regulation by state insurance departments. These regulations are principally designed for the protection of our insured policyholders, rather than for the benefit of investors. Although their scope varies, state insurance laws generally grant broad supervisory powers to agencies or officials to examine insurance companies and enforce rules or exercise discretion affecting almost every significant aspect of the insurance business. Given the recent significant losses incurred by many insurers in the mortgage and financial guaranty industries, our insurance subsidiaries have been subject to heightened scrutiny by insurance regulators. State insurance regulatory authorities could take actions, including changes in capital requirements or termination of waivers of capital requirements, that could have a material adverse effect on us. In January 2013, the CFPB issued rules to implement laws requiring mortgage lenders to make ability-to-pay determinations prior to extending credit. We are uncertain whether the CFPB will issue any other rules or regulations that affect our business apart from any action it may take as a result of its investigation of captive mortgage reinsurance. Such rules and regulations could have a material adverse effect on us.

We understand several law firms have, among other things, issued press releases to the effect that they are investigating us, including whether the fiduciaries of our 401(k) plan breached their fiduciary duties regarding the plan's investment in or holding of our common stock or whether we breached other legal or fiduciary obligations to our shareholders. We intend to defend vigorously any proceedings that may result from these investigations. With limited exceptions, our bylaws provide that our officers and 401(k) plan fiduciaries are entitled to indemnification from us for claims against them.

Since December 2009, we have been involved in legal proceedings with Countrywide Home Loans ("CHL") and its affiliate, Bank of America, N.A., as successor to Countrywide Home Loans Servicing LP ("BANA") and collectively with CHL, "Countrywide") in which Countrywide alleged that MGIC denied valid mortgage insurance claims. (In our SEC reports, we refer to rescissions of insurance and denials of claims collectively as "rescissions" and variations of that term.) In addition to the claim amounts it alleged MGIC had improperly denied, Countrywide contended it was entitled to other damages of almost $700 million as well as exemplary damages. We sought a determination in those proceedings that we were entitled to rescind coverage on the applicable loans. From January 1, 2008 through March 31, 2013, rescissions of coverage on Countrywide-related loans mitigated our paid losses on the order of $445 million. This amount is the amount we estimate we would have paid had the coverage not been rescinded. In addition, in connection with mediation we were holding with Countrywide, we voluntarily suspended rescissions related to loans that we believed could be covered by a settlement. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable, was affected by our decision to suspend such rescissions.

In April 2013, MGIC entered into separate settlement agreements with CHL and BANA, pursuant to which the parties will settle the Countrywide litigation as it relates to MGIC's rescission practices.

The agreement with BANA covers loans which had been sold to the GSEs by CHL, including loans subsequently repurchased by BANA, as well as other CHL-originated loans currently owned by BANA or one of its affiliates. Implementation of the BANA Agreement is subject to consent and approval by both GSEs. The agreement with CHL covers loans which were purchased by non-GSE investors, including securitization trusts (the "other investors"). The CHL Agreement will not be implemented until the implementation of the BANA Agreement and then will be implemented only as and to the extent that it is approved by or on behalf of the other investors. While there can be no assurance that the Agreements will be implemented, we have determined that their implementation is probable.

Under the Agreements, the parties are seeking to stay their pending arbitration proceedings. Upon implementation of the BANA Agreement, the pending arbitration proceedings concerning the loans covered by the BANA Agreement will be dismissed, and the parties will provide mutual releases. Upon obtaining a specified number of consents by or on behalf of the other investors and also upon the conclusion of the period in the CHL Agreement for obtaining consents by or on behalf of the other investors, all legal proceedings will be dismissed and the parties will provide mutual releases, in each case limited as to the loans held by the other investors that consent to the CHL Agreement.

We are also discussing a settlement of a dispute with another customer and have also determined that it is probable we will reach a settlement with this customer. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for that customer.

We recorded the estimated impact of the two probable settlements referred to above in our financial statements for the quarter ending December 31, 2012. The aggregate impact to loss reserves for the probable settlement agreements was an increase of approximately $100 million. This impact was somewhat offset by impacts to our return premium accrual and premium deficiency reserve. There was no additional charge in the first quarter of 2013 as a result of executing these agreements, as the financial impact was in line with our original estimations. If we are not able to implement the Agreements, we intend to defend MGIC against any related legal proceedings, vigorously.

The flow policies at issue with Countrywide are in the same form as the flow policies that we use with all of our customers, and the bulk policies at issue vary from one another, but are generally similar to those used in the majority of our Wall Street bulk transactions. The settlement with Countrywide may encourage other customers to pursue remedies against us. From January 1, 2008 through March 31, 2013, we estimate that total rescissions mitigated our incurred losses by approximately $2.9 billion, which included approximately $2.9 billion of mitigation on paid losses, excluding $0.6 billion that would have been applied to a deductible. At March 31, 2013, we estimate that our total loss reserves were benefited from anticipated rescissions by approximately $0.2 billion.

Before paying a claim, we review the loan and servicing files to determine the appropriateness of the claim amount. All of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligations under our insurance policy, including the requirement to mitigate our loss by performing reasonable loss mitigation efforts or, for example, diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We call such reduction of claims submitted to us "curtailments." In 2012 and the first quarter of 2013, curtailments reduced our average claim paid by approximately 4.1% and 4.7%, respectively. In addition, the claims submitted to us sometimes include costs and expenses not covered by our insurance policies, such as mortgage insurance premiums, hazard insurance premiums for periods after the claim date and losses resulting from property damage that has not been repaired. These other adjustments reduced claim amounts by less than the amount of curtailments.

After we pay a claim, servicers and insureds sometimes object to our curtailments and other adjustments. We review these objections if they are sent to us within 90 days after the claim was paid. Historically, we have not had material disputes regarding our curtailments or other adjustments.

The Agreements referred to above do not resolve assertions by Countrywide that MGIC has improperly curtailed numerous insurance coverage claims. Countrywide has asserted that the amount of disputed curtailments approximates $40 million. MGIC and Countrywide have agreed to mediate this matter and to enter into arbitration if the mediation does not resolve the matter. We do not believe a loss is probable regarding this curtailment dispute and have not accrued any reserves that would reflect an adverse outcome to this dispute. We intend to defend vigorously our position regarding the correctness of these curtailments under our insurance policy. Although we have not had other material objections to our curtailment and adjustment practices, there can be no assurances that we will not face additional challenges to such practices.

A non-insurance subsidiary of our holding company is a shareholder of the corporation that operates the Mortgage Electronic Registration System ("MERS"). Our subsidiary, as a shareholder of MERS, has been named as a defendant (along with MERS and its other shareholders) in eight lawsuits asserting various causes of action arising from allegedly improper recording and foreclosure activities by MERS. Two of those lawsuits remain pending and the other six lawsuits have been dismissed without any further opportunity to appeal. The damages sought in the remaining cases are substantial. We deny any wrongdoing and intend to defend ourselves against the allegations in the lawsuits, vigorously.

In addition to the matters described above, we are involved in other legal proceedings in the ordinary course of business. In our opinion, based on the facts known at this time, the ultimate resolution of these ordinary course legal proceedings will not have a material adverse effect on our financial position or results of operations.

Through a non-insurance subsidiary, we utilize our underwriting skills to provide an outsourced underwriting service to our customers known as contract underwriting. As part of the contract underwriting activities, that subsidiary is responsible for the quality of the underwriting decisions in accordance with the terms of the contract underwriting agreements with customers. That subsidiary may be required to provide certain remedies to its customers if certain standards relating to the quality of our underwriting work are not met, and we have an established reserve for such future obligations. These obligations have been primarily funded by contributions from our holding company and, in part, from the operations of the subsidiary. A generally positive economic environment for residential real estate that continued until approximately 2007 may have mitigated the effect of some of these costs in previous years. Historically, a material portion of our new insurance written through the flow channel has involved loans for which that subsidiary provided contract underwriting services, including new insurance written between 2006 and 2008. Claims for remedies may be made a number of years after the underwriting work was performed. We believe the rescission of mortgage insurance coverage on loans for which the subsidiary provided contract underwriting services may make a claim for a contract underwriting remedy more likely to occur. Beginning in the second half of 2009, our subsidiary experienced an increase in claims for contract underwriting remedies, which continued throughout 2012. The related contract underwriting remedy expense was approximately $27 million, $23 million and $19 million for the years ended December 31, 2012, 2011 and 2010. The underwriting remedy expense for each of the first three months of 2013 and 2012 was not significant.

See Note 11 – "Income Taxes" for a description of federal income tax contingencies.

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Reinsurance

3 Months Ended

Mar. 31, 2013

Reinsurance [Abstract]

Reinsurance

Note 4 – Reinsurance

MGIC has obtained both captive and non-captive reinsurance in the past. In a captive reinsurance arrangement, the reinsurer is affiliated with the lender for whom MGIC provides mortgage insurance.

Since June 2005, various state and federal regulators have conducted investigations or requested information regarding captive mortgage reinsurance arrangement in which we participated. In January 2012, we received correspondence from the Consumer Financial Protection Bureau ("CFPB") indicating that it was investigating captive reinsurance arrangements in the mortgage insurance industry. The correspondence requested, among other things, certain information regarding captive mortgage reinsurance transactions in which we participated. In June 2012, we received a Civil Investigative Demand ("CID") from the CFPB requiring additional information and documentation regarding captive mortgage reinsurance.

In April 2013, the U.S. District Court approved a settlement between MGIC and the CFPB that resolves a previously-disclosed, nearly five-year-old federal investigation of MGIC's participation in captive reinsurance arrangements in the mortgage insurance industry. The settlement concludes the investigation with respect to MGIC without the CFPB making any findings of wrongdoing. Three other mortgage insurers agreed to similar settlements. As part of the settlements, MGIC and the three other mortgage insurers agreed that they would not enter into any new captive reinsurance agreement or reinsure any new loans under any existing captive reinsurance agreement for a period of ten years. In accordance with this settlement, all of our active captive arrangements have been placed into run-off.

Captive agreements were written on an annual book of business and the captives are required to maintain a separate trust account to support the combined reinsured risk on all annual books. MGIC is the sole beneficiary of the trust, and the trust account is made up of capital deposits by the lender captive, premium deposits by MGIC, and investment income earned. These amounts are held in the trust account and are available to pay reinsured losses. The reinsurance recoverable on loss reserves related to captive agreements was approximately $96 million at March 31, 2013 which was supported by $289 million of trust assets, while at December 31, 2012 the reinsurance recoverable on loss reserves related to captives was $104 million which was supported by $303 million of trust assets. As of March 31, 2013 and December 31, 2012 there was an additional $25 million of trust assets in captive agreements where there was no related reinsurance recoverable on loss reserves. Trust fund assets of $3 million and $0.4 million were transferred to us as a result of captive terminations during the first three months of 2013 and 2012, respectively.

The CFPB's investigation involved captive reinsurance. In April 2013, we entered into a quota share reinsurance agreement with a group of unaffiliated reinsurers. These reinsurers are not captive reinsurers. The reinsurance agreement applies to new insurance written between April 1, 2013 and December 31, 2015 (with limited exclusions) and covers incurred losses, with renewal premium through December 31, 2018. Early termination is possible under specified scenarios. The structure of the reinsurance agreement is a 30% quota share, with a 20% ceding commission as well as a profit commission.

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Earnings (Loss) per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings (Loss) per Share [Abstract]

Calculation of earnings (loss) per share

Our basic EPS is based on the weighted average number of common shares outstanding, which excludes participating securities of 1.2 million and 1.1 million for the three months ended March 31, 2013 and 2012, respectively, because they were anti-dilutive due to our reported net loss. Typically, diluted EPS is based on the weighted average number of common shares outstanding plus common stock equivalents which include certain stock awards, stock options and the dilutive effect of our convertible debt. In accordance with accounting guidance, if we report a net loss from continuing operations then our diluted EPS is computed in the same manner as the basic EPS. In addition if any common stock equivalents are anti-dilutive they are excluded from the calculation. The following includes a reconciliation of the weighted average number of shares; however for the three months ended March 31, 2013 and 2012 common stock equivalents of 77.3 million and 56.0 million, respectively, were not included because they were anti-dilutive.

	Three Months Ended
		March 31,
		2013			2012
	(In thousands, except per share data)
Basic earnings per share:
Weighted average common shares outstanding			232,348			201,528
Net loss		$	(72,930	)	$	(19,555	)
Basic loss per share		$	(0.31	)	$	(0.10	)
Diluted earnings per share:
Weighted-average shares - Basic			232,348			201,528
Common stock equivalents			-			-
Weighted-average shares - Diluted			232,348			201,528
Net loss		$	(72,930	)	$	(19,555	)
Diluted loss per share		$	(0.31	)	$	(0.10	)

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Loss Reserves

3 Months Ended

Mar. 31, 2013

Loss Reserves [Abstract]

Loss Reserves

Note 12 – Loss Reserves

We establish reserves to recognize the estimated liability for losses and loss adjustment expenses ("LAE") related to defaults on insured mortgage loans. Loss reserves are established by estimating the number of loans in our inventory of delinquent loans that will result in a claim payment, which is referred to as the claim rate, and further estimating the amount of the claim payment, which is referred to as claim severity.

Estimation of losses is inherently judgmental. The conditions that affect the claim rate and claim severity include the current and future state of the domestic economy, including unemployment, and the current and future strength of local housing markets. Current conditions in the housing and mortgage industries make these assumptions more volatile than they would otherwise be. The actual amount of the claim payments may be substantially different than our loss reserve estimates. Our estimates could be adversely affected by several factors, including a further deterioration of regional or national economic conditions, including unemployment, leading to a reduction in borrowers' income and thus their ability to make mortgage payments, and a further drop in housing values that could result in, among other things, greater losses on loans that have pool insurance, and may affect borrower willingness to continue to make mortgage payments when the value of the home is below the mortgage balance and mitigation from rescissions being materially less than assumed. Changes to our estimates could result in a material impact to our results of operations and capital position, even in a stable economic environment.

The following table provides a reconciliation of beginning and ending loss reserves for the three months ended March 31, 2013 and 2012:

	Three Months Ended
	March 31,
	2013			2012
	(In thousands)
Reserve at beginning of period	$	4,056,843		$	4,557,512
Less reinsurance recoverable		104,848			154,607
Net reserve at beginning of period (1)		3,951,995			4,402,905
Losses incurred:
Losses and LAE incurred in respect of default notices related to:
Current year		268,793			280,565
Prior years (2)		(2,585	)		56,523
Subtotal (3)		266,208			337,088
Losses paid:
Losses and LAE paid in respect of default notices related to:
Current year		246			280
Prior years		468,933			673,257
Reinsurance terminations (4)		(3,145	)		(425	)
Subtotal (5)		466,034			673,112
Net reserve at end of period (6)		3,752,169			4,066,881
Plus reinsurance recoverables		96,179			142,289
Reserve at end of period	$	3,848,348		$	4,209,170

(1) At December 31, 2012 and 2011, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.7 billion, respectively.

(2) A negative number for prior year losses incurred indicates a redundancy of prior year loss reserves, and a positive number for prior year losses incurred indicates a deficiency of prior year loss reserves.

(3) Rescissions did not have a significant impact on incurred losses in the three months ended March 31, 2013 or 2012.

(4) In a termination, the reinsurance agreement is cancelled, with no future premium ceded and funds for any incurred but unpaid losses transferred to us. The transferred funds result in an increase in our investment portfolio (including cash and cash equivalents) and a decrease in net losses paid (reduction to losses incurred). In addition, there is an offsetting decrease in the reinsurance recoverable (increase in losses incurred), and thus there is no net impact to losses incurred.

(5) Rescissions mitigated our paid losses by an estimated $35 million in the three months ended March 31, 2013 and by an estimated $0.1 billion in the three months ended March 31, 2012, which excludes amounts that may have been applied to a deductible.

(6) At March 31, 2013 and 2012, the estimated reduction in loss reserves related to rescissions approximated $0.2 billion and $0.6 billion, respectively.

The "Losses incurred" section of the table above shows losses incurred on default notices received in the current year and in prior years. The amount of losses incurred relating to default notices received in the current year represents the estimated amount to be ultimately paid on such default notices. The amount of losses incurred relating to default notices received in prior years represents the actual claim rate and severity associated with those defaults notices resolved in the current year differing from the estimated liability at the prior year-end, as well as a re-estimation of amounts to be ultimately paid on defaults remaining in inventory from the end of the prior year. This re-estimation of the estimated claim rate and estimated severity is the result of our review of current trends in the default inventory, such as percentages of defaults that have resulted in a claim, the amount of the claims, changes in the relative level of defaults by geography and changes in average loan exposure.

Losses incurred on default notices received in the current year decreased slightly in the first quarter of 2013 compared to the same period in 2012, primarily due to a decrease in the number of new default notices received, net of cures, somewhat offset by a smaller benefit from captive arrangements.

The prior year development of the reserves in the first quarter of 2013 and 2012 is reflected in the table below.

	Three months ended March 31,
	2013			2012
	(In millions)
Prior year loss development (1):
(Decrease) increase in estimated claim rate on primary defaults	$	(15	)	$	50
Increase in estimated severity on primary defaults		20			-
Change in estimates related to pool reserves, LAE reserves and reinsurance		(8	)		6
Total prior year loss development	$	(3	)	$	56

(1) A negative number for prior year loss development indicates a redundancy of prior year loss reserves, and a positive number indicates a deficiency of prior year loss reserves.

The prior year loss development was based on the resolution of approximately 23% and 22% for the three months ended March 31, 2013 and 2012, respectively of the prior year default inventory, as well as a re-estimation of amounts to be ultimately paid on defaults remaining in inventory from the end of the prior year and estimated incurred but not reported items from the end of the prior year. Based on recent experience, in the first quarter of 2013, we have lowered our estimated claim rate on defaults that were 12 or fewer months delinquent. This was partially offset by an increase in our estimated claim rate on defaults that were more than 12 months delinquent. In the first quarter of 2012, our estimated claim rates increased on defaults that were more than 12 months delinquent.

The "Losses paid" section of the table above shows the breakdown between claims paid on default notices received in the current year, claims paid on default notices received in prior years and the decrease in losses paid related to terminated reinsurance agreements as noted in footnote (4) of the table above. It has historically taken, prior to the last few years, on average, approximately twelve months for a default which is not cured to develop into a paid claim, therefore, most losses paid relate to default notices received in prior years. Due to a combination of reasons that had slowed the rate at which claims are received and paid, including foreclosure moratoriums and suspensions, servicing delays, court delays, loan modifications, our fraud investigations and our claim rescissions and denials for misrepresentation, it is difficult to estimate how long it may take for current and future defaults that do not cure to develop into paid claims.

The liability associated with our estimate of premiums to be refunded on expected claim payments is accrued for separately at March 31, 2013 and December 31, 2012 and approximated $136 million and $134 million, respectively. Separate components of this liability are included in "Other liabilities" and "Premium deficiency reserve" on our consolidated balance sheet. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

A rollforward of our primary default inventory for the three months ended March 31, 2013 and 2012 appears in the table below. The information concerning new notices and cures is compiled from monthly reports received from loan servicers. The level of new notice and cure activity reported in a particular month can be influenced by, among other things, the date on which a servicer generates its report, the number of business days in a month and by transfers of servicing between loan servicers.

	Three Months Ended
	March 31,
	2013			2012
Default inventory at beginning of period		139,845			175,639
New Notices		27,864			34,781
Cures		(31,122	)		(37,144	)
Paids (including those charged to a deductible or captive)		(9,445	)		(11,909	)
Rescissions and denials		(532	)		(894	)
Default inventory at end of period		126,610			160,473

Pool insurance notice inventory decreased from 8,594 at December 31, 2012 to 7,890 at March 31, 2013. The pool insurance notice inventory was 26,601 at March 31, 2012. During the third quarter of 2012, approximately 15,600 pool notices were removed from the pool notice inventory due to the exhaustion of the aggregate loss on a pool policy we had with Freddie Mac.

The decrease in the primary default inventory experienced during 2013 and 2012 was generally across all markets and all book years. However, the percentage of loans in the inventory that have been in default for 12 or more consecutive months has increased, as shown in the table below. Historically as a default ages it becomes more likely to result in a claim. The percentage of loans that have been in default for 12 or more consecutive months has been affected by our suspended rescissions discussed below.

Aging of the Primary Default Inventory
	March 31,				December 31,				March 31,
	2013				2012				2012
Consecutive months in default
3 months or less		17,973	14	%		23,282	17	%		22,516	14	%
4 - 11 months		32,662	26	%		34,688	25	%		45,552	28	%
12 months or more		75,975	60	%		81,875	58	%		92,405	58	%
Total primary default inventory		126,610	100	%		139,845	100	%		160,473	100	%
Primary claims received inventory included in ending default inventory (1)		10,924	9	%		11,731	8	%		12,758	8	%

(1) Our claims received inventory includes suspended rescission as discussed in Note 5 – "Litigation and Contingencies." In connection with the Countrywide proceedings, we have voluntarily suspended rescissions of coverage related to loans that we believed would be included in a potential resolution. As of March 31, 2013, coverage on approximately 2,300 loans, representing total potential claim payments of approximately $170 million, that we had determined was rescindable was affected by our decision to suspend such rescissions. Substantially all of these potential rescissions relate to claims received beginning in the first quarter of 2011 or later. As of March 31, 2013, coverage on approximately 300 loans, representing total potential claim payments of approximately $20 million, was affected by our decision to suspend rescissions for another customer for which we also consider settlement probable. In addition, as of March 31, 2013, coverage on approximately 265 loans, representing total potential claim payments of approximately $19 million, was affected by our decision to suspend rescissions for customers other than those for which we consider settlement probable, as defined in ASC 450-20.

The number of months a loan is in the default inventory can differ from the number of payments that the borrower has not made or is considered delinquent. These differences typically result from a borrower making monthly payments that do not result in the loan becoming fully current. The number of payments that a borrower is delinquent is shown in the table below.

Number of Payments Delinquent
	March 31,				December 31,				March 31,
	2013				2012				2012
3 payments or less		28,376	23	%		34,245	24	%		33,579	21	%
4 - 11 payments		32,253	25	%		34,458	25	%		45,539	28	%
12 payments or more		65,981	52	%		71,142	51	%		81,355	51	%
Total primary default inventory		126,610	100	%		139,845	100	%		160,473	100	%

Rescissions

Before paying a claim, we can review the loan file to determine whether we are required, under the applicable insurance policy, to pay the claim or whether we are entitled to reduce the amount of the claim. For example, all of our insurance policies provide that we can reduce or deny a claim if the servicer did not comply with its obligation to mitigate our loss by performing reasonable loss mitigation efforts or diligently pursuing a foreclosure or bankruptcy relief in a timely manner. We also do not cover losses resulting from property damage that has not been repaired.

In addition, subject to rescission caps in certain of our Wall Street bulk transactions, all of our insurance policies allow us to rescind coverage under certain circumstances. Because we can review the loan origination documents and information as part of our normal processing when a claim is submitted to us, rescissions occur on a loan by loan basis most often after we have received a claim. Prior to 2008, rescissions of coverage on loans were not a material portion of our claims resolved during a year. However, beginning in 2008, our rescissions of coverage on loans have materially mitigated our paid losses. In 2009 through 2011, rescissions mitigated our paid losses in the aggregate by approximately $3.0 billion; and in 2012 and the first quarter of 2013, rescissions mitigated our paid losses by approximately $0.3 billion and $35 million, respectively (in each case, the figure includes amounts that would have either resulted in a claim payment or been charged to a deductible under a bulk or pool policy, and may have been charged to a captive reinsurer). In recent quarters, less than 8% of claims received in a quarter have been resolved by rescissions, down from the peak of approximately 28% in the first half of 2009.

Our loss reserving methodology incorporates our estimates of future rescissions and reversals of rescissions. Historically, the number of rescissions that we have reversed has been immaterial. A variance between ultimate actual rescission and reversal rates and our estimates, as a result of the outcome of claims investigations, litigation, settlements or other factors, could materially affect our losses. We estimate rescissions mitigated our incurred losses by approximately $2.5 billion in 2009 and $0.2 billion in 2010. In 2011, we estimate that rescissions had no significant impact on our losses incurred. All of these figures include the benefit of claims not paid in the period as well as the impact of changes in our estimated expected rescission activity on our loss reserves in the period. In 2012, we estimate that our rescission benefit in loss reserves was reduced by $0.2 billion due to probable rescission settlement agreements. We estimate that other rescissions had no significant impact on our losses incurred in 2012 or in the first quarter of 2013. At both March 31, 2013 and December 31, 2012, we estimate that our loss reserves were benefited from anticipated rescissions by approximately $0.2 billion. We expect that the reduction of our loss reserves due to rescissions will decline. For information about two settlements that we believe are probable, as defined in ASC 450-20, see Note 5 – "Litigation and Contingencies."

We do not utilize an explicit rescission rate in our reserving methodology, but rather our reserving methodology incorporates the effects rescission activity has had on our historical claim rate and claim severities. A variance between ultimate actual rescission rates and these estimates could materially affect our losses incurred. Our estimation process does not include a direct correlation between claim rates and severities to projected rescission activity or other economic conditions such as changes in unemployment rates, interest rates or housing values. Our experience is that analysis of that nature would not produce reliable results, as the change in one condition cannot be isolated to determine its sole effect on our ultimate paid losses as our ultimate paid losses are also influenced at the same time by other economic conditions. The estimation of the impact of rescissions on incurred losses must be considered together with the various other factors impacting incurred losses and not in isolation.

If the insured disputes our right to rescind coverage, the outcome of the dispute ultimately would be determined by legal proceedings. Under our policies, legal proceedings disputing our right to rescind coverage may be brought up to three years after the lender has obtained title to the property (typically through a foreclosure) or the property was sold in a sale that we approved, whichever is applicable, although in a few jurisdictions there is a longer time to bring such an action. For approximately 40% of our rescissions since the beginning of 2009 that are not subject to a settlement agreement, this period in which a dispute may be brought has not ended. Until a liability associated with a settlement agreement or litigation becomes probable and can be reasonably estimated, we consider a rescission resolved for financial reporting purposes even though legal proceedings have been initiated and are ongoing. Although it is reasonably possible that, when the proceedings are completed, there will be a determination that we were not entitled to rescind in all cases, we are sometimes unable to make a reasonable estimate or range of estimates of the potential liability. Under ASC 450-20, an estimated loss from such proceedings is accrued for only if we determine that the loss is probable and can be reasonably estimated. Therefore, when establishing our loss reserves, we do not generally include additional loss reserves that would reflect an adverse outcome from ongoing legal proceedings. For more information about these legal proceeding regarding rescissions, see Note 5 – "Litigation and Contingencies."

The liability associated with our estimate of premiums to be refunded on expected future rescissions is accrued for separately. At March 31, 2013 and December 31, 2012 the estimate of this liability totaled $13 million and $18 million, respectively. Separate components of this liability are included in "Other liabilities" and "Premium deficiency reserve" on our consolidated balance sheet. Changes in the liability affect premiums written and earned and change in premium deficiency reserve.

In April 2011, Freddie Mac advised its servicers that they must obtain its prior approval for rescission settlements and Fannie Mae advised its servicers that they are prohibited from entering into such settlements. In addition, in April 2011, Fannie Mae notified us that we must obtain its prior approval to enter into certain settlements. Since those announcements, the GSEs have approved our settlement agreement with one customer and have rejected settlement agreements that were structured differently. We have reached and implemented settlement agreements that do not require GSE approval, but they have not been material in the aggregate.

As discussed in Note 5 – "Litigation and Contingencies," in April 2013, we entered into two agreements to resolve our dispute with Countrywide regarding rescissions. Implementation of the agreements is subject to various conditions. The resolutions of that and other disputes, assuming they occur, may encourage other customers to seek remedies against us. We continue to be involved in legal proceedings with other customers with respect to rescissions that we do not consider to be collectively material in amount. We also continue to discuss with customers their objections to rescissions that are material when all such discussions are considered in the aggregate, and have reached settlement terms with several of our significant customers. In connection with some of these settlement discussions, we have suspended rescissions related to loans that we believe could be included in potential settlements. As of March 31, 2013, approximately 265 rescissions, representing total potential claim payments of approximately $19 million, were affected by our decision to suspend such rescissions. These amounts do not include loans covered by the two Countrywide agreements referred to above nor do they include loans of a customer for which we consider a settlement agreement probable, as defined in ASC 450-20. Although it is reasonably possible that, when the discussions or legal proceedings with customers regarding rescissions are completed, there will be a conclusion or determination that we were not entitled to rescind in all cases, we are unable to make a reasonable estimate or range of estimates of the potential liability.

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Fair Value Measurements

3 Months Ended

Mar. 31, 2013

Fair Value Measurements [Abstract]

Fair Value Measurements

Note 8 – Fair Value Measurements

In accordance with fair value guidance, we applied the following fair value hierarchy in order to measure fair value for assets and liabilities:

Level 1 – Quoted prices for identical instruments in active markets that we can access. Financial assets utilizing Level 1 inputs primarily include certain U.S. Treasury securities and obligations of U.S. government corporations and agencies and Australian government and semi government securities.

Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and inputs, other than quoted prices, that are observable in the marketplace for the financial instrument. The observable inputs are used in valuation models to calculate the fair value of the financial instruments. Financial assets utilizing Level 2 inputs primarily include certain municipal and corporate bonds.

Level 3 – Valuations derived from valuation techniques in which one or more significant inputs or value drivers are unobservable. Level 3 inputs reflect our own assumptions about the assumptions a market participant would use in pricing an asset or liability. Financial assets utilizing Level 3 inputs include certain state and auction rate (backed by student loans) securities. Non-financial assets which utilize Level 3 inputs include real estate acquired through claim settlement.

To determine the fair value of securities available-for-sale in Level 1 and Level 2 of the fair value hierarchy, independent pricing sources have been utilized. One price is provided per security based on observable market data. To ensure securities are appropriately classified in the fair value hierarchy, we review the pricing techniques and methodologies of the independent pricing sources and believe that their policies adequately consider market activity, either based on specific transactions for the issue valued or based on modeling of securities with similar credit quality, duration, yield and structure that were recently traded. A variety of inputs are utilized by the independent pricing sources including benchmark yields, reported trades, non-binding broker/dealer quotes, issuer spreads, two sided markets, benchmark securities, bids, offers and reference data including data published in market research publications. Inputs may be weighted differently for any security, and not all inputs are used for each security evaluation. Market indicators, industry and economic events are also considered. This information is evaluated using a multidimensional pricing model. Quality controls are performed by the independent pricing sources throughout this process, which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. This model combines all inputs to arrive at a value assigned to each security. In addition, on a quarterly basis, we perform quality controls over values received from the pricing sources which include reviewing tolerance reports, trading information and data changes, and directional moves compared to market moves. We have not made any adjustments to the prices obtained from the independent pricing sources.

Assets classified as Level 3 are as follows:

● Securities available-for-sale classified in Level 3 are not readily marketable and are valued using internally developed models based on the present value of expected cash flows. Our Level 3 securities, at December 31, 2012, primarily consisted of auction rate securities for which observable inputs or value drivers were unavailable. Due to limited market information, we utilized a discounted cash flow ("DCF") model to derive an estimate of fair value of these assets at December 31, 2012. The DCF model for estimating the fair value of the auction rate securities as of December 31, 2012 was based on the following key assumptions:

o Nominal credit risk as substantially all of the underlying collateral of these securities is ultimately guaranteed by the United States Department of Education;

o Time to liquidity through December 31, 2013;

o Continued receipt of contractual interest; and

o Discount rates ranging from 16.87% to 18.35%, which include a spread for liquidity risk.

During the first three months of 2013 we sold our remaining auction rate securities. At March 31, 2013, the majority of the $3 million balance of Level 3 securities is state premium tax credit investments. The state premium tax credit investments have an average maturity of under 5 years, credit ratings of AA+ or higher, and their balance reflects their remaining scheduled payments discounted at an average annual rate of 7.5%.

● Real estate acquired through claim settlement is fair valued at the lower of our acquisition cost or a percentage of appraised value. The percentage applied to appraised value is based upon our historical sales experience adjusted for current trends.

Fair value measurements for assets measured at fair value included the following as of March 31, 2013 and December 31, 2012:

	Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	884,735	$	884,735	$	-	$	-
Obligations of U.S. states and political subdivisions		799,442		-		796,485		2,957
Corporate debt securities		1,703,180		-		1,703,180		-
Asset-backed securities		330,739		-		330,739		-
Residential mortgage-backed securities		427,960		-		427,960		-
Commercial mortgage-backed securities		231,663		-		231,663		-
Collateralized loan obligations		19,901		-		19,901		-
Debt securities issued by foreign sovereign governments		140,142		140,142		-		-
Total debt securities		4,537,762		1,024,877		3,509,928		2,957
Equity securities		2,928		2,607		-		321
Total investments	$	4,540,690	$	1,027,484	$	3,509,928	$	3,278
Real estate acquired (1)	$	7,524	$	-	$	-	$	7,524
December 31, 2012
U.S. Treasury securities and obligations of U.S. government corporations and agencies	$	866,251	$	866,251	$	-	$	-
Obligations of U.S. states and political subdivisions		812,394		-		809,264		3,130
Corporate debt securities		1,480,941		-		1,463,827		17,114
Asset-backed securities		324,436		-		324,436		-
Residential mortgage-backed securities		450,909		-		450,909		-
Commercial mortgage-backed securities		150,342		-		150,342		-
Debt securities issued by foreign sovereign governments		142,066		142,066		-		-
Total debt securities		4,227,339		1,008,317		3,198,778		20,244
Equity securities		2,936		2,615		-		321
Total investments	$	4,230,275	$	1,010,932	$	3,198,778	$	20,565
Real estate acquired (1)	$	3,463	$	-	$	-	$	3,463

(1) Real estate acquired through claim settlement, which is held for sale, is reported in Other Assets on the consolidated balance sheet.

There were no transfers of securities between Level 1 and Level 2 during the first three months of 2013 or 2012.

For assets measured at fair value using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances for the three months ended March 31, 2013 and 2012 is as follows:

	Obligations of U.S. States and Political Subdivisions			Corporate Debt Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2012	$	3,130		$	17,114		$	321	$	20,565		$	3,463
Total realized/unrealized gains (losses):
Included in earnings and reported as realized investment gains (losses), net		-			(225	)		-		(225	)		-
Included in earnings and reported as losses incurred, net		-			-			-		-			(1,302	)
Purchases		30			-			-		30			8,014
Sales		(203	)		(16,889	)		-		(17,092	)		(2,651	)
Transfers into Level 3		-			-			-		-			-
Transfers out of Level 3		-			-			-		-			-
Balance at March 31, 2013	$	2,957		$	-		$	321	$	3,278		$	7,524
Amount of total losses included in earnings for the three months ended March 31, 2013 attributable to the change in unrealized losses on assets still held at March 31, 2013	$	-		$	-		$	-	$	-		$	-

	Obligations of U.S. States and Political Subdivisions			Corporate Debt Securities			Equity Securities		Total Investments			Real Estate Acquired
	(In thousands)
Balance at December 31, 2011	$	114,226		$	60,228		$	321	$	174,775		$	1,621
Total realized/unrealized gains (losses):
Included in earnings and reported as realized investment gains (losses), net		(1,950	)		(381	)		-		(2,331	)		-
Included in earnings and reported as losses incurred, net		-			-			-		-			(316	)
Included in other comprehensive income		1,869			277			-		2,146			-
Purchases		27			-			-		27			2,082
Sales		(18,656	)		(9,006	)		-		(27,662	)		(1,047	)
Transfers into Level 3		-			-			-		-			-
Transfers out of Level 3		-			-			-		-			-
Balance at March 31, 2012	$	95,516		$	51,118		$	321	$	146,955		$	2,340
Amount of total losses included in earnings for the three months ended March 31, 2012 attributable to the change in unrealized losses on assets still held at March 31, 2012	$	-		$	-		$	-	$	-		$	-

Additional fair value disclosures related to our investment portfolio are included in Note 7 – "Investments." Fair value disclosures related to our debt are included in Note 3 – "Debt."

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Earnings (Loss) per Share

3 Months Ended

Mar. 31, 2013

Earnings (Loss) per Share [Abstract]

Earnings (Loss) per Share

Note 6 – Earnings (Loss) per Share

Our basic EPS is based on the weighted average number of common shares outstanding, which excludes participating securities of 1.2 million and 1.1 million for the three months ended March 31, 2013 and 2012, respectively, because they were anti-dilutive due to our reported net loss. Typically, diluted EPS is based on the weighted average number of common shares outstanding plus common stock equivalents which include certain stock awards, stock options and the dilutive effect of our convertible debt. In accordance with accounting guidance, if we report a net loss from continuing operations then our diluted EPS is computed in the same manner as the basic EPS. In addition if any common stock equivalents are anti-dilutive they are excluded from the calculation. The following includes a reconciliation of the weighted average number of shares; however for the three months ended March 31, 2013 and 2012 common stock equivalents of 77.3 million and 56.0 million, respectively, were not included because they were anti-dilutive.

	Three Months Ended
		March 31,
		2013			2012
	(In thousands, except per share data)
Basic earnings per share:
Weighted average common shares outstanding			232,348			201,528
Net loss		$	(72,930	)	$	(19,555	)
Basic loss per share		$	(0.31	)	$	(0.10	)
Diluted earnings per share:
Weighted-average shares - Basic			232,348			201,528
Common stock equivalents			-			-
Weighted-average shares - Diluted			232,348			201,528
Net loss		$	(72,930	)	$	(19,555	)
Diluted loss per share		$	(0.31	)	$	(0.10	)

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Investments

3 Months Ended

Mar. 31, 2013

Investments [Abstract ]

Investments

Note 7 – Investments

The amortized cost, gross unrealized gains and losses and fair value of the investment portfolio at March 31, 2013 and December 31, 2012 are shown below.

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
March 31, 2013	Cost		Gains		Losses (1)			Value
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	882,336	$	2,967	$	(568	)	$	884,735
Obligations of U.S. states and political subdivisions		783,756		16,069		(383	)		799,442
Corporate debt securities		1,693,146		13,683		(3,649	)		1,703,180
Asset-backed securities		329,493		1,315		(69	)		330,739
Residential mortgage-backed securities		432,977		923		(5,940	)		427,960
Commercial mortgage-backed securities		232,936		407		(1,680	)		231,663
Collateralized loan obligations		19,897		4		-			19,901
Debt securities issued by foreign sovereign governments		132,332		8,231		(421	)		140,142
Total debt securities		4,506,873		43,599		(12,710	)		4,537,762
Equity securities		2,815		115		(2	)		2,928
Total investment portfolio	$	4,509,688	$	43,714	$	(12,712	)	$	4,540,690

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
December 31, 2012	Cost		Gains		Losses (1)			Value
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	863,282	$	3,040	$	(71	)	$	866,251
Obligations of U.S. states and political subdivisions		795,935		16,965		(506	)		812,394
Corporate debt securities		1,469,844		13,813		(2,716	)		1,480,941
Asset-backed securities		322,802		1,657		(23	)		324,436
Residential mortgage-backed securities		451,352		871		(1,314	)		450,909
Commercial mortgage-backed securities		150,232		524		(414	)		150,342
Debt securities issued by foreign sovereign governments		132,490		9,784		(208	)		142,066
Total debt securities		4,185,937		46,654		(5,252	)		4,227,339
Equity securities		2,797		139		-			2,936
Total investment portfolio	$	4,188,734	$	46,793	$	(5,252	)	$	4,230,275

(1) At March 31, 2013 and December 31, 2012, there were no other-than-temporary impairment losses recorded in other comprehensive income.

Our foreign investments primarily consist of the investment portfolio supporting our Australian domiciled subsidiary. This portfolio is comprised of Australian government and semi government securities, representing 87% of the market value of our foreign investments with the remaining 11% invested in corporate securities and 2% in cash equivalents. Ninety-two percent of the Australian portfolio is rated AAA, by one or more of Moody's, Standard & Poor's and Fitch Ratings, and the remaining 8% is rated AA.

The amortized cost and fair values of debt securities at March 31, 2013, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Because most asset-backed and mortgage-backed securities and collateralized loan obligations provide for periodic payments throughout their lives, they are listed below in separate categories.

	Amortized		Fair
March 31, 2013	Cost		Value
	(In thousands)
Due in one year or less	$	959,410	$	961,273
Due after one year through five years		1,558,703		1,581,603
Due after five years through ten years		600,924		608,277
Due after ten years		372,533		376,346
	$	3,491,570	$	3,527,499
Asset-backed securities		329,493		330,739
Residential mortgage-backed securities		432,977		427,960
Commercial mortgage-backed securities		232,936		231,663
Collateralized loan obligations		19,897		19,901
Total at March 31, 2013	$	4,506,873	$	4,537,762

At March 31, 2013 and December 31, 2012, the investment portfolio had gross unrealized losses of $12.7 million and $5.3 million, respectively. For those securities in an unrealized loss position, the length of time the securities were in such a position, as measured by their month-end fair values, is as follows:

	Less Than 12 Months				12 Months or Greater				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
March 31, 2013	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	107,846	$	568	$	-	$	-	$	107,846	$	568
Obligations of U.S. states and political subdivisions		102,228		383		56		-		102,284		383
Corporate debt securities		547,075		3,646		3,321		3		550,396		3,649
Asset-backed securities		81,463		69		-		-		81,463		69
Residential mortgage-backed securities		307,541		5,586		18,132		354		325,673		5,940
Commercial mortgage-backed securities		139,102		1,680		-		-		139,102		1,680
Debt securities issued by foreign sovereign governments		22,711		421		-		-		22,711		421
Equity securities		135		2		-		-		135		2
Total investment portfolio	$	1,308,101	$	12,355	$	21,509	$	357	$	1,329,610	$	12,712
	Less Than 12 Months				12 Months or Greater				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
December 31, 2012	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
U.S. Treasury securities and obligations of U.S.government corporations and agencies	$	24,094	$	71	$	-	$	-	$	24,094	$	71
Obligations of U.S. states and political subdivisions		156,111		505		1,006		1		157,117		506
Corporate debt securities		280,765		2,714		3,353		2		284,118		2,716
Asset-backed securities		29,675		23		-		-		29,675		23
Residential mortgage-backed securities		315,000		982		19,939		332		334,939		1,314
Commercial mortgage-backed securities		72,689		414		-		-		72,689		414
Debt securities issued by foreign sovereign governments		14,695		208		-		-		14,695		208
Total investment portfolio	$	893,029	$	4,917	$	24,298	$	335	$	917,327	$	5,252

The unrealized losses in all categories of our investments at March 31, 2013 and December 31, 2012 were primarily caused by the difference in interest rates at March 31, 2013 and December 31, 2012, respectively, compared to interest rates at the time of purchase.

Under the current guidance a debt security impairment is deemed other than temporary if we either intend to sell the security, or it is more likely than not that we will be required to sell the security before recovery or we do not expect to collect cash flows sufficient to recover the amortized cost basis of the security. During each of the first three months of 2013 and 2012 there were no other-than-temporary impairments ("OTTI") recognized.

The net realized investment gains (losses) and OTTI on the investment portfolio are as follows:

		Three Months Ended
		March 31,
		2013		2012
	(In thousands)
Net realized investment gains (losses) and OTTI on investments:
Fixed maturities		$	1,257	$	75,339
Equity securities			2		382
Other			-		1,840
		$	1,259	$	77,561

		Three Months Ended
		March 31,
		2013		2012
	(In thousands)
Net realized investment gains (losses) and OTTI on investments:
Gains on sales		$	1,934	$	80,035
Losses on sales			(675		(2,474	)
Impairment losses			-		-
		$	1,259	$	77,561

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Other Comprehensive Income

3 Months Ended

Mar. 31, 2013

Other Comprehensive Income [Abstract]

Other Comprehensive Income

Note 9 – Other Comprehensive Income

Our other comprehensive income for the three months ended March 31, 2013 and 2012 was as follows:

	Three Months Ended
		March 31, 2013
								Valuation
		Before tax			Tax effect			allowance			Net of tax
	(In thousands)
Other comprehensive income (loss):
Change in unrealized gains and losses on investments		$	(10,539	)	$	3,592		$	(3,007	)	$	(9,954	)
Unrealized foreign currency translation adjustment			486			(170	)		-			316
Other comprehensive income (loss)		$	(10,053	)	$	3,422		$	(3,007	)	$	(9,638	)

	Three Months Ended
		March 31, 2012
								Valuation
		Before tax			Tax effect			allowance			Net of tax
	(In thousands)
Other comprehensive income (loss):
Change in unrealized gains and losses on investments		$	(46,926	)	$	16,256		$	(15,248	)	$	(45,918	)
Unrealized foreign currency translation adjustment			1,667			(584	)		-			1,083
Other comprehensive income (loss)		$	(45,259	)	$	15,672		$	(15,248	)	$	(44,835	)

See Note 11 – "Income Taxes" for a discussion of the valuation allowance.

Total accumulated other comprehensive income and changes in accumulated other comprehensive income, including amounts reclassified from other comprehensive income, are included in the table below.

	Three Months Ended
	March 31, 2013
	Unrealized gains and
	losses on available-				Defined benefit			Foreign currency
	for-sale securities				plans			translation			Total
	(In thousands)
Balance at December 31, 2012, before tax	$	41,541			$	(71,804	)	$	32,747		$	2,484
Other comprehensive income (loss) before reclassifications		(8,467	)			-			486			(7,981	)
Amounts reclassified from accumulated other comprehensive income (loss)		2,072		(1)		-			-			2,072
Net current period other comprehensive income (loss)		(10,539	)			-			486			(10,053	)
Balance at March 31, 2013, before tax		31,002				(71,804	)		33,233			(7,569	)
Tax effect (2)		(66,054	)			26,940			(11,118	)		(50,232	)
Balance at March 31, 2013, net of tax	$	(35,052	)		$	(44,864	)	$	22,115		$	(57,801	)

(1) During the three months ended March 31, 2013, unrealized gains and losses of $2.1 million were reclassified to the Consolidated Statement of Operations and included in Realized investment gains.

(2)Tax effect does not approximate 35% due to amounts of tax benefits not provided in various periods due to our tax valuation allowance.

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Litigation and Contingencies (Details) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2013 Loan	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Class action complaint under RESPA [Abstract]
Civil penalty	$ 2,650,000
Countrywide dispute [Abstract]
Number of rescindable loans affected by Company's decision to suspend rescissions for Countrywide	2,300
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for Countrywide	170,000,000
Number of rescindable loans affected by Company's decision to suspend rescissions for a specific customer	300
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for a specific customer	20,000,000
Other Legal Proceedings [Abstract]
Underwriting remedy expense		27,000,000	23,000,000	19,000,000
Class Action Complaint Under RESPA [Member] | Pending Litigation [Member]
Class action complaint under RESPA [Abstract]
Number of lawsuits	12
Number of cases dismissed	4
Number of similar cases filed naming various mortgage lenders and mortgage insurers as defendants	8
Countrywide Dispute [Member]
Countrywide dispute [Abstract]
Average paid claim reduction due to curtailments (in hundredths)	4.70%	4.10%
Number of days after claim paid within which objection must be received for review	90 days
Curtailment and other adjustments objected	40,000,000
Countrywide Dispute [Member] | Pending Litigation [Member]
Countrywide dispute [Abstract]
Amount of damages sought	700,000,000
Mitigation of paid losses	445,000,000
Number of rescindable loans affected by Company's decision to suspend rescissions for Countrywide	2,300
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for Countrywide	170,000,000
Number of rescindable loans affected by Company's decision to suspend rescissions for a specific customer	300
Total potential claim payments of rescindable loans affected by Company's decision to suspend rescissions for a specific customer	20,000,000
Increase in loss reserves for the probable settlement agreements	100,000,000
Mitigation of incurred losses since January 2008	2,900,000,000
Mitigation on paid losses, excluding deductible amounts	2,900,000,000
Amount excluded from mitigation losses that would have been applied to a deductible	600,000,000
Total loss reserves, estimated benefit from rescissions	$ 200,000,000
Lawsuits alleging improper recording and foreclosure activities by MERS [Member] | Pending Litigation [Member]
Lawsuits alleging improper recording and foreclosure activities by MERS [Abstract]
Number of lawsuits naming non-insurance subsidiary as defendant	8
Number of cases pending	2
Number of other lawsuits naming subsidiary as defendant that were dismissed	6

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Shareholders' Equity

3 Months Ended

Mar. 31, 2013

Shareholders' Equity [Abstract]

Shareholders' Equity

Note 14 – Shareholders' Equity

In March 2013 we completed the public offering and sale of 135 million shares of our common stock at a price of $5.15 per share. We received net proceeds of approximately $663.5 million, after deducting underwriting discount and estimated offering expenses. The shares of common stock sold were newly issued shares.

In March 2013 we also concurrently completed the sale of $500 million principal amount of 2% Convertible Senior Notes due in 2020. For more information, see Note 3 - "Debt."

In March 2013 we contributed $800 million to MGIC to increase its capital as discussed in Note 1 – "Basis of Presentation - Capital." We intend to use the remaining net proceeds from the offerings for general corporate purposes, which may include further increasing the capital of MGIC and other subsidiaries and improving liquidity by providing funds for debt service.

We have a Shareholders Rights Agreement which was approved by shareholders (the "Agreement") dated July 25, 2012, as amended through March 11, 2013, that seeks to diminish the risk that our ability to use our net operating losses ("NOLs") to reduce potential future federal income tax obligations may become substantially limited and to deter certain abusive takeover practices. The benefit of the NOLs, would be substantially limited, and the timing of the usage of the NOLs could be substantially delayed, if we were to experience an "ownership change" as defined by Section 382 of the Internal Revenue Code.

Under the Agreement each outstanding share of our Common Stock is accompanied by one Right. The Distribution Date occurs on the earlier of ten days after a public announcement that a person has become an Acquiring Person, or ten business days after a person announces or begins a tender offer in which consummation of such offer would result in a person becoming an Acquiring Person. An Acquiring Person is any person that becomes, by itself or together with its affiliates and associates, a beneficial owner of 5% or more of the shares of our Common Stock then outstanding, but excludes, among others, certain exempt and grandfathered persons as defined in the Agreement. The Rights are not exercisable until the Distribution Date. Each Right will initially entitle shareholders to buy one-tenth of one share of our Common Stock at a Purchase Price of $14 per full share (equivalent to $1.40 for each one-tenth share), subject to adjustment. Each exercisable Right (subject to certain limitations) will entitle its holder to purchase, at the Rights' then-current Purchase Price, a number of our shares of Common Stock (or if after the Shares Acquisition Date, we are acquired in a business combination, common shares of the acquiror) having a market value at the time equal to twice the Purchase Price. The Rights will expire on August 1, 2015, or earlier as described in the Agreement. The Rights are redeemable at a price of $0.001 per Right at any time prior to the time a person becomes an Acquiring Person. Other than certain amendments, the Board of Directors may amend the Rights in any respect without the consent of the holders of the Rights.

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Other Comprehensive Income (Tables)

3 Months Ended

Mar. 31, 2013

Other Comprehensive Income [Abstract]

Other comprehensive income

Our other comprehensive income for the three months ended March 31, 2013 and 2012 was as follows:

	Three Months Ended
		March 31, 2013
								Valuation
		Before tax			Tax effect			allowance			Net of tax
	(In thousands)
Other comprehensive income (loss):
Change in unrealized gains and losses on investments		$	(10,539	)	$	3,592		$	(3,007	)	$	(9,954	)
Unrealized foreign currency translation adjustment			486			(170	)		-			316
Other comprehensive income (loss)		$	(10,053	)	$	3,422		$	(3,007	)	$	(9,638	)

	Three Months Ended
		March 31, 2012
								Valuation
		Before tax			Tax effect			allowance			Net of tax
	(In thousands)
Other comprehensive income (loss):
Change in unrealized gains and losses on investments		$	(46,926	)	$	16,256		$	(15,248	)	$	(45,918	)
Unrealized foreign currency translation adjustment			1,667			(584	)		-			1,083
Other comprehensive income (loss)		$	(45,259	)	$	15,672		$	(15,248	)	$	(44,835	)

Accumulated other comprehensive income (loss)

Total accumulated other comprehensive income and changes in accumulated other comprehensive income, including amounts reclassified from other comprehensive income, are included in the table below.

	Three Months Ended
	March 31, 2013
	Unrealized gains and
	losses on available-				Defined benefit			Foreign currency
	for-sale securities				plans			translation			Total
	(In thousands)
Balance at December 31, 2012, before tax	$	41,541			$	(71,804	)	$	32,747		$	2,484
Other comprehensive income (loss) before reclassifications		(8,467	)			-			486			(7,981	)
Amounts reclassified from accumulated other comprehensive income (loss)		2,072		(1)		-			-			2,072
Net current period other comprehensive income (loss)		(10,539	)			-			486			(10,053	)
Balance at March 31, 2013, before tax		31,002				(71,804	)		33,233			(7,569	)
Tax effect (2)		(66,054	)			26,940			(11,118	)		(50,232	)
Balance at March 31, 2013, net of tax	$	(35,052	)		$	(44,864	)	$	22,115		$	(57,801	)

(1) During the three months ended March 31, 2013, unrealized gains and losses of $2.1 million were reclassified to the Consolidated Statement of Operations and included in Realized investment gains.

(2)Tax effect does not approximate 35% due to amounts of tax benefits not provided in various periods due to our tax valuation allowance.

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Benefit Plans (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Components of Net Periodic Benefit Cost [Abstract]
Estimate of future pension plan contributions	$ 10,000,000
Pension and Supplemental Executive Retirement Plans [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	2,717,000	2,390,000
Interest Cost	3,799,000	4,106,000
Expected Return on Assets	(5,038,000)	(4,516,000)
Recognized net actuarial loss	1,516,000	1,478,000
Amortization of prior service cost	125,000	161,000
Net periodic benefit cost	3,119,000	3,619,000
Other Postretirement Benefits [Member]
Components of Net Periodic Benefit Cost [Abstract]
Service cost	194,000	309,000
Interest Cost	154,000	292,000
Expected Return on Assets	(920,000)	(790,000)
Recognized net actuarial loss	0	210,000
Amortization of prior service cost	(1,663,000)	(1,554,000)
Net periodic benefit cost	$ (2,235,000)	$ (1,533,000)

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net Loss	$ (72,930)	$ (19,555)
Other comprehensive income (loss), net of tax (note 9):
Change in unrealized investment gains and losses	(9,954)	(45,918)
Foreign currency translation adjustment	316	1,083
Other comprehensive loss, net of tax	(9,638)	(44,835)
Total comprehensive loss	$ (82,568)	$ (64,390)

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Debt

3 Months Ended

Mar. 31, 2013

Debt [Abstract]

Debt

Note 3 – Debt

Senior Notes

At March 31, 2013 and December 31, 2012 we had outstanding $100.1 million of 5.375% Senior Notes due in November 2015. Covenants in the Senior Notes include the requirement that there be no liens on the stock of the designated subsidiaries unless the Senior Notes are equally and ratably secured; that there be no disposition of the stock of designated subsidiaries unless all of the stock is disposed of for consideration equal to the fair market value of the stock; and that we and the designated subsidiaries preserve our corporate existence, rights and franchises unless we or any such subsidiary determines that such preservation is no longer necessary in the conduct of its business and that the loss thereof is not disadvantageous to the Senior Notes. A designated subsidiary is any of our consolidated subsidiaries which has shareholders' equity of at least 15% of our consolidated shareholders' equity. We were in compliance with all covenants at March 31, 2013.

If we fail to meet any of the covenants of the Senior Notes; there is a failure to pay when due at maturity, or a default results in the acceleration of maturity of, any of our other debt in an aggregate amount of $40 million or more; or we fail to make a payment of principal on the Senior Notes when due or a payment of interest on the Senior Notes within thirty days after due and we are not successful in obtaining an agreement from holders of a majority of the Senior Notes to change (or waive) the applicable requirement or payment default, then the holders of 25% or more of our Senior Notes would have the right to accelerate the maturity of those notes. In addition, the trustee of the Senior Notes could, independent of any action by holders of Senior Notes, accelerate the maturity of the Senior Notes. The amounts we owe under the Senior Notes would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company, including certain events involving the appointment of a custodian, receiver, liquidator, assignee, trustee or other similar official (collectively, an "Insolvency Official") of our holding company or any substantial part of its property or the consent of our holding company to such an appointment. The description above is not intended to be complete in all respects. Moreover, the description is qualified in its entirety by the terms of the notes, which are contained in the Indenture, dated as of October 15, 2000, between us and U.S. Bank, National Association, as trustee, and in an Officer's Certificate dated as of October 4, 2005, which specifies the interest rate, maturity date and other terms of the Senior Notes.

There were no interest payments on the Senior Notes for the three months ended March 31, 2013 or 2012.

5% Convertible Senior Notes – due May 2017

At March 31, 2013 and December 31, 2012 we had outstanding $345 million principal amount of 5% Convertible Senior Notes due in May 2017. Interest on the 5% Notes is payable semi-annually in arrears on May 1 and November 1 of each year. The 5% Notes will mature on May 1, 2017. Covenants in the 5% Notes include a requirement to notify holders in advance of certain events and that we and the designated subsidiaries (defined above) preserve our corporate existence, rights and franchises unless we or any such subsidiary determines that such preservation is no longer necessary in the conduct of its business and that the loss thereof is not disadvantageous to the 5% Notes.

If an "events of default" under the 5% Notes occurs, including if: we fail to meet any of the covenants of the 5% Notes and such failure continues for 60 days after we receive notice from holders of 25% or more of the 5% Notes; there is a failure to pay when due at maturity or otherwise, or a default under any of our other debt results in the acceleration of maturity of, any of our other debt in an aggregate amount of $40 million or more; a final judgment for the payment of $40 million or more (excluding any amounts covered by insurance) is rendered against us or any of our subsidiaries which judgment is not discharged or stayed within certain time limits; or we fail to make a payment of principal on the 5% Notes when due or a payment of interest on the 5% Notes within thirty days after due and we are not successful in obtaining an agreement from holders of a majority of the 5% Notes to change (or waive) the applicable requirement or payment default, then the holders of 25% or more of the 5% Notes would have the right to accelerate the maturity of those notes. In addition, the trustee of the 5% Notes could, independent of any action by holders, accelerate the maturity of the 5% Notes if an "event of default" occurs. The amounts we owe under the 5% Notes would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company or a Significant Subsidiary, including the failure to have dismissed or stayed a petition seeking relief under bankruptcy or insolvency laws or the consent of our holding company or a Significant Subsidiary to the appointment of an Insolvency Official for all or substantially all of their respective property. "Significant Subsidiary" is defined in Regulation S-X under the Securities Act of 1933 and is measured as of the most recently completed fiscal year. As of December 31, 2012, MGIC and MGIC Reinsurance Corporation of Wisconsin were our Significant Subsidiaries.

The 5% Notes are convertible, at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.4186 shares per $1,000 principal amount at any time prior to the maturity date. This represents an initial conversion price of approximately $13.44 per share. These 5% Notes will be equal in right of payment to our other senior debt, discussed above, and will be senior in right of payment to our existing Convertible Junior Debentures, discussed below. Debt issuance costs are being amortized to interest expense over the contractual life of the 5% Notes. The provisions of the 5% Notes are complex. The description above is not intended to be complete in all respects. Moreover, that description is qualified in its entirety by the terms of the notes, which are contained in the Supplemental Indenture, dated as of April 26, 2010, between us and U.S. Bank National Association, as trustee, and the Indenture dated as of October 15, 2000, between us and the trustee.

There were no interest payments on the 5% Notes for the three months ended March 31, 2013 or 2012.

2% Convertible Senior Notes – due April 2020

In March 2013 we completed the sale of $500 million principal amount of 2% Convertible Senior Notes due in 2020. We received net proceeds of approximately $484.7 million after deducting underwriting discount and estimated offering expenses. See Note 14 - "Shareholders' Equity" for information regarding the use of such proceeds. Interest on the 2% Notes will be payable semi-annually in arrears on April 1 and October 1 of each year, beginning on October 1, 2013. The 2% Notes will mature on April 1, 2020. Subject to certain limitations the 2% Notes are convertible at the holder's option at an initial conversion rate, which is subject to adjustment, of 143.8332 shares per $1,000 principal amount. This represents an initial conversion price of approximately $6.95 per share. Before January 1, 2020, conversions may only occur under certain circumstances, including upon redemption of the 2% Notes. On or after January 1, 2020, holders may convert their notes at any time. These 2% Notes will be equal in right of payment to our other senior debt and will be senior in right of payment to our existing Convertible Junior Debentures. Debt issuance costs will be amortized to interest expense over the contractual life of the 2% Notes. Prior to April 10, 2017, the notes will not be redeemable. On any business day on or after April 10, 2017 we may redeem for cash all or part of the notes, at our option, at a redemption price equal to 100% of the principal amount of the notes being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the notes for at least 20 of the 30 trading days preceding notice of the redemption.

Covenants in the 2% Notes include a requirement to notify holders in advance of certain events and that we and the designated subsidiaries (defined above) preserve our corporate existence, rights and franchises unless we or any such subsidiary determines that such preservation is no longer necessary in the conduct of its business and that the loss thereof is not disadvantageous to the 2% Notes.

If an "events of default" under the 2% Notes occurs, including if: we fail to meet any of the covenants of the 2% Notes and such failure continues for 60 days after we receive notice from holders of 25% or more of the 2% Notes; there is a failure to pay when due at maturity or otherwise, or a default under any of our other debt results in the acceleration of maturity of, any of our other debt in an aggregate amount of $40 million or more; a final judgment for the payment of $40 million or more (excluding any amounts covered by insurance) is rendered against us or any of our subsidiaries which judgment is not discharged or stayed within certain time limits; or we fail to make a payment of principal on the 2% Notes when due or a payment of interest on the 2% Notes within thirty days after due and we are not successful in obtaining an agreement from holders of a majority of the 2% Notes to change (or waive) the applicable requirement or payment default, then the holders of 25% or more of the 2% Notes would have the right to accelerate the maturity of those notes. In addition, the trustee of the 2% Notes could, independent of any action by holders, accelerate the maturity of the 2% Notes if an "event of default" occurs. The amounts we owe under the 2% Notes would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company or a Significant Subsidiary, including the failure to have dismissed or stayed a petition seeking relief under bankruptcy or insolvency laws or the consent of our holding company or a Significant Subsidiary to the appointment of an Insolvency Official for all or substantially all of their respective property.

The provisions of the 2% Notes are complex. The description above is not intended to be complete in all respects. Moreover, that description is qualified in its entirety by the terms of the notes, which are contained in the Second Supplemental Indenture, dated March 12, 2013, between us and U.S. Bank National Association, as trustee, and the Indenture dated as of October 15, 2000, between us and the trustee.

Convertible Junior Subordinated Debentures

At March 31, 2013 and December 31, 2012 we had outstanding $389.5 million principal amount of 9% Convertible Junior Subordinated Debentures due in 2063 (the "debentures"). The debentures have an effective interest rate of 19% that reflects our non-convertible debt borrowing rate at the time of issuance. At December 31, 2012 the amortized value of the principal amount of the debentures is reflected as a liability on our consolidated balance sheet of $379.6 million, with the unamortized discount reflected in equity. As of March 31, 2013 the full principal amount of the debentures is reflected as a liability on our consolidated balance sheet. The debentures rank junior to all of our existing and future senior indebtedness.

Violations of the covenants under the Indenture governing the debentures, including covenants to provide certain documents to the trustee, are not events of default under the Indenture and would not allow the acceleration of amounts that we owe under the debentures. Similarly, events of default under, or acceleration of, any of our other obligations, including those described above, would not allow the acceleration of amounts that we owe under the debentures. However, if we fail to pay principal or interest when due under the debentures, then the holders of 25% or more of the debentures would have the right to accelerate the maturity of them. In addition, the trustee of the debentures could, independent of any action by holders, accelerate the maturity of the debentures. The amounts we owe under the Convertible Junior Subordinated Debentures would also be accelerated upon certain bankruptcy or insolvency-related events involving our holding company, including the appointment of a custodian of it or any substantial part of its properties.

Interest on the debentures is payable semi-annually in arrears on April 1 and October 1 of each year. As long as no event of default with respect to the debentures has occurred and is continuing, we may defer interest, under an optional deferral provision, for one or more consecutive interest periods up to ten years without giving rise to an event of default. Deferred interest will accrue additional interest at the rate then applicable to the debentures. During an optional deferral period we may not pay or declare dividends on our common stock.

Interest on the debentures that would have been payable on the scheduled interest payment date of October 1, 2012 had been deferred. During the deferral period the deferred interest continued to accrue and compound semi-annually at an annual rate of 9%.

On April 1, 2013 we paid the deferred interest payment, including the compound interest. The interest payment, totaling approximately $18.3 million, was made from the net proceeds of our March 2013 common stock offering. We also paid the regular April 1, 2013 interest payment due on the debentures of approximately $17.5 million. We continue to have the right to defer interest that is payable on subsequent scheduled interest payment dates. Any deferral of such interest would be on terms equivalent to those described above.

When interest on the debentures is deferred, we are required, not later than a specified time, to use reasonable commercial efforts to begin selling qualifying securities to persons who are not our affiliates. The specified time is one business day after we pay interest on the debentures that was not deferred, or if earlier, the fifth anniversary of the scheduled interest payment date on which the deferral started. Qualifying securities are common stock, certain warrants and certain non-cumulative perpetual preferred stock. The requirement to use such efforts to sell such securities is called the Alternative Payment Mechanism.

The net proceeds of Alternative Payment Mechanism sales are to be applied to the payment of deferred interest, including the compound portion. We cannot pay deferred interest other than from the net proceeds of Alternative Payment Mechanism sales, except at the final maturity of the debentures or at the tenth anniversary of the start of the interest deferral. The Alternative Payment Mechanism does not require us to sell common stock or warrants before the fifth anniversary of the interest payment date on which that deferral started if the net proceeds (counting any net proceeds of those securities previously sold under the Alternative Payment Mechanism) would exceed the 2% cap. The 2% cap is 2% of the average closing price of our common stock times the number of our outstanding shares of common stock. The average price is determined over a specified period ending before the issuance of the common stock or warrants being sold, and the number of outstanding shares is determined as of the date of our most recent publicly released financial statements.

We are not required to issue under the Alternative Payment Mechanism a total of more than 10 million shares of common stock, including shares underlying qualifying warrants. In addition, we may not issue under the Alternative Payment Mechanism qualifying preferred stock if the total net proceeds of all issuances would exceed 25% of the aggregate principal amount of the debentures.

The Alternative Payment Mechanism does not apply during any period between scheduled interest payment dates if there is a "market disruption event" that occurs over a specified portion of such period. Market disruption events include any material adverse change in domestic or international economic or financial conditions.

The provisions of the debentures are complex. The description above is not intended to be complete in all respects. Moreover, that description is qualified in its entirety by the terms of the debentures, which are contained in the Indenture, dated as of March 28, 2008, between us and U.S. Bank National Association, as trustee.

We may redeem the debentures in whole or in part from time to time, at our option, at a redemption price equal to 100% of the principal amount of the debentures being redeemed, plus any accrued and unpaid interest, if the closing sale price of our common stock exceeds 130% of the then prevailing conversion price of the debentures for at least 20 of the 30 trading days preceding notice of the redemption.

The debentures are currently convertible, at the holder's option, at an initial conversion rate, which is subject to adjustment, of 74.0741 common shares per $1,000 principal amount of debentures at any time prior to the maturity date. This represents an initial conversion price of approximately $13.50 per share. If a holder elects to convert their debentures, deferred interest owed on the debentures being converted is also converted into shares of our common stock. The conversion rate for any deferred interest is based on the average price that our shares traded at during a 5-day period immediately prior to the election to convert. In lieu of issuing shares of common stock upon conversion of the debentures, we may, at our option, make a cash payment to converting holders for all or some of the shares of our common stock otherwise issuable upon conversion.

There were no interest payments on the debentures for the three months ended March 31, 2013 or 2012.

All debt

The par value and fair value of our debt at March 31, 2013 and December 31, 2012 appears in the table below.

	Par Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
March 31, 2013
Liabilities:
Senior Notes	$	100,118	$	98,266	$	98,266	$	-	$	-
Convertible Senior Notes due 2017		345,000		341,550		341,550		-		-
Convertible Senior Notes due 2020		500,000		511,565		511,565		-		-
Convertible Junior Subordinated Debentures		389,522		390,009		-		390,009		-
Total Debt	$	1,334,640	$	1,341,390	$	951,381	$	390,009	$	-
December 31, 2012
Liabilities:
Senior Notes	$	100,118	$	79,594	$	79,594	$	-	$	-
Convertible Senior Notes due 2017		345,000		242,880		242,880		-		-
Convertible Junior Subordinated Debentures		389,522		173,096		-		173,096		-
Total Debt	$	834,640	$	495,570	$	322,474	$	173,096	$	-

The fair value of our Senior Notes and Convertible Senior Notes was determined using publicly available trade information and are considered Level 1 securities as described in Note 8 – "Fair Value Measurements." The fair value of our debentures was determined using available pricing for these debentures or similar instruments and are considered Level 2 securities as described in Note 8 – "Fair Value Measurements."

The Senior Notes, Convertible Senior Notes and Convertible Junior Debentures are obligations of our holding company, MGIC Investment Corporation, and not of its subsidiaries. At March 31, 2013, we had approximately $671 million in cash and investments at our holding company. The net unrealized gains on our holding company investment portfolio were approximately $1.3 million at March 31, 2013. The modified duration of the holding company investment portfolio, excluding cash and cash equivalents, was 2.0 years at March 31, 2013.

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Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Benefit Plans [Abstract]

Components of net periodic benefit cost

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

	Three Months Ended March 31,
	Pension and Supplemental						Other Postretirement
	Executive Retirement Plans						Benefits
	2013			2012			2013			2012
	(In thousands)
Service cost	$	2,717		$	2,390		$	194		$	309
Interest cost		3,799			4,106			154			292
Expected return on plan assets		(5,038	)		(4,516	)		(920	)		(790	)
Recognized net actuarial loss		1,516			1,478			-			210
Amortization of prior service cost		125			161			(1,663	)		(1,554	)
Net periodic benefit cost	$	3,119		$	3,619		$	(2,235	)	$	(1,533	)

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Fair Value Measurements (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Fair Value Measurements [Abstract]
Discount rates used for the DCF model, minimum (in hundredths)	16.87%
Discount rate used for the DCF model, maximum (in hundredths)	18.35%
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	$ 4,540,690		$ 4,230,275
Real estate acquired	7,524	[1]	3,463	[1]
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	1,027,484		1,010,932
Real estate acquired	0	[1]	0	[1]
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	3,509,928		3,198,778
Real estate acquired	0	[1]	0	[1]
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	3,278		20,565
Real estate acquired	7,524	[1]	3,463	[1]
U.S. Treasury securities and obligations of U.S. government corporations and agencies [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	884,735		866,251
U.S. Treasury securities and obligations of U.S. government corporations and agencies [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	884,735		866,251
U.S. Treasury securities and obligations of U.S. government corporations and agencies [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
U.S. Treasury securities and obligations of U.S. government corporations and agencies [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Obligations of U.S. States and Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	799,442		812,394
Obligations of U.S. States and Political Subdivisions [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Obligations of U.S. States and Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	796,485		809,264
Obligations of U.S. States and Political Subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	2,957		3,130
Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	1,703,180		1,480,941
Corporate Debt Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Corporate Debt Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	1,703,180		1,463,827
Corporate Debt Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		17,114
Asset-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	330,739		324,436
Asset-Backed Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Asset-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	330,739		324,436
Asset-Backed Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Residential Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	427,960		450,909
Residential Mortgage-Backed Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Residential Mortgage-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	427,960		450,909
Residential Mortgage-Backed Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Commercial mortgage-backed securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	231,663		150,342
Commercial mortgage-backed securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Commercial mortgage-backed securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	231,663		150,342
Commercial mortgage-backed securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Collateralized loan obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	19,901
Collateralized loan obligations [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0
Collateralized loan obligations [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	19,901
Collateralized loan obligations [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0
Debt Securities Issued by Foreign Sovereign Governments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	140,142		142,066
Debt Securities Issued by Foreign Sovereign Governments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	140,142		142,066
Debt Securities Issued by Foreign Sovereign Governments [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Debt Securities Issued by Foreign Sovereign Governments [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Total Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	4,537,762		4,227,339
Total Debt Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	1,024,877		1,008,317
Total Debt Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	3,509,928		3,198,778
Total Debt Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	2,957		20,244
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	2,928		2,936
Equity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	2,607		2,615
Equity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	0		0
Equity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total investments	$ 321		$ 321

[1] Real estate acquired through claim settlement, which is held for sale, is reported in Other Assets on the consolidated balance sheet.

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Premium Deficiency Reserve

3 Months Ended

Mar. 31, 2013

Premium Deficiency Reserve [Abstract]

Premium Deficiency Reserve

Note 13 – Premium Deficiency Reserve

The components of the premium deficiency reserve at March 31, 2013, December 31, 2012 and March 31, 2012 appear in the table below.

	March 31,			December 31,			March 31,
	2013			2012			2012
	(In millions)
Present value of expected future paid losses and expenses, net of expected future premium	$	(808	)	$	(840	)	$	(903	)
Established loss reserves		736			766			782
Net deficiency	$	(72	)	$	(74	)	$	(121	)

The decrease in the premium deficiency reserve for the three months ended March 31, 2013 and 2012 was $2 million and $14 million, respectively, as shown in the table below, which represents the net result of actual premiums, losses and expenses as well as a net change in assumptions for these periods. The net change in assumptions for the three months ended March 31, 2013 is primarily related to higher estimated ultimate losses. The net change in assumptions for the three months ended March 31, 2012 is primarily related to higher estimated ultimate premiums.

	Three Months Ended March 31,
	2013						2012
	(In millions)
Premium Deficiency Reserve at beginning of period				$	(74	)				$	(135	)
Paid claims and loss adjustment expenses	$	58					$	76
Decrease in loss reserves		(30	)					(44	)
Premium earned		(23	)					(28	)
Effects of present valuing on future premiums, losses and expenses		(2	)					-
Change in premium deficiency reserve to reflect actual premium, losses and expenses recognized					3						4
Change in premium deficiency reserve to reflect change in assumptions relating to future premiums, losses, expenses and discount rate (1)					(1	)					10
Premium Deficiency Reserve at end of period				$	(72	)				$	(121	)

(1) A (negative) positive number for changes in assumptions relating to premiums, losses, expenses and discount rate indicates a (deficiency) redundancy of the prior premium deficiency reserve.