10-Q

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As filed with the Securities and Exchange Commission on May 8, 2013

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

ý	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the Quarterly Period Ended March 31, 2013
Or
¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from__________to__________

Commission File No. 0-20570

IAC/INTERACTIVECORP

(Exact name of registrant as specified in its charter)

Delaware  (State or other jurisdiction of incorporation or organization)	59-2712887 (I.R.S. Employer Identification No.)
555 West 18th Street, New York, New York 10011  (Address of registrant's principal executive offices)
(212) 314-7300 (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 ý    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 ý    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.

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

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o    No ý

As of April 26, 2013, the following shares of the registrant's common stock were outstanding:

Common Stock	77,930,674
Class B Common Stock	5,789,499
Total outstanding Common Stock	83,720,173

The aggregate market value of the voting common stock held by non-affiliates of the registrant as of April 26, 2013 was $3,557,423,469. For the purpose of the foregoing calculation only, all directors and executive officers of the registrant are assumed to be affiliates of the registrant.

TABLE OF CONTENTS

		Page Number
PART I
Item 1.	Consolidated Financial Statements	3
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	26
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	38
Item 4.	Controls and Procedures	39
PART II
Item 1A.	Risk Factors	40
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	40
Item 6.	Exhibits	42
	Signatures	43

PART I

FINANCIAL INFORMATION

Item 1.    Consolidated Financial Statements

IAC/INTERACTIVECORP

CONSOLIDATED BALANCE SHEET

(Unaudited)

	March 31, 2013			December 31, 2012
	(In thousands, except share data)
ASSETS
Cash and cash equivalents	$	673,757		$	749,977
Marketable securities	5,814			20,604
Accounts receivable, net of allowance of $8,908 and $11,088, respectively	235,181			229,830
Other current assets	140,930			156,339
Total current assets	1,055,682			1,156,750
Property and equipment, net	293,282			270,512
Goodwill	1,674,220			1,616,154
Intangible assets, net	478,784			482,904
Long-term investments	157,750			161,278
Other non-current assets	120,528			118,230
TOTAL ASSETS	$	3,780,246		$	3,805,828
LIABILITIES AND SHAREHOLDERS' EQUITY
LIABILITIES:
Current maturities of long-term debt	$	—		$	15,844
Accounts payable, trade	78,168			98,314
Deferred revenue	169,480			155,499
Accrued expenses and other current liabilities	343,791			355,232
Total current liabilities	591,439			624,889
Long-term debt, net of current maturities	580,000			580,000
Income taxes payable	481,908			479,945
Deferred income taxes	314,750			323,403
Other long-term liabilities	66,405			31,830
Redeemable noncontrolling interests	59,254			58,126
Commitments and contingencies
SHAREHOLDERS' EQUITY:
Common stock $.001 par value; authorized 1,600,000,000 shares; issued 250,982,079 shares, and outstanding 77,889,960 and 78,471,784 shares, respectively	251			251
Class B convertible common stock $.001 par value; authorized 400,000,000 shares; issued 16,157,499 shares and outstanding 5,789,499 shares	16			16
Additional paid-in capital	11,606,585			11,607,367
Accumulated deficit	(264,882		)	(318,519		)
Accumulated other comprehensive loss	(44,096		)	(32,169		)
Treasury stock 183,460,119 and 182,878,295 shares, respectively	(9,661,355		)	(9,601,218		)
Total IAC shareholders' equity	1,636,519			1,655,728
Noncontrolling interests	49,971			51,907
Total shareholders' equity	1,686,490			1,707,635
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$	3,780,246		$	3,805,828

The accompanying Notes to Consolidated Financial Statements are an integral part of these statements.

3

IAC/INTERACTIVECORP

CONSOLIDATED STATEMENT OF OPERATIONS

(Unaudited)

	Three Months Ended March 31,
	2013			2012
	(In thousands, except per share data)
Revenue	$	742,249		$	640,600
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	255,082			223,571
Selling and marketing expense	242,914			219,838
General and administrative expense	98,026			91,788
Product development expense	33,582			23,482
Depreciation	14,016			12,115
Amortization of intangibles	14,078			7,041
Total costs and expenses	657,698			577,835
Operating income	84,551			62,765
Equity in losses of unconsolidated affiliates	(91		)	(5,901		)
Interest expense	(7,663		)	(1,347		)
Other income, net	1,658			2,756
Earnings from continuing operations before income taxes	78,455			58,273
Income tax provision	(25,746		)	(27,120		)
Earnings from continuing operations	52,709			31,153
(Loss) earnings from discontinued operations, net of tax	(944		)	3,684
Net earnings	51,765			34,837
Net loss (earnings) attributable to noncontrolling interests	1,872			(359		)
Net earnings attributable to IAC shareholders	$	53,637		$	34,478
Per share information attributable to IAC shareholders:
Basic earnings per share from continuing operations	$	0.65		$	0.37
Diluted earnings per share from continuing operations	$	0.62		$	0.34
Basic earnings per share	$	0.64		$	0.42
Diluted earnings per share	$	0.61		$	0.38
Dividends declared per share	$	0.24		$	0.12
Non-cash compensation expense by function:
Cost of revenue	$	620		$	1,724
Selling and marketing expense	386			1,122
General and administrative expense	10,780			17,117
Product development expense	877			1,503
Total non-cash compensation expense	$	12,663		$	21,466

The accompanying Notes to Consolidated Financial Statements are an integral part of these statements.

4

IAC/INTERACTIVECORP

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

(Unaudited)

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Net earnings	$	51,765		$	34,837
Other comprehensive (loss) income, net of tax:
Change in foreign currency translation adjustment	(8,423		)	7,085
Change in net unrealized (losses) gains on available-for-sale securities (net of tax benefit of $824 in 2013 and tax provision of $12,579 in 2012)	(4,976		)	24,724
Total other comprehensive (loss) income	(13,399		)	31,809
Comprehensive income	38,366			66,646
Comprehensive loss (income) attributable to noncontrolling interests	3,344			(1,272		)
Comprehensive income attributable to IAC shareholders	$	41,710		$	65,374

The accompanying Notes to Consolidated Financial Statements are an integral part of these statements.

5

IAC/INTERACTIVECORP

CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY

(Unaudited)

				IAC Shareholders' Equity
							Class B Convertible Common Stock $.001 Par Value
				Common Stock $.001 Par Value
																Accumulated Other Comprehensive Loss						Total IAC Shareholders' Equity
	Redeemable Noncontrolling Interests									Additional Paid-in Capital			Accumulated Deficit							Treasury Stock						Noncontrolling Interests			Total Shareholders' Equity
				$		Shares	$		Shares
				(In thousands)
Balance as of December 31, 2012	$	58,126		$	251	250,982	$	16	16,157	$	11,607,367		$	(318,519	)	$	(32,169	)	$	(9,601,218	)	$	1,655,728		$	51,907		$	1,707,635
Net (loss) earnings for the three months ended March 31, 2013	(1,285		)	—		—	—		—	—			53,637			—			—			53,637			(587		)	53,050
Other comprehensive loss, net of tax	(584		)	—		—	—		—	—			—			(11,927		)	—			(11,927		)	(888		)	(12,815		)
Non-cash compensation expense	—			—		—	—		—	12,820			—			—			—			12,820			(157		)	12,663
Issuance of common stock upon exercise of stock options, vesting of restricted stock units and other, net of withholding taxes	—			—		—	—		—	(4,231		)	—			—			1			(4,230		)	—			(4,230		)
Income tax benefit related to the exercise of stock options, vesting of restricted stock units and other	—			—		—	—		—	12,332			—			—			—			12,332			—			12,332
Dividends	—			—		—	—		—	(21,597		)	—			—			—			(21,597		)	—			(21,597		)
Purchase of treasury stock	—			—		—	—		—	—			—			—			(60,138		)	(60,138		)	—			(60,138		)
Adjustment of redeemable noncontrolling interests to fair value	2,659			—		—	—		—	(2,659		)	—			—			—			(2,659		)	—			(2,659		)
Transfer from noncontrolling interests to redeemable noncontrolling interests	304			—		—	—		—	—			—			—			—			—			(304		)	(304		)
Other	34			—		—	—		—	2,553			—			—			—			2,553			—			2,553
Balance as of March 31, 2013	$	59,254		$	251	250,982	$	16	16,157	$	11,606,585		$	(264,882	)	$	(44,096	)	$	(9,661,355	)	$	1,636,519		$	49,971		$	1,686,490

The accompanying Notes to Consolidated Financial Statements are an integral part of these statements.

6

IAC/INTERACTIVECORP

CONSOLIDATED STATEMENT OF CASH FLOWS

(Unaudited)

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Cash flows from operating activities attributable to continuing operations:
Net earnings	$	51,765		$	34,837
Less: (loss) earnings from discontinued operations, net of tax	(944		)	3,684
Earnings from continuing operations	52,709			31,153
Adjustments to reconcile earnings from continuing operations to net cash provided by operating activities attributable to continuing operations:
Non-cash compensation expense	12,663			21,466
Depreciation	14,016			12,115
Amortization of intangibles	14,078			7,041
Deferred income taxes	(11,010		)	3,129
Equity in losses of unconsolidated affiliates	91			5,901
Acquisition-related contingent consideration fair value adjustment	1,458			—
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(4,635		)	(10,537		)
Other current assets	(8,001		)	(8,950		)
Accounts payable and other current liabilities	(12,929		)	(34,991		)
Income taxes payable	22,666			10,843
Deferred revenue	7,827			19,622
Other, net	3,429			2,258
Net cash provided by operating activities attributable to continuing operations	92,362			59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(29,194		)	(10,267		)
Capital expenditures	(33,638		)	(9,633		)
Proceeds from maturities and sales of marketable debt securities	12,500			18,343
Purchases of marketable debt securities	—			(10,012		)
Proceeds from sales of long-term investments	214			8,058
Purchases of long-term investments	(975		)	(470		)
Other, net	(1,051		)	(8,253		)
Net cash used in investing activities attributable to continuing operations	(52,144		)	(12,234		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605		)	(222,863		)
Issuance of common stock, net of withholding taxes	552			99,212
Dividends	(21,429		)	(10,573		)
Excess tax benefits from stock-based awards	12,530			6,477
Principal payments on long-term debt	(15,844		)	—
Other, net	(1,101		)	22
Net cash used in financing activities attributable to continuing operations	(113,897		)	(127,725		)
Total cash used in continuing operations	(73,679		)	(80,909		)
Total cash provided by (used in) discontinued operations	2,425			(368		)
Effect of exchange rate changes on cash and cash equivalents	(4,966		)	1,220
Net decrease in cash and cash equivalents	(76,220		)	(80,057		)
Cash and cash equivalents at beginning of period	749,977			704,153
Cash and cash equivalents at end of period	$	673,757		$	624,096

The accompanying Notes to Consolidated Financial Statements are an integral part of these statements

7

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1—THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Nature of Operations

IAC is a leading media and internet company comprised of more than 150 brands and products, including Ask.com, About.com, Match.com, HomeAdvisor.com and Vimeo.com. Focused in the areas of search, applications, online dating, local and media, IAC's family of websites is one of the largest in the world, with more than a billion monthly visits across more than 30 countries. IAC includes the businesses comprising its Search & Applications, Match, Local, Media and Other segments, as well as investments in unconsolidated affiliates.

All references to "IAC," the "Company," "we," "our" or "us" in this report are to IAC/InterActiveCorp.

Basis of Presentation

The consolidated financial statements include the accounts of the Company, all entities that are wholly-owned by the Company and all entities in which the Company has a controlling financial interest. Intercompany transactions and accounts have been eliminated. Investments in entities in which the Company has the ability to exercise significant influence over the operating and financial matters of the investee, but does not have a controlling financial interest, are accounted for using the equity method and are included in "Long-term investments" in the accompanying consolidated balance sheet.

The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") for interim financial information and with the rules and regulations of the Securities and Exchange Commission. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements. In the opinion of management, the accompanying unaudited consolidated financial statements include all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation. Interim results are not necessarily indicative of the results that may be expected for a full year. The accompanying unaudited consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's annual report on Form 10-K for the year ended December 31, 2012.

Accounting Estimates

The preparation of consolidated financial statements in accordance with U.S. GAAP requires management to make certain estimates, judgments and assumptions that impact the reported amounts of assets, liabilities, revenue and expenses and the related disclosure of contingent assets and liabilities. Actual results could differ from those estimates. On an ongoing basis, the Company evaluates its estimates and judgments including those related to: the fair values of marketable securities and other investments; the recoverability of goodwill and indefinite-lived intangible assets; the useful lives and recovery of definite-lived intangible assets and property and equipment; the carrying value of accounts receivable, including the determination of the allowance for doubtful accounts and revenue reserves; the fair value of acquisition-related contingent consideration; the reserves for income tax contingencies; the valuation allowance for deferred income tax assets; and the fair value of and forfeiture rates for stock-based awards, among others. The Company bases its estimates and judgments on historical experience, its forecasts and budgets and other factors that the Company considers relevant.

Certain Risks and Concentrations

A substantial portion of the Company's revenue is derived from online advertising, the market for which is highly competitive and rapidly changing. Significant changes in this industry or changes in advertising spending behavior or in customer buying behavior could adversely affect our operating results. Most of the Company's online advertising revenue is attributable to a services agreement with Google Inc. ("Google"), which expires on March 31, 2016. Our services agreement requires that we comply with certain guidelines promulgated by Google. Subject to certain limitations, Google may unilaterally update its policies and guidelines, which could in turn require modifications to, or prohibit and/or render obsolete certain of, our products, services and/or business practices, which could be costly to address or otherwise have an adverse effect on our business, financial condition and results of operations. For the three months ended March 31, 2013 and 2012, revenue earned from Google is $376.1 million and $328.9 million, respectively. This revenue is earned by the businesses comprising the Search & Applications segment. Accounts receivable related to revenue earned from Google totaled $137.0 million at March 31, 2013 and $125.3 million at December 31, 2012.

NOTE 2—INCOME TAXES

At the end of each interim period, the Company makes its best estimate of the annual expected effective income tax rate and applies that rate to its ordinary year-to-date earnings or loss. The income tax provision or benefit related to significant, unusual, or extraordinary items, if applicable, that will be separately reported or reported net of their related tax effects are individually computed and recognized in the interim period in which those items occur. In addition, the effect of changes in enacted tax laws or rates, tax status, judgment on the realizability of a beginning-of-the-year deferred tax asset in future years or income tax contingencies is recognized in the interim period in which the change occurs.

The computation of the annual expected effective income tax rate at each interim period requires certain estimates and assumptions including, but not limited to, the expected pre-tax income (or loss) for the year, projections of the proportion of income (and/or loss) earned and taxed in foreign jurisdictions, permanent and temporary differences, and the likelihood of the realizability of deferred tax assets generated in the current year. The accounting estimates used to compute the provision or benefit for income taxes may change as new events occur, more experience is acquired, additional information is obtained or our tax environment changes. To the extent that the expected annual effective income tax rate changes during a quarter, the effect of the change on prior quarters is included in income tax provision in the quarter in which the change occurs.

For the three months ended March 31, 2013, the Company recorded an income tax provision for continuing operations of $25.7 million, which represents an effective income tax rate of 33%. The effective rate for the three months endedMarch 31, 2013 is lower than the statutory rate of 35% due primarily to foreign income taxed at lower rates and research credits, partially offset by state taxes. For the three months endedMarch 31, 2012, the Company recorded an income tax provision for continuing operations of $27.1 million, which represents an effective income tax rate of 47%. The effective rate for the three months endedMarch 31, 2012 is higher than the statutory rate of 35% due principally to an increase in reserves for and interest on reserves for income tax contingencies and state taxes, partially offset by foreign income taxed at lower rates.

At March 31, 2013 and December 31, 2012, unrecognized tax benefits, including interest, are $497.8 million and $496.8 million, respectively. Unrecognized tax benefits, including interest, for the three months endedMarch 31, 2013 increased by $1.0 million due principally to interest, partially offset by a net decrease in deductible timing differences. Of the total unrecognized tax benefits at March 31, 2013, $469.8 million is included in "Income taxes payable," $15.0 million relates to deferred tax assets included in "Deferred income taxes" and $13.0 million is included in "Accrued expenses and other current liabilities" in the accompanying consolidated balance sheet. Included in unrecognized tax benefits at March 31, 2013 is $73.6 million relating to tax positions for which the ultimate deductibility is highly certain, but for which there is uncertainty about the timing of such deductibility. If unrecognized tax benefits at March 31, 2013 are subsequently recognized, $110.5 million and $223.3 million, net of related deferred tax assets and interest, would reduce income tax expense for continuing operations and discontinued operations, respectively.

The Company recognizes interest and, if applicable, penalties related to unrecognized tax benefits in income tax provision. Included in the income tax provision for continuing operations and discontinued operations for the three months endedMarch 31, 2013 is a $1.3 million and a $1.0 million expense, respectively, net of related deferred taxes, for interest on unrecognized tax benefits. At March 31, 2013 and December 31, 2012, the Company has accrued $120.9 million and $117.5 million, respectively, for the payment of interest. At March 31, 2013 and December 31, 2012, the Company has accrued $5.0 million for penalties.

The Company is routinely under audit by federal, state, local and foreign authorities in the area of income tax. These audits include questioning the timing and the amount of income and deductions and the allocation of income and deductions among various tax jurisdictions. The Internal Revenue Service ("IRS") has substantially completed its audit of the Company's tax returns for the years ended December 31, 2001 through 2009. The settlement of these tax years has not yet been submitted to the Joint Committee of Taxation for approval. The statute of limitations for the years 2001 through 2009 has been extended to June 30, 2014. Various state and local jurisdictions are currently under examination, the most significant of which are California, New York and New York City for various tax years beginning with 2006. Income taxes payable include reserves considered sufficient to pay assessments that may result from examination of prior year tax returns. Changes to reserves from period to period and differences between amounts paid, if any, upon resolution of issues raised in audits and amounts previously provided may be material. Differences between the reserves for income tax contingencies and the amounts owed by the Company are recorded in the period they become known. The Company believes that it is reasonably possible that its

8

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

unrecognized tax benefits could decrease by $132.8 million within twelve months of the current reporting date, of which approximately $14.4 million could decrease income tax provision, primarily due to settlements, expirations of statutes of limitations, and the reversal of deductible temporary differences that will primarily result in a corresponding decrease in net deferred tax assets. An estimate of other changes in unrecognized tax benefits, while potentially significant, cannot be made.

NOTE 3—BUSINESS COMBINATIONS

Acquisition of Twoo

On January 4, 2013, Meetic S.A, a Match subsidiary, purchased all the outstanding shares of Massive Media NV, which operates Twoo, a social discovery website that allows its users to meet new people. The purchase price was $25.0 million in cash, plus potential additional consideration of up to €83.2 million (or $108.0 million using the March 31, 2013 exchange rate) that is contingent upon a combination of earnings performance and user growth through December 31, 2015. The fair value of the contingent consideration arrangement at the acquisition date was $40.8 million. See Note 5 for additional information related to the fair value measurement of the contingent consideration arrangement.

Acquisition of About, Inc.

On September 24, 2012, IAC completed its purchase of all the outstanding shares of About, Inc. (“The About Group”), an online content and reference library offering expert, quality content across 90,000 topics. The purchase price was $300 million in cash, plus an amount equal to the net working capital of $17.1 million at closing. The financial results of The About Group are included in IAC's consolidated financial statements, within the Search & Applications segment, beginning October 1, 2012.

The unaudited pro forma financial information in the table below summarizes the combined results of IAC and The About Group as if the acquisition of The About Group had occurred on January 1, 2012. The pro forma financial information includes adjustments required under the acquisition method of accounting and is presented for informational purposes only and is not necessarily indicative of what the results would have been had the acquisition occurred on January 1, 2012. For the three months endedMarch 31, 2012, pro forma adjustments reflected below include an increase of $5.0 million in amortization of intangible assets.

	Three Months Ended March 31, 2012
	(In thousands, except per share data)
Revenue	$	664,545
Net earnings attributable to IAC shareholders	$	35,691
Basic earnings per share attributable to IAC shareholders	$	0.43
Diluted earnings per share attributable to IAC shareholders	$	0.39

NOTE 4—MARKETABLE SECURITIES

At March 31, 2013, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt security	$	1,007	$	14	$	—	$	1,021
Total debt security	1,007		14		—		1,021
Equity security	—		4,793		—		4,793
Total marketable securities	$	1,007	$	4,807	$	—	$	5,814

9

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

At December 31, 2012, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt securities	$	13,608	$	19	$	—	$	13,627
Total debt securities	13,608		19		—		13,627
Equity security	—		6,977		—		6,977
Total marketable securities	$	13,608	$	6,996	$	—	$	20,604

The net unrealized gains in the tables above are included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet.

The contractual maturity of the debt security classified as available-for-sale at March 31, 2013 is as follows:

	Amortized Cost		Estimated Fair Value
	(In thousands)
Due after one year through two years	$	1,007	$	1,021
Total	$	1,007	$	1,021

At March 31, 2013 and December 31, 2012, there are no investments in current available-for-sale marketable securities that are in an unrealized loss position.

The following table presents the proceeds from maturities and sales of current and non-current available-for-sale marketable securities and the related gross realized gains and losses:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Proceeds from maturities and sales of available-for-sale marketable securities	$	12,500	$	26,401
Gross realized gains	—		1,783
Gross realized losses	—		—

Gross realized gains and losses from the maturities and sales of available-for-sale marketable securities are included in "Other income, net" in the accompanying consolidated statement of operations.

The specific-identification method is used to determine the cost of securities sold and the amount of unrealized gains and losses reclassified out of accumulated other comprehensive income into earnings.

NOTE 5—FAIR VALUE MEASUREMENTS

The Company categorizes its assets and liabilities measured at fair value into a fair value hierarchy that prioritizes the inputs used in pricing the asset or liability. The three levels of the fair value hierarchy are:

• Level 1: Observable inputs obtained from independent sources, such as quoted prices for identical assets and liabilities in active markets.

• Level 2: Other inputs that are observable directly or indirectly, such as quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active and inputs that are derived principally from or corroborated by observable market data. The fair value of the Company's Level 2 financial assets are primarily obtained from observable market prices for identical underlying

10

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

securities that may not be actively traded. Certain of these securities may have different market prices from multiple market data sources, in which case an average market price is used.

• Level 3: Unobservable inputs for which there is little or no market data and require the Company to develop its own assumptions, based on the best information available in the circumstances, about the assumptions market participants would use in pricing the assets or liabilities. See below for a discussion of fair value measurements made using Level 3 inputs.

The following tables present the Company's assets and liabilities that are measured at fair value on a recurring basis:

	March 31, 2013
	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Total Fair Value Measurements
	(In thousands)
Assets:
Cash equivalents:
Money market funds	$	373,770	$	—	$	—		$	373,770
Commercial paper	—		89,987		—			89,987
Time deposits	—		93,843		—			93,843
Marketable securities:
Corporate debt security	—		1,021		—			1,021
Equity security	4,793		—		—			4,793
Long-term investments:
Auction rate security	—		—		8,580			8,580
Marketable equity securities	27,152		—		—			27,152
Total	$	405,715	$	184,851	$	8,580		$	599,146
Liabilities:
Contingent consideration arrangement	$	—	$	—	$	(42,295	)	$	(42,295	)

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(Unaudited)

	December 31, 2012
	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
	(In thousands)
Assets:
Cash equivalents:
Money market funds	$	545,290	$	—	$	—	$	545,290
Time deposits	—		11,994		—		11,994
Marketable securities:
Corporate debt securities	—		13,627		—		13,627
Equity security	6,977		—		—		6,977
Long-term investments:
Auction rate security	—		—		8,100		8,100
Marketable equity securities	31,244		—		—		31,244
Total	$	583,511	$	25,621	$	8,100	$	617,232

The following table presents the changes in the Company's assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended March 31,
	2013					2012
	Auction Rate Security		Contingent Consideration Arrangement			Auction Rate Security		Contingent Consideration Arrangement
	(In thousands)
Balance at January 1	$	8,100	$	—		$	5,870	$	(10,000	)
Total net gains (losses) (unrealized):
Included in earnings	—		(1,458		)	—		—
Included in other comprehensive income	480		—			1,850		—
Fair value at date of acquisition	—		(40,837		)	—		—
Settlements	—		—			—		10,000
Balance at March 31	$	8,580	$	(42,295	)	$	7,720	$	—

There are no gains or losses included in earnings for the three months ended March 31, 2012 relating to the Company's assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs.

Auction rate security

The Company's auction rate security is valued by discounting the estimated future cash flow streams of the security over the life of the security. Credit spreads and other risk factors are also considered in establishing fair value. The cost basis of the auction rate security is $10.0 million, with gross unrealized losses of $1.4 million and $1.9 million at March 31, 2013 and December 31, 2012, respectively. The unrealized losses are included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet. At March 31, 2013, the auction rate security is rated A-/WR and matures in 2035. The Company does not consider the auction rate security to be other-than-temporarily impaired at March 31, 2013, due to its high credit rating and because the Company does not intend to sell this security, and it is not more likely than not that the Company will be required to sell this security, before the recovery of its amortized cost basis, which may be maturity.

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(Unaudited)

Contingent Consideration Arrangement

The contingent consideration arrangement arose from the acquisition of Twoo in the first quarter of 2013 (see Note 3 for additional information). The fair value of the contingent consideration arrangement was determined using a probability-weighted analysis, and reflects a discount rate of 15%, which captures the risks associated with the obligation. The probability-weighted analysis consists of the Company's multi-scenario forecasts of Twoo's earnings and the number of users of Twoo.com in accordance with the contingent consideration arrangement through December 31, 2015, and the Company's estimate of the probability of each scenario occurring. These multi-scenario forecasts and related probability assessments were based primarily on management's internal projections and strategic plans, with limited additional consideration given to growth trends of similarly situated businesses. The fair value of the contingent consideration arrangement is sensitive to changes in the discount rate and changes in the forecasts of earnings and website users. The Company will remeasure the fair value of the contingent consideration arrangement each reporting period, and changes will be recognized in “General and administrative expense” in the Company's consolidated statement of operations. During the first quarter of 2013, the fair value of the contingent consideration arrangement increased by $1.5 million due to interest accretion. The contingent consideration arrangement liability at March 31, 2013 includes a current portion of $1.3 million and non-current portion of $41.0 million, which are included in “Accrued expenses and other current liabilities” and “Other long-term liabilities,” respectively, in the accompanying consolidated balance sheet.

Assets measured at fair value on a nonrecurring basis

The Company's non-financial assets, such as goodwill, intangible assets and property and equipment, as well as equity and cost method investments, are adjusted to fair value only when an impairment charge is recognized. Such fair value measurements are based predominantly on Level 3 inputs.

NOTE 6—FINANCIAL INSTRUMENTS

The fair value of the financial instruments listed below have been determined by the Company using available market information and appropriate valuation methodologies.

	March 31, 2013						December 31, 2012
	Carrying Value			Fair Value			Carrying Value			Fair Value
	(In thousands)
Assets:
Cash and cash equivalents	$	673,757		$	673,757		$	749,977		$	749,977
Marketable securities	5,814			5,814			20,604			20,604
Long-term marketable equity securities	27,152			27,152			31,244			31,244
Liabilities:
Current maturities of long-term debt	$	—		$	—		$	(15,844	)	$	(15,875	)
Contingent consideration arrangement	(42,295		)	(42,295		)	—			—
Long-term debt, net of current maturities	(580,000		)	(572,784		)	(580,000		)	(581,994		)

The carrying value of cash equivalents approximates fair value due to their short-term maturity. The fair value of long-term debt, including current maturities, is estimated using quoted market prices or indices for similar liabilities and taking into consideration other factors such as credit quality and maturity. See Note 5 for information on the fair value of marketable securities and the fair value of the contingent consideration arrangement. The fair value of long-term debt, including current maturities, is determined only for disclosure purposes and is based on Level 3 inputs.

The cost basis of the Company's long-term marketable equity securities at March 31, 2013 and December 31, 2012 is $42.1 million, with gross unrealized losses of $14.9 million and $10.8 million, respectively, included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet. At March 31, 2013, the Company's long-term marketable equity securities are both in an unrealized loss position. The Company evaluated the near term prospects of the issuers in

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

relation to the severity and duration of the unrealized losses and based on that evaluation and the Company's ability and intent to hold these securities for a reasonable period of time sufficient for an expected recovery of fair value, the Company does not consider these securities to be other-than-temporarily impaired at March 31, 2013.

At March 31, 2013 and December 31, 2012, the carrying values of the Company's investments accounted for under the cost method totaled $114.3 million and $113.8 million, respectively, and are included in "Long-term investments" in the accompanying consolidated balance sheet. The Company evaluates each cost method investment for possible impairment on a quarterly basis and determines the fair value if indicators of impairment are deemed to be present; the Company recognizes an impairment loss if a decline in value is determined to be other-than-temporary. If the Company has not identified events or changes in circumstances that may have a significant adverse effect on the fair value of a cost method investment, then the fair value of such cost method investment is not estimated, as it is impracticable to do so.

NOTE 7—LONG-TERM DEBT

The balance of long-term debt is comprised of:

	March 31, 2013		December 31, 2012
	(In thousands)
7.00% Senior Notes due January 15, 2013 (the "2002 Senior Notes"); interest payable each January 15 and July 15 which commenced July 15, 2003	$	—	$	15,844
4.75% Senior Notes due December 15, 2022 (the "2012 Senior Notes"); interest payable each June 15 and December 15 commencing June 15, 2013	500,000		500,000
5% New York City Industrial Development Agency Liberty Bonds due September 1, 2035; interest payable each March 1 and September 1 which commenced March 1, 2006	80,000		80,000
Total long-term debt	$	580,000	595,844
Less current maturities	—		(15,844		)
Long-term debt, net of current maturities	$	580,000	$	580,000

On December 21, 2012, the Company issued $500.0 million aggregate principal amount of 4.75% Senior Notes due December 15, 2022 in a private offering. The 2012 Senior Notes were issued at par. Certain domestic subsidiaries have unconditionally guaranteed the 2012 Senior Notes. See Note 14 for guarantor and non-guarantor financial information.

On December 21, 2012, the Company entered into a $300.0 million revolving credit facility, which expires on December 21, 2017. The annual fee to maintain the revolving credit facility is 25 basis points. At March 31, 2013, there are no outstanding borrowings under the revolving credit facility. IAC's obligation under the revolving credit facility is unconditionally guaranteed by certain domestic subsidiaries and is also secured by the stock of certain of our domestic and foreign subsidiaries.

NOTE 8—ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table presents items reclassified out of accumulated other comprehensive loss into earnings:

	Foreign Currency Translation Adjustment			Unrealized Losses On Available-For-Sale Securities			Accumulated Other Comprehensive Loss
	(In thousands)
Balance as of December 31, 2012	$	(25,073	)	$	(7,096	)	$	(32,169	)
Other comprehensive loss before reclassifications	(6,951		)	(4,975		)	(11,926		)
Amounts reclassified from accumulated other comprehensive loss	—			(1		)	(1		)
Net current period other comprehensive loss	(6,951		)	(4,976		)	(11,927		)
Balance as of March 31, 2013	$	(32,024	)	$	(12,072	)	$	(44,096	)

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(Unaudited)

Unrealized gains, net of tax, reclassified out of accumulated other comprehensive loss related to the maturities and sales of available-for-sale securities are included in "Other income, net" in the accompanying consolidated statement of operations. Unrealized gains, net of tax, reclassified out of accumulated other comprehensive loss into other (expense) income, net for the three months endedMarch 31, 2012 was less than $0.1 million.

NOTE 9—EARNINGS PER SHARE

The following table sets forth the computation of basic and diluted earnings per share attributable to IAC shareholders.

	Three Months Ended March 31,
	2013						2012
	Basic			Diluted			Basic			Diluted
	(In thousands, except per share data)
Numerator:
Earnings from continuing operations	$	52,709		$	52,709		$	31,153		$	31,153
Net loss (earnings) attributable to noncontrolling interests	1,872			1,872			(359		)	(359		)
Earnings from continuing operations attributable to IAC shareholders	54,581			54,581			30,794			30,794
(Loss) earnings from discontinued operations attributable to IAC shareholders	(944		)	(944		)	3,684			3,684
Net earnings attributable to IAC shareholders	$	53,637		$	53,637		$	34,478		$	34,478
Denominator:
Weighted average basic shares outstanding	84,218			84,218			82,801			82,801
Dilutive securities including stock options, warrants and RSUs(a)(b)	—			3,162			—			8,917
Denominator for earnings per share—weighted average shares(a)(b)	84,218			87,380			82,801			91,718
Earnings (loss) per share attributable to IAC shareholders:
Earnings per share from continuing operations	$	0.65		$	0.62		$	0.37		$	0.34
Discontinued operations	(0.01		)	(0.01		)	0.05			0.04
Earnings per share	$	0.64		$	0.61		$	0.42		$	0.38

____________________________________________

(a) If the effect is dilutive, weighted average common shares outstanding include the incremental shares that would be issued upon the assumed exercise of stock options and warrants and vesting of restricted stock units ("RSUs") and performance-based stock units ("PSUs"). As of May 8, 2012, there are no warrants outstanding. For the three months ended March 31, 2013 and 2012, approximately 3.4 million and 2.7 million shares, respectively, related to potentially dilutive securities are excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

(b) At March 31, 2013, there were approximately 0.1 million PSUs included in the calculation of diluted earnings per share, as their performance conditions have been met. Prior to September 30, 2012, no PSUs were included in diluted earnings per share. For the three months ended March 31, 2013 and 2012, approximately 0.1 million and 3.1 million PSUs are excluded from the calculation of diluted earnings per share.

NOTE 10—SEGMENT INFORMATION

The overall concept that IAC employs in determining its operating segments is to present the financial information in a manner consistent with how the chief operating decision maker and executive management view the businesses, how the businesses are organized as to segment management, and the focus of the businesses with regards to the types of services or products offered or the target market. Operating segments are combined for reporting purposes if they meet certain aggregation criteria, which principally relate to the similarity of their economic characteristics or, in the case of Other, do not meet the quantitative thresholds that require separate presentation as separate operating segments.

15

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Revenue:
Search & Applications	$	397,192		$	343,198
Match	188,862			174,275
Local	74,945			77,119
Media	45,315			15,911
Other	36,045			30,206
Inter-segment elimination	(110		)	(109		)
Total	$	742,249		$	640,600

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Operating Income (Loss):
Search & Applications	$	86,983		$	73,490
Match	40,959			29,906
Local	(3,403		)	3,789
Media	(8,828		)	(6,669		)
Other	(3,222		)	(1,714		)
Corporate	(27,938		)	(36,037		)
Total	$	84,551		$	62,765

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Operating Income Before Amortization:
Search & Applications	$	93,649		$	73,500
Match	46,303			37,328
Local	(1,001		)	3,950
Media	(8,374		)	(6,401		)
Other	(2,499		)	(1,398		)
Corporate	(15,328		)	(15,707		)
Total	$	112,750		$	91,272

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Depreciation:
Search & Applications	$	3,865	$	3,291
Match	4,677		3,537
Local	2,346		2,801
Media	523		179
Other	302		244
Corporate	2,303		2,063
Total	$	14,016	$	12,115

Revenue by geography is based on where the customer is located. Geographic information about revenue and long-lived assets is presented below:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Revenue:
United States	$	514,614	$	445,660
All other countries	227,635		194,940
Total	$	742,249	$	640,600

	March 31, 2013		December 31, 2012
	(In thousands)
Long-lived assets (excluding goodwill and intangible assets):
United States	$	271,502	$	251,379
All other countries	21,780		19,133
Total	$	293,282	$	270,512

The Company's primary metric is Operating Income Before Amortization, which is defined as operating income excluding, if applicable: (1) non-cash compensation expense, (2) amortization and impairment of intangibles, (3) goodwill impairment, (4) acquisition-related contingent consideration fair value adjustments and (5) one-time items. The Company believes this measure is useful to investors because it represents the consolidated operating results from IAC's segments, taking into account depreciation, which it believes is an ongoing cost of doing business, but excluding the effects of any other non-cash expenses. Operating Income Before Amortization has certain limitations in that it does not take into account the impact to IAC's statement of operations of certain expenses, including non-cash compensation and acquisition related accounting. IAC endeavors to compensate for the limitations of the non-U.S. GAAP measure presented by providing the comparable U.S. GAAP measure with equal or greater prominence, financial statements prepared in accordance with U.S. GAAP, and descriptions of the reconciling items, including quantifying such items, to derive the non-U.S. GAAP measure.

The following tables reconcile Operating Income Before Amortization to operating income (loss) for the Company's reportable segments:

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(Unaudited)

	Three Months Ended March 31, 2013
	Operating Income Before Amortization			Non-Cash Compensation Expense			Amortization of Intangibles			Acquisition-related Contingent Consideration Fair Value Adjustment			Operating Income (Loss)
	(In thousands)
Search & Applications	$	93,649		$	(3	)	$	(6,663	)	$	—		$	86,983
Match	46,303			157			(4,043		)	(1,458		)	40,959
Local	(1,001		)	—			(2,402		)	—			(3,403		)
Media	(8,374		)	(205		)	(249		)	—			(8,828		)
Other	(2,499		)	(2		)	(721		)	—			(3,222		)
Corporate	(15,328		)	(12,610		)	—			—			(27,938		)
Total	$	112,750		$	(12,663	)	$	(14,078	)	$	(1,458	)	$	84,551

	Three Months Ended March 31, 2012
	Operating Income Before Amortization			Non-Cash Compensation Expense			Amortization of Intangibles			Operating Income (Loss)
	(In thousands)
Search & Applications	$	73,500		$	(8	)	$	(2	)	$	73,490
Match	37,328			(907		)	(6,515		)	29,906
Local	3,950			—			(161		)	3,789
Media	(6,401		)	(268		)	—			(6,669		)
Other	(1,398		)	47			(363		)	(1,714		)
Corporate	(15,707		)	(20,330		)	—			(36,037		)
Total	$	91,272		$	(21,466	)	$	(7,041	)	$	62,765

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

NOTE 11—CONSOLIDATED FINANCIAL STATEMENT DETAILS

	March 31, 2013			December 31, 2012
	(In thousands)
Property and equipment, net:
Buildings and leasehold improvements	$	245,639		$	238,652
Computer equipment and capitalized software	207,543			197,402
Furniture and other equipment	44,253			42,949
Projects in progress	36,189			19,303
Land	5,117			5,117
	538,741			503,423
Accumulated depreciation and amortization	(245,459		)	(232,911		)
Property and equipment, net	$	293,282		$	270,512

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Other income, net:
Interest income	$	474		$	886
Foreign currency exchange gains	1,364			348
Gain on sales of investments	147			1,764
Other	(327		)	(242		)
Other income, net	$	1,658		$	2,756

NOTE 12—SUPPLEMENTAL CASH FLOW INFORMATION

The consideration for the acquisition of Twoo on January 4, 2013 includes a contingent consideration arrangement, which is described in Note 3 and Note 5.

NOTE 13—CONTINGENCIES

In the ordinary course of business, the Company is a party to various lawsuits. The Company establishes reserves for specific legal matters when it determines that the likelihood of an unfavorable outcome is probable and the loss is reasonably estimable. Management has also identified certain other legal matters where we believe an unfavorable outcome is not probable and, therefore, no reserve is established. Although management currently believes that resolving claims against us, including claims where an unfavorable outcome is reasonably possible, will not have a material impact on the liquidity, results of operations, or financial condition of the Company, these matters are subject to inherent uncertainties and management's view of these matters may change in the future. The Company also evaluates other contingent matters, including income and non-income tax contingencies, to assess the likelihood of an unfavorable outcome and estimated extent of potential loss. It is possible that an unfavorable outcome of one or more of these lawsuits or other contingencies could have a material impact on the liquidity, results of operations, or financial condition of the Company. See Note 2 for additional information related to income tax contingencies.

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(Unaudited)

NOTE 14—GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

The 2012 Senior Notes are unconditionally guaranteed, jointly and severally, by certain domestic subsidiaries which are 100% owned by the Company. The following tables present condensed consolidating financial information at March 31, 2013 and December 31, 2012 and for the three months ended March 31, 2013 and 2012 for: IAC, on a stand-alone basis; the combined guarantor subsidiaries of IAC; the combined non-guarantor subsidiaries of IAC; and IAC on a consolidated basis.

Balance sheet at March 31, 2013:

	IAC		Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Cash and cash equivalents	$	430,356	$	—	$	243,401		$	—		$	673,757
Marketable securities	5,814		—		—			—			5,814
Accounts receivable, net	35		148,666		86,480			—			235,181
Other current assets	26,558		60,849		55,106			(1,583		)	140,930
Intercompany receivables	—		536,367		1,790,850			(2,327,217		)	—
Property and equipment, net	4,053		178,444		110,785			—			293,282
Goodwill	—		1,189,864		484,356			—			1,674,220
Intangible assets, net	—		331,408		147,376			—			478,784
Investment in subsidiaries	4,463,712		674,547		—			(5,138,259		)	—
Other non-current assets	322,411		16,895		111,812			(172,840		)	278,278
Total assets	$	5,252,939	$	3,137,040	$	3,030,166		$	(7,639,899	)	$	3,780,246
Accounts payable, trade	$	3,983	$	42,672	$	31,513		$	—		$	78,168
Other current liabilities	33,262		245,294		236,232			(1,517		)	513,271
Long-term debt, net of current maturities	500,000		80,000		—			—			580,000
Income taxes payable	439,991		25,554		12,407			3,956			481,908
Intercompany liabilities	2,638,794		—		(311,577		)	(2,327,217		)	—
Other long-term liabilities	390		90,425		467,202			(176,862		)	381,155
Redeemable noncontrolling interests	—		1,379		57,875			—			59,254
IAC shareholders' equity	1,636,519		2,651,716		2,486,543			(5,138,259		)	1,636,519
Noncontrolling interests	—		—		49,971			—			49,971
Total liabilities and shareholders' equity	$	5,252,939	$	3,137,040	$	3,030,166		$	(7,639,899	)	$	3,780,246

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Balance sheet at December 31, 2012:

	IAC		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Total Eliminations			IAC Consolidated
	(In thousands)
Cash and cash equivalents	$	501,075	$	—	$	248,902	$	—		$	749,977
Marketable securities	20,604		—		—		—			20,604
Accounts receivable, net	43		142,627		87,160		—			229,830
Other current assets	58,441		53,611		45,324		(1,037		)	156,339
Intercompany receivables	—		501,933		10,638,870		(11,140,803		)	—
Property and equipment, net	4,116		179,582		86,814		—			270,512
Goodwill	—		1,190,199		425,955		—			1,616,154
Intangible assets, net	—		340,631		142,273		—			482,904
Investment in subsidiaries	12,913,747		611,869		—		(13,525,616		)	—
Other non-current assets	320,586		16,509		109,912		(167,499		)	279,508
Total assets	$	13,818,612	$	3,036,961	$	11,785,210	$	(24,834,955	)	$	3,805,828
Accounts payable, trade	$	4,366	$	64,888	$	29,060	$	—		$	98,314
Other current liabilities	74,230		215,884		238,113		(1,652		)	526,575
Long-term debt, net of current maturities	500,000		80,000		—		—			580,000
Income taxes payable	440,110		25,428		14,407		—			479,945
Intercompany liabilities	11,140,803		—		—		(11,140,803		)	—
Other long-term liabilities	3,375		89,595		429,147		(166,884		)	355,233
Redeemable noncontrolling interests	—		1,388		56,738		—			58,126
IAC shareholders' equity	1,655,728		2,559,778		10,965,838		(13,525,616		)	1,655,728
Noncontrolling interests	—		—		51,907		—			51,907
Total liabilities and shareholders' equity	$	13,818,612	$	3,036,961	$	11,785,210	$	(24,834,955	)	$	3,805,828

21

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Statement of operations for the three months ended March 31, 2013:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Revenue	$	—		$	515,784		$	227,502		$	(1,037	)	$	742,249
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	677			152,905			102,279			(779		)	255,082
Selling and marketing expense	431			170,667			72,073			(257		)	242,914
General and administrative expense	22,245			41,147			34,635			(1		)	98,026
Product development expense	899			21,279			11,404			—			33,582
Depreciation	367			8,624			5,025			—			14,016
Amortization of intangibles	—			8,910			5,168			—			14,078
Total costs and expenses	24,619			403,532			230,584			(1,037		)	657,698
Operating (loss) income	(24,619		)	112,252			(3,082		)	—			84,551
Equity in earnings (losses) of unconsolidated affiliates	113,783			2,771			(91		)	(116,554		)	(91		)
Interest expense	(6,557		)	(1,065		)	(41		)	—			(7,663		)
Other (expense) income, net	(55,448		)	(18,730		)	75,836			—			1,658
Earnings from continuing operations before income taxes	27,159			95,228			72,622			(116,554		)	78,455
Income tax benefit (provision)	27,422			(33,332		)	(19,836		)	—			(25,746		)
Earnings from continuing operations	54,581			61,896			52,786			(116,554		)	52,709
(Loss) earnings from discontinued operations, net of tax	(944		)	—			7			(7		)	(944		)
Net earnings	53,637			61,896			52,793			(116,561		)	51,765
Net loss attributable to noncontrolling interests	—			8			1,864			—			1,872
Net earnings attributable to IAC shareholders	$	53,637		$	61,904		$	54,657		$	(116,561	)	$	53,637
Comprehensive income attributable to IAC shareholders	$	41,710		$	61,829		$	49,313		$	(111,142	)	$	41,710

22

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Statement of operations for the three months ended March 31, 2012:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Revenue	$	—		$	458,812		$	182,252		$	(464	)	$	640,600
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	1,394			144,207			78,080			(110		)	223,571
Selling and marketing expense	903			157,575			61,725			(365		)	219,838
General and administrative expense	29,339			37,356			25,082			11			91,788
Product development expense	1,376			16,942			5,164			—			23,482
Depreciation	147			8,586			3,382			—			12,115
Amortization of intangibles	—			630			6,411			—			7,041
Total costs and expenses	33,159			365,296			179,844			(464		)	577,835
Operating (loss) income	(33,159		)	93,516			2,408			—			62,765
Equity in earnings (losses) of unconsolidated affiliates	96,239			4,161			(4,053		)	(102,248		)	(5,901		)
Interest expense	(278		)	(1,065		)	(4		)	—			(1,347		)
Other (expense) income, net	(104,487		)	1,281			105,962			—			2,756
(Loss) earnings from continuing operations before income taxes	(41,685		)	97,893			104,313			(102,248		)	58,273
Income tax benefit (provision)	72,479			(36,827		)	(62,772		)	—			(27,120		)
Earnings from continuing operations	30,794			61,066			41,541			(102,248		)	31,153
Earnings (loss) from discontinued operations, net of tax	3,684			—			(460		)	460			3,684
Net earnings	34,478			61,066			41,081			(101,788		)	34,837
Net loss (earnings) attributable to noncontrolling interests	—			16			(375		)	—			(359		)
Net earnings attributable to IAC shareholders	$	34,478		$	61,082		$	40,706		$	(101,788	)	$	34,478
Comprehensive income attributable to IAC shareholders	$	65,374		$	61,106		$	46,861		$	(107,967	)	$	65,374

23

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Statement of cash flows for the three months ended March 31, 2013:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations		IAC Consolidated
	(In thousands)
Net cash (used in) provided by operating activities attributable to continuing operations	$	(1,106	)	$	105,567		$	(12,099	)	$	—	$	92,362
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	—			(6,060		)	(23,134		)	—		(29,194		)
Capital expenditures	(78		)	(5,059		)	(28,501		)	—		(33,638		)
Proceeds from maturities and sales of marketable debt securities	12,500			—			—			—		12,500
Proceeds from sales of long-term investments	—			—			214			—		214
Purchases of long-term investments	—			—			(975		)	—		(975		)
Other, net	(55		)	—			(996		)	—		(1,051		)
Net cash provided by (used in) investing activities attributable to continuing operations	12,367			(11,119		)	(53,392		)	—		(52,144		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605		)	—			—			—		(88,605		)
Issuance of common stock, net of withholding taxes	552			—			—			—		552
Dividends	(21,429		)	—			—			—		(21,429		)
Excess tax benefits from stock-based awards	12,530			—			—			—		12,530
Principal payments on long-term debt	(15,844		)	—			—			—		(15,844		)
Intercompany	29,317			(94,447		)	65,130			—		—
Other, net	(927		)	(29		)	(145		)	—		(1,101		)
Net cash (used in) provided by financing activities attributable to continuing operations	(84,406		)	(94,476		)	64,985			—		(113,897		)
Total cash used in continuing operations	(73,145		)	(28		)	(506		)	—		(73,679		)
Total cash provided by (used in) discontinued operations	2,426			—			(1		)	—		2,425
Effect of exchange rate changes on cash and cash equivalents	—			28			(4,994		)	—		(4,966		)
Net decrease in cash and cash equivalents	(70,719		)	—			(5,501		)	—		(76,220		)
Cash and cash equivalents at beginning of period	501,075			—			248,902			—		749,977
Cash and cash equivalents at end of period	$	430,356		$	—		$	243,401		$	—	$	673,757

24

IAC/INTERACTIVECORP

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

(Unaudited)

Statement of cash flows for the three months ended March 31, 2012:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations		IAC Consolidated
	(In thousands)
Net cash (used in) provided by operating activities attributable to continuing operations	$	(19,544	)	$	82,531		$	(3,937	)	$	—	$	59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	—			(10,267		)	—			—		(10,267		)
Capital expenditures	(31		)	(6,182		)	(3,420		)	—		(9,633		)
Proceeds from maturities and sales of marketable debt securities	18,343			—			—			—		18,343
Purchases of marketable debt securities	(10,012		)	—			—			—		(10,012		)
Proceeds from sales of long-term investments	8,058			—			—			—		8,058
Purchases of long-term investments	—			(20		)	(450		)	—		(470		)
Other, net	(350		)	(299		)	(7,604		)	—		(8,253		)
Net cash provided by (used in) investing activities attributable to continuing operations	16,008			(16,768		)	(11,474		)	—		(12,234		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(222,863		)	—			—			—		(222,863		)
Issuance of common stock, net of withholding taxes	99,212			—			—			—		99,212
Dividends	(10,573		)	—			—			—		(10,573		)
Excess tax benefits from stock-based awards	6,477			—			—			—		6,477
Intercompany	33,687			(65,755		)	32,068			—		—
Other, net	—			—			22			—		22
Net cash (used in) provided by financing activities attributable to continuing operations	(94,060		)	(65,755		)	32,090			—		(127,725		)
Total cash (used in) provided by continuing operations	(97,596		)	8			16,679			—		(80,909		)
Total cash used in discontinued operations	(333		)	—			(35		)	—		(368		)
Effect of exchange rate changes on cash and cash equivalents	—			(8		)	1,228			—		1,220
Net (decrease) increase in cash and cash equivalents	(97,929		)	—			17,872			—		(80,057		)
Cash and cash equivalents at beginning of period	545,222			—			158,931			—		704,153
Cash and cash equivalents at end of period	$	447,293		$	—		$	176,803		$	—	$	624,096

25

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

GENERAL

Management Overview

IAC is a leading media and internet company comprised of more than 150 brands and products, including Ask.com, About.com, Match.com, HomeAdvisor.com and Vimeo.com. Focused in the areas of search, applications, online dating, local and media, IAC's family of websites is one of the largest in the world, with more than a billion monthly visits across more than 30 countries.

For a more detailed description of the Company's operating businesses, see the Company's annual report on Form 10-K for the year ended December 31, 2012.

Results of Operations for the three months ended March 31, 2013 compared to the three months ended March 31, 2012

Revenue

	Three Months Ended March 31,
	2013			$ Change			% Change	2012
	(Dollars in thousands)
Search & Applications	$	397,192		$	53,994		16%	$	343,198
Match	188,862			14,587			8%	174,275
Local	74,945			(2,174		)	(3)%	77,119
Media	45,315			29,404			185%	15,911
Other	36,045			5,839			19%	30,206
Inter-segment elimination	(110		)	(1		)	(1)%	(109		)
Total	$	742,249		$	101,649		16%	$	640,600

Search & Applications revenue increased 16% to $397.2 million, reflecting strong growth from both Websites (which includes Ask.com, About.com and Dictionary.com) and Applications (which includes our direct to consumer downloadable applications business (B2C) and our partnership operations (B2B), as well as our Ask.com and Dictionary.com downloadable applications). Websites revenue grew 19% to $189.6 million, reflecting the contribution from The About Group, acquired September 24, 2012, which had revenue of $31.3 million. Applications revenue grew 13% to $207.5 million, driven by increased contributions from existing B2B partners and new B2C products.

Match revenue increased 8% to $188.9 million driven by increases in subscribers. Core revenue (which consists of Match.com in the U.S., Chemistry and People Media), Meetic revenue and Developing revenue (which includes OkCupid, DateHookup, Twoo and Match's international operations, excluding Meetic) increased 5% to $113.8 million; 13% to $55.0 million; and 20% to $20.1 million, respectively. Developing revenue was further impacted by the contribution of Twoo, acquired January 4, 2013. Meetic revenue in 2012 of $48.6 million was negatively impacted by the write-off of $5.2 million of deferred revenue in connection with its acquisition.

Local revenue decreased 3% to $74.9 million, primarily reflecting a decline from HomeAdvisor's operations, partially offset by an increase from CityGrid Media due to the contribution of Felix, a pay-per-call advertising service acquired August 20, 2012. HomeAdvisor domestic revenue was negatively impacted by a 20% decrease in accepted service requests due primarily to the domain name change.

Media revenue increased 185% to $45.3 million primarily due to the contribution from News_Beast (formerly The Newsweek/DailyBeast Company), consolidated beginning June 1, 2012 following the Company's acquisition of a controlling interest, as well as strong growth from Electus and Vimeo.

Other revenue increased 19% to $36.0 million primarily due to the contribution from Tutor.com, an online tutoring solution acquired December 14, 2012.

26

A substantial portion of the Company's revenue is derived from online advertising. Most of the Company's online advertising revenue is attributable to our services agreement with Google Inc. ("Google"), which expires on March 31, 2016. For the three months ended Match 31, 2013 and 2012, revenue earned from Google was $376.1 million and $328.9 million, respectively. This revenue was earned by the businesses comprising the Search & Applications segment.

Cost of revenue

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Cost of revenue	$255,082	$31,511	14%	$223,571
As a percentage of revenue	34%			35%

Cost of revenue consists primarily of traffic acquisition costs. Traffic acquisition costs consist of payments made to partners who distribute our B2B customized browser-based applications, integrate our paid listings into their websites or direct traffic to our websites. These payments include amounts based on revenue share and other arrangements. Cost of revenue also includes Shoebuy's cost of products sold and shipping and handling costs, production costs related to digital media produced by Electus and other businesses within our Media segment, content acquisition costs, expenses associated with the operation of the Company's data centers, including compensation and other employee-related costs (including stock-based compensation) for personnel engaged in data center functions, rent, energy and bandwidth costs.

Cost of revenue in 2013 increased from 2012 primarily due to increases of $19.4 million from Media, $8.2 million from Search & Applications and $4.5 million from Other. The increase in cost of revenue from Media was primarily due to increased production costs at Electus related to the increase in its revenue and News_Beast, consolidated beginning June 1, 2012. Cost of revenue from Search & Applications increased primarily due to an increase of $6.1 million in traffic acquisition costs driven by increased revenue from our B2B operations. As a percentage of revenue, traffic acquisition costs at Search & Applications decreased compared to the prior year due to an increase in the proportion of revenue from Websites which resulted from the acquisition of The About Group. The increase in cost of revenue from Other is due to Tutor.com, acquired December 14, 2012, and an increase in the cost of products sold at Shoebuy resulting from increased sales.

Selling and marketing expense

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Selling and marketing expense	$242,914	$23,076	10%	$219,838
As a percentage of revenue	33%			34%

Selling and marketing expense consists primarily of advertising and promotional expenditures and compensation and other employee-related costs (including stock-based compensation) for personnel engaged in sales, sales support and customer service functions. Advertising and promotional expenditures include online marketing, including fees paid to search engines and third parties that distribute our B2C downloadable applications, and offline marketing, which is primarily television advertising.

Selling and marketing expense in 2013 increased from 2012 primarily due to increases of $14.0 million from Search & Applications, $3.7 million from Media and $3.1 million from Match. The increase from Search & Applications is primarily due to increases of $9.0 million and $4.4 million in online marketing and compensation and other employee-related costs, respectively. The increase in online marketing from Search & Applications is primarily related to Ask.com and About.com. Selling and marketing expense at Media increased primarily due to an increase of $2.0 million in online marketing spend at Vimeo. The increase from Match is due to an increase of $3.1 million in offline marketing spend.

27

General and administrative expense

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
General and administrative expense	$98,026	$6,238	7%	$91,788
As a percentage of revenue	13%			14%

General and administrative expense consists primarily of compensation and other employee-related costs (including stock-based compensation) for personnel engaged in executive management, finance, legal, tax and human resources, facilities costs and fees for professional services.

General and administrative expense in 2013 increased from 2012 primarily due to increases of $5.6 million from Media, $4.3 million from Search & Applications and $2.3 million from Other, partially offset by a decrease of $6.7 million from corporate. The increase in general and administrative expense from Media resulted primarily from the inclusion of News_Beast, consolidated beginning June 1, 2012. General and administrative expense from Search & Applications increased primarily due to the inclusion of The About Group, acquired on September 24, 2012, and an increase in compensation and other employee-related costs. The increase in general and administrative expense from Other is primarily due to the inclusion of Tutor.com, acquired on December 14, 2012. General and administrative expense from corporate decreased primarily due to a decrease of $6.1 million in non-cash compensation expense as certain awards fully vested during the fourth quarter of 2012.

Product development expense

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Product development expense	$33,582	$10,100	43%	$23,482
As a percentage of revenue	5%			4%

Product development expense consists primarily of compensation and other employee-related costs (including stock-based compensation) that are not capitalized for personnel engaged in the design, development, testing and enhancement of product offerings and related technology.

Product development expense in 2013 increased from 2012 primarily due to increases of $6.8 million from Search & Applications and $2.3 million from Media. The increase in product development expense from Search & Applications is primarily due to a decrease in costs being capitalized in the current year period as well as an increase in compensation and other employee-related costs associated with the inclusion of The About Group, acquired on September 24, 2012. The increase from Media is primarily due to News_Beast, consolidated beginning June 1, 2012.

Depreciation

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Depreciation	$14,016	$1,901	16%	$12,115
As a percentage of revenue	2%			2%

Depreciation in 2013 increased from 2012 resulting primarily from the incremental depreciation associated with capital expenditures made throughout 2012 and various acquisitions, partially offset by certain fixed assets becoming fully depreciated in 2012.

28

Operating Income Before Amortization

	Three Months Ended March 31,
	2013			$ Change			% Change	2012
	(Dollars in thousands)
Search & Applications	$	93,649		$	20,149		27%	$	73,500
Match	46,303			8,975			24%	37,328
Local	(1,001		)	(4,951		)	NM	3,950
Media	(8,374		)	(1,973		)	(31)%	(6,401		)
Other	(2,499		)	(1,101		)	(79)%	(1,398		)
Corporate	(15,328		)	379			2%	(15,707		)
Total	$	112,750		$	21,478		24%	$	91,272

Search & Applications Operating Income Before Amortization increased 27% to $93.6 million, benefiting from the higher revenue noted above, partially offset by increases of $14.0 million in selling and marketing expense, $6.8 million in product development expense, $6.1 million in traffic acquisition costs and $4.3 million in general and administrative expense. The increase in selling and marketing expense is driven primarily by increased online marketing expenditures related to Ask.com and About.com and an increase in compensation and other employee-related costs. The increase in both product development expense and general and administrative expense is primarily due to an increase in compensation and other employee-related costs related to the inclusion of The About Group, acquired on September 24, 2012. Product development expense was further impacted by a decrease in costs being capitalized in the current year period. The increase in traffic acquisition costs is primarily due to increased revenue from our B2B operations.

Match Operating Income Before Amortization increased 24% to $46.3 million, primarily due to the higher revenue noted above and operating expense leverage, partially offset by an increase of $3.1 million in selling and marketing expense related to an increase in offline marketing spend.

Local Operating Income Before Amortization decreased by $5.0 million to a loss of $1.0 million reflecting the decrease in revenue noted above.

Operating income (loss)

	Three Months Ended March 31,
	2013			$ Change			% Change	2012
	(Dollars in thousands)
Search & Applications	$	86,983		$	13,493		18%	$	73,490
Match	40,959			11,053			37%	29,906
Local	(3,403		)	(7,192		)	NM	3,789
Media	(8,828		)	(2,159		)	(32)%	(6,669		)
Other	(3,222		)	(1,508		)	(88)%	(1,714		)
Corporate	(27,938		)	8,099			22%	(36,037		)
Total	$	84,551		$	21,786		35%	$	62,765

Refer to Note 10 to the consolidated financial statements for reconciliations of Operating Income Before Amortization to operating income (loss) by reportable segment.

Operating income in 2013 increased from 2012 primarily due to the increase of $21.5 million in Operating Income Before Amortization described above and a decrease of $8.8 million in non-cash compensation expense, partially offset by an increase of $7.0 million in amortization of intangibles. The decrease in non-cash compensation expense is primarily a result of certain awards fully vesting during the fourth quarter of 2012. The increase in amortization of intangibles is primarily related to The About Group.

29

At March 31, 2013, there was $82.3 million of unrecognized compensation cost, net of estimated forfeitures, related to all equity-based awards, which is expected to be recognized over a weighted average period of approximately 2.3 years.

Equity in losses of unconsolidated affiliates

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Equity in losses of unconsolidated affiliates	$(91)	$5,810	98%	$(5,901)

Equity in losses of unconsolidated affiliates in 2013 decreased from 2012 primarily due to the inclusion in 2012 of losses related to News_Beast prior to our acquisition of a controlling interest in May 2012.

Interest expense

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Interest expense	$(7,663)	$(6,316)	469%	$(1,347)

Interest expense in 2013 increased from 2012 primarily due to the issuance of $500.0 million aggregate principal amount of 4.75% Senior Notes due December 15, 2022.

Other income, net

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Other income, net	$1,658	$(1,098)	(40)%	$2,756

Other income, net in 2013 decreased from 2012 primarily due to a decrease in gains related to the sale of certain securities.

Income tax provision

	Three Months Ended March 31,
	2013	$ Change	% Change	2012
	(Dollars in thousands)
Income tax provision	$(25,746)	NM	NM	$(27,120)

In 2013, the Company recorded an income tax provision for continuing operations of $25.7 million, which represents an effective income tax rate of 33%. The 2013 effective rate is lower than the statutory rate of 35% due primarily to foreign income taxed at lower rates and research credits, partially offset by state taxes. In 2012, the Company recorded an income tax provision for continuing operations of $27.1 million, which represents an effective income tax rate of 47%. The 2012 effective rate is higher than the statutory rate of 35% due principally to an increase in reserves for and interest on reserves for income tax contingencies and state taxes, partially offset by foreign income taxed at lower rates.

At March 31, 2013 and December 31, 2012, the Company has unrecognized tax benefits of $376.9 million and $379.3 million, respectively. Unrecognized tax benefits at March 31, 2013 decreased $2.4 million from December 31, 2012 due principally to a net decrease in deductible timing differences. The Company recognizes interest and, if applicable, penalties related to unrecognized tax benefits in income tax provision. Included in income tax provision for continuing operations and discontinued operations for the three months ended March 31, 2013 is a $1.3 million and a $1.0 million expense, respectively, net of related deferred taxes, for interest on unrecognized tax benefits. At March 31, 2013 and December 31, 2012, the

30

Company has accrued $120.9 million and $117.5 million, respectively, for the payment of interest. At March 31, 2013 and December 31, 2012, the Company has accrued $5.0 million for penalties.

The Company is routinely under audit by federal, state, local and foreign authorities in the area of income tax. These audits include questioning the timing and the amount of income and deductions and the allocation of income and deductions among various tax jurisdictions. The Internal Revenue Service ("IRS") has substantially completed its audit of the Company's tax returns for the years ended December 31, 2001 through 2009. The settlement of these tax years has not yet been submitted to the Joint Committee of Taxation for approval. The statute of limitations for the years 2001 through 2009 has been extended to June 30, 2014. Various state and local jurisdictions are currently under examination, the most significant of which are California, New York and New York City for various tax years beginning with 2006. Income taxes payable include reserves considered sufficient to pay assessments that may result from examination of prior year tax returns. Changes to reserves from period to period and differences between amounts paid, if any, upon resolution of issues raised in audits and amounts previously provided may be material. Differences between the reserves for income tax contingencies and the amounts owed by the Company are recorded in the period they become known. The Company believes that it is reasonably possible that its unrecognized tax benefits could decrease by $132.8 million within twelve months of the current reporting date, of which approximately $14.4 million could decrease income tax provision, primarily due to settlements, expirations of statutes of limitations, and the reversal of deductible temporary differences that will primarily result in a corresponding decrease in net deferred tax assets. An estimate of other changes in unrecognized tax benefits, while potentially significant, cannot be made.

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FINANCIAL POSITION, LIQUIDITY AND CAPITAL RESOURCES

At March 31, 2013, the Company had $673.8 million of cash and cash equivalents, $5.8 million of marketable securities, and $580.0 million of long-term debt. Domestically, cash equivalents primarily consist of AAA rated money market funds. Internationally, cash equivalents primarily consist of time deposits and AAA rated money market funds. Marketable securities consist of an equity security and a short-to-intermediate-term debt security issued by an investment grade corporate issuer. The Company only invests in marketable securities with active secondary or resale markets to ensure portfolio liquidity and the ability to readily convert investments into cash to fund current operations or satisfy other cash requirements as needed. From time to time, the Company may invest in marketable equity securities as part of its investment strategy. Long-term debt is comprised of $500.0 million in 2012 Senior Notes due December 15, 2022 and $80.0 million in Liberty Bonds due September 1, 2035.

At March 31, 2013, $232.4 million of the $673.8 million of cash and cash equivalents and none of the $5.8 million of marketable securities were held by the Company's foreign subsidiaries. No U.S. federal or state income taxes have been provided on the indefinitely reinvested earnings of any of the Company's foreign subsidiaries that hold this cash and cash equivalents. If needed for our operations in the U.S., most of the cash and cash equivalents held by the Company's foreign subsidiaries could be repatriated to the U.S. but, under current law, would be subject to U.S. federal and state income taxes. However, the Company's intent is to indefinitely reinvest these funds outside of the U.S. The Company currently does not anticipate a need to repatriate them to fund our U.S. operations.

In summary, the Company's cash flows attributable to continuing operations are as follows:

	Three Months Ended March 31,
	2013	2012
	(In thousands)
Net cash provided by operating activities	$92,362	$59,050
Net cash used in investing activities	(52,144)	(12,234)
Net cash used in financing activities	(113,897)	(127,725)

Net cash provided by operating activities attributable to continuing operations consists of earnings or loss from continuing operations adjusted for non-cash items, including non-cash compensation expense, depreciation, amortization of intangibles, deferred income taxes, asset impairment charges, equity in income or losses of unconsolidated affiliates, acquisition-related contingent consideration fair value adjustments, and the effect of changes in working capital activities. Net cash provided by operating activities attributable to continuing operations in 2013 was $92.4 million and consists of earnings from continuing operations of $52.7 million, adjustments for non-cash items of $34.7 million and cash provided by working capital activities of $4.9 million. Adjustments for non-cash items primarily consists of $14.1 million of amortization of intangibles, $14.0 million of depreciation, $12.7 million of non-cash compensation expense, partially offset by $11.0 million of deferred income taxes. The deferred income tax benefit primarily relates to the difference in timing between the accrual and payment of various compensation arrangements. The increase in cash from changes in working capital activities primarily consists of an increase of $22.7 million in income taxes payable and an increase of $7.8 million in deferred revenue, partially offset by a decrease of $12.9 million in accounts payable and other current liabilities, an increase of $8.0 million in other current assets and an increase of $4.6 million in accounts receivable. The increase in income taxes payable is due to current year income tax accruals in excess of current year income tax payments. The increase in deferred revenue is primarily due to growth in subscription revenue at Match, as well as growth at Electus and Vimeo, partially offset by a $9.9 million decrease in deferred revenue at News_Beast due to its transition to a digital only publication. The decrease in accounts payable and other current liabilities is due to a decrease in accrued advertising expense primarily at Search & Applications, News_Beast's transition to a digital only publication, and a decrease in payables to suppliers at Shoebuy, partially offset by an increase in accrued revenue share expense primarily at Search & Applications and an increase in accrued employee compensation and benefits due to the timing of bonus payments. The increase in other current assets is primarily due to an increase in short-term production costs at Electus that are capitalized as the television program, video or film is being produced. The increase in accounts receivable is primarily due to the growth in revenue at Search & Applications earned from our services agreement with Google; the related receivable from Google was $137.0 million and $125.3 million at March 31, 2013 and December 31, 2012, respectively. While Match experienced growth, its accounts receivable is principally credit card receivables and, is not significant in relation to its revenue.

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Electus' accounts receivable increased due to higher revenue. These increases were partially offset by a $13.5 million decrease in accounts receivable at News_Beast due to its transition to a digital only publication.

Net cash used in investing activities attributable to continuing operations in 2013 of $52.1 million includes capital expenditures of $33.6 million, which includes $23.1 million related to the purchase of a 50% ownership interest in an aircraft, and cash consideration used in acquisitions and investments of $30.2 million primarily related to the acquisition of Twoo, partially offset by net maturities and sales of marketable debt securities and sales of long-term investments of $12.7 million.

Net cash used in financing activities attributable to continuing operations in 2013 of $113.9 million includes $88.6 million for the repurchase of 1.4 million shares of common stock at an average price of $42.96 per share, $21.4 million related to the payment of cash dividends to IAC shareholders and $15.8 million for the payment of our 2002 Senior Notes, which were due January 15, 2013, partially offset by excess tax benefits from stock-based awards of $12.5 million.

Net cash provided by operating activities attributable to continuing operations in 2012 was $59.1 million and consists of earnings from continuing operations of $31.2 million, adjustments for non-cash items of $51.9 million and cash used in working capital activities of $24.0 million. Adjustments for non-cash items primarily consists of $21.5 million of non-cash compensation expense, $12.1 million of depreciation, $7.0 million of amortization of intangibles and $5.9 million of equity in losses of unconsolidated affiliates. The decrease in cash from changes in working capital activities primarily consists of a decrease of $35.0 million in accounts payable and other current liabilities and an increase of $10.5 million in accounts receivable, partially offset by an increase of $19.6 million in deferred revenue and an increase of $10.8 million in income taxes payable. The decrease in accounts payable and other current liabilities is primarily due to a decrease in accrued employee compensation and benefits, partially offset by an increase in accrued advertising expense and an increase in accrued revenue share expense. The decrease in accrued employee compensation and benefits is due to the timing of bonus payments. The increase in accrued advertising expense is primarily due to an increase in advertising and promotional expenditures at Match and HomeAdvisor. The increase in accrued revenue share expense is primarily due to an increase in traffic acquisition costs at Search & Applications. The increase in accounts receivable is primarily due to the growth in revenue at Search & Applications earned from our services agreement with Google; the related receivable from Google was $114.6 million and $105.7 million at March 31, 2012 and December 31, 2011, respectively. While our Match and HomeAdvisor businesses experienced strong growth, the accounts receivable at these businesses are principally credit card receivables and, accordingly, are not significant in relation to the revenue of these businesses. The increase in deferred revenue is primarily due to the growth in subscription revenue at Match, which includes an increase of $5.5 million in deferred revenue at Meetic, as well as growth at Electus, Vimeo and Notional. The increase in income taxes payable is due to current year income tax accruals in excess of current year income tax payments.

Net cash used in investing activities attributable to continuing operations in 2012 of $12.2 million includes cash consideration used in acquisitions and investments of $10.7 million primarily related to the payment of contingent consideration associated with the 2011 acquisition of OkCupid and capital expenditures of $9.6 million primarily related to the internal development of software to support our products and services, partially offset by net maturities and sales of marketable debt securities and sales of long-term investments of $16.4 million.

Net cash used in financing activities attributable to continuing operations in 2012 of $127.7 million includes $222.9 million for the repurchase of 4.9 million shares of common stock at an average price of $45.50 per share and $10.6 million related to the payment of cash dividends to IAC shareholders, partially offset by proceeds related to the issuance of common stock, net of withholding taxes of $99.2 million and excess tax benefits from stock-based awards of $6.5 million. Included in the proceeds related to the issuance of common stock are proceeds of $82.9 million from the exercise of warrants to acquire 2.9 million shares of IAC common stock. The weighted average strike price of the warrants was $29.70 per share.

The Company's principal sources of liquidity are its cash and cash equivalents and marketable securities as well as its cash flows generated from operations. The Company has a $300.0 million revolving credit facility, which is available as an additional source of financing. At March 31, 2013, there were no outstanding borrowings under the revolving credit facility.

The Company anticipates that it will need to make capital and other expenditures in connection with the development and expansion of its operations. The Company expects that 2013 capital expenditures will be higher than 2012. At March 31, 2013, IAC had 1.7 million shares remaining in its share repurchase authorization. On April 30, 2013, the Board of Directors authorized the Company to repurchase an additional 10 million shares of common stock. IAC may purchase shares over an indefinite period of time on the open market and in privately negotiated transactions, depending on those factors IAC

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management deems relevant at any particular time, including, without limitation, market conditions, share price and future outlook. On April 30, 2013, IAC declared a quarterly cash dividend of $0.24 per share of common and Class B common stock outstanding; the dividend is payable on June 1, 2013 to stockholders of record on May 15, 2013. Future declarations of dividends are subject to the determination of IAC's Board of Directors.

The Company believes its existing cash, cash equivalents and marketable securities, together with its expected positive cash flows generated from operations and available borrowing capacity under its $300.0 million revolving credit facility will be sufficient to fund its normal operating requirements, including capital expenditures, share repurchases, quarterly cash dividends, and investing and other commitments for the next twelve months. Our liquidity could be negatively affected by a decrease in demand for our products and services. The Company may make acquisitions and investments that could reduce its cash, cash equivalents and marketable securities balances and as a result, the Company may need to raise additional capital through future debt or equity financing to provide for greater financial flexibility. Additional financing may not be available at all or on terms favorable to us.

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CONTRACTUAL OBLIGATIONS AND COMMERICAL COMMITMENTS

At March 31, 2013, there have been no material changes to the Company's contractual obligations, commercial commitments and off-balance sheet arrangements since the disclosure in our Annual Report on Form 10-K for the year ended December 31, 2012.

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IAC'S PRINCIPLES OF FINANCIAL REPORTING

IAC reports Operating Income Before Amortization as a supplemental measure to generally accepted accounting principles ("GAAP"). This measure is one of the primary metrics by which we evaluate the performance of our businesses, on which our internal budgets are based and by which management is compensated. We believe that investors should have access to, and we are obligated to provide, the same set of tools that we use in analyzing our results. This non-GAAP measure should be considered in addition to results prepared in accordance with GAAP, but should not be considered a substitute for or superior to GAAP results. IAC endeavors to compensate for the limitations of the non-GAAP measure presented by providing the comparable GAAP measure with equal or greater prominence, financial statements prepared in accordance with GAAP, and descriptions of the reconciling items, including quantifying such items, to derive the non-GAAP measure. We encourage investors to examine the reconciling adjustments between the GAAP and non-GAAP measure, which we discuss below. Interim results are not necessarily indicative of the results that may be expected for a full year.

Definition of IAC's Non-GAAP Measure

Operating Income Before Amortization is defined as operating income excluding, if applicable: (1) non-cash compensation expense, (2) amortization and impairment of intangibles, (3) goodwill impairment, (4) acquisition-related contingent consideration fair value adjustments and (5) one-time items. We believe this measure is useful to investors because it represents the consolidated operating results from IAC's segments, taking into account depreciation, which we believe is an ongoing cost of doing business, but excluding the effects of any other non-cash expenses. Operating Income Before Amortization has certain limitations in that it does not take into account the impact to IAC's statement of operations of certain expenses, including non-cash compensation and acquisition-related accounting.

One-Time Items

Operating Income Before Amortization is presented before one-time items, if applicable. These items are truly one-time in nature and non-recurring, infrequent or unusual, and have not occurred in the past two years or are not expected to recur in the next two years, in accordance with the Securities and Exchange Commission rules. GAAP results include one-time items. For the periods presented in this report, there are no adjustments for one-time items.

Non-Cash Expenses That Are Excluded From IAC's Non-GAAP Measure

Non-cash compensationexpense consists principally of expense associated with the grants, including unvested grants assumed in acquisitions, of stock options, restricted stock units ("RSUs") and performance-based RSUs. These expenses are not paid in cash, and we include the related shares in our fully diluted shares outstanding which, for stock options and RSUs are included on a treasury method basis, and for performance-based RSUs are included on a treasury method basis once the performance conditions are met. Upon the exercise of certain stock options and vesting of RSUs and performance-based RSUs, the awards are settled, at the Company's discretion, on a net basis, with the Company remitting the required tax withholding amount from its current funds.

Amortization of intangibles (including impairment of intangibles, if applicable) and goodwill impairment (if applicable) are non-cash expenses relating primarily to acquisitions. At the time of an acquisition, the identifiable definite-lived intangible assets of the acquired company, such as content, technology, customer lists, advertiser and supplier relationships, are valued and amortized over their estimated lives. Value is also assigned to acquired indefinite-lived intangible assets, which comprise trade names and trademarks, and goodwill that are not subject to amortization. An impairment is recorded when the carrying value of an intangible asset or goodwill exceeds its fair value. While it is likely that we will have significant intangible amortization expense as we continue to acquire companies, we believe that intangible assets represent costs incurred by the acquired company to build value prior to acquisition and the related amortization and impairment charges of intangible assets or goodwill, if applicable, are not ongoing costs of doing business.

Acquisition-related contingent consideration fair value adjustments are accounting adjustments to record contingent consideration liabilities at fair value. These adjustments can be highly variable and are excluded from our assessment of performance because they are considered non-operational in nature and, therefore, are not indicative of current or future performance or ongoing costs of doing business.

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RECONCILIATION OF OPERATING INCOME BEFORE AMORTIZATION

For a reconciliation of Operating Income Before Amortization to operating income (loss) by reportable segment for the three months ended March 31, 2013 and 2012, see Note 10 to the consolidated financial statements.

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Item 3.    Quantitative and Qualitative Disclosures about Market Risk

At March 31, 2013, there have been no material changes to the Company's instruments or positions that are sensitive to market risk since the disclosure in our Annual Report on Form 10-K for the year ended December 31, 2012.

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Item 4.    Controls and Procedures

The Company monitors and evaluates on an ongoing basis its disclosure controls and internal control over financial reporting in order to improve its overall effectiveness. In the course of these evaluations, the Company modifies and refines its internal processes as conditions warrant.

As required by Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), IAC management, including the Chairman and Senior Executive, the Chief Executive Officer and the Chief Financial Officer, evaluated the effectiveness of the Company's disclosure controls and procedures as defined by Rule 13a-15(e) and 15d-15(e) under the Exchange Act. Based on this evaluation, the Chairman and Senior Executive, the Chief Executive Officer and the Chief Financial Officer concluded that the Company's disclosure controls and procedures were effective as of the end of the period covered by this report in providing reasonable assurance that information we are required to disclose in our filings with the Securities and Exchange Commission under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Commission's rules and Forms, and include controls and procedures designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act is accumulated and communicated to our management, including our principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

As required by Rule 13a-15(d) of the Exchange Act, the Company, under the supervision and with the participation of IAC management, including the Chairman and Senior Executive, the Chief Executive Officer and the Chief Financial Officer, also evaluated whether any changes occurred to the Company's internal control over financial reporting during the period covered by this report that have materially affected, or are reasonably likely to materially affect, such control. Based on that evaluation, the Company concluded that there has been no such change during the period covered by this report.

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PART II

OTHER INFORMATION

Item 1A.    Risk Factors

Cautionary Statement Regarding Forward-Looking Information

This quarterly report on Form 10-Q contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. The use of words such as "anticipates," "estimates," "expects," "intends," "plans" and "believes," among others, generally identify forward-looking statements. These forward-looking statements include, among others, statements relating to: IAC's future financial performance, IAC's business prospects and strategy, anticipated trends and prospects in the industries in which IAC's businesses operate and other similar matters. These forward-looking statements are based on IAC management's current expectations and assumptions about future events, which are inherently subject to uncertainties, risks and changes in circumstances that are difficult to predict.

Actual results could differ materially from those contained in these forward-looking statements for a variety of reasons, including, among others: changes in senior management at IAC and/or its businesses, changes in our relationship with, or policies implemented by, Google, adverse changes in economic conditions, either generally or in any of the markets or industries in which IAC's businesses operate, adverse trends in the online advertising industry or the advertising industry generally, our ability to convert visitors to our various websites into users and customers, our ability to offer new or alternative products and services in a cost-effective manner and consumer acceptance of these products and services, changes in industry standards and technology, actual tax liabilities that differ materially from our estimates, operational and financial risks relating to acquisitions, our ability to expand successfully into international markets and regulatory changes. Certain of these and other risks and uncertainties are discussed in IAC's filings with the SEC, including in Part I "Item 1A. Risk Factors" of our annual report on Form 10-K for the fiscal year ended December 31, 2012. Other unknown or unpredictable factors that could also adversely affect IAC's business, financial condition and operating results may arise from time to time. In light of these risks and uncertainties, the forward-looking statements discussed in this report may not prove to be accurate. Accordingly, you should not place undue reliance on these forward-looking statements, which only reflect the views of IAC management as of the date of this quarterly report. IAC does not undertake to update these forward-looking statements.

Risk Factors

In addition to the other information set forth in this quarterly report, you should carefully consider the risk factors discussed in Part I "Item 1A. Risk Factors" of our annual report on Form 10-K for the fiscal year ended December 31, 2012, which could materially affect our business, financial condition or future operating results. The risks described in this report are not the only risks we face. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition and/or future operating results.

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds

Issuer Purchases of Equity Securities

The following table sets forth purchases by the Company of its common stock during the quarter ended March 31, 2013:

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Period	(a) Total Number of Shares Purchased	(b) Average Price Paid Per Share(1)		(c) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs(2)	(d) Maximum Number of Shares that May Yet Be Purchased Under Publicly Announced Plans or Programs(3)
January 2013	—	$	—	—	—
February 2013	400,000	$	42.32	400,000	2,687,606
March 2013	1,000,000	$	43.21	1,000,000	1,687,606
Total	1,400,000	$	42.96	1,400,000	1,687,606

_______________________________________________________________________________

(1) Reflects the average price paid per share of IAC common stock.

(2) Reflects repurchases made pursuant to repurchase authorizations previously announced in May 2012.

(3) Represents the total number of shares of common stock that remained available for repurchase as of March 31, 2013 pursuant to the May 2012 repurchase authorization. On April 30, 2013, IAC's Board of Directors authorized the Company to repurchase an additional 10 million shares of IAC common stock. IAC may purchase shares pursuant to these repurchase authorizations over an indefinite period of time on the open market and in privately negotiated transactions, depending on those factors IAC management deems relevant at any particular time, including, without limitation, market conditions, share price and future outlook.

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Item 6.    Exhibits

The documents set forth below, numbered in accordance with Item 601 of Regulation S-K, are filed herewith, incorporated by reference to the location indicated or furnished herewith.

Exhibit Number	Description	Location
3.1	Restated Certificate of Incorporation of IAC/InterActiveCorp.	Exhibit 3.1 to the Registrant's Registration Statement on Form 8-A/A, filed on August 12, 2005.
3.2	Certificate of Amendment of the Restated Certificate of Incorporation of IAC/InterActiveCorp.	Exhibit 3.1 to the Registrant's Current Report on Form 8-K, filed on August 22, 2008.
3.3	Amended and Restated By-Laws of IAC/InterActiveCorp.	Exhibit 3.1 to the Registrant's Current Report on Form 8-K, filed on December 6, 2010.
4.1	Supplemental Indenture, dated as of April 11, 2013, among IAC/InterActiveCorp, as Issuer, the Guarantors party thereto and Computershare Trust Company, N.A., as Trustee	Exhibit 4.3 to the Registrant's Registration Statement on Form S-4, filed on May 3, 2013.
31.1	Certification of the Chief Executive Officer pursuant to Rule 13a‑14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act.(1)
31.2	Certification of the Chairman and Senior Executive pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act.(1)
31.3	Certification of the Executive Vice President and Chief Financial Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934 as adopted pursuant to Section 302 of the Sarbanes-Oxley Act.(1)
32.1	Certification of the Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes‑Oxley Act.(2)
32.2	Certification of the Chairman and Senior Executive pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act.(2)
32.3	Certification of the Executive Vice President and Chief Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act.(2)
101.INS	XBRL Instance
101.SCH	XBRL Taxonomy Extension Schema
101.CAL	XBRL Taxonomy Extension Calculation
101.DEF	XBRL Taxonomy Extension Definition
101.LAB	XBRL Taxonomy Extension Labels
101.PRE	XBRL Taxonomy Extension Presentation

_______________________________________________________________________________

(1) Filed herewith.

(2) Furnished herewith.

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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.

Dated:	May 8, 2013
		IAC/INTERACTIVECORP
		By:	/s/ JEFFREY W. KIP
			Jeffrey W. Kip
			Executive Vice President and Chief Financial Officer

Signature	Title	Date
/s/ JEFFREY W. KIP	Executive Vice President and Chief Financial Officer	May 8, 2013
Jeffrey W. Kip

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QuickLinks

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EX-31.1

Exhibit 31.1

Certification

I, Gregory R. Blatt, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended March 31, 2013 of IAC/InterActiveCorp;

2. Based on my knowledge, this 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 report;

3. Based on my knowledge, the financial statements, and other financial information included in this 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 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 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 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 the 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.

Dated:	May 8, 2013	/s/ GREGORY R. BLATT
		Gregory R. Blatt Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification

I, Barry Diller, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended March 31, 2013 of IAC/InterActiveCorp;

2. Based on my knowledge, this 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 report;

3. Based on my knowledge, the financial statements, and other financial information included in this 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 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 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 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 the 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.

Dated:	May 8, 2013	/s/ BARRY DILLER
		Barry Diller Chairman and Senior Executive

EX-31.3

Exhibit 31.3

Certification

I, Jeffrey W. Kip, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the quarter ended March 31, 2013 of IAC/InterActiveCorp;

2. Based on my knowledge, this 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 report;

3. Based on my knowledge, the financial statements, and other financial information included in this 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 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 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 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 the 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.

Dated:	May 8, 2013	/s/ JEFFREY W. KIP
		Jeffrey W. Kip Executive Vice President & Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Gregory R. Blatt, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to my knowledge:

(1) the Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2013 of IAC/InterActiveCorp (the "Report") which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

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

Dated:	May 8, 2013	/s/ GREGORY R. BLATT
		Gregory R. Blatt Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Barry Diller, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to my knowledge:

(1) the Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2013 of IAC/InterActiveCorp (the "Report") which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

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

Dated:	May 8, 2013	/s/ BARRY DILLER
		Barry Diller Chairman and Senior Executive

EX-32.3

Exhibit 32.3

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Jeffrey W. Kip, certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section 1350, that, to my knowledge:

(1) the Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2013 of IAC/InterActiveCorp (the "Report") which this statement accompanies fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

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

Dated:	May 8, 2013	/s/ JEFFREY W. KIP
		Jeffrey W. Kip Executive Vice President & Chief Financial Officer

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FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets:
Marketable securities:	$ 5,814	$ 20,604
Fair value on a recurring basis | Quoted Market Prices in Active Markets for Identical Assets (Level 1)
Assets:
Total Assets	405,715	583,511
Fair value on a recurring basis | Quoted Market Prices in Active Markets for Identical Assets (Level 1) | Treasury and government agency money market funds
Assets:
Cash equivalents:		545,290
Fair value on a recurring basis | Quoted Market Prices in Active Markets for Identical Assets (Level 1) | Money market funds
Assets:
Cash equivalents:	373,770
Fair value on a recurring basis | Quoted Market Prices in Active Markets for Identical Assets (Level 1) | Equity securities
Assets:
Marketable securities:	4,793	6,977
Fair value on a recurring basis | Quoted Market Prices in Active Markets for Identical Assets (Level 1) | Long-term marketable equity securities
Assets:
Long-term investments:	27,152	31,244
Fair value on a recurring basis | Significant Other Observable Inputs (Level 2)
Assets:
Total Assets	184,851	25,621
Fair value on a recurring basis | Significant Other Observable Inputs (Level 2) | Commercial paper
Assets:
Cash equivalents:	89,987
Fair value on a recurring basis | Significant Other Observable Inputs (Level 2) | Time deposits
Assets:
Cash equivalents:	93,843	11,994
Fair value on a recurring basis | Significant Other Observable Inputs (Level 2) | Corporate debt securities
Assets:
Marketable securities:	1,021	13,627
Fair value on a recurring basis | Significant Unobservable Inputs (Level 3)
Assets:
Total Assets	8,580	8,100
Liabilities:
Contingent consideration arrangement	(42,295)
Fair value on a recurring basis | Significant Unobservable Inputs (Level 3) | Auction rate security
Assets:
Long-term investments:	8,580	8,100
Fair value on a recurring basis | Total Fair Value Measurements
Assets:
Total Assets	599,146	617,232
Liabilities:
Contingent consideration arrangement	(42,295)
Fair value on a recurring basis | Total Fair Value Measurements | Treasury and government agency money market funds
Assets:
Cash equivalents:		545,290
Fair value on a recurring basis | Total Fair Value Measurements | Money market funds
Assets:
Cash equivalents:	373,770
Fair value on a recurring basis | Total Fair Value Measurements | Commercial paper
Assets:
Cash equivalents:	89,987
Fair value on a recurring basis | Total Fair Value Measurements | Time deposits
Assets:
Cash equivalents:	93,843	11,994
Fair value on a recurring basis | Total Fair Value Measurements | Corporate debt securities
Assets:
Marketable securities:	1,021	13,627
Fair value on a recurring basis | Total Fair Value Measurements | Equity securities
Assets:
Marketable securities:	4,793	6,977
Fair value on a recurring basis | Total Fair Value Measurements | Auction rate security
Assets:
Long-term investments:	8,580	8,100
Fair value on a recurring basis | Total Fair Value Measurements | Long-term marketable equity securities
Assets:
Long-term investments:	$ 27,152	$ 31,244

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CONSOLIDATED FINANCIAL STATEMENT DETAILS (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Property and equipment
Property and equipment, gross	$ 538,741	$ 503,423
Accumulated depreciation and amortization	(245,459)	(232,911)
Property and equipment, net	293,282	270,512
Buildings and leasehold improvements
Property and equipment
Property and equipment, gross	245,639	238,652
Computer equipment and capitalized software
Property and equipment
Property and equipment, gross	207,543	197,402
Furniture and other equipment
Property and equipment
Property and equipment, gross	44,253	42,949
Projects in progress
Property and equipment
Property and equipment, gross	36,189	19,303
Land
Property and equipment
Property and equipment, gross	$ 5,117	$ 5,117

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SEGMENT INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Segment reporting information
Revenue	$ 742,249	$ 640,600
Operating income	84,551	62,765
Operating Income Before Amortization	112,750	91,272
Depreciation	14,016	12,115
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	112,750	91,272
Non-Cash Compensation Expense	(12,663)	(21,466)
Amortization of Intangibles	(14,078)	(7,041)
Acquisition-related Contingent Consideration Fair Value Adjustment	(1,458)
Operating income	84,551	62,765
Search and Applications
Segment reporting information
Revenue	397,192	343,198
Operating income	86,983	73,490
Operating Income Before Amortization	93,649	73,500
Depreciation	3,865	3,291
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	93,649	73,500
Non-Cash Compensation Expense	(3)	(8)
Amortization of Intangibles	(6,663)	(2)
Operating income	86,983	73,490
Match
Segment reporting information
Revenue	188,862	174,275
Operating income	40,959	29,906
Operating Income Before Amortization	46,303	37,328
Depreciation	4,677	3,537
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	46,303	37,328
Non-Cash Compensation Expense	157	(907)
Amortization of Intangibles	(4,043)	(6,515)
Acquisition-related Contingent Consideration Fair Value Adjustment	(1,458)
Operating income	40,959	29,906
Local
Segment reporting information
Revenue	74,945	77,119
Operating income	(3,403)	3,789
Operating Income Before Amortization	(1,001)	3,950
Depreciation	2,346	2,801
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	(1,001)	3,950
Amortization of Intangibles	(2,402)	(161)
Operating income	(3,403)	3,789
Media
Segment reporting information
Revenue	45,315	15,911
Operating income	(8,828)	(6,669)
Operating Income Before Amortization	(8,374)	(6,401)
Depreciation	523	179
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	(8,374)	(6,401)
Non-Cash Compensation Expense	(205)	(268)
Amortization of Intangibles	(249)
Operating income	(8,828)	(6,669)
Other
Segment reporting information
Revenue	36,045	30,206
Operating income	(3,222)	(1,714)
Operating Income Before Amortization	(2,499)	(1,398)
Depreciation	302	244
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	(2,499)	(1,398)
Non-Cash Compensation Expense	(2)	47
Amortization of Intangibles	(721)	(363)
Operating income	(3,222)	(1,714)
Total Eliminations
Segment reporting information
Revenue	(110)	(109)
Corporate
Segment reporting information
Operating income	(27,938)	(36,037)
Operating Income Before Amortization	(15,328)	(15,707)
Depreciation	2,303	2,063
Reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments
Operating Income Before Amortization	(15,328)	(15,707)
Non-Cash Compensation Expense	(12,610)	(20,330)
Operating income	$ (27,938)	$ (36,037)

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Tables)

3 Months Ended

Mar. 31, 2013

Guarantor and Nonguarantor Financial Statements [Abstract]

Schedule of condensed balance sheet

Balance sheet at March 31, 2013:

	IAC		Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Cash and cash equivalents	$	430,356	$	—	$	243,401		$	—		$	673,757
Marketable securities	5,814		—		—			—			5,814
Accounts receivable, net	35		148,666		86,480			—			235,181
Other current assets	26,558		60,849		55,106			(1,583		)	140,930
Intercompany receivables	—		536,367		1,790,850			(2,327,217		)	—
Property and equipment, net	4,053		178,444		110,785			—			293,282
Goodwill	—		1,189,864		484,356			—			1,674,220
Intangible assets, net	—		331,408		147,376			—			478,784
Investment in subsidiaries	4,463,712		674,547		—			(5,138,259		)	—
Other non-current assets	322,411		16,895		111,812			(172,840		)	278,278
Total assets	$	5,252,939	$	3,137,040	$	3,030,166		$	(7,639,899	)	$	3,780,246
Accounts payable, trade	$	3,983	$	42,672	$	31,513		$	—		$	78,168
Other current liabilities	33,262		245,294		236,232			(1,517		)	513,271
Long-term debt, net of current maturities	500,000		80,000		—			—			580,000
Income taxes payable	439,991		25,554		12,407			3,956			481,908
Intercompany liabilities	2,638,794		—		(311,577		)	(2,327,217		)	—
Other long-term liabilities	390		90,425		467,202			(176,862		)	381,155
Redeemable noncontrolling interests	—		1,379		57,875			—			59,254
IAC shareholders' equity	1,636,519		2,651,716		2,486,543			(5,138,259		)	1,636,519
Noncontrolling interests	—		—		49,971			—			49,971
Total liabilities and shareholders' equity	$	5,252,939	$	3,137,040	$	3,030,166		$	(7,639,899	)	$	3,780,246

Schedule of condensed income statement

Statement of operations for the three months ended March 31, 2013:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Revenue	$	—		$	515,784		$	227,502		$	(1,037	)	$	742,249
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	677			152,905			102,279			(779		)	255,082
Selling and marketing expense	431			170,667			72,073			(257		)	242,914
General and administrative expense	22,245			41,147			34,635			(1		)	98,026
Product development expense	899			21,279			11,404			—			33,582
Depreciation	367			8,624			5,025			—			14,016
Amortization of intangibles	—			8,910			5,168			—			14,078
Total costs and expenses	24,619			403,532			230,584			(1,037		)	657,698
Operating (loss) income	(24,619		)	112,252			(3,082		)	—			84,551
Equity in earnings (losses) of unconsolidated affiliates	113,783			2,771			(91		)	(116,554		)	(91		)
Interest expense	(6,557		)	(1,065		)	(41		)	—			(7,663		)
Other (expense) income, net	(55,448		)	(18,730		)	75,836			—			1,658
Earnings from continuing operations before income taxes	27,159			95,228			72,622			(116,554		)	78,455
Income tax benefit (provision)	27,422			(33,332		)	(19,836		)	—			(25,746		)
Earnings from continuing operations	54,581			61,896			52,786			(116,554		)	52,709
(Loss) earnings from discontinued operations, net of tax	(944		)	—			7			(7		)	(944		)
Net earnings	53,637			61,896			52,793			(116,561		)	51,765
Net loss attributable to noncontrolling interests	—			8			1,864			—			1,872
Net earnings attributable to IAC shareholders	$	53,637		$	61,904		$	54,657		$	(116,561	)	$	53,637
Comprehensive income attributable to IAC shareholders	$	41,710		$	61,829		$	49,313		$	(111,142	)	$	41,710

Schedule of condensed cash flow statement

Statement of cash flows for the three months ended March 31, 2013:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations		IAC Consolidated
	(In thousands)
Net cash (used in) provided by operating activities attributable to continuing operations	$	(1,106	)	$	105,567		$	(12,099	)	$	—	$	92,362
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	—			(6,060		)	(23,134		)	—		(29,194		)
Capital expenditures	(78		)	(5,059		)	(28,501		)	—		(33,638		)
Proceeds from maturities and sales of marketable debt securities	12,500			—			—			—		12,500
Proceeds from sales of long-term investments	—			—			214			—		214
Purchases of long-term investments	—			—			(975		)	—		(975		)
Other, net	(55		)	—			(996		)	—		(1,051		)
Net cash provided by (used in) investing activities attributable to continuing operations	12,367			(11,119		)	(53,392		)	—		(52,144		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605		)	—			—			—		(88,605		)
Issuance of common stock, net of withholding taxes	552			—			—			—		552
Dividends	(21,429		)	—			—			—		(21,429		)
Excess tax benefits from stock-based awards	12,530			—			—			—		12,530
Principal payments on long-term debt	(15,844		)	—			—			—		(15,844		)
Intercompany	29,317			(94,447		)	65,130			—		—
Other, net	(927		)	(29		)	(145		)	—		(1,101		)
Net cash (used in) provided by financing activities attributable to continuing operations	(84,406		)	(94,476		)	64,985			—		(113,897		)
Total cash used in continuing operations	(73,145		)	(28		)	(506		)	—		(73,679		)
Total cash provided by (used in) discontinued operations	2,426			—			(1		)	—		2,425
Effect of exchange rate changes on cash and cash equivalents	—			28			(4,994		)	—		(4,966		)
Net decrease in cash and cash equivalents	(70,719		)	—			(5,501		)	—		(76,220		)
Cash and cash equivalents at beginning of period	501,075			—			248,902			—		749,977
Cash and cash equivalents at end of period	$	430,356		$	—		$	243,401		$	—	$	673,757

Statement of cash flows for the three months ended March 31, 2012:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations		IAC Consolidated
	(In thousands)
Net cash (used in) provided by operating activities attributable to continuing operations	$	(19,544	)	$	82,531		$	(3,937	)	$	—	$	59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	—			(10,267		)	—			—		(10,267		)
Capital expenditures	(31		)	(6,182		)	(3,420		)	—		(9,633		)
Proceeds from maturities and sales of marketable debt securities	18,343			—			—			—		18,343
Purchases of marketable debt securities	(10,012		)	—			—			—		(10,012		)
Proceeds from sales of long-term investments	8,058			—			—			—		8,058
Purchases of long-term investments	—			(20		)	(450		)	—		(470		)
Other, net	(350		)	(299		)	(7,604		)	—		(8,253		)
Net cash provided by (used in) investing activities attributable to continuing operations	16,008			(16,768		)	(11,474		)	—		(12,234		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(222,863		)	—			—			—		(222,863		)
Issuance of common stock, net of withholding taxes	99,212			—			—			—		99,212
Dividends	(10,573		)	—			—			—		(10,573		)
Excess tax benefits from stock-based awards	6,477			—			—			—		6,477
Intercompany	33,687			(65,755		)	32,068			—		—
Other, net	—			—			22			—		22
Net cash (used in) provided by financing activities attributable to continuing operations	(94,060		)	(65,755		)	32,090			—		(127,725		)
Total cash (used in) provided by continuing operations	(97,596		)	8			16,679			—		(80,909		)
Total cash used in discontinued operations	(333		)	—			(35		)	—		(368		)
Effect of exchange rate changes on cash and cash equivalents	—			(8		)	1,228			—		1,220
Net (decrease) increase in cash and cash equivalents	(97,929		)	—			17,872			—		(80,057		)
Cash and cash equivalents at beginning of period	545,222			—			158,931			—		704,153
Cash and cash equivalents at end of period	$	447,293		$	—		$	176,803		$	—	$	624,096

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MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2013

Marketable Securities [Abstract]

Schedule of current available-for-sale marketable securities

At March 31, 2013, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt security	$	1,007	$	14	$	—	$	1,021
Total debt security	1,007		14		—		1,021
Equity security	—		4,793		—		4,793
Total marketable securities	$	1,007	$	4,807	$	—	$	5,814

At December 31, 2012, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt securities	$	13,608	$	19	$	—	$	13,627
Total debt securities	13,608		19		—		13,627
Equity security	—		6,977		—		6,977
Total marketable securities	$	13,608	$	6,996	$	—	$	20,604

Schedule of contractual maturities of debt securities classified as available-for-sale

The contractual maturity of the debt security classified as available-for-sale at March 31, 2013 is as follows:

	Amortized Cost		Estimated Fair Value
	(In thousands)
Due after one year through two years	$	1,007	$	1,021
Total	$	1,007	$	1,021

Schedule of proceeds from maturities and sales of current and non-current available-for-sale marketable securities and the related gross realized gains and losses

The following table presents the proceeds from maturities and sales of current and non-current available-for-sale marketable securities and the related gross realized gains and losses:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Proceeds from maturities and sales of available-for-sale marketable securities	$	12,500	$	26,401
Gross realized gains	—		1,783
Gross realized losses	—		—

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CONTINGENCIES (Details)	3 Months Ended
	Mar. 31, 2013 lawsuit
Loss Contingency [Abstract]
Minimum number of lawsuits that could have material impact on the liquidity, results of operations, or financial condition	1

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LONG-TERM DEBT (Details) (USD $)										3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Dec. 21, 2012	Mar. 31, 2013 Senior Notes 7% Senior Notes due January 2013	Dec. 21, 2012 Senior Notes 7% Senior Notes due January 2013	Mar. 31, 2013 Senior Notes 4.75% Senior Notes Due December 2022	Dec. 21, 2012 Senior Notes 4.75% Senior Notes Due December 2022	Mar. 31, 2013 Bonds 5% New York City Industrial Development Agency Bonds due September 2035	Dec. 21, 2012 Bonds 5% New York City Industrial Development Agency Bonds due September 2035	Mar. 31, 2013 Revolving Credit Facility	Dec. 21, 2012 Revolving Credit Facility
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 500,000,000.0
Total long-term debt	580,000,000		595,844,000	0	15,844,000	500,000,000	500,000,000	80,000,000	80,000,000
Less current maturities	0	(15,844,000)	(15,844,000)
Long-term debt, net of current maturities	580,000,000	580,000,000	580,000,000
Stated rate				7.00%		4.75%	4.75%	5.00%
Line of Credit Facility [Abstract]
Line of credit, maximum borrowing capacity											300,000,000.0
Line of credit, amount outstanding										$ 0
Line of credit, commitment fee percentage										0.25%

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MARKETABLE SECURITIES (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current available-for-sale marketable securities
Amortized Cost	$ 1,007	$ 13,608
Gross Unrealized Gains	4,807	6,996
Gross Unrealized Losses	0	0
Estimated Fair Value	5,814	20,604
Contractual maturities of debt securities classified as available-for-sale
Due after one year through two years, amortized cost	1,007
Total Amortized Cost	1,007
Due after one year through two years, fair value	1,021
Total, Estimated Fair Value	1,021
Total debt securities
Current available-for-sale marketable securities
Amortized Cost	1,007	13,608
Gross Unrealized Gains	14	19
Gross Unrealized Losses	0	0
Estimated Fair Value	1,021	13,627
Corporate debt securities
Current available-for-sale marketable securities
Amortized Cost	1,007	13,608
Gross Unrealized Gains	14	19
Gross Unrealized Losses		0
Estimated Fair Value	1,021	13,627
Equity securities
Current available-for-sale marketable securities
Amortized Cost		0
Gross Unrealized Gains	4,793	6,977
Estimated Fair Value	$ 4,793	$ 6,977

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Revenue	$ 742,249	$ 640,600
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	255,082	223,571
Selling and marketing expense	242,914	219,838
General and administrative expense	98,026	91,788
Product development expense	33,582	23,482
Depreciation	14,016	12,115
Amortization of intangibles	14,078	7,041
Total costs and expenses	657,698	577,835
Operating income	84,551	62,765
Equity in losses of unconsolidated affiliates	(91)	(5,901)
Interest expense	(7,663)	(1,347)
Other income, net	1,658	2,756
Earnings from continuing operations before income taxes	78,455	58,273
Income tax provision	(25,746)	(27,120)
Earnings from continuing operations	52,709	31,153
(Loss) earnings from discontinued operations, net of tax	(944)	3,684
Net earnings	51,765	34,837
Net loss (earnings) attributable to noncontrolling interests	1,872	(359)
Net earnings attributable to IAC shareholders	53,637	34,478
Comprehensive income attributable to IAC shareholders	41,710	65,374
IAC
Condensed Financial Statements, Captions [Line Items]
Revenue	0
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	677
Selling and marketing expense	431
General and administrative expense	22,245
Product development expense	899
Depreciation	367
Amortization of intangibles	0
Total costs and expenses	24,619
Operating income	(24,619)
Equity in losses of unconsolidated affiliates	113,783
Interest expense	(6,557)
Other income, net	(55,448)
Earnings from continuing operations before income taxes	27,159
Income tax provision	27,422
Earnings from continuing operations	54,581
(Loss) earnings from discontinued operations, net of tax	(944)
Net earnings	53,637
Net loss (earnings) attributable to noncontrolling interests	0
Net earnings attributable to IAC shareholders	53,637
Comprehensive income attributable to IAC shareholders	41,710
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue	515,784
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	152,905
Selling and marketing expense	170,667
General and administrative expense	41,147
Product development expense	21,279
Depreciation	8,624
Amortization of intangibles	8,910
Total costs and expenses	403,532
Operating income	112,252
Equity in losses of unconsolidated affiliates	2,771
Interest expense	(1,065)
Other income, net	(18,730)
Earnings from continuing operations before income taxes	95,228
Income tax provision	(33,332)
Earnings from continuing operations	61,896
(Loss) earnings from discontinued operations, net of tax	0
Net earnings	61,896
Net loss (earnings) attributable to noncontrolling interests	8
Net earnings attributable to IAC shareholders	61,904
Comprehensive income attributable to IAC shareholders	61,829
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Revenue	227,502
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	102,279
Selling and marketing expense	72,073
General and administrative expense	34,635
Product development expense	11,404
Depreciation	5,025
Amortization of intangibles	5,168
Total costs and expenses	230,584
Operating income	(3,082)
Equity in losses of unconsolidated affiliates	(91)
Interest expense	(41)
Other income, net	75,836
Earnings from continuing operations before income taxes	72,622
Income tax provision	(19,836)
Earnings from continuing operations	52,786
(Loss) earnings from discontinued operations, net of tax	7
Net earnings	52,793
Net loss (earnings) attributable to noncontrolling interests	1,864
Net earnings attributable to IAC shareholders	54,657
Comprehensive income attributable to IAC shareholders	49,313
Total Eliminations
Condensed Financial Statements, Captions [Line Items]
Revenue	(1,037)
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	(779)
Selling and marketing expense	(257)
General and administrative expense	(1)
Product development expense	0
Depreciation	0
Amortization of intangibles	0
Total costs and expenses	(1,037)
Operating income	0
Equity in losses of unconsolidated affiliates	(116,554)
Interest expense	0
Other income, net	0
Earnings from continuing operations before income taxes	(116,554)
Income tax provision	0
Earnings from continuing operations	(116,554)
(Loss) earnings from discontinued operations, net of tax	(7)
Net earnings	(116,561)
Net loss (earnings) attributable to noncontrolling interests	0
Net earnings attributable to IAC shareholders	(116,561)
Comprehensive income attributable to IAC shareholders	(111,142)
IAC Consolidated
Condensed Financial Statements, Captions [Line Items]
Revenue	742,249
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	255,082
Selling and marketing expense	242,914
General and administrative expense	98,026
Product development expense	33,582
Depreciation	14,016
Amortization of intangibles	14,078
Total costs and expenses	657,698
Operating income	84,551
Equity in losses of unconsolidated affiliates	(91)
Interest expense	(7,663)
Other income, net	1,658
Earnings from continuing operations before income taxes	78,455
Income tax provision	(25,746)
Earnings from continuing operations	52,709
(Loss) earnings from discontinued operations, net of tax	(944)
Net earnings	51,765
Net loss (earnings) attributable to noncontrolling interests	1,872
Net earnings attributable to IAC shareholders	53,637
Comprehensive income attributable to IAC shareholders	$ 41,710

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SEGMENT INFORMATION (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Revenue and long-lived assets by geography
Revenue	$ 742,249	$ 640,600
Long-lived assets (excluding goodwill and intangible assets)	293,282		270,512
United States
Revenue and long-lived assets by geography
Revenue	514,614	445,660
Long-lived assets (excluding goodwill and intangible assets)	271,502		251,379
All other countries
Revenue and long-lived assets by geography
Revenue	227,635	194,940
Long-lived assets (excluding goodwill and intangible assets)	$ 21,780		$ 19,133

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THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Nature of Operations

IAC is a leading media and internet company comprised of more than 150 brands and products, including Ask.com, About.com, Match.com, HomeAdvisor.com and Vimeo.com. Focused in the areas of search, applications, online dating, local and media, IAC's family of websites is one of the largest in the world, with more than a billion monthly visits across more than 30 countries. IAC includes the businesses comprising its Search & Applications, Match, Local, Media and Other segments, as well as investments in unconsolidated affiliates.

All references to "IAC," the "Company," "we," "our" or "us" in this report are to IAC/InterActiveCorp.

Basis of Presentation

The consolidated financial statements include the accounts of the Company, all entities that are wholly-owned by the Company and all entities in which the Company has a controlling financial interest. Intercompany transactions and accounts have been eliminated. Investments in entities in which the Company has the ability to exercise significant influence over the operating and financial matters of the investee, but does not have a controlling financial interest, are accounted for using the equity method and are included in "Long-term investments" in the accompanying consolidated balance sheet.

The accompanying unaudited consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles ("U.S. GAAP") for interim financial information and with the rules and regulations of the Securities and Exchange Commission. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements. In the opinion of management, the accompanying unaudited consolidated financial statements include all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation. Interim results are not necessarily indicative of the results that may be expected for a full year. The accompanying unaudited consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company's annual report on Form 10-K for the year ended December 31, 2012.

Accounting Estimates

The preparation of consolidated financial statements in accordance with U.S. GAAP requires management to make certain estimates, judgments and assumptions that impact the reported amounts of assets, liabilities, revenue and expenses and the related disclosure of contingent assets and liabilities. Actual results could differ from those estimates. On an ongoing basis, the Company evaluates its estimates and judgments including those related to: the fair values of marketable securities and other investments; the recoverability of goodwill and indefinite-lived intangible assets; the useful lives and recovery of definite-lived intangible assets and property and equipment; the carrying value of accounts receivable, including the determination of the allowance for doubtful accounts and revenue reserves; the fair value of acquisition-related contingent consideration; the reserves for income tax contingencies; the valuation allowance for deferred income tax assets; and the fair value of and forfeiture rates for stock-based awards, among others. The Company bases its estimates and judgments on historical experience, its forecasts and budgets and other factors that the Company considers relevant.

Certain Risks and Concentrations

A substantial portion of the Company's revenue is derived from online advertising, the market for which is highly competitive and rapidly changing. Significant changes in this industry or changes in advertising spending behavior or in customer buying behavior could adversely affect our operating results. Most of the Company's online advertising revenue is attributable to a services agreement with Google Inc. ("Google"), which expires on March 31, 2016. Our services agreement requires that we comply with certain guidelines promulgated by Google. Subject to certain limitations, Google may unilaterally update its policies and guidelines, which could in turn require modifications to, or prohibit and/or render obsolete certain of, our products, services and/or business practices, which could be costly to address or otherwise have an adverse effect on our business, financial condition and results of operations. For the three months ended March 31, 2013 and 2012, revenue earned from Google is $376.1 million and $328.9 million, respectively. This revenue is earned by the businesses comprising the Search & Applications segment. Accounts receivable related to revenue earned from Google totaled $137.0 million at March 31, 2013 and $125.3 million at December 31, 2012.

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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other	$ (327)	$ (242)
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2012	(32,169)
Other comprehensive loss before reclassifications	(11,926)
Amounts reclassified from accumulated other comprehensive loss	(1)
Net current period other comprehensive loss	(13,399)	31,809
Balance as of March 31, 2013	(44,096)
Other comprehensive (loss) income, net of tax	(12,815)
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2012	(25,073)
Other comprehensive loss before reclassifications	(6,951)
Amounts reclassified from accumulated other comprehensive loss	0
Net current period other comprehensive loss	(6,951)
Balance as of March 31, 2013	(32,024)
Unrealized Losses On Available-For-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance as of December 31, 2012	(7,096)
Other comprehensive loss before reclassifications	(4,975)
Amounts reclassified from accumulated other comprehensive loss	(1)
Net current period other comprehensive loss	(4,976)
Balance as of March 31, 2013	(12,072)
Unrealized Losses On Available-For-Sale Securities | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other	100
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Other comprehensive (loss) income, net of tax	$ (11,927)

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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables)

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

Schedule of accumulated other comprehensive loss

The following table presents items reclassified out of accumulated other comprehensive loss into earnings:

	Foreign Currency Translation Adjustment			Unrealized Losses On Available-For-Sale Securities			Accumulated Other Comprehensive Loss
	(In thousands)
Balance as of December 31, 2012	$	(25,073	)	$	(7,096	)	$	(32,169	)
Other comprehensive loss before reclassifications	(6,951		)	(4,975		)	(11,926		)
Amounts reclassified from accumulated other comprehensive loss	—			(1		)	(1		)
Net current period other comprehensive loss	(6,951		)	(4,976		)	(11,927		)
Balance as of March 31, 2013	$	(32,024	)	$	(12,072	)	$	(44,096	)

N

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LONG-TERM DEBT (Tables)

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The balance of long-term debt is comprised of:

	March 31, 2013		December 31, 2012
	(In thousands)
7.00% Senior Notes due January 15, 2013 (the "2002 Senior Notes"); interest payable each January 15 and July 15 which commenced July 15, 2003	$	—	$	15,844
4.75% Senior Notes due December 15, 2022 (the "2012 Senior Notes"); interest payable each June 15 and December 15 commencing June 15, 2013	500,000		500,000
5% New York City Industrial Development Agency Liberty Bonds due September 1, 2035; interest payable each March 1 and September 1 which commenced March 1, 2006	80,000		80,000
Total long-term debt	$	580,000	595,844
Less current maturities	—		(15,844		)
Long-term debt, net of current maturities	$	580,000	$	580,000

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EARNINGS PER SHARE (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Numerator: Basic
Earnings from continuing operations	$ 52,709	$ 31,153
Net loss attributable to noncontrolling interests	1,872	(359)
Earnings from continuing operations attributable to IAC shareholders	54,581	30,794
Loss from discontinued operations attributable to IAC shareholders	(944)	3,684
Net earnings attributable to IAC shareholders	53,637	34,478
Numerator: Diluted
Earnings from continuing operations	52,709	31,153
Net loss attributable to noncontrolling interests	1,872	(359)
Earnings from continuing operations attributable to IAC shareholders	54,581	30,794
Loss from discontinued operations attributable to IAC shareholders	(944)	3,684
Net earnings attributable to IAC shareholders	$ 53,637	$ 34,478
Denominator: Basic
Weighted average basic shares outstanding	84,218	82,801
Denominator: Diluted
Weighted average basic shares outstanding	84,218	82,801
Dilutive securities including stock options, warrants and RSUs (in shares)	3,162	8,917
Denominator for earnings per share-weighted average shares (in shares)	87,380	91,718
Earnings (loss) per share attributable to IAC shareholders: Basic
Earnings per share from continuing operations (in dollars per share)	$ 0.65	$ 0.37
Discontinued operations (in dollars per share)	$ (0.01)	$ 0.05
Earnings per share (in dollars per share)	$ 0.64	$ 0.42
Earnings (loss) per share attributable to IAC shareholders: Diluted
Earnings per share from continuing operations (in dollars per share)	$ 0.62	$ 0.34
Discontinued operations (in dollars per share)	$ (0.01)	$ 0.04
Earnings per share (in dollars per share)	$ 0.61	$ 0.38

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EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share attributable to IAC shareholders.

	Three Months Ended March 31,
	2013						2012
	Basic			Diluted			Basic			Diluted
	(In thousands, except per share data)
Numerator:
Earnings from continuing operations	$	52,709		$	52,709		$	31,153		$	31,153
Net loss (earnings) attributable to noncontrolling interests	1,872			1,872			(359		)	(359		)
Earnings from continuing operations attributable to IAC shareholders	54,581			54,581			30,794			30,794
(Loss) earnings from discontinued operations attributable to IAC shareholders	(944		)	(944		)	3,684			3,684
Net earnings attributable to IAC shareholders	$	53,637		$	53,637		$	34,478		$	34,478
Denominator:
Weighted average basic shares outstanding	84,218			84,218			82,801			82,801
Dilutive securities including stock options, warrants and RSUs(a)(b)	—			3,162			—			8,917
Denominator for earnings per share—weighted average shares(a)(b)	84,218			87,380			82,801			91,718
Earnings (loss) per share attributable to IAC shareholders:
Earnings per share from continuing operations	$	0.65		$	0.62		$	0.37		$	0.34
Discontinued operations	(0.01		)	(0.01		)	0.05			0.04
Earnings per share	$	0.64		$	0.61		$	0.42		$	0.38

____________________________________________

(a) If the effect is dilutive, weighted average common shares outstanding include the incremental shares that would be issued upon the assumed exercise of stock options and warrants and vesting of restricted stock units ("RSUs") and performance-based stock units ("PSUs"). As of May 8, 2012, there are no warrants outstanding. For the three months ended March 31, 2013 and 2012, approximately 3.4 million and 2.7 million shares, respectively, related to potentially dilutive securities are excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

(b) At March 31, 2013, there were approximately 0.1 million PSUs included in the calculation of diluted earnings per share, as their performance conditions have been met. Prior to September 30, 2012, no PSUs were included in diluted earnings per share. For the three months ended March 31, 2013 and 2012, approximately 0.1 million and 3.1 million PSUs are excluded from the calculation of diluted earnings per share.

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SEGMENT INFORMATION (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Schedule of reconciliation of revenues from segments to consolidated

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Revenue:
Search & Applications	$	397,192		$	343,198
Match	188,862			174,275
Local	74,945			77,119
Media	45,315			15,911
Other	36,045			30,206
Inter-segment elimination	(110		)	(109		)
Total	$	742,249		$	640,600

Schedule of reconciliation of operating income (loss) from segments to consolidated

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Operating Income (Loss):
Search & Applications	$	86,983		$	73,490
Match	40,959			29,906
Local	(3,403		)	3,789
Media	(8,828		)	(6,669		)
Other	(3,222		)	(1,714		)
Corporate	(27,938		)	(36,037		)
Total	$	84,551		$	62,765

Schedule of reconciliation of Operating Income Before Amortization from segments to consolidated

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Operating Income Before Amortization:
Search & Applications	$	93,649		$	73,500
Match	46,303			37,328
Local	(1,001		)	3,950
Media	(8,374		)	(6,401		)
Other	(2,499		)	(1,398		)
Corporate	(15,328		)	(15,707		)
Total	$	112,750		$	91,272

Schedule of reconciliation of depreciation from segments to consolidated

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Depreciation:
Search & Applications	$	3,865	$	3,291
Match	4,677		3,537
Local	2,346		2,801
Media	523		179
Other	302		244
Corporate	2,303		2,063
Total	$	14,016	$	12,115

Schedule of revenue and long-lived assets, excluding goodwill and intangible assets, by geography

Revenue by geography is based on where the customer is located. Geographic information about revenue and long-lived assets is presented below:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Revenue:
United States	$	514,614	$	445,660
All other countries	227,635		194,940
Total	$	742,249	$	640,600

	March 31, 2013		December 31, 2012
	(In thousands)
Long-lived assets (excluding goodwill and intangible assets):
United States	$	271,502	$	251,379
All other countries	21,780		19,133
Total	$	293,282	$	270,512

Schedule of reconciliation of Operating Income Before Amortization to operating income (loss) for the entity's reportable segments

The following tables reconcile Operating Income Before Amortization to operating income (loss) for the Company's reportable segments:

	Three Months Ended March 31, 2013
	Operating Income Before Amortization			Non-Cash Compensation Expense			Amortization of Intangibles			Acquisition-related Contingent Consideration Fair Value Adjustment			Operating Income (Loss)
	(In thousands)
Search & Applications	$	93,649		$	(3	)	$	(6,663	)	$	—		$	86,983
Match	46,303			157			(4,043		)	(1,458		)	40,959
Local	(1,001		)	—			(2,402		)	—			(3,403		)
Media	(8,374		)	(205		)	(249		)	—			(8,828		)
Other	(2,499		)	(2		)	(721		)	—			(3,222		)
Corporate	(15,328		)	(12,610		)	—			—			(27,938		)
Total	$	112,750		$	(12,663	)	$	(14,078	)	$	(1,458	)	$	84,551

	Three Months Ended March 31, 2012
	Operating Income Before Amortization			Non-Cash Compensation Expense			Amortization of Intangibles			Operating Income (Loss)
	(In thousands)
Search & Applications	$	73,500		$	(8	)	$	(2	)	$	73,490
Match	37,328			(907		)	(6,515		)	29,906
Local	3,950			—			(161		)	3,789
Media	(6,401		)	(268		)	—			(6,669		)
Other	(1,398		)	47			(363		)	(1,714		)
Corporate	(15,707		)	(20,330		)	—			(36,037		)
Total	$	91,272		$	(21,466	)	$	(7,041	)	$	62,765

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CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities attributable to continuing operations:
Net earnings	$ 51,765	$ 34,837
Less: (loss) earnings from discontinued operations, net of tax	(944)	3,684
Earnings from continuing operations	52,709	31,153
Adjustments to reconcile earnings from continuing operations to net cash provided by operating activities attributable to continuing operations:
Non-cash compensation expense	12,663	21,466
Depreciation	14,016	12,115
Amortization of intangibles	14,078	7,041
Deferred income taxes	(11,010)	3,129
Equity in losses of unconsolidated affiliates	91	5,901
Acquisition-related contingent consideration fair value adjustment	1,458
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable	(4,635)	(10,537)
Other current assets	(8,001)	(8,950)
Accounts payable and other current liabilities	(12,929)	(34,991)
Income taxes payable	22,666	10,843
Deferred revenue	7,827	19,622
Other, net	3,429	2,258
Net cash provided by operating activities attributable to continuing operations	92,362	59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(29,194)	(10,267)
Capital expenditures	(33,638)	(9,633)
Proceeds from maturities and sales of marketable debt securities	12,500	18,343
Purchases of marketable debt securities	0	(10,012)
Proceeds from sales of long-term investments	214	8,058
Purchases of long-term investments	(975)	(470)
Other, net	(1,051)	(8,253)
Net cash used in investing activities attributable to continuing operations	(52,144)	(12,234)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605)	(222,863)
Issuance of common stock, net of withholding taxes	552	99,212
Dividends	(21,429)	(10,573)
Excess tax benefits from stock-based awards	12,530	6,477
Principal payments on long-term debt	(15,844)
Other, net	(1,101)	22
Net cash used in financing activities attributable to continuing operations	(113,897)	(127,725)
Total cash used in continuing operations	(73,679)	(80,909)
Total cash provided by (used in) discontinued operations	2,425	(368)
Effect of exchange rate changes on cash and cash equivalents	(4,966)	1,220
Net decrease in cash and cash equivalents	(76,220)	(80,057)
Cash and cash equivalents at beginning of period	749,977	704,153
Cash and cash equivalents at end of period	$ 673,757	$ 624,096

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CONSOLIDATED FINANCIAL STATEMENT DETAILS (Tables)

3 Months Ended

Mar. 31, 2013

CONSOLIDATED FINANCIAL STATEMENT DETAILS

Schedule of property and equipment, net

N

Schedule of accumulated other comprehensive loss

The following table presents items reclassified out of accumulated other comprehensive loss into earnings:

	Foreign Currency Translation Adjustment			Unrealized Losses On Available-For-Sale Securities			Accumulated Other Comprehensive Loss
	(In thousands)
Balance as of December 31, 2012	$	(25,073	)	$	(7,096	)	$	(32,169	)
Other comprehensive loss before reclassifications	(6,951		)	(4,975		)	(11,926		)
Amounts reclassified from accumulated other comprehensive loss	—			(1		)	(1		)
Net current period other comprehensive loss	(6,951		)	(4,976		)	(11,927		)
Balance as of March 31, 2013	$	(32,024	)	$	(12,072	)	$	(44,096	)

N

Schedule of Other (expense) income, net

N

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FAIR VALUE MEASUREMENTS (Details 1) (USD $)				3 Months Ended				3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Jan. 04, 2013 Twoo [Member]	Mar. 31, 2013 Auction rate security	Sep. 30, 2011 Auction rate security	Dec. 31, 2012 Auction rate security	Dec. 31, 2011 Auction rate security	Mar. 31, 2013 Contingent Consideration Arrangement	Mar. 31, 2012 Contingent Consideration Arrangement
Assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Fair Value of Contingent ConsideratonIncrease due to Interest Accretion			$ 1,500,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings								1,458,000
Changes in assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Balance at the beginning of the period, assets				8,100,000			5,870,000
Total net gains (losses) (realized and unrealized) included in other comprehensive income, assets				480,000	1,850,000
Balance at the end of the period, assets				8,580,000	7,720,000		5,870,000
Changes in liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3)
Balance at the beginning of the period, liabilities									(10,000,000)
Fair value at date of acquisition, liabilities								(40,837,000)
Settlements, liabilities									10,000,000
Balance at the end of the period, liabilities								(42,295,000)
Auction rate securities
Cost basis				10,000,000
Gross unrealized losses	0	0		1,400,000		1,900,000
Fair Value of continegent consideration discount ratefor risk			15.00%
Business Acquisition, Contingent Consideration, at Fair Value, Current			1,300,000
Business Acquisition, Contingent Consideration, at Fair Value, Noncurrent			$ 41,000,000

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities attributable to continuing operations	$ 92,362	$ 59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(29,194)	(10,267)
Capital expenditures	(33,638)	(9,633)
Proceeds from maturities and sales of marketable debt securities	12,500	18,343
Purchases of marketable debt securities	0	(10,012)
Proceeds from sales of long-term investments	214	8,058
Purchases of long-term investments	(975)	(470)
Other, net	(1,051)	(8,253)
Net cash used in investing activities attributable to continuing operations	(52,144)	(12,234)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605)	(222,863)
Issuance of common stock, net of withholding taxes	552	99,212
Dividends	(21,429)	(10,573)
Excess tax benefits from stock-based awards	12,530	6,477
Principal payments on long-term debt	(15,844)
Other, net	(1,101)	22
Net cash used in financing activities attributable to continuing operations	(113,897)	(127,725)
Total cash used in continuing operations	(73,679)	(80,909)
Total cash provided by (used in) discontinued operations	2,425	(368)
Effect of exchange rate changes on cash and cash equivalents	(4,966)	1,220
Net decrease in cash and cash equivalents	(76,220)	(80,057)
Cash and cash equivalents at beginning of period	749,977	704,153
Cash and cash equivalents at end of period	673,757	624,096
IAC Consolidated
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities attributable to continuing operations	92,362	59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(29,194)	(10,267)
Capital expenditures	(33,638)	(9,633)
Proceeds from maturities and sales of marketable debt securities	12,500	18,343
Purchases of marketable debt securities		(10,012)
Proceeds from sales of long-term investments	214	8,058
Purchases of long-term investments	(975)	(470)
Other, net	(1,051)	(8,253)
Net cash used in investing activities attributable to continuing operations	(52,144)	(12,234)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605)	(222,863)
Issuance of common stock, net of withholding taxes	552	99,212
Dividends	(21,429)	(10,573)
Excess tax benefits from stock-based awards	12,530	6,477
Principal payments on long-term debt	(15,844)
Intercompany	0	0
Other, net	(1,101)	22
Net cash used in financing activities attributable to continuing operations	(113,897)	(127,725)
Total cash used in continuing operations	(73,679)	(80,909)
Total cash provided by (used in) discontinued operations	2,425	(368)
Effect of exchange rate changes on cash and cash equivalents	(4,966)	1,220
Net decrease in cash and cash equivalents	(76,220)	(80,057)
Cash and cash equivalents at beginning of period	749,977	704,153
Cash and cash equivalents at end of period	673,757	624,096
Total Eliminations
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities attributable to continuing operations	0	0
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	0	0
Capital expenditures	0	0
Proceeds from maturities and sales of marketable debt securities	0	0
Purchases of marketable debt securities		0
Proceeds from sales of long-term investments	0	0
Purchases of long-term investments	0	0
Other, net	0	0
Net cash used in investing activities attributable to continuing operations	0	0
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	0	0
Issuance of common stock, net of withholding taxes	0	0
Dividends	0	0
Excess tax benefits from stock-based awards	0	0
Principal payments on long-term debt	0
Intercompany	0	0
Other, net	0	0
Net cash used in financing activities attributable to continuing operations	0	0
Total cash used in continuing operations	0	0
Total cash provided by (used in) discontinued operations	0	0
Effect of exchange rate changes on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Non-Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities attributable to continuing operations	(12,099)	(3,937)
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(23,134)	0
Capital expenditures	(28,501)	(3,420)
Proceeds from maturities and sales of marketable debt securities	0	0
Purchases of marketable debt securities		0
Proceeds from sales of long-term investments	214	0
Purchases of long-term investments	(975)	(450)
Other, net	(996)	(7,604)
Net cash used in investing activities attributable to continuing operations	(53,392)	(11,474)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	0	0
Issuance of common stock, net of withholding taxes	0	0
Dividends	0	0
Excess tax benefits from stock-based awards	0	0
Principal payments on long-term debt	0
Intercompany	65,130	32,068
Other, net	(145)	22
Net cash used in financing activities attributable to continuing operations	64,985	32,090
Total cash used in continuing operations	(506)	16,679
Total cash provided by (used in) discontinued operations	(1)	(35)
Effect of exchange rate changes on cash and cash equivalents	(4,994)	1,228
Net decrease in cash and cash equivalents	(5,501)	17,872
Cash and cash equivalents at beginning of period	248,902	158,931
Cash and cash equivalents at end of period	243,401	176,803
Guarantor Subsidiaries
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities attributable to continuing operations	105,567	82,531
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	(6,060)	(10,267)
Capital expenditures	(5,059)	(6,182)
Proceeds from maturities and sales of marketable debt securities	0	0
Purchases of marketable debt securities		0
Proceeds from sales of long-term investments	0	0
Purchases of long-term investments	0	(20)
Other, net	0	(299)
Net cash used in investing activities attributable to continuing operations	(11,119)	(16,768)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	0	0
Issuance of common stock, net of withholding taxes	0	0
Dividends	0	0
Excess tax benefits from stock-based awards	0	0
Principal payments on long-term debt	0
Intercompany	(94,447)	(65,755)
Other, net	(29)	0
Net cash used in financing activities attributable to continuing operations	(94,476)	(65,755)
Total cash used in continuing operations	(28)	8
Total cash provided by (used in) discontinued operations	0	0
Effect of exchange rate changes on cash and cash equivalents	28	(8)
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
IAC
Condensed Financial Statements, Captions [Line Items]
Net cash (used in) provided by operating activities attributable to continuing operations	(1,106)	(19,544)
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	0	0
Capital expenditures	(78)	(31)
Proceeds from maturities and sales of marketable debt securities	12,500	18,343
Purchases of marketable debt securities		(10,012)
Proceeds from sales of long-term investments	0	8,058
Purchases of long-term investments	0	0
Other, net	(55)	(350)
Net cash used in investing activities attributable to continuing operations	12,367	16,008
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605)	(222,863)
Issuance of common stock, net of withholding taxes	552	99,212
Dividends	(21,429)	(10,573)
Excess tax benefits from stock-based awards	12,530	6,477
Principal payments on long-term debt	(15,844)
Intercompany	29,317	33,687
Other, net	(927)	0
Net cash used in financing activities attributable to continuing operations	(84,406)	(94,060)
Total cash used in continuing operations	(73,145)	(97,596)
Total cash provided by (used in) discontinued operations	2,426	(333)
Effect of exchange rate changes on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	(70,719)	(97,929)
Cash and cash equivalents at beginning of period	501,075	545,222
Cash and cash equivalents at end of period	$ 430,356	$ 447,293

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CONSOLIDATED BALANCE SHEET (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
ASSETS
Cash and cash equivalents	$ 673,757	$ 749,977
Marketable securities	5,814	20,604
Accounts receivable, net of allowance of $8,908 and $11,088, respectively	235,181	229,830
Other current assets	140,930	156,339
Total current assets	1,055,682	1,156,750
Property and equipment, net	293,282	270,512
Goodwill	1,674,220	1,616,154
Intangible assets, net	478,784	482,904
Long-term investments	157,750	161,278
Other non-current assets	120,528	118,230
TOTAL ASSETS	3,780,246	3,805,828
LIABILITIES:
Current maturities of long-term debt	0	15,844
Accounts payable, trade	78,168	98,314
Deferred revenue	169,480	155,499
Accrued expenses and other current liabilities	343,791	355,232
Total current liabilities	591,439	624,889
Long-term debt, net of current maturities	580,000	580,000
Income taxes payable	481,908	479,945
Deferred income taxes	314,750	323,403
Other long-term liabilities	66,405	31,830
Redeemable noncontrolling interests	59,254	58,126
Commitments and contingencies
SHAREHOLDERS' EQUITY:
Additional paid-in capital	11,606,585	11,607,367
Accumulated deficit	(264,882)	(318,519)
Accumulated other comprehensive loss	(44,096)	(32,169)
Treasury stock 183,460,119 and 182,878,295 shares, respectively	(9,661,355)	(9,601,218)
Total IAC shareholders' equity	1,636,519	1,655,728
Noncontrolling interests	49,971	51,907
Total shareholders' equity	1,686,490	1,707,635
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,780,246	3,805,828
Common Stock
SHAREHOLDERS' EQUITY:
Common stock	251	251
Class B Convertible Common Stock
SHAREHOLDERS' EQUITY:
Common stock	$ 16	$ 16

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EARNINGS PER SHARE (Details 2)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Anti-dilutive weighted average common shares
PSUs included in calculation of diluted earnings per share	3,162,000	8,917,000
RSUs
Anti-dilutive weighted average common shares
Potentially dilutive securities excluded from calculation of diluted earnings per share (in shares)	3,400,000	2,700,000
Performance Stock Units [Member]
Anti-dilutive weighted average common shares
Potentially dilutive securities excluded from calculation of diluted earnings per share (in shares)	100,000	3,100,000
Performance Stock Units [Member]
Anti-dilutive weighted average common shares
PSUs included in calculation of diluted earnings per share	100,000

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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Change in net unrealized (losses) gains on available-for-sale securities, tax	$ 824	$ (12,579)

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INCOME TAXES (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Sep. 30, 2011	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 25,746,000	$ 27,120,000
Effective tax rate (as a percent)	33.00%	47.00%
Federal statutory rate (as a percent)	35.00%	35.00%	35.00%
Total unrecognized tax benefits including interest	497,800,000			496,800,000
Unrecognized tax benefits, including interest, increased due to a net increase in deductible timing differences	1,000,000
Portion of unrecognized tax benefits included in income taxes payable	469,800,000
Portion of unrecognized tax benefits related to deferred tax assets included in deferred income taxes	15,000,000
Portion of unrecognized tax benefits included in accrued expenses and other current liabilities	13,000,000
Unrecognized tax benefits, tax positions for which the ultimate deductibility is highly certain but timing is uncertain	73,600,000
Unrecognized tax benefit, if recognized would reduce income tax expense for continuing operations	110,500,000
Unrecognized tax benefit, if recognized would reduce income tax expense for discontinued operations	223,300,000
Interest expense related to unrecognized tax benefits from continuing operations	1,300,000
Interest benefit related to unrecognized tax benefits from discontinued operations	1,000,000
Accrued interest on unrecognized tax benefits	120,900,000			117,500,000
Accrued penalties on unrecognized tax benefits	5,000,000
Reasonably possible decrease in unrecognized tax benefits within next twelve months	132,800,000
Reasonably possible decrease in income tax provision within next twelve months	$ 14,400,000

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

3 Months Ended

Mar. 31, 2013

Guarantor and Nonguarantor Financial Statements [Abstract]

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION

The 2012 Senior Notes are unconditionally guaranteed, jointly and severally, by certain domestic subsidiaries which are 100% owned by the Company. The following tables present condensed consolidating financial information at March 31, 2013 and December 31, 2012 and for the three months ended March 31, 2013 and 2012 for: IAC, on a stand-alone basis; the combined guarantor subsidiaries of IAC; the combined non-guarantor subsidiaries of IAC; and IAC on a consolidated basis.

Balance sheet at March 31, 2013:

	IAC		Guarantor Subsidiaries		Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Cash and cash equivalents	$	430,356	$	—	$	243,401		$	—		$	673,757
Marketable securities	5,814		—		—			—			5,814
Accounts receivable, net	35		148,666		86,480			—			235,181
Other current assets	26,558		60,849		55,106			(1,583		)	140,930
Intercompany receivables	—		536,367		1,790,850			(2,327,217		)	—
Property and equipment, net	4,053		178,444		110,785			—			293,282
Goodwill	—		1,189,864		484,356			—			1,674,220
Intangible assets, net	—		331,408		147,376			—			478,784
Investment in subsidiaries	4,463,712		674,547		—			(5,138,259		)	—
Other non-current assets	322,411		16,895		111,812			(172,840		)	278,278
Total assets	$	5,252,939	$	3,137,040	$	3,030,166		$	(7,639,899	)	$	3,780,246
Accounts payable, trade	$	3,983	$	42,672	$	31,513		$	—		$	78,168
Other current liabilities	33,262		245,294		236,232			(1,517		)	513,271
Long-term debt, net of current maturities	500,000		80,000		—			—			580,000
Income taxes payable	439,991		25,554		12,407			3,956			481,908
Intercompany liabilities	2,638,794		—		(311,577		)	(2,327,217		)	—
Other long-term liabilities	390		90,425		467,202			(176,862		)	381,155
Redeemable noncontrolling interests	—		1,379		57,875			—			59,254
IAC shareholders' equity	1,636,519		2,651,716		2,486,543			(5,138,259		)	1,636,519
Noncontrolling interests	—		—		49,971			—			49,971
Total liabilities and shareholders' equity	$	5,252,939	$	3,137,040	$	3,030,166		$	(7,639,899	)	$	3,780,246

Balance sheet at December 31, 2012:

	IAC		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Total Eliminations			IAC Consolidated
	(In thousands)
Cash and cash equivalents	$	501,075	$	—	$	248,902	$	—		$	749,977
Marketable securities	20,604		—		—		—			20,604
Accounts receivable, net	43		142,627		87,160		—			229,830
Other current assets	58,441		53,611		45,324		(1,037		)	156,339
Intercompany receivables	—		501,933		10,638,870		(11,140,803		)	—
Property and equipment, net	4,116		179,582		86,814		—			270,512
Goodwill	—		1,190,199		425,955		—			1,616,154
Intangible assets, net	—		340,631		142,273		—			482,904
Investment in subsidiaries	12,913,747		611,869		—		(13,525,616		)	—
Other non-current assets	320,586		16,509		109,912		(167,499		)	279,508
Total assets	$	13,818,612	$	3,036,961	$	11,785,210	$	(24,834,955	)	$	3,805,828
Accounts payable, trade	$	4,366	$	64,888	$	29,060	$	—		$	98,314
Other current liabilities	74,230		215,884		238,113		(1,652		)	526,575
Long-term debt, net of current maturities	500,000		80,000		—		—			580,000
Income taxes payable	440,110		25,428		14,407		—			479,945
Intercompany liabilities	11,140,803		—		—		(11,140,803		)	—
Other long-term liabilities	3,375		89,595		429,147		(166,884		)	355,233
Redeemable noncontrolling interests	—		1,388		56,738		—			58,126
IAC shareholders' equity	1,655,728		2,559,778		10,965,838		(13,525,616		)	1,655,728
Noncontrolling interests	—		—		51,907		—			51,907
Total liabilities and shareholders' equity	$	13,818,612	$	3,036,961	$	11,785,210	$	(24,834,955	)	$	3,805,828

Statement of operations for the three months ended March 31, 2013:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Revenue	$	—		$	515,784		$	227,502		$	(1,037	)	$	742,249
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	677			152,905			102,279			(779		)	255,082
Selling and marketing expense	431			170,667			72,073			(257		)	242,914
General and administrative expense	22,245			41,147			34,635			(1		)	98,026
Product development expense	899			21,279			11,404			—			33,582
Depreciation	367			8,624			5,025			—			14,016
Amortization of intangibles	—			8,910			5,168			—			14,078
Total costs and expenses	24,619			403,532			230,584			(1,037		)	657,698
Operating (loss) income	(24,619		)	112,252			(3,082		)	—			84,551
Equity in earnings (losses) of unconsolidated affiliates	113,783			2,771			(91		)	(116,554		)	(91		)
Interest expense	(6,557		)	(1,065		)	(41		)	—			(7,663		)
Other (expense) income, net	(55,448		)	(18,730		)	75,836			—			1,658
Earnings from continuing operations before income taxes	27,159			95,228			72,622			(116,554		)	78,455
Income tax benefit (provision)	27,422			(33,332		)	(19,836		)	—			(25,746		)
Earnings from continuing operations	54,581			61,896			52,786			(116,554		)	52,709
(Loss) earnings from discontinued operations, net of tax	(944		)	—			7			(7		)	(944		)
Net earnings	53,637			61,896			52,793			(116,561		)	51,765
Net loss attributable to noncontrolling interests	—			8			1,864			—			1,872
Net earnings attributable to IAC shareholders	$	53,637		$	61,904		$	54,657		$	(116,561	)	$	53,637
Comprehensive income attributable to IAC shareholders	$	41,710		$	61,829		$	49,313		$	(111,142	)	$	41,710

Statement of operations for the three months ended March 31, 2012:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations			IAC Consolidated
	(In thousands)
Revenue	$	—		$	458,812		$	182,252		$	(464	)	$	640,600
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	1,394			144,207			78,080			(110		)	223,571
Selling and marketing expense	903			157,575			61,725			(365		)	219,838
General and administrative expense	29,339			37,356			25,082			11			91,788
Product development expense	1,376			16,942			5,164			—			23,482
Depreciation	147			8,586			3,382			—			12,115
Amortization of intangibles	—			630			6,411			—			7,041
Total costs and expenses	33,159			365,296			179,844			(464		)	577,835
Operating (loss) income	(33,159		)	93,516			2,408			—			62,765
Equity in earnings (losses) of unconsolidated affiliates	96,239			4,161			(4,053		)	(102,248		)	(5,901		)
Interest expense	(278		)	(1,065		)	(4		)	—			(1,347		)
Other (expense) income, net	(104,487		)	1,281			105,962			—			2,756
(Loss) earnings from continuing operations before income taxes	(41,685		)	97,893			104,313			(102,248		)	58,273
Income tax benefit (provision)	72,479			(36,827		)	(62,772		)	—			(27,120		)
Earnings from continuing operations	30,794			61,066			41,541			(102,248		)	31,153
Earnings (loss) from discontinued operations, net of tax	3,684			—			(460		)	460			3,684
Net earnings	34,478			61,066			41,081			(101,788		)	34,837
Net loss (earnings) attributable to noncontrolling interests	—			16			(375		)	—			(359		)
Net earnings attributable to IAC shareholders	$	34,478		$	61,082		$	40,706		$	(101,788	)	$	34,478
Comprehensive income attributable to IAC shareholders	$	65,374		$	61,106		$	46,861		$	(107,967	)	$	65,374

Statement of cash flows for the three months ended March 31, 2013:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations		IAC Consolidated
	(In thousands)
Net cash (used in) provided by operating activities attributable to continuing operations	$	(1,106	)	$	105,567		$	(12,099	)	$	—	$	92,362
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	—			(6,060		)	(23,134		)	—		(29,194		)
Capital expenditures	(78		)	(5,059		)	(28,501		)	—		(33,638		)
Proceeds from maturities and sales of marketable debt securities	12,500			—			—			—		12,500
Proceeds from sales of long-term investments	—			—			214			—		214
Purchases of long-term investments	—			—			(975		)	—		(975		)
Other, net	(55		)	—			(996		)	—		(1,051		)
Net cash provided by (used in) investing activities attributable to continuing operations	12,367			(11,119		)	(53,392		)	—		(52,144		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(88,605		)	—			—			—		(88,605		)
Issuance of common stock, net of withholding taxes	552			—			—			—		552
Dividends	(21,429		)	—			—			—		(21,429		)
Excess tax benefits from stock-based awards	12,530			—			—			—		12,530
Principal payments on long-term debt	(15,844		)	—			—			—		(15,844		)
Intercompany	29,317			(94,447		)	65,130			—		—
Other, net	(927		)	(29		)	(145		)	—		(1,101		)
Net cash (used in) provided by financing activities attributable to continuing operations	(84,406		)	(94,476		)	64,985			—		(113,897		)
Total cash used in continuing operations	(73,145		)	(28		)	(506		)	—		(73,679		)
Total cash provided by (used in) discontinued operations	2,426			—			(1		)	—		2,425
Effect of exchange rate changes on cash and cash equivalents	—			28			(4,994		)	—		(4,966		)
Net decrease in cash and cash equivalents	(70,719		)	—			(5,501		)	—		(76,220		)
Cash and cash equivalents at beginning of period	501,075			—			248,902			—		749,977
Cash and cash equivalents at end of period	$	430,356		$	—		$	243,401		$	—	$	673,757

Statement of cash flows for the three months ended March 31, 2012:

	IAC			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Total Eliminations		IAC Consolidated
	(In thousands)
Net cash (used in) provided by operating activities attributable to continuing operations	$	(19,544	)	$	82,531		$	(3,937	)	$	—	$	59,050
Cash flows from investing activities attributable to continuing operations:
Acquisitions, net of cash acquired	—			(10,267		)	—			—		(10,267		)
Capital expenditures	(31		)	(6,182		)	(3,420		)	—		(9,633		)
Proceeds from maturities and sales of marketable debt securities	18,343			—			—			—		18,343
Purchases of marketable debt securities	(10,012		)	—			—			—		(10,012		)
Proceeds from sales of long-term investments	8,058			—			—			—		8,058
Purchases of long-term investments	—			(20		)	(450		)	—		(470		)
Other, net	(350		)	(299		)	(7,604		)	—		(8,253		)
Net cash provided by (used in) investing activities attributable to continuing operations	16,008			(16,768		)	(11,474		)	—		(12,234		)
Cash flows from financing activities attributable to continuing operations:
Purchase of treasury stock	(222,863		)	—			—			—		(222,863		)
Issuance of common stock, net of withholding taxes	99,212			—			—			—		99,212
Dividends	(10,573		)	—			—			—		(10,573		)
Excess tax benefits from stock-based awards	6,477			—			—			—		6,477
Intercompany	33,687			(65,755		)	32,068			—		—
Other, net	—			—			22			—		22
Net cash (used in) provided by financing activities attributable to continuing operations	(94,060		)	(65,755		)	32,090			—		(127,725		)
Total cash (used in) provided by continuing operations	(97,596		)	8			16,679			—		(80,909		)
Total cash used in discontinued operations	(333		)	—			(35		)	—		(368		)
Effect of exchange rate changes on cash and cash equivalents	—			(8		)	1,228			—		1,220
Net (decrease) increase in cash and cash equivalents	(97,929		)	—			17,872			—		(80,057		)
Cash and cash equivalents at beginning of period	545,222			—			158,931			—		704,153
Cash and cash equivalents at end of period	$	447,293		$	—		$	176,803		$	—	$	624,096

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BUSINESS COMBINATION (Details)	3 Months Ended			3 Months Ended
	Mar. 31, 2012 USD ($)	Jan. 04, 2013 Twoo [Member] USD ($)	Jan. 04, 2013 Twoo [Member] EUR (€)	Mar. 31, 2012 About Group USD ($)	Sep. 24, 2012 About Group USD ($) topic
Business Combination
Purchase price, cash paid		$ 25,000,000			$ 300,000,000
Potential additonal cash payment		108,000,000	83,200,000
Contingent consideration, fair value		40,800,000
Number of topics in the online liabrary					90,000
Business acquisition, net working capital					17,100,000
Pro forma financial information
Adjustment for amortization of intangible assets				5,000,000
Revenue	664,545,000
Net earnings attributable to IAC shareholders	$ 35,691,000
Basic earnings per share attributable to IAC shareholders (in dollars per share)	$ 0.43
Diluted earnings per share attributable to IAC shareholders (in dollars per share)	$ 0.39

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BUSINESS COMBINATION (Tables)

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

Schedule of pro forma financial information

	Three Months Ended March 31, 2012
	(In thousands, except per share data)
Revenue	$	664,545
Net earnings attributable to IAC shareholders	$	35,691
Basic earnings per share attributable to IAC shareholders	$	0.43
Diluted earnings per share attributable to IAC shareholders	$	0.39

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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	IAC	Common Stock	Common Stock Class B Convertible Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Noncontrolling Interests	Redeemable Noncontrolling Interests
Redeemable noncontrolling interests, balance at Dec. 31, 2012	$ 58,126									$ 58,126
Balance at Dec. 31, 2012	1,707,635	1,655,728	251	16	11,607,367	(318,519)	(32,169)	(9,601,218)	51,907
Balance (in shares) at Dec. 31, 2012			250,982	16,157
Increase (Decrease) in Shareholders' Equity
Net (loss) earnings for the three months ended March 31, 2013	53,050	53,637				53,637			(587)
Redeemable noncontrolling interests, net (loss) earnings for the nine months ended September 30, 2012										(1,285)
Other comprehensive loss, net of tax	(12,815)	(11,927)					(11,927)		(888)
Non-cash compensation expense	12,663	12,820			12,820				(157)
Redeemable noncontrolling interests, other comprehensive loss, net of tax										(584)
Issuance of common stock upon exercise of stock options, vesting of restricted stock units and other, net of withholding taxes	(4,230)	(4,230)	0		(4,231)			(1)
Issuance of common stock upon exercise of stock options, vesting of restricted stock units and other, net of withholding taxes (in shares)			0
Income tax benefit related to the exercise of stock options, vesting of restricted stock units and other	12,332	12,332			12,332
Dividends	(21,597)	(21,597)			(21,597)
Purchase of treasury stock	(60,138)	(60,138)						(60,138)
Fair value of redeemable noncontrolling interests adjustment	(2,659)	(2,659)			(2,659)					2,659
Transfer from noncontrolling interests to redeemable noncontrolling interests	(304)								(304)	304
Redeemable noncontrolling interests, other										34
Stockholders' Equity, Other	2,553	2,553			2,553				0
Redeemable noncontrolling interests, balance at Mar. 31, 2013	59,254									59,254
Balance at Mar. 31, 2013	$ 1,686,490	$ 1,636,519	$ 251	$ 16	$ 11,606,585	$ (264,882)	$ (44,096)	$ (9,661,355)	$ 49,971
Balance (in shares) at Mar. 31, 2013			250,982	16,157

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CONSOLIDATED BALANCE SHEET (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2011
Accounts receivable, allowance (in dollars)	$ 8,908	$ 11,088
Treasury stock, shares	183,460,119	182,878,295
Common Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	1,600,000,000	1,600,000,000
Common stock, issued shares	250,982,079	250,982,079
Common stock, outstanding shares	77,889,960	78,471,784
Class B Convertible Common Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares	400,000,000	400,000,000
Common stock, issued shares	16,157,499	16,157,499
Common stock, outstanding shares	5,789,499	5,789,499

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EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

EARNINGS PER SHARE

EARNINGS PER SHARE

The following table sets forth the computation of basic and diluted earnings per share attributable to IAC shareholders.

	Three Months Ended March 31,
	2013						2012
	Basic			Diluted			Basic			Diluted
	(In thousands, except per share data)
Numerator:
Earnings from continuing operations	$	52,709		$	52,709		$	31,153		$	31,153
Net loss (earnings) attributable to noncontrolling interests	1,872			1,872			(359		)	(359		)
Earnings from continuing operations attributable to IAC shareholders	54,581			54,581			30,794			30,794
(Loss) earnings from discontinued operations attributable to IAC shareholders	(944		)	(944		)	3,684			3,684
Net earnings attributable to IAC shareholders	$	53,637		$	53,637		$	34,478		$	34,478
Denominator:
Weighted average basic shares outstanding	84,218			84,218			82,801			82,801
Dilutive securities including stock options, warrants and RSUs(a)(b)	—			3,162			—			8,917
Denominator for earnings per share—weighted average shares(a)(b)	84,218			87,380			82,801			91,718
Earnings (loss) per share attributable to IAC shareholders:
Earnings per share from continuing operations	$	0.65		$	0.62		$	0.37		$	0.34
Discontinued operations	(0.01		)	(0.01		)	0.05			0.04
Earnings per share	$	0.64		$	0.61		$	0.42		$	0.38

____________________________________________

(a) If the effect is dilutive, weighted average common shares outstanding include the incremental shares that would be issued upon the assumed exercise of stock options and warrants and vesting of restricted stock units ("RSUs") and performance-based stock units ("PSUs"). As of May 8, 2012, there are no warrants outstanding. For the three months ended March 31, 2013 and 2012, approximately 3.4 million and 2.7 million shares, respectively, related to potentially dilutive securities are excluded from the calculation of diluted earnings per share because their inclusion would have been anti-dilutive.

(b) At March 31, 2013, there were approximately 0.1 million PSUs included in the calculation of diluted earnings per share, as their performance conditions have been met. Prior to September 30, 2012, no PSUs were included in diluted earnings per share. For the three months ended March 31, 2013 and 2012, approximately 0.1 million and 3.1 million PSUs are excluded from the calculation of diluted earnings per share.

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Document and Entity Information	3 Months Ended
	Mar. 31, 2013	Apr. 26, 2013 Common Stock	Apr. 26, 2013 Class B Convertible Common Stock
Entity Registrant Name	IAC/INTERACTIVECORP
Entity Central Index Key	0000891103
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding		77,930,674	5,789,499

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SEGMENT INFORMATION

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

SEGMENT INFORMATION

SEGMENT INFORMATION

The overall concept that IAC employs in determining its operating segments is to present the financial information in a manner consistent with how the chief operating decision maker and executive management view the businesses, how the businesses are organized as to segment management, and the focus of the businesses with regards to the types of services or products offered or the target market. Operating segments are combined for reporting purposes if they meet certain aggregation criteria, which principally relate to the similarity of their economic characteristics or, in the case of Other, do not meet the quantitative thresholds that require separate presentation as separate operating segments.

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Revenue:
Search & Applications	$	397,192		$	343,198
Match	188,862			174,275
Local	74,945			77,119
Media	45,315			15,911
Other	36,045			30,206
Inter-segment elimination	(110		)	(109		)
Total	$	742,249		$	640,600

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Operating Income (Loss):
Search & Applications	$	86,983		$	73,490
Match	40,959			29,906
Local	(3,403		)	3,789
Media	(8,828		)	(6,669		)
Other	(3,222		)	(1,714		)
Corporate	(27,938		)	(36,037		)
Total	$	84,551		$	62,765

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Operating Income Before Amortization:
Search & Applications	$	93,649		$	73,500
Match	46,303			37,328
Local	(1,001		)	3,950
Media	(8,374		)	(6,401		)
Other	(2,499		)	(1,398		)
Corporate	(15,328		)	(15,707		)
Total	$	112,750		$	91,272

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Depreciation:
Search & Applications	$	3,865	$	3,291
Match	4,677		3,537
Local	2,346		2,801
Media	523		179
Other	302		244
Corporate	2,303		2,063
Total	$	14,016	$	12,115

Revenue by geography is based on where the customer is located. Geographic information about revenue and long-lived assets is presented below:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Revenue:
United States	$	514,614	$	445,660
All other countries	227,635		194,940
Total	$	742,249	$	640,600

	March 31, 2013		December 31, 2012
	(In thousands)
Long-lived assets (excluding goodwill and intangible assets):
United States	$	271,502	$	251,379
All other countries	21,780		19,133
Total	$	293,282	$	270,512

The Company's primary metric is Operating Income Before Amortization, which is defined as operating income excluding, if applicable: (1) non-cash compensation expense, (2) amortization and impairment of intangibles, (3) goodwill impairment, (4) acquisition-related contingent consideration fair value adjustments and (5) one-time items. The Company believes this measure is useful to investors because it represents the consolidated operating results from IAC's segments, taking into account depreciation, which it believes is an ongoing cost of doing business, but excluding the effects of any other non-cash expenses. Operating Income Before Amortization has certain limitations in that it does not take into account the impact to IAC's statement of operations of certain expenses, including non-cash compensation and acquisition related accounting. IAC endeavors to compensate for the limitations of the non-U.S. GAAP measure presented by providing the comparable U.S. GAAP measure with equal or greater prominence, financial statements prepared in accordance with U.S. GAAP, and descriptions of the reconciling items, including quantifying such items, to derive the non-U.S. GAAP measure.

The following tables reconcile Operating Income Before Amortization to operating income (loss) for the Company's reportable segments:

	Three Months Ended March 31, 2013
	Operating Income Before Amortization			Non-Cash Compensation Expense			Amortization of Intangibles			Acquisition-related Contingent Consideration Fair Value Adjustment			Operating Income (Loss)
	(In thousands)
Search & Applications	$	93,649		$	(3	)	$	(6,663	)	$	—		$	86,983
Match	46,303			157			(4,043		)	(1,458		)	40,959
Local	(1,001		)	—			(2,402		)	—			(3,403		)
Media	(8,374		)	(205		)	(249		)	—			(8,828		)
Other	(2,499		)	(2		)	(721		)	—			(3,222		)
Corporate	(15,328		)	(12,610		)	—			—			(27,938		)
Total	$	112,750		$	(12,663	)	$	(14,078	)	$	(1,458	)	$	84,551

	Three Months Ended March 31, 2012
	Operating Income Before Amortization			Non-Cash Compensation Expense			Amortization of Intangibles			Operating Income (Loss)
	(In thousands)
Search & Applications	$	73,500		$	(8	)	$	(2	)	$	73,490
Match	37,328			(907		)	(6,515		)	29,906
Local	3,950			—			(161		)	3,789
Media	(6,401		)	(268		)	—			(6,669		)
Other	(1,398		)	47			(363		)	(1,714		)
Corporate	(15,707		)	(20,330		)	—			(36,037		)
Total	$	91,272		$	(21,466	)	$	(7,041	)	$	62,765

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CONSOLIDATED STATEMENT OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue	$ 742,249	$ 640,600
Costs and expenses:
Cost of revenue (exclusive of depreciation shown separately below)	255,082	223,571
Selling and marketing expense	242,914	219,838
General and administrative expense	98,026	91,788
Product development expense	33,582	23,482
Depreciation	14,016	12,115
Amortization of intangibles	14,078	7,041
Total costs and expenses	657,698	577,835
Operating income	84,551	62,765
Equity in losses of unconsolidated affiliates	(91)	(5,901)
Interest expense	(7,663)	(1,347)
Other income, net	1,658	2,756
Earnings from continuing operations before income taxes	78,455	58,273
Income tax provision	(25,746)	(27,120)
Earnings from continuing operations	52,709	31,153
(Loss) earnings from discontinued operations, net of tax	(944)	3,684
Net earnings	51,765	34,837
Net loss (earnings) attributable to noncontrolling interests	1,872	(359)
Net earnings attributable to IAC shareholders	53,637	34,478
Per share information attributable to IAC shareholders:
Basic earnings per share from continuing operations (in dollars per share)	$ 0.65	$ 0.37
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.62	$ 0.34
Basic earnings per share (in dollars per share)	$ 0.64	$ 0.42
Diluted earnings per share (in dollars per share)	$ 0.61	$ 0.38
Dividends declared per share (in dollars per share)	$ 0.24	$ 0.12
Non-cash compensation expense by function:
Total non-cash compensation expense	12,663	21,466
Cost of revenue
Non-cash compensation expense by function:
Total non-cash compensation expense	620	1,724
Selling and marketing expense
Non-cash compensation expense by function:
Total non-cash compensation expense	386	1,122
General and administrative expense
Non-cash compensation expense by function:
Total non-cash compensation expense	10,780	17,117
Product development expense
Non-cash compensation expense by function:
Total non-cash compensation expense	$ 877	$ 1,503

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MARKETABLE SECURITIES

3 Months Ended

Mar. 31, 2013

Marketable Securities [Abstract]

MARKETABLE SECURITIES

MARKETABLE SECURITIES

At March 31, 2013, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt security	$	1,007	$	14	$	—	$	1,021
Total debt security	1,007		14		—		1,021
Equity security	—		4,793		—		4,793
Total marketable securities	$	1,007	$	4,807	$	—	$	5,814

At December 31, 2012, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt securities	$	13,608	$	19	$	—	$	13,627
Total debt securities	13,608		19		—		13,627
Equity security	—		6,977		—		6,977
Total marketable securities	$	13,608	$	6,996	$	—	$	20,604

The net unrealized gains in the tables above are included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet.

The contractual maturity of the debt security classified as available-for-sale at March 31, 2013 is as follows:

	Amortized Cost		Estimated Fair Value
	(In thousands)
Due after one year through two years	$	1,007	$	1,021
Total	$	1,007	$	1,021

At March 31, 2013 and December 31, 2012, there are no investments in current available-for-sale marketable securities that are in an unrealized loss position.

The following table presents the proceeds from maturities and sales of current and non-current available-for-sale marketable securities and the related gross realized gains and losses:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Proceeds from maturities and sales of available-for-sale marketable securities	$	12,500	$	26,401
Gross realized gains	—		1,783
Gross realized losses	—		—

Gross realized gains and losses from the maturities and sales of available-for-sale marketable securities are included in "Other income, net" in the accompanying consolidated statement of operations.

The specific-identification method is used to determine the cost of securities sold and the amount of unrealized gains and losses reclassified out of accumulated other comprehensive income into earnings.

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BUSINESS COMBINATION

3 Months Ended

Mar. 31, 2013

Business Combinations [Abstract]

BUSINESS COMBINATION

BUSINESS COMBINATIONS

Acquisition of Twoo

On January 4, 2013, Meetic S.A, a Match subsidiary, purchased all the outstanding shares of Massive Media NV, which operates Twoo, a social discovery website that allows its users to meet new people. The purchase price was $25.0 million in cash, plus potential additional consideration of up to €83.2 million (or $108.0 million using the March 31, 2013 exchange rate) that is contingent upon a combination of earnings performance and user growth through December 31, 2015. The fair value of the contingent consideration arrangement at the acquisition date was $40.8 million. See Note 5 for additional information related to the fair value measurement of the contingent consideration arrangement.

Acquisition of About, Inc.

On September 24, 2012, IAC completed its purchase of all the outstanding shares of About, Inc. (“The About Group”), an online content and reference library offering expert, quality content across 90,000 topics. The purchase price was $300 million in cash, plus an amount equal to the net working capital of $17.1 million at closing. The financial results of The About Group are included in IAC's consolidated financial statements, within the Search & Applications segment, beginning October 1, 2012.

The unaudited pro forma financial information in the table below summarizes the combined results of IAC and The About Group as if the acquisition of The About Group had occurred on January 1, 2012. The pro forma financial information includes adjustments required under the acquisition method of accounting and is presented for informational purposes only and is not necessarily indicative of what the results would have been had the acquisition occurred on January 1, 2012. For the three months endedMarch 31, 2012, pro forma adjustments reflected below include an increase of $5.0 million in amortization of intangible assets.

	Three Months Ended March 31, 2012
	(In thousands, except per share data)
Revenue	$	664,545
Net earnings attributable to IAC shareholders	$	35,691
Basic earnings per share attributable to IAC shareholders	$	0.43
Diluted earnings per share attributable to IAC shareholders	$	0.39

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THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Accounting Estimates

Accounting Estimates

The preparation of consolidated financial statements in accordance with U.S. GAAP requires management to make certain estimates, judgments and assumptions that impact the reported amounts of assets, liabilities, revenue and expenses and the related disclosure of contingent assets and liabilities. Actual results could differ from those estimates. On an ongoing basis, the Company evaluates its estimates and judgments including those related to: the fair values of marketable securities and other investments; the recoverability of goodwill and indefinite-lived intangible assets; the useful lives and recovery of definite-lived intangible assets and property and equipment; the carrying value of accounts receivable, including the determination of the allowance for doubtful accounts and revenue reserves; the fair value of acquisition-related contingent consideration; the reserves for income tax contingencies; the valuation allowance for deferred income tax assets; and the fair value of and forfeiture rates for stock-based awards, among others. The Company bases its estimates and judgments on historical experience, its forecasts and budgets and other factors that the Company considers relevant.

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CONSOLIDATED FINANCIAL STATEMENT DETAILS

3 Months Ended

Mar. 31, 2013

CONSOLIDATED FINANCIAL STATEMENT DETAILS

CONSOLIDATED FINANCIAL STATEMENT DETAILS

CONSOLIDATED FINANCIAL STATEMENT DETAILS

	March 31, 2013			December 31, 2012
	(In thousands)
Property and equipment, net:
Buildings and leasehold improvements	$	245,639		$	238,652
Computer equipment and capitalized software	207,543			197,402
Furniture and other equipment	44,253			42,949
Projects in progress	36,189			19,303
Land	5,117			5,117
	538,741			503,423
Accumulated depreciation and amortization	(245,459		)	(232,911		)
Property and equipment, net	$	293,282		$	270,512

	Three Months Ended March 31,
	2013			2012
	(In thousands)
Other income, net:
Interest income	$	474		$	886
Foreign currency exchange gains	1,364			348
Gain on sales of investments	147			1,764
Other	(327		)	(242		)
Other income, net	$	1,658		$	2,756

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LONG-TERM DEBT

3 Months Ended

Mar. 31, 2013

Debt Disclosure [Abstract]

LONG-TERM DEBT

LONG-TERM DEBT

The balance of long-term debt is comprised of:

	March 31, 2013		December 31, 2012
	(In thousands)
7.00% Senior Notes due January 15, 2013 (the "2002 Senior Notes"); interest payable each January 15 and July 15 which commenced July 15, 2003	$	—	$	15,844
4.75% Senior Notes due December 15, 2022 (the "2012 Senior Notes"); interest payable each June 15 and December 15 commencing June 15, 2013	500,000		500,000
5% New York City Industrial Development Agency Liberty Bonds due September 1, 2035; interest payable each March 1 and September 1 which commenced March 1, 2006	80,000		80,000
Total long-term debt	$	580,000	595,844
Less current maturities	—		(15,844		)
Long-term debt, net of current maturities	$	580,000	$	580,000

On December 21, 2012, the Company issued $500.0 million aggregate principal amount of 4.75% Senior Notes due December 15, 2022 in a private offering. The 2012 Senior Notes were issued at par. Certain domestic subsidiaries have unconditionally guaranteed the 2012 Senior Notes. See Note 14 for guarantor and non-guarantor financial information.

On December 21, 2012, the Company entered into a $300.0 million revolving credit facility, which expires on December 21, 2017. The annual fee to maintain the revolving credit facility is 25 basis points. At March 31, 2013, there are no outstanding borrowings under the revolving credit facility. IAC's obligation under the revolving credit facility is unconditionally guaranteed by certain domestic subsidiaries and is also secured by the stock of certain of our domestic and foreign subsidiaries.

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FAIR VALUE MEASUREMENTS

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS

The Company categorizes its assets and liabilities measured at fair value into a fair value hierarchy that prioritizes the inputs used in pricing the asset or liability. The three levels of the fair value hierarchy are:

• Level 1: Observable inputs obtained from independent sources, such as quoted prices for identical assets and liabilities in active markets.

• Level 2: Other inputs that are observable directly or indirectly, such as quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active and inputs that are derived principally from or corroborated by observable market data. The fair value of the Company's Level 2 financial assets are primarily obtained from observable market prices for identical underlying securities that may not be actively traded. Certain of these securities may have different market prices from multiple market data sources, in which case an average market price is used.

• Level 3: Unobservable inputs for which there is little or no market data and require the Company to develop its own assumptions, based on the best information available in the circumstances, about the assumptions market participants would use in pricing the assets or liabilities. See below for a discussion of fair value measurements made using Level 3 inputs.

The following tables present the Company's assets and liabilities that are measured at fair value on a recurring basis:

	March 31, 2013
	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Total Fair Value Measurements
	(In thousands)
Assets:
Cash equivalents:
Money market funds	$	373,770	$	—	$	—		$	373,770
Commercial paper	—		89,987		—			89,987
Time deposits	—		93,843		—			93,843
Marketable securities:
Corporate debt security	—		1,021		—			1,021
Equity security	4,793		—		—			4,793
Long-term investments:
Auction rate security	—		—		8,580			8,580
Marketable equity securities	27,152		—		—			27,152
Total	$	405,715	$	184,851	$	8,580		$	599,146
Liabilities:
Contingent consideration arrangement	$	—	$	—	$	(42,295	)	$	(42,295	)

	December 31, 2012
	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
	(In thousands)
Assets:
Cash equivalents:
Money market funds	$	545,290	$	—	$	—	$	545,290
Time deposits	—		11,994		—		11,994
Marketable securities:
Corporate debt securities	—		13,627		—		13,627
Equity security	6,977		—		—		6,977
Long-term investments:
Auction rate security	—		—		8,100		8,100
Marketable equity securities	31,244		—		—		31,244
Total	$	583,511	$	25,621	$	8,100	$	617,232

The following table presents the changes in the Company's assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended March 31,
	2013					2012
	Auction Rate Security		Contingent Consideration Arrangement			Auction Rate Security		Contingent Consideration Arrangement
	(In thousands)
Balance at January 1	$	8,100	$	—		$	5,870	$	(10,000	)
Total net gains (losses) (unrealized):
Included in earnings	—		(1,458		)	—		—
Included in other comprehensive income	480		—			1,850		—
Fair value at date of acquisition	—		(40,837		)	—		—
Settlements	—		—			—		10,000
Balance at March 31	$	8,580	$	(42,295	)	$	7,720	$	—

There are no gains or losses included in earnings for the three months ended March 31, 2012 relating to the Company's assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs.

Auction rate security

The Company's auction rate security is valued by discounting the estimated future cash flow streams of the security over the life of the security. Credit spreads and other risk factors are also considered in establishing fair value. The cost basis of the auction rate security is $10.0 million, with gross unrealized losses of $1.4 million and $1.9 million at March 31, 2013 and December 31, 2012, respectively. The unrealized losses are included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet. At March 31, 2013, the auction rate security is rated A-/WR and matures in 2035. The Company does not consider the auction rate security to be other-than-temporarily impaired at March 31, 2013, due to its high credit rating and because the Company does not intend to sell this security, and it is not more likely than not that the Company will be required to sell this security, before the recovery of its amortized cost basis, which may be maturity.

Contingent Consideration Arrangement

The contingent consideration arrangement arose from the acquisition of Twoo in the first quarter of 2013 (see Note 3 for additional information). The fair value of the contingent consideration arrangement was determined using a probability-weighted analysis, and reflects a discount rate of 15%, which captures the risks associated with the obligation. The probability-weighted analysis consists of the Company's multi-scenario forecasts of Twoo's earnings and the number of users of Twoo.com in accordance with the contingent consideration arrangement through December 31, 2015, and the Company's estimate of the probability of each scenario occurring. These multi-scenario forecasts and related probability assessments were based primarily on management's internal projections and strategic plans, with limited additional consideration given to growth trends of similarly situated businesses. The fair value of the contingent consideration arrangement is sensitive to changes in the discount rate and changes in the forecasts of earnings and website users. The Company will remeasure the fair value of the contingent consideration arrangement each reporting period, and changes will be recognized in “General and administrative expense” in the Company's consolidated statement of operations. During the first quarter of 2013, the fair value of the contingent consideration arrangement increased by $1.5 million due to interest accretion. The contingent consideration arrangement liability at March 31, 2013 includes a current portion of $1.3 million and non-current portion of $41.0 million, which are included in “Accrued expenses and other current liabilities” and “Other long-term liabilities,” respectively, in the accompanying consolidated balance sheet.

Assets measured at fair value on a nonrecurring basis

The Company's non-financial assets, such as goodwill, intangible assets and property and equipment, as well as equity and cost method investments, are adjusted to fair value only when an impairment charge is recognized. Such fair value measurements are based predominantly on Level 3 inputs.

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FINANCIAL INSTRUMENTS

3 Months Ended

Mar. 31, 2013

Financial Instruments, Owned, at Fair Value [Abstract]

FINANCIAL INSTRUMENTS

FINANCIAL INSTRUMENTS

The fair value of the financial instruments listed below have been determined by the Company using available market information and appropriate valuation methodologies.

	March 31, 2013						December 31, 2012
	Carrying Value			Fair Value			Carrying Value			Fair Value
	(In thousands)
Assets:
Cash and cash equivalents	$	673,757		$	673,757		$	749,977		$	749,977
Marketable securities	5,814			5,814			20,604			20,604
Long-term marketable equity securities	27,152			27,152			31,244			31,244
Liabilities:
Current maturities of long-term debt	$	—		$	—		$	(15,844	)	$	(15,875	)
Contingent consideration arrangement	(42,295		)	(42,295		)	—			—
Long-term debt, net of current maturities	(580,000		)	(572,784		)	(580,000		)	(581,994		)

The carrying value of cash equivalents approximates fair value due to their short-term maturity. The fair value of long-term debt, including current maturities, is estimated using quoted market prices or indices for similar liabilities and taking into consideration other factors such as credit quality and maturity. See Note 5 for information on the fair value of marketable securities and the fair value of the contingent consideration arrangement. The fair value of long-term debt, including current maturities, is determined only for disclosure purposes and is based on Level 3 inputs.

The cost basis of the Company's long-term marketable equity securities at March 31, 2013 and December 31, 2012 is $42.1 million, with gross unrealized losses of $14.9 million and $10.8 million, respectively, included in "Accumulated other comprehensive loss" in the accompanying consolidated balance sheet. At March 31, 2013, the Company's long-term marketable equity securities are both in an unrealized loss position. The Company evaluated the near term prospects of the issuers in relation to the severity and duration of the unrealized losses and based on that evaluation and the Company's ability and intent to hold these securities for a reasonable period of time sufficient for an expected recovery of fair value, the Company does not consider these securities to be other-than-temporarily impaired at March 31, 2013.

At March 31, 2013 and December 31, 2012, the carrying values of the Company's investments accounted for under the cost method totaled $114.3 million and $113.8 million, respectively, and are included in "Long-term investments" in the accompanying consolidated balance sheet. The Company evaluates each cost method investment for possible impairment on a quarterly basis and determines the fair value if indicators of impairment are deemed to be present; the Company recognizes an impairment loss if a decline in value is determined to be other-than-temporary. If the Company has not identified events or changes in circumstances that may have a significant adverse effect on the fair value of a cost method investment, then the fair value of such cost method investment is not estimated, as it is impracticable to do so.

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ACCUMULATED OTHER COMPREHENSIVE LOSS

3 Months Ended

Mar. 31, 2013

Equity [Abstract]

ACCUMULATED OTHER COMPREHENSIVE LOSS

ACCUMULATED OTHER COMPREHENSIVE LOSS

The following table presents items reclassified out of accumulated other comprehensive loss into earnings:

	Foreign Currency Translation Adjustment			Unrealized Losses On Available-For-Sale Securities			Accumulated Other Comprehensive Loss
	(In thousands)
Balance as of December 31, 2012	$	(25,073	)	$	(7,096	)	$	(32,169	)
Other comprehensive loss before reclassifications	(6,951		)	(4,975		)	(11,926		)
Amounts reclassified from accumulated other comprehensive loss	—			(1		)	(1		)
Net current period other comprehensive loss	(6,951		)	(4,976		)	(11,927		)
Balance as of March 31, 2013	$	(32,024	)	$	(12,072	)	$	(44,096	)

Unrealized gains, net of tax, reclassified out of accumulated other comprehensive loss related to the maturities and sales of available-for-sale securities are included in "Other income, net" in the accompanying consolidated statement of operations. Unrealized gains, net of tax, reclassified out of accumulated other comprehensive loss into other (expense) income, net for the three months endedMarch 31, 2012 was less than $0.1 million.

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THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Revenue from major customers
Minimum number of brands owned by the company	150
More than 1 billion monthly visits to company website	1,000,000,000
Number of countries where the company has consumer audiences	30
Accounts receivable, net of allowance of $8,908 and $11,088, respectively	$ 235,181,000		$ 229,830,000
Google Inc.
Revenue from major customers
Revenue earned	376,100,000	328,900,000
Accounts receivable, net of allowance of $8,908 and $11,088, respectively	$ 137,000,000		$ 125,300,000

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GUARANTOR AND NON-GUARANTOR FINANCIAL INFORMATION (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Dec. 21, 2012	Mar. 31, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 673,757	$ 749,977		$ 624,096	$ 704,153
Marketable securities	5,814	20,604
Accounts receivable, net	235,181	229,830
Other current assets	140,930	156,339
Property and equipment, net	293,282	270,512
Goodwill	1,674,220	1,616,154
Intangible assets, net	478,784	482,904
Other non-current assets	120,528	118,230
TOTAL ASSETS	3,780,246	3,805,828
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable, trade	78,168	98,314
Long-term debt, net of current maturities	580,000	580,000	580,000
Income taxes payable	481,908	479,945
Other long-term liabilities	66,405	31,830
Redeemable noncontrolling interests	59,254	58,126
IAC shareholders' equity	1,636,519	1,655,728
Noncontrolling interests	49,971	51,907
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,780,246	3,805,828
IAC
ASSETS
Cash and cash equivalents	430,356	501,075		447,293	545,222
Marketable securities	5,814
Accounts receivable, net	35
Other current assets	26,558
Intercompany receivables	0
Property and equipment, net	4,053
Goodwill	0
Intangible assets, net	0
Investment in subsidiaries	4,463,712
Other non-current assets	322,411
TOTAL ASSETS	5,252,939
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable, trade	3,983
Other Liabilities, Current	33,262
Long-term debt, net of current maturities	500,000
Income taxes payable	439,991
Intercompany liabilities	2,638,794
Other long-term liabilities	390
Redeemable noncontrolling interests	0
IAC shareholders' equity	1,636,519
Noncontrolling interests	0
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	5,252,939
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	0	0		0	0
Marketable securities	0
Accounts receivable, net	148,666
Other current assets	60,849
Intercompany receivables	536,367
Property and equipment, net	178,444
Goodwill	1,189,864
Intangible assets, net	331,408
Investment in subsidiaries	674,547
Other non-current assets	16,895
TOTAL ASSETS	3,137,040
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable, trade	42,672
Other Liabilities, Current	245,294
Long-term debt, net of current maturities	80,000
Income taxes payable	25,554
Intercompany liabilities	0
Other long-term liabilities	90,425
Redeemable noncontrolling interests	1,379
IAC shareholders' equity	2,651,716
Noncontrolling interests	0
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,137,040
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	243,401	248,902		176,803	158,931
Marketable securities	0
Accounts receivable, net	86,480
Other current assets	55,106
Intercompany receivables	1,790,850
Property and equipment, net	110,785
Goodwill	484,356
Intangible assets, net	147,376
Investment in subsidiaries	0
Other non-current assets	111,812
TOTAL ASSETS	3,030,166
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable, trade	31,513
Other Liabilities, Current	236,232
Long-term debt, net of current maturities	0
Income taxes payable	12,407
Intercompany liabilities	(311,577)
Other long-term liabilities	467,202
Redeemable noncontrolling interests	57,875
IAC shareholders' equity	2,486,543
Noncontrolling interests	49,971
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	3,030,166
Total Eliminations
ASSETS
Cash and cash equivalents	0	0		0	0
Marketable securities	0
Accounts receivable, net	0
Other current assets	(1,583)
Intercompany receivables	(2,327,217)
Property and equipment, net	0
Goodwill	0
Intangible assets, net	0
Investment in subsidiaries	(5,138,259)
Other non-current assets	(172,840)
TOTAL ASSETS	(7,639,899)
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable, trade	0
Other Liabilities, Current	(1,517)
Long-term debt, net of current maturities	0
Income taxes payable	3,956
Intercompany liabilities	(2,327,217)
Other long-term liabilities	(176,862)
Redeemable noncontrolling interests	0
IAC shareholders' equity	(5,138,259)
Noncontrolling interests	0
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	(7,639,899)
IAC Consolidated
ASSETS
Cash and cash equivalents	673,757	749,977		624,096	704,153
Marketable securities	5,814
Accounts receivable, net	235,181
Other current assets	140,930
Intercompany receivables	0
Property and equipment, net	293,282
Goodwill	1,674,220
Intangible assets, net	478,784
Investment in subsidiaries	0
Other non-current assets	278,278
TOTAL ASSETS	3,780,246
LIABILITIES AND SHAREHOLDERS' EQUITY
Accounts payable, trade	78,168
Other Liabilities, Current	513,271
Long-term debt, net of current maturities	580,000
Income taxes payable	481,908
Intercompany liabilities	0
Other long-term liabilities	381,155
Redeemable noncontrolling interests	59,254
IAC shareholders' equity	1,636,519
Noncontrolling interests	49,971
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 3,780,246

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CONTINGENCIES

3 Months Ended

Mar. 31, 2013

Loss Contingency [Abstract]

CONTINGENCIES

CONTINGENCIES

In the ordinary course of business, the Company is a party to various lawsuits. The Company establishes reserves for specific legal matters when it determines that the likelihood of an unfavorable outcome is probable and the loss is reasonably estimable. Management has also identified certain other legal matters where we believe an unfavorable outcome is not probable and, therefore, no reserve is established. Although management currently believes that resolving claims against us, including claims where an unfavorable outcome is reasonably possible, will not have a material impact on the liquidity, results of operations, or financial condition of the Company, these matters are subject to inherent uncertainties and management's view of these matters may change in the future. The Company also evaluates other contingent matters, including income and non-income tax contingencies, to assess the likelihood of an unfavorable outcome and estimated extent of potential loss. It is possible that an unfavorable outcome of one or more of these lawsuits or other contingencies could have a material impact on the liquidity, results of operations, or financial condition of the Company. See Note 2 for additional information related to income tax contingencies.

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FAIR VALUE MEASUREMENTS (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities measured at fair value on a recurring basis

The following tables present the Company's assets and liabilities that are measured at fair value on a recurring basis:

	March 31, 2013
	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)			Total Fair Value Measurements
	(In thousands)
Assets:
Cash equivalents:
Money market funds	$	373,770	$	—	$	—		$	373,770
Commercial paper	—		89,987		—			89,987
Time deposits	—		93,843		—			93,843
Marketable securities:
Corporate debt security	—		1,021		—			1,021
Equity security	4,793		—		—			4,793
Long-term investments:
Auction rate security	—		—		8,580			8,580
Marketable equity securities	27,152		—		—			27,152
Total	$	405,715	$	184,851	$	8,580		$	599,146
Liabilities:
Contingent consideration arrangement	$	—	$	—	$	(42,295	)	$	(42,295	)

	December 31, 2012
	Quoted Market Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value Measurements
	(In thousands)
Assets:
Cash equivalents:
Money market funds	$	545,290	$	—	$	—	$	545,290
Time deposits	—		11,994		—		11,994
Marketable securities:
Corporate debt securities	—		13,627		—		13,627
Equity security	6,977		—		—		6,977
Long-term investments:
Auction rate security	—		—		8,100		8,100
Marketable equity securities	31,244		—		—		31,244
Total	$	583,511	$	25,621	$	8,100	$	617,232

Schedule of changes in assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3)

The following table presents the changes in the Company's assets and liabilities that are measured at fair value on a recurring basis using significant unobservable inputs (Level 3):

	Three Months Ended March 31,
	2013					2012
	Auction Rate Security		Contingent Consideration Arrangement			Auction Rate Security		Contingent Consideration Arrangement
	(In thousands)
Balance at January 1	$	8,100	$	—		$	5,870	$	(10,000	)
Total net gains (losses) (unrealized):
Included in earnings	—		(1,458		)	—		—
Included in other comprehensive income	480		—			1,850		—
Fair value at date of acquisition	—		(40,837		)	—		—
Settlements	—		—			—		10,000
Balance at March 31	$	8,580	$	(42,295	)	$	7,720	$	—

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CONSOLIDATED FINANCIAL STATEMENT DETAILS (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Other income, net:
Interest income	$ 474	$ 886
Foreign currency exchange gains	1,364	348
Gain on sales of investments	147	1,764
Other	(327)	(242)
Other income, net	$ 1,658	$ 2,756

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FINANCIAL INSTRUMENTS (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Dec. 21, 2012
Assets:
Marketable securities	$ 5,814,000	$ 20,604,000
Liabilities:
Current maturities of long-term debt	0	(15,844,000)	(15,844,000)
Long-term debt, net of current maturities	(580,000,000)	(580,000,000)	(580,000,000)
Long-term marketable equity securities
Gross unrealized losses	0	0
Carrying values of investments accounted for under cost method	114,300,000	113,800,000
Long-term marketable equity securities
Long-term marketable equity securities
Cost basis	42,100,000	42,100,000
Gross unrealized losses	14,900,000	10,800,000
Carrying Value
Assets:
Cash and cash equivalents	673,757,000	749,977,000
Marketable securities	5,814,000	20,604,000
Liabilities:
Current maturities of long-term debt	0	(15,844,000)
Fair value of contingent consideration arrangement	42,295,000
Long-term debt, net of current maturities	(580,000,000)	(580,000,000)
Carrying Value | Long-term marketable equity securities
Assets:
Long-term investments	27,152,000	31,244,000
Fair Value
Assets:
Cash and cash equivalents	673,757,000	749,977,000
Marketable securities	5,814,000	20,604,000
Liabilities:
Current maturities of long-term debt	0	(15,875,000)
Fair value of contingent consideration arrangement	42,295,000
Long-term debt, net of current maturities	(572,784,000)	(581,994,000)
Fair Value | Long-term marketable equity securities
Assets:
Long-term investments	$ 27,152,000	$ 31,244,000

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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Statement of Other Comprehensive Income [Abstract]
Net earnings	$ 51,765	$ 34,837
Other comprehensive (loss) income, net of tax:
Change in foreign currency translation adjustment	(8,423)	7,085
Change in net unrealized (losses) gains on available-for-sale securities (net of tax benefit of $824 in 2013 and tax provision of $12,579 in 2012)	(4,976)	24,724
Net current period other comprehensive loss	(13,399)	31,809
Comprehensive income	38,366	66,646
Comprehensive loss (income) attributable to noncontrolling interests	3,344	(1,272)
Comprehensive income attributable to IAC shareholders	$ 41,710	$ 65,374

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INCOME TAXES

3 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

At the end of each interim period, the Company makes its best estimate of the annual expected effective income tax rate and applies that rate to its ordinary year-to-date earnings or loss. The income tax provision or benefit related to significant, unusual, or extraordinary items, if applicable, that will be separately reported or reported net of their related tax effects are individually computed and recognized in the interim period in which those items occur. In addition, the effect of changes in enacted tax laws or rates, tax status, judgment on the realizability of a beginning-of-the-year deferred tax asset in future years or income tax contingencies is recognized in the interim period in which the change occurs.

The computation of the annual expected effective income tax rate at each interim period requires certain estimates and assumptions including, but not limited to, the expected pre-tax income (or loss) for the year, projections of the proportion of income (and/or loss) earned and taxed in foreign jurisdictions, permanent and temporary differences, and the likelihood of the realizability of deferred tax assets generated in the current year. The accounting estimates used to compute the provision or benefit for income taxes may change as new events occur, more experience is acquired, additional information is obtained or our tax environment changes. To the extent that the expected annual effective income tax rate changes during a quarter, the effect of the change on prior quarters is included in income tax provision in the quarter in which the change occurs.

For the three months ended March 31, 2013, the Company recorded an income tax provision for continuing operations of $25.7 million, which represents an effective income tax rate of 33%. The effective rate for the three months endedMarch 31, 2013 is lower than the statutory rate of 35% due primarily to foreign income taxed at lower rates and research credits, partially offset by state taxes. For the three months endedMarch 31, 2012, the Company recorded an income tax provision for continuing operations of $27.1 million, which represents an effective income tax rate of 47%. The effective rate for the three months endedMarch 31, 2012 is higher than the statutory rate of 35% due principally to an increase in reserves for and interest on reserves for income tax contingencies and state taxes, partially offset by foreign income taxed at lower rates.

At March 31, 2013 and December 31, 2012, unrecognized tax benefits, including interest, are $497.8 million and $496.8 million, respectively. Unrecognized tax benefits, including interest, for the three months endedMarch 31, 2013 increased by $1.0 million due principally to interest, partially offset by a net decrease in deductible timing differences. Of the total unrecognized tax benefits at March 31, 2013, $469.8 million is included in "Income taxes payable," $15.0 million relates to deferred tax assets included in "Deferred income taxes" and $13.0 million is included in "Accrued expenses and other current liabilities" in the accompanying consolidated balance sheet. Included in unrecognized tax benefits at March 31, 2013 is $73.6 million relating to tax positions for which the ultimate deductibility is highly certain, but for which there is uncertainty about the timing of such deductibility. If unrecognized tax benefits at March 31, 2013 are subsequently recognized, $110.5 million and $223.3 million, net of related deferred tax assets and interest, would reduce income tax expense for continuing operations and discontinued operations, respectively.

The Company recognizes interest and, if applicable, penalties related to unrecognized tax benefits in income tax provision. Included in the income tax provision for continuing operations and discontinued operations for the three months endedMarch 31, 2013 is a $1.3 million and a $1.0 million expense, respectively, net of related deferred taxes, for interest on unrecognized tax benefits. At March 31, 2013 and December 31, 2012, the Company has accrued $120.9 million and $117.5 million, respectively, for the payment of interest. At March 31, 2013 and December 31, 2012, the Company has accrued $5.0 million for penalties.

The Company is routinely under audit by federal, state, local and foreign authorities in the area of income tax. These audits include questioning the timing and the amount of income and deductions and the allocation of income and deductions among various tax jurisdictions. The Internal Revenue Service ("IRS") has substantially completed its audit of the Company's tax returns for the years ended December 31, 2001 through 2009. The settlement of these tax years has not yet been submitted to the Joint Committee of Taxation for approval. The statute of limitations for the years 2001 through 2009 has been extended to June 30, 2014. Various state and local jurisdictions are currently under examination, the most significant of which are California, New York and New York City for various tax years beginning with 2006. Income taxes payable include reserves considered sufficient to pay assessments that may result from examination of prior year tax returns. Changes to reserves from period to period and differences between amounts paid, if any, upon resolution of issues raised in audits and amounts previously provided may be material. Differences between the reserves for income tax contingencies and the amounts owed by the Company are recorded in the period they become known. The Company believes that it is reasonably possible that its unrecognized tax benefits could decrease by $132.8 million within twelve months of the current reporting date, of which approximately $14.4 million could decrease income tax provision, primarily due to settlements, expirations of statutes of limitations, and the reversal of deductible temporary differences that will primarily result in a corresponding decrease in net deferred tax assets. An estimate of other changes in unrecognized tax benefits, while potentially significant, cannot be made.

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FINANCIAL INSTRUMENTS (Tables)

3 Months Ended

Mar. 31, 2013

Financial Instruments, Owned, at Fair Value [Abstract]

Schedule of fair values of the financial instruments

The fair value of the financial instruments listed below have been determined by the Company using available market information and appropriate valuation methodologies.

	March 31, 2013						December 31, 2012
	Carrying Value			Fair Value			Carrying Value			Fair Value
	(In thousands)
Assets:
Cash and cash equivalents	$	673,757		$	673,757		$	749,977		$	749,977
Marketable securities	5,814			5,814			20,604			20,604
Long-term marketable equity securities	27,152			27,152			31,244			31,244
Liabilities:
Current maturities of long-term debt	$	—		$	—		$	(15,844	)	$	(15,875	)
Contingent consideration arrangement	(42,295		)	(42,295		)	—			—
Long-term debt, net of current maturities	(580,000		)	(572,784		)	(580,000		)	(581,994		)

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MARKETABLE SECURITIES (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Proceeds from maturities and sales of current and non-current available-for-sale marketable securities and related gross realized gains and losses
Proceeds from maturities and sales of available-for-sale marketable securities	$ 12,500	$ 26,401
Gross realized gains	$ 0	$ 1,783

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SUPPLEMENTAL CASH FLOW INFORMATION SUPPLEMENTAL CASH FLOW INFORMATION

3 Months Ended

Mar. 31, 2013

Supplemental Cash Flow Information [Abstract]

SUPPLEMENTAL CASH FLOW INFORMATION

SUPPLEMENTAL CASH FLOW INFORMATION

The consideration for the acquisition of Twoo on January 4, 2013 includes a contingent consideration arrangement, which is described in Note 3 and Note 5.