UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2013

Commission File Number: 000-53445

KB Financial Group Inc.

(Translation of registrant’s name into English)

9-1, 2-ga, Namdaemoon-ro, Jung-gu, Seoul 100-703, Korea

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  x            Form 40-F  ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ¨

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ¨

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes  ¨             No  x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-N/A.

TABLE OF CONTENTS

1.	Introduction to the Company	4
1.1.	Business Purpose	4
1.2.	History	4
1.3.	Overview of the Business Group	5
1.4.	Capital Structure	6
1.5.	Dividends	7
2.	Business	8
2.1.	Results of Operations	8
2.2.	Sources and Uses of Funds	9
2.3.	Other Information to Consider in Making an Investment Decision	11
3.	Financial Information	12
3.1.	Separate Condensed Financial Information	12
3.2.	Consolidated Condensed Financial Information	14
3.3.	Other Selected Financial Data	16
3.4.	Other Financial Information	19
4.	Independent Public Accountants	20
4.1.	Audit / Review Services	20
4.2.	Non-Audit Services	20
5.	Corporate Governance and Affiliated Companies	21
5.1.	Board of Directors & Committees under the Board	21
5.2.	Audit Committee	21
5.3.	Compensation to Directors	22
5.4.	Affiliated Companies	23
6.	Directors, Senior Management and Employees	24
6.1.	Executive Directors	24
6.2.	Non-Standing Directors	24
6.3.	Non-Executive Directors	24
6.4.	Senior Management	25
6.5.	Employees	25
7.	Major Shareholders and Related Party Transactions	26
7.1.	Major Shareholders	26
7.2.	Changes in the Largest Shareholder	26
7.3.	Employee Stock Ownership Association	27
7.4.	Investments in Certain Affiliated Companies	27
7.5.	Related Party Transactions	28

Summary of Business Report for Fiscal Year 2012

On March 29, 2013, KB Financial Group Inc. (“KB Financial Group”) filed its business report for the fiscal year ended December 31, 2012 (the “Business Report”) with the Financial Services Commission of Korea and the Korea Exchange. This is a summary of the Business Report translated into English.

Except where indicated otherwise, financial information contained in this summary (and in the attached review report) have been prepared in accordance with the Korean equivalent of International Financial Reporting Standards (“K-IFRS”), which differ in certain important respects from generally accepted accounting principles in the United States.

All references to “KB Financial Group,” “we,” “us” or the “Company” are to KB Financial Group and, unless the context requires otherwise, its subsidiaries. In addition, all references to “Won” or “KRW” in this document are to the currency of the Republic of Korea.

1. Introduction to the Company

1.1. Business Purpose

KB Financial Group is a financial holding company that was established in September 2008. Its main business purpose is to hold shares in companies that are engaged in financial or related services, as well as govern and manage such companies. Its consolidated subsidiaries are primarily engaged in the banking business, as well as the credit card business, the financial investment business, the insurance business and other related businesses.

1.2. History

• September 26, 2008

Obtained final approval from the Financial Services Commission to establish a financial holding company

• September 29, 2008

Establishment of the Company through a comprehensive stock transfer and listing on the New York Stock Exchange

• October 10, 2008

Listing on the Korea Exchange

• October 20, 2008

The largest shareholder of the Company changed from the Korean National Pension Service to ING Bank N.V.

• October 31, 2008

The largest shareholder of the Company changed from ING Bank N.V. to the Korean National Pension Service

• May 4, 2009

Added Kookmin Bank Cambodia PLC as a second-tier subsidiary

• June 22, 2009

Added KB Life Insurance Co., Ltd., formerly a second-tier subsidiary, as a first-tier subsidiary

• September 28, 2009

Added Burrill-KB Life Sciences Fund as a second-tier subsidiary

• December 1, 2009

Added KB-Glenwood Private Equity Fund No.1 as a second-tier subsidiary

• January 22, 2010

The largest shareholder of the Company changed from the Korean National Pension Service to ING Bank N.V.

• July 6, 2010

Added KBIC No.3 PEF as a second-tier subsidiary

• December 13, 2010

Added KoFC KBIC Frontier Champ 2010-5 PEF as a second-tier subsidiary

4

• March 2, 2011

Added KB Kookmin Card Co., Ltd. as a first-tier subsidiary

• March 14, 2011

KB Futures Co., Ltd. was merged into KB Investment & Securities Co., Ltd.

• July 8, 2011

The largest shareholder of the Company changed from ING Bank N.V. to the Korean National Pension Service

• November 12, 2011

Closed KB Investment & Securities Hong Kong Ltd.

• January 13, 2012

Added KB Savings Bank Co., Ltd. as a first-tier subsidiary.

• May 11, 2012

Added KoFC POSCO HANWHA KB Shared Growth No. 2. Private Equity Fund as a second-tier subsidiary

• June 8, 2012

Liquidated Burrill-KB Life Sciences Fund Ltd.

• July 2, 2012

Added KoFC Value-up Private Equity Fund as a second-tier subsidiary

• October 10, 2012

Added Kookmin Bank (China) Limited as a second-tier subsidiary

1.3. Overview of the Business Group

		(As of December 31, 2012)
Type	Name of Company	Controlling Company	Remarks
Holding Company	KB Financial Group	—	Listed
1st Tier Subsidiaries	Kookmin Bank	KB Financial Group	Not listed
	KB Kookmin Card Co., Ltd.	KB Financial Group	Not listed
	KB Investment & Securities Co., Ltd.	KB Financial Group	Not listed
	KB Life Insurance Co., Ltd.	KB Financial Group	Not listed
	KB Asset Management Co., Ltd.	KB Financial Group	Not listed
	KB Real Estate Trust Co., Ltd.	KB Financial Group	Not listed
	KB Investment Co., Ltd.	KB Financial Group	Not listed
	KB Credit Information Co., Ltd.	KB Financial Group	Not listed
	KB Data Systems Co., Ltd.	KB Financial Group	Not listed
	KB Savings Bank Co., Ltd.	KB Financial Group	Not listed
2nd Tier Subsidiaries	Kookmin Bank Hong Kong Ltd.	Kookmin Bank	Not listed
	Kookmin Bank International Ltd.	Kookmin Bank	Not listed
	Kookmin Bank Cambodia PLC	Kookmin Bank	Not listed
	Kookmin Bank (China) Limited	Kookmin Bank	Not listed
	KB-Glenwood Private Equity Fund No.1	KB Investment & Securities	Not listed
	NPS-KBIC Private Equity Fund No. 1	KB Investment	Not listed
	KBIC No.3 PEF	KB Investment	Not listed
	KoFC KBIC Frontier Champ 2010-5 PEF	KB Investment	Not listed
	KoFC POSCO HANWHA KB Shared Growth No. 2. Private Equity Fund	KB Investment	Not listed
	KoFC Value-up Private Equity Fund	KB Investment	Not listed

5

Notes:

(1) KLB Securities, a subsidiary of Kookmin Bank, is in liquidation.

(2) On March 2, 2011, KB Kookmin Card Co., Ltd., previously a business division of Kookmin Bank, was newly established and added as a first-tier subsidiary of KB Financial Group.

(3) On March 14, 2011, KB Futures Co., Ltd. was merged into KB Investment & Securities Co., Ltd. Accordingly, KB Futures Co., Ltd. is no longer a first-tier subsidiary of KB Financial Group.

(4) On November 12, 2011, KB Investment & Securities Hong Kong Ltd. was closed.

(5) On January 13, 2012, KB Savings Bank Co., Ltd. was added as a first-tier subsidiary.

(6) On May 11, 2012, KoFC POSCO HANWHA KB Shared Growth No. 2. Private Equity Fund was added as a second-tier subsidiary.

(7) On June 8, 2012, Burrill-KB Life Sciences Fund Ltd. was liquidated.

(8) On July 2, 2012, KoFC Value-up Private Equity Fund was added as a second-tier subsidiary.

(9) On October 10, 2012, Kookmin Bank (China) Limited was added as a second-tier subsidiary.

1.4. Capital Structure

1.4.1. Common Shares

Capital Increase

(As of December 31, 2012)								(Unit: Won, shares)
Issue Date	Type	Number		Par Value		Issue Price		Remarks
September 29, 2008	Common Stock		356,351,693		5,000		48,444	Establishment of the Company
September 2, 2009	Common Stock		30,000,000		5,000		37,250	Rights offering to existing shareholders; % increase in number of common shares: 8.41865%

Number of Shares

(As of December 31, 2012)	(Unit: shares)
	Type
	Common Stock		Total
Shares Authorized for Issuance		1,000,000,000		1,000,000,000
Shares Issued (A)		386,351,693		386,351,693
Treasury Stock (B)		—		—
Shares Outstanding (A-B)		386,351,693		386,351,693

6

1.4.2. Voting Rights

(As of December 31, 2012)
Items		Number of shares		Notes
Total number of issued shares	Common shares		386,351,693	—
	—		—	—
Shares without voting rights	—		—	—
Shares for which voting rights cannot be exercised pursuant to the Articles of Incorporation	—		—	—
Shares for which voting rights are restricted under relevant laws and regulations	—		—	—
Shares with restored voting rights	—		—	—
Total shares for which voting rights may be exercised	Common shares		386,351,693	—
	—		—	—

1.5. Dividends

Items		January 1, 2012 to December 31, 2012(2)(5)		January 1, 2011 to December 31, 2011(2)(4)			January 1, 2010 to December 31, 2010(1)(3)
Par value per share (Won)			5,000		5,000			5,000
Net income (Won in Millions)			646,235		(63,678	)		88,320
Earnings per share (Won)			1,673		(173	)		257
Total cash dividends (Won in Millions)			231,811		278,173			41,163
Total stock dividends (Won in Millions)			—		—			—
Cash dividend payout ratio (%)			35.9		(436.8	)		46.6
Cash dividend yield (%)	Common Shares		1.6		1.9			0.2
	—		—		—			—
Stock dividend yield (%)	Common Shares		—		—			—
	—		—		—			—
Cash dividend per share (Won)	Common Shares		600		720			120
	—		—		—			—
Stock dividend per share (Shares)	Common Shares		—		—			—
	—		—		—			—

Notes:

(1) Based on generally accepted accounting principles in Korea (“Korean GAAP”) (on a separate basis).

(2) Based on K-IFRS (on a separate basis).

(3) The total number of common shares that were eligible for payment of dividends for the year ended December 31, 2010 was 343,028,989 shares (which excludes 43,322,704 shares that were held by Kookmin Bank, a wholly-owned subsidiary of KB Financial Group, as of such period).

(4) Dividend payout ratio on a consolidated basis for the year ended December 31, 2011 was 11.7%.

(5) Dividend payout ratio on a consolidated basis for the year ended December 31, 2012 was 13.6%.

7

2. Business

2.1. Results of Operations

	For the year ended December 31, 2012			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income		7,115,913			7,104,512			6,173,804
Interest income		14,155,825			13,956,257			13,051,936
Interest expense		(7,039,912	)		(6,851,745	)		(6,878,132	)
Net fee and commission income		1,592,641			1,794,750			1,704,714
Fee and commission income		2,778,668			2,829,754			2,481,451
Fee and commission expense		(1,186,027	)		(1,035,004	)		(776,737	)
Net gains (losses) on financial assets/liabilities at fair value through profit and loss		651,203			1,035,867			814,808
Net other operating income (expenses)		(1,455,270	)		(1,092,009	)		(1,067,343	)
G&A Expenses		(3,885,285	)		(3,931,808	)		(4,366,629	)
Net operating income before provision for credit losses		4,019,202			4,911,312			3,259,354
Provision for credit losses		(1,607,804	)		(1,512,978	)		(2,871,417	)
Operating profit		2,411,398			3,398,334			387,937

* Note: Prepared on a consolidated basis.

8

2.2. Sources and Uses of Funds

2.2.1. Sources of Funds

														(Unit: in millions of Won, %)
		For the year ended December 31, 2012						For the year ended December 31, 2011						For the year ended December 31, 2010
		Average Balance		Interest Rate (%)		Ratio (%)		Average Balance		Interest Rate (%)		Ratio (%)		Average Balance		Interest Rate (%)		Ratio (%)
Won Currency	Deposits		178,964,929		3.07		63.75		169,714,084		3.02		63.38		152,853,317		2.93		58.20
	Certificate of deposit		1,733,854		3.88		0.62		1,745,901		3.90		0.65		11,044,417		4.00		4.21
	Borrowings		5,300,056		2.87		1.89		4,593,395		3.01		1.72		3,775,933		2.84		1.44
	Call money		3,562,595		3.02		1.27		1,779,391		3.01		0.66		836,862		2.20		0.32
	Debentures		20,896,056		5.18		7.44		24,454,683		5.37		9.13		30,865,318		5.42		11.76
	Other		3,376,575		3.50		1.20		3,713,710		3.50		1.39		3,790,878		2.89		1.44
Subtotal			213,834,065		3.28		76.17		206,001,164		3.31		76.93		203,166,725		3.36		77.37
Foreign currency	Deposits		5,292,216		0.97		1.89		3,394,042		0.64		1.27		3,587,564		0.69		1.37
	Borrowings		8,406,171		0.91		2.99		7,464,052		0.92		2.79		6,021,855		1.05		2.29
	Call money		1,222,628		0.55		0.44		896,482		0.84		0.33		1,046,087		0.68		0.40
	Debentures		3,549,616		4.96		1.26		3,945,798		4.96		1.47		4,561,180		4.16		1.74
	Other		203,426		1.34		0.07		134,421		0.59		0.05		125,392		0.75		0.05
Subtotal			18,647,057		1.68		6.65		15,834,795		1.86		5.91		15,342,078		1.86		5.85
Other	Total shareholders’ equity		24,300,061		—		8.66		22,823,040		—		8.52		20,501,935		—		7.81
	Allowances		903,038		—		0.32		1,096,724		—		0.41		1,032,427		—		0.39
	Other		23,013,074		—		8.20		22,049,153		—		8.23		22,523,582		—		8.58
Subtotal			48,216,173		—		17.18		45,968,917		—		17.16		44,057,944		—		16.78
Total			280,724,295		—		100.00		267,804,876		—		100.00		262,566,747		—		100.00

* Note: Prepared on a consolidated basis.

9

2.2.2. Uses of Funds

		For the year ended December 31, 2012								For the year ended December 31, 2011								For the year ended December 31, 2010
		Average Balance			Interest Rate (%)		Ratio (%)			Average Balance			Interest Rate (%)		Ratio (%)			Average Balance			Interest Rate (%)		Ratio (%)
Won currency	Due from banks		4,033,732			3.60		1.44			1,622,223			3.75		0.61			1,307,747			2.42		0.50
	Securities		42,485,907			4.36		15.13			41,166,103			4.60		15.38			41,504,702			4.69		15.81
	Loans		187,356,729			5.43		66.76			179,786,245			5.63		67.14			173,430,344			5.29		66.05
	Guarantee payments under payment guarantee		68,419			0.73		0.02			142,018			0.26		0.05			172,832			0.60		0.07
	Call loan		1,579,772			3.21		0.56			1,345,886			3.18		0.50			1,487,626			2.20		0.57
	Private placement corporate bonds		682,281			6.76		0.24			1,361,495			5.88		0.51			2,701,689			5.47		1.03
	Credit cards		12,069,767			11.15		4.30			12,377,664			10.82		4.62			11,922,426			10.85		4.54
	Other		4,881,015			6.00		1.74			1,963,980			11.42		0.73			2,402,286			7.45		0.91
	Allowance		(3,513,280	)		—		(1.27	)		(3,654,789	)		—		(1.36	)		(3,839,895	)		—		(1.46	)
Subtotal			249,644,342			5.57		88.92			236,110,825			5.83		88.18			231,089,757			5.55		88.02
Foreign currency	Due from banks		833,763			1.78		0.30			676,389			2.05		0.25			571,545			1.12		0.22
	Securities		1,378,833			3.12		0.49			1,693,605			3.82		0.63			2,087,107			2.97		0.79
	Loans		9,758,729			2.23		3.48			9,355,591			2.21		3.49			8,477,924			2.60		3.23
	Call loan		1,726,396			0.70		0.61			1,236,257			0.74		0.46			840,333			0.52		0.32
	Bills bought		2,931,390			1.97		1.04			2,432,861			2.08		0.91			2,183,308			2.63		0.83
	Allowance		(178,772	)		—		(0.06	)		(206,220	)		—		(0.08	)		(239,913	)		—		(0.09	)
	Other		1,899			—		0.00			1,270			—		0.00			1,179			—		0.00
Subtotal			16,452,238			2.10		5.86			15,189,753			2.27		5.66			13,921,483			2.52		5.30
Other	Cash		1,617,804			—		0.58			1,506,765			—		0.56			1,337,416			—		0.51
	Fixed assets held for business		3,214,983			—		1.15			3,223,574			—		1.20			3,266,699			—		1.24
	Other		9,794,928			—		3.49			11,773,959			—		4.40			12,951,392			—		4.93
Subtotal			14,627,715			—		5.22			16,504,298			—		6.16			17,555,507			—		6.68
Total			280,724,295			—		100.00			267,804,876			—		100.00			262,566,747			—		100.00

* Prepared on a consolidated basis.

10

2.3. Other Information to Consider in Making an Investment Decision

2.3.1. Capital Adequacy

KB Financial Group (calculated in accordance with Basel I)			(Unit: in millions of Won, %)
	As of December 31, 2012(1)		As of December 31, 2011(1)		As of December 31, 2010(2)
Total Capital (A)		26,907,004		25,062,681		23,948,343
Risk-weighted assets (B)		193,510,143		192,812,547		183,077,983
BIS ratio (A/B)(3)		13.90		13.00		13.08

(1) Based on K-IFRS (on a consolidated basis).

(2) Based on Korean GAAP (on a consolidated basis).

(3) BIS risk-adjusted capital ratio = (total capital / risk-weighted assets) X 100.

Kookmin Bank (calculated in accordance with Basel II)			(Unit: in billions of Won, %)
	As of December 31, 2012(1)		As of December 31, 2011(1)		As of December 31, 2010(2)
Total Capital (A)		21,391		19,668		20,801
Risk-weighted assets (B)		148,544		145,185		154,806
BIS ratio (A/B)		14.40		13.55		13.44

(1) Based on K-IFRS (on a consolidated basis).

(2) Based on Korean GAAP (on a consolidated basis).

2.3.2. Credit ratings

Date of Rating	Evaluated Securities(1)	Credit Rating	Company (Ratings Range)	Evaluation
07/07/2011	Debentures	AAA	Korea Ratings (AAA ~ D)	Stable
06/30/2011	Debentures	AAA	KIS Ratings (AAA ~ D)	Stable
05/16/2011	Debentures	AAA	NICE Investors Service (2) (AAA ~ D)	Stable
12/07/2011	Commercial Paper	A1	Korea Ratings (A1 ~ D) KIS Ratings (A1 ~ D) NICE Investors Service (2) (A1 ~ D)	—

(1) Redeemed in full as of December 31, 2012.

(2) Formerly NICE Ratings.

11

3. Financial Information

3.1. Separate Condensed Financial Information

3.1.1. Separate Statements of Financial Position

	(Unit: in millions of Won)
	As of December 31, 2012		As of December 31, 2011		As of December 31, 2010		As of January 1, 2010
Cash and due from financial institutions		96,234		32,031		759,998		845,366
Loans		25,000		60,000		160,000		170,000
Investments in subsidiaries		17,944,848		17,773,322		17,673,322		17,612,122
Property and equipment		351		759		1,109		1,718
Intangible assets		9,122		10,531		11,057		9,176
Current income tax assets		—		—		125,423		—
Deferred income tax assets		3,800		2,445		898		—
Other assets		310,673		631,602		48,105		25,932
Total Assets		18,390,028		18,510,690		18,779,912		18,664,314
Debts		—		130,000		—		—
Debentures		—		49,988		799,353		798,421
Defined benefit liabilities		1,384		992		1,134		1,049
Current income tax liabilities		257,535		578,729		—		—
Other liabilities		46,767		34,701		158,304		6,401
Total Liabilities		305,686		794,410		958,791		805,871
Share capital		1,931,758		1,931,758		1,931,758		1,931,758
Capital surplus		13,513,809		13,513,809		13,513,809		13,513,809
Retained earnings		2,638,775		2,270,713		2,375,554		2,412,876
Total Equity		18,084,342		17,716,280		17,821,121		17,858,443
Total Liabilities and Equity		18,390,028		18,510,690		18,779,912		18,664,314

12

3.1.2. Separate Statements of Comprehensive Income

	(Unit: in millions of Won, except per share amounts)
	For the year ended December  31, 2012			For the year ended December  31, 2011			For the year ended December  31, 2010
Net interest income (expense)		2,993			(14,572	)		(17,281	)
Net fee and commission expense		(4,130	)		(6,079	)		(6,951	)
Net other operating income		687,925			—			95,305
General and administrative expenses		(41,597	)		(41,711	)		(31,187	)
Operating profit before provision for credit losses		645,191			(62,362	)		39,886
Provision for credit losses		—			—			—
Operating profit (loss)		645,191			(62,362	)		39,886
Net non-operating income (expense)		(312	)		(2,863	)		792
Profit (loss) before tax		644,879			(65,225	)		40,678
Income tax benefit		1,356			1,547			897
Profit (loss) for the period		646,235			(63,678	)		41,575
Total comprehensive income (loss) for the period		646,235			(63,678	)		41,575
Earnings (loss) per share
Basic earnings (loss) per share (Won)		1,673			(173	)		121
Diluted earnings (loss) per share (Won)		1,668			(173	)		121

13

3.2. Consolidated Condensed Financial Information

3.2.1. Consolidated Statements of Financial Position

	(Unit: in millions of Won)
	As of December 31, 2012		As of December 31, 2011		As of December 31, 2010			As of January 1, 2010
Cash and due from financial institutions		10,568,350		9,178,125		6,829,828			9,102,630
Financial assets at fair value through profit and loss		6,299,194		6,326,104		4,013,313			4,592,491
Derivative financial assets		2,024,784		2,448,455		2,595,121			3,392,391
Loans		212,716,251		212,107,027		197,621,004			196,686,844
Financial investments		36,897,139		35,432,182		36,189,650			35,036,710
Investments in associates		1,035,205		892,132		723,411			614,717
Property and equipment		3,103,597		3,186,020		3,150,260			3,257,911
Investment property		52,974		51,552		52,921			67,977
Intangible assets		500,023		468,441		504,920			402,577
Deferred income tax assets		18,432		22,329		4,045			16,504
Assets held for sale		35,412		9,931		9,353			20,160
Other assets		8,755,217		7,478,519		7,076,796			6,968,059
Total assets		282,006,578		277,600,817		258,770,622			260,158,971
Financial liabilities at fair value through profit or loss		1,851,135		1,388,079		1,294,859			1,364,223
Derivative financial liabilities		2,068,813		2,059,573		2,236,359			3,138,394
Deposits		194,403,279		190,337,590		179,862,071			169,065,043
Debts		15,969,522		16,823,838		11,744,389			13,834,104
Debentures		24,131,770		27,069,879		29,107,316			38,661,962
Provisions		669,729		797,739		1,020,070			576,154
Defined benefit liabilities		75,157		128,488		125,463			167,387
Current income tax liabilities		264,666		588,825		29,641			99,752
Deferred income tax liabilities		129,969		220,842		283,575			404,639
Other liabilities		17,738,498		15,086,169		13,400,949			13,416,625
Total liabilities		257,302,538		254,501,022		239,104,692			240,728,283
Equity attributable to shareholders of the Company		24,509,518		22,917,975		18,496,687			18,349,693
Share capital		1,931,758		1,931,758		1,931,758			1,931,758
Capital surplus		15,840,300		15,841,824		15,990,278			15,990,618
Accumulated other comprehensive income		359,969		191,642		430,572			350,941
Retained earnings		6,377,491		4,952,751		2,620,888			2,553,185
Treasury shares		—		—		(2,476,809	)		(2,476,809	)
Non-controlling interests		194,522		181,820		1,169,243			1,080,995
Total equity		24,704,040		23,099,795		19,665,930			19,430,688
Total liabilities and equity		282,006,578		277,600,817		258,770,622			260,158,971
Number of consolidated companies		77		67		58			50

14

3.2.2. Consolidated Statements of Comprehensive Income

	(Unit: in millions of Won, except per share amounts)
	For the year ended December  31, 2012			For the year ended December  31, 2011			For the year ended December  31, 2010
Net interest income		7,115,913			7,104,512			6,173,804
Net fee and commission income		1,592,641			1,794,750			1,704,714
Net gains (losses) on financial assets/liabilities at fair value through profit or loss		651,203			1,035,867			814,808
Net other operating income (loss)		(1,455,270	)		(1,092,009	)		(1,067,343	)
General and administrative expenses		(3,885,285	)		(3,931,808	)		(4,366,629	)
Operating profit before provision for credit losses		4,019,202			4,911,312			3,259,354
Provision for credit losses		(1,607,804	)		(1,512,978	)		(2,871,417	)
Net operating profit		2,411,398			3,398,334			387,937
Net non-operating profit (loss)		(150,070	)		(137,528	)		(238,569	)
Profit before income tax		2,261,328			3,260,806			149,368
Income tax benefit (expense)		(549,340	)		(832,234	)		70,541
Profit for the period		1,711,988			2,428,572			219,909
Other comprehensive income (loss) for the year, net of tax		178,967			(235,748	)		99,329
Total comprehensive income for the year		1,890,955			2,192,824			319,238
Profit attributable to:		1,711,988			2,428,572			219,909
Shareholders of the parent company		1,702,913			2,373,026			146,600
Non-controlling interests		9,075			55,546			73,309
Total comprehensive income for the year attributable to:		1,890,955			2,192,824			319,238
Shareholders of the parent company		1,871,240			2,134,096			226,231
Non-controlling interests		19,715			58,728			93,007
Earnings per share
Basic earnings per share (Won)		4,408			6,461			427
Diluted earnings per share (Won)		4,394			6,445			427

15

3.3. Other Selected Financial Data

3.3.1. Won-denominated Liquidity Ratio

	(Unit: in billions of Won, %)
Category	2012(1)(2)			2011(1)(2)			2010(1)(3)
Current assets in Won (A)		96.2			20.1			763.7
Current liabilities in Won (B)		1.6			2.6			1.5
Current ratio (A/B)		6,100.82	%		766.16	%		50,241.38	%

(1) Calculated based on Won-denominated assets and liabilities due within one month (in accordance with an amendment to the Financial Holding Company Act).

(2) Based on K-IFRS (on a separate basis).

(3) Based on Korean GAAP (on a non-consolidated basis).

3.3.2. Selected ratios

	(Unit: %)
Category	2012(1)		2011(1)		2010(2)
Net income as a percentage of average total assets		0.60		0.88	0.03
Net income as a percentage of average shareholders’ equity		7.16		11.36	0.49

(1) Based on K-IFRS (on a consolidated basis).

(2) Based on Korean GAAP (on a consolidated basis).

16

3.3.3. 20 Largest Exposures of Kookmin Bank by Borrower

	(As of December 31, 2012)
Company	Credit extended *
	(Unit: in billions of Won)
Hyundai Heavy Industries Co., Ltd.		1,171
Daewoo Shipbuilding & Marine Engineering Co., Ltd.		906
Hyundai Steel Co., Ltd.		891
LG Electronics Inc.		818
GS Caltex Corporation		770
Samsung Heavy Industries Co., Ltd.		624
Samsung Electronics Co., Ltd.		619
Samsung Display Co., Ltd.		595
Hyundai Capital Services, Inc.		576
Hyundai Motor Company		445
KT Corporation		436
Shinhan Financial Group		401
S-Oil Corporation		376
SK Energy Co., Ltd.		361
Daewoo International Corporation		354
LS-Nikko Copper Inc.		349
Korean Air Lines Co., Ltd.		328
SK Telecom Co., Ltd.		326
Hankook Tire Co., Ltd.		314
LG Display Co., Ltd.		306
Total		10,966

* Calculated in accordance with the Detailed Regulations on Supervision of Banking Business.

17

3.3.4. 10 Largest Exposures of Kookmin Bank by Chaebol Group

	(As of December 31, 2012)
Group	Credit extended *
	(Unit: in billions of Won)
Samsung		3,798
Hyundai Motor		3,557
LG		2,244
SK		1,945
Hyundai Heavy Industries		1,759
GS		1,262
POSCO		1,071
Daewoo Shipbuilding & Marine Engineering		948
Lotte		852
Hanwha		797
Total		18,233

* Calculated in accordance with the Detailed Regulations on Supervision of Banking Business.

3.3.5. Kookmin Bank’s Loan Concentration by Industry

	(As of December 31, 2012)
Industry	Total Credit		Percentage of Total Credit
	(Unit: in billions of Won, %)
Manufacturing		34,226		34.70
Construction		5,335		5.41
Real estate		16,519		16.75
Retail and wholesale		16,340		16.57
Hotel, leisure or transportation		6,806		6.90
Finance and insurance		1,391		1.41
Other		18,015		18.26
Total		98,632		100.00

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3.3.6. Top 20 Non-Performing Loans of Kookmin Bank

	(As of December 31, 2012)
	Industry	Total Credit		Allowance for Loan Losses
	(Unit: in billions of Won)
Borrower A	Shipbuilding		105		73
Borrower B	Real estate and leasing		77		2
Borrower C	Construction		64		64
Borrower D	Construction		44		26
Borrower E	Construction		42		41
Borrower F	Arts, sports and recreation related services		39		3
Borrower G	Construction		39		39
Borrower H	Electricity, gas, steam and water supply		35		20
Borrower I	Manufacturing		30		29
Borrower J	Shipbuilding		29		7
Borrower K	Construction		27		19
Borrower L	Construction		26		24
Borrower M	Real estate and leasing		25		2
Borrower N	Finance and Insurance		22		1
Borrower O	Construction		20		20
Borrower P	Manufacturing		17		5
Borrower Q	Construction		17		3
Borrower R	Manufacturing		17		13
Borrower S	Manufacturing		17		0
Borrower T	Arts, sports and recreation related services		16		16
Total			708		407

3.4. Other Financial Information

See Form 6-K filed by the Company on March 14, 2013, which contains the Company’s audited consolidated and separate financial statements and relevant notes as of and for the years ended December 31, 2011 and 2012, which have been prepared in accordance with K-IFRS. The Company’s audited consolidated and separate financial statements are also available on its website, www.kbfg.com.

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4. Independent Public Accountants

4.1. Audit / Review Services

Period	Auditor	Activity	Compensation(1) (in millions of Won)	Accrued Time (hours)
January 1 to December 31, 2012	Samil PricewaterhouseCoopers	Quarterly / first half and annual review & audit, review of internal accounting management system, and PCAOB audit of consolidated financial statements and internal control over financial reporting	1,150	15,216
January 1 to December 31, 2011	Samil PricewaterhouseCoopers	Quarterly / first half and annual review & audit, review of internal accounting management system and PCAOB audit of consolidated financial statements and internal control over financial reporting	1,150	15,000
January 1 to December 31, 2010	Samil PricewaterhouseCoopers	Quarterly / first half and annual review & audit, and review of internal accounting management system	263	5,415

(1) Excluding value-added taxes.

4.2. Non-Audit Services

	(Unit: millions of Won)
Period	Contract date	Activity	Service period	Compensation(1)
January 1 to December 31, 2012	—	—	—		—
January 1 to December 31, 2011	—	—	—		—
January 1, to December 31, 2010	December 30, 2010	US GAAP and SOX Audit	December 30, 2010 to June 30, 2011		2,700
	April 30, 2010	K-IFRS Audit	April 30, 2010 to March 31, 2011		380

(1) Excluding value-added taxes.

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5. Corporate Governance and Affiliated Companies

5.1. Board of Directors & Committees under the Board

As of December 31, 2012, the board of directors consisted of two executive directors, two non-standing directors and nine non-executive directors. The following committees currently serve under our board of directors:

• Board Steering Committee

• Audit Committee

• Management Strategy Committee

• Risk Management Committee

• Evaluation & Compensation Committee

• Non-Executive Director Nominating Committee

• Audit Committee Member Nominating Committee

For the list of our directors, see 6. Directors, Senior Management and Employees, 6.1. Executive Directors, 6.2. Non-Standing Directors and 6.3. Non-Executive Directors below.

5.2. Audit Committee

The audit committee oversees our financial reporting and approves the appointment of our independent auditors and internal compliance officers. The committee also reviews our financial information, auditor’s examinations, key financial statement issues, planning and evaluation of internal controls and the administration of our financial affairs by the board of directors. In connection with the general meetings of shareholders, the committee examines the agenda for, and financial statements and other reports to be submitted by, the board of directors to each general meeting of shareholders. The committee holds regular meetings every quarter and on an as-needed basis.

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5.3. Compensation to Directors

5.3.1. Compensation to Directors (including Non-executive Directors) and Audit Committee Members

	(Unit: in millions of Won)
	Total number of persons		Total amount approved at Shareholders’ Meeting (1)		Notes
Registered Directors (including non-executive directors and audit committee members)		13		5,000		—

(1) Represents the aggregate amount for all directors (including non-executive directors). Excludes long-term incentives.

	(Unit: in millions of Won)
	Total number of persons		Total payment (1) (3)  (4) (5)		Average payment per person (2)		Total amount of fair value of stock options		Notes
Registered Directors (including two non-standing directors)		4		1,569		392		—		—
Non-executive Directors (excluding audit committee members)		4		331		83		—		—
Audit committee members or internal auditor		5		388		78		—		—
Total		13		2,288		176		—		—

(1) Represents total amount paid for the year ended December 31, 2012.

(2) Represents (i) the total amount paid for the year ended December 31, 2012, divided by (ii) the total number of applicable persons.

(3) Payment subject to the Company’s internal policies on compensation to directors.

(4) In addition to the total payments as presented in the above table, we recorded Won 1,874 million in our income statement for the year ended December 31, 2012 with respect to performance-based stock grants, the payment and amount of which are determined in accordance with the performance of the grantees.

(5) In addition to the total payments as presented in the above table, a total of Won 924 million was paid in the first quarter of 2012 with respect to short-term performance-based compensation.

22

5.4. Affiliated Companies

5.4.1. List of Affiliated Companies

Affiliated companies of KB Financial Group that are first-tier subsidiaries and KB Financial Group’s ownership of such companies as of December 31, 2012 are as follows.

• Kookmin Bank (100.00%)

• KB Kookmin Card Co., Ltd. (100.00%)

• KB Investment & Securities Co., Ltd. (100.00%)

• KB Life Insurance Co., Ltd. (51.00%)

• KB Asset Management Co., Ltd. (100.00%)

• KB Real Estate Trust Co., Ltd. (100.00%)

• KB Investment Co., Ltd. (100.00%)

• KB Credit Information Co., Ltd. (100.00%)

• KB Data Systems Co., Ltd. (100.00%)

• KB Savings Bank Co., Ltd. (100.00%)

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6. Directors, Senior Management and Employees

6.1. Executive Directors

As of March 22, 2013, we had two executive directors. The name and position of our executive directors and the number of shares of KB Financial Group’s common stock they respectively owned as of March 22, 2013 are set forth below.

Name	Date of Birth	Position	Common Shares Owned
Yoon-Dae Euh	May 1945	Chairman & Chief Executive Officer		30,770
Young Rok Lim	March 1955	President		3,648

6.2. Non-Standing Directors

As of March 22, 2013, we had one non-standing director. The name and position of our non-standing director and the number of shares of KB Financial Group’s common stock he owned as of March 22, 2013 are set forth below.

Name	Date of Birth	Position	Common Shares Owned
Byong Deok Min	May 1954	Non-Standing Director		3,475

(1) On February 19, 2013, Vaughn Richtor resigned his post as a non-standing director of KB Financial Group.

6.3. Non-Executive Directors

Our non-executive directors and the number of shares of KB Financial Group’s common stock they respectively owned as of March 22, 2013 are as follows.

Name	Date of Birth	Position		Common Shares Owned
Kyung Jae Lee	January 1939		Non-Executive Director		—
Jae Wook Bae	March 1945		Non-Executive Director		—
Young Jin Kim	December 1949		Non-Executive Director		—
Kun Ho Hwang	January 1951		Non-Executive Director		500
Jong Cheon Lee	February 1951		Non-Executive Director		—
Seung Hee Koh	June 1955		Non-Executive Director		—
Young Kwa Kim	December 1955		Non-Executive Director		—
Young Nam Lee	September 1957		Non-Executive Director		—
Jae Mok Cho	January 1961		Non-Executive Director		—

24

6.4. Senior Management

In addition to our executive directors who are also our executive officers, we had the following ten executive officers as of March 22, 2013.

Name	Date of Birth	Position	Common Shares Owned
Jong Kyoo Yoon	October 1955	Deputy President & Chief Financial Officer		5,300
Wang Ky Kim	March 1955	Deputy President & Chief Public Relations Officer		1,000
Seok Heung Ryu	January 1957	Deputy President & Chief Information Officer		127
Min Ho Lee	April 1965	Deputy President & Chief Compliance Officer		1,700
Won Keun Yang	September 1956	Deputy President & Head of KB Research		260
Dong Chang Park	February 1952	Deputy President		200
Yong Jin Cho	February 1961	Managing Director & Chief Human Resources Officer		473
Kyung Sup Han	December 1958	Managing Director & Chief Risk Officer		632
Dong Cheol Lee	October 1961	Managing Director (Strategic Planning)		203
Kyu Sul Choi	August 1960	Managing Director (Investor Relations)		836

6.5. Employees

The following table shows the breakdown of our employees as of December 31, 2012.

	(Unit: in millions of Won)
	Number of Employees		Average Tenure of Employees  (months)		Total  Payment(1)		Average Payment per Person(2)
Total		157		26 months		14,841		94.5

(1) Represents (i) the total amount paid for the year ended December 31, 2012 divided by (ii) the total number of employees as of December 31, 2012.

25

7. Major Shareholders and Related Party Transactions

7.1. Major Shareholders

The following table presents information regarding holders of 5% or more of our total issued shares as of December 31, 2012.

	(Unit: Shares, %)
Name	Number of Shares of Common Stock		Percentage of Total Issued Shares
The Bank of New York Mellon Corporation(1)		35,026,464		9.07
Korean National Pension Service		33,158,257		8.58
ING Bank N.V.		19,401,044		5.02

* The number of shares of common stock presented for each shareholder in the table above is based on our shareholder registry as of December 31, 2012, unless otherwise indicated.

(1) Depositary under the Company’s ADR program.

7.2. Changes in the Largest Shareholder

(As of December 31, 2012)	(Unit: Shares, %)
Name of Largest Shareholder	Date of Change in  Largest Shareholder/ Date of Change in  Ownership Level		Number of Shares of  Common Stock		Percentage of Total Issued Shares(1)
Korean National Pension Service		December 31, 2012		33,158,257		8.58
Korean National Pension Service		August 1, 2012		31,817,770		8.24
Korean National Pension Service		March 14, 2012		27,894,880		7.22
Korean National Pension Service		December 31, 2011		26,510,171		6.86
Korean National Pension Service		July 8, 2011		23,650,699		6.12
ING Bank N.V.		January 22, 2010		19,401,044		5.02
Korean National Pension Service		December 31, 2009		20,046,217		5.19
Korean National Pension Service		December 7, 2009		20,321,051		5.26
Korean National Pension Service		September 2, 2009		21,199,372		5.49
Korean National Pension Service		July 27, 2009		19,673,220		5.52
Korean National Pension Service		May 29, 2009		19,653,362		5.52
Korean National Pension Service		March 27, 2009		22,548,541		6.33
Korean National Pension Service		February 4, 2009		23,271,087		6.53
Korean National Pension Service		December 31, 2008		23,284,404		6.53
Korean National Pension Service		October 31, 2008		21,675,810		6.08
ING Bank N.V.		October 20, 2008		18,045,337		5.06
Korean National Pension Service		September 30, 2008		17,910,781		5.03

* The date of change in largest shareholder / change in ownership level is the date as indicated on the public filing disclosing relevant changes in shareholdings in the Company.

(1) Based on 386,351,693 total issued shares of common stock for dates on or after September 2, 2009, and 356,351,693 total issued shares of common stock for dates on or prior to July 27, 2009.

26

7.3. Employee Stock Ownership Association

(As of December 31, 2012)			(Unit: Shares)
Company Name	Number of shares		Type of shares
KB Financial Group		18,849		Common Stock
Kookmin Bank		2,908,831		Common Stock
KB Kookmin Card Co., Ltd.		139,701		Common Stock
KB Investment & Securities Co., Ltd.		29,686		Common Stock
KB Life Insurance Co., Ltd.		19,394		Common Stock
KB Asset Management Co., Ltd.		7,429		Common Stock
KB Real Estate Trust Co., Ltd.		13,043		Common Stock
KB Investment Co., Ltd.		4,321		Common Stock
KB Credit Information Co., Ltd.		14,779		Common Stock
KB Data Systems Co., Ltd.		21,115		Common Stock
KB Savings Bank Co., Ltd.		2,646		Common Stock
Total		3,179,794		Common Stock

7.4. Investments in Certain Affiliated Companies

(As of December 31, 2012)	(Units: shares, millions of Won, %)
Name	Ending Balance						Total Assets as of the latest fiscal year(1)		Net Income (loss) for the latest fiscal year(1)			Notes
	Number of shares		Shareholding percentage		Book value
Kookmin Bank(2)		404,379,116		100		14,821,721		258,555,016		1,299,589			(4	)
KB Kookmin Card Co., Ltd. (2)		92,000,000		100		1,953,175		13,327,760		320,778			(4	)
KB Investment & Securities Co., Ltd.(3)		31,588,314		100		507,212		3,269,526		28,653			(5	)
KB Life Insurance Co., Ltd.		28,152,000		51		138,484		5,014,446		15,252			(5	)
KB Asset Management Co., Ltd.		7,667,550		100		96,312		163,156		7,222			(5	)
KB Real Estate Trust Co., Ltd.		16,000,000		100		121,553		251,228		15,405			(4	)
KB Investment Co., Ltd.		8,951,797		100		104,910		126,404		8,425			(4	)
KB Credit Information Co., Ltd.		1,252,400		100		23,621		30,529		(2,391	)		(4	)
KB Data Systems Co., Ltd.		800,000		100		6,334		30,589		2,148			(4	)
KB Savings Bank Co., Ltd.(6)		6,800,000		100		171,526		—		—
Total		597,591,177		—		17,944,848		—		—

(1) Based on K-IFRS (on a separate basis).

(2) KB Kookmin Card Co., Ltd. was newly established on March 2, 2011 to operate the credit card business previously operated by Kookmin Bank.

(3) KB Futures Co., Ltd. was merged into KB Investment & Securities Co., Ltd. on March 14, 2011.

(4) As of or for the year ended December 31, 2012.

(5) As of March 31, 2012 or for the period from April 1, 2011 to March 31, 2012.

(6) KB Savings Bank Co., Ltd. was added as a first-tier subsidiary on January 2, 2012, and completed a rights offering on January 14, 2012.

27

7.5. Related Party Transactions

7.5.1. Prepayments and Loans to Subsidiaries

(Unit: in billions of Won)

Name

Relationship

Account

Loan Amount

Current Balance

Interest Rate

Maturity

KB Real Estate Trust Co., Ltd.

Subsidiary

Loans

50

15

CD 3M + 226 bps

June 29, 2013

KB Investment Co., Ltd.

Subsidiary

Loans

20

10

CD 3M + 137 bps

June 29, 2013

28

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.

	KB Financial Group Inc.
	(Registrant)
Date: March 29, 2013	By: /s/ Jong Kyoo Yoon
	(Signature)
	Name:	Jong Kyoo Yoon
	Title:	Deputy President & CFO

29