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 November 2012

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.

Index

2. Exhibit 99.1 KB Financial Group Review Report for the Third Quarter of 2012 (Consolidated)

3. Exhibit 99.2 KB Financial Group Review Report for the Third Quarter of 2012 (Separate)

TABLE OF CONTENTS

1.	Introduction to the Company	5
1.1.	Business Purpose	5
1.2.	History	5
1.3.	Overview of the Business Group	6
1.4.	Capital Structure	7
1.5.	Dividends	8
2.	Business	9
2.1.	Results of Operations	9
2.2.	Sources and Uses of Funds	10
2.3.	Other Information to Consider in Making an Investment Decision	12
3.	Financial Information	13
3.1.	Separate Condensed Financial Information	13
3.2.	Consolidated Condensed Financial Information	15
3.3.	Other Selected Financial Data	17
3.4.	Other Financial Information	20
4.	Independent Public Accountants	21
4.1.	Audit / Review Services	21
4.2.	Non-Audit Services	21
5.	Corporate Governance and Affiliated Companies	22
5.1.	Board of Directors & Committees under the Board	22
5.2.	Audit Committee	22
5.3.	Compensation to Directors	23
5.4.	Affiliated Companies	24
6.	Directors, Senior Management and Employees	25
6.1.	Executive Directors	25
6.2.	Non-Standing Directors	25
6.3.	Non-Executive Directors	25
6.4.	Senior Management	26
6.5.	Employees	26
7.	Major Shareholders and Related Party Transactions	27
7.1.	Major Shareholders	27
7.2.	Changes in the Largest Shareholder	27
7.3.	Employee Stock Ownership Association	28
7.4.	Investments in Certain Affiliated Companies	28
7.5.	Related Party Transactions	29

3

Summary of the 2012 Third Quarter Business Report

On November 29, 2012, KB Financial Group Inc. (“KB Financial Group”) filed its business report for the third quarter of 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 (“Korean 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.

4

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

5

• 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 September 30, 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
	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

6

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 September 30, 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 September 30, 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

1.4.2. Voting Rights

(As of September 30, 2012)
Items		Number of shares		Notes
Total number of issued shares	Common shares		386,351,693	—
	—		—	—
Shares without voting rights	—		—	—

7

Items		Number of shares		Notes
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, 2011 to December 31, 2011(2)(4)			January 1, 2010 to December 31, 2010(1)(3)		January 1, 2009 to December 31, 2009(1)(3)
Par value per share (Won)			5,000			5,000		5,000
Net income (Won in Millions)			(63,678	)		88,320		539,818
Earnings per share (Won)			(173	)		257		1,659
Total cash dividends (Won in Millions)			278,173			41,163		78,897
Total stock dividends (Won in Millions)			—			—		—
Cash dividend payout ratio (%)			(436.8	)		46.6		14.6
Cash dividend yield (%)	Common Shares		1.9			0.2		0.4
	—		—			—		—
Stock dividend yield (%)	Common Shares		—			—		—
	—		—			—		—
Cash dividend per share (Won)	Common Shares		720			120		230
	—		—			—		—
Stock dividend per share (Shares)	Common Shares		—			—		—
	—		—			—		—

Notes:

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

(2) Based on Korean IFRS.

(3) The total number of common shares that were eligible for payment of dividends for the years ended December 31, 2010 and December 31, 2009 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 periods), respectively.

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

8

2. Business

2.1. Results of Operations

(Unit: in millions of Won)
	For the nine months ended September 30, 2012			For the nine months ended September 30, 2011			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income		5,364,617			5,246,223			7,104,512			6,173,804
Interest income		10,733,476			10,297,805			13,956,257			13,051,936
Interest expense		(5,368,859	)		(5,051,582	)		(6,851,745	)		(6,878,132	)
Net fee and commission income		1,197,816			1,392,143			1,794,750			1,704,714
Fee and commission income		2,098,485			2,132,820			2,829,754			2,481,451
Fee and commission expense		(900,669	)		(740,677	)		(1,035,004	)		(776,737	)
Net gains (losses) on financial assets/liabilities at fair value through profit and loss		705,690			710,531			1,035,867			814,808
Net other operating income (expenses)		(1,047,572	)		(531,854	)		(1,092,009	)		(1,067,343	)
G&A Expenses		(3,006,547	)		(2,847,564	)		(3,931,808	)		(4,366,629	)
Employee compensation and benefits		(1,407,720	)		(1,344,273	)		(1,870,864	)		(2,406,852	)
Depreciation and amortization		(235,699	)		(241,908	)		(342,493	)		(347,692	)
Other general and administrative expenses		(1,363,128	)		(1,261,383	)		(1,718,451	)		(1,612,085	)
Net operating income before provision for credit losses		3,214,004			3,969,479			4,911,312			3,259,354
Provision for credit losses		(1,129,613	)		(1,006,225	)		(1,512,978	)		(2,871,417	)
Operating profit		2,084,391			2,963,254			3,398,334			387,937

* Consolidated basis.

9

2.2. Sources and Uses of Funds

2.2.1. Sources of Funds

(Unit: in millions of Won, %)
		For the nine months ended September 30, 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		179,026,530		3.13		63.80		169,714,084		3.02		63.38		152,853,317		2.93		58.20
	Certificate of deposit		1,703,837		3.97		0.61		1,745,901		3.90		0.65		11,044,417		4.00		4.21
	Borrowings		5,259,173		2.97		1.87		4,593,395		3.01		1.72		3,775,933		2.84		1.44
	Call money		3,420,326		3.13		1.22		1,779,391		3.01		0.66		836,862		2.20		0.32
	Debentures		20,967,087		5.19		7.47		24,454,683		5.37		9.13		30,865,318		5.42		11.76
	Other		3,388,556		3.60		1.21		3,713,710		3.50		1.39		3,790,878		2.89		1.44
Subtotal			213,765,509		3.34		76.18		206,001,164		3.31		76.93		203,166,725		3.36		77.37
Foreign currency	Deposits		5,139,716		0.95		1.83		3,394,042		0.64		1.27		3,587,564		0.69		1.37
	Borrowings		8,739,132		0.92		3.11		7,464,052		0.92		2.79		6,021,855		1.05		2.29
	Call money		1,217,269		0.64		0.43		896,482		0.84		0.33		1,046,087		0.68		0.40
	Debentures		3,621,491		4.99		1.29		3,945,798		4.96		1.47		4,561,180		4.16		1.74
	Other		170,952		1.49		0.06		134,421		0.59		0.05		125,392		0.75		0.05
Subtotal			18,888,560		1.70		6.72		15,834,795		1.86		5.91		15,342,078		1.86		5.85
Other	Total shareholders’ equity		23,996,042		—		8.55		22,823,040		—		8.52		20,501,935		—		7.81
	Allowances		1,145,061		—		0.41		1,096,724		—		0.41		1,032,427		—		0.39
	Other		22,844,937		—		8.14		22,049,153		—		8.23		22,523,582		—		8.58
Subtotal			47,986,040		—		17.10		45,968,917		—		17.16		44,057,944		—		16.78
Total			280,640,109		—		100.00		267,804,876		—		100.00		262,566,747		—		100.00

* Consolidated basis.

10

2.2.2. Uses of Funds

		For the nine months ended September 30, 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		3,789,898			3.83		1.35			1,622,223			3.75		0.61			1,307,747			2.42		0.50
	Securities		42,187,319			4.46		15.03			41,166,103			4.60		15.38			41,504,702			4.69		15.81
	Loans		186,891,997			5.53		66.59			179,786,245			5.63		67.14			173,430,344			5.29		66.05
	Guarantee payments under payment guarantee		70,821			0.75		0.03			142,018			0.26		0.05			172,832			0.60		0.07
	Call loan		1,698,256			3.28		0.61			1,345,886			3.18		0.50			1,487,626			2.20		0.57
	Private placement corporate bonds		704,888			7.02		0.25			1,361,495			5.88		0.51			2,701,689			5.47		1.03
	Credit cards		12,139,912			11.08		4.33			12,377,664			10.82		4.62			11,922,426			10.85		4.54
	Other		3,281,503			8.72		1.17			1,963,980			11.42		0.73			2,402,286			7.45		0.91
	Allowance		(3,584,288	)		—		(1.28	)		(3,654,789	)		—		(1.36	)		(3,839,895	)		—		(1.46	)
Subtotal			247,180,306			5.70		88.08			236,110,825			5.83		88.18			231,089,757			5.55		88.02
Foreign currency	Due from banks		834,345			1.30		0.30			676,389			2.05		0.25			571,545			1.12		0.22
	Securities		1,428,460			2.87		0.51			1,693,605			3.82		0.63			2,087,107			2.97		0.79
	Loans		9,847,701			2.25		3.51			9,355,591			2.21		3.49			8,477,924			2.60		3.23
	Call loan		1,814,906			0.80		0.65			1,236,257			0.74		0.46			840,333			0.52		0.32
	Bills bought		3,016,595			2.05		1.07			2,432,861			2.08		0.91			2,183,308			2.63		0.83
	Allowance		(183,212	)		—		(0.07	)		(206,220	)		—		(0.08	)		(239,913	)		—		(0.09	)
	Other		1,685			—		0.00			1,270			—		0.00			1,179			—		0.00
Subtotal			16,760,480			2.09		5.97			15,189,753			2.27		5.66			13,921,483			2.52		5.30
Other	Cash		1,598,111			—		0.57			1,506,765			—		0.56			1,337,416			—		0.51
	Fixed assets held for business		3,220,947			—		1.15			3,223,574			—		1.20			3,266,699			—		1.24
	Other		11,880,265			—		4.23			11,773,959			—		4.40			12,951,392			—		4.93
Subtotal			16,699,323			—		5.95			16,504,298			—		6.16			17,555,507			—		6.68
Total			280,640,109			—		100.00			267,804,876			—		100.00			262,566,747			—		100.00

* Consolidated basis.

11

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 September 30, 2012(1)		As of December 31, 2011(1)		As of December 31, 2010(2)
Total Capital (A)		26,844,274		25,062,681		23,948,343
Risk-weighted assets (B)		196,367,029		192,812,547		183,077,983
BIS ratio (A/B)(3)		13.67		13.00		13.08

(1) Based on Korean IFRS (consolidated basis).

(2) Based on Korean GAAP (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 September 30, 2012(1)		As of December 31, 2011(1)		As of December 31, 2010(2)
Total Capital (A)		21,284		19,668		20,801
Risk-weighted assets (B)		152,237		145,185		154,806
BIS ratio (A/B)		13.98		13.55		13.44

(1) Based on Korean IFRS (consolidated basis).

(2) Based on Korean GAAP (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
			Korea Ratings (A1 ~ D)
12/07/2011	Commercial Paper	A1	KIS Ratings (A1 ~ D)	—
			NICE Investors Service(2) (A1 ~ D)

(1) Redeemed in full as of September 30, 2012.

(2) Formerly NICE Ratings

12

3. Financial Information

3.1. Separate Condensed Financial Information

3.1.1. Separate Statements of Financial Position

(Unit: in millions of Won)
	As of September 30, 2012		As of December 31, 2011		As of December 31, 2010		As of January 1, 2010
Cash and due from financial institutions		98,970		32,031		759,998		845,366
Loans		35,000		60,000		160,000		170,000
Investments in subsidiaries		17,944,848		17,773,322		17,673,322		17,612,122
Property and equipment		539		759		1,109		1,718
Intangible assets		9,910		10,531		11,057		9,176
Current income tax assets		—		—		125,423		—
Deferred income tax assets		3,248		2,445		898		—
Other assets		311,212		631,602		48,105		25,932
Total Assets		18,403,727		18,510,690		18,779,912		18,664,314
Debts		—		130,000		—		—
Debentures		—		49,988		799,353		798,421
Defined benefit liabilities		2,163		992		1,134		1,049
Current income tax liabilities		257,687		578,729		—		—
Other liabilities		47,688		34,701		158,304		6,401
Total Liabilities		307,538		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		2,650,622		2,270,713		2,375,554		2,412,876
Total Equity		18,096,189		17,716,280		17,821,121		17,858,443
Total Liabilities and Equity		18,403,727		18,510,690		18,779,912		18,664,314

13

3.1.2. Separate Statements of Comprehensive Income

(Unit: in millions of Won, except per share amounts)
	For the nine months ended September 30, 2012			For the nine months ended September 30, 2011			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income (expense)		1,700			(11,716	)		(14,572	)		(17,281	)
Net fee and commission income (expense)		(3,110	)		(4,365	)		(6,079	)		(6,951	)
Net other operating income		687,925			—			—			95,305
General and administrative expenses		(29,757	)		(28,484	)		(41,711	)		(31,187	)
Operating profit before provision for credit losses		656,758			(44,565	)		(62,362	)		39,886
Provision for credit losses		—			—			—			—
Operating profit (loss)		656,758			(44,565	)		(62,362	)		39,886
Net non-operating income (expense)		521			(41	)		(2,863	)		792
Profit (loss) before tax		657,279			(44,606	)		(65,225	)		40,678
Income tax benefit (expense)		803			486			1,547			897
Profit (loss) for the period		658,082			(44,120	)		(63,678	)		41,575
Total comprehensive income (loss) for the period		658,082			(44,120	)		(63,678	)		41,575
Earnings (loss) per share
Basic earnings (loss) per share (Won)		1,703			(122	)		(173	)		121
Diluted earnings (loss) per share (Won)		1,699			(122	)		(173	)		121

14

3.2. Consolidated Condensed Financial Information

3.2.1. Consolidated Statements of Financial Position

	(Unit: in millions of Won)
	As of September 30, 2012		As of December 31, 2011		As of December 31, 2010			As of January 1, 2010
Cash and due from financial institutions		12,638,278		9,178,125		6,829,828			9,102,630
Financial assets at fair value through profit and loss		6,450,694		6,326,104		4,013,313			4,592,491
Derivative financial assets		2,162,642		2,448,455		2,595,121			3,392,391
Loans		217,309,389		212,107,027		197,621,004			196,686,844
Financial investments		36,572,343		35,432,182		36,189,650			35,036,710
Investments in associates and joint ventures		1,022,041		892,132		723,411			614,717
Property and equipment		3,122,669		3,186,020		3,150,260			3,257,911
Investment property		52,762		51,552		52,921			67,977
Intangible assets		537,563		468,441		504,920			402,577
Deferred income tax assets		21,688		22,329		4,045			16,504
Assets held for sale		7,054		9,931		9,353			20,160
Other assets		11,319,586		7,478,519		7,076,796			6,968,059
Total Assets		291,216,709		277,600,817		258,770,622			260,158,971
Financial liabilities at fair value through profit and loss		1,721,677		1,388,079		1,294,859			1,364,223
Derivative financial liabilities		1,957,941		2,059,573		2,236,359			3,138,394
Deposits		197,215,532		190,337,590		179,862,071			169,065,043
Debts		19,742,681		16,823,838		11,744,389			13,834,104
Debentures		23,893,481		27,069,879		29,107,316			38,661,962
Provisions		694,002		797,739		1,020,070			576,154
Defined benefit liabilities		265,556		128,488		125,463			167,387
Current income tax liabilities		260,086		588,825		29,641			99,752
Deferred income tax liabilities		207,757		220,842		283,575			404,639
Other liabilities		20,650,021		15,086,169		13,400,949			13,416,625
Total Liabilities		266,608,734		254,501,022		239,104,692			240,728,283
Equity attributable to shareholders of the Company		24,408,040		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		400,657		191,642		430,572			350,941
Retained earnings		6,235,325		4,952,751		2,620,888			2,553,185
Treasury shares		—		—		(2,476,809	)		(2,476,809	)
Non-controlling interests		199,935		181,820		1,169,243			1,080,995
Total equity		24,607,975		23,099,795		19,665,930			19,430,688
Total liabilities and equity		291,216,709		277,600,817		258,770,622			260,158,971
Number of consolidated companies		70		67		58			50

15

3.2.2. Consolidated Statements of Comprehensive Income

	(Unit: in millions of Won, except per share amounts)
	For the nine months ended September 30, 2012			For the nine months ended September 30, 2011			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income (expense)		5,364,617			5,246,223			7,104,512			6,173,804
Net fee and commission income (expense)		1,197,816			1,392,143			1,794,750			1,704,714
Net gains (losses) on financial assets/liabilities at fair value through profit and loss		705,690			710,531			1,035,867			814,808
Net other operating income (expenses)		(1,047,572	)		(531,854	)		(1,092,009	)		(1,067,343	)
General and administrative expenses		(3,006,547	)		(2,847,564	)		(3,931,808	)		(4,366,629	)
Operating profit before provision for credit losses		3,214,004			3,969,479			4,911,312			3,259,354
Provision for credit losses		(1,129,613	)		(1,006,225	)		(1,512,978	)		(2,871,417	)
Net operating profit (loss)		2,084,391			2,963,254			3,398,334			387,937
Net non-operating income (expense)		(37,248	)		(78,392	)		(137,528	)		(238,569	)
Profit (loss) before income tax		2,047,143			2,884,862			3,260,806			149,368
Income tax benefit (expense)		(482,044	)		(683,793	)		(832,234	)		70,541
Profit (loss) for the period		1,565,099			2,201,069			2,428,572			219,909
Other comprehensive income (loss) for the period, net of tax		229,791			(174,754	)		(235,748	)		99,329
Profit attributable to:		1,565,099			2,201,069			2,428,572			219,909
Shareholders of the parent entity		1,560,747			2,153,957			2,373,026			146,600
Non-controlling interests		4,352			47,112			55,546			73,309
Total comprehensive income attributable to:		1,794,890			2,026,315			2,192,824			319,238
Shareholders of the parent entity		1,769,762			1,982,008			2,134,096			226,231
Non-controlling interests		25,128			44,307			58,728			93,007
Earnings (loss) per share
Basic earnings (loss) per share (Won)		4,040			5,969			6,461			427
Diluted earnings (loss) per share (Won)		4,029			5,957			6,445			427

16

3.3. Other Selected Financial Data

3.3.1. Won-denominated Liquidity Ratio

	(Unit: in billions of Won, %)
Category	Third Quarter 2012(1)(2)			2011(1)(2)			2010(1)(3)
Current assets in Won (A)		18.6			20.1			763.7
Current liabilities in Won (B)		5.1			2.6			1.5
Current ratio (A/B)		362.61	%		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 Korean IFRS (separate basis).

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

3.3.2. Selected ratios

(Unit: %)
Category	Third Quarter 2012(1)(3)		2011(1)		2010(2)
Net income as a percentage of average total assets		0.73		0.88		0.03
Net income as a percentage of average shareholders’ equity		8.82		11.36		0.49

(1) Based on Korean IFRS (consolidated basis).

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

(3) Annualized basis

17

3.3.3. 20 Largest Exposures of Kookmin Bank by Borrower

	(As of September 30, 2012)
Company	Credit extended*
	(Unit: in billions of Won)
Hyundai Heavy Industries		1,208
Daewoo Shipbuilding & Marine Engineering		978
Hyundai Steel		856
LG Electronics		817
GS Caltex		646
Samsung Heavy Industries		630
Samsung Display		514
Shinhan Financial Group		482
Hyundai Capital		476
Hyundai Motor Company		473
S-Oil Corporation		454
KT Corporation		437
SK Energy		426
Daewoo International		377
Samsung Electronics		360
SK Telecom		355
LG Display		353
Bank Of America		336
Samsung C&T Corporation		321
Hankook Tire		320
Total		10,819

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

18

3.3.4. 10 Largest Exposures of Kookmin Bank by Chaebol Group

	(As of September 30, 2012)
Group	Credit extended*
	(Unit: in billions of Won)
Hyundai Motor		3,613
Samsung		3,440
LG		2,319
SK		2,115
Hyundai Heavy Industries		1,906
GS		1,057
Daewoo Shipbuilding & Marine Engineering		1,043
POSCO		1,003
Lotte		840
Hanwha		821
Total		18,157

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

3.3.5. Kookmin Bank’s Loan Concentration by Industry

	(As of September 30, 2012)
Industry	Total Credit		Percentage of Total Credit
	(Unit: in billions of Won, %)
Manufacturing		35,471		34.60
Construction		6,267		6.11
Real estate		16,810		16.40
Retail and wholesale		17,166		16.75
Hotel, leisure or transportation		6,927		6.76
Finance and insurance		1,375		1.34
Other		18,487		18.04
Total		102,503		100.00

19

3.3.6. Top 20 Non-Performing Loans of Kookmin Bank

		(As of September 30, 2012)
	Industry	Total Credit		Allowance for Loan Losses
	(Unit: in billions of Won)
Borrower A	Real estate and leasing		183		54
Borrower B	Manufacturing		107		75
Borrower C	Construction		64		63
Borrower D	Construction		45		24
Borrower E	Retail and wholesale		44		0
Borrower F	Construction		43		41
Borrower G	Finance and insurance		42		14
Borrower H	Construction		40		40
Borrower I	Arts, sports and recreation related services		39		3
Borrower J	Electricity, gas, steam and water supply		35		20
Borrower K	Manufacturing		31		30
Borrower L	Manufacturing		30		24
Borrower M	Manufacturing		29		7
Borrower N	Construction		27		17
Borrower O	Retail and wholesale		26		0
Borrower P	Real estate and leasing		26		9
Borrower Q	Finance and insurance		26		25
Borrower R	Construction		26		23
Borrower S	Construction		25		23
Borrower T	Real estate and leasing		25		2
Total			913		494

3.4. Other Financial Information

See Exhibit 99.1/99.2 KB Financial Group Review Report by our independent auditors for our full consolidated and separate financial statements and relevant notes, which have been prepared in accordance with Korean IFRS. The Review Report will also be available on our website, www.kbfng.com.

20

4. Independent Public Accountants

4.1. Audit / Review Services

Period	Auditor	Activity	Compensation(1) (in millions of Won)	Accrued Time (hours)
January 1 to September 30, 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 (annualized basis)	4,920
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	12,950
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 September 30, 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.

21

5. Corporate Governance and Affiliated Companies

5.1. Board of Directors & Committees under the Board

As of September 30, 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.

22

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		1,163		291		—		—
Non-executive Directors (excluding audit committee members)		4		248		62		—		—
Audit committee members or internal auditor		5		291		58		—		—
Total		13		1,703		131		—		—

(1) Represents total amount paid for the nine months ended September 30, 2012.

(2) Represents (i) the total amount paid for the nine months ended September 30, 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 1,583 million in our income statement for the nine months ended September 30, 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.

23

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 September 30, 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%)

24

6. Directors, Senior Management and Employees

6.1. Executive Directors

As of September 30, 2012, 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 September 30, 2012 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 September 30, 2012, we had two non-standing directors. The name and position of our non-standing directors and the number of shares of KB Financial Group’s common stock they respectively owned as of September 30, 2012 are set forth below.

Name	Date of Birth	Position	Common Shares Owned
Byong Deok Min	May 1954	Non-Standing Director		3,475
Vaughn Richtor	October 1955	Non-Standing Director		—

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 September 30, 2012 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		—
Sang Moon Hahm	February 1954	Non-Executive Director		4,127
Seung Hee Koh	June 1955	Non-Executive Director		—
Young Nam Lee	September 1957	Non-Executive Director		—
Jae Mok Cho	January 1961	Non-Executive Director		—

25

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 September 30, 2012.

Name	Date of Birth	Position	Common Shares Owned
Dong Chang Park	February 1952	Deputy President & Chief Strategy Officer		200
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	Senior Managing Director (KB Research)		260
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 September 30, 2012.

	(Unit: in millions of Won)
	Number of Employees		Average Tenure of Employees (months)		Total Payment(1)		Average Payment per Person(2)
Total		148		25 months		10,823		73

(1) Represents (i) the total amount paid for the nine months ended September 30, 2012 divided by (ii) the total number of employees as of September 30, 2012.

26

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 September 30, 2012.

			(Unit: Shares, %)
Name	Number of Shares of Common Stock		Percentage of Total Issued Shares
Citibank, N.A.(1)		33,653,277		8.71
Korean National Pension Service(2)		31,817,770		8.24
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, 2011, unless otherwise indicated.

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

(2) The number of shares of common stock as of August 1, 2012, based on a public filing made by the Korean National Pension Service on October 9, 2012. As of December 31, 2011, the Korean National Pension Service held 26,510,171 shares.

7.2. Changes in the Largest Shareholder

(As of September 30, 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		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.

27

7.3. Employee Stock Ownership Association

(As of September 30, 2012)			(Unit: Shares)
Company Name	Number of shares		Type of shares
KB Financial Group		19,233	Common Stock
Kookmin Bank		2,951,663	Common Stock
KB Kookmin Card Co., Ltd.		142,357	Common Stock
KB Investment & Securities Co., Ltd.		31,092	Common Stock
KB Life Insurance Co., Ltd.		20,396	Common Stock
KB Asset Management Co., Ltd.		7,710	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.		15,256	Common Stock
KB Data Systems Co., Ltd.		21,791	Common Stock
KB Savings Bank Co., Ltd.		3,299	Common Stock
Total		3,230,161	Common Stock

7.4. Investments in Certain Affiliated Companies

(As of September 30, 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		257,728,625		2,008,579			(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		5,014,449		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 Korean IFRS (separate basis).

(2) KB Kookmin Card 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, 2011.

(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.

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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

25

CD 3M + 226 bps

June 29, 2013

KB Investment Co., Ltd.

Subsidiary

Loans

20

10

CD 3M + 137 bps

June 29, 2013

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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.

	KB Financial Group Inc.
	(Registrant)
Date: November 29, 2012	By:	/s/ Jong Kyoo Yoon
	(Signature)
	Name:	Jong Kyoo Yoon
	Title:	Deputy President & CFO

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