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 August 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 First Half of 2012 (Consolidated)

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

TABLE OF CONTENTS

1.	Introduction to the Company
1.1.	Business Purposes
1.2.	History
1.3.	Overview of the Business Group
1.4.	Capital Structure
1.5.	Dividend
2.	Business
2.1.	Results of Operations
2.2.	Source and Use of Funds
2.3.	Other Information for Investment Decision
3.	Financial Information
3.1.	Separate Condensed Financial Information
3.2.	Consolidated Condensed Financial Information
3.3.	Other Selected Financial Data
3.4.	Other Financial Information
4.	Independent Public Accountants
4.1.	Audit / Review Services
4.2.	Non-Audit Services
5.	Corporate Governance and Affiliated Companies
5.1.	Board of Directors & Committees under the Board
5.2.	Audit Committee
5.3.	Compensation to Directors
5.4.	Affiliated Companies
6.	Directors, Senior Management and Employees
6.1.	Executive Directors
6.2.	Non-Standing Directors
6.3.	Non-Executive Directors
6.4.	Senior Management
6.5.	Employees
7.	Major Stockholders and Related Party Transactions
7.1.	Major Stockholders
7.2.	Changes in the Largest Shareholder
7.3.	Employee Stock Ownership Association
7.4.	Investments in Affiliated Companies
7.5.	Related Party Transactions

Summary of 2012 First Half Business Report

On August 29, 2012, KB Financial Group Inc. (“KB Financial Group”) filed its business report for the first half 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.

1. Introduction to the Company

1.1. Business Purposes

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 credit card business, financial investment business, 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 27, 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

• 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.

• 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

1.3. Overview of the Business Group

	(As of June 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	KB Financial Group	Not listed
	KB Investment & Securities	KB Financial Group	Not listed
	KB Life Insurance	KB Financial Group	Not listed
	KB Asset Management	KB Financial Group	Not listed
	KB Real Estate Trust	KB Financial Group	Not listed
	KB Investment	KB Financial Group	Not listed
	KB Credit Information	KB Financial Group	Not listed
	KB Data Systems	KB Financial Group	Not listed
	KB Savings Bank	KB Financial Group	Not listed
2nd Tier Subsidiaries	Kookmin Bank Hong Kong	Kookmin Bank	Not listed
	Kookmin Bank International	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 PEF 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

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 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.

1.4. Capital Structure

1.4.1. Common Shares

Capital Increase

(As of June 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 June 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 June 30, 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. Dividend

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%.

2. Business

2.1. Results of Operations

	(Unit: in millions of Won)
	For the six  months ended June 30, 2012			For the six  months ended June 30, 2011			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income		3,584,691			3,434,203			7,104,512			6,173,804
Interest income		7,177,667			6,704,159			13,956,257			13,051,936
Interest expense		(3,592,976	)		(3,269,956	)		(6,851,745	)		(6,878,132	)
Net fee and commission income		770,487			992,737			1,794,750			1,704,714
Fee and commission income		1,378,878			1,454,651			2,829,754			2,481,451
Fee and commission expense		(608,391	)		(461,914	)		(1,035,004	)		(776,737	)
Net gains (losses) on financial assets/liabilities at fair value through profit and loss		497,254			605,012			1,035,867			814,808
Net other operating income (expenses)		(585,235	)		(257,787	)		(1,092,009	)		(1,067,343	)
G&A Expenses		(1,965,725	)		(1,880,334	)		(3,931,808	)		(4,366,629	)
Employee compensation and benefits		(884,958	)		(895,585	)		(1,870,864	)		(2,406,852	)
Depreciation and amortization		(153,934	)		(153,005	)		(342,493	)		(347,692	)
Other general and administrative expenses		(926,833	)		(831,744	)		(1,718,451	)		(1,612,085	)
Net operating income before provision for credit losses		2,301,472			2,893,831			4,911,312			3,259,354
Provision for credit losses		(753,878	)		(718,063	)		(1,512,978	)		(2,871,417	)
Operating profit		1,547,594			2,175,768			3,398,334			387,937

* Consolidated basis.

2.2. Source and Use of Funds

2.2.1. Source of Funds

		(Unit: in millions of Won, %)
		For the six months ended June 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		178,128,799		3.16		63.80		169,714,084		3.02		63.38		152,853,317		2.93		58.20
	Certificate of deposit		1,681,213		4.01		0.60		1,745,901		3.90		0.65		11,044,417		4.00		4.21
	Borrowings		5,385,698		3.05		1.93		4,593,395		3.01		1.72		3,775,933		2.84		1.44
	Call money		2,958,377		3.22		1.06		1,779,391		3.01		0.66		836,862		2.20		0.32
	Debentures		21,340,093		5.19		7.64		24,454,683		5.37		9.13		30,865,318		5.42		11.76
	Other		3,532,511		3.68		1.27		3,713,710		3.50		1.39		3,790,878		2.89		1.44
Subtotal			213,026,691		3.38		76.30		206,001,164		3.31		76.93		203,166,725		3.36		77.37
Foreign currency	Deposits		4,771,052		0.90		1.71		3,394,042		0.64		1.27		3,587,564		0.69		1.37
	Borrowings		8,707,798		0.92		3.12		7,464,052		0.92		2.79		6,021,855		1.05		2.29
	Call money		1,178,597		0.79		0.42		896,482		0.84		0.33		1,046,087		0.68		0.40
	Debentures		3,688,390		5.05		1.32		3,945,798		4.96		1.47		4,561,180		4.16		1.74
	Other		148,524		1.59		0.05		134,421		0.59		0.05		125,392		0.75		0.05
Subtotal			18,494,361		1.74		6.62		15,834,795		1.86		5.91		15,342,078		1.86		5.85
Other	Total shareholders’ equity		23,707,112		—		8.49		22,823,040		—		8.52		20,501,935		—		7.81
	Allowances		1,210,264		—		0.43		1,096,724		—		0.41		1,032,427		—		0.39
	Other		22,770,594		—		8.16		22,049,153		—		8.23		22,523,582		—		8.58
Subtotal			47,687,970		—		17.08		45,968,917		—		17.16		44,057,944		—		16.78
Total			279,209,022		—		100.00		267,804,876		—		100.00		262,566,747		—		100.00

* Consolidated basis.

2.2.2. Use of Funds

		For the six months ended June 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		3,413,267			3.93		1.22			1,622,223			3.75		0.61			1,307,747			2.42		0.50
	Securities		42,046,187			4.34		15.06			41,166,103			4.60		15.38			41,504,702			4.69		15.81
	Loans		185,820,532			5.60		66.56			179,786,245			5.63		67.14			173,430,344			5.29		66.05
	Guarantee payments under payment guarantee		73,210			0.95		0.03			142,018			0.26		0.05			172,832			0.60		0.07
	Call loan		1,891,252			3.33		0.68			1,345,886			3.18		0.50			1,487,626			2.20		0.57
	Private placement corporate bonds		723,553			7.48		0.26			1,361,495			5.88		0.51			2,701,689			5.47		1.03
	Credit cards		12,213,617			11.04		4.37			12,377,664			10.82		4.62			11,922,426			10.85		4.54
	Other		3,204,104			9.20		1.15			1,963,980			11.42		0.73			2,402,286			7.45		0.91
	Allowance		(3,489,106	)		—		(1.25	)		(3,654,789	)		—		(1.36	)		(3,839,895	)		—		(1.46	)
Subtotal			245,896,616			5.74		88.08			236,110,825			5.83		88.18			231,089,757			5.55		88.02
Foreign currency	Due from banks		725,158			1.71		0.26			676,389			2.05		0.25			571,545			1.12		0.22
	Securities		1,478,057			2.89		0.53			1,693,605			3.82		0.63			2,087,107			2.97		0.79
	Loans		9,546,810			2.28		3.42			9,355,591			2.21		3.49			8,477,924			2.60		3.23
	Call loan		1,847,645			0.96		0.66			1,236,257			0.74		0.46			840,333			0.52		0.32
	Bills bought		3,188,149			2.02		1.14			2,432,861			2.08		0.91			2,183,308			2.63		0.83
	Allowance		(183,748	)		—		(0.07	)		(206,220	)		—		(0.08	)		(239,913	)		—		(0.09	)
	Other		1,532			—		0.00			1,270			—		0.00			1,179			—		0.00
Subtotal			16,603,603			2.14		5.94			15,189,753			2.27		5.66			13,921,483			2.52		5.30
Other	Cash		1,600,011			—		0.57			1,506,765			—		0.56			1,337,416			—		0.51
	Fixed assets held for business		3,230,552			—		1.16			3,223,574			—		1.20			3,266,699			—		1.24
	Other		11,878,240			—		4.25			11,773,959			—		4.40			12,951,392			—		4.93
Subtotal			16,708,803			—		5.98			16,504,298			—		6.16			17,555,507			—		6.68
Total			279,209,022			—		100.00			267,804,876			—		100.00			262,566,747			—		100.00

* Consolidated basis.

2.3. Other Information for Investment Decision

2.3.1. Capital Adequacy

KB Financial Group (calculated in accordance with Basel I)	(Unit: in millions of Won, %)
	As of June 30, 2012(1)		As of December 31, 2011(1)		As of December 31, 2010(2)
Total Capital (A)		26,040,550		25,062,681		23,948,343
Risk-weighted assets (B)		196,705,684		192,812,547		183,077,983
BIS ratio (A/B)(3)		13.24		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 June 30, 2012(1)		As of December 31, 2011(1)		As of December 31, 2010(2)
Total Capital (A)		20,564		19,668		20,801
Risk-weighted assets (B)		153,863		145,185		154,806
BIS ratio (A/B)		13.36		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(*)	Credit Rating	Company (Ratings Range)	Evaluation
07/07/2011 06/30/2011 05/16/2011	Debentures Debentures Debentures	AAA AAA AAA	Korea Ratings (AAA ~ D) KIS Ratings (AAA ~ D) NICE Ratings (AAA ~ D)	Stable Stable Stable
12/07/2011	Commercial Paper	A1	Korea Ratings (A1 ~ D) KIS Ratings (A1 ~ D) NICE Ratings (A1 ~ D)	—

(*) Redeemed in full as of June 30, 2012.

3. Financial Information

3.1. Separate Condensed Financial Information

3.1.1. Separate Statements of Financial Position

	(Unit: in millions of Won)
	As of June  30, 2012		As of December 31, 2011		As of December 31, 2010		As of January  1, 2010
Cash and due from financial institutions		78,498		32,031		759,998		845,366
Loans		60,000		60,000		160,000		170,000
Investments in subsidiaries		17,944,848		17,773,322		17,673,322		17,612,122
Property and equipment		644		759		1,109		1,718
Intangible assets		10,029		10,531		11,057		9,176
Current income tax assets		—		—		125,423		—
Deferred income tax assets		2,638		2,445		898		—
Other assets		285,795		631,602		48,105		25,932
Total Assets		18,382,452		18,510,690		18,779,912		18,664,314
Debts		—		130,000		—		—
Debentures		—		49,988		799,353		798,421
Current income tax liabilities		240,232		578,729		—		—
Defined benefit liabilities		1,747		992		1,134		1,049
Other liabilities		35,105		34,701		158,304		6,401
Total Liabilities		277,084		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		2,659,801		2,270,713		2,375,554		2,412,876
Total Equity		18,105,368		17,716,280		17,821,121		17,858,443
Total Liabilities and Equity		18,382,452		18,510,690		18,779,912		18,664,314

3.1.2. Separate Statements of Comprehensive Income

	(Unit: in millions of Won, except per share amounts)
	For the six months ended June 30, 2012			For the six months ended June 30, 2011			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income (expense)		20			(8,289	)		(14,572	)		(17,281	)
Net fee and commission income (expense)		(1,560	)		(3,500	)		(6,079	)		(6,951	)
Net other operating income		687,925			—			—			95,305
General and administrative expenses		(19,139	)		(19,752	)		(41,711	)		(31,187	)
Operating profit before provision for credit losses		667,246			(31,541	)		(62,362	)		39,886
Provision for credit losses		—			—			—			—
Operating profit (loss)		667,246			(31,541	)		(62,362	)		39,886
Net non-operating income(expense)		(178	)		(346	)		(2,863	)		792
Profit (loss) before tax		667,068			(31,887	)		(65,225	)		40,678
Income tax benefit (expense)		193			308			1,547			897
Profit (loss) for the period		667,261			(31,579	)		(63,678	)		41,575
Other comprehensive income (loss) for the period		—			—			—			—
Total comprehensive income (loss) for the period		667,261			(31,579	)		(63,678	)		41,575
Earnings (loss) per share
Basic earnings (loss) per share (Won)		1,727			(90	)		(173	)		121
Diluted earnings (loss) per share (Won)		1,723			(90	)		(173	)		121

3.2. Consolidated Condensed Financial Information

3.2.1. Consolidated Statements of Financial Position

	(Unit: in millions of Won)
	As of June 30, 2012		As of December 31, 2011		As of December 31, 2010			As of January 1, 2010
Cash and due from financial institutions		10,415,433		9,178,125		6,829,828			9,102,630
Financial assets at fair value through profit and loss		6,932,394		6,326,104		4,013,313			4,592,491
Derivative financial assets		1,877,272		2,448,455		2,595,121			3,392,391
Loans		217,600,541		212,107,027		197,621,004			196,686,844
Financial investments		36,072,620		35,432,182		36,189,650			35,036,710
Investments in associates and joint ventures		1,011,397		892,132		723,411			614,717
Property and equipment		3,142,692		3,186,020		3,150,260			3,257,911
Investment property		51,403		51,552		52,921			67,977
Intangible assets		543,331		468,441		504,920			402,577
Deferred income tax assets		22,492		22,329		4,045			16,504
Assets held for sale		8,407		9,931		9,353			20,160
Other assets		11,553,822		7,478,519		7,076,796			6,968,059
Total Assets		289,231,804		277,600,817		258,770,622			260,158,971
Financial liabilities at fair value through profit and loss		1,618,366		1,388,079		1,294,859			1,364,223
Deposits		197,725,801		190,337,590		179,862,071			169,065,043
Debts		18,883,615		16,823,838		11,744,389			13,834,104
Derivative financial liabilities		1,613,548		2,059,573		2,236,359			3,138,394
Debentures		24,817,081		27,069,879		29,107,316			38,661,962
Provisions		753,645		797,739		1,020,070			576,154
Current income tax liabilities		248,490		588,825		29,641			99,752
Deferred income tax liabilities		207,331		220,842		283,575			404,639
Defined benefit liabilities		154,158		128,488		125,463			167,387
Other liabilities		19,216,264		15,086,169		13,400,949			13,416,625
Total Liabilities		265,238,299		254,501,022		239,104,692			240,728,283
Equity attributable to shareholders of the company		23,803,510		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		15,841,334		15,841,824		15,990,278			15,990,618
Accumulated other comprehensive income		205,196		191,642		430,572			350,941
Retained earnings		5,825,222		4,952,751		2,620,888			2,553,185
Treasury shares		—		—		(2,476,809	)		(2,476,809	)
Non-controlling interests		189,995		181,820		1,169,243			1,080,995
Total equity		23,993,505		23,099,795		19,665,930			19,430,688
Total liabilities and equity		289,231,804		277,600,817		258,770,622			260,158,971
Number of consolidated companies		70		67		58			50

3.2.2. Consolidated Statements of Comprehensive Income

	(Unit: in millions of Won, except per share amounts)
	For the six months ended June 30, 2012			For the six months ended June 30, 2011			For the year ended December 31, 2011			For the year ended December 31, 2010
Net interest income (expense)		3,584,691			3,434,203			7,104,512			6,173,804
Net fee and commission income (expense)		770,487			992,737			1,794,750			1,704,714
Net gains (losses) on financial assets/liabilities at fair value through profit and loss		497,254			605,012			1,035,867			814,808
Net other operating income		(585,235	)		(257,787	)		(1,092,009	)		(1,067,343	)
General and administrative expenses		(1,965,725	)		(1,880,334	)		(3,931,808	)		(4,366,629	)
Operating profit before provision for credit losses		2,301,472			2,893,831			4,911,312			3,259,354
Provision for credit losses		(753,878	)		(718,063	)		(1,512,978	)		(2,871,417	)
Net operating profit (loss)		1,547,594			2,175,768			3,398,334			387,937
Net non-operating income (expense)		(11,297	)		(73,656	)		(137,528	)		(238,569	)
Profit (loss) before income tax		1,536,297			2,102,112			3,260,806			149,368
Income tax benefit (expense)		(380,267	)		(491,774	)		(832,234	)		70,541
Profit (loss) for the period		1,156,030			1,610,338			2,428,572			219,909
Other comprehensive income (loss) for the period, net of tax		16,343			(94,306	)		(235,748	)		99,329
Profit attributable to:		1,156,030			1,610,338			2,428,572			219,909
Shareholders of the parent entity		1,150,644			1,574,885			2,373,026			146,600
Non-controlling interests		5,386			35,453			55,546			73,309
Total comprehensive income attributable to:		1,172,373			1,516,032			2,192,824			319,238
Shareholders of the parent entity		1,164,198			1,480,502			2,134,096			226,231
Non-controlling interests		8,175			35,530			58,728			93,007
Earnings (loss) per share
Basic earnings (loss) per share (Won)		2,978			4,509			6,461			427
Diluted earnings (loss) per share (Won)		2,971			4,502			6,445			427

3.3. Other Selected Financial Data

3.3.1. Won-denominated Liquidity Ratio

	(Unit: in billions of Won, %)
Category	First Half  2012(1)(2)			2011(1)(2)			2010(1)(3)
Current assets in Won (a)		81.0			20.1			763.7
Current liabilities in Won (b)		2.5			2.6			1.5
Current ratio (a/b)		3,254.77	%		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 in March 2009).

(2) Based on Korean IFRS (separate basis).

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

3.3.2. Selected ratios

	(Unit: %)
Category	First Half  2012(1)(3)		2011(1)		2010(2)
Net income as a percentage of average total assets		0.81		0.88		0.03
Net income as a percentage of average shareholders’ equity		9.87		11.36		0.49

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

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

(3) Annualized basis

3.3.3. 20 Largest Exposures of Kookmin Bank by Borrower

	(As of June 30, 2012)
Company	Credit extended *
	(Unit: in billions of Won)
Hyundai Heavy Industries		1,135
Daewoo Shipbuilding & Marine Engineering		1,015
Hyundai Steel		905
LG Electronics		815
GS Caltex		798
Samsung Display		663
Samsung Heavy Industries		602
Hyundai Capital		586
Shinhan Financial Group		463
Hyundai Motor Company		449
KT Corporation		436
Daewoo International		420
Shinhan Card		387
Samsung Electronics		378
S-Oil Corporation		372
SK Telecom		370
LG Display		363
Hankook Tire		345
LS-Nikko Copper Inc		334
CJ Cheiljedang Corp		333
Total		11,169

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

3.3.4. 10 Largest Exposures of Kookmin Bank by Chaebol Group

	(As of June 30, 2012)
Group	Credit extended*
	(Unit: in billions of Won)
Samsung		3,836
Hyundai Motor		3,680
SK		2,174
LG		2,173
Hyundai Heavy Industries		1,982
GS		1,097
Daewoo Shipbuilding & Marine Engineering		1,048
POSCO		975
Lotte		884
Hanwha		867
Total		18,716

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

3.3.5. Kookmin Bank’s Loan Concentration by Industry

	(As of June 30, 2012)
Industry	Total Credit		Percentage of Total Credit
	(Unit: in billions of Won, %)
Manufacturing		35,826		34.57
Construction		6,343		6.12
Real estate		16,518		15.94
Retail and wholesale		17,715		17.09
Hotel, leisure or transportation		6,992		6.75
Finance and insurance		1,782		1.72
Other		18,461		17.81
Total		103,637		100.00

3.3.6. Top 20 Non-Performing Loans of Kookmin Bank

		(As of June 30, 2012)
	Industry	Total Credit		Allowance for Loan Losses
	(Unit: in billions of Won)
Borrower A	Real estate and leasing		183		55
Borrower B	Manufacturing		109		76
Borrower C	Construction		63		63
Borrower D	Manufacturing		54		49
Borrower E	Construction		47		23
Borrower F	Finance and insurance		46		15
Borrower G	Construction		43		41
Borrower H	Arts, sports and recreation related services		41		0
Borrower I	Manufacturing		41		26
Borrower J	Construction		39		40
Borrower K	Real estate and leasing		34		15
Borrower L	Manufacturing		33		32
Borrower M	Retail and wholesale		31		0
Borrower N	Manufacturing		29		8
Borrower O	Construction		27		27
Borrower P	Real estate and leasing		26		17
Borrower Q	Real estate and leasing		26		9
Borrower R	Construction		26		23
Borrower S	Construction		25		22
Borrower T	Finance and insurance		22		25
Total			945		566

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.

4. Independent Public Accountants

4.1. Audit / Review Services

Period	Auditor	Activity	Compensation(1) (in millions of Won)	Accrued Time (hours)
January 1 to June 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)	3,170
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 June 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.

5. Corporate Governance and Affiliated Companies

5.1. Board of Directors & Committees under the Board

As of June 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.

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		785		196		—		—
Non-executive Directors (excluding audit committee members)		4		171		43		—		—
Audit committee members or internal auditor		5		195		39		—		—
Total		13		1,151		89		—		—

(1) Represents total amount paid for the six months ended June 30, 2012.

(2) Represents (i) the total amount paid for the six months ended June 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 772 million in our income statement for the six months ended June 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.

5.4. Affiliated Companies

5.4.1. List of Affiliated Companies

Affiliated companies of KB Financial Group and its ownership of such companies as of June 30, 2012 are as follows.

• Kookmin Bank (100.00%)

• KB Kookmin Card (100.00%)

• KB Investment & Securities (100.00%)

• KB Life Insurance (51.00%)

• KB Asset Management (100.00%)

• KB Real Estate Trust (100.00%)

• KB Investment (100.00%)

• KB Credit Information (100.00%)

• KB Data Systems (100.00%)

• KB Savings Bank (100.00%)

6. Directors, Senior Management and Employees

6.1. Executive Directors

As of June 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 June 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 June 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 June 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 June 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		3,857
Seung Hee Koh	June 1955	Non-Executive Director		—
Young Nam Lee	September 1957	Non-Executive Director		—
Jae Mok Cho	January 1961	Non-Executive Director		—

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 June 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 June 30, 2012.

	(Unit: in millions of Won)
	Number of Employees		Average Tenure of Employees (months)		Total  Payment(1)		Average Payment per Person(2)
Total		145		23 months		7,091		49

(1) Represents the total amount paid (excluding bonuses and fringe benefits) for the six months ended June 30, 2012.

(2) Represents (i) the total amount paid (excluding bonuses and fringe benefits) for the six months ended June 30, 2012 divided by (ii) the total number of employees as of June 30, 2012.

7. Major Stockholders and Related Party Transactions

7.1. Major Stockholders

The following table presents information regarding holders of 5% or more of our total issued shares as of June 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)		27,894,880		7.22
ING Bank N.V.		19,401,044		5.02

* The number of shares of common stock presented for each stockholder 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) Based on a public disclosure made by the Korean National Pension Service on April 9, 2012. As of December 31, 2011, Korean National Pension Service held 26,510,171 shares.

7.2. Changes in the Largest Shareholder

(As of June 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	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 27, 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 periods on or after September 2, 2009, and 356,351,693 total issued shares of common stock for periods on or prior to July 27, 2009.

7.3. Employee Stock Ownership Association

(As of June 30, 2012)	(Unit: Shares)
Company Name	Number of shares		Type of shares
KB Financial Group		19,622		Common Stock
Kookmin Bank		3,005,355		Common Stock
KB Kookmin Card		146,678		Common Stock
KB Investment & Securities		32,026		Common Stock
KB Life Insurance		20,396		Common Stock
KB Asset Management		7,987		Common Stock
KB Real Estate Trust		14,574		Common Stock
KB Investment		4,649		Common Stock
KB Credit Information		15,813		Common Stock
KB Data Systems		22,996		Common Stock
KB Savings Bank		3,299		Common Stock
Total		3,293,395		Common Stock

7.4. Investments in Affiliated Companies

(As of June 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(2)		92,000,000		100		1,953,175		13,327,760		320,778			(4	)
KB Investment & Securities(3)		31,588,314		100		507,212		3,269,526		28,653			(5	)
KB Life Insurance		28,152,000		51		138,484		5,014,449		15,252			(5	)
KB Asset Management		7,667,550		100		96,312		163,156		7,222			(5	)
KB Real Estate Trust		16,000,000		100		121,553		251,228		15,405			(4	)
KB Investment		8,951,797		100		104,910		126,404		8,425			(4	)
KB Credit Information		1,252,400		100		23,621		30,529		(2,391	)		(4	)
KB Data Systems		800,000		100		6,334		30,589		2,148			(4	)
KB Savings Bank(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 was merged into KB Investment & Securities 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 was added as a first-tier subsidiary on January 2, 2012, and completed a rights offering on January 14, 2012.

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

Subsidiary

Loans

50

50

CD 3M + 226 bps

June 29, 2013

KB Investment

Subsidiary

Loans

20

10

CD 3M + 137 bps

June 29, 2013

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: August 29, 2012	By: /s/ Jong Kyoo Yoon
	(Signature)
	Name:	Jong Kyoo Yoon
	Title:	Deputy President & CFO