Form 6-K

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 July 2015

Commission File Number: 000-53445

KB Financial Group Inc.

(Translation of registrant’s name into English)

84, 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 .

2015 First Half Preliminary Operating Results

On July 23, 2015, KB Financial Group Inc. (“KB Financial Group”) held an earnings conference and released its preliminary operating results for the first half of fiscal year 2015. The following tables reflect the key figures released during the conference. The presentation materials for the conference, which contain further details, are available at KB Financial Group’s website (http://www.kbfg.com).

The preliminary figures presented herein are based on the International Financial Reporting Standards as adopted by the Republic of Korea (“K-IFRS”) and are currently being reviewed by our independent auditors and are subject to change.

Preliminary operating results of KB Financial Group (Consolidated)


(Won in millions, %)		2Q 2015		1Q 2015		% Change Increase (Decrease) (Q to Q)			2Q 2014*		% Change Increase (Decrease) (Y to Y)

Operating revenue**	Specified Quarter		5,402,522		5,250,370		2.90	%		5,707,527		-5.34	%
Operating revenue**	Cumulative		10,652,892		5,250,370		—			10,694,088		-0.39	%

Net operating profit	Specified Quarter		397,893		535,893		-25.75	%		525,409		-24.27	%
Net operating profit	Cumulative		933,786		535,893		—			1,009,133		-7.47	%

Profit before income tax	Specified Quarter		434,957		741,719		-41.36	%		522,767		-16.80	%
Profit before income tax	Cumulative		1,176,676		741,719		—			1,023,755		14.94	%

Profit for the period	Specified Quarter		346,408		613,155		-43.50	%		398,929		-13.17	%
Profit for the period	Cumulative		959,563		613,155		—			758,163		26.56	%

Profit attributable to shareholders of the parent company	Specified Quarter		339,621		604,965		-43.86	%		392,219		-13.41	%
	Cumulative		944,586		604,965		—			751,453		25.70	%

*	The figures reflect adjustments resulting from retrospective application of a change in accounting policy on income tax.

**	Represents the sum of interest income, fee and commission income, gain on financial assets/liabilities at fair value through profit or loss, and other operating income.

Preliminary operating results of Kookmin Bank (Consolidated)


(Won in millions, %)		2Q 2015		1Q 2015		% Change Increase (Decrease) (Q to Q)			2Q 2014*		% Change Increase (Decrease) (Y to Y)

Operating revenue**	Specified Quarter		4,093,851		3,840,230		6.60	%		4,403,545		-7.03	%
Operating revenue**	Cumulative		7,934,081		3,840,230		—			8,177,552		-2.98	%

Net operating profit	Specified Quarter		302,447		347,249		-12.90	%		343,551		-11.96	%
Net operating profit	Cumulative		649,696		347,249		—			665,907		-2.43	%

Profit before income tax	Specified Quarter		318,610		554,601		-42.55	%		369,586		-13.79	%
Profit before income tax	Cumulative		873,211		554,601		—			709,484		23.08	%

Profit for the period	Specified Quarter		253,997		476,192		-46.66	%		288,469		-11.95	%
Profit for the period	Cumulative		730,189		476,192		—			532,410		37.15	%

Profit attributable to shareholders of the parent company	Specified Quarter		253,997		476,192		-46.66	%		288,469		-11.95	%
	Cumulative		730,189		476,192		—			532,410		37.15	%

*	The figures reflect adjustments resulting from retrospective application of a change in accounting policy on income tax.

**	Represents the sum of interest income, fee and commission income, gain on financial assets/liabilities at fair value through profit or loss, and other operating income.

Preliminary operating results of KB Kookmin Card Co., Ltd. (Consolidated)


(Won in millions, %)		2Q 2015		1Q 2015		% Change Increase (Decrease) (Q to Q)		2Q 2014		% Change Increase (Decrease) (Y to Y)

Operating revenue*	Specified Quarter		733,347		742,099		-1.18%		687,428		6.68%
Operating revenue*	Cumulative		1,475,446		742,099		—		1,409,734		4.66%

Net operating profit	Specified Quarter		91,380		129,432		-29.40%		123,809		-26.19%
Net operating profit	Cumulative		220,812		129,432		—		248,708		-11.22%

Profit before income tax	Specified Quarter		91,224		128,919		-29.24%		123,704		-26.26%
Profit before income tax	Cumulative		220,143		128,919		—		247,893		-11.19%

Profit for the period	Specified Quarter		70,711		98,087		-27.91%		94,996		-25.56%
Profit for the period	Cumulative		168,798		98,087		—		189,435		-10.89%

Profit attributable to shareholders of the parent company	Specified Quarter		70,711		98,087		-27.91%		94,996		-25.56%
	Cumulative		168,798		98,087		—		189,435		-10.89%

*	Represents the sum of interest income, fee and commission income, and other operating income.

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: July 23, 2015	By:	/s/ Jong-Hee Yang
	(Signature)

	Name:	Jong-Hee Yang
	Title:	Deputy President