KB Financial Group (KB) 2Q 2026 profit to shareholders rises 14.6%

Rhea-AI Filing Summary

KB Financial Group Inc. released preliminary K-IFRS operating results for the first half of 2026, which are under review by independent auditors and may change. For 2Q 2026, one key table shows operating revenue of 31,757,381 million won, up 31.23% from 2Q 2025 and 3.45% quarter on quarter. Profit for the period was 2,010,508 million won, a 15.05% year-on-year increase. Profit attributable to shareholders of the parent company reached 1,992,189 million won, rising 14.60% year on year and 5.27% from 1Q 2026.

On a cumulative basis for the first half of 2026, operating revenue in the same table totaled 62,456,304 million won, compared with 43,944,457 million won a year earlier, an increase of 42.13%. Cumulative profit attributable to shareholders of the parent company was 3,884,590 million won, up 13.07% from the first half of 2025. Additional tables show mixed trends across other parts of the group, including one set of figures with year-on-year declines in revenue and profit and another with very strong gains, such as operating revenue up 281.71% and profit attributable to shareholders up 133.90% year on year in 2Q 2026.

Positive

• A key table shows 2Q 2026 profit attributable to shareholders of 1,992,189 million won, up 14.60% year on year, while cumulative first-half profit attributable rose 13.07% to 3,884,590 million won, indicating solid earnings growth.

Negative

• None.

Key Figures

2Q 2026 operating revenue (key table): 31,757,381 million won 2Q 2026 profit attributable to shareholders: 1,992,189 million won 2Q 2026 profit for the period: 2,010,508 million won +3 more

6 metrics

2Q 2026 operating revenue (key table) 31,757,381 million won Specified quarter operating revenue in a main table, up 31.23% year on year

2Q 2026 profit attributable to shareholders 1,992,189 million won Specified quarter profit attributable to shareholders, up 14.60% vs 2Q 2025

2Q 2026 profit for the period 2,010,508 million won Specified quarter profit for the period, up 15.05% year on year

1H 2026 cumulative operating revenue 62,456,304 million won First-half cumulative operating revenue, up 42.13% vs first half 2025

1H 2026 cumulative profit attributable 3,884,590 million won First-half cumulative profit attributable to shareholders, up 13.07% year on year

2Q 2026 operating revenue (third table) 12,277,934 million won Specified quarter operating revenue in another table, up 281.71% vs 2Q 2025

Key Terms

K-IFRS, net operating profit, profit attributable to shareholders of the parent company, foreign private issuer, +1 more

5 terms

K-IFRS financial

"figures presented herein are based on International Financial Reporting Standards as adopted by the Republic of Korea (“K-IFRS”)"

net operating profit financial

"Net operating profit | | Specified Quarter | | | 2,712,548"

Net operating profit is the money a company keeps from its regular business activities after paying the costs needed to run the business — such as wages, rent and supplies — but before profits or losses from financing or one‑time events. Think of it as the cash left in a household budget after paying recurring bills; investors watch it to judge whether the core business is healthy and likely to generate sustainable returns.

profit attributable to shareholders of the parent company financial

"Profit attributable to shareholders of the parent company | | Specified Quarter | | | 1,992,189"

foreign private issuer regulatory

"Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

preliminary operating results financial

"Preliminary Operating Results for the First Half of 2026"

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FAQ

How did KB (KB) perform in terms of profit attributable to shareholders in 2Q 2026?

KB Financial Group’s profit attributable to shareholders in 2Q 2026 was 1,992,189 million won, up 14.60% year on year and 5.27% from 1Q 2026. This figure reflects solid earnings momentum within the group’s key operations during the quarter.

What were KB (KB) cumulative first-half 2026 profits attributable to shareholders?

Cumulative first-half 2026 profit attributable to shareholders of KB Financial Group totaled 3,884,590 million won, a 13.07% increase versus the first half of 2025. This growth accompanies a strong rise in operating revenue over the same period.

How did KB (KB) operating revenue change in 2Q 2026 compared to 2Q 2025?

One key revenue table shows 2Q 2026 operating revenue of 31,757,381 million won, up 31.23% from 24,200,489 million won in 2Q 2025. Quarter on quarter, this operating revenue rose 3.45% from 30,698,923 million won in 1Q 2026.

What were KB (KB) cumulative operating revenues for the first half of 2026?

Cumulative operating revenue in a main table for the first half of 2026 reached 62,456,304 million won, compared with 43,944,457 million won a year earlier. This represents a strong 42.13% year-on-year increase under K-IFRS reporting.

Did all parts of KB (KB) show profit growth in 2Q 2026?

No. While one table reports double-digit profit growth, another shows modest year-on-year declines in profit attributable to shareholders. A separate table reports very strong gains, including operating revenue up 281.71% and profit attributable up 133.90% year on year in 2Q 2026.

Are KB (KB) first-half 2026 results final and audited?

The 2026 first-half figures are preliminary and prepared under K-IFRS. They are currently being reviewed by KB Financial Group’s independent auditors and are therefore subject to change before becoming final.

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 2026

Commission File Number: 000-53445

KB Financial Group Inc.

(Translation of registrant’s name into English)

26, Gukjegeumyung-ro 8-gil, Yeongdeungpo-gu, Seoul 07331, 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 ☒ Form 40-F ☐

Preliminary Operating Results for the First Half of 2026

On July 23, 2026, KB Financial Group Inc. (“KB Financial Group”) held an earnings conference and released its preliminary operating results for the first half of fiscal year 2026. 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 International Financial Reporting Standards as adopted by the Republic of Korea (“K-IFRS”) and are currently being reviewed by KB Financial Group’s independent auditors and are therefore subject to change.

1. Preliminary Operating Results of KB Financial Group (Consolidated)

(Won in millions, %)				2Q 2026				1Q 2026		% Change Increase (Decrease) (Q to Q)		2Q 2025				% Change Increase (Y to Y)
Operating revenue		Specified Quarter			31,757,381			30,698,923		3.45			24,200,489				31.23
		Cumulative			62,456,304			—		—			43,944,457				42.13
Net operating profit		Specified Quarter			2,712,548			2,727,566		(0.55)			2,132,971				27.17
		Cumulative			5,440,114			—		—			4,425,999				22.91
Profit before income tax		Specified Quarter			2,732,758			2,631,140		3.86			2,343,141				16.63
		Cumulative			5,363,898			—		—			4,649,747				15.36
Profit for the period		Specified Quarter			2,010,508			1,916,469		4.91			1,747,580				15.05
		Cumulative			3,926,977			—		—			3,446,702				13.93
Profit attributable to shareholders of the parent company		Specified Quarter			1,992,189			1,892,401		5.27			1,738,422				14.60
		Cumulative			3,884,590			—		—			3,435,693				13.07

Notes: 1) “Operating revenue” represents the sum of interest income, fee and commission income, insurance income, reinsurance income, gain on financial assets/liabilities at fair value through profit or loss, other insurance finance income and other operating income.

2. Preliminary Operating Results of Kookmin Bank (Consolidated)

(Won in millions, %)				2Q 2026				1Q 2026		% Change Increase (Decrease) (Q to Q)		2Q 2025				% Change Increase (Decrease) (Y to Y)
Operating revenue		Specified Quarter			11,750,941			15,917,918		(26.18)			14,169,626				(17.07	)
		Cumulative			27,668,859			—		—			24,981,037				10.76
Net operating profit		Specified Quarter			1,505,435			1,624,950		(7.35)			1,556,425				(3.28	)
		Cumulative			3,130,385			—		—			2,945,334				6.28
Profit before income tax		Specified Quarter			1,509,062			1,517,739		(0.57)			1,537,223				(1.83	)
		Cumulative			3,026,801			—		—			2,911,248				3.97
Profit for the period		Specified Quarter			1,124,017			1,100,225		2.16			1,152,065				(2.43	)
		Cumulative			2,224,242			—		—			2,169,840				2.51
Profit attributable to shareholders of the parent company		Specified Quarter			1,124,363			1,101,039		2.12			1,161,173				(3.17	)
		Cumulative			2,225,402			—		—			2,187,605				1.73

Note: 1) “Operating revenue” 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.

3. Preliminary Operating Results of KB Securities Co., Ltd. (“KB Securities”) (Consolidated)

(Won in millions, %)				2Q 2026				1Q 2026				% Change Increase (Q to Q)				2Q 2025				% Change Increase (Y to Y)
Operating revenue		Specified Quarter			12,277,934				8,350,937				47.02				3,216,537				281.71
		Cumulative			20,628,871				—				—				6,204,824				232.47
Net operating profit		Specified Quarter			600,609				453,114				32.55				218,043				175.45
		Cumulative			1,053,723				—				—				442,654				138.05
Profit before income tax		Specified Quarter			608,585				471,405				29.10				221,672				174.54
		Cumulative			1,079,989				—				—				460,520				134.52
Profit for the period		Specified Quarter			450,769				350,235				28.70				160,658				180.58
		Cumulative			801,004				—				—				342,361				133.96
Profit attributable to shareholders of the parent company		Specified Quarter			449,886				349,095				28.87				160,335				180.59
		Cumulative			798,982				—				—				341,597				133.90

Notes: 1) The above figures are based on KB Securities’ consolidated financial statements, as a result of which the figures may differ from KB Securities’ earnings results to be released at KB Financial Group’s earnings conference for the first half of fiscal year of 2026, which are based on KB Financial Group’s consolidated financial statements.

 2) “Operating revenue” represents operating income based on KB Securities’ financial statements.

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, 2026				By: /s/ Sang Rok Na
				(Signature)
				Name: Sang Rok Na
				Title: Senior Managing Director and Chief Financial Officer