Woori Financial Group Inc.

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Translation of registrant's name into English)

51, Sogong-ro, Jung-gu, Seoul, 04632, Korea

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 ☐

Woori Financial Group's Preliminary Financial Performance Figures

for the Third Quarter of 2026 The preliminary financial performance figures for Woori Financial Group Inc. ("Woori Financial Group") for the quarter ended September 30, 2026, on a consolidated basis, are as follows.

Profit to the Equity Holders of the Parent Entity

The above figures are prepared in accordance with Korean International Financial Reporting Standards. The figures above are subject to adjustment as they are preliminary and have not been reviewed by our independent auditors.

* Represents the sum of interest income, fee and commission income, dividend income, insurance income, gain on financial assets and other operating income (excluding non-operating income).

Woori Bank's Preliminary Financial Performance Figures

for the Third Quarter of 2026 The preliminary financial performance figures for Woori Bank, a wholly-owned subsidiary of Woori Financial Group, for the quarter ended September 30, 2026, on a consolidated basis, are as follows.

Profit to the Equity Holders of the Parent Entity

The above figures are prepared in accordance with Korean International Financial Reporting Standards. The figures above are subject to adjustment as they are preliminary and have not been reviewed by our independent auditors.

* Represents the sum of interest income, fee and commission income, dividend income, gain on financial assets and other operating income (excluding non-operating income).