KB KB Financial Group Inc

•  Legal basis for the cancellation of treasury shares: Article 343-1 of the Korean Commercial Code.

•  The cancellation of these shares constitutes the cancellation of treasury shares acquired within the limits of profits available for dividends, and as such, there will be no reduction in the paid-in capital of KB Financial Group.

•  The “Estimated Amount of Shares to be Cancelled” above is the cancellation amount determined through a resolution of the board of directors on even date herewith.

•  The “Type and Number of Shares to be Cancelled” above is calculated based on the closing price of the common shares of KB Financial Group on the Korea Exchange (KRX) as of April 23, 2025 (one day prior to the date of the resolution of the board of directors), which was KRW 85,000. The actual number and amount of shares to be cancelled are subject to change depending on fluctuations in share price.

•  The starting date for the “Scheduled Period of Acquisition of Treasury Shares for Cancellation” above represents the day after the date of resolution by the board of directors, and may not reflect the actual date the acquisitions begin.

•  KB Financial Group plans to cancel the treasury shares following the completion of the acquisition of the treasury shares. For detailed information regarding the acquisition of the treasury shares, please refer to the Form 6-K titled “Resolution for Acquisition of Treasury Shares” of KB Financial Group furnished on April 24, 2025.