ALABAMA POWER CO

Management Changes

On October 30, 2026, Southern Company announced the following management changes, effective January 1, 2027:

•Kimberly S. Greene, currently Chairman, President, and Chief Executive Officer of Georgia Power, will serve as Executive Vice President and President, Southern Company Operations of Southern Company; and

•Stanley W. Connally, Jr., currently Executive Vice President and Chief Operating Officer of Southern Company, will serve as Chairman, President, and Chief Executive Officer of Georgia Power.

Biographical information for Ms. Greene and Mr. Connally is included in Southern Company's Annual Report on Form 10-K for the year ended December 31, 2025. Except as disclosed in Southern Company's Definitive Proxy Statement for its 2026 Annual Meeting of Stockholders, filed on April 3, 2026, there are no related-party transactions that would be required to be disclosed under Item 404(a) of Regulation S-K with respect to Ms. Greene or Mr. Connally.

Compensation decisions for Ms. Greene and Mr. Connally in their new roles have not yet been made; any material changes to their compensation will be reported in a current or periodic report within four business days after the information is determined or becomes available.

Trading Arrangements

The following table reports information regarding theadoption of "Rule 10b5-1 trading arrangements" or "non-Rule 10b5-1 trading arrangements," as defined in Item 408(a) of Regulation S-K, during the three months ended September 30, 2026 for Southern Company's directors and "officers," as defined in Rule 16a-1(f) under the Securities Exchange Act of 1934, as amended. There were no modifications orterminations of such trading arrangements during the three months ended September 30, 2026. Unless otherwise indicated, each trading arrangement listed below is a "Rule 10b5-1 trading arrangement," provides for the sale of shares of Southern Company's common stock, commences no earlier than the expiration of the cooling-off period required by Rule 10b5-1(c)(1)(ii)(B)(1) under the Securities Exchange Act of 1934, as amended, and terminates upon the earlier of the "Expiration Date" listed below or the completion of all sales. The Subsidiary Registrants had no reportable trading arrangements for the three months ended September 30, 2026.

(1)Includes shares underlying equity awards subject to performance conditions and accrual of dividend-equivalent rights. Accordingly, the total number of shares ultimately available for sale could be more or less than the amount shown. The amount shown is based on the target number of shares subject to equity awards and the dividend-equivalent rights accrued as of the date of adoption.