AMERICAN ELECTRIC POWER CO INC

On February 28, 2025, David M. Feinberg, the Executive Vice President and General Counsel of the Company, entered into a Rule 10b5-1 trading agreement (“Rule 10b5-1 Trading Plan”) intended to satisfy the affirmative defense conditions of Rule 10b5‑1(c) of the Securities Exchange Act of 1934. Mr. Feinberg’s Rule 10b5-1 Trading Plan provides for an aggregate sale of up to 8,057 shares of common stock on June 3, 2025,8,058 shares of common stock on June 10, 2025, and 8,058 shares of common stock on June 17, 2025. Mr. Feinberg’s Rule 10b5-1 Trading Plan will be effective until June 17, 2025.

On February 18, 2025, Q. Shane Lies, the Executive Vice President – Projects and Services of the Company, entered into a Rule 10b5-1 Trading Plan intended to satisfy the affirmative defense conditions of Rule 10b5‑1(c) of the Securities Exchange Act of 1934. Mr. Lies’ Rule 10b5-1 Trading Plan provides for an aggregate sale of up to 1,358 shares of common stock between May 19, 2025 and December 31, 2025,12,223 shares of common stock on May 19, 2025, and 1,803 shares of common stock on October 1, 2025. Mr. Lies’ Rule 10b5-1 Trading Plan will be effective until December 31, 2025.

During the three months ended March 31, 2025, none of the Company’s directors or other officers (as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934)adopted, terminated or modified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K of the Securities Act of 1933).