AMERICAN ELECTRIC POWER CO INC

On March 1, 2024, Greg B. Hall, the Executive Vice President and Chief Commercial Officer 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. Hall’s Rule 10b5-1 Trading Plan provides for an aggregate sale of up to 3,297 shares of common stock on or after May 31, 2024 and until such shares are sold and 2,703 shares of common stock between May 31, 2024 and December 31, 2024.

On March 1, 2024, Therace M. Risch, the Executive Vice President and Chief Information and Technology Officer 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. Ms. Risch’s Rule 10b5-1 Trading Plan provides for an aggregate sale of up to 5,539 shares of common stock between May 31, 2024 and April 30, 2025.

On March 5, 2024, Antonio P. Smyth, Executive Vice President – Grid Solutions and Government Affairs 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. Smyth’s Rule 10b5-1 Trading Plan provides for an aggregate sale of up to 2,623 shares of common stock on or after June 5, 2024 and until such shares are sold and 2,624 shares of common stock between June 5, 2024 and January 31, 2025.

During the three months ended March 31, 2024, none of the Company’s other directors or 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).