X0609 4 2026-10-01 0 0000004904 AMERICAN ELECTRIC POWER CO INC AEP 0002043394 Ferneau Kelly J false 1 RIVERSIDE PLAZA COLUMBUS OH 43215 0 1 0 0 Executive Vice President 0 Resticted Stock Units 2026-10-01 4 F 0 362 119.75 D 15364 D A portion of the reporting person's restricted stock units (1,262) granted on October 23, 2023, vested on October 1, 2026. Upon vesting 362 restricted stock units were withheld to satisfy the reporting person's tax liability. /s/ David C. House, Attorney-in-Fact for Kelly J. Ferneau 2026-10-05