X0306 4 2017-05-01 0000004904 AMERICAN ELECTRIC POWER CO INC AEP 0001373601 Akins Nicholas K AMERICAN ELECTRIC POWER 1 RIVERSIDE PLAZA COLUMBUS OH 43215 0 1 0 0 President, CEO Common Stock 2017-05-01 4 M 0 16440 67.64 A 73973 D Common Stock 2017-05-01 4 F 0 7883 67.64 D 66090 D Common Stock 2017-05-01 4 D 0 8557 67.64 D 57533 D Common Stock 2017-05-01 4 M 0 12326 67.64 A 69859 D Common Stock 2017-05-01 4 F 0 5910 67.64 D 63949 D Common Stock 2017-05-01 4 D 0 6416 67.64 D 57533 D Common Stock 2017-05-01 4 M 0 9328 67.64 A 66861 D Common Stock 2017-05-01 4 F 0 4472 67.64 D 62389 D Common Stock 2017-05-01 4 D 0 4856 67.64 D 57533 D Restricted Stock Units 2017-05-01 4 M 0 16440 A 2017-05-01 2017-05-01 Common Stock 16440 0 D Restricted Stock Units 2017-05-01 4 M 0 12326 A 2017-05-01 2017-05-01 Common Stock 12326 0 D Restricted Stock Units 2017-05-01 4 M 0 9328 A 2017-05-01 2017-05-01 Common Stock 9328 0 D A portion of Mr. Akins' restricted stock units (16,440) that were granted on 12/10/2013 vested on 5/1/2017. Upon vesting, 7,883 restricted stock units were withheld to satisfy the reporting person's tax liability and the remaining restricted stock units were settled in cash. A portion of Mr. Akins' restricted stock units (12,326) that were granted on 2/24/2015 vested on 5/1/2017. Upon vesting, 5,910 restricted stock units were withheld to satisfy the reporting person's tax liability and the remaining restricted stock units were settled in cash. A portion of Mr. Akins' restricted stock units (9,328) that were granted on 2/23/2016 vested on 5/1/2017. Upon vesting, 4,472 restricted stock units were withheld to satisfy the reporting person's tax liability and the remaining restricted stock units were settled in cash. Value is based on 20 day average closing price of $67.64. /s/ Thomas G. Berkemeyer, Attorney-in-Fact for Nicholas K. Akins 2017-05-03