X0306 4 2018-03-01 0001031296 FIRSTENERGY CORP FE 0001127115 VESPOLI LEILA L 76 SOUTH MAIN STREET AKRON OH 44308 1 EVP & Chief Legal Officer Common Stock 2018-03-01 4 M 0 36366.518 A 144056.614 D Common Stock 2018-03-01 4 D 0 36366.518 32.4825 D 107690.096 D Common Stock 2018-03-01 4 M 0 72734 A 180424.096 D Common Stock 2018-03-01 4 F 0 31691 32.4825 D 148733.096 D Common Stock 4446.255 I By Savings Plan RSUC15 2018-03-01 4 M 0 36366.518 D Common Stock 36366.518 0 D RSUS15 2018-03-01 4 M 0 72734 D Common Stock 72734 0 D Represents the vesting of the RSUC15 award. The award vested on March 1, 2018. Amounts also include dividend reinvestment. 1 for 1. The RSUS15 and RSUC15 awards were previously granted for $0.00 under the FirstEnergy Corp. 2007 Incentive Plan. Balance includes shares acquired through dividend reinvestment. Represents the vesting of the RSUS15 award. The award vested on March 1, 2018. The shares coded "F" were automatically withheld to cover tax obligations associated with the payout. Amounts also include dividend reinvestment. FE's 401(k) Savings Plan includes a unitized fund invested in FE stock, in which the reporting person may invest, and includes dividend reinvestment and company match features. The number of shares reported as indirectly held in the 401(k) Plan in this row is an estimate of the number of shares of FE's common stock held in the unitized stock fund and allocated to the reporting person's account as of January 31, 2018. 1 for 1 Jennifer L. Geyer, attorney-in-fact 2018-03-05