X0508 4 2026-03-06 0001031296 FIRSTENERGY CORP FE 0001732499 Lisowski Jason 341 WHITE POND DRIVE AKRON OH 44320 1 VP, Controller & CAO 0 Common Stock 2026-03-06 4 S 0 3000 50.84 D 7176.309 D Common Stock 2026-03-06 4 S 0 1372.704 50.84 D 0 I By Savings Plan FirstEnergy Corp.'s (the "Company") 401(k) Savings Plan ("401(k) Plan") includes a unitized fund invested in shares of common stock of the Company, in which the reporting person may invest, and includes dividend reinvestment and company match features. The number of shares reported as sold includes those shares held in the unitized stock fund and acquired under the 401(k) Plan since the reporting person's last filed Form 4. /s/ Mary M. Swann, attorney-in-fact 2026-03-10