FirstEnergy Pennsylvania Electric Company announced on October 19, 2026, that it is extending the expiration date for its exchange offer. The offer allows holders to exchange outstanding unregistered senior notes for registered notes of the same principal amount and maturity.

The exchange offer, previously set to expire at 5:00 p.m. New York City time on October 16, 2026, will now expire at 5:00 p.m. New York City time on October 30, 2026, unless further extended. The offer is for up to $300 million aggregate principal amount of outstanding 4.150% Senior Notes due 2028 and up to $550 million aggregate principal amount of outstanding 4.550% Senior Notes due 2031.

As of the original expiration date on October 16, 2026, an aggregate principal amount of $845,000,000, representing 99.4118% of the outstanding notes, had been tendered. The terms of the offer are detailed in a prospectus dated September 17, 2026, supplemented by documents dated September 18, 2026, and October 19, 2026. Copies of the prospectus and related documents are available from U.S. Bank Trust Company, National Association, the exchange agent.