FirstEnergy Pennsylvania Electric Company, a subsidiary of FirstEnergy Corp. (NYSE: FE), has extended its exchange offer for two series of unregistered senior notes, moving the expiration date from October 16, 2026, to October 30, 2026, at 5:00 p.m. New York City time.

The offer covers up to $300 million in aggregate principal of 4.150% Senior Notes due 2028 and up to $550 million in aggregate principal of 4.550% Senior Notes due 2031. The exchange would swap the unregistered notes for registered equivalents under the Securities Act of 1933.

As of 5:00 p.m. on October 16, 2026, $845 million, or 99.4118%, of the outstanding notes had been tendered in the exchange offer.

The terms of the exchange offer are outlined in a prospectus dated September 17, 2026, supplemented on September 18, 2026, and further supplemented on October 19, 2026. The offer is being made pursuant to a Registration Statement on Form S-4 filed with the Securities and Exchange Commission, which became effective on September 15, 2026. U.S. Bank Trust Company, National Association, is serving as exchange agent.