PEPCO HOLDINGS LLC

Item 8.01. Other Events 2026 PECO Electric and Gas Rate Filings On April 16, 2026, PECO Energy Company (“PECO”), a subsidiary of Exelon Corporation (“Exelon”), filed a petition with the Pennsylvania Public Utility Commission (“PAPUC”) to withdraw its previously filed electric and gas rate proceedings submitted on March 30, 2026, in PAPUC Docket No. R-2026-3060859 and PAPUC Docket No. R-2026-3060860 (“Rate Case Proceedings”). PECO will continue to evaluate the timing and approach for future capital investments and potential regulatory filings. Any decisions related to capital investments to support longer-term grid modernization will be informed by customer affordability considerations, system reliability needs, and ongoing engagement with regulators and other stakeholders. As PECO assesses longer-term grid needs, it remains committed to providing safe and reliable service. 2026 Maryland Utility RELIEF Act On April 13, 2026, the Maryland Utility RELIEF Act (“Utility RELIEF Act”) was passed through the Maryland General Assembly and awaits the Governor’s signature to become law. If and when the Utility RELIEF Act becomes law, it will modify Maryland's regulatory framework and rules governing recovery of certain costs in utility ratemaking for Baltimore Gas & Electric Company (“BGE”), Potomac Electric Power Company (“Pepco”), and Delmarva Power & Light Company (“DPL”), all subsidiaries of Exelon.

Item 7.01. Regulation FD Disclosure On April 16, 2026, PECO announced via press release the withdrawal of its Rate Case Proceedings. A copy of the press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference. The information provided in this Item 7.01 (including Exhibit 99.1) is furnished to, but not filed with, the Securities and Exchange Commission. In response to the developments disclosed under Item 8.01 above, Exelon will redeploy and implement delays in capital projects and execute operational efficiencies. Exelon reaffirms its previously disclosed 2026 Adjusted (non-GAAP) operating earnings guidance range of $2.81-$2.91 per share and reaffirms its previously disclosed expectation for cumulative annualized Adjusted (non-GAAP) operating earnings growth from 2025 to 2029 to be near the top end of the 5 to 7 percent range. Consistent with normal practice, Exelon will provide its quarterly financial update and additional related disclosures as part of its first quarter 2026 earnings call on May 6, 2026.