Exhibit 99.1 News Release Contact: James Gherardi Corporate Communications 312-394-7417 Andrew Plenge Investor Relations 779-231-0017 EXELON REPORTS SECOND QUARTER 2025 RESULTS Earnings Release Highlights CHICAGO (Jul 31, 2025) — Exelon Corporation (Nasdaq: EXC) today reported its financial results for the second quarter of 2025. "Exelon's second-quarter performance reflects our disciplined execution across all fronts," said Exelon President and Chief Executive Officer Calvin Butler. "We remain focused on d ...