Exhibit 99 NEWS RELEASE February 22, 2024 Dominion Energy Announces Fourth-Quarter and Full-Year 2023 Earnings, Provides Key Updates on Coastal Virginia Offshore Wind, and Schedules Investor Meeting to Conclude Business Review RICHMOND, Va. – Dominion Energy, Inc. (NYSE: D), today announced unaudited net income determined in accordance with Generally Accepted Accounting Principles (GAAP, or reported earnings) for the three months ended Dec. 31, 2023, of $273 million ($0.30 per share) compared with net incom ...