Exhibit 99 NEWS RELEASE November 1, 2024 Dominion Energy Announces Third-Quarter 2024 Earnings • Third-quarter 2024 GAAP net income of $1.12 per share; operating earnings (non-GAAP) of $0.98 per share • Company narrows its full-year 2024 operating earnings guidance range to $2.68 to $2.83 per share, preserves original midpoint of $2.75 per share RICHMOND, Va. – Dominion Energy, Inc. (NYSE: D), today announced unaudited net income determined in accordance with Generally Accepted Accounting Principles (GAAP o ...