Investor Presentaiton

Operating earnings per share Q1 2023: Actual versus guidance ($ per share) $1.09 $1.12 $0.99 One of the warmest first quarters across our Unfavorable weather $0.97 impact on utility earnings: ($0.10) service areas on record Actual¹ Weather normal² Guidance¹ Dominion See first quarter 2023 Earnings Release Kit for supporting information and a reconciliation to GAAP Energy® 2 See appendix for detailed weather impact Actual results met guidance range for the first quarter 2023; weather normal results above the midpoint 00 8

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