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SEMPRA 5-Year Capital Plan

Sempra California | SDGE (Unaudited, dollars in millions) SDGE GAAP Earnings Q1-2023 earnings are higher than Q1-2022 earnings primarily due to: Three months ended March 31, 2023 2022 $ 258 $ 234 $16 million higher CPUC base operating margin, net of operating expenses and $6 million from lower authorized cost of capital, $6 million higher net regulatory interest income, $5 million higher electric transmission margin, and $5 million lower income tax expense primarily from flow-through items, partially offset by $8 million higher net interest expense SEMPRA | 22

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