Exhibit 99.1 NEWS RELEASE Sempra Reports 2023 Financial and Business Results SAN DIEGO, Feb. 27, 2024 — Sempra (NYSE: SRE) (BMV: SRE) today reported full-year 2023 earnings, prepared in accordance with Generally Accepted Accounting Principles (GAAP), of $3.03 billion or $4.79 per diluted share, compared to full-year 2022 GAAP earnings of $2.09 billion or $3.31 per diluted share. On an adjusted basis, full-year earnings were $2.92 billion or $4.61 per diluted share in both 2023 and 2022. "Strong business per ...