Investor Presentaiton

Financial Results $700 All Restricted Funds $600 $477.1 $483.6 $500 $441.3 $451.5 $450.6 $458.8 Other DCOH Funds (3) * $400 Liquidity-ES Revenue Fund (2) (4) in millions $300 $200 Liquidity-ES R&C Fund (1) $100 ➡-Total $- 12/31/2021 3/31/2022 6/30/2022 9/30/2022 12/31/2022 6/30/2023 $647.7 $599.7 10/31/2023 12/31/23 Prelim • • • 2023 Net Income = $353.8 million 2023 Days Cash On Hand = 628 days consolidated Targeted Debt to Net Plant Ratio of ≤60% 2023 Total Utility Plant (book value) $2.5 billion *PRELIMINARY 2023 data • District maintains strong credit ratings • Moody's Aa3 both systems • Fitch AA both systems S&P AA PRP / AA+ Electric System *PRELIMINARY 2023 data

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