Investor Presentaiton

PSCO | Consolidated Statements of Income Years Ended December 31 Amounts in Millions PSCO | Investor Fact Book October 2023 | Xcel Energy 2022 2021 2020 Operating revenues Electric Natural gas Other Total operating revenues $3,795 1,860 $3,413 1,355 $3,116 1,024 53 47 43 5,708 4,815 4,183 Operating expenses Electric fuel and purchased power 1,485 1,336 1,132 Cost of natural gas sold and transported 1,053 606 374 Cost of sales steam and other 18 15 13 Operating and maintenance expenses 905 831 811 Demand side management expenses 133 132 141 Depreciation and amortization Taxes (other than income taxes) Total operating expenses Operating income 848 744 655 272 256 234 4,714 3,920 3,360 994 895 823 Other income (expense), net Allowance for funds used during construction ― equity སྱེསྐྱ (2) 32 28 +00 19 (1) 35 Interest charges and financing costs ― Interest charges Allowance for funds used during construction - debt - includes other financing costs of $8, $7 and $7, respectively 271 243 238 (11) (9) (14) Total interest charges and financing costs 260 234 224 Income before income taxes Income tax expense Net income 764 693 633 37 33 45 $727 $660 $588 50

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