AMERICAN ELECTRIC POWER COMPANY, INC. AND SUBSIDIARY COMPANIES CONSOLIDATED STATEMENTS OF INCOME For the Years Ended December 31, 2020, 2019 and 2018  (in millions, except per-share and share amounts) See Notes to Financial Statements of Registrants beginning on page 229. 125 Years Ended December 31, 2020 2019 2018 REVENUES Vertically Integrated Utilities $ 8,753.2  $ 9,245.7  $ 9,556.7  Transmission and Distribution Utilities 4,238.7  4,319.0  4,552.3  Generation & Marketing 1,621.0  1,721.8  1,818.1  Other Revenues 305.6  274.9  268.6  TOTAL REVENUES 14,918.5  15,561.4  16,195.7  EXPENSES Fuel and Other Consumables Used for Electric Generation 1,439.3  1,940.9  2,359.4  Purchased Electricity for Resale 2,930.4  3,165.2  3,427.1  Other Operation 2,572.4  2,743.7  2,979.2  Maintenance 1,010.4  1,213.9  1,247.4  Asset Impairments and Other Related Charges —  156.4  70.6  Depreciation and Amortization 2,682.8  2,514.5  2,286.6  Taxes Other Than Income Taxes 1,295.5  1,234.5  1,142.7  TOTAL EXPENSES 11,930.8  12,969.1  13,513.0  OPERATING INCOME 2,987.7  2,592.3  2,682.7  Other Income (Expense): Other Income 57.0  26.6  18.2  Allowance for Equity Funds Used During Construction 148.1  168.4  132.5  Non-Service Cost Components of Net Periodic Benefit Cost 119.0  120.0  124.5  Interest Expense (1,165.7) (1,072.5) (984.4) INCOME BEFORE INCOME TAX EXPENSE (BENEFIT) AND EQUITY EARNINGS 2,146.1  1,834.8  1,973.5  Income Tax Expense (Benefit) 40.5  (12.9) 115.3  Equity Earnings of Unconsolidated Subsidiaries 91.1  72.1  73.1  NET INCOME 2,196.7  1,919.8  1,931.3  Net Income (Loss) Attributable to Noncontrolling Interests (3.4) (1.3) 7.5  EARNINGS ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS $ 2,200.1  $ 1,921.1  $ 1,923.8  WEIGHTED AVERAGE NUMBER OF BASIC AEP COMMON SHARES OUTSTANDING 495,718,223  493,694,345  492,774,600  TOTAL BASIC EARNINGS PER SHARE ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS $ 4.44  $ 3.89  $ 3.90  WEIGHTED AVERAGE NUMBER OF DILUTED AEP COMMON SHARES OUTSTANDING 497,226,867  495,306,238  493,758,277  TOTAL DILUTED EARNINGS PER SHARE ATTRIBUTABLE TO AEP COMMON SHAREHOLDERS $ 4.42  $ 3.88  $ 3.90 