Exhibit 11 Xerox Corporation Computation of Net Income Per Common Share (Dollars in millions, except per-share data; shares in thousands) Three months Nine Months ended September 30, ended September 30, 1999 1998 1999 1998 I. Basic Net Income (Loss) Per Common Share Income (loss) from continuing operations $ 339 $ 381 $ 1,130 $ (29) Accrued dividends on ESOP preferred stock, net (9) (11) (29) (34) Adjusted income (loss)from continuing operations 330 370 1,101 (63) Discontinued operations - - - (190) Adjusted net income (loss) $ 330 $ 370 $ 1,101 $ (253) Average common shares outstanding during the period 663,409 655,310 661,094 655,476 Common shares issuable with respect to exchangeable shares 1,078 3,300 1,739 3,300 Adjusted average shares outstanding for the period 664,487 658,610 662,833 658,776 Basic earnings (loss) per share: Continuing operations $ 0.50 $ 0.56 $ 1.66 $ (0.10) Discontinued operations - - - (0.29) Basic earnings per share $ 0.50 $ 0.56 $ 1.66 $ (0.39) II. Diluted Net Income (Loss) Per Common Share Income (loss) from continuing operations $ 339 $ 381 $ 1,130 $ (29) ESOP expense adjustment, net of tax 1 1 5 - Interest on convertible debt, net of tax 4 4 12 - Accrued dividends on ESOP preferred stock, net - - - (34) Adjusted income (loss) from continuing operations 344 386 1,147 (63) Discontinued operations - - - (190) Adjusted net income (loss) $ 344 $ 386 $ 1,147 $ (253) Average common shares outstanding during the period 663,409 655,310 661,094 655,476 Stock options, incentive and exchangeable shares 10,403 13,070 12,028 3,300 Convertible debt 13,191 13,190 13,191 - ESOP preferred stock 52,159 53,622 52,159 - Adjusted average shares outstanding for the period 739,162 735,192 738,472 658,776 Diluted earnings (loss) per share: Continuing operations $ 0.47 $ 0.53 $ 1.55 $ (0.10) Discontinued operations - - - (0.29) Diluted earnings per share $ 0.47 $ 0.53 $ 1.55 $ (0.39)