Exhibit 11 INGERSOLL-RAND COMPANY COMPUTATION OF EARNINGS PER SHARE (In millions of dollars except for shares and per share amounts) Years ended December 31, 1999 1998 1997 1996 1995 Earnings from continuing operations applicable to common stock $544.9 $455.5 $358.6 $324.7 $243.8 Earnings from discontinued operations applicable to common stock $ 46.2 $ 53.6 $ 21.9 $ 33.3 $ 26.5 Net earnings applicable to common stock............. $591.1 $509.1 $380.5 $358.0 $270.3 Average number of common shares outstanding.......... 163,644,073 163,669,777 163,206,932 161,238,547 159,103,617 Number of common shares issuable assuming exercise under incentive stock plans.. 2,108,724 1,812,035 1,617,803 1,031,137 495,479 Average number of outstanding shares for diluted earnings per share calculations.......... 165,752,797 165,481,812 164,824,735 162,269,684 159,599,096 Basic earnings per share from continuing operations $3.33 $2.78 $2.20 $2.01 $1.53 Basic earnings per share from discontinued operations $0.28 $0.33 $0.13 $0.21 $0.17 Basic earnings per share....................... $3.61 $3.11 $2.33 $2.22 $1.70 Diluted earnings per share from continuing operations $3.29 $2.75 $2.18 $2.00 $1.52 Diluted earnings per share from discontinued operations $0.28 $0.33 $0.13 $0.21 $0.17 Diluted earnings per share........................ $3.57 $3.08 $2.31 $2.21 $1.69 Note: All common share and per share amounts have been adjusted for the 3-for-2 stock split which was made in the form of a stock dividend in August of 1997.