Exhibit 11 Page 1 of 2 COLGATE-PALMOLIVE COMPANY COMPUTATION OF EARNINGS PER COMMON SHARE Dollars in Millions Except Per Share Amounts (Unaudited) Three Months Ended Nine Months Ended September 30, September 30, --------------- ---------------- 1997 1996 1997 1996 ------ ------ ------ ------ PRIMARY Earnings: Net income............................... $188.6 $160.9 $534.0 $453.3 Deduct: Dividends on preferred shares, net of income taxes............................. 5.2 5.3 15.7 16.1 ------- ------- ------ ------ Net income applicable to common shares... $183.4 $155.6 $518.3 $437.2 ------- ------- ------ ------ ------- ------- ------ ------ Shares (in millions): Weighted average common shares outstanding.. 295.9 293.6 295.3 292.8 ------- ------- ------ ------ ------- ------- ------ ------ Earnings per common share, primary......... $.62 $.53 $1.76 $1.49 ------- ------- ------ ------ ------- ------- ------ ------ Exhibit 11 Page 2 of 2 COLGATE-PALMOLIVE COMPANY COMPUTATION OF EARNINGS PER COMMON SHARE Dollars in Millions Except Per Share Amounts (Unaudited) Three Months Ended Nine Months Ended September 30, September 30, ----------------- ---------------- 1997 1996 1997 1996 ----- ----- ----- ----- ASSUMING FULL DILUTION Earnings: Net income................................. $188.6 $160.9 $534.0 $453.3 Deduct: Dividends on preferred shares.............. .1 .1 .4 .4 Replacement funding resulting from assumed conversion of Series B Convertible Preference Stock, net of tax... .5 1.2 1.5 3.7 ------ ------ ------ ------ Net income applicable to common shares..... $188.0 $159.6 $532.1 $449.2 ------ ------ ------ ------ ------ ------ ------ ------ Shares (in millions): Weighted average number of common shares outstanding.............................. 295.9 293.6 295.3 292.8 Assumed conversion of options reduced by the number of shares which could have been purchased with the proceeds from the exercise of such options.......................... 7.5 5.2 7.9 5.4 Assumed conversion of Series B Convertible Preference Stock........................... 23.0 23.4 23.0 23.4 ------ ------ ------ ------ Weighted average number of common shares outstanding, as adjusted................. 326.4 322.2 326.2 321.6 ------ ------ ------ ------ ------ ------ ------ ------ Earnings per common share, assuming full dilution................................. $.58 $.50 $1.63 $1.40 ------ ------ ------ ------ ------ ------ ------ ------