PAGE 2 FMC Corporation Quarterly Report on Form 10-Q for June 30, 1999 Exhibit 11 Statement re: ------------- Computation of Diluted Earnings Per Share (Unaudited) ----------------------------------------------------- (In thousands, except per share data) Three Months Six Months Ended June 30 Ended June 30 ----------------- ----------------- 1999 1998 1999 1998 ------- ------- -------- ------- Earnings: Net income $86,860 $67,603 $117,172 $58,301 ======= ======= ======== ======= Shares: Average number of shares of common stock outstanding 31,770 34,627 32,066 34,716 Additional shares assuming conversion of stock options 986 1,071 872 1,030 ------- ------- -------- ------- Pro forma shares 32,756 35,698 32,938 35,746 ======= ======= ======== ======= Diluted earnings per share $ 2.65 $ 1.89 $ 3.56 $ 1.63 ======= ======= ======== =======