Exhibit 11.1 FAIR, ISAAC AND COMPANY, INCORPORATED COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS EXCEPT PER SHARE DATA) 9 months 3 months -------- -------- 6/30/95 6/30/94 6/30/95 6/30/94 Primary Earnings Per Share: Weighted Average Common Shares Outstanding 12,205 11,792 12,237 11,880 Shares Issuable Upon Exercise of Stock 760 920 793 922 Options Less Shares Assumed to be Repurchased (255) (226) (276) (314) --------------- --------------- --------------- --------------- Weighted Average Common Shares, as Adjusted 12,710 12,486 12,754 12,488 --------------- --------------- --------------- --------------- Net Income $ 8,880 $ 7,030 $ 3,130 $ 2,553 =============== =============== =============== =============== Primary Earnings per Share $ .70 $ .56 $ .25 $ .20 --------------- --------------- --------------- --------------- Fully Diluted Earnings Per Share: Weighted Average Common Shares Outstanding 12,205 11,792 12,237 11,880 Shares Issuable Upon Exercise of Stock 760 976 793 922 Options Less Shares Assumed to be Repurchased (207) (292) (250) (292) --------------- --------------- --------------- --------------- Weighted Average Common Shares, as Adjusted 12,758 12,476 12,780 12,510 =============== =============== =============== =============== Net Income $ 8,880 $ 7,030 $ 3,130 $ 2,553 --------------- --------------- --------------- --------------- Fully Diluted Earnings Per Share $ .70 $ .56 $ .25 $ .20 =============== =============== =============== =============== 13