EXHIBIT 11.1 FAIR, ISAAC AND COMPANY, INCORPORATED COMPUTATION OF EARNINGS PER SHARE (IN THOUSANDS EXCEPT PER SHARE DATA) YEAR ENDED SEPTEMBER 30 1995 1994 1993 PRIMARY EARNINGS PER SHARE: Weighted Average Common Shares Outstanding 12,206 11,810 11,408 Shares Issuable Upon Exercise of Stock Options-Weighted Average 760 958 1,102 Less Shares Assumed to be Repurchased (243) (292) (346) -------- -------- -------- Weighted Average Common Shares, as Adjusted 12,723 12,476 12,164 ======== ======== ======== Net Income $ 12,695 $ 10,049 $ 5,277 ======== ======== ======== Primary Earnings per Share $ 1.00 $ .81 $ 0.44 ======== ======== ======== FULLY DILUTED EARNINGS PER SHARE: Weighted Average Common Shares Outstanding 12,206 11,810 11,408 Shares Issuable Upon Exercise of Stock Options-Weighted Average 760 964 1,102 Less Shares Assumed to be Repurchased (199) (228) (268) -------- -------- -------- Weighted Average Common Shares, as Adjusted 12,767 12,546 12,242 ======== ======== ======== Net Income $ 12,695 $ 10,049 $ 5,277 ======== ======== ======== Fully Diluted Earnings Per Share $ .99 $ .80 $ 0.43 ======== ======== ========