1 EXHIBIT 11.01 INTEGRATED SYSTEMS, INC. COMPUTATION OF NET INCOME PER SHARE(1) (Amounts in thousands, except per share amounts) YEAR ENDED FEBRUARY 28, -------------------------------------- 1994 1995 1996 ------ ------ ------ Primary: Net income ............................ $ 4,086 $ 6,490 $ 5,283 ======== ======== ======== Reconciliation of weighted number of shares outstanding to amount used in net income per share computation: Weighted average number of common shares outstanding ................ 18,636 19,318 20,962 Dilutive effect of options at weighted average price ............ 486 646 1,126 ------- ------- ------- 19,122 19,964 22,088 ======= ======= ======= Net income per share(2) .................. $ 0.21 $ 0.33 $ 0.24 ======= ======= ======= - ------------------- (1) See Note 1 of Notes to Consolidated Financial Statements. (2) Primary and fully diluted earnings per share are the same for all years presented.