Exhibit 11 Wind River Systems, Inc. Computation of Earnings per Share (in thousands, except per share amounts) (unaudited) Three months ended Nine months ended October 31, October 31, 1997 1996 1997 1996 -------- -------- -------- -------- Primary: Weighted average shares outstanding 25,480 24,853 25,409 22,461 Net effect of dilutive stock options 2,796 3,133 2,799 3,107 Total shares 28,276 27,986 28,208 25,568 Net income $ 5,210 $ 3,460 $ 12,030 $ 7,020 Net income per share $ 0.18 $ 0.12 $ 0.43 $ 0.27 Note: Fully diluted earnings per share does not differ significantly from primary earnings per share.