1 EXHIBIT 11. MICROSOFT CORPORATION COMPUTATION OF EARNINGS PER SHARE (In millions, except earnings per share) (Unaudited) - -------------------------------------------------------------------------------- THREE MONTHS ENDED SIX MONTHS ENDED DECEMBER 31 DECEMBER 31 ------------------- ---------------- 1995 1996 1995 1996 ----------------------------------------------------------------------------------------------------------- Weighted average number of common shares outstanding 1,180 1,196 1,180 1,195 Common stock equivalents - stock options 96 107 98 104 Common stock equivalents - preferred stock 1 ----------------------------------------------------------------------------------------------------------- Average common and common stock equivalents outstanding (1) 1,276 1,304 1,278 1,299 =========================================================================================================== Net income $ 575 $ 741 $1,074 $1,355 =========================================================================================================== Earnings per share (1) (2) $ 0.45 $ 0.57 $ 0.84 $ 1.04 =========================================================================================================== (1) Share and per share amounts for the three and six months ended December 31, 1995 have been restated to reflect a two-for-one stock split in December 1996. (2) Fully diluted earnings per share have not been presented because the effects are not material. - -------------------------------------------------------------------------------- 10