EXHIBIT 11 EXHIBIT 11 TO FORM 10-K ROBERT HALF INTERNATIONAL INC. AND SUBSIDIARIES COMPUTATION OF PER SHARE EARNINGS (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS) YEARS ENDED DECEMBER 31, ------------------------- 1995 1994 1993 ------- ------- ------- Net income..................................................................... $40,298 $26,117 $11,723 ------- ------- ------- ------- ------- ------- Weighted average number of shares outstanding Primary: Common stock............................................................... 28,495 27,365 24,309 Common stock equivalents -- stock options (A).............................. 1,040 971 783 ------- ------- ------- Primary shares outstanding................................................. 29,535 28,336 25,092 ------- ------- ------- ------- ------- ------- Fully Diluted: Common stock............................................................... 28,495 27,365 24,309 Common stock equivalents -- stock options (A).............................. 1,213 1,119 951 ------- ------- ------- Fully diluted shares outstanding........................................... 29,708 28,484 25,260 ------- ------- ------- ------- ------- ------- Net income per share: Primary...................................................................... $ 1.36 $ .92 $ .47 Fully diluted................................................................ $ 1.36 $ .92 $ .46 (A) The treasury stock method was used to determine the weighted average number of shares of common stock equivalents outstanding during the periods.