1 Exhibit 11.1 ------------ ON ASSIGNMENT, INC. STATEMENT OF COMPUTATION OF NET EARNINGS PER COMMON AND COMMON EQUIVALENT SHARES Years Ended December 31, ---------------------------------------- 1994 1995 1996 ------ ------ ------- Net income used to compute primary and fully diluted earnings per share $3,481,000 $4,341,000 $5,606,000 ---------- ---------- ---------- Weighted average number of shares outstanding 4,845,000 4,987,000 5,103,000 Dilutive effect of stock options and warrants 279,000 278,000 346,000 ---------- ---------- ---------- Number of shares used to compute primary and fully diluted earnings per share 5,124,000 5,265,000 5,449,000 ---------- ---------- ---------- Net earnings per share $ 0.68 $ 0.82 $ 1.03 ---------- ---------- ----------