1 Exhibit 11.1 Health Systems International, Inc. and Subsidiaries Computation of Earnings Per Share (In thousands, except per share data) Three-Months Ended June 30, Six-Months Ended June 30, -------------------------------- -------------------------------- 1996 1995 1996 1995 ------------ ------------ ------------ ------------ Primary: Shares outstanding at beginning of period 48,089 48,826 48,327 48,492 Weighted average shares issued (repurchased) during period 173 (362) (257) 147 Dilutive shares contingently issuable upon exercise of stock options, net of shares assumed to have been purchased (at average market price) for treasury with assumed proceeds from exercise 126 571 190 586 ------------ ------------ ------------ ------------ Total primary shares 48,388 49,035 48,260 49,225 ============ ============ ============ ============ Net income $ 24,448 $ 22,966 $ 50,488 $ 41,877 ============ ============ ============ ============ Net income per share $ 0.51 $ 0.47 $ 1.05 $ 0.85 ============ ============ ============ ============ Fully diluted: Shares outstanding at beginning of period 48,089 48,826 48,327 48,492 Weighted average shares issued (repurchased) during period 173 (362) (257) 147 Dilutive shares contingently issuable upon exercise of stock options, net of shares assumed to have been purchased (at the greater of average or period-end market price) for treasury with 126 609 195 618 assumed proceeds from exercise ------------ ------------ ------------ ------------ Total fully diluted shares 48,388 49,073 48,265 49,257 ============ ============ ============ ============ Net income $ 24,448 $ 22,966 $ 50,488 $ 41,877 ============ ============= ============ ============ Net income per share $ 0.51 $ 0.47 $ 1.05 $ 0.85 ============ ============= ============ ============