1 TEKELEC STATEMENT OF COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED SIX MONTHS ENDED PRIMARY JUNE 30, JUNE 30, -------------------- ----------------- (THOUSANDS, EXCEPT PER SHARE DATA) 1995 1994 1995 1994 ---- ---- ---- ---- Net income . . . . . . . . . . . . . . . . . $ 2,050 $ 877 $ 3,518 $ 1,003 Assumed interest reduction, net of taxes(1) --- 4 --- 29 ------- ------ ------- ------- Adjusted net income . . . . . . . . . . . . $ 2,050 $ 881 $ 3,518 $ 1,032 ======= ====== ======= ======= Basis for computation of primary earnings per common and common equivalent share: Weighted average number of shares outstanding during period . . . . . . . . . 9,902 8,614 9,530 8,586 Weighted average (incremental) common share equivalent after considering the effects of options exercised and canceled during the period and after assumed repurchase of treasury shares--treasury stock method(1) . . . . . . . . . . . . . . 1,595 450 1,623 338 ------- ------ ------- ------- 11,497 9,064 11,153 8,924 ======= ====== ======= ======= Earnings per share . . . . . . . . . . . . . $ 0.18 $ 0.10 $ 0.32 $ 0.12 ---------- ======= ====== ======= ======= (1) Treasury Stock Method, as modified by Apb15, paragraph 38 THREE MONTHS ENDED SIX MONTHS ENDED FULLY DILUTED JUNE 30, JUNE 30, -------------------- ----------------- (THOUSANDS, EXCEPT PER SHARE DATA) 1995 1994 1995 1994 ---- ---- ---- ---- Net income . . . . . . . . . . . . . . . $ 2,050 $ 877 $ 3,518 $1,003 ======= ====== ======= ====== Basis for computation of fully diluted earnings per common and common equivalent share: Weighted average number of shares outstanding during period . . . . . . . 9,902 8,614 9,530 8,586 Weighted average (incremental) common share equivalent after considering the effects of options exercised and canceled during the period and after assumed repurchase of treasury shares -- treasury stock method . . . . . . . . . . . . . . 1,718 452 1,781 394 ------- ------ ------- ------ 11,620 9,066 11,311 8,980 ======= ====== ======= ====== Earnings per share . . . . . . . . . . . $ 0.18 $ 0.10 $ 0.31 $ 0.11 ======= ====== ======= ====== TEKELEC EXHIBIT 11.1