TRIQUINT SEMICONDUCTOR, INC. EXHIBIT 11.1 CALCULATION OF NET INCOME PER COMMON AND COMMON EQUIVALENT SHARES (In thousands, except per share information) THREE MONTHS ENDED NINE MONTHS ENDED ---------------------------- ---------------------------- SEPTEMBER 30, SEPTEMBER 30, SEPTEMBER 30, SEPTEMBER 30, 1997 1996 1997 1996 ------------- ------------- ------------- ------------- Net income (loss) $ 1,314 $ 1,852 $ 5,347 $ 4,626 ----------- ----------- ---------- ---------- ----------- ----------- ---------- ---------- Primary weighted average number of common and common equivalent shares outstanding 9,231 8,798 9,126 8,732 ----------- ----------- ---------- ---------- ----------- ----------- ---------- ---------- Net income (loss) per common and common equivalent share $ 0.14 $ 0.21 $ 0.59 $ 0.53 ----------- ----------- ---------- ---------- ----------- ----------- ---------- ---------- Fully dilluted weighted average number of common and common equivalent shares outstanding 9,309 8,882 9,253 8,851 ----------- ----------- ---------- ---------- ----------- ----------- ---------- ---------- Net income (loss) per common and common equivalent share $ 0.14 $ 0.21 $ 0.58 $ 0.52 ----------- ----------- ---------- ---------- ----------- ----------- ---------- ---------- 25