PINNACLE SYSTEMS, INC. AND SUBSIDIARY Exhibit 11.1 - Statement of Computation of Net Income (Loss) Per Share (In thousands, except per share data) Three Nine Months Ended Months Ended March 31, March 31, ----------------- ------------------ 1997 1996 1997 1996 Weighted average shares of common stock outstanding 7,353 7,313 7,444 7,070 Weighted average common stock equivalent shares -- 581 -- 655 ------- ------ -------- ------ Shares used to compute net income (loss) per share 7,353 7,894 7,444 7,725 ======= ====== ======== ====== Net income (loss) used in per share calculation $(1,319) $1,822 $(10,052) $4,817 ======= ====== ======== ====== Net income (loss) per share $ (0.18) $ 0.23 $ (1.35) $ 0.62 ======= ====== ======== ======