Exhibit 11.1 SONIC SOLUTIONS STATEMENT RE: COMPUTATION OF PER SHARE AMOUNTS Three and Nine Months Ended December 31, 1996 and 1997 (In thousands, except per share amounts - unaudited) Three Months Ended Nine Months Ended -------------------------- -------------------------- December 31, December 31, -------------------------- -------------------------- 1996 1997 1996 1997 ------- ------- ------- ------- Net loss..................................................... ($927) (1,376) ($3,950) (3,234) Weighted average number of common shares outstanding......... 7,557 7,634 7,527 7,615 ======= ======== ======== ======== Net loss per share........................................... ($0.12) (0.18) ($0.52) (0.42) ======= ======= ======= ======= 19