EXHIBIT 11 RIMAGE CORPORATION COMPUTATION OF NET EARNINGS (LOSS) PER COMMON AND COMMON EQUIVALENT SHARE Three Months Ended Nine Months Ended September 30, September 30, 1997 1996 1997 1996 --------- --------- --------- --------- Shares Outstanding at beginning of period. . . . . . . . . . 3,084,500 3,084,500 3,084,500 3,051,000 Common stock issued in stock option exercise . . . . . . . . . . 5335 0 5335 33500 Shares Outstanding at end of period . . . . . . . . . . . 3,089,835 3,084,500 3,089,835 3,084,500 --------- --------- --------- --------- --------- --------- --------- --------- Weighted average shares of common stock outstanding . . . . 3,089,835 3,084,500 3,089,835 3,071,505 --------- --------- --------- --------- --------- --------- --------- --------- Common stock equivalents . . . . . . . . 760,488 397,453 760,488 397,453 Weighted average shares of common stock equivalents. . . . . . 296,728 33,932 224,135 35,921 --------- --------- --------- --------- --------- --------- --------- --------- Weighted average shares of common stock and stock equivalents . . . . . . . . . . 3,386,563 3,118,432 3,313,970 3,107,427 --------- --------- --------- --------- --------- --------- --------- --------- Net earnings (loss). . . . . . . . . . . $526,435 $37,085 $947,515 $(812,799) --------- --------- --------- --------- --------- --------- --------- --------- Net earnings (loss) per share . . . . $ 0.15 $ 0.01 $0.29 $ (0.26) --------- --------- --------- --------- --------- --------- --------- ---------