EXHIBIT 11.1 RIMAGE CORPORATION AND SUBSIDIARIES COMPUTATION OF NET EARNINGS PER SHARE OF COMMON STOCK Basic net earnings per common share is determined by dividing net earnings by the weighted average number of shares of common stock outstanding, unless the result is anti-dilutive. Diluted net earnings per common share is determined by dividing net earnings by the weighted average number of shares of common stock and assumed conversion shares outstanding, unless the result is anti-dilutive. The following is a summary of the weighted average common shares outstanding and assumed conversion shares: Three months ended Nine months ended September 30, September 30, 1999 1998 1999 1998 ---- ---- ---- ---- Shares outstanding at beginning of period 5,050,084 4,739,807 4,936,088 4,636,953 Common stock issued in stock option exercise 53,830 115,692 167,826 218,546 ----------- ----------- ----------- ----------- Shares outstanding at end of period 5,103,914 4,855,499 5,103,914 4,855,499 =========== =========== =========== =========== Weighted average shares of common stock outstanding 5,080,947 4,827,948 5,042,481 4,727,882 =========== =========== =========== =========== Common stock equivalents 985,371 889,797 985,371 889,797 Weighted average shares of assumed conversion shares 757,429 768,965 770,394 693,330 =========== =========== =========== =========== Weighted average shares of common stock and assumed conversion shares 5,838,376 5,596,913 5,812,875 5,421,212 =========== =========== =========== =========== Income from continuing operations $ 1,900,255 $ 2,357,104 $ 4,208,522 $ 4,472,923 =========== =========== =========== =========== Income (loss) from discontinued operations $ - $ (684,380) $ 489,494 $ (749,189) =========== =========== =========== =========== Income (loss) per basic share: Continuing operations $ 0.37 $ 0.49 $ 0.83 $ 0.95 Discontinued operations - (0.14) 0.10 (0.16) ----------- ----------- ----------- ----------- Net income per basic share $ 0.37 $ 0.35 $ 0.93 $ 0.79 =========== =========== =========== =========== Income (loss) per diluted share: Continuing operations $ 0.33 $ 0.42 $ 0.72 $ 0.83 Discontinued operations - (0.12) 0.08 (0.14) ----------- ----------- ----------- ----------- Net income per diluted share $ 0.33 $ 0.30 $ 0.81 $ 0.69 =========== =========== =========== =========== 17