1 EXHIBIT 11.1 RIMAGE CORPORATION COMPUTATION OF NET INCOME PER SHARE OF COMMON STOCK Basic net income per common share is determined by dividing net income by the weighted average number of shares of common stock outstanding. Diluted net income per common share is determined by dividing net income by the weighted average number of shares of common stock and common share equivalents 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 Six months ended June 30, June 30, ------------------------ ------------------------ 2001 2000 2001 2000 ---------- ---------- ---------- ---------- Shares outstanding at end of period 8,729,228 8,404,545 8,729,228 8,404,545 ========== ========== ========== ========== Weighted average shares of common stock outstanding 8,726,495 8,344,059 8,712,559 8,251,124 Weighted average shares of assumed conversion shares 819,060 1,321,687 848,663 1,389,277 ---------- ---------- ---------- ---------- Weighted average shares of common stock and assumed conversion shares 9,545,555 9,665,746 9,561,222 9,640,401 ========== ========== ========== ========== Net income $ 930,958 $2,480,477 $1,981,846 $4,634,583 ========== ========== ========== ========== Basic net income per common share $0.11 $0.30 $0.23 $0.56 ========== ========== ========== ========== Diluted net income per common share $0.10 $0.26 $0.21 $0.48 ========== ========== ========== ==========