HemaCare Corporation EXHIBIT 11 Net Income (Loss) per Common and Common Equivalent Share Years Ended December 31, ------------------------------------------ 1997 1996 1995 ----------- ------------ ------------ INCOME (LOSS) ------------- Income from continuing operations........ $ 37,000 $(1,090,000) $ 480,000 Loss from discontinued operations........ - - (902,000) Gain(loss) on disposal of discontinued operations, including provision for operating losses during phase-out period................................ 293,000 600,000 (3,114,000) ----------- ------------ ------------ Net income (loss)....................... $ 330,000 $ (490,000) $(3,536,000) =========== ============ ============ BASIC ----- Weighted average number of shares outstanding.......................... 7,189,000 6,350,000 5,693,000 =========== ============ ============ Basic income (loss) per share based on common and common equivalent shares - primary: Income from continuing operations...... $ 0.01 $ (0.17) $ 0.08 Loss from discontinued operations...... - - (0.15) Gain (loss) on disposal of discontinued operations, including provision for operating losses during phase-out period................................ 0.04 0.09 (0.55) ----------- ------------ ------------ Net income (loss)...................... $ 0.05 $ (0.08) $ (0.62) =========== ============ ============ DILUTED ------- Weighted average number of shares outstanding......................... 7,189,000 6,350,000 5,693,000 =========== =========== ============ Dilutive common equivalent shares attributable to stock options (based on higher of ending or average market price)........................ 11,000 - 122,000 Dilutive common equivalent shares attributable to warrants (based on higher of ending or average market price)............................... 5,000 - 29,000 ----------- ----------- ------------ Total common and common equivalent shares - fully loaded................ 7,205,000 6,350,000 5,844,000 =========== =========== ============ Diluted income(loss) per share based on common and common equivalent shares: Income from continuing operations...... $ 0.01 $ (0.17) $ 0.08 Loss from discontinued operations...... - - (0.16) Gain (loss) on disposal of discontinued operations, including provision for operating losses during phase-out period................................ 0.04 0.09 (0.53) ----------- ----------- ------------ Net income (loss)...................... $ 0.05 $ (0.08) $ (0.61) =========== =========== ============