HemaCare Corporation EXHIBIT 11 Basic and Diluted Net Income per Share Three Months Ended Six months ended June 30, June 30, -------------------------- --------------------------- 2001 2000 2001 2000 ----------- ----------- ----------- ------------ BASIC ----- Weighted average common shares used to compute basic earnings per share............................... 7,431,567 7,625,054 7,508,169 7,561,490 =========== =========== =========== =========== Net income.......... $ 153,000 $ 326,586 $ 372,000 $ 651,805 =========== =========== =========== =========== Basic net income per share............. $ 0.02 $ 0.04 $ 0.05 $ 0.09 =========== =========== =========== =========== DILUTED ------- Weighted average common shares used to compute basic earnings per share.... 7,431,567 7,625,054 7,508,169 7,561,490 Dilutive preferred equivalent shares.. 500,000 500,000 Dilutive common equivalent shares attributable to stock options (based on average market price)..... 648,631 714,787 758,411 771,465 Dilutive common equivalent shares attributable to warrants (based on average market price)............... 39,030 64,984 30,809 72,404 ----------- ----------- ----------- ----------- Weighted average common shares and equivalents used to compute diluted earnings per share.......... 8,119,228 8,904,825 8,297,389 8,905,359 =========== =========== =========== =========== Net income........... $ 153,000 $ 326,586 $ 372,000 $ 651,805 =========== =========== =========== =========== Diluted net income per share ...... $ 0.02 $ 0.04 $ 0.04 $ 0.07 =========== =========== =========== ===========