EXHIBIT 11 HEMACARE CORPORATION BASIC AND DILUTED NET INCOME PER SHARE Three Months Ended 						 March 31, 2000 1999 ------------ ------------ BASIC Weighted average common shares used to compute basic earnings per share......................... 7,489,055 7,281,120 					 ===========	 =========== Net income................................ $ 325,000 $ 243,000 =========== =========== Basic net income per share....................... $ 0.04 $ 0.03 =========== =========== DILUTED Weighted average common shares used to compute basic earnings per share........................ 7,489,055 7,281,120 Dilutive preferred equivalent shares............. 500,000 500,000 Dilutive common equivalent shares attributable to stock options (based on average market price)... 820,055 6,365 Dilutive common equivalent shares attributable to warrants (based on average market price)........ 78,914 10,358 ----------- ----------- Weighted average common shares and equivalents used to compute diluted earnings per share........... 8,888,024 7,797,843 =========== =========== Net income............................... $ 325,000 $ 243,000 =========== =========== Diluted net income per share..................... $ 0.04 $ 0.03 =========== ===========