HemaCare Corporation (OTC BB: HEMA) announced today that it will release its first quarter 2006 financial results on Friday, May 12, 2006 before markets open. The Company will host an interactive investor conference call on Friday, May 12, 2006 at 1:00 PM (Eastern Standard Time) to review the results. To participate in the call, please call 800-309-8563 and ask to join HemaCare’s First Quarter 2006 Financial Results conference call, conference ID number 8684580. A recording will be available two hours following the call through midnight (Eastern Standard Time), May 19, 2006 that can be replayed by calling 800-642-1687, ID number 8684580. A webcast of the conference call will also be available via the Company website (www.hemacare.com) after May 19, 2006.