LOS ANGELES, CA -- (MARKET WIRE) -- February 26, 2007 -- HemaCare Corporation (OTCBB: HEMA) announced today that it will release its fourth quarter and full year 2006 financial results on Thursday, March 22, 2007 before market open. The Company will host an interactive investor conference call on Thursday, March 22, 2007 at 1:00 PM (Eastern Time) to review the results. To participate in the call, please call 800-309-8563 and ask to join HemaCare’s Fourth Quarter and full year 2006 Financial Results conference call, conference ID number 1054560. A recording will be available two hours following the call through midnight (Eastern Time), March 29, 2007 that can be replayed by calling 800-642-1687, ID number 1054560. A webcast of the conference call will also be available via the Company website (www.hemacare.com) after March 29, 2007.