51 EXHIBIT 99.1 AGREEMENT TO FURNISH EXHIBITS AND SCHEDULES HemaCare Corporation (the "Registrant") hereby agrees to furnish supplementally to the Securities and Exchange Commission a copy of any omitted exhibits of the Rights Agreement dated as of March 3, 1998, filed with this Report as Exhibit 4. Items omitted from the Rights Agreement include: - - Exhibit A, Certificate of Determination of Series A Junior Participating Preferred Stock - - Exhibit B, Form of right Certificate - - Exhibit C, Summary of Rights to Purchase Common Shares