EX-99.02 April 6, 2004 Mr. Harry Masuda Chief Executive Officer Human BioSystems 1127 Harker Avenue Palo Alto, California 94301 Re: Agreement to Accept Common Stock in Reduction of Debt Dear Harry: Pursuant to discussions between us, Human Biosystems,...Human Biosystems Inc • May 14th, 2004 • Services-commercial physical & biological research
