EXHIBIT ADavis J Morton • February 14th, 1996 • Biological products, (no disgnostic substances)
Company FiledFebruary 14th, 1996 IndustryThe undersigned hereby agree to jointly prepare and file with regulatory authorities a Schedule 13G and any future amendments thereto reporting each of the undersigned's ownership of securities of American Biogenetic Sciences, Inc., and hereby affirm that such Schedule 13G is being filed on behalf of each of the undersigned.