Dated: October 29, 1996 BIOTECHNOLOGY VALUE FUND, L.P.A Agreement • October 30th, 1996 • Biotechnology Value Fund L P Et Al • Investment advice
The undersigned, Biotechnology Value Fund, L.P., a Delaware limited partnership, BVF Inc., a Delaware Corporation, and BVF Partners L.P., a Delaware limited partnership, hereby agree and acknowledge that the amended statement containing the information required by Schedule 13D, to which this Agreement is attached as an exhibit, is filed on behalf of each of them. The undersigned further agree that any amendments or supplements thereto shall also be filed on behalf of each of them.
