from SC 13D/A
1 page
<page> 12 of 14 Agreement Dated February 8, 1995 Pursuant to Rule 13d-1(f)(1) Under the Securities Exchange Act of 1934, the Undersigned Hereby Agree That Only One Statement Containing the Information Required by Schedule 13d, or Any Amendment Thereto, Need Be Filed With Respect to the Current Ownership of Any of the Undersigned of Shares of Common Stock of Interferon Sciences, Inc. or Any Purchases of Additional Stock of Such Company by Any of the Undersigned. Biotechnology Investment Group, L.L.C. By: Schroder Venture Advisers, Inc. Its: Managing Member By: /S/ Jeffrey J. Collinson Jeffrey J. Collinson, President Edward Blech Trust By: /S/ Mordechai Jofen Mordechai Jofen, as Sole Trustee Schroder Venture Advisers, Inc. By: /S/ Jeffrey J. Collinson Jeffrey J. Collinson, President /S/ Jeffrey J. Collinson Jeffrey J. Collinson
