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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: XXXXXXXX VENTURE ADVISERS, INC.
Its: Managing Member
By: /s/ Xxxxxxx X. Xxxxxxxxx
Xxxxxxx X. Xxxxxxxxx,
President
XXXXXX XXXXX TRUST
By: /s/ Xxxxxxxxx Xxxxx
Xxxxxxxxx Xxxxx,
as Sole Trustee
XXXXXXXX VENTURE ADVISERS, INC.
By: /s/ Xxxxxxx X. Xxxxxxxxx
Xxxxxxx X. Xxxxxxxxx,
President
/s/ Xxxxxxx X. Xxxxxxxxx
Xxxxxxx X. Xxxxxxxxx