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EXHIBIT A
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13G with
respect to the Common Stock of Boston Life Sciences, Inc., dated as of January
15, 2002, is, and any amendments thereto (including amendments on Schedule 13D)
signed by each of the undersigned shall be, filed on behalf of each of us
pursuant to and in accordance with the provisions of Rule 13d-1(k) under the
Securities Exchange Act of 1934.
Date: January 15, 2002 XXXXX XXXXXXX PARTNERS I, LTD.
By: /s/ XXXXX X. XXXXXX
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Name: Xxxxx X. Xxxxxx
Title: Attorney-in-Fact
Date: January 15, 2002 XXXXX XXXXXXX ASSET MANAGEMENT, LLC
By: /s/ XXXXX X. XXXXXX
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Name: Xxxxx X. Xxxxxx
Title: Managing Principal
