EXHIBIT 1
JOINT FILING AGREEMENT
Pursuant to and in accordance with Rule 13d-1(k)(1) under the Securities
Exchange Act of 1934, the undersigned hereby agree to jointly file the Schedule
13D/A dated July 19, 2001 and any amendments thereto with respect to the
beneficial ownership by each of the undersigned of shares of common stock of
Impax Laboratories, Inc. Such joint filings may be executed by one or more of us
on behalf of each of the undersigned. This Agreement may be executed in any
number of counterparts, each of which shall be deemed an original.
Dated: July 19, 2001
XXXXXXX US DISCOVERY FUND III, L.P.
By: Xxxxxxx US Discovery Partners, L.P., its general partner
By: Xxxxxxx US Discovery, LLC, its general partner
By: /s/ Xxxxxx X. Xxxx
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Xxxxxx X. Xxxx, Member
XXXXXXX US DISCOVERY OFFSHORE FUND III, L.P.
By: Xxxxxxx US Discovery Partners, L.P, its general partner
By: Xxxxxxx US Discovery, LLC, its general partner
By: /s/ Xxxxxx X. Xxxx
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Xxxxxx X. Xxxx, Member
XXXXXXX US DISCOVERY PARTNERS, L.P.
By: Xxxxxxx US Discovery, LLC, its general partner
By: /s/ Xxxxxx X. Xxxx
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Xxxxxx X. Xxxx, Member
XXXXXXX US DISCOVERY, LLC
By: /s/ Xxxxxx X. Xxxx
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Xxxxxx X. Xxxx, Member
XXXXXX XXXXXXX INC.
By: /s/ Xxxxxxxxxxx X.X. Xxxxx
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Xxxxxxxxxxx X.X. Xxxxx, Director
X.X. XXXXXX CHASE & CO.
By: /s/ Xxxxx X. Xxxxxxxx
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Xxxxx X. Xxxxxxxx, Assistant Corporate Secretary