Exhibit 99.3
JOINT FILING AGREEMENT
The undersigned hereby agree that the statement on Schedule 13D with respect to
the shares of common stock of Liquent, Inc. is, and any amendment thereto signed
by each of the undersigned shall be, filed on behalf of each undersigned
pursuant to and in accordance with the provisions of 13d1-(k) under the
Securities Exchange Act of 1934, as amended.
Dated: November 20, 2001 INFORMATION HOLDINGS INC.
By: /s/ Xxxxxxx X. Xxxxxxxx
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Name: Xxxxxxx X. Xxxxxxxx
Title: Executive Vice President and
Chief Financial Officer
FLUID ACQUISITION CORP.
By: /s/ Xxxxxxx X. Xxxxxxxx
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Name: Xxxxxxx X. Xxxxxxxx
Title: Vice President and Secretary
