JOINT FILING AGREEMENT
Published on February 4, 2003
EXHIBIT 1
JOINT FILING AGREEMENT
The undersigned hereby agree to the joint filing of the Schedule 13G to
which this Agreement is attached.
Dated: February 4, 2003
WAM Acquisition GP, Inc.
for itself and as general partner of
LIBERTY WANGER ASSET MANAGEMENT, L.P.
By: /s/ Bruce H. Lauer
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Bruce H. Lauer
Senior Vice President and Secretary
LIBERTY ACORN TRUST
By: /s/ Bruce H. Lauer
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Bruce H. Lauer
Vice President, Treasurer and
Secretary
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