EXHIBIT I
JOINT FILING AGREEMENT
This will confirm the agreement by and among the undersigned that the Schedule
13G filed with the Securities and Exchange Commission on or about the date
hereof with respect to the beneficial ownership by the undersigned of the
Common Stock, par value $0.002 per share, of ViroPharma Incorporated, a
Delaware corporation, is being filed, and all amendments thereto will be
filed, on behalf of each of the persons and entities named below in accordance
with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. This
Agreement may be executed in two or more counterparts, each of which shall
be deemed an original, but all of which together shall constitute one and the
same instrument.
Dated: January 31, 2005
HIGHBRIDGE INTERNATIONAL LLC
By: /s/ Xxxxxx Xxxxxxxxxx
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Xxxxxx Xxxxxxxxxx, Director
HIGHBRIDGE CAPITAL CORPORATION
By: /s/ Xxxxxx Xxxxxxxxxx
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Xxxxxx Xxxxxxxxxx, Controller
HIGHBRIDGE CAPITAL MANAGEMENT, LLC
By: /s/ Xxxxxx X. Xxxxxxx
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Xxxxxx X. Xxxxxxx, Managing Partner
/s/ Xxxxx Xxxxx
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XXXXX XXXXX
/s/ Xxxxx Xxxxxx
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XXXXX XXXXXX
