JOINT FILING AGREEMENT
The undersigned hereby agree that statements on Schedules 13G or 13D
with respect to the shares of common stock of Cypress Bioscience, Inc. and any
amendments thereto signed by each of the undersigned shall be filed on behalf of
each of the undersigned pursuant to and in accordance with the provisions of
Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended.
The undersigned hereby further agree that this Joint Filing Agreement may be
included as an exhibit to such statements or amendments. This Joint Filing
Agreement may be executed in any number of counterparts, all of which taken
together shall constitute one and the same instrument.
Dated: As of April 10, 2003
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Xxxxxxxx XxXxxxxxx, individually, as a
member of ProQuest Associates LLC and
ProQuest Associates II LLC, as a member of
ProQuest Associates LLC on behalf of
ProQuest Investments, L.P. and ProQuest
Companion Fund, L.P., and as a member of
ProQuest Associates II LLC on behalf of
ProQuest Investments II, L.P. and ProQuest
Investments II Advisors Fund, L.P.
*
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Xxx Xxxxxx, individually
*
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Xxxxx Xxxxxxxxx, individually
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Xxxxx Xxxxx, individually
*By: /S/ XXXXXXXX XXXXXXXXX
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Xxxxxxxx XxXxxxxxx, Attorney-in-Fact
Power of attorney to be filed by a separate amendment
