JOINT FILING AGREEMENT
Exhibit
99.1
The
undersigned hereby agree that the Statement on Schedule 13G dated February 9,
2010 with respect to the shares of Common Stock of Infinity Pharmaceuticals,
Inc., and any further amendments thereto executed by each and any 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)(1) under the Securities
Exchange Act of 1934, as amended.
Dated:
February 9, 2010
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BIOTECHNOLOGY
VALUE FUND, L.P.
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INVESTMENT
10, L.L.C.
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By:
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BVF
Partners L.P., its general partner
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By:
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BVF
Partners L.P., its investment manager
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By:
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BVF
Inc., its general partner
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By:
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BVF
Inc., its general partner
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By:
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/s/
Xxxx X.
Xxxxxxx
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By:
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/s/
Xxxx X.
Xxxxxxx
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Xxxx
X. Xxxxxxx
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Xxxx
X. Xxxxxxx
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President
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President
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BIOTECHNOLOGY
VALUE FUND II, L.P.
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BVF
PARTNERS L.P.
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By:
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BVF
Partners L.P., its general partner
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By:
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BVF
Inc., its general partner
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By:
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BVF
Inc., its general partner
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By:
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/s/ Xxxx X.
Xxxxxxx
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Xxxx
X. Xxxxxxx
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By:
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/s/
Xxxx X.
Xxxxxxx
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President
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Xxxx
X. Xxxxxxx
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President
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BVF
INVESTMENTS, L.L.C.
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BVF
INC.
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By:
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BVF
Partners L.P., its manager
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By:
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/s/ Xxxx X.
Xxxxxxx
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Xxxx
X. Xxxxxxx
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||||
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By:
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BVF
Inc., its general partner
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President
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By:
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/s/
Xxxx X.
Xxxxxxx
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Xxxx
X. Xxxxxxx
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/s/ Xxxx X.
Xxxxxxx
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President
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XXXX
X. XXXXXXX
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