Joint Filing Agreement
Exhibit 99.1
The undersigned hereby agree that the Statement on Schedule 13G, dated October 8, 2014 with respect to the shares of Common Stock of Assembly Biosciences, Inc. and any 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.
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Dated: October 8, 2014
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EcoR1 Capital Fund, L.P.
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By:
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General Partner
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By:
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/s/ Xxxx Xxxxxxxx
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Name:
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Xxxx Xxxxxxxx
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Title:
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Manager
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EcoR1 Capital Fund Qualified, L.P.
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By:
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General Partner
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By:
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/s/ Xxxx Xxxxxxxx
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Name:
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Xxxx Xxxxxxxx
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Title:
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Manager
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By:
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/s/ Xxxx Xxxxxxxx
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Name:
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Xxxx Xxxxxxxx
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Title:
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Manager
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/s/ Xxxx Xxxxxxxx
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Xxxx Xxxxxxxx
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