Exhibit A
JOINT FILING STATEMENT
I, the undersigned, hereby express my agreement that the attached Schedule 13D (and any amendments thereto) relating to the Common Stock of Transcept Pharmaceuticals, Inc. is filed on behalf of each of the undersigned.
Date: September 28, 2011
InterWest Partners IX, L.P.
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| By: | | InterWest Management Partners IX, LLC | | |
| Its: | | General Partner | | |
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| By: | | /s/ W. Stephen Holmes III W. Stephen Holmes III | | |
| | | Managing Director | | |
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| InterWest Management Partners IX, LLC | | |
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| By: | | /s/ W. Stephen Holmes III | | |
| | | W. Stephen Holmes III | | |
| | | Managing Director | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Harvey B. Cash | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Philip T. Gianos | | |
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| /s/ W. Stephen Holmes III | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Gilbert H. Kliman | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Arnold L. Oronsky | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Thomas L. Rosch | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Bruce A. Cleveland | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Christopher B. Ehrlich | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Nina Kjellson | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Khaled A. Nasr | | |
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| /s/ Karen A. Wilson | | |
Karen A. Wilson, Attorney-in-Fact for Douglas A. Pepper | | |
