JOINT FILING AGREEMENT
Exhibit 1
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of Helicos BioSciences Corporation.
This Agreement may be executed in any number of counterparts, each of which shall be deemed an original.
EXECUTED as of this 2nd day of January, 2009.
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HIGHLAND CAPITAL PARTNERS VI |
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LIMITED PARTNERSHIP |
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By: Highland Management Partners VI Limited |
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By: |
/s/ Xxxxxxxx Xxxxx |
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Authorized Signatory |
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HIGHLAND CAPITAL PARTNERS VI-B |
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LIMITED PARTNERSHIP |
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By: Highland Management Partners VI Limited |
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By: |
/s/ Xxxxxxxx Xxxxx |
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Authorized Signatory |
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HIGHLAND ENTREPRENEURS’ FUND VI |
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By: HEF VI Limited Partnership, its general partner |
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By: Highland Management Partners VI, Inc.,
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By: |
/s/ Xxxxxxxx Xxxxx |
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Authorized Signatory |
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HEF VI LIMITED PARTNERSHIP |
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By: Highland
Management Partners VI, Inc., its |
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By: |
/s/ Xxxxxxxx Xxxxx |
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Authorized Signatory |
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HIGHLAND MANAGEMENT PARTNERS VI |
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By: Highland Management Partners VI, Inc.,
its |
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By: |
/s/ Xxxxxxxx Xxxxx |
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Authorized Signatory |
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HIGHLAND MANAGEMENT PARTNERS VI, INC. |
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By: |
/s/ Xxxxxxxx Xxxxx |
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Authorized Signatory |
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/s/ Xxxxxx X. Xxxxxxx |
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Xxxxxx X. Xxxxxxx |
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/s/ Xxxx X. Xxxxxx |
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Xxxx X. Xxxxxx |
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/s/ Xxxxxx X. Nova |
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Xxxxxx X. Nova |
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/s/ Xxxx X. Xxxxxx |
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Xxxx X. Xxxxxx |
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/s/ Xxxxxx X. Xxxxx |
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Xxxxxx X. Xxxxx |
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/s/ Xxxxxx X. Xxxxxx |
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Xxxxxx X. Xxxxxx |
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/s/ Xxxxx X. Xxxxxx |
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Xxxxx X. Xxxxxx |
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