Agreement of Advent Venture Partners LLP, Advent Private Equity Fund III Affiliates, Advent Management III Limited Partnership, Advent Private Equity Fund III A LTD Partnership, Advent Private Equity Fund III B LTD Partnership, Advent Private Equity...

Exhibit 1

EXHIBIT 1

Re: CUSIP No. 00000X000

Agreement of
Advent Venture Partners LLP, Advent Private Equity Fund III Affiliates, Advent Management III Limited Partnership, Advent Private Equity Fund III A LTD Partnership, Advent Private Equity Fund III B LTD Partnership, Advent Private Equity Fund III C LTD Partnership, Advent Private Equity Fund III D LTD Partnership and Advent Private Equity Fund III GmbH & Co KG.

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Each of the undersigned hereby agree that the Schedule 13G to which this Agreement is attached as Exhibit 1 is filed on behalf of it pursuant to Rule 13d-1(k)(1) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Notwithstanding the foregoing, each of the undersigned disclaim beneficial ownership of the shares of the other, except to the extent of his or its pecuniary interest therein.

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/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Private Equity Fund III Affiliates

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Management III Limited Partnership

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Private Equity Fund III A LTD Partnership

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Private Equity Fund III B LTD Partnership

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Private Equity Fund III C LTD Partnership

Emergent Biosolutions  - 2009

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Private Equity Fund III D LTD Partnership

/s/ Xxxxxxx Xxxxx

Xxxxxxx Xxxxx
General Partner of Advent Venture Partners LLP

acting in its capacity as Manager of

Advent Private Equity Fund III GmbH & Co KG

Dated:  13 February 2009