Exhibit 1
Agreement of Joint Filing
Pursuant to 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned persons hereby agree to file with the Securities and Exchange Commission the Statement on Schedule 13D (the “Statement”) to which this Agreement is attached as an exhibit, and agree that such Statement, as so filed, is filed on behalf of each of them.
IN WITNESS WHEREOF, the undersigned have executed this Agreement.
Dated: October 19, 2011
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| QVT FINANCIAL LP | | QVT FUND LP | | |
| |
| By: QVT Financial GP LLC, its General Partner | | By: QVT Associates GP LLC, its General Partner | | |
| | | | | | | | | |
| By: | | /s/ Daniel Gold | | By: | | /s/ Daniel Gold | | |
| | | Name: Daniel Gold | | | | Name: Daniel Gold | | |
| | | Title: Managing Member | | | | Title: Managing Member | | |
| | | | | | | | | |
| By: | | /s/ Meg Eisner | | By: | | /s/ Meg Eisner | | |
| | | Name: Meg Eisner | | | | Name: Meg Eisner | | |
| | | Title: Authorized Signatory | | | | Title: Authorized Signatory | | |
| | | | | | | | | |
| QVT FINANCIAL GP LLC | | QVT ASSOCIATES GP LLC | | |
| | | | | | | | | |
| By: | | /s/ Daniel Gold | | By: | | /s/ Daniel Gold | | |
| | | Name: Daniel Gold | | | | Name: Daniel Gold | | |
| | | Title: Managing Member | | | | Title: Managing Member | | |
| | | | | | | | | |
| By: | | /s/ Meg Eisner | | By: | | /s/ Meg Eisner | | |
| | | Name: Meg Eisner | | | | Name: Meg Eisner | | |
| | | Title: Authorized Signatory | | | | Title: Authorized Signatory | | |
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