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: May 20, 2013
QVT FINANCIAL LP
By: QVT Financial GP LLC, its General Partner | QVT FUND V LP
By: QVT Associates GP LLC, its General Partner | |||||
By: | /s/ Tracy Fu | By: | /s/ Tracy Fu | |||
Name: | Tracy Fu | Name: | Tracy Fu | |||
Title: | Managing Member | Title: | Managing Member | |||
By: | /s/ Nicholas Brumm | By: | /s/ Nicholas Brumm | |||
Name: | Nicholas Brumm | Name: | Nicholas Brumm | |||
Title: | Managing Member | Title: | Managing Member | |||
QVT FINANCIAL GP LLC | QVT ASSOCIATES GP LLC | |||||
By: | /s/ Tracy Fu | By: | /s/ Tracy Fu | |||
Name: | Tracy Fu | Name: | Tracy Fu | |||
Title: | Managing Member | Title: | Managing Member | |||
By: | /s/ Nicholas Brumm | By: | /s/ Nicholas Brumm | |||
Name: | Nicholas Brumm | Name: | Nicholas Brumm | |||
Title: | Managing Member | Title: | Managing Member |
Page 8 of 8 pages