JOINT FILING AGREEMENTJoint Filing Agreement • April 6th, 2011 • Warburg Pincus & Co
Pursuant to Rule 13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned agree that the Statement on Schedule 13D, including any amendments thereto, to which this exhibit is attached is filed on behalf of each of them in the capacities set forth below. This Joint Filing Agreement may be executed in any number of counterparts, each of which shall be deemed an original, but all of which shall constitute one and the same instrument.
