Platinum Underwriters Holdings, Ltd. to Report First Quarter 2011 Financial Results on April 19

Platinum Underwriters Holdings, Ltd. PTP will report financial results for the quarter ended March 31, 2011 after the close of trading on the New York Stock Exchange on Tuesday, April 19, 2011.

The Company will host a teleconference to discuss the financial results on Wednesday, April 20, 2011 at 8:00 a.m. Eastern time.