X0304 4 2012-01-19 0 0000862510 TRANSATLANTIC HOLDINGS INC TRH 0001318902 Sapnar Michael Charles TRANSATLANTIC HOLDINGS, INC. 80 PINE STREET NEW YORK NY 10005 1 1 0 0 President & CEO Common Stock 2012-01-19 4 M 0 6683 0.00 A 21426 D Common Stock 2012-01-19 4 M 0 1747 0.00 A 23173 D Common Stock 2012-01-19 4 M 0 2824 0.00 A 25997 D Common Stock 2012-01-19 4 M 0 1284 0.00 A 27281 D Restricted Stock Unit 2012-01-19 4 M 0 2303 0.00 D Common Stock 2303 0 D Restricted Stock Unit 2012-01-19 4 M 0 4533 0.00 D Common Stock 4533 0 D Restricted Stock Unit 2012-01-19 4 M 0 2745 0.00 D Common Stock 2745 0 D Restricted Stock Unit 2012-01-19 4 M 0 10500 0.00 D Common Stock 10500 10500 D Granted under the 2009 Partner Plan implemented under the Transatlantic Holdings, Inc. 2009 Long Term Equity Incentive Plan. The acquisition reflects the number of restricted stock units vested (10500), net of the shares used for the taxes (3817) on the transaction. Represents performance restricted stock units ("RSUs") earned with respect to awards made under the 2009 Partners Plan implemented as part of the Transatlantic Holdings, Inc. 2009 Long Term Equity Incentive Plan. 50 percent of these RSUs vested on January 1, 2012 and 50 percent of these RSUs are eligible to vest on January 1, 2013. Granted under the 2008 Senior Partners Plan implemented under the Transatlantic Holdings, Inc. Amended and Restated 2003 Stock Incentive Plan. The acquisition reflects the number of restricted stock units vested (2745), net of the shares used for the taxes (998) on the transaction. Represents performance restricted stock units ("RSUs") earned with respect to awards made under the 2008 Senior Partners Plan implemented as part of the Transatlantic Holdings, Inc. Amended and Restated 2003 Stock Incentive Plan. 50 percent of these RSUs vested on January 1, 2011 and 50 percent of these RSUs vested on January 1, 2012. Granted under the 2008 Partner Plan implemented under the Transatlantic Holdings, Inc. Amended and Restated 2003 Stock Incentive Plan. The acquisition reflects the number of restricted stock units vested (4533), net of the shares used for the taxes (1709) on the transaction. Represents performance restricted stock units ("RSUs") earned with respect to awards made under the 2008 Partner Plan implemented as part of the Transatlantic Holdings, Inc. Amended and Restated 2003 Stock Incentive Plan. 50 percent of these RSUs vested on January 1, 2011 and 50 percent of these RSUs vested on January 1, 2012. Granted under the 2006 Partner Plan implemented under the Transatlantic Holdings, Inc. Amended and Restated 2003 Stock Incentive Plan. The acquisition reflects the number of restricted stock units vested (2303), net of the shares used for the taxes (1019) on the transaction. Represents performance restricted stock units ("RSUs") earned with respect to awards made under the 2006 Partner Plan implemented as part of the Transatlantic Holdings, Inc. Amended and Restated 2003 Stock Incentive Plan. 50 percent of these RSUs vested on January 1, 2010 and 50 percent of these RSUs vested on January 1, 2012. /s/ Amy M. Cinquegrana by Power of Attorney for Michael C. Sapnar 2012-01-23