X0303 4 2010-02-09 0000011544 BERKLEY W R CORP WRB 0001236244 COLE ROBERT P W. R. BERKLEY CORPORATION 475 STEAMBOAT ROAD GREENWICH CT 06830 0 1 0 0 SVP - Regional Operations Common Stock 2010-02-09 4 M 0 31670 3.06 A 172566 D Common Stock 2010-02-09 4 M 0 26603 11.39 A 199169 D Common Stock 9569 I By 401(k) Plan Employee Stock Option (Right to Buy) 3.06 2010-02-09 4 M 0 31670 0 D 2010-03-16 Common Stock 31670 0 D Employee Stock Option (Right to Buy) 11.39 2010-02-09 4 M 0 26603 0 D 2012-04-03 Common Stock 26603 49337 D Includes 77,563 shares of common stock underlying restricted stock units, 41,063 of which have vested (the receipt of which has been deferred) and the balance of which are scheduled to vest as follows: 18,000 on December 5, 2010 and 18,500 on December 17, 2012. Between December 8, 2009 and February 8, 2010, the reporting person acquired 56 shares of W. R. Berkley Corporation common stock under the W. R. Berkley Corporation Profit Sharing Plan. The information in this report is based on a statement of account dated February 8, 2010. This stock option grant was originally reported as covering 12,500 shares with an exercise price of $15.50 and has been adjusted to reflect the 3-for-2 stock splits of July 2002, August 2003, April 2005 and April 2006. Stock option grant vested in four equal installments on March 16, 2003, March 16, 2004, March 16, 2005 and March 16, 2006. This stock option grant was originally reported as covering 15,000 shares with an exercise price of $57.67 and has been adjusted to reflect the 3-for-2 stock splits of July 2002, August 2003, April 2005 and April 2006. Stock option grant vested in four equal installments on April 3, 2005, April 3, 2006, April 3, 2007 and April 3, 2008. Robert P. Cole 2010-02-09