X0203 3 2011-04-01 0 0001486957 Babcock & Wilcox Co BWC 0001517109 Baker Peyton S. 13024 BALLANTYNE CORPORATE PLACE SUITE 700 CHARLOTTE NC 28277 0 1 0 0 President - NOG Common Stock 9580 D Common Stock 880 I 401k Plan Stock Options (right to buy) 10.58 2016-03-05 Common Stock 4551 D Stock Options (right to buy) 24.55 2017-03-04 Common Stock 2489 D Stock Options (right to buy) 34.55 2018-03-04 Common Stock 8217 D Restricted Stock Units 0 2013-03-04 Common Stock 2612 D Restricted Stock Units 0 2012-03-05 Common Stock 1247 D Restricted Stock Units 0 2014-03-04 Common Stock 2601 D Based on number of units held in the BWC Thrift Plan and the fair market value of BWC common stock as of April 1, 2011. Stock options vest in three equal annual installments beginning March 5, 2010. Stock options vest in three equal annual installments beginning March 4, 2011. Stock options vest in three equal annual installments beginning March 4, 2012. RSUs vest in three equal annual installments beginning March 4, 2011. RSUs vest in three equal annual installments beginning March 5, 2010. RSUs vest in three equal annual installments beginning March 4, 2012. Peyton S. Baker, by Angela P. Winter, attorney-in-fact 2011-04-11