X0303 4 2010-08-18 0001486957 Babcock & Wilcox Co BWC 0001199539 FEES JOHN A 13024 BALLANTYNE CORPORATE PLACE SUITE 700 CHARLOTTE NC 28277 1 0 0 0 Common Stock 2010-08-18 4 S 0 196172 D 56177 D Common Stock 8915 I 401k Plan 196,172 shares sold on August 18, 2010 as follows: 40,568 @ $23.00, 1,487 @ $23.0034, 5,000 @ $23.0036, 2,400 @ $23.0048, 1,900 @ $23.0053, 5,645 @ $23.0068, 5,000 @ $23.0092, 2,500 @ $23.01, 2,900 @ $23.0112, 700 @ $23.0143, 800 @ $23.015, 800 @ $23.0162, 1,200 @ $23.0179, 1,500 @ $23.0197, 2,400 @ $23.02, 200 @ $23.0212, 700 @ $23.0214, 3,300 @ $23.0218, 1,500 @ $23.022, 200 @ $23.0225, 700 @ $23.025, 100 @ $23.028, 1,489 @ $23.03, 200 @ $23.034, 100 @ $23.035, 200 @ $23.0362, 1,406 @ $23.0393, 2,034 @ $23.04, 700 @ $23.0414, 200 @ $23.0425, 300 @ $23.0433, 2,875 @ $23.0445, 4,300 @ $23.0453, 2,086 @ $23.0485, 700 @ $23.05, 510 @ $23.0522, 8,700 @ $23.0526, 900 @ $23.0539, 1,975 @ $23.06, 200 @ $23.065, 1,100 @ $23.07, 13,190 @ $23.0746, 200 @ $23.075, 14,500 @ $23.08, 200 @ $23.085, 300 @ $23.0867, 800 @ $23.0869, 910 @ $23.0873, 2,513 @ $23.0876, 4,829 @ $23.0896, 700 @ $23.09, 2,200 @ $23.0909, 300 @ $23.0917, 500 @ $23.094, 11,646 @ $23.10, 1,000 @ $23.106, 800 @ $23.1075. Continuation from Footnote 1: 400 @ $23.1081, 200 @ $23.1083, 200 @ $23.11, 800 @ $23.115, 400 @ $23.1175, 100 @ $23.126, 700 @ $23.13, 300 @ $23.135, 200 @ $23.1388, 100 @ $23.139, 1,500 @ $23.1395, 100 @ $23.14, 200 @ $23.1425, 500 @ $23.1456, 700 @ $23.1486, 6,492 @ $23.15, 600 @ $23.16, 400 @ $23.17, 1,006 @ $23.18, 1,000 @ $23.184, 115 @ $23.1887, 2,722 @ $23.19, 206 @ $23.1946, 4,010 @ $23.1973, 1,605 @ $23.20, 3,100 @ $23.2013, 900 @ $23.22, 100 @ $23.23, 1,453 @ $23.24, Based on number of units held in the BWC Thrift Plan and the fair market value of BWC common stock as of August 18, 2010. Angela P. Winter, attorney-in-fact 2010-08-20