X0306 4 2016-02-29 0 0001486957 BWX Technologies, Inc. BWXT 0001477291 Bertsch Jan 800 MAIN STREET, 4TH FLOOR LYNCHBURG VA 24504 1 0 0 0 Units 0.00 2016-02-29 4 A 0 2233 0.00 A Common Stock 2233 2233 D The Reporting Person elected to convert certain deferred equity awards payable in shares of Babcock & Wilcox Enterprises, Inc. ("BWE") that were received in connection with the spin-off of BWE from BWX Technologies, Inc. (the "Company") into units payable in shares of the Company. The conversion was based on the respective closing sales prices of BWE and Company common stock on the New York Stock Exchange on the conversion date (2/29/2016). Units are 100% vested and are deferred. In accordance with the Reporting Person's deferral election, shares will be delivered to the Reporting Person in either a lump sum or in installments beginning on the Reporting Person's termination of service on the Board of Directors of the Company, depending on the Reporting Person's deferral election. /s/ Jan Bertsch, by Theresa B. Taylor, attorney-in-fact 2016-03-02