We held our annual meeting of stockholders (the “Annual Meeting”) on May 4, 2018. A brief description of and the final vote result for each matter voted on at the Annual Meeting are set forth below. Each matter is described in more detail in our Proxy Statement filed with the U.S. Securities and Exchange Commission on March 23, 2018.

Proposal 1: Election of three Class II directors to serve a three-year term:

Proposal 2: Advisory vote to approve the 2017 compensation of our named executive officers:

Proposal 3: Ratification of the appointment of Deloitte& Touche LLP as our independent registered public accounting firm for the year ending December31, 2018:

About BWX TECHNOLOGIES, INC. (NYSE:BWXT)

BWX Technologies, Inc., formerly The Babcock & Wilcox Company, is a manufacturer of nuclear components and a service provider. The Company’s businesses focus on the design, engineering and manufacture of precision naval nuclear components, reactors and nuclear fuel for the United States Government. Its segments include Nuclear Operations, Technical Services, Nuclear Energy and Other. The Nuclear Operations segment engineers, designs and manufactures precision naval nuclear components and reactors for the United States Department of Energy (DOE)/National Nuclear Security Administration’s (NNSA) Naval Nuclear Propulsion Program. The Technical Services segment provides various services to the United States Government. The Nuclear Energy segment designs, licenses, manufactures and delivers commercial nuclear steam generators, pressure vessels, reactor components, heat exchangers and other auxiliary equipment. The Other segment includes the mPower program.