BWX Technologies, Inc. — Director's Dealing 2017

May 8, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BWX Technologies, Inc. (BWXT)
CIK: 0001486957
Period of Report: 2017-05-04

Reporting Person: NILAND BARBARA A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-04	Common Stock	M	2396	—	Acquired	4731	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-04	Common Stock	$0.0	A	2396	Acquired		Common Stock (2396.0)	Direct
2017-05-04	Common Stock	$0.0	M	2396	Disposed		Common Stock (2396.0)	Direct

Footnotes

F1: Grant of restricted stock units pursuant to the Amended and Restated 2010 Long-Term Incentive Plan of BWX Technologies, Inc. Each restricted stock unit represents a contingent right to receive one share of BWXT common stock.

F2: RSUs vest immediately.