BWX Technologies, Inc. — Director's Dealing 2018

May 15, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BWX Technologies, Inc. (BWXT)
CIK: 0001486957
Period of Report: 2018-05-12

Reporting Person: FEES JOHN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-12	Common Stock	M	404	—	Acquired	66870	Direct
2018-05-12	Common Stock	F	404	$67.62	Disposed	66466	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-12	Restricted Stock Units	$0.0	M	154	Disposed	2019-03-01	Common Stock (154.0)	Direct
2018-05-12	Restricted Stock Units	$0.0	M	250	Disposed	2020-03-02	Common Stock (250.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	9372	Indirect

Footnotes

F1: Based on the number of units held in the BWXT Thrift Plan and the fair market value of BWXT common stock as of March 31, 2018.

F2: RSUs vested on May 12, 2018. The Reporting Person elected to defer receipt of the shares underlying the RSUs until six months after his termination of employment with the Company. The Reporting Person continues to serve as a director of the Company.