MSA Safety Inc — Director's Dealing 2017

May 8, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MSA Safety Inc (MSA)
CIK: 0000066570
Period of Report: 2017-05-04

Reporting Person: LAMBERT WILLIAM M (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-04	Common Stock, no par value	M	3977.0000	$17.8300	Acquired	169734.0000	Direct
2017-05-04	Common Stock, no par value	S	3977.0000	$79.0000	Disposed	165757.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-04	Non-statutory Stock Option	$17.8300	M	3977.0000	Disposed	2019-02-23	Common Stock, no par value (3977.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, no par value	60600.0000	Indirect