MSA Safety Inc — Director's Dealing 2017

May 2, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MSA Safety Inc (MSA)
CIK: 0000066570
Period of Report: 2017-04-28

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-28	Common Stock, no par value	M	9429.0000	$17.8300	Acquired	175186.0000	Direct
2017-04-28	Common Stock, no par value	S	600.0000	$80.4316	Disposed	174586.0000	Direct
2017-04-28	Common Stock, no par value	S	8829.0000	$79.2697	Disposed	165757.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-04-28	Non-statutory Stock Option	$17.8300	M	9429.0000	Disposed	2019-02-23	Common Stock, no par value (9429.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, no par value	60600.0000	Indirect

Footnotes

F1: Share price on this transaction ranged from $80.15 to $80.88.

F2: Share price on this transaction ranged from $79 to $79.97.