MSA Safety Inc — Director's Dealing 2012

May 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2012-05-01

Reporting Person: SHAW L EDWARD JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-01	Common Stock, no par value	S	3001.0000	$42.9864	Disposed	289622.0000	Indirect
2012-05-02	Common Stock, no par value	S	15000.0000	$42.4099	Disposed	274622.0000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, no par value	355866.0000	Direct
Common Stock, no par value	397547.0000	Indirect
Common Stock, no par value	135440.0000	Indirect

Footnotes

F1: Share price on this transaction ranged from $42.9000 to $43.0500.

F2: Share price on this transaction ranged from $42.3300 to $42.6400.