MSA Safety Inc — Director's Dealing 2012

May 23, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2012-05-21

Reporting Person: SHAW L EDWARD JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-05-21	Common Stock, no par value	S	5000.0000	$41.9626	Disposed	236797.0000	Indirect
2012-05-22	Common Stock, no par value	S	17717.0000	$41.9438	Disposed	219080.0000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, no par value	357083.0000	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 $41.77 to $42.17.

F2: Share price on this transaction ranged from $41.75 to $42.23.