MSA Safety Inc — Director's Dealing 2005

May 17, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2005-05-13

Reporting Person: SHAW L EDWARD JR (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-05-13	Common Stock, no par value	A	704	—	Acquired	46932	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-05-13	Non-statutory Stock Option	$44.36	A	1109	Acquired	2015-05-13	Common Stock, no par value (1109)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, no par value	404883	Indirect
Common Stock, no par value	59406	Indirect
Common Stock, no par value	590097	Indirect
Common Stock, no par value	440	Indirect
Preferred - 4-1/2% Cumulative	721	Indirect