MSA Safety Inc — Director's Dealing 2004

Mar 11, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2004-03-09

Reporting Person: BIGLER JOSEPH A (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-03-09	Common Stock, no par value	A	1550	—	Acquired	39485	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2004-03-09	Incentive Stock Option	$25.065	A	3989	Acquired	2014-03-09	Common Stock, no par value (3989)	Direct
2004-03-09	Non-statutory Stock Option	$25.065	A	9630	Acquired	2014-03-09	Common Stock, no par value (9630)	Direct

Footnotes

F1: The number of shares reported herein are after giving effect to a 3-for-1 common stock split payable January 28, 2004.