MSA Safety Inc — Director's Dealing 2012

Dec 7, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2012-12-05

Reporting Person: WITMER THOMAS H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-12-05	Common Stock, no par value	M	5238.0000	$12.3754	Acquired	39379.0000	Direct
2012-12-05	Common Stock, no par value	M	1529.0000	$28.0600	Acquired	40908.0000	Direct
2012-12-05	Common Stock, no par value	F	2775.0000	$38.8300	Disposed	38133.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-12-05	Non-statutory Stock Option	$28.0600	M	1529.0000	Disposed	2014-05-04	Common Stock, no par value (1529.0000)	Direct
2012-12-05	Non-statutory Stock Option	$12.3754	M	5238.0000	Disposed	2013-05-13	Common Stock, no par value (5238.0000)	Direct