MSA Safety Inc — Director's Dealing 2012

Feb 24, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2012-02-22

Reporting Person: MCCLAINE DOUGLAS K (Vice President/Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-02-22	Common stock, no par value	M	8378	$10.653	Acquired	26595	Direct
2012-02-22	Common stock, no par value	M	5943	$10.653	Acquired	32538	Direct
2012-02-22	Common stock, no par value	S	5943	$36.9262	Disposed	26595	Direct
2012-02-23	Common stock, no par value	S	2640	$37.5054	Disposed	23955	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-22	Incentive Stock Option	$10.653	M	8378	Disposed	2013-03-12	Common stock, no par value (8378)	Direct
2012-02-22	Non-statutory Stock Option	$10.653	M	5943	Disposed	2013-03-12	Common stock, no par value (5943)	Direct

Footnotes

F1: Share price on this transaction ranged from $36.8910 to $37.0030

F2: Share price on this transaction ranged from $37.4740 to $37.5530