MSA Safety Inc — Director's Dealing 2012

Nov 6, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MINE SAFETY APPLIANCES CO (MSA)
CIK: 0000066570
Period of Report: 2012-11-02

Reporting Person: BIGLER JOSEPH A (Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-02	Common Stock, no par value	M	2989.0000	$25.0650	Acquired	41231.0000	Direct
2012-11-02	Common Stock, no par value	F	1953.0000	$39.2800	Disposed	39278.0000	Direct
2012-11-05	Common Stock, no par value	M	9630.0000	$25.0650	Acquired	48908.0000	Direct
2012-11-05	Common Stock, no par value	S	6675.0000	$39.1922	Disposed	42233.0000	Direct
2012-11-06	Common Stock, no par value	S	2955.0000	$39.2680	Disposed	39278.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-02	Incentive Stock Option	$25.0650	M	2989.0000	Disposed	2014-03-09	Common Stock, no par value (2989.0000)	Direct
2012-11-05	Non-statutory Stock Option	$25.0650	M	9630.0000	Disposed	2014-03-09	Common Stock, no par value (9630.0000)	Direct

Footnotes

F1: Share price on this transaction ranged from $39.00 to $39.31.

F2: Share price on this transaction ranged from $39.00 to $39.5203.