X0306 4 2014-02-26 0000066570 MINE SAFETY APPLIANCES CO MSA 0001187321 BIGLER JOSEPH A 1000 CRANBERRY WOODS DRIVE CRANBERRY WOODS TOWNSHIP PA 16066 1 Vice President Common Stock, no par value 2014-02-26 4 M 0 11775.0000 17.8300 A 48895.0000 D Common Stock, no par value 2014-02-26 4 A 0 6581.0000 0.0000 A 55476.0000 D Common Stock, no par value 2014-02-26 4 M 0 2804.0000 17.8300 A 58280.0000 D Common Stock, no par value 2014-02-26 4 F 0 1043.0000 51.6900 D 57237.0000 D Common Stock, no par value 2014-02-26 4 F 0 1563.0000 51.6900 D 55674.0000 D Common Stock, no par value 2014-02-26 4 S 0 3403.0000 52.1030 D 52271.0000 D Common Stock, no par value 2014-02-27 4 S 0 901.0000 52.1000 D 51370.0000 D Common Stock, no par value 2014-02-28 4 S 0 7471.0000 52.0590 D 43899.0000 D Common Stock, no par value 2014-02-27 4 S 0 461.0000 52.0000 D 815.0000 I By Wife Incentive Stock Option 17.8300 2014-02-26 4 M 0 2804.0000 17.8300 D 2012-02-23 2019-02-23 Common Stock, no par value 2804.0000 2804.0000 D Incentive Stock Option 51.6900 2014-02-26 4 A 0 1934.0000 51.6900 A 2017-02-26 2024-02-26 Common Stock, no par value 1934.0000 1934.0000 D Non-statutory Stock Option 17.8300 2014-02-26 4 M 0 11775.0000 17.8300 D 2012-02-23 2019-02-23 Common Stock, no par value 11775.0000 11772.0000 D Non-statutory Stock Option 51.6900 2014-02-26 4 A 0 8231.0000 51.6900 A 2017-02-26 2024-02-26 Common Stock, no par value 8231.0000 8231.0000 D Share price on this transaction ranged from $52.10 to $52.15. Share price on this transaction ranged from $52.00 - $52.15. These shares are being reported due to the marriage of the owner of the shares to the reporting person. Douglas K. McClaine, Attorney in Fact 2014-02-28