As previously reported in a Form 8-K filed on April 14, 2011, Ronald N. Herring, Jr. was appointed to serve as a President, MSA International, with business leadership responsibilities for Europe, North Africa, the Middle East, India and Russia.

In connection with his appointment, effective November 1, 2011, Mr. Herring’s annual base salary will be increased to $310,000; his applicable percentage of “salary grade midpoint” used to calculate his target annual cash bonus award under MSA’s Non-CEO Executive Incentive Plan (as described in MSA’s most recent proxy statement) will be increased from 45% to 50%; and his “stock multiplier” used to calculate his long term stock incentive awards under MSA’s 2008 Management Equity Incentive Plan (as described in MSA’s most recent proxy statement) will be increased from 75% to 95%.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, MSA has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: August 30, 2011