DIRECTORS AND CORPORATE OFFICERS Board of Directors Section 302 Certi fi cations and NYSE CEO Certi fi cation Shareholders’ Inquiries Organization Additional copies of the company’s 2011 Annual Report, including  Form 10-K, as filed with the Securities and Exchange Commission,  may be obtained by shareholders after April 2, 2012. Printed and  electronic versions are available. Requests should be directed to the  Chief Financial O ffi cer, who can be reached at one of the following: In June 2011, the Company’s Chief Executive O ffi cer submitted to the  New York Stock Exchange the annual certification as to compliance  with the Exchange’s Corporate Governance Listing Standards required  by Section 303A.12(a) of the Exchange’s Listed Company Manual. The  certification was unqualified.  O ffi cers Continuing to add depth to its executive management team, in 2011 MSA named Dr. Thomas Muschter Vice President of Global Product Leadership. With almost 20 years of R&D experience with MSA, Dr. Muschter is responsible for further  enhancing the Company’s new product development results,  improving global coordination of new product development activities and advancing the Company’s global marketing initiatives. Dr. Muschter succeeds Ronald N. Herring, Jr., who, as of November 1, assumed the role of President of MSA Europe,  Russia, Middle East, and India. The Company’s reports filed with the Securities and Exchange  Commission during the past year, including the Annual Report on  Form 10-K for the year ended December 31, 2011, have contained  the certifications of the Company’s Chief Executive O ffi cer and Chief  Financial O ffi cer regarding the quality of the Company’s public  disclosure required by Section 302 of the Sarbanes-Oxley Act. (1) Member of Audit Committee (2) Member of Compensation Committee (3) Member of Executive Committee (4) Member of Finance Committee (5) Member of Nominating and Corporate Governance Committee John T. Ryan III  (3) (4) Chairman of the Board; Retired (2008); formerly Chief Executive O ffi cer of the Company Robert A. Bruggeworth  (1) (2)  President and Chief Executive O ffi cer, RF Micro Devices, Inc. (high-performance RF components and compound semiconductors  manufacturer); Director, RF Micro Devices, Inc. James A. Cederna  (1) (4) (5) Owner and President, Cederna International, Inc. (executive coaching) Thomas B. Hotopp  (2) (5) Retired (2003); formerly President of the Company William M. Lambert  (3) President and Chief Executive O ffi cer of the Company Paul R. Uhler  Vice President, Global Human Resources Diane M. Pearse (1) (4) Senior Vice President, Operations and Merchandising, Redbox Automated Retail, LLC (a fully automated DVD rental company)  L. Edward Shaw, Jr.  (4) (5)  Retired (2010); formerly Senior Managing Director, Breeden Capital  Management LLC (investment management and multi-disciplinary  professional services firm), Director and Chairman of the Compensation  Committee of HealthSouth Corporation John C. Unkovic  (2) (5) Partner and General Counsel, Reed Smith LLP (full service law firm) Thomas H. Witmer  (1) (2) (3)  Retired (1998); formerly President and Chief Executive O ffi cer, Medrad, Inc. (manufacturer of medical devices)  Markus H. Weber  Vice President; Chief Information O ffi cer William M. Lambert  President and Chief Executive O ffi cer Dennis L. Zeitler Senior Vice President; Chief Financial O ffi cer and Treasurer Joseph A. Bigler Vice President; President, MSA North America  Kerry M. Bove  Vice President; President, MSA Asia, Australia, Africa, and Latin America Ronald N. Herring, Jr.  Vice President; President, MSA Europe, Russia, Middle East, and India Douglas K. McClaine  Vice President; Secretary and General Counsel Dr. Thomas Muschter  Vice President, Global Product Leadership  Phone:  724-741-8221 Fax:  866-538-7488 Internet:  www.MSAsafety.com U.S. Mail:  MSA  Chief Financial O ffi cer 1000 Cranberry Woods Drive Cranberry Township, PA 16066