Minerals Technologies Inc.

Ms. Paula H. Cholmondeley is Chief Executive Officer of The Sorrel Group, a management consulting company. She was formerly Vice President and General Manager of Specialty Products for Sappi Fine Paper, the world's leading producer of coated free sheet papers. Ms. Cholmondeley, who is a certified public accountant, earned her Bachelors degree from Howard University and her Master of Science degree in accounting from the Wharton School of the University of Pennsylvania. She serves on the Boards of Tenex, Dentsply, Minerals Technologies and Ultralife Batteries.

Joseph C. Muscari is Chairman of the Board and Chief Executive Officer of Minerals Technologies Inc. (MTI). The Board of Directors elected him to this position in 2007. Before joining MTI, Mr. Muscari was Executive Vice President and Chief Financial Officer of Alcoa Inc. from 2005 to 2007; Group President—Rigid Packaging, Foil & Asia from 2004 to 2005; Executive Vice President and Group President, Asia & Latin America from 2001 to 2004; and Vice President Environment, Health, Safety, Audit and Compliance from 1997 to 2001 of Alcoa Inc. He was also a Director of Aluminum Corporation of China Limited since June 2002. Mr. Muscari has served as Director of Minerals Technologies Inc. since January 2005.

John A. Sorel is Senior Vice President-Finance and Chief Financial Officer for Minerals Technologies Inc. (MTI) Mr. Sorel joined the Minerals, Pigments and Metals Division of Pfizer Inc in 1973 as Assistant Controller at its Adams, Massachusetts, lime, limestone, and precipitated calcium carbonate (PCC) manufacturing facility. Between 1977 and 1982, he was Controller for the Lucerne Valley and Victorville, California, limestone and talc processing operations. He moved to the New York Headquarters and was named Controller, Minerals Division, in 1982, a position he held until 1989. Mr. Sorel assumed positions of increasing responsibility at both Pfizer and MTI after the latter company became independent from Pfizer in 1992. These positions include: Director of Finance and Business Development; Vice President, Minerals-International Operations; Vice President and General Manager-Satellite PCC; and Vice President and Managing Director-Paper PCC. In January 2002, he was named Senior Vice President, Corporate Development and Finance, and in November 2002 was appointed Senior Vice President-Finance, Chief Financial Officer and Treasurer.He relinquished the position of Treasurer in 2004. Mr. Sorel is a member of the MTI Corporate Management Committee.

D. Randy Harrison is Senior Vice President, Organization and Human Development. Mr. Harrison joined the Company in March 1987 as a Market Development Manager. In July 1990, he was promoted to National Sales Manager, Paper PCC. In 1994, Mr. Harrison was promoted to Director of Sales, Paper PCC, and in 1997 promoted to Director of Sales & Marketing, Paper PCC. He was named Vice President, Marketing, in 1999 and promoted to Vice President and Managing Director of Specialty Minerals, PCC in 2001. January of 2002 through December 2007, Mr. Harrison was Vice President and Managing Director, Performance Minerals, and became an Officer of the Company and a member of the MTI Leadership Team. Mr. Harrison holds B.S. degrees in Biology and Chemistry from Olgethorpecom University, graduating magna cum laude in 1976; he attended Penn State University, where he received a Masters in Chemistry. Before joining the Company, he worked for American Cyanamid Company from 1978 to 1987. He is a member of the Paper Industry Management Association and Technical Association of the Pulp and Paper Industry organizations.

William J.S. Wilkins was elected Senior Vice President and Managing Director, Minteq International in November 2007. He joined the Company in June 2007 as Vice President, Global Supply Chain and Logistics. Prior to that he had founded Management Services, a consulting firm. Before starting his consultancy, he was President and Chief Executive Officer of Sermatech International Inc.; Vice President and Chief Financial Officer of the Teleflex Aerospace Group; and head of finance and administration at Howmet Castings, a business unit of Alcoa, which he joined in 1994.

Doug Mayger was elected Vice President and Managing Director, Performance Minerals which encompasses the Processed Minerals product line and the Specialty PCC product line, effective October 1, 2008. Prior to that he was General Manager- Carbonates West, Performance Minerals and Business Manager - Western Region. Prior to joining the Company as plant manager in Lucerne Valley in 2002, he served as Vice President of Operations for Aggregate Industries.

Alain F. Bouruet-Aubertot is Senior Vice President and Managing Director, Minteq International Inc., a wholly owned subsidiary of Minerals Technologies Inc. Mr. Bouruet-Aubertot joined MTI in 2002. Prior to coming to MTI, Mr. Bouruet-Aubertot joined Rhone Poulenc S.A., Chemical Division, in 1983 as Purchasing Manager and held various positions of increasing responsibility including Process Development Manager; Product Development Manager; Manager, Strategic Planning; Vice President, Manufacturing; and Business Director. He left in 1994 to join Lafarge S.A. as Senior Vice President, Strategy & Development. Mr. Bouruet-Aubertot was promoted to President, Gypsum Division, and Corporate Senior Vice President of Lafarge North America in 1996 and remained in that role until he left in 2002 to join MTI. He is a member of the MTI Management Committee. He is a 1980 graduate of Ecole Nationale Superieure de Chimie de Paris (ENSCP), France, with a degree in Chemical Engineering. In 1982 Mr. Bouruet-Aubertot graduated from Ecole Nationale Superieure du Petrole et des Moteurs (ENSPM) in Paris with a graduate degree in Petroleum Economics. Mr. Bouruet-Aubertot graduated from the Harvard Business School, Executive Program on emerging markets in Asia, in 1995.

Retired in January 2002 as President and Chief Operating Officer of Bethlehem Steel Corporation. Chairman and Chief Executive Officer of Bethlehem Steel from April 2000 to September 2001. President and Chief Operating Officer from 1999 to April 2000 and President of the Sparrows Point division from 1993 to 1999. Director of Bethlehem Steel Corporation from 1999 to 2001. Director of Minerals Technologies Inc. since October 2002 and current member of the Compensation Committee and of the Corporate Governance & Nominating Committee.