Martin Marietta Materials Inc.

Stephen P. Zelnak, Jr. has served as CEO of Martin Marietta Materials since 1993. In 1997, the Board of Directors elected Mr. Zelnak Chairman of the Board. He is also Chair of the Executive Committee of the Board of Directors. Mr. Zelnak joined Martin Marietta Corporation in 1981 and has been responsible for the Aggregates operations since 1982. He served as president of the Materials group from 1992 until the formation of Martin Marietta Materials in 1993. Mr. Zelnak received a bachelor's degree from the Georgia Institute of Technology and master's degrees in Administrative Science and Business Administration from the University of Alabama system. Active in a number of civic, education and business groups, Mr. Zelnak has served as chairman of the North Carolina Citizens for Business and Industry, North Carolina Community College Foundation, National Stone, Sand and Gravel Association, Peace College Board of Trustees, North Carolina Foundation For Research And Economic Education (NCFREE), North Carolina Aggregates Association and the NC State Physical and Mathematical Sciences Foundation. He currently serves on the Advisory Board of the College of Management and the Board of Visitors at NC State University, the President's Advisory Board at Georgia Tech and the Georgia Tech Foundation Board. Mr. Zelnak is also a Director of Beazer Homes USA, Inc., a leading national homebuilder.

Bruce A. Vaio is President of Martin Marietta Materials - West, headquartered in San Antonio, Texas, and is an Executive Vice President of the Corporation. Mr. Vaio was President and CEO of Redland Stone Products Company from 1996 to 1998, when Martin Marietta Materials purchased it and formed the Company's Southwest Division. After the Redland Stone purchase, Mr. Vaio served as President of Martin Marietta's Southwest Division from 1999 to 2006, until promoted to his current position. Before joining Redland Stone, he served two years, from 1994 to 1996, as vice president and regional manager of Western Mobile Inc. in Denver, Colorado. Mr. Vaio holds a Bachelor of Arts degree in Political Science from the University of Denver and a Master of Business Administration degree from the University of Phoenix.

Mr. Nye joined the Company in 2006 with nearly 20 years of aggregates experience. Immediately prior to joining Martin Marietta Materials, he was employed by Hanson Aggregates North America for nearly 13 years holding various positions of increasing responsibility, most recently Executive Vice President. Mr. Nye received a bachelor's degree from Duke University and a law degree from Wake Forest University. In addition to his educational and industry background, Mr. Nye has been active in a number of various business, civic, and educational organizations, including serving as a member of the Board of Directors for the National Stone, Sand & Gravel Association (NSSGA), the American Road & Transportation Builders Association (ARTBA) and Romeo Guest Associates, Inc. Mr. Nye has also been a member of the Wake Forest Law School Alumni Council as well as a former Gubernatorial appointee to the North Carolina Mining Commission.

Daniel G. (Dan) Shephard is an Executive Vice President of Martin Marietta Materials. His responsibilities include overseeing the aggregates operations of the Mideast Group and Magnesia Specialties. Mr. Shephard joined the Company in 1989 as a senior accountant. He later served as accounting director for the Aggregates division and as Vice President - Finance for Magnesia Specialties. He became Vice President and Assistant Treasurer of Martin Marietta Materials in 1996. In 2000 he was elected Treasurer and served in that capacity until 2002. In 1999 he was elected President of Magnesia Specialties and served in that capacity until September 2005. Mr. Shephard holds a Bachelor of Science degree in Accounting from Alfred University.

Anne H. Lloyd is Senior Vice President, Chief Financial Officer and Treasurer for Martin Marietta Materials. Ms. Lloyd has served as CFO since June 2005 and was elected Treasurer in March 2006. Ms. Lloyd joined the Company in 1998 as Vice President and Controller. She was promoted to Chief Accounting Officer in 1999. Before joining Martin Marietta Materials, she was with Ernst & Young, LLP, an international public accounting firm. Ms. Lloyd is a graduate of the University of North Carolina at Chapel Hill. She holds a Bachelor of Science degree in Business Administration and is a Certified Public Accountant. Ms. Lloyd is active in various business, education and civic organizations. She currently serves as Treasurer, member of the Executive Committee and Board Member of the National Stone Sand and Gravel Association (NSSGA). She also serves on the SAFETEA-LU Reauthorization Committee of the NSSGA and the Blue Ribbon Panel of Transportation Experts for the National Surface Transportation Policy and Revenue Study Commission. Ms. Lloyd is a Board Member of the North Carolina Chamber of Commerce and serves on its Finance and Audit Committee. She is also a Member of the NC Chamber Infrastructure and Economic Development Policy Committee. Ms. Lloyd is a Board Member of Terra Nitrogen Company, L.P. and serves as the chair of its Audit Committee.

As Vice President of Operations, Mr. Seamen oversees engineering, capital budget administration, fixed asset management, purchasing, maintenance services and underground mining services. Mr. Seamen joined the Company in 1976 and has held positions of increasing responsibility at operations across the United States. He came to Corporate Headquarters in 1997 to oversee operations services. Mr. Seamen received a Bachelor of Science degree in Civil Engineering from NC State University in 1975. Stock transaction information provided by Vickers Stock Research. Martin Marietta Materials makes no representation or warranty with respect to any of the information contained herein, takes no responsibility for supplementing, updating or correcting any such information and shall have no liability with respect to any such information. Furthermore, Martin Marietta Materials disclaims any liability to any person for any delays, inaccuracies, or errors or omissions in any such information or the transmission thereof, or for any actions taken by any person in reliance on such information or any damages arising from or occasioned by any use of such information. This listing does not include stock option grants. For all transactions in Martin Marietta Materials securities by directors and executive officers, see our Section 16 SEC filings page.

Philip J. (Phil) Sipling is an Executive Vice President of Martin Marietta Materials. His responsibilities include overseeing Procurement, Engineering, Capital Budgeting, Business Development and the Composites business. Mr. Sipling joined Martin Marietta Aggregates in 1985 as vice president of marketing. He assumed responsibility for part of the Aggregates operations in 1987, and in 1993 he was given responsibility for the Magnesia Specialties unit and elected senior vice president of the Corporation. A graduate of Juniata College in Pennsylvania, Mr. Sipling holds master's and doctorate degrees in geological science from Brown University. Mr. Sipling is a member of the board of the Independent College Fund of North Carolina, and previously served on the boards of Industrial Microwave Systems, Inc. and the National Asphalt Pavement Association.

Robert C. (Bob) Meskimen is a Senior Vice President of the Corporation. Mr. Meskimen joined the Company in 1972 as a sales trainee. After briefly leaving the Company to manage two asphalt companies, Mr. Meskimen returned to Martin Marietta Aggregates in 1980 as sales manager for the Iowa District. In 1988, he became general manager for the Des Moines area. He later served as president of the Northwest Division from 1997 to 2006. Mr. Meskimen holds a Bachelor of Science degree in Education from the University of Northern Iowa.

Roselyn R. Bar is Senior Vice President and General Counsel for Martin Marietta Materials. She is also Corporate Secretary. Ms. Bar joined the Company in 1994 as assistant general counsel and assistant corporate secretary. Before joining Martin Marietta Materials, she was corporate counsel at Sun America Inc. Prior to working for Sun America, she was a corporate lawyer at Skadden, Arps, Slate, Meagher and Flom in New York and Los Angeles. Ms. Bar holds a bachelor's degree from the University of Rochester and a law degree from the Brooklyn Law School. She is a member of the New York Bar, the California Bar and the Florida Bar.

Ms. Perez is the Managing Partner of The Medallion Company, LLC, an investment management company. She is also a member of the Board of Directors of Reliant Energy where she chairs the Audit Committee. Ms. Perez recently served as Vice Chairman of the Board of Regents at Baylor University.

Chairman, Board of Directors and Chief Executive Officer, Alpha Natural Resources, Inc. Mr. Quillen has served as Chief Executive Officer of Alpha Natural Resources, Inc., since 2004 and has served as Chairman of the Board since 2006. Alpha Natural Resources, Inc., is a leading supplier of high quality Appalachian coal to electric utilities, steel and coke producers, and industrial customers.

Mr. McDonald served as Senior Vice President, Customer Service Operations of Sprint Corporation until his retirement on October 13, 2000. He was previously President and Chief Executive Officer of Sprint Mid-Atlantic Operations from 1993 through 1997 and President and Chief Executive Officer for Sprint/United Telephone-Eastern from 1988 to 1993.