Stephen P. Zelnak

STEPHEN P. ZELNAK, JR. is Chairman of the Board of Directors and CEO of
Martin Marietta Materials, Inc. Mr. Zelnak joined the Martin Marietta
Corporation in 1981 as Vice President, Planning and Business Development
for the Aggregates Operation. He was appointed President of Martin
Marietta Aggregates in 1982, elected an Officer of the corporation in
1989, and promoted to President, Materials Group in 1991. In 1994 Martin
Marietta Materials, Inc. became a publicly traded corporation listed on
the New York Stock Exchange, with Mr. Zelnak as President and CEO. Mr.
Zelnak was elected Chairman of the Board of Directors in 1997. He
received his BS in Industrial Management from Georgia Tech and holds MS
degrees in Administrative Science and Business Administration from the
University of Alabama.