Page 21 - Proxy Statement - 2020

Proposal 1

Election of Directors

The following sets forth the age, experience, key attributes and other biographical information for each nominee for election as a
director for a one-year term until 2021.

Ms. Ables joined the Martin Marietta Board in November 2018. Key attributes,
Ms. Ables held a number of executive positions with Spectra Energy experience and skills:
and predecessor companies, including serving from 2008 to 2017 as • More than 8 years of
the Chief Administrative Officer of Spectra Energy Corp., a North C-Suite experience
American energy infrastructure company, where she was responsible
for human resources, information technology, support services, • Financial expertise acquired
community relations and audit services. Prior to that, she served as through serving as CFO of
Vice President of Audit Services and Chief Ethics and Compliance Duke Energy Gas
Officer for Spectra Energy, Vice President and Chief Compliance Transmission and as Vice
Officer for Duke Energy Corporation, an American electric power President of Audit Services
holding company, and Senior Vice President and Chief Financial and Chief Compliance
Officer for Duke Energy Gas Transmission. Spectra Energy was a Officer of Spectra Energy
/DOROTHY M. Corp. and Duke Energy
ABLES Fortune 500 Company and one of North America’s leading pipeline
and midstream companies prior to its acquisition by Enbridge Inc. in Corporation
Director Since: 2018 2017. Ms. Ables started her career in the audit department of Peat, • Valuable business leadership
Marwick, Mitchell & Co. in human resources,
Age: 62
information technology,
Committees: Ms. Ables serves as an Independent Director of Cabot Oil & Gas community relations,
Corporation, an independent oil and gas company, where she is finance and financial
Chair of the audit committee and a member of the compensation statements
committee. She served as a Director of Spectra Energy Partners, an
affiliate of Spectra Energy Corp., from 2013 to 2017. Ms. Ables • Strong leadership skills and
attended the University of Texas at Austin where she earned a familiarity with Texas, an
Bachelor of Business Administration degree in Accounting. important state for the
Company

Ms. Cole is the managing partner of SAGE Leadership & Strategy, Key attributes,
LLC, an advisory firm for businesses, organizations and individuals experience and skills:
relating to strategy, governance and leadership development. • Valuable experience in
Ms. Cole was previously a principal of Granville Capital Inc., a executive compensation,
registered investment advisory firm, from 2006 to 2011, and before corporate governance,
that she was the Regional CEO, Mid-Atlantic Region, of U.S. Trust human resources, finance
Company, N.A., where she was responsible for the overall strategic and financial statements,
direction, growth, and leadership of its North Carolina, Philadelphia and customer service
and Washington, D.C. offices. Ms. Cole previously held various
positions in the U.S. Trust Company, N.A. and its predecessors. • Chief executive officer of
Ms. Cole serves as Chair of the compensation committee of several financial services
Biscuitville, Inc., where she was previously Chairman of the Board. businesses as well as several
/SUE W. COLE non-profit organizations
Ms. Cole has previously served on the public-company board of
Director Since: 2002 UNIFI, Inc. She has also been active in community and charitable • Strong leadership skills and
organizations, including previously serving as Chairman of the North familiarity with North
Age: 69
Carolina Chamber of Commerce, on the investment committee of Carolina, an important state
Committees: the University of North Carolina at Greensboro and as a member on for the Company
the North Carolina Economic Development Board. Ms. Cole attended
the University of North Carolina at Greensboro where she earned a
Bachelor of Science degree in Business Administration and a Masters
in Business Administration in Finance.

Audit Ethics, Environment, Safety Executive Finance Management Development Nominating and Corporate
Committee and Health Committee Committee Committee and Compensation Committee Governance Committee

2020 PROXY STATEMENT 17