Martin Marietta Announces Chief Financial Officer Transition

RALEIGH, N.C.–(BUSINESS WIRE)–Martin Marietta Materials, Inc. (NYSE: MLM) announced today that Anne H.
Lloyd will retire as Executive Vice President and Chief Financial
Officer of the company, effective mid-August, 2017. Ms. Lloyd will
remain with the company through September to ensure a smooth transition.

The Board of Directors has identified James A. J. Nickolas as Ms.
Lloyd’s successor, effective in mid-August. He will serve as Senior Vice
President and Chief Financial Officer and will report to C. Howard
(Ward) Nye, Chairman, President and CEO. Mr. Nickolas most recently led
the Corporate Development group at Caterpillar Inc., and previously
served as Group Chief Financial Officer of the Resources Industries
segment and the Global Mining division of Caterpillar.

Mr. Nye stated, “For the last twelve years, Anne has played an integral
role in helping Martin Marietta deliver exceptional returns to our
shareholders as we executed our strategic plan. She has been
instrumental in managing the company’s balance sheet in a manner that
allowed us to sensibly and successfully pursue value-enhancing organic
and external growth opportunities. We deeply appreciate Anne’s
innumerable contributions to the company, including the key role she has
played in positioning Martin Marietta for continued growth and value
creation. On behalf of the Board of Directors, management team and all
employees, I wish her all the best and thank her for her commitment to
working closely with Jim to achieve a seamless transition.”

Ms. Lloyd, 56, joined Martin Marietta in 1998 as Vice President and
Controller. She was named Chief Accounting Officer in 1999 and was
promoted to CFO in 2005. She was named Executive Vice President in 2009.
As CFO, she has led the financial areas of Martin Marietta, including
financial reporting, accounting, internal audit, investor relations, tax
and treasury.

Mr. Nye continued, “We are excited about Jim joining Martin Marietta. He
brings valuable expertise to the already strong senior leadership team,
including deep knowledge of financial management, mining and materials,
and M&A execution and integration. We look forward to working closely
with him to leverage his energy and talents to further enhance our
performance and extend our track-record of superior shareholder value
creation.”

About James A. J. Nickolas

Mr. Nickolas, 46, has held finance, accounting, tax and M&A leadership
roles for more than fifteen years. He will join Martin Marietta from
Caterpillar Inc., the world’s leading manufacturer of construction and
mining equipment, diesel and natural gas engines, industrial gas
turbines and diesel-electric locomotives, where he currently serves as
the head of Corporate Development. Previously, as Group Chief Financial
Officer of Caterpillar’s Resources Industries segment, which had group
revenues of $6 billion focused on the manufacture and sale of mining
equipment, Mr. Nickolas was responsible for financial planning and
reporting, internal controls, compliance and M&A activity. Prior to
that, he served as Group Chief Financial Officer of Caterpillar’s Global
Mining business unit, where he also managed the internal audit and
treasury functions. Before joining Caterpillar in 2008, Mr. Nickolas was
Executive Director at J.P. Morgan Securities Inc., where he worked on
originating and executing debt and equity capital raising and mergers
and acquisitions. Mr. Nickolas began his professional career as a
Certified Public Accountant at Coopers & Lybrand where he was a senior
tax associate. He holds a BS degree in Accounting from the University of
Illinois at Urbana-Champaign and both an MBA in Finance and a JD degree
from the University of Chicago.

About Martin Marietta

Martin Marietta is an American-based company and a leading supplier of
building materials, including cement, ready mixed concrete and asphalt.
Through a network of operations spanning 29 states, Canada, The Bahamas,
and the Caribbean Islands, dedicated Martin Marietta teams supply the
resources necessary for building the solid foundations on which our
communities thrive. Martin Marietta’s Magnesia Specialties business
provides a full range of magnesium oxide, magnesium hydroxide and
dolomitic lime products. For more information, visit www.martinmarietta.com or www.magnesiaspecialties.com.

Contacts

Investor:
Martin Marietta Materials, Inc.
Dana Guzzo,
919-783-4540
Senior Vice President and CAO
[email protected]