RALEIGH, N.C., April 16, 2026 (GLOBE NEWSWIRE) -- Martin Marietta Materials, Inc. (NYSE: MLM) (Martin Marietta or the Company) will host its first-quarter 2026 earnings call on Thursday, April 30, 2026, at 10:00 a.m. Eastern Time. The Company will release results for the quarter ended March 31, 2026, that morning before the market opens.

A live, listen-only webcast and supplemental information will be accessible on the Investors section of the Company’s website at www.martinmarietta.com. The conference call may also be accessed by dialing +1 (646) 307-1963 and using conference ID 6288728. Please dial in at least 15 minutes in advance to ensure a timely connection. An on-demand replay will be available on the Company’s website approximately two hours following the conclusion of the live broadcast and will be available for one year.

Martin Marietta, a member of the S&P 500 Index, is an American-based company and a leading supplier of aggregates and other building materials. Through a network of operations spanning 28 states, Canada and The Bahamas, dedicated Martin Marietta teams supply the resources necessary for building the solid foundations on which our communities thrive. Martin Marietta’s Specialties business provides high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and other specialty applications. For more information, visit www.martinmarietta.com or www.magnesiaspecialties.com.

Investor Contact:
Jacklyn Rooker
Vice President, Investor Relations
+1 (919) 510-4736
Jacklyn.Rooker@martinmarietta.com

MLM-E.