Martin Marietta closes $13.5B Lhoist North America acquisition; adds director

MARTIN MARIETTA MATERIALS INC

• Completed LNA acquisition Aug 21, 2026 for ~$7B cash plus 10,953,543 shares valued at $6.5B (total ~$13.5B).
• Board expanded to 11; Philipp Niemann, CEO of Lhoist S.A., appointed director effective Aug 21, 2026.
• LNA Holding lock-up: 50% of shares released at 12 months, 50% at 24 months; standstill caps ownership at 18%.
• LNA adds >2 billion tons of high-quality limestone reserves; Martin Marietta now leading U.S. limestone producer.
• Company to provide updated FY2026 revenue and Adjusted EBITDA guidance with Q3 results.