$MLM (MARTIN MARIETTA MATERIALS) — 8-K: Martin Marietta completes Lhoist North America deal, adding 2 billion+ tons of reserves

Martin Marietta Materials completed its combination with Lhoist North America on August 21, 2026. LNA produces high calcium lime, dolomitic lime and industrial mineral products serving steel, infrastructure, nonresidential construction and environmental end markets. The deal adds more than 2 billion tons of high-quality reserves and makes Martin Marietta the nation’s leading producer of limestone products. Updated full-year 2026 revenue and Adjusted EBITDA guidance will be provided with third-quarter results.

Martin Marietta Materials completed its combination with Lhoist North America on August 21, 2026. LNA produces high calcium lime, dolomitic lime and industrial mineral products serving steel, infrastructure, nonresidential construction and environmental end markets. The deal adds more than 2 billion tons of high-quality reserves and makes Martin Marietta the nation’s leading producer of limestone products. Updated full-year 2026 revenue and Adjusted EBITDA guidance will be provided with third-quarter results.