Martin Marietta to Acquire Lhoist North America for $13.5 Billion, Expanding Lime & Industrial Minerals Leadership

summarizeSummary

Martin Marietta announced a $13.5 billion acquisition of Lhoist North America, a move that will make it the leading U.S. lime and limestone producer, funded by a mix of cash and stock.

check_boxKey Events · M&A and Partnerships · MLM

• Major Acquisition Announced

  Martin Marietta will acquire Lhoist North America for $13.5 billion, comprising $7.0 billion in cash and $6.5 billion in Martin Marietta common stock.

• Strategic Expansion

  The acquisition is expected to establish Martin Marietta as the leading national producer of lime and limestone solutions, significantly expanding its Specialties segment and reserve base.

• Financial Impact

  The transaction is anticipated to be accretive to earnings and margins in the first year, with $85 million in annual run-rate cost synergies.

• Leverage and Ownership

  Pro forma net leverage is expected to be 3.7x at closing, with a target to reduce it below 2.5x within 24 months. The seller (Berghmans family) will own approximately 15% of Martin Marietta.

auto_awesomeAnalysis · MLM · Energy & Transportation

Martin Marietta Materials is making a transformational acquisition of Lhoist North America for $13.5 billion, a deal representing over a third of its current market capitalization. This strategic move aims to establish Martin Marietta as the leading national producer of lime and limestone solutions, significantly expanding its Specialties segment and geographic footprint in high-growth regions. The transaction, funded by $7.0 billion in cash and $6.5 billion in stock, is expected to be accretive to earnings and margins in the first year, with $85 million in annual cost synergies. While it will increase the company's leverage to 3.7x initially, management targets reducing this to below 2.5x within 24 months. The acquisition is subject to regulatory approvals and is expected to close in the second half of 2026.