Martin Marietta Replaces Revolver with $1.5B Facility, Adds Lhoist Covenant Relief
MLM is trading near its 52-week low of $522.19 (0.5% above the low).
Summary
Martin Marietta replaced its existing revolver with a new $1.5 billion five-year facility, including covenant relief tied to the Lhoist acquisition.
Key Events · Financing and Capital Events · MLM
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New $1.5B Revolver
Entered into a $1.5 billion five-year senior unsecured revolving facility with JPMorgan Chase as administrative agent, replacing the existing $800 million revolver.
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Leverage Covenant Step-Up
Leverage ratio covenant allows up to 4.75:1.00 for the first three fiscal quarters after the Lhoist acquisition closes, then 4.25:1.00 for the next three quarters, and 3.75:1.00 thereafter.
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Optional Increase
The facility includes an option to increase commitments by up to $750 million, subject to lender consent.
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Letter of Credit Sublimit
Includes a $50 million letter of credit sublimit as part of the revolving facility.
Analysis · MLM · Energy & Transportation
A new $1.5 billion five-year revolving credit facility replaces the existing $800 million revolver, providing covenant flexibility for the pending $13.5 billion Lhoist North America acquisition. The leverage ratio can reach 4.75:1.00 for the first three quarters after closing, stepping down to 3.75:1.00 thereafter. This routine but important financing step supports the acquisition and provides liquidity headroom.
How filings like this one have moved
In the 30 days to Aug 22, 2026, 29.1% of the 2960 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.01%. These are measured outcomes after filings of this importance, not a forecast for this one.
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At the time of this filing, MLM was trading at $524.63 on NYSE in the Energy & Transportation sector, with a market capitalization of approximately $31.4B. The 52-week trading range was $522.19 to $710.97. This filing was assessed with neutral market sentiment and an importance score of 7 out of 10.