The acquisition transforms MLM into the leading US lime producer with strong strategic rationale and expected accretion. Monitor regulatory approval process and integration execution; near-term leverage increase may pressure the stock, but synergy realization supports long-term value. Listen to the investor call for more detail on financing and integration timeline.
Price Chart
Executive Summary
Martin Marietta agreed to acquire Lhoist North America for $13.5B in cash and stock, creating the largest US lime and limestone franchise. The deal is expected to be accretive to earnings and margins in the first year, with $85M in annual cost synergies, but will increase leverage to ~3.7x Net Debt/EBITDA at closing.
Key Financial Metrics
Key Facts
- Enterprise value of $13.5 billion, implying ~15x LNA's 2025 Adjusted EBITDA including synergies.
- Consideration: $7.0B cash + $6.5B in MLM stock; Berghmans family to own ~15% of MLM post-close.
- LNA generated $1.8B gross sales and $786M Adjusted EBITDA for TTM ended Dec 31, 2025.
- Expected annual run-rate cost synergies of approximately $85 million.
- Combined Net Leverage expected ~3.7x at closing, targeting below 2.5x within 24 months.
- Transaction expected to close in H2 2026, subject to regulatory approvals.
- LNA operates 20 quarries, 45 distribution terminals, and has over 2 billion tons of limestone reserves (>200 years life).
Financial Impact
$13.5B enterprise value; $7.0B cash + $6.5B stock; $85M annual synergies; accretion to EPS and margins in year one.
Risk Factors
- Regulatory approval delays or conditions could derail or alter the deal.
- Integration challenges may limit synergy realization.
- Higher leverage (3.7x) increases financial risk; failure to de-lever quickly could pressure credit ratings.
- Potential shareholder dilution from stock consideration (15% ownership to sellers).
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 press release from GlobeNewswire.
| Document | Accession Number |
|---|---|
| PRESS-RELEASE Data (Synthetic) | press-3318855 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 24, 2026 5w ago | 8-K | $533.11 $499.67 | ▼ −6.27% | ▼ −6.29% | $483.99 (−9.21%) |
Aug 18, 2026 6w ago | 8-K | $535.53 $494.44 | ▼ −7.67% | ▼ −5.72% | $483.99 (−9.62%) |
Aug 14, 2026 6w ago | 8-K | $538.66 $506.81 | ▼ −5.91% | ▼ −3.94% | $483.99 (−10.15%) |
Aug 12, 2026 7w ago | 8-K | $544.76 $509.96 | ▼ −6.39% | ▼ −4.64% | $483.99 (−11.16%) |
Aug 10, 2026 7w ago | 424B5 | $549.54 $511.98 | ▼ −6.83% | ▼ −5.92% | $483.99 (−11.93%) |
Aug 10, 2026 7w ago | 8-K | $549.54 $511.98 | ▼ −6.83% | ▼ −5.92% | $483.99 (−11.93%) |
Aug 5, 2026 8w ago | 8-K | $538.28 $508.94 | ▼ −5.45% | ▼ −6.05% | $483.99 (−10.09%) |
Jul 30, 2026 9w ago | 8-K | $540.00 $528.59 | ▼ −2.11% | ▼ −6.08% | $483.99 (−10.37%) |
Jul 30, 2026 9w ago | Press Release | $540.00 $528.59 | ▼ −2.11% | ▼ −6.08% | $483.99 (−10.37%) |
Jul 9, 2026 12w ago | Press Release | $577.72 $548.57 | ▲ +5.05% | ▲ +7.47% | $483.99 (+16.22%) |
US Market Status
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