Martin Marietta Materials, Inc. entered into a new $1.5 billion five-year senior unsecured revolving credit facility with JPMorgan Chase Bank, N.A., effective August 18, 2026. This agreement replaces the existing credit arrangement dated December 21, 2021, which had no outstanding borrowings at the time of replacement. The new facility expires on August 18, 2031, and allows borrowings to bear interest based on Term SOFR or a base rate plus a ratings-based margin. The agreement imposes a maximum leverage ratio requirement of 3.75:1.00, with temporary increases permitted following the acquisition of Lhoist North America, Inc., allowing up to 4.75:1.00 for the first three fiscal quarters post-acquisition. Martin Marietta Materials, Inc. operates in the construction materials industry, producing aggregates and ready-mixed concrete.

On August 14, 2026, Martin Marietta Materials, Inc. issued $5.5 billion in aggregate principal amount of senior unsecured notes to fund the cash consideration for its previously announced acquisition of Lhoist North America, Inc., alongside borrowings under a $1.5 billion term loan facility. The issuance includes $750 million of 4.850% Notes due 2029, $1.25 billion of 5.200% Notes due 2032, $1.0 billion of 5.400% Notes due 2034, $1.5 billion of 5.625% Notes due 2036, and $1.0 billion of 6.375% Notes due 2056. Interest is payable semiannually, with closing expected in the third quarter of 2026. The company operates in the construction materials industry, producing aggregates, asphalt, concrete, and ready-mix products.

Martin Marietta Materials, Inc. announced the pricing of a $5.5 billion aggregate principal amount senior notes offering on August 12, 2026. The issuance includes $750 million of 4.850% Notes due 2029, $1.25 billion of 5.200% Notes due 2032, $1 billion of 5.400% Notes due 2034, $1.5 billion of 5.625% Notes due 2036, and $1 billion of 6.375% Notes due 2056. Proceeds will fund the cash consideration for the acquisition of Lhoist North America, Inc., alongside a $1.5 billion term loan facility. Closing is expected in the third quarter of 2026. Martin Marietta Materials operates as a leading supplier of aggregates and building materials.

Martin Marietta Materials, Inc. announced that it has received all necessary regulatory approvals for its acquisition of Lhoist North America, Inc., a transaction originally agreed upon on June 27, 2026. The company expects the deal to close in the third quarter of 2026. This filing includes audited consolidated financial statements for LNA for the years ended December 31, 2025 and 2024, unaudited condensed financials for the six months ended June 30, 2026, and pro forma combined financial statements. Martin Marietta Materials, Inc. operates in the construction materials industry, producing aggregates, asphalt, cement, and specialty building products.

Martin Marietta Materials, Inc. announced on August 5, 2026, that it has received all necessary regulatory approvals for its acquisition of Lhoist North America, Inc. The transaction, initially agreed upon in June 2026, involves a purchase price of $13.5 billion paid in cash and Martin Marietta common stock. With regulatory hurdles cleared, the company expects to close the deal in the third quarter of 2026, subject to customary closing conditions. Upon completion, Martin Marietta will become the nation’s leading producer of lime and limestone solutions, expanding its portfolio beyond aggregates into industrial minerals. The company operates as a leading supplier of aggregates and building materials across North America.

Martin Marietta Materials, Inc. announced the promotion of Michael J. Petro to Executive Vice President and Chief Financial Officer effective August 4, 2026. The appointment is accompanied by a new employment agreement detailing a $750,000 base salary, a target annual incentive award equal to 100% of base salary, and a target long-term incentive award of 260% of base salary. Petro will receive a one-time restricted stock unit grant valued at $5,000,000, vesting ratably over three years. The agreement includes severance provisions equal to three times the sum of base salary and target bonus in the event of termination without cause or for good reason, along with a three-year post-termination restrictive covenant. An amended employment protection agreement provides change-of-control severance benefits equal to three times annual compensation. Martin Marietta Materials operates in the construction materials industry, producing aggregates, asphalt, ready-mix concrete, and cement.