Results of Operations and Financial Condition On November 4, 2026, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended September 30, 2026. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Results of Operations and Financial Condition On July 29, 2026, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended June 30, 2026. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

The filing describes the approval of long-term incentive equity awards to a group of officers, including named executive officers.

Senior Vice President, Chief Accounting Officer and Controller — William R. Devlin: William R. Devlin is retiring and Samuel M. Guzman Jr. will succeed him.

Results of Operations and Financial Condition On May 19, 2026, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter and fiscal year ended March 31, 2026. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Results of Operations and Financial Condition On January 29, 2026, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended December 31, 2025. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Registrant. The information relating to the Indenture and the Notes set forth in

Entry into a Material Definitive Agreement Underwriting Agreement On November 6, 2025, Eagle Materials Inc. (the “Company”) entered into an Underwriting Agreement (the “Underwriting Agreement”) with J.P. Morgan Securities LLC, BofA Securities, Inc. and Wells Fargo Securities, LLC, as representatives of the several underwriters identified on Schedule 1 thereto (the “Underwriters”), with respect to the offer and sale in an underwritten public offering (the “Offering”) by the Company of $750.0 m…

Results of Operations and Financial Condition On October 30, 2025, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended September 30, 2025. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Director — Richard R. Stewart: The resignation is a routine departure of a director following the company's retirement policy, not a loss of a senior executive officer.

Results of Operations and Financial Condition On July 29, 2025, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended June 30, 2025. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

CEO — Michael R. Haack: The filing discloses the approval of annual long-term incentive equity awards to existing officers, which is a routine compensation matter rather than a change in management personnel.

Director — David B. Powers: The filing discloses a director's planned retirement in accordance with company policy and the approval of a standard annual incentive compensation plan, neither of which constitutes a sudden executive departure or high-signal management change.

Results of Operations and Financial Condition On May 20, 2025, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter and fiscal year ended March 31, 2025. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Director — David Rush: The filing discloses the appointment of a new non-employee director to the board and committees, which is a routine governance event rather than an executive departure.

Entry into a Material Definitive Agreement. Amendment No. 2 to Credit Agreement On February 4, 2025 (the “Amendment Closing Date”), the Company entered into Amendment No. 2 (the “Amendment”), to that certain unsecured credit agreement with the lenders identified therein and JPMorgan Chase Bank, N.A., as the administrative agent, issuing bank and swingline bank thereunder dated as of July 1, 2021 (as amended by Amendment No. 1 to Credit Agreement, dated as of May 5, 2022, and as amended, resta…

Creation of a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement of a Company. The description relating to the Amendment and the Credit Agreement in

Results of Operations and Financial Condition On January 29, 2025, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended December 31, 2024. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Results of Operations and Financial Condition On October 29, 2024, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended September 30, 2024. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Results of Operations and Financial Condition On July 30, 2024, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter ended June 30, 2024. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

CEO — Michael R. Haack: The filing discloses routine annual equity incentive awards to existing officers, not a change in management personnel.

The filing discloses the approval of annual incentive compensation plans (Item 5.02(e)) rather than a change in directors or officers.

Results of Operations and Financial Condition On May 21, 2024, Eagle Materials Inc., a Delaware corporation (“Eagle”), announced its results of operations for the quarter and fiscal year ended March 31, 2024. A copy of Eagle’s earnings press release announcing these results is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference.

Entry into a Material Definitive Agreement. As previously disclosed, Eagle Materials Inc. (the “ Company ” or “ Eagle ”) conducts one of its cement operations through a joint venture, Texas Lehigh Cement Company LP (the “ Joint Venture ”), which owns and operates a cement plant located in Buda, Texas. The Joint Venture is a limited partnership whose partners consist of (a) two indirect wholly owned subsidiaries of the Company (together, the “ TLCC Partners ”) and (b) HM Southeast Cement LLC (…

Regulation FD Disclosure Eagle Materials Inc., a Delaware corporation (“Eagle”), announced plans for Texas Lehigh Cement Company, a 50/50 joint venture between Eagle and Heidelberg Materials North America, to start-up a new slag cement facility in Houston, Texas this summer. A copy of Eagle’s press release announcing this development is being furnished as Exhibit 99.1 hereto and is incorporated herein by reference. Pursuant to the rules of the Securities and Exchange Commission, the informati…