CRH: Company disclosure

Item 7.01 Regulation FD Disclosure. On October 23, 2026, CRH public limited company (‘CRH’) issued a press release announcing the completion of its previously announced acquisition of Arcosa, Inc., a Delaware corporation (‘Arcosa’). A copy of the press release is furnished herewith as Exhibit 99.1 and is incorporated herein by reference. The information disclosed in this Current Report on Form 8-K pursuant to this Item 7.01 (including Exhibit 99.1 attached hereto) shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the ‘Exchange Act’), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in any such filing. Item 9.01 Financial Statements and Exhibits (d) Exhibits. Exhibit No. Description 99.1 Press Release, dated October 23, 2026. 104 Cover Page Interactive Data File (formatted in Inline XBRL). SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: October 23, 2026 CRH public limited company /s/ Aylwyn Bryan By: Aylwyn Bryan Chief Financial Officer