Completion of Acquisition

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BREEDON GROUP PLC

Completion of Lionmark Acquisition

Further to the announcement of 5 March 2025, Breedon Group plc ("Breedon" or the "Group"), a leading vertically-integrated construction materials group in Great Britain, Ireland and the United States, announces the completion of the acquisition of Lionmark Construction Companies LLC.

Breedon Group plc, a leading vertically-integrated construction materials group in Great Britain, Ireland and the United States delivers essential products to the construction sector. Breedon holds 1.5bn tonnes of mineral reserves and resources with long reserve life, supplying value-added products and services, including specialty materials, surfacing and highway maintenance operations, to a broad range of customers through its extensive local network of quarries, ready-mixed concrete and asphalt plants.

The Group's two well-invested cement plants are actively engaged in a number of carbon reduction practices, which include utilising alternative raw materials and lower carbon fuels. Breedon's 4,900 colleagues embody our commitment to 'Make a Material Difference' as the Group continues to execute its strategy to create sustainable value for all stakeholders, delivering growth through organic improvement and acquisition in the heavyside construction materials market. Breedon shares (BREE) are traded on the Main Market of the London Stock Exchange and are a constituent of the FTSE 250 index.

This announcement may include statements that are, or may be deemed to be, "forward-looking statements" (including words such as "believe", "expect", "estimate", "intend", "anticipate" and words of similar meaning). By their nature, forward-looking statements involve risk and uncertainty since they relate to future events and circumstances, and actual results may, and often do, differ materially from any forward-looking statements. Any forward-looking statements in this announcement reflect management's view with respect to future events as at the date of this announcement. Save as required by applicable law, Breedon undertakes no obligation to revise any forward-looking statements in this announcement, whether following any change in its expectations or to reflect events or circumstances after the date of this announcement.