Cairn Homes Plc: Total Voting Rights

CAIRN HOMES PLC

TOTAL VOTING RIGHTS

Dublin/London, 01 October 2026: In conformity with Regulation 20 of the Transparency (Directive 2004/109/EC) Regulations 2007, (as amended) Cairn Homes plc (the “Company”) (Euronext Dublin: C5H /LSE: CRN) confirms that the total number of Ordinary Shares of €0.001 each in issue on 01 October 2026, is626,329,167.Each Ordinary Share carries one vote, therefore the total number of voting rights is 626,329,167.The Company does not hold any Ordinary Shares in treasury.

The figure which may be used by shareholders as a denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in the Company under the Transparency (Directive 2004/109/EC) Regulations 2007, (as amended) and the Central Bank (Investment Market Conduct) Rules is 626,329,167.

-ENDS-

For further information, contact:

Cairn Homes plc+353 1 696 4600

Tara Grimley, Company Secretary

Notes to Editors

Cairn is an Irish homebuilder committed to building high-quality, competitively priced, sustainable new homes and communities in great locations. At Cairn, the homeowner is at the very centre of the design process. We strive to provide unparalleled customer service throughout each stage of the home-buying journey. A new Cairn home is expertly designed, with a focus on creating shared spaces and environments where communities thrive.