Irish Residential Properties REIT plc Dividend Declaration

19 August 2026

Irish Residential Properties REIT plc

Dividend Declaration

Irish Residential Properties REIT plc (the “Company“) announces that, further to the publication of its Interim results for the period from 1 January 2026 to 30 June 2026, the Board of the Company has declared a dividend of 2.5 cent per share for the period ended 30 June 2026. The 2.5 cent per share will be wholly a Property Income Distribution (“PID”) as defined by the Irish REIT legislation and will be paid on 18 September 2026 to shareholders on record on 28 August 2026.

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For further information please contact:

Investor Relations:

Orla Keegan, Head of Investor RelationsTel: +353 (0) 87 299 2445

Email:investors@iresreit.ie

Media enquiries:

Cathal Barry, DruryTel: +353 (0) 87 227 9281

Gavin McLoughlin, DruryTel: +353 (0) 86 035 3749

Email:iresreit@drury.ie

About Irish Residential Properties REIT plc

Irish Residential Properties REIT plc (“IRES”) is a Real Estate Investment Trust providing quality professionally managed homes in sustainable communities inIreland. IRES aims to be the provider of choice for the Irish living sector, known for excellent service and for operating responsibly, minimising its environmental impact, and maximising its contribution to the community. The Company’s shares are listed on Euronext Dublin. Further information atwww.iresreit.ie.

This note applies if and to the extent that there are forward-looking statements in this Announcement.

This Announcement may contain forward-looking statements, which are subject to risks and uncertainties because they relate to expectations, beliefs, projections, future plans and strategies, anticipated events or trends, and similar expressions concerning matters that are not historical facts. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause the actual results, performance or achievements of the Company or the industry in which it operates, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. The forward-looking statements referred to in this paragraph speak only as at the date of this Announcement. Except as required by law or by any appropriate regulatory authority, the Company will not undertake any obligation to release publicly any revision or updates to these forward-looking statements to reflect future events, circumstances, unanticipated events, new information or otherwise.