Committee Changes

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Glanbia plc announced committee changes effective December 31, 2025, coinciding with Paul Duffy's transition to Chair of the Nomination and Governance Committee. Senan Murphy will assume the role of Chair of the Audit Committee, while Paul Duffy steps down from his current Chair position and as a member of the Audit Committee. These changes follow the earlier announcement of Paul Duffy's appointment as Chair of the Company, effective January 1, 2026.

Disclaimer*

Glanbia PLC

11 December 2025

Glanbia plc

Committee Changes

11 December 2025- Glanbia plc ("Glanbia" or the "Company"), the Better Nutrition company, announces that following the announcement on 13 August 2025, of the appointment of Paul Duffy as Chair of the Company with effect from 1 January 2026, the following changes will take place on 31 December 2025:

· Paul Duffy will step down as Chair and as a member of the Audit Committee;

· Senan Murphy will become Chair of the Audit Committee; and

· Paul Duffy will become Chair of the Nomination and Governance Committee.

ENDS

For further information contact:

Glanbia plc +353 56 777 2200

Liam Hennigan, Group Secretary & Head of Investor Relations: +353 86 046 8375

Martha Kavanagh, Corporate Affairs Director: +353 87 646 2006

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