National Storage Mechanism | Additional information

COMPLETION OF BUYBACK

Glanbia PLC

22 September 2025

Glanbia plc completes EUR50m Share Buyback Programme

Glanbia plc, the Better Nutrition company ("Glanbia" or "the Company"), is pleased to announce the completion of the €50 million share buyback programme which was carried out under the €100 million share buyback authority announced by the Company on 26 February 2025 and formally commenced on 4 June 2025.

Between 4 June 2025 and 19 September 2025, Glanbia deployed €50 million, repurchasing 3,804,769 ordinary shares on Euronext Dublin at an average price of €13.1414.

Following cancellation of repurchased shares, Glanbia will have 251,173,877 ordinary shares in issue.

J&E Davy completed the buyback programme on behalf of Glanbia independently of, and uninfluenced by, the Company.

For further information contact:

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

Lauren O'Sullivan, Investor Relations Manager: +353 85 741 7861

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

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