19 December 2025

Hostelworld Group plc (the "Company")

Transaction in own shares

The Company announces that on 18 December 2025 it purchased a total of 18,000 of its Ordinary Shares of €0.01 each (the "Ordinary Shares") on the London Stock Exchange through the Company's broker Goodbody Stockbrokers UC ("Goodbody"), as detailed below. The repurchased shares will be cancelled.

The purchases form part of the Company's share buyback programme announced on 19 June 2025.

Following settlement and cancellation of the above purchases, the Company's total number of Ordinary Shares in issue shall be 124,248,812 Ordinary Shares, each carrying the right to one vote. The Company holds nil Ordinary Shares in treasury.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation) (also in force in the UK, from time to time, including, where relevant, pursuant to the UK's European Union (Withdrawal) Act 2018 and Market Abuse (Amendment) (EU Exit) Regulations 2019, a detailed breakdown of individual trades made by Goodbody on behalf of the Company as part of the buyback programme is scheduled to this announcement.

Contacts:

John Duggan

General Counsel & Company Secretary

M: +353 86 022 3553

Appendix

Transaction Details

London Stock Exchange