Transaction in Own Shares.

TRAINLINE PLC

TRANSACTIONS IN OWN SECURITIES

Trainline plc ("Trainline") announces that during the period between 27 April 2026 and 1 May 2026, it has purchased the following number of its ordinary shares of 1 pence each on the London Stock Exchange and on Multilateral Trading Facilities through Morgan Stanley & Co. International Plc. Purchases were affected pursuant to the £150 million share purchase programme announced by Trainline on 11 September 2025 (the "Programme") and in accordance with the authority granted by shareholders at the 29 January 2026 General Meeting of Trainline:

Ordinary Shares

The purchased shares will be cancelled.

The Company has purchased 43,093,719 ordinary shares under the Programme since it commenced, representing £94,684,957.

Following the purchase of these shares, the remaining number of ordinary shares in issue will be 372,308,580. Trainline does not hold any ordinary shares in Treasury. The figure of 372,308,580 may be used by shareholders (and others with notification obligations) as the 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 Disclosure and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 as it applies in the UK (the Market Abuse Regulation), a full breakdown of the individual trades made by Morgan Stanley acting as riskless principal for Trainline as part of the share buyback programme is set out in the Schedule to this announcement available through the link below:

http://www.rns-pdf.londonstockexchange.com/rns/1102D_1-2026-5-5.pdf

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Enquiries

For investor enquiries, Andrew Gillian                          investors@trainline.com

For media enquiries, Nichola Johnson-Marshall            press@trainline.com

Brunswick Group

Simone Selzer                                                                    trainline@brunswickgroup.com / +44 207 404 5959

About Trainline

Trainline (www.trainline.com) is the leading independent rail and coach travel platform selling rail and coach tickets to millions of travellers worldwide, enabling them to seamlessly search, book and manage their journeys all in one place via its highly rated website and mobile app. Trainline is a one‐stop shop for rail and coach travel bringing together millions of routes, fares and journey times from rail and coach carriers across Europe.