Transaction in Own Shares

18 May 2026

Autotrader Group plc ("Autotrader" or the "Company")

Autotrader Group plc Transaction in Own Shares

Autotrader Group plc (the "Company") announces that in the period 11 May 2026 to 15 May 2026 it purchased through Merrill Lynch International the following number of its ordinary shares for Cancellation.

Date of purchase

Number of Ordinary Shares purchased

Volume weighted average price paid per share (pence)

Highest purchase price paid per share (pence)

Lowest purchase price paid per share (pence)

11-May-26

400,000

508.9319

515.0000

503.6000

12-May-26

390,000

496.6710

503.0000

494.0000

13-May-26

390,000

492.5323

495.0000

487.7000

14-May-26

395,000

492.5565

499.8000

484.9000

15-May-26

410,000

488.7830

494.4000

478.3000

Following the above transactions, the Company has 816,557,631 ordinary shares in issue and holds 4,352,094 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 812,205,537 which may be used by shareholders 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, Autotrader Group plc under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation), the schedule below contains detailed information about the purchases made by Merrill Lynch International on behalf of the Company as part of the buyback programme.

Enquiries:

Autotrader Group plc

Claire Baty, Company Secretary

0345 111 0006

Schedule of Purchases - Individual Transactions

Please see attached PDF for full list of transactions.

http://www.rns-pdf.londonstockexchange.com/rns/7370E_1-2026-5-18.pdf