Transaction in Own Shares

29 June 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 22 June 2026 to 26 June 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)

22-Jun-26

430,000

484.2354

489.2000

476.1000

23-Jun-26

430,000

486.7920

492.6000

477.9000

24-Jun-26

430,000

489.2543

493.6000

483.7000

25-Jun-26

430,000

490.0661

496.9000

484.4000

26-Jun-26

430,000

486.5843

493.7000

479.2000

Following the above transactions, the Company has 792,662,626 ordinary shares in issue and holds 4,320,155 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 788,342,471 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/1584K_1-2026-6-29.pdf