Transaction in Own Shares

3 August 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 27 July 2026 to 31 July 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)

27-Jul-26

230,000

508.4148

513.0000

498.7000

28-Jul-26

6,180

517.2554

517.8000

516.2000

29-Jul-26

8,714

525.1389

525.8000

524.2000

30-Jul-26

450,000

528.8290

533.8000

524.2000

31-Jul-26

254,101

522.9087

526.4000

519.6000

Following the above transactions, the Company has 786,199,195 ordinary shares in issue and holds 3,967,855 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 782,231,340 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/9702O_1-2026-8-3.pdf