Transaction in Own Shares

15 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 8 June 2026 to 12 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)

08-Jun-26

1,230,335

470.8789

477.1000

466.0000

09-Jun-26

984,795

467.3412

474.2000

461.8000

10-Jun-26

1,000,180

468.3232

470.1000

459.7000

11-Jun-26

445,114

459.9453

466.2000

453.1000

12-Jun-26

790,302

461.0323

463.7000

451.2000

Following the above transactions, the Company has 799,812,626 ordinary shares in issue and holds 4,348,939 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 795,463,687 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/3130I_1-2026-6-15.pdf