Transaction in Own Shares

17 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 10 August 2026 to 14 August 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)

10-Aug-26

400,000

519.6801

522.6000

515.2000

11-Aug-26

400,000

527.4840

530.0000

516.8000

12-Aug-26

390,000

526.0853

529.8000

523.0000

13-Aug-26

360,000

526.8371

531.2000

524.6000

14-Aug-26

345,000

539.9733

544.8000

535.8000

Following the above transactions, the Company has 782,403,195 ordinary shares in issue and holds 3,921,747 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 778,481,448 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.