Transaction in Own Shares

22 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 15 June 2026 to 19 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)

15-Jun-26

1,444,768

468.4900

473.4000

459.7000

16-Jun-26

1,321,400

475.6404

480.4000

465.0000

17-Jun-26

891,200

478.7641

486.1000

475.6000

18-Jun-26

850,000

475.6346

477.6000

469.3000

19-Jun-26

492,632

477.9001

481.4000

474.4000

Following the above transactions, the Company has 794,812,626 ordinary shares in issue and holds 4,345,157 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 790,467,469 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/2073J_1-2026-6-22.pdf