Transaction in Own Shares

8 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 1 June 2026 to 5 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)

01-Jun-26

1,405,128

449.0610

451.1000

437.6000

02-Jun-26

859,616

449.6410

462.7000

445.3000

03-Jun-26

1,500,000

444.2608

447.8000

439.2000

04-Jun-26

889,425

459.2127

463.9000

454.0000

05-Jun-26

894,710

468.7772

471.4000

460.9000

Following the above transactions, the Company has 804,263,352 ordinary shares in issue and holds 4,350,911 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 799,912,441 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/3913H_1-2026-6-8.pdf