Transaction in Own Shares

5 May 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 April 2026 to 1 May 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-Apr-26

420,000

502.5194

505.4000

497.1000

28-Apr-26

420,000

505.3034

508.0000

501.6000

29-Apr-26

420,000

507.3471

508.4000

499.9000

30-Apr-26

420,000

500.4594

503.0000

496.0000

01-May-26

420,000

493.8797

499.0000

490.7000

Following the above transactions, the Company has 820,182,631 ordinary shares in issue and holds 4,363,294 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 815,819,337 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/0441D_1-2026-5-5.pdf