Transaction in Own Shares

10 April 2024

Auto Trader Group plc ("Auto Trader" or the "Company")

Auto Trader Group plc Transaction in Own Shares

Auto Trader Group plc (the "Company") announces that on 10 April 2024 it purchased through Merrill Lynch International the following number of its ordinary shares for Cancellation at an average price of 689.4000 pence per share:

Number of ordinary shares purchased:

110,264

Highest purchase price paid per share:

689.4000p

Lowest purchase price paid per share:

689.4000p

Following the above transaction, the Company has 906,773,190 ordinary shares in issue and holds 4,882,922 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 901,890,268 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, Auto Trader 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:

Auto Trader Group plc

Claire Baty, Company Secretary

0345 111 0006

Schedule of Purchases - Individual Transactions

Number of shares purchased

Transaction price (per share)

Time of transaction

Execution venue

15

689.4

16:35:07

XLON

67

689.4

16:35:07

XLON

102

689.4

16:35:07

XLON

118

689.4

16:35:07

XLON

139

689.4

16:35:07

XLON

148

689.4

16:35:07

XLON

221

689.4

16:35:07

XLON

531

689.4

16:35:07

XLON

583

689.4

16:35:07

XLON

624

689.4

16:35:07

XLON

647

689.4

16:35:07

XLON

703

689.4

16:35:07

XLON

724

689.4

16:35:07

XLON

919

689.4

16:35:07

XLON

1,006

689.4

16:35:07

XLON

1,360

689.4

16:35:07

XLON

1,438

689.4

16:35:07

XLON

1,667

689.4

16:35:07

XLON

1,998

689.4

16:35:07

XLON

2,166

689.4

16:35:07

XLON

2,203

689.4

16:35:07

XLON

2,687

689.4

16:35:07

XLON

3,026

689.4

16:35:07

XLON

3,403

689.4

16:35:07

XLON

4,390

689.4

16:35:07

XLON

4,719

689.4

16:35:07

XLON

4,732

689.4

16:35:07

XLON

5,995

689.4

16:35:07

XLON

6,357

689.4

16:35:07

XLON

9,567

689.4

16:35:07

XLON

20,271

689.4

16:35:07

XLON

27,738

689.4

16:35:07

XLON