Auto Trader Regulatory News (AUTO)

5 September 2025

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 5 September 2025 it purchased through Merrill Lynch International the following number of its ordinary shares for Cancellation at an average price of 802.4314 pence per share:

Number of ordinary shares purchased:

247,234

Highest purchase price paid per share:

804.8000p

Lowest purchase price paid per share:

796.4000p

Following the above transaction, the Company has 876,900,724 ordinary shares in issue and holds 5,233,960 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 871,666,764 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

404

797.8

09:11:33

XLON

400

797

09:16:49

XLON

574

796.6

09:16:49

XLON

862

797.2

09:16:49

XLON

1,295

796.8

09:16:49

XLON

749

800

09:29:16

XLON

811

800.4

09:34:01

XLON

1,021

800.4

09:34:01

XLON

290

800.2

09:35:45

XLON

960

799.8

09:35:54

XLON

1,009

799.8

09:35:54

XLON

1,994

799.6

09:39:25

XLON

1,030

799.4

09:55:45

XLON

971

799.2

09:55:46

XLON

1,072

799.2

09:55:46

XLON

700

798.8

09:57:47

XLON

1,311

798.8

09:57:47

XLON

1,887

799

09:57:47

XLON

1,182

798.4

10:05:54

XLON

82

798

10:09:02

XLON

1,089

798

10:09:02

XLON

1,219

798

10:09:02

XLON

1,480

798

10:09:02

XLON

582

798.2

10:14:36

XLON

296

798.6

10:19:15

XLON

792

798.4

11:01:01

XLON

1,233

798.4

11:01:01

XLON

696

798.2

11:02:02

XLON

6

798.2

11:05:00

XLON

430

798

11:07:00

XLON

1,129

798

11:07:00

XLON

452

799.4

11:24:11

XLON

1,212

799.2

11:33:31

XLON

619

799

11:34:44

XLON

1,123

799.6

12:08:00

XLON

250

799.4

12:09:30

XLON

413

799.4

12:09:30

XLON

27

799.4

12:11:32

XLON

250

799.4

12:11:32

XLON

413

799.4

12:11:32

XLON

111

799

12:19:42

XLON

133

799

12:20:32

XLON

1,102

799

12:20:32

XLON

1,873

798.8

12:20:33

XLON

815

798.6

12:21:32

XLON

3,925

798.4

12:21:32

XLON

162

797.4

12:23:02

XLON

250

797.4

12:23:02

XLON

150

797.2

12:23:52

XLON

561

797.2

12:23:52

XLON

1,233

797.2

12:23:52

XLON

777

797

12:24:42

XLON

1,157

797

12:24:42

XLON

123

796.6

12:25:52

XLON

1,101

796.6

12:25:52

XLON

112

796.6

12:26:22

XLON

2

796.6

12:27:14

XLON

133

796.4

12:28:02

XLON

27

796.4

12:28:52

XLON

634

796.4

12:30:00

XLON

255

798.6

13:22:44

XLON

1,070

798.8

13:22:44

XLON

1,259

798.6

13:22:44

XLON

183

798.8

13:39:20

XLON

407

799

13:39:20

XLON

418

798.8

13:39:20

XLON

600

798.8

13:39:20

XLON

213

800

14:20:45

XLON

815

800

14:20:45

XLON

440

800.2

14:21:32

XLON

60

800.6

14:29:30

XLON

94

800.8

14:29:30

XLON

103

800.6

14:29:30

XLON

113

800.6

14:29:30

XLON

124

800.6

14:29:30

XLON

127

800.6

14:29:30

XLON

127

800.6

14:29:30

XLON

438

800.8

14:29:30

XLON

519

802.2

14:33:02

XLON

614

802.4

14:36:41

XLON

631

802.6

14:40:56

XLON

69

803.2

14:46:49

XLON

373

803.2

14:46:49

XLON

1

803.2

14:47:49

XLON

15

803.2

14:47:49

XLON

680

803.6

14:55:05

XLON

1,291

803.6

14:55:05

XLON

541

803.2

14:57:05

XLON

479

803

14:58:29

XLON

555

804.4

15:07:12

XLON

668

804.2

15:07:51

XLON

113

804

15:07:52

XLON

589

804

15:07:52

XLON

1,279

804

15:07:52

XLON

148

804.6

15:09:19

XLON

416

804.8

15:09:19

XLON

1,519

804.8

15:09:19

XLON

1,890

804.6

15:09:19

XLON

1,118

804

15:10:22

XLON

758

803.8

15:10:23

XLON

135

803.8

15:10:42

XLON

464

803.8

15:10:42

XLON

1,072

803.6

15:11:16

XLON

390

803.2

15:11:38

XLON

347

803

15:13:11

XLON

443

802.8

15:14:01

XLON

357

802.2

15:14:51

XLON

359

801.8

15:19:34

XLON

185

801.6

15:22:27

XLON

227

801.6

15:22:27

XLON

588

801.4

15:22:38

XLON

459

800.6

15:24:04

XLON

311

799.8

15:31:54

XLON

296

799.4

15:35:51

XLON

484

799

15:39:53

XLON

377

799.6

15:41:21

XLON

782

799.4

15:45:20

XLON

20

799.4

15:55:03

XLON

592

799.4

15:55:03

XLON

73

799

15:55:05

XLON

215

799

15:55:05

XLON

192

798.8

15:58:34

XLON

1,347

798.8

15:58:34

XLON

222

800

16:03:57

XLON

659

800

16:03:57

XLON

113

800.4

16:05:40

XLON

1,041

800.4

16:05:40

XLON

680

801.2

16:07:49

XLON

817

800.8

16:12:35

XLON

999

801

16:16:01

XLON

602

800.6

16:17:35

XLON

1,628

801.6

16:21:16

XLON

168

801.6

16:24:24

XLON

1,078

801.6

16:24:38

XLON

1,269

801.8

16:27:38

XLON

14

802

16:29:20

XLON

37

802

16:29:20

XLON

78

802

16:29:20

XLON

112

802

16:29:20

XLON

450

802

16:29:20

XLON

1,082

802

16:29:51

XLON

1,116

802

16:29:51

XLON

1,787

802

16:29:51

XLON

1

803.8

16:35:13

XLON

1

803.8

16:35:13

XLON

224

803.8

16:35:13

XLON

358

803.8

16:35:13

XLON

358

803.8

16:35:13

XLON

358

803.8

16:35:13

XLON

358

803.8

16:35:13

XLON

358

803.8

16:35:13

XLON

382

803.8

16:35:13

XLON

443

803.8

16:35:13

XLON

499

803.8

16:35:13

XLON

754

803.8

16:35:13

XLON

1,097

803.8

16:35:13

XLON

1,187

803.8

16:35:13

XLON

1,595

803.8

16:35:13

XLON

1,858

803.8

16:35:13

XLON

1,935

803.8

16:35:13

XLON

2,109

803.8

16:35:13

XLON

2,319

803.8

16:35:13

XLON

2,638

803.8

16:35:13

XLON

2,951

803.8

16:35:13

XLON

3,813

803.8

16:35:13

XLON

4,362

803.8

16:35:13

XLON

4,628

803.8

16:35:13

XLON

4,886

803.8

16:35:13

XLON

4,955

803.8

16:35:13

XLON

5,222

803.8

16:35:13

XLON

5,557

803.8

16:35:13

XLON

6,343

803.8

16:35:13

XLON

6,543

803.8

16:35:13

XLON

10,259

803.8

16:35:13

XLON

12,159

803.8

16:35:13

XLON

13,228

803.8

16:35:13

XLON

15,578

803.8

16:35:13

XLON

36,443

803.8

16:35:13

XLON