Auto Trader Regulatory News (AUTO)

6 October 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 6 October 2025 it purchased through Merrill Lynch International the following number of its ordinary shares for Cancellation at an average price of 782.4833 pence per share:

Number of ordinary shares purchased:

226,363

Highest purchase price paid per share:

790.6000p

Lowest purchase price paid per share:

779.4000p

Following the above transaction, the Company has 872,055,432 ordinary shares in issue and holds 5,216,802 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 866,838,630 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

413

784.4

08:21:44

XLON

331

783.8

08:21:45

XLON

305

783.6

08:24:53

XLON

387

783.4

08:24:53

XLON

453

782.8

08:25:33

XLON

383

784.4

08:32:33

XLON

460

784.6

08:32:33

XLON

302

783.8

08:33:30

XLON

294

782.2

08:38:55

XLON

340

782.8

08:41:35

XLON

294

782.6

08:42:14

XLON

444

782.4

08:46:50

XLON

281

784.6

09:04:02

XLON

4,061

784.6

09:04:02

XLON

83

783.6

09:11:14

XLON

391

783.6

09:11:14

XLON

2,260

783.2

09:11:14

XLON

2,263

783.4

09:11:14

XLON

348

785.0

09:33:44

XLON

1,586

785.0

09:33:44

XLON

1,870

784.8

09:33:55

XLON

363

784.4

09:35:32

XLON

1,824

784.2

09:35:46

XLON

414

784.4

09:51:49

XLON

488

784.4

09:51:49

XLON

609

784.2

09:51:49

XLON

983

783.6

09:56:43

XLON

50

783.0

09:57:13

XLON

601

783.0

09:57:13

XLON

619

783.2

09:57:13

XLON

343

783.0

10:02:00

XLON

290

782.8

10:05:16

XLON

406

781.8

10:08:51

XLON

389

784.8

10:38:57

XLON

423

784.2

10:45:27

XLON

329

784.0

10:57:05

XLON

427

784.0

11:27:44

XLON

731

783.6

11:27:45

XLON

387

783.4

11:27:46

XLON

666

786.8

12:16:55

XLON

424

786.6

12:17:18

XLON

1,830

786.6

12:17:18

XLON

2,156

786.4

12:17:30

XLON

529

788.0

12:37:37

XLON

4

790.4

13:09:17

XLON

11

790.4

13:09:17

XLON

13

790.4

13:09:17

XLON

18

790.4

13:09:17

XLON

36

790.4

13:09:17

XLON

47

790.4

13:09:17

XLON

49

790.4

13:09:17

XLON

108

790.4

13:09:17

XLON

149

790.4

13:09:17

XLON

154

790.4

13:09:17

XLON

191

790.4

13:09:17

XLON

257

790.4

13:09:17

XLON

476

790.6

13:09:17

XLON

492

790.6

13:09:17

XLON

114

790.4

13:09:36

XLON

664

790.0

13:32:38

XLON

1,044

789.8

13:33:46

XLON

278

789.4

13:36:41

XLON

532

789.4

13:36:41

XLON

37

789.2

13:38:27

XLON

770

789.2

13:38:27

XLON

54

788.8

13:51:36

XLON

343

789.0

13:51:36

XLON

822

788.8

13:51:36

XLON

337

788.8

14:22:16

XLON

39

788.6

14:26:18

XLON

315

788.6

14:26:18

XLON

65

788.2

14:27:18

XLON

235

788.2

14:27:18

XLON

636

788.0

14:27:44

XLON

553

787.6

14:30:50

XLON

229

787.4

14:31:08

XLON

130

787.4

14:31:11

XLON

186

787.4

14:31:11

XLON

89

787.0

14:32:07

XLON

259

787.0

14:32:07

XLON

387

786.8

14:33:20

XLON

289

786.4

14:34:21

XLON

287

786.2

14:34:48

XLON

327

786.0

14:35:32

XLON

347

785.6

14:35:43

XLON

375

785.2

14:38:23

XLON

398

784.2

14:44:47

XLON

302

782.6

14:47:42

XLON

581

782.2

15:01:28

XLON

481

783.6

15:10:55

XLON

158

783.4

15:10:56

XLON

315

783.4

15:10:56

XLON

505

782.6

15:16:15

XLON

327

782.6

15:28:28

XLON

301

782.8

15:35:28

XLON

357

782.8

15:35:28

XLON

678

783.4

15:37:52

XLON

528

782.8

15:44:45

XLON

202

782.4

15:44:47

XLON

232

782.4

15:44:47

XLON

1,628

782.2

15:44:47

XLON

856

781.8

15:45:38

XLON

1,196

781.6

15:45:38

XLON

672

781.2

15:45:51

XLON

804

781.0

15:46:27

XLON

134

780.8

15:46:42

XLON

395

780.8

15:46:42

XLON

979

780.6

15:49:02

XLON

201

780.2

15:49:50

XLON

257

780.2

15:50:29

XLON

107

780.0

15:50:35

XLON

482

780.8

16:06:30

XLON

732

780.4

16:12:00

XLON

230

780.4

16:12:01

XLON

387

780.2

16:14:39

XLON

2,710

780.0

16:18:12

XLON

625

779.8

16:20:33

XLON

254

779.6

16:25:16

XLON

691

779.6

16:25:16

XLON

1,239

779.4

16:25:54

XLON

152

781.8

16:35:04

XLON

461

781.8

16:35:04

XLON

461

781.8

16:35:04

XLON

461

781.8

16:35:04

XLON

461

781.8

16:35:04

XLON

556

781.8

16:35:04

XLON

576

781.8

16:35:04

XLON

685

781.8

16:35:04

XLON

685

781.8

16:35:04

XLON

775

781.8

16:35:04

XLON

843

781.8

16:35:04

XLON

889

781.8

16:35:04

XLON

912

781.8

16:35:04

XLON

965

781.8

16:35:04

XLON

965

781.8

16:35:04

XLON

995

781.8

16:35:04

XLON

1,051

781.8

16:35:04

XLON

1,115

781.8

16:35:04

XLON

1,140

781.8

16:35:04

XLON

1,283

781.8

16:35:04

XLON

1,367

781.8

16:35:04

XLON

1,426

781.8

16:35:04

XLON

1,560

781.8

16:35:04

XLON

1,560

781.8

16:35:04

XLON

1,614

781.8

16:35:04

XLON

1,847

781.8

16:35:04

XLON

1,900

781.8

16:35:04

XLON

2,086

781.8

16:35:04

XLON

2,147

781.8

16:35:04

XLON

2,706

781.8

16:35:04

XLON

2,785

781.8

16:35:04

XLON

2,851

781.8

16:35:04

XLON

3,092

781.8

16:35:04

XLON

3,157

781.8

16:35:04

XLON

3,405

781.8

16:35:04

XLON

3,470

781.8

16:35:04

XLON

3,874

781.8

16:35:04

XLON

3,932

781.8

16:35:04

XLON

3,932

781.8

16:35:04

XLON

4,188

781.8

16:35:04

XLON

5,427

781.8

16:35:04

XLON

5,535

781.8

16:35:04

XLON

5,552

781.8

16:35:04

XLON

5,573

781.8

16:35:04

XLON

6,809

781.8

16:35:04

XLON

8,154

781.8

16:35:04

XLON

8,255

781.8

16:35:04

XLON

8,615

781.8

16:35:04

XLON

8,615

781.8

16:35:04

XLON

10,469

781.8

16:35:04

XLON

20,507

781.8

16:35:04

XLON