Transaction in Own Shares

28 November 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 28 November 2025 it purchased through Deutsche Bank AG, London Branch (trading for these purposes as Deutsche Numis) ("Deutsche Numis") the following number of its ordinary shares for Cancellation at an average price of 639.9459 pence per share:

Number of ordinary shares purchased:

500,000

Highest purchase price paid per share:

642.80p

Lowest purchase price paid per share:

637.20p

Following the above transaction, the Company has 860,752,722 ordinary shares in issue and holds 4,975,696 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 855,777,026 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 Deutsche Numis 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 ordinary shares purchased

Transaction price(GBp share)

Time of transaction (UK Time)

Trading venue

1179

640.80

 08:17:24

XLON

1631

640.80

 08:17:24

XLON

135

640.80

 08:17:24

XLON

1220

640.80

 08:17:24

XLON

1675

640.60

 08:17:39

XLON

1347

639.80

 08:18:03

XLON

1404

639.60

 08:19:49

XLON

1336

639.80

 08:25:12

XLON

63

639.80

 08:26:55

XLON

112

639.80

 08:26:55

XLON

248

639.80

 08:27:15

XLON

792

639.80

 08:27:15

XLON

849

639.60

 08:27:15

XLON

556

639.60

 08:27:17

XLON

1310

639.40

 08:29:49

XLON

1365

639.40

 08:29:49

XLON

1271

639.20

 08:30:26

XLON

1257

638.60

 08:30:38

XLON

113

638.80

 08:45:37

XLON

7559

638.60

 08:45:37

XLON

459

638.60

 08:46:42

XLON

1253

638.40

 08:46:45

XLON

124

638.20

 08:49:46

XLON

1010

638.20

 08:49:46

XLON

639

638.00

 08:49:46

XLON

809

638.00

 08:49:46

XLON

1265

637.60

 08:49:49

XLON

1306

637.40

 08:50:45

XLON

1745

637.60

 08:56:01

XLON

1226

637.20

 08:56:16

XLON

1267

638.20

 09:02:12

XLON

375

639.00

 09:03:51

XLON

246

639.00

 09:03:51

XLON

1137

639.00

 09:04:08

XLON

21

639.00

 09:05:08

XLON

1354

639.00

 09:05:08

XLON

1188

639.40

 09:06:57

XLON

49

639.20

 09:06:57

XLON

1750

639.20

 09:06:57

XLON

5

639.00

 09:06:57

XLON

150000

639.40

 09:09:05

XLON

1151

639.20

 09:09:14

XLON

1218

639.40

 09:14:01

XLON

1387

639.40

 09:14:01

XLON

1313

639.00

 09:15:23

XLON

1172

638.80

 09:15:24

XLON

1227

639.40

 09:18:57

XLON

45

639.40

 09:18:57

XLON

1444

641.00

 09:29:16

XLON

862

641.00

 09:29:16

XLON

418

641.00

 09:29:34

XLON

846

641.00

 09:29:34

XLON

1264

640.80

 09:29:35

XLON

1386

640.60

 09:30:50

XLON

1295

641.40

 09:35:14

XLON

119

641.20

 09:35:14

XLON

484

641.20

 09:35:14

XLON

324

641.20

 09:35:15

XLON

135

641.20

 09:35:16

XLON

176

641.20

 09:35:52

XLON

1390

641.20

 09:35:52

XLON

813

641.40

 09:38:31

XLON

523

641.40

 09:38:31

XLON

1330

641.40

 09:39:01

XLON

1229

641.00

 09:41:24

XLON

1371

640.40

 09:48:14

XLON

1138

640.60

 09:50:14

XLON

1234

640.60

 09:55:06

XLON

1160

640.60

 09:55:06

XLON

180

640.40

 09:55:18

XLON

1320

640.80

 10:00:33

XLON

150

640.60

 10:00:33

XLON

233

641.20

 10:02:36

XLON

1021

641.20

 10:02:36

XLON

125

641.00

 10:02:39

XLON

1715

641.00

 10:03:21

XLON

299

641.00

 10:05:21

XLON

860

641.00

 10:05:21

XLON

1104

641.20

 10:08:31

XLON

301

641.20

 10:08:31

XLON

445

642.00

 10:13:38

XLON

705

642.00

 10:13:38

XLON

1972

642.00

 10:13:38

XLON

1188

641.80

 10:15:03

XLON

1337

641.60

 10:16:02

XLON

141

641.80

 10:19:51

XLON

1367

642.00

 10:20:04

XLON

628

642.00

 10:20:04

XLON

1430

641.80

 10:21:51

XLON

1578

641.60

 10:24:16

XLON

1476

641.60

 10:26:36

XLON

1521

641.40

 10:27:53

XLON

669

642.20

 10:32:44

XLON

461

642.20

 10:32:44

XLON

13

642.40

 10:34:04

XLON

83

642.40

 10:34:04

XLON

1910

642.40

 10:35:18

XLON

118

642.40

 10:35:18

XLON

929

642.20

 10:36:19

XLON

591

642.20

 10:36:19

XLON

68

642.20

 10:38:40

XLON

1371

642.40

 10:43:25

XLON

1579

642.40

 10:43:25

XLON

785

642.40

 10:47:42

XLON

982

642.40

 10:49:42

XLON

118

642.40

 10:49:46

XLON

103

642.40

 10:50:03

XLON

1203

642.20

 10:50:47

XLON

1276

642.20

 10:50:47

XLON

1355

641.80

 10:50:48

XLON

1396

641.40

 10:56:41

XLON

1226

641.60

 10:59:42

XLON

325

641.60

 11:00:03

XLON

826

641.60

 11:00:03

XLON

1371

641.40

 11:03:47

XLON

207

641.20

 11:03:47

XLON

1145

641.20

 11:03:47

XLON

1187

641.20

 11:07:55

XLON

1

641.00

 11:07:55

XLON

601

641.40

 11:11:57

XLON

678

641.40

 11:11:57

XLON

736

641.40

 11:17:36

XLON

215

641.40

 11:17:36

XLON

225

641.40

 11:17:36

XLON

174

641.20

 11:17:52

XLON

1685

641.20

 11:17:52

XLON

1126

641.00

 11:21:49

XLON

1256

641.00

 11:25:11

XLON

1

641.00

 11:29:28

XLON

358

641.00

 11:32:09

XLON

853

641.00

 11:32:09

XLON

1330

641.00

 11:32:09

XLON

1212

641.00

 11:34:20

XLON

112

641.00

 11:34:20

XLON

1162

641.60

 11:40:03

XLON

250

641.60

 11:42:14

XLON

1038

641.60

 11:42:14

XLON

337

642.00

 11:45:15

XLON

1266

642.60

 11:47:04

XLON

1266

642.40

 11:47:04

XLON

11

642.00

 11:50:46

XLON

223

642.00

 11:50:46

XLON

1143

642.00

 11:50:46

XLON

1204

642.00

 11:50:46

XLON

1580

642.60

 11:56:44

XLON

1847

642.20

 11:59:45

XLON

1202

642.60

 12:03:46

XLON

1202

642.40

 12:05:24

XLON

135

642.20

 12:07:10

XLON

1366

642.20

 12:07:10

XLON

24

642.40

 12:12:19

XLON

1402

642.40

 12:13:19

XLON

1163

642.40

 12:16:19

XLON

351

642.60

 12:18:13

XLON

255

642.60

 12:18:14

XLON

760

642.60

 12:18:14

XLON

1165

642.60

 12:20:14

XLON

1165

642.40

 12:21:14

XLON

1236

642.40

 12:21:14

XLON

889

642.80

 12:25:04

XLON

489

642.80

 12:25:04

XLON

1234

642.60

 12:27:12

XLON

1347

642.40

 12:27:15

XLON

345

641.60

 12:33:37

XLON

1019

641.60

 12:33:37

XLON

1207

641.40

 12:35:24

XLON

335

641.20

 12:35:31

XLON

1068

641.20

 12:35:31

XLON

1373

641.40

 12:40:41

XLON

522

641.20

 12:41:33

XLON

621

641.20

 12:41:33

XLON

1329

641.00

 12:44:34

XLON

1139

640.40

 12:47:18

XLON

1284

640.40

 12:52:41

XLON

39

640.20

 12:54:45

XLON

1036

640.20

 12:54:45

XLON

65

640.20

 12:54:45

XLON

1095

640.00

 12:57:59

XLON

302

640.00

 12:57:59

XLON

694

640.00

 13:04:31

XLON

558

640.00

 13:04:31

XLON

1137

639.80

 13:05:39

XLON

1153

639.80

 13:05:39

XLON

1404

639.80

 13:09:20

XLON

220

639.60

 13:09:52

XLON

1141

639.60

 13:09:52

XLON

1158

639.80

 13:11:37

XLON

1374

639.40

 13:13:03

XLON

1149

639.20

 13:17:09

XLON

428

639.00

 13:19:30

XLON

713

639.00

 13:19:30

XLON

93

639.40

 13:21:33

XLON

130

639.40

 13:21:34

XLON

1147

639.40

 13:21:34

XLON

1005

639.00

 13:29:37

XLON

272

639.00

 13:29:37

XLON

1290

639.60

 13:32:11

XLON

1297

639.60

 13:32:11

XLON

1351

639.40

 13:32:45

XLON

1148

639.20

 13:34:17

XLON

610

639.20

 13:37:58

XLON

751

639.20

 13:37:58

XLON

1222

639.60

 13:43:46

XLON

1176

639.60

 13:45:46

XLON

485

639.40

 13:46:59

XLON

64

639.60

 13:46:59

XLON

219

639.60

 13:46:59

XLON

18

639.60

 13:46:59

XLON

170

639.60

 13:47:35

XLON

1513

639.60

 13:47:35

XLON

753

639.40

 13:48:28

XLON

639

639.40

 13:48:28

XLON

1138

639.20

 13:48:30

XLON

1235

639.20

 13:54:14

XLON

1130

639.00

 13:58:05

XLON

530

638.80

 13:58:18

XLON

704

638.80

 14:00:09

XLON

216

639.00

 14:02:28

XLON

1129

639.00

 14:02:28

XLON

1201

639.40

 14:03:33

XLON

255

639.40

 14:03:33

XLON

690

639.40

 14:03:33

XLON

255

639.40

 14:03:33

XLON

49

639.40

 14:03:33

XLON

690

639.20

 14:05:59

XLON

433

639.20

 14:05:59

XLON

127

639.20

 14:05:59

XLON

49

639.20

 14:05:59

XLON

1126

639.00

 14:09:10

XLON

10

638.80

 14:09:50

XLON

1365

638.80

 14:09:50

XLON

1231

639.20

 14:13:26

XLON

1319

639.00

 14:15:55

XLON

1204

639.00

 14:17:05

XLON

1240

639.00

 14:19:28

XLON

1719

639.60

 14:23:58

XLON

127

639.60

 14:26:34

XLON

759

639.60

 14:26:34

XLON

17

639.60

 14:26:34

XLON

653

639.60

 14:26:34

XLON

888

639.60

 14:27:17

XLON

419

639.60

 14:27:17

XLON

952

639.40

 14:29:07

XLON

346

639.40

 14:29:07

XLON

1229

639.20

 14:29:49

XLON

759

639.00

 14:31:05

XLON

378

639.00

 14:31:05

XLON

2144

639.20

 14:34:01

XLON

517

639.20

 14:35:54

XLON

842

639.20

 14:35:54

XLON

537

639.20

 14:35:54

XLON

250

639.20

 14:35:54

XLON

256

639.00

 14:36:28

XLON

899

639.00

 14:36:28

XLON

502

639.00

 14:38:27

XLON

1150

639.00

 14:38:27

XLON

1532

638.80

 14:39:50

XLON

1465

638.60

 14:40:14

XLON

690

639.00

 14:43:04

XLON

250

639.00

 14:43:04

XLON

1220

638.80

 14:43:08

XLON

690

638.80

 14:43:08

XLON

1294

638.60

 14:45:28

XLON

149

639.40

 14:47:54

XLON

64

639.40

 14:47:54

XLON

347

639.40

 14:47:54

XLON

690

639.40

 14:47:54

XLON

600

639.20

 14:48:35

XLON

887

639.20

 14:49:35

XLON

479

639.20

 14:49:35

XLON

650

639.20

 14:49:35

XLON

690

639.20

 14:49:35

XLON

159

639.20

 14:49:35

XLON

337

639.00

 14:51:03

XLON

918

639.00

 14:51:03

XLON

1401

638.80

 14:51:25

XLON

1334

638.60

 14:52:39

XLON

24

639.00

 14:55:00

XLON

9

639.40

 14:57:25

XLON

1472

639.40

 14:57:25

XLON

1388

639.40

 14:57:25

XLON

1474

639.20

 14:57:55

XLON

930

639.20

 14:58:59

XLON

370

639.20

 14:58:59

XLON

1180

639.20

 14:59:55

XLON

226

639.00

 15:00:40

XLON

1049

639.00

 15:00:40

XLON

1077

639.40

 15:04:58

XLON

753

639.40

 15:04:58

XLON

873

639.20

 15:05:29

XLON

914

639.20

 15:05:29

XLON

270

639.20

 15:05:29

XLON

312

639.20

 15:05:29

XLON

1138

639.00

 15:05:39

XLON

94

639.00

 15:05:39

XLON

1025

639.20

 15:06:32

XLON

336

639.20

 15:06:32

XLON

1171

639.20

 15:07:52

XLON

3

640.20

 15:11:59

XLON

9

640.20

 15:11:59

XLON

1657

640.20

 15:11:59

XLON

690

640.20

 15:12:58

XLON

1414

640.20

 15:13:58

XLON

200

640.20

 15:13:58

XLON

527

640.20

 15:14:04

XLON

664

640.20

 15:14:04

XLON

127

640.20

 15:14:04

XLON

143

640.00

 15:14:51

XLON

1234

640.00

 15:14:51

XLON

1330

640.00

 15:16:51

XLON

2452

640.60

 15:20:00

XLON

690

640.60

 15:20:00

XLON

134

640.60

 15:20:00

XLON

259

640.60

 15:20:00

XLON

1379

640.40

 15:20:07

XLON

1289

641.20

 15:22:24

XLON

1361

641.00

 15:22:40

XLON

571

640.80

 15:25:12

XLON

1140

640.80

 15:25:12

XLON

736

640.80

 15:25:12

XLON

854

640.80

 15:27:01

XLON

536

640.80

 15:27:01

XLON

1174

640.60

 15:27:29

XLON

530

640.80

 15:31:19

XLON

787

640.80

 15:31:19

XLON

478

641.00

 15:33:22

XLON

741

641.00

 15:33:22

XLON

600

641.00

 15:33:22

XLON

448

640.80

 15:33:22

XLON

752

640.80

 15:33:22

XLON

690

640.80

 15:33:34

XLON

359

640.80

 15:33:34

XLON

428

640.80

 15:34:09

XLON

701

640.80

 15:34:09

XLON

174

640.40

 15:35:13

XLON

920

641.20

 15:37:24

XLON

1577

640.80

 15:38:20

XLON

1610

641.00

 15:40:00

XLON

1177

641.00

 15:42:14

XLON

153

641.00

 15:42:14

XLON

1012

641.00

 15:42:14

XLON

308

641.00

 15:42:14

XLON

865

641.60

 15:43:44

XLON

1259

641.60

 15:44:01

XLON

1161

641.40

 15:44:12

XLON

1142

640.80

 15:46:07

XLON

1352

640.60

 15:47:40

XLON

207

640.40

 15:48:44

XLON

1035

640.40

 15:48:45

XLON

1156

640.20

 15:48:45

XLON

27

640.20

 15:48:45

XLON

101

639.80

 15:50:24

XLON

1157

639.80

 15:50:24

XLON

904

639.80

 15:51:44

XLON

396

639.80

 15:51:44

XLON

572

639.80

 15:52:44

XLON

668

639.80

 15:52:44

XLON

536

639.60

 15:52:48

XLON

793

639.60

 15:52:48

XLON

1192

639.40

 15:55:00

XLON

1345

639.40

 15:56:23

XLON

1330

639.20

 15:57:31

XLON

1388

639.00

 15:58:04

XLON

695

639.00

 16:00:04

XLON

246

639.80

 16:01:06

XLON

1337

639.80

 16:01:07

XLON

690

640.00

 16:03:05

XLON

236

640.00

 16:03:05

XLON

420

640.00

 16:03:05

XLON

1676

640.00

 16:03:05

XLON

1097

640.00

 16:03:05

XLON

970

640.00

 16:04:05

XLON

1233

640.00

 16:04:05

XLON

1420

639.80

 16:04:22

XLON

102

639.80

 16:04:22

XLON

2455

639.80

 16:07:06

XLON

49

639.80

 16:07:20

XLON

420

639.80

 16:07:20

XLON

690

639.80

 16:07:20

XLON

117

639.80

 16:07:20

XLON

919

639.80

 16:08:20

XLON

402

639.80

 16:08:20

XLON

1257

639.60

 16:09:05

XLON

722

639.60

 16:10:05

XLON

1340

639.60

 16:10:28

XLON

272

639.60

 16:10:28

XLON

947

639.40

 16:11:17

XLON

292

639.40

 16:11:17

XLON

166

639.60

 16:13:26

XLON

1992

639.60

 16:13:28

XLON

766

639.60

 16:13:28

XLON

1378

639.80

 16:14:26

XLON

650

639.80

 16:14:26

XLON

420

639.80

 16:14:26

XLON

1391

639.80

 16:16:07

XLON

896

639.80

 16:16:07

XLON

415

639.80

 16:16:07

XLON

1228

639.80

 16:17:07

XLON

863

639.80

 16:17:11

XLON

428

639.80

 16:17:11

XLON

61

639.60

 16:18:20

XLON

693

639.60

 16:18:20

XLON

286

639.60

 16:19:20

XLON

1008

639.60

 16:19:20

XLON

686

639.60

 16:19:20

XLON

1215

639.40

 16:19:33

XLON

1376

639.20

 16:20:18

XLON

1160

639.20

 16:20:18

XLON

1322

639.00

 16:21:37

XLON

966

638.80

 16:21:40

XLON

260

638.80

 16:21:40

XLON

713

638.60

 16:22:56

XLON

529

638.60

 16:22:56

XLON

224

638.60

 16:22:56

XLON

863

638.60

 16:22:56

XLON

287

638.60

 16:22:56

XLON

607

638.60

 16:22:56

XLON

249

638.60

 16:22:56

XLON

71

638.60

 16:22:56

XLON

1104

638.40

 16:23:25

XLON

486

638.40

 16:23:25

XLON