Transaction in Own Shares

25 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 25 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 639.8355 pence per share:

Number of ordinary shares purchased:

700,000

Highest purchase price paid per share:

644.20p

Lowest purchase price paid per share:

635.00p

Following the above transaction, the Company has 862,395,722 ordinary shares in issue and holds 5,195,885 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 857,199,837 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

196

638.00

 08:18:04

XLON

1438

639.00

 08:21:31

XLON

1179

639.00

 08:21:31

XLON

1278

638.60

 08:25:05

XLON

1156

639.00

 08:25:52

XLON

721

638.40

 08:28:09

XLON

401

638.40

 08:28:09

XLON

1200

637.60

 08:34:24

XLON

1151

637.00

 08:38:10

XLON

1227

636.80

 08:39:08

XLON

1104

636.80

 08:39:08

XLON

1217

636.00

 08:39:09

XLON

267

636.00

 08:39:16

XLON

574

637.60

 08:40:21

XLON

1273

637.60

 08:40:21

XLON

594

637.60

 08:40:21

XLON

581

637.20

 08:42:15

XLON

678

637.20

 08:42:15

XLON

68

639.00

 08:46:36

XLON

1054

639.00

 08:46:36

XLON

555

638.80

 08:47:21

XLON

713

638.80

 08:47:21

XLON

1229

638.40

 08:47:56

XLON

1234

638.00

 08:47:57

XLON

1146

637.80

 08:47:57

XLON

43

637.80

 08:47:57

XLON

1248

637.40

 08:51:10

XLON

1080

636.80

 08:51:10

XLON

1105

636.60

 08:53:49

XLON

1300

635.80

 08:54:35

XLON

927

635.00

 08:54:54

XLON

262

635.00

 08:54:54

XLON

49

635.40

 08:55:04

XLON

1071

635.40

 08:55:04

XLON

742

635.40

 08:55:04

XLON

1181

635.40

 08:55:04

XLON

1250

635.40

 08:55:04

XLON

474

637.20

 08:55:43

XLON

454

637.20

 08:55:43

XLON

1306

637.40

 08:55:46

XLON

388

637.20

 08:55:47

XLON

1093

637.00

 08:55:51

XLON

949

637.00

 08:55:51

XLON

150000

637.00

 08:56:02

XLON

1109

636.40

 08:56:28

XLON

1164

635.80

 08:59:51

XLON

1124

635.40

 09:01:11

XLON

912

635.00

 09:01:35

XLON

299

635.00

 09:01:35

XLON

1175

637.20

 09:09:18

XLON

1264

638.80

 09:16:49

XLON

204

638.80

 09:16:49

XLON

1294

638.80

 09:16:49

XLON

1257

638.60

 09:16:49

XLON

1122

640.60

 09:21:48

XLON

75

640.60

 09:21:48

XLON

1197

640.40

 09:21:56

XLON

1871

641.20

 09:26:56

XLON

1216

641.20

 09:26:56

XLON

513

641.60

 09:30:32

XLON

817

641.60

 09:30:32

XLON

1232

641.20

 09:31:03

XLON

1297

641.20

 09:32:25

XLON

46

641.40

 09:35:38

XLON

1249

641.40

 09:35:38

XLON

640

641.20

 09:39:25

XLON

532

641.20

 09:39:25

XLON

1302

641.40

 09:45:33

XLON

783

641.40

 09:49:26

XLON

332

641.40

 09:49:26

XLON

1207

641.40

 09:49:26

XLON

1208

640.80

 09:51:42

XLON

638

640.40

 09:52:25

XLON

458

640.40

 09:52:25

XLON

1113

640.00

 09:52:29

XLON

542

639.40

 09:54:41

XLON

670

639.40

 09:54:41

XLON

1082

639.60

 10:01:28

XLON

154

639.60

 10:01:28

XLON

1186

639.60

 10:01:28

XLON

1160

639.00

 10:01:32

XLON

1316

639.40

 10:07:05

XLON

1288

640.00

 10:11:24

XLON

1158

639.80

 10:11:56

XLON

490

639.80

 10:14:34

XLON

513

639.80

 10:15:30

XLON

131

639.80

 10:15:30

XLON

510

639.80

 10:18:47

XLON

774

639.80

 10:22:45

XLON

519

639.80

 10:22:45

XLON

682

639.80

 10:22:45

XLON

1584

640.60

 10:27:48

XLON

1169

640.40

 10:27:48

XLON

656

641.20

 10:30:23

XLON

600

641.20

 10:30:23

XLON

2102

641.20

 10:30:23

XLON

1234

641.20

 10:30:23

XLON

1219

641.00

 10:32:05

XLON

7

641.20

 10:33:51

XLON

904

641.20

 10:33:51

XLON

216

641.20

 10:33:51

XLON

195

641.20

 10:33:51

XLON

810

641.80

 10:43:26

XLON

810

641.80

 10:43:26

XLON

1126

641.60

 10:44:33

XLON

1180

641.40

 10:45:45

XLON

1257

641.60

 10:47:36

XLON

486

642.40

 10:51:43

XLON

633

642.40

 10:51:43

XLON

1252

642.40

 10:51:43

XLON

506

642.40

 10:57:33

XLON

825

642.40

 10:57:33

XLON

461

643.40

 11:02:10

XLON

722

643.40

 11:02:10

XLON

1230

643.20

 11:02:15

XLON

841

642.60

 11:03:56

XLON

309

642.60

 11:03:56

XLON

590

642.60

 11:07:31

XLON

539

642.60

 11:07:31

XLON

1216

642.60

 11:12:10

XLON

1229

642.20

 11:17:55

XLON

288

642.20

 11:17:55

XLON

866

642.20

 11:17:55

XLON

128

642.20

 11:17:55

XLON

416

642.00

 11:17:55

XLON

710

642.00

 11:17:55

XLON

480

642.20

 11:19:25

XLON

837

642.20

 11:19:25

XLON

1458

642.80

 11:27:28

XLON

12

642.80

 11:34:00

XLON

1096

642.80

 11:34:00

XLON

1224

642.80

 11:34:00

XLON

348

642.60

 11:34:00

XLON

600

642.80

 11:34:00

XLON

126

642.80

 11:34:00

XLON

1319

642.80

 11:35:44

XLON

1312

643.60

 11:42:55

XLON

319

644.20

 11:48:40

XLON

2620

644.20

 11:48:40

XLON

580

644.20

 11:48:40

XLON

1469

644.20

 11:48:40

XLON

1305

644.00

 11:51:34

XLON

136

643.80

 11:51:46

XLON

1053

643.80

 11:53:10

XLON

1317

643.60

 11:53:10

XLON

1317

643.40

 11:54:11

XLON

1220

642.80

 11:56:44

XLON

1168

642.40

 11:56:44

XLON

1324

642.00

 11:56:44

XLON

60000

642.60

 11:57:18

XLON

50000

642.80

 12:01:46

XLON

1200

642.60

 12:02:44

XLON

1232

642.80

 12:07:52

XLON

1305

643.20

 12:14:49

XLON

1294

643.00

 12:16:51

XLON

1274

641.80

 12:23:42

XLON

1205

640.40

 12:32:07

XLON

1074

641.20

 12:43:22

XLON

1100

641.80

 12:44:00

XLON

1302

641.60

 12:44:43

XLON

125

641.60

 12:44:43

XLON

1549

641.60

 12:44:43

XLON

1098

641.20

 12:45:00

XLON

1235

641.00

 12:48:06

XLON

1124

640.40

 12:56:07

XLON

730

639.80

 13:02:02

XLON

553

639.80

 13:02:02

XLON

204

639.20

 13:07:55

XLON

1009

639.20

 13:07:58

XLON

388

639.40

 13:10:31

XLON

907

639.40

 13:10:31

XLON

1071

639.00

 13:11:19

XLON

348

639.40

 13:18:10

XLON

348

639.40

 13:18:10

XLON

585

639.40

 13:18:10

XLON

863

639.40

 13:18:10

XLON

288

639.40

 13:18:10

XLON

84

639.40

 13:18:10

XLON

1267

639.40

 13:30:40

XLON

1386

639.20

 13:32:50

XLON

636

639.00

 13:34:08

XLON

494

639.00

 13:34:08

XLON

1235

639.00

 13:34:09

XLON

1113

638.60

 13:34:15

XLON

1221

638.40

 13:36:29

XLON

1916

639.80

 13:49:52

XLON

517

639.80

 13:49:52

XLON

250

639.80

 13:49:52

XLON

233

639.80

 13:49:52

XLON

128

639.80

 13:49:52

XLON

147

639.80

 13:49:52

XLON

1100

639.60

 13:49:52

XLON

1235

640.00

 13:53:13

XLON

1146

639.80

 13:55:46

XLON

2400

640.80

 14:02:42

XLON

1176

640.60

 14:02:57

XLON

1146

640.60

 14:02:57

XLON

780

640.20

 14:03:38

XLON

449

640.20

 14:03:38

XLON

734

639.60

 14:03:39

XLON

381

639.60

 14:03:39

XLON

1112

639.20

 14:04:44

XLON

1148

637.80

 14:07:48

XLON

561

637.40

 14:11:24

XLON

746

637.40

 14:11:24

XLON

1150

637.20

 14:11:49

XLON

1068

636.80

 14:14:14

XLON

176

636.80

 14:14:14

XLON

126

637.00

 14:15:47

XLON

1193

637.00

 14:15:47

XLON

1237

636.60

 14:16:09

XLON

1283

635.60

 14:17:37

XLON

1324

637.20

 14:24:12

XLON

1131

637.00

 14:24:14

XLON

314

637.00

 14:24:14

XLON

520

637.20

 14:24:14

XLON

224

637.20

 14:24:14

XLON

250

637.20

 14:24:14

XLON

117

637.20

 14:24:14

XLON

1333

636.80

 14:24:16

XLON

1402

637.00

 14:29:09

XLON

1382

636.80

 14:30:00

XLON

1295

636.80

 14:30:00

XLON

1317

636.80

 14:30:00

XLON

1145

636.40

 14:31:01

XLON

2341

638.00

 14:33:08

XLON

421

638.00

 14:33:08

XLON

1300

637.80

 14:33:16

XLON

1091

637.60

 14:34:41

XLON

558

637.60

 14:35:28

XLON

1344

638.20

 14:37:15

XLON

296

638.20

 14:37:15

XLON

94

638.20

 14:37:15

XLON

1010

638.20

 14:37:15

XLON

908

638.00

 14:37:28

XLON

223

638.00

 14:37:28

XLON

1160

638.00

 14:39:14

XLON

119

638.00

 14:39:14

XLON

1228

637.80

 14:39:16

XLON

1077

637.40

 14:39:50

XLON

1078

637.20

 14:40:03

XLON

879

638.20

 14:41:54

XLON

343

638.20

 14:41:54

XLON

1218

638.00

 14:41:56

XLON

1284

637.60

 14:43:18

XLON

1133

637.40

 14:43:32

XLON

1089

637.00

 14:43:40

XLON

1326

637.20

 14:48:02

XLON

291

638.00

 14:48:27

XLON

1429

638.00

 14:48:27

XLON

1310

638.00

 14:48:27

XLON

558

638.00

 14:48:27

XLON

700

638.00

 14:48:27

XLON

1185

637.80

 14:50:04

XLON

498

639.60

 14:51:19

XLON

932

639.80

 14:52:03

XLON

8

640.00

 14:52:08

XLON

627

640.00

 14:52:08

XLON

43

640.00

 14:52:08

XLON

271

640.00

 14:52:08

XLON

1133

640.00

 14:52:08

XLON

1289

640.00

 14:52:08

XLON

1170

639.80

 14:52:09

XLON

1524

639.60

 14:52:30

XLON

1281

639.40

 14:53:07

XLON

1151

639.20

 14:53:26

XLON

1087

639.20

 14:55:44

XLON

1469

640.20

 14:58:38

XLON

1099

640.20

 14:58:38

XLON

1038

639.80

 15:00:00

XLON

312

639.80

 15:00:00

XLON

1240

639.80

 15:00:00

XLON

922

639.80

 15:00:00

XLON

197

639.80

 15:00:00

XLON

1184

639.80

 15:00:00

XLON

1565

639.60

 15:00:00

XLON

1270

639.40

 15:00:26

XLON

1226

639.20

 15:02:50

XLON

1068

639.00

 15:03:16

XLON

154

639.00

 15:03:16

XLON

1256

638.80

 15:03:17

XLON

1184

639.00

 15:03:50

XLON

1364

638.80

 15:04:03

XLON

511

638.80

 15:05:00

XLON

703

638.80

 15:05:00

XLON

1205

639.40

 15:05:46

XLON

87

639.40

 15:05:46

XLON

502

639.40

 15:05:52

XLON

296

639.40

 15:05:52

XLON

106

639.40

 15:05:52

XLON

127

639.40

 15:05:52

XLON

2044

639.40

 15:06:16

XLON

1312

639.40

 15:06:16

XLON

525

639.60

 15:07:28

XLON

1140

639.80

 15:08:03

XLON

16

640.00

 15:09:04

XLON

132

640.20

 15:09:04

XLON

1844

640.20

 15:09:04

XLON

462

640.20

 15:09:04

XLON

299

640.20

 15:10:04

XLON

1009

640.20

 15:10:04

XLON

1297

640.20

 15:10:04

XLON

1148

640.20

 15:11:06

XLON

2232

640.20

 15:11:06

XLON

583

641.20

 15:13:05

XLON

566

641.20

 15:13:05

XLON

1185

641.20

 15:13:05

XLON

795

641.20

 15:14:07

XLON

765

641.20

 15:14:07

XLON

2130

641.40

 15:15:04

XLON

7

642.20

 15:16:32

XLON

474

642.20

 15:16:32

XLON

57

642.20

 15:16:32

XLON

1

642.20

 15:16:32

XLON

4

642.20

 15:16:32

XLON

669

642.20

 15:16:39

XLON

212

642.20

 15:16:39

XLON

1087

642.00

 15:16:39

XLON

619

642.00

 15:16:39

XLON

1758

642.20

 15:17:05

XLON

1466

642.00

 15:18:04

XLON

214

642.00

 15:18:04

XLON

1071

642.00

 15:18:04

XLON

1286

642.40

 15:20:00

XLON

1739

642.20

 15:20:24

XLON

145

642.00

 15:20:25

XLON

638

642.00

 15:20:25

XLON

464

642.00

 15:20:25

XLON

1101

641.80

 15:21:06

XLON

887

641.60

 15:22:20

XLON

283

641.60

 15:22:20

XLON

4

641.80

 15:23:28

XLON

1746

641.60

 15:24:00

XLON

1708

641.40

 15:24:31

XLON

1154

641.20

 15:24:41

XLON

1218

641.00

 15:27:23

XLON

443

641.20

 15:29:00

XLON

798

641.20

 15:29:00

XLON

1182

641.00

 15:29:50

XLON

1080

641.00

 15:29:50

XLON

1396

640.80

 15:30:00

XLON

932

640.60

 15:30:25

XLON

217

640.60

 15:30:30

XLON

1103

640.60

 15:30:30

XLON

1180

640.40

 15:30:30

XLON

1181

640.00

 15:30:40

XLON

1103

639.20

 15:31:00

XLON

124

638.80

 15:31:16

XLON

1088

638.80

 15:31:16

XLON

1238

638.00

 15:31:23

XLON

811

640.00

 15:33:51

XLON

144

640.00

 15:33:51

XLON

339

640.00

 15:33:51

XLON

918

640.00

 15:34:51

XLON

1242

640.20

 15:34:51

XLON

1343

640.80

 15:40:01

XLON

1035

640.80

 15:40:06

XLON

7000

640.80

 15:40:06

XLON

2356

640.80

 15:40:06

XLON

7000

640.80

 15:40:06

XLON

12239

640.80

 15:40:06

XLON

4472

640.80

 15:40:06

XLON

211

640.80

 15:40:06

XLON

1089

640.80

 15:40:06

XLON

1178

640.60

 15:40:06

XLON

1352

641.00

 15:43:55

XLON

517

641.00

 15:43:55

XLON

92

641.00

 15:43:55

XLON

575

641.00

 15:43:55

XLON

697

641.00

 15:44:19

XLON

246

641.00

 15:44:19

XLON

1110

640.80

 15:44:19

XLON

1207

640.60

 15:44:19

XLON

1767

641.20

 15:47:29

XLON

222

641.20

 15:47:29

XLON

600

641.20

 15:47:29

XLON

1231

641.00

 15:47:32

XLON

232

640.60

 15:49:02

XLON

511

640.60

 15:49:15

XLON

544

640.60

 15:49:46

XLON

1274

640.60

 15:49:46

XLON

1819

640.40

 15:50:36

XLON

1648

640.20

 15:51:01

XLON

181

640.00

 15:52:02

XLON

2314

641.00

 15:53:20

XLON

697

641.00

 15:53:25

XLON

229

641.00

 15:53:25

XLON

574

641.00

 15:53:25

XLON

250

641.00

 15:53:25

XLON

1086

640.80

 15:53:26

XLON

534

640.00

 15:55:04

XLON

1042

640.00

 15:55:04

XLON

600

640.00

 15:55:12

XLON

144

640.00

 15:55:12

XLON

219

640.00

 15:55:12

XLON

41

639.80

 15:56:39

XLON

3926

640.20

 15:58:20

XLON

1735

640.00

 15:58:20

XLON

69

640.00

 15:58:20

XLON

1262

640.00

 15:58:20

XLON

1222

640.20

 16:00:52

XLON

697

640.20

 16:00:52

XLON

78

640.20

 16:01:02

XLON

11

640.20

 16:01:02

XLON

33

640.20

 16:01:02

XLON

11

640.20

 16:01:02

XLON

108

640.20

 16:01:02

XLON

420

640.20

 16:01:02

XLON

348

640.20

 16:01:02

XLON

592

640.20

 16:02:04

XLON

878

640.20

 16:02:33

XLON

1214

640.20

 16:02:33

XLON

697

640.20

 16:02:33

XLON

227

640.20

 16:02:33

XLON

24

640.20

 16:02:33

XLON

737

640.20

 16:02:33

XLON

217

640.20

 16:02:33

XLON

338

640.00

 16:03:16

XLON

979

640.00

 16:03:16

XLON

509

640.40

 16:05:05

XLON

1194

640.40

 16:05:08

XLON

1769

640.40

 16:05:08

XLON

1569

640.40

 16:05:08

XLON

414

640.60

 16:07:06

XLON

1459

640.60

 16:07:06

XLON

546

640.40

 16:07:23

XLON

566

640.40

 16:07:23

XLON

1155

640.40

 16:07:23

XLON

1120

640.20

 16:07:33

XLON

1873

640.40

 16:09:26

XLON

1074

640.20

 16:09:27

XLON

91

640.20

 16:09:27

XLON

872

640.20

 16:10:07

XLON

370

640.20

 16:10:07

XLON

379

640.00

 16:10:07

XLON

331

640.00

 16:10:07

XLON

3279

641.20

 16:14:38

XLON

431

641.20

 16:14:38

XLON

19

641.20

 16:14:38

XLON

1280

641.20

 16:15:05

XLON

5033

641.20

 16:15:05

XLON

872

641.20

 16:15:05

XLON

452

641.20

 16:15:05

XLON

198

641.20

 16:15:05

XLON

1125

641.20

 16:15:05

XLON

2

641.40

 16:16:22

XLON

4

641.60

 16:16:22

XLON

9

641.60

 16:16:22

XLON

4

641.60

 16:16:22

XLON

39

641.60

 16:16:22

XLON

872

641.80

 16:16:29

XLON

606

641.80

 16:16:29

XLON

94

641.60

 16:16:33

XLON

872

641.60

 16:16:33

XLON

1264

641.60

 16:17:12

XLON

1519

641.40

 16:17:25

XLON

99

641.40

 16:17:25

XLON

1361

641.40

 16:18:25

XLON

841

641.20

 16:18:25

XLON

408

641.20

 16:18:25

XLON

962

641.20

 16:19:25

XLON

303

641.20

 16:19:25

XLON

87

641.20

 16:19:26

XLON

571

641.20

 16:20:17

XLON

1746

641.20

 16:20:17

XLON

1183

641.00

 16:20:36

XLON

1415

641.00

 16:22:05

XLON

1667

641.00

 16:22:05

XLON

338

641.00

 16:22:05

XLON

1435

641.00

 16:22:06

XLON

1233

641.00

 16:22:06

XLON

389

641.40

 16:23:02

XLON

341

641.40

 16:23:02

XLON

7

641.40

 16:23:02

XLON

1112

641.40

 16:23:02

XLON

1728

641.40

 16:23:03

XLON

2

641.40

 16:23:18

XLON

2

641.40

 16:23:18

XLON

1161

641.40

 16:23:18

XLON

872

641.40

 16:23:33

XLON

420

641.40

 16:23:33

XLON

26

641.40

 16:23:33

XLON

420

641.40

 16:24:03

XLON

122

641.40

 16:24:03

XLON