Transaction in Own Shares

5 January 2026

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 January 2026 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 580.1999 pence per share:

Number of ordinary shares purchased:

285,532

Highest purchase price paid per share:

584.80p

Lowest purchase price paid per share:

575.20p

Following the above transaction, the Company has 851,631,342 ordinary shares in issue and holds 4,776,532 ordinary shares in treasury. Therefore, the total number of voting rights in the Company is 846,854,810 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

2216

575.20

 08:17:15

XLON

15

575.20

 08:17:15

XLON

1872

575.80

 08:19:20

XLON

2047

577.00

 08:21:12

XLON

1890

577.40

 08:24:00

XLON

751

578.80

 08:25:48

XLON

1211

578.80

 08:25:48

XLON

1973

579.20

 08:26:25

XLON

2005

579.00

 08:28:32

XLON

2276

579.00

 08:28:32

XLON

2193

579.40

 08:33:17

XLON

99

579.40

 08:33:17

XLON

604

579.20

 08:41:10

XLON

1541

579.20

 08:41:10

XLON

1662

579.40

 08:46:40

XLON

570

579.40

 08:46:40

XLON

2180

578.80

 08:49:50

XLON

2175

578.60

 08:51:07

XLON

2207

578.20

 09:00:10

XLON

2236

578.60

 09:01:18

XLON

1956

578.40

 09:03:45

XLON

2145

579.00

 09:06:05

XLON

1849

578.80

 09:12:25

XLON

2247

580.00

 09:16:29

XLON

2243

580.60

 09:19:50

XLON

1197

580.20

 09:19:53

XLON

399

580.20

 09:19:53

XLON

344

580.20

 09:19:53

XLON

1979

580.80

 09:22:47

XLON

236

580.40

 09:26:53

XLON

1930

580.40

 09:26:53

XLON

578

580.00

 09:29:28

XLON

1723

580.00

 09:29:44

XLON

1926

579.00

 09:55:34

XLON

281

579.00

 09:55:34

XLON

2253

577.40

 10:16:24

XLON

2035

578.40

 10:24:54

XLON

2053

580.20

 10:37:46

XLON

2143

578.80

 10:43:14

XLON

2096

578.00

 11:01:15

XLON

1897

577.00

 11:15:35

XLON

2227

577.20

 11:24:53

XLON

969

577.20

 11:36:55

XLON

1028

577.20

 11:36:55

XLON

426

577.40

 12:04:06

XLON

1439

577.40

 12:04:06

XLON

1901

578.00

 12:23:31

XLON

230

578.00

 12:23:31

XLON

1723

578.40

 12:37:10

XLON

485

578.40

 12:37:10

XLON

2068

579.00

 12:45:30

XLON

2484

578.80

 12:48:43

XLON

233

578.80

 12:48:43

XLON

3167

579.40

 12:51:07

XLON

2131

580.20

 13:00:54

XLON

2021

579.80

 13:01:24

XLON

932

578.60

 13:03:21

XLON

379

578.60

 13:03:21

XLON

602

578.60

 13:03:21

XLON

2259

579.20

 13:06:49

XLON

891

578.40

 13:10:46

XLON

1011

578.40

 13:10:46

XLON

3343

578.20

 13:10:48

XLON

2251

578.00

 13:10:48

XLON

2267

578.20

 13:11:13

XLON

1982

578.40

 13:12:51

XLON

208

578.40

 13:14:20

XLON

1660

578.40

 13:14:20

XLON

2052

578.40

 13:15:07

XLON

240

578.00

 13:15:32

XLON

1770

578.00

 13:15:32

XLON

937

578.20

 13:20:51

XLON

554

578.20

 13:20:51

XLON

558

578.20

 13:20:51

XLON

814

578.60

 13:29:11

XLON

1446

578.60

 13:29:11

XLON

1864

578.20

 13:30:25

XLON

932

578.00

 13:50:39

XLON

2176

578.00

 13:51:02

XLON

1662

577.80

 13:55:36

XLON

424

577.80

 13:55:36

XLON

1883

577.80

 13:55:36

XLON

2096

577.60

 14:02:20

XLON

2310

578.00

 14:05:37

XLON

54

577.80

 14:09:03

XLON

2337

578.80

 14:14:18

XLON

2165

579.00

 14:15:46

XLON

2175

579.00

 14:15:46

XLON

2165

578.80

 14:15:46

XLON

2669

578.60

 14:15:50

XLON

2052

578.60

 14:20:21

XLON

870

578.40

 14:20:21

XLON

1008

578.40

 14:20:21

XLON

1609

578.60

 14:27:15

XLON

578

578.60

 14:27:15

XLON

1970

578.60

 14:30:15

XLON

2283

578.60

 14:30:15

XLON

2050

578.40

 14:30:20

XLON

369

578.40

 14:30:21

XLON

210

579.40

 14:31:42

XLON

1165

579.40

 14:31:42

XLON

2492

580.20

 14:31:50

XLON

1698

580.20

 14:31:50

XLON

76

580.00

 14:31:55

XLON

1987

580.00

 14:31:55

XLON

1165

580.00

 14:31:55

XLON

235

580.00

 14:31:55

XLON

1889

579.80

 14:31:56

XLON

1958

579.40

 14:31:59

XLON

2484

579.20

 14:33:26

XLON

220

579.00

 14:34:45

XLON

2085

579.00

 14:34:45

XLON

2164

580.60

 14:41:12

XLON

1960

580.40

 14:41:12

XLON

1055

580.20

 14:41:20

XLON

1197

580.20

 14:41:20

XLON

1851

580.20

 14:41:20

XLON

1963

581.00

 14:45:42

XLON

3673

580.80

 14:45:55

XLON

2721

581.40

 14:50:22

XLON

741

581.40

 14:50:22

XLON

1662

581.20

 14:51:44

XLON

405

581.20

 14:51:44

XLON

2739

581.80

 14:54:05

XLON

2024

581.60

 14:54:56

XLON

2146

581.40

 14:55:19

XLON

364

581.40

 14:55:19

XLON

717

581.60

 14:56:08

XLON

1157

581.60

 14:56:08

XLON

2088

581.40

 14:56:31

XLON

1

581.00

 14:59:30

XLON

709

581.00

 15:00:13

XLON

1349

581.00

 15:00:13

XLON

2007

581.80

 15:05:09

XLON

2065

582.20

 15:10:42

XLON

1922

582.40

 15:16:06

XLON

2172

583.00

 15:21:45

XLON

1977

582.60

 15:26:11

XLON

2004

582.20

 15:28:36

XLON

36

582.40

 15:29:00

XLON

36

582.40

 15:29:02

XLON

36

582.40

 15:29:03

XLON

36

582.40

 15:29:07

XLON

36

582.40

 15:29:07

XLON

36

582.40

 15:29:07

XLON

36

582.40

 15:29:24

XLON

2113

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:24

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:28

XLON

36

582.40

 15:29:34

XLON

36

582.40

 15:29:34

XLON

873

582.40

 15:29:34

XLON

36

582.40

 15:29:34

XLON

873

582.40

 15:29:34

XLON

36

582.40

 15:29:41

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

36

582.40

 15:29:51

XLON

100

582.40

 15:30:16

XLON

100

582.40

 15:30:16

XLON

1898

582.40

 15:30:16

XLON

100

582.40

 15:30:22

XLON

100

582.40

 15:30:22

XLON

100

582.40

 15:30:22

XLON

2134

582.40

 15:30:22

XLON

100

582.40

 15:30:22

XLON

100

582.40

 15:30:22

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:24

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:25

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:26

XLON

100

582.40

 15:30:27

XLON

100

582.40

 15:30:27

XLON

100

582.40

 15:30:27

XLON

100

582.40

 15:30:27

XLON

100

582.40

 15:30:27

XLON

100

582.40

 15:30:27

XLON

2122

582.80

 15:31:10

XLON

1054

583.20

 15:32:05

XLON

1104

583.20

 15:32:05

XLON

3010

583.00

 15:32:16

XLON

866

583.60

 15:34:09

XLON

1373

583.60

 15:34:09

XLON

2083

583.60

 15:36:38

XLON

1930

583.40

 15:36:39

XLON

2002

582.00

 15:44:26

XLON

1212

582.40

 15:44:33

XLON

2547

582.40

 15:44:33

XLON

873

582.40

 15:44:33

XLON

1157

582.40

 15:44:33

XLON

3477

582.20

 15:45:05

XLON

2531

582.00

 15:45:55

XLON

1953

582.00

 15:47:05

XLON

2210

583.00

 15:52:40

XLON

27

583.00

 15:52:40

XLON

2160

583.00

 15:52:40

XLON

1639

583.00

 15:53:36

XLON

487

583.00

 15:53:36

XLON

2129

583.80

 15:58:50

XLON

2227

584.40

 16:05:25

XLON

740

583.80

 16:11:03

XLON

1107

583.80

 16:11:03

XLON

1854

584.20

 16:14:29

XLON

2408

584.60

 16:17:46

XLON

1854

584.40

 16:19:48

XLON

78

584.60

 16:20:43

XLON

1919

584.60

 16:20:43

XLON

15

584.80

 16:23:07

XLON

2130

584.80

 16:23:15

XLON