Transaction in Own Shares

28 August 2025

Convatec Group plc

("Convatec" or "the Company")

Transaction in own shares

The Company announces that it has purchased ordinary shares of 10 pence each ("shares") through UBS AG London Branch ("UBS"), as part of the share buyback programme of up to $300m announced on 20 August 2025 (the "Programme").

Date of purchase:

27 August 2025

Number of shares purchased:

1,247,374

Highest price paid per share

235.00

Lowest price paid per share

232.00

Volume weighted average price paid per share

233.33

The purchased shares will be held in treasury.

Following the purchase of these shares, the Company holds 3,962,101 of its ordinary shares in treasury and has 2,045,827,458 ordinary shares in issue (excluding treasury shares). The figure of 2,045,827,458 ordinary shares represents the total voting rights in the Company and may be used by shareholders as the denominator for the calculations by which they can determine if they are required to notify their interest in, or a change to their interest in, the Company under the Financial Conduct Authority's Disclosure Guidance and Transparency Rules.

This announcement is made in accordance with the requirements of UKLR 9.6.6R.

The table below contains detailed information about the purchases made as part of the Programme.

Aggregated information of ordinary shares purchased according to each trading venue:

Trading venue

Volume weighted average price paid (pence)

Aggregated volume

Highest price paid (pence)

Lowest price paid (pence)

London Stock Exchange

233.33

849,759

235.00

232.00

BATS Europe

233.35

86,564

234.40

232.60

Chi-X Europe

233.32

226,681

235.00

232.20

Aquis

233.32

84,370

234.60

232.60

In accordance with Article 5(1)(b) of Regulation (EU) No. 596/2014 (as incorporated into UK domestic law by the European Union (Withdrawal) Act 2018), a full breakdown of the individual trades made by UBS on behalf of the Company as part of the Programme is detailed below.

Enquiries

The person responsible for making this announcement is James Kerton, Company Secretary, Convatec Group Plc: [email protected]

Media: [email protected]

Investor Relations: [email protected]

Convatec Group Plc's LEI code is 213800LS272L4FIDOH92

Schedule of Purchases - Individual Transactions

Time of transaction

Volume

Price (GBp)

Trading venue

Transaction Reference Number

08:00:07

6,495

234.2000

LSE

3128703

08:02:15

1,000

235.0000

LSE

3148825

08:02:22

6,201

234.8000

LSE

3149033

08:02:22

7,185

235.0000

LSE

3149031

08:09:33

4,350

234.8000

LSE

3158718

08:09:33

1,911

234.8000

LSE

3158716

08:09:35

4,830

234.6000

Aquis

3158788

08:09:35

7,073

234.6000

CHIX

3158786

08:09:35

1,736

234.6000

Aquis

3158784

08:09:50

4,042

234.4000

BATE

3159380

08:09:50

2,026

234.4000

BATE

3159378

08:12:34

69

234.4000

LSE

3162425

08:12:34

6,383

234.4000

LSE

3162423

08:20:00

4,518

235.0000

LSE

3170229

08:20:00

4,845

235.0000

LSE

3170231

08:20:00

4,239

235.0000

LSE

3170233

08:20:00

7,152

235.0000

LSE

3170227

08:20:00

5,950

235.0000

CHIX

3170225

08:21:00

6,351

234.8000

LSE

3171514

08:21:24

6,440

234.6000

LSE

3171978

08:26:00

6,777

234.6000

CHIX

3177640

08:29:28

3,195

234.0000

LSE

3181186

08:29:28

1,598

234.0000

LSE

3181184

08:30:32

6,110

234.0000

LSE

3182987

08:31:04

558

233.8000

LSE

3183637

08:31:04

5,385

233.8000

LSE

3183639

08:35:13

591

234.2000

LSE

3188670

08:35:13

3,400

234.2000

LSE

3188668

08:44:33

75

234.2000

LSE

3199273

08:44:33

95

234.2000

BATE

3199275

08:44:33

3,026

234.2000

BATE

3199271

08:44:33

6,540

234.2000

CHIX

3199269

08:44:33

710

234.2000

CHIX

3199267

08:45:03

6,817

234.2000

Aquis

3200278

08:45:03

3,156

234.2000

BATE

3200280

08:45:03

6,593

234.2000

LSE

3200282

08:45:42

7,190

234.0000

LSE

3201301

08:59:04

6,983

234.2000

LSE

3218261

08:59:04

5,978

234.2000

LSE

3218259

08:59:04

6,604

234.2000

CHIX

3218257

08:59:20

2,011

234.2000

LSE

3218634

08:59:20

186

234.2000

LSE

3218632

09:03:16

542

234.0000

LSE

3223063

09:03:16

6,188

234.0000

LSE

3223065

09:13:56

6,355

233.8000

LSE

3234179

09:13:56

58

233.8000

LSE

3234177

09:18:42

189

233.6000

CHIX

3238061

09:18:57

6,807

233.8000

LSE

3238295

09:20:55

6,790

233.6000

BATE

3240266

09:20:55

2,936

233.6000

CHIX

3240264

09:20:55

4,045

233.6000

CHIX

3240268

09:22:58

219

233.4000

Aquis

3241674

09:25:01

4,793

233.6000

LSE

3243787

09:25:10

2,055

233.6000

LSE

3243907

09:26:46

3,186

233.4000

Aquis

3245064

09:28:54

4,302

233.6000

LSE

3246344

09:28:54

2,138

233.6000

LSE

3246342

09:31:04

1,995

233.6000

CHIX

3248528

09:34:43

5,083

233.8000

LSE

3251179

09:34:43

4,761

233.8000

LSE

3251177

09:34:43

7,222

233.8000

LSE

3251175

09:35:04

4,395

233.6000

CHIX

3251909

09:39:19

7,189

233.4000

LSE

3254948

09:39:19

2,535

233.4000

Aquis

3254946

09:39:36

4,450

233.4000

LSE

3255184

09:40:49

1,869

233.4000

LSE

3256908

09:40:49

1,000

233.4000

LSE

3256906

09:40:49

287

233.4000

LSE

3256904

09:43:49

667

233.0000

LSE

3259126

09:47:17

1,186

233.4000

LSE

3262395

09:47:17

1,889

233.4000

LSE

3262397

09:48:23

1,198

233.4000

LSE

3263433

09:48:23

1,377

233.4000

LSE

3263431

09:48:23

4,179

233.4000

LSE

3263429

09:58:59

6,482

233.2000

LSE

3272653

09:58:59

6,388

233.2000

CHIX

3272651

09:58:59

3

233.2000

CHIX

3272649

10:03:22

6,089

233.2000

LSE

3276771

10:08:37

5,347

233.4000

LSE

3281087

10:08:37

1,573

233.4000

LSE

3281085

10:14:19

6,177

233.4000

LSE

3288634

10:14:19

7,062

233.4000

CHIX

3288632

10:25:45

6,177

233.4000

LSE

3298321

10:25:45

6,294

233.6000

LSE

3298319

10:25:45

6,700

233.4000

Aquis

3298317

10:26:32

6,367

233.6000

CHIX

3298855

10:32:06

7,045

233.6000

LSE

3303486

10:33:21

92

233.6000

BATE

3304243

10:35:32

239

233.6000

BATE

3306055

10:35:32

92

233.6000

BATE

3306053

10:37:58

1,890

233.4000

LSE

3308434

10:37:58

3,200

233.4000

LSE

3308432

10:37:58

2,511

233.4000

BATE

3308430

10:37:58

4,228

233.4000

BATE

3308428

10:52:52

4,463

233.6000

LSE

3319152

10:52:52

6,735

233.6000

LSE

3319150

10:52:52

7,266

233.6000

CHIX

3319148

10:54:26

6,280

233.4000

LSE

3320303

10:58:54

4,148

233.0000

LSE

3324043

10:58:54

4,095

233.0000

LSE

3324041

10:58:54

6,459

233.2000

LSE

3324039

11:01:03

5,056

233.0000

LSE

3325936

11:01:53

6,242

233.0000

Aquis

3326314

11:13:41

7,018

233.6000

LSE

3333753

11:21:53

6,982

233.8000

LSE

3339178

11:24:59

4,493

233.6000

LSE

3341077

11:24:59

6,641

233.6000

LSE

3341075

11:24:59

4,348

233.6000

LSE

3341073

11:24:59

4,143

233.6000

LSE

3341071

11:24:59

6,330

233.6000

CHIX

3341069

11:24:59

6,514

233.6000

BATE

3341067

11:35:03

5,999

233.6000

LSE

3348986

11:35:06

199

233.6000

LSE

3349049

11:35:06

141

233.6000

LSE

3349047

11:35:06

830

233.6000

LSE

3349051

11:35:06

1,975

233.6000

LSE

3349053

11:35:06

473

233.6000

LSE

3349045

11:38:05

2,100

233.4000

CHIX

3350907

11:40:10

3,057

233.4000

CHIX

3352613

11:40:32

6,944

233.4000

LSE

3352789

11:40:32

1,604

233.4000

CHIX

3352787

11:49:45

6,759

232.8000

LSE

3358632

11:49:45

779

232.8000

CHIX

3358628

11:49:45

6,479

232.8000

CHIX

3358630

12:00:00

5,373

232.8000

Aquis

3366062

12:00:00

6,941

232.8000

BATE

3366058

12:00:00

3,309

232.8000

LSE

3366055

12:00:00

3,889

232.8000

LSE

3366053

12:00:00

880

232.8000

Aquis

3366050

12:00:00

1,520

232.8000

LSE

3366048

12:00:00

3,889

232.8000

LSE

3366046

12:00:00

1,843

232.8000

LSE

3366044

12:12:00

6,683

233.0000

LSE

3374403

12:13:24

249

232.8000

CHIX

3375248

12:15:36

1,995

233.0000

LSE

3376932

12:15:36

238

233.0000

LSE

3376930

12:17:54

2,866

232.8000

CHIX

3378266

12:19:36

2,005

233.0000

LSE

3379288

12:19:36

983

233.0000

LSE

3379286

12:22:32

6,816

232.8000

LSE

3381274

12:22:32

882

232.8000

Aquis

3381270

12:22:32

3,305

232.8000

CHIX

3381272

12:29:57

6,874

232.6000

LSE

3386030

12:29:57

5,943

232.6000

CHIX

3386028

12:43:59

4,351

232.6000

LSE

3397007

12:43:59

5,528

232.6000

LSE

3397005

12:43:59

2,007

232.6000

LSE

3397003

12:45:22

4,638

232.8000

LSE

3398325

12:46:25

3,034

233.0000

LSE

3399145

12:46:25

3,630

233.0000

LSE

3399143

12:57:26

2,957

232.8000

CHIX

3408120

12:59:28

4,071

232.8000

LSE

3409550

12:59:28

4,172

232.8000

CHIX

3409548

12:59:28

4,665

232.8000

LSE

3409556

12:59:28

6,146

232.8000

LSE

3409552

12:59:28

4,130

232.8000

LSE

3409554

12:59:28

6,354

232.8000

Aquis

3409546

12:59:28

7,271

232.8000

BATE

3409544

13:03:04

6,145

233.0000

LSE

3413041

13:07:11

6,511

232.8000

LSE

3416546

13:21:25

2,260

233.2000

LSE

3427601

13:21:25

904

233.2000

LSE

3427599

13:24:25

7,212

233.2000

LSE

3429939

13:25:36

820

233.0000

CHIX

3431477

13:28:01

4

233.0000

CHIX

3433832

13:29:25

6,424

233.2000

LSE

3435153

13:30:05

2,683

233.0000

CHIX

3436347

13:32:12

2,693

233.0000

CHIX

3438294

13:32:15

7,098

233.0000

LSE

3438339

13:32:15

7,042

233.0000

CHIX

3438337

13:32:56

6,412

233.0000

LSE

3438928

13:42:31

7,670

233.0000

LSE

3448358

13:48:25

2,674

232.8000

CHIX

3454230

13:50:01

2,737

232.8000

Aquis

3456012

13:50:37

5,963

232.8000

LSE

3456726

13:50:37

4,191

232.8000

CHIX

3456722

13:50:37

4,196

232.8000

Aquis

3456720

13:50:37

6,850

232.8000

BATE

3456724

13:52:09

7,320

232.8000

LSE

3457938

14:00:50

7,544

232.8000

LSE

3466494

14:09:04

6,729

233.0000

LSE

3474951

14:14:17

4,322

233.0000

LSE

3480100

14:14:17

6,897

233.0000

LSE

3480098

14:14:17

4,659

233.0000

LSE

3480096

14:14:17

4,426

233.0000

LSE

3480094

14:14:17

5,090

233.0000

LSE

3480092

14:14:17

6,304

233.0000

LSE

3480090

14:22:24

6,155

233.2000

LSE

3488498

14:22:29

4,037

233.0000

LSE

3488582

14:22:29

6,378

233.0000

LSE

3488580

14:22:29

6,933

233.0000

CHIX

3488578

14:23:15

6,359

233.0000

CHIX

3489376

14:28:19

6,909

233.0000

LSE

3495408

14:30:19

4,044

233.0000

LSE

3502684

14:30:33

2,609

233.0000

LSE

3503491

14:30:33

6,290

233.0000

BATE

3503489

14:32:05

6,410

232.8000

CHIX

3507135

14:32:05

6,837

232.8000

Aquis

3507133

14:33:00

6,980

232.4000

LSE

3509021

14:33:38

6,835

232.6000

CHIX

3510652

14:35:39

6,352

232.6000

LSE

3516084

14:35:51

702

232.6000

LSE

3516345

14:38:20

6,026

232.8000

LSE

3520542

14:47:27

7,064

234.0000

LSE

3538795

14:47:27

10,222

234.0000

LSE

3538793

14:50:41

5,211

234.2000

CHIX

3547456

14:50:50

8,124

234.2000

LSE

3547759

14:50:50

1,342

234.2000

CHIX

3547753

14:50:50

5,901

234.2000

Aquis

3547757

14:50:50

5,940

234.2000

BATE

3547755

14:51:05

5,994

234.0000

CHIX

3548266

14:56:28

3,938

234.0000

LSE

3560191

14:56:28

6,529

234.0000

LSE

3560189

14:56:28

4,204

234.0000

LSE

3560187

14:56:28

4,547

234.0000

LSE

3560185

14:56:28

6,394

234.0000

LSE

3560183

15:00:28

1,285

233.8000

LSE

3569352

15:00:28

5,119

233.8000

LSE

3569350

15:03:28

6,646

233.8000

LSE

3575475

15:05:57

6,197

233.6000

LSE

3581789

15:05:57

3,863

233.6000

LSE

3581787

15:05:57

7,174

233.6000

BATE

3581781

15:05:57

6,099

233.6000

CHIX

3581779

15:05:57

6,890

233.6000

Aquis

3581783

15:05:57

187

233.6000

LSE

3581785

15:08:30

5,886

233.4000

LSE

3586314

15:09:47

1,998

233.2000

CHIX

3588499

15:11:41

3,886

233.2000

LSE

3592626

15:15:29

6,499

233.4000

LSE

3600262

15:15:59

4,896

233.2000

CHIX

3601071

15:16:12

7,073

233.0000

LSE

3601462

15:16:12

4,500

233.0000

LSE

3601460

15:19:54

6,773

233.0000

LSE

3608015

15:25:54

6,903

233.0000

LSE

3622279

15:29:00

2,240

233.0000

LSE

3627233

15:29:00

2,790

233.0000

LSE

3627231

15:29:00

1,574

233.0000

LSE

3627229

15:29:04

5,701

232.8000

BATE

3627417

15:29:04

459

232.8000

BATE

3627415

15:29:04

6,767

232.8000

CHIX

3627419

15:31:20

1,822

232.8000

LSE

3632533

15:33:16

68

232.8000

LSE

3636144

15:33:24

6,255

232.8000

LSE

3636336

15:35:57

7,065

232.6000

LSE

3642744

15:35:57

6,087

232.6000

Aquis

3642746

15:35:57

2,079

232.6000

CHIX

3642740

15:35:57

4,567

232.6000

CHIX

3642742

15:37:35

4,391

232.4000

LSE

3646067

15:39:08

4,172

232.4000

LSE

3648435

15:39:08

4,058

232.4000

LSE

3648433

15:39:08

5,175

232.4000

LSE

3648431

15:39:08

5,893

232.4000

LSE

3648429

15:39:19

4,073

232.0000

LSE

3648782

15:39:19

4,450

232.0000

LSE

3648780

15:39:19

4,901

232.0000

LSE

3648778

15:39:19

4,621

232.0000

LSE

3648776

15:39:19

4,654

232.0000

LSE

3648774

15:39:19

4,300

232.0000

LSE

3648772

15:39:19

7,066

232.2000

CHIX

3648770

15:40:14

4,597

232.0000

LSE

3651701

15:43:50

6,085

232.6000

LSE

3657160

15:45:50

6,978

232.6000

LSE

3661388

15:48:41

4,433

232.6000

LSE

3666143

15:48:41

6,060

232.6000

LSE

3666145

15:52:56

11

232.4000

LSE

3674052

15:53:56

6,112

232.8000

LSE

3675464

15:54:25

6,511

232.6000

LSE

3676195

15:54:25

6,600

232.6000

CHIX

3676193

15:54:25

7,127

232.6000

BATE

3676191

15:57:25

848

232.6000

LSE

3681935

15:57:25

991

232.6000

LSE

3681933

15:58:49

5,902

233.2000

LSE

3683770

16:00:59

635

233.0000

CHIX

3690781

16:01:59

7,025

233.2000

LSE

3692446

16:02:00

5,968

233.0000

Aquis

3692497

16:02:00

5,947

233.0000

CHIX

3692495

16:04:14

7,124

233.2000

LSE

3695905

16:07:24

5,987

233.4000

LSE

3702940

16:09:29

6,684

233.4000

LSE

3706277

16:09:42

3,508

233.2000

LSE

3706551

16:09:42

3,194

233.2000

LSE

3706549

16:09:42

6,695

233.2000

CHIX

3706547