Transaction in Own Shares

13 November 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:

12 November 2025

Number of shares purchased:

1,640,217

Highest price paid per share

237.40

Lowest price paid per share

236.00

Volume weighted average price paid per share

236.68

The purchased shares will be held in treasury.

Following the purchase of these shares, the Company holds 79,898,531 of its ordinary shares in treasury and has 1,969,891,028 ordinary shares in issue (excluding treasury shares). The figure of 1,969,891,028 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

236.66

926,178

237.40

236.00

BATS Europe

236.71

341,772

237.40

236.00

Chi-X Europe

236.76

221,936

237.20

236.20

Aquis

236.60

150,331

237.00

236.00

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

08:06:49

7,072

236.6000

LSE

2736845

08:06:49

1,583

236.6000

LSE

2736843

08:16:49

7,470

236.6000

BATE

2751647

08:16:49

2,698

236.6000

BATE

2751645

08:19:35

8,795

236.6000

BATE

2754562

08:19:35

616

236.6000

BATE

2754560

08:19:35

6,966

236.6000

LSE

2754558

08:19:35

1,681

236.6000

LSE

2754556

09:04:54

11,629

236.2000

LSE

2805757

09:05:20

3,072

236.8000

CHIX

2807040

09:05:22

591

236.8000

CHIX

2807103

09:05:23

6,289

236.8000

CHIX

2807138

09:05:45

4,128

236.8000

LSE

2807633

09:05:45

4,284

236.8000

LSE

2807631

09:05:45

1,130

236.8000

LSE

2807629

09:05:47

467

236.8000

LSE

2807657

09:11:23

1,934

236.8000

LSE

2813572

09:11:23

2,238

236.8000

LSE

2813570

09:11:23

1,627

236.8000

LSE

2813568

09:11:23

1,291

236.8000

LSE

2813566

09:11:23

1,614

236.8000

LSE

2813564

09:11:23

9,744

236.6000

BATE

2813556

09:11:23

9,205

236.8000

BATE

2813554

09:11:23

8,273

236.6000

Aquis

2813560

09:11:23

12,228

236.6000

LSE

2813558

09:11:31

147

236.6000

Aquis

2813960

09:12:26

666

236.6000

Aquis

2814801

09:12:27

346

236.6000

Aquis

2814834

09:19:48

3,331

237.2000

LSE

2823208

09:19:48

3,727

237.2000

LSE

2823206

09:19:48

2,448

237.2000

LSE

2823204

09:19:48

8,984

237.2000

LSE

2823202

09:19:48

7,301

237.2000

LSE

2823200

09:19:48

3,182

237.2000

BATE

2823198

09:19:48

1,629

237.2000

BATE

2823196

09:19:48

5,658

237.2000

BATE

2823194

09:19:48

10,490

237.4000

BATE

2823192

09:36:00

183

237.0000

BATE

2842319

09:38:06

835

236.8000

CHIX

2844199

09:38:06

10,046

236.8000

LSE

2844203

09:38:06

8,726

236.8000

CHIX

2844201

09:41:55

1

236.8000

BATE

2849574

09:47:34

10,663

237.2000

BATE

2856865

09:49:03

1

237.0000

Aquis

2858626

10:06:49

143

237.0000

BATE

2879953

10:08:06

1

237.0000

BATE

2881338

10:08:29

32

237.0000

LSE

2881629

10:08:29

759

237.0000

LSE

2881627

10:08:29

61

237.0000

BATE

2881624

10:09:55

325

237.0000

BATE

2883049

10:09:55

2,386

237.0000

Aquis

2883047

10:09:55

248

237.0000

Aquis

2883045

10:09:55

9,230

237.0000

BATE

2883033

10:09:55

1,639

237.0000

Aquis

2883035

10:09:55

2,622

237.0000

Aquis

2883037

10:09:55

32

237.0000

Aquis

2883039

10:09:55

1,323

237.0000

Aquis

2883041

10:09:55

1,352

237.0000

Aquis

2883043

10:09:55

9,541

237.0000

BATE

2883031

10:09:55

830

237.0000

Aquis

2883029

10:09:55

6,260

237.0000

BATE

2883027

10:09:55

8,666

237.0000

LSE

2883025

10:09:55

185

237.0000

BATE

2883023

10:09:55

3,790

237.0000

BATE

2883021

10:09:55

32

237.0000

LSE

2883019

10:09:55

147

237.0000

LSE

2883015

10:17:55

1

237.0000

BATE

2891061

10:49:56

3,597

237.0000

BATE

2920238

10:49:56

1,776

237.0000

BATE

2920236

10:49:56

8,862

237.0000

BATE

2920234

10:49:57

902

237.0000

Aquis

2920323

10:50:11

686

237.0000

LSE

2921313

10:51:51

1,332

237.0000

BATE

2922609

10:51:53

138

237.0000

LSE

2922654

10:51:53

439

237.0000

LSE

2922652

10:53:31

1,314

237.0000

LSE

2923860

10:53:32

105

237.0000

LSE

2923888

10:53:32

320

237.0000

LSE

2923886

10:55:12

169

237.0000

LSE

2926084

10:55:12

536

237.0000

LSE

2926082

10:56:30

5,650

237.0000

LSE

2927311

10:56:30

3,571

237.0000

LSE

2927309

10:56:30

10,573

237.0000

LSE

2927307

10:56:30

6,867

237.0000

LSE

2927305

10:56:30

519

237.0000

BATE

2927303

10:56:30

4,596

237.0000

BATE

2927297

10:56:30

6,921

237.0000

Aquis

2927295

10:56:30

9,682

237.0000

CHIX

2927293

10:56:30

10,090

237.0000

CHIX

2927299

10:56:30

6,830

237.0000

Aquis

2927301

11:17:35

1

237.0000

BATE

2949251

11:17:35

6,359

237.2000

LSE

2949245

11:17:35

8,976

237.2000

LSE

2949249

11:17:35

2,960

237.2000

LSE

2949247

11:18:54

9,612

237.0000

LSE

2950042

11:18:54

3,349

237.0000

LSE

2950040

11:18:54

6,035

237.0000

LSE

2950038

11:18:54

7,980

237.0000

BATE

2950036

11:18:54

9,577

237.0000

CHIX

2950034

11:18:54

2,246

237.0000

BATE

2950032

11:18:54

9,727

237.0000

LSE

2950044

11:23:07

9,413

236.6000

LSE

2954234

11:23:07

10,256

236.6000

LSE

2954236

11:23:07

9,925

236.6000

CHIX

2954232

11:34:47

1,921

237.0000

LSE

2964428

11:34:47

7,684

237.0000

LSE

2964426

11:45:23

1,823

237.0000

LSE

2974571

11:46:07

1,104

237.0000

LSE

2975196

11:46:07

2,540

237.0000

LSE

2975194

11:48:20

9,204

237.0000

LSE

2976738

11:48:20

3,647

237.0000

LSE

2976736

11:48:20

8,869

237.0000

LSE

2976734

11:48:20

8,753

237.0000

CHIX

2976732

11:48:20

7,260

237.0000

Aquis

2976730

11:48:21

4,553

236.8000

LSE

2976755

11:48:21

4,501

236.8000

LSE

2976753

11:48:21

50

236.8000

LSE

2976751

11:48:21

5,301

236.8000

BATE

2976749

11:48:21

4,306

236.8000

BATE

2976747

11:48:30

9,705

236.6000

LSE

2976876

11:51:49

541

236.6000

LSE

2980045

11:51:49

3,717

236.6000

LSE

2980041

11:51:49

2,937

236.6000

LSE

2980043

11:51:49

2,610

236.6000

LSE

2980047

11:51:49

1,180

236.6000

LSE

2980049

11:51:49

2,351

236.6000

LSE

2980051

11:51:49

6,156

236.6000

LSE

2980039

12:04:05

6,278

236.8000

Aquis

2990245

12:04:11

5,719

237.0000

LSE

2990288

12:04:11

3,726

237.0000

LSE

2990286

12:20:27

8,619

236.8000

LSE

3005915

12:20:27

8,736

237.0000

LSE

3005911

12:20:27

10,048

237.0000

BATE

3005907

12:20:27

10,355

237.0000

LSE

3005909

12:20:27

10,331

237.2000

LSE

3005905

12:20:27

10,260

237.2000

LSE

3005903

12:20:27

8,798

237.2000

CHIX

3005901

12:27:16

7,588

236.6000

BATE

3011303

12:27:16

9,576

236.6000

CHIX

3011301

12:27:16

9,993

236.6000

LSE

3011305

12:27:16

3,029

236.6000

BATE

3011299

12:36:40

11,813

236.4000

LSE

3021215

12:36:40

9,403

236.4000

LSE

3021213

12:36:40

10,587

236.4000

LSE

3021211

12:36:40

10,356

236.4000

BATE

3021205

12:36:40

3,145

236.4000

CHIX

3021203

12:36:40

7,997

236.4000

Aquis

3021207

12:36:40

3,464

236.4000

CHIX

3021209

12:39:13

47

236.6000

LSE

3023251

12:40:13

10,119

236.6000

LSE

3024947

12:46:21

4,184

236.8000

LSE

3031457

12:46:37

10,656

236.6000

LSE

3031789

12:46:37

9,318

236.6000

LSE

3031791

12:55:03

62

236.4000

BATE

3040516

12:55:03

10,162

236.4000

LSE

3040514

12:55:03

10,539

236.4000

LSE

3040512

12:55:03

10,202

236.4000

LSE

3040510

12:55:03

10,482

236.4000

LSE

3040508

12:55:03

9,411

236.4000

BATE

3040506

12:55:03

7,246

236.4000

Aquis

3040504

12:55:03

6,234

236.4000

CHIX

3040502

12:55:04

49

236.2000

BATE

3040528

12:55:12

56

236.2000

BATE

3040643

12:56:29

302

236.2000

BATE

3041612

12:58:51

135

236.2000

BATE

3043859

12:59:31

171

236.2000

BATE

3044552

12:59:55

837

236.2000

Aquis

3044969

12:59:55

402

236.2000

BATE

3044955

13:00:32

5,038

236.4000

LSE

3046541

13:00:32

3,976

236.4000

LSE

3046539

13:00:32

670

236.4000

LSE

3046537

13:07:09

2,574

236.2000

Aquis

3052720

13:13:18

3,327

236.2000

LSE

3058254

13:13:18

758

236.0000

BATE

3058240

13:13:18

4,123

236.2000

LSE

3058230

13:13:18

2,128

236.2000

Aquis

3058232

13:13:18

8,646

236.2000

LSE

3058236

13:13:18

1,486

236.2000

Aquis

3058238

13:13:18

8,989

236.2000

LSE

3058234

13:13:18

465

236.2000

LSE

3058242

13:13:18

1,651

236.0000

BATE

3058246

13:13:18

5,087

236.2000

Aquis

3058248

13:13:18

2,121

236.0000

BATE

3058250

13:13:18

615

236.0000

BATE

3058252

13:13:18

5,394

236.0000

BATE

3058244

13:13:18

1,769

236.2000

LSE

3058224

13:13:18

2,536

236.2000

Aquis

3058222

13:13:18

10,617

236.2000

CHIX

3058220

13:13:18

9,267

236.2000

CHIX

3058226

13:13:18

10,069

236.2000

LSE

3058228

13:13:18

604

236.4000

BATE

3058218

13:13:22

1,594

236.0000

Aquis

3058284

13:14:00

9,128

236.0000

BATE

3059008

13:14:08

3,331

236.0000

Aquis

3059145

13:14:08

539

236.0000

Aquis

3059143

13:18:17

8,897

236.0000

LSE

3063158

13:18:17

4,552

236.0000

Aquis

3063152

13:18:17

3,732

236.0000

LSE

3063154

13:18:17

10,003

236.0000

BATE

3063156

13:18:17

7,776

236.0000

LSE

3063168

13:18:17

2,468

236.0000

Aquis

3063160

13:18:17

8,582

236.0000

LSE

3063164

13:18:17

1,217

236.0000

LSE

3063166

13:18:17

6,025

236.0000

LSE

3063162

13:46:36

951

236.4000

LSE

3094427

13:46:36

168

236.4000

LSE

3094425

13:46:36

970

236.4000

LSE

3094423

13:47:00

6,784

236.4000

LSE

3094861

13:47:00

2,249

236.4000

LSE

3094863

13:47:33

486

236.6000

BATE

3095805

13:52:34

9,546

236.2000

LSE

3101526

13:52:34

806

236.2000

LSE

3101524

13:52:34

9,317

236.4000

LSE

3101512

13:52:34

9,856

236.4000

CHIX

3101506

13:52:34

8,720

236.4000

BATE

3101508

13:52:34

9,119

236.4000

CHIX

3101510

13:52:34

9,717

236.4000

LSE

3101520

13:52:34

9,636

236.4000

LSE

3101514

13:52:34

9,100

236.4000

LSE

3101518

13:52:34

8,877

236.4000

LSE

3101522

13:52:34

9,570

236.4000

LSE

3101516

13:52:34

9,209

236.4000

BATE

3101504

13:52:34

10,012

236.4000

BATE

3101502

13:52:34

5,605

236.4000

CHIX

3101500

13:52:34

8,027

236.4000

Aquis

3101498

13:52:50

1,715

236.2000

Aquis

3101839

13:52:50

6,049

236.2000

Aquis

3101837

14:06:54

3,457

236.2000

LSE

3120751

14:06:54

2,621

236.2000

LSE

3120749

14:07:01

3,770

236.2000

LSE

3120893

14:07:01

4,204

236.2000

LSE

3120891

14:07:13

4,961

236.0000

Aquis

3121103

14:07:13

9,032

236.0000

LSE

3121101

14:07:13

9,311

236.0000

LSE

3121099

14:07:13

8,033

236.0000

LSE

3121097

14:07:13

8,720

236.0000

BATE

3121089

14:07:13

1,495

236.0000

BATE

3121085

14:07:13

1,404

236.0000

Aquis

3121087

14:07:13

11,103

236.0000

BATE

3121083

14:07:13

1,104

236.0000

BATE

3121091

14:07:13

1,286

236.0000

LSE

3121093

14:07:13

9,545

236.0000

LSE

3121095

14:23:51

10,018

236.4000

LSE

3143710

14:24:11

8,100

236.4000

LSE

3143989

14:24:11

9,519

236.4000

LSE

3143987

14:27:11

6,210

236.4000

LSE

3148724

14:27:11

3,696

236.4000

LSE

3148722

14:28:11

8,892

236.4000

LSE

3149967

14:28:11

8,810

236.4000

LSE

3149965

14:28:11

4,686

236.4000

LSE

3149963

14:28:11

10,456

236.4000

LSE

3149961

14:33:42

1,418

236.8000

LSE

3167715

14:33:42

1,418

236.8000

CHIX

3167717

14:33:42

1,430

236.8000

CHIX

3167719

14:33:42

1,350

236.8000

CHIX

3167721

14:33:42

802

236.8000

LSE

3167713

14:33:42

3,000

236.8000

LSE

3167711

14:33:42

628

236.8000

BATE

3167709

14:35:36

8,799

236.8000

BATE

3175296

14:39:19

9,658

237.0000

LSE

3184207

14:40:01

327

236.8000

LSE

3187135

14:40:01

860

236.8000

BATE

3187129

14:40:01

7,407

236.8000

CHIX

3187131

14:40:01

7,553

236.8000

LSE

3187133

14:40:01

954

236.8000

CHIX

3187143

14:40:01

8,000

236.8000

LSE

3187137

14:40:01

2,043

236.8000

BATE

3187139

14:40:01

1,245

236.8000

LSE

3187141

14:40:01

40

236.8000

Aquis

3187117

14:40:01

1,312

236.8000

BATE

3187119

14:40:01

2,333

236.8000

CHIX

3187121

14:40:01

3,284

236.8000

BATE

3187123

14:40:01

3,846

236.8000

BATE

3187125

14:40:01

6,256

236.8000

CHIX

3187127

14:40:01

3,203

237.0000

LSE

3187104

14:40:01

1,214

237.0000

LSE

3187102

14:40:01

6,035

237.0000

LSE

3187100

14:41:07

10,004

236.8000

LSE

3189359

14:41:07

1,155

236.8000

LSE

3189357

14:41:07

6,257

236.8000

Aquis

3189355

14:41:07

9,849

236.8000

LSE

3189361

14:41:07

10,633

236.8000

CHIX

3189353

14:41:07

9,096

236.8000

BATE

3189351

14:41:07

8,742

236.8000

Aquis

3189349

14:41:07

211

236.8000

CHIX

3189347

14:50:11

1,563

237.2000

CHIX

3214389

14:50:11

10,520

237.2000

LSE

3214391

14:52:52

7,627

237.2000

CHIX

3220754

14:54:05

8,726

237.0000

BATE

3223901

15:01:50

9,778

237.4000

LSE

3247730

15:07:07

2,332

237.2000

BATE

3261602

15:07:07

7,192

237.2000

BATE

3261600

15:09:53

6,722

237.0000

CHIX

3266355

15:09:53

1,749

237.0000

Aquis

3266357

15:09:53

2,043

237.0000

CHIX

3266353

15:09:53

6,457

237.0000

CHIX

3266351

15:09:53

3,263

237.0000

CHIX

3266349

15:09:53

4,601

237.0000

BATE

3266347

15:09:53

5,736

237.0000

BATE

3266345

15:09:53

770

237.0000

BATE

3266343

15:09:53

9,930

237.0000

LSE

3266339

15:09:53

8,779

237.0000

LSE

3266341

15:09:53

8,716

237.0000

LSE

3266337

15:09:53

9,102

237.0000

LSE

3266335

15:09:53

266

237.0000

LSE

3266333

15:09:58

2,021

237.0000

Aquis

3266500

15:10:01

1

237.0000

Aquis

3267962

15:10:44

1,361

237.0000

Aquis

3269512

15:11:17

2,665

237.0000

Aquis

3270457

15:17:57

10,464

237.0000

LSE

3285043

15:18:01

6,275

236.8000

LSE

3285169

15:18:01

6,472

236.8000

Aquis

3285167

15:18:01

3,553

236.8000

LSE

3285154

15:18:01

6,760

236.8000

LSE

3285152

15:18:01

5,906

236.8000

LSE

3285150

15:37:02

10,086

237.2000

LSE

3327756

15:41:43

9,664

237.0000

CHIX

3336292

15:41:43

8,760

237.0000

LSE

3336280

15:41:43

3,667

237.0000

CHIX

3336290

15:41:43

1,459

237.0000

BATE

3336276

15:41:43

7,638

237.0000

BATE

3336278

15:41:43

10,331

237.0000

BATE

3336274

15:41:43

5,717

237.0000

CHIX

3336282

15:41:43

8,436

237.0000

Aquis

3336284

15:41:43

9,586

237.0000

LSE

3336286

15:41:43

8,852

237.0000

LSE

3336288