Transaction in Own Shares

19 September 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:

18 September 2025

Number of shares purchased:

1,467,867

Highest price paid per share

237.20

Lowest price paid per share

235.00

Volume weighted average price paid per share

236.02

The purchased shares will be held in treasury.

Following the purchase of these shares, the Company holds 24,332,287 of its ordinary shares in treasury and has 2,025,457,272 ordinary shares in issue (excluding treasury shares). The figure of 2,025,457,272 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

236.01

1,015,165

237.20

235.00

BATS Europe

236.25

17,290

236.80

235.40

Chi-X Europe

236.08

317,740

236.80

235.40

Aquis

235.97

117,672

236.80

235.40

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: cosec@convatec.com

Media: MediaRelations@convatec.com

Investor Relations: IR@convatec.com

Convatec Group Plc's LEI code is 213800LS272L4FIDOH92

Schedule of Purchases - Individual Transactions

Time of transaction

Volume

Price (GBp)

Trading venue

Transaction Reference Number

08:06:45

2,381

235.6000

LSE

2116826

08:06:45

7,826

235.6000

LSE

2116821

08:06:45

10,964

235.8000

LSE

2116809

08:06:45

10,803

235.8000

LSE

2116807

08:06:45

1,958

235.8000

LSE

2116805

08:06:45

9,310

235.8000

LSE

2116803

08:06:45

5,349

235.8000

LSE

2116801

08:06:45

6,670

235.8000

CHIX

2116799

08:06:45

11,417

235.8000

LSE

2116797

08:06:45

4,532

235.8000

LSE

2116795

08:18:39

2,286

235.4000

Aquis

2133258

08:21:01

5,196

235.4000

CHIX

2136317

08:21:01

5,570

235.4000

CHIX

2136315

08:21:01

11,721

235.4000

LSE

2136313

08:21:01

5,043

235.4000

CHIX

2136311

08:21:01

3,346

235.4000

Aquis

2136309

08:21:01

5,924

235.4000

BATE

2136307

08:21:01

5,800

235.4000

CHIX

2136305

08:21:02

5,731

235.0000

LSE

2136354

08:21:02

5,665

235.0000

LSE

2136352

08:34:46

2,728

235.8000

LSE

2153903

08:34:46

4,400

235.8000

LSE

2153901

08:34:46

370

235.8000

LSE

2153905

08:34:46

3,197

235.6000

LSE

2153899

08:34:46

2,594

235.6000

Aquis

2153897

08:34:46

2,764

235.6000

Aquis

2153895

08:34:46

10,588

235.6000

LSE

2153893

08:34:46

2,526

235.6000

Aquis

2153891

08:34:46

6,492

235.6000

LSE

2153889

08:34:46

2,538

235.6000

Aquis

2153887

08:34:46

4,895

235.6000

LSE

2153885

08:34:46

10,910

235.6000

LSE

2153883

08:34:46

1,479

235.6000

LSE

2153881

08:34:46

6,224

235.6000

CHIX

2153875

08:34:46

10,763

235.6000

LSE

2153879

08:34:46

8,976

235.6000

LSE

2153877

09:06:18

10,532

236.8000

LSE

2199154

09:06:18

6,184

236.8000

CHIX

2199152

09:15:40

11,006

237.2000

LSE

2210187

09:15:40

12,157

237.2000

LSE

2210185

09:15:40

11,823

237.2000

LSE

2210183

09:16:12

7,518

237.0000

LSE

2210698

09:16:12

2,972

237.0000

LSE

2210696

09:17:34

1,654

236.8000

CHIX

2211830

09:17:34

241

236.8000

CHIX

2211834

09:17:34

1,814

236.8000

CHIX

2211832

09:17:34

236

236.8000

CHIX

2211836

09:17:34

259

236.8000

CHIX

2211838

09:18:25

1,129

236.8000

CHIX

2212685

09:32:43

4,384

236.6000

BATE

2225978

09:32:43

1,433

236.6000

BATE

2225980

09:32:43

10,567

236.8000

LSE

2225976

09:32:43

5,273

236.8000

CHIX

2225974

09:32:43

4,938

236.8000

CHIX

2225972

09:32:43

5,130

236.8000

Aquis

2225970

09:32:43

6,300

236.8000

CHIX

2225968

10:32:45

10,533

236.2000

LSE

2286952

10:32:45

9,161

236.2000

LSE

2286950

10:32:45

1,194

236.2000

LSE

2286948

10:32:45

2,732

236.2000

Aquis

2286946

10:32:45

2,471

236.2000

Aquis

2286944

10:32:45

2,454

236.2000

Aquis

2286942

10:32:45

6,656

236.2000

CHIX

2286940

10:32:50

7,761

236.0000

LSE

2287014

10:32:50

3,805

236.0000

LSE

2287016

10:32:50

3,075

236.0000

Aquis

2287018

10:32:50

5,534

236.0000

LSE

2287020

10:32:50

6,163

236.0000

LSE

2287022

10:32:50

6,198

236.0000

CHIX

2287012

10:40:15

5,319

236.8000

LSE

2294433

10:40:15

1,286

236.8000

LSE

2294435

10:40:15

455

236.8000

CHIX

2294437

10:40:15

319

236.8000

LSE

2294439

10:40:15

3,370

236.8000

LSE

2294441

10:40:15

6,535

236.8000

LSE

2294443

10:40:15

3,313

236.8000

LSE

2294445

10:40:15

6,417

236.8000

CHIX

2294431

10:40:15

7,370

236.8000

LSE

2294429

10:40:15

4,729

236.8000

LSE

2294427

10:40:15

5,088

236.8000

CHIX

2294425

10:40:42

229

236.6000

LSE

2294793

10:40:42

195

236.6000

LSE

2294789

10:40:42

2,792

236.6000

LSE

2294787

10:40:42

39

236.6000

LSE

2294785

10:40:42

3,689

236.6000

LSE

2294783

10:40:42

4,945

236.6000

LSE

2294781

10:59:52

2,141

236.8000

BATE

2312658

11:11:29

5,799

236.8000

CHIX

2323273

11:11:29

3,408

236.8000

BATE

2323277

11:11:29

5,163

236.8000

Aquis

2323275

11:11:29

1,240

236.8000

CHIX

2323279

11:11:29

11,657

236.8000

LSE

2323283

11:11:29

3,992

236.8000

CHIX

2323281

11:48:40

4,864

236.6000

CHIX

2354244

11:48:40

5,679

236.6000

CHIX

2354242

11:48:40

441

236.6000

LSE

2354230

11:48:40

1,420

236.6000

LSE

2354222

11:48:40

8,351

236.6000

LSE

2354224

11:48:40

2,124

236.6000

LSE

2354226

11:48:40

2,412

236.6000

LSE

2354228

11:48:40

5,038

236.6000

LSE

2354238

11:48:40

2,375

236.6000

LSE

2354232

11:48:40

8,251

236.6000

LSE

2354234

11:48:40

3,686

236.6000

LSE

2354236

11:48:40

6,360

236.6000

CHIX

2354240

12:00:01

5,751

236.0000

CHIX

2364280

12:03:27

11,333

236.2000

LSE

2367993

12:03:27

2,743

236.2000

Aquis

2367991

12:03:27

2,989

236.2000

Aquis

2367989

12:03:49

10,241

236.0000

LSE

2368321

12:03:49

711

236.0000

CHIX

2368319

12:03:49

3,357

236.0000

Aquis

2368317

12:29:05

2,911

236.6000

Aquis

2391701

12:29:05

11,809

236.6000

LSE

2391703

12:34:24

8,878

236.2000

LSE

2398130

12:34:24

2,413

236.2000

LSE

2398128

13:08:35

5,138

236.0000

CHIX

2428810

13:08:35

10,979

236.0000

LSE

2428808

13:08:35

6,541

236.0000

CHIX

2428806

13:08:35

7,415

236.0000

LSE

2428804

13:08:35

1,340

236.0000

LSE

2428802

13:08:35

5,800

236.0000

CHIX

2428800

13:08:35

605

236.0000

LSE

2428798

13:08:35

1,858

236.0000

LSE

2428796

13:12:54

6

235.8000

CHIX

2432415

13:15:52

7

235.8000

CHIX

2435074

13:16:35

9,913

235.8000

LSE

2435614

13:16:35

6,815

235.8000

CHIX

2435612

13:35:18

10,971

235.6000

LSE

2453228

13:35:18

2,990

235.6000

Aquis

2453226

13:35:18

10,942

235.6000

LSE

2453224

13:35:18

1,909

235.6000

Aquis

2453222

13:35:18

890

235.6000

Aquis

2453220

13:39:31

4,536

235.4000

LSE

2456383

13:39:31

1,056

235.4000

LSE

2456379

13:39:31

4,532

235.4000

LSE

2456381

13:40:21

5,859

235.4000

LSE

2457724

13:40:21

5,229

235.4000

LSE

2457722

13:40:21

9,142

235.4000

LSE

2457720

13:40:21

1,199

235.4000

LSE

2457718

13:40:21

263

235.4000

LSE

2457716

13:40:21

745

235.4000

LSE

2457714

13:58:41

1,016

235.4000

Aquis

2475784

13:59:32

880

235.4000

Aquis

2476495

14:00:12

3,349

235.4000

CHIX

2478245

14:12:01

2,134

236.0000

LSE

2492286

14:12:01

8,568

236.0000

LSE

2492288

14:12:01

3,455

236.0000

LSE

2492292

14:12:01

11,222

236.0000

LSE

2492290

14:12:01

7,980

236.0000

LSE

2492296

14:12:01

4,904

236.0000

CHIX

2492294

14:12:01

10,922

236.0000

LSE

2492298

14:12:01

2,652

236.0000

Aquis

2492300

14:12:01

2,425

236.0000

CHIX

2492284

14:12:01

4,659

236.0000

CHIX

2492282

14:12:01

1,811

236.0000

CHIX

2492280

14:12:01

4,798

236.0000

CHIX

2492278

14:30:34

1,357

236.0000

Aquis

2519228

14:30:34

10,842

236.0000

LSE

2519226

14:30:34

10,658

236.0000

LSE

2519224

14:30:34

10,360

236.0000

LSE

2519222

14:30:34

10,096

236.0000

LSE

2519220

14:30:34

2,136

236.0000

Aquis

2519218

14:30:34

6,746

236.0000

CHIX

2519216

14:31:19

4,636

235.6000

LSE

2521840

14:31:19

3,690

235.6000

LSE

2521838

14:31:19

2,278

235.6000

LSE

2521836

14:33:31

2,890

235.4000

Aquis

2528563

14:33:31

2,873

235.4000

Aquis

2528561

14:39:33

2,872

236.0000

LSE

2542501

14:39:33

3,122

236.0000

LSE

2542499

14:39:33

1,561

236.0000

LSE

2542497

14:39:33

5,262

235.8000

CHIX

2542495

14:39:33

6,844

235.8000

CHIX

2542493

14:42:10

5,179

235.8000

LSE

2548279

14:42:10

1,959

235.8000

LSE

2548277

14:42:10

3,411

235.8000

Aquis

2548263

14:42:10

7,018

235.8000

CHIX

2548267

14:42:10

785

235.8000

CHIX

2548265

14:42:10

10,839

235.8000

LSE

2548273

14:42:10

11,398

235.8000

LSE

2548269

14:42:10

1,344

235.8000

LSE

2548275

14:42:10

3,632

235.8000

LSE

2548271

14:44:36

7,822

235.8000

LSE

2552730

14:44:36

3,690

235.8000

LSE

2552728

14:45:36

11,097

235.8000

LSE

2556323

14:48:34

322

235.6000

Aquis

2562028

14:48:34

2,982

235.8000

LSE

2562026

14:48:34

1,000

235.8000

LSE

2562022

14:48:34

622

235.8000

LSE

2562020

14:48:34

2,956

235.8000

LSE

2562018

14:48:34

812

235.8000

LSE

2562016

14:48:34

2,022

235.8000

LSE

2562014

14:48:34

825

235.8000

LSE

2562012

14:48:34

812

235.8000

LSE

2562024

14:48:34

1,563

235.8000

LSE

2562010

14:48:34

388

235.8000

LSE

2562008

14:48:34

10,404

235.6000

LSE

2562002

14:48:34

11,930

235.6000

LSE

2562006

14:48:34

11,097

235.6000

LSE

2562004

14:56:15

747

235.6000

CHIX

2579890

14:57:08

1,272

235.6000

CHIX

2581516

14:57:55

2,142

235.8000

Aquis

2583098

14:57:55

168

235.8000

LSE

2583096

14:57:55

3,077

235.8000

LSE

2583094

14:57:55

7,292

235.8000

LSE

2583091

15:07:55

959

236.0000

LSE

2612733

15:07:55

1,033

236.0000

Aquis

2612731

15:07:55

3,949

236.0000

Aquis

2612729

15:07:55

1,220

236.0000

CHIX

2612713

15:07:55

10,353

236.0000

LSE

2612715

15:07:55

2,615

236.0000

CHIX

2612717

15:07:55

886

236.0000

LSE

2612719

15:07:55

7,456

236.0000

LSE

2612721

15:07:55

7,937

236.0000

LSE

2612723

15:07:55

2,864

236.0000

LSE

2612725

15:07:55

2,876

236.0000

LSE

2612727

15:07:55

5,782

236.0000

CHIX

2612711

15:11:38

3,798

236.2000

Aquis

2620905

15:11:38

10,823

236.2000

LSE

2620907

15:11:38

11,702

236.2000

LSE

2620909

15:11:38

5,517

236.2000

CHIX

2620903

15:11:38

652

236.2000

CHIX

2620901

15:12:40

10,971

236.0000

LSE

2622714

15:12:40

1,459

236.0000

CHIX

2622712

15:12:40

10,394

236.0000

LSE

2622710

15:12:40

5,803

236.0000

CHIX

2622708

15:12:40

6,676

236.0000

CHIX

2622706

15:12:40

2,900

236.0000

Aquis

2622704

15:13:34

7,282

235.6000

LSE

2624664

15:13:34

3,690

235.6000

LSE

2624662

15:13:34

11,954

235.6000

LSE

2624660

15:13:34

826

235.6000

LSE

2624658

15:20:21

2,918

235.6000

CHIX

2640941

15:20:30

609

235.6000

CHIX

2641196

15:28:41

1,784

236.0000

Aquis

2659775

15:35:44

3,059

236.2000

LSE

2675930

15:35:44

3,088

236.2000

LSE

2675928

15:37:44

104

236.2000

LSE

2679470

15:37:44

6

236.2000

LSE

2679468

15:40:14

5,994

236.2000

CHIX

2685361

15:49:04

9,835

236.2000

LSE

2701438

15:52:19

9,853

236.2000

LSE

2707667

15:52:19

7,180

236.2000

CHIX

2707657

15:52:19

3,769

236.2000

Aquis

2707653

15:52:19

3,440

236.4000

LSE

2707655

15:52:19

7,319

236.2000

CHIX

2707651

15:52:19

63

236.4000

LSE

2707659

15:52:19

3,606

236.2000

Aquis

2707661

15:52:19

327

236.4000

LSE

2707663

15:52:19

7

236.4000

LSE

2707665

15:52:19

686

236.4000

LSE

2707649

15:52:33

2,507

236.0000

Aquis

2708001

15:52:33

323

236.0000

CHIX

2707999

15:52:33

657

236.0000

CHIX

2707997

15:52:33

2,841

236.0000

LSE

2707987

15:52:33

11,091

236.0000

LSE

2707981

15:52:33

3,271

236.0000

CHIX

2707983

15:52:33

9,797

236.0000

LSE

2707985

15:52:33

765

236.0000

CHIX

2707989

15:52:33

7,012

236.0000

LSE

2707991

15:52:33

1,219

236.0000

LSE

2707993

15:52:33

6,999

236.0000

LSE

2707995

15:52:44

344

236.0000

CHIX

2708261

15:52:47

909

236.0000

Aquis

2708348

15:52:47

640

236.0000

CHIX

2708346

15:52:47

1,350

236.0000

CHIX

2708344

15:52:47

6,381

236.0000

LSE

2708342

15:52:47

4,532

236.0000

CHIX

2708340

15:52:47

3,693

236.0000

LSE

2708338

15:52:47

2,681

236.0000

LSE

2708332

15:52:47

815

236.0000

CHIX

2708330

15:52:47

589

236.0000

LSE

2708336

15:52:47

295

236.0000

LSE

2708334

15:52:47

827

236.0000

CHIX

2708328

15:59:16

100

236.0000

LSE

2718825

15:59:16

526

236.0000

LSE

2718823

15:59:16

526

236.0000

LSE

2718821

15:59:36

1,355

236.0000

LSE

2719374

15:59:45

1,421

236.0000

LSE

2720055

15:59:45

2,978

236.0000

LSE

2720057

16:00:13

1,900

236.0000

LSE

2724224

16:00:13

568

236.0000

LSE

2724222

16:00:28

3,228

236.0000

LSE

2724902

16:00:28

1,600

236.0000

LSE

2724900

16:00:34

2,106

236.0000

LSE

2725233

16:00:34

478

236.0000

LSE

2725231

16:00:34

21

236.0000

LSE

2725229

16:00:34

7,165

236.0000

LSE

2725227

16:02:19

427

235.8000

CHIX

2728912

16:02:22

454

236.0000

LSE

2728977

16:02:22

1,900

236.0000

LSE

2728979

16:02:22

3,390

236.0000

LSE

2728981

16:02:22

3,268

236.0000

LSE

2728983

16:04:34

378

235.8000

CHIX

2732714

16:05:00

1,212

235.8000

CHIX

2734586

16:05:54

1,970

236.0000

Aquis

2737332

16:08:00

6,363

236.0000

CHIX

2741501

16:10:00

7,276

236.0000

CHIX

2746428

16:10:00

3,775

236.0000

CHIX

2746372

16:10:00

3,363

236.0000

CHIX

2746365

16:10:57

2,067

236.0000

Aquis

2748598

16:11:05

168

236.0000

LSE

2748860

16:11:05

4,000

236.0000

LSE

2748858

16:11:05

3,116

236.0000

LSE

2748854

16:11:05

2,200

236.0000

LSE

2748856

16:11:12

156

236.0000

LSE

2749197

16:11:12

491

236.0000

LSE

2749195

16:11:12

6

236.0000

LSE

2749193

16:11:12

3,120

236.0000

LSE

2749191

16:11:12

4,000

236.0000

LSE

2749189

16:11:12

2,986

236.0000

LSE

2749187

16:11:14

737

235.8000

CHIX

2749244

16:11:20

2,120

235.8000

Aquis

2749447

16:11:20

2,167

235.8000

Aquis

2749445

16:11:20

1,817

235.8000

CHIX

2749443

16:11:20

4,225

235.8000

CHIX

2749441

16:11:20

15

235.8000

CHIX

2749439

16:11:20

7,593

235.8000

LSE

2749437

16:11:20

4,119

235.8000

CHIX

2749435

16:11:20

2,214

235.8000

LSE

2749431

16:11:20

77

235.8000

CHIX

2749429

16:11:20

49

235.8000

LSE

2749433

16:13:53

1,167

235.6000

Aquis

2753942

16:13:53

968

235.6000

Aquis

2753940

16:13:53

749

235.6000

LSE

2753938

16:13:53

10,317

235.6000

LSE

2753936

16:13:53

548

235.6000

LSE

2753934

16:13:53

61

235.6000

LSE

2753924

16:13:53

3,399

235.6000

LSE

2753926

16:13:53

6,118

235.6000

CHIX

2753928

16:13:53

4,536

235.6000

LSE

2753930

16:13:53

3,696

235.6000

LSE

2753932

16:17:32

1,275

235.8000

LSE

2762806

16:17:32

3,057

235.8000

LSE

2762804

16:17:32

1,300

235.8000

LSE

2762802

16:17:32

5,601

235.8000

LSE

2762800

16:21:27

1,355

235.8000

CHIX

2772343

16:21:27

1,928

235.8000

Aquis

2772337

16:21:28

2,142

235.8000

Aquis

2772386

16:21:37

3,470

235.8000

LSE

2772572

16:21:37

74

235.8000

LSE

2772570

16:21:37

3,104

235.8000

LSE

2772568

16:21:37

6

235.8000

LSE

2772566

16:21:50

1,931

235.8000

Aquis

2772917

16:23:46

1,231

235.6000

LSE

2777145

16:25:00

1,570

235.8000

LSE

2782566

16:25:26

259

236.0000

Aquis

2783659

16:25:26

501

236.0000

Aquis

2783657

16:25:26

190

236.0000

Aquis

2783655

16:25:26

16

236.0000

Aquis

2783653

16:25:26

6,161

235.8000

LSE

2783623

16:25:26

6,283

235.8000

LSE

2783621

16:25:26

1,762

235.8000

LSE

2783619

16:25:26

2,582

235.8000

LSE

2783625

16:25:26

3,631

235.8000

LSE

2783627

16:25:28

1,444

236.0000

Aquis

2783685

16:26:22

3,951

236.0000

CHIX

2785405

16:26:22

4,249

236.0000

CHIX

2785403

16:26:22

4,347

236.0000

CHIX

2785345