ConvaTec Regulatory News (CTEC)

18 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:

17 September 2025

Number of shares purchased:

688,220

Highest price paid per share

237.00

Lowest price paid per share

233.40

Volume weighted average price paid per share

235.65

The purchased shares will be held in treasury.

Following the purchase of these shares, the Company holds 22,864,420 of its ordinary shares in treasury and has 2,026,925,139 ordinary shares in issue (excluding treasury shares). The figure of 2,026,925,139 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

235.65

467,294

237.00

233.40

BATS Europe

236.16

32,820

237.00

235.00

Chi-X Europe

235.55

161,218

237.00

233.40

Aquis

235.66

26,888

236.60

233.40

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

08:15:34

10,781

233.4000

LSE

2421521

08:15:34

10,834

233.4000

LSE

2421519

08:15:34

9,840

233.4000

LSE

2421517

08:15:34

10,640

233.4000

LSE

2421515

08:15:34

5,552

233.4000

CHIX

2421513

08:15:34

6,154

233.4000

CHIX

2421511

08:15:34

5,680

233.4000

CHIX

2421509

08:15:34

6,617

233.4000

CHIX

2421507

08:22:50

1,810

233.4000

LSE

2429181

08:22:50

4,437

233.4000

Aquis

2429179

08:22:50

8,574

233.4000

LSE

2429177

08:43:19

9,978

235.0000

LSE

2451759

08:43:19

11,435

235.0000

LSE

2451757

08:43:19

10,774

235.0000

LSE

2451755

08:55:32

11,513

236.2000

LSE

2466198

08:55:32

5,944

236.2000

CHIX

2466196

09:09:10

4,192

236.6000

BATE

2481140

09:09:10

11,256

236.6000

LSE

2481142

09:24:36

11,110

237.0000

LSE

2493989

09:24:36

5,935

237.0000

CHIX

2493987

09:34:02

1,578

236.8000

BATE

2502189

09:34:02

1,915

236.8000

BATE

2502187

09:34:02

223

236.8000

BATE

2502185

09:34:02

753

236.8000

BATE

2502183

09:42:31

11,198

236.8000

LSE

2509707

09:44:51

3,839

236.6000

Aquis

2511610

10:14:13

11,383

237.0000

LSE

2537572

10:14:13

6,121

237.0000

CHIX

2537570

11:02:39

10,106

237.0000

LSE

2581405

11:02:39

6,759

237.0000

CHIX

2581403

11:02:39

4,891

237.0000

BATE

2581401

11:03:11

7,793

236.8000

LSE

2581710

11:03:11

2,765

236.8000

LSE

2581708

11:17:48

1,266

236.4000

Aquis

2591695

11:17:48

6,698

236.4000

LSE

2591697

11:17:48

2,617

236.4000

LSE

2591699

11:17:48

3,440

236.4000

Aquis

2591693

11:44:40

3,096

235.8000

LSE

2610683

11:44:40

7,238

236.0000

LSE

2610679

11:44:40

3,878

236.0000

LSE

2610681

11:44:40

2,167

236.0000

LSE

2610677

11:44:40

7,775

236.0000

LSE

2610675

11:44:40

10,740

236.0000

LSE

2610673

11:44:40

9,776

236.0000

LSE

2610671

11:44:40

11,316

236.0000

LSE

2610669

11:44:40

6,490

236.0000

CHIX

2610667

11:44:40

6,807

236.0000

CHIX

2610665

11:49:06

1,966

235.8000

CHIX

2613729

11:50:10

3,474

235.8000

CHIX

2614913

11:51:32

10,962

235.8000

LSE

2615747

11:51:32

1,362

235.8000

CHIX

2615745

11:51:32

331

235.8000

CHIX

2615743

12:02:01

3,605

235.6000

LSE

2622155

12:02:01

2,626

235.6000

LSE

2622157

12:02:01

3,739

235.6000

LSE

2622153

12:33:55

10,770

236.0000

LSE

2645385

12:33:55

6,544

236.0000

CHIX

2645383

13:01:50

10,822

235.6000

LSE

2667382

13:01:50

9,662

235.6000

LSE

2667380

13:01:50

6,911

235.6000

CHIX

2667378

13:01:50

4,930

235.6000

BATE

2667376

13:08:39

355

235.2000

Aquis

2672174

13:10:03

4,331

235.2000

Aquis

2673593

13:13:03

900

235.0000

CHIX

2675472

13:46:29

2,495

236.0000

LSE

2705396

13:46:29

2,327

235.8000

CHIX

2705394

13:47:26

6,270

235.8000

CHIX

2706256

13:47:26

3,756

235.8000

CHIX

2706254

13:47:53

98

235.8000

CHIX

2706578

14:00:06

1,564

236.2000

LSE

2719021

14:00:06

2,443

236.2000

LSE

2719023

14:00:06

4,404

236.2000

LSE

2719025

14:00:06

1,950

236.2000

LSE

2719027

14:05:35

9,480

236.0000

LSE

2725123

14:05:35

5,549

236.0000

LSE

2725121

14:05:35

3,772

236.0000

LSE

2725119

14:11:15

10,468

236.0000

LSE

2730598

14:11:15

9,700

236.0000

LSE

2730596

14:11:15

2,571

236.0000

BATE

2730594

14:11:15

1,906

236.0000

BATE

2730592

14:43:23

3,028

236.6000

LSE

2785258

14:51:55

5,163

236.6000

CHIX

2806037

14:51:55

1,246

236.6000

CHIX

2806035

14:52:46

1,546

236.4000

LSE

2807590

14:52:46

3,001

236.4000

LSE

2807592

14:52:46

3,796

236.4000

LSE

2807594

14:52:46

3,240

236.4000

LSE

2807596

14:52:46

10,197

236.4000

LSE

2807587

14:52:46

4,289

236.4000

BATE

2807585

14:52:46

5,913

236.4000

CHIX

2807583

14:52:46

4,687

236.4000

Aquis

2807581

14:54:09

1,080

236.0000

LSE

2810288

14:54:09

738

236.0000

LSE

2810286

14:54:11

6,523

235.8000

LSE

2810384

14:54:11

4,379

235.8000

LSE

2810381

14:54:11

611

235.8000

LSE

2810379

14:54:11

2,467

236.0000

LSE

2810377

14:54:11

6,076

236.0000

CHIX

2810375

14:54:11

920

236.0000

LSE

2810373

14:54:11

880

236.0000

LSE

2810371

14:54:11

1,080

236.0000

LSE

2810354

14:54:11

1,080

236.0000

LSE

2810352

14:54:11

960

236.0000

LSE

2810350

14:54:11

840

236.0000

LSE

2810348

15:09:14

10,665

236.6000

LSE

2848025

15:09:14

5,946

236.6000

CHIX

2848023

15:14:08

100

236.0000

CHIX

2860260

15:15:35

4,533

236.0000

Aquis

2864299

15:15:35

550

236.0000

CHIX

2864297

15:15:35

6,101

236.0000

CHIX

2864295

15:27:26

1,232

236.0000

LSE

2888755

15:27:26

3,131

236.0000

LSE

2888753

15:27:26

1,627

236.0000

LSE

2888751

15:30:42

5,955

235.8000

CHIX

2895917

15:30:42

10,332

235.8000

LSE

2895915

15:30:42

10,808

235.8000

LSE

2895919

15:30:42

94

235.8000

LSE

2895921

15:59:47

753

235.0000

CHIX

2946528

16:00:14

5,922

235.0000

CHIX

2950846

16:00:14

3,715

235.0000

LSE

2950844

16:00:14

7,909

235.0000

LSE

2950842

16:01:07

10,082

234.8000

LSE

2953707

16:01:10

4,738

234.6000

CHIX

2953821

16:01:10

2,034

234.6000

CHIX

2953823

16:05:06

3,251

235.0000

LSE

2961549

16:05:06

1,073

235.0000

LSE

2961547

16:05:06

1,900

235.0000

LSE

2961551

16:20:00

3,862

235.0000

CHIX

2989633

16:20:00

4,304

235.0000

BATE

2989631

16:20:00

11,271

235.0000

LSE

2989629

16:20:00

1,268

235.0000

BATE

2989627

16:20:00

2,509

235.0000

CHIX

2989625

16:21:00

1,970

235.0000

LSE

2991609

16:21:00

1,900

235.0000

LSE

2991605

16:21:00

407

235.0000

LSE

2991603

16:21:00

1,968

235.0000

CHIX

2991601

16:21:00

3,266

235.0000

LSE

2991599

16:21:00

578

235.0000

CHIX

2991597

16:21:00

1,400

235.0000

LSE

2991595

16:21:00

3,793

235.0000

LSE

2991593

16:21:00

2,303

235.0000

CHIX

2991607

16:21:00

3,503

235.0000

CHIX

2991591