Transaction in Own Shares

26 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:

25 November 2025

Number of shares purchased:

237,996

Highest price paid per share

236.00

Lowest price paid per share

234.80

Volume weighted average price paid per share

235.49

The purchased shares will be held in treasury.

Following the purchase of these shares, the Company holds 87,667,779 of its ordinary shares in treasury and has 1,962,121,780 ordinary shares in issue (excluding treasury shares). The figure of 1,962,121,780 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

235.57

74,943

236.00

235.00

BATS Europe

235.40

57,280

236.00

235.00

Chi-X Europe

235.48

73,905

236.00

234.80

Aquis

235.50

31,868

236.00

235.00

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

08:07:27

8,763

235.0000

Aquis

2748171

08:31:01

3,479

236.0000

Aquis

2771814

08:53:55

5,706

235.4000

Aquis

2792209

09:59:49

4,042

236.0000

Aquis

2848627

10:53:04

6,107

235.4000

Aquis

2886810

11:52:30

3,771

236.0000

Aquis

2926220

08:05:17

10,514

235.4000

BATE

2746162

08:07:27

9,131

235.0000

BATE

2748173

08:11:24

5,611

235.0000

BATE

2754824

08:53:55

884

235.4000

BATE

2792205

08:53:55

8,862

235.4000

BATE

2792211

09:28:58

2,198

236.0000

BATE

2823306

09:30:27

4,374

236.0000

BATE

2825081

10:41:51

5,438

235.8000

BATE

2879200

10:53:04

10,268

235.4000

BATE

2886812

08:05:17

5

235.2000

CHIX

2746179

08:05:17

6

235.2000

CHIX

2746173

08:05:17

110

235.2000

CHIX

2746171

08:05:17

2,450

235.2000

CHIX

2746167

08:05:17

7,996

235.6000

CHIX

2746156

08:06:08

149

235.2000

CHIX

2747034

08:06:18

23

235.0000

CHIX

2747185

08:06:18

505

235.0000

CHIX

2747183

08:06:18

7,454

235.2000

CHIX

2747181

08:07:28

4

234.8000

CHIX

2748189

08:07:28

4

234.8000

CHIX

2748187

08:07:28

68

234.8000

CHIX

2748185

08:07:28

1,511

234.8000

CHIX

2748179

08:11:24

9,440

235.0000

CHIX

2754826

08:53:55

10,495

235.4000

CHIX

2792207

09:28:58

100

236.0000

CHIX

2823304

09:30:27

4,704

236.0000

CHIX

2825083

09:30:27

2,321

236.0000

CHIX

2825079

09:37:35

2,233

235.4000

CHIX

2831164

10:30:22

254

235.8000

CHIX

2871796

10:30:23

7,430

235.8000

CHIX

2871810

10:45:49

16

235.4000

CHIX

2881976

10:45:49

19

235.4000

CHIX

2881974

10:45:49

345

235.4000

CHIX

2881972

10:49:11

3,543

235.4000

CHIX

2884079

10:53:04

5,919

235.4000

CHIX

2886808

11:52:30

6,801

236.0000

CHIX

2926222

08:05:17

6,166

235.4000

LSE

2746164

08:05:17

3,132

235.4000

LSE

2746160

08:05:17

8,744

235.6000

LSE

2746158

08:07:27

9,743

235.0000

LSE

2748175

08:53:55

8,975

235.4000

LSE

2792213

09:59:49

9,197

236.0000

LSE

2848629

10:09:55

397

235.4000

LSE

2856520

10:49:55

33

235.4000

LSE

2884505

10:53:04

9,160

235.4000

LSE

2886814

11:01:02

9,897

235.8000

LSE

2892990

11:52:30

9,499

236.0000

LSE

2926224