Transaction in Own Shares

21 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:

20 August 2025

Number of shares purchased:

7,111

Highest price paid per share

238.40

Lowest price paid per share

238.40

Volume weighted average price paid per share

238.40

The purchased shares will be held in treasury.

Following the purchase of these shares, the Company holds 7,111 of its ordinary shares in treasury and has 2,049,782,448 ordinary shares in issue (excluding treasury shares). The figure of 2,049,782,448 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

-

-

-

-

BATS Europe

-

-

-

-

Chi-X Europe

-

-

-

-

Aquis

238.40

7,111

238.40

238.40

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: [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

08:03:21

5,535

238.4000

Aquis

2782146

08:03:21

1,576

238.4000

Aquis

2782144