15 May 2026

RECKITT BENCKISER GROUP PLC

EMTN Programme: publication of Supplementary Prospectus

Reckitt Benckiser Group plc (the "Company") today announces that the following supplementary prospectus (the "Supplementary  Prospectus") has been approved by the UK Financial Conduct Authority and is available for viewing.

A supplement to the base prospectus dated 29 August 2025 (the "Base Prospectus") in respect of Reckitt Benckiser Treasury Services plc's £10,000,000,000 Euro Medium Term Note Programme, guaranteed by the Company.

A copy of the Supplementary Prospectus has been submitted to the National Storage Mechanism and will shortly be available for inspection at and can be downloaded from:

https://data.fca.org.uk/#/nsm/nationalstoragemechanism 

and

https://reckitt.com/investors/your-shareholding/debt-investors/

Contacts

Nick Ashworth                                                              +44 (0) 7408 812350

Investor Relations

Catheryn O'Rourke                                                       +44 (0) 1753 217 800

General Counsel & Company Secretary

About Reckitt*:

We make the products people trust to care for the ones they love. We are home to some of the world's best-loved consumer health and hygiene brands, including Dettol, Durex, Finish, Gaviscon, Harpic, Lysol, Mucinex, Nurofen, Strepsils, Vanish and Veet. Consumers are at the heart of everything we do. By creating innovative, science-backed solutions, we support people every day to live healthier lives.

Reckitt exists to protect, heal and nurture in the pursuit of a cleaner, healthier world. This commitment goes beyond the products we make. Through our actions, we expand access to healthcare, education and economic opportunities. We support the planet by reducing waste, conserving resources and driving sustainable innovation.

We believe good health starts at home. With every action we take, we strive to make our consumers' lives easier, cleaner and healthier, to strengthen communities and to create a more sustainable future.

* Reckitt is the trading name of the Reckitt Benckiser group of companies

Reckitt Benckiser Group plc's LEI code is 5493003JFSMOJG48V108.

This announcement does not constitute or form part of an offer to sell or the solicitation of an offer to subscribe for or otherwise acquire any securities.

The securities referred to herein and the guarantee thereof have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the "Securities Act"), or with any securities regulatory authority of any State or other jurisdiction of the United States, and are subject to Unites States tax law requirements. Subject to certain exceptions, the securities referred to herein may not be offered, sold or delivered in the United States (as defined in Regulation S under the Securities Act) or to, or for the account or benefit of, U.S. persons (as defined in the U.S. Internal Revenue Code of 1986, as amended, and regulations thereunder). The Base Prospectus may not be accessed from, or transmitted in or into, the United States. Accordingly, these securities may not be offered, sold or delivered in the United States.

Please note that the information contained in the Base Prospectus and Supplementary Prospectus may be addressed to and/or targeted at persons who are residents of particular countries (specified in the Base Prospectus) only and is not intended for use and should not be relied upon by any person outside these countries and/or to whom the offer contained in the Base Prospectus is not addressed. Prior to relying on the information contained in the Base Prospectus or the Supplementary Prospectus, you must ascertain from the Base Prospectus whether or not you are part of the intended addressees of the information contained therein.

Your right to access this service is conditional upon complying with the above requirements.