Haleon plc: Transaction in own shares

23 September 2025: Haleon plc (the "Company" or "Haleon") today announces the purchase of 5,150,000 ordinary shares of £0.01 each in the Company (the "Shares") under the second tranche of its share buyback programme announced on 31 July 2025.

The Company intends to hold the purchased shares as treasury shares.

Following the settlement of the above, the Company's registered share capital is 8,952,353,648 ordinary shares of £0.01 each, of which 28,187,545 are held as treasury shares. Therefore, the number of ordinary shares with voting rights is 8,924,166,103 and this figure may be used by shareholders to determine if they are required to notify their interest, or a change to their interest, in Haleon under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 as it applies in the UK (the Market Abuse Regulation), a full breakdown of the individual trades is available at the link below:

http://www.rns-pdf.londonstockexchange.com/rns/3321A_1-2025-9-22.pdf

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

This announcement and individual trade breakdown will also be available on the Company's website at: www.haleon.com/investors.

About Haleon

Haleon (LSE/NYSE: HLN) is a global leader in consumer health, with a purpose to deliver better everyday health with humanity. Haleon's product portfolio spans six major categories - Oral Health, Vitamins, Minerals and Supplements (VMS), Pain Relief, Respiratory Health, Digestive Health and Therapeutic Skin Health and Other. Its long-standing brands - such as Advil, Centrum, Otrivin, Panadol, parodontax, Polident, Sensodyne, Theraflu and Voltaren - are built on trusted science, innovation and deep human understanding.

For more information, please visit www.haleon.com.