Half-year Report

Issued: 30 July 2025, London UK

GlaxoSmithKline Capital plc publication of Interim Management Report 2025

GlaxoSmithKline Capital plc (the "Company") today announced the publication on the GSK Group ("GSK") website, www.gsk.com *, of its Interim Management Report in respect of the period ended 30 June 2025.

In compliance with Listing Rule 9.6.1 of the UK Financial Conduct Authority ("FCA"), a copy of the Company's 2025 Interim Management Report has been submitted to the FCA'S National Storage Mechanism (NSM) submission portal via the Electronic Submission System (ESS).

The Company is applying the exemption available to it under the Disclosure and Transparency Rules 6.3.5(1A) and has made the regulated information available in unedited full text on the NSM, rather than setting out the full text of the regulated information within this announcement.

A copy of the Company's Interim Management Report in respect of the period ended 30 June 2025, which includes a description of the principal risks and uncertainties affecting it, together with a Directors' responsibility statement, can be viewed at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

V A WhyteCompany Secretary 30 July 2025

* https://www.gsk.com/en-gb/company/codes-standards-and-reports/#gsk-capital-plc-annual-reports

Cautionary statement regarding forward-looking statements

GSK cautions investors that any forward-looking statements or projections made by GSK, including those made in this announcement, are subject to risks and uncertainties that may cause actual results to differ materially from those projected. Such factors include, but are not limited to, those described in the "Risk Factors" section in GSK's Annual Report on Form 20-F for 2024, and GSK's Q2 Results for 2025.

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