Gsk PlcLSE: GSK

Block Listing Application

Issued: 11 December 2025, London UK

Block Listing Application

Application has been made to the Financial Conduct Authority and the London Stock Exchange plc for a total of 250,000 Ordinary Shares of 31¼p each ('Shares') to be admitted to the Official List.

The Shares are being reserved under a block listing and will be issued under the GlaxoSmithKline plc Share Save Plan 2022.

When issued, the Shares will rank pari passu with the existing Ordinary Shares of 31¼p each.

Admission is expected to be effective on 12 December 2025.

V A Whyte

Company Secretary

11 December 2025

About GSK

GSK is a global biopharma company with a purpose to unite science, technology, and talent to get ahead of disease together. Find out more at www.gsk.com.

Registered in England & Wales:

No. 3888792

Registered Office:

79 New Oxford Street

London

WC1A 1DG