Glaxosmithkline Pharmaceuticals Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 03/11/2026 ,inter alia, to consider and approve As per attachment

GlaxoSmithKline Pharmaceuticals Limited. GSK House, Dr. Annie Besant Road, Worli, Mumbai - 400 030 Tel No: +91 22 2495 9595 Fax No: +91 22 2495 9494 Web: www.gsk-india.com Email: askus@gsk.com 13th October 2026 BSE LIMITED THE NATIONAL STOCK EXCHANGE OF INDIA LIMITED Phiroze Jeejeebhoy Towers Exchange Plaza, 5th Floor, Plot No. C/1, G Block Dalal Street Bandra-Kurla Complex, Bandra (East) Mumbai - 400001 Mumbai - 400051 Dear Sir, Board Meeting Pursuant to Regulations 29 & 33 of the Listing Obligations and Disclosure Requirements Regulations, 2015 (LODR), this is to inform you that a meeting of the Board of Directors of our Company will be held on Tuesday, 3rd November 2026, inter-alia, to consider, approve and take on record the Un-audited financial results for the second quarter & half year ended 30th September 2026. Kindly take the same on records. Thanking you Yours faithfully For GlaxoSmithKline Pharmaceuticals Limited Ajay Nadkarni Vice President – Administration, Real Estate & Company Secretary CIN: L24239MH1924PLC001151