Analysts/Institutional Investor Meet/Con. Call Updates

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 21st July 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 Sirs, Subject: Intimation of Schedule of Analyst / Institutional Investor Meetings under the Listing Regulations Pursuant to Regulation 30 read with para A of Part A of Schedule III of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that an analyst meeting is scheduled as per the details given below: Date of Meeting Interaction with Type Place of meeting 3rd August 2026 Investors/Analysts Meet Group Digital The information which is already in the public domain will be shared with Investor/Analyst. Note: Dates are subject to Changes. Changes may happen due to exigencies on the part of Investors/Company. This is for your information and record. Yours faithfully For GlaxoSmithKline Pharmaceuticals Limited Ajay Nadkarni Vice President – Administration, Real Estate & Company Secretary CIN: L24239MH1924PLC001151