Please find enclosed herewith intimation for appointment of Cygnus Partners Private Limited for providing Investor Relations Advisory Services to the Company,

GPT Infraprojects Limited Regd. Office: GPT Centre, JC-25, Sector III, Salt Lake, Kolkata – 700 106, India CIN : L20103WB1980PLC032872 Phone : +91-33-4050-7000, Email : info@gptgroup.co.in , Visit us: www.gptgroup.co.in GPTINFRA/CS/SE/2026-27 October 27, 2026 The Department of Corporate Services National Stock Exchange of India Limited BSE Limited, Exchange Plaza, Plot no. C/1, G Block, Phiroze Jeejeebhoy Towers, Dalal Street Bandra-Kurla Complex, Bandra (E), Mumbai – 400001 Mumbai - 400051 Scrip Code: 533761 Scrip Symbol: GPTINFRA ISIN: INE390G01014 Dear Sir/Madam Sub: Appointment of Cygnus Partners Private Limited for providing Investor Relations Advisory Services Pursuant to Regulation 30 and other applicable provisions of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, (‘Listing Regulations’) we wish to inform you that the Company has appointed “Cygnus Partners Private Limited” as Investor Relations Agency for providing Investor Relations Advisory Services to the Company. The appointment is aimed at strengthening investor communication, enhancing transparency, and improving the Company’s visibility in the capital markets. Further, in compliance with Regulation 30 of the Listing Regulations the Company has designated following specific email IDs for all investor-related queries, concerns, or requests i.e., ir@gptgroup.co.in. The above intimation is also available on the website of the company at www.gptinfra.in You are requested to take the above information on your record. Thanking you. Yours Sincerely, For GPT Infraprojects Limited Sonam Lakhotia Company Secretary & Compliance Officer Membership No.: A41358