Bagging/Receiving of orders/contracts

GPT Infraprojects Limited Regd. Office : GPT Centre, JC-25, Sector-III, Salt Lake, Kolkata – 700 106, India CIN: L20103WB1980PLC032872 Tel: +91-33-4050-7000 Email: gil.cosec@gptgroup.co.in Visit us: www.gptgroup.co.in GPTINFRA/CS/SE/2026-27 August 24, 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 - 400 051 Scrip Code: 533761 Scrip ID: GPTINFRA ISIN: INE390G01014 Dear Sir/Madam, WOS of GPTINFRA Declared L1 (First Lowest) in Order Valued at Rs. 97.31 Crore In compliance with Regulation 30 read with Part A of Schedule III of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, We are pleased to inform you that Alcon Builders and Engineers Private Limited, Wholly Owned Subsidiary of GPT Infraprojects Limited (GPTINFRA) has been declared L1 (First Lowest) in order valued at Rs. 97.31 Crore today, Monday, August 24, 2026. The details are hereunder: Name of the client : Office of the General Manager Northeast Frontier Railway, Maligaon, Guwahati-781011 Nature of contract : Provision of Electronic Interlocking at ADF (Adina), AZR (Azamnagar Road), KWE (Khurial), MXJ (Mangurjan), TMH (Tinmilehat), CAT (Chatterhat), SUD (Sudhani), TETA (Telta), PJP (Panjipara), and GIL (Gaisal) stations on HDN/HUN route of Katihar Division Size of contract : Rs. 97.31 Crore We request you to take on record of the same. Thanking you, Yours Sincerely, For GPT Infraprojects Limited Sonam Lakhotia Company Secretary & Compliance Officer Membership No.: A41358