Closure of Trading window

September 29, 2026 BSE Limited, National Stock Exchange of India Ltd. Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Plot no. C/1, G Block, Mumbai 400001. Bandra-Kurla Complex Scrip: 543490 Bandra (E) Mumbai - 400051. Symbol: GMRP&UI Dear Sir/Madam, Sub: Intimation under SEBI (Prohibition of Insider Trading) Regulations, 2015- Closure of Trading Window. Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended and the Company's Code of Conduct for Prevention of Insider Trading and Code of Practices and procedures for Fair Disclosure of Unpublished Price Sensitive Information, the trading window for dealing in the shares of the Company shall remain closed for all designated persons of the Company from the closure of business hours of September 30, 2026 until 48 hours from the date of declaration of the Un-audited Financial Results of the Company (Standalone and Consolidated) for the quarter and half year ended September 30, 2026. We shall separately intimate the exchange regarding the date of the Board Meeting to consider the said Un-audited Financial Results. This is for your information and record. Thanking you, For GMR Power and Urban Infra Limited Vimal Prakash Company Secretary & Compliance Officer GMR Power & Urban Infra Limited Corporate Office: New Udaan Bhawan, Opp. Terminal 3, Indira Gandhi International Airport, New Delhi - 110 037 Registered Office: Unit No. 12, 18th Floor, Tower A, Building No. 5, DLF Cyber City, DLF Phase– III, Gurugram– 122002, Haryana, India CIN L45400HR2019PLC125712 T +91 124 6637750, E GPUIL.CS@gmrgroup.in W www.gmrpui.com