Closure of Trading Window

Reliance Infrastructure Limited CIN : L75100MH1929PLC001530 Tel: +91 22 4303 1000 Regd. Office: www.rinfra.com Reliance Centre, Ground Floor, 19, Walchand Hirachand Marg, Ballard Estate, Mumbai 400 001 September 25, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Dalal Street, Fort, Plot No. C/1, G Block, Bandra Kurla Complex, Mumbai 400 001 Bandra (East), Mumbai 400 051 BSE Scrip Code: 500390 NSE Scrip Symbol: RELINFRA Dear Sir(s), Sub.: Closure of Trading Window In accordance with the Company’s Code of Conduct to Regulate, Monitor and Report Trading in Securities (the “Code”) read with the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for trading in the securities of the Company for Designated Persons will be closed from Thursday, October 01, 2026 till 48 hours from the declaration of unaudited Financial Results for the quarter and half year ending on September 30, 2026. Kindly take the same on record. Yours faithfully, For Reliance Infrastructure Limited Paresh Rathod Company Secretary