Trading Window

Registered Office: Dhirubhai Ambani Knowledge City Reliance Centre, Ground Floor, Reliance Power Limited Thane Belapur Road, 19, Walchand Hirachand Marg, CIN: L40101MH1995PLC084687 Koparkhairane, Ballard Estate, Mumbai - 400 001 Navi Mumbai 400 710 T el: +91 22 4303 1000 www.reliancepower.co.in September 25, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Dalal Street, Fort, Plot C/1, G Block, Bandra Kurla Complex, Mumbai 400 001 Bandra (East), Mumbai 400 051 BSE Scrip Code : 532939 NSE Scrip Symbol: RPOWER Dear Sir(s), Sub.: Closure of Trading Window In accordance with the Company’s Code of Practices and Procedures and 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 Power Limited Ramandeep Kaur Company Secretary