Closure of Trading Window with effect from October 01, 2026 till the end of 48 hours after publication of the un-audited Standalone and Consolidated financial results of the Company for the quarter and half year ended September 30, 2026

September 29, 2026 The BSE Limited The National Stock Exchange Corporate Relations Department, of India Limited P.J. Towers, Department of Corporate Services, Dalal Street, Exchange Plaza, 5th Floor, Mumbai-400 001. Bandra-Kurla Complex, Scrip Code: 533263 Mumbai-400 051. Scrip Code: GREENPOWER Respected Sir/Ma’am, Sub: Closure of Trading Window. Pursuant to Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, we wish to inform you that the trading window of the Company, under Code of Conduct for the Prevention of Insider Trading, shall remain closed for Designated Persons and their immediate relatives with effect from October 01, 2026 till the end of 48 hours after publication of the Un-audited Standalone and Consolidated Financial Results of the Company for the quarter and half year ended September 30, 2026. The date of Board Meeting in which financial results would be considered shall be intimated in due course. We request you to kindly take the same on record and oblige. Thanking you, Yours faithfully, For Orient Green Power Company Limited G Srinivasa Ramanujan Company Secretary & Compliance Officer