This is to inform that pursuant to SEBI (PIT) Regulations, 2015 read with the Company''s Code of Conduct, the trading window for dealing in shares of the Company is closed with effect from October 01, 2026 till 48 hours after the declaration of financial results of the Company for the Quater and half year ended September 30, 2026.

Dhampur Bio Organics Ltd. Date: September 26, 2026 The Manager – Listing The Manager – Listing Dept of Corp. Services, National Stock Exchange of India Ltd. BSE Limited Exchange plaza, Bandra Kurla Complex P.J. Towers, Dalal Street, Fort, Bandra East Mumbai – 400 001 Mumbai – 400 051 Scrip Code: 543593 Symbol: DBOL Dear Sir(s), Sub: Intimation regarding the Closure of Trading Window This is to inform that pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 read with the Company's “Code of Conduct for Regulating, Monitoring and Reporting of Trading by Insiders”, the Trading Window for dealing in the shares of the Company is closed with effect from October 01, 2026 till 48 hours after the declaration of financial results of the Company for the quarter and half year ended September 30, 2026. The date of the Board Meeting for the consideration of financial results of the Company for the quarter and half year ended September 30, 2026, shall be intimated in due course of time. You are requested to kindly take the same on record. Thanking you. Yours Faithfully, For Dhampur Bio Organics Limited Ashu Rawat Company Secretary & Compliance Officer Corp. Office: Second Floor, Plot No. 201, Okhla Industrial Estate, Phase III, New Delhi – 110 020, India, Tel: +91-11 – 6905 5200, Email: corporateoffice@dhampur.com, Website: www.dhampur.com Regd. Office: Sugar Mill Compound, Village & Post – Asmoli, Distt. Sambhal, Uttar Pradesh – 244304, Tel: +91-7302318313 CIN : L15100UP2020PLC136939