Intimation of Closure of trading window for the quarter and half year ended as on 30th September, 2026

CRYSDALE INDUSTRIES LIMITED (Formerly known as Relson India Limited) Regd. Office: - S7 - 13, 7th Floor, B wing Pinnacle Business Park, Mahakali Caves Road, MIDC, Andheri East, Chakala MIDC, Mumbai 400093, Maharashtra, India CIN: L51900MH1987PLC042111 | Email ID: cs@relsonindia.com| Ph. No. 022 26730264 Website: www.relsonindia.com Date: September 30, 2026 BSE Limited Phiroze Jeejeebhoy Towers, Rotunda Bldg, Dalal Street, Fort, Mumbai– 400 001. Dear Sir/Madam, REF: Scrip ID: Relsind; SCRIP CODE: 502473; ISIN: INE0SV601019 Sub: Closure of Trading Window. Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 and in terms of Company’s Code of Conduct for Prevention of Insider Trading in the Equity shares of the Company, it is hereby informed that the "Trading Window" for trading/ dealing in the shares of the Company, by all designated persons, their immediate relatives and connected persons (as defined in the Code), shall remain closed with effect from October 1, 2026 until the expiry of 48 hours after the date on which the Financial Results of the Company for the Quarter and half year ended as on September 30, 2026 are declared/ communicated to the Stock Exchange. This is for the intimation of Exchange and members thereof. You are requested to take the same on record. Yours faithfully, For CRYSDALE INDUSTRIES LIMITED (Formerly known as Relson India Limited) Kavita Hitesh Jain Company Secretary & Compliance Officer ACS No. 63116