Trading Window Closure

September 25, 2026 To, To, BSE Limited National Stock Exchange of India Limited Department of Corporate Services Exchange Plaza, Plot No. C/1 Phiroze Jeejeebhoy Towers, 'G' Block, Bandra – Kurla Complex Dalal Street, Bandra East, Mumbai - 400 001 Mumbai - 400 051 Scrip Code: 524091 Trading Symbol: CARYSIL Sub: Intimation of Closure of Trading Window Dear Sir/ Madam, Notice is hereby given that pursuant to the provisions of the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 read with Company’s Insider Trading Regulation Code, the trading window for the purpose of dealing in the securities of the Company shall remain closed from October 01, 2026 till 48 hours after the declaration of the Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026. Accordingly, all Designated Persons as per the framed Code of the Company have been intimated not to trade in (buy or sell) Equity Shares of the Company during the stated period. The date of announcement of the Unaudited Financial Results shall be informed in due course. Further, pursuant to SEBI circular no. SEBI/HO/ISD/ISD-PoD-2/P/CIR/2025/55 dated April 21, 2025, the PANs of designated persons and their immediate relative of the Company will be frozen by the Designated Depository for trading in securities of the Company during the said window closure period. Kindly take the above information on your records. Thanking you, Yours Faithfully, For CARYSIL LIMITED Reena Shah Company Secretary & Compliance Officer