Intimation of Closure of Trading Window.

SE/CS/2026-27/32 September 25, 2026 To, To, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Plot no. C/1, G Block, Dalal Street, Fort, Bandra-Kurla Complex, Bandra (W), Mumbai – 400 001 Mumbai – 400 051 Company Scrip Code – 530871 Company Scrip Code – CHEMBOND Ref: ISIN: INE995D01025 Sub: Intimation of Closure of Trading Window Dear Sir/Madam, Pursuant to BSE Circular No. LIST/COMP/01/2019-20 dated April 02, 2019, NSE Circular No. NSE/CML/2019/11 dated April 02, 2019 and in accordance with the Internal Code of Conduct for Regulating, Monitoring and Reporting of Trades of Chembond Material Technologies Limited (“the Company”) read with applicable provisions of the SEBI (Prohibition of Insider Trading) Regulations, 2015, the Trading Window for dealing in securities of the Company by Designated Persons shall remain closed from 1st October, 2026 till 48 hours of the declaration of Standalone & Consolidated financial results of the Company for the quarter and half year ended September 30, 2026 (“the Financial Results”). The date of Board Meeting for announcement of the Financial Results shall be informed in due course. Accordingly, all Connected Persons/Designated Persons/Directors are advised not to trade in the securities of the Company during the aforesaid period of closure of trading window. You are requested to kindly take the same on record. Thanking You, Yours faithfully For Chembond Material Technologies Limited Suchita Singh Company Secretary & Compliance Officer Chembond Material Technologies Limited (formerly Chembond Chemicals Limited) EL-71, Chembond Centre, Mahape MIDC, Navi Mumbai 400710. INDIA T: +91 22 62643000 - 03 ● F: +91 22 27681294 www.chembond.in CIN: L24100MH1975PLC018235