Intimation of closure of Trading Window

INDO BORAX & CHEMICALS LTD. Regd. Office : 506, 5th Floor, Tulsiani Chambers, Free Press Journal Marg, Narirnan Point, Mumbai - 400021. India. Ph.: 022 35218591 • CIN: L24100MH1980PLC023177 Email : info@indoborax.com • Website : www.indoborax.com 28th September, 2026 BSE Ltd, National Stock Exchange of India Ltd. Corporate Relationship Department, Listing Department, Phiroze Jeejebhoy Towers, Exchange Plaza, Dalal Street, Bandra-Kurla Complex, Murnbai - 400 001 Baodra (East), Mumbai- 400 051 Stock Code : 524342 Svmbol: It"JDOBOR:L-X Dear Sir/Madam, Sub: Intimatoin of Closure of Trading Window This is to inform you that pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 and the Company's Code of conduct for prevention of Insider Trading, the Trading Window for dealing in equity shares of the Company by the Designated Persons (including their immediate relatives)/Connected Persons shall remain closed from October 01, 2026 till the end of 48 hours after the declaration of the Unaudited Financial Results (Standalone & Consolidated) for the second quarter and half year ending September 30, 2026. The date of the board meeting to be convened for consideration and approval of Financial Results will be intimated separately in due course of time. You arc requested to take the above on record. Thanking you, Yours faithfully, For Indo Borax & Chemicals Ltd Pravin Chavan Company Secretary & Compliance Officer