The Company has informed the exchange regarding the Trading Window Closure pursuant to SEBI (Prohibition of Insider Trading) Regulation 2015.

26.09.2026 BSE Limited, P.J Towers, Dalal Street, Fort, Mumbai- 400001 Scrip Code: 533006 Scrip Name: BIRLACOT Sub: Intimation of Closure of Trading Window. Dear Sir/Madam, With reference to the above subject, this is to inform you that pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015 as amended from time to time, the trading window for dealing in the equity shares of the Company will remain closed for all designated persons including Promoters, Directors, connected persons, the insiders and their immediate relatives from Thursday, October 01, 2026 till the expiry of 48 hours after the declaration of Un-Audited Financial Result of the Company for the Quarter and half year ended September 30, 2026. During the aforesaid period when the trading window is closed, designated persons including Promoters, Directors, connected persons, the insiders and their immediate relatives shall not trade in the Company’s securities. The date of Meeting of Board of Directors to approve the Un-Audited Financial Result for the Quarter and half year ended September 30, 2026 will be informed in due course. You are requested to take the same in your records. Thanking You. Yours Faithfully, For Birla Cotsyn (India) Limited Gaurav Anand Company Secretary & Compliance Officer