Intimation of Trading Window Closure

SARTHAK INDUSTRIES LIMITED CIN: L99999MH1982PLC136834 Regd. Office: ROOM NO. 4, ANNA BHUVAN, 3RD FLOOR, 87C DEVJI RATANSI MARG, DANA BUNDER, MUMBAI, (Maharashtra) 400009, Phone: 022 23480110, Email: sarthakindustries@yahoo.in, website: www.sarthakindustries.com September 23, 2026 BSE Limited, 25th Floor, Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai-400001 BSE Scrip Code:531930 Dear Sir/Madam, Subject: Intimation of Trading Window Closure This is to inform that as per the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended & Company’s Code of Conduct framed thereunder, the trading window will remain closed from 01st October, 2026 till 48 hours after the declaration of Un-audited Standalone Financial Results for the quarter and half year ending 30th September, 2026 for all designated persons, their immediate relatives (as defined in the code) of the Company. The date of the Board Meeting of the Company for declaration of the Un-audited Standalone Financial Results for the quarter and half year ending 30th September, 2026 shall be intimated in due course. You are requested to take the same on your records and oblige. Thanking you, Yours Faithfully, For Sarthak Industries Limited Riya Bhandari (Jain) Company Secretary & Compliance Officer