PFA the disclosure for the closure of trading window

ISTLIMITED To, Dated: 29" September, 2026 Corporate Relationship Department, BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai-400 001 (BSE Scrip Code: 508807) Sub: Intimation of the Closure of Trading Window in terms of SEBI (Prohibition of Insider Trading) Regulations, 2015 Dear Sir / Madam, Pursuant to Company’s Code of Conduct to regulate, monitor and report trading by its Employees and other Connected Persons under SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time (the PIT Regulations), and pursuant to the provisions of Clause 4 of the Schedule B of the PIT Regulations, the trading window for dealing in securities of the Company shall remain closed from 15t October, 2026 till the completion of 48 hours after the financial results for the quarter and half year ended 30" September, 2026 are submitted to the stock exchange and disseminated on the website of the Company. The date of the Board Meeting for the declaration of the financial results will be intimated to you separately. You are requested to take the above on record. Thanking you. Yours faithfully, For IST Limited Bhupinder Kumar Company Secretary M. No. A15871 CIN - L33301HR1976PLC008316 Head off. : A-23,New Office Complex2n,d Floor, Defence Colony, New Delhi-110024 (India) Phones: 011-41044511-13 Regd. Off. & Factory : Dharuhera Industrial Complex, Delhi-Jaipur Highway No. 8, Village Kapriwas, Dharuhera, Distt. Rewari-123106 (Haryana) RWTGUY Phones: 01274-267347-48 E-mail : istgroup ho@jstindia. com, istgroup.ho@gmaicolm., Website : wwiw.istindia.com