Closure of trading window_for the period starting from 1st october 2026 till the submission of the unaudited financial statement for the quarter and half year ended 30.09.2026

29th September, 2026 To, To, BSE Limited The Calcutta Stock Exchange Ltd. Phiroze Jeejeebhoy Towers 7, Lyons Range, Dalal Street, Kolkata- 700 001 Mumbai- 400 001 Scrip Code: 28044 Scrip Code: 526723 Sub: Notice for Closure of Trading Window Dear Sir / Madam, Pursuant to the Internal Code of Conduct for Prevention of Insider Trading framed by the Company under SEBI (Prohibition of Insider Trading) Regulations, 2015 (as amended) (the ‘Regulations’), the Trading Window of the Company shall remain closed for all the Directors, designated persons and their immediate relatives as prescribed in the Schedule B of the Regulations from 1st october, 2026 till 48 hours after the declaration/announcement of the Un-audited financial results to the Stock Exchange for the quarter ended 30th September, 2026. The date of the Board Meeting for approval of the aforesaid financial results shall be intimated in the due course. This is for your kind information & records. Thanking you, Yours faithfully, For ntc industries limited Tanya Bansal Company Secretary & Compliance Officer E-mail ID:info@ntcind.com; Website: www.ntcind.com;CIN:L70109WB1991PLC053562