Intimation of Closure of Trading Window

SECY/S.E./2026-27 September 30, 2026 BSE Limited Department of Corporate Services Phiroze Jeejeebhoy Towers, 25th Floor, Dalal Street, Mumbai – 400 001 Scrip code: 506854 Dear Sir/madam, Sub: Intimation of closure of Trading Window Pursuant to provisions of the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015, and the Company’s Code of Conduct to Regulate, Monitor and Report trading by Designated Persons and their immediate relatives, we hereby inform you that the trading window for dealing in the securities of the Company will be closed for all Designated Persons and their immediate relatives and connected persons of the Company from Thursday, October 01, 2026 till the expiry of 48 hours after the declaration of Un-audited Financial Results of the Company for the quarter and half year ending September 30, 2026. The date of the Board Meeting for declaration of Un-audited Financial Results of the Company for the quarter and half year ending September 30, 2026, will be intimated in due course. This is for your information and record. Thanking you, Sincerely yours, For TANFAC Industries Limited Vinod Kumar. S Company Secretary & Compliance Officer TANFAC INDUSTRIES LIMITED (Joint Sector Company with TIDCO and Anupam Rasayan India Ltd.) Registered Office & Factory: 14, SIPCOT Industrial Complex, Cuddalore – 607 005, Tamil Nadu, India Tel: + 91 4142 239001 – 05| Fax: + 91 4142 239008 | Website: www.tanfac.com Chennai Office: Oxford Centre, 1st Floor, 66, Sir C.P. Ramaswamy Road, Alwarpet, Chennai 600 018, TN, India Tel.: +91-44-2499 0451/0561/0464 Fax: +91-44-2499 3583 GST: 33AAACT2591A1ZU | CIN: L24117TN1972PLC006271