Closure of Trading Window

September 24, 2026 BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Dalal Street, Fort, Bandra Kurla Complex, Bandra (East), Mumbai 400001 Mumbai 400051 Scrip Code: 532504 Symbol: NAVINFLUOR Dear Sir / Madam, Sub.: Intimation of Board Meeting and closure of Trading Window Pursuant to Regulation 29 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, this is to inform you that a Meeting of the Board of Directors of the Company is scheduled to be held on Friday, October 30, 2026, inter-alia, to consider, approve and take on record, the Unaudited Standalone and Consolidated Financial Results of the Company for the quarter and half year ending September 30, 2026; and to consider declaration of interim dividend for the financial year 2026-2027. In accordance with the provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015 read with the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons and their immediate relatives, the Trading Window in respect of dealings in the securities of the Company will remain closed from September 30, 2026 to November 01, 2026 (both days inclusive). This intimation is also being made available on the Company’s website www.nfil.in. Kindly take this information on your record. Thanking you, Yours faithfully, For NAVIN FLUORINE INTERNATIONAL LIMITED Niraj B. Mankad President Legal and Company Secretary