Intimation of Closure of Trading Window

ZENITH FIBRES LIMITED ISO 9001:2015 COMPANY CIN: L40100MH1989PLC054580 URL: www.zenithfibres.com Date: 23.09.2026 BSE Limited Corporate Relations Department, Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai - 400001 Re: Zenith Fibres Limited Scrip Code: 514266 Subject: Intimation of Closure of Trading Window Dear Sir/Madam, In compliance of SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended from time to time ("SEBI PIT Regulations") and the Code of Internal Procedures and Conduct for Regulating, Monitoring and Reporting of Trading by Designated Persons (“COC”) framed by the Zenith Fibres Limited (the “Company”), we hereby inform the Exchange that the Trading Window for buying, selling, pledging, dealing, trading etc. in the securities of the Company shall remain closed from Thursday, October 01, 2026 till the completion of 48 hours after the declaration/publication of Unaudited Financial Results of the Company for the Second Quarter and Half Year to be ended on September 30, 2026 of the Current Financial year 2026-27. Kindly take the above information on your record. Thanking you. Yours faithfully, For Zenith Fibres Limited Dharati Bhavsar Company Secretary Regd. Office: 311, Marol Bhavan, Marol Co-Op. Ind. Estate Ltd., M.V. Road, Andheri (E), Mumbai - 400059, Maharashtra, (India) Tele: +91-22-40153860 E-mail: mumbai@zenithfibres.com Corporate Office: 103 “Synergy House”, Subhanpura Road, Vadodara - 390023, Gujarat, (India) Tele: +91-265-228-3744 Tele/Fax: +91-265-228-3743 E-mail: baroda@zenithfibres.com Plant: Block 458, P.O. Tundav, Taluka: Savli, District: Vadodara - 391775, Gujarat, (India) Tele: +91-8780601186, 8780601179 E-mail: plant@zenithfibres.com