Closure of Trading Window

ZENITH FIBRES LIMITED ISO 9001:2015 COMPANY CIN: L40100MH1989PLC054580 URL: www.zenithfibres.com Date: 06.08.2026 BSE Limited Corporate Relations Department, Phiroze Jeejeebhoy Towers, Dalal Street, Fort, Mumbai - 400001 Re: Zenith Fibres Limited Scrip Code: 514266 Sub: Intimation of Board Meeting Date Ref: Regulation 29 and all other applicable regulations, if any, of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 Dear Sir/Madam, Pursuant to Regulation 29 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, as amended from time to time, we hereby inform you that a meeting of the Board of Directors of Zenith Fibres Limited (the “Company”) is scheduled to be held on Friday, August 14, 2026, inter-alia, to consider and approve the Unaudited Financial Results of the Company for the First Quarter ended June 30, 2026 of the current financial year 2026-27. Further, in continuation of our letter dated June 27, 2026, for the aforesaid purpose, the Trading Window for buying, selling, pledging, dealing, trading etc. in the securities of the Company has been closed from Wednesday, July 01, 2026 and will continue to remain closed till the completion of 48 hours after the declaration/publication of the Unaudited Financial Results of the Company for the First Quarter ended June 30, 2026, of the current financial year 2026-27, i.e., Sunday, August 16, 2026, as required under the SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended. The above information is also being made available on the Company's website at www.zenithfibres.com. 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