Trading Window closure notice

THE PHOSPHATE COMPANY LIMITED Works Regd. & Admin Office 47, Ramkrishna Road 14, Netaji Subhas Road Rishra -712 248 Kolkata-700 001 Hooghly Ow.B) Ph.: (033) 2230 0771, 40351234 Ph.: (033X26721448 / 1497 E-mail: Iakshmiphosphate@gmail.com Fax : 91 33 2672 2270 Website : ww.phospllate.co.in E-mail: phosphaterishra@gmail.com CIN : L24231W81949PLC017664 GSTN : 19AABCT1270FIZJ PAN : MBCT1270F Ref:290A/396 September 25, 2026 To, To' BSE Lirfuted The Secretary, The Corporate Relationship Department The Calcutta Stock Exchange Ltd. , P.J. Towers, 1st Floor, 7, Lyons Range, Dalal Street, Kolkata-700001. Mumbai - 400 00 1. Scrip code: 10026031 Scrip Code: 542123 Dear Sir, Sub: Closure of Trading Window Pursuant to SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended, the trading window for trading in the Company's securities by all Insiders /Desigriated Persons shall remain closed from let October 2026 till 48 hours after the announcement of the Financial Results of the Company for the quarter ended 30th September 2026. The date of meeting of the Board of Directors to approve the Financial Results of the Company for the quarter ended 30th September 2026 will be informed in due course. Please take a note of the same. Thanking you. Yours faithfully For The Phosphate Co. Ltd. <1#:rBanfty,- Dy. Secretary & Compliance Officer Mem.No.A45073 Manufacturer -SUPERPHOSPHATE FERTILISER, SODIUM SILICOFLUORIDE