Closure of Trading Window for the declaration of Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026.

DIANA TEA COMPANY LTD Diana « Baintgoorie « Good Hope Date: September 26, 2026 BSE Limited The Manager Corporate Relationship Department 1 Floor, New Trading Wing, Rotunda Building, “Phiroze Jeejebhoy Towers’ Dalal Street, Fort, Mumbai — 400 001 Scrip Code : 530959 Dear Sir/ Madam, Subject: Intimation for Closure of Trading Window This is to inform that pursuant to the provisions of the Securities and Exchange Board of India (Prohibition of Insider Trading) Regulations, 2015 as amended from time to time, read with the Company’s Code of Conduct to Regulate, Monitor and Report Trading by Designated Persons and their immediate relatives, the "Trading ‘Window" for trading or dealing in the securities of the Company, shall remain closed with effect from Thursday, October 1, 2026 until the expiry of 48 hours after the declaration of Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026. The date of the Board meeting for consideration and declaration of the Unaudited Financial Results of the Company for the quarter and half year ended September 30, 2026 will be communicated separately. ‘We request you to take the same on record. Thanking you. Yours truly, For DIANA TEA COMPANY LIMITED Digitally signed by Na mrata Namrata Saraf Date: 2026.09.26 Saraf 12:36:21 +05'30' NAMRATA SARAF COMPANY SECRETARY & COMPLIANCE OFFICER (M. NO: A40824) AARES GROUP Regd. Office : Sir RNM House (4th Floor), 3B, Lal Bazar Street, Kolkata - 700 001 Phone : 2248 8672, 4066 1590-93, Fax : 2248 7571 E-mail : contactus@dianatea.in Website : www.dianatea.in CIN : L15495WB1911PLC002275 GST : 19AABCD1021G1Z8