Intimation of Closure of Trading Window

Date: 23 September 2026 Ref. No.: TCPCL/SEC/2026-27/00046 The General Manager, The Manager, Corporate relationship department, Listing department, BSE Limited National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, C-1, Block-G, Dalal Street, Fort, Bandra-Kurla Complex, Bandra(E), Mumbai-400 001 Mumbai-400 051 Scrip Code: 543321 Scrip Symbol: TATVA Subject: Intimation of Closure of Trading Window Dear Sir/Madam, Pursuant to provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended and Company's code on prohibition of insider trading, the “Trading Window” for dealing in the securities of the Company shall remain closed for all Designated Persons and their immediate relatives from Thursday, 01 October 2026 till the completion of 48 hours after the declaration of the Unaudited Financial Results of the Company for the quarter and half year ending 30 September 2026. Accordingly, all Designated Persons and their immediate relatives of the Company have been advised not to trade in the securities of the Company during the aforesaid period of Closure of Trading Window. Kindly take the above information on your record. Thanking you, Yours faithfully, For Tatva Chintan Pharma Chem Limited Ishwar Nayi Company Secretary and Compliance Officer M. No.: A37444