Trading Window

TARAPUR TRANSFORMERS LTD. Date: 25th September, 2026 Department of Corporate Services The Manager-Listing Department BSE Ltd. National Stock Exchange of India Limited. P.J. Towers, Dalal Street, Exchange Plaza, bandra Kurla Complex, Bandra Mumbai – 400 001 (East), Mumbai – 400 051 Stock Code : 533203 Stock Code : TARAPUR Subject: Intimation for Closure of Trading Window. Scrip Code: 533203 - Tarapur Transformers Limited. Dear Sir/Madam, Pursuant to the SEBI (Prohibition of Insider Trading) Regulations, 2015 (including any statutory modification(s) or re-enactment(s) thereof, for the time being in force) and with reference to Circulars issued by BSE vide Circular No. LIST/COMP/01/2019-20, we wish to inform you that the trading window for dealing in the securities/shares of Tarapur Transformers Limited will remain closed for Insiders, Designated Persons and their immediate relatives with effect from Thursday, 01 October, 2026, till the completion of 48 hours after the declaration of the Unaudited Financial Results of the Company for the Second quarter and half year ending on 30th September, 2026. The Company has intimated its Designated Persons regarding the closure of the trading window. Accordingly, Insiders, Designated Persons and their immediate relatives of the Company are advised not to trade (buy or sell or pledge, etc.) in the securities/shares of the Company during the aforesaid period of closure of the trading window. Board Meeting date for consideration and approval of Unaudited Financial Results of the Company for the Second quarter and half year ending on 30th September, 2026 shall be intimated in due course. You are requested to kindly take above information on your records. Thanking You, Yours faithfully, For Tarapur Transformers Limited, Yash Betkar Director DIN: 10944640 Registered Office: S-112, 1st Floor, Rajiv Gandhi Commercial Complex, Ekta Nagar, Kandivali (West), Mumbai- 400 067, India. Tel: +91 22 28670603/04, Website: www.tarapurtransformers.com, email: complianceofficer@tarapurtransformers.com, CIN: L99999MH1988PLC047303