Intimation on Closure of Trading Window

UCAL LIMITED E3E13 (Formerly UCAL FUEL SYSTEMS LIMITED) 25th September 2026 National Stock Exchange of India BSE Limited Limited Corporate Relationship Department, Exchange Plaza, lst floor, New Trading Ring Rotunda Bandra Kurla Complex Building, P J Towers, DalaI Street, Fort Bandra East, Mumbai 400 051 Mumbai - 400 001 NSE Code: UCAL BSE Code: 500464 Dear Sir Sub: Intimation of Closure of Trading Window We wish to inform the Exchange that in terms of provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended and Company’s Code of Conduct to regulate, monitor and report trading by Designated Persons, the trading window for dealing in the securities of the Company will be closed for all the Promoters/Directors/Designated Employees and Specific Connected Persons of the Company and their immediate relatives with effect from 1“ October 2026 till conclusion of 48 hours after the declaration of Un-audited Financial Results of the Company for the quarter/half year ended 30th September 2026. Kindly take the above information in your record. Thanking you Yours faithfully For UCAL LIMITED S. NARAYAN COMPANY SECRETARY REGD OFFICE : 11 B/2 (S.P), First Cross Road, Ambattur Industrial Estate, IAIr 188492010 Ambattur, Chennai - 600 058. Tel.No: 044 - 6654 4719 BUREAU VERITAS E-mail: ufsl.ho@ucal.com Website: www.ucal.com C8rtlflc8tlo CIN: L31900TN 1985PLC012343