Trading window for dealing in securities of the Company will remain closed for all Insiders/ Designated Persons and their immediate relatives with effect from 01st October, 2026 till 48 hours after the declaration of unaudited Financial Results for the quarter and half year ending on 30th September, 2026.

September 26, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai 400 001 Scrip Code: 533167 Dear Sir/Madam, Sub: Closure of trading window This is to inform that as per the Company’s Code of Practices & Procedures for fair Disclosure of Unpublished Price Sensitive Information, Code of conduct for Regulating & Monitoring Trading by Insiders and pursuant to SEBI (Prohibition of Insider Trading), Regulations, 2015, the Trading window for dealing in securities of the Company will remain closed for all Insiders/ Designated Persons and their immediate relatives with effect from 01st October, 2026 till 48 hours after the declaration of unaudited Financial Results for the quarter and half year ending on 30th September, 2026. Accordingly, all designated persons and their immediate relatives have been intimated not to trade in Equity Shares of the Company during the above-said period. The date of the Board Meeting for consideration of financial results will be informed in due course. Kindly take the above information on record. Thanking you, Yours faithfully For COROMANDEL ENGINEERING COMPANY LIMITED G V MANIMARAN CHAIRMAN & MANAGING DIRECTOR DIN: 09707546