Book closure from 22nd September 2026 to 29th September 2026

September 04, 2026 BSE Limited, Phiroze Jeejeebhoy Towers, Dalal Street, Mumbai 400 001 Scrip Code: 533167 Dear Sir, Sub: Intimation of Book Closure date under Regulation 42 of SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015 We wish to inform you that the Register of Members and Share transfer books shall remain closed from September 22, 2026 (Tuesday) to September 29, 2026 (Tuesday), (both days inclusive) for the purpose of 78th Annual General Meeting (AGM) of the Company scheduled to be held on September 29, 2026. We would further like to inform that the Company has fixed September 18, 2026 (Friday) as the cut-off date for the purpose of remote e-voting, for ascertaining the names of the Shareholders holding shares either in physical form or in dematerialized form, who will be entitled to cast their votes electronically in respect of the businesses to be transacted at the AGM of the Company to be held on 29th September 2026 at 2.30 P.M. Kindly take the above information on record. Thanking you. Yours faithfully For Coromandel Engineering Company Limited G V Manimaran Chairman and Managing Director