Intimation on closure of trading window

Sundaram-Clayton Limited Registered Office: “Chaitanya”, No. 12, Khader Nawaz Khan Road, Nungambakkam, Chennai – 600006 PH: 044 28332115 30th September 2026 BSE Limited, National Stock Exchange of India Ltd., Phiroze Jeejeebhoy Towers, Exchange Plaza, 5th Floor, Dalal Street, Bandra-Kurla Complex, Mumbai 400 001. Bandra(E), Mumbai 400 051. Scrip code: 544066 Scrip code: SUNCLAY Dear Sirs/Madam, Subject : Intimation of Closure of Trading Window This is to inform you that the Trading Window for dealing in securities of the Company shall remain closed from 1st October 2026 in terms of provisions of SEBI (Prohibition of Insider Trading) Regulations, 2015, as amended and the Company’s Code of Conduct to regulate, monitor and report trading by Designated Persons. The Trading window shall remain closed until 48 hours after the declaration of unaudited financial results for the quarter ending 30th September 2026. The date of the Board Meeting at which the said results will be considered shall be intimated in due course of time. Kindly take the above information on record. Thanking you, Yours faithfully, For Sundaram-Clayton Limited P D Dev Kishan Company Secretary Website: www.sundaram-clayton.com Email: corpsec@sundaramclayton.com CIN: L51100TN2017PLC118316