Certificate under SEBI (Depositories and Participants) Regulations, 2018

Sundaram-Clayton Limited Registered Office: “Chaitanya”, No. 12, Khader Nawaz Khan Road, Nungambakkam, Chennai – 600006 PH: 044 28332115 5th October 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 Sir / Madam, Subject : Certificate under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 for the Quarter ended 30th September 2026 Pursuant to Regulation 74(5) of the Securities and Exchange Board of India (Depositories and Participants) Regulations, 2018, we enclose herewith a confirmation certificate received from Integrated Registry Management Services Private Limited, the Registrar and Transfer Agent of the Company for the quarter ended 30th September 2026. Request you to kindly take this on record. Thanking you, Yours faithfully, For Sundaram-Clayton Limited P D Dev Kishan Company Secretary Encl.: a/a Website: www.sundaram-clayton.com Email: corpsec@sundaramclayton.com CIN: L51100TN2017PLC118316 INTEGRATED REGISTRY MANAGEMENT SERVICES PRIVATE LIMITED SECOND FLOOR "KENCES TOWERS" NO.1 RAMAKRISHNA STREET OFF NORTH USMAN ROAD T NAGAR CHENNAI - 600 017 PHONE NO.: 2814 0801-03 FAX NO.: 2814 2479 Email: srirams@integratedindia.in .............* . ..* *************,nlr*******************tt*******ri***,........,..** October 03, 2026 M/ s Sundaram Clayton: Limited (Formerly Sundaram Clayton DCD Limited) "Chaitanya" No.12 Khader Nawaz Khan Road Nugambakkam Chennai - 600 034 Kind Attn : Mr Dev Kishan - Company Secretary Dear Sir, Subject: Confirmation Certificate In the matter of Regulation 74(5) of Securities and Exchange Board of India (Depositories and Particip~ts) Regulations, 2018. We hereby confirm that the details of securities dematerialized during the quarter ended 30th September 2026, as required under Regulation 74(5) of SEBI (Depositories and Participants) Regulations, 2018 have been furnished to the Depositories and the Stock Exchanges where the equity shares of the Company are listed. TI1anking you, Yours faithfully, for Integrated Registry Management Services Private Limited, Authorised Signatory