Please find enclosed the Certificate under Regulation 74(d) of the SEBI (DP) Regulations, 2018.

ARCOTECH LTD. Regd. Office/Works: 181, Sector-3, Industrial Growth Center Bawal-123501, Distt. Rewari, Haryana Ph.: 01284-299400, Email : contact@arcotech.in, Website : www.arcotech.in CIN : L34300HR1981PLC012151 19% October, 2026 BSE Ltd. National Stock Exchange of India Limited Phiroze Jeejeebhoy Towers, Exchange Plaza, Bandra Kurla Complex. Dalal Street, Mumbai-400001 Bandra(E), Mumbai-400051 Scrip Code: 532914 Symbol: ARCOTECH Sub: Compliance Certificate under Regulation 74(5) of SEBI (Depositories and Participants), Regulations, 2018 for the Quarter ended 30% September, 2026 Dear Sir, Pursuant to Regulation 74(5) of SEBI (Depositories & Participants) Regulations 2018, we enclose herewith a confirmation certificate received from Maheshwari Datamatics Private Limited, the Registrar and Transfer Agent of the Company for the Quarter ended 30% September, 2026. Kindly take the same on record & oblige. Thanking You. Yours faithfully, For ARCOTECH LIMITED NIDHI JAIN Company Secretary & Compliance Officer Encl: As above National Securities Depository Limited Central Depository Services (India) Ltd. Trade World, 4% Floor Marathon Futures Kamala Mills Compound A Wing, 25t Floor Mafatlal Mills Compound Senapati Bapat Marg N.M. Joshi Marg Lower Parel Lower Parel (E) Mumbai-400013 Mumbai-400013 5 MAHESHWARI DATAMATICS PVT. LTD. Regd. Off. : 23, R. N. Mukherjee Road, 5th Floor, Kolkata - 700 001, Phone : 2248-2248, 2243-5029, 2231-6839 E.mail : contact@mdplcorporate.com, Website : www.mdpl.in, CIN : U20221WB1982PTC034886 Si Ne.1iés 03/10/2026 ARCOTECH LTD. - INES74101035 F-701A4, LADG SARAI BEHIND GOLF COURSE NEW DELHI PIN 110036 Dear Sir / Macam, Sub? Compliance Regarding Canfirmatien OF Demateriatisaticon as per Regulation 74(5) of Securities and Exchange Beard of India (Depositories and Participants) Regulstions, 2018 We comfirm thet no dematerialisation request for equity shares of your Company was confirmed during the perind 01/07/2086 ta 30/09/2025. Tharking Your Yours Faithfully For MAHESHWARI DATAMATICS PVT. LTD. REGISTRARS