Intimation regarding change in Corporate office & Correspondence address of the RTA of the Company - Kfin Technologies Limited.

SEC/080/2026-27 November 05, 2026 Listing Department Listing Department BSE Limited The National Stock Exchange of India Limited 25th Floor, Phiroze Jeejeebhoy Towers Exchange Plaza, C-1, Block G, Dalal Street, Fort, Bandra Kurla Complex, Mumbai-400 001 Bandra (E), Mumbai – 400 051 SCRIP CODE: 523704 SYMBOL: MASTEK ISIN: INE759A01021 Dear Sir(s) / Ma’am(s), Sub: Intimation regarding change in Corporate Office and Correspondence address of Registrar to an Issue and Share Transfer Agent (RTA) of the Company - KFin Technologies Limited We wish to inform you that KFin Technologies Limited, the Registrar and Share Transfer Agent ("RTA") of the Company has intimated a change in its Corporate Office address with effect from December 1, 2026. Accordingly, all stakeholders are requested to take note of the aforesaid change and ensure that w.e.f. December 1, 2026, all correspondence, notices, documents and other communications pertaining to the RTA shall be addressed to its new Corporate Office address. Existing Corporate Office address New Corporate Office address KFin Technologies Limited Selenium Tower B, Plot KFin Technologies Limited 6, 23, 24 & 25th Floor, No. 31 & 32 South Tower, Rajapushpa West Avenue Gachibowli, Financial District Survey No. 115, Kokapet, Serilingampally Mandal Nanakramguda, Serilingampally Ranga Reddy District Hyderabad - 500032, Telangana Telangana - 500075 Telephone: 081210 13657 Email: einward.ris@kfintech.com Website: https://www.kfintech.com Please note that the Registered Office of the RTA remains unchanged. This disclosure is being made for the information of shareholders, investors and all other stakeholders of the Company. We request you to please take the same on record. Yours faithfully, For Mastek Limited Reena Raje Company Secretary & Compliance Officer Membership No. A21440 Mastek Limited 804/805, President House, Opp. C. N. Vidyalaya, Near Ambawadi Circle, Ahmedabad – 380 006 Tel: +91-79-2656-4337 | Email: info@mastek.com | Web: www.mastek.com | CIN: L74140GJ1982PLC005215