Mastek Ltdhas informed BSE that the meeting of the Board of Directors of the Company is scheduled on 23/10/2026 ,inter alia, to consider and approve Unaudited Financial Results for Quarter & Half year Ended September 30, 2026

SEC/065/2026-27 October 07, 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: Approval of Unaudited Financial Results for the second quarter and half year ended September 30, 2026 In terms of Regulation 29(1) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, intimation be and is hereby given, that a meeting of the Board of Directors of Mastek Limited is scheduled to be held on Friday, October 23, 2026, inter-alia, to consider and approve the following: 1. Consolidated and Standalone Unaudited Financial Results of the Company as per Indian Accounting Standards (IndAS) for the second quarter and half year ended September 30, 2026; and 2. Any other matter. Trading Window Closure: Further to our letter no. SEC/058/26-27 dated September 24, 2026, this is to inform you that in compliance with the SEBI (Prohibition of Insider Trading) Regulations, 2015, and the Company's Internal Code for Prohibition of Insider Trading ('Code'), the trading window of the Company has been closed since September 30, 2026. The Trading Window shall remain closed till the expiry of 48 hours from the date the said Financial Results are made public, and the trading window will re-open on October 26, 2026. Earnings Conference Call: Pursuant to Regulation 30 and 46(2) of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, we wish to inform you that the Company will hold an Earnings Conference Call on Monday, October 26, 2026, at 8.00 A.M (IST) for investors / analysts, to discuss the financial results and business outlook. Details for joining the call will be submitted to the Exchanges in due course and will be made available on the Company’s website at www.mastek.com. Thanking you, Yours faithfully, For Mastek Limited Reena Raje Company Secretary and 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