Analysts/Institutional Investor Meet/Con. Call Updates

SEC/069/2026-27 October 21, 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: Update on Earnings Conference Call on Financial Results for the quarter and half year ended September 30, 2026. Further to our disclosure No. SEC/065/2026-27 dated October 7, 2026, regarding the Board Meeting scheduled on October 23, 2026 and Earnings conference call scheduled on October 26, 2026 at 8:00 A.M. (IST), please find attached the details to join the said Earnings Conference Call to discuss the Company's financial results and business outlook with investors and analysts. The said information is also 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 Encl. A/A 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 Investor Factsheet For immediate release Mastek Limited Q2FY27 Earnings Call Invite Mastek to announce Q2FY27 results on October 23rd, 2026; Earnings call to be held on October 26th, 2026 at 8:00 AM (IST) Mumbai, 21st October, 2026 – Mastek, a trusted AI-first, Digital Engineering & Cloud Transformation Partner, will announce its Second quarter of FY27 results on Friday, October 23rd, 2026. The earnings call for the results would be held on Monday, October 26th, 2026 at 8:00 AM (IST). The results will also be available on the company’s website, www.mastek.com. The Details of the Earnings Conference Call are: Date: October 26th, 2026 Time (IST): 8:00 AM – 9:00 AM Registration Link: https://mastek-q2fy27-earnings-conf-call.open-exchange.net/ International Toll-Free Numbers for dial in option: India: 000 800 001 4002 / 000 800 050 5050 Singapore: 1800 407 5602 / 800 101 3814 Other International Numbers: International Numbers Management Representation Mr. Umang Nahata, Chief Executive Officer, Mastek Group Mr. Deepak Kedia, Chief Financial Officer, Mastek Group Mr. Niraj Khemka, Head of IR & FP&A Participants are requested to dial-in 10 minutes before the scheduled time. About Mastek Mastek (NSE: MASTEK; BSE: 523704) is a global provider of enterprise AI, digital, and cloud services, enabling clients to achieve measurable and sustainable returns on their technology investments. The company has a presence in over 40 countries and a skilled workforce of close to 5,000 employees. Through its “Lead with AI” approach, Mastek integrates intelligence across its solutions and operations, enabling organizations to accelerate transformation using ethical, scalable, and domain-driven AI adoption. Mastek partners with industry leaders such as Oracle, Salesforce, Microsoft, AWS, Snowflake, and Databricks, serving key sectors such as Public Sector, Healthcare, Retail, Manufacturing, Higher Education, and Financial Services. Mastek is committed to driving innovation by developing a strong ecosystem of start-ups, academia, and IPs. With its core values of trust, value, and velocity, the company empowers over 250 active customers to For immediate release transform their business in the evolving tech landscape. Mastek has always been a solutions focused and relationship-centric company, valuing both employees and clients. With its humane approach, Mastek fosters growth through sustainable goals, high ethical standards, and responsible governance. For past results & conference call transcripts, please visit our website at https://www.mastek.com/investors/. Updated disclosures regarding corporate governance may also be accessed at https://www.mastek.com/investors-corporate-governance/. For further information, please contact: Asha Gupta Niraj Khemka Investor Relation Practice, E&Y LLP Head of IR & FP&A Email: Asha.Gupta@in.ey.com Email: investor.relations@mastek.com