Press Release

SEC/038/2026-27 August 03, 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: Press Release Ref: Regulation 30 of SEBI (Listing Obligations and Disclosure Requirements), Regulations, 2015 Please find enclosed herewith a Press Release titled “Mastek and Innovaccer Partner to Accelerate AI-Powered Healthcare Transformation”, which is being issued by Mastek Inc., a wholly owned step-down subsidiary of the Company. The same is also uploaded on the Company's website at www.mastek.com. You are requested to take the same on record. Thanking you, Yours faithfully, For Mastek Limited Reena Raje Company Secretary & Compliance Officer Membership No.: A21440 Encl: AA 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 Mastek and Innovaccer Partner to Accelerate AI-Powered Healthcare Transformation Mumbai, India, August 3, 2026: Mastek Inc., a wholly owned step-down subsidiary of Mastek Limited (NSE: MASTEK; BSE: 523704), a trusted AI-first, digital engineering, and cloud transformation partner, has entered into a strategic Platinum Partnership with Innovaccer, the autonomous operations platform for healthcare. Innovaccer’s Healthcare Intelligence Platform, Gravity, which unifies fragmented clinical, claims and operational data into a single autonomous operations platform for healthcare. Mastek brings the engineering, data, and AI expertise with healthcare delivery experience needed to integrate, implement and scale the platform across complex enterprise environments. Together, the companies will help healthcare organizations transform siloed data into actionable intelligence, improving care outcomes, lowering the cost of care and unlocking new AI-driven use cases. This partnership makes Mastek Innovaccer’s platinum global partner with the expertise to implement and scale the Gravity Platform for healthcare organizations across North America, UK, Europe and Middle East. The partnership marks a significant milestone in Mastek's vision of becoming a leading AI transformation partner for the healthcare industry. By combining Mastek's expertise in Data, AI, and healthcare transformation with Innovaccer's market-leading platform, the two companies will help healthcare organizations build intelligent, connected, and data- driven healthcare ecosystems. For Innovaccer, the partnership expands its global transformation capabilities by leveraging Mastek's extensive healthcare delivery expertise and global presence to accelerate adoption of the Gravity Platform across North America and other strategic markets. Umang Nahata, CEO, Mastek, said, “Healthcare organizations need AI that is simple, trusted and built on connected data. Our Platinum partnership with Innovaccer strengthens Mastek’s ability to help customers turn healthcare data into actionable intelligence and accelerates our journey to become a leading AI transformation partner for the healthcare industry." "When leading healthcare-focused global systems integrators independently choose to build their delivery practices around Gravity, it tells the market that this platform is trusted to carry the most complex, high-stakes healthcare transformation programs in the world. Mastek joining our Platinum GSI program is a validation of that, and it gives us access to four decades of institutional relationships with health systems and governments across three continents. Together, we are bringing autonomous healthcare operations to markets where the ambition has always been there and the right platform and delivery partner have not been until now." said Abhinav Shashank, Co-Founder and CEO of Innovaccer. The partnership strengthens Mastek's healthcare portfolio while expanding Innovaccer's ecosystem of strategic partners, enabling both organizations to deliver faster, scalable, and outcome-driven digital transformation for the global healthcare industry. Press Contact Sudeshna Mukherjee | sudeshna.mukherjee@mastek.com 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 400+ active customers to 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.