The Press Release dated October 15, 2026, is as enclosed

NSE & BSE / 2026-27 / 161 October 15, 2026 The Manager The Manager Corporate Services Corporate Services National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex, P J Towers, Dalal Street, Bandra (E), Mumbai 400 051 Mumbai 400 001 Ref: Symbol: PERSISTENT Ref: Scrip Code: 533179 Dear Sir/Madam, Sub.: Press Release regarding financial results for the quarter and half year ended September 30, 2026 We wish to inform you that the Company has made a Press Release dated October 15, 2026, announcing the financial results for the quarter and half year ended September 30, 2026, as approved by the Board of Directors at its meeting held on October 15, 2026, at the Registered Office in Pune. A copy of the Press Release is attached for your records. Please acknowledge the receipt. Thanking you, Yours Sincerely, For Persistent Systems Limited Amit Atre Company Secretary ICSI Membership No.: A20507 Encl.: As above Persistent Systems Limited, Bhageerath, 402 Senapati Bapat Road, Pune 411 016, Maharashtra, India CIN - L72300PN1990PLC056696 Tel: +91 (20) 670 35555 | Fax - +91 (20) 6703 6003 | E-mail - info@persistent.com | Website - www.persistent.com Persistent Announces $487.6M Revenue in Q2 FY27 with 20.0% Y-o-Y Growth Secured approximately 94.04% of Nagarro’s share capital and voting rights, excluding treasury shares October 15, 2026 San Jose, CA and Pune, India News Summary Persistent Systems (BSE: 533179 and NSE: PERSISTENT) today announced the Company’s audited financial results for the quarter ended September 30, 2026, as approved by the Board of Directors. Consolidated Financial Highlights for the Quarter ended September 30, 2026: Q2FY27 Margin % QoQ Growth YoY Growth Revenue (USD Million) 487.6 7.8% 20.0% Constant currency growth 7.8% 20.8% Revenue (INR Million) 46,639.0 8.4% 30.3% EBIT (INR Million) 6,977.2 15.0% 1.6% 19.5% Operating PAT (INR 4,951.5 10.6% 2.5% 5.0% Million) PAT (INR Million) 3,515.1 7.5% -27.2% -25.4% Sandeep Kalra, Chief Executive Officer and Executive Director, Persistent “We are pleased to report Q2 FY27 revenue of USD 487.6M, marking our 26th sequential quarter of growth. This reflects a 7.8% increase quarter-over-quarter and 20.0% year-over-year, with an EBIT margin of 15.0%. We made substantial progress towards the Nagarro acquisition, securing approximately 94.04% of its share capital and voting rights, excluding treasury shares. We received shareholder © 2026 Persistent Systems Ltd. All rights reserved. 1 approval for an equity raise of up to USD 450M, with combined equity and borrowings capped at USD 1,250M at the Extraordinary General Meeting. The proposed combination aligns with our long-term M&A strategy to strengthen our engineering capabilities, diversify our geographic presence and expand our global delivery capabilities. We value the confidence shown by our shareholders and financing partners as we work towards closing. In parallel, we continue to strengthen our AI capabilities through our 3C framework and AI- driven platforms. Our focus is on developing Enterprise Context within our clients' environments that evolves with successive engagements and continues to grow in value as models, platforms and agents change. Our sincere thanks to our clients, partners, employees and shareholders for their continued trust and support. We look forward to building on this momentum as Persistent prepares for an important new chapter.” Second Quarter FY27 Client Wins and Outcomes The order booking for the quarter ended on September 30, 2026, was $633.5 million in Total Contract Value (TCV) and $481.0 million in Annual Contract Value (ACV). Some of the key wins for the quarter include: Software, Hi-Tech & Emerging Industries \ Accelerating mainframe and legacy modernization through agentic AI ecosystems, frontier models and a dedicated team of certified Forward Deployed Engineers (FDEs), enabling platform transformation across industries for a leading hyperscaler \ Reengineering a mission-critical Salesforce ecosystem through managed services, platform integration and AI-powered Customer 360, moving from stabilization to continuous delivery while unifying sales, service and operations for a leading storage and moving services provider \ Strengthening the data and AI foundation to keep pace with acquisition-led growth, addressing fragmented systems to accelerate brand integration and AI-powered personalization for an emerging U.S. beauty company Banking, Financial Services & Insurance \ Modernizing a large legacy estate supporting personal lines policy administration by migrating to a cloud-native insurance platform, enabling modern pricing capabilities, reducing costs and improving agility for a Fortune 500 U.S. insurer \ Streamlining legacy branch oversight and equipment finance operations with AI agents to eliminate manual inefficiencies and fragmented data, strengthening consistency, scalability and compliance while enabling bankers to focus more on clients for a leading U.S. bank © 2026 Persistent Systems Ltd. All rights reserved. 2 \ Simplifying complex, time-consuming asset transfers, wire transfers and estate settlements through agentic AI automation and streamlined case management, reducing total cost of ownership and enabling near-real-time processing for a large U.S. financial services firm Healthcare and Life Sciences \ Unifying fragmented IT operations across ERP, infrastructure and managed services through vendor consolidation and an AI-enabled delivery model, strengthening accountability and optimizing costs for a leading U.S.-based cancer center \ Owning end-to-end AI-augmented product engineering and enhancing security to address scalability, support demands and key-person dependencies, and accelerate product launches for a leading U.S. life sciences insights platform provider \ Scaling data and AI through a governed data platform and agentic AI, addressing fragmented data and limited AI adoption to equip caregivers with timely insights and improve care outcomes for a leading U.S.-based family caregiving provider Other News in the Quarter \ Persistent Secures Strong Majority Stake \ Persistent Shareholders Vote for Nagarro Offer \ Persistent received five awards at the ISG (Information Services Group) Provider Lens™ Awards 2026 \ For the second year in a row, Persistent was awarded the Growth Honor of the Year at Everest Group Elevate 2026 \ Persistent recognized at the BW Sustainable World Awards 2026 in the Climate Action & Carbon Neutrality Leadership category \ Persistent’s talent supply chain spotlighted in an ISB case study published by Harvard Business Impact \ Persistent recognized as one of America's Greatest Workplaces in Tech 2026 by Newsweek \ Persistent honored across seven categories at the People Matters Infini-T Awards India 2026 \ Persistent achieved Gold and Silver honors at the BW People HR Excellence Awards 2026 for HR leadership, technology, learning, and performance management © 2026 Persistent Systems Ltd. All rights reserved. 3 About Persistent Persistent Systems (BSE: 533179 and NSE: PERSISTENT) is a global services and solutions company delivering AI-led, platform- driven Digital Engineering and Enterprise Modernization to businesses across industries. With over 29,500 employees located in 21 countries, the Company is committed to innovation and client success. Persistent offers a comprehensive suite of services, including software engineering, product development, data and analytics, CX transformation, cloud computing, and agentic business automation. The Company is part of the MSCI India Index and is included in key indices of the National Stock Exchange of India, including the Nifty Midcap 50, Nifty IT, and Nifty MidCap Liquid 15, as well as several on the BSE such as the S&P BSE 100 and S&P BSE SENSEX Next 50. Persistent has been named one of America’s Greatest Workplaces in Tech 2026 by Newsweek and Plant A Insights Group. The Company is also a constituent [Showing first 8,000 characters — download PDF for full document]