Shareholders meeting

SEC/SE/034/2026-27 Chennai, July 08, 2026 To To National Stock Exchange of India Limited BSE Limited Exchange Plaza, Bandra Kurla Complex, 25th Floor, P.J. Towers, Bandra(E), Dalal Street, Mumbai – 400051 Mumbai – 400 001 NSE Symbol - DATAPATTNS Company Code: 543428 Sub: Revised Annual Report for the Financial Year ended March 31, 2026, along with Notice of 28th Annual General Meeting (AGM) and E-voting details Dear Sir/ Madam, This is in furtherance to our letter no.: SEC/SE/032/2026-27 dated July 07, 2026 wherein the Company had submitted its Annual Report for the financial year ended March 31, 2026. We enclose herewith the Revised Annual Report (including the Business Responsibility and Sustainability Report) for the Financial Year 2025-26, along with the Notice of 28th Annual General Meeting (“AGM”) of the Company dated June 25, 2026, setting out the business to be transacted thereat, scheduled to be held on Friday, July 31, 2026, at 11:00 a.m., IST through Video Conferencing or Other Audio Visual Means (“VC/OAVM”). Please note that the revision in the Annual Report is pertaining to removal of certain client related data. There is no change in the Notice of AGM. We request you to take the above on record and oblige. Thanking You. For Data Patterns (India) Limited Prakash R Company Secretary and Compliance Officer Membership No: F13620 Encl: As above 28th Annual Report 2 0 2 5 - 2 0 2 6 D A T A P A T T E R N S ( I N D I A ) L I M I T E D B U I L D I N G A S E L F - R E L I A N T I N D I A Contents Corporate Overview 03 Chairman’s Statement 06 Letter from Director 08 Board of Directors 10 Highlights of the year 11 Management Discussion & Analysis 17 Directors’ Report 23 Report on Corporate Governance 53 Business Responsibility and Sustainability Report 76 Independent Practitioner’s Reasonable Assurance Report 112 Independent Auditor’s Report 116 Financial Statements 128 Forward-looking statement In this annual report we are presenting some forward-looking information to enable investors to comprehend our prospects and take informed investment decisions. This report and other statements - written and oral - that we periodically make contain forward-looking statements that set out anticipated results based on the management’s plans and assumptions. Wherever possible, we have tried to identify such statements by using words such as ‘anticipates’, ‘estimates’, ‘expects’, ‘projects’, ‘intends’, ‘plans’, ‘believes’, and words of similar substance in connection with any discussion of future performance. We cannot guarantee that these forward-looking statements will be realised, although we believe we have been prudent in our assumptions. The achievement of results is subject to risks, uncertainties and even inaccurate assumptions. Should known or unknown risks or uncertainties materialise, or should underlying assumptions prove inaccurate, actual results could vary materially from those anticipated, estimated or projected. We undertake no obligation to publicly update any forward looking statements, whether as a result of new information, future events or otherwise. Data Patterns (India) Limited | Annual Report 2025-26 Corporate Snapshot DATA PATTERNS (INDIA) LIMITED. LEVERAGING A STRONG TECHNICAL KNOWLEDGE AND RICH EXPERIENCE IN RADARS, ELECTRONIC WARFARE, COMMUNICATION SYSTEMS AND AVIONICS. EQUIPPED TO DEVELOP ‘MADE IN INDIA’ SOLUTIONS, REDUCE IMPORTS AND EFFECTIVELY PARTICIPATE IN THE EMERGING INDIAN DEFENCE ECO-SYSTEM, MAKING DATA PATTERNS A PREMIUM DEFENCE AND AEROSPACE ELECTRONIC SOLUTIONS COMPANY IN INDIA. Data Patterns (India) Limited | Annual Report 2025-26 3 CORPORATE OVERVIEW STATUTORY REPORTS FINANCIAL SECTION Performance Highlights 2025-26 Incorporated in 1,599 Employees 32% Revenue and 1998 1,096 Engineers 27% EBITDA CAGR (FY22-26) 63% Gross and 17% ROE and Rs 926 Cr Order Book 40% EBITDA Margins 23% ROCE at 31st March 2026 From Design Senior personnel associated with to Delivery Company for more than 2 decades (Rs. in Cr.) Particulars (Rs. Cr) FY21 FY22 FY 23 FY24 FY25 FY26 Total Revenue 227 315 463 566 755 953 EBITDA 92 141 172 222 275 371 EBITDA Margin % 41% 45% 38% 43% 39% 40% Profit Before Tax 75 127 165 242 295 364 Profit After Tax 56 94 124 182 222 271 Share Capital 1.7 10.38 11.2 11.2 11.2 11.2 Other Equity 206 564 1156 1313 1497 1725 Total Debt 33 7 0.7 - - - Current Liabilities 72 103 126 350 277 140 Return on Net Worth 31% 24% 14% 15% 16% 17% Debt to Equity 0.2 0 0 0 0 0 Trade Receivables 156 198 382 399 596 728 Cash and Cash Equivalents 9 177 215 88 38 57 Other Bank Balances - - 332 305 89 37 Current Assets 261 520 1231 1401 1451 1468 4 Data Patterns (India) Limited | Annual Report 2025-26 5% 4% 13% 9% 64% 51% 40% Strong 25% Order Book Across Verticals 45% 51% Orderbook Build-up 31% FY22 FY23 FY24 FY25 FY26 Production Development Service 5% 5% 4% 5% 29% 42% 43% 37% Diversified Revenue Profile 66% 53% 53% 58% Revenue Growth across all 25% Categories FY22 FY23 FY24 FY25 FY26 Production Development Service Data Patterns (India) Limited | Annual Report 2025-26 5 CORPORATE OVERVIEW STATUTORY REPORTS FINANCIAL SECTION Chairman’s Message Dear Shareholders, I write this message with immense pride, gratitude, programmes, products must already be developed, and optimism. FY2026 has been a landmark year in validated, and ready for deployment. This belief has the journey of Data Patterns (India) Limited with an guided our investments for many years and continues excellent financial performance and an all-time high to shape our strategy today. order book in the Company’s history. This milestone We have consistently focused on identifying represents much more than business growth. It also technology gaps, developing indigenous solutions, reflects the continued confidence that our customers, and creating products in areas where domestic partners, and stakeholders have placed in our alternatives are limited or unavailable. Our objective capabilities, our execution track record, and our long- is not merely to participate in existing markets but term commitment to strengthening India’s defence to expand our addressable opportunity through ecosystem. innovation, engineering excellence, and intellectual The world today is witnessing profound geopolitical property creation. shifts. Conflicts across regions, growing security During FY26, we continued to strengthen our concerns, and rapid technological advancements capabilities across radars, electronic warfare have fundamentally altered the way nations systems, avionics, communication systems, and approach defence preparedness. Closer home, strategic defence electronics. The Company recorded Operation Sindoor demonstrated the importance order inflows of approximately `1,121 crore during of indigenous defence capabilities and the strategic the year, representing growth of 216% year-on-year. value of technological self-reliance. The successful These orders were diversified across multiple defence deployment of the BrahMos missile system during and aerospace programmes, reflecting growing this period was a proud moment for every Indian. customer confidence in our technological capabilities For all of us at Data Patterns, it carried a special and execution excellence. significance, knowing that our Company contributed to a programme of such national importance reinforces A key driver of our future growth continues to be our belief that our work extends beyond products our investment in research and development. Over and platforms. Our efforts ultimately contribute to the last few years, we have invested significantly in safeguarding the nation and strengthening India’s building indigenous capabilities across radar systems, strategic capabilities. electronic warfare, communication systems, airborne platforms, and strategic defence technologies. Many These developments have also accelerated of these programmes have now reached advanced India’s journey towards Aatmanirbhar Bharat. stages of developme [Showing first 8,000 characters — download PDF for full document]