Announcement PDF Barrenjoey Emerging Growth Conference 25 November 2025 Stephen Kowal Chief Executive Officer and Executive Director Important Notice & Disclaimer The material in this presentation is general background information about Atturra Limited (34 654 662 638) (Company) and its activities current as at the date of this presentation, 25 November 2025. It is information given in summary form and does not purport to be complete. It should be read in conjunction with Company’s other periodic and continuous disclosure announcements filed with the Australian Securities Exchange, which are available at www.asx.com. Information in this presentation is not intended to be relied upon as advice to investors or potential investors and does not consider the investment objectives, financial situation or needs of any particular investor. Investors should consider these factors, and consult with their own legal, tax, business and/or financial adviser in connection with any investment decision. This presentation has not been audited in accordance with the Australian Auditing Standards. This presentation contains statements that are or may be deemed forward looking statements. Readers are cautioned not to place undue reliance on such forward-looking statements. Such forward-looking statements are not guarantees of future performance and involve known and unknown risks, uncertainties and other factors, many of which are beyond the control of the Company, which may cause actual results to differ materially from those expressed or implied in such statements. There can be no assurance that actual outcomes will not differ materially from these statements. No representation or warranty, expressed or implied, is made to the fairness, accuracy, completeness or correctness of the information, opinions and conclusions contained in this presentation. To the maximum extent permitted by law, the Company and its related bodies corporate, respective directors, employees or agents, and any other person does not accept any loss arising from the use of this presentation or its contents or otherwise arising in connection with it, including without limitation, any liability from fault or negligence. 2 Welcome 1. FY25 Financial Highlights 2. Data & Integration/Boomi ACP 3. Atturra AI 4. Defence & National Security 5. K-12 & ScholarionTM 6. Atturra Cloud & Cybersecurity FY25 Financial Highlights Atturra Snapshot 5 Atturra aims to be Australia’s leading advisory and IT solutions provider. Technology Strategy Benefit from above market growth Provides a level of pricing power Increase in market size High-growth technologies Specialist and niche-technologies Expand into Enterprise Solutions Industry Strategy Sales differentiation Low client churn Stable predictable revenue streams Deep industry capabilities Industry specific IP Expansion into Natural Resources $30m+ Cloud Revenue 1,200+ $91m Staff members Cash & cash equivalents Locations Australia, NZ, USA Singapore, Hong Kong $14.7 Cash Flow from Operations million Financial Highlights Consolidated EBITDA (Underlying) FY25: $31.5m Revenue Composition 24% Revenue growth pcp 24% Underlying EBITDA growth pcp 78% Predictable revenue* * Predictable revenue is the combination of recurring revenue and long-term client revenue Figures in AUD in millions ($) unless stated otherwise. Recurring Revenue Other Revenue Long-Term Client Revenue 0 0 0 31% 47% 22% 15.1 21.0 25.5 31.5 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 FY22 FY23 FY24 FY25 134.6 178.3 243.4 300.6 0.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 FY22 FY23 FY24 FY25 CAGR = 28% CAGR = 31% Consolidated Revenue FY25: $300.6m Core Metrics Our Business Philosophy continues to focus on growth while delivering a sustainable margin Investment Philosophy Underlying EBITDA* margin of approximately 10.5% and investing consistently into business growth and IP 10.5%+ IS TO FOCUS ON: Growth Philosophy per annum targeting a mix of both organic and inorganic 20%+ * Underlying EBITDA (uEBITDA) is a financial measure which is not prescribed by the Australian Accounting Standards (AASBs) and represents profit under AASBs adjusted for specific items, including capital raising costs, share-based payments, merger and acquisition (M&A) transaction costs and retention costs. REVENUE GROWTH FY26 Revenue Forecast $384M FY26 uEBITDA Forecast $40.3M Long-Term Client Revenue Recurring Revenue Other Revenue 29% 29% 42% FY25 Revenue Composition 78% Predictable Revenue 31% 47% 22% Atturra Capabilities Providing end-to-end solutions MANAGED SERVICES DATA & INTEGRATION ADVISORY & CONSULTING BUSINESS APPLICATIONS CLOUD BUSINESS SOLUTIONS Atturra is an ASX-listed sovereign IT and business advisory provider with a strong footprint in Government, Defence, and Aged Care. Atturra is the only ASX-listed sovereign provider with 6 Microsoft solution partner designations, with a focus on advising, integrating and managing applications at an enterprise scale for highly regulated organisations. Atturra is the only ASX-listed company that is an award-winning leading partner in APJ for both structured and unstructured data enterprise solutions. Atturra is an ASX-listed sovereign Managed Services provider in ANZ with end-to-end capability to advise, integrate and manage the infrastructure for both mid-market and enterprise organisations. Atturra is an ASX-listed company that supports the full end-to-end capability of the core technologies we work with, such as TechnologyOne, SAP, Infor and QAD. Data & Integration ACP Boomi Moments that Matter with Data Moments that Matter with Data Global iPaaS Market - USD $10.5B (2023 estimate) to USD $71B by 2030 (Grand View Research) Data Lake - USD $13.62B (2023) and projects USD ~$59.9B by 2030 (CAGR ~23.8%) AI Data Readiness Platforms USD $2.85B (2024) to USD $22.6B by 2033 (Source: Grand View Research + DataIntelo) Turning Data into Action: “Finding Moments that Matter with Data” Integration & Automation Unifying data, applications, and content across silos — enabling real-time decision- making and operational agility. Data Intelligence & Insights Modern data architectures, analytics, and visualisation that turn complexity into clarity and empower every decision. Governed AI & Automation Deploying Agentic AI frameworks that automate processes, reason autonomously, and act responsibly — with governance built in. Trusted Information Management EIM and ECM solutions that manage unstructured content, protect compliance, and make knowledge instantly discoverable. Data Platform as a Service Atturra Cloud Platform (ACP) for Boomi, Denodo, and Nuix — delivering secure, scalable, and managed data environments. WHAT WE DELIVER WEBMETHODS ENABLED OVER 600 13 clients to find moments that matter with data KEY INDUSTRIES Financial Services Healthcare Higher Education Manufacturing Local Government Utilities Data Challenges We Solve 02 Slow Response to Change 01 Disconnected Decisions 03 Fragmented Customer Experience 05 Stalled AI & Automation Initiatives 04 Data Without Trust 06 Regulatory Pressure & Reporting Gaps 07 High Cost of Ownership BUSINESS OUTCOME-FOCUSED Powered by Agentic AI, Where Automation Thinks 03 When customers expect instant outcomes 01 When data needs to think for itself 04 When complexity overwhelms teams 06 When AI must collaborate, not just calculate 05 When governance can’t be optional 07 When speed defines success 08 When innovation meets accountability 02 When every process needs a co-pilot ATTURRA AI Empowering Enterprise Data Atturra gives your business the fastest, safest and most cost-effective path to enterprise AI – no matter where your data lives. Break down silos, drive smarter decisions, automate at scale, and unlock new value from your data, all backed by local expertise and a platform built for the realities of regulated, complex organisations. AGENTIC AI Enable autonomous intelligent agents to design, orchestrate, and optimise your business process AI-Driven Design Autonomous Orchestration Intelligent Recommendations DATA & AI GOVERNANCE Ensure trust, compliance and transparency with robust governance and policy for AI- powered integration API Management Control Tower Data Lineage AI Policy & Compliance GenAI (aiPaaS) Unlock enterprise grade GenAI – secure, scalable, and tailored to your integration needs GenAI Orchestration Private GenAI Environment RAG & Semantic Search AI Enablement for Integration Introducing ACP for Boomi and beyond Boomi Advanced Cloud Platform (ACP) – Launched July 2025 Powered By Atturra What is ACP? Boomi Advanced Cloud Platform or Boomi ACP is an end-to-end cloud- hosted environment designed for running Boomi securely and reliably. Available on Boomi Price Book and covers all regions (plus more if required). An end-to-end cloud-hosted environment designed specifically for running Boomi with managed services and a secure, scalable infrastructure Advanced Cloud Platform Boomi ACP Multiple tiers Live in days Optimised performance Up to 99.999% platform SLA Enterprise Monitoring included Secure Available globally Cloud- hosted Fully Managed Fixed price Single contract Scalable Boomi ACP Why Partnership since 8X Gartner iPaaS MQ Leader Clients use Boomi Fortune 500 companies OEM agreements 2016 1000+ Successful projects APJ Partner of the Year 8x 20K 50% 150+ Why Cloud Computing? Reduce risk, improve agility, accelerate business modernisation SCALABILITY & FLEXIBILITY ENHANCED SECURITY COLLABORATION COST EFFICIENCY BUSINESS CONTINUITY Companies adopting cloud computing report average saving of 15% on all IT spending, and more than 20% for large organisations 70% of enterprises cite scalability as a significant factor for cloud adoption, enabling businesses to quickly scale resource up or down as needed 80% of businesses report improved collaboration across geographically dispersed teams due to cloud-based tools 94% of businesses see improved security after adopting cloud solutions, with a significant reduction in breaches 96% of businesses with cloud-based disaster recovery and backup solutions recover operations within 4 hours compared to 50% of businesses using traditional methods (Source: IT Desk News Digital Innovation) Market Opportunity for Boomi ACP Over 20,000 Boomi clients worldwide without a seamless, cost-effective runtime solution The current alternative is expensive and has technical limitations Complements Boomi’s Sales team, enabling them to close more deals faster We can deliver this globally, reducing overheads and complexity, lack of expertise Boomi is trusted by Clients globally for automation. 20,000+ Why? 02 01 03 04 Addressable Market for ACP Additionally, expecting multiple project delivery requests globally GTM TARGET # OF DEALS AVG DEAL SIZE (USD) ARR (USD) EXISTING CLIENTS Potential: 20,000 Clients Initial Target: 2.5% 500+ $40K $20M NEW CLIENTS via Boomi Sales Team 228 Boomi Sales Reps Potential: Avg 10 deals/rep/year Initial Target: 5% per year 114+ $40K $4.5M OEM BOOMI PARTNERS 150 Globally Potential: 150X Initial Target: 0.75% 1+ $40K $40K Potential Deals 615+ Target ARR (USD) 24.5M+ Sales team size 200+ ACP Global Success 45+ Clients What’s Next for ACP? https://www.gartner.com/en/newsroom/press-releases/2024-09-11-gartner- forecasts-it-spending-in-australia-to-grow-almost-9-percent-in-2025 FOR BOOMI Upsell complementing solutions • CodeGuard • Implementation • Managed Services • Add Atturra CodeGuard to ACP feature list (new price book entry) ACP for Boomi is a start. More to follow. BEYOND Create ACP for other technologies • ACP for Denodo • ACP for InfoArchive Atturra AI domestic AI capability per annum in Economic value per annum In export opportunities per annum Almost certainly we are underestimating the impact of AI. Julian Stodd, social scientist $142 B $112 B $18 B $11 B in gains through adoption per annum Australia’s AI Opportunities, 2025 Shahar Merom. By 2030, AI Can Contribute $142 B p.a. in Value Market Insights Key blockers to AI adoption Skills & resources shortage Mistrust in AI hampering ability to scale Cyber attacks cost drag and risk aversion FY24 R&D investment in AI increased Information and communication services R&D is leader – up 50% Purpose, data and infrastructure limitations The data & AI challenge / opportunity is poorly framed Poor data quality and difficult access ‘Public Cloud only’ strategies hamper progress ACS Digital Pulse 2025 Australian Bureau of Statistics 22/8/2025 Atturra AI Playbook - Focus on Sector specific AI Hybrid infrastructure options for stronger cost control & performance Hybrid data platforms to reduce time to quality Data • Advanced analytics • Agentic AI Process automation • Vertical copilots • Atturra Private AI Cloud • Azure • AWS • On-prem AI strategy & Roadmap • Structured • Unstructured Integrating our capabilities Data & AI Architecture – Too slow, Too expensive Application databases Datacentres • Trading forecasts • Predictive maintenance ML • Decision Support + GenAI • Performance & Compliance reporting Data lake Cloud Private Cloud Data virtualisation (Denodo) CAGR of 38% for Australian Data Analytics to 2030 Inference as a service Sovereign AI Compute and Applications Adds $18 B to Australia’s Economy by 2030 Managed services and solutions to accelerate enterprise data and AI capabilities Appliances Appliances for on-premises / client private cloud AI solutions, e.g., Nuix Neo, LLM Managed services Atturra Private AI Cloud Azure Analytics solutions Data platform solutions AWS Atturra Cloud Platform GPU compute as service Private LLM ML training / execution Defence & National Security 350+ Security Cleared staff Local Sovereign, growing skills onshore, using local people and delivering locally Led By industry specialists with 30+ years' experience Core Focused on supporting and enabling critical capabilities the Strategic Centre Defence Credentials Strategically Engaged & Trusted With leading Industry expertise 320+ CONSULTANTS 1000+ SUCCESSFUL PROJECTS CONTRACTS DELIVERED $250+m • Atturra’s mature cloud and security capabilities supporting secure government cloud migrations. • Growing adoption of augmented reality. • Supporting Defence ERP scaling across government and international markets. STRATEGIC INITIATIVES CY25 PROGRESS • Re-signed Joint Experimentation Contract. • Won Vendor Invoice Management project on providing Defence ERP SAP experts. • Renewed Sustainment contract with ASCA. • Won continuation of the Defence Preparedness Management System. • Won sustainment contract on Defence ERP Project subcontracting to IBM. AUSTRALIA & NEW ZEALAND offices 8 2 countries Joint Experimentation Defence Preparedness Management (DPMS) Enterprise & Strategic Risk Management Defence ERP STRATEGICALLY ENGAGED & TRUSTED SME Gateway Facilitates SME access to Defence work through their system of procurement panels Promoting the development of Australia’s sovereign industry capability Business model: • Acts as the Prime Contractor • Member companies win & deliver the work Largest, longest-serving and most reputable aggregator and facilitator of SME support to Government 450+ COMPANY MEMBERSHIPS 6STATES & TERRITORIES across 1,560+ CONTRACTS FACILITATED 110+ CURRENT ENGAGEMENT Contracts Across all Defence Services & Groups 21+ YEARS Track Record Experimentation Atturra has been closely involved in the Joint Experimentation Directorate (JED) since its inception in 2016. Individual events delivered include Operational Baselining, Force Options Testing, Guided Weapons Explosive Ordnance Governance, Full Spectrum Undersea Warfare and Integrated Air & Missile Defence. 70+ SUCCESSFUL ACTIVITIES/ WARGAMES 9+YEARS PARTNERING WITH DEFENCE IN JED Other Experimentation CASE STUDY Defence Industry Utilities DSTG Air Force NZDF JED’s yearly Operational Assessment Reports (OAR) have directly informed: Force Structure Plan 2020 (FSP2020) National Defence Strategy (NDS) Integrated Investment Program (IIP) Panel Opportunity Training Support Services POTENTIAL REVENUE $10m-$15m per annum Estimated based on value of previous Commonwealth contracts Purpose To deliver individual and group training to Defence and other entities through provision of exercise support Team Atturra Atturra has formed a consortium with 32 other companies to provide training and exercise support across 76 separate sub-categories and levels Progress Accepted as preferred tenderer and negotiations complete – awaiting deed operational Atturra has the depth, capability, trust and reputation to lead a large complex consortia pulling in all Next Steps We are ready and looking to leverage all capabilities Growth Market Opportunity Atturra’s Defence Focus Prime Contractor Establish Atturra as a viable and sovereign systems integrator alternative to the global suppliers System Integration Bring all of Atturra’s capabilities together to deliver more and larger, mission-ready, resilient and scalable system outcomes Sovereignty Leverage a deeply rooted sovereign advantage Collaboration • 12 New Contracts • 3 MRR EAS Contracts • Continued re-engagement for follow-on work Atturra Defence YTD Defence ICT Acquisition Program FY24 $857.6m FY25 $431.9m FY26 $385.7m FY27 $544m FY28 $668.4m Source: Portfolio Budget Statements 2024-25 Foster trust, transparency & innovation Challenges & Opportunities Government directed fiscal contractions with follow-on future growth opportunity (PBS) Atturra’s Competitive Advantage In a dynamic regional and global environment, where ADF is increasingly digitally reliant, Atturra is centrally placed at Strategic, Application and Operational levels to support Defence and National Security decision makers, and the overlap into other areas on Government and Industry cannot be overstated: Cloud Readiness Digital Transformation ALL CRITICAL K-12 Education & ScholarionTM 43 30+ K-12 Services 5 Scholarion Clients 100+ Years of education experience 300+ Clients K-12 Credentials State Education Departments Market Overview 1,759 CATHOLIC 1,167 2024 INDEPENDENT DIFFERENCE 15 6,727 GOVERNMENT 2024 2024 1,764 1,153 2023 6,712 2023 2023 DIFFERENCE -5 DIFFERENCE 14 • Lutheran Education • Christian Schools Australia • Islamic Schools Association of Australia • Edmund Rice Education Australia • Anglican Education Australia Addressable Market Catholic Sectors Independent Education Independent Schools Broader scale and reach with longer procurement cycles. Second biggest employer behind state governments. Shared service provided by CNA, CEnet and BCE. ISQ, AISNSW, ISV etc. standard panel arrangement. Single schools, with unique characteristics and procurement processes. Sub segments Market Opportunity Australian edtech market generates in revenue annually Source: EduGrowth 2025 A$3.6 billion Why? The market is underserved and disgruntled. 02 01 03 04 05 The market is growing (+24 new schools in 2024/25). Consistent spend at a base level – core to school operations and hard to displace. Compete at a different level – this is a platform conversation. Globally, technology is revolutionising the way education is experienced, consumed and purchased. Student needs and engagement requirements 02 Teacher retention, workload & curriculum delivery 01 Data silos & lack of actionable insight 03 Funding changes, growth & infrastructure sustainability 05 07 Disruptive technologies and AI 04 User experience & community expectations 06 Market shifts, competition & governance Industry Challenges & Trends A dedicated platform of 12 modules for school management leveraging the best features of Microsoft Dynamics 365. Student Information System Atturra’s Solution ScholarionTM Assessment & Gradebook School Reports Student Location, Tracking & Activity Cocurricular Management Meetings, Functions & Excursions Resource Management Community Campaign & Engagement Incident Management Behaviour, Awards & Development Communications Management Staff, Student & Parent Portals Finance, HR & Payroll People & Profiles Microsoft Business Applications Identity, security, management & compliance Global cloud infrastructure & services Azure OpenAI Service PRODUCTIVITY & COLLABORATION BUSINESS DATA & PROCESSES LOW-CODE SOLUTIONS MICROSOFT DATAVERSE MICROSOFT GRAPH Copilot Word PowerPoint Excel Outlook Teams Power Apps Power BI Power Pages Copilot Studio Power Automate Sales Supply Chain Field Service Finance Marketing Customer Service ScholarionTM Market Opportunity Atturra Strategy Significant increase License fees increased by 200% plus The education sector is disgruntled with their current vendors Package solutions Not flexible enough to meet current school needs Bolt on to the SIS 45+ Disgruntled clients First target Multiple school deals: Systems and larger groups of schools Targeting well known schools Events and Marketing: Principal, COO/CFO and CIO/Director of IT TASS Compass Veracross TESS/Synergetic/Zunia Civica Salesforce Competitive Landscape Foundation Client Brisbane Grammar School third party risks associated with immature vendor(s) packages Strategic Value Flagship innovation From service provider to platform leader Unified platform Purpose-built, integrated, AI-ready SIS Recurring growth Sticky, long-term revenue and growth opportunities Strategic showcase Dynamics 365, Power Platform and AI in action Market relevance Reasserts presence amid education competition Ecosystem value Drives cloud usage and partner-led growth LONG-TERM STICKINESS MUTUAL ECOSYSTEM GROWTH STRATEGIC RELEVANCE VALUE Sales Approach Focused on the operational services schools need Dioceses, department and large Independents for bigger deals Leverage partner relationships (in particular, Microsoft) Leverage existing client base Events and marketing rhythm T1 migration Sales and Product Team 50 schools in our sales pipeline Revenue Composition Annual license fee Support program Configuration and future features (e.g. boarding, school shops) Consulting and readiness services Extension opportunities (data, AI/ML, early warning/risk detection) Atturra Cloud & Cybersecurity Market Opportunity CLOUD SPENDING Clients focusing more on Opex spending GENAI INNOVATION Driving demand for GPU Clusters and storage NEED TO MODERNISE Clients want to replace outdated, systems with agile, cloud-native solutions 70% of infrastructure decision makers in Australia use hybrid cloud as part of their cloud deployment strategy. Forrester 2023 Competitive Advantage Industry Recognised Cisco, NetApp, Red Hat, and more — trusted cloud partner. First in Australia to achieve Microsoft Private Cloud designation Sovereign & Secure Private Cloud and our own datacentres (NZ) 99.999% uptime over previous 3 years 6Pb+ cloud storage managed across ANZ End-to-End Cloud Lifecycle Only ASX-listed sovereign managed services provider offering full lifecycle. Vertical Expansion Strategy Deep expertise in Federal Government, Education, and Resources Replicating secure platforms across sectors Atturra’s Private Cloud AU-EAST 6 Data centres  Cloud  Connect  Secure  Colocation AU-WEST 2 Data centres  Cloud  Connect  Secure  Colocation AU-SOUTHEAST 3 Data centres  Cloud  Secure  Colocation NEW ZEALAND 5 Data centres  Cloud  Connect  Secure  Data centres PERTH BRISBANE NEWCASTLE MELBOURNE CANBERRA NEW ZEALAND SYDNEY Atturra Cloud Growth Atturra Cloud business generated $30.8m revenue in FY25 Forecast for double-digit growth going forward (Excludes ACP-IP offerings) FY25 FY26F 45 40 30 20 10 0 35 25 15 5 CLOUD REVENUE Solutions Protect • Firewall Services • Zero Trust, Secure Access Service Edge • Identity Services, Multi-Factor Authentication • End Point, Application Whitelisting. Prevent • Vulnerability Management • Patching, Monitoring & Maintenance Services • Immutable data backups. Guard • Managed Detection & Response • Security Information & Event Management • Security Operations. An in-house team of infrastructure engineers and a partner ecosystem of strategists, analysts and experts ensures you get the right level of expertise across your business with affordable investment. Atturra Security Services Strategy Through a vCISO we can offer a range of advice across cyber strategy, road mapping, risk, resiliency planning & policy development. Assessments Atturra offer NIST & Essential 8 maturity assessments establishing a realistic gap analysis for your cyber improvement. Essential 8 As an established Managed Services provider, the Atturra team bring all of the skills to support your Essential 8 maturity journey across access control, data protection & platform currency. Testing We offer Offensive Security Testing & Penetration Testing options through our partner ecosystem. Our Clients Solving Client Challenges Client Challenges Costly and complex legacy infrastructure Unpredictable cloud costs Skills to manage modern infrastructure Aligned Cloud Services Modernisation services and cloud platforms Predictable Billing and cost optimisation 24x7 managed cloud infrastructure Atturra Market Opportunity & Focus Client choice and value derived from offering cloud services from on-premises, private and public cloud. Understanding our clients’ desire for AI-enablement gives us the opportunity to provide infrastructure that matches their needs. We help our clients to manage their environments and reduce the bill-shock. Hybrid Cloud Focus Client demand for AI Management & Cost Optimisation Cloud is where stickiness lives Once workloads, data, and AI are running on our platform, we become indispensable to the enterprise. Diego Nievas Chief Technology Officer - Managed Services, NZ