Announcement PDF 18 MAY 2026 eos-aus.com NOT FOR DISTRIBUTION TO US WIRE SERVICES OR RELEASE IN THE UNITED STATES THE COUNTER DRONE COMPANY ELECTRO OPTIC SYSTEMS CAPITAL RAISING TO SUPPORT GROWTH OPPORTUNITIES DISCLAIMERANDIMPORTANTNOTICES(1/3) This presentation is authorised for release by the EOS Board of Directors The following notice and disclaimer applies to this investor presentation (Presentation) and you are therefore advised to read this carefully before reading or making any other use of this Presentation or any information contained in this Presentation. By accepting this Presentation, you represent and warrant that you are entitled to receive the Presentation in accordance with the restrictions, and agree to be bound by the limitations, contained within it. This Presentation has been prepared by Electro Optic Systems Holdings Limited ACN 092 708 364 (Company or EOS) and is dated 18 May 2026. This Presentation has been prepared in connection with the Company's proposed fully underwritten placement of new fully paid ordinary shares (New Shares) to institutional and sophisticated investors (Placement). The Placement is being conducted under section 708A of the Corporations Act 2001 (Cth) (Corporations Act). Following completion of the Placement, the Company proposes to make a follow-on offer of New Shares under a share purchase plan which will be made available to existing shareholders of the Company with a registered address in Australia and New Zealand (SPP or Share Purchase Plan and together with the Placement the Capital Raising or Offer). The SPP will be made in reliance on the relief provided by ASIC under the ASIC Corporations (Share and Interest Purchase Plans) Instrument 2019/547 which permits eligible Shareholders participating in the SPP to apply for up to $30,000 worth of New Shares. The SPP is not underwritten. Macquarie Capital (Australia) Limited (ABN 79 123 199 548), Canaccord Genuity (Australia) Limited ACN 075 071 466 and Bell Potter Securities Limited ACN 006 390 772 (each a JLM, and together the JLMs) are acting as joint lead managers, underwriters and bookrunners to the Placement. Summary information This Presentation contains summary information about the Company and its subsidiaries (Group) and their respective business activities which is current as at the date of this Presentation. The information in this Presentation is of a general nature and does not purport to be complete nor does it contain all information which a prospective investor may require in evaluating a possible investment in the Company. This Presentation does not comprise all of the information which would be required to be disclosed in a prospectus, product disclosure statement or other offering document under Australian law or any other law and will not be lodged with the Australian Securities and Investments Commission (ASIC) or any foreign regulator. The information in this Presentation should be read in conjunction with the Company's other periodic and continuous disclosure announcements lodged with the Australian Securities Exchange (ASX), which are available at www.asx.com.au or on the Company’s website at https://eos-aus.com. Market and industry data Certain market and industry data used in connection with this Presentation may have been obtained from research, surveys or studies conducted by third parties, including industry or general publications. None of the Company, its representatives or advisers have independently verified any such market or industry data provided by third parties or industry or general publications. Not investment or financial product advice This Presentation is not and does not form part of any offer, invitation, or recommendation in respect of securities. Any decision to buy or sell EOS securities or other products should be made only after seeking appropriate financial, legal and taxation advice appropriate to their jurisdiction. Statements made in this Presentation are made only as at the date of this Presentation. Reliance should not be placed on information or opinions contained in this Presentation and, subject only to any legal obligation to do so, EOS does not accept any obligation to correct or update them. The information in this Presentation remains subject to change without notice. This Presentation does not take into consideration the investment objectives, financial situation or particular needs of any investor. EOS is not licensed to provide financial product advice in respect of the New Shares. Cooling off rights do not apply to the acquisition of the New Shares. This Presentation is not and should not be considered an offer or an invitation to acquire New Shares or any other financial products and does not and will not form any part of any contract for the acquisition of the New Shares. The Capital Raising and the New Shares offered under it are not related to, and are not being made in connection with, the trading of the Company's securities on the Frankfurt Open Market of the Frankfurt Stock Exchange, which is a multilateral trading facility operated by Deutsche Börse AG. The distribution of this Presentation outside Australia is restricted by law and any such restrictions should be observed, including those set forth in the “International Offer Restrictions” section of this Presentation. In particular, this Presentation does not constitute an offer to sell, or the solicitation of an offer to buy, any securities in the United States. The New Shares have not been registered under the US Securities Act of 1933 or the securities laws of any state or other jurisdiction of the United States and may not be offered or sold in the United States except in transactions registered under the US Securities Act or pursuant to an exemption from, or in transactions not subject to, the registration requirements of the US Securities Act of 1933 and any applicable US state securities laws. Any failure to comply with such restrictions may constitute a violation of applicable securities laws (see 'International Offer Restrictions' section of this Presentation). By accepting this Presentation you represent and warrant that you are entitled to receive such presentation in accordance with the above restrictions and agree to be bound by the limitations contained therein. Investment risk An investment in New Shares is subject to investment and other known and unknown risks, some of which are beyond the control of the Company. The Company does not guarantee any particular rate of return or the performance of EOS nor does it guarantee any particular tax treatment. Investors should have regard to the 'Key Risks' section of this Presentation when making their investment decision. These risks, together with other general risks applicable to all investments in listed securities not specifically referred to, may affect the value of shares in the Company (including New Shares) in the future. There is no guarantee that the New Shares will make a return on the capital invested, that dividends will be paid on the New Shares or that there will be an increase in the value of the New Shares in the future. Share Purchase Plan An offer booklet in respect of the SPP will be made available to eligible shareholders in Australia and New Zealand following its lodgement with ASX (SPP Offer Booklet). Any eligible shareholder in Australia or New Zealand who wishes to participate in the SPP should consider the SPP Offer Booklet before deciding whether to apply for new shares under the SPP. Anyone who wishes to apply for new shares under the SPP will need to apply in accordance with the instructions contained in the SPP Offer Booklet and the application form. 2 DISCLAIMER AND IMPORTANT NOTICES (2/3) Financial data and rounding All dollar values are in Australian dollars (A$ or AUD) unless otherwise stated. This Presentation includes certain historical financial information as at 31 December 2025 unless stated otherwise (Financial Information). The Financial Information has been included in this Presentation in relation to the Capital Raising and should not be used for any other purpose. The Financial Information is intended to present investors with information to assist them in understanding the underlying historical financial position of EOS. The directors of EOS (the Directors) are responsible for the preparation and presentation of the Financial Information. The Financial Information is presented in an abbreviated form insofar as it does not include all the presentation and disclosures, statements or comparative information as required by Australian Accounting Standards (AAS) and other mandatory professional reporting requirements applicable to general purpose financial reports prepared in accordance with the Corporations Act 2001 (Cth). Certain financial measures included in this Presentation are "non-IFRS financial information" under ASIC Regulatory Guide 230: "Disclosing non-IFRS financial information". While EOS believes that this non-IFRS financial information provide useful information to users in measuring the financial performance and conditions of EOS, non-IFRS financial measures do not have standardised meanings prescribed by AAS or International Financial Reporting Standards (IFRS), may not be comparable to the calculation of similar measures of other companies. Therefore, you should not place undue reliance on any non-IFRS financial information included in this Presentation or construe them as alternatives to other financial measures determined in accordance with AAS or IFRS. This Presentation contains pro forma financial information. Investors should note that the pro forma financial information included in this Presentation is for illustrative purposes only, is not represented as being indicative of EOS's views on its future financial condition or performance. Pro- forma financial information in this Presentation has not been audited or reviewed in accordance with the AAS. A number of figures, amounts, percentages, estimates, calculations of value and fractions in this Presentation are subject to the effect of rounding Past performance The operating and historical financial information given in this document is given for illustrative purposes only and should not be relied upon as (and is not) an indication of the Company's views on the future performance of the Group. Investors should note that past performance, including past share price performance, of EOS cannot be relied upon as an indicator of (and provides no guidance as to) future performance of EOS including future share price performance. The financial information contained in this Presentation is, or is based on, information that has previously been released to ASX. Information about MARSS By accepting this Presentation, you acknowledge that all information in the Presentation and the other materials relating to the Capital Raising in relation to the MARSS business, including the financial information and information relating to order book and contracts, has been sourced from the vendors of the MARSS business, their representatives or associates. While steps have been taken to review that information, no representation or warranty, expressed or implied, is made as to its fairness, accuracy, correctness, completeness or adequacy. EOS has only performed limited due diligence on the records of the MARSS business and has not independently verified the information provided to it, or any other information provided by vendors of the MARSS business. You are cautioned that you should not place reliance on this information. Forward-looking statements This Presentation contains certain "forward looking statements" that are based on management's beliefs, assumptions and expectations and on information currently available to management. Forward looking statements can generally be identified by the use of forward looking words such as, “expect”, “anticipate”, “likely”, “intend”, “should”, “could”, “may”, “predict”, “plan”, “propose”, “will”, “believe”, “forecast”, “estimate”, “target” “outlook”, “guidance” and other similar expressions within the meaning of securities laws of applicable jurisdictions and include, but are not limited to, the outcome and effects of the Capital Raising and the use of proceeds. Indications of, and guidance or outlook on, future earnings or financial position or performance are also forward looking statements. You are cautioned not to place undue reliance on forward looking statements. Any such statements, opinions and estimates in this Presentation, speak only as of the date hereof and are based on assumptions and contingencies subject to change without notice, as are statements about market and industry trends, projections, guidance and estimates. Forward looking statements are provided as a general guide only. The forward looking statements contained in this Presentation are not indications, guarantees or predictions of future performance and involve known and unknown risks and uncertainties and other factors, many of which are beyond the control of the Group, and may involve significant elements of subjective judgement and assumptions as to future events which may or may not be correct. Refer to the 'Key Risks' section of this Presentation for a non-exhaustive summary of certain general and specific risk factors that may affect the Group. There can be no assurance that actual outcomes will not differ materially from these forward looking statements. A number of important factors could cause actual results or performance to differ materially from the forward looking statements, including the risk factors set out in this Presentation. Investors should consider the forward looking statements contained in this Presentation in light of those risks and disclosures. The forward looking statements are based on information available to the Company as at the date of this Presentation. No representation, warranty or assurance (express or implied) is given or made in relation to any forward looking statement by any person (including the Company or any of its advisers). In particular, no representation, warranty or assurance (express or implied) is given that the occurrence of the events expressed or implied in any forward looking statements in this Presentation will actually occur. Actual operations, results, performance, production targets or achievement may vary materially from any projections and forward looking statements and the assumptions on which those statements are based. Except as required by law or regulation (including the ASX Listing Rules), the Company disclaims any obligation or undertaking to update forward looking statements in this Presentation to reflect any changes in expectations in relation to any forward looking statement or change in events, circumstances or conditions on which any statement is based. 3 DISCLAIMER AND IMPORTANT NOTICES (3/3) General disclaimer To the fullest extent permitted by law, the Company, each JLM, and each of their respective subsidiaries, affiliates, related bodies corporate and their respective officers, directors, employees, agents and advisors (Extended Parties) make no representation or warranty (express or implied) as to the currency, accuracy, reliability, reasonableness or completeness of the information in this Presentation and accept no responsibility for any information provided in this Presentation, including without limitation any forward-looking information or statements, and expressly exclude and disclaim any responsibility and liability whatsoever (including, without limitation, for negligence) for any loss howsoever arising from any use of this Presentation or reliance on anything contained in or omitted from it or otherwise arising in connection with this Presentation. Investors acknowledge and agree that the determination of eligibility of investors for the purposes of the Capital Raising is determined by reference to a number of matters, including legal and regulatory requirements, logistical and registry constraints and the discretion of EOS and/or the JLMs. EOS and each JLM and each of their respective Extended Parties disclaim any duty or liability (including for negligence) in respect of that determination and the exercise or otherwise of that discretion, to the maximum extent permitted by law. The JLMs may rely on information provided by or on behalf of institutional investors in connection with managing, conducting and underwriting the Placement without having independently verified that information and EOS and the JLMs do not assume responsibility for the fairness, currency, accuracy, reliability or completeness of that information. Each JLM has not, nor have any of its Extended Parties nor the advisors to EOS, authorised, permitted or caused the issue, lodgement, submission, dispatch or provision of this Presentation and do not make or purport to make any statement in this Presentation and there is no statement in this Presentation that is based on any statement by any of those parties. Each JLM, together with its respective affiliates, is a full service financial institution engaged in various activities, which may include trading, financing, financial advisory, investment management, investment research, principal investment, hedging, market making, brokerage and other financial and non-financial activities and services including for which they have received or may receive customary fees and expenses or other transaction consideration. In the course of these activities, each JLM and its affiliates may at any time for their own account and for the accounts of their clients make or hold investments in equity securities or other financial products of EOS or its affiliates, and receive customary fees and expenses or other transaction consideration in respect of such activities. The JLMs are the underwriters of the Placement are acting for and providing services to EOS in relation to the Placement and will not be acting for or providing services to EOS shareholders or creditors. The JLMs have been engaged solely as an independent contractor and is acting solely in a contractual relationship on an arm’s length basis with the Company. The engagement of the JLMs by the Company is not intended to create any agency or other relationship between the JLMs and the Company's shareholders or creditors. Each JLM, in conjunction with its affiliates, is acting as underwriter to the Placement and will receive fees and expenses for acting in this capacity. In connection with the Placement, one or more institutional investors may elect to acquire an economic interest in the New Shares (Economic Interest), instead of subscribing for or acquiring the legal or beneficial interest in those securities. The JLMs (or their respective affiliates) may, for their own account, write derivative transactions with those investors relating to the New Shares to provide the Economic Interest, or otherwise acquire New Shares in EOS in connection with the writing of those derivative transactions in the Placement and/or the secondary market. As a result of those transactions, the JLMs (or their respective affiliates) may be allocated, subscribe for or acquire New Shares or securities of EOS in the Placement and/or the secondary market, including to hedge those derivative transactions, as well as hold long or short positions in those securities. These transactions may, together with other securities in EOS acquired by a JLM or its affiliates in connection with their ordinary course sales and trading, principal investing and other activities, result in the JLM or its affiliates disclosing a substantial holding and earning fees. Each JLM and its Extended Parties take no responsibility for any information in this Presentation or any action taken by you on the basis of such information. To the maximum extent permitted by law, the Company, the JLMs and their respective Extended Parties exclude and disclaim all liability (including without limitation liability for negligence) for any expenses, losses, damages or costs incurred by you as a result of your participation in or failure to participate in the Placement and the information in this Presentation being inaccurate or incomplete in any way for any reason, whether by negligence or otherwise. EOS, the JLMs and their respective Extended Parties make no recommendation as to whether you or your related parties should participate in the Placement nor do they make any representations or warranties to you concerning the Placement or any such information, and you represent, warrant and agree that you have not relied on any statements made by EOS, the JLMs or any of their respective Extended Parties in relation to the Placement generally and you further expressly disclaim that you are in a fiduciary relationship with any of them. To the maximum extent permitted by law, you agree to release and indemnify each JLM and its Extended Parties from and against all claims, actions, damages, remedies or other matters, whether in tort, contract or under law or otherwise, arising from or which may arise from or in connection with the provision of, or any purported reliance on, this Presentation and you covenant that no claim or allegations will be made against a JLM or its Extended Parties in relation to this Presentation. Time All references to time in this Presentation are to Sydney, Australia time, unless otherwise indicated. This Presentation is authorised for release by the Board of Directors of Electro Optic Systems Holdings Limited. 4 CAPITAL RAISING TO MEET ACCELERATING DEMAND Capital Raising of up to ~$175m, together with term debt facility, to fund the upfront consideration of MARSS acquisition and provide additional flexibility to accelerate growth 5 Electro Optic Systems → Capital Raising of up to $175m, comprising $150m Placement and up to $25m Share Purchase Plan → Proceeds from the Capital Raising, together with the previously announced term debt facility, will be used to: → Fund the upfront consideration of the MARSS acquisition → Increase balance sheet flexibility to pursue growth opportunities and execute on strategic initiatives → Capital Raising to result in ~$195m pro- forma net cash balance2 → Ongoing geo-political tensions and rapidly evolving technology driving demand for multi-layered counter-drone systems → Evolution of increasingly sophisticated, ‘cost-effective’ and autonomous drone capabilities require significant defence technology investment → Addition of MARSS’ ~$217m order book increases EOS’ existing ~$509m order book, to total order book of $726m1 → Transformational acquisition of MARSS sees EOS become an integrated turnkey prime defence contractor → Additional contracted orders, strengthening outlook for MARSS and industry interest driving increase to maximum performance linked earnouts → No change in upfront consideration → Combining EOS’ successful effector and sensor capabilities with MARSS’ AI enabled C2 NiDAR technology → MARSS has secured new orders totalling ~$165m from an existing Middle-East customer – demonstrating the sophisticated anti-drone solutions that MARSS can provide Accelerating structural demand for counter-drone defences Integrated counter-drone platform capabilities Capital Raising supports increased flexibility to accelerate growth 1 2 3 Note: 1. Subject to completion of the MARSS acquisition. Post-completion, certain contracts that were entered into by MARSS are expected to be novated to EOS subject to applicable processes and consents. 2. Net Cash includes Cash and Borrowings and is calculated as at 31 March 2026 ($95m) less $50m paid to acquire MARSS, plus $150m raised under the Placement (excluding the SPP). OVERVIEW OF EOS INTRODUCTION EOS’ growth strategy is focused on Counter-Drone and Space Control. The total illustrative order book is $726m, including ~$217m of acquired MARSS contracts → Market conditions are currently supportive: Focused EOS growth strategy - Counter-Drone and Space Control → MARSS acquisition announcement widens product range to include C2 systems and turnkey provider capability → NiDAR system has successfully protected Middle East critical infrastructure, driving accelerated customer enquiry → Illustrative Total Order Book of $726m1, with approximately 60-80% expected to convert to revenue in 2026 and 2027 → Recent MARSS £85m new order from existing Middle East customer, increasing MARSS order book to €135m (~A$217m) HIGH ENERGY LASER WEAPONS REMOTE WEAPONS SYSTEMS SPACE INTELLIGENCE AND CONTROL MARSS C2 NiDAR 7 Electro Optic Systems ANNOUNCED ACQUISITION KEY PRODUCT LINES COUNTER DRONE SPACE CONTROL Note: 1. As at the date of this announcement, including MARSS ~$217m order book. Subject to completion of the MARSS acquisition. Post-completion, certain contracts that were entered into by MARSS (including the £85m new order contract) are expected to be novated to EOS subject to applicable processes and consents. COUNTER DRONE: SLINGER CANNON-BASED AIR DEFENCE EOS continued to win orders, securing a new Slinger order for US$42m to a Middle East customer in March 2026 → Traditional kinetic drone kill → High accuracy - proven US trials EOS “SLINGER” PRODUCT EXAMPLE NOTABLE SALES → 10 systems ordered by the US Department of Defense in 2023 → €9m contract to supply Diehl Defence in Germany (Announced Jan 2024) → €31m naval contract - Western European government (Announced May 2025) → North American A$7m customer (Announced Oct 2025) → Western European A$20m customer contract (Announced Nov 2025) → Middle East US$42m customer contract (Announced Mar 2026) M230LF cannon Wind sensor 4-Axis Sensor Unit Gimbal Echodyne Radar Ammunition 8 Electro Optic Systems See slide 25 for EOS’ full remote weapons system product range 10 KM 1 KM 2 KM 3 KM 4 KM 5 KM 6 KM 7 KM 8 KM 9 KM COUNTER-DRONE SUCCESS REQUIRES A LAYERED RESPONSE EOS has a wide range of effectors for multi-layered counter-drone systems We aim to enhance this with the acquisition of MARSS’ and its NiDAR Command & Control (C2) system WEAPON / RANGE Electronic Warfare (EW) Remote Weapon System High Energy Laser Weapon 50-150kW EOS CURRENT FOCUS APKWS on RWS (Rocket) KEY EFFECTOR CRITERIA SHORAD Missile Range Accuracy Acquisition Cost Cost per Drone Kill Operating Cost Effectiveness Interceptor Drone MARSS NiDAR C2 ANNOUNCED ACQUISITION 50-100 KM 9 WORLD-FIRST 100KW HIGH ENERGY LASER WEAPON EXPORT CONTRACT Electro Optic Systems In 2025, EOS signed a €71.4m, (approx. A$125m) contract with the Netherlands. The project is ahead of schedule.​ DELIVERABLE - 100KW SYSTEM, INCLUDING: → Container module for truck → Laser modules incl. seed oscillators → Beam Director and Management System → System integration into multi-layered air defence system, incl. testing → Documentation and Support → Power and Cooling – local European supply CONTRACT → Unconditional, with customary termination & cancellation → Export licence from Singapore being processed → Project expected to be profitable and cashflow positive €71.4M Price 3 YEARS Duration 10 GROWTH EXPANSION: HIGH ENERGY LASER WEAPON Electro Optic Systems Growth on track - New factory opened, Netherlands launch contract well underway, sales opportunity pipeline growing rapidly PRODUCTION CAPACITY EXPANSION → Formal opening of new Singapore manufacturing facility on 6 February 2026 → Expanding laser team, technology, resources and capabilities NETHERLANDS CONTRACT UPDATE → Design approval milestones completed in 2025 and continue to progress in 2026 → Revenue earned and cash milestones being achieved on schedule or earlier → Ongoing discussions with customer re: potential scope increase and timing acceleration OPPORTUNITIES → Go-to-market strategy includes a range of approaches, including: → NATO – direct sales to governments and partner with national champions → Middle East – direct sales and partner with local producers → Other – range of channels, market specific approaches → Continued discussions (in late 2025 & 2026) regarding future HELW sales opportunities, including for Germany, France, Italy, Turkey, Saudi Arabia, UAE, India, Korea, Australia and the United States. → EOS has a US$80m conditional contract with Goldrone. Based on discussions with the customer, and having regard to the evolving impact of conflict in the Middle East (including on firing range availability), EOS believes that satisfaction of the conditions under the contact has been delayed and could be concluded in 2027. There is no guarantee that this will occur. 11 Note: Typically, opportunities can take 1-3 years or more to be converted into contracts, there is no guarantee that any contracts will be signed or become unconditional. UPDATE ON MARSS ACQUISITION eos-aus.com → Europe-based defence and security technology provider focused on surveillance, sensor fusion technology and integrated Command & Control (C2) systems → Proprietary NiDAR C2 technology provides AI-enabled decision-making and sensor-effector orchestration to rapidly counter asymmetric drone threats → Acquisition includes the NiDAR C2 technology, sensor fusion and AI software platform and hardware offering, customer contracts, IP and personnel → Creates an end-to-end counter-drone solution allowing EOS to compete for larger, higher value programs as a Prime Contractor → Expands geographic footprint and broadens its end market presence and customer relationships, with scope to leverage MARSS’ extensive defence, homeland security and civil relationships → Ability to embed the NiDAR technology into its existing remote weapon system product range, providing a meshed hemispherical coverage against drone attack RECAP ON MARSS The acquisition of MARSS is expected to transform EOS into fully integrated global counter-drone systems provider → AI-driven autonomy: NiDAR enables coordinated, automated defence against complex threats → Sensor–effector fusion: Integrates detection an