Castellum, Inc. · AMEX:CTM

Castellum — Investor Presentation (October 2026)

21 slides from Castellum's investor presentation, Oct 12, 2026

  1. Slide 1: Investor Presentation

    NYSE-American: CTM Investor Presentation October 2026 Mission Ready Defense Technology Delivering AI-enabled Cyber, Electronic Warfare, C5ISR, and Decision Advantage. Integrity. Innovation. Engagement. Sustainability.

  2. Slide 2: Cautionary Statement Concerning Forward-Looking Statements

    Cautionary Statement Concerning Forward-Looking Statements: This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements represent the

  3. Slide 3: Why Castellum

    Why Castellum A Defense Tech Services and Solutions Provider; Navy- and Army-focused specialist in cyber, EW, and C5ISR Balance-sheet strength Specialized alternative to the primes • Focused on Navy and Army mission-critical programs, not a generalist prime $16.9M Cash on hand (6/30/26) • Deep exper

  4. Slide 4: Investment Highlights

    Investment Highlights Positioned to deliver shareholder value through Highly Resilient Business disciplined execution and organic growth. Defense focused and federal IT & cybersecurity platform positioned to perform through budget cycles and administration changes Record Revenue & Contract Wins Clea

  5. Slide 5: Castellum's Evolution

    Castellum’s Evolution Founded in 2019 Listed on NYSE American in Oct 2022 Phase 3: CONTINUE MOMENTUM & EXPAND Jan 2026 – Present Phase 2: ACCELERATE ORGANIC GROWTH • Continue to strengthen organic growth Jul 2024 – Dec 2025 Phase 1: momentum (1H 2026: record revenue BUILD PLATFORM & INTEGRATE growth

  6. Slide 6: Castellum Today

    Castellum Today Relevant, powerful, high demand technologies and mission capabilities: Subsidiaries: Integrity. Innovation. Engagement. Sustainability. 6

  7. Slide 7: Strong and Proven Leadership

    Strong and Proven Leadership Led by Highly Experience Management Team and Board Executive Leadership and Management Board of Directors Glen Ives, President & CEO Lieutenant General Bernard Champoux, USA (ret), Chair David Bell, CFO & Treasurer Mr. Mark Alarie Andrew Merriman, COO General John Campbe

  8. Slide 8: Defense Budget Tailwinds

    Defense Budget Tailwinds Funded budget map directly to CTM's core capabilities Total Addressable Market $961.6B $51.8B $14.3B 2026 DoW Budget Request 2026 IT Budget Request 2026 Cyber Activity Budget Request $66.1B +13% YoY Across the DoD enterprise Across the DoD enterprise Total spending on cyber,

  9. Slide 9: Programs We Support

    Programs We Support Aircraft Launch and Integrated Fresnel Lens Augmented Reality PMA-290 P-8 Poseidon Recovery Optical Landing System Maintenance System Special Projects (ALRE) (IFLOLS) (ARMS) / XRa Integrity. Innovation. Engagement. Sustainability. 9

  10. Slide 10: Programs We Support (cont.)

    Programs We Support (cont.) Model Based System Data Analytics Cyber Security and Warfare Electronic Warfare Engineering Integrity. Innovation. Engagement. Sustainability. 10

  11. Slide 11: Recent Large Prime Contract Wins

    Recent Large Prime Contract Wins $103M $66M $50M 5 ½ years 5 years 5 ½ years Providing Special Missions support Supporting Naval Air Warfare Center Supporting Naval Air Warfare Center Aircraft of the Naval Air Systems Command Lakehurst Mission Operations and Division Lakehurst to provide SSA and cyb

  12. Slide 12: Backlog, Pipeline and Contract Momentum

    Backlog, Pipeline and Contract Momentum Entered 2026 on a very strong note: 2025 Contract Wins Contract Backlog * Qualified Pipeline * $219M+ $271.7M $953.5M 5+ year runway vs $265M at 12/31/25 vs $817M at 12/31/25 Top three revenue-producing contracts * As of 6/30/2026 Contract Backlog is defined a

  13. Slide 13: Historical Key Financial Metrics

    Historical Key Financial Metrics Revenue ($ in millions) Gross Profit ($ in millions) Adj EBITDA ($ in millions) 60 52.9 25 1.2 1.0 19.4 1 50 42.2 45.3 44.8 20 17.6 18.7 18.3 0.8 40 0.8 28.2 15 11.1 30 25.1 9.8 0.6 0.4 20 13.3 10 6.2 0.4 0.2 10 1.4 5 0.2 0.3 0 0 0 2019 2020 2021 2022 2023 2024 2025

  14. Slide 14: Organic Growth Strategy

    Organic Growth Strategy ORGANIC EXPANSION: Driving Revenue Growth and Improved Margins Focus Drive revenue growth by wining new prime contracts and task orders Integrate and promote cross selling between subsidiaries to unlock efficiencies, and new contract Build opportunities Expand Presence across

  15. Slide 15: Acquisition Strategy

    Acquisition Strategy GOAL: Build a larger, more differentiated Scale Capabilities Customers federal platform by adding… Acquisition Criteria Transaction Approach ✓ Strong federal-prime contracts with Platform Product and solution recurring, mission-critical revenue Tuck-ins ✓ Proven ability to win f

  16. Slide 16: Public Markets Strategy

    Public Markets Strategy Building Long-Term Shareholder Value: Key Objectives Execute with discipline Diversify the shareholder base 01 By allocating capital and manage liquidity 02 By targeting long-term, fundamentally-driven prudently to sustain long-term value. shareholders through focused outreac

  17. Slide 17: Contact Us

    Contact Us Castellum. Inc Investor Relations 1934 Old Gallows Rd, Suite 350 The Equity Group Vienna, VA 22182 Lena Cati (703) 752-6157 (212) 836-9611 [email protected] Val Ferraro (212) 836-9633 [email protected] Integrity. Innovation. Engagement. Sustainability. 17

  18. Slide 18: Appendix

    Appendix Integrity. Innovation. Engagement. Sustainability. 18

  19. Slide 19: Consolidated Balance Sheet

    Appendix June 30, December 31, 2026 2025 (unaudited) Consolidated Balance Sheet Liabilities and Stockholders' Equity Liabilities Current Liabilities Accounts payable and accrued expenses $ 2,019,079 $ 1,904,962 June 30, December 31, Accrued payroll and payroll related expenses 2,954,048 2,761,998 20

  20. Slide 20: Consolidated Statement of Operations

    Appendix (cont.) Consolidated Statement of Operations Three Months Ended Six Months Ended June 30, June 30, 2026 2025 2026 2025 Revenues $ 13,864,676 $ 14,024,090 $ 28,156,638 $ 25,688,455 Cost of Revenues 9,145,257 8,963,643 18,374,997 16,073,392 Gross Profit 4,719,419 5,060,447 9,781,640 9,615,063

  21. Slide 21: Reconciliation of Non-GAAP Adjusted EBITDA

    Appendix (cont.) Reconciliation of Non-GAAP Adjusted EBITDA Three Months Ended Six Months Ended June 30, June 30, 2026 2025 2026 2025 Revenues $ 13,864,676 $ 14,024,090 $ 28,156,637 $ 25,688,455 Gross profit 4,719,419 5,060,447 9,781,640 9,615,063 Loss from operations before other income (expense) (

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