Adtran Holdings, Inc. · NASDAQ:ADTN

Adtran — Q3 2026 Earnings Presentation

32 slides from Adtran's earnings presentation, Nov 3, 2026

  1. Slide 1: Adtran Holdings Q3 2026 financial results

    Adtran Holdings NASDAQ: ADTN Q3 2026 financial results November 3, 2026

  2. Slide 2: Financial results Q3 2026

    Financial results Q3 2026 Third quarter 2026

  3. Slide 3: Cautionary note regarding forward-looking statements

    IMPORTANT INFORMATION Cautionary note regarding forward-looking statements Statements and graphics contained in this investor presentation which are not historical facts, such as those relating to market trends, future global optical demand, future demand across end markets, future demand driver gro

  4. Slide 4: Cautionary note regarding forward-looking statements (risk factors)

    IMPORTANT INFORMATION Cautionary note regarding forward-looking statements (i) risks and uncertainties relating to our ability to remain in compliance with the covenants set forth in and satisfy the payment obligations under our credit agreement and convertible notes, to satisfy our payment obligati

  5. Slide 5: CEO commentary: AI reshaping the network

    Q3 2026 · CEO COMMENTARY AI reshaping the network 1 Optical growth continues Optical revenue +11% YoY and +4% Q-o-Q, led by growth in the U.S. 2 Hyperscale revenue up more than 200% Data center interconnect drives growth with hyperscalers; MicroMux Quattro and LiteWave 800 on track. 3 Enterprise and

  6. Slide 6: Progress across our three focus areas

    Q3 2026 · STRATEGIC PROGRESS Progress across our three focus areas Growth is coming from an increasingly diversified base of service providers, cloud providers and enterprise customers. SERVICE PROVIDERS Service provider fiber networking Capacity expansion, vendor replacement and multi-Gig upgrades

  7. Slide 7: External reporting segmentation: category view

    Q3 2026 · EXTERNAL REPORTING SEGMENTATION Category view Optical networking solutions +11% YoY · +4% Q-o-Q $114.5M revenue in Q3’26 • Growth led by hyperscalers and large service providers in the U.S. • Demand driven by transport capacity expansion, cloud wholesale connectivity and hyperscale DCI Acc

  8. Slide 8: Customer mix: diversification beyond the carrier base

    Q3 2026 · REVENUE BY CUSTOMER TYPE Customer mix Diversification beyond the carrier base Ent/Gov/Cloud grew 44% year over year and now represents 28% of revenue, up from 19.5% a year ago. Growth driven by data center interconnect with hyperscalers and secure networking for enterprise and government;

  9. Slide 9: Non-GAAP gross margin

    Q3 2026 · PROFITABILITY Non-GAAP gross margin Quarterly result Flat YoY and up 140 bps from 40.7% in Q2’26, including a ~2.0-point benefit from a tariff cost refund. Mix, tightening supply and component inflation remained headwinds. Looking ahead Cost savings and pricing adjustments are underway; a

  10. Slide 10: Non-GAAP operating income

    Q3 2026 · PROFITABILITY Non-GAAP operating income What moved the quarter Down $1.0M year over year on flat revenue and modestly higher opex. Up $3.5M and 120 bps sequentially on higher gross margin. Operating expenses Non-GAAP opex of $104.2M vs. $103.9M in Q2’26 and $102.4M a year ago, managed agai

  11. Slide 11: Non-GAAP earnings per share

    Q3 2026 · PROFITABILITY Non-GAAP earnings per share Non-GAAP earnings per share Non-GAAP diluted EPS of $0.09 compares with $0.05 a year ago and $0.04 in Q2’26. Non-GAAP earnings per share diluted, in dollars $0.05 Q3’25 $0.09 Q3’26 Year over year +$0.04 Reconciliation to GAAP is in the appendix.

  12. Slide 12: Balance sheet and cash flow

    Q3 2026 · FINANCIALS Balance sheet and cash flow CASH $64.6M Plus $7.1M restricted cash; $79M at the end of Q2’26 FREE CASH FLOW −$39.4M Reflecting operating cash flow of -$24.5M and capital expenditures of $14.9M DSO 77 days Up from 67 days in Q2’26 on the timing of billings and collections INVENTO

  13. Slide 13: Q4 2026 outlook

    BUSINESS OUTLOOK Q4 2026 outlook REVENUE $272.0M – $292.0M NON-GAAP OPERATING MARGIN +1.0% – +5.0% Non-GAAP operating margin is calculated as non-GAAP operating profit divided by revenue. The Company has not provided a reconciliation of such non-GAAP guidance to guidance presented on a GAAP basis be

  14. Slide 14: Business focus areas

    Business focus areas STRATEGY Where we are investing for growth

  15. Slide 15: Factors expected to drive long-term growth

    BUSINESS MODEL Factors expected to drive long-term growth Expansion of fiber networks Ongoing fiber investment to homes, businesses and critical infrastructure — plus multi-Gig Wi-Fi upgrades in the home. High-risk vendor replacement The shift away from high-risk vendors is accelerating — Adtran is

  16. Slide 16: A complete portfolio from the core to the premises

    ADTRAN PORTFOLIO A complete portfolio from the core to the premises Subscriber solutions • Residential/SMB ONTs, Wi-Fi and cloud management • Business IP/Ethernet CPE and cloud-managed routers Optical networking • Pluggable coherent optics • Open line systems • Client optics • Optical terminals • In

  17. Slide 17: Three focus areas drive our growth

    BUSINESS FOCUS AREAS Three focus areas drive our growth One portfolio, from the core to the premises — expanding from service providers to high-growth adjacent markets. 1 Core-to-prem fiber networks powered by AI intelligence Optical transport, fiber access and subscriber solutions under one softwar

  18. Slide 18: From the core to the customer premises

    NETWORK ARCHITECTURE From the core to the customer premises Fabric AI platform Agents AI agent teams Clarity AI-driven intelligence AI-DRIVEN OPERATIONS AND SUPPORT Subscriber experience Access domain IP and optical domains PREMISES ACCESS EDGE METRO AND CORE Home Business 5G site Wi-Fi 7 SDG SMB Wi

  19. Slide 19: Solutions that enable distributed AI at scale

    CLOUD AND AI INFRASTRUCTURE SOLUTIONS Solutions that enable distributed AI at scale NETWORK EDGE CLOUD HANDOFF DATA CENTER DATA CENTER Agentic AI workloads Ensemble At the customer premises or network edge 4x100G LR4 to 400G MicroMux™ Cloud-to-network and cloud-to-cloud connectivity Front-end networ

  20. Slide 20: Quantum-safe networking solutions

    SECURING CRITICAL INFRASTRUCTURE Quantum-safe networking solutions Network orchestration and security management CRITICAL INFRASTRUCTURE ENTERPRISE AND CLOUD Secure IP/Ethernet for critical infrastructure FSP 150 quantum-safe Ethernet services Secure enterprise cloud interconnect S-Flex quantum-safe

  21. Slide 21: Appendix: Non-GAAP reconciliations

    Appendix REFERENCE Non-GAAP reconciliations

  22. Slide 22: Explanation of use of non-GAAP financial measures

    APPENDIX · NON-GAAP RECONCILIATIONS Explanation of use of non-GAAP financial measures Set forth in the tables below are reconciliations of cost of revenue, gross profit, gross margin, operating expenses, operating (loss) income, operating margin, other income (expense), net (loss) income inclusive o

  23. Slide 23: Non-GAAP cost of revenue, gross profit and margin

    APPENDIX · NON-GAAP RECONCILIATIONS Non-GAAP cost of revenue, gross profit and margin Three months ended, in $ thousands Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Total revenue 281,167 281,146 279,435 Cost of revenue 172,935 177,195 172,309 Acquisition-related expenses, amortizations and adjustmen

  24. Slide 24: Reconciliation of non-GAAP operating expenses

    APPENDIX · NON-GAAP RECONCILIATIONS Reconciliation of non-GAAP operating expenses Three months ended, in $ thousands Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Operating expenses 108,986 114,022 109,914 Acquisition-related expenses, amortizations and adjustments (1)(2)(6)(9) (1,642) (1,630) (1,898)

  25. Slide 25: Non-GAAP operating expenses footnotes

    APPENDIX · NON-GAAP RECONCILIATIONS Non-GAAP operating expenses — footnotes (5) Includes $2.4 million in selling, general and administrative on the condensed consolidated statements of loss. This relates to expenses associated with the global ERP go-live and restructuring costs resulting from that p

  26. Slide 26: Non-GAAP operating income and margin

    APPENDIX · NON-GAAP RECONCILIATIONS Non-GAAP operating income and margin Three months ended, in $ thousands Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Total revenue 281,167 281,146 279,435 Operating loss (754) (10,071) (2,788) Acquisition related expenses, amortizations and adjustments (1) 11,492 1

  27. Slide 27: Reconciliation of non-GAAP other expense

    APPENDIX · NON-GAAP RECONCILIATIONS Reconciliation of non-GAAP other expense Three months ended, in $ thousands Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Interest and dividend income 608 397 291 Interest expense (5,253) (4,234) (5,499) Net investment gain (loss) (154) 5,274 2,186 Other income (exp

  28. Slide 28: Reconciliation of non-GAAP net income (1 of 2)

    APPENDIX · NON-GAAP RECONCILIATIONS Reconciliation of non-GAAP net income (1 of 2) Three months ended, in $ thousands Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Net loss attributable to ADTRAN Holdings, Inc. common stockholders (8,199) (10,321) (9,743) Effect of redemption of RNCI (1) (1,029) (584)

  29. Slide 29: Reconciliation of non-GAAP net income (2 of 2)

    APPENDIX · NON-GAAP RECONCILIATIONS Reconciliation of non-GAAP net income (2 of 2) Three months ended, in $ thousands (except per share amounts) Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Non-GAAP net income inclusive of non-controlling interest 8,204 5,031 5,649 Net income attributable to non-cont

  30. Slide 30: Non-GAAP net income reconciliation footnotes

    APPENDIX · NON-GAAP RECONCILIATIONS Non-GAAP net income reconciliation footnotes (1) Loss per common share attributable to ADTRAN Holdings, Inc. - basic and diluted - reflects a $1.0 million and $1.9 million effect of redemption of RNCI for the three and nine months ended September 30, 2026. Loss pe

  31. Slide 31: Reconciliation of free cash flow (non-GAAP)

    APPENDIX · NON-GAAP RECONCILIATIONS Reconciliation of free cash flow (non-GAAP) Three months ended, in $ thousands Sept. 30, 2026 June 30, 2026 Sept. 30, 2025 Net cash (used in) provided by operating activities (24,470) 25,915 12,188 Purchases of property, plant and equipment and developed technolog

  32. Slide 32: Thank you

    Adtran Thank you COIORTORORORCEGY

ADTRAN Holdings — Q3 2026 Earnings Presentation on 6ix