Power Integrations, Inc. · NASDAQ:POWI

Power Integrations — Investor Presentation (June 2026)

30 slides from Power Integrations's investor presentation, June 2026

  1. Slide 1: Power Integrations, Inc.

    Power Integrations, Inc. NASDAQ: POWI Updated June 2026 ©2026 Power Integrations, Inc. | power.com

  2. Slide 2: Forward-Looking Statements/Non-GAAP Metrics

    Forward-Looking Statements/Non-GAAP Metrics Note Regarding Forward-Looking Statements These slides and any accompanying oral presentation contain 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

  3. Slide 3: High-Voltage Semis for Energy Production, Transmission & Consumption

    High-Voltage Semis for Energy Production, Transmission & Consumption Technology leader High-efficiency Gate drivers for Highly-efficient, Automotive solutions in ICs for energy- driver ICs energizing renewable energy, reliable and for efficient, compact efficient AC-DC the LED lighting DC transmissi

  4. Slide 4: What Are Power Converters?

    What Are Power Converters? AC-DC  Converts high-voltage AC to low-voltage DC (Power supplies)  Provides safety isolation  Energy efficiency is critical High-voltage AC Input Low-voltage DC Output DC-AC HV DC AC Grid  Converts DC to AC (Inverters)  Requires safety-isolated gate drivers  Energy

  5. Slide 5: Key Takeaways

    The Only Pure-Play in High Voltage (HV) Semis Leader in High-Voltage GaN Key Takeaways Expanding Opportunity for HV Semis in Data Center, EVs, Industrial High-voltage Semiconductors are Crucial to a Lower-carbon Future ©2026 Power Integrations, Inc. | power.com 5

  6. Slide 6: System-level Solutions for High-Voltage Power Conversion

    System-level Solutions for High-Voltage Power Conversion High-voltage Process Technologies Systems & Applications Proprietary Know-how Technologies with Extensive IC Power Package IP Protection Innovations Design and Systems Software ©2026 Power Integrations, Inc. | power.com 6

  7. Slide 7: Track Record of Innovation

    Track Record of Innovation 1250 V & 1700 V PowiGaN PowiGaN InnoMux FluxLink InnoSwitch iDriver Hiper EcoSmart LinkSwitch TinySwitch TOPSwitch 1994 Today ©2026 Power Integrations, Inc. | power.com 7

  8. Slide 8: InnoSwitch: A Revolution in HV Power Conversion

    InnoSwitch: A Revolution in HV Power Conversion HV Input LV Output Safety-isolated FluxLink Allows Integration of HV and LV sides  Drastically reducing component count/sourcing and complexity InnoSwitch-EP Choice of Power Switch: Si, GaN, SiC Proprietary Control Dramatically Increases Energy Effici

  9. Slide 9: Highly Integrated Gate Drivers for High-Power Applications

    Highly Integrated Gate Drivers for High-Power Applications Competitor SCALE-EV Same package as InnoSwitch including FluxLink for high- IGBT or SiC power module speed isolated communication For renewable energy, rail, power grid and industrial markets ©2026 Power Integrations, Inc. | power.com 9

  10. Slide 10: Products Serve Broad Range of End Applications

    Products Serve Broad Range of End Applications Power Integrations Model 1,000s of Applications High-voltage Focus Addressing Power Converters Handful of Product Families Moderate R&D intensity, high differentiation Typical Analog Model 1,000s of Applications 100s of ASSPs ©2026 Power Integrations, I

  11. Slide 11: Unique Manufacturing Model: Fabless IDM

    Unique Manufacturing Model: “Fabless IDM” Best-in-class Assurance of Supply, Quality, and Cost PI Develops, Owns, and Controls Process Technologies, Power Device and IC Designs  Process technologies replicated across multiple partner fabs  GaN technology developed internally, not reliant on foundr

  12. Slide 12: Key Takeaways

    The Only Pure Play in High-Voltage (HV) Semis Leader in High-Voltage GaN Key Takeaways Expanding Opportunity for HV Semis in Data Center, EVs, Industrial High-voltage Semiconductors are Crucial to a Lower-carbon Future ©2026 Power Integrations, Inc. | power.com 12

  13. Slide 13: GaN is the Future of Power Conversion, and PI is the Leader in HV GaN

    GaN is the Future of Power Conversion, and PI is the Leader in HV GaN Proprietary GaN technology We control the roadmap Purpose-built for our products We can tailor the GaN for each product Highly cost-effective Approaching parity with silicon Highest voltage capability 750 V, 900 V, 1250 V, 1700 V

  14. Slide 14: PowiGaN Leading the Way on Higher Voltages

    PowiGaN Leading the Way on Higher Voltages 1700 V 1250 V 900 V Option to Replace SiC 750 V 2018 2020 2022 2023 2024 PowiGaN High-Voltage Roadmap ©2026 Power Integrations, Inc. | power.com 14

  15. Slide 15: Introducing TOPSwitchGaN

    Introducing TOPSwitchGaN Brings PowiGaN to the iconic TOPSwitch “The original” AC-DC power conversion IC > Billions of units sold since 1994 Extends flyback topology to 440 W Fewer components, smaller footprint vs. resonant converters Faster design cycles speeds time to market Superior standby power

  16. Slide 16: Key Takeaways

    The Only Pure Play in High-Voltage (HV) Semis Leader in High-Voltage GaN Key Takeaways Expanding Opportunity for High-Voltage Semis in Data Center, EV, Industrial High-voltage Semiconductors are Crucial to a Lower-carbon Future ©2026 Power Integrations, Inc. | power.com 16

  17. Slide 17: Key Trends Drive Need for Advanced High-Voltage Semiconductors

    Key Trends Drive Need for Advanced High-Voltage Semiconductors AI Data Centers Advanced Chargers Electric Transportation  Need GaN for power density  Higher power, higher efficiency  EVs need high-voltage converters  Emerging architectures (800 VDC)  Multiple UBS ports  Locomotives, heavy vehi

  18. Slide 18: PowiGaN Technology for AI Data Centers

    PowiGaN Technology for AI Data Centers NVIDIA Ecosystem Partner Collaborating on 800 VDC architecture Simplicity + high power density 1250 V PowiGaN handles 800 V with simple topology; 650 V GaN requires stacking High-frequency switching delivers superior power density vs. SiC Converts 800 V input t

  19. Slide 19: Expanding High-Voltage Content in EVs

    Expanding High-Voltage Content in EVs Power steering µDC-DC Fuse | Pyro | Contactor converters 12 V system standby power Emergency Power Supply supplies A/C Compressor Cabin Heater On Board Charger (OBC) Traction inverter Electronic Control Battery Management gate-driver power supply Unit (ECU) Syst

  20. Slide 20: BridgeSwitch Motor-Driver ICs for BLDC Motors

    BridgeSwitch Motor-Driver ICs for BLDC Motors Pumps, Fans, Compressors  Residential & commercial appliances  Industrial applications Washer/Dryer Drum Motors Window Shades/Shutters & Garage Openers Wide Range of High-Voltage Single or Multi-Phase PM or ACIM Motors ©2026 Power Integrations, Inc. |

  21. Slide 21: Key Takeaways

    The Only Pure Play in High-Voltage (HV) Semis Leader in High-Voltage GaN Key Takeaways Expanding Opportunity for HV Semis in Data Center, EVs, Industrial High-voltage Semiconductors are Crucial to a Lower-carbon Future ©2026 Power Integrations, Inc. | power.com 21

  22. Slide 22: High-Voltage Semiconductors are Critical to a Lower-Carbon Future

    High-Voltage Semiconductors are Critical to a Lower-Carbon Future Renewable Energy Efficient Energy Efficient Energy Generation Transmission Consumption ©2026 Power Integrations, Inc. | power.com 22

  23. Slide 23: System Solution with PowiGaN Delivers Superior Efficiency

    System Solution with PowiGaN Delivers Superior Efficiency Efficiency Comparison Over Load at 5V Output 96% PowiGaN with 94% InnoSwitch with PowiGaN proprietary control 92% delivers highest efficiency Dramatically higher efficiency Efficiency 90% in standby & full load 88% Discrete GaN Design 86% 84%

  24. Slide 24: Recognized Leader in Energy Efficiency

    Recognized Leader in Energy Efficiency 2025 Revenues 95% EU Taxonomy-Eligible* Other products Pioneer in Eliminating Standby Waste Hundreds of Efficiency-related Patents First to Market with GaN Power ICs Inclusion in Numerous ICs that Reduce Standby Waste Sustainability Indices Gate Drivers Used in

  25. Slide 25: Revenue / Gross Margin History

    Revenue / Gross Margin History Favorable pricing environment, strong USD vs. yen Yen/$ to Comms Strong USD 200 ~100 38% of sales vs. yen 60% 180 160 55% 140 $ Millions GM Target 120 Range 100 50% 80 60 45% 40 20 0 40% Q1'16 Q1'18 Q1'20 Q1'22 Q1'24 Q1'26 Revenue Non-GAAP GM % Reconciliation of non-GA

  26. Slide 26: Favorable Shift in Revenue Mix

    Favorable Shift in Revenue Mix Revenue Mix by End-Market Category 2002 2019 2025 24% Consumer 34% 9% Industrial 36% 38% 37% Industrial Consumer Consumer Industrial / Auto 23% 43% 5% Computer Comms Computer 25% 13% 12% Comms Comms Computer Industrial/Auto/Consumer 75% of mix • Consumer category is >8

  27. Slide 27: Strong Cash Flow, Healthy Returns to Stockholders

    Strong Cash Flow, 400 Healthy Returns 350 to Stockholders Share 300 Buybacks 20% 250 FCF/Revenue in 2025 FCF 200 180% 150 of FCF returned to stockholders 2022-25 100 $145M 50 Dividend Cash returned to Payout 0 stockholders in 2025 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Reconciliation

  28. Slide 28: Strong Balance Sheet

    Strong Balance Sheet Cash and Investments ($M) 600 500 400 at March 31, 2026 300 200 100 $257M cash and investments 0 Q1'08 Q3'12 Q1'17 Q3'21 Q1'26 Diluted Shares Outstanding (M)* 70 No debt 65 60 55 Dividend payer since 2008 50 45 Quarterly dividend of $0.215 40 Q1'08 Q3'12 Q1'17 Q3'21 Q1'26 Divide

  29. Slide 29: ower

    ower integrations

  30. Slide 30: Reconciliations

    Reconciliations RECONCILIATION OF FREE CASH FLOW 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 Net cash provided by operating activities 111,518 81,181 65,759 215,343 230,868 125,639 224,499 83,964 82,039 97,901 92,187 Less: Purchases of property and equipment (24,396) (17,286) (20,884) (39

Power Integrations — Investor Presentation (June 2026) on 6ix