Kiniksa Pharmaceuticals International, Plc · NASDAQ:KNSA

Kiniksa Pharmaceuticals International — Q3 2025 Earnings Presentation

14 slides from Kiniksa Pharmaceuticals International's earnings presentation, Oct 28, 2025

  1. Slide 1: Third Quarter 2025 Financial Results and Recent Portfolio Execution

    Third Quarter 2025 Financial Results and Recent Portfolio Execution OCTOBER 28, 2025

  2. Slide 2: Agenda

    Agenda Introduction | Sanj K. Patel, Chief Executive Officer IL-1α & IL-1β Inhibition Franchise | Ross Moat, Chief Corporate & Commercial Officer Third Quarter 2025 Financial Results | Mark Ragosa, Chief Financial Officer Closing Remarks | Sanj K. Patel, Chief Executive Officer Q&A Session 2

  3. Slide 3: Forward Looking Statements

    Forward Looking Statements This presentation (together with any other statements or information that we may make in connection herewith) contains forward-looking statements with respect to Kiniksa Pharmaceuticals International, plc (and its consolidated subsidiaries, collectively, unless context oth

  4. Slide 4: Introduction

    Introduction Sanj K. Patel Chief Executive Officer

  5. Slide 5: Q3 2025 Business Highlights

    Q3 2025 Business Highlights Driving ARCALYST Maintaining Financial Advancing Clinical Portfolio Revenue Strength Q3 2025 ARCALYST revenue KPL-387 received US Orphan Strong financial position of $180.9M representing Drug Designation for with ~$352M in cash ~61% year-over-year growth pericarditis Curr

  6. Slide 6: Expanding Adoption of Sustained Driving ARCALYST Sales

    Expanding Adoption of Sustained IL-1α & IL-1β Inhibition Driving ARCALYST Sales Year-Over-Year Net Revenue Growth % of Prescriptions by Number of Recurrences1 $180.9M Recurrent Pericarditis Annual Epidemiology: ~40,000 1 ST RECURRENCE ~26,000 ~20% ARCALYST LABEL $112.2M 14,000 MULTIPLE RECURRENCE PO

  7. Slide 7: IL-1α & IL-1β Inhibition Franchise

    IL-1α & IL-1β Inhibition Franchise Ross Moat Chief Corporate & Commercial Officer

  8. Slide 8: More Patients Receiving Sustained Therapy with ARCALYST

    More Patients Receiving Sustained IL-1α & IL-1β Inhibition with ARCALYST Increases to active commercial patients and average total duration of therapy Total and Repeat Prescribers of ARCALYST for Recurrent Pericarditis Patients Key Revenue Drivers >3,825 ~1,275 Total Prescribers1 >3,825 >2,550 Repea

  9. Slide 9: 2025 ARCALYST Net Product Sales Guidance

    2025 ARCALYST Net Product Sales Guidance Revenue guidance raised to $670-$675M from $625-$640M $670-675M Expected Net Product Sales >$255M+ Year-over-year growth at the midpoint $417.0M $183M+ $233.2M $110M+ $122.5M $84M+ $38.5M1 2021 2022 2023 2024 2025 1) 2021 = 9 months of availability (Q2-Q4). 9

  10. Slide 10: Advancing Leading IL-1α & IL-1β Inhibition Franchise with KPL-387

    Advancing Leading IL-1α & IL-1β Inhibition Franchise with KPL-387 Treatment Phase Study Design & Type Patient Population Duration Event-Driven, Double-Blind, Pivotal Phase 3 Placebo-Controlled, Randomized- Qualifying Pericarditis Episode Event-Driven Study Withdrawal Study1 PATIENT & PHYSICIAN MARKE

  11. Slide 11: Third Quarter 2025 Financials

    Third Quarter 2025 Financials Mark Ragosa Chief Financial Officer

  12. Slide 12: Third Quarter 2025 Financial Results

    Third Quarter 2025 Financial Results Income Statement Three Months Ended September 30, Three Months Ended September 30, Collaboration Expenses1 2025 2024 2025 2024 Product Revenue $180.9M $112.2M ARCALYST Net Sales $180.9M $112.2M License and Collaboration Revenue $0.0M $0.0M Profit Split-Eligible C

  13. Slide 13: Closing Remarks

    Closing Remarks Sanj K. Patel Chief Executive Officer

  14. Slide 14: Third Quarter 2025 Financial Results and Recent Portfolio Execution

    Third Quarter 2025 Financial Results and Recent Portfolio Execution OCTOBER 28, 2025

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