Catalyst Pharmaceuticals, Inc. · NASDAQ:CPRX

Catalyst Pharmaceuticals — Q4 2025 Earnings Presentation

21 slides from Catalyst Pharmaceuticals's earnings presentation, Feb 26, 2026

  1. Slide 1: Improving the Lives of Patients Living with Rare Diseases

    Improving the Lives of Patients Living with Rare Diseases NASDAQ: CPRX March 2026

  2. Slide 2: Safe Harbor

    Safe Harbor This presentation contains forward-looking statements that are subject to a number of risks and uncertainties, many of which are outside our control. All statements regarding our strategy, future operations, financial position, estimated revenues or losses, projected costs, prospects, pl

  3. Slide 3: Patients are at the center of every decision we make

    Patients are at the center of every decision we make Catalyst Pharmaceuticals is a commercial-stage biopharmaceutical company focused on acquiring, in- licensing, developing, and commercializing novel medicines for patients living with rare diseases 3

  4. Slide 4: A Profitable Leader in Rare Disease Therapeutics

    A Profitable Leader in Rare Disease Therapeutics Forging New Paths for • the only evidence-based approved treatment for LEMS Rare Disease Patients • a differentiated corticosteroid treatment for DMD Growth Through • Bespoke patient programs supporting identification Patient-First Approach through ev

  5. Slide 5: Catalyst Pathways: Personalized Patient Support

    Catalyst Pathways: Personalized Patient Support Accelerating access, ensuring compliance, and optimizing care Industry Leading Patient HUB Accelerating treatment initiation • Free bridge medication • Personalized insurance navigation Best-in-Class Patient • Broad copay programs Support Long-term com

  6. Slide 6: Clear and Focused Acquisition Strategy to Supplement Organic Growth

    Clear and Focused Acquisition Strategy to Supplement Organic Growth Financial flexibility to deploy >$1B toward: Rare disease products across diverse therapeutic areas, agnostic to treatment modality Immediate / near-term accretive acquisitions and clinical- stage opportunities (Ph 3) with robust an

  7. Slide 7: Proven Business Development Engine Maximizes Rare Disease Assets

    Proven Business Development Engine Maximizes Rare Disease Assets Established rare disease infrastructure Product-dedicated rare disease field forces and back-office resources to drive commercial success Demonstrated success integrating and launching products Current portfolio comprised of both in-ho

  8. Slide 8: Diversified U.S. Commercial Portfolio of Innovative Assets with Multiple Expansion Opportunities

    Diversified U.S. Commercial Portfolio of Innovative Assets with Multiple Expansion Opportunities The only evidence-based A novel corticosteroid The first non-competitive approved product in the treatment for DMD with AMPA receptor agonist for U.S. for LEMS a differentiated profile epilepsy Frontline

  9. Slide 9: LEMS is a Debilitating Nerve-Muscle Communication Disorder

    LEMS is a Debilitating Nerve-Muscle Communication Disorder Causing Progressive Weakness and Fatigue ~3,600 ~50% >600 U.S. patient LEMS patients Currently identified prevalence potential believed to have patients in LEMS of up to 5,400 cancer-associated diagnostic journey not patients1 LEMS yet treat

  10. Slide 10: FIRDAPSE: One Molecule, Two Growing Markets

    FIRDAPSE: One Molecule, Two Growing Markets Idiopathic LEMS CA-LEMS (~50%) (~50%) NEUROLOGY ONCOLOGY Estimated Prevalence ~1,800 ~1,800 Life expectancy unaffected Shorter life expectancy1 Up to 5,400 patients in U.S. Newly Diagnosed Two distinct Patients each Year ~150 ~900 markets representing Addr

  11. Slide 11: FIRDAPSE: Expanding Market Penetration in Idiopathic LEMS

    FIRDAPSE: Expanding Market Penetration in Idiopathic LEMS Ongoing patient Converting misdiagnosed Increasing LEMS Growing testing sourcing gMG patients diagnoses rates awareness Tracking >600 patients; Generalized myasthenia Layering VGCC testing Driving awareness of the 50% of new FIRDAPSE gravis (

  12. Slide 12: FIRDAPSE: Unlocking the Next Phase of Growth in Cancer-Associated LEMS

    FIRDAPSE: Unlocking the Next Phase of Growth in Cancer-Associated LEMS Streamlining Driving NCCN Embedding change in Forging strategic VGCC testing clinical practice the oncology care relationships access guidelines awareness pathways Contracted with a National Updated NCCN SCLC Collaborating with D

  13. Slide 13: DMD is a Rare and Life-Threatening Neuromuscular Disorder

    DMD is a Rare and Life-Threatening Neuromuscular Disorder ~11k-13k1 ~95% U.S. DMD patient DMD diagnosis typically prevalence occurs between ages 2 and 5 ~90%2 ~70% DMD patients are DMD patients currently treated with receiving concomitant corticosteroids at steroid treatment; an some point opportuni

  14. Slide 14: AGAMREE: Differentiated Profile Uniquely Positioned to Address Unmet Need in DMD

    AGAMREE: Differentiated Profile Uniquely Positioned to Address Unmet Need in DMD Treatment Landscape >$1 Billion Total Addressable Market for DMD Population1 • Clinically proven to improve muscle strength and function2 • Data shows equivalent efficacy to prednisone • Potential for significant reduct

  15. Slide 15: AGAMREE: Strategy to Achieve Full Potential

    AGAMREE: Strategy to Achieve Full Potential A multi-faceted approach to lifecycle management Strong Profile and Outstanding ~90% penetration across all DMD Centers of Excellence >85% patients are reimbursed ~90% patient retention rate Acceptance Strengthening Expanding Realizing Full Differentiation

  16. Slide 16: AGAMREE: SUMMIT Study Evaluating Potential Long-term Safety Benefits

    AGAMREE: SUMMIT Study Evaluating Potential Long-term Safety Benefits Open label, five-year follow up on ~250 DMD patients across ~25 Centers of Excellence1 Real-world data to assess potential long-term benefits of AGAMREE over standard of care • Behavioral changes • Cardiovascular health (e.g., redu

  17. Slide 17: FYCOMPA: The First Non-Competitive AMPA Receptor Antagonist for Epilepsy

    FYCOMPA: The First Non-Competitive AMPA Receptor Antagonist for Epilepsy Market Dynamics – Strong product profile: Well- tolerated with minimal drug-drug interactions and no contraindications2 – Seizure freedom rate of ~72% Epilepsy is 4th most common neurological disorder1 when used adjunctively3 –

  18. Slide 18: Notable Commercial Performance: Sustained Momentum

    Notable Commercial Performance: Sustained Momentum Q4’24 & Q4’25 Years ended December 31, 2024 & 2025 Total Net Product Revenue Growth +7.5% Total Net Product Revenue Growth +20.3% $500.0 $700.0 $588.8 $600.0 $400.0 $489.3 $113.3 (in USD, millions) (in USD, millions) $500.0 $300.0 $400.0 $137.3 $117

  19. Slide 19: Promoted Products Continue to Drive Total Revenue Growth

    Promoted Products Continue to Drive Total Revenue Growth Promoted Product Revenue, Net Expected 700 to Grow by 20% or More in 2026 FIRDAPSE $435M - $450M 600 AGAMREE $140M - $150M Promoted Products Revenue 500 2026 Full Year Promoted Product Revenue Guidance $575M - $600M (USD millions) 400 300 200

  20. Slide 20: Accelerating Momentum: Strategic, Disciplined Execution

    Accelerating Momentum: Strategic, Disciplined Execution 2025 Achievements 2026 Priorities Full year net product revenue growth of 20.3% YoY BUSINESS DEVELOPMENT Pursue immediate/near-term accretive acquisitions, Purchased >1M shares through December 31, 2025, under including clinical-stage opportuni

  21. Slide 21: NASDAQ: CPRX

    N! ! ye -2.Catalyst pharmaceuticals NASDAQ: CPRX

Catalyst Pharmaceuticals — Q4 2025 Earnings Presentation on 6ix