Alnylam Pharmaceuticals, Inc. · NASDAQ:ALNY

Alnylam Pharmaceuticals — Q4 2025 Earnings Presentation

29 slides from Alnylam Pharmaceuticals's earnings presentation, Feb 12, 2026

  1. Slide 1: Fourth Quarter and Full Year 2025 Financial Results

    Fourth Quarter and Full Year 2025 Financial Results February 12, 2026 © 2026 Alnylam Pharmaceuticals, Inc. 1

  2. Slide 2: Agenda

    Agenda Welcome • Christine Akinc Chief Corporate Communications Officer Overview • Yvonne Greenstreet, M.D. Chief Executive Officer Commercial Highlights • Tolga Tanguler Chief Commercial Officer Pipeline • Pushkal Garg, M.D. Chief Research & Development Officer Financial Summary • Jeff Poulton Chie

  3. Slide 3: Alnylam Forward-Looking Statements

    Alnylam Forward-Looking Statements This presentation contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. All statements other than historical statements of fact regarding Alnylam’s expectations, b

  4. Slide 4: Overview

    Overview Yvonne Greenstreet, M.D. Chief Executive Officer 4

  5. Slide 5: Alnylam: A Unique Profile in the Biotech Industry

    Alnylam: A Unique Profile in the Biotech Industry Established, Sustainable Innovation Engine and Commercial Excellence to Drive Durable Growth Leadership in RNAi, with a Proven, Organic Product Engine High-Yielding Pipeline with >25 Active Clinical Programs 6 Medicines Collectively Generating Multi-

  6. Slide 6: 2025: A Transformational Year for Alnylam

    2025: A Transformational Year for Alnylam Landmark Approval, Commercial Excellence Advanced Innovative RNAi Pipeline Drove Outstanding Financial Performance and Platform Capabilities Global launch of Initiated AMVUTTRA for ATTR-CM 3 Phase 3 Studies Expanded clinical pipeline with Combined net produc

  7. Slide 7: Alnylam 2030

    Alnylam 2030 Accelerating Innovation. Scaling Impact. Achieve Global TTR Leadership BUILD A DURABLE TTR FRANCHISE • Lead TTR market in revenue by 2030 and cumulatively across 5-year period • Launch best-in-class, next-gen silencer, nucresiran, in PN by 2028 and CM by 2030 Grow Through Sustainable In

  8. Slide 8: Commercial Highlights

    Commercial Highlights Tolga Tanguler Chief Commercial Officer 8

  9. Slide 9: Continued Commercial Execution in Q4 2025

    Continued Commercial Execution in Q4 2025 Q4 2025 Overall Portfolio $995M +121% +17% YoY growth1 QoQ growth1 Combined Net Product Revenues vs. Q4’24 vs. Q3’25 Full Year 2025 Overall Portfolio $2,987M +81% YoY growth1 Combined Net Product Revenues vs. FY’24 TTR Franchise Rare Franchise 1 With FX impa

  10. Slide 10: Q4 2025: Sustained Rare Franchise Performance

    Q4 2025: Sustained Rare Franchise Performance $136M Total Rare Global Q4 2025 Q4 2025 Rare Franchise Highlights Net Product Revenues QoQ % Growth YoY % Growth +26% GIVLAARI 17% 34% $136M $128M $127M OXLUMO -6% 14% $108M $109M $31M $32M TOTAL Rare 8% 26% $32M Revenues ($M) $25M $28M $18M $16M • GIVLA

  11. Slide 11: Continued AMVUTTRA ATTR-CM Launch Momentum

    Continued AMVUTTRA ATTR-CM Launch Momentum $858M Total TTR Global Q4 2025 Q4 2025 TTR Franchise Highlights Net Product Revenues QoQ % Growth YoY % Growth +151% +$134M Global vs. Q3 U.S. 20% 222% $858M ROW 13% 47% $724M $185M +$23M ROW vs. Q3 Global 18% 151% Revenues ($M) $155M $20M $544M • U.S. Q4’2

  12. Slide 12: Building Leadership in Large, Growing ATTR-CM Market

    Building Leadership in Large, Growing ATTR-CM Market Significant Unmet Need Exceptional Early Launch Momentum >300K patients globally1 U.S. Japan AMVUTTRA OCREVUS 3 In ATTR-CM VYNDA family in CM 5 Quarterly Revenue ~80% Quarterly Revenue AMVUTTRA ATTR-CM patients In ATTR-CM WINREVAIR 3 DUPIXENT 3 un

  13. Slide 13: Establishing Preference Across Lines of Therapy

    Establishing Preference Across Lines of Therapy Maintaining Broad Access ATTR-CM: Building Leadership in Growing Category and Patient Affordability Competitive in New Starts Building First-Line Preference Clear Second-Line Leadership • First-line access ALL new starts AMVUTTRA (both first- and secon

  14. Slide 14: One Year Since FDA Approval of AMVUTTRA in ATTR-CM

    JOIN US FOR A WEBINAR TO MARK One Year Since FDA Approval of AMVUTTRA in ATTR-CM Highlighting progress in delivering for ATTR-CM patients and the long-term growth and durability of the Company’s flagship TTR franchise. SAVE THE DATE Registration information forthcoming Tuesday, March 24TH 9:30 am ET

  15. Slide 15: Pipeline

    Pipeline Pushkal Garg, M.D. Chief Research & Development Officer 15

  16. Slide 16: Advanced Pipeline & Platform Capabilities in 2025

    Advanced Pipeline & Platform Capabilities in 2025 Initiated 3 Expanded Launched New Phase 3 Studies Clinical Pipeline RNAi Manufacturing Platform 4 • • Alnylam Proprietary CTAs ALN-2232 ALN-5288 • • ALN-4285 ALN-4915 siRELIS Fully dedicated, proprietary 5 Partner-led CTAs siRNA enzymatic ligation ma

  17. Slide 17: Industry Leading Pipeline of RNAi Therapeutics

    Industry Leading Pipeline of RNAi Therapeutics PHASE 1 PHASE 2 PHASE 3 Nucresiran ATTR Amyloidosis with Cardiomyopathy TTR Nucresiran hATTR Amyloidosis with Polyneuropathy Zilebesiran2 Hypertension CARDIOVASCULAR Zilebesiran + REVERSIR2 Hypertension Rapirosiran (ALN-HSD)1 Metabolic Dysfunction-Assoc

  18. Slide 18: Next Wave of Transformative Medicines

    Next Wave of Transformative Medicines Investigational Therapies with Multi-Billion-Dollar Potential CARDIOVASCULAR NEUROSCIENCE HEMATOLOGY + METABOLIC ZILEBESIRAN MIVELSIRAN ALN-6400 Hypertension Cerebral Amyloid Angiopathy Bleeding Disorders and Alzheimer’s Disease ALN-4324 Type 2 Diabetes Mellitus

  19. Slide 19: 2026 Pipeline Goals to Drive Our Next Phase of Growth

    2026 Pipeline Goals to Drive Our Next Phase of Growth Advance TRITON-CM Phase 3 Trial Ongoing Nucresiran ATTR Amyloidosis Advance TRITON-PN Phase 3 Trial Ongoing Zilebesiran Hypertension Advance ZENITH Phase 3 Trial Ongoing Cerebral Amyloid Complete Enrollment of cAPPricorn-1 Phase 2 Trial H1 Mivels

  20. Slide 20: Financial Summary

    Financial Summary Jeff Poulton Chief Financial Officer 20

  21. Slide 21: Q4 and Full Year 2025 Financial Summary

    Q4 and Full Year 2025 Financial Summary Q4 2025 vs Q4 2025 vs FY25 vs FY25 vs ($ in millions except where noted as percentages) Q4 2024 Q4 2025 Q4 2024 Q4 2024 FY 2024 FY 2025 FY24 FY24 (Reported) (CER2) (Reported) (CER3) Total Net Product Revenues $451 $995 121% 119% $1,646 $2,987 81% 80% Net Reven

  22. Slide 22: 2026 Full Year Guidance

    2026 Full Year Guidance Item FY 2026 Guidance Key Assumptions Total Net Product Revenues1 $4,900 to $5,300 million • Total Rare Net Product Revenues $500 to $600 million (GIVLAARI, OXLUMO) • U.S. TTR category growth consistent with recent run rate • Total TTR Net Product Revenues • U.S. AMVUTTRA mid

  23. Slide 23: Q1 2026 TTR Revenue Phasing Expectations

    Q1 2026 TTR Revenue Phasing Expectations Item+$134M Global FY 2026 Guidance Key Assumptions vs. Q3 • International Q1’26 TTR revenue expected to Total Net Product Revenues1 $4,900decrease to $5,300~million $25M from Q4 primarily due to $858M • Total Rare Net Product Revenues updated CM launch pricin

  24. Slide 24: 2026 Full Year Guidance

    2026 Full Year Guidance Item FY 2026 Guidance Key Assumptions Total Net Product Revenues1 $4,900 to $5,300 million • Total Rare Net Product Revenues $500 to $600 million (GIVLAARI, OXLUMO) • U.S. TTR category growth consistent with recent run rate • Total TTR Net Product Revenues • U.S. AMVUTTRA mid

  25. Slide 25: Q&A Session

    Q&A Session Q4 and Full Year 2025 Financial Results 25

  26. Slide 26: Silence disease. Amplify life.

    Silence diseas el : x Amplify life os 15 \! “YAlnylam

  27. Slide 27: Appendix

    Appendix Q4 and Full Year 2025 Financial Results 27

  28. Slide 28: Reconciliation of Selected GAAP Measures to Non-GAAP Measures

    Alnylam Pharmaceuticals, Inc. Reconciliation of Selected GAAP Measures to Non-GAAP Measures (In thousands) Please note that the figures presented above may not sum exactly due to rounding 28

  29. Slide 29: Reconciliation of Product Revenue and Growth at Constant Currency

    Alnylam Pharmaceuticals, Inc. Reconciliation of Product Revenue and Growth at Constant Currency Constant Currency = Constant Exchange Rate, or CER 29

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