Anaptysbio, Inc. · NASDAQ:ANAB

Anaptysbio — 39th Annual J.P. Morgan Healthcare Conference 2021

35 slides from Anaptysbio's conference presentation, Jan 11, 2021

  1. Slide 1: Corporate Overview

    AnaptysBioW Corporate Overview 39th Annual J.P. Morgan Healthcare Conference January 11-14! 2021

  2. Slide 2: Safe Harbor Statement

    Safe Harbor Statement VV This presentation and any accompanying oral presentation contain “forward-looking” statements within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to: the timing of the release of data from our

  3. Slide 3: AnaptysBio: Clinical-Stage Novel Antibody R&D Engine

    AnaptysBio: Clinical-Stage Novel Antibody R&D Engine Vv Advancing First-In-Class Immunology Therapeutics to Patients Wholly-Owned Multiple imsidolimab Phase 2 readouts anticipated in 2021, in addition to Clinical Catalysts advancement of imsidolimab into Phase 3 GPP registration trial 8 immuno-derma

  4. Slide 4: Wholly-Owned Product Pipeline

    Wholly-Owned Product Pipeline VY 8 immuno-dermatology indications under Phase 2/3 development during 2021 Antibody Therapeutic Development Stage & Anticipated Milestones Program Indication Discovery Preclinical Phase 1 Phase 2 Phase 3 Generalized GALLOP: Phase 2 Data To Be Presented At 2021 Medical

  5. Slide 5: Partnered Product Pipeline

    Partnered Product Pipeline \W Anticipate Royalties On Dostarlimab and Zejula™ Starting 2021 ; Tecra Development Stage & Anticipated Milestones exw Antibody Progr ropes ame am Indication Discovery _Precinical Phase 1 Phase 2 Phase 3 Rights Dostarlimab . BLA Acceptance sntsPD-1 Aragon ores MOONSTONE 8

  6. Slide 6: Anticipated Wholly-Owned Clinical Catalysts

    Anticipated Wholly-Owned Clinical Catalysts Vv Program Clinical Catalyst Timing GALLOP: GPP Phase 2 Trial GPP Phase 3 Trial POPLAR: PPP Phase 2 Trial Imsidolimab (ANBO19, anti-IL-36R) EMERGE: EGFRi/MEKi Mediated Skin Toxicity Phase 2 Trial INSPIRE: Ichthyosis Phase 2 Trial HARP: Hidradenitis Suppura

  7. Slide 7: Wholly-Owned Pipeline: Imsidolimab (ANB019, Anti-IL-36R)

    AnaptysBioW Wholly-Owned Pipeline: Imsidolimab (ANB019, Anti-IL-36R) Generalized Pustular Psoriasis Palmoplantar Pustulosis EGFRi-Mediated Skin Toxicity ichthyosis Hidradenitis Suppurativa Acne

  8. Slide 8: IL-36 Dysfunction Mediates Severe Inflammatory Disease

    IL-36 Dysfunction Mediates Severe Inflammatory Disease Y Genetic Association with Generalized Pustular Psoriasis ivi Disease Patients i Normal Individuals ‘Gitciiodied sionalia cuss ayesancasial Treated Patients IL-36 receptor antagonist or elevated IL-36 cytokine levels IL-36 cytokine signaling bal

  9. Slide 9: Generalized Pustular Psoriasis (GPP)

    Generalized Pustular Psoriasis (GPP) Orphan Disease Associated with IL-36 Receptor Antagonist Mutations GPP is a systemic, life-threatening inflammatory disease characterized by widespread pustules - Patients have a high fever and elevated levels of serum CRP and inflammatory cytokines (e.g. IL-8) S

  10. Slide 10: GALLOP: Imsidolimab Moderate-to-Severe GPP Phase 2 Trial

    GALLOP: Imsidolimab Moderate-to-Severe GPP Phase 2 Trial Vv Trial Design Treatment Period Monitoring Period . 2g ge zs 32 3! oS de ag 5 = & = Imsidolimab 750mg IV Loading Dose & + 100mg SC q4w Maintenance Dose Ht ae Patient + Moderate-to-severe adult generalized pustular psoriasis patients Populatio

  11. Slide 11: GALLOP: Interim Analysis Data

    GALLOP: re Mies 2 Interim Analysis Data ficacy With Imsidolimab Monothe ising Eft itiation in Mid-2021 A Anticipate + Rapid and promising efficacy - 60f8 patients achieved primary endpoint of improvement in the clinical global impression scale (CGI) on Day 29 — Rapid reduction of skin pustules by 60

  12. Slide 12: Palmoplantar Pustulosis (PPP)

    Palmoplantar Pustulosis (PPP) Orphan Disease Associated With Elevated IL-36 Cytokine Levels Severe inflammation of hands and feet Significant pain and inability to stand, walk or work No approved therapeutic options in this indication PPP is an orphan disease that affects approximately 150,000 patie

  13. Slide 13: POPLAR: Imsidolimab Palmoplantar Pustulosis Phase 2 Trial

    POPLAR: Imsidolimab Palmoplantar Pustulosis Phase 2 Trial Y Top-Line Data Anticipated Q1 2021 Treatment Period Monitoring Period i i i Imsidolimab 200mg SC Loading Dose + | 100mg SC q4w Maintenance Dose Placebo =} Patient . Adult Moderate-to-Severe Palmoplantar Pustulosis Population Key Endpoints PP

  14. Slide 14: EGFR/MEK inhibitor papulopustular rash

    Papulopustular rash is the most frequent clinically significant dermatological toxicity associated with EGFR/MEK inhibitor solid tumor treatment Majority of patients experience dose-limiting skin toxicity and/or discontinuation of EGFR/MEK inhibitor therapy Recent human translational data indicates

  15. Slide 15: EMERGE: Imsidolimab EGFRi/MEKi-Mediated Skin Tox Phase 2 Trial

    EMERGE: Imsidolimab EGFRi/MEKi-Mediated Skin Tox Phase 2 Trial Y Interim Top-Line Data Anticipated End 2021 Treatment Period Monitoring Period i i i Imsidolimab 400mg SC Loading Dose + | 200mg SC q4w Maintenance Dose Placebo |—Se gee gee ity pyle + Adult patients undergoing cancer therapy with oral

  16. Slide 16: New Indication: Ichthyosis

    New Indication: Ichthyosis Orphan Disease Associated With Excess IL-36 Signaling + Ichthyosis is a rare, orphan dermatological indication with high medical unmet need + Patients suffer from dry, scaly skin, often leading to itch and painful cracking * Translational studies have demonstrated high IL-

  17. Slide 17: INSPIRE: Imsidolimab Ichthyosis Phase 2 Trial

    INSPIRE: Imsidolimab Ichthyosis Phase 2 Trial Interim Top-Line Data Anticipated in 2022 Treatment Period Open-Label Period 3 bef 2 = 2 2 Imsidolimab 400mg SC Loading Dose + 200mg SC q4w Maintenance Dose Alll Patients Receive 200mg SC qaw ‘Maintenance Dose Placebo Pia ee see Patient + Patients diagno

  18. Slide 18: New Indication: Hidradenitis Suppurativa

    New Indication: Hidradenitis Suppurativa Vv IL-36 Cytokine Over-Expression Observed in Patient Skin Biopsies * Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease - Painful nodules present in intertriginous areas that progress to abscesses, sinus tracks and scarring * Current treatm

  19. Slide 19: New Indication: Moderate-to-Severe Acne

    New Indication: Moderate-to-Severe Acne Large Market Opportunity Associated with IL-36 Signaling + Acne is the most common skin disorder in the United States, with approximately 7 million patients diagnosed with moderate-to-severe disease + Believed to be driven by immune response to P. acnes, resul

  20. Slide 20: Wholly-Owned Pipeline: ANB030 and ANB032 Inflammatory Diseases

    AnaptysBioW Wholly-Owned Pipeline: Anti-PD-1 Agonist (ANB030) Anti-BTLA Modulator (ANB032) Inflammatory Diseases

  21. Slide 21: Anti-Inflammatory Checkpoint Receptor Antibodies

    Anti-Inflammatory Checkpoint Receptor Antibodies Novel Therapeutic Class Validated By Human Genetics Anti-inflammatory checkpoint receptor antibodies have unique binding properties that are challenging to generate using traditional antibody technologies AnaptysBio’s technology platform has successfu

  22. Slide 22: ANB030: PD-1 Agonist Antibody

    ANBO30: PD-1 Agonist Antibody Vv Novel Anti-Inflammatory Mechanism Applicable to T-Cell Driven Inflammatory Conditions Activated T Cell Antigen Presenting Cell * PD-1 is a key inhibitory immune checkpoint receptor responsible for down-regulating T- cell mediated immune responses i H Healthy * Insuff

  23. Slide 23: ANB032: BTLA Modulator Antibody

    Emerging Lymphoid and Myeloid Immune Control Mechanism Broadly Applicable to Inflammatory Disease ANBO032: BTLA Modulator Antibody ¥ * BTLAis an inhibitory checkpoint receptor A ANB032 responsible for regulating activation of lymphoid (T and B) cells and myeloid (dendritic) cells ° Genetic defects i

  24. Slide 24: Wholly-Owned Pipeline: Etokimab (ANB020, Anti-IL-33)

    AnaptysBioW Wholly-Owned Pipeline: Etokimab (ANBO020, Anti-IL-33) Chronic Rhinosinusitis with Nasal Polyps

  25. Slide 25: ECLIPSE: Etokimab CRSwNP Phase 2 Trial

    ECLIPSE: Etokimab CRSwWNP Phase 2 Trial Vv Discontinue further development of etokimab Treatment Period Monitoring Period Week 16 i Etokimab 300mg SC Loading Dose + | f 150mg SC q8w Maintenance Dose + MFNS Placebo + MENS —————— Sea MFNS = see = mometasone furoate nasal spray geet < Patient Adult Chr

  26. Slide 26: ECLIPSE: Etokimab CRSwNP Phase 2 Trial Results

    ECLIPSE: Etokimab CRSwNP Phase 2 Trial Discontinue further development of etokimab 7 - End Paramet + Etokimab q4w and q8w treatment arms failed pares cermin! to achieve NPS and SNOT-22 statistical significance over placebo at the Week 16 final Baseline: ae a aa analysis Week 16 16% 17% 1% - Both arm

  27. Slide 27: Partnered Pipeline: GSK Immuno-Oncology Collaboration

    AnaptysBioW Partnered Pipeline: GSK Immuno-Oncology Collaboration Dostarlimab (GSK4057190, anti-PD-1 Antagonist) Cobolimab (GSK4069889, anti-TIM-3 Antagonist) TSR-033 (GSK4074386, anti-LAG-3 Antagonist)

  28. Slide 28: Dostarlimab US and EU Approval Anticipated in H1 2021

    Dostarlimab US and EU Approval Anticipated in H1 2021 GSK Immuno-Oncology Collaboration VY Anticipate Royalties From Sales of Dostarlimab and Zejula™ in 2021 BLA and MAA Accepted Giaradomeur US and EU Approval Anticipated H1 2024 GARNET (n=125) RUBY (n=470) dMMR Pan-Tumor BLA Acceptance Anticipated

  29. Slide 29: Proprietary Technology Platform

    AnaptysBioW Proprietary Technology Platform

  30. Slide 30: Somatic Hypermutation (SHM) Platform

    Somatic Hypermutation (SHM) Platform Y Proprietary Platform Incorporates in vitro SHM and Iterative Antibody Evolution In Vitro SHM Iterative Antibody Evolution Starting Library AIpunauced Selection —_—> Selection +¥ tH 4¥ \ Optimized AID-Induced . ‘Antibody SHM In vitro SHM permits access to biolog

  31. Slide 31: Somatic Hypermutation (SHM) Platform: Advantages

    Somatic Hypermutation (SHM) Platform VY Advantages Over Competing Antibody Technologies Unprecedented antibody diversity through SHM — In situ antibody diversity generation outside of the constraints of an in vivo environment High potency & functional activity — Only small doses may be required to c

  32. Slide 32: Summary

    AnaptysBioW Summary

  33. Slide 33: Anticipated Wholly-Owned Clinical Catalysts

    Anticipated Wholly-Owned Clinical Catalysts VY Program Clinical Catalyst Timing GALLOP: GPP Phase 2 Trial GPP Phase 3 Trial POPLAR: PPP Phase 2 Trial Imsidolimab (ANBO19, anti-IL-36R) EMERGE: EGFRi/MEKi Mediated Skin Toxicity Phase 2 Trial INSPIRE: Ichthyosis Phase 2 Trial HARP: Hidradenitis Suppura

  34. Slide 34: AnaptysBio: Clinical-Stage Novel Antibody R&D Engine

    AnaptysBio: Clinical-Stage Novel Antibody R&D Engine Vv Advancing First-In-Class Immunology Therapeutics to Patients Wholly-Owned Multiple imsidolimab Phase 2 readouts anticipated in 2021, in addition to Clinical Catalysts advancement of imsidolimab into Phase 3 GPP registration trial 8 immuno-derma

  35. Slide 35: AnaptysBioW

    AnaptysBioW

Anaptysbio — 39th Annual J.P. Morgan Healthcare Conference 2021 on 6ix