Arbutus Biopharma Corporation · NASDAQ:ABUS

Arbutus Biopharma — Investor Presentation (August 2020)

22 slides from Arbutus Biopharma's investor presentation, Aug 10, 2020

  1. Slide 1: Corporate Presentation August 2020

    Corporate Presentation August 2020 NASDAQ: ABUS www.arbutusbio.com

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements This presentation contains forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995 and Canadian securities laws. All statements that are not historical facts are hereby identified as forward-looking statements for this pur

  3. Slide 3: Investment Highlights

    Investment Highlights Therapeutic focus – curing chronic Hepatitis B Virus (HBV) Infection Significant Team with Unmet Goal of HBV Broad Coronavirus Antiviral 16 % Medical Need Functional HBV Research Expertise & Ownership in Cure Portfolio in HBV Initiative Proven Track Genevant Record Global HBV U

  4. Slide 4: Proven Leadership Team

    Proven Leadership Team William H. Collier Michael J. Sofia, PhD Gaston Picchio, PhD President and CEO Chief Scientific Officer Chief Development Officer Successful track records in the discovery, development, and commercialization of multiple antivirals including sofosbuvir, etravirine, rilpivirine,

  5. Slide 5: HBV Presents a Significant Unmet Medical Need

    HBV Presents a Significant Unmet Medical Need >257Mpeople are chronically 15M infected with HBV, globally. Europe 2M United States 90M China ~ people900k die every year as a consequence despite the availability of effective vaccines and antivirals. : Global Hepatitis Report and Hepatitis B Fact Shee

  6. Slide 6: Significant Opportunity to Improve HBV Cure Rates

    Significant Opportunity STANDARD OF CARE THERAPIES FOR CHRONIC HBV to Improve New HBV HBV Cure Rates PegIFN Entecavir Tenofovir Therapies rate of Dosing Duration 48-weeks Chronic Chronic Undetectable HBV DNA + HBV DNA rate of Undetectable 7-19% 67-90% 76-93% HBV cures are achievable with (<60-80 IU/

  7. Slide 7: Compelling Growth Opportunity in the HBV Market

    Compelling Growth Opportunity in the HBV Market 257M chronic HBV 10.5% Diagnosed 27M An HBV curative regimen 1.8% Treated 4.5M would substantially increase diagnosisdiagnosis and treatmenttreatment rates to unlock significant Low due to sub- optimal SOC cure rate market growth opportunities. and asy

  8. Slide 8: HBV Lifecycle Illustrates Key Points for Intervention

    HBV Lifecycle Illustrates Key Points for Intervention A combination of agents with complementary MOA is needed to cure HBV 1. Nucleoside Analogue 2. Capsid Inhibitor 3. RNAi & RNA Destabilizer 2 3 1 2 NASDAQ: ABUS www.arbutusbio.com

  9. Slide 9: Keys to Therapeutic Success

    1 Reduce/Suppress 2 Reduce/Suppress Keys to Viral DNA Viral Antigens Therapeutic Block Replication Block HBsAg . NA . RNAi . Capsid Inhibitor . RNA Destabilizer Success . RNAi . RNA Destabilizer Reduce cccDNA Pool . Capsid Inhibitor Suppress HBV DNA and viral antigens Leading to an Reawaken host HBV

  10. Slide 10: Arbutus HBV Pipeline

    Arbutus HBV Pipeline Phase I Lead Optimization IND Enabling Healthy Subjects HBV Subjects Phase II HBsAg Reduction RNAi AB-729 HBV RNA Destabilizers Next Gen HBV DNA Suppression Capsid Inhibitor AB-836 Immune Reawakening PD-L1 1st gen NASDAQ: ABUS www.arbutusbio.com 10

  11. Slide 11: AB-729 RNAi Therapeutic

    AB-729 RNAi Single trigger RNAi agent targeting all HBV transcripts Therapeutic Inhibits HBV replication and lowers all HBV antigens Pan-genotypic activity across HBV genotypes Demonstrated complementarity with capsid inhibitors Proprietary GalNAc-conjugate delivery technology provides Actively targ

  12. Slide 12: AB-729 RNAi Therapeutic: Continuous HBsAg decline with a single 60 mg dose

    AB-729 RNAi Continuous HBsAg All subjects responded to decline with a single 60 therapy with everyone Therapeutic mg dose through week 12 achieving at least a -0.62 with mean HBsAg decline log reduction in HBsAg at of approximately 1.0 log week 12 in the 60 mg dose In May 2020, matching the 180 mg g

  13. Slide 13: AB-729-001 Study Design

    AB-729-001 Study Design Part 1: Single Ascending Part 2: Single Doses In Dose In Healthy Subjects Chronic Hepatitis B Subjects Dose 1 (60 mg) Cohort A: 180 mg n=6; 4 active : 2 placebo HBV DNA - n=6 (≥ Day 15 Safety) (≥ Day 15 Safety) Dose 2 (180 mg) Cohort B: 60 mg n=6; 4 active : 2 placebo HBV DNA

  14. Slide 14: Continuous Mean HBsAg Decline of ~1 log10 with a Single 60 mg Dose

    Continuous Mean HBsAg Decline of ~1 log10 with a Single 60 mg Dose Matching HBsAg Decline of 180 mg at Week 12 AB-729 60 mg (N=6) AB-729 180 mg (N=4) 0.25 0.25 0 0 - 0.99 log10 - 0.98 log10 -0.25 IU/mL -0.25 IU/mL -0.5 -0.5 -0.75 -0.75 -1 -1 -1.25 -1.25 -1.5 -1.5 0 14 28 42 56 70 84 0 14 28 42 56 70

  15. Slide 15: All Subjects Responded in the 60 mg Single-Dose Cohort

    All Subjects Responded in the 60 mg Single-Dose Cohort Minimum HBsAg decline of -0.62 log10 and maximum HBsAg decline of -2.14 log10 at week 12 AB-729 60 mg (N=6) AB-729 180 mg (N=4) 0.5 0.5 0 0 -0.5 -0.5 -1 -1 -1.5 -1.5 -2 -2 -2.5 -2.5 0 14 28 42 56 70 84 0 14 28 42 56 70 84 NASDAQ: ABUS www.arbutu

  16. Slide 16: AB-729 60 mg Single-Dose Generally Safe and Well Tolerated

    AB-729 60 mg Single-Dose Generally Safe and Well Tolerated with Normal ALT/AST Through 12 Weeks Alanine Aminotransferase Aspartate Aminotransferase 450 450 400 400 350 350 300 300 250 250 200 200 150 150 100 100 Upper Limit Normal = 48 Upper Limit Normal = 40 50 50 0 0 0 14 28 42 56 70 84 0 14 28 42

  17. Slide 17: AB-729-001 Study

    AB-729-001 Study Part 1: Single Ascending Part 2: Single Doses In Part 3: Multiple Doses In Dose In Healthy Subjects Chronic Hepatitis B Subjects Chronic Hepatitis B Subjects Dose 1 (60 mg) Cohort A: 180 mg Cohort E: 60 mg Q4W n=6; 4 active : 2 placebo HBV DNA - n=6 HBV DNA - n=7 (≥ Day 15 Safety) (

  18. Slide 18: AB-836 Capsid Inhibitor

    AB-836 Novel chemical series differentiated from AB-506 and other competitor Capsid compounds in the Class II capsid inhibitor space Inhibitor Leverages a novel binding site within the core protein dimer-dimer interface Improved intrinsic potency with EC50 < 10 nM Active against NA resistant variant

  19. Slide 19: AB-836: A Next Generation Capsid Inhibitor

    AB-836: A Next Generation Capsid Inhibitor cccDNA Formation / Human HBV DNA / 1o Mechanism 2o Mechanism Serum Shift HBV infected HBV infected Core I105T HBV infected HepDE19 (FC in EC in 40% Compound PHH HepG2-NTCP-C4 Mutation HepG2-NTCP-C4 50 (EC50 μM) Human Serum) (EC50 μM) (EC50 μM) (EC50 mM) (HB

  20. Slide 20: Next Gen RNA Destabilizer Program

    Next Gen RNA Destabilizer Program We believe Offers a novel Continuing active and this approach offers mechanism of action research for an oral to reduce HBsAg and development of potential HBsAg reducing agent other viral proteins and a next generation and all oral combination viral RNA small molecu

  21. Slide 21: Coronavirus Strategy

    Coronavirus Strategy Leveraging our proven expertise and capabilities in antiviral drug discovery and development Long term commitment Pan-coronavirus focused Small Molecule Direct-Acting Antivirals Directed Effort . nsp12 Viral Polymerase - nucleosid(t)es +RNA Virus . nsp5 Main Viral Protease - 31

  22. Slide 22: Key Objectives for 2020

    Key Objectives for 2020 Cash balance of $115M as July 31, 2020, cash runway into mid-2022 Objective Anticipated Timing AB-729 preliminary phase 1a/1b single-dose data  Late 1Q 2020 AB-729 additional week 12 60 mg single-dose data  May 2020 AB-729 multi-dose 60 mg data (4 and 8 wk dosing intervals)

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