Arbutus Biopharma Corporation · NASDAQ:ABUS

Arbutus Biopharma — Investor Presentation (January 2024)

26 slides from Arbutus Biopharma's investor presentation, Jan 8, 2024

  1. Slide 1: Corporate Presentation

    NASDAQ: ABUS www.arbutusbio.com January 8, 2024 Corporate Presentation © 2024 Arbutus Biopharma, Inc.

  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 fo

  3. Slide 3: Our Strategy for Value Creation

    Our Strategy for Value Creation Leverage the proven track record of success established with our team's expertise in understanding and treating viral infections by discovering and developing a differentiated pipeline of therapies targeting chronic HBV. Develop a combination therapy that includes ant

  4. Slide 4: Investment Highlights

    Investment Highlights Strong financial position Indications with significant unmet medical need & large market opportunities Patented LNP technology Portfolio of internally discovered assets with distinct MOAs Lead HBV compound – imdusiran (AB - 729) RNAi therapeutic in multiple Phase 2a combination

  5. Slide 5: Pipeline

    Pipeline AB - 101 cHBV NA: Nucleoside Analogue 5 Imdusiran (AB - 729) cHBV AB - 729 - 201 Combo trial (imdusiran + Peg - IFN α - 2a + NA) AB - 729 - 202 Combo trial (imdusiran + vaccine + NA +/ - checkpoint inhibitor) AB - 729 - 001 single - ascending dose / multiple - ascending dose RNAi Therapeuti

  6. Slide 6: HBV Overview

    HBV Overview Life - threatening liver infection caused by hepatitis B virus (HBV) Transmitted through body fluids and from mother to child Long - term chronic infection ( cHBV ) leads to higher risk of cirrhosis and/or liver cancer Cause & Symptoms Diagnosis HBsAg detection Additional biomarkers nec

  7. Slide 7: HBV Presents a Significant Unmet Medical Need

    Africa 60M E Mediterranean 21M SE Asia 39M W Pacific 115M EU 15M Americas 7M ~820k people die every year as a consequence despite the availability of effective vaccines and antivirals. people are chronically infected with HBV, globally. >290M >290M Chronic HBV Sources: https://www.who.int/news - roo

  8. Slide 8: 3-Pronged Approach to Therapeutic Success

    Suppress Reduce Boost Viral DNA and cccDNA Pool Viral Antigen - HBsAg Host Immune System Leading to an HBV Cure 3 - Pronged Approach to Therapeutic Success Therapeutic success will require a combination of agents with complementary MOAs. Suppress HBV DNA Reduce viral antigens Boost host immune respo

  9. Slide 9: RNAi Therapeutic

    9 RNAi Therapeutic © 2024 Arbutus Biopharma, Inc.

  10. Slide 10: Imdusiran RNAi Therapeutic: GalNAc-conjugate delivery technology

    Proprietary GalNAc - conjugate delivery technology provides liver targeting and enables subcutaneous dosing Single trigger RNAi agent targeting all HBV transcripts Inhibits HBV replication and lowers all HBV antigens Pan - genotypic activity across HBV genotypes Demonstrated complementarity with oth

  11. Slide 11: 001: Comparable mean HBsAg declines observed in all Cohorts

    11 © 2024 Arbutus Biopharma, Inc. AB - 729 - 001: Comparable mean HBsAg declines were observed in all Cohorts All Cohorts achieved at least a - 1.8 log 10 decline in mean HBsAg at the end of the treatment period (Week 48) There were no significant differences in mean HBsAg declines between the 60 mg

  12. Slide 12: Treatment with Imdusiran Reactivates HBV Specific Immunity in Some Patients

    AB - 729 - 001 : Treatment with Imdusiran Reactivates HBV Specific Immunity in Some Patients 12 0 4 812162024283236404448525660 0 1 2 3 4 5 0 20 40 60 H B s A g ( L o g 1 0 I U / m L ) Patient 43 60 mg Q4W 0 4 8 1216202428323640444852 0 1 2 3 4 0 10 20 30 40 50 60 H B s A g ( L o g 1 0 I U / m L ) P

  13. Slide 13: Clinical Trial Key Takeaways

    AB - 729 - 001 Clinical Trial Key Takeaways Imdusiran provided robust and comparable HBsAg declines regardless of dose, dosing interval, HBeAg or DNA status Discontinuation of both imdusiran and NA - therapy results in sustained reduction in HBsAg and HBV DNA in the majority of patients Imdusiran wa

  14. Slide 14: 201: Phase 2a POC Clinical Trial

    Phase 2a POC Clinical Trial Imdusiran in combination with ongoing NA therapy and short courses of Peg - IFN α - 2 a in cHBV patients AB - 729 - 201: Follow - up (24 - weeks) Imdusiran + NA + IFN (n=12) NA + IFN (n=12) Imdusiran +NA+IFN (n=8) NA + IFN (n=8) Imdusiran + NA (60mg Q8W) n=43 HBeAg - Rand

  15. Slide 15: Individual and Mean HBsAg Results by Cohort Over Time

    Individual and Mean HBsAg Results by Cohort Over Time 15 AB - 729 - 201: Imdusiran Treatment Led to Consistent HBsAg Declines; IFN may contribute to additional declines Mean (SE) HBsAg log 10 Change from Baseline at Key Timepoints Data presented at EASL 2023 Preliminary results: Treatment was genera

  16. Slide 16: 202: Phase 2a POC Clinical Trial

    Phase 2a POC Clinical Trial POC Phase 2a clinical trial evaluating imdusiran in combination with Barinthus Bio’s immunotherapeutic, VTP - 300, NA and with or without low dose nivolumab AB - 729 - 202: Primary objective: evaluate safety and reactogenicity of imdusiran followed by VTP - 300 or placebo

  17. Slide 17: 202: HBsAg Levels Reduced and Sustained with Imdusiran and VTP-300

    17 © 2024 Arbutus Biopharma, Inc. AB - 729 - 202: HBsAg Levels were Reduced and Sustained with Imdusiran and VTP - 300 Treatment Mean HBsAg Change from Baseline and Key Milestones Mean HBsAg Change from Baseline by Treatment Group Data presented at AASLD 2023 Preliminary results: Robust reductions o

  18. Slide 18: 202: HBV-Specific T Cell Responses and Immune Biomarkers Increased

    18 © 2024 Arbutus Biopharma, Inc. AB - 729 - 202: HBV - Specific T Cell Responses and Soluble Immune Biomarkers increased after VTP - 300 dosing Preliminary results: Elevations in HBV - specific T cell IFN - γ production were observed during imdusiran lead - in and after vaccination for n=7 patients

  19. Slide 19: Strategic Collaboration: Exclusive Licensing and Strategic Partnership

    Strategic Collaboration Exclusive Licensing* and Strategic Partnership Develop, manufacture and commercialize imdusiran in mainland China, Hong Kong, Macau and Taiwan Imdusiran Upfront payment (received in 2022) $40M Equity investment (received in 2022) $15M Commercialization and milestone payments

  20. Slide 20: Oral PD-L1 Inhibitor

    Oral PD - L1 Inhibitor 20 © 2024 Arbutus Biopharma, Inc.

  21. Slide 21: AB-101: Oral PD-L1 Inhibitor for HBV Immune Reactivation

    AB - 101: Oral PD - L1 Inhibitor for HBV Immune Reactivation PD - 1: Programmed death ligand protein | Abs: Antibodies Currently in a Phase 1a/1b clinical trial Rationale • HBV immune tolerance is a critical driver of cHBV infection • PD - 1:PD - L1 checkpoint axis plays a key role in immune toleriz

  22. Slide 22: AB-101: Small-Molecule Oral PD-L1 Inhibitor for HBV

    AB - 101: Small - Molecule Oral PD - L1 Inhibitor for HBV AB - 101 is highly potent and activates HBV specific immune cells from chronic HBV patients AB - 101 reinvigorates HBV - specific cHBV patient T - cells PBMCs N= cells from 9 cHBV patients *p< - 0.05 PBMC: P eripheral Blood Mononuclear Cells

  23. Slide 23: AB-101-001: Phase 1a/1b Clinical Trial

    23 © 2024 Arbutus Biopharma, Inc. Part 1: SAD (n=8/cohort – 6:2) 1C: Dose 3 1B: Dose 2 1A: Dose 1 Part 2: MAD (n=10/cohort – 8:2) 2A: Do se ≤ dose tested in Part 1; interval TBD 2B: Dose/interval TBD 3A: Dose ≤ dose tested in Part 2; interval TBD x 28d 3B: Dose/interval TBD x 28d 3C: Dose/interval T

  24. Slide 24: LNP Litigation: Update

    24 LNP litigation: Update Moderna* • Fact discovery on - going • Markman Hearing set for February 8, 2024 – court will hear arguments on claim construction and expected to issue its order within 60 days of conclusion of the hearing • Next Steps – Expert testimony / depositions – Trial date not set;

  25. Slide 25: 2024 Key Milestones

    2024 Key Milestones *Preliminary cash balance (which includes cash equivalents and investments) and cash burn were calculated prior to the completion of an audit and are subject to adjustment 25 Anticipated Timing 2024 Milestone 1H AB - 729 - 201 Phase 2a (imdusiran + IFN): End - of - treatment data

  26. Slide 26: Thank You

    Thank You © 2024 Arbutus Biopharma, Inc.

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