Atea Pharmaceuticals, Inc. · NASDAQ:AVIR

Atea Pharmaceuticals — Q2 2024 Earnings Presentation

30 slides from Atea Pharmaceuticals's earnings presentation, Aug 7, 2024

  1. Slide 1: Second Quarter Financial and Business Update

    Second Quarter Financial and Business Update August 7, 2024 NASDAQ: AVIR June 2020

  2. Slide 2: Disclaimers

    DISCLAIMERS Forward-Looking Statements This presentation contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are neither historical facts nor assurances of future performance. Instead, they are based on our curr

  3. Slide 3: Achieved and Upcoming Significant Clinical Milestones in 2024

    Achieved and Upcoming Significant Clinical Milestones in 2024 Fully Funded Through Key Inflection Points COVID-19 – Global Phase 3 SUNRISE-3 Trial ü Full enrollment achieved NDA with 2,221 patients in Topline results submission monotherapy cohort, 74 in target combination cohort Mar’24 2H’24 ~YE’24

  4. Slide 4: Program Update: Potential Best-in-Class Pan-Genotypic Regimen

    HEPATITIS C Program Update: Potential Best-in-Class Pan-Genotypic Regimen • Phase 2 Open Label Study of Bemnifosbuvir + Ruzasvir

  5. Slide 5: Best-in-Class Target Profile - Bemnifosbuvir + Ruzasvir

    Best-in-Class Target Profile - Bemnifosbuvir + Ruzasvir HCV Bemnifosbuvir is the most potent nucleotide inhibitor for HCV2 Continues to be a and ruzasvir is a highly potent NS5A inhibitor3 healthcare crisis in US Recognized ongoing unmet • Potential for fewer side effects, low risk for drug-drug int

  6. Slide 6: US HCV Market: Epclusa & Mavyret

    HEPATITIS C US HCV Market: Epclusa® & Mavyret® Potential US HCV Market Value 2022 2023 Market demand Treatment of all grew ~5% 2023 current chronic HCV patients >$20B+ # of Patients (NRxs) Treated 1 93,452 98,412 Potential Market Value3 2023 ~2-4M 4 Total US HCV Market Net Revenues 2 $1,599M $1,518M

  7. Slide 7: Profile of Today's HCV-Infected Patient

    HEPATITIS C Profile of Today’s HCV-Infected Patient Predominately Younger Patient Population (30-39 yrs old)1, Newly Infected1 Therefore <10% Cirrhotic2 Unmet Need Due to DDIs Unmet Need for Convenient Therapy High proportion of current HCV- Populations at highest risk for infected patients take con

  8. Slide 8: Bemnifosbuvir + Ruzasvir Target Product Profile

    HEPATITIS C Bemnifosbuvir (BEM) + Ruzasvir (RZR) Target Product Profile BEM + RZR Profile Addresses Unmet Needs of Today’s HCV-Infected Patients Profile BEM+RZR MAVYRET® EPCLUSA® Non-Cirrhotic 8 Weeks 8 Weeks 12 Weeks Treatment Duration Compensated Cirrhosis 8 Weeks 8 Weeks 12 Weeks 12 Weeks 12 Week

  9. Slide 9: New Fixed Dose Combination Tablet Achieved Comparable Drug Exposure

    HEPATITIS C New Fixed Dose Combination (FDC) Tablet Achieved Drug Exposure Comparable to Individually Administered BEM + RZR Used in Phase 2 & Other Studies FDC Tablet for Phase 3 Program and Subsequent Commercialization AT-273 is the plasma surrogate marker for active intracellular triphosphate met

  10. Slide 10: Phase 2 Open Label Study of BEM + RZR in HCV Patients

    HEPATITIS C Phase 2 Open Label Study of BEM + RZR in HCV Patients BEM 550 mg QD Enrollment Study Design: Open label combination Achieved RZR 180 mg QD June 2024 N= 275 patients: including lead-in cohort 8 weeks dosing w/combination Patient Population: • HCV-infected patients, including Primary Endpo

  11. Slide 11: On-treatment Viral Kinetics – Individual Patient Data (n=60)

    HEPATITIS C On-treatment Viral Kinetics – Individual Patient Data (n=60) Phase 2 Open Label Study of BEM + RZR Lead-in Cohort • Rapid viral reduction in all patients within the first week HCV RNA, log10 IU/mL regardless of baseline viremia and genotype • Viral load in all patients near or below LLOQ

  12. Slide 12: HCV RNA Qualitative Results – All Genotypes (N=60)

    HEPATITIS C HCV RNA Qualitative Results – All Genotypes (N=60) Phase 2 Open Label Study of BEM + RZR Lead-in Cohort • 97% SVR12 rate in lead-in cohort • 2 subjects (GT1b and GT2b) with post- treatment relapse • Low plasma drug levels and similar viral mutations at baseline and 12-weeks post- treatme

  13. Slide 13: HCV RNA Qualitative Results – Genotypes 1 and 3

    HEPATITIS C HCV RNA Qualitative Results – Genotypes 1 and 3 Phase 2 Open Label Study of BEM + RZR Lead-in Cohort • High SVR12 rates in historically difficult to treat HCV patients • Similar viral kinetics in GT1 and GT3 13 LLOQ=Lower limit of quantification

  14. Slide 14: Post-Treatment Relapse – GT1b-infected Patient

    HEPATITIS C Post-Treatment Relapse – GT1b-infected Patient Plasma drug level, Phase 2 Open Label Study of BEM + RZR Lead-in Cohort ng/mL DAY AT-273 RZR 1 BLQ BLQ 8 161 173 15 246 263 29 235 248 43 45.7 28.1 57 33.2 28.3 AT-273 is the surrogate for the BEM active triphosphate • Low plasma drug levels

  15. Slide 15: Post-Treatment Relapse – GT2b-infected Patient

    HEPATITIS C Post-Treatment Relapse – GT2b-infected Patient Plasma drug level, Phase 2 Open Label Study of BEM + RZR Lead-in Cohort ng/mL DAY AT-273 RZR 1 BLQ BLQ 8 42.6 70.9 15 61.36 42.2 29 46.6 53.3 43 47.4 27.6 57 24.4 24.4 AT-273 is the surrogate for the BEM active triphosphate • Low plasma drug

  16. Slide 16: Individual Profiles – Lower Exposures Achieving SVR12

    HEPATITIS C Individual Profiles – Lower Exposures Achieving SVR12 Phase 2 Open Label Study of BEM + RZR Lead-in Cohort EOT SVR4 SVR12 EOT SVR4 SVR12 8 8 GT1a patient: pill counts suggest 75% compliance 600 600 GT1b patient: pill counts suggest 100% while there were no drug levels Day 29+ compliance

  17. Slide 17: Open Label Phase 2 Lead-in Cohort Results (n=60)

    HEPATITIS C Open Label Phase 2 Lead-in Cohort Results (n=60) Phase 2 Open Label Study of BEM + RZR Lead-in Cohort Safety Summary • All patients (n=60) completed the 8-week treatment period • Bemnifosbuvir + ruzasvir was generally safe and well tolerated • No drug-related SAEs or premature treatment

  18. Slide 18: Strong Operational Execution, Preparing for Global Phase 3 Program

    HEPATITIS C Strong Operational Execution, Preparing for Global Phase 3 Program BEM + RZR: Potential Best-in-Class Pan-genotypic Regimen • Achieved patient enrollment June 2024 (n=275) • Selected fixed dose combination tablet • Phase 2 complete SVR12 results expected Q4’24 HCV unmet medical needs • P

  19. Slide 19: Bemnifosbuvir Phase 3 Program

    COVID-19 Bemnifosbuvir Phase 3 Program • COVID-19 Unmet Medical Need • Global Phase 3 SUNRISE-3 Trial

  20. Slide 20: COVID-19 Variants Continue to Rapidly Emerge Creating Waves of Infection

    COVID-19 COVID-19 Variants Continue to Rapidly Emerge Creating Waves of Infection Early Summer Wave Driven by KP Variants and Closely Related LB.1 20 CDC: https://covid.cdc.gov/covid-data-tracker/#variant-summary

  21. Slide 21: COVID-19: Bemnifosbuvir Target Profile and Market Opportunity

    Bemnifosbuvir Target Profile: COVID-19 • Low risk of drug-drug interactions Continuing Threat, • Generally safe and well-tolerated Particularly for Those Vulnerable to Severe Disease • Distinct MOA with high barrier to resistance New, Safe and Well-Tolerated In the MORNINGSKY* trial, risk of hospita

  22. Slide 22: SUNRISE-3: Global Phase 3 Trial in High-Risk COVID-19 Outpatients

    COVID-19 SUNRISE-3: Global Phase 3 Trial in High-Risk COVID-19 Outpatients Bemnifosbuvir – U.S. Fast Track Designation for COVID-19 Inclusion Criteria: High-risk outpatients Bemnifosbuvir 550 mg BID + SOC Enrollment with mild or moderate COVID-19, Completed regardless of vaccination status; symptom

  23. Slide 23: Strong Operational Execution of Global Phase 3 SUNRISE-3 Trial

    COVID-19 Strong Operational Execution of Global Phase 3 SUNRISE-3 Trial Only Current Phase 3 Program in High-Risk Patients with Hospitalization as Primary Endpoint • SUNRISE-3 enrolled ahead of guidance • Enrolled 2,221 patients in monotherapy Unmet Medical Need cohort and 74 patients on combination

  24. Slide 24: US TRx Demand for COVID-19 Oral Antivirals Correlates with Infections

    COVID-19 US TRx Demand for COVID-19 Oral Antivirals Correlates with Infections US Demand: Monthly COVID-19 Oral Antiviral Prescriptions Dispensed (thousands) 1,200 32% increase in 130 June 2024 TRx 1,000 vs June 2023 121 101 97 correlates with 800 93 early summer wave Thousands 88 72 79 600 64 65 1,

  25. Slide 25: Financial Summary

    Financial Summary 25

  26. Slide 26: Financial Update Second Quarter 2024

    Financial Update Second Quarter 2024 26

  27. Slide 27: Financial Update Second Quarter 2024

    Financial Update Second Quarter 2024 27

  28. Slide 28: Closing Remarks

    Closing Remarks Corporate Presentation NASDAQ: AVIR June 2020

  29. Slide 29: Focused Antiviral Pipeline, Strong Operational Execution Across Programs

    Focused Antiviral Pipeline, Strong Operational Execution Across Programs Key Clinical Data Expected in 2024: Phase 3 SUNRISE-3 Results and Complete Phase 2 HCV Results PROGRAM THERAPEUTIC INDICATION PRECLINICAL PHASE 1 PHASE 2 PHASE 3 MAJOR MILESTONES 2024 Coronaviridae COVID-19 Full enrollment achi

  30. Slide 30: June 2020

    225 Franklin Street Suite 2100 Boston MA USA 02110 www.ateapharma.com June 2020

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