Passage Bio, Inc. · NASDAQ:PASG

Passage Bio — Investor Presentation (May 2022)

33 slides from Passage Bio's investor presentation, May 16, 2022

  1. Slide 1: Fulfilling the Promise of Genetic Medicines for CNS Disorders

    Fulfilling the Promise of Genetic Medicines for Central Nervous System DisordersCorporate PresentationMay 2022NASDAQ GS: PASG

  2. Slide 2: Forward-Looking Statement

    2 Forward-Looking StatementThis presentation includes “forward-looking statements” within the meaning of, and made pursuant to the safe harbor provisions of, the Private Securities Litigation Reform Act of 1995, including, but not limited to: our expectation about timing and execution of anticipated

  3. Slide 3: The Passage Bio Advantage

    3 The Passage Bio AdvantageOur VisionTo fulfill the promise of genetic medicines by developing groundbreaking therapies that transform the lives of patients with CNS diseasesA corporate model designed for success PENN GTP PARTNERSHIPDEDICATED MANUFACTURING & ANALYTICSBROAD AND ROBUST PIPELINE

  4. Slide 4: Penn GTP Partnership

    4 Penn GTP Partnership Leaders in AAV gene therapy World-class Gene Therapy ProgramFounded by renowned innovatorJames M. Wilson, M.D., Ph.D.Chief Scientific Advisor, Passage Bio Cutting-edge research and bioengineering Rigorous preclinical characterization to support product candidate selection Next

  5. Slide 5: A Broad and Robust Pipeline with Global Rights

    5 A Broad and Robust Pipeline with Global RightsTransformative therapies for CNS disorders across rare and large patient populations Program* Indication GeneDiscoveryPre-clinicalPhase 1/2PivotalPEDIATRIC PBGM01 † GM1 gangliosidosis GLB1 PBKR03 Krabbe disease GALC PBML04 Metachromatic leukodystrophy

  6. Slide 6: A Diversified Portfolio Strategy

    6 A Diversified Portfolio StrategyCreating sustainable value across rare and large, monogenic and non-monogenic CNS indicationsCutting-edge R&D ADULT (RARE, MONOGENIC)ADULT (NON-MONOGENIC)PEDIATRIC (RARE, MONOGENIC)3 programs•GM1 Gangliosidosis•Krabbe Disease•Metachromatic Leukodystrophy3 programs•F

  7. Slide 7: Passage Bio Pilot Manufacturing Suite

    7 Passage Bio Pilot Manufacturing SuiteScale-up Capability Supporting R&D Pipeline and Future Development Plans UPenn GTPResearch Analytics and Vector Engineering Catalent Suite and Global Supply ChainDedicated cGMP Manufacturing Capacity and End-to-End Clinical Supply Chain Passage Bio CMC R&D Lab

  8. Slide 8: PBGM01 GM1 Gangliosidosis

    P. Bi PBGMOl1 i GM1 Gangliosidosis

  9. Slide 9: GM1 Gangliosidosis: A Devastating Pediatric Disease

    9 GM1 Gangliosidosis: A Devastating Pediatric Disease FATAL, PEDIATRIC NEUROLOGICAL LYSOSOMAL STORAGE DISORDER caused by GLB1gene mutations characterized by destruction of neurons in the brain and spinal cord.Characterized by rapidly progressive neurological decline resulting in reduced muscle tone,

  10. Slide 10: PBGM01 Our Approach

    10 PBGM01OUR APPROACHNext-generation, proprietary capsid delivers functional GLB1gene encoding β-gal to the brain and peripheral tissuesPRECLINICAL EVIDENCECompelling preclinical data in knock-out mouse model•Dose-related histological correction, improvements in neurological function, and survival•M

  11. Slide 11: Imagine-1: Global Phase 1/2 Trial with PBGM01

    11 Imagine-1: Global Phase 1/2 Trial with PBGM01Initial safety and biomarker data from Cohorts 2 & 3 expected in 2H 2022 Trial DesignPhase 1/2, multi-center, open-label, dose escalation and confirmatory study Route of AdministrationIntra-cisterna magna (ICM)VectorAAVhu68DurationTwo years, with rollo

  12. Slide 12: Key Takeaways from Interim Cohort Data

    12 Key Takeaways from Interim Cohort 1 DataWell tolerated, demonstration of functional transgene expression, and meaningful developmental improvement BIOMARKERSPost treatment CSF and serum β-gal activity for both patients above natural history study (NHS) patient values•Increases in CSF and serum β-

  13. Slide 13: Cohort 1 Interim Biomarker Data

    13 •CSF β-gal Activity increased in both patients•Post treatment β-gal activity above NHS patient values (Range 0.30–1.81 nmol/mL/3hr)2Cohort 1 Interim Biomarker Data 01 2 340306090120150180β - Gal Activity, CSF (nmol/mL/3hr) Time (Days)CSF β-gal+0.6+2.7 •Serum β-gal activity increased in both patie

  14. Slide 14: Interim Clinical Results: Patient 1

    14 Interim Clinical Results: Patient 1Patient 1 demonstrated meaningful gains in developmental milestones, advancing from baseline to 9-months•Gross motor: progressed from taking a few steps without support torunning without falling and able to balance on one foot•Expressive language: progressed fro

  15. Slide 15: Interim Clinical Results: Patient 2

    15 Interim Clinical Results: Patient 2At month 4, Patient 2 was clinically observed to have regained previously lost developmental milestones•Gross motor: regained the ability to walk•Expressive language: regained the ability to use specific wordsImprovement documented and observed despite severe de

  16. Slide 16: PBKR03 Krabbe Disease

    P Bi PBKRO3 oo aati Krabbe Disease

  17. Slide 17: Krabbe Disease: A Devastating Pediatric Disease

    17 Krabbe Disease: A Devastating Pediatric Disease FATAL, PEDIATRIC NEUROLOGICAL LYSOSOMAL STORAGE DISORDER caused by GALCgene mutations characterized by demyelination of neurons in the brain and periphery.Disease progression is rapid and highly predictable including loss of acquired milestones, sta

  18. Slide 18: PBKR03 Our Approach

    18 PBKR03OUR APPROACHNext-generation, proprietary capsid delivers functional GALCgene encoding galactosylceramidase (GALC) to the brain and peripheral tissuesPRECLINICAL EVIDENCEPBKR03-treated Krabbe dogs had improved central and peripheral myelination, reduced neuroinflammation and increased surviv

  19. Slide 19: GALax-C Global Phase 1/2 Trial with PBKR03

    19 COHORT 2> 4m to <9mn = 3 COHORT 3> 1m to <4mn = 3 COHORT 1> 4m to <9mn = 4+GALax-C Global Phase 1/2 Trial with PBKR03Initial safety and biomarker data expected by end of 2022 Confirmatory Cohort > 1m to <4mn = 6 Confirmatory Cohort > 4m to <9mn = 6 COHORT 4> 1m to <4mn = 3DOSE 2 (5.0e11 GC/g)*DOS

  20. Slide 20: PBFT02 Frontotemporal Dementia - GRN

    PBFT02Frontotemporal Dementia —GRN

  21. Slide 21: FTD-GRN: A Devastating Adult Disease

    21 FTD-GRN: A Devastating Adult DiseaseDEVASTATING FORM OF DEMENTIA caused by a GRNgene mutation resulting in progranulin (PGRN) deficiency. Approximately 5–10% of FTD is caused by a GRNmutation.Disease progression is rapid and degenerative including loss of speech, loss of expression, severe behavi

  22. Slide 22: PBFT02 Our Approach

    22 PBFT02OUR APPROACHProprietary construct delivers functional GRNgene encoding progranulin (PGRN) with potential therapeutic benefit of a one-time gene therapy approachPRECLINICAL EVIDENCECompelling preclinical evidence from NHP studies•Broad transduction across the brain, including high transducti

  23. Slide 23: upliFT-D: Global Phase 1/2 Trial with PBFT02

    23 upliFT-D: Global Phase 1/2 Trial with PBFT02First patient dosing expected in mid-2022 OPTIONAL DOSE 3 DOSE 2 (1.1e11 GC/g)* DOSE 1 (3.3e10 GC/g)* 60 days between subject enrollment COHORT 1n = 3 COHORT 2n = 3 OPTIONAL COHORT 3n = 3 Trial DesignPhase 1/2, multicenter, open-label, dose escalation s

  24. Slide 24: Preclinical Pipeline

    a PassageBio Life-transforming therapies Preclinical Pipeline

  25. Slide 25: PBML04 - Metachromatic Leukodystrophy

    25 DISEASE OVERVIEW•Fatal inherited disease. Mutations in the ARSA(arylsulfatase A) gene reduce enzyme activity•Infantile onset MLD is characterized by muscle weakness, rigidity, gait disorder, developmental delays, and is typically fatal by 5 years of age•Worldwide prevalence ~1 in 100,0001OUR APPR

  26. Slide 26: PBAL05 - C9orf72 Amyotrophic Lateral Sclerosis

    26 DISEASE OVERVIEW•Fatal neurodegenerative disease characterized by progressive loss of motor function •A hexanucleotide repeat expansion in the C9orf72gene is found in 40% of familial and 8% of sporadic ALS cases (11% of all ALS)1•Estimated ~5,000 cases worldwide in 20202OUR APPROACH•PBAL05: AAV d

  27. Slide 27: Looking Ahead

    Looking Ahead i PassageBio

  28. Slide 28: Key Milestones

    28 TIMINGMILESTONEGM1Early 2022First patient dosed for Cohorts 2 and 3Feb 2022Late breaker presentation at WORLDSymposium2H 2022Initial safety and biomarker data for Cohorts 2 and 3FTD-GRNMid-2022First patient dosed in Phase 1/2 trial for PBFT02KrabbeEarly 2022First patient dosed in Phase 1/2 trial

  29. Slide 29: Genetic Medicines Company on a Mission to Transform Lives of CNS Patients

    29 29Genetic Medicines Company on a Mission to Transform the Lives of Patients with CNS Diseases A diversified rare and large portfolio strategy to ensure sustained value Robust collaboration with GTP, an unmatched leader in cutting-edge AAVgene therapy research Dedicated manufacturing and analytics

  30. Slide 30: Thank You

    Thank Youpassagebio.com |NASDAQ GS: PASG

  31. Slide 31: Demonstrated Leadership

    31 Demonstrated LeadershipLEADERSHIP TEAM BOARD OF DIRECTORSMaxine Gowen, Ph.D.ChairwomanAthena Countouriotis, M.D.Turning PointBruce Goldsmith, Ph.D.Passage BioSaqib Islam, J.D.SpringWorksSandip KapadiaHarmony BiosciencesDerrell Porter, M.D.CellevolveBioTom Woiwode, Ph.D.VersantIn memoriam Tachi Ya

  32. Slide 32: Intra-Cisterna Magna (ICM) Administration

    32 Intra-Cisterna Magna (ICM) Administration•Directly deliver vector into the CSF via a single injection to reach both CNS and peripheral tissues*–Allows for broad CNS biodistribution–Lower doses compared to IV systemic delivery–Reduced impact of neutralizing antibodies •Administered under anesthesi

  33. Slide 33: Pathway to Patient Identification and Trial Recruitment

    33 Pathway to Patient Identification and Trial Recruitment Screening / DiagnosisSponsoring ScreenPlus Pilot Program•GM1 included in the New York newborn screening pilot program led by Dr. Melissa Wasserstein Supporting Invitae Detect LSD and InformedDNA Programs•Free genetic testing and counseling o

Passage Bio — Investor Presentation (May 2022) on 6ix