Metagenomi Therapeutics, Inc. · NASDAQ:MGX

Metagenomi Therapeutics — Investor Presentation (August 2025)

31 slides from Metagenomi Therapeutics's investor presentation, Aug 12, 2025

  1. Slide 1: Unlocking 4 Billion Years of Microbial Evolution to Create Curative Genetic Medicines

    Nasdaq: MGX August 2025 Unlocking 4 Billion Years of Microbial Evolution to Create Curative Genetic Medicines

  2. Slide 2: Forward Looking Statements

    Forward Looking Statements This presentation includes forward-looking statements, including forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical facts contained in this presentation are forward looki

  3. Slide 3: Our Vision: Harness the power of our metagenomics platform

    Our Vision: Harness the power of our metagenomics platform to create curative genetic medicines for patients Programmable Genome Editing Tools Precise Human Gene Modification Curative Genetic Medicines AI-Driven Metagenomics Platform

  4. Slide 4: Programmable Genome Editing Tools, Precise Human Gene Modification, Curative Genetic Medicines

    Programmable Genome Editing Tools AI-Driven Metagenomics Platform Precise Human Gene Modification Curative Genetic Medicines Our diverse and modular genome editing toolbox is designed to precisely target any site in the human genome, yielding the potential to address the full spectrum of genetic dis

  5. Slide 5: Hundreds of millions of people worldwide have diseases potentially treatable with gene editing

    Hemophilia A More than 500,000 patients globally 5 Refractory Hypertension 900,000 patients in the US 7 Transthyretin Amyloidosis (TTR) 300,000–500,000 patients globally with wild-type ATTR 6 Hundreds of millions of people worldwide have diseases that are potentially treatable with gene editing Over

  6. Slide 6: The metagenomics platform is the foundation of our gene editing toolbox

    Proprietary Sampling Exploring diverse microbe- rich ecosystems to extract DNA from environmental samples AI-powered Screening Leveraging AI, ancestral reconstruction, proprietary algorithms, robotics, and automation to reveal novel cellular machinery Complete Genome Editing Capabilities Building a

  7. Slide 7: Our proprietary toolbox enables precise edits of the human genome

    Our proprietary toolbox enables precise edits of the human genome Programmable chassis with additional effector enzymes to cause single nucleotide changes Knockdown, knock-in, exon skipping Single nucleotide changes Proprietary library of highly precise and efficient nucleases, including ultra-small

  8. Slide 8: Metagenomi Translation Engine: disease target selection criteria

    Pipeline comprised of disease targets with: Metagenomi Translation Engine Disease Target Selection Criteria: FOCUS Liver targeting for hematologic, cardiometabolic and hepatic diseases Various LNP & AAV delivery options ADDITIONAL FOCUS Extrahepatic Disease Various AAV and novel non-viral delivery o

  9. Slide 9: Measured, phase-appropriate investments in development and GMP manufacturing

    Measured, phase-appropriate investments in development and GMP manufacturing designed to rapidly and reliably progress development and manufacturing for Metagenomi’s development and clinical pipeline Product Characterization State-of-the-art screening, optimization, and characterization, streamlinin

  10. Slide 10: Strategic collaborations complement our development capabilities

    Strategic collaborations compliment our development capabilities Next-generation cell therapies enhanced by multiplex genome editing targeting TCR ex vivo immuno-oncology cell therapies Co-founded by world- renowned experts in cancer immunotherapy Metagenomi to receive options, milestones and royalt

  11. Slide 11: Broad pipeline built on our next generation gene editing platform

    Editing Platform Delivery Indication / Editing Target Discovery Lead Optimization IND-Enabling Clinical LIVER LNP + AAV Hemophilia A / ALB Knock-in Undisclosed secreted protein diseases Knockdown LNP Transthyretin Amyloidosis / TTR Refractory Hypertension / AGT Undisclosed cardiovascular disease Und

  12. Slide 12: 2024 milestones and key publications

    Hemophilia A Program Cardiometabolic Programs Other Therapeutic Programs / Technology Development Declared MGX-001, wholly-owned Development Candidate (DC) Factor VIII activity sustained in NHP study for more than 16 months presented at ASH 1 Initial regulatory engagement with FDA GxP Manufacturing

  13. Slide 13: Anticipated milestones allow advancement towards the clinic

    2025 2026 Hemophilia A Program Complete ongoing NHP durability study Conduct Pre-IND and ex-US regulatory meetings IND / CTA filings Cardiometabolic Programs Other Therapeutic Programs / Technology Development Continue to advance early-stage pipeline for multiple future IND filings Nominate 1-2 DCs

  14. Slide 14: Pipeline Overview

    Pipeline Overview 14

  15. Slide 15: Hemophilia A Disease Background

    Disease Background Most common X-linked inherited bleeding disorder; vast majority of patients are male Caused by large variety of mutations in the Factor VIII (FVIII) gene leading to loss of functional FVIII protein Intracranial bleeding is of greatest concern as this can lead to major morbidity an

  16. Slide 16: Genome Editing Approach: MGX-001 for hemophilia A

    Genome Editing Approach MG nuclease creates efficient and specific cut at safe harbor locus in albumin gene Factor VIII donor DNA is inserted at cut site Strength of albumin promoter provides high level of FVIII expression even at low integration rates Mechanistically different from AAV gene therapy

  17. Slide 17: FVIII activity levels sustained for ~19 months in NHP

    FVIII activity levels sustained for ~19 months in NHP Hemophilia A MGX-001 Animal Integration at study termination 1 Mean FVIII levels (IU/ml) over specific time periods 3–6 months post LNP (d83-d182) 12-19 months post LNP (d356-d588) Mean +/- Stdev Mean Stdev Mean Stdev 1001 5.3 +/-0.49 0.748 0.055

  18. Slide 18: Summary of safety findings

    SUMMARY OF SAFETY FINDINGS Integration of the FVIII gene at the albumin locus had no impact on circulating albumin levels Transient elevation of liver function tests after the infusion of AAV and LNP with no significant change in total bilirubin Animal 1003 died on day 540 (17.8 mo) post LNP, assess

  19. Slide 19: Bioengineered FVIII yields significantly higher plasma FVIII activity

    Bioengineered FVIII yields significantly higher plasma FVIII activity despite similar integration frequency in NHPs No off-target editing identified to date with MGX-001 development candidate. Significantly higher plasma FVIII activity from the bioengineered FVIII despite similar integration frequen

  20. Slide 20: Addressing secreted protein diseases with large gene insertion

    Addressing secreted protein diseases with large gene insertion Secreted Protein Deficiencies mRNA splicing Tx Gene Tx Gene A Tx Gene B Tx Gene C Tx Gene A Tx Cargo Gene Leveraging the MGX-001 approach from the Hemophilia A program to accelerate timelines and reduce costs to IND AAV delivers Transgen

  21. Slide 21: Refractory Hypertension: rodent proof-of-concept achieved

    Prevalence: 900,000 adults with refractory hypertension in the US 2 95% protein knockdown in spontaneous hypertensive rats Dose dependent editing, mRNA and protein knockdown in primary human hepatocytes >85% editing, 90% mRNA and protein knockdown Refractory Hypertension Rodent proof-of-concept achi

  22. Slide 22: Technology Platform

    ofl" Metagenomi Technology Platform

  23. Slide 23: Highly efficient nucleases designed for any target in the human genome

    Pipeline comprised of disease targets with: Metagenomi Translation Engine Highly efficient nucleases designed for any target in the human genome 23 Editing efficiency in mammalian cells determined based on the frequency of InDels detected by next generation sequencing (“NGS”) at genomic sites target

  24. Slide 24: Generative AI informs optimization of efficient SMART nucleases

    Pipeline comprised of disease targets with: Metagenomi Translation Engine Generative AI trained on proteins from nature informs optimization of efficient SMART nucleases 24 SpCas9 1376 amino acids Characterize small CRISPR-associated nucleases (SMall ARginine-rich sysTems: “SMART”) Search our metage

  25. Slide 25: Base editing platform achieves efficient multiplex editing for cell engineering

    Base editing platform with broad targetability achieves efficient multiplex editing for cell engineering 25 Reprogrammed chassis increases genome targetability of Base Editors Multiplex base editing efficiency >90% simultaneously at 7 genomic targets Singleplex and multiplex edits show equivalent ba

  26. Slide 26: Programmable large genome integration for complex genetic diseases

    Next generation technology for programmable large genome integration to address complex genetic diseases 26 CAST (DNA-Mediated Integration Systems) DNA Template Transposase CAST (DNA-Mediated Integration Systems) DNA Template Transposase Junction between genomic target and donor template Target Null

  27. Slide 27: Technology innovations continue

    27 2021-2022 Discovered large gene integration systems (CAST and RIGS) Discovered compact systems (SMART) Developed base editing platform Proof-of-concept (PoC) for in vivo liver editing with nuclease 2023 2024 2025 and beyond Compact systems: in vitro PoC for neuromuscular target RIGS: in vitro PoC

  28. Slide 28: Corporate Highlights

    28 Corporate Highlights

  29. Slide 29: Recent milestones achieved and anticipated milestones

    Recent milestones achieved 2025 2026 Hemophilia A Program Complete ongoing NHP durability study Conduct Pre-IND and ex-US regulatory meetings IND / CTA filings Cardiometabolic Programs Other Therapeutic Programs / Technology Development MGX-001 Development Candidate (DC) Factor VIII activity sustain

  30. Slide 30: Metagenomi: Pipeline advancing, positioned for success

    Metagenomi: Pipeline advancing, positioned for success Well capitalized with cash runway into 2027 Harnessing the power of our metagenomics platform to create curative genetic medicines for patients Advancing cardiometabolic programs with Ionis Progressing additional wholly-owned therapeutic candida

  31. Slide 31: Thank you

    Thank you 31 Investor Contact: IR@metagenomi.co

Metagenomi — Investor Presentation (August 2025) on 6ix