Expres2ion Biotech Holding Ab · OMXSTO:EXPRS2

Expres2ion Biotech Holding Ab — Redeye Fight Cancer 2026

18 slides from Expres2ion Biotech Holding Ab's conference presentation, Jan 21, 2026

  1. Slide 1: The deadliest threat in women's health deserves a better defence

    Redeye Fight Cancer, 21 January 2026 Keith Alexander, ExpreS2ion Biotech CFO The deadliest threat in women’s health deserves a better defence STO: EXPRS2 Hosted by ExpreS2ion Biotech Holding AB Org. Nr. 559033 - 3729

  2. Slide 2: Breast Cancer: The #1 Killer in Women's Health

    Breast Cancer: The #1 Killer in Women’s Health Current drugs save lives but leave too many behind HER2 Expression • 2.3 million women diagnosed each year 1 – the most common cancer HER2 globally receptor HER2 receptors • 685,000 annual deaths 1 – the leading cause of cancer mortality in send signals

  3. Slide 3: Significant Market Opportunity

    Significant Market Opportunity ES2B - C001 is a First - in- Class breast cancer immunotherapy, targeting the entire extracellular domain of HER2 Patient distribution by region and cancer type 1 Global market: HER2 - expressing breast cancer therapies exceeded €17B globally in 2024 2 1,000,000 Proven

  4. Slide 4: ES2B-C001 – a First-in-Class BC Immunotherapy

    ES2B - C001 – a First - in- Class BC Immunotherapy Based on technology already having clinical PoC and Phase III validation (COVID - 19, >4,000 subjects) HER2 protein • VLP concept exists in approved vaccines ; (all 4 extra - cellular domains, i.e. HPV vaccine against cervical cancer and polyclonal

  5. Slide 5: Preclinical Proof-of-Concept: Robust Immune Response & Tumour Control

    Preclinical Proof - of- Concept: Robust Immune Response & Tumour Control • Broad immune response Vaccine induced polyclonal Tumour - free survival 3 antibodies vs. HER2 Vaccine induced • Tumour growth inhibition A further advantage of ES2B - C001 over monoclonal antibodies was the induction of a bro

  6. Slide 6: ES2B-C001 Phase I: Design, Progress, & Early Immunogenicity

    ES2B - C001 Phase I: Design, Progress, & Early Immunogenicity Trial design Active patients in dose escalation Anti - HER2 λ light chain geometric • Population: ≤27 advanced HER2 - mean titer over time Patient Dosage* Doses Received Study Stage positive or HER2 - low breast cancer 12,500 patients (po

  7. Slide 7: From First Signals to Pharma Deal

    From First Signals to Pharma Deal Goal: Out - license when Phase II delivers proof — or earlier if signals are strong 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 Phase I: First human data Phase II: Proof of concept in Breast Cancer Potential parallel Regist Phase II in Gastric Phase

  8. Slide 8: Big Pharma Bets Billions on HER2 Therapies

    Big Pharma Bets Billions on HER2 Therapies Multi- billion dollar M&A and licensing deals show strong demand for innovative HER2 treatments Key transactions Stage at Year Product - generic name Type Seller Acquirer Up - front ($M) Milestones ($M) Royalties Geography acquisition 2025 STX - 478 Small -

  9. Slide 9: Pipeline Overview

    Pipeline Overview Multiple shots on goal across cancer and infectious diseases, powered by our ExpreS2 platform, and AdaptVac’s VLP in some cases Target Pre - clinical DISEASE Project/Target ID Identification Pharmacology cGMP / Tox Phase I Phase II Phase III Collaboration Partner Platform 1 100% Br

  10. Slide 10: Extensive Clinical Development, Oncology & Licensing Experience

    Extensive Clinical Development, Oncology & Licensing Experience Executive Management Fully capable of Bent U. Frandsen, CEO 30 years life science management, business development and finance executing to MSc, Copenhagen Business School experience phase II POC Dr. Max Søgaard, CSO 25 years research e

  11. Slide 11: Upcoming Catalysts

    Upcoming Catalysts Multiple value - driving readouts over the next 12 - 18 months ES2B - C001 | Breast cancer immunotherapy Additional near - term catalysts Malaria Now Next Later • BIO - 002 phase Ia data (Q1) Q1/Q2 ‘26 Q3/Q4 ‘26 2027+ • VAC089, BIO - 001 & VAC086 phase Ia/Ib data (Q3) Phase Ia Pha

  12. Slide 12: Summary

    Summary • Large unmet medical need • Significant market & revenue potential • Differentiated therapeutic approach • Strong preclinical proof - of- concept • Encouraging Phase I data • Multiple shots on goal • Experienced team with successful outlicensing track record • Catalysts ahead from clinical

  13. Slide 13: Q&A

    Q&A NASDAQ FN: EXPRS2 Innovative vaccines for a healthier world investor@ expres2ionbio.com https://investor. expres2ionbio.com

  14. Slide 14: Disclaimer

    Disclaimer This presentation does not constitute or form part of any offer or invitation to purchase or subscribe for, or any offer to u nde rwrite or otherwise acquire, any shares or any other securities in ExpreS2ion Biotech Holding AB (the “Company”). Neither shall the presentation or any part of

  15. Slide 15: Summary – Pitch (to investors)

    Summary – Pitch (to investors) • We are building long - term enterprise value, not optimizing for one - • Grants allow us to create real options efficiently. year P&L optics. Grant - backed projects run close to breakeven on a direct basis, Our model prioritizes investments that compound across prog

  16. Slide 16: About ExpreS2ion

    About ExpreS2ion From early contract research organisation (CRO) to primary focus on own pipeline assets Founding & Strategy Pipeline Projects Grants & CRO Business ES2B - C001 (HER2 Breast Cancer) Grant Initiatives - Grants fund platform development and IP, and can result in license Clinical trial

  17. Slide 17: Pipeline overview

    Pipeline overview Multiple shots on goal across cancer and infectious diseases, powered by our ExpreS2 platform, often combined with AdaptVac’s VLP technology Target Pre - clinical DISEASE Project/Target ID Identification Pharmacology cGMP / Tox Phase I Phase II Phase III Collaboration Partner Platf

  18. Slide 18: Upcoming Catalysts

    Upcoming Catalysts Key target milestones in near future ES2B - C001 • Q1- Q4: Expanded safety and immunogenicity data + potential efficacy data • Q2/Q3: Completion of Phase Ia (dose escalation) Nipah • Q4: Completion of Phase Ib (expansion) • Q1: Initiation of CMC manufacturing • Beyond: Phase II tr

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