Silence Therapeutics PLC · NASDAQ:SLN

Silence Therapeutics — H1 2018 Earnings Presentation

13 slides from Silence Therapeutics's earnings presentation, September 2018

  1. Slide 1: Silence Therapeutics Plc June 2018 Interim Results

    Silence Therapeutics Plc June 2018 Interim Results Dr David Horn Solomon, CEO David Ellam, CFO A new era in RNAi therapeutics © Silence Therapeutics 2018 1

  2. Slide 2: Silence: Operational Highlights

    Silence: Operational Highlights • New leadership in place with the recruitment of Dr David Horn Solomon as Chief Executive Officer, an experienced public company biotech CEO, board member and biotech investor. • The field is advancing: Gene-silencing as a therapeutic modality was granted its first d

  3. Slide 3: Driving the Business Forward

    Driving the Business Forward • Primary emphasis is on advancing our proprietary pipeline of valuable RNAi-derived assets to build significant shareholder value and to create innovative products for patients and their caregivers. • Building expertise around Hematology and Iron Metabolism Disorders. •

  4. Slide 4: Evolution of our GalNAc-siRNA platform

    Evolution of our GalNAc-siRNA platform • Patents filed • Patents filed • Clinical stage in 2019 (SLN124) and used • Further optimisation ongoing in late pre-clinical stage programmes • Plans to enter the pipeline in early 2019 (SLN226, CVD) • Advantages: improved potency, COG and • Robust performanc

  5. Slide 5: Market opportunity for SLN124 (US and Europe only)

    Market opportunity for SLN124 (US and Europe only) • β-Thalassemia intermedia & T. major (TDT) ‒ Combination with transfusions & chelators to reduce frequency & dose ‒ Improve erythropoiesis and reduce 40,000 20,000 secondary iron overload burden TDT NTDT • β-Thalassemia intermedia (NTDT) ‒ Monother

  6. Slide 6: SLN124 mechanism of action: increasing Hepcidin by silencing its repressor TMPRSS6

    SLN124 mechanism of action: increasing Hepcidin by silencing its repressor TMPRSS6 HJV BMPR Macrophages • TMPRSS6 (Transmembrane BMP Protease, Serine 6) is a negative regulator of the Ferroportin BMP/SMAD signaling TMPRSS6 P Fe pathway Iron recycling • Inhibition of TMPRSS6 in P SMAD hepatocytes ind

  7. Slide 7: Therapeutic activity of SLN124 in a disease model of Hereditary Hemochromatosis type 1

    Therapeutic activity of SLN124 in a disease model of Hereditary Hemochromatosis type 1 (iron overload) Study design Collaboration with d1 wk 3 Hfe-/- mice Prof. Dr. Martina Muckenthaler 1X sc, HFE-/- mice, females, 6 wks, n=6-7 Heidelberg University, Germany TMPRSS6 mRNA Hepcidin (Serum) Kidney Iron

  8. Slide 8: SLN124 improves RBC maturation, anaemia and normalises spleen size in β-Thalassaemia model

    SLN124 improves RBC maturation, anaemia and normalises spleen size in a murine model of β−Thalassaemia intermedia Collaboration with Dr. J. Vadolas & Dr. G. Grigoriadis. Monash Medical Centre/Melbourne, Australia Hbbth3/+ mice Study design d1 wk 2 wk 5 sc,Hbbth3/+ & wt mice, n=5-8 SLN124 treatment s

  9. Slide 9: SLN124 Summary

    SLN124 Summary • Preclinical package: Robust data generated in several disease models • Status: Non-clinical development work ongoing, with CTA filing expected in Q2 2019 • Clinical plans: Phase 1b planned in patients (β−Thalassaemia and MDS). Network of KOL’s established • Dosing regime: Patient-fr

  10. Slide 10: H1 Financial Report 2018

    Silence Therapeutics Plc David Ellam, CFO H1 Financial Report 2018 © Silence Therapeutics 2018 10

  11. Slide 11: Increase in Operating Expenses to drive platform and indications

    Increase in Operating Expenses to drive platform and indications 2018 2017 2017 Income statement (GBP '000) H1 H1 Full year Revenue 0 16 16 Research and development costs ¹ (5,212) (3,817) (7,943) General & Administration expenses² (4,681) (3,021) (6,464) Operating loss (9,893) (6,822) (14,391) Othe

  12. Slide 12: Silence has >12 months cash to continue to advance the business

    Silence has >12 months cash to continue to advance the business Cash, cash equivalents & R&D and G&A Expenses @ 30 term deposits of £34.3M at June each year 30 June 2018 ($45.1M) Cash @30 June each year £M 60 R&D and G&A Expenses £M 50 12.0 10.0 40 8.0 30 6.0 20 4.0 10 2.0 0.0 0 2014 2015 2016 2017

  13. Slide 13: Expected newsflow outlook & milestones next 15 months

    Expected newsflow outlook & milestones next 15 months Q4 2018 H1 2019 H2 2019 SLN124 CTA enabling toxicology  File CTA  First In Human dosing  CV disease pPoC in NHP  2018 new Targets POM data available  pPOC in mice   Final candidate nomination  Alcohol Use Disorder CTA enabling toxicology

Silence Therapeutics — H1 2018 Earnings Presentation on 6ix