Tenax Therapeutics, Inc. · NASDAQ:TENX

Tenax Therapeutics — Investor Presentation (August 2024)

45 slides from Tenax Therapeutics's investor presentation, Aug 6, 2024

  1. Slide 1: Corporate Presentation August 2024

  2. Slide 2: Safe Harbor Statement

    Safe Harbor Statement Disclaimers + Except for historical information, all the statements, expectations and assumptions contained in this presentation are forward-looking statements. These forward-looking statements may include information concerning possible or projected future business operations.

  3. Slide 3: The Tenax Mission

    The Tenax Mission Our mission is to transform the lives of patients with cardiovascular and pulmonary diseases by developing innovative therapies that address high unmet medical need. We are dedicated to advancing science and improving patient outcomes through cutting- edge research.

  4. Slide 4: Execution Led by a Highly Experienced Team

    Execution Led by a Highly Experienced Team Management Team Chris Giordano - President & CEO, Board Director Previous President of IQVIA Biotech 25+ years of clinical trial expertise Stuart Rich, MD - CMO, Board Director Globally recognized expert in Pulmonary Hypertension 40+ Years clinical experien

  5. Slide 5: Executive Summary: Oral Levosimedan

    Executive Summary: Oral Levosimedan 1. Mechanismof Action Small molecule NCE with a unique dual mechanism of action, enhancing cardiac contractility through calcium sensitization of troponin C, while simultaneously exerting strong vasodilatory effects on venous beds via K+ATP channel activation 2. C

  6. Slide 6: PH-HFpEF Pathophysiology & Levosimendan MoA

    PH-HFpEF Pathophysiology & Levosimendan MoA

  7. Slide 7: PH-HFpEF Recently Highlighted as a Large Unmet Medical Need

    PH-HFpEF Recently Highlighted as a Large Unmet Medical Need by all Major Global Cardiovascular Medical Associations: AHA, ACC, ESC 6= ust te Ci ipctns t foe ceca “Heart failure (HF) with preserved ejection fraction (HFpEF) is one of heaters > the leading causes of pulmonary hypertension (PH) in the

  8. Slide 8: PH-HFpEF: Three fundamental abnormalities

    (PH-HFpEF) Three fundamental abnormalities 1. The left ventricle has reduced compliance (i.e. “stiffness”) which limits its ability to fill with blood normally 2. Chronic sympathetic nervous system (SNS) activation results in excessive venous return (stressed blood volume) which produces elevated fi

  9. Slide 9: Critical Targets for Treatments

    the Critical Targets for Treatments Therapeutic Targets Left Ventricle Stiffness Volume Overload Excessive venous return from chronic SNS activation as a maladaptive Tesponse Multifactorial in nature, difficultto measure, increases with aging > <a, a This pathophysiology predicts that pu ary vasodil

  10. Slide 10: Pathophysiology

    Pathophysiology This patient has excessive blood in her veins: lowering elevated venous pressure is the objective TENAX

  11. Slide 11: Reviving the Fundamental Role of the Splanchnic Circulation

    IFDEF Pathophysiology Reviving the Fundamental Role of the Splanchnic Circulation 35% of circulating blood is in the systemic arteries 35% of circulating blood is in the systemic veins 30% of circulating blood is in the splanchnic vascular reservoir SS

  12. Slide 12: Overview: Pathophysiology of PH with HFpEF

    Overview: Pathophysiology of PH with HFpEF The Venous Circulation Has Now Been Discovered to Be the Source of the Problem PH-HFpEF has recently been described to followthis course: ( EXCESSIVE VENOUS RETURNIVOLUME ) Oral Levosimendan'sMOA INCREASED CENTRAL VENOUS PRESSURE addresses the underlying pa

  13. Slide 13: Levosimendan is a Potent Venodilator

    Levosimendan is a Potent Venodilator Effects on Isolated Human Portal Vein Strong vasodilatory action on the pulmonary vasculature via K+ATP channel activation * Downregulation of potassium channels is a hallmark of pulmonary hypertension Strong vasodilatory action on the splanchnic vasculature * Ke

  14. Slide 14: TNX-103: Oral Levosimendan Mechanism of Action is Unique

    TNX-103: Oral Levosimendan Mechanism of Action in PH-HFpEF is Unique Oral levosimendanis the only drug that is a K+ATP channelactivator and calcium sensitizer) Strong vasodilatory effects on venous beds”) and causes a marked reduction in CVP and PCWP Backed by recent clinical science that reducing e

  15. Slide 15: Phase 2 HELP Results

    Phase 2 HELP Results

  16. Slide 16: Proof of Concept: The HELP Study

    Proof of Concept: The HELP Study IV levosimendan Phase 2 trial design Open label lead-in phase to evaluate the effects of lV levosimendan on as : P fl hemodynamics at rest and exercise after 24 hours & \ Patients with an initial fesponse were enrolled into randomized, double 8 \ blinded treatment wi

  17. Slide 17: Overview of PH-HFpEF Hemodynamics

    Overview of PH-HF pEF Hemodynamics Exercise Hemodynamics Confirm the Diagnosis 1g impairm PCWP (mmHg) T r Baseline FeetUp 1min Peak 1min Exercise Exercise Recovery + p<0.0001 for APCWP (vs NCD) t p<0.0001 vs base (within group) + p<0.01 vs base (within group) “NCD -®HFpEF is been able to preve creas

  18. Slide 18: IV Levosimendan Improves CVP and PCWP at Rest and with Exercise

    IV Levosimendan Improves CVP and PCWP at Rest and with Exercise in PH-HFpEF Patients: Pronounced Changes CVP Improvement PCWP Improvement Levosimendan Group 50 Levosimendan Group 50. |-e— Baseline |-*- Baseline ry |-*- 24 Hr Levo Infusion oo. |-*- 24 Hr Levo Infusion 3 3 o = = E £30 £ 30: E = iy 20

  19. Slide 19: Significant PCWP Improvement Versus Placebo

    Significant PCWP Improvement Versus Placebo IV Levosimendan effect on PCWP across 3 positions: significantimprovement Placebo Levosimendan a Baseline 5 Baseline —e-6 Weeks —=-6 Weeks ~40 40 io} io} ed = £30: E30: E E 220 220 s 3 (s) (s) O19 p=0,6615+ O19 p=0,0017+ Legs 25 Legs 25 Rest “Up Watts Rest

  20. Slide 20: HELP Study: Six-Minute Walk Distance

    HELP Study: Six-Minute Walk Distance IV Levosimendan Improves Exercise Capacity in PH-HFpEF Patients after 6 Weeks 29-meter improvement in 6-minute walk distance » p=0.033 Dr Barry Borlaug, Mayo Clinic: a “this is the first medicine that has actually improved 10. 6-minute walk distance in any patien

  21. Slide 21: Heart Failure With Preserved Ejection Fraction: JACC Scientific Statement

    Heart Failure With Preserved Ejection Fraction: JACC Scientific Statement The Phase 2 HELP Trial includes the entire spectrum of patients with PH-HFpEF ‘CENTRAL ILLUSTRATION Temporal Disease Progression in Heart Folure With Preserved ection Fraction LY, LA, or Right Heart Mechanics rug Bea J Am Cl C

  22. Slide 22: Rationale for Oral Levosimendan Dose Selection & HELP OLE

    Rationale for Oral Levosimendan Dose Selection & HELP OLE

  23. Slide 23: Levosimendan and its Active Metabolite: Non-Protein Bound Plasma Concentrations

    Levosimendan and its Active Metabolite: Non-Protein Bound Plasma Concentrations A 24-hour IV infusion: 0.2 g/kg/min (vs. 0.1 yg/kg/min used in HELP) Free plasma concentration (nM) ON STIS 8.007 7.004 6.004 5.00 4 4.007 3.004 2.007 1.004 0 fe Levosimendan —O— 07-1896 24° 48 «72 «96 «120 144 168 192 2

  24. Slide 24: Rationale for Oral Levosimendan Dose Regimen in PH-HFpEF Patients

    Rationale for Oral Levosimendan Dose Regimen in PH-HFpEF Patients Objective: Select optimal oral daily dose that would achieve steady state of OR1896 levels Strategies: Identify the oral daily dose that provides similar systemic exposure to the weekly IV infusion, and provides higher steady state co

  25. Slide 25: Specific Features: IV to Oral Transition Substudy

    Specific Features: IV to Oral Transition Substudy Goals: » Determine safety and tolerability of the transition of patients receiving weekly infusions of levosimendan to an oral dose » Determine the dose of oral levosimendan that maintains the efficacy in patients receiving weekly infusions » Determi

  26. Slide 26: Patients in HELP OLE Transitioned From IV to Oral Levosimendan

    Patients in the Open Label Extension Stage of HELP Were Transitioned From IV to Oral Levosimendan Previous IV Week 0 Week 2 Week 4 Week 6 Infusion (Office) (Home) (Home) (Office) 1mg QD 1mg BID 14mg TID Patient ({mg total daily (2mg total (3mg total 0.10 : ; evaluated for ug'kgimin dose) daily dose)

  27. Slide 27: Clinical Data: Transition from IV to Oral Levosimendan

    Clinical Dat Phase 2 HELP Transition from Chronic Intravenous to Oral Levosimendan Is Safe and Effective in tients with Pulmonary Hypertension with Heart Failure and Preserved Ejection Fraction i, Thenappan?, B. Borlaug?, D Burkhoff?, J Rich*, S. Shah*, R. Zolty*, and S. Rich* rsity of Minnesota, Mi

  28. Slide 28: Ongoing Pivotal Phase 3 LEVEL Trial

    Ongoing Pivotal Phase 3 LEVEL Trial

  29. Slide 29: LEVEL Trial and FDA Phase 3 Clinical Program

    LEVEL Trial and FDA Phase 3 Clinical Program Highly supportive guidance from FDA following submission of Tenax’s PH-HF pEF White Paper + Twotrials, AGMWD primary endpoint, ps0.05 « First Trial: 12-weeks acceptable + Second Trial: 24-weeks to show durability and extended safety + Tenax has the option

  30. Slide 30: LEVEL: Phase 3 PH-HFpEF Study

    i oom > a PH-HFpEF study LEVosimendan to Improve Exercise Limitation in Patients With PH-HFpEF A Phase 3, Double-Blind, Randomized, Placebo-Controlled Study of Levosimendan in Pulmonary Hypertension Patients With Heart Failure With Preserved Left Ventricular Ejection Fraction (PH-HFpEF) OM

  31. Slide 31: Tenax's PH-HFpEF Scientific Advisors

    Tenax’s PH-HFpEF Scientific Advisors Recognized World Experts in Pulmonary Hypertension and Heart Failure Sanjiv Shah, MD Professor of Medicine, Northwestern University Feinberg School of Medicine Director, Northwestern HFpEF Program, Bluhm Cardiovascular Institute N Northwestern Medicine’ Daniel Bu

  32. Slide 32: LEVEL Study Design

    LEVEL Study Design mendan 21 Ne152 Open-label Randomize {mg oral capsule BID, titrated to 1mg TID extension to 2 years Placebo Placebo (Weeks 0-4) (Weeks 5-12) Primary Endpoint: change in 6MWD >90% power to detect a 25-meter change (SD=45 meters) at alpha 0.05

  33. Slide 33: LEVEL Trial Objectives

    LEVEL Trial Objectives By the Numbers Double Blind Phase + 152 randomized patients + Randomizedat a 1:1 ratio: 2mg/day (1 mg BID) Weeks + ~50 investigator sites, U.S. & Canada 1-4; 3mg/day (1 mg TID) Weeks 5-12 «Site initiation & enrollment: competitive + 6 MWT (Day 1, Week 4, 8, 12) and any unsched

  34. Slide 34: LEVEL Trial: Current Timelines

    ‘Ongoing Pivot 3 LEVEL Trial LEVEL Trial: Current Timelines The LEVEL Study Phase 3 PH-HFpEF oral levosimendan Site Initiation Starts . First Patient Enrolled .) Last Patient Enrolled Topline LEVEL Data

  35. Slide 35: PH-HFpEF Market Opportunity & Intellectual Property

    PH-HFpEF Market Opportunity & Intellectual Property

  36. Slide 36: PH-HFpEF Market is Large and Growing

    PH-HFpEF Market is Large and Growing PH-HFpEF Prevalence in the U.S. (2030) 8.2M Heart Failure Patients?) ‘54% of Heart Failure Patients have EF 240% 24) 4.4M HFpEF Patients 50% of HFpEF Patients with PH*”) 2,2M PH-HFpEF Patients x 2.1% = 2.7 Million 2030 - 2040 PHHFpEF CAGR?) Patients in 2040 35% A

  37. Slide 37: PH-HFpEF Development Competitive Landscape

    PH-HFpEF Development Competitive Landscape Company Product Indication Phase 1 Phase 2 Phase 3 Tenax Levosimendan PH-HFpEF » > =D mena Merck Sotatercept Cpc-PH-HFpEF > > ona AstraZeneca AZD3427 PH-HEpEF Tectonic TX-45 PH-HFpEF Ongoing

  38. Slide 38: Global IP Strategy to Protect Rights to Levosimendan Use in PH-HFpEF

    Global IP Strategy to Protect Rights to Levosimendan Use in PH-HFpEF United States: + US 11,213,524, issued January 4, 2022, expires November 14, 2039 (SC Formulation/Use) US 11,607,412, issued March 21, 2023, expires December 15, 2040 (IV Use) US 11,701,355, issued July 18, 2023, expires December 1

  39. Slide 39: Tenax Investment Summary

    Tenax Investment Summary 1. Mechanism of Action Small molecule NCE with a unique dual mechanism of action, enhancing cardiac contractility through calcium sensitization of troponin C, while simultaneously exerting strong vasodilatory effects on venous beds via K+ATP channel activation 2. Compelling

  40. Slide 40: TNX-201: Modified-Release Oral Imatinib (PAH: WHO Group 1)

    TNX-201: Modified- Release Oral Imatinib (PAH: WHO Group 1)

  41. Slide 41: Imatinib Targets the Pathophysiology of PAH

    Imatinib Targets the Pathophysiology of PAH Endothelial disruption PASMC proliferation and migration imatinib blocks and reverses

  42. Slide 42: Proof of Concept IMPRES Study

    Proof of Concept IMPRES Study Imatinib is Proven Effective in Treating PAH Phase 3 Clinical Trial: Imatinib Mesylate as Add-On Therapy for Pulmonary Arterial Hypertension: Results of the Randomized IMPRES Study Results: After 24 weeks, the mean placebo-corrected treatment effect on 6-minute walk dis

  43. Slide 43: Key Learnings from IMPRES Study Informed Phase 2 IMPROVE

    Key Learnings from IMPRES Study Informed Phase 3 IMPROVE IMPROVE Efficacy was established in PAH PAH V 02 Adequate dose is critical (400mg) to achieve clinical efficacy 03 Avoid excessive dropouts, mostly related to early-onset side effects Gastrointestinal side effects are most the common, novel fo

  44. Slide 44: Appendix

    Appendix

  45. Slide 45: Abbreviations and Acronyms

    Abbreviations and Acronyms 6MWD 6MWT cvp HF HFDEF K-ATP KCCQ KCCQ-TSS PAH PCWP PH PH-HFDEF PVR WHO result of the 6MWT, a measurement in meters 6-minute walk test, an assessment of exercise tolerance, specifically the distance one can walk in 6 min. Central Venous Pressure Heart Failure Heart Failure

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