Xortx Therapeutics, Inc. · TSXV:XRTX

Xortx Therapeutics — Investor Presentation (June 2026)

20 slides from Xortx Therapeutics's investor presentation, June 2026

  1. Slide 1: Xanthine Oxidase Reducing Technology

    Xanthine Oxidase Reducing Technology Targeting Gout and Progressive Kidney Disease June 2026 :XRTX : ANUA

  2. Slide 2: Forward-Looking Statements

    Forward-Looking Statements Certain information included in this Presentation constitutes “forward-looking information” or “forward-looking statements” within the meaning of applicable securities laws (“forward-looking statements”). These statements relate to future events or future performance of XO

  3. Slide 3: Investment Highlights

    Investment Highlights SHORT XRx-026 for gout targeted for NDA submission by H2 2027 TIMELINE G O LIMITED Safe and effective in over 700 patients U RISK T LARGE >$0.7B peak sales opportunity created by a marketed allopurinol MARKET alternative receiving a Black Box Warning XRx-008 for ADPKD† to begin

  4. Slide 4: Gout Overview

    Gout Overview Common Symptoms of Gout Caused by a Build-Up of Uric Acid in tissues Causes Severe Pain and Discomfort - particularly joints, classic ‘big toe pain’ Pain in Multiple associated-disease conditions wrist Prevalence has doubled in the last 20 years Strange lumps Kidney around joints stone

  5. Slide 5: Gout - Estimated Addressable U.S. Market

    Gout - Estimated Addressable U.S. Market 47 Million People with elevated Uric Acid levels 7 Million Patients diagnosed with gout $0.5 – 1.0 Billion 280,000 Allopurinol-intolerant gout patients Targeted peak sales of XRx-026, XORTX’s gout drug $6-8,000 Projected annual drug price per patient Febuxost

  6. Slide 6: Market Opportunity: Febuxostat

    Market Opportunity: Febuxostat ‘GAP’ N/A* N/A* N/A* N/A* • 2008 - Febuxostat entered the US gout market targeting allopurinol intolerance (~3-5% of patients) • 2019 - Received a black box warning; prescriptions dropped • 2024 – Febuxostat sales were less than $30M 2025 - No drug currently fills this

  7. Slide 7: Oxypurinol Safety in Allopurinol Intolerant Patients

    Oxypurinol Safety in Allopurinol Intolerant Patients • Over 750 allopurinol-intolerant patients have been successfully treated with oxypurinol. • Oxypurinol has been proven safe and effective in typical gout and in allopurinol-intolerant gout patients. • Oxypurinol offers gout patients who don’t res

  8. Slide 8: Gout - Competitive Landscape

    Gout - Competitive Landscape DRUG STATUS XRx-026 (xanthine oxidase inhibitor) PRE-NDA READY XORTX Therapeutics Inc. Allopurinol (xanthine oxidase inhibitor) FDA APPROVED Generic FDA APPROVED Febuxostat (Black Box Warning (xanthine oxidase inhibitor) – acute cardiac Takeda, various generics death and

  9. Slide 9: Gout (XRx-026): Regulatory and Clinical Development Plan

    Gout (XRx-026): Regulatory and Clinical Development Plan 2026 2027 2028 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 IND Filing Marketing/ REGULATORY NDA Prep & Filing NDA Review(FDA) Revenue CLINICAL PK Study CM&C Validation and Commercial Batch PRODUCT Production SUPPLY Stability Targeting NDA filing in H2

  10. Slide 10: Proprietary Oxypurinol Formulation for Gout

    Proprietary Oxypurinol Formulation for Gout Formulation enables maximum drug Oxypurinol - the most uptake. Pipeline-in-a-product effective Uric Acid patented technology Lowering Agent available Proprietary and highly scalable CMC approach; Once daily oral dosing IP Formulated to Optimize Absorption

  11. Slide 11: Pipeline - ADPKD Overview

    Pipeline - ADPKD Overview Common Symptoms of ADPKD Causes liver cysts, pain and discomfort Leads to decreased kidney function and ultimately to end-stage kidney disease Associated with increased incidence of neurologic aneurisms, cardiovascular disease 160,000 patients in the US - Treatments are lim

  12. Slide 12: ADPKD - Estimated Addressable U.S. Market

    ADPKD - Estimated Addressable U.S. Market U.S. Population ~337,000,000 U.S. ADPKD Population Diagnosed ~160,000 % of ADPKD Population Stage 2, 3, 4 ~96,000 % of ADPKD with Cost of Dialysis/yr hyperuricemia ~$90,000 ~38% (~36,500) Estimate U.S. Cost of Tolvaptan/yr Peak Sales Future net sales revenue

  13. Slide 13: Renal Fibrosis Accelerates Decline of Kidney Function

    Renal Fibrosis Accelerates Decline of Kidney Function Chronic kidney disease (CKD) affects an estimated Renal Fibrosis 14% (1 in 7) of adults globally, ~ 35–37 million individuals in the United States. Rare kidney diseases such as autosomal dominant polycystic kidney disease (ADPKD) and lupus nephri

  14. Slide 14: Kidney Disease Multi-Billion Dollar Acquisitions

    Kidney Disease Multi-Billion Dollar Acquisitions March 31, 2026 - Biogen Acquired Apellis Key Themes Pharmaceuticals (Nephrology) Transaction Value: Approximately $5.6 Billion + CVR April 30, 2025 - Novartis Acquired Regulus • Kidney disease programs and their parent Therapeutics (ADPKD) companies a

  15. Slide 15: Milestones & Comparables

    Milestones & Comparables • IND submission: gout – H2 2026 • PK study results: Clinical PK Bridging & gout – H2 2026 • Completion of CM&C validation: gout – H2 2026 • Stability studies initiated: gout – H1 2027 • NDA submission: gout – H2 2027 15

  16. Slide 16: Team - Management

    Team - Management Allen W. Davidoff, Ph.D., Chief Executive Officer Dr. Davidoff has 20 years of drug development experience and is the founder and CEO of XORTX. Allen has a broad range of clinical and regulatory experience and senior management experience in pharmaceutical R&D. Previously, Allen wa

  17. Slide 17: Board of Directors

    Board of Directors Anthony Giovinazzo – Chairman 43 years of total work experience, is an internationally recognized expert in intellectual property, drug development and commercialization, including numerous licensing agreements, with more than 25 years’ experience in Central Nervous System disease

  18. Slide 18: XORTX Cap Table

    XORTX Cap Table Capitalization as of June 1, 2026 % of Fully # of Shares Diluted Common Shares Outstanding (Insiders): 27,215 0.5% Common Shares Outstanding (Other): 1,703,350 30.5% Total Common Shares Outstanding 1,730,565 31.0% Warrants Outstanding: 3,830,120 68.6% Options Outstanding: 24,854 0.4%

  19. Slide 19: Summary

    Summary SHORT XRx-026 for gout targeted for NDA submission by H2 2027 TIMELINE G O LIMITED Safe and effective in over 700 patients U RISK T LARGE >$0.7B peak sales opportunity created by a marketed allopurinol MARKET alternative receiving a Black Box Warning XRx-008 for ADPKD† to begin registration

  20. Slide 20: XORTX Therapeutics Inc. contact details

    XORTX Therapeutics Inc. 3710 33rd St NW Calgary, Alberta T2L 2M1 (403) 455-7727 info@xortx.com / www.xortx.com :XRTX : ANUA 20

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