Palvella Therapeutics, Inc. · NASDAQ:PVLA

Palvella Therapeutics — Investor Presentation (January 2025)

38 slides from Palvella Therapeutics's investor presentation, Jan 13, 2025

  1. Slide 1: Palvella Therapeutics

    palvella THERAPEUTICS

  2. Slide 2: Forward Looking Statements

    Forward Looking Statements 1965, Foror "could" "would" "shoul,” "expect" “intend,” “plan,” “objective,” “anticipete,” “belive,” “estimste,” “predict,” “potential,” “continue,” “ongoing.” ‘Company's ‘he abiityof the Company to cefenaitsintaloctual propery. TheCompeny Undertake no duty to update these

  3. Slide 3: Building the leading therapeutics company focused on rare genetic skin diseases

    Building the leading therapeutics company focused on mony (NASDAQ:PVLA) rare genetic skin diseases toeasat 2024

  4. Slide 4: What Sets Palvella Apart: Building The Leader in Rare Genetic Skin Diseases

    What Sets Palvella Apart: Building The Leader in Rare Genetic Skin Diseases Late-stage Rare Disease Pipeline and QTORIN™ Platform QTORIN™ rapamycin in two ongoing studies: Phase 3 (microcystic lymphatic malformations) and Phase 2 (cutaneous venous malformations), with additional QTORIN™ product cand

  5. Slide 5: Well-Capitalized Through Multiple Inflection Points with Funding

    Well-Capitalized Through Multiple Inflection Points with Funding from Syndicate of Leading Healthcare-Dedicated Investors Palvella closed reverse merger in December 2024 and debuted as publicly listed company (NASDAQ:PVLA) Funded with approximately $78.9 million of cash at close of reverse merger an

  6. Slide 6: Building On Milestones Achieved in Q4:2024

    Building On Milestones Achieved in Q4:2024 to Drive Sustained Momentum in 2025 and Beyond Notable Q4:24 Developments Potential 2025+ Catalysts Initiated dosing in Phase 3 SELVA trial in microcystic LMs and Phase 2 TOIVA trial in cutaneous VMs Complete enrollment in Phase 3 SELVA and Phase 2 TOIVA tr

  7. Slide 7: Our Lead Product Candidate

    OUR LEAD PRODUCT CANDIDATE q QTORIN™ 3.9% RAPAMYCIN ANHYDROUS GEL

  8. Slide 8: Our Breakthrough Innovation: QTORIN Platform

    Our Breakthrough Innovation: QTORIN™ Platform Reproducible platform for generation of novel topical product candidates for rare diseases... Targeted Anhydrous Formulations Manufacturing Applying established QTORIN ‘manufacturing to additional novel product candidates High payload capacity optimizes

  9. Slide 9: Broad Potential for mTOR Inhibition in Rare Skin Diseases

    Broad Potential for MTOR Inhibition in Rare Skin Diseases mTOR is a key driver for genetic skin diseases Refractory Vascular Tumors? Microcystic LMs* indoations Capittary Malformations! Cutaneous Sarcoidosis! Venous Malformations? 2010, 2 Sant a, line 2029). 2,rerbereret ast Demat 201) 4 Mars a} 201

  10. Slide 10: Systemic Rapamycin Limitations Restrict Use in Genetic Skin Diseases

    Systemic Rapamycin Limitations Restrict Use in Genetic Skin Diseases Strong immunosuppressive activity poses significant risks to patients with localized cutaneous disease’ Systemic Rapamycin Systemic toxicities including stomatitis, hypertriglyceridemia, hypercholesterolemia, GI distress, periphera

  11. Slide 11: QTORIN 3.9% Rapamycin Anhydrous Gel

    QTORIN™ 3.9% Rapamycin Anhydrous Gel RAPAMYCIN, Direct mechanistic é engagement of causal RS mTOR pathway Torin 1000x higher rapamycin Ee “ roan levels at site of disease ‘ase! vs. systemic rapamycin? =< TOPICAL Limited-to-undetectable systemic absorption? Granted U.S. patents through at least 2038

  12. Slide 12: QTORIN 3.9% Rapamycin: Microcystic Lymphatic Malformations

    QTORIN™ 3.9% RAPAMYCIN ° Microcystic Lymphatic Malformations

  13. Slide 13: Microcystic Lymphatic Malformations: Serious, Debilitating, and Lifelong

    Microcystic Lymphatic Malformations: Serious, Debilitating, and Lifelong Early onset: Present at birth and significant impact to adolescents Genetics & Lymphorrhea: Persistent discharge Pathophysiology: of lymphatic fluid through skin layers Deep infections: Cellulitis and other serious infections P

  14. Slide 14: No Spontaneous Regression Well-Established in Microcystic LMs

    No Spontaneous Regression Well-Established in Microcystic LMs A 34-year, 28-subject study confirmed no spontaneous regression ‘Types Microcystic Subtotal 28 Sex (F:M) 144 Age (y), mean + SD 0.8914 Maximum diameter (em), mean + SD — Spontaneous regression Positive 0 Negative 28 * consistent with well

  15. Slide 15: QTORIN Rapamycin: On Target, In Tissue

    QTORIN™ Rapamycin: On Target, In Tissue Target: mTOR Tissue: Dermis + Monogenic somatic mutations leads + QTORIN™ delivers pharmacologically to overactivated PI3K/mTOR signaling active levels of rapamycin transepidermally to diseased tissue roninns, palvella

  16. Slide 16: Real World Evidence and OUS Treatment Guidelines

    Real World Evidence and OUS Treatment Guidelines Tasislagsa neous oy ‘Sli inthe rt npg M0; Ane. Mr? “micro LMs represent therapeutically challenging congenital vascular lesions. There is no universally accepted gold standard of care and there are no FDA ‘approved therapies...this review examines cli

  17. Slide 17: QTORIN Rapamycin: Phase 2 Study in Microcystic LMs

    QTORIN™ Rapamycin: Phase 2 Study in Microcystic LMs n=12; QD dose 3 > 3 James Treat, M.D. Joyce Teng, M.D., Ph.D. ‘Steve Kempers, M.D. Milton ‘Waner, M.D. Alison Small, M.D. ildren's Hospital an Shir ‘School of Chtgrens Hospital i) Stanford kin, Care ‘6¥ MEDICINE Baseline (4week Study Objectives: Sa

  18. Slide 18: Phase 2: Clinically Meaningful, Statistically Significant Improvements

    Phase 2: Clinically Meaningful, Statistically Significant Improvements ory Much Improved Much Improved Minimal Improvernent No Change Minimally ‘Worse Much Worse Very Much ‘Were a Hi H H 4 H CGI-C, +2.42 (p<0.0001) Week 4 Week Weak12 Week4 Weak ® Week 12 Clinician Globat Impression of Change + =pval

  19. Slide 19: Phase 2 Results: Visible Improvement

    Phase 2 Results: Visible Improvement Week 12 ne FDA orbyany other regulatory agency. palvella

  20. Slide 20: Phase 2 Results: Visible Improvement

    Phase 2 Results: Visible Improvement Baseline Week 12 palvella

  21. Slide 21: Microcystic Lymphatic Malformation: Phase 2 Safety

    Microcystic Lymphatic Malformation: Phase 2 All Treatment-Related Adverse Events Low blood levels of rapamycin detected in some patients: 120.98 pg/mL (mean) Application site pain 3 (25) Application site pruritus 3 (25) Application site discharge 1(8.3) Application site paraesthesia 1 (8.3) Nodule 1

  22. Slide 22: Phase 2 Study Results Published in Journal of Vascular Anomalies (JoVA)

    Phase 2 Study Results Published in Journal of Vascular Anomalies (JoVA) Journal of VaScular Anomalies imphatie ‘malformations, bres tt Mate Jo Conor lo Sa, ar, Mtn ne Je Teg “Efficacy from this phase 2 study showed a robust clinical response as measured from both the clinicians’ and patients’ perspe

  23. Slide 23: SELVA Phase 3 Study: Single-Arm, Baseline-Controlled

    SELVA Phase 3 Study: Single-Arm, Baseline-Controlled n=40; QD dose Efficacy Evaluation Period ‘Treatment Extension 2aweeks 24+ weeks we Day 1 Basetine Photo 2 Primary Eticacy Photo Ezititeriew with with poricipant participant Primary Efficacy * mLM-IGA, a 7-point clinician change scale aoun ia a Dat

  24. Slide 24: Phase 3 Pivotal Study Design Mimics Phase 2 Study

    Phase 3 Pivotal Study Design Mimics Phase 2 Study Phase 3 trial design based on statistical significance with n=12 in Phase 2 sise 12 n=40 (for NDA safety database) Kecetnme CGI-C, a7-point clinician mLM-IGA, @ 7-point clinician eet ene change scale (p<0.0001)' change scale (primary)? ‘Study duratio

  25. Slide 25: FDA Orphan Products Grant Recipient: Announced November 2024

    FDA Orphan Products Grant Recipient: Announced November 2024 Based on scientific and technical merit as determined by rare disease and regulatory experts Out of 51 grant applications received by the FDA Orphan Products Grants Program in fiscal year 2024, Palvella’s clinical trial was one of seven ne

  26. Slide 26: Regulatory Overview: NDA Submission Planned for 2026

    Regulatory Overview: NDA Submission Planned for 2026! Phase 3 study in Seeking full FDA approval 505(b)(2) pathway microcystic LMs ongoing; based on clinical endpoints leveraging prior FDA data expected in Q1 2026 utilized in prospective Phase approvals of 2and Phase 3 studies rapamycin Rolling NDA

  27. Slide 27: Market Research (May 2024): Strong Uptake in U.S. Anticipated

    Market Research (May 2024): Strong Uptake in U.S. Anticipated Percent of my microcystic LM Would you incorporate patients | would Product X into your clinical prescribe Product X: practice? Would you consider this as a first-line therapy 7 5 % for these patients? Do you see advantages of topical adm

  28. Slide 28: Favorable Market Dynamics Enable Potential for Self-Commercialization

    Favorable Market Dynamics Enable Potential for Self-Commercialization 1 2 3 Relatively small number of US Well-defined disease with clear First and only market postion vascular anomaly centers diagnostic paramet ina serious disease with (n=142), mostly within including alignment from the FDA-approve

  29. Slide 29: QTORIN Rapamycin: >$1bn Sales Potential in Five Years

    QTORIN™ Rapamycin: >$1bn Sales Potential in Five Years! + Claims data analysis confirms significant commercial opportunity in both diseases Orphan pricing anti id isease launches and recent topical orphan launches both support orphan pricing

  30. Slide 30: QTORIN 3.9% Rapamycin: Cutaneous Venous Malformations

    QTORIN™ 3.9% RAPAMYCIN FOR . Cutaneous Venous Malformations

  31. Slide 31: Cutaneous Venous Malformations: Serious, High Unmet Need

    ; > 75k patients Cutaneous Venous Malformations: ESTIMATED DIAGNOSED INTHE Serious, High Unmet Need Dysregulated growth of malformed veins impacting the skin Genetics & Hemorrhaging Pathophysiology: TIE2 or PIK3CA over- activating mutations; \ y eee iia Functional impairment Leads to physical & func

  32. Slide 32: Substantial Body of Research Supporting Rapamycin's Potential in VM

    Substantial Body of Research Supporting Rapamycin’s Potential in VM Led to FDA Fast Track Designation for QTORIN™ Rapamycin - Summary Takeaways CFS sewn setoct emer Ua REA ARSE C+) High potential of rapamycin Rapamycin and the treatment of venous malformations ‘Serort, Emmanuel; Van Damme, An °*; Bo

  33. Slide 33: Cutaneous Venous Malformations Phase 2 Study

    Cutaneous Venous Malformations Phase 2 Study n=~15; QD dose VE; Photo 1 Baseline Efficacy Evaluation Period oe Eatenterview with with patipant artcipant Safety + Safety and tolerability Efficacy Data anticipated clinician change scale) Q4 2025 Guaneous eros matoratonmuttomponent ati sale 1 and patie

  34. Slide 34: cVM Market Research (Sept 2024): Potential to be First Line Therapy

    cVM Market Research (Sept 2024): Potential to be First Line Therapy Product X: Topical 3.9% rapamycin gel Yes 9 Percent of my cutaneous VM patients Would you consider Product | would prescribe | mTOR and “Patients deserve Product X: this novel treatment” Would you consider this as a g fe) first-line

  35. Slide 35: QTORIN Platform has Broad Potential Across Rare Dermatological Diseases

    QTORIN™ Platform has Broad Potential Across Rare Dermatological Diseases QTORIN™ Rapamycin + Microcystic Lymphatic Malformations + Venous Malformations + Additional mTOR-driven indications OTORIN™> PLATFORM Additional QTORIN™-enabled products + Multiple rare genodermatoses and y molecules under eval

  36. Slide 36: What Sets Palvella Apart: Building The Leader in Rare Genetic Skin Diseases

    What Sets Palvella Apart: Building The Leader in Rare Genetic Skin Diseases Late-stage Rare Disease Pipeline and QTORIN™ Platform QTORIN™ rapamycin in two ongoing studies: Phase 3 (microcystic lymphatic malformations) and Phase 2 (cutaneous venous malformations), with additional QTORIN™ product cand

  37. Slide 37: Thank You

    ~~. Thank You for rare disease patients palvella

  38. Slide 38: Palvella Senior Leadership Team

    Palvella Senior Leadership Team 269 Matinew Kornberg Jetta, Ph Kathy Goin

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