Palatin Technologies, Inc. · AMEX:PTN

Palatin Technologies — Investor Presentation (August 2025)

60 slides from Palatin Technologies's investor presentation, August 2025

  1. Slide 1: Palatin Technologies Corporate Presentation

    Palatin Technologies, Inc. OTCQB: PTNTD CORPORATE PRESENTATION August 2025 Carl Spana, Ph.D. Stephen T. Wills, CPA/MST President & CEO CFO / COO

  2. Slide 2: Forward Looking Statements

    Forward Looking Statements The statements in this presentation that relate to future plans, events or performance are forward-looking statements, which are made pursuant to the safe harbor provisions of Section 27A of the Securities Act of 1933, as amended. Such forward-looking statements involve si

  3. Slide 3: Company Profile

    Company Profile Technology platform – validated drug development based on the melanocortin system Therapeutics for Obesity, Inflammatory & Autoimmune Diseases Demonstrated expertise moving programs from discovery to FDA approval Expertise in the biology and chemistry of melanocortin system (MCS) 1st

  4. Slide 4: Palatin Leadership

    Palatin Leadership Strong team, with broad and extensive biopharma experience Stephen T. Wills, CPA/MST Carl Spana, PhD Chief Financial Officer and President and Chief Executive Officer Chief Operating Officer Co-founder with 25-plus years in drug 25-plus years in finance, operations, research, deve

  5. Slide 5: Development Programs Overview

    Development Programs Overview Pipeline Development Programs Preclinical Phase 1 Phase 2 Phase 3 NDA Status/Next Steps Obesity Bremelanotide Phase 2 MC4R agonist + GLP-1 in obese patients initiated Obesity - GLP-1 adjunct therapy Positive topline data reported 1Q25 IND enabling – CMC activities 1Q25

  6. Slide 6: Melanocortin-4 Receptor Obesity Management

    Melanocortin-4 Receptor Obesity Management • Co-administration of Bremelanotide & Tirzepatide (GLP-1/GIP) o Bremelanotide (BMT) MC4R Agonist ✓ FDA Approved (Vyleesi® for Female HSDD) • Novel “Next Generation” MC4R Selective Agonists o MC4R Selective Peptides Once Weekly Dosing o Oral MC4R Selective

  7. Slide 7: Melanocortin-4 Receptor Obesity Management: Treatment Landscape

    Melanocortin-4 Receptor Obesity Management Emerging obesity treatment landscape U.S. market value – metabolic/obesity over $5 billion (2023) growing to $44 Billion (2030) Two treatment objectives will define the market • Safe, tolerable weight loss for all patients • Central Leptin-Melanocortin path

  8. Slide 8: Review of Weight Loss Maintenance

    Melanocortin-4 Receptor Obesity Management Review of weight loss maintenance Realizing the long-term benefits of obesity treatment Excess body weight and fat is associated with Including cardiovascular disease, diabetes, fatty liver disease, negative health conditions musculoskeletal disorders and s

  9. Slide 9: The Melanocortin Receptor System: Obesity and Energy Management

    C o n Melanocortin-4 Receptor Obesity Management f The melanocortin receptor system: obesity and energy management i d e n t i a l Central leptin-melanocortin pathway is a critical pathway that regulates feeding and body weight to maintain energy homoeostasis 9 Sweeney, P et.al. Nature Reviews Endoc

  10. Slide 10: Value of Palatin's MC4R Agonist Portfolio

    Melanocortin-4 Receptor Obesity Management Value of Palatin’s MC4R agonist portfolio New mechanisms will be Clinically validated Novel improved “Next Gen” required for obesity therapy Bremelanotide treatment for obesity Selective MC4R agonists and weight loss maintenance Obesity therapy will require

  11. Slide 11: Bremelanotide Phase 1b Weight Loss Study

    C o n Melanocortin-4 Receptor Obesity Management f i Bremelanotide MC4R agonist obesity Phase 1b clinical weight loss study in general obese subjects d e n 2-Week Study t i • General obese subjects: BMI ~35 a • Bremelanotide: n=27 l • Vehicle: n=26 • Weight loss: • Placebo -0.7kg; Bremelanotide: -2.

  12. Slide 12: GLP-1/GIP plus MC4R Co-administration Clinical Data

    Melanocortin-4 Receptor Obesity Management GLP-1/GIP agonist + MC4R agonist: co-administration clinical data* • No prospective studies have been done with combination pharmacotherapy • Previously published combination of setmelanotide plus 2.5mg of tirzepatide for obesity in BBS • 2 patients lost 26

  13. Slide 13: BMT-801 Study Objectives

    Melanocortin-4 Receptor Obesity Management BMT-801 Phase 2 signal detection study objectives Co-Administration GLP1/GIP Agonist Tirzepatide (2.5mg Weekly) + MC4R Agonist Bremelanotide (1.25mg Daily) Main Research Questions • Does co-administration result in increased weight loss? • Does MC4R agonism

  14. Slide 14: BMT-801 Study Design

    Melanocortin-4 Receptor Obesity Management BMT-801 Phase 2 signal detection study Co-Administration GLP1/GIP Agonist Tirzepatide & MC4R Agonist Bremelanotide Study Design: Randomized, double-blind, placebo-controlled trial evaluating the safety and efficacy of the addition of an MC4R agonist (BMT) t

  15. Slide 15: BMT-801 Patient Weight Loss from Baseline

    Melanocortin-4 Receptor Obesity Management BMT-801 patient weight loss from baseline to end of study Primary Endpoint – Co-Administration Group Greatest Weight Loss Patient Weight Change (%) from Baseline to End of Study Compared to PBO Patient Weight Change (%) from Baseline to End of Study Compare

  16. Slide 16: Co-administration Additive Effect

    Melanocortin-4 Receptor Obesity Management Co-administration additive effect – primary analysis Analysis for Additive Effect Percent of Subjects with ≥4% Reduction in Percent Weight Loss at End of Study 60 Group 1 Group 2 Group 3 Group 4 Group 1: Tirzepatide (2.5 mg SC) weekly/BMT (1.25 mg SC) daily

  17. Slide 17: Effect of Co-administration on Weight Loss

    Melanocortin-4 Receptor Obesity Management Effect of co-administration on increased weight loss Weekly Change in Percent Body Weight (%) by Group 0 -0.5 • Comparison of Group 4 to Group 3 -1 during Treatment Period 2 demonstrates a weight loss Percent Change in % Weight -1.5 maintenance effect -2 -2

  18. Slide 18: BMT-801 Questions and Outcomes

    Melanocortin-4 Receptor Obesity Management BMT-801 Phase 2 signal detection study questions / outcomes Co-Administration GLP1/GIP Agonist Tirzepatide (2.5mg Weekly) + MC4R Agonist Bremelanotide (1.25mg Daily) Main Research Questions Main Study Outcomes 1. Does co-administration result in increased 1

  19. Slide 19: Appetite Suppression Patient-Reported Outcomes

    Melanocortin-4 Receptor Obesity Management BMT-801 MC4R/GLP-1-GIP co-administration detection study Appetite Suppression (Patient-Reported Outcomes) • Patients receiving co-administered bremelanotide + tirzepatide, tirzepatide alone, and bremelanotide alone, experienced significant improvements in a

  20. Slide 20: Value of Study Results and Next Steps

    Melanocortin-4 Receptor Obesity Management BMT-801 MC4R/GLP-1-GIP co-administration detection study Value of the study results and next steps Confirmation that MC4R treatment with GLP-1/GIP can be additive without increasing safety and BMT-801 Study tolerability issues Support to perform co-administ

  21. Slide 21: Novel Next Generation MC4R Selective Agonists

    Novel “Next Generation” MC4R Selective Agonists • MC4R selective peptides once weekly dosing • Oral MC4R selective small molecules

  22. Slide 22: Legacy Challenges of MC4R Agonism Have Been Solved

    C o n Novel "Next Generation" Selective MC4R Agonists f The melanocortin receptor system i d Legacy Challenges of MC4R Agonism Have Been Solved! e n t Current Therapy Challenges Palatin Achieved Solutions i a l Palatin’s compounds with high potency coupled with structural elements, Injection Frequen

  23. Slide 23: Next Generation MC4R Peptide Agonists

    C o n Novel "Next Generation" Selective MC4R Agonists f i d e First series of ‘next generation’ MC4R peptide agonists for obesity: n t • Palatin studies in MC4R knock-out model confirm weight loss is dependent on a functional MC4R i • PL8905 lead development candidate a l o Selective MC4R agonist: S

  24. Slide 24: MC4R Selective Oral Small Molecule Program

    C o n Novel "Next Generation" Selective MC4R Agonists f MC4R selective oral small molecule program i d e Understanding What is Required for Success n t Historically, MC4R small molecule programs have failed due to a lack of understanding the receptor biology and i the structure/function relationship

  25. Slide 25: PL7737 Oral MC4R Agonist Preclinical Data

    C o n PL7737 Oral MC4R Agonist f Preclinical data highlights / 4-Day Diet-Induced Obese (DIO) Rat Study i d e n t i Treatment Arm Weight Loss (% after 4 days) a ➢ Rapid, dose-dependent weight loss l PL7737 – Middle Dose 5% ➢ PL7737 monotherapy produced PL7737 – High Dose 10% • Rapid and significant

  26. Slide 26: Summary of Palatin's MC4R Obesity Program

    C o n Novel "Next Generation" Selective MC4R Agonists f Summary – Palatin’s MC4R obesity program i d e Experts in the Design and Development of MC4R Agonists n t • Clinically validated mechanism for safe, effective treatment of obesity i a • Mechanism addresses the negative physiology that drives we

  27. Slide 27: Obesity Focused Development Programs

    Novel "Next Generation" Selective MC4R Agonists Obesity focused development programs Multiple clinical trials targeted in 1H26 with novel, long-acting MC4R peptide and PL7737 small molecule compound for treating general obesity, weight loss management, and rare MC4R pathway diseases such as hypothal

  28. Slide 28: Spin-Out / Out-License Programs

    Spin-Out / Out-License Programs

  29. Slide 29: Spin-Out / Out-License Programs

    Spin-Out / Out-License Programs Product/Indication R&D Phase 1 Phase 2 Phase 3 NDA Status/Next Steps Ocular Phase 3 MELODY-1 completed - positive data FDA confirmation on protocols and endpoints PL9643 MCR Agonist Phase 3 Melody-2 & -3 target start 1H26 Dry eye disease (DED) Phase 3 Melody-2 & -3 ta

  30. Slide 30: Ophthalmology MCR Programs

    Ophthalmology MCR Programs • Glaucoma – PL9588 / Retinal Diseases – PL9654 Research Collaboration / License Agreement with Boehringer Ingelheim August 2025 • Dry Eye Disease – PL9643

  31. Slide 31: Melanocortin Agonists for Ophthalmic Disease

    Melanocortin Agonists for Ophthalmic Disease Back of the eye (BOTE) Front of the eye (FOTE) Choroid Retinal Pigment Epithelium Conjunctiva Retinopathies Dry Eye Disease Retina Ocular Surface Cornea Corneal Protection Corneal Epithelium Trabecular Meshwork Optic Nerve Ciliary Body Glaucoma 1 31 1

  32. Slide 32: Target Markets and Opportunities

    Melanocortin Agonists for Ophthalmic Disease Target markets and opportunities Dry Eye Disease Glaucoma Global Market (2024 Est.) $7.0 Billion Global Market (2022 Act.) $8.03 Billion Global Market (2032 Est.) $12.3 Billion Global Market (2030 Est.) $11.52 Billion • Unsatisfied need for better tolerab

  33. Slide 33: Boehringer Ingelheim Research Collaboration / License Agreement

    PL9654 for Treating Retinal Diseases / PL9588 for Treating Glaucoma Research Collaboration / License Agreement with Boehringer Ingelheim August 2025 Boehringer Ingelheim and Palatin to develop potential first-in-class • Upfront payment of €2.0 million melanocortin receptor targeted treatment for pat

  34. Slide 34: Dry Eye Overview

    Dry Eye Overview Dry eye disease (DED) or keratoconjunctivitis is a multifactorial disorder of the tears and ocular surface Symptoms include dryness, irritation, redness, discharge and blurred vision Inflammation plays a prominent role in the development and amplification of the signs and symptoms o

  35. Slide 35: PL9643 for Dry Eye Disease

    PL9643 for Dry Eye Disease U.S. market value $1.65 billion1 Melanocortin agonism Resolves The Problem inflammation of • No effective chronic treatment that can provide rapid relief of dry eye corneal surface disease symptoms without tolerability issues Melanocortin Receptors present on The Opportuni

  36. Slide 36: Patient Satisfaction is an Issue with Current Therapies

    Patient Satisfaction is an Issue with Current Therapies Poor tolerability leads to high discontinuation rates Patients Receiving Rx for Dry Eye (48%)7 Response Rate Discontinuation Rate Response Rate Discontinuation Rate 64.4% 5,6,8 68-80%1-4 70.8% 5,6,8 Unknown Burning 72% Burning 64% Slow onset of

  37. Slide 37: PL9643 Melody-1 Phase 3 Study Design

    PL9643 Melody-1 Phase 3 Study Design 12-week, multicenter, 1:1 randomized, double-masked, vehicle-controlled adaptive design study Evaluate the efficacy and safety of PL9643 (575 patients enrolled) with moderate or severe dry eye disease defined as: Disease duration ≥ 5 years; Inferior Corneal Stain

  38. Slide 38: Melody-1 Phase 3 Clinical Trial

    PL9643 for Dry Eye Disease Melody-1 Phase 3 clinical trial Solves 3 recognized problems with current treatments: Efficacy, Onset Time to Effect, and Tolerability Broad Efficacy Across Multiple Signs and Symptoms • Co-Primary symptom endpoint of pain met statistical significance (P<0.025) • 7 of 11 S

  39. Slide 39: Pain and Eye Dryness Symptoms

    PL9643 for Dry Eye Disease Pain & Eye Dryness symptoms: best-in-class symptom relief • Multiple symptom endpoints statistically significant including co-primary Pain endpoint • Rapid onset of efficacy at 2-weeks (earliest time point measured) • Continuous improvement over the 12 weeks of treatment •

  40. Slide 40: MELODY-1 Sign Endpoint

    PL9643 for Dry Eye Disease MELODY-1 sign endpoint • PL9643 separates from Vehicle at 2-weeks (earliest time point measured) and continues to improve over 12 weeks • Primary sign endpoint did not reach statistical significance • Fluorescein staining endpoints statistically significant ITT population

  41. Slide 41: MELODY-1 Symptom Responder Analysis

    PL9643 for Dry Eye Disease MELODY-1 symptom responder analysis The First DED Therapy to Demonstrate Significant Clearing of Multiple Symptoms! ➢ For ALL symptoms PL9643 had a higher percentage of patients clearing symptoms ➢ 6 of 13 symptom endpoints were significant (p<0.05) in favor of PL9643 ➢ 2

  42. Slide 42: Safety and Ocular Tolerability

    PL9643 for Dry Eye Disease Safety and ocular tolerability PL9643` Phase 2 Study Phase 3 Study Ocular Adverse Events PL9643 Vehicle PL9643 Vehicle (N=80) (N=80) (N=287) (N=288) Phase 3 Melody-1 Study (n=575) Instillation Site Pain 0% 9% 3.1% 4.5% • PL9643 eye drop formulation was well-tolerated, Blur

  43. Slide 43: Program Summary / Next Steps

    PL9643 for Dry Eye Disease Program summary / next steps Robust Phase 3 Program NDA Package & Target Filing • Three Efficacy/Long Term Safety Studies: • NDA File: Efficacy, Safety and CMC data o MELODY-1 (completed) • NDA File Date (Est.): 2H 2027 o MELODY-2 & -3 • FDA Approval/Launch (Est.): 2H 2028

  44. Slide 44: Melanocortin Agonists for Ophthalmic Diseases Summary

    Palatin Melanocortin Agonists for Ophthalmic Diseases Summary Novel differentiated products for ophthalmic indications Melanocortin MoA delivers efficacy with excellent safety & tolerability Proprietary compounds with long term IP estate Short, well defined, clinical pathways for regulatory approval

  45. Slide 45: PL8177 Oral Formulation for Ulcerative Colitis

    PL8177 Oral Formulation for Ulcerative Colitis

  46. Slide 46: PL8177 Oral Formulation for Ulcerative Colitis

    PL8177 Oral Formulation for Ulcerative Colitis Global ulcerative colitis (UC) market USD Phase 2 study evaluating safety and efficacy $5.5 billion 2021, projected to be $8 billion of PL8177-Oral in UC patients ongoing; by 2026 enrollment completed; topline data1Q 2025 MC1R on colon epithelial cells

  47. Slide 47: UC Patient Treatment Paradigm

    PL8177 Oral Formulation for Ulcerative Colitis UC patient treatment paradigm Opportunity for PL8177 in Treating UC Indication Throughout the Treatment Paradigm Moderate Mild UC Moderate UC Severe UC 5-ASA (LialdaTM) Low 5-ASA PL8177 failure Drug Steroids enema/ suppository Price Steroids oral Steroi

  48. Slide 48: Preclinical Data Rat DSS Model

    PL8177 Oral Formulation for Ulcerative Colitis Preclinical data rat DSS model total colitis index 50 ✱✱✱✱ ✱✱✱ 40 total colitis index 30 20 10 0 m bo 0u g kg a e g/ Sh ac 10 Pl 7 0m 17 30 8 e PL in am al es M Total colitis index Single nuclei RNAseq of DSS rat colon • Abnormalities of mucosal archite

  49. Slide 49: PL8177-205 Phase 2 Study Design & Timelines

    PL8177 Oral Formulation for Ulcerative Colitis PL8177-205 Phase 2 study design & timelines Phase 2 RCT Parallel Group Study Using an Adaptive Design to Evaluate Safety, Tolerability and Efficacy 2022 2023 2024 2025 Patient Population PL8177 Oral UC Study Licensing • Adult patients with active PL8177

  50. Slide 50: Topline Data PL8177-205 Phase 2 UC Study

    C o n PL8177 Oral Formulation for Ulcerative Colitis f i Topline data PL8177-205 Phase 2 UC study d e n • Clinical Remission t i o Achieved in 33% of PL8177 treated subjects versus 0% on placebo after 8-weeks of treatment a • Clinical Response l o Achieved in 78% of PL8177 treated subjects versus 33

  51. Slide 51: Target Product Profile for Commercial Success

    PL8177 Oral Formulation for Ulcerative Colitis Target product profile for commercial success PL8177 Preclinical Profile PL8177 Oral Formulation PK PL8177 Clinical • High potency at melanocortin receptors 1 • Phase 1 radiolabeled micro-dose study with • Phase 1 clinical SAD/MAD study with the the ora

  52. Slide 52: Melanocortin Agonist for Diabetic Nephropathy

    Melanocortin Agonist for Diabetic Nephropathy

  53. Slide 53: Diabetic Nephropathy

    Melanocortin Agonist for Diabetic Nephropathy Diabetic nephropathy Diabetic nephropathy (DN) is a severe microvascular Diabetes and DN prevalence complication of diabetes mellitus (DM) It is the most common form of chronic kidney ~ 30 million US patients have CKD secondary to the disease (CKD) combi

  54. Slide 54: Melanocortin Agonists Increase Key Kidney Cell Types in Diabetic Rats

    Melanocortin Agonist for Diabetic Nephropathy Melanocortin agonists increase key kidney cell types in diabetic rats Cell Populations by snRNAseq* Podocyte Podocyte Density Density by Histopathology 45 ✱ ✱✱ Healthy 60 WT1+ cells/glomerular area 40 Diabetic Percent of Nuclei 35 Diabetic + 40 30 4 MC1R

  55. Slide 55: BREAKOUT Study in Diabetic Nephropathy

    Melanocortin Agonist for Diabetic Nephropathy BREAKOUT study in diabetic nephropathy BREAKOUT Study Schema Primary Research Question • Proportion of subjects with a ≥50% reduction in UP/Cr Secondary Research Questions • Proportion of subjects that achieve a reduction in UP/Cr ratios of ≥ 30% from ba

  56. Slide 56: Topline Results BREAKOUT Study

    Melanocortin Agonist for Diabetic Nephropathy Topline results – BREAKOUT Study in Diabetic Nephropathy • Addition of Bremelanotide to maximum tolerated RAAS inhibition Results therapy • 57% of patients achieved a clinical response >30% o Resulted in positive and clinically reduction from baseline in

  57. Slide 57: Financial / Cap Table Snapshot; Milestones Recap

    Financial / Cap Table Snapshot Milestones Recap

  58. Slide 58: Financial Snapshot / Cap Table

    Financial Snapshot / Cap Table Financial Highlights as of March 31, 2025 Cash and Cash Equivalents $2.5 million* No debt * Cash above does not include net proceeds from the ATM facility & equity offering of $3.5 million during April and May Summary Capitalization as of August 2025 Common Shares and

  59. Slide 59: Milestones Recap

    Milestones Recap Melanocortin System Development Programs Date Obesity - MC4R Agonists – Weight Loss (Maintenance) Phase 2 BMT-801 Clinical Study Bremelanotide + GLP-1 – Positive Topline Data Reported Completed Novel MC4R Selective Long-Lasting Agonist – IND Filing / SAD/MAD Data (to include HO pati

  60. Slide 60: Thank You

    Thank You. & PALATIN

Palatin Technologies — Investor Presentation (August 2025) on 6ix