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Redefining Oncology Treatment with Next-Generation Radiopharmaceuticals

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Engineering the Alpha Advantage in Targeted Oncology

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Unlocking New Treatment Options Across Solid Tumors:

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Optimizing the Entire System

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Rapidly Advancing Best-in-Class Next Generation Radiopharmaceuticals

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Optimizing Structural Chemistry:

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Choosing The Right Isotope

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Not All ²¹²Pb Programs Are Created Equal

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Advancing a Theranostic Approach:

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Solid Tumors are an Attractive Market for Radiopharmaceuticals

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Expanding the Addressable Market

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Direct-to-Hospital Delivery through Integrated Isotope Production

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Daily Production at Regional Sites Ensures Supply of Ready-to-Administer Product

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Reaching the Largest Addressable Market with Regional Manufacturing

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Advancing a Diverse Wholly Owned 212Pb-Based Oncology Portfolio

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SSTR2+ Neuroendocrine Tumors is a Large, Growing Market with Significant Unmet Need

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VMT-⍺-NET: Potential First-in-Class 212Pb-Radioligand Therapy Targeting SSTR2

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Ongoing Phase 1/2a to Establish Broad Therapeutic Window For VMT-⍺-NET in NETs

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VMT-⍺-NET: Baseline Patient Characteristics in AACR 2026 Data Analysis

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Patient Exposure and Follow-up with [212Pb]VMT-α-NET in AACR 2026 Data Analysis

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VMT-α-NET Responses Deepen Over Time

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VMT-⍺-NET: Durable Disease Control Across All Doses

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Spider Plot of Tumor Change Over Time by Patient

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Best-in-class Safety Profile1

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Blood Creatinine During Follow-up for All Patients Treated (n=64)

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VMT-α-NET’s Compelling Profile Supports Potential Registration Study at Current Dose Level

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Checkpoint Inhibitors Transformed Care of Melanoma but Leave Many Patients Behind

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VMT01: Potential First-in-Class 212Pb Therapy Targeting MC1R for Melanoma

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Ongoing Phase 1/2a Open-Label Trial For VMT01 in Melanoma

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Preliminary Anti-tumor Activity Observed at Lower Dose of VMT01

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Treatment Emergent Adverse Events (All Grades, Occurring in ≥ 2 Patients)

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VMT01 is Well-tolerated with Initial Anti-tumor Activity Supporting Further Development

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FAP-ɑ is an Attractive Cancer Target with Broad Solid Tumor Potential

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PSV359: Potential First-in-Class 212Pb Therapy Targeting FAP-ɑ for Solid Tumors

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Ongoing Open-label Phase 1/2a Trial For PSV359 in Advanced Solid Tumors

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PSV359 has Improved Tumor Retention, Highlighting its Potential as a Therapeutic Agent

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Strong IP Portfolio Covering All Aspects of Radiopharmaceutical Value Chain

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A Decade of Deliberate, End-to-End Engineering

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Built Over a Decade:

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Abbreviations

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APPENDIX

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NETs Trials

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Patient with Confirmed PR After [212Pb]VMT-α-NET Treatment

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Refractory Metastatic Melanoma Trials

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ICI Combo Rationale: Strong Synergy with [212Pb]VMT01 in Melanoma

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Construct designed for better clinical outcome

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212Pb Uniquely Suited for Combination with Immune Check Point Inhibitors

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