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August 6 , 2026 Replimune TUDRIQEVTM ( vusolimogene oderparepvec - wtpg ) FDA Accelerated Approval Investor Call
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© 2026 Replimune Group Inc. TUDRIQEVTM Approval Call © 2026 Replimune Inc. 2 Safe Harbor Any statements contained herein that are not statements of historical facts may be deemed to be forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, including statements regarding clinical trials, clinical studies and other clinical work (including the funding therefor, anticipated patient enrollment, safety data, study data, trial outcomes, timing or associated costs, sufficiency of any resulting data), regulatory applications and related submission contents and timelines, the timelines or outcomes related to litigation, including any rehearings or appeals of decisions in any such proceedings, and our ability to execute on our strategic or financial initiatives, our estimates regarding future expenses, capital requirements and needs for additional financing, and potential commercial viability, and potential reimbursement and utilization of TUDRIQEV involve significant risks and uncertainties and actual results could differ materially from those expressed or implied herein. Our ability to maintain TUDRIQEV’s accelerated approval and to continue commercialization of TUDRIQEV may be contingent on verification of clinical benefit in a confirmatory trial(s). Other forward looking statements identified by words such as “could,” “expects,” “intends,” “may,” “plans,” “potential,” “should,” “will,” “would,” or similar expressions and the negatives of those terms. Forward-looking statements are not promises or guarantees of future performance and are subject to a variety of risks and uncertainties, many of which are beyond our control, and which could cause actual results to differ materially from those contemplated in such forward-looking statements. These factors include risks related to our limited experience in commercializing products for sale, our ability to successfully verify the clinical benefit of TUDRIQEV in our ongoing confirmatory Phase 3 trial, IGNYTE-3, our ability to meet our product manufacturing goal, the timing and scope of future regulatory approvals, the availability of combination therapies needed to conduct our clinical trials, changes in laws and regulations to which we are subject, competitive pressures, our ability to identify additional product candidates, the impact of political and global macro factors and military conflicts, and other risks as may be detailed from time to time in our Annual Reports on Form 10-K and Quarterly Reports on Form 10-Q and other reports we file with the Securities and Exchange Commission. Our actual results could differ materially from the results described in or implied by such forward-looking statements. Forward-looking statements speak only as of the date hereof, and, except as required by law, we undertake no obligation to update or revise these forward-looking statements.
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© 2026 Replimune Group Inc. TUDRIQEVTM Approval Call © 2026 Replimune Inc. 3 Agenda Introduction • Sushil Patel, PhD, CEO TUDRIQEVTM U.S. Prescribing Information • Kostas Xynos, MD, PhD, MBA, Chief Medical Officer U.S. Launch Plans • Sushil Patel, PhD, CEO Value and Milestones • Emily Hill, CFO Q&A Session
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© 2026 Replimune Group Inc.
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5TUDRIQEVTM Approval Call © 2026 Replimune Inc. 5 FDA Approval Validates RPx Platform First Oncolytic Viral Combination Therapy to Drive Immune Activation TUDRIQEV is Replimune’s First Approved Product Validating the RPx Platform TUDRIQEV Delivers Hope for Advanced Melanoma Patients
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6TUDRIQEVTM Approval Call © 2026 Replimune Inc. 6 TUDRIQEV (formerly known as RP1) is Now FDA Approved Approved in combination with nivolumab for the treatment of adults with unresectable advanced cutaneous melanoma who experience disease progression with a PD-1 blocking antibody- based regimen “Too-drih-kev” This indication is approved under accelerated approval based on objective response rate and duration of response. Continued approval for this indication may be contingent upon verification of clinical benefit in a confirmatory trial.
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7TUDRIQEVTM Approval Call © 2026 Replimune Inc. 7 TUDRIQEV Label Reflects Broad Patient Population Demonstrated effect in non- injected lesions in combination with nivolumab No requirement for prior BRAF treatment Ability to treat superficial, deep and visceral lesions, including lung, liver and other organs Patients can be retreated based on physician discretion
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© 2025 Replimune Group Inc. TUDRIQEVTM Approval Call © 2026 Replimune Inc. 8 Overview of TUDRIQEV (vusolimogene oderparepvec-wtpg) U.S. Prescribing Information Kostas Xynos, Chief Medical Officer
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9TUDRIQEVTM Approval Call © 2026 Replimune Inc. 9 IGNYTE Study: Basis of Accelerated Approval of TUDRIQEV References: 1. TUDRIQEV. Prescribing Information. Replimune, Inc.; 2025. TUDRIQEV Cycle 1 1x106 PFU/mL (up to 10 mL) TUDRIQEV 1x107 PFU/mL (up to 10 mL) + Nivolumab Cycles 2-8 Cycles 9-30+ Nivolumab TUDRIQEV 1x107 PFU/mL (up to 10 mL) Additional cycles* *Retreatment: At investigator discretion, patients may be retreated with TUDRIQEV at a concentration of 107 PFU/mL every 2 weeks. In IGNYTE, patients were retreated with TUDRIQEV + nivolumab or as a monotherapy if nivolumab was previously stopped due to toxicity related to nivolumab. Every 2 weeks Every 2 weeks Major efficacy outcome measures • Safety & tolerability • ORR • DOR Confirmed progression while on prior anti-PD-1 therapy
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10TUDRIQEVTM Approval Call © 2026 Replimune Inc. 10 Patient Demographics Reflect Real World Hard-to-Treat Population Demographics and Disease Characteristics N=91* Age, median, years (range) 62 (23, 91) Stage IV disease 80% Prior anti-PD1 adjuvant 13% Tumor PD-L1 expression negative 54% Lung lesions 45% Liver lesions 24% Brain lesions 7% No overall difference in safety or effectiveness in patients over 65 years of age (41%), including patients over 75 years old (14%) *140 patients were enrolled in IGNYTE, 91 patients with at least 1 non-injected lesion were included in the efficacy-evaluable population
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11TUDRIQEVTM Approval Call © 2026 Replimune Inc. 11 TUDRIQEV Prescribing Information Efficacy Summary a Assessed by blinded central IRC per RECIST 1.1 criteria, b The median duration of follow-up for DoR was 29.5 (95% CI: 18.4-33.1) months by Kaplan-Meier method, c Estimated by Kaplan-Meier method, d Observed duration of response, IRC, independent review committee; NR, not reached Objective Response Rate by IRC N=91* ORR% (95% CI)a 24.2 (15.8, 34.3) Duration of Response (DoR)b N=91 Median DoR in months (95% CI)c 14.1 (10.7, NR) DoR range, months 3.9 to 34.6+ Patients with DoR > 6 months, n (%)d 86.1 Patients with DoR > 12 months, n (%)d 54.6 *140 patients were enrolled in IGNYTE, 91 patients with at least 1 non-injected lesion were included in the efficacy-evaluable population
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12TUDRIQEVTM Approval Call © 2026 Replimune Inc. 12 Simple and Practical Dosing and Administration Highlights from Label • Simple dosing calculation for healthcare providers – 1mL/cm per tumor up to a max of 10mL per dose • Tumor selection flexibility – prioritize the most rapidly growing and largest new or existing lesions suitable for injection • Scheduling flexibility – TUDRIQEV + nivolumab do not have to be scheduled on the same day • Patients can receive additional doses at the physician’s discretion • Ability to inject superficial AND visceral lesions
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13TUDRIQEVTM Approval Call © 2026 Replimune Inc. 13 TUDRIQEV Administration to Superficial Tumors Injection Administration for Nonulcerated Superficial Tumors Injection Administration for Ulcerated Cutaneous Tumors
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14TUDRIQEVTM Approval Call © 2026 Replimune Inc. 14 TUDRIQEV Injection for Deep or Visceral Tumors including Lung, Kidney or other Organs Radial Injection Administration for Deep or Visceral Tumor Coaxial Injection Administration in Visceral Tumor with Image Guidance
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15TUDRIQEVTM Approval Call © 2026 Replimune Inc. 15 Key TUDRIQEV Safety Highlights No Contraindications Warnings & Precautions • Accidental exposure to TUDRIQEV, herpetic infection or reactivation, injection procedure complications, immune-mediated events Most common (>10%) adverse reactions • Nausea, diarrhea, vomiting, constipation, decreased appetite, abdominal pain, fatigue, pyrexia, chills, injection site reaction, influenza like illness, edema, infections, musculoskeletal pain, arthralgia, headache, dizziness, cough, dyspnea, rash, pruritis, hemorrhage • No grade 4 or 5 common adverse events observed Drug interactions • Antiviral medications may reduce the efficacy of TUDRIQEV. No reported transmission TUDRIQEV to close contacts Recommended Biosafety Level 1 (lowest level) Standard cleaning procedures
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16TUDRIQEVTM Approval Call © 2026 Replimune Inc. 16 Confirmatory IGNYTE-3 Study: Enrollment On Track *Nivolumab-Relatlimab (Opdualag), Chemotherapy (DTIC, TMZ, paclitaxel/nab-paclitaxel), Rechallenge with anti-PD1 monotherapy (nivo or pembro); NCT6264180 Randomized 1:1 RP1 + Nivolumab (n=200) Treatment of Physician’s Choice (TPC*) (n=200) Advanced cutaneous melanoma Progressed on anti-PD1 AND anti-CTLA-4 OR not candidates for anti-CTLA-4 N=~400 Primary Analysis – OS Secondary Endpoints - PFS/ORR
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© 2025 Replimune Group Inc. TUDRIQEVTM Approval Call © 2026 Replimune Inc. 17 U.S. Launch Plans for TUDRIQEV Sushil Patel, PhD, CEO
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18TUDRIQEVTM Approval Call © 2026 Replimune Inc. 18 ~10K Addressable Patients Across Lines of Therapy 3L+ 2L Early Stage 1L US Melanoma Patient Treatment Funnel ~80% of patients who progress on PD-1 across lines of therapy are injectable (~10K addressable patients) RP1 potential patients PD-1 Containing Regimens Surgery Only BRAF/ MEK PD-1 Containing Regimens1 ~2K Adj refractory ~7K No SOC* ~4K No SOC* 1De-novo metastatic or recurrent from surgery. *Therapy is dependent on prior exposure (e.g. PD -1 regimen, BRAF+MEK, TIL, or chemo) Source: Epi data for year 2030 from CancerMPact® Patient Metrics, Oracle (available from www.cancermpact.com Accessed 15 Oct 2025), with adjustments to future 2L+ treatment rates based on primary market research. Injectability based on primary market research and real -world data analysis.
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19TUDRIQEVTM Approval Call © 2026 Replimune Inc. 19 Positioning TUDRIQEV to be the 1st Choice after PD-1 Progression Compelling data and favorable safety profile Ensure a positive TUDRIQEV experience while creating a seamless treatment journey Deliver a meaningful TUDRIQEV value proposition supporting access for all customers Instill confidence in TUDRIQEV to drive targeted and rapid adoption upon 1st PD-1 progression
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20TUDRIQEVTM Approval Call © 2026 Replimune Inc. 20 Account Profiling Enabled Identification of Physician Champions to Drive Rapid Adoption Early Adopter Accounts (n=~200) California Texas Florida 94% Medical Oncology champion identified Significant proactive requests for engagement immediately following approval 87% IR champion identified
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21TUDRIQEVTM Approval Call © 2026 Replimune Inc. 21 Targeted Launch for Long-term Success ~450 Accounts ~1200 Accounts ~6 Month Initial Focus Longer-term Early Adopters Early Adopters + Mod-High Volume ~200 Accounts Early Adopters + High Volume Next 9-12 Months
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22TUDRIQEVTM Approval Call © 2026 Replimune Inc. 22 Today’s Reimbursement Model Supports the Patient Treatment Journey Existing procedural codes to support TUDRIQEV injections by IRs and med oncs Extensive payer engagement reaching nearly 80% of covered lives anticipated to expedite formulary review and coverage decisions Reimbursement landscape supports adoption of TUDRIQEV in community and hospital settings
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23TUDRIQEVTM Approval Call © 2026 Replimune Inc. 23 Patient Treatment Journey Aligned with Approved Product Label Patient progresses on PD-1 and TUDRIQEV is chosen as the next therapy Nivo administered up to 2 years Oncologist and IR can collaborate to create TUDRIQEV treatment plan up to 8 cycles TUDRIQEV & Nivo treatment visits are scheduled Q2 weeks TUDRIQEV is delivered next day TUDRIQEV injections in outpatient setting with standard cleaning procedures
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24TUDRIQEVTM Approval Call © 2026 Replimune Inc. 24 Comprehensive Patient Support Program Planned Patient and provider services in place to support a positive treatment experience
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© 2025 Replimune Group Inc. TUDRIQEVTM Approval Call © 2026 Replimune Inc. 25 Value and Milestones Emily Hill, Chief Financial Officer
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26TUDRIQEVTM Approval Call © 2026 Replimune Inc. 26 Pillars to Drive Long-Term Value U.S. based 63,000 square foot state-of- the-art manufacturing facility to support global commercial supply TUDRIQEV expected to ship in approximately 60 days Delivering value and achieving broad coverage Cost of treatment in line with comparable treatments in advanced melanoma
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27TUDRIQEVTM Approval Call © 2026 Replimune Inc. 27 The Future of the RPx Platform Registration-DirectedClinical trials & indication Engineered HSV backbone + GM-CSF + GALV-GP R- IND/CTA Phase 1/2 2L HCC/1L BTC Maintenance + bevacizumab/atezolizumab / + durvalumab HCC/BTC REVEAL + nivolumab Metastatic Uveal Melanoma Phase 2 IGNYTE-3 + nivolumab Melanoma (anti-PD1 failed) Approved Engineered HSV backbone + GM-CSF + GALV-GP R- + anti-CTLA-4 IGNYTE* + nivolumab Melanoma (anti-PD1 failed) PDUFA date July 22, 2025 RPx expansion into additional solid tumors planned RP1 RP2 Randomized Controlled Trial Randomized Controlled Trial
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28TUDRIQEVTM Approval Call © 2026 Replimune Inc. 28 Anticipated Milestones in the Next 6 Months TUDRIQEV First Revenue Reporting RP2 Uveal Melanoma Ph 2/3 Study Transition Preliminary RP2 HCC/BTC Data Pipeline Expansion into Additional Solid Tumors
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29TUDRIQEVTM Approval Call © 2026 Replimune Inc. TUDRIQEVTM Approval Call © 2026 Replimune Inc. Q&A
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© 2025 Replimune Group Inc. TUDRIQEV Approval Call August 6, 2026 Thank You