Valneva Reports First Nine Months 2025 Financial Results and Provides Corporate Updates November 20, 2025 Disclaimer This presentation does not contain or constitute an offer of, or the solicitation of an offer to buy or subscribe for, Valneva SE shares to any person in the USA or in any jurisdiction to whom or in which such offer or solicitation is unlawful. Valneva is a European company. Information distributed is subject to European disclosure requirements that are different from those of the United Stat ...

Core Insights - Valneva SE announced positive results from its Phase 1 clinical trial for VLA1601, a second-generation vaccine candidate against the Zika virus, demonstrating improved immune response and safety [1][5][7] Group 1: Clinical Trial Details - The Phase 1 trial, VLA1601-102, involved approximately 150 participants aged 18 to 49 in the U.S., who received two doses of the vaccine at varying dosages [2] - The trial evaluated the safety and immunogenicity of VLA1601, which is an aluminum-adjuvanted inactivated vaccine, with additional adjuvants tested in the low-dose group [2][4] - Data up to Day 57 indicated that VLA1601 was generally safe and well tolerated across all treatment arms, with no safety concerns identified [3] Group 2: Immunogenicity Results - VLA1601 induced an immune response across all treatment arms, with the strongest response observed in the double-adjuvanted groups, showing significantly higher neutralizing antibody titers compared to the single-adjuvant group [4] - The second-generation vaccine candidate showed higher peak seroconversion rates (>93% vs 86%) and a greater peak Geometric Mean Fold Increase of titers (>56 fold vs >7 fold) compared to the first-generation vaccine [5] Group 3: Development Context - VLA1601 is developed using the manufacturing platform of Valneva's licensed Japanese encephalitis vaccine IXIARO®, which has been optimized for other vaccine candidates [6][9] - The Chief Medical Officer of Valneva highlighted the growing public health challenge posed by Zika virus due to climate change, but noted that further development of VLA1601 will depend on securing significant funding opportunities [7]

Financial Performance - H1 2025 - Total revenues reached €97.6 million, representing a 38% year-over-year growth[10] - Product sales amounted to €91 million, driven by IXIARO®/JESPECT®, DUKORAL®, and IXCHIQ®[62] - IXCHIQ® sales showed significant growth, increasing by 688% to €7.5 million[62] - The company experienced a significant reduction in operating cash burn, targeting a 50% reduction compared to 2024[10] - Adjusted EBITDA was a loss of €6.0 million[64] Product Performance - H1 2025 - IXIARO®/JESPECT® sales increased by 30.6% to €54.7 million[62] - DUKORAL® sales increased by 16.4% to €17.4 million, including €1.1 million from doses supplied to Mayotte[62, 63] - Third-party product sales increased by 8.8% to €11.4 million[62] Financial Outlook - 2025 - The company projects product sales between €170 million and €180 million[70] - Total revenues are expected to be in the range of €180 million to €190 million[70] - R&D expenses are projected to be between €90 million and €100 million, partially offset by grant funding and R&D tax credits[70]

Core Insights - Valneva SE has entered into an exclusive agreement with CSL Seqirus for the marketing and distribution of its three proprietary vaccines in Germany [1][2] - The agreement includes the commercialization of Valneva's chikungunya vaccine IXCHIQ® starting July 2025, and its Japanese Encephalitis vaccine IXIARO® and cholera/ETEC vaccine DUKORAL® from January 2026 [2] - This new agreement replaces a previous partnership with Bavarian Nordic, which is set to conclude at the end of December 2025 [2][3] Company Performance - Valneva's product sales reached €48.6 million in Q1 2025, with €42.8 million coming from proprietary vaccines [4] - The company anticipates product sales to grow to €170-180 million in 2025, contributing to positive cash flows for its commercial business [4] Strategic Focus - The partnership with CSL Seqirus is expected to enhance Valneva's commercial sales in Germany, leveraging CSL's strong presence in the travel vaccine market [4] - Valneva specializes in developing vaccines for infectious diseases, focusing on unmet medical needs and applying expertise across multiple vaccine modalities [5][6] Pipeline Development - Revenues from the commercial business support the advancement of Valneva's vaccine pipeline, which includes a Lyme disease vaccine candidate partnered with Pfizer and a Shigella vaccine candidate [7]