Extending the Boundaries of Targeted Cancer Therapies with Radio-DARPins and Next-Gen Immune Cell Engagers Q3 Financials October 30, 2025 Nasdaq, SIX Swiss Exchange: MOLN Disclaimer This presentation contains forward looking statements. Any statements contained in this presentation that do not describe historical facts may constitute forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995, as amended, including without limitation: implied and express statem ...

IND application filed for MP0712, the Company’s lead Radio-DARPin candidate targeting DLL3 and co-developed with Orano Med, with Phase 1 initiation expected before year end 2025 First patient images from MP0712 compassionate care program to be presented at TRP in November; additional programs planned for 2026, including MP0726 targeting mesothelin. Updated data from Phase 1/2a trial of MP0533, a multispecific T cell engager for AML, to be presented at ASH in December Protocol approved for Phase 2 investigat ...

Core Insights - Molecular Partners AG is making significant progress in its clinical programs, particularly with MP0712 and MP0533, with key milestones expected in the near future [2][6] - The company has appointed Martin Steegmaier, Ph.D., as Chief Scientific Officer, enhancing its leadership team [2][15] - Financially, the company is in a strong position with cash reserves projected to last until 2028 [2][19] Research & Development Highlights - MP0533 is in a Phase 1/2a trial for acute myeloid leukemia, showing promising results with over 30% of evaluable patients achieving a clinical response [3][4] - The dosing regimen for MP0533 has been optimized to enhance patient responses, with initial data from cohort 9 expected in Q4 2025 [5][6] - MP0712, a Radio-DARPin therapy for small cell lung cancer, is preparing for an IND filing, with initial clinical data anticipated in H1 2026 [8][9] Corporate Governance Highlights - The appointment of Martin Steegmaier, Ph.D., as CSO is aimed at strengthening the company's focus on oncology drug development [15] - A strategic review led to a planned reduction of up to 40 positions, which is expected to improve operational efficiency and extend the cash runway into 2028 [16] Financial and Business Outlook - For 2025, the company expects total operating expenses between CHF 55-65 million, with a significant portion being non-cash costs [18] - As of June 30, 2025, cash and cash equivalents totaled CHF 114 million, sufficient to fund operations into 2028 [19]

Core Insights - Molecular Partners AG is advancing its clinical programs and expects to achieve key milestones in 2025, including the IND filing and initial clinical data for its lead program MP0712 [2][5][8] - The company has a strong financial position with cash reserves of CHF 131 million as of March 31, 2025, which is projected to fund operations well into 2027 [19] Research & Development Highlights - The strategic partnership with Orano Med has been expanded to co-develop up to ten Pb-labeled radiotherapy programs, including MP0712 targeting DLL3 for small cell lung cancer [3][8] - Preclinical data for MP0712 presented at the AACR 2025 showed high tumor uptake and a favorable toxicity profile, supporting its efficacy in mouse models [4][9] - The IND application for MP0712 is planned for mid-2025, with a Phase 1 dose-escalation study set to begin in the second half of 2025 [5][8] - The second RDT program targeting MSLN is also in development, with promising preclinical data indicating effective binding despite high shedding of MSLN [7][9] Clinical Programs - MP0533, a multispecific T cell engager, is in a Phase 1/2a trial for acute myeloid leukemia, with recent data showing increased response rates in cohort 8 [10][11] - The study protocol for MP0533 has been amended to enhance exposure and response rates, with additional data expected in 2025 [12] - The Switch-DARPin platform aims to improve T cell engagers' safety and potency, with preclinical proof-of-concept data presented at AACR 2025 [13] Financial and Business Outlook - The company anticipates total operating expenses of CHF 55-65 million for 2025, with a portion allocated to non-cash effective costs [18] - The current cash position is expected to support operational needs and capital expenditures through 2027 [19] Corporate Governance Highlights - All motions proposed by the Board of Directors at the Annual General Meeting in April 2025 were approved by shareholders [17]