ROUNDTABLE Factor XI Speakers Regeneron Roundtable – Factor XI George Yancopoulos Board co-Chair President Chief Scientific Officer NOVEMBER 10, 2025 Andres Sirulnik Senior Vice President Clinical Development Unit Head Hematology David Gutstein Vice President Global Program Head Hematology Ryan Crowe Senior Vice President Investor Relations & Strategic Analysis 2 This presentation includes forward-looking statements that involve risks and uncertainties relating to future events and the future performance of ...