First Quarter 2024 Financial Results MAY 2, 2024 Agenda INTRODUCTION AYVAKIT THE POWERFUL Q1 2024 FINANCIAL PERFORMANCE MAST CELL PERFORMANCE Kate Haviland Philina Lee, PhD Fouad Namouni, MD Mike Landsittel Chief Executive Officer Chief Commercial Officer President, Research & Chief Financial Officer Development 2 Not for promotional use Forward-looking statements This presentation contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, inc ...