Leading proxy advisory firm Egan-Jones recommends shareholders to vote “FOR” Masimo’s director nominees Joe Kiani and Christopher Chavez Page 1

Masimo Corporation (“Masimo” or the “Company”) (NASDAQ: MASI), a global leader in non-invasive surveillance technologies and audio products, today announced that leading proxy advisory firm Egan-Jones has recommended that shareholders vote on the updated GOLD proxy card ONLY “FOR” The nominees for the position of director of Masimo – Joe Kiani and Christopher Chavez – in connection with the annual meeting of shareholders to be held on September 19, 2024 (the “Annual Meeting”).

Egan-Jones summarised his position as follows: