Masimo extends deadline for stockholder proposals and director nominations to May 1, 2023

On April 20, 2023, the Board of Directors (the “Board”) of Masimo Corporation, a Delaware corporation (the “Corporation”) approved and adopted an amendment to the Corporation’s Fifth Amended and Restated Bylaws (the “Amendment”), which extends the deadline for stockholders to give notice of their intention to nominate directors to stand for election and to submit stockholder proposals for consideration at the 2023 Annual Meeting of Stockholders, from 6:00 p.m. local time in Wilmington, Delaware on April 24, 2023 to 6:00 p.m. local time in Wilmington, Delaware on May 1, 2023.