1 Dr. Barker has provided consulting services to Masimo since July 2013. He currently serves as our Chief Science Officer and Chairman of our Scientific Advisory Board and previously served as our interim Chief Medical Officer from July 2013 to March 2015.

2 Mr. Cohen has been a member of our Board since July 31, 2018. He was appointed to the Audit Committee on July 31, 2018. A24

3 Mr. Reynolds served on the Audit Committee until July 31, 2018.

4 Dr. Shimer has been a member of our Board since January 2, 2019. She was appointed to the Audit Committee on March 15, 2019.