Carolyn D. Beaver, age 68, has served as a member of our board of directors since December 2018 and as chairperson of the audit committee since February 2021. She has also served as a director and chairperson of the audit committee of Sonendo, Inc., a commercial-stage medical technology company providing dental technology systems, since October 2021, and as a member of its compensation committee since May 2024, and as a member of the board of directors of MediciNova, Inc., a biopharmaceutical company focused on developing novel therapeutics for the treatment of serious diseases, since October 2020, and is currently chairperson of its audit committee and a member of its nominating and corporate governance and compensation committees. Ms. Beaver also served on the board of directors of Organovo Holdings, Inc., a biotechnology company, from February 2019 to September 2020 and as chair of its audit committee from September 2019 to September 2020. She was a director of Commerce National Bank, California, a full service community business bank, and chair of its audit committee and a member of its asset/liability committee from 2005 until the bank was acquired in 2013. Ms. Beaver previously held several positions at Sequenom, Inc., a life sciences testing company, including Chief Financial Officer and Senior Vice President from March 2015 to October 2016, Chief Financial Officer from June 2014 to March 2015, and Vice President and Chief Accounting Officer from June 2012 to June 2014. Ms. Beaver was previously Corporate Vice President and Controller of Beckman Coulter, Inc., a biomedical laboratory instrument and test company, from August 2005 until June 2012, and was named Chief Accounting Officer in October 2005, a position she held until July 2011, following the acquisition of Beckman Coulter, Inc. by Danaher Corporation. She also served as interim Chief Financial Officer of Beckman Coulter from July 2006 through October 2006. Ms. Beaver served as an audit partner with KPMG LLP, a global network of firms providing audit, tax, and advisory services, from 1987 to 2002. Ms. Beaver received a B.S. in Business Administration from California State Polytechnic University, Pomona. We believe that Ms. Beaver s financial, business, and accounting expertise, and experience at public companies of comparable size as well as large multinational companies give her valuable qualifications and skills to serve as one of our directors.