On July 24, 2023, upon recommendation of the Nominating and Corporate Governance Committee of the Board of Directors (the board) of Exagen Inc., and pursuant to the bylaws of the Company, the Board appointed Paul Kim to serve as a Class II director, with an initial term expiring at the Company?s 2024 annual meeting of stockholders, filling the vacancy on the Board. In connection with his appointment to the Board, Mr. Kim was also appointed to the Audit Committee of the Board (the ?Audit Committee) and the Compensation Committee of the Board (the Compensation Committee), effective as of July 24, 2023. Following Mr. Kim?s appointment, the Audit Committee consists of Frank Stokes (Chair), Wendy Johnson, Ana Hooker and Paul Kim, and the Compensation Committee consists of Bruce C. Robertson, Ph.D. (Chair), Ana Hooker and Paul Kim.

Paul Kim has served as Fulgent Genetic Inc.?s (Fulgent) Chief Financial Officer since January 2016. Prior to his service for Fulgent, Mr. Kim was retired from 2011 until 2015 and served as Chief Financial Officer of Cogent Inc., a publicly traded biometric identification services and product company, from 2004 until 2011. Mr. Kim?s past experience also includes service as the Chief Financial Officer of JNI Corporation, a publicly traded storage area network technology company, from 2002 until 2003, as Vice President, Finance and Corporate Controller at JNI from October 1999 to August 2002 and as Vice President of Finance and Administration for Datafusion Inc., a privately held software development company, from 1998 until 1999.

From April 1996 to January 1998, Mr. Kim was the Corporate Controller for Interlink Computer Sciences Inc., a publicly traded enterprise software company. From 1990 to 1996, Mr. Kim worked for Coopers and Lybrand L.L.P., leaving as an audit manager. Mr. Kim received a B.A. in Economics from the University of California at Berkeley in 1989 and is a Certified Public Accountant.