On January 21, 2024, the Board of Directors of Inogen, Inc. appointed Michael Bourque to serve as Executive Vice President, Chief Financial Officer and Treasurer of the Company, effective March 4, 2024. Most recently, Mr. Bourque, 60, served as Chief Financial Officer and Treasurer of Chase Corporation since February 2021. He also served as Chief Financial Officer of Keystone Dental, Senior Vice President, Chief Financial Officer and Treasurer of Analogic Corporation from 2014 to 2018 and as Vice President of Finance for Axcelis Technologies from 2011 to 2014.

Bourque received a bachelor?s degree in accounting from Bentley University. As a result of the engagement of Mr. Bourque, effective March 4, 2024, Michael Sergesketter, the Company?s interim Executive Vice President, Chief Financial Officer and Treasurer, will no longer be considered an executive officer of the Company or hold the position of Executive Vice President, Chief Financial Officer and Treasurer, but will remain employed with the Company pursuant to his employment contract to assist with the transition of his duties.