On February 18, 2022, Christopher Krubert resigned from the Board of Directors of ATI Physical Therapy, Inc. and each committee of which he was a member, effective February 24, 2022. Mr. Larsen has joined the Compensation Committee to replace Mr. Krubert. On February 24, 2022, pursuant to the Certificate of Designation and Investors' Rights Agreement, the holders of shares of Series A Preferred Stock elected Daniel V. Dourney to serve on the Company's Board effective February 24, 2022.

From April 2019 to June 2021, Mr. Dourney served as President and Chief Executive Officer of Professional PT, LLC. Previously, from May 2016 to March 2019, he was the President and Chief Operations Officer of OptimisCorp.