On February 7, 2022, Mandiant, Inc. announced James Medina, the Company's Senior Vice President of Finance and Corporate Controller, was appointed to the additional role of Chief Accounting Officer, effective immediately. In this additional role, Mr. Medina will serve as the Company's principal accounting officer. Effective upon Mr. Medina's appointment, Frank Verdecanna ceased serving as the Company's Chief Accounting Officer and principal accounting officer, but continues to serve as Executive Vice President, Chief Financial Officer and principal financial officer of the Company.

Mr. Medina, age 60, has served as the Company's Senior Vice President of Finance since July 2021 and as the Company's Corporate Controller since February 2017. He previously served as the Company's Vice President of Finance from July 2018 to June 2021 and as the Company's Assistant Controller from July 2013 to February 2017.