On March 23, 2018, Advanced Disposal Services, Inc. announced that Matthew Gunnelson, Chief Accounting Officer and Assistant Treasurer of the Company, will go on a temporary leave of absence for medical reasons. In Mr. Gunnelson's absence, Steven Carn, the Company's Chief Financial Officer and Treasurer, will also assume responsibility as the Company's principal accounting officer. Prior to his appointment as the Company's Chief Financial Officer, Mr. Carn served as the Company's Chief Accounting Officer from April 2001 to August 2006.