On December 2, 2020, Steven Berns notified the Board of Directors of GTT Communications, Inc. (the Company) of his decision to resign as the Company's Chief Financial Officer, effective December 4, 2020. Mr. Berns was also the Company's interim principal accounting officer. Mr. Berns' departure is amicable and not as a result of a disagreement with the Company, and he will continue to provide advisory services to the Company through January 31, 2021. Donna Granato, the Company's Senior Vice President, Finance, has assumed the duties of Chief Financial Officer and principal accounting officer of the Company on an interim basis until a new individual(s) has been named to these roles. Ms. Granato, age 46, has served as the Company's Senior Vice President, Finance since June 2020. From 2018 to 2019 Ms. Granato was General Manager, Editorial at Shutterstock, and from 2015 to 2018 Ms. Granato was co-founder of R&D Venture Partners, a boutique strategy and M&A advising firm. From 2013 to 2015 she served as VP, Corporate Finance & Investor Relations of Tribune Media.