Press Release

GTT to Speak at Light Reading’s Big Communications Event

McLean, VA, May 18, 2016

GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, announced today that Gina Nomellini, GTT chief marketing officer, will speak at Light Reading’s Big Communications Event (BCE), on Wednesday, May 25, at 3:15 p.m. CDT, at the Austin Convention Center. Light Reading’s BCE, formerly the Big Telecom Event, is an annual gathering of next-generation communication providers to discuss the challenges and issues critical to their future success. Ms. Nomellini will be speaking on a panel titled Interconnection in the Cloud Services Era, moderated by Carol Wilson, editor-at-large, Light Reading. This session brings together top communication executives to discuss how interconnection to exchanges and data centers is evolving to meet the on-demand requirements of enterprises. GTT owns and operates a global network with more than 250 points of presence located in key business centers around the world. The company’s EtherCloud® portfolio of wide area network services provides secure and reliable connectivity to hundreds of cloud service providers through a single WAN connection. About GTT GTT’s global Tier 1 IP network enables clients to connect to any location in the world and with any application in the cloud. Our cloud networking services provide a better way for multinational clients to reach the cloud. Clients trust us to deliver secure solutions with simplicity, speed and agility. For more information, visit www.www.gtt.net. GTT Media Inquiries: Ann Rote +1.703.677.9941 [email protected]