Press Release

GTT Announces Global WAN Summit Partnership

McLean, VA, March 29, 2016

GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, announced today an exclusive global partnership to sponsor and speak at TeleGeography and Capacity’s WAN Summit events in New York, Singapore and London. The WAN Summit series brings together corporate network strategists and service providers to generate ideas, gain new perspectives and initiate conversations on key global networking challenges. The first WAN Summit will be held April 5-6 at Current at Chelsea Piers in New York City. GTT Chief Marketing Officer Gina Nomellini will speak on a panel titled Delivering the Cloud to End Users on Tuesday, April 5, at 1:40 p.m. This session will bring together cloud, colocation and network service providers with end users, to discuss best practices in connecting enterprises to the cloud. “GTT is proud to be the global partner for the 2016 WAN Summit series,” said Rick Calder, GTT president and CEO. “This initiative directly aligns with GTT’s commitment to provide our clients with flexible and secure EtherCloud wide area networking services that seamlessly connect them to any location in the world and any application in the cloud.” 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]