Press Release

GTT to Present at Channel Partners Conference & Expo

McLean, VA, March 15, 2016

GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, announced today that its principal security analyst, Park Foreman, will speak at the Channel Partners Conference & Expo on Thursday, March 17, at 12:30 p.m. PT, at The Venetian Resort Hotel and Casino, Las Vegas. The Channel Partners Conference & Expo is a leading networking event for the technology services community. Mr. Foreman will be speaking on a keynote panel, Managing Risk for Big Bucks. In this session, security experts will discuss best practices for implementing a security practice within a corporation to minimize customer risk. GTT will also be sponsoring the keynote luncheon immediately preceding the keynote session. “We are excited that GTT is represented at the security keynote at Channel Partners,” said Rick Calder, GTT president and CEO. “Security is a top priority for our clients, particularly our retail customers who rely heavily on credit and debit card transactions. As payment technologies and systems continue to evolve, businesses must constantly update their payment processing procedures and security to ensure that their customers’ data is protected.” 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]