GTT Communications, Inc. (“GTT”) (NYSE MKT: GTT), a global cloud networking provider to multinational enterprises, announced today its plans to release results for the fourth quarter and year ended December 31, 2013, on Tuesday, March 18, 2014. In conjunction with the release, GTT has scheduled a conference call, which will also be broadcast live over the Internet, on Tuesday, March 18, 2014 at 10:00 A.M. Eastern Time. What: GTT’s Fourth Quarter and Year Ended 2013 Financial Results Conference Call When: Tuesday, March 18, 2014 at 10:00 A.M. Eastern Time Where: Via phone by dialing +1.888.337.8169 or +1.719.325.2458, entering passcode 1798316 and asking for the GTT call or via webcast at www.gtt.net. A telephonic replay of the conference call will be available for one month and may be accessed by calling +1.888.203.1112 or +1.719.457.0820 and using the passcode 1798316. The webcast will be archived in the investor relations section of the company’s web site. About GTT GTT operates a global Tier 1 IP network with the most interconnected Ethernet service platform around the world. We provide highly reliable, scalable and secure cloud networking services. Our clients trust us to deliver solutions with simplicity, speed, and agility that are unmatched by other network providers. For more information visit GTT www.gtt.net.