GTT (NYSE MKT: GTT), a global cloud networking provider to multinational enterprises will present at Craig-Hallum’s 11 th Annual Institutional Investor Conference taking place in Minneapolis, MN. Rick Calder, President and CEO, will present on Wednesday, May 28 th. 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.