Press Release

GTT Files for Chapter 11 to Implement Prepackaged Plan

Voluntary chapter 11 cases filed for entities based in the United States (U.S.) consistent with Company’s previously announced Restructuring Support Agreement (RSA) with key stakeholders

- Large majorities of lenders and noteholders have approved the Prepackaged Plan

- The combination of the recently completed infrastructure division sale and the transactions contemplated by the Prepackaged Plan will reduce the Company’s debt by approximately $2.8 billion

- Business continues as usual and without interruption both in the U.S. and globally; vendors, employees and other partners to be paid in the ordinary course of business

MCLEAN,