Quarterly Earnings Information


Second Quarter 2008 Earnings Conference Call and Webcast
GTT will hold a conference call, which will also be streamed live via webcast, to discuss its second quarter 2008 results on Thursday, August 7, 2008 at 8:30 AM Eastern Time.

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First Quarter 2008 Earnings Conference Call and Webcast
GTT held a conference call, which will also be streamed live via webcast, to discuss its first quarter 2008 results on Wednesday, May 14, 2008 at 8:30 AM ET.

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Fourth Quarter 2007 Earnings Conference Call and Webcast
GTT held a conference call, which was also streamed live via webcast, to discuss its fourth quarter 2007 results on Thursday, March 20, 2008 at 8:30 AM ET.

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Third Quarter 2007 Earnings Conference Call and Webcast
GTT held a conference call, which was also streamed live via webcast, to discuss its third quarter 2007 results on Thursday, November 15, 2007 at 8:30 AM ET.

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Second Quarter 2007 Earnings Conference Call and Webcast
GTT held a conference call, which was also streamed live via webcast, to discuss its second quarter 2007 results on Thursday, August 9, 2007 at 8:30 AM ET.

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First Quarter 2007 Earnings Conference Call and Webcast
GTT held a conference call, which was also streamed live via webcast, to discuss its first quarter 2007 results on Tuesday, May 15, 2007 at 8:30 AM ET.

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Fourth Quarter & Year Ended December 31, 2006 Webcast
GTT held a conference call, which was also streamed live via webcast, to discuss its fourth quarter & year end 2006 results on Thursday, March 29, 2007 at 8:30 AM ET.

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