Press Release

Salem, MA (February 27, 2007) — Atlantic Tele-Network, Inc. (NASDAQ: ATNI) announced today that it will report results for the fourth quarter ended December 31, 2006 on Thursday, March 1, 2007, at approximately 5:00 p.m. Eastern time (ET).

In addition, the Company will host a conference call to discuss its fourth quarter and full year results with investors at 10:00 a.m. (ET) on Friday, March 2, 2007. Dial-in information for the conference call is as follows:

A replay of the conference call will be available as follows:

About Atlantic Tele-Network
Atlantic Tele-Network, Inc. is a telecommunications company with corporate offices in Salem, Massachusetts and St. Thomas, U.S. Virgin Islands. Its principal subsidiaries include: Guyana Telephone and Telegraph Company, Limited, which is the national telephone service provider in the Cooperative Republic of Guyana for all local, long-distance and international service, as well as the largest cellular service provider; Commnet Wireless, LLC, which provides voice and data wireless roaming services for U.S. and international carriers in rural areas throughout the United States; Sovernet, Inc., which provides wireline voice and data services to businesses and homes across Vermont; and Choice Communications, LLC, which provides wireless television and wireless broadband services, as well as dial-up internet services in the United States Virgin Islands. The Company also owns 44% of Bermuda Digital Communications Ltd., which, under the Cellular One name, is the largest provider of cellular voice and data services in Bermuda.

Atlantic Tele-Network, Inc.
Michael T. Prior
Chief Executive Officer
978-619-1300

Justin D. Benincasa
Chief Financial Officer
978-619-1300