Press Release

Salem, MA (October 24, 2007) — Atlantic Tele-Network, Inc. (NASDAQ: ATNI) announced today that it will report results for the third quarter ended September 30, 2007 on Thursday, November 1, 2007, at approximately 5:00 p.m. Eastern time (EDT).

In addition, the Company will host a conference call to discuss its third quarter results with investors at 11:30 a.m. (EDT) on Friday, November 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 wireless 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 in Northern New England; and Choice Communications, LLC, which provides wireless television and wireless broadband services in the United States Virgin Islands

The Company also owns 43% of Bermuda Digital Communications Ltd., which, under the CellularOne name, is the largest provider of wireless 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