Investor Conference Call Scheduled

Atlantic Tele-Network, Inc. (NASDAQ: ATNI) announced today that it will report results for the first quarter ended March 31, 2009 on Wednesday, April 29, 2009, at approximately 5:00 p.m. (EDT).

In addition, the Company will host a conference call to discuss its first quarter results with investors at 9:30 a.m. (EDT) on Thursday, April 30, 2009. 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. (NASDAQ:ATNI) is a telecommunications company headquartered in Salem, Massachusetts. Its principal subsidiaries include: Guyana Telephone and Telegraph Company, Limited, which is the national telephone service provider for all local, long-distance and international services, as well as a wireless service provider in Guyana; Commnet Wireless, LLC, which provides voice and data wireless roaming services for U.S. and international carriers in rural areas throughout the United States; Bermuda Digital Communications Ltd., which is the leading provider of wireless voice and data services in Bermuda operating as Cellular One, and an early-stage wireless provider in Turks & Caicos; Sovernet, Inc., which provides wireline voice and data services to businesses and homes in New England and high capacity communications network transport services in New York State; and Choice Communications, LLC, which provides wireless television and wireless broadband services in the U.S. Virgin Islands.

Atlantic Tele-Network, Inc.
Michael T. Prior, 978-619-1300
Chief Executive Officer
or
Justin D. Benincasa, 978-619-1300
Chief Financial Officer