Atlantic Tele-Network, Inc. Announces 16.7% Increase in Quarterly Dividend and New Officers.

Business Editors

ST. THOMAS, U.S. Virgin Islands--(BUSINESS WIRE)-- March 10, 2000

Atlantic Tele-Network, Inc. (AMEX:ANK), announced that its Board of Directors today declared a quarterly dividend of $0.175 per share payable on April 7, 2000 on all its common shares outstanding to shareholders of record as of March 31, 2000.

Cornelius B. Prior, Jr., Chairman of the Board of Directors and Chief Executive Officer of Atlantic Tele-Network stated, "I am pleased to note that today's dividend represents a 16.7% increase in the quarterly dividend of $0.15 per share, which Atlantic Tele-Network has been paying on its common stock since it resumed paying cash dividends in the fourth quarter of 1998."

In separate developments, Atlantic Tele-Network announced that the Board of Directors of its subsidiary, Guyana Telephone & Telegraph Company Ltd., had elected Sonita Jagan to be the sole General Manager of GT&T and that ATN's board had elected Lewis A. Stern as Vice President-Finance and Chief Financial Officer and Richard A. Hanscom as Vice President-Technology. Steven M. Ross, who has served as Acting Chief Financial Officer since July 1999, continues as Treasurer and Chief Accounting Officer.

Ms. Jagan has been affiliated with GT&T since 1993. She has been one of three Co-General Managers since May 1999.

Mr. Stern, recently retired as a partner in the law firm of Fried, Frank, Harris, Shriver & Jacobson, in which capacity he represented ATN and a number of its subsidiaries in many matters since the organization of ATN in 1987.

Mr. Hanscom has been affiliated with ATN since its organization in 1987 and prior to that time had over 25 years of telecommunications experience with ITT Corporation.

Mr. Ross has been an accounting executive with ATN since 1993.

Atlantic Tele-Network, Inc. is a telecommunications company with headquarters in St. Thomas, U.S. Virgin Islands. The Company's principal subsidiary, GT&T, is the national telephone service provider in the Cooperative Republic of Guyana for all local, long-distance and international service. ATN recently acquired Wireless World, LLC the largest internet service provider in the United States Virgin Islands. ATN also owns an 80% interest in Digicom S.A., which provides dispatch radio, wireless data network and paging services in Haiti, and 30% of Bermuda Digital Communications Ltd., which operates under the name "Cellular One" and is the sole cellular and PCS competitor to the Bermuda Telephone Company.