ATSI Communications Ranks 383 on Deloitte '2008 Technology Fast 500' Annual List of Fastest Growing North American Companies

ATSI Communications, Inc. (OTCBB: ATSX) was ranked 383 by Deloitte in the '2008 Technology Fast 500' for the fastest growing companies in North America. The theme of this year's list was "Driven by Instinct, Powered by Success." ATSI was the only San Antonio Company on the list and among 39 from the State of Texas. The 'Fast 500' includes technology, media, telecommunications and life sciences companies in North America and is based on percentage fiscal year revenue growth over five years (2003-2007). ATSI recorded 356.07% revenue growth over this time period.

Art Smith, CEO of ATSI, exclaimed, "What a nice victory and compliment to our team. The past five years were a lot of hard work for our exceptional management team and employees. This recognition certainly is a gratifying reward for their tireless efforts and dedication to the Company and its shareholders."

ATSI Communications, Inc. operates through its wholly owned subsidiary, Digerati Networks, Inc. Digerati Networks is a premier global VoIP carrier serving rapidly expanding markets in Asia, Europe, the Middle East, and Latin America, with an emphasis on Mexico. Through Digerati's partnerships with established foreign carriers and network operators, interconnection and service agreements, and a NextPoint powered VoIP network, ATSI believes it has clear advantages over its competition. ATSI also owns a minority interest of a subsidiary in Mexico, ATSI Comunicaciones, S.A. de C.V., which operates under a 30-year government issued telecommunications license.

The information in this news release includes certain forward-looking statements that are based upon management's expectations and assumptions about certain risks and uncertainties that can affect future events. Although management believes these assumptions and expectations to be reasonable on the date of this news release, these risks and uncertainties may cause actual events to differ material from managements those contained in this news release. The risks and uncertainties include, but are not limited to, continuing as a going concern, availability and cost of our present vendors and suppliers, and absence of any change in government regulations or other costs associated with data transmission over the Internet or termination of transmissions in foreign countries.