Efficient Networks to Supply DSL Modems and Routers for Internet America's Texas Markets.

Fast-Growing ISP to Deploy Efficient's SpeedStream Digital Subscriber Line

Equipment

DALLAS, June 13 /PRNewswire/ --

Efficient Networks, Inc. (Nasdaq: EFNT), a worldwide developer and supplier of high-speed digital subscriber line (DSL) customer premises equipment (CPE) for the broadband access market, today announced that Internet America, Inc. (Nasdaq: GEEK) will distribute its SpeedStream(R) DSL modems and routers.

Internet America is one of the largest Internet service providers in Texas with 153,000 subscribers at March 31, 2000. The company offers a wide array of Internet services tailored to meet the needs of individuals and businesses.

"We expect to continue the rapid growth in our DSL subscriber base and are aligning ourselves with companies who can help us provision new customers quickly for high-quality, innovative new services," said Marc Ladin, Internet America's vice president of marketing. "Efficient is a company we believe we can count on to help us meet this goal."

"DSL's continued success hinges on ISPs providing their customers superior equipment and superior service," said Jeff Bergstrom, director of channel programs at Efficient Networks. "We're honored that Internet America chose Efficient Networks as the company best suited to help them win in the DSL marketplace."

As part of its business relationship with Efficient, Internet America will become a member of the Efficient SpeedStream Program (ESP). The program assists Efficient's customers in deploying DSL services with the industry- leading SpeedStream DSL CPE product line. SpeedStream products include easy- to-use modems, routers, and next-generation integrated access devices designed to provide the best installation and online experience available.

Efficient's ESP activities help Internet service providers, competitive local exchange carriers, and value-added resellers to accelerate the growth of their businesses in the broadband communications market. The program, which includes training, certification, and joint marketing activities, leverages the resources of Efficient to assist ESP members in expanding their market presence and reaching more customers.

About Internet America

Internet America is a leading Internet service provider primarily serving the Texas market. Based in Dallas, Internet America offers businesses and individuals a full range of Internet services, including dedicated high-speed access, dial-up access, DSL and web hosting. Internet America focuses on the speed and quality of its Internet services and its commitment to providing excellent customer care. Additional information on Internet America is available on the Company's web site at http://www.airmail.net.

About Efficient Networks

Efficient Networks, Inc., is leading provider of broadband access products that employ digital subscriber line (DSL) technology. Emphasizing ease of use, the company's SpeedStream family of DSL products provides high performance remote access for small and medium businesses, branch offices, telecommuters, and consumers. Working with DSL service providers worldwide, Efficient is enabling a new generation of broadband applications today. Efficient Networks is based in Dallas, Texas, with sales and support locations around the world. For more information, visit www.efficient.com.

This press release may contain forward-looking statements (identified by words such as "expect" and "believe") relating to future financial results or business expectations, which are subject to the many uncertainties that exist in Internet America's operations and business environment. Business plans may change as circumstances warrant and actual results may differ materially as a result of a number of risk factors. These risk factors include, without limitation, that Internet America (1) will not retain or grow its customer base, (2) will not be competitive with existing or new competitors, (3) will not keep up with industry pricing and technology trends and evolving industry standards, and (4) will be adversely affected by general economic and business conditions. This is not intended to represent a complete list of all risks and uncertainties and thus, should be read in conjunction with the more detailed cautionary statements included in Internet America's most recent SEC filings.

Efficient Networks, its logos and SpeedStream are registered trademarks of Efficient Networks, Inc. Other company, brand and product names are trademarks of their respective holders.