DSL.net Appoints Walter R. Keisch as Vice President, Finance and Lucie A. Poulicakos as Vice President, Customer Service & Support.

Business Editors

NEW HAVEN, Conn.--(BUSINESS WIRE)--May 24, 2001

DSL.net, Inc. (NASDAQ NM: DSLN), a direct provider of high-speed Internet access solutions for small- and medium-sized businesses, today announced two recent appointments to its senior management team.

Walter R. Keisch has been appointed vice president of finance. Mr. Keisch will have responsibility for all day-to-day financial operations of the Company and will report directly to Keith Markley, president and chief operating officer of DSL.net. He will be heavily involved in the Company's financing efforts.

"Walter brings a wealth of diversified financial expertise to DSL.net," said DSL.net's president Keith Markley. "His experience will be a valuable asset to our future success as we leverage our unique business model to build a market leadership position in the DSL space and aggressively pursue additional financing channels to stimulate additional growth."

As vice president of customer service and support, Ms. Poulicakos will be responsible for all aspects of service operations, customer retention and relationship management. Ms. Poulicakos joins DSL.net from Covad Communications, where she was director of customer support, responsible for ISP wholesaling activities.

"We're thrilled to have an outstanding individual such as Lucie join our senior management team," said Markley. "Her keen business instincts and motivational skills will be a great benefit to our organization as we work to seize the opportunities created in this challenging marketplace."

About DSL.net

Based in New Haven, Conn., DSL.net, Inc. is a high-speed data communications and Internet access provider that uses digital subscriber line technology to provide high-speed Internet access solutions to small- and medium-sized businesses throughout the United States. DSL.net allows smaller businesses to migrate their operations online and more effectively compete in the Internet economy. As of March 31, 2001, DSL.net provided service or had installed equipment in over 375 cities. For more information on DSL.net, visit www.dsl.net, e-mail [e-mail], or call 1-877-DSL-NET1 (1-877-375-6381).

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements include, among others, statements regarding DSL.net's forecasts of financial and operating plans and results and DSL line installations. These statements and other forward-looking statements are subject to a variety of risks and uncertainties, many of which are beyond DSL.net's control, which could cause actual results to differ materially from those contemplated in these forward-looking statements. In particular, the risks and uncertainties include, among other things, (i) fluctuations in DSL.net's quarterly operating results, which could adversely effect the price of its common stock; (ii) DSL.net's unproven business model, which may not be successful; (iii) DSL.net's ability to execute its business plan in a timely manner to generate the forecasted financial and operating results, which may not be achieved if DSL.net's sales force is not able to generate sufficient sales to customers or if DSL.net is not able to install and commence service for customers in a timely manner; (iv) DSL.net's need for additional funds during 2001, which may not be available on acceptable terms or at all, which could adversely impact DSL.net's ability to implement its business plan and continue as a going concern, and which has resulted in DSL.net's independent accountants including a "going concern" qualification in their audit report on DSL.net's 2000 financial statements; (v) risks associated with acquisitions, including difficulties in identifying and completing acquisitions, integrating acquired businesses or assets and realizing the revenue, earnings or synergies anticipated from any acquisitions; (vi) the challenges relating to the timely installation of service for customers, including DSL.net's dependence on traditional telephone companies to provide acceptable telephone lines in a timely manner; (vii) DSL.net's dependence on wholesale DSL providers to provide it with local DSL facilities in areas where it has not deployed its own DSL equipment; (viii) the need for DSL.net to achieve sustained market acceptance of its services at desired pricing levels; (ix) competition; (x) DSL.net's extremely limited operating history, which makes it difficult to evaluate its business and prospects; (xi) the difficulty of predicting the new and rapidly evolving high-speed data communications industry; (xii) DSL.net's ability to negotiate, enter into and renew interconnection and collocation agreements with traditional telephone companies; (xiii) regulatory, legislative, and judicial developments, which could adversely affect the way DSL.net operates its business; and (xiv) DSL.net's ability to recruit and retain qualified personnel, establish the necessary infrastructure to support its business, and manage the growth of its operations. Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. DSL.net undertakes no obligation, and disclaims any obligation, to update or revise the information contained in this press release, whether as a result of new information, future events or circumstances or otherwise. For additional information regarding these and other risks faced by DSL.net, see the disclosure contained under "Risk Factors" in DSL.net's Annual Report on Form 10-K for the year ended December 31, 2000, which has been filed with the Securities and Exchange Commission.

DSL.net's authority to provide certain regulated services is held by its subsidiary companies.

DSL.net is a trademark of DSL.net, Inc.