DSL.net Expands Integrated Voice and Data Offerings Over T-1, SDSL Platforms and Adds Unlimited Calling.

Business Editors

NEW HAVEN, Conn.--(BUSINESS WIRE)--Dec. 2, 2003

Company Now Provides 17 Bundles with 2 to 16 Telephone Lines

DSL.net, Inc. (NASDAQ: DSLN), a leading nationwide provider of broadband communications services to businesses, said today that its NETgain One integrated voice and data service offerings have been expanded from two to 17 bundled packages over T-1 and business-class DSL platforms with speeds up to 1.5 Mbps. All bundled services now include unlimited local and domestic long-distance calling, while each bundle varies by number of phone lines and broadband speeds.

The expanded service offerings were launched this week in the Washington, D.C., metro region, including parts of Maryland and Virginia. Previously, the NETgain One voice and data service was offered only over a T-1 line in a bundle of either eight or 16 phone lines. The new bundles, which now include DSL offerings, range from two to 16 phone lines to meet the voice and data needs of a variety of small and medium-sized businesses. A variety of voice and data optional services are also available for each bundle.

"We believe this is the most comprehensive set of integrated voice and data offerings in the industry," said Keith Markley, president and chief operating officer of DSL.net. "By also providing voice and data over a DSL platform, we have dramatically increased our addressable market for bundled services. In addition, we now have a very strong suite of voice and data products to roll out in early 2004 in New York City - followed later in the year by launches in Boston, Northern New Jersey and Connecticut. All of these markets have some of the densest concentrations of businesses in the country and we believe they present a considerable growth opportunity for our expanded voice and data services."

During the third quarter of 2003, DSL.net acquired certain network assets and related subscriber lines of TalkingNets, which provided a T-1-based voice and data service to business customers in the D.C. area. DSL.net has consolidated that voice and data platform into its own broadband network as part of an effort to meet the growing demand by business customers for bundled communications services.

"By bundling services, small and medium businesses will be able to realize significant savings in local and long-distance calling and receive a secure, reliable, high-quality business-class broadband connection for all their data needs," said Ray Allieri, senior vice president of sales and marketing of DSL.net. "Customers can keep their existing phone number and phone systems. Our sales force is very excited about the opportunity to sell these integrated services to new customers. We also can market these bundles to our existing customer base and offer our loyal customers the chance to save on their phone bills."

About DSL.net

DSL.net, Inc. is a leading nationwide provider of broadband communications services to businesses. The Company combines its own facilities, nationwide network infrastructure and Internet Service Provider (ISP) capabilities to provide high-speed Internet access, private network solutions and value-added services directly to small- and medium-sized businesses or larger enterprises looking to connect multiple locations. DSL.net product offerings include T-1 and business-class DSL services, virtual private networks (VPNs), frame relay, Web hosting, DNS management, enhanced e-mail, online data backup and recovery services, firewalls and nationwide dial-up services, as well as integrated voice and data offerings in select markets. For more information, 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 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) the marketplace's receptiveness to DSL.net's offering of integrated voice and data services; (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 sufficient revenue, contain certain discretionary spending or achieve certain other business plan objectives; (iv) risks associated with the possible removal of DSL.net's common stock from the Nasdaq SmallCap Market, which removal could adversely impact the pricing and trading of DSL.net's common stock; (v) regulatory, legislative and judicial developments, which could adversely affect the way DSL.net operates its business; (vi) 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; (vii) competition; (viii) the risk that the conditions required for the issuance of the remaining warrants to purchase shares of DSL.net's common stock in the Deutsche Bank-led financing are not satisfied or waived by January 14, 2004, in which case DSL.net may be obligated to then repay the $30 million raised in such financing; and (ix) DSL.net's dependence on wholesale providers to provide it with local DSL and T-1 facilities in areas where it has not deployed its own equipment. 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, 2002, which has been filed with the Securities and Exchange Commission.

NETgain One bundles with unlimited local and domestic long-distance calling are not available to certain high-volume category users (e.g., telemarketing agencies). Additional service charges may apply for non-permitted usage.

DSL.net is a trademark of DSL.net, Inc. Other company names may be trademarks of their respective owners.