DSL.net Reaches 300 City Milestone; Broadband Data and Internet Service Available to Businesses in 45 States.

Business & Technology Editors

NEW HAVEN, Conn.--(BUSINESS WIRE)--June 19, 2000

DSL.net, Inc. (NASDAQ: DSLN), a direct national provider of high-speed data communications and Internet solutions for businesses, today announced that it is offering digital subscriber line (DSL) service in 300 cities in 45 states. This achievement gives DSL.net one of the broadest operational footprints of any business-oriented DSL provider in the United States.

"Reaching this milestone puts DSL.net at the forefront of national broadband companies with a focus on, and a direct relationship with, business customers," said David F. Struwas, president and chief executive officer of DSL.net. "To attain operational status in 300 cities less than six months after crossing the 100-city threshold is a testament to the dedication and enthusiasm of all DSL.net employees. It is also a powerful validation of our strategy to bring high-quality broadband access and services to cities throughout the U.S."

DSL.net provides a business-class DSL connection that enables growing companies to become more productive and efficient, and allows them to take advantage of Internet applications and Web-based services once only available to large corporations. DSL.net's high-performance network, direct-to-customer sales and support model, and broad national footprint make it a key partner to leading business solution providers who are looking to offer on-line applications and services to emerging enterprises.

Benefits of DSL.net's business-class broadband service include:

-- Professional installation and fully supported customer premise equipment,
reducing the need for in-house technical resources.

-- An "always on" broadband link to the Internet using standard copper
telephone wire. DSL.net provides guaranteed access speeds of up to 1.5 Mbps and
monitors the service performance around-the-clock through its dedicated Network
Operations Center.

-- An affordable, flat rate, unlimited-usage service with no costly and
unpredictable per-minute fees.

-- DSL.net's private peering relationships and status as a national Internet
service provider (ISP), offering customers a fast, "one-hop" connection to the
Internet.

-- Static IP addresses and domain name registration and management, providing
small businesses with their own "dot-com" Internet presence for increased
marketing visibility.

-- Optional services including enhanced e-mail capabilities, Web hosting,
dedicated hosting, USENET news and a variety of powerful,
productivity-enhancing on-line business applications and services offered by
DSL.net and its partners such as ADP.

For information regarding DSL.net service availability, visit http://www.dsl.net, e-mail [e-mail], or call 1-877-DSL-NET1 (1-877-375-6381).

About DSL.net

Based in New Haven, Conn., DSL.net, Inc. is a high-speed data communications and Internet solutions provider that uses digital subscriber line technology to provide high-speed Internet access to small and medium-sized businesses, primarily in second- and third-tier cities throughout the United States. As of June 19, 2000, DSL.net provides service in 300 cities in 45 states. For more information regarding DSL.net solutions and services visit http://www.dsl.net, e-mail [e-mail], or call 1-877-DSL-NET1 (1-877-375-6381).

DSL.net's authority to provide certain regulated services is held by its subsidiary companies. DSL.net is a trademark of DSL.net, Inc. Other product and company names herein may be trademarks of their respective owners.