Broadwing Communications Selected as a Certified Vendor for General Motors Dealer Equipment

AUSTIN, Texas--Aug. 6, 2004--Broadwing Communications, LLC, a consolidated subsidiary of Corvis Corporation , today announced that it has been approved by General Motors Dealer Equipment, as one of its certified IP vendors for its 6900 plus dealerships across the United States.

General Motors Dealers will be able to use Broadwing's award-winning IP backbone and all-optical network for its critical data services, including high-speed Internet access, connecting dealers across the country with General Motors' applications. Broadwing has already begun rolling out services to select General Motors dealerships nationwide.

"Broadwing has a great reputation for its network reliability and considerable geographic reach," said Sue Sulewski from General Motors Dealer Equipment. "We have conducted the due diligence to insure that our dealers will be pleased with the quality of service Broadwing is able to provide. We are pleased to add them to our list of certified vendors."

"We are delighted to have been selected as a certified vendor by General Motors Dealer Equipment," said Richard Putt, president of National Accounts at Broadwing. "We look forward to a long and successful relationship with this global leader, and to expanding the products and services we are able to offer its dealers."

Investor Note Regarding Forward-Looking Statements

Statements in this press release regarding Broadwing Communications, LLC that are not statements of historical fact may include forward-looking statements, and statements regarding Broadwing Communications' beliefs, plans, expectations or intentions regarding the future are 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. All such forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Broadwing Communications' actual results could differ materially from these statements.

Corvis and its logo and Broadwing and its logo are trademarks and/or service marks of Broadwing Communications, LLC and/or Corvis Corporation. All trademarks and service marks not belonging to Corvis or Broadwing are the property of their respective owners.

About Broadwing

Broadwing Communications, LLC is an innovative provider of data, voice, and video solutions to enterprise, strategic service provider, mid-market and government customers. Enabled by its one-of-a-kind, all-optical network and award-winning IP backbone, Broadwing offers a full suite of the highest quality communications products and services, with unparalleled customer focus and speed. Broadwing is a consolidated subsidiary of Corvis Corporation, a leading supplier of all-optical solutions to service providers and government agencies. For more information, visit www.broadwing.com.