AUSTIN, Texas July 23, 2004-- Awarded for "Customer Insight" Leading to Expanded "Connect Family of Services" for Enterprises and Service Providers

Broadwing Communications, LLC, a consolidated subsidiary of Corvis Corporation (NASDAQ:CORV), today announced that it has received the Frost & Sullivan 2004 Product Line Strategy Leadership Award for its Connect Family of Services.

The unique Connect Family, enabled by Broadwing's one-of-a-kind, all-optical network, provides customers with a simple, scalable, secure and cost-effective means to satisfy a wide range of networking requirements. The Connect Family delivers advanced networking features, such as hub and spoke private line, disaster recovery, international connectivity and incremental bandwidth buying options to address the operational and cost challenges facing customers in today's marketplace.

Today's announcement recognizes the success of the Connect Family product line which has grown to include FrameConnect, MultiConnect ReDirect, MultiConnect International, CoreConnect and CoreConnect Flex. In 2002, Frost & Sullivan awarded Broadwing a Product Differentiation Innovation Award for the distance-insensitive, point-to-multipoint private line solution, MultiConnect.

"With the extended products in the Connect Family, Broadwing has successfully broadened its product line to meet the needs of a diverse array of customers, including enterprises, traditional wireline, wireless and international carriers," said Paul Waadevig, research analyst at Frost & Sullivan. "Broadwing has demonstrated its insight into customer needs and product demands and has optimized its product line by leveraging products with the various price, performance and feature points required by the market."

"We are honored to receive this distinction from Frost & Sullivan," said Mark Pugerude, senior vice president of Marketing and Business Development at Broadwing. "MultiConnect and the Connect Family of Services are setting a new standard for data networking and exemplify Broadwing's leadership in the development of precision engineered solutions to solve customers' complex communications challenges. "

Founded in 1961, Frost & Sullivan is recognized as a global leader in growth consulting. Frost & Sullivan awards are presented to companies that demonstrate excellence in their industry through diligence, commitment, and innovative business strategies required to advance in the global marketplace. Frost & Sullivan rigorously analyzes specific criteria to determine award recipients in a vast variety of market industries and landscapes. For further information, visit www.frost.com.

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, Broadwing and its logo, FrameConnect, MultiConnect ReDirect, MultiConnect International, CoreConnect, CoreConnect Flex, Connect Family and Connect Family of Services 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.