C-COR Signs National VAR Agreement With DF Countryman - Teaming Will Extend and Strengthen C-COR's Domestic Market Reach.

Business Editors

STATE COLLEGE, Pa.--(BUSINESS WIRE)--May 9, 2003

C-COR.net Corp. (Nasdaq:CCBL), a global provider of broadband communications products, software systems, and services, today announced that the Company has signed a VAR (Value-Added Reseller) agreement with DF Countryman, a nationally-known value-added distributor of broadband and fiber optic products with 40-plus years of experience in the industry. Under the agreement, DF Countryman will market C-COR's broadband product lines in the U.S. domestic market.

Commenting on the agreement, Rick Countryman, President of DF Countryman, stated, "We are pleased to execute this contract with C-COR. It follows and builds upon our successful 20-year relationship with Philips Broadband Networks, whom C-COR recently acquired. We see a solid market potential for C-COR's highly respected product lines not only among our existing clients, but also for new customer bases."

David Eng, C-COR's Corporate Vice President for Americas Business, concurred. "By working with DF Countryman, a distributor of national reputation and in-depth industry experience, we anticipate expanding our market reach, particularly out to the independent operators. We see the agreement as a win-win relationship."

About DF Countryman Company (www.dfcco.com)

DF Countryman is a value-added distributor of broadband and fiber optic communications products and services, servicing the cable communications and the telecommunications industries. Headquartered in Minneapolis, Minnesota since 1959, DF Countryman is a national provider of communication products. Plans for expansion to additional regions of the United States will enable DF Countryman to improve support for new and existing customers.

About C-COR (www.c-cor.net)

C-COR is a leading provider of premium quality, globally-oriented fiber optic, digital video transport, and RF telecommunication products; operation support software solutions; and high-end technical field services--all enabling cost-effective delivery of voice, video, and high-speed data over advanced HFC (Hybrid Fiber Coax) broadband networks. Headquartered in the U.S. with facilities worldwide, C-COR's mission is to provide our customers with second-to-none network integrity throughout the full network life cycle. C-COR's common stock is listed on the Nasdaq National Market (Symbol: CCBL) and is a component of the Russell 2000 Stock Index.

Some of the information presented in this announcement constitutes forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements represent the Company's judgment regarding future events, and are based on currently available information. Although the Company believes it has a reasonable basis for these forward-looking statements, the Company cannot guarantee their accuracy and actual results may differ materially from those the Company anticipated due to a number of uncertainties, many of which the Company is not aware. Factors which could cause actual results to differ from expectations include, among others, capital spending patterns of the communications industry, changes in regard to significant customers, the demand for network integrity, the trend toward more fiber in the network, the Company's ability to develop new and enhanced products, the Company's ability to provide complete network solutions, continued industry consolidation, the development of competing technology, the global demand for the Company's products and services, and the Company's ability to integrate acquisitions and achieve its strategic objectives. For additional information concerning these and other important factors that may cause the Company's actual results to differ materially from expectations and underlying assumptions, please refer to the reports filed by the Company with the Securities and Exchange Commission.