C-COR Announces Audio Webcast of Presentation at Emerald Groundhog Day Investment Forum.

Business Editors

STATE COLLEGE, Pa.--(BUSINESS WIRE)--Feb. 4, 2003

C-COR.net Corp. (Nasdaq:CCBL), a leading global provider of broadband products, software systems, and services, today announced that the Company will be presenting at the Tenth Annual Emerald Groundhog Day Investment Forum at the Wyndham Franklin Plaza Hotel in Philadelphia, Pennsylvania, on Thursday, February 6, 2003, at 8:10 AM (ET). The audio and slide presentation will be webcast live on February 6th, and as an on-demand replay running thereafter for 90 days. To listen to the live and replay audio and slide presentation webcast, please visit the C-COR Web site's home page at www.c-cor.net and click on the link under the Emerald Investment Forum icon. Alternatively, the live and replay webcast may be accessed directly over the Internet at http://www.precisionmedia.com/emerald/gd2003_schd.htm. RealPlayer is the required software plug-in for the live event.

Any questions regarding C-COR's participation in the Emerald Groundhog Day Investment Forum or access to the audio and slide presentation webcast should be directed to C-COR's Investor Relations Office at 814-231-4402 or 814-231-4438.

About C-COR

C-COR (www.c-cor.net) is a leading provider of premium quality, globally-oriented fiber optic, digital video transport, and RF telecommunication products; OSS (Operations Support System) management 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.