C-COR Partners with Evertz to Exhibit High Quality HDTV Transport Solutions at NAB 2003.

Business Editors/High-Tech Writers

NAB2003

STATE COLLEGE, Pa.--(BUSINESS WIRE)--April 7, 2003

C-COR.net Corp. (Nasdaq:CCBL), a global provider of broadband communications products, software systems, and high-end technical services, will team with Evertz Microsystems Ltd., a worldwide broadcast equipment manufacturer, at the April 7-10, 2003 NAB (National Association of Broadcasters) Show in Las Vegas, Nevada, to present the latest advances in HDTV (high definition TV) video transport. With the growing usage of HDTV and the ensuing need by broadcasters, post-production houses, outdoor event providers, and large corporations to transport high-end, studio quality signals between facilities and in the metro space, C-COR and Evertz have partnered to offer attractive solutions for transporting HDTV signals no matter what the bit rate or format.

HDTV Transport Solutions

Visitors to C-COR's booth (#C4308) will see the enhanced capabilities of the Company's DV6000(TM) digital transport product line in offering an end-to-end integrated transport and switching solution for both standard and high definition TV--a solution that maintains high quality signals while minimizing space requirements and cost. C-COR will have on display several products that together support the transport of HDTV from fully compressed SMPTE 310 signals to uncompressed 1.5 Gb/s HDTV. These products include:

-- C-COR's new DV6101MASI and DV6102MASI modules that interface

multiple DVB-ASI signals as well as a SMPTE 310 signal to the

DV6000 for transport.

-- The Evertz 7707EO-HD and 7707OE-HD modules that optically

transport HDTV signals from 19.4 Mb/s to 1.5 Gb/s.

-- The Evertz 7770CS-HD HDTV Compression CODEC and 7770DS-HD HDTV

Decompression CODEC that use HDCAM compression, an industry

standard, high quality production format, and interface with

the DV6000 platform to transport contribution quality HDTV

signals.

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. During 2003, C-COR will be celebrating the Company's 50th anniversary with activities focused on linking its rich tradition of innovation, entrepreneurship, leadership, and commitment to the cable industry with its vision for the future. C-COR's common stock is listed on the Nasdaq National Market (Symbol: CCBL) and is a component of the Russell 2000 Stock Index.

About Evertz Microsystems Ltd. (www.evertz.com)

Founded in 1966, Evertz is a globally recognized leader in the design and manufacture of broadcast, film production, and post-production equipment for the film and television broadcast industries. Product offerings span the timecode, production, film post-production, closed captioning, SDI/601, HDTV, and fiber optics spectrum.