X0201 42003-12-0100000350621C COR NET CORP ccbl0001130345BEAHM MARY GC/O C-COR.NET CORP.60 DECIBEL ROADSTATE COLLEGEPA168010100Corporate VP - Human ResourcesCommon Stock2003-12-014M010400.00006.8750A10400.0000DCommon Stock2003-12-014S010400.000012.0000D0DCommon Stock3065.1760IBy TrustOptions6.87502003-12-014M010400.00006.8750D2002-11-092006-11-08Common Stock10400.0000104350.0000DPhantom StockCommon Stock625.6120625.6120IBy TrustAcquired, pursuant to a 10b5-1 Sales Plan,through exercise of options acquired under C-COR.net Corp.'s Incentive Plan. Sold pursuant to a 10b5-1 Sales Plan.Shares acquired on various dates and at various prices through C-COR.net Corp.'s qualified (401K) retirement plan.Options (right to buy) acquired through C-COR.net Corp.'s Incentive Plan. Phantom Stock Unit acquired on various dates and at various prices through C-COR.net Corp.'s non-qualified retirement savings and profit sharing plan. Various, established on the date of each individual transaction under the retirement plan.Date not yet known. These derivatives are exercisable upon the participant's retirement and may be taken in the form of stock or in cash.Mary G. Beahm2003-12-02