X0201 52003-06-270100000350621C COR NET CORP ccbl0001130346ENG DAVID JC/O C-COR.NET CORP.60 DECIBEL ROADSTATE COLLEGEPA168010100Corporate VP- Americas Bus.Common Stock34066.114IBy TrustCommon Stock35682DPhantom Stock3Common Stock1824.1291824.129IBy TrustOptions3Common Stock230000230000DThe total holdings benefically owned indirectly by trust reported in Table I of this Form 5 show a total net decrease since the last report due to the addition of shares on various dates at various prices through C-COR.net Corp.'s 401K retirement plan and the reclassification of phantom stock units acquired under C-COR.net Corp.'s non-qualified retirement plan, that had been incorrectly reported on Table I as securities beneficially owned indireclty by trust. The reclassified phantom stock units are now correctly reported as derivatives in Table II of this Form 5.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.Not applicable. Date not yet known.Options (right to buy) acquired on various dates at various exercise prices through C-COR.net Corp.'s Incentive Plan. Various, according to the dates and terms of the individual grants comprising this holding.This Form 5 is submitted to correctly classify phantom stock units acquired on various dates at various prices under C-COR.net's non-quaified retirement plan as derivatives reportable on Table II rather than as securities shown in Table I, as previous reported.David J. Eng2003-08-11