EXHIBIT 10.23 CONDITIONAL CONSENT TO SUBLEASE ZETRON PROPERTIES, INC., being landlord ("Landlord") under terms of a lease dated April 20, 2000 (the "Master Lease") consents to a sublease (the "Sublease") from BLUE COAT SYSTEMS, INC., formerly...Conditional Consent to Sublease • December 16th, 2002 • Blue Coat Systems Inc • Computer storage devices • Washington
