0000950129-05-005878 Sample Contracts

FOURTH AMENDMENT TO LEASE (CALABASAS TECH CENTER)
Lease • June 1st, 2005 • Tekelec • Radio & tv broadcasting & communications equipment

THIS FOURTH AMENDMENT TO LEASE (“Fourth Amendment”) is made and entered into as of the 24th day of May, 2005, by and between ARDEN REALTY LIMITED PARTNERSHIP, a Maryland limited partnership (“Landlord”) and TEKELEC, a California corporation (“Tenant”).