THIRD AMENDMENT TO NEW LEASE
This Third Amendment to New Lease (this "Amendment") is entered into as of the __ 5th __ day of _ February _, 2003
(the "Execution Date"), by and between Metropolitan Life Insurance Company, a New York corporation ("Landlord")
and Pharmacyclics, Inc., a Delaware corporation ("Tenant").
A. Landlord and Tenant entered into that certain Lease and Lease Termination Agreement dated as of June 14, 2000
(the "New Lease") and that certain First Amendment to New Lease dated as of April 10, 2001 (the "First
Amendment") and that certain Second Amendment to New Lease dated as of June 29, 2001 for the premises more
particularly described therein ("Original Premises"). The New Lease as amended by the First Amendment is referred
to herein as the "Existing Lease."
B. Tenant desires to provide for an extension of the Lease Term, surrender a portion of the Original Premises and
other amendments of the Existing Lease as more particularly set forth below.
Now, therefore, Landlord and Tenant hereby agree as follows:
1. Scope of Amendment; Defined Terms . Except as expressly provided in this Amendment, the Existing Lease shall
remain in full force and effect. Should any inconsistency arise between this Amendment and the Existing Lease as to
the specific matters which are the subject of this Amendment, the terms and conditions of this Amendment shall
control. The term "Lease" as used herein shall refer to the Existing Lease as modified by this Amendment, except as
expressly provided in this Amendment. All capitalized terms used in this Amendment and not defined herein shall
have the meanings set forth in the Existing Lease unless the context clearly requires otherwise.
2. Surrender of portion of Original Premises .
(a) Surrender Date . On or before 11:59 p.m. on the date that is sixty (60) days after the Execution
Date (the "Surrender Date"), Tenant shall vacate and deliver to Landlord exclusive possession of that
portion of the Original