THIS LEASE AGREEMENT is made as of the 13th day of August, 1996, by and between, Professors Fund I,
L.P., Managing Agent for All Spectrum Services, Inc. ("Landlord") and IDEC Pharmaceuticals Corporation, a
California corporation ("Tenant"), who agree as follows:
ARTICLE 1. DEFINITIONS
As used herein, the following terms shall have the following meanings:
1.1 Premises: Approximately 44,754 square feet, consisting of the entire Building (which term is defined in Article
2 hereof) located at 3030 Callan Road, San Diego, California as depicted on Exhibit A attached hereto and
incorporated herein and shall include (1) the exclusive use of the loading dock shown on Exhibit A and (2) the
non-exclusive right to use the Common Areas. The term "Common Areas" is defined as all areas and facilities
outside the Premises and within the exterior boundary line of the Project that are provided and designated by
Landlord from time to time for the general non-exclusive use of Landlord, Tenant and other tenants of the Project
and their respective employees, suppliers, shippers, customers and invitees, including parking areas, trash areas,
roadways, sidewalks, walkways, parkways, driveways and landscaped areas, if any.
1.2 Property and Project: The real property on which the Building is located as described in Exhibit "A-1"
attached hereto and incorporated herein. The Project shall consist of the Property, the Building and the building
located at 3020 Callan Road containing approximately 46,172 square feet.
1.3 Term: Seven (7) years commencing on the Commencement Date.
1.4 Basic Rent: Shall refer to a monthly amount of $42,516.30 during the first twelve (12) months of the Lease
Term, which is subject to adjustments as set forth in Article 4 hereof.
1.5 Initial Direct Operating Expenses: Tenant shall pay its Pro-Rata Share of Direct Operating Expenses pursuant
to Section 4.3 below.
1.6 Tenant's Pro-Rata Share: 49.22% which percentage represents the proportion that the numbe