THIRD AMENDMENT TO LEASE
THIS THIRD AMENDMENT TO LEASE (“Third Amendment”) is made and entered into this 14 day
of June, 2007 (“Amendment Date”) by and between Saul Holdings Limited Partnership as successor-in-interest
to B. F. Saul Real Estate Investment Trust (hereinafter referred to as “Landlord”) and SeraCare Life Sciences,
Inc., a Delaware corporation, as successor-in-interest to BBI-Biotech Research Laboratories, Inc. (hereinafter
referred to as “Tenant”).
WHEREAS , Landlord and Tenant have entered into that certain Lease dated May 16, 1997, as amended
by that certain First Amendment to Lease dated October 14, 1997, that certain Letter Agreement dated
October 15, 1997, that certain Second Amendment to Lease dated December 9, 1997, and that certain Letter
Agreement dated June 18, 1998 (collectively, the “Lease”) for approximately 36,304 square feet of space in the
Avenel Business Park, Phase IV Building located at 215 Perry Parkway, Gaithersburg, Maryland 20878; and
WHEREAS , the parties hereto desire to enter into this Third Amendment for the purposes hereinafter set
NOW, THEREFORE , in consideration of the premises and other good and valuable consideration, the
receipt and sufficiency of which is hereby acknowledged, the parties hereto agree as follows:
1. TERM. Article 2 of the Lease captioned “Term” is hereby amended to provide that the term of the Lease
shall be extended for an additional period of one hundred twenty (120) months, commencing on November 1,
2007 (the “Renewal Date”) and ending on October 31, 2017.
2. BASE RENT.
(a) As of the Renewal Date, paragraphs (i) through (x) of Article 3(a) of the Lease are deleted and replaced
with the following:
(i) Tenant shall pay Base Rent in the amount of Six Hundred Sixty-Two Thousand Five Hundred Forty-
Eight and No/100 Dollars ($662,548.00) per year in equal monthly installments of Fifty-Five Thousand Two
Hundred Twelve and 33/100 Dollars ($55,212.33) each for the pe