Exhibit 10.13
AMENDMENT NO. 1
TO LEASE
THIS AMENDMENT NO . 1 is made and entered into this 16 th day of June, 1992, by and between JOHN ARRILLAGA ,
TRUSTEE , or his Successor Trustee UTA dated 7/20/77 (John Arrillaga Separate Property Trust) as amended, and
RICHARD T. PEERY, TRUSTEE , or his Successor Trustee UTA dated 7/20/77 (Richard T. Peery Separate Property Trust) as
amended, collectively as LANDLORD , and Synopsys, Inc., a Delaware corporation, as TENANT .
RECITALS
A. WHEREAS , by Lease Agreement dated August 17, 1990 Landlord leased to Tenant all of that certain 104,170± square
foot building located at 700C East Middlefield Rd., Mountain View, California, the details of which are more particularly set forth
in said August 17, 1990 Lease Agreement (the " Lease "), and
B. WHEREAS , said Lease was amended by the Commencement Letter dated April 1, 1991 which amended the
commencement date of the Lease to commence March 15, 1991 and terminate March 14, 1999, and
C. WHEREAS , on even date herewith the Landlord and Tenant are entering into a Lease Agreement for that certain
104,170± square foot building located at 700B East Middlefield Rd., Mountain View, California, (the " Building B Lease
Agreement "), and
D. WHEREAS , it is now the desire of the parties hereto to amend the Lease by extending the Term of the Lease to be co-
terminous with the term of the Building B Lease Agreement which extension is projected to be one year seven months eighteen
days, amending the Basic Rent, Paragraph 31 " Notices " and Paragraph 51 " Hazardous Materials " of the Lease Agreement
and replacing the existing Exhibit A to said Lease with the Revised Exhibit A to Lease Agreement dated August 17, 1990 as
hereinafter set forth.
AGREEMENT
NOW THEREFORE , for valuable consideration, receipt of which is hereby acknowledged, and in consideration of the
hereinafter mutual promises, the parties hereto do agree as follows:
1.