EXHIBIT 10.18
 
SECOND AMENDMENT TO LEASE
 
THIS SECOND AMENDMENT TO LEASE is dated for reference purposes only as September
26, 2001, and is part of that Lease dated September 27, 1999 together with the
Summary of Basic Lease Terms, the First Addendum To Lease, the Acceptance
Agreement, and the First Amendment to Lease dated May 2, 2001 thereto
(collectively, the “Lease”) by and between AMB PROPERTY, L.P., a Delaware
limited partnership (“Landlord”), and SONICWALL, INC., a California corporation
(“Tenant”), and is made with reference to the following facts:
 
A.    The Premises currently leased by Tenant pursuant to the Lease consists of
32,256 rentable square feet commonly known as 1160 Bordeaux Drive, Sunnyvale,
California and 12,584 rentable square feet commonly known as 155 B-2 Moffett
Park Drive, Sunnyvale, California.
 
B.    The Lease Term for said Premises currently expires on September 30, 2004.
 
C.    Tenant and Landlord have agreed to expand the square footage of said
Premises by 41,472 rentable square feet as shown on “Exhibit A” attached hereto
and incorporated herein by reference as the “Expansion Space”.
 
D.    Tenant and Landlord wish to amend the Lease on the Terms and Conditions
set forth in this Second Amendment to Lease.
 
NOW, THEREFORE, Landlord and Tenant hereby agree that the Lease Terms are
amended as follows:
 
1.    Premises: Article 1.2 is hereby amended to provide for the “Expansion
Space” of 41,472 rentable square feet, located at 1143 Borregas Avenue,
Sunnyvale, resulting in a total of 86,312 rentable square feet.
 
2.    Tenant’s Share: Article 1.5 is hereby amended to mean twenty-six and
40/100 percent (26.40%) of the Industrial Center and one hundred and 00/100
percent (100%) of Building E.
 
3.    Tenant’s Allocated Parking Stalls: Tenant has the use of an additional 165
stalls for the “Expansion Space” for a total of 345 stalls.
 
4.    Lease Term: Article 1.3 is hereby amended to provide that the Lease Term
for the “Expansion Space” shall be coterminous with existing space ending
September 30, 2004.
 
5.    Base Monthly Rent: Commencing September 30, 2001, Article 1.4 is hereby
amended to provide for the Base Monthly Rent on the “Expansion Space” as
follows:
 
September 30, 2001 through and including December 31, 2001:
  
$ -0-
January 1, 2002 through and including December 31, 2002:
  
$62,208.00 per month
January 1, 2003 through and including December 31, 2003:
  
$64,696.32 per month
January 1, 2004 through and including September 30, 2004:
  
$67,284.17 per month

 
6.    Security Deposit: Article 1.7 is hereby amended to provide for an increase
in the Security Deposit of $62,208.00 which Tenant has provided Landlord upon
signature hereon, for a total of $147,593.02.
 
7.    Furniture and Telephone Equipment: The existing furniture and telephone
equipment currently in the Premises shall remain in the Premises and become the
property of the Tenant upon full execution of this Second Amendment to Lease.
 
8.    Retained Real Estate Brokers: Tenant is represented by BT Commercial and
Landlord is represented by Orchard Commercial, Inc. and Colliers International
for this Lease Amendment.

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9.    Condition of Premises: Tenant accepts the “Expansion Space” in their
“as-is” condition, with all latent and patent faults; however, Landlord shall
provide the Premises to Tenant with all electrical, plumbing, HVAC, and roof
systems in good working condition as of the Commencement Date.
 
10.    Tenant Improvements: Tenant, at Tenant’s sole cost and expense, shall
complete Landlord approved, and the City of Sunnyvale permitted Interior Tenant
Improvements. Tenant Improvements to include, but not limited to the following:
the demolition of existing walls and doors, the installation of suspended
acoustic ceiling and lighting, the installation of commercial grade carpet, and
the painting of interior walls.
 
11.    Heating Ventilation and Air Conditioning (HVAC): Landlord, at Landlord’s
sole cost and expense, shall install additional HVAC unit(s) necessary to
provide adequate air conditioning to the existing warehouse portion of the
Premises.
 
        12.    HVAC Repairs and Maintenance Costs and Obligations: Tenant will
be responsible for repair or replacements costs of up to Nine Thousand Dollars
($9,000.00) in the aggregate over the term of the Lease for each HVAC Unit
located on the Premises. Landlord shall be responsible for all repairs and/or
replacements in excess of the Nine Thousand Dollars ($9,000.00) incurred by the
Tenant over the term of the Lease. In the event repairs or replacements for an
individual HVAC Unit is necessary which would bring the amount of repair or
replacement costs to be paid by Tenant for such particular HVAC Unit to exceed
Nine Thousand Dollars ($9,000.00) in the aggregate over the term of the Lease,
Landlord shall (i) be responsible to pay for repair and maintenance of such HVAC
costing in excess of Nine Thousand Dollars ($9,000.00) and thereafter for the
remainder of the term of the Lease; or (ii) replace such HVAC Unit and amortize
the cost of such new HVAC Unit over a 20 year life, with Tenant reimbursing
Landlord as an Operating Expense for the amortized amount falling within the
remainder of the Lease Term.
 
13.    Signage: Tenant shall have the right to install signage in accordance
with Exhibit J of the Lease.
 
14.    Continuing Obligation: Except as expressly set forth in this Amendment,
all terms and conditions of the Lease remain in full force and effect, and all
terms and conditions of the Lease are incorporated herein as though set forth at
length.
 
15.    Effect of Amendment: This Amendment modifies the Lease. In the event of
any conflict or discrepancy between the Lease and/or any other previous
documents between the parties and the provisions of this Amendment, then the
provisions of this Amendment shall control. Except as modified herein, the Lease
shall remain in full force and effect.
 
16.    Authority: Each individual executing this Amendment on behalf of Tenant
represents and warrants that he or she is duly authorized to and does execute
and deliver this Amendment pursuant to express authority from Tenant pursuant to
and in accordance with the By-Laws and the other organic documents of the Tenant
corporation.
 
17.    Entire Agreement: The Lease, as modified by this Amendment, constitutes
and contains the entire agreement between the parties, and there are no binding
agreements or representations between the parties except as expressed herein.
Tenant acknowledges that neither Landlord nor Landlord’s Agents have made any
legally binding representations or warranties as to any matter except for such
matters binding representations or warranties as to any matter except for such
matters which are expressly set forth herein, including any representations or
warranties relating to the condition of the Premises or the improvements thereto
or the suitability of the Premises or the Project for Tenant’s business.

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IN WITNESS WHEREOF, Landlord and Tenant have executed this Second Amendment to
be effective as of the date first set forth above.
 
LANDLORD:
     
TENANT:
AMB PROPERTY, L.P.
a Delaware limited partnership
     
SonicWALL, INC
a California corporation
By:    AMB Property Corporation
          a Maryland corporation, its general partner
     
By:    /s/ Michael J. Sheridan

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By:    /s/ John L. Rossi

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Its: Senior Vice President
     
Michael J. Sheridan, COO

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[Print Name and Title]
       
By:

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[Print Name and Title]
Date:    9/27/01

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Date:    9/27/01

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