Document:

SUBLEASE AGREEMENT

SUBLEASE AGREEMENT

           
THIS SUBLEASE AGREEMENT (“Sublease”) is entered into as
of this 2nd day of August, 2002, by and between
The Titan Corporation, a Delaware corporation
(“Sublandlord”), and SureBeam Corporation, a Delaware
corporation (“Subtenant”)

RECITALS

A.       
Sublandlordis the tenant under that certain Lease by and
between COOPERATIVE REAL ESTATE INVESTMENT COMPANY (CREIC),
(Limited Liability Company) duly registered as per SAUDI LAW, as
landlord (“Master Landlord”), and Sublandlord, as
tenant, dated January 15, 2001 corresponding to
20/10/1421(such lease, as it may be
amended from time to time, the “Master Lease”), for certain space consisting of
approximately 133 square meters and located at King Fahed Road,
North to King Fahed Library, Olaya Area, Riyadh, Kingdom of Saudi
Arabia, in the building commonly known as Abraj Atta’awuneya
(the “Premises”).

B.        
Subtenant wishes to sublease a portion of the
Premises from Sublandlord.

           
Now, therefore, for good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties
hereby agree as follows:

1.        
Basic Sublease Information.

The information set forth
in this Section (the “Basic Sublease Information”) is
intended to supplement and/or summarize the provisions set forth in
the balance of this Sublease.  Each reference in this Sublease
to any of the terms set forth below shall mean the respective
information set forth next to such term as amplified, construed or
supplemented by the particular Section(s) of the Sublease pertaining to such
information.  In the event of a conflict between the
provisions of this Section and the balance of the Sublease, the
balance of the Sublease shall control.

	
Sublandlord:

	
The Titan Corporation, a
Delaware corporation

		
	
Sublandlord’s
Address

 for Notices:

	
The Titan
Corporation

3033 Science Park
Road

San Diego, CA
92122

Attn: Real
Estate

(858) 552 -
9500

		
	
Subtenant:

	
                       
SureBeam Corporation, a
Delaware corporation

		
	
Subtenant’s Address

 for Notices:

	
                       
SureBeam Corporation

9276 Scranton Road,
Suite 600

San Diego, CA
92121

Attn: Jerry
Nelson

(858)
795-6234

9276
Scranton

		
	
Premises:

	
Approximately 133 square
meters.

		
	
Building:

	
Abraj
Atta’awuneya

King Fahed Road, North to
King Fahed Library

Olaya Area,
Riyadh

Kingdom of Saudi
Arabia

		
	
Permitted
Use:

	
As specified in Clause
I 1. of the Master Lease as private
office.

		
	
Base
Rent:

	
Ninety Thousand Saudi
Riyals (SR 90,000) annually in accordance with Section 5
hereof.

		
	
Commencement
Date:

	
The term of the Sublease
shall commence on August 2, 2002 (such
later date, the “Commencement Date”).  

		
	
Expiration
Date:

	
The Expiration Date shall be February 14, 2003,
or such earlier date, if any, on which the Master Lease is
terminated or expires or this Sublease is terminated pursuant to
the terms herein.

		
	
Subtenant’s
Insurance:

	
Specified and as required
in Clause XI 7. of the Master Lease.

		
	
Security
Deposit:

	
Eighteen Thousand Saudi
Riyalsas set forth in Clause IV
of the Master Lease and Section 14 hereof.

2.        
Sublease.

Sublandlord hereby subleases to Subtenant, and
Subtenanthereby
subleases from Sublandlord, the Premises upon all of the terms,
covenants and conditions in this Sublease.

3.        
Delivery Condition.

Subtenant acknowledges that it takes possession of the Premises in its “as is”
condition, and further acknowledges that Sublandlordhas made no representations or warranties of any
kind or nature, whether express or implied, with respect to the
Premises, the remainder of the Premises, the common areas, or the
Building, nor has Sublandlord agreed to undertake
or perform any modifications, alterations, or improvements to the
Premises, the remainder of the Premises, the common areas or the
Building which would inure to Subtenant’s benefit. 

           
4.        
Term.

4.1      
Term.  The term (the “Term”) of this
Subleaseshall commence on the Commencement Date, and shall
end on the Expiration Date. 

4.2      
Surrender.  Subtenant shall, on or before the Expiration
Date, remove all personal property, furniture, trade fixtures and
other equipment,provided that the
removal of the same does not adversely affect the
Building structure or any Building operating system or is not
prohibited by the Master Lease, and that Subtenantpromptly repairs any damage to
the Building structure or its operating systems caused by such
removal pursuant to the requirements of the Master Lease.  In
the event that Subtenantfails to remove any such items as
required by this Section 4.2 by the Expiration Date, all such items
remaining on the Premises after the Expiration Date shall be deemed
abandoned and
Sublandlordmay dispose of such items as
it sees fit, without liability to
Subtenant.  Subtenant shall also be
responsible for the removal, on or before the Expiration Date, of
all alterations as required under the Master Lease installed by
Subtenant pursuant to this Sublease and shall be responsible for
any associated repair or restoration of the Premises required under
the Master Lease.  In all other respects, Subtenant shall deliver the Premises broom
clean, in its condition as of the Commencement Date, reasonable
wear and tear and casualty excepted.  In no event shall
Subtenantremove any of the plumbing,
electrical, data lines, and HVAC system(s), except as otherwise
required pursuant to this Section 4.2.

Subtenant shall vacate and deliver possession
of the Premises free of all liens, charges or encumbrances
resulting from any act or omission on Subtenant’spart, and free and clear of any and all violations
of any law, rule or regulation of any federal, state, municipal or
other agency or authority by reason of Subtenant’s actions or failures to
fulfill any of its obligations under this Sublease
(“Violations”).  Subtenantshall indemnify Sublandlord against any and all loss, expense, damage, costs or
attorneys’ fees arising out of Violations
occurring any time on or after the Commencement Date.  The
voluntary or other surrender of this Sublease by Subtenant,or a
mutual cancellation thereof, shall not automatically terminate any
sub-subleases or sub-subtenancies or other agreements by which
Subtenant has granted rights to third parties to all or any part of
the Premises, but shall, at the option of Sublandlord,either (1) terminate all or any existing
sub-subleases or sub-subtenancies or such other agreements, or (2) operate as an assignment to Sublandlordof any or all such sub-subleases or
sub-subtenancies or such other agreements.

4.3      
Holding Over. 
If Subtenant remains in possession of the Premises after the
Expiration Date, such occupancy shall constitute a tenancy at
sufferance, and Subtenantshall be obligated to pay 200% of
the rental installments as specified in Section 5 of this Sublease and Subtenantshall be liable to
Sublandlordfor any and all claims, damages, liabilities,
costs and expenses (including attorneys’ fees and expenses)
incurred by Sublandlordand arising out of Subtenant’s
failure to timely surrender the Premises in accordance with the
requirements of this Sublease, including, without limitation those
incurred by Sublandlord arising under the Master Lease.

5.        
Rent.

As used in this Sublease,
the term “Rent” shall include (1) Base Rent and (2) all other amounts which Subtenantis
obligated to pay under the terms of this Sublease.

5.1      
Rent.  The current Base Rent is as
specified in Section 1 (Basic Sublease Information), which
Sublandlord and Subtenant hereby acknowledge that Subtenant has
tendered payment and for the current “lease
period”.  Any rents or other charges pursuant to this
Sublease shall be paid by Subtenant to the Master Landlord for the
Sublandlord as due, in advance, without offset or deductions,
within one week of the Due Date.  Base Rent for any partial
calendar year of the Term, to the extent applicable, shall be
pro-rated based on the number of days in that month falling within
the Term.  Subtenantshall also be solely responsible for
any and all increases in Rent or any added cost or charge which has
arisen solely because of Subtenant’s tenancy in the Premises, including, without
limitation, any and all heat, water and sewer charges, electric and
other utility charges, as well as any other service charges
required by the Master Lease and relating to the Premises and/or
Subtenant’s occupation thereof that are not already then
covered by the Base Rent (as defined in the Master Lease),
Operating Expenses (as defined in the Master Lease) or Tax Expenses
(as defined in the Master Lease) passed through to Sublandlord
under the Master Lease.

                       
5.2       [INTENTIONALLY
OMITTED]

5.3       Manner
of Payment.  All Rent or other payment due from Subtenant
to Sublandlord hereunder shall be paid in lawful money of the
United States, without any prior demand therefor and without any
deduction or setoff whatsoever, at the Master Landlord’s
address pursuant to the Master Lease and Clause IX 15. thereof or
such other place as Sublandlord and/or Master Landlord shall from
time to time designate (including, without limitation, by wire
transfer of immediately available funds to an account specified by
Sublandlord) by written notice provided to Subtenant at least five
(5) days prior to the date on which such Rent or other amount first
becomes payable.

           
6.        
Use and Compliance With
Laws.

Subtenantshall use
the Premises for the Permitted Use (as specified in the Basic
Sublease Information) during the Term of this
Sublease, and for no other use or uses.  
Subtenantshall
not engage in any activities prohibited by the Master
Lease.  Subtenant shall not use or store flammable or
hazardous materials on the Premises, except to the extent normally
used in the ordinary course of business with respect to the
Permitted Use unless such materials are specifically prohibited in
the Lease.  Subtenant shall not perform any act or carry on
any practice which may injure the Premises or cause any offensive
odors or noises that constitute a nuisance or menace to any other
tenant or tenants of the Building or the Premises or other persons,
and in no event shall any noises or odors be emitted from the
Premises.  Nothing shall be done upon or about the Premises
which shall be unlawful, improper, or contrary to any law,
ordinance, regulation or requirement of any public authority or
insurance inspection or rating bureau or similar organization
having jurisdiction and Subtenant shall be in compliance at all
times with all such laws, ordinances, regulations and
requirements.  Subtenant shall observe and comply with, and
shall cause its employees, agents and invitees to observe and
comply with the restrictions set forth in this Sublease. 
Subtenant agrees to comply with all rules and regulations that
Master Landlord has made or may hereafter from time to time make
for the Building and/or the Premises.  Sublandlord shall not
be liable to Subtenant or any party claiming through Subtenant in
any way for damage caused by the failure of any of the other
tenants of the Building to comply with such similar or other
covenants in their leases or of such rules and
regulations.

           
7.        
Insurance.

                       
Subtenant shall
obtain at its sole expense the insurance required under the Master
Lease effective as of the Commencement Date.  Additionally,
Subtenantshall
name Sublandlord and Master Landlord as
additional insureds, in their capacity as Master Landlord and
Sublandlord, and shall furnish Sublandlordon or before the Commencement Date with
certificates of insurance from its insurer, with respect to such
insurance, which certificates shall state that such insurance shall
not be cancelled unless thirty (30) days prior written notice shall
have been given to Master Landlord and Sublandlord.

           
8.
        Assignment and
Subletting.

                       
Subtenant shall not directly
or indirectly, voluntarily or by operation of law, sell, assign,
encumber, pledge or otherwise transfer or hypothecate any of its
interest in or rights with respect to the Premises or
Subtenant’s
leasehold estate
hereunder (collectively, “Assignment”),
or permit all or any portion of the Premises to be occupied by
anyone (whether pursuant to a license, concession or otherwise)
other than Subtenant or sublet all or any portion of the
Premises, without the prior written consent of Master Landlord and
Sublandlord. 

           
9.        
Alterations.

                       
Subtenant shall not make or
suffer to be made any alterations, additions or improvements to the
Premises, including, without limitation, those related to
electrical cabling and/or systems, plumbing, data cabling, HVAC
systems, or modifications to existing finishes, without the prior
written consent of Master Landlord, as required under the Master
Lease, and of Sublandlord.  Additionally, Subtenant shall be subject to the
standards for repairs and alterations set forth in the Master
Lease.

           
10.       Repairs and
Maintenance.

10.1    
Subtenant’s Responsibility.  Subtenantshall be responsible for the
maintenance and repair of the Premises in accordance with the
provisions of the Master Lease.

10.2    
Sublandlord’s Responsibility. 
As between the parties to this Sublease, Sublandlordshall have no responsibility or liability to the
Subtenant or anyone claiming through Subtenant, for the Premises
including, without limitation, the roof, roof covering, foundation,
subfloors, building structural components, major
building systems (plumbing, electrical and heating, air
conditioning and ventilation systems), and exterior walls of the
Premises. 

           
11.      
Default.

Subtenant shall be subject to the same default
and termination provisions as specified in Clause X of the
Master Lease as if it were the tenant thereunder, and Sublandlordshall have all the
remedies specified therein, as if it were Master Landlord,
including, without limitation, the right to terminate the Sublease
and right to perform Subtenant’s obligations under this
Sublease at Subtenant’s cost.  Notwithstanding the
foregoing, Subtenant shall only be entitled to one-half (1/2) of
the cure period for a default, if any, provided for under the
Master Lease.

           
12.      
Indemnity.

                       
In addition to such indemnities as may be provided for in the
Master Lease, Subtenant agrees to indemnify and hold Sublandlord
and its affiliates, officers, agents, servants, employees and
independent contractors (individually a “Sublandlord
Party” and collectively, “Sublandlord Parties”)
harmless against all loss, damage, liability, or expense suffered
or claimed against any Sublandlord Party, by any person or entity
(i) caused by or otherwise arising from, in whole or in part, any
breach or default by Subtenant of any covenant or obligation it has
hereunder (including but not limited to all covenants or
obligations of the tenant under the Master Lease assumed by
Subtenant pursuant to the terms of this Sublease), or (ii) caused
by or in connection with anything owned or controlled by Subtenant,
or (iii) resulting from any act, failure to act, or negligence of
Subtenant or its employees, agents or invitees, or (iv) resulting
from any nuisance suffered on the Premises, except for damage or
injury to third parties or property resulting from the proven gross
negligence of Sublandlord, Landlord or their respective employees,
agents, representatives, successors or assigns.  Subtenant
further agrees to indemnify Sublandlord and hold Sublandlord
harmless from all losses, damages, liabilities and expenses which
Sublandlord may incur, or for which Sublandlord may be liable to
Master Landlord, arising from the acts or omissions of Subtenant
which are or are alleged to be defaults of Sublandlord under the
Master Lease or are the subject matter of any indemnity or hold
harmless of Sublandlord, as tenant, to Master Landlord under the
Master Lease.  The obligations of Subtenant to indemnify
Sublandlord and/or the Sublandlord Parties and/or hold the
Sublandlord and/or the Sublandlord Parties harmless in this Section
12 and elsewhere herein shall survive the expiration or other
termination of this Sublease.

           
13.       Master
Lease.

           
13.1     Master Lease.  Notwithstanding
anything in this Sublease to the contrary, the rights of
Subtenant shall be subject
to and limited by the terms and conditions contained in the Master
Lease between Sublandlord and Master Landlord as applicable to
tenant thereunder, as they may be amended from time to time.   Sublandlordshall have the right to amend
the Master Lease from time to time without the consent of Subtenantprovided that any such amendment shall not
adversely affect Subtenant’sability to continue its
then current operations in the Premises, increase any of the rental
or other payments required to be made by Subtenanthereunder or
otherwise materially and adversely change Subtenant’s rights
and obligations hereunder.  Sublandlordshall endeavor to give Subtenantnotice of
any amendment to the Master Lease, but the failure to give such
notice shall not affect the validity of such amendment or its
applicability to Subtenant, except that Subtenant shall
have no obligation to comply with the terms of any such amendment
until it has received a copy.  
Any rights granted to Subtenant herein which are limited by the
Master Lease shall be deemed to be so limited by this
Sublease.

                       
13.2     No Violation. 
Notwithstanding anything in this Sublease to the contrary, Subtenant shall not commit or permit
to be committed any act or omission which shall violate any term or
condition of the Master Lease.  Subtenant shall indemnify and
hold harmless Sublandlord from and against any loss, liability,
claim, cost or expense (including reasonable attorneys’ fees)
incurred by Sublandlord as a result of any termination or attempted
termination by Sublandlord or Master Landlord of the Master Lease
resulting from any such act or omission by Subtenant.

           
13.3     [Intentionally
Omitted].

           
13.4     Termination of Master Lease.  If the Master
Lease terminates for any reason prior to the expiration or other
termination of this Sublease, this Sublease shall terminate
concurrently therewith without any liability of Sublandlord to Subtenant and, except for any
Subtenant obligations hereunder arising on or prior to the
termination of this Sublease, following Subtenant’s surrender
in compliance with Section 4.2 hereof, Subtenant’s
obligations hereunder shall terminate, except with respect to any
indemnification or hold harmless obligations of Subtenant, which
shall survive such termination.

           
13.5     Incorporation of Master Lease.  Notwithstanding any other provision of this
Sublease to the contrary, this Sublease and Subtenant's rights
under this Sublease shall at all times be subject to all of the
terms, covenants, and conditions of the Master Lease (a copy of
which agreement, as currently in effect, Subtenant hereby
represents that it has received), with the same force and effect as
if fully set forth herein, and except as otherwise expressly
provided for herein, Subtenant shall keep, observe and perform or
cause to be kept, observed and performed, faithfully all those
terms, covenants and conditions of Sublandlord as tenant under the
Master Lease with respect to the Premises.  Except as
otherwise provided hereby, the terms, conditions, rights and
responsibilities of the Master Lease are incorporated herein by
reference, and Sublandlord shall have the rights
and responsibilities with respect to the Subtenantthat the Master Landlord has with respect to
Sublandlord pursuant to the Master Lease, and
Subtenantshall
have the rights and responsibilities with respect to Sublandlordthat Sublandlordhas with respect to the
Master Landlord pursuant to the Master Lease.  However, to the
extent that the Master Lease requires or obligates Master Landlord
to maintain, repair, restore, or otherwise expend any money or take
any action to preserve and maintain all or any portion of the
Premises or to furnish any services to the Premises, such
obligation shall not pass to Sublandlord by reason of this Sublease
and shall remain with the Master Landlord.  Subject to the
first sentence of this Section 13.5, with respect to the
relationship between the Sublandlord and the Subtenant, the terms,
covenants and conditions of this Sublease shall control with
respect to any conflict or inconsistency between the terms,
covenants and conditions contained herein and the terms, covenants
and conditions of the Master Lease.  Notwithstanding the
foregoing, the following sections of the Master Lease are hereby
excluded from application to or incorporation within this
Sublease:  The provision for automatic renewal in Clause
II.  Subtenant shall NOT have the right to automatically renew
this Sublease pursuant to the provisions set forth in Clause II of
the Master Lease.

15.      
Security Deposit.

                       
  Sublandlord and Subtenant
hereby acknowledge that Subtenant has tendered payment and shall
continue to tender payment of the Security Deposit as set forth in
Clause IV of the Master Lease.  Upon expiration of the Master
Lease, Sublandlord shall forward payment to Subtenant within thirty
(30) days of receipt from Master Landlord any refunded Security
Deposit amounts it has received pursuant to Clause IV of the Master
Lease.

16.      
Brokers.

                       
Subtenant represents that it has dealt
with no broker or agent in connection with this Sublease and
Subtenant shall hold Sublandlord harmless from any and all
liability, loss, damage, expense, claim action, demand, suit or
obligation arising out of or relating to a breach by Subtenant of
such representation.

17.      
Counterparts.

                       
This Sublease may be executed in one or more counterparts, each of
which shall constitute one and the same instrument.

18.      
Governing Law.

                       
This Sublease shall be governed by and construed and enforced in
accordance with the laws of the Kingdom of Saudi
Arabia, except with respect to the choice-of-law provisions
thereof.

19.      
Waivers; Amendments.

                       
No failure or delay by any party hereto in exercising any right,
power or privilege hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise thereof preclude any other or
further exercise thereof or the exercise of any other right, power
or privilege. The rights and remedies provided herein shall be
cumulative and not exclusive of any rights or remedies provided by
law. Any provision of this Sublease may be waived if, but only if,
such waiver is in writing and is signed by the party against whom
the enforcement of such waiver is sought. No waiver of any
provision of this Sublease, in any one or more instances, shall be
deemed to be, or construed as, a further or continuing waiver of
any such provision. This Sublease may not be amended, modified or
supplemented other than by a written instrument signed by each
party hereto.

20.       Entire
Agreement.

                       
This Sublease constitutes the entire agreement and understanding
among the parties hereto and supercedes any and all prior
agreements and understandings, written or oral, relating to the
subject matter hereof.

21.      
Severability.

                       
Any term or provision of this Sublease which is invalid or
unenforceable in any jurisdiction shall, as to such jurisdiction,
be ineffective to the extent of such invalidity or unenforceability
without rendering invalid or unenforceable the remaining terms and
provisions of this Sublease or affecting the validity or
enforceability of any of the terms or provisions of this Sublease
in any other jurisdictions, it being intended that all rights and
obligations of the parties hereunder shall be enforceable to the
fullest extent permitted by law.

[Signature
page follows]

IN WITNESS WHEREOF, this
Sublease shall be deemed to have been executed and delivered as of
the date first set forth above.

		
SUBLANDLORD:

		
		
THE TITAN
CORPORATION,

a Delaware
corporation

		
		
By:
                                                                          

Name:                                                                      

		
Title:                                                                         

		
		
		
SUBTENANT:

		
		
SUREBEAM
CORPORATION,

a Delaware
Corporation

		
		
By:
                                                                          

Name:                                                                      

		
Title:                                                                         

EXHIBIT
A

DESCRIPTION OF PREMISES

[See
attached.]SUBLEASE AGREEMENT

SUBLEASE AGREEMENT

           
THIS SUBLEASE AGREEMENT (“Sublease”) is entered into as
of this 2nd day of August, 2002, by and between
The Titan Corporation, a Delaware corporation
(“Sublandlord”), and SureBeam Corporation, a
Delaware corporation (“Subtenant”).

RECITALS

A.       
Sublandlordis the tenant under that certain Lease by and
between B/G Management, as landlord (“Master
Landlord”), and Sublandlord, as tenant, dated July 26,
1999 and as modified by Addendum dated July 26, 1999 (such lease, as it may be amended from time to
time, the “Master Lease”), for
certain space located at 6780 Sierra Court, Suite R, Q, L,
and O, Dublin, CA(the
“Premises”).

B.        
Subtenant wishes to sublease the Premises
from Sublandlord.

           
Now, therefore, for good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties
hereby agree as follows:

1.        
Basic Sublease Information.

The information set forth
in this Section (the “Basic Sublease Information”) is
intended to supplement and/or summarize the provisions set forth in
the balance of this Sublease.  Each reference in this Sublease
to any of the terms set forth below shall mean the respective
information set forth next to such term as amplified, construed or
supplemented by the particular Section(s) of the Sublease pertaining to such
information.  In the event of a conflict between the
provisions of this Section and the balance of the Sublease, the
balance of the Sublease shall control.

	
Sublandlord:

	
The Titan Corporation, a
Delaware corporation

		
	
Sublandlord’s
Address

 for Notices:

	
The Titan
Corporation

3033 Science Park
Road

San Diego, CA
92122

Attn: Real
Estate

(858) 552 -
9500

		
	
Subtenant:

	
                       
SureBeam Corporation, a
Delaware corporation

		
	
Subtenant’s Address

 for Notices:

	
SureBeam
Corporation

9276 Scranton
Road

Suite
600

San Diego, CA
92121

Attn: Jerry
Nelson

(858)
795-6234

		
	
Subleased
Premises:

	
Approximately 35,825
rentable square feet, known as Suites R, Q, L, and O of the
Premises as described on Exhibit A.

		
	
Building:

	
6780 Sierra Court,
Dublin, CA

		
	
Permitted
Use:

	
As specified in Section
1.06 of the Master Lease as general office and light electronic
manufacturing.

		
	
Base
Rent:

	
Twenty-five Thousand Five
Hundred Thirty-four Dollars and Fifty-seven Cents ($25,534.57) per
month (except for any partial month during the term of this
Sublease, in which case Base Rent for such month shall be pro-rated
based on the number of days in that month), escalating as
follows:

8/1/03 -  $26,378.69
per month / $316,544.28 per year

8/1/04 -  $27,350.65
per month / $328,207.80 per year

		
	
Commencement
Date:

	
The term of the Sublease
shall commence on August 2, 2002 (the
“Commencement Date”).  

		
	
Expiration
Date:

	
The Expiration Date shall be January 31, 2005, or
such earlier date, if any, on which the Master Lease is terminated
or expires or this Sublease is terminated pursuant to the terms
herein.

		
	
Subtenant’s
Insurance:

	
Specified and as required
in Section 4.04 of the Master Lease.

		
	
Security
Deposit:

	
As set forth in Section
3.03 of the Master Lease and Section 14 herein.

2.        
Sublease.

Sublandlord hereby subleases to Subtenant, and
Subtenanthereby
subleases from Sublandlord, the Subleased Premises upon all of the
terms, covenants and conditions in this Sublease.

3.        
Delivery Condition.

Subtenant acknowledges that it takes possession of the Subleased Premises in its “as
is” condition, and further acknowledges that Sublandlordhas made no representations or warranties of any
kind or nature, whether express or implied, with respect to the
Subleased Premises, the remainder of the Premises, the common
areas, or the Building, nor has Sublandlord agreed to undertake or perform any modifications,
alterations, or improvements to the Subleased Premises, the
remainder of the Premises, the common areas or the Building which
would inure to Subtenant’s benefit. 

           
4.        
Term.

4.1      
Term.  The term (the “Term”) of this
Subleaseshall commence on the Commencement Date, and shall
end on the Expiration Date. 

4.2      
Surrender.  Subtenant shall, on or before the Expiration
Date, remove all personal property, furniture, trade fixtures and
other equipment,provided that the
removal of the same does not adversely affect the
Building structure or any Building operating system or is not
prohibited by the Master Lease, and that Subtenantpromptly repairs any damage to
the Building structure or its operating systems caused by such
removal pursuant to the requirements of the Master Lease.  In
the event that Subtenantfails to remove any such items as
required by this Section 4.2 by the Expiration Date, all such items
remaining on the Subleased Premises after the Expiration Date shall
be deemed abandoned and Sublandlordmay dispose of
such items as it sees fit, without liability to
Subtenant.  Subtenant shall also be
responsible for the removal, on or before the Expiration Date, of
all alterations as required under the Master Lease installed by
Subtenant pursuant to this Sublease and shall be responsible for
any associated repair or restoration of the Subleased Premises
required under the Master Lease.  In all other respects, Subtenant shall deliver the Subleased
Premises broom clean, in its condition as of the Commencement Date,
reasonable wear and tear and casualty excepted.  In no event
shall Subtenantremove any of the plumbing,
electrical, data lines, and HVAC system(s), except as otherwise
required pursuant to this Section 4.2.

Subtenant shall vacate and deliver possession
of the Subleased Premises free of all liens, charges or
encumbrances resulting from any act or omission on
Subtenant’spart, and free and clear of
any and all violations of any law, rule or regulation of any
federal, state, municipal or other agency or authority by reason of
Subtenant’s
actions or failures to fulfill any of its obligations under this
Sublease (“Violations”).  Subtenantshall indemnify Sublandlord against any and all loss, expense, damage, costs or
attorneys’ fees arising out of Violations
occurring any time on or after the Commencement Date.  The
voluntary or other surrender of this Sublease by Subtenant,or a
mutual cancellation thereof, shall not automatically terminate any
sub-subleases or sub-subtenancies or other agreements by which
Subtenant has granted rights to third parties to all or any part of
the Subleased Premises, but shall, at the option of Sublandlord,either (1) terminate all or any existing
sub-subleases or sub-subtenancies or such other agreements, or (2) operate as an assignment to Sublandlordof any or all such sub-subleases or
sub-subtenancies or such other agreements.

4.3      
Holding Over. 
If Subtenant remains in possession of the Subleased Premises after
the Expiration Date, such occupancy shall constitute a tenancy at
sufferance, and Subtenantshall be
obligated to pay 125% of the rental installments as specified in
Section 5 of this Sublease and Subtenantshall be liable to Sublandlordfor any and all claims,
damages, liabilities, costs and expenses (including
attorneys’ fees and expenses) incurred by Sublandlordand arising out of Subtenant’s failure to timely surrender the Subleased Premises in
accordance with the requirements of this Sublease, including,
without limitation those incurred by Sublandlord arising under the
Master Lease.

5.        
Rent.

As used in this Sublease,
the term “Rent” shall include (1) Base Rent and (2) all other amounts which Subtenantis
obligated to pay under the terms of this Sublease.

5.1      
Rent.  Base Rent is as specified in
Section 1 (Basic Sublease Information).  Base Rent shall be
paid by Subtenant to the Master Landlord for the Sublandlord as set
forth in Sections 3 and 4 of the Master Lease and as subsequently
amended or modified.

           
Subtenantshall also be solely responsible for
any and all increases in Rent or any added cost or charge which has
arisen solely because of Subtenant’s tenancy in the Subleased Premises, including, without
limitation, any and all heat, water and sewer charges, electric and
other utility charges, as well as any other service charges
required by the Master Lease and relating to the Subleased Premises
and/or Subtenant’s occupation thereof that are not already
then covered by the Base Rent (as defined in the Master Lease),
Operating Expenses (as defined in the Master Lease) or Tax Expenses
(as defined in the Master Lease) passed through to Sublandlord
under the Master Lease.

                       
5.2       [INTENTIONALLY
OMITTED]

5.3       Manner
of Payment.  All Rent or other payment due from Subtenant
to Sublandlord hereunder shall be paid in lawful money of the
United States, without any prior demand therefor and without any
deduction or setoff whatsoever, at the Masterlandlord’s
address pursuant to Section 3.01 of the Master Lease or such other
place as Sublandlord and/or Master Landlord shall from time to time
designate (including, without limitation, by wire transfer of
immediately available funds to an account specified by Sublandlord)
by written notice provided to Subtenant at least five (5) days
prior to the date on which such Rent or other amount first becomes
payable.

           
6.        
Use and Compliance With
Laws.

Subtenantshall use
the Subleased Premises for the Permitted Use (as specified in the
Basic Sublease Information) during the Term of this
Sublease, and for no other use or uses.  
Subtenantshall
not engage in any activities prohibited by the Master
Lease.  Subtenant shall not use or store flammable or
hazardous materials on the Subleased Premises, except to the extent
normally used in the ordinary course of business with respect to
the Permitted Use unless such materials are specifically prohibited
in the Lease.  Subtenant shall not perform any act or carry on
any practice which may injure the Subleased Premises or cause any
offensive odors or noises that constitute a nuisance or menace to
any other tenant or tenants of the Building or the Premises or
other persons, and in no event shall any noises or odors be emitted
from the Subleased Premises.  Nothing shall be done upon or
about the Subleased Premises which shall be unlawful, improper, or
contrary to any law, ordinance, regulation or requirement of any
public authority or insurance inspection or rating bureau or
similar organization having jurisdiction and Subtenant shall be in
compliance at all times with all such laws, ordinances, regulations
and requirements.  Subtenant shall observe and comply with,
and shall cause its employees, agents and invitees to observe and
comply with the restrictions set forth in this Sublease. 
Subtenant agrees to comply with all rules and regulations that
Master Landlord has made or may hereafter from time to time make
for the Building and/or the Premises.  Sublandlord shall not
be liable to Subtenant or any party claiming through Subtenant in
any way for damage caused by the failure of any of the other
tenants of the Building to comply with such similar or other
covenants in their leases or of such rules and
regulations.

           
7.        
Insurance.

                       
Subtenant shall
obtain at its sole expense the insurance required under Section
4.04 of the Master Lease effective as of the Commencement
Date.  Additionally, Subtenantshall name Sublandlord and Master Landlord as additional insureds, in their
capacity as Master Landlord and Sublandlord, and shall furnish
Sublandlordon or before the Commencement Date with
certificates of insurance from its insurer, with respect to such
insurance, which certificates shall state that such insurance shall
not be cancelled unless thirty (30) days prior written notice shall
have been given to Master Landlord and Sublandlord.

           
8.
        Assignment and
Subletting.

                       
Subtenant shall not directly
or indirectly, voluntarily or by operation of law, sell, assign,
encumber, pledge or otherwise transfer or hypothecate any of its
interest in or rights with respect to the Subleased Premises or
Subtenant’s
leaseholdestate
hereunder (collectively, “Assignment”),
or permit all or any portion of the Subleased Premises to be
occupied by anyone (whether pursuant to a license, concession or
otherwise) other than Subtenant or sublet all or any portion of the
Subleased Premises, without the prior written consent of Master
Landlord and Sublandlord. 

           
9.        
Alterations.

                       
Subtenant shall not make or
suffer to be made any alterations, additions or improvements to the
Subleased Premises, including, without limitation, those related to
electrical cabling and/or systems, plumbing, data cabling, HVAC
systems, or modifications to existing finishes, without the prior
written consent of Master Landlord, as required under the Master
Lease, and of Sublandlord.  Additionally, Subtenant shall be subject to the
standards for repairs and alterations set forth in the Master
Lease

           
10.       Repairs and
Maintenance.

10.1    
Subtenant’s Responsibility.  Subtenantshall be responsible for the
maintenance and repair of the Subleased Premises in accordance with
the provisions of the Master Lease.

10.2    
Sublandlord’s Responsibility. 
As between the parties to this Sublease, Sublandlordshall have no responsibility or liability to the
Subtenant or anyone claiming through Subtenant, for the Subleased
Premises including, without limitation, the roof, roof covering,
foundation, subfloors, building structural
components, major building systems (plumbing, electrical and
heating, air conditioning and ventilation systems), and exterior
walls of the Subleased Premises. 

           
11.      
Default.

Subtenant shall be subject to the same default
provisions as specified in Article 10 of the Master Lease as if it
were the tenant thereunder, and Sublandlordshall have all the remedies specified therein, as
if it were Master Landlord, including, without limitation, the
right to terminate the Sublease and right to perform
Subtenant’s obligations under this
Sublease at Subtenant’s cost.  Notwithstanding the
foregoing, Subtenant shall only be entitled to one-half (1/2) of
the cure period for a default, if any, provided for under the
Master Lease.

           
12.      
Indemnity.

                       
In addition to such indemnities as may be provided for in the
Master Lease, Subtenant agrees to indemnify and hold Sublandlord
and its affiliates, officers, agents, servants, employees and
independent contractors (individually a “Sublandlord
Party” and collectively, “Sublandlord Parties”)
harmless against all loss, damage, liability, or expense suffered
or claimed against any Sublandlord Party, by any person or entity
(i) caused by or otherwise arising from, in whole or in part, any
breach or default by Subtenant of any covenant or obligation it has
hereunder (including but not limited to all covenants or
obligations of the tenant under the Master Lease assumed by
Subtenant pursuant to the terms of this Sublease), or (ii) caused
by or in connection with anything owned or controlled by Subtenant,
or (iii) resulting from any act, failure to act, or negligence of
Subtenant or its employees, agents or invitees, or (iv) resulting
from any nuisance suffered on the Subleased Premises, except for
damage or injury to third parties or property resulting from the
proven gross negligence of Sublandlord, Landlord or their
respective employees, agents, representatives, successors or
assigns.  Subtenant further agrees to indemnify Sublandlord
and hold Sublandlord harmless from all losses, damages, liabilities
and expenses which Sublandlord may incur, or for which Sublandlord
may be liable to Master Landlord, arising from the acts or
omissions of Subtenant which are or are alleged to be defaults of
Sublandlord under the Master Lease or are the subject matter of any
indemnity or hold harmless of Sublandlord, as tenant, to Master
Landlord under the Master Lease.  The obligations of Subtenant
to indemnify Sublandlord and/or the Sublandlord Parties and/or hold
the Sublandlord and/or the Sublandlord Parties harmless in this
Section 12 and elsewhere herein shall survive the expiration or
other termination of this Sublease.

           
13.       Master
Lease.

           
13.1     Master Lease.  Notwithstanding
anything in this Sublease to the contrary, the rights of
Subtenant shall be subject
to and limited by the terms and conditions contained in the Master
Lease between Sublandlord and Master Landlord as applicable to
tenant thereunder, as they may be amended from time to time.   Sublandlordshall have the right to amend
the Master Lease from time to time without the consent of Subtenantprovided that any such amendment shall not
adversely affect Subtenant’sability to continue its
then current operations in the Subleased Premises, increase any of
the rental or other payments required to be made by Subtenanthereunder or otherwise materially and
adversely change Subtenant’s rights and obligations
hereunder.  Sublandlordshall endeavor to give
Subtenantnotice of any amendment to the
Master Lease, but the failure to give such notice shall not affect
the validity of such amendment or its applicability to Subtenant, except that Subtenant shall
have no obligation to comply with the terms of any such amendment
until it has received a copy.  
Any rights granted to Subtenant herein which are limited by the
Master Lease shall be deemed to be so limited by this
Sublease.

                       
13.2     No Violation. 
Notwithstanding anything in this Sublease to the contrary, Subtenant shall not commit or permit
to be committed any act or omission which shall violate any term or
condition of the Master Lease.  Subtenant shall indemnify and
hold harmless Sublandlord from and against any loss, liability,
claim, cost or expense (including reasonable attorneys’ fees)
incurred by Sublandlord as a result of any termination or attempted
termination by Sublandlord or Master Landlord of the Master Lease
resulting from any such act or omission by Subtenant.

           
13.3     [INTENTIONALLY
OMITTED]

           
13.4     Termination of Master Lease.  If the Master
Lease terminates for any reason prior to the expiration or other
termination of this Sublease, this Sublease shall terminate
concurrently therewith without any liability of Sublandlord to Subtenant and, except for any
Subtenant obligations hereunder arising on or prior to the
termination of this Sublease, following Subtenant’s surrender
in compliance with Section 4.2 hereof, Subtenant’s
obligations hereunder shall terminate, except with respect to any
indemnification or hold harmless obligations of Subtenant, which
shall survive such termination.

           
13.5     Incorporation of Master Lease.  Notwithstanding any other provision of this
Sublease to the contrary, this Sublease and Subtenant's rights
under this Sublease shall at all times be subject to all of the
terms, covenants, and conditions of the Master Lease (a copy of
which agreement, as currently in effect, Subtenant hereby
represents that it has received), with the same force and effect as
if fully set forth herein, and except as otherwise expressly
provided for herein, Subtenant shall keep, observe and perform or
cause to be kept, observed and performed, faithfully all those
terms, covenants and conditions of Sublandlord as tenant under the
Master Lease with respect to the Subleased Premises.  Except
as otherwise provided hereby, the terms, conditions, rights and
responsibilities of the Master Lease are incorporated herein by
reference, and Sublandlord shall have the rights
and responsibilities with respect to the Subtenantthat the
Master Landlord has with respect to Sublandlord
pursuant to the Master Lease, and Subtenantshall have the rights and responsibilities
with respect to Sublandlordthat Sublandlordhas with respect to the Master Landlord pursuant to
the Master Lease.  However, to the extent that the Master
Lease requires or obligates Master Landlord to maintain, repair,
restore, or otherwise expend any money or take any action to
preserve and maintain all or any portion of the Subleased Premises
or to furnish any services to the Subleased Premises, such
obligation shall not pass to Sublandlord by reason of this Sublease
and shall remain with the Master Landlord.  Subject to the
first sentence of this Section 13.5, with respect to the
relationship between the Sublandlord and the Subtenant, the terms,
covenants and conditions of this Sublease shall control with
respect to any conflict or inconsistency between the terms,
covenants and conditions contained herein and the terms, covenants
and conditions of the Master Lease. 

14.      
Security Deposit.

                       
  Sublandlord and Subtenant hereby acknowledge that Subtenant
has tendered payment and shall continue to tender payment of the
Security Deposit as set forth in Section 3.03. of the Master
Lease.  Upon expiration of the Master Lease, Sublandlord shall
forward payment to Subtenant within thirty (30) days of receipt
from Masterlandlord any refunded Security Deposit amounts it has
received pursuant to Section 3.03. of the Master Lease.

15.      
Brokers.

                       
Subtenant represents that it has dealt
with no broker or agent in connection with this Sublease and
Subtenant shall hold Sublandlord harmless from any and all
liability, loss, damage, expense, claim action, demand, suit or
obligation arising out of or relating to a breach by Subtenant of
such representation.

16.      
Counterparts.

                       
This Sublease may be executed in one or more counterparts, each of
which shall constitute one and the same instrument.

17.      
Governing Law.

                       
This Sublease shall be governed by and construed and enforced in
accordance with the laws of the State of California, except with
respect to the choice-of-law provisions thereof.

18.      
Waivers; Amendments.

                       
No failure or delay by any party hereto in exercising any right,
power or privilege hereunder shall operate as a waiver thereof, nor
shall any single or partial exercise thereof preclude any other or
further exercise thereof or the exercise of any other right, power
or privilege. The rights and remedies provided herein shall be
cumulative and not exclusive of any rights or remedies provided by
law. Any provision of this Sublease may be waived if, but only if,
such waiver is in writing and is signed by the party against whom
the enforcement of such waiver is sought. No waiver of any
provision of this Sublease, in any one or more instances, shall be
deemed to be, or construed as, a further or continuing waiver of
any such provision. This Sublease may not be amended, modified or
supplemented other than by a written instrument signed by each
party hereto.

19.       Entire
Agreement.

                       
This Sublease constitutes the entire agreement and understanding
among the parties hereto and supercedes any and all prior
agreements and understandings, written or oral, relating to the
subject matter hereof.

20.      
Severability.

                       
Any term or provision of this Sublease which is invalid or
unenforceable in any jurisdiction shall, as to such jurisdiction,
be ineffective to the extent of such invalidity or unenforceability
without rendering invalid or unenforceable the remaining terms and
provisions of this Sublease or affecting the validity or
enforceability of any of the terms or provisions of this Sublease
in any other jurisdictions, it being intended that all rights and
obligations of the parties hereunder shall be enforceable to the
fullest extent permitted by law.

[Signature
page follows]

IN WITNESS WHEREOF, this
Sublease shall be deemed to have been executed and delivered as of
the date first set forth above.

		
SUBLANDLORD:

		
		
THE TITAN
CORPORATION,

a Delaware
corporation

		
		
By:
                                                                          

Name:                                                                      

		
Title:                                                                         

		
		
		
SUBTENANT:

		
		
SureBeam
Corporation,

a Delaware
corporation

		
		
By:
                                                                          

Name:                                                                      

		
Title:                                                                         

LANDLORD’S CONSENT TO
SUBLEASE

The undersigned
("Landlord"), Landlord under the Master Lease, hereby consents to
the foregoing Sub-sublease without waiver of any restriction in the
Master Lease concerning further assignment or subletting. Landlord
certifies that, as of the date of Landlord's execution hereof,
Sublessor is not in default or breach of any of the provisions of
the Master Lease, and that the Master Lease has not been amended or
modified except as expressly set forth in the Sublease and
foregoing Sub-sublease.

Lessor:  
________                                                       
                                  
..              

By:                                                                        
   

Title:                                                                          

Date:_______________________________________

EXHIBIT
A

DESCRIPTION OF PREMISES

[See attached.]

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