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California-Los Angeles-5220 Pacific Concourse Drive Lease - OMA Del Aire Properties LP and SiRF Technologies Inc.

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                          STANDARD OFFICE LEASE-GROSS
                  AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION

                                [LOGO HERE]            OMA Job No. 0688-0101-120
                                                       FFS No. 10235.966
                                                       SiRF Technology


1.  Basic Lease Provisions ("Basic Lease Provisions")

    1.1  Parties: This Lease, dated, for reference purposes only, December 5
1997, is made by and between OMA Del Aire Properties, L. P., a California
limited partnership, (herein called "Lessor") and SiRF Technologies, Inc., a
California corporation, doing business under the name of _______________________
(herein called "Lessee").

     1.2  Promises: Suite Number(s), 120 first floors, consisting of
approximately 7,050 feet, more or less, as defined in paragraph 2 and as shown
on Exhibit "A" hereto (the "Premises").

     1.3  Building: Commonly described as being located at 5220 Pacific
Concourse Drive in the City of Los Angeles, County of Los Angeles, State of
California, as more particularly described in Exhibit 1 hereto, and as defined
in paragraph 2.

     1.4:  Use: General Office Purposes _______________________________________
______________________________________________________ , subject to paragraph 6.

     1.5  Term: Sixty (60) months commencing as provided in Paragraph 48
("Commencement Date") and ending as provided in Paragraph 48, as defined in
paragraph 3.

     1.6  Base Rent: $11,985.00 per month, payable on the first day of each
month, per paragraph 4.1 commencing on the Commencement Date.

     1.7  Intentionally omitted.

     1.8  Rent Paid Upon Execution: $11,985.00 for the first full calendar month
of the Term.

     1.9  Security Deposit: $11,985.00.

     1.10 Lessee's Share of Operating Expense Increase: 10.4% as defined in
paragraph 4.2

2.   Premises, Parking and Common Areas.

     2.1  Premises: The Premises are a portion of a building, herein sometimes
referred to as the "Building" identified in paragraph 1.3 of the Basic Lease
Provisions. "Building" shall include adjacent parking structures used in
connection therewith. The Premises, the Building, the Common Areas, the land
upon which the same are located, along with all other buildings and Improvements
thereon or thereunder, are herein collectively referred to as the "Office
Building Project."  Lessor hereby leases to Lessee and Lessee leases from Lessor
for the term, at the rental, and upon all of the conditions set forth herein,
the real property referred to in the Basic Lease Provisions, paragraph 1.2, as
the "Premises," including rights to the Common Areas as hereinafter specified.

     2.2  Vehicle Parking: So long as Lessee is not in default, and subject to
the rules and regulations attached hereto, and as established by Lessor from
time to time, Lessee shall be entitled to rent and use 29 unreserved, surface
parking spaces in the Office Building Project at the monthly rate applicable
from time to time for monthly parking as set by Lessor and/or its licensee.

          2.2.1  If Lessee commits, permits or allows any of the prohibited
activities described in the Lease or the rules then in effect, then Lessor shall
have the right, without notice, in addition to such other rights and remedies
that it may have, to remove or tow away the vehicle involved and charge the cost
to Lessee, which cost shall be immediately payable upon demand by Lessor.

          2.2.2  The monthly parking rate per parking space will be $  40.00  
per month at the commencement of the term of this Lease, and is subject to
change upon five (5) days prior written notice to Lessee.  Monthly parking fees
shall be payable one month in advance prior to the first day of each calendar
month.

     2.3  Common Areas-Definition.  The term "Common Areas" is defined as all
areas and facilities outside the Premises and within the exterior boundary line
of the Office Building Project that are provided and designated by the Lessor
from time to time for the general non-exclusive use of Lessor, Lessee and of
other lessees of the Office Building Project and their respective employees,
suppliers, shippers, customers and invitees, including but not limited to common
entrances, lobbies, corridors, stairways and stairwells, public restrooms,
elevators, escalators, parking areas to the extent not otherwise prohibited by
this Lease, loading and unloading areas, trash areas, roadways, sidewalks,
walkways, parkways, ramps, driveways, landscaped areas and decorative walls.

     2.4  Common Areas-Rules and Regulations.  Lessee agrees to abide by and
conform to the rules and regulations attached hereto as Exhibit B with respect
to the Office Building Project and Common Areas, and to cause its employees,
suppliers, shippers, customers, and invitees to so abide and conform.  Lessor or
such other person(s) as Lessor may appoint shall have the exclusive control and
management of the Common Areas and shall have the right, from time to time, to
modify, amend and enforce said rules and regulations.  Lessor shall not be
responsible to Lessee for the non-compliance with said rules and regulations by
other lessees, their agents, employees and invitees of the Office Building
Project,

     2.5  Common Areas-Changes.  Lessor shall have the right, in Lessor's sole
discretion, from time to time:

          (a)  To make changes to the Building interior and exterior and Common
Areas, including, without limitation, changes in the location, size, shape,
number, and appearance thereof, including but not limited to the lobbies,
windows, stairways, air shafts, elevators, escalators, restrooms, driveways,
entrances, parking spaces, parking areas, loading and unloading areas, ingress,
egress, direction of traffic, decorative walls, landscaped areas and walkways;
provided, however, Lessor shall at all times provide the parking facilities
required by applicable law;

          (b)  To close temporarily any of the Common Areas for maintenance
purposes so long as reasonable access to the Premises remains available;

          (c)  To designate other land and improvements outside the boundaries
of the Office Building Project to be a part of the Common Areas, provided that
such other land and improvements have a reasonable and functional relationship
to the Office Building Project;

          (d)  To add additional buildings and improvements to the Common Areas;

          (e)  To use the Common Areas while engaged in making additional
improvements, repairs or alterations to the Office Building Project, or any
portion thereof;

          (f)  To do and perform such other acts and make such other changes in,
to or with respect to the Common Areas and Office Building Project as Lessor
may, in the exercise of sound business judgment deem to be appropriate.

3.   Term.

     3.1. Term.  The term and Commencement Date of this
Lease shall be as specified in paragraph 1.5 of the Basic Lease Provisions.

     3.2  Delay in Possession.  Notwithstanding said Commencement Date, if for
any reason Lessor cannot deliver possession of the Premises to Lessee on said
date and subject to paragraph 3.2.2, Lessor shall not be subject to any
liability therefor, nor shall such failure affect the validity of this Lease or
the obligations of Lessee hereunder or extend the term hereof; but, in such
case, Lessee shall not be obligated to pay rent or perform any other obligation
of Lessee under the terms of this Lease, except as may be otherwise provided in
this Lease, until possession of the Premises is tendered to Lessee, as
hereinafter defined; provided, however, that if Lessor shall not have delivered
possession of the Premises within sixty (60) days following said Commencement
Date, as the same may be extended under the terms of a Work Letter executed by
Lessor and Lessee, Lessee may, at Lessee's

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option, by notice in writing to Lessor within ten (10) days thereafter, cancel
this Lease, in which event the parties shall be discharged from all obligations
hereunder; provided, however, that, as to Lessee's obligations, Lessee first
reimburses Lessor for all costs incurred for Non-Standard Improvements and, as
to Lessor's obligations, Lessor shall return any money previously deposited by
Lessee (less any offsets due Lessor for Non-Standard Improvements); and provided
further, that if such written notice by Lessee is not received by Lessor within
said ten (10) day period, Lessee's right to cancel this Lease hereunder, shall
terminate and be of no further force or effect.

          3.2.1  Possession Tendered-Defined.  Possession of the Premises shall
be deemed tendered to Lessee ("Tender of Possession") when (1) the improvements
to be provided by Lessor under this Lease are substantially completed, (2) the
Building utilities are ready for use in the Premises, (3) Lessee has reasonable
access to the Premises, and (4) ten (10) days shall have expired following
advance written notice to Lessee of the occurrence of the matters described in
(1), (2) and (3), above of this paragraph 3.2.1.

          3.2.2  Delays Caused by Lessee.  There shall be no abatement of rent,
and the sixty (60) day period following the Commencement Date before which
Lessee's right to cancel this Lease accrues under paragraph 3.2, shall be deemed
extended to the extent of any delays caused by acts or omissions of Lessee,
Lessee's agents, employees and contractors.

     3.3  Early Possession.  If Lessee occupies the Premises prior to said
Commencement Date, such occupancy shall be subject to all provisions of this
Lease, such occupancy shall not change the termination date, and Lessee shall
pay rent for such occupancy.

     3.4  Uncertain Commencement.  In the event commencement of the Lease term
is defined as the completion of the improvements, Lessee and Lessor shall
execute an amendment to this Lease establishing the date of Tender of Possession
(as defined in paragraph 3.2.1) or the actual taking of possession by Lessee,
whichever first occurs, as the Commencement Date.

4.   Rent.

     4.1  Base Rent.  Subject to adjustment as hereinafter provided in paragraph
4.3, and except as maybe otherwise expressly provided in this Lease, Lessee
shall pay to Lessor the Base Rent for the Premises set forth in paragraph 1.6 of
the Basic Lease Provisions, without offset or deduction, Lessee shall pay Lessor
upon execution hereof the advance Base Rent described in paragraph 1.8 of the
Basic Lease Provisions.  Rent for any period during the term hereof which is for
less than one month shall be prorated based upon the actual number of days of
the calendar month involved.  Rent shall be payable in lawful money of the
United States to Lessor at the address stated herein or to such other persons or
at such other places as Lessor may designate in writing.

     4.2  Operating Expenses Increase.  Lessee shall pay to Lessor during the
term hereof, in addition to the Base Rent, Lessee's Share, as hereinafter
defined, of the amount by which all Operating Expenses, as hereinafter defined,
for each Comparison Year exceeds the amount of all Operating Expenses for the
Base Year, such excess being hereinafter referred to as the "Operating Expense
Increase," in accordance with the following provisions:

          (a)    "Lessee's Share" is defined, for purposes of this Lease, as the
percentage set forth in paragraph 1.10 of the Basic Lease Provisions, which
percentage has been determined by dividing the approximate square footage of the
Premises by the total approximate square footage of the rentable space contained
in the Office Building Project. It is understood and agreed that the square
footage figures set forth in the Basic Lease Provisions are approximations which
Lessor and Lessee agree are reasonable and shall not be subject to revision
except in connection with an actual change in the size of the Premises or a
change in the space available for lease in the Office Building Project.

          (b)    "Base Year" is defined as the calendar year in which the Lease
term commences.

          (c)    "Comparison Year" is defined each calendar year during the term
of this Lease subsequent to the Base Year; provided, however, Lessee shall have
no obligation to pay a share of the Operating Expense Increase applicable to the
first twelve (12) months of the Lease Term (other than such as are mandated by a
governmental authority, as to which government mandated expenses Lessee shall
pay Lessee's Share, notwithstanding they occur during the first twelve (12)
months). Lessee's Share of the Operating Expense Increase for the first and last
Comparison Years of the Lease Term shall be prorated according to that portion
of such Comparison Year as to which Lessee is responsible for a share of such
increase.

          (d)    "Operating Expenses" is defined, for purposes of this Lease, to
include all costs, if any, incurred by Lessor in the exercise of its reasonable
discretion, for:

                 (i)    The operation, repair, maintenance, and replacement, in
neat, clean, safe, good order and condition, of the Office Building Project,
including but not limited to, the following:

                        (aa) The Common Areas, including their surfaces,
coverings, decorative items, carpets, drapes and window coverings, and including
parking areas, loading and unloading areas, trash areas, roadways, sidewalks,
walkways, stairways, parkways, driveways, landscaped areas, striping, bumpers,
irrigation systems, Common Area lighting facilities, building exteriors and
roofs, fences and gates;

                        (bb) All heating, air conditioning, plumbing, electrical
systems, life safety equipment, telecommunication and other equipment used in
common by, or for the benefit of, lessees or occupants of the Office Building
Project, including elevators and escalators, tenant directories, fire detection
systems including sprinkler system maintenance and repair.

                 (ii)   Trash disposal, janitorial and security services;

                 (iii)  Any other service to be provided by Lessor that is
elsewhere in this Lease stated to be an "Operating Expense";

                 (iv)   The cost of the premiums for the liability and property
insurance policies to be maintained by Lessor under paragraph 8 hereof;

                 (v)    The amount of the real property taxes to be paid by
Lessor under paragraph 10.1 hereof;

                 (vi)   The cost of water, sewer, gas, electricity and other
publicly mandated services to the Office Building Project;

                 (vii)  Labor, salaries and applicable fringe benefits and
costs, materials, supplies and tools, used in maintaining and/or cleaning the
Office Building Project and accounting and a management fee attributable to the
operation of the Office Building Project;

                 (viii) Replacing and/or adding improvements mandated by any
governmental agency and any repairs or removals necessitated thereby amortized
over its useful life according to Federal income tax regulations or guidelines
for depreciation thereof (including interest on the unamortized balance as is
then reasonable in the judgment of Lessor's accountants);

                 (x)    Replacements of equipment or improvements that have a
useful life for depreciation purposes according to Federal income tax guidelines
of five (5) years or less, as amortized over such life.

          (e)    Operating Expenses shall not include the costs of replacements
of equipment or improvements that have a useful life for Federal income tax
purposes in excess of five (5) years unless it is of the type described in
paragraph 4.2(d)(viii), in which case their cost shall be included as above
provided.

          (f)    Operating Expenses shall not include any expenses paid by any
lessee directly to third parties, or as to which Lessor is otherwise reimbursed
by any third party, other tenant, or by insurance proceeds.

          (g)    Lessee's Share of Operating Expense Increase shall be payable
by Lessee within ten (10) days after a reasonably detailed statement of actual
expenses is presented to Lessee by Lessor. At Lessor's option, however, an
amount may be estimated by Lessor from time to time in advance of Lessee's Share
of the Operating Expense Increase for any Comparison Year, and the same shall be
payable monthly or quarterly as Lessor shall designate, during each Comparison
Year of the Lease term, on the same day as the Base Rent is due hereunder. In
the event that Lessee pays Lessor's estimate of Lessee's Share of Operating
Expense Increase as aforesaid, Lessor shall deliver to Lessee within sixty (60)
days after the expiration of each Comparison Year a reasonably detailed
statement showing Lessee's Share of the actual Operating Expense Increase
incurred during such year. If Lessee's payments under this paragraph 4.2(g)
during said Comparison Year exceed Lessee's Share as indicated on said
statement, Lessee shall be entitled to credit the amount of such overpayment
against Lessee's Share of Operating Expense Increase next falling due. If
Lessee's payments under this paragraph during said Comparison Year was less than
Lessee's Share as indicated on said statement, Lessee shall pay to Lessor the
amount of the deficiency within ten (10) days after delivery by Lessor to Lessee
of said statement. Lessor and Lessee shall forthwith adjust between them by cash
payment any balance determined to exist with respect to that portion of the last
Comparison Year for which Lessee is responsible as to Operating Expense
Increases, notwithstanding that the Lease term may have terminated before the
end of such Comparison Year.

     4.3  Intentionally omitted.

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                     THIS SPACE INTENTIONALLY LEFT BLANK.

5.   Security Deposit.  Lessee shall deposit with Lessor upon execution hereof
the security deposit set forth in paragraph 1.9 of the Basic Lease Provisions as
security for Lessee's faithful performance of Lessee's obligations hereunder. If
Lessee fails to pay rent or other charges due hereunder, or otherwise defaults
with respect to any provision of this Lease, Lessor may use, apply or retain all
or any portion of said deposit for the payment of any rent or other charge in
default for the payment of any other sum to which Lessor may become obligated by
reason of Lessee's default, or to compensate Lessor for any loss or damage which
Lessor may suffer thereby. If Lessor so uses or applies all or any portion of
said deposit, Lessee shall within ten (10) days after written demand therefor
deposit cash with Lessor in an amount sufficient to restore said deposit to the
full amount then required of Lessee. If the monthly Base Rent shall, from time
to time, increase during the term of this Lease, Lessee shall, at the time of
such increase, deposit with Lessor additional money as a security deposit so
that the total amount of the security deposit held by Lessor shall at all times
bear the same proportion to the then current Base Rent as the initial security
deposit bears to the initial Base Rent set forth in paragraph 1.6 of the Basic
Lease Provisions. Lessor shall not be required to keep said security deposit
separate from its general accounts. If Lessee performs all of Lessee's
obligations hereunder, said deposit or so much thereof as has not heretofore
been applied by Lessor, shall be returned, without payment of interest or other
increment for its use, to Lessee for, at Lessor's option, to the last assignee,
if any, of Lessee's interest hereunder) at the expiration of the term hereof,
and after Lessee has vacated the Premises. No trust relationship is created
herein between Lessor and Lessee with respect to said Security Deposit.

6.   Use.

     6.1  Use.  The Premises shall be used and occupied only for the purpose set
forth in paragraph 1.4 of the Basic Lease Provisions and for no other purpose.

     6.2  Compliance with Law.

     (a)  Lessor warrants to Lessee that the Premises, in the state existing on
the date that the Lease term commences, but without regard to alterations or
improvements made by Lessee or the use for which Lessee will occupy the
Premises, does not violate any covenants or restrictions of record, or any
applicable building code, regulation or ordinance in effect on such Lease term
Commencement Date. In the event it is determined that this warranty has been
violated, then it shall be the obligation of the Lessor, after written notice
from Lessee, to promptly, at Lessor's sole cost and expense, rectify any such
violation.

     (b)  Except as provided in paragraph 6.2(a) Lessee shall, at Lessee's
expense, promptly comply with all applicable statutes, ordinances, rules,
regulations, orders, covenants and restrictions of record, and requirements of
any fire insurance underwriters or rating bureaus, now in effect or which may
hereafter come into effect, whether or not they reflect a change in policy from
that now existing, during the term or any part of the term hereof, relating in
any manner to the Premises and the occupation and use by Lessee of the Premises.
Lessee shall conduct its business in a lawful manner and shall not use or permit
the use of the Premises or the Common Areas in any manner that will tend to
create waste or a nuisance or shall tend to disturb other occupants of the
Office Building Project.

     6.3  Condition of Premises.

     (a)  Lessor shall deliver the Premises to Lessee in a clean condition on
the Lease Commencement Date (unless Lessee is already in possession) and Lessor
warrants to Lessee that the plumbing, lighting, air conditioning, and heating
system in the Premises shall be in good operating condition. In the event that
it is determined that this warranty has been violated, then it shall be the
obligation of Lessor, after receipt of written notice from Lessee setting forth
with specificity the nature of the violation, to promptly, at Lessor's sole
cost, rectify such violation.

     (b)  Except as otherwise provided in this Lease, Lessee hereby accepts the
Premises and the Office Building Project in their condition existing as of the
Lease Commencement Date or the date that Lessee takes possession of the
Premises, whichever is earlier, subject to all applicable zoning, municipal,
county and state laws, ordinances and regulations governing and regulating the
use of the Premises, and any assessments, covenants or restrictions of record,
and accepts this Lease subject thereto and to all matters disclosed thereby and
by any exhibits attached hereto. Lessee acknowledges that it has satisfied
itself by its own independent investigation that the Premises are suitable for
its intended use, and that neither Lessor nor Lessor's agent or agents has made
any representation or warranty as to the present or future suitability of the
Premises, Common Areas, or Office Building Project for the conduct of Lessee's
business.

7.   Maintenance, Repairs, Alterations and Common Area Services.

     7.1  Lessor's Obligations.  Lessor shall keep the Office Building Project,
including the Premises, interior and exterior walls, roof, and common areas, and
the equipment whether used exclusively for the Premises or in common with other
premises, in good condition and repair; provided, however, Lessor shall not be
obligated to paint, repair or replace wall coverings, or to repair or replace
any improvements that are not ordinarily a part of the Building or are above
then Building standards. Except as provided in paragraph 9.5, there shall be no
abatement of rent or liability of Lessee on account of any injury or
interference with Lessee's business with respect to any improvements,
alterations or repairs made by Lessor to the Office Building Project or any part
thereof. Lessee expressly waives the benefits of any statute now or hereafter in
effect which would otherwise afford Lessee the right to make repairs at Lessor's
expense or to terminate this Lease because of Lessor's failure to keep the
Premises in good order, condition and repair.

     7.2  Lessee's Obligations.

     (a)  Notwithstanding Lessor's obligation to keep the Premises in good
condition and repair, Lessee shall be responsible for payment of the cost
thereof to Lessor as additional rent for that portion of the cost of any
maintenance and repair of the Premises, or any equipment (wherever located) that
serves only Lessee or the Premises, to the extent such cost is attributable to
causes beyond normal wear and tear. Lessee shall be responsible for the cost of
painting, repairing or replacing wall coverings, and to repair or replace any
Premises improvements that are not ordinarily a part of the Building or that are
above the Building standards. Lessor may, at its option, upon reasonable notice,
elect to have Lessee perform any particular such maintenance or repairs the cost
of which is otherwise Lessee's responsibility hereunder.

     (b)  On the last day of the term hereof, or on any sooner termination,
Lessee shall surrender the Premises to Lessor in the same condition as received,
ordinary wear and tear excepted, clean and free of debris. Any damage or
deterioration of the Premises shall not be deemed ordinary wear and tear if the
same could have been prevented by good maintenance practices by Lessee. Lessee
shall repair any damage to the Premises occasioned by the installation or
removal of Lessee's trade fixtures, alterations, furnishings and equipment.
Except as otherwise stated in this Lease, Lessee shall leave the air lines,
power panels, electrical distribution systems, lighting fixtures, air
conditioning, window coverings, wall coverings, carpets, wall paneling, ceilings
and plumbing on the Premises and in good operating condition.

7.3  Alterations and Additions.

     (a)  Lessee shall not without Lessor's prior written consent make any
alterations, improvements, additions, Utility Installations or repairs in, on or
about the Premises, or the Office Building Project. As used in this paragraph
7.3 the term "Utility Installation" shall mean carpeting, window and wall
coverings, power panels, electrical distribution systems, lighting fixtures, air
conditioning, plumbing, and telephone and telecommunication wiring and
equipment. At the expiration of the term, Lessor may require the removal of any
or all of said alterations, improvements, additions or Utility Installations,
and the restoration of the Premises and the Office Building Project to their
prior condition, at Lessee's expense. Should Lessor permit Lessee to make its
own alterations, improvements, additions or Utility Installations, Lessee shall
use only such contractor as has been expressly approved by Lessor, and Lessor
may require Lessee to provide Lessor, at Lessee's sole cost and expense, a lien
and completion bond in an amount equal to one and one-half times the estimated
cost of such improvements, to insure Lessor against any liability for mechanic's
and materialmen's liens and to insure completion of the work. Should Lessee make
any alterations, improvements, additions or Utility Installations without the
prior approval of Lessor, or use a contractor not expressly approved by Lessor,
Lessor may, at any time during the term of this Lease, require that Lessee
remove any part or all of the same.

     (b)  Any alterations, improvements, additions or Utility Installations in
or about the Premises or the Office Building Project that Lessee shall desire to
make shall be presented to Lessor in written form, with proposed detailed plans.
If Lessor shall give its consent to Lessee's making such alteration,
improvement, addition or Utility Installation, the consent shall be deemed
conditioned upon Lessee's acquiring a permit to do so from the applicable
governmental agencies, furnishing a copy thereof to Lessor prior to the
commencement of the work, and compliance by Lessee with all conditions of said
permit in a prompt and expeditious manner.

     (c)  Lessee shall pay, when due, all claims for labor or materials
furnished or alleged to have been furnished to or for Lessee at or for use in
the Premises, which claims are or may be secured by any mechanic's or
materialmen's lien against the Premises, the Building or the Office Building
Project, or any interest therein.

     (d)  Lessee shall give Lessor not less than ten (10) days' notice prior to
the commencement of any work in the Premises by Lessee, and Lessor shall have
the right to post notices of non-responsibility in or on the Premises or on the
Building as provided by law. If Lessee shall, in good faith, contest the
validity of any such lien, claim or demand, then Lessee shall, at its sole
expense defend itself and Lessor against the same and shall pay and satisfy

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any such adverse judgment that may be rendered thereon before the enforcement
thereof against the Lessor or the Premises, the Building or the Office Building
Project, upon the condition that if Lessor shall require, Lessee shall furnish
to Lessor a surety bond satisfactory to Lessor in an amount equal to such
contested lien claim or demand indemnifying Lessor against liability for the
same and holding the Premises, the Building and the Office Building Project free
from the effect of such lien or claim. In addition, Lessor may require Lessee to
pay Lessor's reasonable attorneys' fees and costs in participating in such
action if Lessor shall decide it is to Lessor's best interest so to do.

     (e)  All alterations, improvements, additions and Utility Installations
(whether or not such Utility Installations constitute trade fixtures of Lessee),
which may be made to the Premises by Lessee, including but not limited to, floor
coverings, panelings, doors, drapes, built-ins, moldings, sound attenuation, and
lighting and telephone or communication systems, conduit, wiring and outlets,
shall be made and done in a good and workmanlike manner and of good and
sufficient quality and materials and shall be the property of Lessor and remain
upon and be surrendered with the Premises at the expiration of the Lease term,
unless Lessor requires their removal pursuant to paragraph 7.3(a). Provided
Lessee is not in default, notwithstanding the provisions of this paragraph
7.3(e), Lessee's personal property and equipment, other than that which is
affixed to the Premises so that it cannot be removed without material damage to
the Premises or the Building, and other than Utility Installations, shall remain
the property of Lessee and may be removed by Lessee subject to the provisions of
paragraph 7.2.

     (f)  Lessee shall provide Lessor with as-built plans and specifications for
any alterations, improvements, additions or Utility Installations.

     7.4  Utility Additions.  Lessor reserves the right to install new or
additional utility facilities throughout the Office Building Project for the
benefit of Lessor or Lessee, or any other lessee of the Office Building Project,
including, but not by way of limitation, such utilities as plumbing, electrical
systems. communication systems, and fire protection and detection systems, so
long as such installations do not unreasonably interfere with Lessee's use of
the Premises.

8.   Insurance; Indemnity.

     8.1  Liability Insurance-Lessee.  Lessee shall, at Lessee's expense, obtain
and keep in force during the term of this Lease a policy of Comprehensive
General Liability insurance utilizing an insurance Services Office standard form
with Broad Form General Liability Endorsement (GL0404), or equivalent, in an
amount of not less than $2,000,000 per occurrence of bodily injury and property
damage combined or in a greater amount as reasonably determined by Lessor and
shall insure Lessee with Lessor as an additional insured against liability
arising out of the use, occupancy or maintenance of the Premises. Compliance
with the above requirement shall not, however, limit the liability of Lessee
hereunder.

     8.2  Liability Insurance-Lessor. Lessor shall obtain and keep in force
during the term of this Lease a policy of Combined Single Limit Bodily Injury
and Broad Form Property Damage Insurance, plus coverage against such other risks
Lessor deems advisable from time to time, insuring Lessor, but not Lessee,
against liability arising out of the ownership, use, occupancy or maintenance of
the Office Building Project in an amount not less than $5,000,000.00 per
occurrence.

     8.3  Property Insurance-Lessee. Lessee shall, at Lessee's expense, obtain
and keep in force during the term of this Lease for the benefit of Lessee,
replacement cost fire and extended coverage insurance, with vandalism and
malicious mischief, sprinkler leakage and earthquake sprinkler leakage
endorsements, in an amount sufficient to cover not less than 100% of the full
replacement cost, as the same may exist from time to time, of all of Lessee's
personal property, fixtures, equipment and tenant improvements.

     8.4  Property Insurance-Lessor. Lessor shall obtain and keep in force
during the term of this Lease a policy or policies of insurance covering loss or
damage to the Office Building Project improvements, but not Lessee's personal
property, fixtures, equipment or tenant improvements, in the amount of the full
replacement cost thereof, as the same may exist from time to time, utilizing
Insurance Services Office standard form, or equivalent, providing protection
against all perils included within the classification of fire, extended
coverage, vandalism, malicious mischief, plate glass, and such other perils as
Lessor deems advisable or may be required by a lender having a lien on the
Office Building Project. In addition, Lessor shall obtain and keep in force,
during the term of this Lease, a policy of rental value insurance covering a
period of one year, with loss payable to Lessor, which insurance shall also
cover all Operating Expenses for said period. Lessee will not be named in any
such policies carried by Lessor and shall have no right to any proceeds
therefrom. The policies required by these paragraphs 8.2 and 8.4 shall contain
such deductibles as Lessor or the aforesaid lender may determine. In the event
that the Premises shall suffer an insured lose as defined in paragraph 9.1(f)
hereof, the deductible amounts under the applicable insurance policies shall be
deemed an Operating Expense. Lessee shall not do or permit to be done anything
which shall invalidate the insurance policies carried by Lessor. Lessee shall
pay the entirety of any increase in the property insurance premium for the
Office Building Project over what it was immediately prior to the commencement
of the term of this Lease if the increase is specified by Lessor's insurance
carrier as being caused by the nature of Lessee's occupancy or any act or
omission of Lessee.

     8.5  Insurance Policies. Lessee shall deliver to Lessor copies of liability
insurance policies required under paragraph 8.1 or certificates evidencing the
existence and amounts of such insurance within seven (7) days after the
Commencement Date of this Lease. No such policy shall be cancelable or subject
to reduction of coverage or other modification except after thirty (30) days
prior written notice to Lessor.  Lessee shall, at least thirty (30) days prior
to the expiration of such policies, furnish Lessor with renewals thereof.

     8.6  Waiver of Subrogation. Lessee and Lessor each hereby release and
relieve the other, and waive their entire right of recovery against the other,
for direct or consequential loss or damage arising out of or incident to the
perils covered by property insurance carried by such party, whether due to the
negligence of Lessor or Lessee or their agents, employees, contractors and/or
invitees. If necessary all property insurance policies required under this Lease
shall be endorsed to so provide.

     8.7  Indemnity. Lessee shall indemnify and hold harmless Lessor and its
agents, Lessor's master or ground lessor, partners and lenders, from and against
any and all claims for damage to the person or property of anyone or any entity
arising from Lessee's use of the Office Building Project, or from the conduct of
Lessee's business or from any activity, work or things done, permitted or
suffered by Lessee in or about the Premises or elsewhere and shall further
indemnify and hold harmless Lessor from and against any and all claims, costs
and expenses arising from any breach or default in the performance of any
obligation on Lessee's part to be performed under the terms of this Lease, or
arising from any act or omission of Lessee, or any of Lessee's agents,
contractors, employees, or invitees, and from and against all costs, attorney's
fees, expenses and liabilities incurred by Lessor as the result of any such use,
conduct, activity, work, things done, permitted or suffered, breach, default or
negligence, and in dealing reasonably therewith, including but not limited to
the defense or pursuit of any claim or any action or proceeding involved
therein; and in case any action or proceeding be brought against Lessor by
reason of any such matter, Lessee, upon notice from Lessor shall defend the same
at Lessee's expense by counsel reasonably satisfactory to Lessor and Lessor
shall cooperate with Lessee in such defense. Lessor need not have first paid any
such claim in order to be so indemnified. Lessee, as a material part of the
consideration to Lessor, hereby assumes all risk of damage to property of Lessee
or injury to persons, in, upon or about the Office Building Project arising from
any cause and Lessee hereby waives all claims in respect thereof against Lessor.

     8.8  Exemption of Lessor from Liability. Lessee hereby agrees that Lessor
shall not be liable for injury to Lessee's business or any loss of income
therefrom or for loss of or damage to the goods, wares, merchandise or other
property of Lessee, Lessee's employees, invitees, customers, or any other person
in or about the Premises or the Office Building Project, nor shall Lessor be
liable for injury to the person of Lessee, Lessee's employees, agents or
contractors, whether such damage or injury is caused by or results from theft,
fire, steam, electricity, gas, water or rain, or from the breakage, leakage,
obstruction or other defects of pipes, sprinklers, wires, appliances, plumbing,
air conditioning or lighting fixtures or from any other cause, whether said
damage or injury results from conditions arising upon the Premises or upon other
portions of the Office Building Project, or from other sources or places, or
from new construction or the repair, alteration or improvement of any part of
the Office Building Project, or of the equipment, fixtures or appurtenances
applicable thereto, and regardless of whether the cause of such damage or injury
or the means of repairing the same is inaccessible, Lessor shall not be liable
for any damages arising from any act or neglect of any other lessee, occupant or
user of the Office Building Project, nor from the failure of Lessor to enforce
the provisions of any other lease of any other lessee of the Office Building
Project.

     8.9  No Representation of Adequate Coverage. Lessor makes no representation
that the limits or forms of coverage of insurance specified in this paragraph 8
are adequate to cover Lessee's property or obligations under this Lease.

9.   Damage or Destruction.

     9.1  Definitions.

     (a)  "Premises Damage" shall mean if the Premises are damaged or destroyed
to any extent.

     (b)  "Premises Building Partial Damage" shall mean if the Building of which
this Premises are a part is damaged or destroyed to the extent that the cost to
repair is less than fifty percent (50%) at the then Replacement Cost of the
building.

     (c)  "Premises Building Total Destruction" shall mean if the Building of
which the Premises are a part is damaged or destroyed to the extent that the
cost to repair is fifty percent (50%) or more of the then Replacement Cost of
the Building.

     (d)  "Office Building Project Buildings" shall mean all of the buildings on
the Office Building Project site.

     (e)  "Office Building Project Buildings Total Destruction" shall mean if
the Office Building Project Buildings are damaged or destroyed to the extent
that the cost of repair is fifty percent (50%) or more of the then Replacement
Cost of the Office Building Project Buildings.

     (f)  "Insured Loss" shall mean damage or destruction which was caused by an
event required to be covered by the insurance described in paragraph 8. The fact
that an Insured Loss has a deductible amount shall not make the loss an
uninsured loss.

     (g)  "Replacement Cost" shall mean the amount of money necessary to be
spent in order to repair or rebuild the damaged area to the condition that
existed immediately prior to the damage occurring, excluding all improvements
made by lessees, other than those installed by Lessor at Lessee's expense.

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9.2  Premises Damage; Premises Building Partial Damage.

     (a)  Insured Loss: Subject to the provisions of paragraphs 9.4 and 9.5, if
at any time during the term of this Lease there is damage which is an Insured
Loss and which falls into the classification of either Premises Damage or
Premises Building Partial Damage, then Lessor shall, as soon as reasonably
possible and to the extent the required materials and labor are readily
available through usual commercial channels, at Lessor's expense, repair such
damage (but not Lessee's fixtures, equipment or tenant improvements originally
paid for by Lessee) to its condition existing at the time of the damage, and
this Lease shall continue in full force and effect.

     (b)  Uninsured Loss: Subject to the provisions of paragraphs 9.4 and 9.5,
if at any time during the term of this Lease there is damage which is not an
Insured Loss and which falls within the classification of Premises Damage or
Premises Building Partial Damage, unless caused by a negligent or willful act of
Lessee (in which event Lessee shall make the repairs at Lessee's expense), which
damage prevents Lessee from making any substantial use of the Premises, Lessor
may at Lessor's option either (i) repair such damage as soon as reasonably
possible at Lessor's expense, in which event this Lease shall continue in full
force and effect, or (iii) give written notice to Lessor within thirty (30) days
after the date of the occurrence of such damage of Lessor's intention to cancel
and terminate this Lease as of the date of the occurrence of such damage, in
which event this Lease shall terminate as of the date of the occurrence of such
damage.

     9.3  Premises Building Total Destruction; Office Building Project Total
Destruction. Subject to the provisions of paragraphs 9.4 and 9.5, if at any time
during the term of this Lease there is damage, whether or not it is an Insured
Loss, which falls into the classifications of either (i) Premises Building Total
Destruction, or (ii) Office Building Project Total Destruction, then Lessor may
at Lessor's option either (i) repair such damage or destruction as soon as
reasonably possible at Lessor's expense (to the extent the required materials
are readily available through usual commercial channels) to its condition
existing at the time of the damage, but not Lessee's fixtures, equipment or
tenant improvements, and this Lease shall continue in full force and effect, or
(iii) give written notice to Lessee within thirty (30) days after the date of
occurrence of such damage of Lessor's intention to cancel and terminate this
Lease, in which case this Lease shall terminate as of the date of the occurrence
of such damage.

     9.4  Damage Near End of Term.

     (a)  Subject to paragraph 9.4(b), if at any time during the last twelve
(12) months of the term of this Lease there is substantial damage to the
Premises, Lessor may at Lessor's option cancel and terminate this Lease as of
the date of occurrence of such damage by giving written notice to Lessee of
Lessor's election to do so within 30 days after the date of occurrence of such
damage.

     (b)  Notwithstanding paragraph 9.4(a), in the event that Lessee has an
option to extend or renew this Lease, and the time within which said option may
be exercised has not yet expired, Lessee shall exercise such option, if it is to
be exercised at all, no later than twenty (20) days after the occurrence of an
Insured Loss falling within the classification of Premises Damage during the
last twelve (12) months of the term of this Lease. If Lessee duly exercises such
option during said twenty (20) day period, Lessor shall, at Lessor's expense,
repair such damage, but not Lessee's fixtures, equipment or tenant improvements,
as soon as reasonably possible and this Lease shall continue in full force and
effect. If Lessee fails to exercise such option during said twenty (20) day
period, then Lessor may at Lessor's option terminate and cancel this Lease as of
the expiration of said twenty (20) day period by giving written notice to Lessee
of Lessor's election to do so within ten (10) days after the expiration of said
twenty (20) day period, notwithstanding any term or provision in the grant of
option to the contrary.

     9.5  Abatement of Rent; Lessee's Remedies.

     (a)  In the event Lessor repairs or restores the Building or Premises
pursuant to the provisions of this paragraph 9, and any part of the Premises are
not usable (including lost of use due to loss of access or essential services),
the rent payable hereunder (including Lessee's Share of Operating Expense
Increase) for the period during which such damage, repair or restoration
continues shall be abated, provided (1) the damage was not the result of the
negligence of Lessee, and (2) such abatement shall only be to the extent the
operation and profitability of Lessee's business as operated from the Premises
is adversely affected. Except for said abatement of rent, if any, Lessee shall
have no claim against Lessor for any damage suffered by reason of any such
damage, destruction, repair or restoration.

     (b)  If Lessor shall be obligated to repair or restore the Premises or the
Building under the provisions of this Paragraph 9 and shall not commence such
repair or restoration within ninety (90) days after such occurrence, or it
Lessor shall not complete the restoration and repair within six (6) months after
such occurrence, Lessee may at Lessee's option cancel and terminate this Lease
by giving Lessor written notice of Lessee's election to do so at any time prior
to the commencement or completion, respectively, of such repair or restoration.
In such event this Lease shall terminate as of the date of such notice.

     (c)  Lessee agrees to cooperate with Lessor in connection with any such
restoration and repair, including but not limited to the approval and/or
execution of plans and specifications required.

     9.6  Termination-Advance Payments. Upon termination of this Lease pursuant
to this paragraph 9, an equitable adjustment shall be made concerning advance
rent and any advance payments made by Lessee to Lessor.  Lessor shall, in
addition, return to Lessee so much of Lessee's security deposit as has not
theretofore been applied by Lessor.

     9.7  Waiver.  Lessor and Lessee waive the provisions of any statute which
relate to termination of leases when leased property is destroyed and agree that
such event shall be governed by the terms of this Lease.

10.  Real Property Taxes.

     10.1 Payment of Taxes. Lessor shall pay the real property tax, as defined
in paragraph 10.3, applicable to the Office Building Project subject to
reimbursement by Lessee of Lessor's Share of such taxes in accordance with the
provisions of paragraph 4.2, except as otherwise provided in paragraph 10.2.

     10.2 Additional Improvements. Lessee shall not be responsible for paying
any increase in real property tax specified in the tax assessor's records and
work sheets as being caused by additional improvements placed upon the Office
Building Project by other lessees or by Lessor for the exclusive enjoyment of
any other lessee. Lessee shall, however, pay to Lessor at the time that
Operating Expenses are payable under paragraph 4.2(c) the entirety of any
increase in real property tax if assessed solely by reason of additional
improvements placed upon the Premises by Lessee or at Lessee's request.

     10.3 Definition of "Real Property Tax." As used herein, the term "real
property tax" shall include any form of real estate tax or assessment, general,
special, ordinary or extraordinary, and any license fee, commercial rental tax,
improvement bond or bonds, levy or tax (other than inheritance, personal income
or estate taxes) imposed on the Office Building Project or any portion thereof
by any authority having the direct or indirect power to tax, including any city,
county, state or federal government or any school, agricultural, sanitary, fire,
street, drainage or other improvement district thereof, as against any legal or
equitable interest of Lessor in the Office Building Project, or in any portion
thereof, as against Lessor's right to rent or other income therefrom, and as
against Lessor's business of leasing the Office Building Project. The term "real
property tax" shall also include any tax, fee, levy, assessment or charge (i) in
substitution of, partially or totally, any tax, fee, levy, assessment or charge
hereinabove included within the definition of "real property tax" or (ii) the
nature of which was hereinbefore included within the definition of "real
property tax," or (iii) which is imposed for a service or right not charged
prior to June 1, 1978, or if previously charged, has been increased since June
1, 1978 or (iv) which is imposed as a result of a change in ownership, as
defined by applicable local statutes for property tax purposes, of the Office
Building Project or which is added to a tax or charge hereinbefore included
within the definition of real property tax by reason of such change of
ownership, or (v) which is imposed by reason of this transaction, any
modifications or changes hereto, or any transfers hereof.

     10.4 Joint Assessment. If the improvements or property, the taxes for
which are to be paid separately by Lessee under paragraph 10.2 or 10.5 are not
separately assessed, Lessee's portion of that tax shall be equitably determined
by Lessor from the respective valuations assigned in the assessor's work sheets
or such other information (which may include the cost of construction) as may be
reasonably available. Lessor's reasonable determination thereof, in good faith,
shall be conclusive.

     10.5 Personal Property Taxes.

     (a)  Lessee shall pay prior to delinquency all taxes assessed against and
levied upon trade fixtures, furnishings, equipment and all other personal
property of Lessee contained in the Premises or elsewhere.

     (b)  If any of Lessee's said personal property shall be assessed with
Lessor's real property, Lessee shall pay to Lessor the taxes attributable to
Lessee within ten (10) days after receipt of a written statement setting forth
the taxes applicable to Lessee's property.

11.  Utilities.

     11.1 Services Provided by Lessor. Lessor shall provide heating,
ventilation, air conditioning, and janitorial service as reasonably required,
reasonable amounts of electricity for normal lighting and office machines, water
for reasonable and normal drinking and lavatory use, and replacement light bulbs
and/or fluorescent tubes and ballasts for standard overhead fixtures.

     11.2 Services Exclusive to Lessee. Lessee shall pay for all water, gas,
heat, light, power, telephone and other utilities and services specially or
exclusively supplied and/or metered exclusively to the Premises or to Lessee,
together with any taxes thereon. If any such services are not separately metered
to the Premises, Lessee shall pay at Lessor's option, either Lessee's Share or a
reasonable proportion to be determined by Lessor of all charges jointly metered
with other Premises in the Building.

     11.3 Hours of Service. Said services and utilities shall be provided
during generally accepted business days and hours or such other days or hours as
may hereafter be set forth. Utilities and services required at other times shall
be subject to advance request and reimbursement by Lessee to Lessor of the cost
thereof.

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     11.4 Excess Usage by Lessee. Lessee shall not make connection to the
utilities except by or through existing outlets and shall not install or use
machinery or equipment in or about the Premises that uses excess water, lighting
or power, or suffer or permit any act that causes extra burden upon the
utilities or services, including but not limited to security services, over
standard office usage for the Office Building Project. Lessor shall require
Lessee to reimburse Lessor for any excess expenses or costs that may arise out
of a breach of this subparagraph by Lessee. Lessor may, in its sole discretion,
install at Lessee's expense supplemental equipment and/or separate metering
applicable to Lessee's excess usage or loading.

     11.5 Interruptions. There shall be no abatement of rent and Lessor shall
not be liable in any respect whatsoever for the inadequacy, stoppage,
interruption or discontinuance of any utility or service due to riot, strike,
labor dispute, breakdown, accident, repair or other cause beyond Lessor's
reasonable control or in cooperation with governmental request or directions.

12.  Assignment and Subletting.

     12.1 Lessor's Consent Required. Lessee shall not voluntarily or by
operation of law assign, transfer, mortgage, sublet, or otherwise transfer or
encumber all or any part of Lessee's interest in the Lease or in the Premises,
without Lessor's prior written consent, which Lessor shall not unreasonably
withhold. Lessor shall respond to Lessee's request for consent hereunder in a
timely manner and any attempted assignment, transfer, mortgage, encumbrance or
subletting without such consent shall be void, and shall constitute a material
default and breach of this Lease without the need for notice to Lessee under
paragraph 13.1. "Transfer" within the meaning of this paragraph 12 shall include
the transfer or transfers aggregating: (a) if Lessee is a corporation, more than
twenty-five percent (25%) of the voting stock of such corporation, or (b) if
Lessee is a partnership, more than twenty-five percent (25%) of the profit and
loss participation in such partnership.

     12.2 Lessee Affiliate. Notwithstanding the provisions of paragraph 12.1
hereof, Lessee may assign or sublet the Premises, or any portion thereof,
without Lessor's consent, to any corporation which controls, is controlled by or
is under common control with Lessee, or to any corporation resulting from the
merger or consolidation with Lessee, or to any person or entity which acquires
all the assets of Lessee as a going concern of the business that is being
conducted on the Premises, all of which are referred to as "Lessee Affiliate";
provided that before such assignment shall be effective, (a) said assignee shall
assume, in full, the obligations of Lessee under this Lease and (b) Lessor shall
be given written notice of such assignment and assumption. Any such assignment
shall not, in any way, affect or limit the liability of Lessee under the terms
of this Lease even if after such assignment or subletting the terms of this
Lease are materially changed or altered without the consent of Lessee, the
consent of whom shall not be necessary.

12.3 Terms and Conditions Applicable to Assignment and Subletting.

     (a)  Regardless of Lessor's consent, no assignment or subletting shall
release Lessee of Lessee's obligations hereunder or alter the primary liability
of Lessee to pay the rent and other sums due Lessor hereunder including Lessee's
Share of Operating Expense Increase, and to perform all other obligations to be
performed by Lessee hereunder.

     (b)  Lessor may accept rent from any person other than Lessee pending
approval or disapproval of such assignment.

     (c)  Neither a delay in the approval or disapproval of such assignment or
subletting, nor the acceptance of rent, shall constitute a waiver or estoppel of
Lessor's right to exercise its remedies for the breach of any of the terms or
conditions of this paragraph 12 or this Lease.

     (d)  If Lessee's obligations under this Lease have been guaranteed by third
parties, then an assignment or sublease, and Lessor's consent thereto, shall not
be effective unless said guarantors give their written consent to such sublease
and the terms thereof.

     (e)  The consent by Lessor to any assignment or subletting shall not
constitute a consent to any subsequent assignment or subletting by Lessee or to
any subsequent or successive assignment or subletting by the sublessee. However,
Lessor nay consent to subsequent sublettings and assignments of the sublease or
any amendments or modifications thereto without notifying Lessee or anyone else
liable on the Lease or sublease and without obtaining their consent and such
action shall not relieve such persons from liability under this Lease or said
sublease; however, such persons shall not be responsible to the extent any such
amendment or modification enlarges or increases the obligations of the Lessee or
sublessee under this Lease or such sublease.

     (f)  In the event of any default under this Lease, Lessor may proceed
directly against Lessee, any guarantors or any one else responsible for the
performance of this Lease, including the sublessee, without first exhausting
Lessor's remedies against any other person or entity responsible therefor to
Lessor, or any security held by Lessor or Lessee.

     (g)  Lessor's written consent to any assignment or subletting of the
Premises by Lessee shall not constitute an acknowledgement that no default then
exists under this Lease of the obligations to be performed by Lessee nor shall
such consent be deemed a waiver of any then existing default, except as may be
otherwise stated by Lessor at the time.

     (h)  The discovery of the fact that any financial statement relied upon by
Lessor in giving its consent to an assignment or subletting was materially false
shall, at Lessor's election, render Lessor's said consent null and void.

     12.4 Additional Terms and Conditions Applicable to Subletting. Regardless
of Lessor's consent, the following terms and conditions shall apply to any
subletting by Lessee of all or any part of the Premises and shall be deemed
included in all subleases under this Lease whether or not expressly incorporated
therein:

     (a)  Lessee hereby assigns and transfers to Lessor all of Lessor's interest
in all rentals and income arising from any sublease heretofore or hereafter made
by Lessee, and Lessor may collect such rent and income and apply same toward
Lessee's obligations under this Lease; provided, however, that until a default
shall occur in the performance of Lessee's obligations under this Lease, Lessee
may receive, collect and enjoy the rents accruing under such sublease. Lessor
shall not, by reason of this or any other assignment of such sublease to Lessor
nor by reason of the collection of the rents from a sublessee, be deemed liable
to the sublessee for any failure of Lessee to perform and comply with any of
Lessee's obligations to such sublessee under such sublease. Lessee hereby
irrevocably authorizes and directs any such sublessee, upon receipt of a written
notice from Lessor stating that a default exists in the performance of Lessee's
obligations under this Lease, to pay to Lessor the rents due and to become due
under the sublease. Lessee agrees that such sublessee shall have the right to
rely upon any such statement and request from Lessor, and that such sublessee
shall pay such rents to Lessor without any obligation or right to inquire as to
whether such default exists and notwithstanding any notice from or claim from
Lessee to the contrary, Lessee shall have no right or claim against said
sublessee or Lessor for any such rents so paid by said sublessee to Lessor.

     (b)  No sublease entered into by Lessee shall be effective unless and until
it has been approved in writing by Lessor. In entering into any sublease, Lessee
shall use only such form of sublessee as is satisfactory to Lessor, and once
approved by Lessor, such sublease shall not be changed or modified without
Lessor's prior written consent. Any sublease shall, by reason of entering into a
sublease under this Lease, be deemed, for the benefit of Lessor, to have assumed
and agreed to conform and comply with each and every obligation herein to be
performed by Lessee other than such obligations as are contrary to or
inconsistent with provisions contained in a sublease to which Lessor has
expressly consented in writing.

     (c)  In the event Lessee shall default in the performance of its
obligations under this Lease, Lessor at its option and without any obligation to
do so, may require any sublessee to attorn to Lessor, in which event Lessor
shall undertake the obligations of Lessee under such sublease from the time of
the exercise of said option to the termination of such sublease; provided,
however, Lessor shall not be liable for any prepaid rents or security deposit
paid by such sublessee to Lessee or for any other prior defaults of Lessee under
such sublease.

     (d)  No sublessee, shall further assign or sublet all or any part of the
Premises without Lessor's prior written consent.

     (e)  With respect to any subletting to which Lessor has consented, Lessor
agrees to deliver a copy of any notice of default by Lessee to the sublessee.
Such sublessee shall have the right to cure a default of Lessee within three (3)
days after service of said notice of default upon such sublessee, and the
sublessee shall have a right of reimbursement and offset from and against Lessee
for any such defaults cured by the sublessee.

     12.5 Lessor's Expenses. In the event Lessee shall assign or sublet the
Premises or request the consent of Lessor to any assignment or subletting or if
Lessee shall request the consent of Lessor for any act Lessee proposes to do
then Lessee shall pay Lessor's reasonable costs and expenses incurred in
connection therewith, including attorneys', architects', engineers' or other
consultants' fees.

     12.6 Conditions to Consent. Lessor reserves the right to condition any
approval to assign or sublet upon Lessor's determination that (a) the proposed
assignee or sublessee shall conduct a business on the Premises of a quality
substantially equal to that of Lessee and consistent with the general character
of the other occupants of the Office Building Project and not in violation of
any exclusives or rights then held by other tenants, and (b) the proposed
assignee or sublessee be at least as financially responsible as Lessee was
expected to be at the time of the execution of this Lease or of such assignment
or subletting, whichever is greater.

13.  Default; Remedies.

     13.1 Default. The occurrence of any one or more of the following events
shall constitute a material default of this Lease by Lessee:

     (a)  The vacation or abandonment of the Premises by Lessee. Vacation of the
Premises shall include the failure to occupy the Premises for a continuous
period of sixty (60) days or more, whether or not the rent is paid.

     (b)  The breach by Lessee of any of the covenants, conditions or provisions
of paragraphs 7.3(a), (b) or (d) (alterations), 12.1 (assignment or subletting),
13.1(a) (vacation or abandonment), 13.1(e) (insolvency), 13.1(f) (false
statement), 16(a) (estoppel certificate), 30(b) (subordination), 33 (auctions),
or 41.1 (easements), all of which are hereby deemed to be material, non-curable
defaults without the necessity of any notice by Lessor to Lessee thereof.

     (c)  The failure by Lessee to make any payment of rent or any other payment
required to be made by Lessee hereunder, as and when due, where such failure
shall continue for a period of three (3) days after written notice thereof from
Lessor to Lessee. In the event that Lessor serves Lessee with a Notice to Pay
Rent or Quit pursuant to applicable Unlawful Detainer statutes such Notice to
Pay Rent or Quit shall also constitute the notice required by this subparagraph.

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     (d)  The failure by Lessee to observe or perform any of the covenants,
conditions or provisions of this Lease to be observed or performed by Lessee
other than those referenced in subparagraphs (b) and (c), above, where such
failure shall continue for a period of thirty (30) days after written notice
thereof from Lessor to Lessee; provided, however, that if the nature of Lessee's
noncompliance is such that more than thirty (30) days are reasonably required
for its cure, then Lessee shall not be deemed to be in default if Lessee
commenced such cure within said thirty (30) day period and thereafter diligently
pursues such cure to completion. To the extent permitted by law, such thirty
(30) day notice shall constitute the sole and exclusive notice required to be
given to Lessee under applicable Unlawful Detainer statutes.

     (e)  (i) The making by Lessee of any general arrangement or general
assignment for the benefit of creditors; (ii) Lessee becoming a "debtor" as
defined in 11 U.S.C. (S)101 or any successor statute thereto (unless, in the
case of a petition filed against Lessee, the same is dismissed within sixty (60)
days; (iii) the appointment of a trustee or receiver to take possession of
substantially all of Lessee's assets located at the Premises or of Lessee's
interest in this Lease, where possession is not restored to Lessee within thirty
(30) days; or (iv) the attachment, execution or other judicial seizure of
substantially all of Lessee's assets located at the Premises or of Lessee's
interest in this Lease, where such seizure is not discharged within thirty (30)
days. In the event that any provision of this paragraph 13.1(e) is contrary to
any applicable law, such provision shall be of no force or effect.

     (f)  The discovery by Lessor that any financial statement given to Lessor
by Lessee, or its successor in interest or by any guarantor of Lessee's
obligation hereunder, was materially false.

     13.2 Remedies. In the event of any material default or breach of this
Lease by Lessee, Lessor may at any time thereafter, with or without notice or
demand and without limiting Lessor in the exercise of any right or remedy which
Lessor may have by reason of such default:

     (a)  Terminate Lessee's right to possession of the Premises by any lawful
means, in which case this Lease and the form hereof shall terminate and Lessee
shall immediately surrender possession of the Premises to Lessor. In such event
Lessor shall be entitled to recover from Lessee all damages incurred by Lessor
by reason of Lessee's default including, but not limited to, the cost of
recovering possession of the Premises; expenses of reletting, including
necessary renovation and alteration of the Premises, reasonable attorneys' fees
and any real estate commission actually paid: the worth at the time of award by
the court having jurisdiction thereof of the amount by which the unpaid rent for
the balance of the term after the time of such award exceeds the amount of such
rental loss for the same period that Lessee proves could be reasonably avoided;
that portion of the leasing commission paid by Lessor pursuant to paragraph 15
applicable to the unexpired term of this Lease.

     (b)  Maintain Lessee's right to possession in which case this Lease shall
continue in effect whether or not Lessee shall have vacated or abandoned the
Premises. In such event Lessor shall be entitled to enforce all of Lessor's
rights and remedies under this Lease, including the right to recover the rent as
it becomes due hereunder.

     (c)  Pursue any other remedy now or hereafter available to Lessor under the
laws or judicial decisions of the state wherein the Premises are located. Unpaid
installments of rent and other unpaid monetary obligations of Lessee under the
terms of this Lease shall bear interest from the date due at the maximum rate
then allowable by law

     13.3 Default by Lessor. Lessor shall not be in default unless Lessor fails
to perform obligations required of Lessor within a reasonable time, but in no
event later than thirty (30) days after written notice by Lessee to Lessor and
to the holder of any first mortgage or deed of trust covering the Premises whose
name and address shall have theretofore been furnished to Lessee in writing,
specifying wherein Lessor has failed to perform such obligation; provided,
however, that if the nature of Lessor's obligation is such that more than thirty
(30) days are required for performance then Lessor shall not be in default if
Lessor commences performance within such 30-day period and thereafter diligently
pursues the same to completion.

     13.4 Late Charges. Lessee hereby acknowledges that late payment by Lessee
to Lessor of Base Rent, Lessee's Share of Operating Expense Increase or other
sums due hereunder will cause Lessor to incur costs not contemplated by this
Lease, the exact amount of which will be extremely difficult to ascertain. Such
costs include, but are not limited to, processing and accounting charges, and
late charges which may be imposed on Lessor by the terms of any mortgage or
trust deed covering the Office Building Project. Accordingly, if any installment
of Base Rent, Operating Expense Increase, or any other sum due from Lessee shall
not be received by Lessor or Lessor's designee within ten (10) days after such
amount shall be due, then, without any requirement for notice to Lessor, Lessee
shall pay to Lessor a late charge equal to 6% of such overdue amount. The
parties hereby agree that such late charge represents a fair and reasonable
estimate of the costs Lessor will incur by reason of late payment by Lessee.
Acceptance of such late charge by Lessor shall in no event constitute a waiver
of Lessee's default with respect to such overdue amount, nor prevent Lessor from
exercising any of the other rights and remedies granted hereunder.

     14.  Condemnation. If the Premises or any portion thereof or the Office
Building Project are taken under the power of eminent domain, or sold under the
threat of the exercise of said power (all of which are herein called
"condemnation"), this Lease shall terminate as to the part so taken as of the
date the condemning authority takes title or possession, whichever first occurs;
provided that if so much of the Premises or the Office Building Project are
taken by such condemnation as would substantially and adversely affect the
operation and profitability of Lessee's business conducted from the Premises,
Lessee shall have the option, to be exercised only in writing within thirty (30)
days after Lessor shall have given Lessee written notice of such taking (or in
the absence of such notice, within thirty (30) days after the condemning
authority shall have taken possession), to terminate this Lease as of the date
the condemning authority takes such possession. If Lessee does not terminate
this Lease in accordance with the foregoing, this Lease shall remain in full
force and effect as to the portion of the Premises remaining, except that the
rent and Lessee's Share of Operating Expense Increase shall be reduced in the
proportion that the floor area of the Premises taken bears to the total floor
area of the Premises. Common Areas taken shall be excluded from the Common Areas
usable by Lessee and no reduction of rent shall occur with respect thereto or by
reason thereof. Lessor shall have the option in its sole discretion to terminate
this Lease as of the taking of possession by the condemning authority, by giving
written notice to Lessee of such election within thirty (30) days after receipt
of notice of a taking by condemnation of any part of the Premises or the Office
Building Project. Any award for the taking of all or any part of the Premises or
the Office Building Project under the power of eminent domain or any payment
made under threat of the exercise of such power shall be the property of Lessor,
whether such award shall be made as compensation for diminution in value of the
leasehold or for the taking of the fee, or as severance damages; provided,
however, that Lessee shall be entitled to any separate award for loss of or
damage to Lessee's trade fixtures, removable personal property and unamortized
tenant improvements that have been paid for by Lessee. For that purpose the cost
of such improvements shall be amortized over the original term of this Lease
excluding any options. In the event that this Lease is not terminated by reason
of such condemnation, Lessor shall to the extent of severance damages received
by Lessor in connection with such condemnation, repair any damage to the
Premises caused by such condemnation except to the extent that Lessee has been
reimbursed therefor by the condemning authority. Lessee shall pay any amount in
excess of such severance damages required to complete such repair.

15.  Broker's Fee.

     (a)  The brokers involved in this transaction are The Seeley Company as
                                                       ------------------
"listing broker" and The Seeley Company as "cooperating broker," licensed real
                     ------------------
estate broker(s). A "cooperating broker" is defined as any broker other than the
listing broker entitled to a share of any commission arising under this Lease.
Upon execution of this Lease by both parties, Lessor shall pay to said brokers
jointly, or in such separate shares as they may mutually designate in writing, a
fee as set forth in a separate agreement between Lessor and said broker(s).

(b)  Intentionally omitted.

(c)  Intentionally omitted.


     (d)  Lessee and Lessor each represent and warrant to the other that neither
has had any dealings with any person, firm, broker or finder (other than the
person(s), if any, whose names are set forth in paragraph 15(a), above) in
connection with the negotiation of this Lease and/or the consummation of the
transaction contemplated hereby, and no other broker or other person, firm or
entity is entitled to any commission or finder's fee in connection with said
transaction and Lessee and Lessor do each hereby indemnify and hold the other
harmless from and against any costs, expenses, attorneys' fees or liability for
compensation or charges which may be claimed by any such unnamed broker finder
or other similar party by reason of any dealings or actions of the indemnifying
party.

16.  Estoppel Certificates.

     (a)  Each party (as "responding party") shall at any time upon not less
than ten (10) days' prior written notice from the other party ("requesting
party") execute, acknowledge and deliver to the requesting party a statement in
writing (i) certifying that this Lease is unmodified and in full force and
effect (or, if modified, stating the nature of such modification and certifying
that this Lease, as so modified, is in full force and effect) and the date

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to which the rent and other charges are paid in advance, if any, and (ii)
acknowledging that there are not, to the responding party's knowledge, any
uncured defaults on the part of the requesting party, or specifying such
defaults if any are claimed. Any such statement may be conclusively relied upon
by any prospective purchaser or encumbrancer of the Office Building Project or
of the business of Lessee.

     (b)  At the requesting party's option, the failure to deliver such
statement within such time shall be a material default of this Lease by the
party who is to respond, without any further notice to such party, or it shall
be conclusive upon such party that (i) this Lease is in full force and effect,
without modification except as may be represented by the requesting party, (ii)
there are no uncured defaults in the requesting party's performance, and (iii)
if Lessor is the requesting party. not more than one month's rent has been paid
in advance.

     (c)  If Lessor desires to finance, refinance, or sell the Office Building
Project, or any part thereof, Lessee hereby agrees to deliver to any lender or
purchaser designated by Lessor such financial statements of Lessee as may be
reasonably required by such lender or purchaser.  Such statements shall include
the past three (3) years' financial statements of Lessee. All such financial
statements shall be received by Lessor and such lender or purchaser in
confidence and shall be used only for the purposes herein set forth.

17.  Lessor's Liability.  The term "Lessor" as used herein shall mean only the
owner or owners, at the time in question, of the fee title or a lessee's
interest in a ground lease of the Office Building Project, and except as
expressly provided in paragraph 15, in the event of any transfer of such title
or interest. Lessor herein named (and in case of any subsequent transfers then
the grantor) shall be relieved from and after the date of such transfer of all
liability as respects Lessor's obligations thereafter to be performed, provided
that any funds in the hands of Lessor or the then grantor at the time of such
transfer, in which Lessee has an interest, shall be delivered to the grantee.
The obligations contained in this Lease to be performed by Lessor shall, subject
as aforesaid, be binding on Lessor's successors and assigns, only during their
respective periods of ownership.

18.  Severability.  The invalidity of any provision of this Lease as determined
by a court of competent jurisdiction shall in no way affect the validity of any
other provision hereof.

19.  Interest on Past-due Obligations. Except as expressly herein provided, any
amount due to Lessor not paid when due shall bear interest at the maximum rate
then allowable by law or judgments from the date due. Payment of such interest
shall not excuse or cure any default by Lessee under this Lease; provided,
however, that interest shall not be payable on late charges incurred by Lessee
nor on any amounts upon which late charges are paid by Lessee.

20.  Time of Essence. Time is of the essence with respect to the obligations to
be performed under this Lease.

21.  Additional Rent. All monetary obligations of Lessee to Lessor under the
terms of this Lease, including but not limited to Lessee's Share of Operating
Expense increase and any other expenses payable by Lessee hereunder shall be
deemed to be rent.

22.  Incorporation of Prior Agreements; Amendments. This Lease contains all
agreements of the parties with respect to any matter mentioned herein. No prior
or contemporaneous agreement or understanding pertaining to any such matter
shall be effective. This Lease may be modified in writing only, signed by the
parties in interest at the time of the modification. Except as otherwise stated
in this Lease, Lessee hereby acknowledges that neither the real estate broker
listed in paragraph 15 hereof nor any cooperating broker on this transaction nor
the Lessor or any employee or agents of any of said persons has made any oral or
written warranties or representations to Lessee relative to the condition or use
by Lessee of the Premises or the Office Building Project and Lessee acknowledges
that Lessee assumes all responsibility regarding the Occupational Safety Health
Act, the legal use and adaptability of the Premises and the compliance thereof
with all applicable laws and regulations in effect during the term of this
Lease.

23.  Notices. Any notice required or permitted to be given hereunder shall be in
writing and may be given by personal delivery or by certified or registered
mail, and shall be deemed sufficiently given if delivered or addressed to Lessee
or to Lessor at the address noted below or adjacent to the signature of the
respective parties, as the case may be. Mailed notices shall be deemed given
upon actual receipt at the address required. or forty-eight hours following
deposit in the mail, postage prepaid, whichever first occurs. Either party may
by notice to the other specify a different address for notice purposes except
that upon Lessee's taking possession of the Premises, the Premises shall
constitute Lessee's address for notice purposes. A copy of all notices required
or permitted to be given to Lessor hereunder shall be concurrently transmitted
to such party or parties at such addresses as Lessor may from time to time
hereafter designate by notice to Lessee.

24.  Waivers. No waiver by Lessor of any provision hereof shall be deemed a
waiver of any other provision hereof or of any subsequent breach by Lessee of
the same or any other provision. Lessor's consent to, or approval of, any act
shall not be deemed to render unnecessary the obtaining of Lessor's consent to
or approval of any subsequent act by Lessee. The acceptance of rent hereunder by
Lessor shall not be a waiver of any preceding breach by Lessee of any provision
hereof, other than the failure of Lessee to pay the particular rent so accepted,
regardless of Lessor's knowledge of such preceding breach at the time of
acceptance of such rent.

25.  Recording. Either Lessor or Lessee shall, upon request of the other,
execute, acknowledge and deliver to the other a "short form" memorandum of this
Lease for recording purposes.

26.  Holding Over. If Lessee, with Lessor's consent, remains in possession of
the Premises or any part thereof after the expiration of the term hereof, such
occupancy shall be a tenancy from month to month upon all the provisions of this
Lease pertaining to the obligations of Lessee, except that the rent payable
shall be two hundred percent (200%) of the rent payable immediately preceding
the termination date of this Lease, and all Options, if any, granted under the
terms of this Lease shall be deemed terminated and be of no further effect
during said month to month tenancy.

27.  Cumulative Remedies. No remedy or election hereunder shall be deemed
exclusive but shall, wherever possible. be cumulative with all other remedies at
law or in equity.

28.  Covenants and Conditions. Each provision of this Lease performable by
Lessee shall be deemed both a covenant and a condition.

29.  Binding Effect; Choice of Law. Subject to any provisions hereof restricting
assignment or subletting by Lessee and subject to the provisions of paragraph
17, this Lease shall bind the parties, their personal representatives,
successors and assigns. This Lease shall be governed by the laws of the State
where the Office Building Project is located and any litigation concerning this
Lease between the parties hereto shall be initiated in the county in which the
Office Building Project is located.

30.  Subordination.

     (a)  This Lease, and any Option or right of first refusal granted hereby,
at Lessor's option. shall be subordinate to any ground lease, mortgage, deed of
trust, or any other hypothecation or security now or hereafter placed upon the
Office Building Project and to any and all advances made on the security thereof
and to all renewals, modifications, consolidations, replacements and extensions
thereof. Notwithstanding such subordination, Lessee's right to quiet possession
of the Premises shall not be disturbed if Lessee is not in default and so long
as Lessee shall pay the rent and observe and perform all of the provisions of
this Lease, unless this Lease is otherwise terminated pursuant to its terms. If
any mortgagee, trustee or ground lessor shall elect to have this Lease and any
Options granted hereby prior to the lien of its mortgage, deed of trust or
ground lease, and shall give written notice thereof to Lessee, this Lease and
such Options shall be deemed prior to such mortgage, dead of trust or ground
lease, whether this Lease or such Options are dated prior or subsequent to the
date of said mortgage, deed of trust or ground lease or the date of recording
thereof.

     (b)  Lessee agrees to execute any documents required to "effectuate an
attornment, a subordination, or to make this Lease or any Option granted herein
prior to the lien of any mortgage, deed of trust or ground lease, as the case
may be. Lessee's failure to execute such documents within ten (10) days after
written demand shall constitute a material default by Lessee hereunder without
further notice to Lessee or, at Lessor's option, Lessor shall execute such
documents on behalf of Lessee as Lessee's attorney-in-fact. Lessee does hereby
make, constitute and irrevocably appoint Lessor as Lessee's attorney-in-fact and
in Lessee's name, place and stead, to execute such documents in accordance with
this paragraph 30(b).

31.  Attorneys' Fees.

     31.1 If either party ______________________________ bring an action to
enforce the terms hereof or declare rights hereunder, the prevailing party in
any such action, trial or appeal thereon, shall be entitled to his reasonable
attorneys' fees to be paid by the losing party as fixed by the court in the same
or a separate suit, and whether or not such action is pursued to decision or
judgment.

     31.2 The attorneys' fee award shall not be computed in accordance with any
court fee schedule, but shall be such as to fully reimburse all attorneys' fees
reasonably incurred In good faith.

     31.3 Lessor shall be entitled to reasonable attorneys' fees and all other
costs and expenses incurred in the preparation and service of notice of default
and consultations in connection therewith, whether or not a legal transaction is
subsequently commenced in connection with such default.

32.  Lessor's Access.

     32.1 Lessor and Lessor's agents shall have the right to enter the Premises
at reasonable times for the purpose of inspecting the same, performing any
services required of Lessor, showing the same to prospective purchasers,
lenders, or lessees, taking such safety measures, erecting such scaffolding or
other necessary structures, making such alterations, repairs, improvements or
additions to the Premises or to the Office Building Project as Lessor may
reasonably deem necessary or desirable and the erecting, using and maintaining
of utilities, services, pipes and conduits through the Premises and/or other
premises as long as there is no material adverse effect to Lessee's use of the
Premises. Lessor may at any time place on or about the Premises or the Building
any ordinary "For Sale" signs and Lessor may at any time during the last 120
days of the term hereof place on or about the Premises any ordinary "For Lease"
signs.

     32.2 All activities of Lessor pursuant to this paragraph shall be without
abatement of rent, nor shall Lessor have any liability to Lessee for the same.

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     32.3 Lessor shall have the right to retain keys to the Premises and to
unlock all doors in or upon the Premises other than to files, vaults and safes,
and in the case of emergency to enter the Premises by any reasonably appropriate
means, and any such entry shall not be deemed a forceable or unlawful entry or
detainer of the Premises or an eviction. Lessee waives any charges for damages
or injuries or interference with Lessee's property or business in connection
therewith.

33. Auctions. Lessee shall not conduct, nor permit to be conducted, either
voluntarily or involuntarily, any auction upon the Premises or the Common Areas
without first having obtained Lessor's prior written consent. Notwithstanding
anything to the contrary in this Lease, Lessor shall not be obligated to
exercise any standard of reasonableness in determining whether to grant such
consent. The holding of any auction on the Premises or Common Areas in violation
of this paragraph shall constitute a material default of this Lease.

34. Signs. Lessee shall not place any sign upon the Premises or the Office
Building Project without Lessor's prior written consent. Under no circumstances
shall Lessee place a sign on any roof of the Office Building Project.

35. Merger. The voluntary or other surrender of this Lease by Lessee, or a
mutual cancellation thereof, or a termination by Lessor, shall not work a
merger, and shall, at the option of Lessor, terminate all or any existing
subtenancies or may, at the option of Lessor, operate as an assignment to Lessor
of any or all of such subtenancies.

36. Consents. Except for paragraphs 33 (auctions) and 34 (signs) hereof,
wherever in this Lease the consent of one party is required to an act of the
other party such consent shall not be unreasonably withheld or delayed.

37. Guarantor. In the event that there is a guarantor of this Lease, said
guarantor shall have the same obligations as Lessee under this Lease.

38. Quiet Possession. Upon Lessee paying the rent for the Premises and
observing and performing all of the covenants, conditions and provisions on
Lessee's part to be observed and performed hereunder, Lessee shall have quiet
possession of the Premises for the entire term hereof subject to all of the
provisions of this Lease. The individuals executing this Lease on behalf of
Lessor represent and warrant to Lessee that they are fully authorized and
legally capable of executing this Lease on behalf of Lessor and that such
execution is binding upon all parties holding an ownership interest in the
Office Building Project.

39. Options.

     39.1  Definition. As used in this paragraph the word "Option" has the
following meaning: (1) the right or option to extend the term of this Lease or
to renew this Lease or to extend or renew any lease that Lessee has on other
property of Lessor; (2) the option of right of first refusal to lease the
Premises or the right of first offer to lease the Premises or the right of first
refusal to lease other space within the Office Building Project or other
property of Lessor or the right of first offer to lease other space within the
Office Building Project or other property of Lessor; (3) the right or option to
purchase the Premises or the Office Building Project, or the right of first
refusal to purchase the Premises or the Office Building Project or the right of
first offer to purchase the Premises or the Office Building Project, or the
right or option to purchase other property of Lessor, or the right of first
refusal to purchase other property of Lessor or the right of first offer to
purchase other property of Lessor.

     39.2  Options Personal. Each Option granted to Lessee in this Lease is
personal to the original Lessee and may be exercised only by the original Lessee
while occupying the Premises who does so without the intent of thereafter
assigning this Lease or subletting the Premises or any portion thereof, and may
not be exercised or be assigned, voluntarily or involuntarily, by or to any
person or entity other than Lessee; provided. however, that an Option may be
exercised by or assigned to any Lessee Affiliate as defined in paragraph 12.2 of
this Lease. The Options, if any, herein granted to Lessee are not assignable
separate and apart from this Lease, nor may any Option be separated from this
Lease in any manner, either by reservation or otherwise.

     39.3  Multiple Options. In the event that Lessee has any multiple options
to extend or renew this Lease a later option cannot be exercised unless the
prior option to extend or renew this Lease has been so exercised.

     39.4  Effect of Default on Options.

           (a) Lessee shall have no right to exercise an Option, notwithstanding
any provision in the grant of Option to the contrary, (i) during the time
commencing from the date Lessor gives to Lessee a notice of default pursuant to
paragraph 13.1(c) or 13.1(d) and continuing until the noncompliance alleged in
said notice of default is cured, or (ii) during the period of time commencing on
the day after a monetary obligation to Lessor is due from Lessee and unpaid
(without any necessity for notice thereof to Lessee) and continuing until the
obligation is paid, or (iii) in the event that Lessor has given to Lessee three
or more notices of default under paragraph 13.1(c), or paragraph 13.1(d),
whether or not the defaults are cured, during the 12 month period of time
immediately prior to the time that Lessee attempts to exercise the subject
Option, (iv) if Lessee has committed any non-curable breach, including without
limitation those described in paragraph 13.1(b), or is otherwise in default of
any of the terms, covenants or conditions of this Lease.

           (b) The period of time within which an Option may be exercised shall
not be extended or enlarged by reason of Lessee's inability to exercise an
Option because of the provisions of paragraph 39.4(a).

           (c) All rights of Lessee under the provisions of an Option shall
terminate and be of no further force or effect, notwithstanding Lessee's due and
timely exercise of the Option, if, after such exercise and during the term of
this Lease, (i) Lessee fails to pay to Lessor a monetary obligation of Lessee
for a period of thirty (30) days after such obligation becomes due (without any
necessity of Lessor to give notice thereof to Lessee), or (ii) Lessee fails to
commence to cure a default specified in paragraph 13.1(d) within thirty (30)
days after the date that Lessor gives notice to Lessee of such default and/or
Lessee fails thereafter to diligently prosecute said cure to completion, or
(iii) Lessor gives to Lessee three or more notices of default under paragraph
13.1(c), or paragraph 13.1(d), whether or not the defaults are cured. or (iv) if
Lessee has committed any non-curable breach, including without limitation those
described in paragraph 13.1(b), or is otherwise in default of any of the terms,
covenants and conditions of this Lease.

40.  Security Measures--Lessor's Reservations.

     40.1  Lessee hereby acknowledges that Lessor shall have no obligation
whatsoever to provide guard service or other security measures for the benefit
of the Premises or the Office Building Project. Lessee assumes all
responsibility for the protection of Lessee, its agents, and invitees and the
property of Lessee and of Lessee's agents and invitees from acts of third
parties. Nothing herein contained shall prevent Lessor, at Lessor's sole option,
from providing security protection for the Office Building Project or any part
thereof, in which event the cost thereof shall be included within the definition
of Operating Expenses, as set forth in paragraph 4.2(b).

     40.2  Lessor shall have the following rights:

           (a) To change the name, address or title of the Office Building
Project or building in which the Premises are located upon not less than 90 days
prior written notice;

           (b) To, at Lessee's expense, provide and install Building standard
graphics on the door of the Premises and such portions of the Common Areas as
Lessor shall reasonably deem appropriate;

           (c) To permit any lessee the exclusive right to conduct any business
as long as such exclusive does not conflict with any rights expressly given
herein;

           (d) To place such signs, notices or displays as Lessor reasonably
deems necessary or advisable upon the roof, exterior of the buildings or the
Office Building Project or on pole signs in the Common Areas;

     40.3  Lessee shall not:

           (a) Use a representation (photographic or otherwise) of the Building
or the Office Building Project or their name(s) in connection with Lessee's
business,

           (b) Suffer or permit anyone, except in emergency, to go upon the roof
of the Building.

41.  Easements.

     41.1  Lessor reserves to itself the right, from time to time, to grant such
easements, rights and dedications that Lessor deems necessary or desirable. and
to cause the recordation of Parcel Maps and restrictions, so long as such
easements, rights, dedications, Maps and restrictions do not unreasonably
interfere with the use of the Premises by Lessee. Lessee shall sign any of the
aforementioned documents upon request of Lessor and failure to do so shall
constitute a material default of this Lease by Lessee without the need for
further notice to Lessee.

     41.2  The obstruction of Lessee's view, air, or light by any structure
erected in the vicinity of the Building, whether by Lessor or third parties,
shall in no way affect this Lease or impose any liability upon Lessor.

42.  Performance Under Protest. If at any time a dispute shall arise as to any
amount or sum of money to be paid by one party to the other under the provisions
hereof, the party against whom the obligation to pay the money is asserted shall
have the right to make payment "under protest" and such payment shall not be
regarded as a voluntary payment and there shall survive the right on the part of
said party to institute suit for recovery of such sum. If it shall be adjudged
that there was no legal obligation on the part of said party to pay such sum or
any part thereof, said party shall be entitled to recover such sum or so much
thereof as it was not legally required to pay under the provisions of this
Lease.

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43.  Authority. If Lessee is a corporation, trust, or general or limited
partnership, Lessee, and each individual executing this Lease on behalf of such
entity represent and warrant that such individual is duly authorized to execute
and deliver this Lease on behalf of said entity. If Lessee is a corporation,
trust or partnership, Lessee shall, within thirty (30) days after execution of
this Lease, deliver to Lessor evidence of such authority satisfactory to Lessor

44.  Conflict. Any conflict between the printed provisions, Exhibits or Addenda
of this Lease and the typewritten or handwritten provisions, if any, shall be
controlled by the typewritten or handwritten provisions.

45.  No Offer. Preparation of this Lease by Lessor or Lessor's agent and
submission of same to Lessor shall not be deemed an offer to Lessee to lease.
This Lease shall become binding upon Lessor and Lessee only when fully executed
by both parties.

46.  Lender Modification. Lessee agrees to make such reasonable modifications to
this Lease as may be reasonably required by an institutional lender in
connection with the obtaining of normal financing or refinancing of the Office
Building Project.

47.  Multiple Parties. If more than one person or entity is named as either
Lessor or Lessee herein, except as otherwise expressly provided herein, the
obligations of the Lessor or Lessee herein shall be the joint and several
responsibility of all persons or entities named herein as such Lessor or Lessee,
respectively.


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48.  Commencement and Expiration Dates: Base Rent Increase.

     48.1  The Term of this Lease shall commence on date upon which Lessor
substantially completes construction of the Tenant Improvements (as hereinafter
defined in paragraph 50) (the applicable date being referred to herein as the
"Commencement Date"), and shall expire at 5:00 p.m. on the last day of the
sixtieth (60th) calendar month following such Commencement Date (the applicable
date being referred to herein as the "Expiration Date"). Once the Commencement
Date has been determined, Lessor and Lessee shall execute an amendment to this
Lease confirming the Commencement Date and the Expiration Date.

     48.2  If, but for changes or delays made or caused by Lessee or its agents
("Lessee Delays"), the Tenant Improvements would have been completed sooner than
actually completed, then the Commencement Date shall be advanced to the date on
which the Tenant Improvements would have been completed but for such Lessee
Delays.

     48.3  On the first day of the thirty-first (31st) month of the original
Term of this Lease, the monthly Base Rent payable by Lessee under this Lease
shall be increased to $13,395.00.

49.  Early Possession.  Upon execution of this Lease by both Lessor and Lessee,
payment of rentals and security deposit called for herein and delivery to Lessor
of satisfactory evidence of the fire and liability insurance required to be
provided by Lessee hereunder, Lessee shall be entitled to occupy the Premises
for up to thirty (30) days prior to the commencement of the original Term of
this Lease upon all of the terms and conditions of this Lease including the
following conditions, all of which are agreed to by Lessee:

           (a) Lessor shall have provided Lessee with notice that Lessee may
have access to the Premises;

           (b) Lessee will comply with all laws, ordinances and regulations
relating to the use and occupancy of the Premises by Lessee and shall save and
hold Lessor free and harmless from any violation of any such law, ordinance or
regulation by reason of such use or occupancy, excepting as to matters arising
from acts or omissions of Lessor or its agents;

           (c) Neither Lessor nor its contractors, nor any subcontractor, shall
be liable for any loss of damage to Lessee's property stored in the Premises
unless due solely to the negligence of Lessor, its contractor or any
subcontractor, it being specifically understood that, except as aforesaid, the
risk of loss or damage to Lessee's property is on Lessee. It is further
understood and agreed that neither Lessor nor its contractor are under any
obligation to secure the property of Lessee;

           (d) Neither Lessee nor any employee, agent or invitee of Lessee shall
interfere with or delay, in any way whatsoever, the construction activities of
Lessor and its contractors on the Premises;

           (e) Lessee shall hold Lessor and its contractor free and harmless of
and from all loss or damage arising out of Lessee's use or possession of the
Premises prior to the Commencement Date.

50.  Tenant Improvements.

     50.1  Subject to approval of final plans and specifications, Lessor agrees
to construct or cause the construction of the tenant improvements for the
Premises (the "Tenant Improvements") as depicted in that certain space plan
prepared by P. Patrick Murray & Associates dated September 16, 1997, relating to
the Tenant Improvements for the Premises (the "Space Plan") at Lessor's expense.
Lessee hereby acknowledges receipt of a copy of said Space Plan.

51.  Preliminary Plans.

     51.1  Lessee shall devote such time and attention as is required to
promptly reach approval of final plans and specifications for the Tenant
Improvements.

     51.2  Within ten (10) days of the complete execution and delivery of this
Lease, Lessor, at its sole cost and expense, shall have preliminary plans and
specifications prepared, for the construction of the Tenant Improvements
consistent with the Space Plan.

     51.3  For a period of three (3) days from the date Lessor delivers the
preliminary plans and specifications to Lessee, Lessee shall have the right to
accept and approve said preliminary plans and specifications, as delivered, or
reject them. Such right of rejection or approval by Lessee must be exercised
reasonably. Acceptance or rejection of said preliminary plans and specifications
shall be signified by Lessee delivering to Lessor, within said three (3) day
period, said preliminary plans and specifications with each page marked
"approved" or "rejected" as the case may be and signed by Lessor.

 51.4   Failure to disapprove Preliminary Plans for the Tenant Improvements
within three (3) business days after receipt thereof shall be deemed approval.

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     51.5  If Lessee shall reject said preliminary plans either partially or
totally, and if they cannot be modified so as to be acceptable to Lessor and
Lessee, this Lease shall terminate and neither party shall thereafter be
obligated to the other party for any reason whatsoever having to do with this
Lease, except that Lessee shall reimburse Lessor for design costs and legal fees
incurred in connection with the preparation of this Lease and the preliminary
plans. The preliminary plans when approved by Lessee shall supersede any prior
agreement concerning the Tenant Improvements.

52.  Final Plans.

     52.1  Within ten (10) days after the date the preliminary plans have been
approved, or the execution and delivery of this Lease and the payment of the
moneys required of Lessee hereunder, whichever is later, Lessor, at its sole
cost and expense, shall have final plans and specifications for the Tenant
Improvements prepared, which final plans shall be in accordance with the
preliminary plans that have been approved by Lessee and Lessor.

     52.2  For a period of five (5) days following the receipt of the final
plans and specifications by Lessee, Lessee shall have the right to accept and
approve said final plans and specifications, as delivered, or reject them. Such
right of rejection or approval by Lessee must be exercised reasonably.
Acceptance or rejection of said final plans and specifications shall be
signified by Lessee delivering to Lessor, within said five (5) day period, said
final plans and specifications with each page marked "approved" or "rejected",
as the case may be, and signed by Lessee.

     52.3  If Lessee shall not have delivered said final plans and
specifications marked "disapproved" or "rejected", as the case may be, to Lessor
within said period of time, it shall be deemed that Lessee shall have accepted
them.

     52.4  If Lessee shall reject said final plans and specifications and if
they cannot be modified so as to be acceptable to Lessor and Lessee, this Lease
shall terminate and neither party shall thereafter be obligated to the other
party for any reason whatsoever having to do with this Lease, except that Lessee
shall reimburse Lessor for design costs and legal fees incurred in connection
with the preparation of this Lease, the preliminary plans and the final plans
and specifications. The final plans and specifications when approved by Lessee
shall supersede any prior agreements and the preliminary plans concerning the
Tenant Improvements.

53.  Construction of Tenant Improvements. If the final plans and specifications
are approved by Lessee, then Lessor shall, at its sole cost and expense
construct the Tenant Improvements in accordance with said approved final plans
and specifications and all applicable County and City ordinances using Lessor's
building standard materials (subject to Lessee's selection of colors from
Lessor's standard selection).

54.  Completion.

     54.1  Lessor shall obtain building permits to construct the Tenant
Improvements as soon as possible.

     54.2  The Tenant Improvements shall be deemed completed when the Tenant
Improvements per the approved plans are substantially completed, the building
department of the municipality having jurisdiction of the Premises shall have
made a final inspection thereof and authorized a final release of restrictions
on the use of public utilities in connection therewith, the Premises are in a
broom-clean condition, and Lessee has reasonable access to same.

     54.3  Lessor shall use its best efforts to complete construction of the
Tenant Improvements on or before February 15, 1998 (the "Estimated Completion
Date"). If Lessor shall be delayed at any time in the progress of the
construction of the Tenant Improvements by extra work, changes in construction
ordered by Lessee, or by strikes, lockouts, fire, delay in transportation,
unavoidable casualties, rain or weather conditions, or by any other cause beyond
Lessor's reasonable control, then the Estimated Completion Date shall be
extended by the period of such delay.

     54.4  In the event that the Tenant Improvements are not completed by the
Estimated Completion Date, this Lease shall not be invalid, but rather Lessor
shall complete the Tenant Improvements as soon thereafter as is possible and
Lessor shall not be liable to Lessee for damages in any respect whatsoever.

55.  Change Orders. If Lessee shall request any change, addition or alteration
to the approved final drawings, Lessor shall promptly give Lessee a written
estimate of the maximum cost of engineering and design services to prepare
working drawings in accordance with such request and the time delay expected
because of such request. If Lessee approves such estimate in writing, Lessor
shall have working drawings prepared and Lessee shall promptly reimburse Lessor
for the cost thereof not in excess of such estimate.  Promptly upon the
completion of such working drawings, Lessor shall notify Lessee in writing of
the cost which will be chargeable to Lessee by reason of such change, addition
or deletion which cost shall be payable by Lessee upon completion of the Tenant
Improvements.  Lessee shall within three (3) business days notify Lessor in
writing whether it desires to proceed with such change, addition or deletion,
and in the absence of such written authorization Lessor shall not be obligated
to continue work on Lessee's Premises and Lessee shall be chargeable with any
delay in the completion of the premises resulting therefrom.

     56.  Additional Provisions Regarding Condition of Premises.
Notwithstanding anything to the contrary set forth in this Lease, Lessee hereby
accepts the Premises in its condition existing upon Lessee's acceptance of
possession of the Premises, AS IS, without representation or warranty of any
kind from Lessor.  Lessee further acknowledges

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that, except for the Tenant Improvements, Lessor has no obligation to make any
repairs, modifications or improvements of any kind or nature to the Premises.

57.  Option to Extend. Lessor hereby grants to Lessee the option to extend the
Original Term of this Lease for an additional five (5) year period (the "Option
Period") commencing upon the expiration of the Original Term of this Lease upon
each and all of the following terms and conditions:

          (a) Lessee gives to Lessor, and Lessor actually receives, on a date
that is prior to the date upon which the Option Period would commence (if such
option is exercised) by at least six (6) but not more than nine (9) months, a
written notice of the exercise of the option to extend this Lease for said
additional term, time being of the essence. If said notification of the exercise
of said option is not so given and received, this option shall automatically
expire;
          (b) The provisions of Paragraph 39, including the provision relating
to default of Lessee set forth in Paragraph 39.4 of this Lease are conditions of
this option;

          (c) All of the terms and conditions of this Lease except where
specifically modified by this option shall apply;

          (d) Any prior Lessee that has not been expressly released from
liability under this Lease, and any guarantor of the Lessee's performance
hereunder, expressly reaffirms in writing the extension of their liability with
respect to this Lease for this Option Period; and

          (e) The monthly Base Rent for each month of the Option Period shall be
equal to ninety-five percent (95%) of the Prevailing Market Rent (as hereinafter
defined) for the Premises as of 120 days prior to the commencement of the Option
Period, but in no event less than the Base Rent previously in effect.

58.  Calculation of Prevailing Market Rent.

     58.1  The term "Prevailing Market Rent" as used in Paragraph 57 above is
defined to mean the fair market rent of the Premises according to comparable
properties in the general area. In determining fair market monthly rent it shall
be assumed that:

          (a) The Premises are in excellent condition and repair and there shall
be no deduction for depreciation, obsolescence or deferred maintenance.

          (b) The Premises would be leased for the period of the option being
exercised by a tenant with the credit standing of Lessee, as the same exists at
that time.

          (c) The Premises would be leased on the same terms of this Lease
insofar as the obligations for repair, maintenance, insurance and real estate
taxes existed as of the expiration of the prior Lease term of this Lease.

          (d) No deduction shall be given nor consideration given to allowances
for real estate brokerage commissions.

          (e) The Premises will be used for their highest and best use.

     58.2  Using the above assumptions, the Prevailing Market Rent shall be
determined by Lessor and submitted to Lessee ("Lessor's Submission") within the
twenty (20) day period following commencement of the last 120 days of the
Original Term of this Lease. If Lessee disagrees with the Prevailing Market Rent
in Lessor's Submission, Lessee shall, within twenty (20) days after receipt of
Lessor's Submission, submit to Lessor in writing Lessee's judgment as to the
Prevailing Market Rent ("Lessee's Judgment"). If after consultation together and
within ten (10) days following Lessee's submission of Lessee's Judgment to
Lessor, Lessee and Lessor cannot agree on the amount of the Prevailing Market
Rent, then in that event, Lessee shall designate a qualified real estate broker
in the area (the "Lessee Broker") to determine the Prevailing Market Rent, the
cost thereof to be paid by Lessee. The Lessee Broker shall determine the
Prevailing Market Rent and submit same to Lessor within twenty (20) days after
the submission of Lessee's Judgment to Lessor. If the Prevailing Market Rent
determined by the Lessee Broker is the same as Lessor's Submission, said figure
shall be the Prevailing Market Rent. Notwithstanding the foregoing, in the event
Lessor and Lessee cannot agree on the amount of the Prevailing Market Rent
within thirty (30) days following Lessee's submission of Lessee's Judgement to
Lessor, then either Lessor or Lessee, at their respective option, may elect to
rescind the option granted hereunder by written notice thereof to the other
party within forty-five (45) days following Lessee's submission of Lessee's
Judgment to Lessor, in which event neither party shall have any further
liability or obligation under the option granted hereunder.

     58.3  If the Prevailing Market Rent determined by the Lessee Broker is
greater than Lessor's Submission, the Prevailing Market Rent shall be in the
amount of Lessor's Submission.

     58.4  If the determination of Prevailing Market Rent of the Lessee Broker
is less than Lessor's Submission and if after consultation together and within
ten (10) days following Lessee's Submission of the Lessee Broker's determination
to Lessor, the Lessee Broker and Lessor cannot agree upon the amount of the
Prevailing Market Rent, in that event, said Lessee Broker and the Lessor shall
jointly agree upon and designate four other


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qualified, impartial real estate brokers ("Other Brokers"). If Lessor and the
Lessee Broker cannot jointly agree upon and designate the Other Brokers within
ten (10) days, then in that event the other Brokers shall be designated by the
then President of the American Industrial Real Estate Association.

     58.5  The names of the Other Brokers shall be written on separate slips of
paper, sealed and placed in a container. A disinterested party shall, at random,
select the name of one of the Other Brokers, the person whose name is selected
being referred to as the "Chosen Broker." The Chosen Broker shall be selected
within 80 days following commencement of the last 120 days of the prior term.

     58.6  The Chosen Broker shall determine the Prevailing Market Rent, in
accordance with the provisions of this Paragraph 58 and that decision shall be
binding upon the Parties hereto; provided, however, that the Prevailing Market
Rent shall be no greater than Lessor's Submission and no less than the rent
suggested by the Lessee in Lessee's Judgment.

     58.7  The costs and fees of the Chosen Broker shall be shared equally by
Lessor and Lessee.

     58.8  The determination of the Prevailing Market Rent by the Chosen Broker
shall be completed no later than the expiration of the prior Lease term.

     58.9  If for any reason the Prevailing Market Rent has not been determined
by the commencement of this Option Period, Lessee shall continue paying Base
Rent at the rate previously in effect or as specified in Lessee's Judgment,
whichever is greater, and promptly make up any deficit therein as soon as the
Prevailing Market Rent is determined.

59.  Additional Operating Expense Provisions.

     59.1  The cost of Lessor's performing the maintenance obligations described
in Paragraph 7.1, as well as the cost of operating, repairing and maintaining
the Building, the roof, and any other utilities or equipment, wherever situated,
that are for the common use of the tenants of the Building or Office Building
Project are Operating Expenses within the meaning of Paragraph 4.2.

     59.2  "Lessee's Share" as set forth in Paragraphs 1.10 and 4.2(a) is
Lessee's share of Operating Expense Increase applicable only to the Building in
which the Premises are located. The percentage set forth in Paragraph 4.2(a) has
been determined by dividing the approximate rentable square footage of the
Premises by the total approximate rentable square footage contained in the
Building.

     59.3  Office Building Project expenses shall be reasonably allocated by
Lessor among the buildings in the Office Building Project on the basis of the
rentable square feet in the various buildings located within the Office Building
Project.

     59.4  Lessor and Lessee shall promptly adjust between them by appropriate
cash payment any balance determined to exist with respect to Lessee's Share of
Operating Expense Increase after the end of the calendar year in which this
Lease terminates, prorating for any partial year involved.

60.  Review of Operating Expenses.

     60.1  Lessee shall have a period of three (3) months following receipt of
each statement of actual Operating Expenses (each a "Statement") within which to
inspect, at Lessor's office during normal business hours, Lessor's books and
records concerning Operating Expenses for the period covered by the applicable
Statement in question. Such inspection may only be done by an accounting firm
which is generally considered to be one of the ten (10) largest accounting firms
headquartered in the United States and not paid on a contingency fee basis for
such inspection. Any information gained by Lessee in connection with any such
inspection shall be strictly confidential and shall not be disclosed by Lessee
or its agents, employees or independent contractors in any manner or context
whatsoever other than to carry out the purposes of Lessee's inspection.

     60.2  If Lessee does not exercise its right to such an inspection as
provided in this paragraph, Lessee shall be deemed to have accepted as final and
determinative the amounts shown on the applicable Statement. If Lessee shall
exercise its right to inspect Lessor's books and records as provided in this
paragraph, and then disputes the accuracy of the information set forth in
Lessor's books and records with respect to the applicable Statement, Lessee
shall nevertheless continue to pay it share of Operating Expense Increase as
required by this Lease; provided, however, that no later than six (6) months
after receipt of the Statement, Lessee must (or its right to contest such
charges shall be deemed waived) institute binding arbitration proceedings
against Lessor, before a single neutral retired judge, administered by
J.A.M.S./ENDISPUTE, in accordance with the laws and decisions of courts in
California as if the controversy or claim was being tried in the Los Angeles
Superior Court, to collect and recover any overpayments made by Lessee resulting
from errors in the books and records of Lessor.  The judgement on the award
rendered by the arbitrator may be entered in any court having jurisdiction
thereof.  Lessee shall, within ten (10) days of the filing of the arbitration
complaint, serve Lessor with a copy of said complaint.  Lessee shall be
precluded from contesting Operating Expenses and Lessor's computations of the
amount of Operating Expenses payable by Lessor or Lessee, unless an arbitration
complaint is filed and served within such six (6) month period.

     60.3  Should the arbitrator find errors in excess of ten percent (10%) of
the applicable Statement, then Lessor shall be responsible for all reasonable
fees and costs incurred by Lessee with respect to the arbitration


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proceeding. Should the arbitrator find errors of less than five percent (5%) of
the statement, then Lessee shall be responsible for all the reasonable fees and
costs incurred by Lessor with respect to the arbitration proceeding. Should the
arbitrator find errors of between five percent (5%) and ten percent (10%) of the
statement, then each party shall be responsible for all fees and costs incurred
by it with respect to the arbitration proceeding.

     60.4  If Lessor overcharged Lessee for Operating Expenses, the amount of
the overcharge shall be returned to Lessee within thirty (30) days following the
conclusion of the arbitration. Under no circumstances shall Lessor be liable for
any damages or penalties other that the return of such overcharge and any costs
of the arbitration to be born by Lessor under this paragraph, and Lessee's
remedies under this Lease with respect to any such overcharge shall be limited
to those expressly set forth in this paragraph. If the arbitrator determines
that Lessee was undercharged for Common Area Operating Expenses, Lessee shall
pay the amount of such undercharge to Lessor within thirty (30) days following
the issuance of the arbitration ruling."

61.  Additional Provisions Regarding Assignment and Subletting.

     61.1  Lessor may accept any form of rent from any person other than Lessee
pending approval or disapproval of an assignment, and neither a delay in the
approval or disapproval of such assignment, nor the acceptance of any form of
rent, shall constitute a waiver or estoppel of Lessor's right to exercise its
remedies for the default or breach by Lessee in the observance of any of the
terms, covenants or conditions of this Lease.

     61.2  Each request for consent to an assignment or subletting shall be in
writing, accompanied by information relevant to Lessor's determination as to the
financial and operational responsibility and appropriateness of the proposed
assignee or sublessee, including but not limited to the intended use and/or
required modification of the Premises, if any, together with a non-refundable
deposit of $500 or ten per cent (10%) of the current monthly Base Rent,
whichever is greater, on account of Lessor's reasonable costs, fees and expenses
in processing the request for consent. Lessee agrees to provide Lessor with such
other or additional information and/or documentation as may be reasonably
requested by Lessor under all of the relevant circumstances.

     61.3  Any assignee of, or sublessee under, this Lease shall, by reason of
accepting such assignment or entering into such sublease, be deemed, for the
benefit of Lessor, to have assumed and agreed to conform and comply with each
and every term, covenant, condition and obligation herein to be observed or
performed by Lessee during the term of said assignment or sublease, other than
such obligations as are contrary to or inconsistent with provisions of an
assignment or sublease to which Lessor has specifically consented in writing.

     61.4  An assignment, transfer, mortgage or other encumbrance (collectively,
"assignment") or subletting of Lessee's interest in this Lease without Lessor's
specific prior written consent shall, at Lessor's option, be a curable default
after notice per Paragraph 13.1(b), or a noncurable breach without the necessity
of any notice and grace period. If Lessor elects to treat such unconsented to
assignment or subletting as non-curable, Lessor shall have the right to either:
(i) terminate this Lease, or (ii) upon thirty (30) days written notice
("Lessor's Notice"), increase the monthly Base Rent to fair market rental value
or one hundred ten percent (110%) of the Base Rent then in effect, whichever is
greater. Pending determination of the new fair market rental value, Lessee shall
pay the amount set in Lessor's Notice, with any overpayment credited against the
next installment(s) of Base Rent coming due, and any underpayment for the period
retroactively to the effective date of the adjustment being due and payable
immediately upon the determination thereof. Further, in the event of such breach
and market value adjustment, (i) the purchase price of any option to purchase
the Premises held by Lessee shall be subject to similar adjustment to market
price or one hundred ten percent (110%) of the price previously in effect,
whichever is greater, (ii) any index-oriented rental or price adjustment
formulas contained in this Lease shall be deemed appropriately adjusted to
require that the base index be, or be determined with reference to, the index
applicable to the time of such market value adjustment, and (iii) any fixed
rental adjustments scheduled during the remainder of the Lease term shall be
increased in the same ratio as the new market rental bears to the Base Rent in
effect immediately prior to the market value adjustment.

62.  Work By Lessee. Any alterations, additions or improvements to be
constructed or installed by Lessee at any time shall be installed by Lessee or
its contractors in compliance with the following:

          (a) No such work shall proceed without (i) Lessee's contractor
providing labor and materials bond(s) satisfactory to Lessor, (ii) Lessor's
prior written approval of Lessee's contractor, (iii) the furnishing to Lessor by
Lessee's contractor of a Certificate of Insurance from an approved company in an
amount of not less than $1,000,000 combined single limits for public liability
and automobile liability, endorsed to show Lessor as an additional insured, and
(iv) detailed plans and specifications for such work submitted to and approved
by Lessor, which approval Lessor shall not unreasonably withhold or delay.

          (b) All such work shall be done in conformity with a valid building
permit when required, a copy of which shall be furnished to Lessor before the
work is commenced, and any work not acceptable to the applicable Department of
Building and Safety, or not reasonably satisfactory to Lessor, shall be promptly
replaced at Lessee's expense.  Notwithstanding any failure by Lessor to object
to any such work, Lessor shall have no responsibility therefor.

          (c) All work by Lessee or its contractors shall be scheduled through
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          (d) Lessee shall reimburse Lessor for any extra expense incurred by
Lessor by reason of faulty work done by Lessee or its contractors, or by reason
of delays caused by such work, or by reason of inadequate cleanup.

          (e) Lessee or its contractors will in no event be allowed to install
plumbing, mechanical, electrical wiring or fixtures, acoustical or integrated
ceilings, or partitions, unless approved in writing by Lessor.

          (f) All work shall be diligently and continuously pursued to its
completion and be done in a good and workmanlike manner of good and sufficient
materials.

          (g) All data processing and other special electrical equipment shall
be installed only under the supervision of Lessor or its electrical contractor.

63.  Incomplete Common Areas. It is specifically acknowledged by Lessee that
portions of the Building and common areas may not be completed on or prior to
the Commencement Date, without liability of Lessor to Lessee, and without any
abatement or reduction in rent.

64.  Lessor's Right to Relocate Premises. Lessor shall have the right to
relocate the Premises to another part of the Building in which the Premises are
located in accordance with the following:

          (a) The new Premises shall be substantially the same in size,
dimensions, configuration, decor, and nature as the Premises described in this
Lease, and/or shall be placed in that condition by Lessor at its cost.

          (b) The physical relocation of the Premises shall be accomplished by
Lessor at its cost.

          (c) Lessor shall give Lessee at least thirty (30) days' notice of
Lessor's intention to relocate the Premises.

          (d) The physical relocation of the Premises shall take place on a
weekend and shall be completely accomplished before the Monday following the
weekend in which the relocation takes place. If the physical relocation has not
been completed in that time, Base Rent shall abate in full from the time the
physical relocation commences to the time it is completed.

          (e) All costs incurred by Lessee as a result of the relocation,
including, without limitation, costs incurred in changing addresses on
stationery, business cards, directories, advertising, and other such items,
shall be paid by Lessor, in a sum not to exceed $5,000.00.

          (f) Lessor shall have the right to relocate the Premises no more than
one (1) time during the term of this Lease.

          (g) If the relocated Premises are smaller than the Premises as they
existed before the relocation, Base Rent and Lessee's Share shall be reduced to
a sum computed by multiplying the Base Rent specified in Paragraph 4 by a
fraction, the numerator of which shall be the total number of square feet in the
relocated premises, and the denominator of which shall be the total number of
square feet in the Premises before relocation.

          (h) The parties shall immediately execute an amendment to this Lease
stating the relocation of the Premises and the reduction of Base Rent and
Lessee's Share, if any.

65.  Hazardous Substance Conditions--Remediation/Lease Termination.

     65.1  Definitions. The term "Hazardous Substance Condition", as used in
this Lease, shall mean any condition involving a Hazardous Substance, the
remediation of which may be required by the governmental authority having
jurisdiction thereof under applicable Federal, state or local law.

     65.2  A "Hazardous Substance" as used in this Lease is defined as any
product, substance, chemical, material or waste (including hydrocarbons,
petroleum, gasoline, crude oil or any products, by-products or fractions
thereof) whose presence, nature, quantity and/or intensity of existence, use,
manufacture, disposal, transportation, spill, release or effect, either by
itself or in combination with other material or materials in, on or about the
Premises or Office Building Project: (a) is or becomes potentially injurious to
the public health, safety or welfare, the environment, the Office Building
Project or the Premises, (b) is or becomes regulated or monitored by any
governmental authority, or (c) may, under applicable statutory or common law
theory, such as nuisance (public or private), waste, trespass, negligence,
strict liability or tort, be a basis for Lessor's liability to third parties.

     65.3  Lessee Responsibility.  Lessee shall be solely responsible for the
remediation of Hazardous Substance Conditions to the extent caused or materially
contributed to by Lessee and Lessee shall indemnify, protect and defend Lessor,
the Office Building Project and the Premises for the effects thereof.

     65.4  Remediation Cost Limit.  Should a Hazardous Substance Condition be
discovered in, on or under the Premises or Office Building Project during the
term of the Lease which is required by a governmental authority having
jurisdiction thereof to be remediated, and which was not caused or materially
contributed to by Lessee, and

                                                                      Initials:

                                                                      /s/ SK
                                                                      --------

                                                                      /s/ KR
                              FULL SERVICE-GROSS                      --------

                                     16
<PAGE>

which, according to Lessor's best estimate, would cost no more than $100,000 to
fully remediate ("Lessor's Remediation Cost Limit"), Lessor agrees to remedy
same at its expenses as soon as reasonably possible.

     65.5  Lessor's Right to Terminate. Should a Hazardous Substance Condition
that was not caused or materially contributed to by Lessee be discovered in, on
or under the Premises or Office Building Project during the term of this Lease
the full remediation of which would cost more than Lessor's Remediation Cost
Limit, Lessor shall promptly advise Lessee thereof and Lessor may, at Lessor's
option, either (a) remediate said Hazardous Substance Condition as soon as
reasonably possible at Lessor's expense, in which event this Lease shall
continue in full force and effect, or (b) give written notice to Lessee of
Lessor's intention to terminate this Lease. Lessor shall advise Lessee of its
election within thirty (30) days after Lessor's discovery of such Hazardous
Substance Condition. In the event Lessor elects to give such notice of Lessor's
intention to terminate this Lease, Lessee shall have the right within ten (10)
days after receipt of such notice to give written notice to Lessor of Lessee's
commitment to pay (without reimbursement from Lessor) the cost of remediating
the Hazardous Substance Condition in excess of Lessor's Remediation Cost Limit
in which event this Lease shall continue in full force and effect, and Lessor,
after receipt from Lessee of the funds required to cover said excess cost, or
adequate assurance thereof from Lessee, shall proceed to make such remediation
as soon as reasonably possible. If Lessee does not give such notice and funds or
assurance within said ten (10) day period, this Lease shall terminate thirty
(30) days following the date the initial written notice was given by Lessor to
Lessee.

     65.6  Lessee Remedies. Lessee's remedies with respect to Hazardous
Substance Conditions not caused or materially contributed to by Lessee are
limited to those set forth in this Paragraph 65.

66.  Inducement Recapture in Event of Breach. Any agreement by Lessor for free
or abated rent or other charges applicable to the Premises, or for the giving or
paying by Lessor to or for Lessee of any cash or other bonus, inducement or
consideration for Lessee's entering into this Lease, all of which concessions
are hereinafter referred to as "Inducement Provisions," shall be deemed
conditioned upon Lessee's full and faithful performance of all of the terms,
covenants and conditions of this Lease to be performed or observed by Lessee
during the term hereof as the same may be extended. Upon the occurrence of a
breach of this Lease by Lessee, as defined in Paragraph 13.1 and the failure of
Lessee to cure such breach within the applicable cure period, if any, any such
Inducement Provision shall automatically be deemed deleted from this Lease and
of no further force or effect, and any rent, other charge, bonus, inducement or
consideration theretofore abated, given or paid by Lessor under such an
Inducement Provision shall be immediately due and payable by Lessee to Lessor as
additional rent due under this Lease at the time such breach is established per
Paragraph 13.1 and recoverable by Lessor, notwithstanding any subsequent cure of
said breach by Lessee.

67.  Partnership Lessor. If Lessor is a partnership, the liability of Lessor,
arising under the terms of this Lease, shall be limited to the partnership
assets of Lessor.

68.  Amendments to Lease.

     68.1  At such times as a rental adjustment is made to this Lease by virtue
of any provision of this Lease, the parties shall execute a written amendment to
this Lease to reflect said change.

     68.2  Lessee agrees to make any non-monetary modifications to this Lease
that may be required by an institutional mortgagee of Lessor.

     68.3  The statement required of Lessee under Paragraph 16(a) shall be
substantially in the form attached hereto as Exhibit 4.

69.  Cashier's Checks. In the event that any check given to Lessor by Lessee
shall not be honored by the bank upon which it is drawn, then Lessor, at its
option may require all future payments to be made by Lessee under this Lease to
be made by Cashier's Checks. Any payment made by Lessee pursuant to a written
notice to pay under this Lease shall be made by cashier's check.

70.  Subject to Ground Lease.

     70.1  The undersigned Lessee (hereinafter in this paragraph, the
"Sublessee") hereby acknowledges that this Lease is a Sublease (hereinafter in
this paragraph, the "Sublease"), subject and subordinate to the terms of that
certain Ground Lease dated as of February 17, 1988 (the "Ground Lease") by and
between OMA Del Aire Holding Corporation, a Delaware non-profit corporation, as
landlord ("Ground Lessor"), and Lessor herein (hereinafter in this paragraph,
the "Sublessor"), as tenant, and or any modifications or substitutions thereto.

     70.2  If the term of the Ground Lease ends for any reason while this
Sublease is in effect, unless otherwise agreed in writing with Sublessee, Ground
Lessor may, at its option, within ninety (90) days after the termination of such
Ground Lease, either terminate this Sublease or succeed to all rights of
Sublessor hereunder.  If Ground Lessor elects to affirm this Sublease, Sublessee
agrees that it shall attorn directly to Ground Lessor for the entire remaining
term of this Sublease.

71.  Non-Discrimination/Nonsegregation.  Lessee hereby covenants by and for
himself, his heirs, executors, administrators and assigns, and all persons
claiming under or through him, that this Lease is made and accepted upon and
subject to the conditions that there shall be no discrimination against or
segregation of any person or group of persons on account of sex, marital status,
race, color, religion, creed, national origin or ancestry, in the leasing,

                                                                       Initials:
\
                                                                       /s/ SK
                                                                       -------

                                                                       /s/ KR
                                                                       -------

                                      17
<PAGE>

subleasing, use or enjoyment of the Premises, nor shall Lessee himself, or any
person claiming under or through him, establish or permit any such practice or
practices of discrimination or segregation with reference to the selection,
location, number, use or occupancy of tenants, lessees, sublessees, or
subtenants, in the Premises.

72.  Freely Negotiated. Lessee hereby acknowledges that, notwithstanding the
fact that portions of this Lease are pre-printed, and that this Lease was
prepared by or on behalf of Lessor, Lessee has read this Lease in its entirety
and has had the opportunity to freely negotiate any or all of the terms hereof
before executing same.

73.  Exhibits. Attached hereto and incorporated herein by this reference are the
following Exhibits:

          1.  Floor Plan showing the Premises

          2.  Site Plan showing the Building

          3.  Rules and Regulations

          4.  Standard Tenancy Statement

LESSOR AND LESSEE HAVE CAREFULLY READ AND REVIEWED THIS LEASE AND EACH TERM AND
PROVISION CONTAINED HEREIN AND BY THE EXECUTION OF THIS LEASE SHOW THEIR
INFORMED AND VOLUNTARY CONSENT THERETO. THE PARTIES HEREBY AGREE THAT, AT THE
TIME THIS LEASE IS EXECUTED, THE TERMS OF THIS LEASE ARE COMMERCIALLY REASONABLE
AND EFFECTUATE THE INTENT AND PURPOSE OF LESSOR AND LESSEE WITH RESPECT TO THE
PREMISES.

IF THE PRINTED PORTION OF THIS LEASE HAS BEEN FILLED IN, IT HAS BEEN PREPARED
FOR SUBMISSION TO YOUR ATTORNEY FOR HIS OR HER APPROVAL. FURTHER, EXPERTS SHOULD
BE CONSULTED TO EVALUATE THE CONDITION OF THE PROPERTY AS TO THE POSSIBLE
PRESENCE OF ASBESTOS, STORAGE TANKS, OR HAZARDOUS SUBSTANCES. NO REPRESENTATION
OR RECOMMENDATION IS MADE BY THE AMERICAN INDUSTRIAL REAL ESTATE ASSOCIATION OR
BY THE REAL ESTATE BROKER(S) OR THEIR AGENTS OR EMPLOYEES AS TO THE LEGAL
SUFFICIENCY, LEGAL EFFECT, OR TAX CONSEQUENCES OF THE PRINTED PORTIONS OF THIS
LEASE OR THE TRANSACTION TO WHICH IT RELATES; THE PARTIES SHALL RELY SOLELY UPON
THE ADVICE OF THEIR OWN COUNSEL AS TO THE LEGAL AND TAX CONSEQUENCES OF THIS
LEASE. IF THE SUBJECT PROPERTY IS LOCATED IN A STATE OTHER THAN CALIFORNIA, AN
ATTORNEY FROM THE STATE WHERE THE PROPERTY IS LOCATED SHOULD BE CONSULTED.

LESSEE                                    LESSOR
------                                    ------

SiRF Technology, Inc.                     OMA DEL AIRE PROPERTIES, L.P.
a California corporation                  a California limited partnership


By: /s/ Sanjay Kohli                      By: Del Aire LLC, a California limited
    --------------------------------
    Sanjay Kohli, President                   liability company, its general
                                              partner


                                              By:  /s/ Arnold W. Koch
                                                 ---------------------------
                                              Name:  Koch
                                                    ------------------------
                                              Title:  Vice Pres.
                                                    ------------------------

                                              By:/s/ Myra K. Roages
                                                 ---------------------------

                                              Name:_________________________

                                              Title:   Sec.
                                                    ------------------------


Lessee's Address:                             Lessor's Address:
-----------------                             ----------------

5220 Pacific Concourse Drive                  For Delivery Purposes:
Suite 120                                     1125 W. 190th Street, Suite 200
Los Angeles, CA 90245                         Gardena, CA 90248
Tel: (310) 643-1308
Fax: (310) 643-0273                           For Mailing Purposes:
                                              P.O. Box 92807
                                              Worldway Postal Center
                                              Los Angeles, CA 9009

                                    18
<PAGE>

                  [Graphic of the floor plan of Building 10.]


                                   EXHIBIT 1

                                                                         /s/ KR
<PAGE>

[Graphic of the layout of the building complex of 5220 Pacific Concourse Drive.]



                                   EXHIBIT 2
                                                                         /s/ KR

<PAGE>

                           RULES AND REGULATIONS FOR
                             STANDARD OFFICE LEASE

Dated:   December 5, 1997
       --------------------
By and Between   OMA Del Aire Properties and SiRF Technology, Inc.
               -----------------------------------------------------
                                 GENERAL RULES
1. Lessee shall not suffer or permit the obstruction of any Common Area,
including driveways, walkways and stairways.

2. Lessor reserves the right to refuse access to any persons Lessor in good
faith judges to be a threat to the safety, reputation. or property of the Office
Building Project and its occupants.

3. Lessee shall not make or permit any noise or odors that annoy or interfere
with other lessees or persons having business within the Office Building
Project.

4. Lessee shall not keep animals or birds within the Office Building Project,
and shall not bring bicycles, motorcycles or other vehicles into areas not
designated as authorized for same.

5. Lessee shall not make, suffer or permit litter except in appropriate
receptacles for that purpose.

6. Lessee shall not alter any lock or install new or additional locks or bolts.

7. Lessee shall be responsible for the inappropriate use of any toilet rooms,
plumbing or other utilities. No foreign substances of any kind are to be
inserted therein.

8. Lessee shall not deface the walls, partitions or other surfaces of the
Premises or Office Building Project.

9. Lessee shall not suffer or permit any thing in or around the Premises or
Building that causes excess vibration or floor loading in any part of the Office
Building Project.

10. Furniture, significant freight and equipment shall be moved into or out of
the building only with the Lessor's knowledge and consent, and subject to such
reasonable limitations, techniques and timing, as may be designated by Lessor.
Lessee shall be responsible for any damage to the Office Building Project
arising from any such activity.

11. Lessee shall not employ any service or contractor for services or work to be
performed in the Building, except as approved by Lessor.

12. Lessor reserves the right to close and lock the Building on Saturdays,
Sundays and legal holidays, and on other days between the hours of ____ P.M. and
____ A.M. of the following day. If Lessee uses the Premises during such periods,
Lessee shall be responsible for securely locking any doors it may have opened
for entry.

13. Lessee shall return all keys at the termination of its tenancy and shall be
responsible for the cost of replacing any keys that are lost.

14. No window coverings, shades or awnings shall be installed or used by Lessee.

15. No Lessee, employee or invitee shall go upon the roof of the Building.

16. Lessee shall not suffer or permit smoking or carrying of lighted cigars or
cigarettes in areas reasonably designated by Lessor or by applicable
governmental agencies as non-smoking areas.

17. Lessee shall not use any method of heating or air conditioning other than as
provided by Lessor.

18. Lessee shall not install, maintain or operate any vending machines upon the
Premises without Lessor's written consent.

19. The Premises shall not be used for lodging or manufacturing, cooking or food
preparation.

20. Lessee shall comply with all safety, fire protection and evacuation
regulations established by Lessor or any applicable governmental agency.

21. Lessor reserves the right to waive any one of the rules or regulations,
and/or as to any particular Lessee, and any such waiver shall not constitute a
waiver of any other rule or regulation or any subsequent application thereof to
such Lessee.

22. Lessee assumes all risks from theft or vandalism and agrees to keep its
Premises locked as may be required.

23. Lessor reserves the right to make such other reasonable rules and
regulations as it may from time to time deem necessary for the appropriate
operation and safety of the Office Building Project and its occupants. Lessee
agrees to abide by these and such rules and regulations.

                                 PARKING RULES

1. Parking areas shall be used only for parking by vehicles no longer than full
size, passenger automobiles herein called "Permitted Size Vehicle." Vehicles
other than Permitted Size Vehicles are herein referred to as "Oversized
Vehicles."

2. Lessee shall not permit or allow any vehicles that belong to or are
controlled by Lessee or Lessee's employees, suppliers, shippers, customers, or
invitees to be loaded, unloaded, or parked in areas other than those designated
by Lessor for such activities.

3. Parking stickers or identification devices shall be the property of Lessor
and be returned to Lessor by the holder thereof upon termination of the holder's
parking privileges. Lessee will pay such replacement charge as is reasonably
established by Lessor for the loss of such devices.

4. Lessor reserves the right to refuse the sale of monthly identification
devices to any person or entity that willfully refuses to comply with the
applicable rules, regulations, laws and/or agreements.

5. Lessor reserves the right to relocate all or a part of parking spaces from
floor to floor, within one floor, and/or to reasonably adjacent offsite
location(s), and to reasonably allocate them between compact and standard size
spaces as long as the same complies with applicable laws, ordinances and
regulations.

6. Users of the parking area will obey all posted signs and park only in the
areas designated for vehicle parking.

7. Unless otherwise instructed, every person using the parking area is required
to park and lock his own vehicle. Lessor will not be responsible for any damage
to vehicles, injury to persons or loss of property, all of which risks are
assumed by the party using the parking area.

8. Validation, if established, will be permissible only by such method or
methods as Lessor and/or its licensee may establish at rates generally
applicable to visitor parking.

9. The maintenance, washing, waxing or cleaning of vehicles in the parking
structure or Common Areas is prohibited.

10. Lessee shall be responsible for seeing that all of its employees, agents and
invitees comply with the applicable parking rules, regulations, laws and
agreements.

11. Lessor reserves the right to modify these rules and/or adopt such other
reasonable and non-discriminatory rules and regulations as it may deem necessary
for the proper operation of the parking area.

12. Such parking use as is herein provided is intended merely as a license only
and no bailment is intended or shall be created hereby.

                                                    Initials:  /s/ SK
                                                              --------
                                                               /s/ KR
                                                              --------

                              FULL SERVICE-GROSS
                                   EXHIBIT 3
                               PAGE 1 OF 1 PAGES

<PAGE>

                           STANDARD TENANCY STATEMENT
                  American Industrial Real Estate Association

TO WHOM IT MAY CONCERN:
RE: Lease ("Lease") dated __________, by and between__________________________
______________________________________________________________________________
as Lessor, and_________________________________________________as Lessee,
concerning the premises known as:_____________________________________________
______________________________________________________________________________
______________________________________________________________________________

("Premises"), which Lease was amended_________________________________________
and guaranteed by___________________________________("Guarantor(s)") (it will be
presumed no amendments or guarantees exist unless they are specified above).

The undersigned does hereby certify to you as follows:

1. True copies of the above referenced Lease as amended and the guarantees, if
any, are attached hereto marked Exhibit "1." (Attach a copy of Lease, all
amendments and guarantees.)

2. The Lease term commenced on __________ and expires on __________.

3. The current monthly rent and expense pass-through, if any, are as follows:

                                Amount     Day of Month Due   Paid Up To Date
                                ------     ----------------   ---------------

          Rent                 $__________     __________     __________, 19___
          Pass-through         $__________     __________     __________, 19___

No rents or pass-throughs have been prepaid except as reflected in the Lease.
(It will be presumed that no expense pass-throughs are currently required unless
set forth above.)

4. The current amount of security deposit held by Lessor is $___________________


5. The Lease has not been modified, orally or in writing, since its execution,
except as hereinabove identified. The Lease as so amended is in full force and
effect and contains the entire agreement between Lessor and Lessee, except (it
will be assumed no exceptions exist unless they are specified here):__________
______________________________________________________________________________
______________________________________________________________________________

6. The improvements and space required to be furnished by Lessor have been
furnished and completed in all respects to the satisfaction of Lessee, and all
Premises of an inducement nature by Lessor have been fulfilled except (it will
be assumed no exceptions exist unless they are specified here):_______________
______________________________________________________________________________
______________________________________________________________________________

7. To the undersigned's best knowledge, there are no uncured defaults by Lessor
or Lessee under the Lease, and the undersigned is not aware of the existence of
any circumstances that would constitute a default under the Lease if not cured
within the applicable grace period after written notice by either Lessor or
Lessee to the other party, except (it will be assumed no exceptions exist unless
they are specified here):______________________________________________________
______________________________________________________________________________
______________________________________________________________________________

8. There is no dispute between Lessor and Lessee concerning the Lease, the
Premises or the improvements therein or thereon, except (it will be assumed no
exceptions exist unless they are specified here):_____________________________
______________________________________________________________________________
______________________________________________________________________________
9. Lessee is in full and complete possession of the Premises and has not
assigned or sublet any portion of the Premises, except (it will be assumed no
exceptions exist unless they are specified here):____________________________
______________________________________________________________________________
______________________________________________________________________________

10. The undersigned has no notice or knowledge of any prior sale, transfer,
assignment or encumbrance of the Lessor's or Lessee's interest in the Lease,
except (it will be presumed no exceptions exist unless they are specified here):
______________________________________________________________________________
______________________________________________________________________________

11. Lessee has made no alterations or additions to the Premises, except (it will
be presumed no exceptions exist unless they are specified here):______________
______________________________________________________________________________
______________________________________________________________________________
If alterations or additions have been made by Lessee, to the undersigned's best
knowledge, all such alterations and additions by Lessee were done in accordance
with the terms of the Lease and were in compliance with all applicable laws,
rules and regulations.

12. The guarantees of the Guarantors named above are still in full force and
effect, except (it will be assumed no exceptions exist unless they are specified
here):
______________________________________________________________________________
______________________________________________________________________________

13. Neither the Lessee, Lessor, nor Guarantor are currently the subject of a
bankruptcy proceeding, except (it will be assumed no exceptions exist unless
they are specified here):_____________________________________________________
______________________________________________________________________________
______________________________________________________________________________
14. The undersigned is aware that buyers, lenders and others will rely upon the
statements made in this Tenancy Statement, and the undersigned has therefore
adjusted the language hereof as necessary to make it an accurate statement of
the current facts concerning the Lease. If no such adjustments have been made,
said parties may rely upon the statements in this form as printed.

15. The person or entity signing this Tenancy Statement is[_]  the Lessee,[_]
the Lessor, [_] the Guarantor.

16. Additional items (it will be presumed no additional items exist unless set
forth herein):________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
DATE. ____________________ 19___
     (Fill in date of execution)

                                     ___________________________________
                                     ___________________________________
                                     By  /s/ Sanjay Kohli
                                     -----------------------------------
                                     Name Printed:______________________
                                     Title:_____________________________

For this form, write: American Industrial Real Estate Association, 345 S.
Figueroa Street, M-1, Los Angeles, Calif. 90071

(C) 1987 American Industrial Real Estate Association            FORM TS-8701

                                    EXHIBIT 4                           /s/ KR
<PAGE>

                                                                        ORIGINAL
                                                       OMA Job No. 0688-0101-120
                                                                 SiRF Technology

                    ACCEPTANCE AND FIRST AMENDMENT TO LEASE
                    ---------------------------------------

     THIS ACCEPTANCE AND FIRST AMENDMENT TO LEASE (this "First Amendment") is
entered into as of the 9th day of March, 1998, by and between, OMA DEL AIRE
PROPERTIES, L.P., a California limited partnership ("Lessor"), and SiRF
TECHNOLOGY, INC., a California corporation ("Lessee"), with reference to the
following facts and circumstances:

     A.  Lessor and Lessee have previously entered into that certain Standard
Office Lease - Gross dated December 5, 1997 (the "Lease"), for premises located
at 5220 Pacific Concourse Drive, Suite 120, Los Angeles, California (the
"Premises").

     B.  Lessor and Lessee desire to amend the Lease as hereinafter provided.

     C.  Capitalized terms used in this First Amendment and not otherwise
defined herein shall have the same meanings as are ascribed to such terms in the
Lease.

     NOW, THEREFORE, for good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, Lessor and Lessee hereby agree as
follows:

     1.  Completion of Tenant Improvements.  Lessor and Lessee acknowledge that,
pursuant to Paragraph 48 of the Lease, the Tenant Improvements were completed
and Lessee accepted possession of the Premises on March 26, 1998.

     2.  Establishment of Term.  Pursuant to Paragraph 48 of the Lease, the
Original Term of the Lease is hereby established as commencing upon March 27,
1998 (the "Commencement Dates") and expiring at 5:00 p.m. on March 26, 2003 (the
"Expiration Date").

     3.  First Right to Negotiate Lease.  Subject to the rights granted to
tenants and their successors, subtenants and assigns under leases in effect as
of the effective date of this Lease, and further subject to the conditions set
forth in paragraph 39 of the Lease, Lessor hereby grants to Lessee a first right
to negotiate a lease for the Premises immediately adjacent to the Premises on
the ground floor of the Building (the "Adjacent Premises"), upon the following
terms and conditions:

     a.  If at any time up to the last six months of the term of the Lease as
the same may be extended, the Adjacent Premises shall become available for
lease, Lessor shall give Lessee written notice that the Adjacent Premises are so
available for lease ("Lessor's Notice"); provided, however, that Lessor shall
incur no liability whatsoever in the event Lessor fails to deliver the Lessor's
Notice or thereafter lease the Adjacent Premises to Lessee pursuant to this
Paragraph.

     b.  If Lessor does not receive a written notice of Lessee's election to
exercise its first right to negotiate a lease for the Adjacent Premises upon
prevailing market terms ("Lessee's Notice of Intention To Lease") within five
(5) days after receipt by Lessee of Lessor's Notice, then Lessee's rights under
this paragraph shall terminate and thereafter be of no force or effect and
Lessor shall be free at any time thereafter to negotiate a lease of the Adjacent
Premises upon such terms, and to any party or entity, as Lessor sees fit, and
without Lessee's knowledge or consent.

     c.  Should Lessee timely serve Lessor with a written Notice of Lessee's
Intention To Lease the Adjacent
<PAGE>

Premises, the parties shall forthwith in good faith negotiate the terms of a
lease to the Adjacent Premises.

     d.  Should Lessee not commence negotiations in writing within five (5) days
after service of its Notice of Intention To Lease upon Lessor, or at any time
during the negotiations fail to deliver to Lessor in writing Lessee's response
to a written proposal or counter-proposal from Lessor within five (5) days after
receipt by Lessee of such proposal or counterproposal from Lessor, or should
agreement in principle not be reached within fifteen (15) days, or a formal
written lease not be fully executed and delivered within thirty (30) days, after
receipt by Lessor of Lessee's Notice of Intention To Lease, then Lessee's rights
under this paragraph shall terminate and thereafter be of no force or effect and
Lessor shall be free at any time thereafter to negotiate a lease of the Adjacent
Premises with any party or entity, as Lessor sees fit, and without Lessee's
knowledge or consent.

     e.  It is understood that Lessee's first right of negotiation under this
paragraph is a one-time only opportunity, and if not exercised within the time
period specified after receipt of Lessor's good faith Notice of Intention To
Lease, is lost forever.

     f.  This first right to negotiate herein given to Lessee shall be
ineffective during such time as Lessee is in default under this Lease and if,
during such time of default Lessor shall enter into a binding lease to the
Adjacent Premises, then this first right to negotiate shall automatically
terminate and be of no further force or effect.

     g.  If any prior lessee or guarantor is still liable on this Lease,
Lessee's exercise of the first right to negotiate shall not be effective unless
joined in by such prior lessee and/or guarantor affirming the expansion of their
respective obligations to include Lessee's obligations with respect to the
Adjacent Premises.

     4.  Reaffirmation.  Except as expressly modified herein, the Lease is
hereby reaffirmed and ratified by Lessor and Lessee in its entirety.

     IN WITNESS WHEREOF, Lessor and Lessee have executed this First Amendment as
of the day and year first written above.

                         LESSEE

                         SiRF Technology, Inc.
                         a California corporation

                         By:  /s/ Sanjay Kohli
                             ------------------------
                               Sanjay Kohli President

                         Lessor:

                         OMA DEL AIRE PROPERTIES,
                         a California partnership

                         By:  DEL AIRE LLC, a
                              California limited
                              liability company,
                              its general partner

                              By:   /s/ Arnold W. Koch  `
                                  -------------------------
                              Name:    Koch
                                    -----------------------
                              Title:   Vice Pres
                                     ----------------------