Document:

<PAGE>
                                                                   Exhibit 10.32

                        STANDARD OFFICE LEASE AGREEMENT

     This Lease Agreement (this "Lease Agreement") is made this 14th day of
November 1996 between Blue Lake Partners, Ltd., a Texas limited partnership
(hereinafter called "Landlord"), and McAfee Associates, Inc., a Delaware
Corporation (hereinafter called "Tenant"). This Lease consists of this
paragraph, the Basic Lease Provisions, the Supplemental Lease Provisions and
each exhibit, rider, schedule and addendum attached to the Basic Lease
Provisions and Supplemental Lease Provisions.

                             BASIC LEASE PROVISIONS

1.    Building
      a.  Name: The Centre
          Address: 4099 McEwen Road
      b.  Agreed Rentable Area: 123,770 square feet.
2.    Premises:
      a.  Suites #: 500 & 700; Floors: Fifth & Seventh
      b.  Agreed Rentable Area: 31,729 square feet.
3.    Basic Rent (See Article 2, Supplemental Lease Provisions):

<TABLE>
<CAPTION>
                                            Rate per Square      Basic           Basic
      Rental                                Foot of Agreed       Annual          Monthly
      Period                                Rentable Area        Rent            Rent
      ------                                ----------------     ------          -------
<S>                                         <C>                  <C>             <C>
      February 1, 1997 - January 31, 2002       $15.50           $491,799.48     $40,983.29
</TABLE>

4.    Tenant's Pro Rate Share percentage: 25.64% (the Agreed Rentable Area of
      the Premises divided by the Agreed Rentable Area of the Building,
      expressed in a percentage).
5.    Tenant's Operating Expense Stop: Equal to actual Operating Expenses for
      the calendar year 1997 adjusted in accordance with subsection 2.202 of the
      Supplemental Lease Provisions (see Article 2, Supplemental Lease
      Provisions).
6.    Tenant's Real Estate Taxes Stop: Equal to actual Real Estate Taxes for the
      calendar year 1997, adjusted in accordance with subsection 2.202 of the
      Supplemental Lease Provisions (see Article 2, Supplemental Lease
      Provisions).
7.    Term: Five (5) years and zero (0) months (see Article 1, Supplemental
      Lease Provisions).
8.    Commencement Date: February 1, 1997 (see Article 1, Supplemental Lease
      Provisions).
9.    Expiration Date: January 31, 2002 (see Article 1, Supplemental Lease
      Provisions).
10.   Security Deposit: $40,983.29 (see Article 3, Supplemental Lease
      Provisions).
11.   Tenant's Broker: The Stoneleigh Group (such broker is represented by Rod
      Martin).
12.   Permitted Use: General Office Purposes Only (see Article 4, Supplemental
      Lease Provisions).
13.   All payments shall be sent to Landlord in care of Granite Properties
      ("Property Manager") at Blue Lake Partners, Ltd., P.O. Box 911597, Dallas,
      TX 75391-1597 or such other place as Landlord may designate from time to
      time. All payments shall be in the form of check until otherwise
      designated by Landlord.
14.   Parking: See Section 15.17 and Exhibit F if any, attached to the
      Supplemental Lease Provisions.
15.   Addresses for notices due under this Lease (see Article 14, Supplemental
      Lease Provisions):

      Landlord:                                Tenant:

      Blue Lake Partners, Ltd., a              PRIOR TO COMMENCEMENT DATE:
      limited partnership
      c/o Granite Properties, Inc.             Bill Beecher
      The Centre                               McAfee, Inc.
      4099 McEwen, Suite 360                   5944 Luther Lane
      Farmers Branch, Texas 75244              Dallas, Texas 75225
      Attention: Property Manager              Fax: 361-1014
      Fax: (214) 991-5931
                                               ON OR AFTER COMMENCEMENT DATE:

                                               The Premises, Attn: Site Manager.
                                               Fax:
                                                   -----------------------------

Landlord and Tenant are initialing these Basic Lease Provisions in the
appropriate space provided below as an acknowledgment that they are a part of
this Lease.

                                                Initial:
                                                Landlord:
                                                         -----
                                                Tenant:
                                                        ------

                                       1
<PAGE>
                               TABLE OF CONTENTS
                                      FOR
                         SUPPLEMENTAL LEASE PROVISIONS

Description                                                                 Page

Article 1         Term and Possession......................................   1

Article 2         Rent.....................................................   2

Article 3         Security Deposit.........................................   3

Article 4         Occupancy and Use........................................   4

Article 5         Utilities and Services...................................   5

Article 6         Maintenance, Repairs, Alterations and Improvements.......   6

Article 7         Insurance, Fire and Casualty.............................   7

Article 8         Condemnation.............................................   9

Article 9         Liens....................................................  10

Article 10        Taxes on Tenant's Property...............................  10

Article 11        Subletting and Assigning.................................  10

Article 12        Transfers by Landlord, Subordination and
                  Tenant's Estoppel Certificate............................  11

Article 13        Default..................................................  11

Article 14        Notices..................................................  14

Article 15        Miscellaneous Provisions.................................  15

                          LIST OF EXHIBITS AND RIDERS
                                       TO
                         SUPPLEMENTAL LEASE PROVISIONS

Exhibit A         Floor Plan
Exhibit B         Land Legal Description
Exhibit B.1       Project Legal Description
Exhibit C         Rentable Area Calculations
Exhibit D         Work Letter
Exhibit E         Acceptance of Premises Memorandum
Exhibit F         Intentionally Deleted

Addendum ____ Check, if applicable

Rider 1           Building Rules and Regulations
Rider 2           Renewal Option
Rider 3           Tenant's Right of First Refusal
Rider 4           Cap on Certain Operating Expenses
Rider 5           Signage
Rider 6           General Janitorial Specifications
Rider 7           Right To Audit
Rider H-1         Hazardous Materials
Rider H-2         Tenant's Study, Testing and Inspection Rights

                              Initial:
                              Landlord _____
                              Tenant _______

                                       2

<PAGE>
                         SUPPLEMENTAL LEASE PROVISIONS

                                   ARTICLE 1
                              TERM AND POSSESSION

SECTION 1.1 LEASE OF PREMISES, COMMENCEMENT AND EXPIRATION.

1.101   LEASE OF PREMISES. In consideration of the mutual covenants herein,
        Landlord hereby leases to Tenant and Tenant hereby leases from Landlord,
        subject to all the terms and conditions of this Lease, the portion of
        the Building (as described in Item 1 of the Basic Lease Provisions)
        described as the Premises in Item 2 of the Basic Lease Provisions and
        that is more particularly described by the crosshatched area on Exhibit
        A attached hereto (hereinafter called the "Premises"). The agreed
        rentable area of the Premises is hereby stipulated to be the "Agreed
        Rentable Area" of the Premises set forth in Item 2b of the Basic Lease
        Provisions, irrespective of whether the same should be more or less as a
        result of minor variations resulting from construction of Tenant's
        Improvements (as defined in Exhibit D attached hereto). The agreed
        rentable area of the Building is hereby stipulated to be the "Agreed
        Rentable Area" of the Building set forth in Item 1b of the Basic Lease
        Provisions, irrespective of whether the same should be more or less as a
        result of minor variations resulting from actual construction or repair
        of the Building. The Building, the land (the "Land) on which the
        Building is situated (which Land is more particularly described on
        Exhibit B attached hereto) and all improvements and appurtenances to the
        Building and the Land are referred to collectively herein as the
        "Property". The Property is part of an overall Project known as The
        Centre, Farmers Branch, Texas, currently consisting of eleven (11)
        office buildings totalling 880,940 rentable square feet, together with
        parking facilities, all of which are reflected on the drawing attached
        hereto as Exhibit B-1 (such land and all improvements located thereon
        are herein referred to as the "Project").

1.102   INITIAL TERM AND COMMENCEMENT. The initial term of this Lease shall be
        the period of time specified in Item 7 of the Basic Lease Provisions.
        The initial term shall commence on the Commencement Date (herein so
        called) set forth in Item 8 of the Basic Lease Provisions (as such
        Commencement Date may be adjusted pursuant to Section 3 of Exhibit E
        attached hereto) and, unless sooner terminated pursuant to the terms of
        this Lease, the Initial term of this Lease shall expire, without notice
        to Tenant, on the Expiration Date (herein so called) set forth in Item 9
        of the Basic Lease Provisions (as such Expiration Date may be adjusted
        pursuant to Section 3 of Exhibit E attached hereto).

SECTION 1.2 INSPECTION AND DELIVERY OF PREMISES, CONSTRUCTION OF LEASE SPACE
            IMPROVEMENTS AND POSSESSION.

1.201   DELIVERY AND COMPLETION. Tenant hereby acknowledges that Tenant has
        inspected the Premises and the Common Areas (as hereinafter defined)
        and, except for latent defects discovered and reported to Landlord by
        Tenant within 180 days from the Commencement Date, hereby (i) accepts
        the Common Areas in "as is" condition for all purposes and (ii) subject
        to Landlord's completion of its obligations under the Work Letter
        (herein so called) attached hereto as Exhibit D. Tenant hereby accepts
        the Premises (including the suitability of the Premises for the
        Permitted Use) for all purposes. Landlord will perform or cause to be
        performed the work and/or construction of Tenant's Improvements as
        defined in the Work Letter) in accordance with the terms of the Work
        Letter and will use reasonable efforts to Substantially Complete (as
        defined in the Work Letter) Tenant's Improvements by the Commencement
        Date. If Tenant's Improvements are not Substantially Complete by the
        Commencement Date set forth in Item 8 of the Basic Lease Provisions for
        any reason whatsoever, Tenant's sole remedy shall be an adjustment of
        the Commencement Date and the Expiration Date as provided in Section 3
        of the Work Letter. The Premises shall be delivered to Tenant on the
        Commencement Date. NOTWITHSTANDING THE FOREGOING, SHOULD LANDLORD BE
        UNABLE TO DELIVER THE PREMISES TO TENANT, EXCEPT IN THE CASE OF TENANT
        DELAY, WITHIN SIXTY (60) DAYS OF THE STATED COMMENCEMENT IN ITEM 8 OF
        THE BASIC LEASE PROVISIONS, TENANT SHALL HAVE THE RIGHT AND OPTION TO
        CANCEL THIS LEASE.

        TENANT SHALL BE PROVIDED ACCESS TO THE SPACE FOR THE PURPOSES OF
        INSTALLING PHONE AND

                                       3

<PAGE>
        COMPUTER EQUIPMENT PRIOR TO THE ACTUAL COMMENCEMENT DATE ASSUMING THE
        TENANT IMPROVEMENTS ARE SUBSTANTIALLY COMPLETE.

1.202   ACCEPTANCE OF PREMISES MEMORANDUM. Upon Substantial Completion (as
        defined in the Work Letter) of Tenant's Improvements, Landlord and
        Tenant shall execute the Acceptance of Premises Memorandum (herein so
        called) attached hereto as Exhibit E. If Tenant occupies the Premises
        without executing an Acceptance of Premises Memorandum EXCEPT BY REASON
        OF A BONA FIDE DISPUTE REGARDING THE PUNCH LIST, Tenant shall be deemed
        to have accepted the Premises for all purposes and Substantial
        Completion shall be deemed to have occurred on the earlier to occur of
        (i) actual occupancy or (ii) the Commencement Date set forth in Item 8
        of the Basic Lease Provisions (AS ADJUSTED PURSUANT TO SECTION 3 OF THE
        WORK LETTER).

SECTION 1.3 REDELIVERY OF THE PREMISES. Upon the expiration or earlier
termination of this Lease or upon the exercise by Landlord of its right to
re-enter the Premises without terminating this Lease, Tenant shall immediately
deliver to Landlord the Premises free of offensive odors and in a safe, clean,
neat, sanitary and operational condition REASONABLE WEAR AND TEAR, CASUALTY,
AND OBSOLESCENCE EXCEPTED, together with all keys and parking access cards.
Tenant shall, by the Expiration Date or, if this Lease is earlier terminated,
within seven (7) days after the termination, remove from the Premises, at the
sole expense of Tenant: (i) any equipment, machinery, trade fixtures and
personalty installed or placed in the Premises by or on behalf of Tenant and
(ii) if requested by Landlord, NO LESS THAN THIRTY (30) DAYS PRIOR TO SUCH
TERMINATION OR RE-ENTRY all or any part of the improvements (other than
Tenant's Improvements and other improvements approved by Landlord without the
requirement that same be removed upon expiration or earlier termination of the
Lease) made to the Premises by or on behalf of Tenant. All removals described
above shall be accomplished in a good and workmanlike manner so as not to
damage the Premises or the primary structure or structural qualities of the
Building or the plumbing, electrical lines or other utilities. Tenant shall, at
its expense, promptly repair ANY SUCH DAMAGE caused by any such removal,
provided that in the case of improvements that Tenant is required to remove
PURSUANT TO THE SECOND SENTENCE OF THIS SECTION, Tenant shall restore the
Premises to the condition existing prior to the installation of such
improvements. If Tenant fails to deliver the Premises in the condition
aforesaid, AFTER LANDLORD HAS PROVIDED ALL NECESSARY APPROVALS, ACCESS AND
REASONABLE COOPERATION FOR SUCH RESTORATION AND/OR REPAIR then Landlord may
restore the Premises to such a condition at Tenant's expense. All property
required to be removed pursuant to this Section not removed within time period
required hereunder shall thereupon be conclusively presumed to have been
abandoned by Tenant and Landlord may, at its option, take over possession of
such property and either (a) declare the same to be the property of Landlord by
written notice to Tenant at the address provided herein or (b) at the sole cost
and expense of Tenant, remove and store and/or dispose of the same or any part
thereof in any manner that Landlord shall choose without incurring liability to
Tenant or any other person.

SECTION 1.4 HOLDING OVER. In the event Tenant or any Party under Tenant
claiming rights to this Lease, retains possession of the Premises after the
expiration or earlier termination of this Lease, such possession shall
constitute and be construed as a tenancy at will only, subject, however, to
all of the terms, provisions, covenants and agreements on the part of Tenant
hereunder; such parties shall be subject to immediate eviction and removal and
Tenant or any such Party shall pay Landlord as rent for the period of such
holdover an amount equal to one and one-half (1-1/2) times the Basic Annual
Rent (as hereinafter defined) in effect immediately preceding expiration or
termination, as applicable, prorated on a daily basis. Tenant shall also pay
any and all damages sustained by Landlord as a result of such holdover. The
rent during such holdover period shall be payable to Landlord from time to time
on demand; provided, however, if no demand is made during a particular month,
holdover rent accruing during such month shall be paid in accordance with the
provisions of Article 2. IN THE EVENT OF A HOLDOVER, Tenant will vacate the
Premises and deliver same to Landlord immediately upon Tenant's receipt of
notice from Landlord to so vacate. No holding over by Tenant, whether with or
without consent of Landlord, shall operate to extend the term of this Lease; no
payments of money by Tenant to Landlord after the expiration or earlier
termination of this Lease shall reinstate, continue or extend the term of this
Lease; and no extension of this Lease after the expiration or earlier
termination thereof shall be valid unless and until the same shall be reduced
to writing and signed by both Landlord and Tenant.

                                   ARTICLE 2
                                      RENT

SECTION 2.1 BASIC RENT. Tenant shall pay as annual rent for the Premises the
applicable Basic Annual Rent shown in Item 3 of the Basic Lease Provisions. The
Basic Annual Rent shall be payable in monthly installments equal to the
applicable Basic Monthly Rent shown in Item 3 of the Basic Lease Provisions in
advance, without demand, offset or deduction, EXCEPT AS PROVIDED IN THIS LEASE
AGREEMENT, which monthly installments shall commence on the Commencement Date
and shall continue on the first (1st) day of each calendar month thereafter. If
the Commencement Date occurs on a day other than the first day of a calendar
month or the Expiration Date occurs on a day other than the last day of a
calendar month, the Basic Monthly Rent for such partial month shall be prorated.

                                       4

<PAGE>
SECTION 2.2  ADDITIONAL RENT.

2.201     DEFINITIONS. For purposes of this Lease, the following definitions
          shall apply:

          (a)  "Additional Rent", for a particular calendar year, shall equal
          the sum of (i) Tenant's Pro Rata Share Percentage (as set forth in
          Item 4 of the Basic Lease Provisions) multiplied by the amount by
          which Real Estate Taxes (as hereinafter defined) for such year
          exceeds Tenant's Real Estate Taxes Stop (as set forth in Item 6 of
          the Basic Lease Provisions) plus (ii) SUBJECT TO RIDER NO. 4,
          Tenant's Pro Rata Share Percentage multiplied by the amount by which
          Operating Expenses (as hereinafter defined) for such year exceed
          Tenant's Operating Expense Stop (as set forth in Item 5 of the Basic
          Lease provisions) plus (iii) SUBJECT TO RIDER NO. 4, Tenant's Pro
          Rata Share Percentage multiplied by Permitted Capital Pass Through
          Costs (as hereinafter defined) for such year.

          (b)  "Operating Expenses" shall mean all of the costs and expenses
          Landlord incurs, pays or becomes obligated to pay in connection with
          operating, maintaining, insuring and managing the Building for a
          particular calendar year or portion thereof as determined by Landlord
          in accordance with generally accepted accounting principles
          CONSISTENTLY APPLIED, including, but not limited to, the following:
          (i) insurance premiums ("Insurance Premiums"); (ii) water, sewer,
          electrical and other utility charges ("Utility Expenses"); (iii)
          service and other charges incurred in the operation and maintenance
          of the elevators and the plumbing, fire sprinkler, security, heating,
          ventilation and air conditioning system; (iv) cleaning and other
          janitorial services, tools and supplies costs; (v) repair costs;
          (vi) costs of landscaping, including landscape maintenance and
          sprinkler maintenance costs and rental and supply costs in connection
          therewith; (vii) security services; (viii) license, permit and
          inspection fees; (ix) MARKET management fees; (x) wages and related
          benefits payable to employees directly relating thereto, including
          taxes and insurance relating thereto; (xi) accounting services; (xii)
          legal services, unless incurred in connection with tenant defaults or
          lease obligations; (xiii) trash removal; (xiv) garage and parking
          maintenance, repair, repaving and operation costs; (xv) the charges
          assessed against the Property pursuant to any contractual covenants or
          recorded declaration of covenants or the covenants, conditions and
          restrictions or any other similar instrument affecting the Property.
          Notwithstanding the foregoing, Operating Expenses shall not include
          Real Estate Taxes or Permitted Capital Pass Through Costs; and (xvi)
          a fair and equitable pro rata share of all costs and expenses
          Landlord incurs, pays or becomes obligated to pay in connection with
          operating, maintaining, insuring and managing the landscaping, water
          features, common areas, private streets, alleys, sidewalks and medians
          which are a part of the Project and which benefit all buildings
          included in the Project.

          (c)  "REAL ESTATE TAXES" shall mean all real estate taxes and other
          taxes or AD VALOREM assessments which are levied with respect to the
          Property or any portion thereof for each calendar year and shall
          include any tax, surcharge or assessment which shall be levied in
          addition to or in lieu of real estate taxes, the costs and expenses
          of a consultant, if any, or of contesting the validity or amount of
          such real estate or other taxes and shall also include any rental,
          excise, sales, transaction, privilege or other tax or levy, however
          denominated, imposed upon or measured by the rental reserved
          hereunder or on Landlord's business of leasing the Premises,
          excepting only Landlord's net income, FRANCHISE, OR SIMILAR taxes.

          (d)  "PERMITTED CAPITAL PASS THROUGH COSTS" shall mean the following
          costs and expenses incurred by Landlord from and after January 1,
          1998: (i) the cost of any capital improvement made to the Property by
          Landlord that is required under any governmental law or regulation
          which was not promulgated, or which was promulgated but was not
          applicable to the Building, at the time the Building was constructed,
          amortized over ITS USEFUL LIFE IN ACCORDANCE WITH GAAP, together with
          an amount equal to interest at the rate of TEN PERCENT (10%) per
          annum (the "Amortization Rate") on the unamortized balance thereof,
          (ii) the cost of any labor-saving or energy-saving device or other
          equipment installed in the Building (provided Landlord reasonably
          anticipates that the installation thereof will reduce Operating
          Expenses), amortized over ITS USEFUL LIFE IN ACCORDANCE WITH GAAP,
          together with an amount equal to interest at the Amortization Rate on
          the unamortized balance thereof, and (iii) all other capital costs
          and expenses CONSISTING OF NEW OR UPGRADED ITEMS IN AMOUNTS NOT TO
          EXCEED $10,000.00 which would generally be regarded as ownership,
          operating, maintenance and management costs and expenses which would
          normally be amortized over a period not to exceed five (5) years.

                                       5
<PAGE>

2.202   Gross-Up. Operating Expenses shall be adjusted to include all
        additional costs and expenses of owning, operating, maintaining and
        managing the Building which Landlord reasonably determines that it
        would have incurred, paid or been obligated to pay during such year if
        the Building had been one hundred percent (100%) occupied. Real Estate
        Taxes shall be adjusted to include the ad valorem taxes that would have
        been assessed if the Building had been fully assessed for ad valorem
        tax purposes.

2.203   Payment Obligation. In addition to the Basic Rent specified in this
        Lease, Tenant shall pay to Landlord the Additional Rent, in each
        calendar year or partial calendar year during the term of this Lease,
        payable in monthly installments as hereinafter provided. On or prior to
        the Commencement Date and at least thirty (30) days prior to each
        calendar year thereafter (or as soon thereafter as is reasonably
        possible), Landlord shall give Tenant written notice of Tenant's
        estimated Additional Rent (as reasonably estimated by Landlord) for the
        applicable calendar year and the amount of the monthly installment due
        for each month during such year. Tenant shall pay to Landlord on the
        Commencement Date and on the first day of each month thereafter the
        amount of the applicable monthly installment, without demand, offset or
        deduction, provided, however, if the applicable installment covers a
        partial month, then such installment shall be prorated on a daily basis.
        Within ninety (90) days after the end of (i) each calendar year and (ii)
        the Expiration Date or as soon thereafter as is reasonably possible,
        Landlord shall prepare and deliver to Tenant a statement showing
        Tenant's actual Additional Rent for the applicable calendar year,
        provided that with respect to the calendar year in which the Expiration
        Date occurs, (x) that calendar year shall be deemed to have commenced on
        January 1 of that year and ended on the Expiration Date (the "Final
        Calendar Year") and (y) Landlord shall have the right to estimate the
        actual Operating Expenses allocable to the Final Calendar Year but which
        are not determinable within such ninety day period. If Tenant's total
        monthly payments of Additional Rent for the applicable year are less
        than Tenant's actual Additional Rent, then Tenant shall pay to Landlord
        the amount of such underpayment. If Tenant's total monthly payments of
        Additional Rent for the applicable year are more than Tenant's actual
        Additional Rent, then Landlord shall credit against the next Additional
        Rent payment or payments due from Tenant the amount of such overpayment,
        provided, however, with respect to the Final Calendar Year, Landlord
        shall pay to Tenant the amount of such excess payments, less any amounts
        then owed to Landlord. Unless Tenant takes written exception to any item
        within ninety (90) days after the furnishing of an annual statement,
        such statement shall be considered as final and accepted by Tenant. Any
        amount due Landlord as shown on any such statement shall be paid by
        Tenant within thirty (30) days after it is furnished to Tenant (See
        Rider No. 7 attached hereto).

2.204   Revisions in Estimated Additional Rent. If Real Estate Taxes, Insurance
        Premiums, Utility Expenses or Permitted Capital Pass Through Costs
        increase during a calendar year or if the number of square feet of
        rentable area in the Premises increases, Landlord may revise the
        estimated Additional Rent during such year by giving Tenant written
        notice to that effect and thereafter Tenant shall pay to Landlord, in
        each of the remaining months of such year, an additional amount equal
        to the amount of such increase in the estimated Additional Rent divided
        by the number of months remaining in such year.

SECTION 2.3 RENT DEFINED AND NO OFFSETS. Basic Annual Rent, Additional Rent and
all other sums (whether or not expressly designated as rent) required to be
paid to Landlord by Tenant under this Lease (including, without limitation, any
sums payable to Landlord under any addendum, exhibit, rider or schedule
attached hereto) shall constitute rent and are sometimes collectively referred
to as "Rent". Each payment of Rent shall be paid by Tenant when due, without
prior demand therefor and without deduction or setoff, except as provided in
this Lease Agreement.

SECTION 2.4 LATE CHARGES. If any installment of Basic Annual Rent or Additional
Rent or any other payment of Rent under this Lease shall not be paid within ten
(10) days of the date when due, a "Late Charge" of five cents ($.05) per dollar
so overdue may be charged by Landlord to defray Landlord's administrative
expense incident to the handling of such overdue payments. Each Late Charge
shall be payable on demand.

                                   ARTICLE 3
                                SECURITY DEPOSIT

Tenant will pay Landlord on the date this Lease is executed by Tenant the
Security Deposit set forth in Item 10 of the Basic Lease Provisions as security
for the performance of the terms hereof by Tenant. Tenant shall not be entitled
to interest thereon and Landlord may commingle such Security Deposit with any
other kinds of Landlord. The Security Deposit shall not be considered an advance
payment of rental or a measure of Landlord's damages in case of default by
Tenant. If Tenant defaults with respect to any provision of this Lease, which is
not cured within the applicable cure period, Landlord may, but shall not be
required to, from time to time, without prejudice to any other remedy, use,
apply or retain all or any part of this Security Deposit for the payment of any
Rent or any other sum in default or for the Payment of any other amount which
Landlord may spend or become obligated to spend by reason of Tenant's default or
to compensate Landlord for any other loss or damage which Landlord may suffer by
reason of

                                       6
<PAGE>
Tenant's default, including, without limitation, costs and attorneys' fees
incurred by Landlord to recover possession of the Premises. If Tenant shall
fully and faithfully perform every provision of this Lease to be performed by
it, the Security Deposit shall be returned to Tenant within sixty (60) days
after the Expiration Date. Tenant agrees that it will not assign or encumber or
attempt to assign or encumber the monies deposited herein as the Security
Deposit and that Landlord and its successors and assigns shall not be bound by
any such actual or attempted assignment or encumbrance. Regardless of any
assignment of this Lease by Tenant, Landlord may return the Security Deposit
to the original Tenant, in the absence of evidence satisfactory to Landlord of
an assignment of the right to receive the Security Deposit or any part of the
balance thereof.

                                   ARTICLE 4
                               OCCUPANCY AND USE

SECTION 4.1 USE OF PREMISES.

4.101   GENERAL. The Premiss shall, subject to the remaining Provisions of this
        Section, be used solely for the purpose specified in Item 12 of the
        Basic Lease Provisions. Without in any way limiting the foregoing,
        Tenant will not use, occupy or permit the use or occupancy of the
        Premises for any purpose which if forbidden by or in violation of any
        law, ordinance or governmental or municipal regulation, order, or
        certificate of occupancy, or which may be dangerous to life, limb or
        property; or permit the maintenance of any public or private nuisance;
        or do or permit any other thing which may disturb the quiet enjoyment
        of any other tenant of the Building; or keep any substance or carry on
        or permit any operation which might emit offensive odors or conditions
        from the Premises; or commit or suffer or permit any waste in or upon
        the Premises; or sell, purchase or give away, or permit the sale,
        purchase or gift of food in any form by or to any of Tenant's agents or
        employees or other parties in the Premises except through vending
        machines in employee lunch or rest areas within the Premises for use by
        Tenant's employees only; or use any apparatus which might make undue
        noise or set up vibrations in the Building; or permit anything to be
        done which would increase the fire and extended coverage insurance rate
        on the Building or Building contents and, if there is any increase in
        such rate by reason of acts of Tenant, the Tenant agrees to pay such
        increase upon demand therefor by Landlord. Payment by Tenant of any such
        rate increase shall not be a waiver of Tenant's duty to comply herewith.
        Tenant shall indemnify and hold Landlord harmless from any and all
        costs, expenses (including reasonable attorneys' fees), claims and
        causes of action arising from Tenant's failure to comply with this
        Section without limitation upon Landlord's obligations under Section
        5.105. Tenant shall keep the Premises neat and clean at all times.
        Tenant shall promptly correct any violation of a governmental law, rule
        or regulation relating to the Premises. Tenant shall comply with any
        direction or any governmental authority having jurisdiction which
        imposes any duty upon Tenant or Landlord with respect to the Premises or
        with respect to the occupancy or use thereof.

4.102   HAZARDOUS AND TOXIC MATERIALS.

        (a) Tenant shall not knowingly incorporate into, or use or otherwise
        place or dispose of at, the Premises, the Building or on the Land any
        hazardous or toxic materials, except for use and storage of cleaning and
        office supplies used in the ordinary course of Tenant's business and
        then only if (i) such materials are in small quantities, properly
        labeled and contained, (ii) such materials are handled and disposed of
        in accordance with the highest accepted industry standards for safety,
        storage, use and disposal, (iii) notice of and a copy of the current
        material safety data sheet if provided to Landlord for each such
        hazardous or toxic material and (iv) such materials are used,
        transported, stored, handled and disposed of in accordance with all
        applicable governmental laws, rules and regulations. Landlord shall have
        the right to periodically inspect, take samples for testing and
        otherwise investigate the Premises for the presence of hazardous or
        toxic materials. Landlord shall not knowingly dispose of at the
        Premises, Building or the Land any hazardous or toxic materials and
        shall otherwise deal with all hazardous or toxic materials at the
        Premises, Building or Land in a manner that will not materially and
        adversely affect Landlord's access, use or occupancy of the Premises. If
        Landlord or Tenant ever has knowledge of the presence in the Premises or
        the Building or Land of hazardous or toxic materials which affect the
        Premises, the party having knowledge shall notify the other party
        thereof in writing promptly after obtaining such knowledge. For purposes
        of this Lease, hazardous or toxic materials shall mean asbestos
        containing materials ("ACM") and all other materials, substances, wastes
        and chemicals classified as hazardous or toxic substances, materials,
        wastes or chemicals under then-current applicable governmental laws,
        rules or regulations or that are subject to any right-to-know laws or
        requirements.

        (b) Prior to commence of any tenant finish work to be performed by
        Landlord, Tenant shall have the right to make such studies and
        investigations and conduct such tests and surveys of the Premises from
        an environmental standpoint as permitted under Rider H-2 attached
        hereto. If Tenant requests that Landlord commence construction of
        Tenant's Improvements prior to

                                       7

<PAGE>
          exercising such right, Tenant shall be deemed to have waived the
          termination right set forth in Rider H-2.

          (c) If Tenant or its employees, agents or contractors shall ever
          violate the provisions of paragraph (a) of this subsection 4.102 or
          otherwise contaminate the Premises or the Property, then Tenant shall
          clean-up, remove and dispose of the material causing the violation,
          in compliance with all applicable governmental standards, laws, rules
          and regulations and then prevalent industry practice and standards
          and shall repair any damage to the Premises or Building within such
          period of time as may be reasonable under the circumstances after
          written notice by Landlord. Tenant shall notify Landlord of its
          method, time and procedure for any clean-up or removal and Landlord
          shall have the right to require reasonable changes in such method,
          time or procedure or to require the same to be done after normal
          business hours. Tenant's obligations under this subsection 4.102(c)
          shall survive the termination of this Lease. Tenant represents to
          Landlord that, except as has been disclosed to Landlord, Tenant has
          never been cited for or convicted of any hazardous or toxic materials
          violations under applicable laws, rules or regulations.

SECTION 4.2 RULES AND REGULATIONS. Tenant will comply with such rules and
regulations (the "Rules and Regulations") generally applying to tenants in the
Building as may be adopted from time to time by Landlord for the management,
safety, care and cleanliness of; and the preservation of good order and
protection of property in, the Premises and the Building and at the Property.
All such Rules and Regulations are hereby made a part hereof. The Rules and
Regulations in effect on the date hereof are on file with the Property Manager.
All changes and amendments to the Rules and Regulations sent by Landlord to
Tenant in writing and conforming to the foregoing standards shall be carried
out and observed by Tenant. Landlord hereby reserves all rights necessary to
implement and enforce the Rules and Regulations and each and every provision of
this Lease. Notwithstanding the foregoing, no amendment to the Rules and
Regulations which materially decreases the benefits of the Lease Agreement to
Tenant or increases its obligations hereunder shall be enforceable against
Tenant.

SECTION 4.3 ACCESS. Without being deemed guilty of an eviction of Tenant and
without abatement of Rent, Landlord or its authorized agents shall have the
right to enter the Premises at reasonable times and, upon reasonable notice, to
inspect the Premises, to show the Premises to prospective lenders, purchasers
or during the last nine (9) months of the term, tenants and to fulfill
Landlord's obligations or exercise its rights under this Lease. Landlord shall
exercise good faith reasonable efforts not to interfere with the operation of
Tenant's business on the Premises. Tenant hereby waives any claim for damages
for any injury or inconvenience to or interference with Tenant's business, any
loss of occupancy or quiet enjoyment of the Premises and any other loss
occasioned thereby, unless caused by Landlord's gross negligence or willful
misconduct. For each of the aforesaid purposes, Landlord shall at all times
have and retain a key with which to unlock the doors to and within the
Premises, excluding Tenant's vaults and safes. Landlord shall have the right to
use any and all means which Landlord may deem proper to enter the Premises in
an emergency without liability therefor unless caused by Landlord's gross
negligence or willful misconduct.

SECTION 4.4 QUIET POSSESSION. Provided Tenant timely pays Rent and observes and
performs all of the covenants, conditions and provisions on Tenant's part to be
observed and performed hereunder, Tenant shall have the quiet possession of the
Premises for the entire term hereof, subject to all of the provisions of this
Lease and all laws and restrictive covenants to which the Property is subject.

                                   ARTICLE 5
                             UTILITIES AND SERVICES

SECTION 5.1 SERVICES TO BE PROVIDED.

Landlord agrees to furnish or cause to be furnished to the Premises, the
utilities and services described in subsections 5.101 through 5.106 below,
subject to all other provisions of this Lease.

5.101     Elevator Service. Except for holidays generally recognized by
          businesses, Landlord shall provide automatic elevator facilities on
          generally accepted business days from 7:00 a.m. to 7:00 p.m. and on
          Saturdays from 7:00 a.m. to 1:00 p.m. and have at least one (1)
          elevator available for use at all other times.

5.102     Heat and Air Conditioning. On generally accepted business days from
          7:00 a.m. to 7:00 p.m. and on Saturdays (other than holidays generally
          recognized by businesses) from 7:00 a.m. to 1:00 p.m., Landlord shall
          ventilate the Premises and furnish heat or air conditioning, at such
          temperatures and in such amounts as is customary in buildings of
          comparable size, quality and in the general vicinity of the Building,
          with such adjustments as Landlord reasonably deems necessary for the
          comfortable occupancy of the Premises, subject to any governmental
          requirements, ordinances, rules, regulations, guidelines or standards
          relating to, among other things, energy conservation. Upon request,
          Landlord shall make available, at Tenant's expense,

                                       8

<PAGE>
          after hours heat or air conditioning. After hours heat or air
          conditioning is currently billed at $25.00 per hour. The minimum
          charge and the hourly rate for the use of after hours heat or air
          conditioning shall be determined from time to time by Landlord and
          confirmed in writing to Tenant.

5.103     ELECTRICITY. Landlord shall furnish to the Premises electric current
          not in excess of that required by the office lighting and receptacles
          included in Tenant's Improvements, provided, however, Tenant shall be
          solely responsible for the costs of electrical consumption (without
          duplication) (i) by equipment which requires a voltage other than 120
          volts single phase, (ii) in excess of that currently supplied to the
          Premises or (iii) by any single piece of equipment in excess of 0.5
          kilowatts at rated capacity (such consumption is herein referred to as
          "Excess Consumption" and the costs of Excess Consumption are herein
          referred to as "Excess Consumption Costs"). Without in any way
          limiting Tenant's responsibility for Excess Consumption Costs, Tenant
          shall not (i) without the express prior written consent of Landlord,
          install or use or permit the installation or use of any computer or
          electronic data processing equipment or any other electrical equipment
          which (singly) consumes more than 0.5 kilowatts at rated capacity or
          requires a voltage other than 120 volts single phase or otherwise has
          high electrical consumption or (ii) use electric current in excess of
          the capacity of the feeders or lines to the Building or the risers or
          wiring installation of the Building or the Premises. Landlord may
          determine Excess Consumption by a survey performed by a reputable
          consultant or by an additional separate meter in the Premises. Tenant
          shall be responsible for (i) the cost of any such survey performed by
          Landlord and (ii), if Landlord installs a meter to measure Excess
          Consumption, all costs associated with such separate metering
          including, but not limited to the cost of installing, maintaining,
          repairing and reading the separate metering devices and subpanels.
          Notwithstanding the foregoing, Landlord acknowledges and agrees that
          Tenant will operate within the Premises computer terminals for
          software development and testing, telephone system, office copiers,
          facsimile machines, printers, standard kitchen appliances and portable
          cooling units.

5.104     WATER. Landlord shall furnish water for drinking, cleaning and
          lavatory purposes only.

5.105     JANITORIAL SERVICES. Landlord shall provide janitorial services to the
          Premises, as provided in Rider No. 6.

5.106     COMMON AREAS. Landlord shall perform routine maintenance in the Common
          Areas and all other common areas of the Project (hereinafter defined).

SECTION 5.2 ADDITIONAL SERVICES. Landlord may impose a reasonable charge for
any utilities and services, including without limitation, air conditioning,
electrical current and water, provided by Landlord by reason of any use of the
services at any time other than the hours set forth in subsection 5.102 above or
beyond the levels or quantities that Landlord agrees herein to furnish or
because of special electrical, cooling or ventilating needs created by Tenant's
hybrid telephone equipment, computers or other equipment.

SECTION 5.3 TENANTS OBLIGATION. Tenant agrees to cooperate fully at all times
with Landlord and to abide by all regulations and requirements which Landlord
reasonably prescribes for the use of the above utilities and services. Any
failure to pay any excess costs as described in Section 5.2 above ten (10) days
following demand by Landlord shall constitute a breach of the obligation to pay
Rent under this Lease and shall entitle Landlord to the rights herein granted
for such breach.

SECTION 5.4 SERVICE INTERRUPTION.

5.401     SERVICE INTERRUPTION. Landlord shall not be liable for and, except as
          provided in subsection 5.402 below, Tenant shall not be entitled to
          any abatement or reduction of Rent by reason of: Landlord's failure to
          maintain temperature or electrical constancy levels or to furnish any
          of the foregoing services when such failure is caused by accident,
          breakage, repairs, strikes, lockouts or other labor disturbance or
          labor dispute of any character, governmental regulation, moratorium or
          other governmental action, inability by exercise of reasonable
          diligence to obtain electricity, water or fuel, or by any other cause
          beyond Landlord's reasonable control (collectively, "Uncontrollable
          Events"), nor shall any such Uncontrollable Event or results or
          effects thereof be construed as an eviction (constructive or actual)
          of Tenant or as a breach of the implied warranty of suitability, or
          relieve Tenant from the obligation to perform any covenant or
          agreement herein and in no event shall Landlord be liable for damage
          to persons or property (including, without limitation, business
          interruption), or be in default hereunder, as a result of any such
          Uncontrollable Event or results or effects thereof.

5.402     LIMITED RIGHT TO ABATEMENT OF RENT. If any portion of the Premises
          becomes unfit for occupancy because Landlord fails to deliver any
          service as required under Section 5.1 above for

                                       9
<PAGE>
       any period (other than a reconstruction period conducted pursuant to
       Section 7.1 or Article 8 below) exceeding five (5) consecutive days
       after written notice by Tenant to Landlord and provided such failure is
       not caused by Tenant, Tenant's Contractors or any of their respective
       agents or employees, Tenant shall be entitled to a fair partial
       abatement of Basic Annual Rent and Additional Rent for any such portion
       of the Premises from the failure of such service until such portion is
       again fit for occupancy until such service is restored.

SECTION 5.5 MODIFICATIONS. Notwithstanding anything hereinabove to the contrary,
Landlord reserves the right from time to time to make reasonable modifications
to the above standards for utilities and services, but in no event shall
services be below the standard for comparable buildings in the North Dallas/LBJ
submarket.

                                   ARTICLE 6
               MAINTENANCE, REPAIRS, ALTERATIONS AND IMPROVEMENTS

SECTION 6.1 LANDLORD'S OBLIGATION TO MAINTAIN AND REPAIR. Landlord shall
(subject to Section 7.1, Section 7.4, Article 8 below and Landlord's rights
under Section 2.2 above and except for ordinary wear and tear) maintain
exterior walls, roof and load bearing elements of the Building. Except for load
bearing elements of the Building located within the Premises, Landlord shall
not be required to maintain or repair any portion of the Premises.

SECTION 6.2 TENANTS OBLIGATION TO MAINTAIN AND REPAIR.

6.201  TENANT'S OBLIGATIONS. Subject to Sections 6.1, 7.1 and 7.4 and Articles 5
       and 8 of this Lease, Tenant shall, at Tenant's sole cost and expense, (i)
       maintain and keep the interior of the Premises (including, but not
       limited to, all fixtures, walls, ceilings, floors, doors, windows [except
       replacement of exterior plate glass unless the replacement is by reason
       of damage caused by Tenant], appliances and equipment which are a part of
       the Premises) in good repair and condition, (ii) repair or replace any
       damage or injury done to the Building or any other part of the Property
       caused by Tenant, Tenant's agents, employees, licensees, invitees or
       visitors or resulting from a breach of its obligations under this Section
       6.2 and (iii) indemnify and hold Landlord harmless from any and all
       costs, expenses (including reasonable attorneys' fees), claims and causes
       of action arising from or incurred by and/or asserted in connection with
       such maintenance, repairs, replacements, damage or injury or Tenant's
       breach of its obligations under this subsection 6.201. All repairs and
       replacements performed by or on behalf of Tenant shall be performed in a
       good and workmanlike manner and in accordance with the standards
       applicable to alterations or improvements performed by Tenant. Tenant
       shall continue to pay Rent, without abatement, during any period that
       repairs or replacements are performed or required to be performed by
       Tenant under this Section 6.2.

6.202  RIGHTS OF LANDLORD. Landlord shall have the same rights with respect to
       repairs performed by Tenant as Landlord has with respect to improvements
       and alterations performed by Tenant under subsection 6.303 below. In the
       event Tenant fails, in the reasonable judgment of Landlord, to maintain
       the Premises in good order, condition and repair, or otherwise satisfy
       its repair and replacement obligations under subsection 6.201 above,
       AFTER FIVE (5) DAYS WRITTEN NOTICE, Landlord shall have the right to
       perform such maintenance, repairs and replacements at Tenant's expense.
       Tenant shall pay to Landlord on demand any such cost or expense incurred
       by Landlord, together with interest thereon at the rate specified in
       Section 15.10 below from the date of demand until paid.

SECTION 6.3 IMPROVEMENTS AND ALTERATIONS.

6.301  LANDLORD'S CONSTRUCTION OBLIGATION. Landlord's sole construction
       obligation under this Lease is as set forth in the Work Letter attached
       hereto as Exhibit D.

6.302  ALTERATION OF BUILDING. Landlord hereby reserves the right and at all
       times shall have the right to repair, change, redecorate, alter, improve,
       modify, renovate, enclose or make additions to any part of the Property
       (including structural elements and load bearing elements within the
       Premises) and to enclose and/or change the arrangement and/or location of
       driveways or parking areas (SUBJECT TO SECTION 15.17) or landscaping or
       other Common Areas of the Property, all without being held guilty of an
       actual or constructive eviction of Tenant or breach of the implied
       warranty of suitability and without an abatement of Rent (the "Reserved
       Right"). Without in any way limiting the generality of the foregoing,
       Landlord's Reserved Right shall include, but not be limited to, the right
       to (i) construct scaffolding and other structures and perform all work
       and other activities associated with such changes, alterations,
       improvements, modifications, renovations and/or additions, (ii) repair,
       change, renovate, remodel, alter, improve, modify or make additions to
       the arrangement, appearance, location and/or size of entrances or
       passageways, doors and doorways, corridors, elevators, elevator lobbies,
       stairs, toilets or other Common Areas or Service Areas, (iii) temporarily
       close any Common Area and/or temporarily

                                       10

<PAGE>
          suspend Building services and facilities in connection with any
          repairs, changes, alterations, modifications, renovations or
          additions to any part of the Building, (iv) repair, change, alter or
          improve plumbing, pipes and conduits located in the Building,
          including without limitation, those located within the Premises, the
          Common Areas, the Service Corridors or the Service Areas
          (hereinafter defined) of the Building and (v) repair, change, modify,
          alter, improve, renovate or make additions to the Building central
          heating, ventilation, air conditioning, electrical, mechanical or
          plumbing systems. When exercising the Reserved Right, Landlord will
          interfere with Tenant's use and occupancy of the Premises as little
          as is reasonably practicable.

6.303     ALTERATIONS, ADDITIONS, IMPROVEMENTS AND INSTALLATIONS BY TENANT.
          Tenant shall not, without the prior written consent of Landlord, make
          any changes, modifications, alterations, additions or improvements
          (other than Tenant's Improvements under the Work Letter) to, or
          install any equipment or machinery (other than office equipment and
          unattached personal property) on, the Premises (all such changes,
          modifications, alterations, additions, improvements (other than
          Tenant's Improvements under the Work Letter) and installations
          approved by Landlord are herein collectively referred to as
          "Installations") if any such Installations would (i) affect
          structural or load bearing portions of the Premises, (ii) result in a
          material increase of electrical usage above the normal type and
          amount of electrical current to be provided by Landlord, (iii) result
          in A MATERIAL increase in Tenant's usage of heating or air
          conditioning, (iv) MATERIALLY IMPACT mechanical, electrical or
          plumbing systems in the Premises or the Building, (v) materially
          affect areas of the Premises which can be viewed from Common Areas,
          (vi) require materially greater or more difficult cleaning work
          (e.g., kitchens, reproduction rooms and interior glass partitions) or
          (vii) violate any provision in Article 4 above or Rider H-1 or Rider
          H-2 attached hereto. As to Installations not covered by the preceding
          sentence, Tenant will not perform same without the prior written
          consent of Landlord, which consent shall not be unreasonably withheld
          or delayed. All Installations shall be at Tenant's sole cost and
          expense. Without in any way limiting Landlord's consent rights,
          Landlord shall not be required to give its consent until (a) Landlord
          approves the contractor or person making such Installations and
          approves such contractor's insurance coverage to be provided in
          connection with the work, (b) Landlord approves final and complete
          plans and specifications for the work and (c) the appropriate
          governmental agency, if any, has approved the plans and
          specifications for such work. All work performed by Tenant or its
          contractor relating to the Installations shall conform to applicable
          governmental laws, rules and regulations, including, without
          limitation, the Disability Acts. Upon completion of the
          Installations, Tenant shall deliver to Landlord "as built" plans. If
          Landlord performs such Installations AT TENANT'S REQUEST, Tenant
          shall pay Landlord, as additional Rent, the cost thereof plus fifteen
          percent (15%) as reimbursement for Landlord's overhead. Each payment
          shall be made to Landlord within ten (10) days after receipt of an
          invoice from Landlord. All Installations that constitute improvements
          constructed within the Premises shall be surrendered with the
          Premises at the expiration or earlier termination of this Lease,
          unless Landlord requests that same be removed pursuant to Section 1.3
          above. Tenant shall indemnify and hold harmless from any and all
          costs, expenses (including reasonable attorneys' fees), demands,
          claims, causes of action and liens arising from or in connection with
          any Installations performed by or on behalf of Tenant. All
          Installations performed by or on behalf of Tenant will be performed
          diligently and in a first-class workmanship manner and in compliance
          with all applicable laws, ordinances, regulations and rules of any
          public authority having jurisdiction over the Building and/or
          Tenant's and Landlord's insurance carriers. Landlord will have the
          right, but not the obligation, to inspect periodically the work on
          the Premises and may reasonably require changes in the method or
          quality of the work.

6.304     APPROVALS.  Any approval by Landlord (or Landlord's architect and/or
          engineers) of any of Tenant's contractors or Tenant's drawings, plans
          or specifications which are prepared in connection with any
          construction of improvements (including without limitation, Tenant's
          Improvements) in the Premises shall not in any way be construed as or
          constitute a representation or warranty of Landlord as to the
          abilities of the contractor or the adequacy or sufficiency of such
          drawings, plans or specifications or the improvements to which they
          relate, for any use, purpose or condition.

                                   ARTICLE 7
                          INSURANCE, FIRE AND CASUALTY

SECTION 6.1  TOTAL OR PARTIAL DESTRUCTION OF THE BUILDING OR THE PREMISES.
In the event that the Building should be totally destroyed by fire or other
casualty or in the event the Building (or any portion thereof) should be so
damaged that rebuilding or repairs cannot be completed, in Landlord's
reasonable opinion, within one hundred eighty (180) days after the date of such
damage, Landlord may, at its option, terminate this Lease, in which event Basic
Annual Rent and Additional Rent shall be abated during the unexpired portion of
this Lease effective with the date of such damage. Landlord shall exercise the
termination right pursuant to the preceding sentence, if at all, by delivering
written notice of termination to Tenant within ten (10) days after determining
that the repairs cannot be completed within such one hundred eighty (180) day
period. In the event that the Premises should

                                       11
<PAGE>
be so damaged by fire or other casualty that rebuilding or repairs cannot be
completed, in Landlord's reasonable opinion, within one hundred eighty (180)
days after the date of such damage, Tenant may, at its option terminate this
Lease, in which event Basic Annual Rent and Additional Rent shall be abated
during the unexpired portion of this Lease, effective the date of such damage.
Tenant shall exercise the termination right pursuant to the preceding sentence,
if at all, by delivering written notice of termination to Landlord within
fifteen (15) days after being advised by Landlord that the repairs cannot be
completed within such one hundred eighty (180) day period. In the event the
Building or the Premises should be damaged by fire or other casualty and, in
Landlord's reasonable opinion, the rebuilding or repairs can be completed
within one hundred eighty (180) days after the date of such damage, or if the
damage should be more serious but neither Landlord nor Tenant elect to
terminate this Lease pursuant to this Section, in either such event Landlord
shall, within (60) days after the date of such damage, commence to rebuild or
repair the Building and the Premises (including Tenant's Improvements, but only
to the extent of insurance proceeds actually received by Landlord for the
repair of Tenant's Improvements), and shall pursue with reasonable diligence
the repair and restoration of the Building and the Premises to substantially
the same condition which existed immediately prior to the happening of the
casualty, except that Landlord shall not be required to rebuild, repair or
replace any part of the furniture, equipment, fixtures, inventory, supplies or
any other personalty or any other improvements (except Tenant's Improvements,
but only to the extent of insurance proceeds actually received by Landlord for
the repair of Tenant's Improvements) which may have been placed by Tenant or
other tenants within the Building or at the Premises. Landlord shall allow
Tenant a fair diminution of Basic Annual Rent and Additional Rent during the
time the Premises are unfit for occupancy; provided, that if such casualty was
caused by Tenant, its agents, employees, licensees or invitees, Basic Annual
Rent and Additional Rent shall be abated only to the extent Landlord is
compensated for such Basic Annual Rent and Additional Rent by loss of rents
insurance, if any. Notwithstanding Landlord's restoration obligation, in the
event any mortgagee under a deed of trust, security agreement or mortgage on
the Building should require that the insurance proceeds be used to retire or
reduce the mortgage debt or if the insurance company issuing Landlord's fire
and casualty insurance policy fails or refuses to pay Landlord the proceeds
under such policy, Landlord shall have no obligation to rebuild and this Lease
shall terminate upon notice by Landlord to Tenant. Any insurance which may be
carried by Landlord or Tenant against loss or damage to the Building or to the
Premises shall be for the sole benefit of the party carrying such insurance and
under its sole control.

SECTION 7.2 TENANT'S INSURANCE.

7.201   TYPES OF COVERAGE. Tenant covenants and agrees that from and after the
        date of delivery of the Premises from Landlord to Tenant, Tenant will
        carry and maintain, at its sole cost and expense, the insurance set
        forth in paragraphs (a), (b), (c) and (d) of this subsection.

        (a) PUBLIC LIABILITY INSURANCE. General Comprehensive Public Liability
        Insurance covering the Premises and Tenant's use thereof against claims
        for personal or bodily injury or death or property damage occurring
        upon, in or about the Premises (including contractual indemnity and
        liability coverage), such insurance to insure both Tenant and, as
        additional named insureds, Landlord and its subsidiaries, directors,
        agents and employees and the Property Manager, and to afford protection
        to the limit of not less than $1,000,000.00, combined single limit, in
        respect to injury or death to any number of persons and all property
        damage arising out of any one (1) occurrence, with a deductible
        acceptable to Landlord. If the Agreed Rentable Area of the Premises is
        more than 30,000 square feet, then, in addition to and not in lieu of
        the above stated coverage, Tenant shall carry umbrella or so called
        excess coverage in an amount not less than $1,000,000.00 over Tenant's
        base coverage amount. This insurance coverage shall extend to any
        liability of Tenant arising out of the indemnities provided for in this
        Lease.

        (b) PROPERTY INSURANCE. Property insurance on an all-risk extended
        coverage basis (including coverage against fire, wind, tornado,
        vandalism, malicious mischief, water damage and sprinkler leakage)
        covering all fixtures, equipment and personalty located in the Premises,
        in an amount not less than one hundred percent (100%) of full
        replacement cost thereof. Such policy will be written in the names of
        Tenant, Landlord and any other parties reasonably designated by Landlord
        from time to time, as their respective interests may appear. The
        property insurance may, with the consent of the Landlord, provide for a
        reasonable deductible.

        (c) WORKERS COMPENSATION INSURANCE. Worker's compensation insurance
        insuring against and satisfying Tenant's obligations and liabilities
        under the worker's compensation laws of the State of Texas.

        (d) EMPLOYERS LIABILITY INSURANCE. Employer's liability insurance in an
        amount not less than $1,000,000.00.

7.202   OTHER REQUIREMENTS OF INSURANCE. All such insurance will be issued and
        underwritten by companies reasonably acceptable to Landlord and will
        contain endorsements that (a) such insurance may not lapse with respect
        to Landlord or Property Manager or be canceled or amended with respect
        to Landlord or Property Manager without the insurance company giving
        Landlord and Property Manager at least thirty (30) days prior written
        notice of such cancellation

                                       12
<PAGE>

        or amendment, (b) Tenant will be solely responsible for payment of
        premiums, (c) in the event of payment of any loss covered by such
        policy, Landlord or Landlord's designees will be paid first by the
        insurance company for Landlord's loss and (d) Tenant's insurance is
        primary in the event of overlapping coverage which may be carried by
        Landlord.

7.203   PROOF OF INSURANCE. Tenant shall deliver to Landlord duplicate
        originals of all policies of insurance required by this Section 7.2 or
        duly executed originals of the certificates of such insurance
        evidencing in-force coverage, within ten (10) days prior to the
        commencement of construction of Tenant's Improvements. Further, Tenant
        shall deliver to Landlord renewals thereof at least thirty (30) days
        prior to the expiration of the respective policy terms.

SECTION 7.3 LANDLORD'S INSURANCE.

7.301   TYPES OF COVERAGE. Landlord covenants and agrees that from and after
        the date of delivery of the Premises from Landlord to Tenant, Landlord
        will carry and maintain, at its sole cost and expense, the insurance
        set forth in paragraphs (a) and (b) of this subsection.

        (a) PUBLIC LIABILITY INSURANCE. General Comprehensive Public Liability
        Insurance covering the Building and all Common Areas, but excluding the
        Premises, insuring against claims for personal or bodily injury or
        death or property damage occurring upon, in or about the Building or
        Common Areas to afford protection to the limit of not less than
        $2,000,000.00 combined single limit in respect to injury or death to
        any number of persons and property damage arising out of any one (1)
        occurrence. This insurance coverage shall extend to any liability of
        Landlord arising out of the indemnities provided for in this Lease.

        (b) FIRE AND EXTENDED COVERAGE INSURANCE. Landlord shall at all times
        during the term hereof maintain in effect a policy or policies of fire
        and extended coverage insurance covering the Building (excluding
        property required to be insured by Tenant) in such amounts as Landlord
        may from time to time determine, providing protection against perils
        included within the standard Texas form of fire and extended coverage
        insurance policy, together with insurance against sprinkler damage,
        vandalism, malicious mischief and such other risks as Landlord may from
        time to time determine and with any such deductibles as Landlord may
        from time to time determine.

7.302   SELF INSURANCE. Any insurance provided for in subsection 7.301 above
        may be effected by self-insurance or by a policy or policies of blanket
        insurance covering additional items or locations or assureds, provided
        that the requirements of this Section 7.3 are otherwise satisfied.
        Tenant shall have no rights in any policy or policies maintained by
        Landlord.

SECTION 7.4 WAIVER OF SUBROGATION.

Landlord and Tenant each hereby waives any rights it may have against the other
(including, but not limited to, a direct action for damages) on account of any
loss or damage occasioned to Landlord or Tenant, as the case may be (whether or
not such loss or damage is caused by the fault, negligence or other tortious
conduct, acts or omissions of Landlord or Tenant or their respective officers,
directors, employees, agents or invitees), to their respective property, the
Premises, its contents or to any other portion of the Building or the Property
arising from any risk covered by the current Texas State Board of Insurance
promulgated form of property insurance and fire and extended coverage insurance
required to be carried by Tenant and Landlord, respectively, under subsections
7.201(b) and 7.301(b) above. If a party waiving rights under this Section is
carrying a fire and extended coverage insurance policy in the promulgated form
used in the State of Texas and an amendment to such promulgated form is passed,
such amendment shall be deemed not a part of such promulgated form until it
applies to the policy being carried by the waiving party. Without in any way
limiting the foregoing waivers and to the extent permitted by applicable law,
the parties hereto each, on behalf of their respective insurance companies
insuring the property of either Landlord or Tenant against any such loss, waive
any right of subrogation that Landlord or Tenant or their respective insurers
may have against the other party or their respective officers, directors,
employees, agents or invitees and all rights of their respective insurance
companies based upon an assignment from its insured. Each party to this Lease
agrees immediately to give to each such insurance company written notification
of the terms of the mutual waivers contained in this Section and to have said
insurance policies properly endorsed, if necessary, to prevent the invalidation
of said insurance coverage by reason of said waivers. The foregoing waiver
shall be effective whether or not the parties maintain the required insurance.

SECTION 7.5 INDEMNITY.

7.501   TENANT'S INDEMNITY. Tenant will indemnify and hold Landlord, Property
        Manager and their respective officers, directors, employees and agents
        harmless from all claims, demands, actions, damages, loss, liabilities,
        judgments, costs and expenses, including without limitation, attorney's
        fees and court costs (each a "Claim" and collectively the "Claims")
        which (i) are suffered by, recovered from or asserted against Landlord,
        (ii) are not paid by insurance carried by Tenant or Landlord (without in
        any way affecting the requirements of or Landlord's rights under

                                       13
<PAGE>
       subsection 7.202[d] above) and (iii) arise from or in connection with (a)
       the use or occupancy of the Premises by Tenant and/or any accident,
       injury or damage occurring in or at the Premises or (b) any breach by
       Tenant of any representation or covenant in this Lease; provided,
       however, such indemnification of Landlord by Tenant shall not include any
       Claim waived by Landlord under Section 7.4 above, any Claim to the extent
       caused by the negligence, gross negligence or willful misconduct of
       Landlord or any Claim relating to hazardous or toxic materials except to
       the extent such Claim arises out of a breach by Tenant of any of the
       provisions of subsection 4.102 above, or Rider H-1 or Rider H-2 attached
       hereto.

7.502  LANDLORD INDEMNITY. Landlord will indemnify and hold Tenant and its
       officers, directors, employees and agents harmless from all Claims which
       are suffered by, recovered from or asserted against Tenant and which are
       not paid by proceeds of insurance carried by Landlord or Tenant and which
       arise from or in connection with (a) the use of the Common Areas and/or
       any accident, injury or damage occurring in or on the Common Areas or (b)
       any breach by Landlord of any representations or covenant in this Lease;
       provided, however, such indemnification of Tenant by Landlord shall not
       include any Claim waived by Tenant under Section 7.4 above, any Claim to
       the extent caused by the negligence, gross negligence or willful
       misconduct of Tenant or any Claim relating to hazardous or toxic
       materials except to the extent such Claim arises out of a breach by
       Landlord of any of the provisions of subsection 4.102 above or Rider H-1
       or Rider H-2 attached hereto.

                                   ARTICLE 8
                                  CONDEMNATION

SECTION 8.1 CONDEMNATION RESULTING IN CONTINUED USE NOT FEASIBLE. If the
Property or any portion thereof that, in Landlord's reasonable opinion, is
necessary to the continued efficient and/or economically feasible use of the
Property shall be taken or condemned in whole or in part for public purpose, or
sold to a condemning authority in lieu of taking, then the term of this Lease
shall, at the option of Landlord, forthwith cease and terminate.

SECTION 8.2 TOTAL CONDEMNATION OF PREMISES. In the event that all or
substantially all of the Premises is taken or condemned or sold in lieu thereof
or Tenant will be unable to use a substantial portion of the Premises for a
period of one hundred eighty (180) consecutive days by reason of a temporary
taking, either Landlord or Tenant may terminate this Lease by delivering written
notice thereof to the other within ten (10) business days after the taking,
condemnation or sale in lieu thereof.

SECTION 8.3 CONDEMNATION WITHOUT TERMINATION. If upon a taking or condemnation
or sale in lieu of the taking of all or less than all of the Property which
gives either Landlord or Tenant the right to terminate this Lease pursuant to
Section 8.1 or 8.2 above and neither Landlord nor Tenant elect to exercise such
termination right, then this Lease shall continue in full force and effect,
provided that, if the taking, condemnation or sale includes any portion of the
Premises, the Basic Annual Rent and Additional Rent shall be redetermined on the
basis of the remaining square feet of Agreed Rentable Area of the Premises.
Landlord, at Landlord's sole option and expense, shall restore and reconstruct
the Building to substantially its former condition to the extent that the same
may be reasonably feasible, but such work shall not be required to exceed the
scope of the work done by Landlord in originally constructing the Building, nor
shall Landlord in any event be required to spend for such work an amount in
excess of the amount received by Landlord as compensation or damages (over and
above amounts going to the mortgagee of the property taken) for the part of the
Building or the Premises so taken.

SECTION 8.4 CONDEMNATION PROCEEDS. Landlord shall receive the entire award
(which shall include sales proceeds) payable as a result of a condemnation,
taking or sale in lieu thereof of the Premises. Tenant hereby expressly assigns
to Landlord any and all right, title and interest of Tenant now or hereafter
arising in and to any such award with respect to the Premises but not Tenant's
tangible property. Tenant shall, however, have the right to recover from such
authority through a separate award which does not reduce Landlord's award, any
compensation as may be awarded to Tenant on account of moving and relocation
expenses and depreciation to and removal of Tenant's physical property and
Tenant Improvements in excess of the Finish Allowance.

                                   ARTICLE 9
                                     LIENS

Tenant shall keep the Premises free from all liens arising out of any work
performed, materials furnished or obligations incurred by or for Tenant and
Tenant shall indemnify and hold Landlord harmless from any and all claims,
causes of action, damages, expenses (including reasonable attorney's fees),
arising from or in connection with any such liens. In the event that Tenant
shall not, within twenty (20) days following notification to Tenant of the
imposition of any such lien, cause the same to be released of record by payment
or the posting of a bond in amount, form and substance acceptable to Landlord,
Landlord shall have, in addition to all other remedies provided herein and by
law, the right but not the obligation, to cause the same to be released by such
means as it shall deem proper, including payment of or defense against the claim
giving rise to such lien. All amounts paid or incurred by Landlord in connection
therewith shall be paid by Tenant to Landlord on demand and shall bear interest
from the date of demand until paid at the rate set forth in Section 15.10 below.
Nothing in this Lease shall be deemed or construed in any way

                                       14

<PAGE>
as constituting the consent or request of Landlord, express or implied, by
inference or otherwise, to any contractor, subcontractor, laborer or
materialman for the performance of any labor or the furnishing of any materials
for any specific improvement, alteration or repair of or to the Building or the
Premises or any part thereof, nor as giving Tenant any right, power or
authority to contract for or permit the rendering of any services or the
furnishing of any materials that would give rise to the filing of any
mechanic's or other liens against the interest of Landlord in the Property or
the Premises.

                                   ARTICLE 10
                           TAXES ON TENANT'S PROPERTY

Tenant shall be liable for and shall pay, prior to their becoming delinquent,
any and all taxes and assessments levied against, and any increases in Real
Estate Taxes as a result of; any personal property or trade or other fixtures
placed by Tenant in or about the Premises and any improvements (other than
Tenant's Improvements) constructed in the Premises by or on behalf of Tenant.
In the event Landlord pays any such addition taxes or increases, Tenant will,
within ten (10) days after demand, reimburse Landlord for the amount thereof.

                                   ARTICLE 11
                            SUBLETTING AND ASSIGNING

SECTION 11.1  SUBLEASE AND ASSIGNMENT.  Tenant shall not assign this Lease, or
allow it to be assigned, in whole or in part, by operation of law or otherwise
or mortgage or pledge the same, or sublet the Premises or any part thereof or
permit the Premises to be occupied by any firm, person, partnership or
corporation or any combination thereof, other than Tenant, without the prior
written consent of Landlord, WHICH CONSENT SHALL NOT BE UNREASONABLY WITHHELD.
In no event shall any assignment or sublease ever release Tenant from any
obligation or liability hereunder. No assignee or sublessee of the Premises or
any portion thereof may assign or sublet the Premises or any portion thereof.
Consent by Landlord to one or more assignments or sublettings shall not operate
as a waiver of Landlord's right as to any subsequent assignments and/or
sublettings. All reasonable legal fees and expenses incurred by Landlord in
connection with any assignment or sublease proposed by Tenant will be the
responsibility of Tenant and will be paid by Tenant within five (5) days of
receipt of an invoice from Landlord.

SECTION 11.2  LANDLORD'S RIGHTS RELATING TO ASSIGNEE OR SUBTENANT.  If this
Lease or any part hereof is assigned or the Premises or any Premises thereof
are sublet, Landlord may at its option collect directly from such assignee or
sublessee all rents becoming due to Tenant under such assignment or sublease
and apply such rent against any sums due to Landlord by Tenant hereunder.
Tenant hereby authorizes and directs any such assignee or sublessee to make
such payments of rent direct to Landlord upon receipt of notice from Landlord
and Tenant agrees that any such payments made by an assignee or sublessee to
Landlord shall, to the extent of the payments so made, be a full and complete
release and discharge of rent owed to Tenant by such assignee or sublessee. No
direct collection by Landlord from any such assignee or sublessee shall be
construed to constitute a novation or a release of Tenant or any guarantor of
Tenant from the further performance of its obligations hereunder. Receipt by
Landlord of rent from any assignee, sublessee or occupant of the Premises or
any part thereof shall not be deemed a waiver of the above covenant in this
Lease against assignment and subletting or a release of Tenant under this
Lease. In the event that, following an assignment or subletting, this Lease or
the rights and obligations of Tenant hereunder are terminated for any reason,
including without limitation in connection with default by or bankruptcy of
Tenant (which, for the purposes of this Section 11.2, shall include all persons
or entities claiming by or through Tenant), Landlord may, at its sole option,
consider this Lease to be thereafter a direct lease to the assignee or
subtenant of Tenant upon the terms and conditions contained in this Lease.

                                   ARTICLE 12
                    TRANSFERS BY LANDLORD, SUBORDINATION AND
                         TENANT'S ESTOPPEL CERTIFICATE

SECTION 12.1  SALE OF THE PROPERTY. In the event of a sale of conveyance by
Landlord of the Property, the same shall operate to release Landlord from any
and all liability under this Lease arising after the date of such sale,
PROVIDED THE PURCHASE IS A FULLY CAPITALIZED, ONGOING BONA FIDE BUSINESS
ENTITY, WHICH IN WRITING ASSUMES ALL OBLIGATIONS OF LANDLORD HEREUNDER
INCLUDING WITHOUT LIMITATION ALL OBLIGATIONS REGARDING THE SECURITY DEPOSIT.

SECTION 12.2  SUBORDINATION, ATTORNMENT AND NOTICE.  This Lease is subject and
subordinate to (i) any lease wherein Landlord is the tenant and to the liens of
any and all mortgages and deeds of trust, regardless of whether such lease,
mortgage or deed of trust now exists or may hereafter be created with regard to
all or any part

                                       15
<PAGE>
of the Property, (ii) any and all advances (including interest thereon) to be
made under any such lease, mortgage or deed of trust and (iii) all
modifications, consolidations, renewals, replacements and extensions of any such
lease, mortgage or deed of trust; provided that the foregoing subordination in
respect of any mortgage or deed of trust placed on the Property after the date
hereof shall not become effective until and unless the holder of such mortgage
or deed of trust delivers to Tenant a non-disturbance agreement (which may
include Tenant's agreement to attorn as set forth below) permitting Tenant, if
Tenant is not then in default under, or in breach of any provision of, this
Lease, to remain in occupancy of the Premises in the event of a foreclosure of
any such mortgage or deed of trust UPON THE TERMS AND CONDITIONS HEREIN
CONTAINED. Tenant also agrees that any lessor, mortgagee or trustee may elect
(which election shall be revocable) to have this Lease superior to any lease or
lien of its mortgage or deed of trust and, in the event of such election and
upon notification by such lessor, mortgagee or trustee to Tenant to that effect,
this Lease shall be deemed superior to the said lease, mortgage or deed of
trust, whether this Lease is dated prior to or subsequent to the date of said
lease, mortgage or deed of trust. Subject to the foregoing, Tenant shall, in the
event of the sale or assignment of Landlord's interest in the Premises (except
in a sale-leaseback financing transaction), or in the event of the termination
of any lease in a sale-leaseback financing transaction wherein Landlord is the
lessee, attorn to and recognize such purchaser, assignee or mortgagee as
Landlord under this Lease. Tenant shall, in the event of any proceedings brought
for the foreclosure of, or in the event of the exercise of the power of sale
under, any mortgage or deed of trust covering the Premises, attorn to and
recognize purchaser at such sale, assignee or mortgagee, as the case may be, as
Landlord under this Lease. The above subordination and attornment clauses shall
be self-operative (subject to the proviso herein contained) and no further
instruments of subordination or attornment need be required by any mortgagee,
trustee, lessor, purchaser or assignee. In confirmation thereof, Tenant agrees
that, upon the request of Landlord, or any such lessor, mortgagee, trustee,
purchaser or assignee, Tenant shall execute and deliver whatever instruments may
be required for such purposes and to carry out the intent of this Section 12.2.
LANDLORD ACKNOWLEDGES TO TENANT, THAT AS OF THE DATE OF THIS LEASE AND AS OF THE
COMMENCEMENT DATE, THE PROPERTY, OR ANY PART THEREOF, SHALL BE SUBJECT TO NO
GROUND LEASE, MORTGAGE, OR DEED OF TRUST.

SECTION 12.3 TENANTS ESTOPPEL CERTIFICATE. Tenant shall, upon the request of
Landlord or any mortgagee of Landlord, without additional consideration, deliver
an estoppel certificate, consisting of reasonable statements required by
Landlord, any mortgagee or purchaser of any interest in the Property, which
statements may include but shall not be limited to the following: this Lease is
in full force and effect, with rental paid through _________________; this Lease
has not been modified or amended; and Landlord is not in default and Landlord
has fully performed all of Landlord's obligations hereunder. If Tenant is unable
to make any of the statements contained in the estoppel certificate because the
same is untrue, Tenant shall with specificity state the reason why such
statement is untrue. Tenant shall, if requested by Landlord or any such
mortgagee, deliver to Landlord a fully executed instrument in form reasonably
satisfactory to Landlord evidencing the agreement of Tenant to the mortgage or
other hypothecation by Landlord of the interest of Landlord hereunder.

                                   ARTICLE 13
                                    DEFAULT

SECTION 13.1 DEFAULTS BY TENANT. The occurrence of any of the events described
in subsections 13.101 through 13.108 shall constitute a default by Tenant under
this Lease.

13.101    FAILURE TO PAY RENT. With respect to the first two payments of Rent
          not made by Tenant when due in any twelve (12) month period, the
          failure by Tenant to make either such payment to Landlord within three
          (3) business days after Tenant receives written notice specifying that
          the Payment was not made when due. With respect to any other payment
          of Rent, the failure by Tenant to make such payment of Rent to
          Landlord when due, no notice of any such failure being required.

13.102    FAILURE TO PERFORM. Except for a failure covered by subsection 13.101
          above or 13.103 below, any failure by Tenant to observe and perform
          any provision of this Lease to be observed or performed by Tenant
          where such failure continues for thirty (30) days after written notice
          to Tenant, provided that if such failure cannot be cured within said
          thirty (30) day period, Tenant shall not be in default hereunder so
          long as Tenant commences curative action within such thirty (30) day
          period, diligently and continuously pursues the curative action and
          fully and completely cures the failure within sixty (60) days after
          such written notice to Tenant.

13.103    CONTINUAL FAILURE TO PERFORM. The third failure by Tenant in any
          twelve (12) month period to perform and observe a particular provision
          of this Lease to be observed or performed by Tenant (other than the
          failure to pay Rent, which in all instances will be covered by
          subsection 13.101 above), no notice being required for any such third
          failure.

13.104    BANKRUPTCY, INSOLVENCY, ETC. Tenant (i) cannot meet its obligations as
          they become due, (ii) becomes or is declared insolvent according to
          any law, (iii) makes a transfer in fraud of creditors according to any
          applicable law, (iv) assigns or conveys all or a substantial portion
          of its property for the benefit or creditors or (v) Tenant files a
          petition for relief under the Federal Bankruptcy Code or any other
          present or future federal or state insolvency, bankruptcy or similar
          law (collectively, "applicable bankruptcy law"); a receiver or

                                       16
<PAGE>
          trustee is appointed for Tenant or its property; the interest of
          Tenant under this Lease is levied on under execution or under other
          legal process; any involuntary petition is filed against Tenant under
          applicable bankruptcy law; or any action is taken to reorganize or
          modify Tenant's capital structure if either Tenant be a corporation
          or other entity (provided that no such levy, execution, legal process
          or petition filed against Tenant shall constitute a breach of this
          Lease if Tenant shall vigorously contest the same by appropriate
          proceedings and shall remove or vacate the same within ninety (90)
          days from the date of its creation, service or filing).

13.105    ABANDONMENT.  The abandonment of the Premises by Tenant.

13.106    VACATION.  The vacating of the Premises by Tenant, which shall be
          conclusively presumed if Tenant is absent from the Premises for ten
          (10) consecutive days (OTHER THAN DURING A PERIOD THE PREMISES ARE
          UNFIT FOR OCCUPANCY) or more if Tenant shall fail to move into or
          take possession of the Premises within ten (10) days after the date
          on which Rent is to commence under the terms of this Lease.

13.107    LOSS OF RIGHT TO DO BUSINESS.  If Tenant is a corporation or limited
          partnership, Tenant fails to maintain its right to do business in the
          State of Texas or fails to pay any applicable annual franchise taxes
          as and when same become finally due and payable.

13.108    DISSOLUTION OR LIQUIDATION.  If Tenant is a corporation or
          partnership, Tenant dissolves or liquidates or otherwise fails to
          maintain its corporate or partnership structure, as applicable.

With respect to the defaults described in subsections 13.103 through 13.108,
Landlord shall not be obligated to give Tenant notices of default and Tenant
shall have no right to cure such defaults.

SECTION 13.2  REMEDIES OF LANDLORD.  Upon the occurrence of any default by
Tenant specified in Section 13.1 above, Landlord, at its option, may in
addition to all other rights and remedies provided herein or at law or in
equity, exercise one or more of the remedies set forth in subsections 13.201,
13.202 or 13.203 below.

13.201    TERMINATION OF THE LEASE.  Upon the occurrence of a default by Tenant
          hereunder, Landlord may, without judicial process, terminate this
          Lease by giving written notice thereof to Tenant (whereupon all
          obligations and liabilities of Landlord hereunder shall terminate)
          and, without further notice and without liability, repossess the
          Premises. Landlord shall be entitled to recover all loss and damage
          Landlord may suffer by reason of such termination, whether through
          inability to relet the Premises on satisfactory terms or otherwise,
          including without limitation, the following (without duplication of
          any element of damages):

          (a) accrued Rent to the date of termination and Late Charges, plus
          interest thereon at the rate established under Section 15.10 below
          from the date due through the date paid or date of any judgment or
          award by any court of competent jurisdiction, the unamortized cost of
          Tenant's Improvements, brokers' fees and commissions, attorneys'
          fees, moving allowances and any other costs incurred by Landlord in
          connection with making or executing this Lease, the cost of
          recovering the Premises and the costs of reletting the Premises
          (including, without limitation, advertising costs, brokerage fees,
          leasing commissions, reasonable attorneys' fees and refurbishing
          costs and other costs in readying the Premises for a new tenant);

          (b) the Present value of the Rent (discounted at a rate of interest
          equal to eight Percent [8%] per annum [the "Discount Rate]) that
          would have accrued under this Lease for the balance of the Lease term
          but for such termination, reduced by the reasonable fair market
          rental value of the Premises for such balance of the Lease term
          (determined from the present value of the actual base rents,
          discounted at the Discount Rate, received and to be received from
          Landlord's reletting of the Premises or, if the Premises are not
          relet, the base rents, discounted at the Discount Rate, that would be
          received from a comparable lease and comparable tenant for a
          comparable term and taking into account among other things, the
          condition of the Premises, market conditions and the period of time
          the Premises may reasonably remain vacant before Landlord is able to
          re-lease the same to a suitable replacement tenant, it being agreed
          that Landlord shall have no obligation to relet or attempt to relet
          the Premises);

          (c) plus any other costs or amounts necessary to compensate Landlord
          for its damages.

13.202    REPOSSESSION AND RE-ENTRY. Upon the occurrence of a default by Tenant
          hereunder, Landlord may, without judicial process, immediately
          terminate Tenant's right of possession of the Premises (whereupon all
          obligations and liability of Landlord hereunder shall terminate), but
          not terminate this Lease, and, without notice, demand or liability,
          enter upon the Premises or any part thereof, take absolute possession
          of the same, expel or remove Tenant and any other person or entity
          who may be occupying the Premises and change the locks. If Landlord
          terminates Tenant's possession of the Premises under this subsection
          13.202, (i) Landlord shall have no

                                       17

<PAGE>

        obligation whatsoever to tender to Tenant a key for new locks installed
        in the Premises, (ii) Tenant shall have no further right to possession
        of the Premises and (iii) Landlord shall have no obligation whatsoever
        to relet or attempt to relet the Premises. Landlord may, however, at
        its sole option relet the Premises or any part thereof for such terms
        and such rents as Landlord may in its sole discretion elect. If
        Landlord elects to relet the Premises, rent received by Landlord from
        such reletting shall be applied first, to the payment of any
        indebtedness other than Rent due hereunder from Tenant to Landlord (in
        such order as Landlord shall designate), second, to the payment of any
        cost of such reletting, including, without limitation, refurbishing
        costs, reasonable attorneys' fees, advertising costs, brokerage fees
        and leasing commissions and third, to the payment of Rent due and
        unpaid hereunder (in such order as Landlord shall designate), and
        Tenant shall satisfy and pay to Landlord any deficiency upon demand
        therefor from time to time. Landlord shall not be responsible or liable
        for any failure to relet the Premises or any part thereof or for any
        failure to collect any rent due upon any such reletting. No such
        re-entry or taking of possession of the Premises by Landlord shall be
        construed as an election on Landlord's part to terminate this Lease
        unless a written notice of such termination is given to Tenant pursuant
        to subsection 13.201 above. If Landlord relets the Premises, either
        before or after the termination of this Lease, all such rentals
        received from such lease shall be and remain the exclusive property of
        Landlord and Tenant shall not be, at any time, entitled to recover any
        such rental. Landlord may at any time after a reletting elect to
        terminate this Lease.

13.203  CURE OF DEFAULT. Landlord may, without judicial process, enter upon the
        Premises, without having any liability therefor and do whatever Tenant
        is obligated to do under the terms of this Lease and Tenant agrees to
        reimburse Landlord on demand for any expenses which Landlord may incur
        in effecting compliance with Tenant's obligations under this Lease, and
        Tenant further agrees that Landlord shall not be liable for any damages
        resulting to Tenant from such action, whether caused by the negligence
        of Landlord or otherwise.

13.204  CONTINUING OBLIGATIONS. No repossession of or re-entering upon the
        Premises or any part thereof pursuant to subsection 13.202 or 13.203
        above or otherwise and no reletting of the Premises or any part thereof
        pursuant to subsection 13.202 above shall relieve Tenant of its
        liabilities and obligations hereunder, all of which shall survive such
        repossession or re-entering. In the event of any such repossession of
        or re-entering upon the Premises or any party thereof by reason of the
        occurrence of a default, Tenant will continue to pay to Landlord Rent
        required to be paid by Tenant.

13.205  CUMULATIVE REMEDIES. No right or remedy herein conferred upon or
        reserved to Landlord is intended to be exclusive of any other right or
        remedy and each and every right and remedy shall be cumulative and in
        addition to any other right or remedy given hereunder or now or
        hereafter existing at law or in equity or by statute. In addition to
        the other remedies provided in this Lease, Landlord shall be entitled,
        to the extent permitted by applicable law, to injunctive relief in case
        of the violation, or attempted or threatened violation, of any of the
        covenants, agreements, conditions or provisions of this Lease, or to a
        decree compelling performance of any of the covenants, agreements,
        conditions or provisions of this Lease, or to any other remedy allowed
        to Landlord at law or in equity.

SECTION 13.3 DEFAULTS BY LANDLORD. EXCEPT AS SET FORTH IN SECTION 5.4, Landlord
shall be in default under this Lease if Landlord fails to perform any of its
obligations hereunder and said failure continues for a period of thirty (30)
days after Tenant delivers written notice thereof to Landlord (to each of the
addresses required by this Section) and each mortgagee who has a lien against
any portion of the Property and whose name and address has been provided to
Tenant, provided that if such failure cannot reasonably be cured within said
thirty (30) day period, Landlord shall not be in default hereunder if the
curative action is commenced within said thirty (30) day period and is
thereafter diligently pursued until cured. EXCEPT AS SET FORTH IN SECTION 5.4,
in no event shall (i) Tenant claim a constructive or actual eviction or that
the Premises have become unsuitable hereunder or (ii) a constructive or actual
eviction or breach of the implied warranty of suitability be deemed to have
occurred under this Lease, prior to the expiration of the notice and cure
periods provided under this Section 13.3. Any notice of a failure to perform by
Landlord shall be sent to Landlord at the addresses and to the attention of the
parties set forth in the Basic Lease Provisions. Any notice of a failure to
perform by Landlord not sent to Landlord at all addresses and/or to the
attention of all parties required under this Section and to each mortgagee who
is entitled to notice or not sent in compliance with Article 14 below shall be
of no force or effect.

SECTION 13.4 LANDLORD'S LIABILITY.

13.401  TENANT'S RIGHT IN RESPECT OF LANDLORD DEFAULT. Tenant is granted no
        contractual right of termination by this Lease, except to the extent
        and only to the extent set forth in Sections 5.4, 7.1, 8.2 and 12.2
        above and Rider H-2 attached hereto. IN THE EVENT THAT LANDLORD COMMITS
        A DEFAULT HEREUNDER, TENANT MAY PURSUE ANY REMEDIES AVAILABLE TO TENANT
        AT LAW OR IN EQUITY; PROVIDED, HOWEVER, LANDLORD'S LIABILITY HEREUNDER
        SHALL BE LIMITED AS PROVIDED IN SECTION 13.402 HEREOF. If Tenant shall
        recover a money judgment against Landlord, such

                                       18
<PAGE>
        judgment shall be satisfied only out of the right, title and interest of
        Landlord in the Property as the same may then be encumbered and Landlord
        shall not be liable for and deficiency. If Landlord is found to be in
        default hereunder by reason of its failure to give a consent that it is
        required to give hereunder, Tenant's sole remedy will be an action for
        specific performance or injunction. The foregoing sentence shall in no
        event be construed as mandatorily requiring Landlord to give consents
        under this Lease. In no event shall Landlord be liable to Tenant for
        consequential or special damages by reason of a failure to perform (or a
        default) by Landlord hereunder or otherwise. In no event shall Tenant
        have any right to levy execution against any property of Landlord other
        than its interest in the Property as hereinbefore expressly provided.

        NOTWITHSTANDING THE FOREGOING, HOWEVER, TENANT SHALL ALSO HAVE THE RIGHT
        TO SATISFY A JUDGMENT AGAINST LANDLORD OUT OF (a) THE PROCEEDS COLLECTED
        BY LANDLORD OR WHICH LANDLORD HAS THE RIGHT TO COLLECT FROM ANY INSURER
        WITH RESPECT TO DAMAGE OR DESTRUCTION OF ALL OR ANY PART OF THE PROJECT;
        (b) THE PROCEEDS OF ANY SALE OF ALL OR ANY PART OF LANDLORD'S RIGHT,
        TITLE AND INTEREST IN ALL OR ANY PART OF THE PROJECT; (c) THE PROCEEDS
        OF ANY LOAN SECURED IN WHOLE OR IN PART BY THE PROJECT OR ALL OR ANY
        PART OF LANDLORD'S RIGHT, TITLE OR INTEREST IN THE PROJECT; AND (d) ANY
        AND ALL RENTS COLLECTED BY LANDLORD OR WHICH LANDLORD HAS THE RIGHT TO
        COLLECT WITH RESPECT TO ALL OR ANY PART OF THE PROJECT.

13.402  CERTAIN LIMITATIONS ON LANDLORD'S LIABILITY. Unless covered by
        subsection 7.502 above or caused by Landlord's gross negligence or
        willful misconduct, Landlord shall not be liable to Tenant for any
        claims, actions, demands, costs, expenses, damage or liability of any
        kind (ii) caused by or arising out of fire, explosion, falling
        sheetrock, gas, electricity, water, rain, snow or dampness, or leaks in
        any part of the Premises, (iii) caused by or arising out of damage to
        the roof, pipes, appliances or plumbing works or any damage to or
        malfunction of heating, ventilation or air conditioning equipment or
        (iv) caused by tenants or any persons either in the Premises or
        elsewhere in the Building (other than Common Areas) or by occupants of
        property adjacent to the Building or Common Areas or by the public or by
        the construction of any private, public or quasi-public work. In no
        event shall Landlord be liable to Tenant for any loss of or damage to
        property of Tenant or of others located in the Premises or the Building
        by reason of theft or burglary.

SECTION 13.5 WAIVER OF TEXAS DECEPTIVE TRADE PRACTICES ACT. It is the intent of
Landlord and Tenant to waive all of the provisions (other than Section 17.555)
of the Texas Deceptive Trade Practices -- Consumer Protection Act, Subchapter E
of Chapter 17 of the Texas Business and Commerce Code (the "DTPA") as such
provisions are or may be applicable to this Lease and the transaction evidenced
hereby. Accordingly, Landlord and Tenant hereby represent and agree as follows:

        (a) Tenant represents to Landlord that Tenant is not in a significantly
        disparate bargaining position with respect to this Lease and the
        transaction evidenced hereby.

        (b) Tenant represents to Landlord that Tenant is represented by legal
        counsel in connection with this Lease.

        (c) Tenant represents to Landlord that this Lease does not involve a
        purchase or lease of a family residence occupied or to be occupied as
        Tenant's residence and that, with respect to this Lease, Tenant is a
        business consumer as that term is used in the DTPA (i.e. Tenant is an
        individual, partnership or corporation who seeks or acquired by purchase
        or lease, any goods or services for commercial or business use).

        (d) Landlord and Tenant agree that the total consideration paid or to be
        paid by Tenant over the term of this Lease exceeds $500,000.00, failing
        which this part (d) shall be deemed deleted.

        (e) Tenant represents to Landlord that Tenant has assets of $5 million
        or more according to the most recent financial statement of Tenant
        prepared in accordance with generally accepted accounting principles,
        failing which Landlord and Tenant shall have their respective legal
        counsel sign this Lease in the space provided on the signature page
        hereof. Tenant further represents that it has knowledge and experience
        in financial and business matters that enable it to evaluate the merits
        and risks of this transaction.

        (f) Landlord and Tenant hereby agree, for themselves, their agents,
        property managers, brokers and contractors and their respective heirs,
        personal representatives, successors and assigns, that all of the
        provisions of the DTPA (except for Section 17.555 thereof) which

                                       19
<PAGE>
               are or may be applicable to this Lease and the transaction
               evidenced hereby are hereby WAIVED, including specifically,
               without limitation, all rights and remedies resulting from or
               arising out of any and all acts or practices of the other party
               or their agents, property managers or brokers or their respective
               heirs, personal representatives or assigns in connection with
               this Lease and/or the transaction evidenced hereby, regardless of
               whether such acts or practices occurred before or after the
               execution of this Lease. The provisions of this Section shall
               survive the execution and any termination of this Lease. IF PART
               (d) ABOVE IS DEEMED DELETED, THIS SECTION 13.5 SHALL NOT BE
               APPLICABLE AND SHALL BE WITHOUT FORCE OR EFFECT.

SECTION 13.6 LANDLORD'S LIEN. ANY LANDLORD'S LIEN, WHETHER STATUTORY, COMMON
LAW, CONTRACTUAL OR OTHERWISE, IS HEREBY WAIVED.

                                   ARTICLE 14
                                    NOTICES

Any notice or communication required or permitted in this Lease shall be given
in writing, sent by (a) personal delivery, (b) expedited delivery service with
proof of delivery, (c) United States mail, Postage Prepaid, registered or
certified mail, return receipt requested or (d) prepaid telegram (provided that
such telegram is confirmed by expedited delivery service or by mail in the
manner previously described), addressed as provided in Item 15 of the Basic
Lease Provisions and Section 13.3 above or to such other address or to the
attention of such other person as shall be designated from time to time in
writing by the applicable party and sent in accordance herewith. Notice also may
be given by telex or fax, provided each such transmission is confirmed (and such
confirmation is supported by documented evidence) as received and further
provided a telex or fax number, as the case may be, is set forth in Item 15 of
the Basic Lease Provisions. Any such notice or communication shall be deemed to
have been given either at the time of personal delivery or, in the case of
delivery service or mail, as of the date of first attempted delivery at the
address and in the manner provided herein, or in the case of telegram or telex
or fax, upon receipt. COPIES OF ANY NOTICES TO TENANT SHALL BE SENT TO PRABHAT
GOYAL, McAFEE ASSOCIATES, INC., 2710 WALSH AVENUE, SANTA CLARA, CALIFORNIA 95051
AND KENT H. ROBERTS, MOSELEY & STANDERFER, P.C., 500 HAMPTON COURT, 4311 OAK
LAWN AVENUE, LB14, DALLAS, TEXAS 75219.

                                   ARTICLE 15
                            MISCELLANEOUS PROVISIONS

SECTION 15.1 BUILDING NAME AND ADDRESS. Tenant shall not, without the written
consent of Landlord, use the name of the Building for any purpose other than as
the address of the business to be conducted by Tenant in the Premises and in no
event shall Tenant acquire any rights in or to such names. Landlord shall have
the right at any time to change the name, number or designation by which the
Building is known.

SECTION 15.2 SIGNAGE. Tenant shall not inscribe, paint, affix or display any
signs, advertisements or notices on or in the Building, except for such tenant
identification information as Landlord permits to be included or shown on the
directory in the main lobby and adjacent to the access door or doors to the
Premises. REFERENCE IS MADE TO RIDER NO. 5.

SECTION 15.3 NO WAIVER. No waiver by Landlord or by Tenant of any provision of
this Lease shall be deemed to be a waiver by either party of any other provision
of this Lease. No waiver by Landlord of any breach by Tenant shall be deemed a
waiver of any subsequent breach by Tenant of the same or any other provision. No
waiver by Tenant of any breach by Landlord shall be deemed a waiver of any
subsequent breach by Landlord of the same or any other provision. The failure of
Landlord or Tenant to insist at any time upon the strict performance of any
covenant or agreement or to exercise any option, right, power or remedy
contained in this Lease shall not be construed as a

                                       20
<PAGE>
waiver or a relinquishment thereof for the future. Landlord's consent to or
approval of any act by Tenant requiring Landlord's consent or approval shall not
be deemed to render unnecessary the obtaining of Landlord's consent to or
approval of any subsequent act of Tenant. Tenant's consent to or approval of any
act by Landlord requiring Tenant's consent or approval shall not be deemed to
render unnecessary the obtaining of Tenant's consent to or approval of any
subsequent act of Landlord. No act or thing done by Landlord or Landlord's
agents during the term of this Lease shall be deemed an acceptance of a
surrender of the Premises, unless done in writing signed by Landlord. The
delivery of the keys to any employee or agent of Landlord shall not operate as a
termination of this Lease or a surrender of the Premises. The acceptance of any
Rent by Landlord following a breach of this Lease by Tenant shall not constitute
a waiver by Landlord of such breach or any other breach. The payment of Rent by
Tenant following a breach of this Lease by Landlord shall not constitute a
waiver by Tenant of any such breach or any other breach. No waiver by Landlord
or Tenant of any provision of this Lease shall be deemed to have been made
unless such waiver is expressly stated in writing signed by the waiving party.
No payment by Tenant or receipt by Landlord of a lesser amount than the monthly
installment of Rent due under this Lease shall be deemed to be other than on
account of the earliest Rent due hereunder, nor shall any endorsement or
statement on any check or any letter accompanying any check or payment as Rent
be deemed an accord and satisfaction and Landlord may accept such check or
payment without prejudice to Landlord's right to recover the balance of such
rent or pursue any other remedy which may be available to Landlord.

SECTION 15.4 APPLICABLE LAW. This Lease shall be governed by and construed in
accordance with the laws of the State of Texas.

SECTION 15.5 COMMON AREAS. "Common Areas" will mean all areas, space, facilities
and equipment (whether or not located within the Building) made available by
Landlord for the common and joint use of Landlord, Tenant and others designated
by Landlord using or occupying space in the Building, including but not limited
to, tunnels, walkways, sidewalks and driveways necessary for access to the
Building, Building lobbies, landscaped areas, public corridors, Public rest
rooms, Building stairs,, elevators open to the public, service elevators
(provided that such service elevators shall be available only for tenants of the
Building and others designated by Landlord), drinking fountains and any such
other areas and facilities, if any, as are designated by Landlord from time to
time as Common Areas. Common Areas shall not include the Garage. "Service
Corridors" shall mean all loading docks, loading areas and all corridors that
are not open to the public but which are available for use by Tenant and others
designated by Landlord. "Service Areas" will refer to areas, spaces, facilities
and equipment serving the Building (whether or not located within the Building)
but to which Tenant and other occupants of the Building will not have access,
including, but not limited to, mechanical, telephone, electrical and similar
rooms and air and water refrigeration equipment. Tenant is hereby granted a
nonexclusive right to use the Common Areas and Service Corridors during the term
of this Lease for their intended purposes, in common with others designated by
Landlord, subject to the terms and conditions of this Lease, including, without
limitation, the Rules and Regulations. The Building, Common Areas, Service
Corridors and Service Areas will be at all times under the exclusive control,
management and operation of the Landlord. Tenant agrees and acknowledges that
the Premises (whether consisting of less than one floor or consisting of one or
more full floors within the Building) do not include, and Landlord hereby
expressly reserves for its sole and exclusive use, any and all mechanical,
electrical, telephone and similar rooms, janitor closets, elevator, pipe and
other vertical shafts and ducts, flues, stairwells, any area above the
acoustical ceiling and any other areas not specifically shown on Exhibit A as
being part of the Premises.

SECTION 15.6 SUCCESSORS AND ASSIGNS. Subject to Article 11 hereof, all of the
covenants, conditions and provisions of this Lease shall be binding upon and
shall inure to the benefit of the parties hereto and their respective heirs,
personal representatives, successors and assigns.

SECTION 15.7 BROKERS. Tenant warrants that it has had no dealings with any real
estate broker or agent in connection with the negotiation of this Lease,
excepting only the broker named in Item 11 of the Basic Lease Provisions and
that it knows of no other real estate brokers or agents who are or might be
entitled to a commission in connection with this Lease. Tenant agrees to
indemnify and hold harmless Landlord from and against any liability or claim,
whether meritorious or not, arising in respect to brokers and/or agents not so
named. Landlord has agreed to pay the fees of the broker (but only the broker)
named in Item 11 of the Basic Lease Provisions to the extent that Landlord has
agreed to do so pursuant to a written agreement with such broker.

SECTION 15.8 SEVERABILITY. If any provision of this Lease or the application
thereof to any person or circumstances shall be invalid or unenforceable to any
extent, the application of such provisions to other persons or circumstances and
the remainder of this Lease shall not be affected thereby and shall be enforced
to the greatest extent permitted by Law.

SECTION 15.9 EXAMINATION OF LEASE. Submission by Landlord of this instrument to
Tenant for examination or signature does not constitute a reservation of or
option for lease. This Lease will be effective as a lease or otherwise only upon
execution by and delivery to both Landlord and Tenant.

SECTION 15.10 INTEREST ON TENANT'S OBLIGATIONS. Any amount due from Tenant to
Landlord which is not paid within thirty (30) days after the date due shall bear
interest at the lower of (i) eighteen percent (18%) per annum or (ii) the
highest rate from time to time allowed by applicable law, from the date such
payment is due until paid, but the payment of such interest shall not excuse or
cure the default.

SECTION 15.11 TIME. Time is of the essence in this Lease an in each and all of
the provisions hereof. Whenever

                                       21
<PAGE>
a period of days is specified in this Lease, such period shall refer to
calendar days unless otherwise expressly stated in this Lease.

SECTION 15.12 DEFINED TERMS AND MARGINAL HEADINGS. The words "Landlord" and
"Tenant" as used herein shall include the plural as well as singular. If more
than one person is named as Tenant, the obligations of such persons are joint
and several. The headings and titles to the articles, sections and subsections
of this Lease are not a part of this Lease and shall have no effect upon the
construction or interpretation of any part of this Lease.

SECTION 15.13 AUTHORITY OF TENANT. Tenant and each person signing this Lease on
behalf of Tenant represents to Landlord as follows: Tenant, if a corporation, is
duly incorporated and legally existing under the laws of the state of its
incorporation and is duly qualified to do business in the State of Texas.
Tenant, if a partnership or joint venture, is duly organized under the Texas
Uniform Partnership Act. Tenant, if a limited partnership, is duly organized
under the applicable limited partnership act of the State of Texas or, if
organized under the laws of a state other than Texas, is qualified under said
Texas limited partnership act. Tenant has all requisite power and all
governmental certificates of authority, licenses, permits, qualifications and
other documentation to lease the Premises and to carry on its business as now
conducted and as contemplated to be conducted. Each person signing on behalf of
Tenant is authorized to do so. The foregoing representations in this Section
15.13 shall also apply to any corporation, partnership, joint venture or limited
partnership which is a general partner or joint venturer of Tenant.

SECTION 15.14 FORCE MAJEURE. Whenever a period of time is herein prescribed for
action to be taken by Landlord or Tenant, the party taking the action shall not
be liable or responsible for, and there shall be excluded from the computation
for any such period of time, any delays due to strikes, riots, acts of God,
shortages of labor or materials, war, governmental laws, regulations or
restrictions or any other causes of any kind whatsoever which are beyond the
reasonable control of such party; provided, however, in no event shall the
foregoing apply to the financial obligations of either Landlord or Tenant to
the other under this Lease, including Tenant's obligation to pay Basic Annual
Rent, Additional Rent or any other amount payable to Landlord hereunder.

SECTION 15.15 RECORDING. This Lease shall not be recorded. However, Landlord
shall have the right to record a short form or memorandum hereof, at Landlord's
expense, at any time during the term hereof and, if requested, Tenant agrees
(without charge to Landlord) to join in the execution thereof.

SECTION 15.16 NO REPRESENTATIONS. Landlord and Landlord's agents have made no
warranties, representations or promises (express or implied) with respect to the
Premises, the Building or any other part of the Property (including, without
limitation, the condition, use or suitability of the Premises, the Building or
the Property), except as herein expressly set forth and no rights, easements or
licenses are acquired by Tenant by implication or otherwise except as expressly
set forth in the provisions of this Lease.

SECTION 15.17 PARKING. If the Property includes a Garage, there shall be an
Exhibit F attached hereto, which shall set forth the agreements between Landlord
and Tenant relating to parking. If there is no Garage included in the Property,
then the remaining provisions of this Section shall be applicable with respect
to parking. The parking areas shall be designated for automobile parking on a
non-exclusive basis for all Property tenants (including Tenant) and their
respective employees, customers, invitees and visitors. Parking and delivery
areas for all vehicles shall be in accordance with parking regulations
established from time to time by Landlord, with which Tenant agrees to conform.
Tenant shall only permit parking by its employees, customers and agents of
automobiles in appropriate designated parking areas.

TENANT COVENANTS THAT ALL TIMES DURING THE TERM OF THE LEASE THAT TENANT WILL
NOT USE IN EXCESS OF 3.55 PARKING SPACES FOR EACH ONE THOUSAND (1,000) RENTABLE
SQUARE FEET IN THE PREMISES FOR TENANT'S EMPLOYEES, INVITEES AND AGENTS.

SECTION 15.18 ATTORNEYS' FEES. In the event of any legal action or proceeding
brought by either party against the other arising out of this Lease, the
prevailing party shall be entitled to recover reasonable attorneys' fees and
costs incurred in such action (including, without limitation, all costs of
appeal) and such amount shall be included in any judgment rendered in such
proceeding.

SECTION 15.19 NO LIGHT, AIR OR VIEW EASEMENT. Any diminution or shutting off of
light, air or view by any structure which may be erected on the Property or
lands adjacent to the Property shall in no way affect this Lease or impose any
liability on Landlord (even if Landlord is the adjacent land owner).

SECTION 15.20 RELOCATION.

                                       22
<PAGE>
SECTION 15.21 SURVIVAL OF INDEMNITIES. Each indemnity agreement and hold
harmless agreement contained herein shall survive the expiration or termination
of this Lease.

SECTION 15.22 ENTIRE AGREEMENT. This Lease contains all of the agreements of
the parties hereto with respect to any matter covered or mentioned in this
Lease and no prior agreement, understanding or representation pertaining to any
such matter shall be effective for any purpose. No provision of this Lease may
be amended or added to except by an agreement in writing signed by the parties
hereto or their respective successors in interest.

     IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Lease, as of the date first written in this Lease.

<Table>
<S>                                      <C>
For purposes of Section 13.5(e)         LANDLORD
only, Landlord's attorney and
Tenant's attorney have executed         Blue Lake Partners, Ltd., a Texas limited partnership
this Lease:

                                        By: Granite Properties, Inc., a general partner
---------------------------------
                                        By: /s/ JAMES H. KIRCHHOFF
                                           ---------------------------------
                                        Name:  James H. Kirchhoff
                                             -------------------------------
Attorney for Landlord                   Title: Vice President
                                              ------------------------------

                                        TENANT

                                        McAfee Associates, Inc., a Delaware Corporation
                                        ---------------------------------------------------

/s/ KENT H. ROBERTS                     By:  /s/ PRABHAT K. GOYAL
---------------------------------          ---------------------------------
Attorney for Tenant                     Name: Prabhat K. Goyal
                                             -------------------------------
                                        Title:    CFO
                                              ------------------------------
</Table>

<PAGE>
                                   EXHIBIT A
                                  THE PREMISES

                                   [GRAPHIC]

<PAGE>
                                   EXHIBIT A
                                  THE PREMISES

                                   [GRAPHIC]
<PAGE>
                                  EXHIBIT "B"

BEING a tract of land, situated in the Noah Good Survey, Abstract No. 520 band
being all of Lot 1, Block C of The Centre, an addition to the City of Farmers
Branch, Texas, as recorded in Volume 79206, Page 0358 of the Deed Records for
all of Dallas County, Texas, and being more particularly described as follows:

BEGINNING at a point in the West line of Greenview Boulevard (a 74' R.O.W.),
said point being South 381.52 feet from the most Westerly corner clip of the
South line of Alpha Road, (an 80' R.O.W.);

THENCE South along the said West line of Greenview Boulevard, a distance of
484.00 feet to a point for corner;

THENCE 45 00'00" W, a distance of 14.14 feet to a point in the North line of
McEwen Road (a 60' R.O.W.);

THENCE West along the said north line of McEwen Road, a distance of 472.03 feet
to the beginning of a curve to the left having a central angle of 53 07'00" and
a radius of 202.50 feet;

THENCE along said curve in a Southwesterly direction, a distance of 181.73 feet
to a point for corner in the said North line of McEwen Road;

THENCE North, a distance of 574.96 feet to a point for corner;

THENCE East a distance of 444.00 feet to the PLACE OF BEGINNING and containing
224,020 square feet or 5.1248 acres of land, more or less.

                                  Page 1 of 2
<PAGE>
                                  EXHIBIT B-1

                           PROJECT LEGAL DESCRIPTION

                                   [GRAPHIC]

                                   THE CENTRE
                            Office Park Development
                             Farmers Branch, Texas
<PAGE>
                                   EXHIBIT C

                           RENTABLE AREA CALCULATIONS

     The rentable area of The Premises is The Agreed Rentable Area of The
Premises set forth in Item 2b of the Basic Lease Provisions. Rentable areas
shown in The Basic Lease Provisions and The Riders which are a apart of This
Lease are agreed to be as shown regardless of minor variations resulting from
actual construction. All other rentable area calculations shall be calculated
in accordance with The remaining provisions of This Exhibit C.

The term "Rentable Area" as used in the lease shall mean:

     (a) As to each floor in the Building in which the Premises are located and
on where the entire space rentable to tenants is or will be leased to one
tenant (hereinafter referred to as "Single Tenant Floor"), Rentable Area shall
be: (i) the entire area bounded by the inside surface of the four exterior
glass walls (or the inside surface of the permanent exterior wall where there
is no glass) on such floor, including all areas used for elevator lobbies,
corridors, special stairways, elevators, restrooms, mechanical rooms,
electrical rooms and telephone closets without deduction for columns and other
structural portions of the Building or vertical Penetrations that are included
for the special use of Tenant but excluding the area contained within the
exterior walls of the Building stairs, fire towers, vertical ducts, elevator
shafts, flues, vents stacks and pipe shafts, plus (ii) a prorata portion of the
area covered by the elevator lobbies, corridors, restrooms, mechanical rooms
and telephone closets in the Building not located on the Single Tenant Floor
but for such Tenant's use and/or benefit.

     (b) As to each floor of the Building in which the Premises are located and
on which space is or will be leased to more than one tenant (hereinafter
referred to as "Multi-Tenant Floor"), Rentable Area attributable to each such
lease shall be the total of (i) Usable Area defined as the entire area included
within the Premises covered by such lease, being the area bounded by the inside
surface of any exterior glass walls (or the inside surface of the permanent
exterior wall where there is no glass) of the Building bounding such Premises,
the exterior of all walls separating such Premises from any public corridors or
other public areas on such floor and the centerline of all walls separating such
Premises from other areas leased or to be leased to other tenants on such floor,
and (ii) a prorata portion of the area covered by the elevator lobbies,
corridors, restrooms, mechanical rooms, electrical rooms and telephone closets
in the building.

     (c) For purposes of establishing the Tenant's proportionate share based on
the Percentage of Rentable Areas of the Premises to the Rentable Area of the
Building, the Rentable Area of the Premises and Rentable Area of the Building
are deemed to be as set forth in this provision.

                                       24
<PAGE>
                                   EXHIBIT D

                                  WORK LETTER
                       PLANS AGREED UPON/FINISH ALLOWANCE

Blue Lake Partners, Ltd., a Texas limited partnership ("Landlord"), and McAfee
Associates, Inc., a Delaware Corporation ("Tenant") have entered into that
certain Lease Agreement dated Nov. 14, 1996 (the "Lease") for the lease of
certain space in the office building located at 4099 McEwen Road in Dallas,
Texas (the "Building"). Pursuant to subsection 1.201 of the Supplemental Lease
Provisions, Landlord and Tenant are entering into this Work Letter (this
"Agreement"). Any capitalized term not defined herein shall have the meaning
assigned to it in the Supplemental Lease Provisions. Landlord and Tenant
mutually agree as follows:

1.   Plans.

1.1  Approved Plans. Landlord and Tenant have agreed that the Premises will be
improved in accordance with the plans and specifications (or description
thereof) approved and initialed by Landlord and Tenant (the "Construction Plans"
and all improvements required thereby, "Tenant's Improvements"). Tenant
represents to Landlord that Tenant has furnished to Landlord and the party
preparing the Construction Plans all information necessary such that (following
construction of Tenant's Improvements in accordance with the Construction Plans)
Tenant, the Premises and Tenant's Improvements will be in compliance with the
Disability Acts. Tenant shall indemnify and hold harmless Landlord from and
against any and all claims, liabilities and expenses (including, without
limitation reasonable attorneys' fees and expenses) incurred by or asserted
against Landlord by reason of or in connection with any violation of the
Disability Acts by Tenant and/or Tenant's Improvements. The foregoing indemnity
shall not include any claims, liabilities or expenses (including reasonable
attorneys' fees and expenses) arising out of the negligence or gross negligence
of Landlord or Landlord's employees, agents or contractors.

1.2  Changes to Approved Plans. If any re-drawing or re-drafting of either the
Space Plan or the Construction Plans is necessitated by Tenant's requested
changes (all of which shall be subject to Landlord's approval), the expense of
any such re-drawing or re-drafting required in connection therewith and the
expense of any work and improvements necessitated by such re-drawing or
redrafting will be charged to Tenant.

1.3  Coordination of Planners and Designers. If Tenant shall arrange for
interior design services, whether with Landlord's space planner or any other
planner or designer, it shall be Tenant's responsibility to cause necessary
coordination of its agents' efforts with Landlord's agents to ensure that no
delays are caused to either the planning or construction of the Tenant's
Improvements.

2.   Construction and Cost of Tenant's Improvements.

2.1  Construction Obligation and Finish Allowance. Landlord agrees to construct,
BASED UPON THE LOWEST OF FIVE (5) COMPETITIVE BIDS FOR SUCH WORK, Tenant's
Improvements, at Tenant's cost and expense; provided, however, Landlord shall
provide Tenant with an allowance up to $7.00 PER SQUARE FOOT OF THE AGREED
RENTABLE AREA (the "Finish Allowance"), which allowance shall be disbursed by
Landlord, from time to time, for payment of (in the following priority) (i) the
contract sum required to be paid to the general contractor engaged to construct
Tenant's Improvements (the "Contract Sum"), (ii) the fees of the preparer of the
Construction Plans and (iii) payment of the Construction Management Fee
(hereinafter defined). Upon completion of Tenant's Improvements and in
consideration of Landlord administering the construction of Tenant's
Improvements, Tenant agrees to pay Landlord a fee equal to five percent (5%) of
the Contract Sum to construct Tenant's Improvements (the "Construction
Management Fee") (the foregoing costs are collectively referred to as the
"Permitted Costs").

2.2  Excess Costs. If the sum of the Permitted Costs exceeds the Finish
Allowance, then Tenant shall pay all such excess costs ("Excess Costs"),
provided, however, Landlord will, prior to the commencement of construction of
Tenant's Improvements, advise Tenant of the Excess Costs, if any, and the
Contract Sum. Tenant shall have two (2) business days from and after the receipt
of such advice within which to approve or disapprove the Contract Sum and Excess
Costs. If Tenant fails to approve same by the expiration of the second such
business day, then Tenant shall be deemed to have approved the Proposed Contract
Sum and Excess Costs. If Tenant disapproves the Contract Sum and Excess Costs
within such two (2) business day period, then Tenant shall either reduce the
scope of Tenant's Improvements such that there shall be no Excess Costs or, at
Tenant's option, Landlord shall obtain two (2) additional bids, provided that
each day beyond such two (2) business day period and until the rebid is accepted
by Tenant shall constitute a Tenant Delay hereunder. Subject to the last
sentence of this subsection, the foregoing process shall continue until a
Contract Sum and resulting Excess Costs if any, are accepted or deemed accepted
by Tenant. Landlord and Tenant must approve (or be deemed to have approved the
Contract Sum for the construction of Tenant's Improvements in writing prior to
the commencement of construction. If Tenant fails to accept a Contract Sum by
November 25, 1996, Landlord shall have the right to terminate this Lease.

2.3  Liens Arising from Excess Costs. Tenant agrees to keep the Premises free
from any liens arising out of nonpayment of Excess Costs. In the event that any
such lien is filed and Tenant, within ten (10) days following such

                                       25

<PAGE>
filing fails to cause same to be released of record by payment or posting of a
proper bond, Landlord shall have, in addition to all other remedies provided
herein and by law, the right, but not the obligation, to cause the same to be
released by such means as it in its sole discretion deems proper, including
payment of or defense against the claim giving rise to such lien. All sums paid
by Landlord in connection therewith shall constitute Rent under the Lease and a
demand obligation of Tenant to Landlord and such obligation shall bear interest
at the rate provided for in Section 15.10 of the Supplemental Lease Provisions
from the date of payment by Landlord until the date paid by Tenant.

2.4  Construction Deposit. Tenant shall remit to Landlord an amount (the
"Prepayment") equal to the projected Excess Costs, if any, within five (5)
working days after commencement of construction by Landlord. On or prior to
the Commencement Date, Tenant shall deliver to Landlord the actual Excess
Costs, minus the Prepayment previously paid. Failure by Tenant to timely tender
to Landlord the full Prepayment shall permit Landlord to stop all work until
the Prepayment is received. All sums due Landlord under this Section 2.4 shall
be considered Rent under the terms of the Lease and nonpayment shall constitute
a default under the Lease and entitle Landlord to any and all remedies
specified in the Lease.

3.  Delays. Delays in the completion of construction of Tenant's Improvements
or in obtaining a certificate of occupancy, if required by the applicable
governmental authority, caused by Tenant, Tenant's Contractors (hereinafter
defined) or any person, firm or corporation employed by Tenant or Tenant's
Contractors shall constitute "Tenant Delays". In the event that Tenant's
Improvements are not Substantially Complete by the Commencement Date referenced
in Item 8 of the Basic Lease Provisions, then the Commencement Date referenced
in Item 8 shall be amended to be the Adjusted Substantial Completion Date
(hereinafter defined) and the Expiration Date referenced in Item 9 of the Basic
Lease Provisions shall be adjusted forward by the same number of days as is
the Commencement Date, so that the term of the Lease will be the term set
forth in Item 7 of the Basic Lease Provisions. The Adjusted Substantial
Completion Date shall be the date Tenant's Improvements are Substantially
Complete, adjusted backward, however, by one day for each day of Tenant Delays,
if any. The foregoing adjustments in the Commencement Date and the Expiration
Date shall be Tenant's sole and exclusive remedy in the event Tenant's
Improvements are not Substantially Complete by the initial Commencement Date
set forth in Item 8 of the Basic Lease Provisions.

4.  Substantial Completion and Punch List. The terms "Substantial Completion"
and "Substantially Complete," as applicable, shall mean when Tenant's
Improvements are completed in accordance with the Construction Plans subject
only to monitor items ("Punch List Items") which may be completed in a manner so
that Tenant can reasonably use the Premises for the Permitted Use (as described
in Item 12 of the Basic Lease Provisions) without material interruption. When
Landlord considers Tenant's Improvements to be Substantially Complete, Landlord
will notify Tenant and within two (2) business days thereafter, Landlord's
representative and Tenant's representative shall conduct a walk-through of the
Premises and identify any necessary touch-up work repairs and minor completion
items as are necessary for final completion of Tenant's Improvements. Neither
Landlord's representative nor Tenant's representative shall unreasonably
withhold his agreement on punch list items. Landlord will use reasonable efforts
to cause the contractor to complete all punch list items within thirty (30) days
after agreement thereon.

5.  Tenant's Contractors. If Tenant should desire to enter the Premises or
authorize its agent to do so prior to the Commencement Date of the Lease, to
perform approved work not requested of the Landlord, Landlord shall permit such
entry if:

     (a)    Tenant shall use only such contractors which Landlord shall approve
            in its reasonable discretion and Landlord shall have approved the
            plans to be utilized by Tenant, which approval will not be
            unreasonably withheld or delayed; and

     (b)    Tenant, its contractors, workmen, mechanics, engineers, space
            planners or such others as may enter the Premises (collectively,
            "Tenant's Contractors"), work in harmony with and do not in any way
            disturb or interfere with Landlord's space planners, architects,
            engineers, contractors, workmen, mechanics or other agents or
            independent contractors in the performance of their work
            (collectively, "Landlord's Contractors"), it being understood and
            agreed that if entry of Tenant or Tenant's Contractors would cause,
            has caused or is causing a material disturbance to Landlord or
            Landlord's Contractors, then Landlord may, with notice, refuse
            admittance to Tenant or Tenant's Contractors causing such
            disturbance; and

     (c)    Tenant (notwithstanding the first sentence of subsection 7.201 of
            the Supplemental Lease Provisions), Tenant's Contractors and other
            agents shall provide landlord sufficient evidence that each is
            covered under such Worker's Compensation, public liability and
            property damage insurance as Landlord may reasonably request for its
            protection.

Landlord shall not be liable for any injury, loss or damage to any of Tenant's
installations or decorations made prior to the Commencement Date and not
installed by Landlord or Landlord's contractors. Tenant shall indemnify and
hold harmless Landlord and Landlord's Contractors from and against any and all
costs, expenses, claims, liabilities and causes of action arising out of or in
connection with work performed in the Premises by or on behalf of Tenant (but
excluding work performed by Landlord or Landlord's Contractors). Landlord is not
responsible for the function and maintenance of improvements, equipment,
cabinets or fixtures not installed by Landlord. Such entry by Tenant and
Tenant's Contractors pursuant to this Section 5 shall be deemed to be under all
of the terms, covenants, provisions and

                                       26
<PAGE>
conditions of the Lease except the covenant to pay Rent.

6.  Construction Representatives. Landlord's and Tenant's representatives for
coordination of construction and approval of change orders will be as follows,
provided that either party may change its representative upon written notice to
the other:

LANDLORD'S REPRESENTATIVE:

     NAME           Dennis Kelly or Jim Barron
     ADDRESS        4099 McEwen, Suite 370
                    Dallas, Texas 75244
     PHONE          (972) 386-6810

TENANT'S REPRESENTATIVE:

     NAME           Bill Beecher                  Copies To:
     ADDRESS        5944 Luther Lane              Evan Collins
                    Dallas, Texas 75225           2710 Walsh Avenue
     PHONE          361-1014                      Santa Clara, CA
                                                  408-653-3140

                                                  Kent Roberts
                                                  500 Hampton Court
                                                  4311 Oak Lawn Avenue
                                                  Dallas, Texas 75219

     IN WITNESS WHEREOF, the parties hereto have executed and delivered this
Agreement simultaneously with the execution and delivery of the Lease.

                              LANDLORD

                              Blue Lake Partners, Ltd., a Texas limited
                              partnership

                              By: Granite Properties, Inc., general partner

                              By: /s/ JAMES H. KIRCHHOFF
                                  -----------------------------------------

                              Name: James H. Kirchhoff
                                    ---------------------------------------

                              Title: Vice President
                                     --------------------------------------

                              TENANT

                              McAfee Associates, Inc., a Delaware Corporation

                              By: /s/ PRABHAT K. GOYAL
                                  -----------------------------------------

                              Name: Prabhat K. Goyal
                                    ---------------------------------------

                              Title: CFO
                                     --------------------------------------

                                       27

<PAGE>
                                   EXHIBIT E

                       ACCEPTANCE OF PREMISES MEMORANDUM

This Acceptance of Premises Memorandum is being executed pursuant to that
certain Lease Agreement (the "Lease") dated the ____ day of __________, 19__
between Blue Lake Partners, Ltd., a Texas limited partnership and McAfee
Associates, Inc., a Delaware Corporation ("Tenant"), pursuant to which Landlord
leased to Tenant and Tenant leased from Landlord certain space in the office
building located at 4099 McEwen Road in Dallas, Texas (the "Building").
Landlord and Tenant hereby agree that:

1.   Except for the Punch List Items (as shown on the attached Punch List).
     Landlord has fully completed the construction work required under the terms
     of the Lease and the Work Letter attached thereto.

2.   The Premises are tenantable, Landlord has no further obligation for
     construction (except with respect to Punch List Items) and Tenant
     acknowledges that the Building, the Premises and Tenant's Improvements are
     satisfactory in all respects, except for the Punch List Items and are
     suitable for the permitted Use.

3.   The Commencement Date of the Lease is the ____ day of __________, 19__. If
     the date set forth in Item 8 of the Basic Lease Provisions is different
     than the date set forth in the preceding sentence, then Item 8 of the Basic
     Lease Provisions is hereby amended to be the Commencement Date set forth in
     the preceding sentence.

4.   The Expiration Date of the Lease is the ____ day of __________, 19__. If
     the date set forth in Item 9 of the Basic Lease Provisions is different
     than the date set forth in the preceding sentence, then Item 9 of the Basic
     Lease Provisions is hereby amended to be the Expiration Date set forth in
     the preceding sentence.

5.   Tenant acknowledges receipt of the current Rules and Regulations for the
     Building.

6.   Tenant represents to Landlord that Tenant has obtained a Certificate of
     Occupancy covering the Premises.

7.   All capitalized terms not defined herein shall have the meaning assigned to
     them in the Lease.

Agreed and Executed this ____ day of ____________, 19___.

                         LANDLORD

                         Blue Lake Partners, Ltd., a Texas limited partnership

                         By:  Granite Properties, Inc., general partner

                         By:
                            ----------------------------
                              James H. Kirchhoff
                            ----------------------------
                              Vice President
                            ----------------------------

                         TENANT

                          McAfee, Inc., a California Corporation
                         ------------------------------------------

                         By: /s/ PRABHAT K. GOYAL
                            ---------------------------------------
                         Name: Prabhat K. Goyal
                              -------------------------------------
                         Title:   CFO
                               ------------------------------------

                                       28

<PAGE>
                                  RIDER NO. 1
                         BUILDING RULES AND REGULATIONS

1.   The operating hours for the Building shall be as follows:

          (A)  Mondays - Fridays (except State and Federal holidays)
               7:00 A.M. - 7:00 P.M.

          (B)  Saturdays - 7:00 A.M. - 1:00 P.M.

          Landlord agrees to furnish to Tenant two (2) suite keys and two (2)
          after-hour building keys without charge. Additional keys will be
          furnished at a nominal charge.

2.   Tenant will refer all contractors, contractor's representatives and
     installation technicians rendering any service on or to the Premises for
     Tenant to Landlord for Landlord's approval and supervision before
     performance of any contractual service. This provision shall apply to all
     work performed in the Building including installation of telephones,
     telegraph equipment, electrical devices and attachments and installations
     of any nature affecting floors, walls, woodwork, trim, windows, ceilings
     equipment or any other physical portion of the Building.

3.   No Tenant shall at any time occupy any part of the Building as sleeping or
     lodging quarters.

4.   Tenant shall not place, install or operate on Premises or in any part of
     the Building any engine, stove or machinery or conduct mechanical
     operations or cook thereon or therein, or place or use in or about
     Premises any explosives, gasoline, kerosene, oil, acids, caustics, or any
     other inflammable, explosive, or hazardous material without prior written
     consent of Landlord.

5.   Landlord will not be responsible for lost or stolen personal property,
     equipment, money or jewelry from Tenant's area or public rooms regardless
     of whether such loss occurs when area is locked against entry or not.

6.   No birds, fowl, dogs, animals or pets of any kind shall be brought into or
     kept in or about the Premises.

7.   Landlord will not permit entrance to Tenant's offices by use of pass key
     controlled by Landlord to any person at any time without permission by
     Tenant, except employees, contractors, or service personnel directly
     supervised by Landlord.

8.   None of the entries, passages, doors, hallways or stairways shall be
     blocked or obstructed, or any rubbish, litter, trash or material of any
     nature placed, emptied or thrown into these areas, nor shall such areas be
     used at any time except for ingress or egress by Tenant, Tenant's agents,
     employees or invitees.

9.   The water closets, restrooms and other water fixtures shall not be used for
     any purpose other than those for which they were constructed. No person
     shall waste water by interfering with the faucets or otherwise.

10.  No person shall disturb the occupants of the Building by the use of any
     musical instruments, the making of noxious odors or mucous noises, or
     other unreasonable use.

11.  Nothing shall be thrown out of the windows of the Building or down the
     stairways or other passages.

12.  Tenant shall not store any materials, equipment, products, by-products,
     rubbish, refuse, etc., outside the Premises.

13.  Tenant shall comply with all local and federal codes and ordinances.

14.  Tenant and its agents, employees and invitees shall observe and comply
     with the driving and parking signs and markers on the Building grounds and
     surrounding areas.

15.  Corridor and passage doors, when not in use, shall be kept closed.

16.  All deliveries of other than hand-carried items must be made via the
     service entrances and service elevators. Any deliveries of an abnormally
     large, bulky or voluminous nature, such as furniture, office machinery,
     file cabinets, etc., can only be made after obtaining approval from
     Landlord and at those times specified by Landlord, before 7:30 A.M. and
     after 5:30 P.M. on weekdays or on Saturday or Sunday. A certificate of
     insurance from the moving company showing that the movers have workman's
     compensation and have named the building owner as additionally insured
     must be delivered to the management office 24 hours prior to the delivery.

17.  The common areas of the Building including lobbies, corridors, stairwells,
     and restrooms are currently designated as non-smoking.

18.  The complex currently employs a 24-hour a day, seven day a week courtesy
     patrol and Landlord agrees to provide such service in such a manner as is
     customary in buildings of comparable size, quality and in the general
     vicinity of the complex.

                                       29

<PAGE>

                                  RIDER NO. 2

                                 RENEWAL OPTION

1.   If, and only if, on the Expiration Date and the date Tenant notifies
     Landlord of its intention to renew the term of this Lease (as provided
     below), (i) Tenant is not in default under this Lease, (ii) Tenant then
     occupies and the Premises then consist of at least all the original
     Premises and (iii) this Lease is in full force and effect, then Tenant, but
     not any assignee or subtenant of Tenant, shall have and may exercise an
     option to renew this Lease for one (1) additional term of five (5) years
     (the "Renewal Term") upon the same terms and conditions contained in this
     Lease with the exceptions that (x) this Lease shall not be further
     available for renewal and (y) the rental for the Renewal Term shall be the
     "Renewal Rental Rate", but in no event will the Base Annual Rent be less
     than the Base Annual Rent for the last twelve (12) calendar months of the
     initial term of the Lease. The Renewal Rental Rate is hereby defined to
     mean the then prevailing rents (including, without limitation, those
     similar to the Basic Annual Rent and Additional Rent) payable by renewal
     tenants having a credit standing substantially similar to that of Tenant,
     for properties of equivalent quality, size, utility and location as the
     Premises, including any additions thereto, located within the area
     described below and leased for a renewal term approximately equal to the
     Renewal Term. The Renewal Rental Rate will take into consideration the
     tenant inducements offered in the renewal transactions considered by
     Landlord in determining the Renewal Rental Rate. THE TENANT'S OPERATING
     EXPENSE STOP AND TENANT'S REAL ESTATE TAXES STOP SHALL BE ADJUSTED TO BE
     THE ACTUAL SUCH EXPENSES FOR THE YEAR THE RENEWAL OCCURS.

2.   If Tenant desires to renew this Lease, Tenant must notify Landlord in
     writing of its intention to renew on or before the date which is at least
     six (6) months but no more than twelve (12) months prior to the Expiration
     Date. Landlord shall, within the next sixty (60) days, notify Tenant in
     writing of Landlord's determination of the Renewal Rental Rate and Tenant
     shall, within the next twenty (20) days following receipt of Landlord's
     determination of the Renewal Rental Rate, notify Landlord in writing of
     Tenant's acceptance or rejection of Landlord's determination of the Renewal
     Rental Rate. If Tenant timely notifies Landlord of Tenant's acceptance of
     Landlord's determination of the Renewal Rental Rate, this Lease shall be
     extended as provided herein and Landlord and Tenant shall enter into an
     amendment to this Lease to reflect the extension of the term and changes in
     Rent in accordance with this Rider. If (x) Tenant timely notifies Landlord
     in writing of Tenant's rejection of Landlord's determination of the Renewal
     Rental Rate or (y) Tenant does not notify Landlord in writing of Tenant's
     acceptance or rejection of Landlord's determination of the Renewal Rental
     Rate within such twenty (20) day period, this Lease shall end on the
     Expiration Date and Landlord shall have no further obligations or liability
     hereunder.

3.   The area with respect to which the Renewal Rental Rate will be determined
     is North Dallas/LBJ Corridor.

                                       30
<PAGE>
                                  RIDER NO. 3

                        TENANT'S RIGHT OF FIRST REFUSAL

Prior to leasing any of the area described on Schedule A attached to this Rider
("Right of First Refusal Space"), Landlord shall deliver to Tenant a written
statement ("Statement") which shall reflect Landlord's and the prospective
tenant's agreement with respect to rent, term, finish allowances, tenant
inducements and the description of the applicable Right of First Refusal Space.
Tenant shall have five (5) business days after receipt of the Statement within
which to notify Landlord in writing that it desires to lease the applicable
Right of First Refusal Space upon the terms and conditions contained in the
Statement. Failure by Tenant to notify Landlord within such five (5) business
day period shall be deemed an election by Tenant not to lease the applicable
Right of First Refusal Space at that time and Landlord shall have the right to
lease such space to the proposed tenant upon the terms and conditions contained
in the Statement. Should a lease not be consummated with the proposed tenants,
the aforementioned rights will remain in full force and effect.

Notwithstanding the above, Tenant's right of opportunity on the First Right of
Refusal Space will be subordinate to any and all existing renewal, expansion and
refusal rights of existing tenants.

Furthermore, Landlord shall have the right to renew, expand, or extend the lease
of any existing tenant in the Building without offering such premises to Tenant
pursuant to this Rider No. 3.

Landlord agrees to use its best efforts to provide Tenant with as much notice as
possible as it relates to non-renewing tenants.

                                       31
<PAGE>
                                  RIDER NO. 4

                       CAP ON CERTAIN OPERATING EXPENSES

For the purpose of determining Additional Rent, Permitted Capital Past Through
Costs and Operating Expenses (exclusive of the Non-Capped Operating Expenses, as
hereinafter defined) for any calendar year shall not be increased over the
amount of Operating Expenses (exclusive of Non-Capped Operating Expenses) during
the calendar year in which the term of this Lease commences by more than eight
percent (8%) per year on a cumulative basis, compounded annually. It is
understood and agreed that there shall be no cap on Non-Capped Operating
Expenses, which are hereby defined to mean all Utility Expenses, Real Estate
Taxes and Insurance Premiums.

                                       32
<PAGE>
                                  RIDER NO. 5

                                    SIGNAGE

At the point and time Tenant leases and occupies one third (1/3) of the building
or more, Landlord will grant Tenant the right, at Tenant's sole cost and
expense, to erect and install one (1) exterior Building type sign on the south
elevation of the Building in a location to be approved by Landlord. Landlord
reserves the right to approve style, type of construction, color, size and
location of the sign. Landlord's approval, shall be submitted to Tenant in
writing after receipt by Landlord of Tenant's request accompanied by drawings,
schematics and site location for said signage together with any applicable plans
and specifications for review. Installation shall be subject to: (i) Tenant's
receipt of all necessary governmental permits and approvals, (ii) Landlord's
written consent and (iii) supervision by Landlord of installation. Installation
shall include restoration of the Building's grounds and common areas and all
expenses associated with the same to be paid by Tenant.

Tenant agrees to remove any exterior building signage installed by Tenant at
Tenant's sole cost and expense when the Premises are vacated or the Lease Term
is terminated or otherwise cancelled and to restore the exterior of the Building
and Building grounds and common areas to their original condition.

                                       33
<PAGE>
                                  RIDER NO. 6

                       GENERAL JANITORIAL SPECIFICATIONS

Janitorial services are to be performed nightly Monday through Friday or Sunday
through Thursday, five (5) days per week. Services to be furnished shall
include, but not be limited to: all office areas, including service areas, all
restrooms (private and public), all stairways, all elevators and elevator
lobbies, all entrance walkways (plaza), truck loading/receiving area, active
storage/files areas and janitorial areas.

Areas not serviced are: Mechanical and electrical equipment rooms, mechanical
and maintenance shops (maintenance offices should be cleaned), elevator pits,
dead storage areas and garage areas. While areas listed in this paragraph are
not included in regular services, they will be swept, mopped or cleaned on
request and handled on a work order as special work.

I.   GENERAL CLEANING, FIVE DAYS PER WEEK:

     A.   All carpeting will be vacuumed and spot cleaned. Chair mats should be
          lifted and areas underneath vacuumed monthly.

     B.   Empty and clean all wastebaskets, sand urns and/or jardinieres,
          receptacles, ash trays, etc.; damp dust or wet wipe and polish as
          necessary. (Liners will be placed in receptacles and wastebaskets and
          replaced as needed.)

     C.   Remove all trash and wastepaper to designated collection points. Bag
          trash and non-bag trash will be placed in designated area and either
          removed nightly or placed in trash compactor (to be designated by
          manager).

     D.   All horizontal surfaces of desks, other furniture and file cabinets
          should be dusted with clean dry cloth as necessary. Personal items,
          papers, folders, etc. will not be moved in order to avoid
          misplacement or breakage. NOTE: Computer keyboards will not be dusted.

     E.   All chairs will be dusted and replaced around desks and conference
          tables.

     F.   Drinking fountains will be cleaned and disinfected, and all exposed
          metal shall be polished and kept free of foreign matter.

     G.   All interior doors and partition panels will be cleaned to remove
          smudge marks and dust.

     H.   All glass doors, windows around front and rear entrances and glass
          panels will be cleaned and polished.

     I.   All tenant's entrance doors, frames, glass and adjacent metal will be
          cleaned and polished. Partition glass will be spot cleaned to remove
          smudges and fingerprints.

     J.   Vacuum entrance mats nightly.

     K.   All thresholds shall be cleaned and polished nightly.

     L.   Wash and polish all restroom mirrors, powder shelves, bright work,
          dispensers, etc.

     M.   Clean and sanitize all restroom fixtures. Toilet, wash basins,
          urinals, shower walls, and floors to be kept free of scale and
          mildew. Wash and sanitize top and underside of toilet seats and
          benches.

     N.   Refill soap, towel, and tissue containers, and holders.

     O.   Wipe down toilet partitions and counters and walls around wash basins.

     P.   Mop all restroom and shower room floors.

     Q.   Mop hard surfaced floors.

     R.   Mop outside main lobby entrances.

     S.   Sweep outside loading dock truck area.

     T.   Dust mop and sweep loading dock and service elevator area.

                                  Page 1 of 4

<PAGE>
     U.   Wipe clean window sills.

     V.   Empty and sanitize all receptacles and sanitary disposals.

     W.   Clean building directory and remove fingerprints and smudges.

     X.   All counter tops of wet bar areas will be wiped down nightly and sinks
          will be cleaned if free of dishes.

     Y.   Blackboards and chalk trays will be cleaned as requested.

     Z.   Clean all lobby furniture, remove fingerprints and smudges from metal
          and glass trim on furniture.

     AA.  Sweep exterior porch access to buildings.

 II. GENERAL CLEANING - WEEKLY

     A.   Vacuum upholstery in executive areas.

     B.   Spray buff hard tile floors.

     C.   Machine scrub, wash, buff all resilient tile, and concrete floors.

     D.   Wash down with disinfectant all ceramic tile walls, toilet partitions,
          ledges and sills in restrooms.

     E.   Wash all door glass and sidelights.

     F.   Paneled walls will be dusted with a clean dry cloth.

     G.   Loading dock will be hosed down and cleaned of all foreign matter.

     H.   Sweep and dust service elevator lobbies.

III. GENERAL CLEANING - MONTHLY

     A.   Dust all cabinets, files, chairs, chair rails, paneling, sills, trim
          and baseboards.

     B.   Dust pictures, frames and picture glass.

     C.   Dust exterior of lighting fixtures and air conditioning grills.

     D.   Venetian blinds are to be dusted or vacuumed.

     E.   Remove high cobwebs from all entry areas.

  V. GENERAL CLEANING - QUARTERLY.

     A.   Dust and spot clean where necessary all vertical surfaces such as
          walls, partitions, ventilating louvers, and other surfaces not reached
          in nightly or monthly cleaning.

     B.   High dust (ladder required) all shelves, cabinets and other objects in
          tenant offices.

     C.   Vacuum upholstery and draperies.

     D.   Wash desk floor mats if necessary.

     ELEVATOR CLEANING

     A.   Elevator carpet will be vacuumed daily, spot cleaned as required, and
          shampooed monthly.

     B.   Exterior doors and trim will be dusted and fingerprint and smudges
          removed daily.

     C.   Thresholds will be cleaned and polished as needed.

     D.   Fingerprints and smudges will be removed daily from the interior metal
          doors and panels.

     E.   Ceiling will be dusted monthly.

     F.   Elevator thresholds will be brushed clean and polished daily.

     G.   Service elevator will be cleaned daily, after cleaning personnel have
          completed their work.

                                  Page 2 of 4

<PAGE>
 VI. FLOOR CLEANING

     A.   Hard Surface (granite included)

          1.   Common areas: Sweep, wet mop nightly and spray buff nightly,
               scrub and refinish monthly and strip and refinish semi-annually.

          2.   Tenant areas: Dust mop and mop nightly, spray buff weekly, scrub
               and refinish monthly, strip and refinish quarterly.

          3.   Restroom floors: Strip and reseal monthly, keep grout clean at
               all times.

          4.   Scrub and polish door thresholds daily.

     B.   Concrete Floors

          1.   Dust mop nightly, damp mop weekly and scrub and seal quarterly.

          2.   Police building stairwells nightly, wet mop quarterly, scrub and
               seal annually.

     C.   Wood Floors

          1.   Dust mop daily.

          2.   Spot damp mop for spillage daily.

          3.   Wax and buff floors according to installers instruction.

     D.   Carpet Floors

          1.   Thorough nightly vacuuming.

          2.   Spot removal as required.

          3.   Common area carpet on multi-tenant floors will be shampooed
               quarterly.

     E.   Granite Floors

          1.   Wet mopped and buffed nightly.

          2.   Wash and scrub weekly.

          3.   Grout will be kept clean and free of spotting at all times.

     F.   Outside Sidewalks

          1.   Police and sweep as required.

          2.   Sweep and hose down monthly, per managers instructions.

VII. WINDOW CLEANING

          A.   The exterior surfaces of the building windows will be cleaned
               twice per year.

III. SPECIAL RULES AND REGULATIONS

          A.   No computer should ever be unplugged. If lamps, etc. are
               unplugged so outlet may be used for vacuuming, all unplugged
               items should be re-plugged and left as originally found.

          B.   Vending machines, refrigerators, microwave ovens, etc. in tenant
               spaces are not to be used by the cleaning crew. No eating is
               allowed in tenant space or common areas.

          C.   Telephones may not be used by cleaning crew, except by cleaning
               supervisor, who may use management office or security desk
               telephones for business or emergency calls only.

          D.   No radios or other personal property of tenants may be used by
               cleaning crew.

          E.   Cleaning crew will work behind closed doors when possible. All
               exterior suite doors will be closed and locked while cleaning is
               being performed.

          F.   Cleaning crew shall perform all work Monday through Friday or
               Sunday through Thursday commencing at 6:00 p.m. and completing no
               later than 7:00 am.

                                  Page 3 of 4

<PAGE>
          G.   Cleaning crew shall observe the same holidays observed by the
               building. Cleaning crew will work on holidays that the building
               is open for normal business.

          H.   Unless the Tenant is in the office, cleaning personnel will turn
               off all lights and lock all lockable tenant and common area doors
               when cleaning is complete.

     IX.  ADDITIONAL REQUIREMENTS

          A.   Specification Intent:  The outlined specifications for cleaning
               and related frequencies contained in this Exhibit are intended as
               a frame work for a janitorial contractor to provide the cleaning
               standards normally provided in a Building located in The Centre;
               and are not intended to be all inclusive. the contractor is
               expected to provide the manpower, supervision and equipment to
               produce these cleaning standards.

                                  Page 4 of 4

<PAGE>
                                  RIDER NO. 7

                                 RIGHT TO AUDIT

If a statement reflecting annual Operating Expenses is delivered to Tenant
pursuant to subsection 2.202 of the Supplemental Lease Provisions, Tenant shall
have the right to perform an annual audit at Tenant's expense on Landlord's
books and records to the extent necessary to verify Landlord's calculation of
actual Additional Rent for the prior calendar year, provided that such audit
shall be conducted by a certified Public accountant and further provided that
the auditor's report reflecting the results of such audit shall be promptly
delivered to Landlord. Any such audit shall be conducted, if at all, (i) within
ninety (90) days after the receipt of the annual statement of actual Additional
Rent from Landlord, (ii) during Landlord's normal business hours, (iii) at the
place where Landlord maintains its records (or such other place as Landlord
shall deliver the appropriate records) and (iv) only after Landlord has received
ten (10) days prior written notice. IF THE AUDIT REPORT REFLECTS AN OVERCHARGE
IN ADDITIONAL RENT OF MORE THAN FIVE PERCENT (5%), THEN LANDLORD SHALL REIMBURSE
TENANT FOR REASONABLE COSTS INCURRED BY TENANT FOR SUCH AUDIT. If the audit
report reflects that estimated Additional Rent was overcharged or undercharged
in the audited calendar year and provided Landlord agrees with such audit,
Tenant shall within twenty (20) days after receipt of such report pay to
Landlord the amount of any underpayment or, if applicable, Landlord shall allow
Tenant a credit against the next accruing installment of Additional Rent in the
amount of any overpayment

                                       34

<PAGE>
                                   RIDER H-1

                         (HAZARDOUS MATERIALS SURVEYS)
                          NO KNOWN HAZARDOUS MATERIALS

Landlord has heretofore engaged one or more independent contractors to perform
limited surveys at the Property to determine if hazardous materials exist on or
at the Property (whether one or more, the "Survey"). The scope of visual
inspection, testing and sampling performed in connection with the Survey is
set forth in the written report (whether one or more, the "Written Report")
submitted to Landlord by independent contractor(s) performing the Survey.
However, the Tenant is advised that neither extensive testing nor sampling of
any portion of the Property was performed in connection with the Survey of the
Property. A copy of each Written Report is on file in the Property Manager's
office and Tenant shall have the right to inspect each such report. Except as
expressly stated in the next following sentence, Landlord makes no
representations or warranties whatsoever (express or implied) to Tenant
regarding (x) the Survey (including, without limitation, the contents, accuracy
and/or scope thereof) or the Written Report or (y) the presence or absence of
hazardous or toxic materials or wastes in, at, or under the Premises or the
Property. Landlord is not aware of (i) any written reports or surveys
concerning the Building other than the Written Report and the Survey on file
with the Property Manager and (ii) any fact that makes the Written Report or
Survey inaccurate in any material respect. Tenant (a) shall not rely on and has
not relied on the Survey or the Written Report, the same having been provided
for informational purposes only and (b) acknowledges that Tenant has taken such
actions as Tenant deems appropriate to fairly evaluate the Premises and has
otherwise satisfied itself that the Premises are acceptable and suitable from
an environmental perspective WITHOUT LIMITING LANDLORD'S OBLIGATIONS UNDER THE
LEASE. Tenant shall furnish Landlord with a complete and legible copy of any
study, report, test, survey or investigation performed by or on behalf of
Tenant at any time involving the Premises and shall fully restore all areas and
improvements where samples were taken or work was performed and repair all
damage resulting from any of the same and shall indemnify and hold Landlord
harmless from any against all claims, actions, liabilities, damages, losses,
injuries or deaths in connection with or arising out of or from any inspection,
testing, sampling or similar or dissimilar activity conducted by or on behalf
of Tenant at or in the Premises or the Property for hazardous or toxic
materials or wastes.

                                       35

<PAGE>
                                   RIDER H-2

                 TENANT'S STUDY, TESTING AND INSPECTION RIGHTS

Prior to commencement of any tenant finish work to be performed by Landlord,
Tenant shall have the right to make such studies and investigations and conduct
such tests and surveys of the Premises from an environmental standpoint as
Tenant deems necessary or appropriate, subject to the condition that all such
studies and investigations shall be completed prior to the commencement of any
tenant finish work to be performed by Landlord. Tenant shall restore the
Premises and hold Landlord harmless from and indemnify Landlord against all
loss, damages and claims resulting from or relating to Tenant's studies, tests
and investigations. If such study, test, investigation or survey evidences
hazardous or toxic materials which effect the Premises, Tenant shall have the
right to terminate this Lease provided such right shall be exercised, if at all,
prior to the commencement of any tenant finish work to be performed by Landlord
and within five (5) days after Tenant receives the evidence of hazardous or
toxic materials. If Tenant does not exercise such right prior to commencement of
any such tenant finish work and within such five (5) day period, Tenant's right
to terminate this Lease shall be null and void and of no further force or
effect.

                                       36<PAGE>
                                                                   EXHIBIT 10.33

                                LEASE AGREEMENT

This document amends the Lease Agreement dated November 14, 1996 by and between
Blue Lake Partners, Ltd. ("Landlord"), and McAfee Software, Inc., a Delaware
Corporation ("Tenant"), successor under Assignment to McAfee Associates, Inc.,
for the Premises located at 4099 McEwen, Suites 500 & 700, Dallas, Texas 75244
as follows:

Basic Lease Provision No. 2 "Premises"

Effective January 1, 1998, pending the substantial completion of construction of
certain leasehold improvements, Tenant shall expand within the Building to Suite
620 containing 5,983 rentable square feet and as further defined and delineated
on the attached Exhibit "A-1", increasing the total leased Premises to 37,712
rentable square feet.

Basic Lease Provision No. 3 "Basic Rent"

Effective January 1, 1998, pending the substantial completion of construction of
certain leasehold improvements, Tenant's Basic Monthly Rent shall adjust as
follows:

<Table>
<Caption>
          Term                               Monthly Rent
          ----                               ------------
     <S>                                     <C>
     Jan. 1, 1998 thru Jan. 31, 2002          $49,583.85
     Feb. 1, 2002 thru Jan. 31, 2003          $54,211.00
</Table>

Basic Lease Provision No. 4 "Tenant's Pro Rate Share"

Effective January 1, 1998, pending the substantial completion of construction of
certain leasehold improvements, Tenant's proportionate share shall adjust to
30.47% for all purposes under the Lease.

Basic Lease Provision No.'s 5&6 "Operating Expense Stop"

Effective January 1, 1998, pending the substantial completion of construction of
certain leasehold improvement, the Expense Stop for the expansion space only
(suite #620-5, 983 rsf) shall be set at an amount equal to the sum of the actual
grossed up operating expenses for 1998, expressed as a function of 123,770
rentable square feet for the building.

Basic Lease Provision No. 7 "Term"

Effective January 1, 1998, pending the substantial completion of construction of
certain leasehold improvement, Tenant's Lease Term for the expansion suite 620
(5,983 rsf) shall be sixty-one (61) months for an expiration date of January 31,
2003. Additionally, the Lease Term on Tenant's existing space (31,729 rsf) shall
be extended twelve (12) months for a new expiration date of January 31, 2003.

Basic Lease Provision No. 10 "Security Deposit"

Effective January 1, 1998, pending the substantial completion of construction of
certain leasehold improvements, Tenant's Security Deposit shall increase to
$49,583.85.

<PAGE>
Basic Lease Provision No. 11 "Tenant's Broker"

Tenant represents and warrants that it has dealt with no Broker or Agent in
connection with the execution of this Lease Amendment, except as listed below,
and Tenant agrees to indemnify and hold harmless Landlord against all
liabilities and costs arising from a breach of such warranty including without
limitation attorney's fees in connection therewith:

By separate letter agreement between Landlord and The Stoneleigh Group.

Exhibit "D"

Exhibit D, Work Letter, Plans Agreed Upon/Finish Allowance, paragraph 2.1, shall
be amended such that Landlord shall provide an allowance up to $35,898 (The
"Finish Allowance"). Should tenant improvements be in excess of the Finish
Allowance, Landlord agrees to provide Tenant up to an additional $17,949 (The
"Additional Finish Allowance") above the previously stated Finish Allowance.
Tenant shall repay the Additional Finish Allowance by increasing the Basic Rent
due under the Amendment. The amount of the increase to the Basic Rent shall be
the same required to amortize the Additional Finish Allowance with simple
interest at eleven percent (11%) per annum over the term of the Amendment, in
equal monthly installments. Tenant acknowledges that Landlord has satisfactorily
completed all of Landlord's work and all tenant improvements called for by or
under all prior Exhibit "D" construction plans and specifications to the Lease
and any Amendments, and the only work to be performed by Landlord is under this
Amendment. Tenant Improvements shall be constructed in accordance with Exhibit
D. Tenant agrees to execute an Acceptance of Premises Memorandum upon
Substantial Completion as defined in Exhibit D.

Rider No. 5 "Signage"

Rider No. 5 shall be amended as follows:

Landlord hereby grants Tenant exterior building signage effective upon the full
execution of this Amendment, subject to the requirements and guidelines stated
in Rider No. 5 of the Lease Agreement.

Submission of this instrument for examination or signature by Tenant is not
effective until execution by and delivery to both Landlord and Tenant.

All other terms and conditions shall remain the same and in full force and
effect.
<PAGE>
EXECUTED the 24th day of November, 1997.

                         LANDLORD: Blue Lake Partners, Ltd.

                         By:  Granite Properties, Inc. Its General Partner

                         By: /s/ JAMES S. KIRCHHOFF
                            ----------------------------------------------
                             James H. Kirchhoff, Vice President

                         TENANT:  McAfee Software, Inc.
                                  (a Delaware Corporation)

                         By: /s/ SYDNEY McINTOSH
                            ----------------------------------------------
                              Sydney McIntosh, Secretary

<PAGE>
                                 Exhibit "A-1"

                                   [GRAPHIC]

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00031-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00031-of-00352.parquet"}]]