Document:

<PAGE>

                                                                    EXHIBIT 10.2

                               September 27, 2000

David Chazanovitz
31 Deerhaven Drive
Nashua, NH 03064

     Re:     Executive Management Severance Agreement

Dear David:

     Cambridge Heart, Inc. (the "Company") recognizes that, as is the case with
many publicly-held corporations, the possibility of a change in control of the
Company exists and that such possibility, and the uncertainty and questions it
may raise among key personnel, may result in the departure or distraction of key
personnel to the detriment of the Company and its stockholders. The Board of
Directors has determined that, while there are no current plans for the Company
to engage in a change of control transaction, appropriate steps be taken to
reinforce and encourage the continued employment and dedication of the Company's
key personnel without distraction from the possibility of a change of control
and related events and circumstances.

     Accordingly, the Company agrees as follows:

     1.   In the event that the Company terminates your employment without
Cause, then the following shall apply:

     o    You will continue to be paid your salary for twelve (12) months after
          termination at the rate in effect on the termination date.

     o    You will continue for twelve (12) months to be enrolled in the health
          insurance program you were enrolled in as of the termination date.

     o    The vesting of all stock options you hold as of the termination date
          will be accelerated as follows: the number of shares under all such
          options that would have become vested (i.e., exercisable) during the
          twelve (12) month period following the termination date shall become
          exercisable; you must exercise all options (including the accelerated
          portion) within the time periods set forth in your option agreement(s)
          and the applicable option plan.

<PAGE>

     2.   In the event that a Change in Control occurs, the following shall
apply:
          o    The vesting of all stock options you hold as of the Change in
               Control Date will be accelerated as follows: fifty percent (50%)
               of the number of shares under all such options that were not
               vested (i.e., exercisable) as of the Change in Control Date shall
               become exercisable as of the Change in Control Date; you must
               exercise all options (including the accelerated portion) within
               the time periods set forth in your options agreement(s) and the
               applicable option plan.

     3.   In the event that a Change in Control occurs and, within twelve (12)
months after the Change in Control Date, your employment (either with the
Company or the successor/acquirer) is terminated without Cause or you terminate
your employment for Good Reason, then the following shall apply:

     o    You will continue to be paid your salary for twelve (12) months after
          termination at the rate in effect on the termination date.

     o    You will continue for twelve (12) months to be enrolled in the health
          insurance program you were enrolled in as of the termination date.

     o    The vesting of all stock options you hold as of the Change in Control
          Date will be accelerated as follows: one hundred percent (100%) of the
          number of shares under all such options that were not vested (i.e.,
          exercisable) as of the termination date shall become exercisable as of
          the termination date; you must exercise all options (including the
          accelerated portion) within the time periods set forth in your options
          agreement(s) and the applicable option plan.

     All capitalized terms used in this letter agreement have the meanings set
forth in EXHIBIT A.

     This agreement supercedes all other agreements concerning severance.

                                                  Sincerely yours,

                                                  CAMBRIDGE HEART, INC.

                                                  /s/ Jeffrey M. Arnold
                                                  ---------------------------
                                                  Jeffrey M. Arnold
                                                  Chairman, President and CEO

AGREED:

/s/ David Chazanovitz
--------------------------
David Chazanovitz

                                       2
<PAGE>

                                    EXHIBIT A

     1.   "CHANGE IN CONTROL" means an event or occurrence set forth in any one
or more of subsections (a) through (c) below (including an event or occurrence
that constitutes a Change in Control under one of such subsections but is
specifically exempted from another such subsection):

         (a) the acquisition by an individual, entity or group (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act")) (a "Person") of beneficial ownership of any
capital stock of the Company if, after such acquisition, such Person
beneficially owns (within the meaning of Rule 13d-3 promulgated under the
Exchange Act) 50% or more of either (i) the then-outstanding shares of common
stock of the Company (the "Outstanding Company Common Stock") or (ii) the
combined voting power of the then-outstanding securities of the Company entitled
to vote generally in the election of directors (the "Outstanding Company Voting
Securities"); PROVIDED, however, that for purposes of this subsection (a), the
following acquisitions shall not constitute a Change in Control: (i) any
acquisition directly from the Company, (ii) any acquisition by the Company or
(iii) any acquisition by any employee benefit plan (or related trust) sponsored
or maintained by the Company or any corporation controlled by the Company; or

         (b) such time as the Continuing Directors (as defined below) do not
constitute a majority of the Board (or, if applicable, the Board of Directors of
a successor corporation to the Company), where the term "Continuing Director"
means at any date a member of the Board (i) who was a member of the Board on the
date of the execution of this Agreement or (ii) who was nominated or elected
subsequent to such date by at least a majority of the directors who were
Continuing Directors at the time of such nomination or election or whose
election to the Board was recommended or endorsed by at least a majority of the
directors who were Continuing Directors at the time of such nomination or
election; or

         (c) the consummation of a merger, consolidation, reorganization,
recapitalization or statutory share exchange involving the Company or a sale or
other disposition of all or substantially all of the assets of the Company (a
"Business Combination"), unless, immediately following such Business
Combination, all or substantially all of the individuals and entities who were
the beneficial owners of the Outstanding Company Common Stock and Outstanding
Company Voting Securities immediately prior to such Business Combination
beneficially own, directly or indirectly, more than 50% of the then-outstanding
shares of common stock and the combined voting power of the then-outstanding
securities entitled to vote generally in the election of directors,
respectively, of the resulting or acquiring corporation in such Business
Combination in substantially the same proportions as their ownership,
immediately prior to such Business Combination, of the Outstanding Company
Common Stock and Outstanding Company Voting Securities, respectively.

     2.   "CHANGE IN CONTROL DATE" means the first date on which a Change in
Control occurs.

                                       3
<PAGE>

     3.   "CAUSE" means:

         (a) the Employee's willful and continued failure to substantially
perform [his/her] reasonable assigned duties (other than any such failure
resulting from incapacity due to physical or mental illness or any failure
after the Employee gives notice of termination for Good Reason), which failure
is not cured within 30 days after a written demand for substantial performance
is received by the Employee from the Board of Directors of the Company which
specifically identifies the manner in which the Board of Directors believes the
Employee has not substantially performed the Employee's duties; or

         (b) the Employee's willful engagement in illegal conduct or gross
misconduct which is materially and demonstrably injurious to the Company.

     For purposes of this Section 3, no act or failure to act by the Employee
shall be considered "willful" unless it is done, or omitted to be done, in bad
faith and without reasonable belief that the Employee's action or omission was
in the best interests of the Company.

     4.   "GOOD REASON" means the occurrence, without the Employee's written
consent, of any of the events or circumstances set forth in clauses (a) through
(d) below. Notwithstanding the occurrence of any such event or circumstance,
such occurrence shall not be deemed to constitute Good Reason if, prior to the
notice of termination given by the Employee in respect thereof, such event or
circumstance has been fully corrected and the Employee has been reasonably
compensated for any losses or damages resulting therefrom (provided that such
right of correction by the Company shall only apply to the first notice of
termination for Good Reason given by the Employee).

         (a) the assignment to the Employee of duties inconsistent in any
material respect with the Employee's position (including status, offices, titles
and reporting requirements), authority or responsibilities in effect immediately
prior to the earliest to occur of (i) the Change in Control Date, (ii) the date
of the execution by the Company of the initial written agreement or instrument
providing for the Change in Control or (iii) the date of the adoption by the
Board of Directors of a resolution providing for the Change in Control (with the
earliest to occur of such dates referred to herein as the "Measurement Date"),
or any other action or omission by the Company which results in a diminution in
such position, authority or responsibilities;

         (b) a reduction in the Employee's annual base salary as in effect on
the Measurement Date or as the same was or may be increased from time to time;

         (c) the failure by the Company to (i) continue in effect any material
compensation or benefit plan or program (including without limitation any life
insurance, medical, health and accident or disability plan and any vacation
program or policy) (a "Benefit Plan") in which the Employee participates or
which is applicable to the Employee immediately prior to the Measurement Date,
unless an equitable arrangement (embodied in an ongoing substitute or
alternative plan) has been made with respect to such plan or program, (ii)
continue the Employee's participation therein (or in such substitute or
alternative plan) on a basis not materially less favorable, both in terms of the
amount of benefits provided and the level of the Employee's participation
relative to other participants, than the basis existing immediately prior to the
Measurement Date or (iii) award cash bonuses to the Employee in amounts and in a
manner substantially consistent with past practice in light of the Company's
financial performance;

         (D) any failure of the Company to pay or provide to the Employee any
portion

                                       4
<PAGE>

of the Employee's compensation or benefits due under any Benefit Plan within
seven days of the date such compensation or benefits are due, or any material
breach by the Company of any employment agreement with the Employee.

                                       5<PAGE>

                               555 TWELFTH STREET

                                  OFFICE LEASE

                            OAKLAND CITY CENTER LLC,
                      a Delaware limited liability company,
                                    Landlord

                                       and

                                ASK JEEVES, INC.,
                            a Delaware corporation,,
                                     Tenant

                           DATED AS OF: May ___, 2000
<TABLE>
<CAPTION>

                                TABLE OF CONTENTS

Paragraph                                                                                                      Page
---------                                                                                                      ----

       <S>    <C>                                                                                                <C>
       1.     Premises............................................................................................1
       2.     Certain Basic Lease Terms...........................................................................1
       3.     Term; Delivery of Possession of Premises............................................................3
       4.     Tenant Improvements.................................................................................4
       5.     Monthly Rent........................................................................................9
       6.     Letter of Credit....................................................................................9
       7.     Additional Rent: Increases in Operating Expenses and Tax Expenses..................................10
       8.     Use of Premises; Compliance with Law...............................................................13
       9.     Alterations and Restoration........................................................................15
       10.    Repair.............................................................................................15
       11.    Abandonment........................................................................................16
       12.    Liens..............................................................................................16
       13.    Assignment and Subletting..........................................................................16
       14.    Indemnification of Landlord........................................................................19
       15.    Insurance..........................................................................................20
       16.    Mutual Waiver of Subrogation Rights................................................................21
       17.    Utilities..........................................................................................21
       18.    Personal Property and Other Taxes..................................................................23
       19.    Rules and Regulations..............................................................................23
       20.    Surrender; Holding Over............................................................................23
       21.    Subordination and Attornment.......................................................................24
       22.    Financing Condition................................................................................24
       23.    Entry by Landlord..................................................................................24
       24.    Insolvency or Bankruptcy...........................................................................24
       25.    Default and Remedies...............................................................................25
       26.    Damage or Destruction..............................................................................27
       27.    Eminent Domain.....................................................................................28
       28.    Landlord's Liability; Sale of Building.............................................................28
       29.    Estoppel Certificates..............................................................................29
       30.    Right of Landlord to Perform.......................................................................29
       31.    Late Charge........................................................................................29
       32.    Attorneys' Fees; Waiver of Jury Trial..............................................................29
       33.    Waiver.............................................................................................30
       34.    Notices............................................................................................30
       35.    Deleted............................................................................................30
       36.    Defined Terms and Marginal Headings................................................................30
       37.    Time and Applicable Law............................................................................30
       38.    Successors.........................................................................................30
       39.    Entire Agreement; Modifications....................................................................30
       40.    Light and Air......................................................................................31
       41.    Name of Building...................................................................................31
       42.    Severability.......................................................................................31
       43.    Authority..........................................................................................31
       44.    No Offer...........................................................................................31
       45.    Real Estate Brokers................................................................................31
       46.    Consents and Approvals.............................................................................31
       47.    Reserved Rights....................................................................................31
       48.    Financial Statements...............................................................................32

</TABLE>
<PAGE>

<TABLE>

       <S>    <C>                                                                                                <C>
       49.    Signage; Directories...............................................................................32
       50.    Nondisclosure of Lease Terms.......................................................................33
       51.    Hazardous Substance Disclosure.....................................................................33
       52.    Parking............................................................................................34
       53.    Rights to Terminate This Lease.....................................................................34
       54.    Tenant's Option to Renew...........................................................................35
       55.    Tenant's Inter-floor Cabling.......................................................................35
       56.    Generator Option; Generator Site...................................................................40
</TABLE>
<PAGE>

EXHIBITS:

A - Outline of Premises
B - Rules and Regulations
C - Landlord's Work
D - Form of Letter of Credit
E - Appraisal Procedure
<PAGE>

                                      LEASE

          THIS LEASE is made as of the ______ day of May, 2000, between OAKLAND
CITY CENTER LLC, a Delaware limited liability company ("Landlord"), and ASK
JEEVES, INC., a Delaware corporation ("Tenant").

          1. PREMISES. Landlord hereby leases to Tenant, and Tenant hereby
leases from Landlord, on the terms and conditions set forth herein, premises
(the "Premises") consisting of all leasable space on the floors specified in
Paragraph 2 below of the building described below to be built by Landlord and
located at 555 Twelfth Street, Oakland, California (the "Building"). It is
anticipated that each floor of the Premises shall consist of space with the
approximate outline depicted on EXHIBIT A attached hereto. The Building is a
part of the office, retail and service complex located in the area bounded by
Broadway, Fourteenth, Clay and Eleventh Streets, which complex, including its
associated garages, the parcel(s) of land on which the complex is located and
the other improvements on such land, is referred to herein as "City Center." The
Building, the associated garage, the parcel(s) of land (the "Land") on which the
Building and garage are located and the other improvements on the Land
(including the walkways and landscaping) are referred to herein as the "Real
Property."

          Landlord intends to construct the Building as a 20-story office tower
faced with precast concrete and glass, consisting of approximately 472,000
rentable square feet of space, including the base building work described in the
attached EXHIBIT C ("Landlord's Work"). Landlord will construct the Building
based substantially on the Pankow Exhibit A (as defined in the attached EXHIBIT
C). Landlord shall keep Tenant advised from time to time, upon Tenant's request,
as to the progress of Landlord's Work and will notify Tenant of any material
changes from the specifications on EXHIBIT C and any material changes to the
Pankow Exhibit A which affect the Premises. Landlord shall consult with Tenant
upon Tenant's request regarding any such material changes, but Tenant's approval
of the same shall not be required; provided, however, that Landlord shall not
without Tenant's approval (which shall not be unreasonably withheld, conditioned
or delayed) make any material change to such specifications that would
materially reduce the performance standards as to the capacity of the
mechanical, plumbing or electrical systems serving the Premises unless such
change is required by the City of Oakland or other governmental authority).
Landlord and Tenant shall cooperate with each other to resolve any issues that
are raised by applicable local, state or federal building codes or governmental
agencies during the planning, permit or construction process. Landlord shall
measure the rentable area of the Building (the "Rentable Area of the Building"),
using Landlord's then applicable space measurement method in City Center (which
shall be based on BOMA standards in effect on the date of this Lease), as soon
as practicable after construction of the Building has progressed to the point to
permit such measurement. Landlord's architect shall certify the Rentable Area of
the Building and shall promptly provide such certification to Tenant. Further,
if there is a material change in the design of the Premises from that shown on
EXHIBIT A, Landlord reserves the right to measure the rentable area of the
Premises (the "Rentable Area of the Premises") using the same space measurement
method, as soon as practicable after construction of the Premises has progressed
to the point to permit such measurement. The results of such measurement(s)
shall be used for all purposes of this Lease as the stipulated Rentable Area of
the Building and, if applicable, the Rentable Area of the Premises, and shall be
set forth in the amendment to this Lease described in Paragraph 3.a. below.

          Tenant's lease of the Premises shall include the right to use, in
common with others and subject to the other provisions of this Lease, the public
lobbies, entrances, stairs, elevators and other public portions of the Building.
All of the windows and outside walls of the Premises and any space in the
Premises used for shafts, stacks, pipes, conduits, ducts, electrical equipment
or other utilities or Building facilities are reserved solely to Landlord and
Landlord shall have rights of access through the Premises for the purpose of
operating, maintaining and repairing the same.

          2. CERTAIN BASIC LEASE TERMS. As used herein, the following terms
shall have the meaning specified below:

          a.   Floor(s) on which the Premises are located: 2nd through 8th
               floors. Each such floor shall constitute an "Increment" under
               this Lease. Landlord and Tenant agree that for purposes of this
               Lease the Rentable Area of the Premises shall be deemed to be
               159,196 rentable square feet, and the individual Increments shall
               be deemed to contain the following respective rentable areas
               (subject to measurement and adjustment as provided in Paragraph 1
               above):
<TABLE>

                         Increment                   Rentable Square Feet
                         ---------                   --------------------

                         <S>                                <C>
                         2nd floor:                         22,798
                         3rd floor:                         22,798
                         4th floor:                         22,720
                         5th floor:                         22,720
                         6th floor:                         22,720
                         7th floor:                         22,720
                         8th floor:                         22,720
</TABLE>

                                       1
<PAGE>

          b.   Lease term: Approximately ten (10) years, commencing as follows:
               The term shall commence with respect to each Increment on the
               Commencement Date (as defined below) for such Increment, and
               shall expire with respect to the entire Premises on the last day
               of the one hundred twentieth (120th) full calendar month after
               the Full Rent Commencement Date (as defined in Paragraph 2.c.)
               (the "Expiration Date"). If, pursuant to Paragraph 4 below the
               Tenant Improvements (as defined in Paragraph 4.a.ii.) are
               constructed by Landlord's Contractor (as defined in Paragraph
               4.b.), then the Commencement Date for each Increment shall be the
               date of Substantial Completion (as defined in Paragraph 4.d.iii.)
               of the Tenant Improvements in such Increment. If pursuant to
               Paragraph 4 the Tenant Improvements are constructed by Tenant's
               Contractor (as defined in Paragraph 4.b.ii.), then the
               Commencement Date with respect to each Increment shall be the
               date Landlord tenders delivery of such Increment to Tenant with
               Landlord's Work Substantially Completed (except that portion of
               Landlord's Work, if any, which Landlord reasonably determines can
               be performed concurrently with the Tenant Improvements). The
               earliest of the Commencement Dates for the various Increments is
               referred to herein as the "Initial Commencement Date."

          c.   Monthly Rent: The amount determined by multiplying the applicable
               annual rental rate set forth below by the number of rentable
               square feet comprising the Rentable Area of the applicable
               Increments of the Premises, and dividing such product by twelve
               (12).
<TABLE>

               Period                                    Annual Rental Rate
               ------                                    ------------------

               <S>                                               <C>
               From the Initial Rent
               Commencement Date (as
               defined below) through the
               last day of the sixtieth (60th)
               full calendar month after the Full
               Rent Commencement Date:                           $37.60

               From the first day of the sixty-first
               (61st) full calendar month after the
               Full Rent Commencement Date
               through the Expiration Date:                      $44.65
</TABLE>

               Rent Commencement Dates: If Landlord's Contractor constructs the
               Tenant Improvements, the "Rent Commencement Date" for each
               Increment shall be the Commencement Date for such Increment. If
               Tenant's Contractor constructs the Tenant Improvements, the "Rent
               Commencement Date" for each Increment shall be the earliest to
               occur of (i) the date Tenant occupies any portion of such
               Increment for the purpose of conducting business therein, (ii)
               ninety days after the Commencement Date for such Increment, or
               (iii) the date of Substantial Completion of the Tenant
               Improvements in such Increment. The "Initial Rent Commencement
               Date" shall be the earliest of the Rent Commencement Dates for
               the various Increments, and the "Full Rent Commencement Date"
               shall be the last of the Rent Commencement Dates for the various
               Increments.

          d.   Letter of Credit Amount: Thirteen Million Seven Hundred Thousand
               Dollars ($13,700,000.00).

          e.   Tenant's Share: The quotient (expressed as a percentage) obtained
               by dividing the Rentable Area of the Premises by the Rentable
               Area of the Building.

          f.   Base Year: Calendar year 2002.

               Base Tax Year: The fiscal tax year ending June 30, 2002.

          g.   Business of Tenant: Software engineering and Internet
               applications.

          h.   Real estate broker(s): Shorenstein Management, Inc., and AEGIS.

     3. TERM; DELIVERY OF POSSESSION OF PREMISES.

          a. TERM. The term of this Lease shall commence on the Initial
Commencement Date (as defined in Paragraph 2.b.) and, unless sooner terminated
pursuant to the terms hereof or at law, shall expire on the Expiration Date
(defined in Paragraph 2.b.). Notwithstanding the foregoing, with respect to

                                       2
<PAGE>

each Increment of the Premises, the term of this Lease shall commence on the
Commencement Date for such Increment, as described in Paragraph 2.b. above. As
soon as reasonably practicable, Landlord and Tenant shall confirm in writing the
Initial Commencement Date, the Commencement Date and Rent Commencement Date for
each Increment, the Full Rent Commencement Date, the Expiration Date, the
Rentable Area of the Premises, the Rentable Area of the Building, the amount of
Monthly Rent, Tenant's Share, and the exact outline of the Premises.

          b. DELIVERY OF PREMISES. Each Increment of the Premises shall be
delivered to Tenant upon the Commencement Date (as defined in Paragraph 2.b.)
for such Increment. If completion of construction of the Building or Substantial
Completion of Landlord's Work or the Tenant Improvements or delivery of
possession of any of the Premises is delayed for any reason whatsoever, this
Lease shall not be void or voidable. Except as otherwise provided herein, no
delay in delivery of possession of the Premises to Tenant shall operate to
extend the term of this Lease or amend Tenant's obligations under this Lease. In
no event shall Landlord be liable to Tenant for any delay in completion of
Landlord's Work or the Tenant Improvements caused or occasioned by strikes,
lockout, labor disputes, shortages of material or labor, fire or other casualty,
acts of God or any other cause ("Force Majeure"). Notwithstanding the foregoing,
if Landlord does not deliver the Premises to Tenant in the condition required by
this Lease on or before the Termination Trigger Date, as defined below, then
Tenant's sole remedy shall be to deliver notice to Landlord ("Termination
Notice"), within five (5) business days after the Termination Trigger Date,
electing to terminate this Lease effective on the date which is ten (10)
business days after Landlord's receipt of the Termination Notice (the
"Termination Date"). The "Termination Trigger Date" shall be December 31, 2002,
if Landlord's Contractor constructs the Tenant Improvements pursuant to
Paragraph 4.b., or September 30, 2002, if Tenant's Contractor constructs the
Tenant Improvements pursuant to Paragraph 4.b.; provided that the Termination
Trigger Date shall be extended by the length of any delays resulting from Force
Majeure or a Tenant Delay.

          Further, notwithstanding the foregoing, if Tenant timely delivers such
Termination Notice, Landlord shall have the right to suspend the termination of
the Lease for a period of sixty (60) days (thereby extending the Termination
Date for 60 days) by delivering to Tenant, within ten (10) business days after
receipt of Tenant's Termination Notice, notice of such suspension ("Landlord's
Suspension Notice"). If Landlord timely delivers Landlord's Suspension Notice,
and, within that 60-day suspension period, delivers possession of the Premises
to Tenant in the condition required by this Lease, Tenant's Termination Notice
shall be of no further force or effect. If, however, Landlord does not deliver
possession of the Premises to Tenant within that 60-day suspension period, this
Lease shall terminate at the end of the 60-day suspension period, except as
otherwise provided below in this paragraph. If prior to the Termination Date (as
such date may have been extended pursuant to this paragraph), Landlord
determines that by the Termination Date construction of Landlord's Work (and, if
Tenant has selected Landlord's Contractor under Paragraph 4.b., construction of
the Tenant Improvements) will not be completed to the point that such work is
required to completed on the Commencement Date for each Increment as provided in
Paragraph 2.b. (the "Required Completion"), Landlord shall have the right to
deliver a written notice to Tenant stating Landlord's Contractor's reasonable,
good-faith estimate of the date by which the Required Completion will occur (the
"Projected Completion Date"). If Tenant wishes Landlord to continue construction
of the Landlord's Work and/or Tenant Improvements, as applicable, Tenant shall,
within three (3) business days after receipt of such notice, provide written
notice ("Tenant's Extension Notice") to Landlord extending the Termination Date
until the Projected Completion Date. If Tenant fails to give Tenant's Extension
Notice within such three (3)- business day period ("Tenant's Response Period"),
Landlord shall have the right to terminate this Lease by giving notice to Tenant
within three (3) business days after expiration of Tenant's Response Period. If
Tenant timely gives Tenant's Extension Notice agreeing to extend the Termination
Date, the Termination Date shall be postponed until the Projected Completion
Date. If the Termination Date is so postponed, Landlord's right to request
Tenant to elect either to terminate or to further postpone the Termination Date
shall remain and continue to remain, with the notice periods set forth above,
until the Required Completion occurs or until this Lease is terminated. If prior
to the Termination Date, as such date may have been postponed pursuant to this
paragraph, the Required Completion is achieved, Tenant's Termination Notice
shall be of no further force or effect.

          c. EARLY OCCUPANCY. If Landlord's Contractor constructs the Tenant
Improvements and Tenant takes occupancy of any of the Increments of the Premises
prior to the Commencement Date for such Increment provided for in Paragraph 2.b.
above (other than for the purposes permitted under Paragraph 4.d.iv.), then the
Commencement Date for such Increment shall be the date of such early occupancy
by Tenant; provided, however, that the Expiration Date shall not be affected by
such early occupancy.

          4. TENANT IMPROVEMENTS. Landlord shall have no obligation to make or
pay for any improvements or renovations in or to the Premises, or otherwise
prepare the Premises for Tenant's occupancy, except as specifically provided in
this Paragraph 4.

          a. PLANS.

          i. SPACE PLANS. On or before January 15, 2001, Tenant shall furnish to
Landlord for Landlord's review and approval (which approval shall not be
unreasonably withheld) plans indicating the proposed location of walls and
partitions on the floor of the Premises or other conceptual or space plans

                                       3
<PAGE>

of the improvements Tenant desires in the Premises (the "Space Plans"), prepared
by an architect retained by Tenant and reasonably acceptable to Landlord
("Tenant's Architect"). The Space Plans shall (A) show the general layout of all
of the improvements which Tenant desires to be constructed in the Premises, and
all such improvements shall comply with all applicable building codes and other
Legal Requirements (as defined in Paragraph 7.a.(16) below), (B) include all
applicable telephone and cable requirements, drywall, finish specifications and
special requirements, (C) separately note any proposed structural work or
extraordinary or supplemental electrical, plumbing or HVAC requirements, and (D)
contain such detail and specifications as would permit a general contractor to
obtain preliminary estimates of the cost of performing all work shown thereon.
The Space Plans and improvements shown thereon shall also comply with the
"Tenant Construction Standards" and "Conditions for Construction" applicable to
the Building (collectively, the "Building Construction Standards"), receipt of
which is hereby acknowledged by Tenant. The Space Plans shall identify any
"long-lead" materials (as described in Paragraph 4.a.ii. below) then known by
Tenant or Tenant's Architect. Landlord shall respond to the Space Plans within
ten (10) Business Days (as defined in Paragraph 17.a. below) of its receipt
thereof. Tenant shall respond promptly to any written objections of Landlord to
the Space Plans and shall resubmit appropriately revised Space Plans prepared by
Tenant's Architect within five (5) Business Days after Tenant's receipt of
Landlord's objections. This procedure shall be followed until all objections
have been resolved and the Space Plans approved. The Space Plans, as finally
approved in writing by Landlord, shall be referred to herein as the "Final Space
Plans."

          ii. FINAL PLANS. As soon as available following approval of the Final
Space Plans, and in any event on or before April 30, 2001, Tenant shall furnish
to Landlord for Landlord's written approval (which approval shall not be
unreasonably withheld) working plans and specifications (the "Working Drawings")
prepared by Tenant's Architect for all of the improvements which Tenant desires
to be constructed in the Premises; provided, however, that all mechanical,
electrical and plumbing engineering drawings included in the Working Drawings
shall be prepared by an engineer designated by Landlord, who shall be engaged by
Tenant ("Tenant's Engineer"). The Working Drawings shall show improvements that
conform to the Final Space Plans (except to the extent specifically noted
therein or in accompanying specifications) and the Building Construction
Standards, shall separately note any proposed structural work or extraordinary
or supplemental electrical, plumbing or HVAC requirements, and shall be in
sufficient detail as to enable the general contractor for the work to obtain all
necessary governmental permits for construction of all of the improvements and
to secure complete bids from qualified contractors to perform the work for all
of the improvements to be constructed in the Premises. Landlord shall respond to
the Working Drawings within ten (10) Business Days of its receipt thereof. The
Working Drawings shall identify any "long-lead" materials then known by Tenant
or Tenant's Architect. Tenant shall respond promptly to any written objections
of Landlord to the Working Drawings and shall resubmit appropriately revised
Working Drawings prepared by Tenant's Architect within five (5) Business Days of
Tenant's receipt of Landlord's written objections, and such resubmitted plans
shall clearly indicate which portions of the plans are revised and which
portions of the plans remain unchanged from the previously submitted plans.
Landlord shall respond to resubmitted Working Drawings promptly. This procedure
shall be followed until all objections have been resolved and the Working
Drawings approved; provided however, that if Tenant has not submitted acceptable
Working Drawings to Landlord on or before June 1, 2001, as such date shall be
extended as provided below (the "Final Plan Date"), then each day beyond the
Final Plan Date that Tenant has not submitted acceptable Working Drawings to
Landlord shall constitute a day of Tenant Delay under Paragraph 4.e. below. If
Landlord fails to provide any required consent or disapproval within the
applicable time period set forth this Paragraph 4.a., then the Final Plan Date
shall be extended by one day for each day of Landlord's net delinquency (and in
determining "net delinquency" each day of Landlord's delinquency in providing a
required consent or disapproval under this Paragraph 4.a. shall be offset by
each day, if any, prior to the applicable deadline that Landlord delivers any
other consent or disapproval required under this Paragraph 4.a.). The Working
Drawings, as approved in writing by Landlord, are hereinafter called the
"Plans," and the work shown on the Plans is hereinafter called the "Tenant
Improvements."

          iii. COOPERATION; CONSENT. Landlord and Tenant shall cooperate with
each other to resolve any space planning or other issues that are raised by
applicable local, state or federal building codes during the planning, permit or
construction process. Notwithstanding anything to the contrary contained herein,
Landlord's approval of any item reviewed by Landlord under this Paragraph 4
shall merely indicate Landlord's consent to the proposed work shown thereon, and
in no event shall such consent by Landlord be deemed to constitute a
representation by Landlord that the work called for therein complies with
applicable building codes or other Legal Requirements nor shall such consent
release Tenant from Tenant's obligations to supply Space Plans, Working Drawings
and Plans that do so conform to applicable building codes and Legal
Requirements.

          b. SELECTION OF CONTRACTOR; BIDDING PROCEDURE. On or before March 1,
2001, Tenant shall notify Landlord in writing of whether (1) Tenant elects to
have Landlord's designated contractor ("Landlord's Contractor") construct the
Tenant Improvements without Tenant first bidding the project out to other
prospective contractors or (2) Tenant elects to bid the project out.

               i. If Tenant elects to have Landlord's Contractor construct the
     Tenant Improvements without bidding the project out to other contractors,
     Landlord shall construct the Tenant Improvements as shown on the Plans on a
     cost basis plus Landlord's Contractor's standard charge for overhead,
     supervision and profit ("Landlord's Contractor's Charge").

                                       4
<PAGE>

               ii. If Tenant elects to bid the project out, the provisions of
     this Paragraph 4.b.ii. shall apply. Within five (5) Business Days after
     Landlord's approval of the Plans, Tenant shall provide bidding materials
     simultaneously to Landlord and to any number of contractors selected by
     Tenant that meet the qualifications set forth in clauses (i) and (ii) of
     Paragraph 4.c. below. Within thirty (30) days thereafter, Tenant shall
     notify Landlord of Tenant's selection of either a third party contractor or
     Landlord to construct the Tenant Improvements. If Tenant selects the bid of
     Landlord's Contractor, then the provisions of Paragraph 4.d. shall apply.
     If Tenant selects a third party contractor other than Landlord's Contractor
     ("Tenant's Contractor"), then the provisions of Paragraph 4.c. shall apply.

          c. CONSTRUCTION BY TENANT'S CONTRACTOR. If Tenant elects to have
Tenant's Contractor construct the Tenant Improvements pursuant to Paragraph
4.b.ii. above, the following provisions shall apply:

               i. APPROVAL. Tenant's Contractor shall be subject to Landlord's
     prior written approval, which approval shall not be unreasonably withheld
     or delayed. If Tenant provides Landlord with a list of its prospective
     contractors prior to bidding out the job, with such information as Landlord
     shall reasonably require about such contractors, Landlord will review and
     approve or reasonably disapprove such prospective contractors reasonably
     promptly.

               ii. QUALIFICATIONS. Tenant's Contractor shall (1) have
     substantial recent experience in the construction of tenant improvements in
     first class high-rise office buildings in City Center, downtown San
     Francisco, Emeryville, the Peninsula or the South Bay, (2) be licensed by
     the State of California (to be evidenced by Tenant's submission to Landlord
     of Tenant's Contractor's state license number), and (3) meet the
     requirements for contractors in the "Conditions for Construction"
     applicable to the Building.

               iii. REQUIREMENTS. Tenant shall be responsible for Tenant's
     Contractor, subcontractors, suppliers and materialmen (A) obtaining
     Landlord's prior written approval (which Landlord shall not unreasonably
     withhold or delay) of all subcontractors and labor to be utilized in the
     performance of such construction work, (B) not employing in the work any
     person, entity or contractor whose presence may give rise to a labor or
     other disturbance in the Building, (C) obtaining all necessary governmental
     permits and approvals in connection with all construction work (including
     demolition) shown on the Plans (and Landlord shall have no responsibility
     whatsoever in connection with obtaining the same), (D) complying with the
     Building Construction Standards, and (E) performing the construction work
     in such manner as to minimize, to the extent possible, disturbance of other
     tenants and occupants of the Building (if any) and, with respect to any
     work the sound levels or other effects of which would create a material
     disturbance of other tenants or occupants of the Building (if any),
     performing such work during other than Business Hours. Landlord shall have
     no responsibility for furnishing any security services in or about the
     Building or the Premises to safeguard Tenant's construction of the Tenant
     Improvements or materials in connection therewith.

               iv. CONSTRUCTION; CHANGES. Tenant shall promptly enter into a
     contract with Tenant's Contractor for construction of the Tenant
     Improvements (and in any event prior to commencement of construction of the
     Tenant Improvements) and shall cause Tenant's Contractor to promptly
     commence and diligently pursue to completion the Tenant Improvements at the
     earliest reasonable date. Any and all identified Punch List Items (as
     defined in Paragraph 4.d.iii. below) shall promptly be completed by
     Tenant's Contractor as well. The Tenant Improvements shall be constructed
     by Tenant's Contractor in conformance with the Plans, and it shall be the
     obligation of Tenant's Contractor to comply with the Building Construction
     Standards and with all applicable Legal Requirements regarding the
     performance of the work. If Tenant desires any change in or to the Plans,
     then Tenant shall request that Tenant's Architect, at Tenant's cost,
     prepare revised Working Drawings incorporating the change. Any and all
     revisions to the Plans shall be subject to Landlord's written approval
     (which shall not be unreasonably withheld or delayed).

          d. CONSTRUCTION BY LANDLORD. If Tenant elects to have the Tenant
Improvements constructed by Landlord, the following provisions shall apply:

               i. BUDGET. If pursuant to Paragraph 4.b.i. Tenant elects to have
     the Tenant Improvements constructed by Landlord (without bidding the
     project out to other contractors), this Paragraph 4.d.i. shall apply:
     Landlord shall cause Landlord's Contractor to solicit bids from not less
     than three (3) subcontractors for each major trade working on the Tenant
     Improvements (including any appropriate subcontractors recommended by
     Tenant). When Landlord's Contractor has received responses to its bid
     request, Landlord's Contractor will analyze the same and provide Tenant
     with a copy of Landlord's Contractor's bid analysis, recommended winning
     bidders and estimated budget for the Tenant Improvements, based upon the
     selected subcontractors' bids and including Landlord's Contractor's fees
     and a reasonable contingency. Tenant shall have three (3) Business Days
     after the receipt of Landlord's Contractor's bid analysis to approve or
     reasonably disapprove Landlord's Contractor's selection of subcontractors
     and Landlord's Contractor's estimated budget. Further, if Tenant
     disapproves of the estimated budget, then within seven (7) Business Days of
     Tenant's receipt thereof, Tenant shall so notify Landlord and the Plans
     shall promptly be modified, at Tenant's cost, by Tenant's Architect, in
     order to satisfactorily modify the scope of the work upon which the budget

                                       5
<PAGE>

     is based. Any and all revisions to the Plans shall be subject to Landlord's
     approval. Upon Tenant's disapproval of any subcontractor or the revision of
     the Plans, Landlord shall cause Landlord's Contractor to promptly prepare
     and submit to Tenant a revised estimated budget. Tenant shall respond to
     the revised estimated budget in the manner described above. Any delay in
     Substantial Completion (as defined in Paragraph 4.d.iii. below) of the
     Tenant Improvements resulting from any revision to the Plans or the budget
     shall constitute a Tenant Delay as defined in Paragraph 4.e. below; in the
     event of any such Tenant Delay, Tenant's obligation to pay rent for the
     Premises shall be accelerated as provided in Paragraph 5.a. below. If
     Tenant fails to raise any objections to the analysis and/or budget within
     the period(s) described above, Tenant shall be deemed to have approved
     Landlord's Contractor's recommended bid acceptance and proposed budget.

          ii. CHANGES. If Tenant desires any change in or to the Plans
     ("Changes"), then Tenant shall request that Tenant's Architect, at Tenant's
     cost, prepare revised Working Drawings incorporating the Change. If
     Landlord approves any proposed Change, then together with such approval, if
     practicable, and if not practicable as soon thereafter as is practicable,
     Landlord shall give Tenant Landlord's estimated increase or decrease in the
     cost of the Tenant Improvements which would result from incorporating such
     Change and Landlord's estimate of the delay, if any, in the commencement or
     completion of the Tenant Improvements which would result from incorporating
     such Change. If the Change increases the cost of the Tenant Improvements
     and the funds from Landlord's Contribution (as defined in Paragraph 4.f.
     below) are not sufficient to pay for the Change, then Tenant shall be
     liable for the additional cost, which cost shall be payable, at Landlord's
     option, during the course of construction. Landlord will use reasonable
     care in preparing the estimates, but they shall be good faith estimates
     only and will not limit Tenant's obligation to pay for the actual increase
     in the cost of the Tenant Improvements or Tenant's responsibility for the
     actual construction delay resulting from the Change. Within three (3)
     Business Days after receipt of such cost and delay estimates, Tenant shall
     notify Landlord in writing whether Tenant approves the Change. If Tenant
     fails to approve the Change within such three (3) Business Day period,
     construction of the Tenant Improvements shall proceed as provided in
     accordance with the Plans as they existed prior to the requested Change.
     If, following Tenant's review of the estimated costs and delays, Tenant
     desires Landlord to incorporate the Change into the Tenant Improvements,
     then Tenant and Landlord shall execute a change order for such Change on
     Landlord's standard form therefor, and the term "Plans" shall thereafter be
     deemed to refer to the Working Drawings as so revised and approved. The
     submission of the proposed estimated budget to Tenant and Tenant's approval
     thereof shall not constitute a guarantee that the cost of the Tenant
     Improvements shall not exceed the amount shown on the estimated budget. Any
     delay in Substantial Completion (as defined below) of the Tenant
     Improvements resulting from any revision to the Plans or the proposed
     budget shall constitute a Tenant Delay, as defined in Paragraph 4.e. below;
     provided, however, that if and only to the extent that any such delay is
     caused by revisions to the Plans that are necessitated by Landlord's
     changes to the Building design, such delay shall not constitute a Tenant
     Delay.

               iii. CONSTRUCTION; SUBSTANTIAL COMPLETION. Landlord shall cause
     Landlord's Contractor to construct the Tenant Improvements as shown on the
     Plans in compliance with this Paragraph 4. With regard to telephones and
     computer systems, Landlord shall provide and cause to be installed only
     those wall terminal boxes and/or floor monuments required for Tenant's
     telephone or computer systems as are shown on the Plans. Landlord will
     provide ordinary power wiring to locations shown on the Plans and shall
     provide and cause to be installed conduits as required for Tenant's
     telephone and computer systems as shown on the Plans, but shall in no event
     install, pull or hook up such wires, supply jacks or plugs or provide
     wiring necessary for special conditioned power to the Premises.
     "Substantial Completion" of the Tenant Improvements for each Increment of
     the Premises shall be deemed to have occurred when (a) the Tenant
     Improvements for such Increment have, in Landlord's reasonable judgment,
     been completed in accordance with the Plans, subject only to correction or
     completion of "Punch List" items, which items shall be limited to minor
     items of incomplete or defective work or materials or mechanical
     maladjustments that are of such a nature that they do not materially
     interfere with or impair Tenant's use of such portion of the Premises for
     Tenant's business, and (b) any governmental approvals (which may be oral
     approvals by inspectors or other officials, and may be temporary or
     conditional in accordance with local practice) required for the initial
     occupancy of the Premises by Tenant have been obtained, subject to final
     inspection and "sign off" as to isolated or incidental items of
     construction (provided that if the failure to obtain such approval results
     from construction of Tenant Improvements in accordance with Plans which do
     not comply with building codes or other Legal Requirements, then this item
     (b) shall not be a condition to the occurrence of Substantial Completion).
     The definition of "Substantially Completed" shall also apply to the terms
     "Substantial Completion" and "Substantially Complete."

               iv. EARLY ENTRY. Notwithstanding anything to the contrary in this
     Lease, Tenant may, prior to Landlord's Contractor's Substantial Completion
     of the Tenant Improvements, enter the Premises and the License Areas (as
     defined in Paragraph 55.a. below) for the purpose of installing telephones,
     cabling, electronic communication or related equipment, and fixtures,
     provided that Tenant shall be solely responsible for any of such equipment,
     fixtures, or material and for any loss or damage thereto from any cause
     whatsoever, excluding only the gross negligence or deliberate misconduct of
     Landlord or Landlord's contractors. Such early access to the Premises and
     License Areas and such installation shall be permitted only to the extent
     that Landlord determines that such early access and

                                       6
<PAGE>

     installation activities will not delay Landlord's Contractor's completion
     of the construction of the Tenant Improvements. The provisions of the final
     grammatical paragraph of Paragraph 8.a. below, the provisions of Paragraph
     9.a. below (except the requirement of the Alteration Operations Fee), the
     provisions of Paragraph 55 and the provisions of Paragraphs 14 and 15 below
     shall apply in full during the period of any such early entry, and Tenant
     shall (i) provide certificates of insurance evidencing the existence and
     amounts of liability insurance carried by Tenant and its agents and
     contractors, reasonably satisfactory to Landlord, prior to such early
     entry, and (ii) comply with all applicable laws, regulations, permits and
     other approvals applicable to such early entry work in the Premises.
     Notwithstanding the foregoing, if such early access or installation delays
     or interferes with Landlord's construction of the Tenant Improvements, or
     increases the cost of the Tenant Improvements, the same shall be a Tenant
     Delay.

          e. TENANT DELAYS. Tenant shall be responsible for, and shall pay to
Landlord, any and all costs and expenses (including lost rent) incurred by
Landlord in connection with any delay in the commencement or completion of any
Tenant Improvements and any increase in the cost of Tenant Improvements caused
by (i) Tenant's failure to submit or resubmit plans or construction documents by
the dates or within the time periods set forth in Paragraph 4.a. above or to
have approved Plans completed by the Final Plan Date (as extended by any delay
by Landlord in responding to plans within the periods set forth above), (ii) any
Changes requested by Tenant in the Tenant Improvements shown on the Space Plans,
Working Drawings or Plans after submission thereof to Landlord (including any
cost or delay resulting from proposed Changes that are not ultimately made)
(except as otherwise provided in Paragraph 4.d.ii. above) or Tenant's
disapproval of any aspect of the Working Drawings except to the extent that such
aspect does not properly reflect the Final Space Plans, (iii) any failure by
Tenant to timely pay any amounts due from Tenant hereunder, including any
additional costs resulting from any Change (it being acknowledged that if Tenant
fails to make or otherwise delays making such payments, Landlord may stop work
on the Tenant Improvements and any delay from such a work stoppage will be a
Tenant Delay), (iv) if Landlord's Contractor constructs the Tenant Improvements,
the inclusion in the Tenant Improvements of any so-called "long lead" materials
(such as fabrics, panelings, carpeting or other items that must be imported or
are of unusual character or limited availability), (v) any delay by Tenant in
responding to inquiries regarding the construction of the Tenant Improvements or
in granting Tenant's approval of materials or finishes for the Tenant
Improvements, (vi) Tenant's failure to either select Landlord's Contractor
pursuant to Paragraph 4.b.i. above or select a contractor pursuant to Paragraph
4.b.ii. above by the respective dates set forth in Paragraph 4.b., or (vii) any
other delay requested or caused by Tenant. Each of the foregoing is referred to
herein as a "Tenant Delay." If Landlord's Contractor constructs the Tenant
Improvements, Landlord shall give Tenant notice of "long lead" items as soon as
reasonably practicable after being advised of the delay by the suppliers
involved, or otherwise becoming aware of the delay or probable delay, and
Landlord's Contractor will use reasonable efforts to suggest alternative
products to alleviate the delay, if possible.

          f. COST OF CONSTRUCTION OF TENANT IMPROVEMENTS.

               i. LANDLORD'S WORK. Landlord's Work shall be performed at
     Landlord's sole cost and expense by such general contractor as Landlord
     shall determine, in compliance with all applicable Legal Requirements.
     Landlord may elect to have certain items of Landlord's Work performed
     concurrently with the construction of the Tenant Improvements. Landlord
     agrees that if pursuant to Paragraph 4.b. above, Landlord's Contractor
     performs the construction of the Tenant Improvements, then (i) the budgets
     for the Tenant Improvements and for Landlord's Work shall be separate, (ii)
     no portion of the Landlord's Work costs shall be included in the bidding
     materials for the Tenant Improvements, and (iii) Tenant shall, at
     reasonable times and upon reasonable prior notice, be granted access to
     Landlord's books, records and contracts concerning the budgets and costs
     for the two projects to verify the independent cost treatment of the two
     projects.

               ii. LANDLORD'S CONTRIBUTION; TENANT'S PAYMENT OF EXCESS COST.
     Landlord shall contribute toward the cost of designing, constructing and
     installing the Tenant Improvements, an amount not to exceed the product of
     Thirty-five Dollars ($35.00) times the Rentable Area of the Premises
     ("Landlord's Contribution"). The following provisions shall govern the
     payment of Landlord's Contribution and Tenant's share of the costs:

                    A. EXCESS COST. Tenant shall pay the cost of construction of
          the Tenant Improvements to the extent such cost (including the general
          contractor's charges for supervision, overhead and profit and, if
          Tenant's Contractor constructs the Tenant Improvements, the
          Construction Operations Fee as described in Paragraph 4.f.ii.E. below)
          exceeds the funds available therefor from Landlord's Contribution (the
          "Excess Cost").

                    B. TENANT'S PAYMENT OF THE EXCESS COST IF LANDLORD'S
          CONTRACTOR PERFORMS THE CONSTRUCTION. If Landlord's Contractor
          performs the construction, then Tenant shall pay the Excess Cost
          (based on the approved budget, including the contingency) (the
          "Payment") to Landlord within fifteen (15) days after written demand,
          which demand may be for payment in advance or in
          course-of-construction installments. If the total actual Excess Cost
          turns out to be less than the Payment, Landlord will refund the excess
          to Tenant within fifteen (15) days after receipt of Tenant's written
          demand following the final construction accounting.

                                       7
<PAGE>

          If the Excess Cost exceeds such Payment, then Tenant shall pay the
          balance to Landlord within fifteen (15) days of written demand.

                    C. TENANT'S PAYMENT OF THE EXCESS COST IF TENANT'S
          CONTRACTOR PERFORMS THE CONSTRUCTION. If Tenant's Contractor performs
          the construction, then based on the estimated cost (the "Estimated
          Costs") of the construction of the Tenant Improvements, the prorata
          share of the Estimated Costs payable by Landlord and Tenant shall be
          determined and an appropriate percentage share established for each (a
          "Share of Costs"). Tenant and Landlord shall fund the cost of such
          work as the same is performed, in accordance with their respective
          Share of Costs for such work, subject to subparagraphs D and E below.
          At such time as Landlord's Contribution has been entirely disbursed,
          Tenant shall pay the remaining Excess Cost, if any, which payment
          shall be made in installments as construction progresses in the same
          manner as Tenant's payments of Tenant's Share of Costs were paid.

                    D. DISBURSEMENT OF LANDLORD'S CONTRIBUTION. If Tenant's
          Contractor constructs the Tenant Improvements, Landlord shall disburse
          Landlord's Contribution directly to Tenant's Contractor, and/or to the
          applicable subcontractors, and/or to Tenant, as Landlord shall
          determine, upon receipt of (x) invoices of Tenant's Contractor to be
          furnished to Landlord by Tenant covering work actually performed,
          construction in place and materials delivered to the site (as may be
          applicable) describing in reasonable detail such work, construction
          and/or materials, (y) conditional lien waivers executed by Tenant's
          Contractor, subcontractors or suppliers, as applicable, for their
          portion of the work covered by the requested disbursement, and (z)
          unconditional lien waivers executed by Tenant's Contractor and the
          persons and entities performing the work or supplying the materials
          covered by Landlord's previous disbursements for the work or materials
          covered by such previous disbursements (all such waivers to be in the
          forms prescribed by California Civil Code Section 3262). No payment
          will be made for materials or supplies not located on the Premises.
          Landlord may withhold the amount of any and all retentions provided
          for in original contracts or subcontracts until expiration of the
          applicable lien periods or Landlord's receipt of unconditional lien
          waivers and full releases upon final payment (in the form prescribed
          by California Civil Code Section 3262) from Tenant's Contractor and
          all subcontractors and suppliers involved in the Tenant Improvements
          (the "Final Lien Waivers").

                    E. CONSTRUCTION OPERATIONS FEE. If Tenant's Contractor
          constructs the Tenant Improvements, Landlord shall retain from the
          amount of Landlord's Contribution, in the manner described below, an
          aggregate sum equal to five percent (5%) of the total cost of the
          construction and installation of the Tenant Improvements (which cost
          of the construction and installation shall include architectural and
          engineering fees but shall not include permit fees) (the "Construction
          Operations Fee") as compensation to Landlord for review of plans and
          specifications, electrical energy consumed in connection with the
          construction work, use of loading docks and freight elevators of the
          Building, and for other miscellaneous costs incurred by Landlord as a
          result of the construction work not otherwise reimbursable by Tenant
          hereunder. At the time Landlord makes any disbursement of Landlord's
          Contribution, Landlord shall retain from Landlord's Contribution, as a
          partial payment of the Construction Operations Fee, a proportionate
          amount of the Construction Operations Fee base upon Landlord's
          reasonable estimate of the amount required to be withheld from such
          disbursement in order to ensure that the entire Construction
          Operations Fee is retained over the course of construction on a
          prorata basis. At such time as Landlord's Contribution has been
          entirely disbursed, if the entire Construction Operations Fee has not
          yet been paid to Landlord, Tenant shall pay to Landlord a prorata
          portion of each payment made by Tenant on account of the Tenant
          Improvements in order to ensure that the balance of the Construction
          Fee is paid to Landlord over the course of construction on a prorata
          basis.

                    F. CERTAIN COSTS. If Landlord reasonably determines that
          upon Substantial Completion of the Tenant Improvements Landlord's
          Contribution would not be exhausted by construction of the Tenant
          Improvements for such portion of the Premises, and the remaining
          balance of Landlord's Contribution will exceed the amount needed to
          fully pay for all outstanding anticipated costs relating to the Tenant
          Improvements for such portion of the Premises, then Tenant may apply a
          portion of Landlord's Contribution, up to a maximum amount equal to
          the product of Two Dollars ($2.00) times the Rentable Area of the
          Premises with respect to each Increment of the Premises, toward the
          reasonable cost of design, space planning, architectural fees, and
          construction drawings for the Tenant Improvements for such portion of
          the Premises. In no event may any portions of Landlord's Contribution
          be applied towards the costs of Tenant's trade fixtures, personal
          property, equipment, cabling, furniture, signage, moving expenses, or
          rental obligations.

                    G. ENTIRE PREMISES TO BE IMPROVED. Tenant acknowledges that
          Landlord's Contribution is to be applied to the Tenant Improvements
          covering the entire Premises. If Tenant does not improve the entire
          Premises, then, without limitation of any other rights or

                                       8
<PAGE>

          remedies of Landlord hereunder, Landlord's Contribution shall be
          adjusted on a pro rata per rentable square foot basis to reflect the
          number of rentable square feet actually being improved.

          5. MONTHLY RENT.

          a. Commencing on the Rent Commencement Date for each Increment of the
Premises, on or before the first day of each calendar month during the term
hereof, Tenant shall pay to Landlord, as monthly rent for such Increment, the
Monthly Rent specified in Paragraph 2.c. above. If the Rent Commencement Date
for any Increment occurs on a day other than the first day of a calendar month,
or if the term of this Lease terminates on a day other than the last day of a
calendar month, then the Monthly Rent payable for the relevant Increment(s) for
such partial month shall be appropriately prorated on the basis of a thirty
(30)-day month. Monthly Rent and the Additional Rent specified in Paragraph 7
shall be paid by Tenant to Landlord, in advance, without deduction, offset,
prior notice or demand, in immediately available funds of lawful money of the
United States of America, or by good check as described below, at the office of
Shorenstein Company, L.P., at 555 California Street, 14th floor, San Francisco,
California 94104, or to such other person or at such other place as Landlord may
from time to time designate in writing. Payments made by check must be drawn
either on a California financial institution or on a financial institution that
is a member of the federal reserve system. Notwithstanding the foregoing, if the
Rent Commencement Date for any Increment is delayed as a result of a Tenant
Delay, then Tenant's obligation to pay rent for such Increment shall be
accelerated by the number of days of such delay. Further, notwithstanding the
foregoing, Tenant shall pay to Landlord with Tenant's execution of this Lease,
an amount equal to one (1) month's Monthly Rent hereunder for the Premises,
which amount shall be applied to the Monthly Rent first due and payable
hereunder.

          b. All amounts payable by Tenant to Landlord under this Lease
(including without limitation Paragraph 56), or otherwise payable in connection
with Tenant's occupancy of the Premises, in addition to the Monthly Rent
hereunder and Additional Rent under Paragraph 7, shall constitute rent owed by
Tenant to Landlord hereunder.

          c. Any rent not paid by Tenant to Landlord when due shall bear
interest from the date due to the date of payment by Tenant at an annual rate of
interest (the "Interest Rate") equal to the lesser of (i) the maximum annual
interest rate allowed by law on such due date for business loans (not primarily
for personal, family or household purposes) not exempt from the usury law, or
(ii) a rate equal to the sum of four (4) percentage points over the six-month
United States Treasury bill rate (the "Treasury Rate") in effect from time to
time during such delinquency (or if there is no such publicly announced rate,
the rate quoted by the San Francisco Main Office of Bank of America, NT&SA, or
any successor bank thereto, in pricing ninety (90)-day commercial loans to
substantial commercial borrowers) (provided that the first occurrence of such a
delinquency in any twelve (12)-month period that ends on the date of such
occurrence shall cause the delinquent amount to bear interest only if Tenant
fails to pay the delinquent amount within five (5) days of the date due).
Failure by Tenant to pay rent when due, including any interest accrued under
this subparagraph, shall constitute an Event of Default (as defined in Paragraph
25 below) giving rise to all the remedies afforded Landlord under this Lease and
at law for nonpayment of rent.

          d. No security or guaranty which may now or hereafter be furnished to
Landlord for the payment of rent due hereunder or for the performance by Tenant
of the other terms of this Lease shall in any way be a bar or defense to any of
Landlord's remedies under this Lease or at law.

          6. LETTER OF CREDIT.

          a. As security for the performance by Tenant of Tenant's obligations
hereunder, Tenant shall cause to be delivered to Landlord concurrently with the
execution of this Lease by Tenant, an original irrevocable standby letter of
credit (the "Letter of Credit") in the amount specified in Paragraph 2.d. above,
naming Landlord as beneficiary, which Landlord may draw upon to cure any default
under this Lease or to compensate Landlord for any damage Landlord incurs as a
result of Tenant's failure to perform any of its obligations hereunder. Any such
draw on the Letter of Credit shall not constitute a waiver of any other rights
of Landlord with respect to such default or failure to perform. The Letter of
Credit shall be issued by a major commercial bank reasonably acceptable to
Landlord, with a service and claim point for the Letter of Credit in the San
Francisco Bay Area in California, have an expiration date not earlier than
thirty (30) days after Expiration Date (or, in the alternative, have a term of
not less than one (1) year and be automatically renewable for an additional one
(1) year period unless notice of non-renewal is given by the issuer to Landlord
not later than forty-five (45) days prior to the expiration thereof) and shall
provide that Landlord may make partial and multiple draws thereunder, up to the
face amount thereof. The Letter of Credit shall be in the form attached hereto
as EXHIBIT D, and shall otherwise be in form and content satisfactory to
Landlord. If the Letter of Credit has an expiration date earlier than the
thirtieth (30th) day after the Expiration Date, then throughout the term hereof
(including any renewal or extension of the term) Tenant shall provide evidence
of renewal of the Letter of Credit to Landlord at least forty-five (45) days
prior to the date the Letter of Credit expires. If Landlord draws on the Letter
of Credit pursuant to the terms hereof, Tenant shall immediately replenish the
Letter of Credit or provide Landlord with an additional letter of credit
conforming to the requirement of this paragraph so that the amount available to
Landlord from the Letter(s) of Credit provided hereunder is the amount specified
in Paragraph 2.d. above. Tenant's failure to deliver any

                                       9
<PAGE>

replacement, additional or extension of the Letter of Credit, or evidence of
renewal of the Letter of Credit, within the time specified under this Lease
shall entitle Landlord to draw upon the Letter of Credit then in effect. If
Landlord liquidates the Letter of Credit as provided in the preceding sentence,
Landlord shall hold the funds received from the Letter of Credit as security for
Tenant's performance under this Lease, and Landlord shall not be required to
segregate such security deposit from its other funds and no interest shall
accrue or be payable to Tenant with respect thereto. No holder of a Superior
Interest (as defined in Paragraph 21 below), nor any purchaser at any judicial
or private foreclosure sale of the Real Property or any portion thereof, shall
be responsible to Tenant for such security deposit unless and only to the extent
such holder or purchaser shall have actually received the same. If Landlord
transfers such security deposit to the grantee or transferee of Landlord's
interest in the Real Property, Landlord shall be released from any further
responsibility or liability for such security. If Tenant is not in default at
the expiration or termination of this Lease, Landlord shall return to Tenant the
Letter of Credit or the balance of the security deposit then held by Landlord,
as applicable; provided, however, that in no event shall any such return be
construed as an admission by Landlord that Tenant has performed all of its
covenants and obligations hereunder.

          b. Notwithstanding the foregoing, however, on the third (3rd)
anniversary of the Full Commencement Date (as defined in Paragraph 2.b. above),
and each anniversary of such date thereafter during the term (each such date
termed herein a "Reduction Date"), so long as no Event of Default (as defined in
Paragraph 25.a. below) by Tenant under this Lease has occurred since the
previous Reduction Date (or, in the case of the first Reduction Date, since the
Commencement Date), the amount required under the Letter of Credit shall be
reduced by One Million Seven Hundred Twelve Thousand Five Hundred Dollars
($1,712,500.00) on such Reduction Date, and if Tenant is entitled to such
reduction, Tenant may replace or amend the existing Letter of Credit to reflect
such reduced amount on or after the applicable Reduction Date. Landlord will
respond to the bank's written request for consent to such a reduction as soon as
reasonably practicable but in any event within thirty (30) days after receipt of
such request.

          7. ADDITIONAL RENT: INCREASES IN OPERATING EXPENSES AND TAX EXPENSES.

          a. OPERATING EXPENSES. Tenant shall pay to Landlord, at the times
hereinafter set forth, Tenant's Share, as specified in Paragraph 2.e. above, of
any increase in the Operating Expenses (as defined below) incurred by Landlord
in each calendar year subsequent to the Base Year specified in Paragraph 2.f.
above, over the Operating Expenses incurred by Landlord during the Base Year.
The amounts payable under this Paragraph 7.a. and Paragraph 7.b. below are
termed "Additional Rent" herein.

          The term "Operating Expenses" shall mean the total costs and expenses
incurred by Landlord in connection with the management, operation, maintenance,
repair and ownership of the Real Property, including, without limitation, the
following costs: (1) salaries, wages, bonuses and other compensation (including
hospitalization, medical, surgical, retirement plan, pension plan, union dues,
life insurance, including group life insurance, welfare and other fringe
benefits, and vacation, holidays and other paid absence benefits) relating to
employees of Landlord or its agents engaged in the operation, repair, or
maintenance of the Real Property allocated in proportion to the percentage of
such person's working time actually spent working in connection with the Real
Property; (2) payroll, social security, workers' compensation, unemployment and
similar taxes with respect to such employees of Landlord or its agents, and the
cost of providing disability or other benefits imposed by law or otherwise, with
respect to such employees; (3) the cost of uniforms (including the cleaning,
replacement and pressing thereof) provided to such employees; (4) premiums and
other charges incurred by Landlord with respect to fire, other casualty, rent
and liability insurance, any other insurance as is deemed necessary or advisable
in the reasonable judgment of Landlord, or any insurance required by the holder
of any Superior Interest (as defined in Paragraph 21 below), and, after the Base
Year, costs of repairing an insured casualty to the extent of the deductible
amount under the applicable insurance policy (provided that, if Landlord does
not carry earthquake insurance during the Base Year, but obtains earthquake
insurance subsequent to the Base Year, then the initial annual premium for the
earthquake insurance shall not be included in Operating Expenses, and Operating
Expenses in any given year subsequent to the first calendar year in which
Landlord obtains earthquake insurance shall include only the increases in the
annual premium over the annual premium paid for the earthquake insurance for the
first calendar year after the Base Year in which Landlord carries the same); (5)
water charges and sewer rents or fees; (6) license, permit and inspection fees;
(7) sales, use and excise taxes on goods and services purchased by Landlord in
connection with the operation, maintenance or repair of the Real Property and
Building systems and equipment; (8) telephone, telegraph, postage, stationery
supplies and other expenses incurred in connection with the operation,
maintenance, or repair of the Real Property; (9) management fees and expenses;
(10) costs of repairs to and maintenance of the Real Property, including
building systems and appurtenances thereto and normal repair and replacement of
worn-out equipment, facilities and installations, but excluding the replacement
of major building systems (except to the extent provided in (16) and (17)
below); (11) fees and expenses for janitorial, window cleaning, guard,
extermination, water treatment, rubbish removal, plumbing and other services and
inspection or service contracts for elevator, electrical, mechanical and other
building equipment and systems or as may otherwise be necessary or proper for
the operation, repair or maintenance of the Real Property; (12) costs of
supplies, tools, materials, and equipment used in connection with the operation,
maintenance or repair of the Real Property; (13) accounting, legal and other
professional fees and expenses; (14) fees and expenses for painting the exterior
or the public or common areas of the Building and the cost of maintaining the
sidewalks, landscaping and other common areas of the Real Property; (15) costs
and expenses for electricity, chilled water, air conditioning, water for
heating, gas, fuel, steam, heat, lights, power and other energy related

                                       10
<PAGE>

utilities required in connection with the operation, maintenance and repair of
the Real Property; (16) the cost of any capital improvements made by Landlord to
the Real Property or capital assets acquired by Landlord after the Base Year in
order to comply with any local, state or federal law, ordinance, rule,
regulation, code or order of any governmental entity or insurance requirement
(collectively, "Legal Requirement") with which the Real Property was not
required to comply during the Base Year, or to comply with any amendment or
other change to the enactment or interpretation of any Legal Requirement from
its enactment or interpretation during the Base Year; (17) the cost of any
capital improvements made by Landlord to the Building or capital assets acquired
by Landlord after the Base Year for the protection of the health and safety of
the occupants of the Real Property or that are designed to reduce other
Operating Expenses; (18) the cost of furniture, draperies, carpeting,
landscaping and other customary and ordinary items of personal property
(excluding paintings, sculptures and other works of art) provided by Landlord
for use in common areas of the Building or in the Building office (to the extent
that such Building office is dedicated to the operation and management of the
Real Property); (19) any expenses and costs resulting from substitution of work,
labor, material or services in lieu of any of the above itemizations, or for any
additional work, labor, services or material resulting from compliance with any
Legal Requirement applicable to the Real Property or any parts thereof; (20)
Building office rent or rental value; and (21) the Real Property's allocable
share of expenses, in the nature of the other Operating Expenses described in
this Paragraph 7.a., which are incurred with respect to the common areas of City
Center (including without limitation pedestrian walkways, patios, landscaped
areas, sidewalks, service corridors, restrooms, stairways, escalators,
decorative walls, plaza, fountains, malls, throughways, loading areas and ramps
and parking areas), which allocation shall be determined by Landlord in its good
faith business judgment. If the Real Property becomes subject to any covenants,
conditions or restrictions, reciprocal easement agreement, common area
declaration or similar agreement, the foregoing common area expenses shall
include all fees, costs or other expenses allocated to the Real Property under
such agreement. With respect to the costs of items included in Operating
Expenses under (16) and (17), such costs shall be amortized over a reasonable
period, as determined by Landlord, together with interest on the unamortized
balance at a rate per annum equal to three (3) percentage points over the
Treasury Rate charged at the time such item is constructed or acquired, or at
such higher rate as may have been paid by Landlord on funds borrowed for the
purpose of constructing or acquiring such item, but in either case not more than
the maximum rate permitted by law at the time such item is constructed or
acquired.

          Operating Expenses shall not include the following: (i) depreciation
on the Building or equipment or systems therein; (ii) debt service; (iii) rental
under any ground or underlying lease; (iv) interest (except as expressly
provided in this Paragraph 7.a.); (v) Tax Expenses (as defined in Paragraph 7.b.
below); (vi) attorneys' and other professional fees and expenses incurred in
connection with lease negotiations with prospective Building tenants or the
enforcement of leases affecting the Real Property; (vii) the cost (including any
amortization thereof) of any improvements or alterations which would be properly
classified as capital expenditures according to generally accepted property
management practices (except to the extent expressly included in Operating
Expenses pursuant to this Paragraph 7.a.); (viii) the cost of decorating,
improving for tenant occupancy, painting or redecorating portions of the
Building to be demised to tenants; (ix) wages, salaries, benefits or other
similar compensation paid to executive employees of Landlord or Landlord's
agents above the rank of general manager; (x) advertising and promotional
expenditures, and costs of signage identifying any tenant of the Building (other
than Building directory or floor directory signage); (xi) real estate broker's
or other leasing commissions; (xii) penalties or other costs incurred due to a
violation by Landlord, as determined by written admission, stipulation, final
judgment or arbitration award, of any of the terms and conditions of this Lease
or any other lease relating to the Building except to the extent such costs
reflect costs that would have been incurred by Landlord absent such violation;
(xiii) subject to the provisions of item (4) above, repairs and other work
occasioned by fire, windstorm or other casualty, to the extent Landlord is
reimbursed by insurance proceeds, and other work paid from insurance or
condemnation proceeds; (xiv) costs, penalties or fines arising from Landlord's
violation of any applicable governmental rule or authority except to the extent
such costs reflect costs that would have been incurred by Landlord absent such
violation; (xv) overhead and profit increments paid to subsidiaries or
affiliates of Landlord for management or other services on or to the Building or
for supplies or other materials to the extent that the cost of the services,
supplies or materials materially exceed the amounts normally payable for similar
goods and services under similar circumstances (taking into account the market
factors in effect on the date any relevant contracts were negotiated) in
comparable buildings in the San Francisco financial district and downtown
Oakland; (xvi) charitable and political contributions; (xviii) rentals and other
related expenses incurred in leasing air conditioning systems, elevators or
other equipment ordinarily considered to be of a capital nature (except
equipment that is not affixed to the Building and is used in providing
janitorial services, and except to the extent such costs would otherwise be
includable pursuant to items (16) and (17) as set forth in the immediately
preceding paragraph); (xix) the cost of any large-scale asbestos abatement or
removal activities, provided, however, Operating Expenses may include the costs
attributable to those actions taken by Landlord to comply with any Legal
Requirements in connection with the ordinary operation and maintenance of the
Building, including costs incurred in removing limited amounts of asbestos
containing materials from the Building when such removal is directly related to
such ordinary maintenance and operation; (xx) any expense for which Landlord is
actually directly reimbursed by a tenant or other party (other than through a
provision similar to the first paragraph of this Paragraph 7.a.), including,
without limitation, payments for Excess Services; or (xxii) the cost of services
made available at no additional charge to any tenant in the Building but not to
Tenant.

          b. TAX EXPENSES. Tenant shall pay to Landlord as Additional Rent under
this Lease, at the times hereinafter set forth, Tenant's Share, as specified in
Paragraph 2.e. above, of any increase in Tax

                                       11
<PAGE>

Expenses (as defined below) incurred by Landlord in each calendar year, over the
Base Tax Amount (as defined below). The "Base Tax Amount" shall mean the total
Tax Expenses incurred by Landlord during the Base Tax Year specified in
Paragraph 2.f. above; provided that the Base Tax Amount shall, if necessary, be
adjusted to reflect what the assessment of the Real Property and Building would
be with one hundred percent (100%) of the base building improvements and ninety
percent (90%) of the tenant improvements completed. Notwithstanding the
foregoing, if any reassessment, reduction or recalculation of any item included
in Tax Expenses during the term results in a reduction of Tax Expenses, then for
purposes of calculating Tenant's Share of increases in Tax Expenses from and
after the calendar year in which such adjustment occurs, the Base Tax Amount
shall be adjusted to reflect such reduction.

          The term "Tax Expenses" shall mean all taxes, assessments (whether
general or special), excises, transit charges, housing fund assessments or other
housing charges, improvement districts, levies or fees, ordinary or
extraordinary, unforeseen as well as foreseen, of any kind, which are assessed,
levied, charged, confirmed or imposed on the Real Property, on Landlord with
respect to the Real Property, on the act of entering into leases of space in the
Real Property, on the use or occupancy of the Real Property or any part thereof,
with respect to services or utilities consumed in the use, occupancy or
operation of the Real Property, on any improvements, fixtures and equipment and
other personal property of Landlord located in the Real Property and used in
connection with the operation of the Real Property, or on or measured by the
rent payable under this Lease or in connection with the business of renting
space in the Real Property, including, without limitation, any gross income tax
or excise tax levied with respect to the receipt of such rent, by the United
States of America, the State of California, the City of Oakland, the County of
Alameda, any political subdivision, public corporation, district or other
political or public entity or public authority, and shall also include any other
tax, fee or other excise, however described, which may be levied or assessed in
lieu of, as a substitute (in whole or in part) for, or as an addition to, any
other Tax Expense. Tax Expenses shall include reasonable attorneys' fees, costs
and disbursements incurred in connection with proceedings to contest, determine
or reduce Tax Expenses. If it shall not be lawful for Tenant to reimburse
Landlord for any increase in Tax Expenses as defined herein, the Monthly Rent
payable to Landlord prior to the imposition of such increases in Tax Expenses
shall be increased to net Landlord the same net Monthly Rent after imposition of
such increases in Tax Expenses as would have been received by Landlord prior to
the imposition of such increases in Tax Expenses.

          Tax Expenses shall not include income, franchise, transfer,
inheritance or capital stock taxes, unless, due to a change in the method of
taxation, any of such taxes is levied or assessed against Landlord in lieu of,
as a substitute (in whole or in part) for, or as an addition to, any other
charge which would otherwise constitute a Tax Expense.

          c. ADJUSTMENT FOR OCCUPANCY FACTOR. Notwithstanding any other
provision herein to the contrary, in the event the Building is not fully
occupied during any calendar year during the term, including the Base Year, an
adjustment shall be made by Landlord in computing Operating Expenses for such
year so that the Operating Expenses shall be computed for such year as though
the Building had been fully occupied during such year. In addition, if any
particular work or service includable in Operating Expenses is not furnished to
a tenant who has undertaken to perform such work or service itself, Operating
Expenses shall be deemed to be increased by an amount equal to the additional
Operating Expenses which would have been incurred if Landlord had furnished such
work or service to such tenant. The parties agree that statements in this Lease
to the effect that Landlord is to perform certain of its obligations hereunder
at its own or sole cost and expense shall not be interpreted as excluding any
cost from Operating Expenses or Tax Expenses if such cost is an Operating
Expense or Tax Expense pursuant to the terms of this Lease.

          d. INTENTION REGARDING EXPENSE PASS-THROUGH. It is the intention of
Landlord and Tenant that the Monthly Rent paid to Landlord throughout the term
of this Lease shall be absolutely net of all increases, respectively, in Tax
Expenses and Operating Expenses over, respectively, the Base Tax Amount and
Operating Expenses for the Base Year, and the foregoing provisions of this
Paragraph 7 are intended to so provide.

          e. NOTICE AND PAYMENT. On or before the first day of each calendar
year during the term hereof, or as soon as practicable thereafter, Landlord
shall give to Tenant notice of Landlord's estimate of the Additional Rent, if
any, payable by Tenant pursuant to Paragraphs 7.a. and 7.b. for such calendar
year. Commencing on the Initial Rent Commencement Date, and continuing
thereafter on or before the first day of each month during each such calendar
year, Tenant shall pay to Landlord one-twelfth (1/12th) of the estimated
Additional Rent; provided, however, that if Landlord's notice is not given prior
to the first day of any calendar year Tenant shall continue to pay Additional
Rent on the basis of the prior year's estimate until the month after Landlord's
notice is given. If at any time it appears to Landlord that the Additional Rent
payable under Paragraphs 7.a. and/or 7.b. will vary from Landlord's estimate by
more than five percent (5%), Landlord may, by written notice to Tenant, revise
its estimate for such year, and subsequent payments by Tenant for such year
shall be based upon the revised estimate. On the first monthly payment date
after any new estimate is delivered to Tenant, Tenant shall also pay any accrued
cost increases, based on such new estimate.

          f. ANNUAL ACCOUNTING. Landlord shall maintain adequate books and
records of the Operating Expenses and Tax Expenses in accordance with standard
accounting principles. Within ninety (90) days after the close of each calendar
year subsequent to the Base Year, or as soon after such ninety (90) day

                                       12
<PAGE>

period as practicable, Landlord shall deliver to Tenant a statement of the
Additional Rent payable under Paragraphs 7.a. and 7.b. for such year. The
statement shall be based on the results of an audit of the operations of the
Building prepared for the applicable year by a nationally recognized certified
public accounting firm selected by Landlord. Upon Tenant's request, Landlord
shall promptly deliver to Tenant a copy of the auditor's statement on which
Landlord's annual statement is based and such other information regarding the
annual statement as may be reasonably required by Tenant to ascertain Landlord's
compliance with this Paragraph 7. Landlord's annual statement shall be final and
binding upon Landlord and Tenant unless either party, within thirty (30) days
after Tenant's receipt thereof, shall contest any item therein by giving written
notice to the other, specifying each item contested and the reason therefor.
Notwithstanding the foregoing, the Tax Expenses included in any such annual
statement may be modified by any subsequent adjustment or retroactive
application of Tax Expenses affecting the calculation of such Tax Expenses. If
the annual statement shows that Tenant's payments of Additional Rent for such
calendar year pursuant to Paragraph 7.e. above exceeded Tenant's obligations for
the calendar year, Landlord shall at its option either (1) credit the excess to
the next succeeding installments of estimated Additional Rent or (2) pay the
excess to Tenant within thirty (30) days after delivery of such statement. If
the annual statement shows that Tenant's payments of Additional Rent for such
calendar year pursuant to Paragraph 7.e. above were less than Tenant's
obligation for the calendar year, Tenant shall pay the deficiency to Landlord
within thirty (30) days after delivery of such statement. Landlord and Tenant
shall endeavor in good faith to promptly resolve any dispute regarding the
annual statement. Tenant shall not withhold payment of any contested or disputed
item. Upon resolution of any such dispute, whether by agreement of the parties
or by judicial determination, Landlord shall promptly refund to Tenant any
amount determined to have been overpaid by Tenant, or Tenant shall promptly pay
to Landlord any deficiency that is determined to be owing. If, as a consequence
of Tenant's review of Landlord's backup information, as provided above, Tenant
determines that there has been in the relevant year an aggregate overstatement
of Operating Expenses of five percent (5%) or more, and Landlord's auditors
concur in such finding (or, in the absence of such concurrence, such
overstatement is confirmed judicially), then Landlord shall bear Tenant's
reasonable costs of such review.

          g. PRORATION FOR PARTIAL LEASE YEAR. If the Initial Rent Commencement
Date is a day other than the first day of a calendar year or if this Lease
terminates on a day other than the last day of a calendar year, the Additional
Rent payable by Tenant pursuant to this Paragraph 7 applicable to such partial
calendar year shall be prorated on the basis that the number of days of such
partial calendar year bears to three hundred sixty-five (365).

          8. USE OF PREMISES; COMPLIANCE WITH LAW.

          a. USE OF PREMISES. The Premises shall be used solely for general
office purposes for the business of Tenant as described in Paragraph 2.g. above
and for no other use or purpose without the prior written consent of Landlord,
which consent shall not be unreasonably withheld for any other general office
use consistent with the operation of the Building as a first-class office
building, provided in no event shall Landlord be obligated to consent to a
change in use of the Premises to a use which materially increases (i) the
operating costs for the Building, (ii) the burden on the Building services, or
(iii) the foot traffic, elevator usage or security concerns in the Building, or
which creates an increased probability of the comfort and/or safety of the
Landlord or other tenants of the Building being compromised or reduced.

          Tenant shall not do or suffer or permit anything to be done in or
about the Premises or the Real Property, nor bring or keep anything therein,
which would in any way subject Landlord, Landlord's agents or the holder of any
Superior Interest (as defined in Paragraph 21) to any liability, increase the
premium rate of or affect any fire, casualty, liability, rent or other insurance
relating to the Real Property or any of the contents of the Building, or cause a
cancellation of, or give rise to any defense by the insurer to any claim under,
or conflict with, any policies for such insurance. If any act or omission of
Tenant results in any such increase in premium rates, Tenant shall pay to
Landlord upon demand the amount of such increase. Tenant shall not do or suffer
or permit anything to be done in or about the Premises or the Real Property
which will in any way obstruct or interfere with the rights of other tenants or
occupants of the Building or injure or annoy them, or use or suffer or permit
the Premises to be used for any immoral, unlawful or objectionable purpose, nor
shall Tenant cause, maintain, suffer or permit any nuisance in, on or about the
Premises or the Real Property. Without limiting the foregoing, no loudspeakers
or other similar device which can be heard outside the Premises shall, without
the prior written approval of Landlord, be used in or about the Premises. Tenant
shall not commit or suffer to be committed any waste in, to or about the
Premises.

          Tenant agrees not to employ any person, entity or contractor for any
work in the Premises (including moving Tenant's equipment and furnishings in,
out or around the Premises) whose presence may give rise to a labor or other
disturbance in the Building and, if necessary to prevent such a disturbance in a
particular situation, Landlord may require Tenant to employ union labor for the
work. Landlord will advise Tenant, upon request, as to whether a given person,
entity or contractor, in Landlord's reasonable judgment, is likely to cause a
labor or other disturbance.

          b. COMPLIANCE WITH LAW. Tenant shall not do or permit anything to be
done in or about the Premises which will in any way conflict with any Legal
Requirement (as defined in Paragraph 7.a.(16) above) now in force or which may
hereafter be enacted. Tenant, at its sole cost and expense, shall promptly
comply with all such present and future Legal Requirements relating to the
condition, use or occupancy of the Premises, and shall perform all work to the
Premises or other portions of the Real Property

                                       13
<PAGE>

required to effect such compliance (or, at Landlord's election, Landlord may
perform such work at Tenant's cost). Notwithstanding the foregoing, however,
Tenant shall not be required to perform any structural changes to the Premises
or other portions of the Real Property unless such changes are related to or
affected or triggered by (i) Tenant's Alterations (as defined in Paragraph 9
below), (ii) Tenant's particular use of the Premises (as opposed to Tenant's use
of the Premises for general office purposes in a normal and customary manner),
(iii) Tenant's particular employees or employment practices, or (iv) the
construction of initial improvements to the Premises, if any. The judgment of
any court of competent jurisdiction or the admission of Tenant in an action
against Tenant, whether or not Landlord is a party thereto, that Tenant has
violated any Legal Requirement shall be conclusive of that fact as between
Landlord and Tenant. Tenant shall immediately furnish Landlord with any notices
received from any insurance company or governmental agency or inspection bureau
regarding any unsafe or unlawful conditions within the Premises or the violation
of any Legal Requirement.

          c. HAZARDOUS MATERIALS. Tenant shall not cause or permit the storage,
use, generation, release, handling or disposal (collectively, "Handling") of any
Hazardous Materials (as defined below), in, on, or about the Premises or the
Real Property by Tenant or any agents, employees, contractors, licensees,
subtenants, customers, guests or invitees of Tenant (collectively with Tenant,
"Tenant Parties"), except that Tenant shall be permitted to use normal
quantities of office supplies or products (such as copier fluids or cleaning
supplies) customarily used in the conduct of general business office activities
("Common Office Chemicals"), provided that the Handling of such Common Office
Chemicals shall comply at all times with all Legal Requirements, including
Hazardous Materials Laws (as defined below). Notwithstanding anything to the
contrary contained herein, however, in no event shall Tenant permit any usage of
Common Office Chemicals in a manner that may cause the Premises or the Real
Property to be contaminated by any Hazardous Materials or in violation of any
Hazardous Materials Laws. Tenant shall immediately advise Landlord in writing of
(a) any and all enforcement, cleanup, remedial, removal, or other governmental
or regulatory actions instituted, completed, or threatened pursuant to any
Hazardous Materials Laws relating to any Hazardous Materials affecting the
Premises; and (b) all claims made or threatened by any third party against
Tenant, Landlord, the Premises or the Real Property relating to damage,
contribution, cost recovery, compensation, loss, or injury resulting from any
Hazardous Materials on or about the Premises. Without Landlord's prior written
consent, Tenant shall not take any remedial action or enter into any agreements
or settlements in response to the presence of any Hazardous Materials in, on, or
about the Premises. Tenant shall be solely responsible for and shall indemnify,
defend and hold Landlord and all other Indemnitees (as defined in Paragraph
14.b. below), harmless from and against all Claims (as defined in Paragraph
14.b. below), arising out of or in connection with, or otherwise relating to (i)
any Handling of Hazardous Materials by any Tenant Party or Tenant's breach of
its obligations hereunder, or (ii) any removal, cleanup, or restoration work and
materials necessary to return the Real Property or any other property of
whatever nature located on the Real Property to their condition existing prior
to such Handling of Hazardous. Tenant's obligations under this paragraph shall
survive the expiration or other termination of this Lease. For purposes of this
Lease, "Hazardous Materials" means any explosive, radioactive materials,
hazardous wastes, or hazardous substances, including without limitation asbestos
containing materials, PCB's, CFC's, or substances defined as "hazardous
substances" in the Comprehensive Environmental Response, Compensation and
Liability Act of 1980, as amended, 42 U.S.C. Section 9601-9657; the Hazardous
Materials Transportation Act of 1975, 49 U.S.C. Section 1801-1812; the Resource
Conservation and Recovery Act of 1976, 42 U.S.C. Section 6901-6987; or any other
Legal Requirement regulating, relating to, or imposing liability or standards of
conduct concerning any such materials or substances now or at any time hereafter
in effect (collectively, "Hazardous Materials Laws").

          d. APPLICABILITY OF PARAGRAPH. The provisions of this Paragraph 8 are
for the benefit of Landlord, the holder of any Superior Interest (as defined in
Paragraph 21 below), and the other Indemnitees only and are not nor shall they
be construed to be for the benefit of any tenant or occupant of the Building.

          9. ALTERATIONS AND RESTORATION.

          a. Tenant shall not make or permit to be made any alterations,
modifications, additions, decorations or improvements to the Premises, or any
other work whatsoever that would directly or indirectly involve the penetration
or removal (whether permanent or temporary) of, or require access through, in,
under, or above any floor, wall or ceiling, or surface or covering thereof in
the Premises (collectively, "Alterations"), except as expressly provided in this
Paragraph 9.

          Tenant shall have the right, without Landlord's consent, to make any
Alteration to the Premises, provided that (a) the Alteration is decorative in
nature (such as paint, carpet or other wall or floor finishes, partitions other
such work), (b) Tenant provides Landlord with ten (10) days' advance notice of
the commencement of any such Alteration, (c) such Alteration does not affect the
Building's electrical, mechanical or HVAC systems or any part of the Building
other than the Premises, (d) the work will not decrease the value of the
Premises, does not require a building permit or other governmental permit, uses
only first-class materials and is performed in a workman-like manner and in
accordance with all applicable laws and regulations, and (e) the work does not
involve opening the ceiling of the Premises. At the time Tenant notifies
Landlord of any such work, Tenant shall give Landlord a copy of Tenant's plans
for the work, or, if the Alterations are of such a nature that formal plans will
not be prepared for the work, Tenant shall provide Landlord with a reasonably
specific description of the work. If Tenant desires any Alteration that is not

                                       14
<PAGE>

covered in the preceding two (2) sentences, Tenant must obtain Landlord's prior
written approval of such Alteration, which approval shall not be unreasonably
withheld or delayed.

          All Alterations shall be made at Tenant's sole cost and expense
(including the expense of complying with all present and future Legal
Requirements, including those regarding asbestos, if applicable, and any other
work required to be performed in other areas within or outside the Premises by
reason of the Alterations). Alterations shall be made, at Tenant's election, by
Landlord or by a contractor reasonably approved by Landlord. If Tenant hires
Landlord to perform the Alteration, Landlord's contractor shall be entitled to
receive a fee for such work of fifteen percent (15%) of the first $100,000 of
the construction costs of such work, and the fee for any construction costs over
such amount shall be as negotiated by Tenant and Landlord. If Landlord does not
perform the work pursuant to the above, Tenant shall pay Landlord on demand
prior to or during the course of such construction an amount (the "Alteration
Operations Fee") equal to five percent (5%) of the total cost of the Alteration
(and for purposes of calculating the Alteration Operations Fee, such cost shall
include architectural and engineering fees, but shall not include permit fees)
as compensation to Landlord for electrical energy consumed in connection with
the work, freight elevator operation, additional cleaning expenses, additional
security services, and for other miscellaneous costs incurred by Landlord as
result of the work.

          All such work shall be performed diligently and in a first-class
workmanlike manner and in accordance with plans and specifications approved by
Landlord, and shall comply with all Legal Requirements and Landlord's then
current construction procedures and requirements for the Building (including
Landlord's requirements relating to insurance and contractor qualifications). In
no event shall Tenant employ any person, entity or contractor to perform work in
the Premises whose presence may give rise to a labor or other disturbance in the
Building. Default by Tenant in the payment of any sums agreed to be paid by
Tenant for or in connection with an Alteration (regardless of whether such
agreement is pursuant to this Paragraph 9 or separate instrument) shall entitle
Landlord to all the same remedies as for non-payment of rent hereunder. Any
Alterations, including, without limitation, moveable partitions that are affixed
to the Premises (but excluding moveable, free standing partitions) and all
carpeting, shall at once become part of the Building and the property of
Landlord. Tenant shall give Landlord not less than five (5) days prior written
notice of the date the construction of the Alteration is to commence. Landlord
may post and record an appropriate notice of nonresponsibility with respect to
any Alteration and Tenant shall maintain any such notices posted by Landlord in
or on the Premises.

          b. At Landlord's sole election any or all Alterations made for or by
Tenant shall be removed by Tenant from the Premises at the expiration or sooner
termination of this Lease and the Premises shall be restored by Tenant to their
condition prior to the making of the Alterations, ordinary wear and tear
excepted. If Tenant desires permission to leave a specific Alteration in the
Premises at the expiration or earlier termination of the Lease, Tenant shall
request such permission from Landlord in writing at the time Tenant requests
approval for such Alteration and Landlord shall advise Tenant in writing at the
time of Landlord's approval of the subject Alteration whether Landlord will
require the removal of the Alteration at the expiration or earlier termination
of this Lease. The removal of the Alterations and the restoration of the
Premises shall be performed by a general contractor selected by Tenant and
approved by Landlord, and Tenant shall pay the general contractor's fees and
costs in connection with such work. Any separate work letter or other agreement
which is hereafter entered into between Landlord and Tenant pertaining to
Alterations shall be deemed to automatically incorporate the terms of this Lease
without the necessity for further reference thereto.

          10. REPAIR.

          a. By taking possession of the Premises, Tenant agrees that the
Premises are in good condition and repair. Tenant, at Tenant's sole cost and
expense, shall keep the Premises and every part thereof (including the interior
walls and ceilings of the Premises, those portions of the Building systems
located within and exclusively serving the Premises, and improvements and
Alterations) in good condition and repair; provided that Tenant shall not be
responsible for repairs to the extent such repairs are (i) necessitated by the
negligence or willful misconduct of Landlord or Landlord's agents, employees or
contractors, or (ii) Landlord's obligation pursuant to Paragraph 10.b. below.
Tenant waives all rights to make repairs at the expense of Landlord as provided
by any Legal Requirement now or hereafter in effect. It is specifically
understood and agreed that, except as specifically set forth in this Lease,
Landlord has no obligation and has made no promises to alter, remodel, improve,
repair, decorate or paint the Premises or any part thereof, and that no
representations respecting the condition of the Premises or the Building have
been made by Landlord to Tenant. Tenant hereby waives the provisions of
California Civil Code Sections 1932(1), 1941 and 1942 and of any similar Legal
Requirement now or hereafter in effect.

          b. Repairs to the Premises necessitated by fire, earthquake, act of
God or the elements shall be governed by Paragraph 26 below. Landlord shall
repair the Premises if they are damaged due to item (i) described in Paragraph
10.a. above. Further, Landlord shall repair and maintain in good condition and
repair the structural portions of the Building and all Building systems,
including plumbing, air conditioning, heating, electrical, life safety and other
systems installed or furnished by Landlord, but excluding (i) non-Building
standard lighting and electrical wiring and (ii) extraordinary quantities of
electrical, plumbing, HVAC or other Building facilities or distribution thereof;
provided, however, that to the extent repairs which Landlord is required to make
pursuant to this sentence are necessitated by the negligence

                                       15
<PAGE>

or deliberate misconduct of Tenant or Tenant's agents, employees or contractors,
then Tenant shall reimburse Landlord for the cost of such repair to the extent
Landlord is not reimbursed therefor by insurance. Landlord shall in no event be
obligated to repair any wear and tear to the Premises.

          11. ABANDONMENT. Tenant shall not abandon the Premises or any part
thereof at any time during the term hereof. Upon the expiration or earlier
termination of this Lease, or if Tenant abandons or surrenders all or any part
of the Premises or is dispossessed of the Premises by process of law, or
otherwise, any movable furniture, equipment, trade fixtures, or other personal
property belonging to Tenant and left on the Premises shall at the option of
Landlord be deemed to be abandoned and, whether or not the property is deemed
abandoned, Landlord shall have the right to remove such property from the
Premises and charge Tenant for the removal and any restoration of the Premises
as provided in Paragraph 9. Landlord may charge Tenant for the storage of
Tenant's property left on the Premises at such rates as Landlord may from time
to time reasonably determine, or, Landlord may, at its option, store Tenant's
property in a public warehouse at Tenant's expense. Notwithstanding the
foregoing, neither the provisions of this Paragraph 11 nor any other provision
of this Lease shall impose upon Landlord any obligation to care for or preserve
any of Tenant's property left upon the Premises, and Tenant hereby waives and
releases Landlord from any claim or liability in connection with the removal of
such property from the Premises and the storage thereof and specifically waives
the provisions of California Civil Code Section 1542 with respect to such
release. Landlord's action or inaction with regard to the provisions of this
Paragraph 11 shall not be construed as a waiver of Landlord's right to require
Tenant to remove its property, restore any damage to the Premises and the
Building caused by such removal, and make any restoration required pursuant to
Paragraph 9 above. Tenant's mere vacating of the Premises during the term hereof
shall not constitute an Event of Default (as defined in Paragraph 25.a.) so long
as Tenant continues to pay Monthly Rent, Additional Rent and all other sums due
Landlord under this Lease, maintains the insurance coverage required pursuant to
Paragraph 15 of this Lease and otherwise continues to perform its obligations
under this Lease, and so long as Tenant provides Landlord with written notice of
an alternate address for notices to Tenant under this Lease (other than the
Premises) if such vacancy exceeds sixty (60) consecutive days.

          12. LIENS. Tenant shall not permit any mechanic's, materialman's or
other liens arising out of work performed at the Premises by or on behalf of
Tenant to be filed against the fee of the Real Property nor against Tenant's
interest in the Premises. Landlord shall have the right to post and keep posted
on the Premises any notices which it deems necessary for protection from such
liens. If any such liens are filed, Landlord may, upon twenty (20) days' written
notice to Tenant, without waiving its rights based on such breach by Tenant and
without releasing Tenant from any obligations hereunder, pay and satisfy the
same and in such event the sums so paid by Landlord shall be due and payable by
Tenant immediately without notice or demand, with interest from the date paid by
Landlord through the date Tenant pays Landlord, at the Interest Rate. Tenant
agrees to indemnify, defend and hold Landlord and the other Indemnitees (as
defined in Paragraph 14.b. below) harmless from and against any Claims (as
defined in Paragraph 14.b. below) for mechanics', materialmen's or other liens
in connection with any Alterations, repairs or any work performed, materials
furnished or obligations incurred by or for Tenant.

          13. ASSIGNMENT AND SUBLETTING.

          a. LANDLORD'S CONSENT. Landlord's and Tenant's agreement with regard
to Tenant's right to transfer all or part of its interest in the Premises is as
expressly set forth in this Paragraph 13. Tenant agrees that, except upon
Landlord's prior written consent, which consent shall not (subject to Landlord's
rights under Paragraph 13.d. below) be unreasonably withheld, neither this Lease
nor all or any part of the leasehold interest created hereby shall, directly or
indirectly, voluntarily or involuntarily, by operation of law or otherwise, be
assigned, mortgaged, pledged, encumbered or otherwise transferred by Tenant or
Tenant's legal representatives or successors in interest (collectively an
"assignment") and neither the Premises nor any part thereof shall be sublet or
be used or occupied for any purpose by anyone other than Tenant (collectively, a
"sublease"). Any assignment or subletting without Landlord's prior written
consent shall, at Landlord's option, be void and shall constitute an Event of
Default entitling Landlord to terminate this Lease and to exercise all other
remedies available to Landlord under this Lease and at law.

          The parties hereto agree and acknowledge that, among other
circumstances for which Landlord may reasonably withhold its consent to an
assignment or sublease, it shall be reasonable for Landlord to withhold its
consent where: (i) the assignment or subletting would materially increase the
operating costs for the Building or the burden on the Building services, or
generate additional foot traffic, elevator usage or security concerns in the
Building, or create an increased probability of the comfort and/or safety of
Landlord and other tenants in the Building being compromised or reduced, (ii)
the space will be used for a school or training facility, an entertainment,
sports or recreation facility, retail sales to the public (unless Tenant's
permitted use is retail sales), a personnel or employment agency (other than
executive offices of the same not having substantial dealings with the public or
personnel to be placed), an office or facility of any governmental or
quasi-governmental agency or authority, a place of public assembly (including
without limitation a meeting center, theater or public forum), any use by or
affiliation with a foreign government (including without limitation an embassy
or consulate or similar office), or a facility for the provision of social,
welfare or clinical health services or sleeping accommodations (whether
temporary, daytime or overnight); (iii) the proposed assignee or subtenant is a
prospective tenant of the Building (and Landlord is in written correspondence to
them regarding space available and Landlord has or will have available space in
City Center that is comparable to the Premises or the portion thereof subject to
such subletting, as

                                       16
<PAGE>

applicable, or that otherwise meets such tenant's or prospective tenant's needs)
or the proposed assignee or subtenant is a current tenant of the Building; (iv)
Landlord in its good faith business judgment disapproves of the proposed
assignee's or subtenant's reputation or creditworthiness; (v) Landlord in its
good faith business judgment determines that the character of the business that
would be conducted by the proposed assignee or subtenant at the Premises, or the
manner of conducting such business, would be inconsistent with the character of
the Building as a first-class office building; (vi) the proposed assignee or
subtenant is an entity or related to an entity with whom Landlord or any
affiliate of Landlord has had adverse dealings relating to the use or occupancy
of space pursuant to a lease or a license, or the proposed assignee or subtenant
is an entity or related to an entity with whom Landlord or any affiliate of
Landlord has been engaged in litigation, or who has asserted a legal claim
against Landlord or any affiliate of Landlord, or against whom Landlord or any
affiliate of Landlord has asserted a legal claim; (vii) the assignment or
subletting may conflict with any exclusive uses granted to other tenants of the
Real Property, or with the terms of any easement, covenant, condition or
restriction, or other agreement affecting the Real Property; (viii) the
assignment or subletting would involve a change in use from that expressly
permitted under this Lease; or (ix) Landlord reasonably determines that the
proposed assignee may be unable to perform all of Tenant's obligations under
this Lease or the proposed subtenant may be unable to perform all of its
obligations under the proposed sublease. Landlord's foregoing rights and options
shall continue throughout the entire term of this Lease.

          For purposes of this Paragraph 13, the following events shall be
deemed an assignment or sublease, as appropriate: (i) the issuance of equity
interests (whether stock, partnership interests or otherwise) in Tenant or any
subtenant or assignee, or any entity controlling any of them, to any person or
group of related persons, in a single transaction or a series of related or
unrelated transactions, such that, following such issuance, such person or group
shall have Control (as defined below) of Tenant or any subtenant or assignee;
(ii) a transfer of Control of Tenant or any subtenant or assignee, or any entity
controlling any of them, in a single transaction or a series of related or
unrelated transactions (including, without limitation, by consolidation, merger,
acquisition or reorganization), except that the transfer of outstanding capital
stock or other listed equity interests through the "over-the-counter" market or
any recognized national or international securities exchange shall not be
included in determining whether Control has been transferred; (iii) a reduction
of Tenant's assets to the point that this Lease is substantially Tenant's only
asset; (iv) a change or conversion in the form of entity of Tenant, any
subtenant or assignee, or any entity controlling any of them, which has the
effect of limiting the liability of any of the partners, members or other owners
of such entity; or (v) the agreement by a third party to assume, take over, or
reimburse Tenant for, any or all of Tenant's obligations under this Lease, in
order to induce Tenant to lease space with such third party. "Control" shall
mean direct or indirect ownership of 50% or more of all of the voting stock of a
corporation or 50% or more of the legal or equitable interest in any other
business entity, or the power to direct the operations of any entity (by equity
ownership, contract or otherwise).

          If this Lease is assigned, whether or not in violation of the terms of
this Lease, Landlord may collect rent from the assignee. If the Premises or any
part thereof is sublet, Landlord may, upon an Event of Default by Tenant
hereunder, collect rent from the subtenant. In either event, Landlord may apply
the amount collected from the assignee or subtenant to Tenant's monetary
obligations hereunder.

          The consent by Landlord to an assignment or subletting hereunder shall
not relieve Tenant or any assignee or subtenant from obtaining Landlord's
express prior written consent to any other or further assignment or subletting.
Neither an assignment or subletting nor the collection of rent by Landlord from
any person other than Tenant, nor the application of any such rent as provided
in this Paragraph 13.a. shall be deemed a waiver of any of the provisions of
this Paragraph 13.a. or release Tenant from its obligation to comply with the
provisions of this Lease and Tenant shall remain fully and primarily liable for
all of Tenant's obligations under this Lease. If Landlord approves of an
assignment or subletting hereunder and this Lease contains any renewal options,
expansion options, rights of first refusal, rights of first negotiation or any
other rights or options pertaining to additional space in the Building, such
rights and/or options shall not run to the subtenant or assignee, it being
agreed by the parties hereto that any such rights and options are personal to
the Tenant originally named herein and may not be transferred.

          b. PROCESSING EXPENSES. Tenant shall pay to Landlord, as Landlord's
cost of processing each proposed assignment or subletting, an amount equal to
the sum of (i) Landlord's reasonable attorneys' and other professional fees,
plus (ii) the sum of $750.00 for the cost of Landlord's administrative,
accounting and clerical time (collectively, "Processing Costs"), and the amount
of all direct and indirect costs and expenses incurred by Landlord arising from
the assignee or sublessee taking occupancy of the subject space (including,
without limitation, costs of freight elevator operation for moving of
furnishings and trade fixtures, security service, janitorial and cleaning
service, and rubbish removal service). Notwithstanding anything to the contrary
herein, Landlord shall not be required to process any request for Landlord's
consent to an assignment or subletting until Tenant has paid to Landlord the
amount of Landlord's estimate of the Processing Costs and all other direct and
indirect costs and expenses of Landlord and its agents arising from the assignee
or subtenant taking occupancy.

          c. CONSIDERATION TO LANDLORD. In the event of any assignment or
sublease, whether or not requiring Landlord's consent, Landlord shall be
entitled to receive, as additional rent hereunder, seventy-five percent (75%) of
any consideration (including, without limitation, payment for leasehold
improvements and any "Leasehold Profit" as defined below) paid by the assignee
or subtenant for the assignment or sublease

                                       17
<PAGE>

and, in the case of a sublease, seventy-five percent (75%) of the excess of the
amount of rent paid for the sublet space by the subtenant over the amount of
Monthly Rent under Paragraphs 2.c. and 5 above and Additional Rent under
Paragraph 7 above attributable to the sublet space for the corresponding month;
except that Tenant may recapture, on an amortized basis over the term of the
sublease or assignment, any brokerage commissions paid by Tenant in connection
with the subletting or assignment (not to exceed commissions typically paid in
the market at the time of such subletting or assignment), reasonable legal fees
paid by Tenant in connection with such assignment or subletting (not to exceed
the lesser of (x) $2,500 or (y) $0.35 per rentable square foot of the sublet or
assigned space), the processing costs paid to Landlord under Paragraph 13.b. in
connection with such assignment or subletting, and any improvement allowance
paid by Tenant to the subtenant or assignee (collectively the "Assignment or
Subletting Costs"), provided that, as a condition to Tenant recapturing the
Assignment or Subletting Costs, Tenant shall provide to Landlord, within ninety
(90) days of Landlord's execution of Landlord's consent to the assignment or
subletting, a detailed accounting of the Assignment or Subletting Costs and
supporting documents, such as receipts and construction invoices. To effect the
foregoing, Tenant shall deduct from the monthly amounts received by Tenant from
the subtenant or assignee as rent or consideration (i) the Monthly Rent and
Additional Rent payable by Tenant to Landlord for the subject space and (ii) the
incremental amount, on an amortized basis, of the Assignment or Subletting
Costs, and seventy-five percent (75%) of the then remaining sum shall be paid
promptly to Landlord. Upon Landlord's request, Tenant shall assign to Landlord
all amounts to be paid to Tenant by any such subtenant or assignee and that
belong to Landlord and shall direct such subtenant or assignee to pay the same
directly to Landlord. If there is more than one sublease under this Lease, the
amounts (if any) to be paid by Tenant to Landlord pursuant to the preceding
sentence shall be separately calculated for each sublease and amounts due
Landlord with regard to any one sublease may not be offset against rental and
other consideration pertaining to or due under any other sublease. "Leasehold
Profit" shall be the value allocated to the leasehold between the parties to the
assignment or sublease, but in no event less than the excess of the present
value of the fair market rent of the Premises for the remaining term of this
Lease after such assignment or sublease, over the present value of the Monthly
Rent payable hereunder for such remaining term, as reasonably determined by
Landlord. Notwithstanding the foregoing to the contrary, this Paragraph 13.c.
shall not apply to any assignment or subletting to an Affiliate in accordance
with Paragraph 13.g. below.

          d. PROCEDURES. If Tenant desires to assign this Lease or any interest
therein or sublet all or part of the Premises, Tenant shall give Landlord
written notice thereof and the terms proposed (the "Sublease Notice"), which
Sublease Notice, in the case of a proposed sublease, shall designate the space
proposed to be sublet. Landlord shall have the prior right and option (to be
exercised by written notice to Tenant given within forty-five (45) days after
receipt of Tenant's notice) (i) to sublet from Tenant any portion of the
Premises proposed by Tenant to be sublet, for the term for which such portion is
proposed to be sublet, but at the lesser of the proposed sublease rent or the
same rent (including Additional Rent as provided for in Paragraph 7 above) as
Tenant is required to pay to Landlord under this Lease for the same space,
computed on a pro rata square footage basis, and during the term of such
sublease Tenant shall be released of its obligations under this Lease with
regard to the subject space, (ii) to terminate this Lease as it pertains to the
portion of the Premises so proposed by Tenant to be sublet but only if the term
of the proposed sublease would be for more than fifty percent (50%) of the then
remaining initial term of this Lease, or (iii) to approve Tenant's proposal to
sublet conditional upon Landlord's subsequent written approval of the specific
sublease obtained by Tenant and the specific subtenant named therein.
Notwithstanding the foregoing, Landlord shall not have the options in (i) and
(ii) with respect to any proposed assignment or subletting to an Affiliate in
accordance with Paragraph 13.g. below. If Landlord exercises its option in (i)
above, then Landlord may, at Landlord's sole cost, construct improvements in the
subject space and, so long as the improvements are suitable for general office
purposes, Landlord shall have no obligation to restore the subject space to its
original condition following the termination of the sublease. If Landlord
exercises its option described in (iii) above, then Tenant shall have four (4)
months thereafter to submit to Landlord, for Landlord's written approval,
Tenant's proposed sublease agreement (in which the proposed subtenant shall be
named, and which agreement shall otherwise meet the requirements of Paragraph
13.e. below), together with a current financial statement of such proposed
subtenant and any other information reasonably requested by Landlord. If Tenant
fails to submit the specific sublease and other required information within such
time, or if the terms of the specific sublease submitted by Tenant vary from the
terms set forth in the Sublease Notice approved by Landlord pursuant to (iii)
above, then Tenant shall be required to submit a new Sublease Notice for
Landlord's evaluation pursuant to the procedures set forth in this paragraph. If
Landlord fails to exercise any such option to sublet or to terminate, this shall
not be construed as or constitute a waiver of any of the provisions of
Paragraphs 13.a., b., c. or d. herein. If Landlord exercises any option to
sublet or to terminate, any costs of demising the portion of the Premises
affected by such subleasing or termination shall be borne by Tenant. In
addition, Landlord shall have no liability for any real estate brokerage
commission(s) or with respect to any of the costs and expenses that Tenant may
have incurred in connection with its proposed subletting, and Tenant agrees to
indemnify, defend and hold Landlord and all other Indemnitees harmless from and
against any and all Claims (as defined in Paragraph 14.b. below), including,
without limitation, claims for commissions, arising from such proposed
subletting. Landlord's foregoing rights and options shall continue throughout
the entire term of this Lease. For purposes of this Paragraph 13.d., a proposed
assignment of this Lease in whole or in part shall be deemed a proposed
subletting of such space.

          e. DOCUMENTATION. No permitted assignment or subletting by Tenant
shall be effective until there has been delivered to Landlord a fully executed
counterpart of the assignment or sublease which expressly provides that (i) the
assignee or subtenant may not further assign or sublet the assigned or sublet
space without Landlord's prior written consent (which, in the case of a further
assignment proposed by an

                                       18
<PAGE>

assignee, shall not be unreasonably withheld, subject to Landlord's rights under
the provisions of this Paragraph 13), (ii) the assignee or subtenant will comply
with all of the provisions of this Lease, and Landlord may enforce the Lease
provisions directly against such assignee or subtenant, (iii) in the case of an
assignment, the assignee assumes all of Tenant's obligations under this Lease
arising on or after the date of the assignment, and (iv) in the case of a
sublease, the subtenant agrees to be and remain jointly and severally liable
with Tenant for the payment of rent pertaining to the sublet space in the amount
set forth in the sublease, and for the performance of all of the terms and
provisions of this Lease which are applicable to the sublet space. In addition
to the foregoing, no sublease by Tenant shall be effective until there has been
delivered to Landlord a fully executed counterpart of Landlord's consent to
sublease form. The failure or refusal of a subtenant or assignee to execute any
such instrument shall not release or discharge the subtenant or assignee from
its liability as set forth above. Notwithstanding the foregoing, however, no
subtenant or assignee shall be permitted to occupy the Premises unless and until
such subtenant or assignee provides Landlord with certificates evidencing that
such subtenant or assignee is carrying all insurance coverage required of such
subtenant or assignee under this Lease.

          f. NO MERGER. Without limiting any of the provisions of this Paragraph
13, if Tenant has entered into any subleases of any portion of the Premises, the
voluntary or other surrender of this Lease by Tenant, or a mutual cancellation
by Landlord and Tenant, shall not work a merger, and shall, at the option of
Landlord, terminate all or any existing subleases or subtenancies or, at the
option of Landlord, operate as an assignment to Landlord of any or all such
subleases or subtenancies. If Landlord does elect that such surrender or
cancellation operate as an assignment of such subleases or subtenancies,
Landlord shall in no way be liable for any previous act or omission by Tenant
under the subleases or for the return of any deposit(s) under the subleases that
have not been actually delivered to Landlord, nor shall Landlord be bound by any
sublease modification(s) executed without Landlord's consent or for any advance
rental payment by the subtenant in excess of one month's rent.

          g. AFFILIATES. Notwithstanding anything to the contrary in Paragraphs
13.a., 13.c. and 13.d., but subject to Paragraphs 13.e. and 13.f., Tenant may
assign this Lease or sublet the Premises or any portion thereof, without
Landlord's consent, to any partnership, corporation or other entity which
controls, is controlled by, or is under common control with Tenant or Tenant's
parent (control being defined for such purposes as ownership of at least 50% of
the equity interests in, or the power to direct the management of, the relevant
entity) or to any partnership, corporation or other entity resulting from a
merger or consolidation with Tenant or Tenant's parent, or to any person or
entity which acquires substantially all the assets of Tenant as a going concern
(collectively, an "Affiliate"), provided that (i) Landlord receives prior
written notice of an assignment or subletting, (ii) the Affiliate's net worth is
not less than Tenant's net worth as of the date of this Lease, (iii) the
Affiliate remains an Affiliate for the duration of the subletting or the balance
of the term in the event of an assignment, (iv) the Affiliate assumes (in the
event of an assignment) in writing all of Tenant's obligations under this Lease,
and (v) Landlord receives a fully executed copy of an assignment or sublease
agreement between Tenant and the Affiliate.

          14. INDEMNIFICATION OF LANDLORD.

          a. Landlord and the holders of any Superior Interests (as defined in
Paragraph 21 below) shall not be liable to Tenant and Tenant hereby waives all
claims against such parties for any loss, injury or other damage to person or
property in or about the Premises or the Real Property from any cause
whatsoever, including without limitation, water leakage of any character from
the roof, walls, basement, fire sprinklers, appliances, air conditioning,
plumbing or other portion of the Premises or the Real Property, or gas, fire,
explosion, falling plaster, steam, electricity, or any malfunction within the
Premises or the Real Property, or acts of other tenants of the Building;
provided, however, that the foregoing waiver shall be inapplicable to any loss,
injury or damage resulting directly from Landlord's gross negligence or willful
misconduct. Tenant acknowledges that from time to time throughout the term of
this Lease, construction work may be performed in and about the Building and the
Real Property by Landlord, contractors of Landlord, or other tenants or their
contractors, and that such construction work may result in noise and disruption
to Tenant's business. In addition to and without limiting the foregoing waiver
or any other provision of this Lease, Tenant agrees that Landlord shall not be
liable for, and Tenant expressly waives and releases Landlord and the other
Indemnitees (as defined in Paragraph 14.b. below) from any Claims (as defined in
Paragraph 14.b. below), including without limitation, any and all consequential
damages or interruption or loss of business, income or profits, or claims of
constructive eviction, arising or alleged to be arising as a result of any such
construction activity.

          b. Tenant shall hold Landlord and the holders of any Superior
Interest, and the constituent shareholders, partners or other owners thereof,
and all of their agents, contractors, servants, officers, directors, employees
and licensees (collectively with Landlord, the "Indemnitees") harmless from and
indemnify the Indemnitees against any and all claims, liabilities, damages,
costs and expenses, including reasonable attorneys' fees and costs incurred in
defending against the same (collectively, "Claims"), to the extent arising from
(a) the acts or omissions of Tenant or any other Tenant Parties (as defined in
Paragraph 8.c. above) in, on or about the Real Property, or (b) any construction
or other work undertaken by or on behalf of Tenant in, on or about the Premises,
whether prior to or during the term of this Lease, other than work (including
the Tenant Improvements, as defined in Paragraph 4 above, but excluding any
early entry work performed pursuant to Paragraph 4.d.iv. above) performed by
Landlord or Landlord's employees, agents or contractors, or (c) any breach or
Event of Default under this Lease by Tenant, or (d) any accident,

                                       19
<PAGE>

injury or damage, howsoever and by whomsoever caused, to any person or property,
occurring in, on or about the Premises; except to the extent such Claims are
caused directly by the negligence or willful misconduct of Landlord or its
authorized representatives. In case any action or proceeding be brought against
any of the Indemnitees by reason of any such Claim, Tenant, upon notice from
Landlord, covenants to resist and defend at Tenant's sole expense such action or
proceeding by counsel reasonably satisfactory to Landlord. The provisions of
this Paragraph 14.b. shall survive the expiration or earlier termination of this
Lease with respect to any injury, illness, death or damage occurring prior to
such expiration or termination.

          15. INSURANCE.

          a. TENANT'S INSURANCE. Tenant shall, at Tenant's expense, maintain
during the term of this Lease (and, if Tenant occupies or conducts activities in
or about the Premises prior to or after the term hereof, then also during such
pre-term or post-term period): (i) commercial general liability insurance
including contractual liability coverage, with minimum coverages of $1,000,000
per occurrence combined single limit for bodily injury and property damage,
$1,000,000 for products-completed operations coverage, $100,000 fire legal
liability, $1,000,000 for personal and advertising injury (which coverage shall
not be subject to the contractual liability exclusion), with a $2,000,000
general aggregate limit, for injuries to, or illness or death of, persons and
damage to property occurring in or about the Premises or otherwise resulting
from Tenant's operations in the Building, (ii) property insurance protecting
Tenant against loss or damage by fire and such other risks as are insurable
under then-available standard forms of "all risk" insurance policies (excluding
earthquake and flood but including water damage), covering Tenant's personal
property and trade fixtures in or about the Premises or the Real Property, and
any improvements and/or Alterations in the Premises, for the full replacement
value thereof without deduction for depreciation; (iii) workers' compensation
insurance in statutory limits; (iv) at least three months' coverage for loss of
business income and continuing expenses, providing protection against any peril
included within the classification "all risk," excluding earthquake and flood
but including water damage; and (v) if Tenant operates owned, leased or
non-owned vehicles on the Real Property, comprehensive automobile liability
insurance with a minimum coverage of $1,000,000 per occurrence, combined single
limit. The above described policies shall protect Tenant, as named insured, and
Landlord and all the other Indemnitees and any other parties designated by
Landlord, as additional insureds; shall insure Landlord's and such other
parties' contingent liability with regard to acts or omissions of Tenant; shall
specifically include all liability assumed by Tenant under this Lease (provided,
however, that such contractual liability coverage shall not limit or be deemed
to satisfy Tenant's indemnity obligations under this Lease); and, if subject to
deductibles, shall provide for deductible amounts not in excess of those
approved in advance in writing by Landlord in its sole discretion. Landlord
reserves the right to increase the foregoing amount of liability coverage from
time to time as Landlord determines is required to adequately protect Landlord
and the other parties designated by Landlord from the matters insured thereby
(provided, however, that Landlord makes no representation that the limits of
liability required hereunder from time to time shall be adequate to protect
Tenant), and to require that Tenant cause any of its contractors, vendors,
movers or other parties conducting activities in or about or occupying the
Premises to obtain and maintain insurance as determined by Landlord and as to
which Landlord and such other parties designated by Landlord shall be additional
insureds.

          b. POLICY FORM. Each insurance policy required pursuant to Paragraph
15.a. above shall be issued by an insurance company licensed in the State of
California and with a general policyholders' rating of "A+" or better and a
financial size ranking of "Class VIII" or higher in the most recent edition of
Best's Insurance Guide. Each insurance policy, other than Tenant's workers'
compensation insurance, shall (i) provide that it may not be materially changed,
cancelled or allowed to lapse unless thirty (30) days' prior written notice to
Landlord and any other insureds designated by Landlord is first given, (ii)
provide that no act or omission of Tenant shall affect or limit the obligations
of the insurer with respect to any other insured, (iii) include all waiver of
subrogation rights endorsements necessary to effect the provisions of Paragraph
16 below, and (iv) provide that the policy and the coverage provided shall be
primary, that Landlord, although an additional insured, shall nevertheless be
entitled to recovery under such policy for any damage to Landlord or the other
Indemnitees by reason of acts or omissions of Tenant, and that any coverage
carried by Landlord shall be noncontributory with respect to policies carried by
Tenant. Each such insurance policy or a certificate thereof shall be delivered
to Landlord by Tenant on or before the effective date of such policy and
thereafter Tenant shall deliver to Landlord renewal policies or certificates at
least thirty (30) days prior to the expiration dates of expiring policies. If
Tenant fails to procure such insurance or to deliver such policies or
certificates, Landlord may, at its option, procure the same for Tenant's
account, and the cost thereof shall be paid to Landlord by Tenant upon demand.
Landlord may at any time, and from time to time, inspect and/or copy any and all
insurance policies required by this Lease.

          c. Nothing in this Paragraph 15 shall be construed as creating or
implying the existence of (i) any ownership by Tenant of any fixtures,
additions, Alterations, or improvements in or to the Premises or (ii) any right
on Tenant's part to make any addition, Alteration or improvement in or to the
Premises.

          d. LANDLORD'S INSURANCE. During the term hereof, Landlord shall keep
the Building and all Tenant Improvements to the Premises made pursuant to
Paragraph 4 hereof (but excluding any Alterations made pursuant to Paragraph 9
hereof, and any personal property, fixtures, office equipment, furniture,
artwork and other decoration not affixed to and a part of the Building) insured
through reputable insurance underwriters against perils covered by a standard
"special" insurance policy or policies as such

                                       20
<PAGE>

policies are in use as of the date of this Lease (excluding perils such as
earthquake, flood and other standard "special" policy form exclusions), if such
a policy is reasonably available, with a deductible provision, if any, that does
not materially exceed that which prudent, efficient operators of first-class
high-rise office buildings in downtown Oakland would carry from time-to-time in
the exercise of reasonable business judgment, in an amount or amounts equal to
not less than eighty percent (80%) of the full replacement value of the Building
(excluding the land and the footings, foundations and installations below the
basement level) and the Tenant Improvements made pursuant to Paragraph 4 hereof,
without deduction for depreciation, including the costs of demolition and debris
removal, or such other fire and property damage insurance as Landlord shall
reasonably determine to give substantially equal or greater protection. During
the term hereof, Landlord shall keep in force general liability insurance in the
amount and coverage as Landlord deems commercially reasonable.

          16. MUTUAL WAIVER OF SUBROGATION RIGHTS. Each party hereto hereby
releases the other respective party and, in the case of Tenant as the releasing
party, the other Indemnitees, and the respective partners, shareholders, agents,
employees, officers, directors and authorized representatives of such released
party, from any claims such releasing party may have for damage to the Building,
the Premises or any of such releasing party's fixtures, personal property,
improvements and alterations in or about the Premises, the Building or the Real
Property that is caused by or results from risks insured against under any fire
and extended coverage insurance policies actually carried by such releasing
party or deemed to be carried by such releasing party; provided, however, that
such waiver shall be limited to the extent of the net insurance proceeds payable
by the relevant insurance company with respect to such loss or damage (or in the
case of deemed coverage, the net proceeds that would have been payable). For
purposes of this Paragraph 16, Tenant shall be deemed to be carrying any of the
insurance policies required pursuant to Paragraph 15 but not actually carried by
Tenant, and Landlord shall be deemed to carry standard fire and extended
coverage policies on the Real Property. Each party hereto shall cause each such
fire and extended coverage insurance policy obtained by it to provide that the
insurance company waives all rights of recovery by way of subrogation against
the other respective party and the other released parties in connection with any
matter covered by such policy.

          17. UTILITIES.

          a. BASIC SERVICES. Landlord shall furnish the following utilities and
services ("Basic Services") for the Premises: (i) during the hours of 7 A.M. to
7 P.M. ("Business Hours") Monday through Friday (except public holidays)
("Business Days"), electricity for Building standard lighting and power suitable
for the use of the Premises for ordinary general office purposes, (ii) during
Business Hours on Business Days, heat and air conditioning required in
Landlord's judgment for the comfortable use and occupancy of the Premises for
ordinary general office purposes, (iii) unheated water for the restroom(s) and
drinking fountain(s) in the public areas serving the Premises, (iv) elevator
service to the floor(s) of the Premises by nonattended automatic elevators for
general office pedestrian usage, and (v) on Business Days, janitorial services
limited to emptying and removal of general office refuse, light vacuuming as
needed and window washing as determined by Landlord. Notwithstanding the
foregoing, however, Tenant may use water, heat, air conditioning, electric
current, elevator and janitorial service in excess of that provided in Basic
Services ("Excess Services," which shall include without limitation any power
usage other than through existing standard 110-volt AC outlets; electricity
and/or water consumed by Tenant in connection with any dedicated or supplemental
heating, ventilating and/or air conditioning, computer power, telecommunications
and/or other special units or systems of Tenant; chilled, heated or condenser
water; or water used for any purpose other than ordinary drinking and lavatory
purposes), provided that the Excess Services desired by Tenant are reasonably
available to Landlord and to the Premises (it being understood that in no event
shall Landlord be obligated to make available to the Premises more than the pro
rata share of the capacity of any Excess Service available to the Building or
the applicable floor of the Building, as the case may be), and provided further
that Tenant complies with the procedures established by Landlord from time to
time for requesting and paying for such Excess Services and with all other
provisions of this Paragraph 17. Landlord reserves the right to install in the
Premises or the Real Property electric current and/or water meters (including,
without limitation, any additional wiring, conduit or panel required therefor)
to measure the electric current or water consumed by Tenant or to cause the
usage to be measured by other reasonable methods (e.g. by temporary "check"
meters or by survey). Notwithstanding the above, (subject to any temporary
shutdown for repairs, for security purposes, for compliance with any legal
restrictions, or due to strikes, lockouts, labor disputes, fire or other
casualty, acts of God, or other causes beyond the reasonable control of
Landlord) Tenant shall have access to the Premises 24 hours a day, each day of
the Lease term.

          b. PAYMENT FOR UTILITIES AND SERVICES. The cost of Basic Services
shall be included in Operating Expenses. In addition, Tenant shall pay to
Landlord upon demand (i) the cost, at Landlord's prevailing rate, of any Excess
Services used by Tenant, (ii) the cost of installing, operating, maintaining or
repairing any meter or other device used to measure Tenant's consumption of
utilities, (iii) the cost of installing, operating, maintaining or repairing any
Temperature Balance Equipment (as defined in Paragraph 17.c. below) for the
Premises and/or any equipment required in connection with any Excess Services
requested by Tenant, and (iv) any cost otherwise incurred by Landlord in keeping
account of or determining any Excess Services used by Tenant. Landlord's failure
to bill Tenant for any of the foregoing shall not waive Landlord's right to bill
Tenant for the same at a later time.

                                       21
<PAGE>

          c. TEMPERATURE BALANCE. If the temperature otherwise maintained in any
portion of the Premises by the heating, air conditioning or ventilation system
is affected as a result of (i) the type or quantity of any lights, machines or
equipment (including without limitation typical office equipment) used by Tenant
in the Premises, (ii) the occupancy of such portion of the Premises by more than
one person per one hundred seventy-five (175) square feet of rentable area
therein, (iii) an electrical load for lighting or power in excess of the limits
specified in Paragraph 17.d. below, or (iv) any rearrangement of partitioning or
other improvements, then at Tenant's sole cost, Landlord may install any
equipment, or modify any existing equipment (including the standard air
conditioning equipment) Landlord deems necessary to restore the temperature
balance (such new equipment or modifications to existing equipment termed herein
"Temperature Balance Equipment"). Tenant agrees to keep closed, when necessary,
draperies which, because of the sun's position, must be closed to provide for
the efficient operation of the air conditioning system, and Tenant agrees to
cooperate with Landlord and to abide by the regulations and requirements which
Landlord may prescribe for the proper functioning and protection of the heating,
ventilating and air conditioning system. Landlord makes no representation to
Tenant regarding the adequacy or fitness of the heating, air conditioning or
ventilation equipment in the Building to maintain temperatures that may be
required for, or because of, any computer or communications rooms, machine
rooms, conference rooms or other areas of high concentration of personnel or
electrical usage, or any other uses other than or in excess of the fractional
horsepower normally required for office equipment, and Landlord shall have no
liability for loss or damage suffered by Tenant or others in connection
therewith.

          d. UTILITY CONNECTIONS. Tenant shall not connect or use any apparatus
or device in the Premises (i) using current in excess of 110 volts, or (ii)
which would cause Tenant's electrical demand load to exceed 1.0 watts per
rentable square foot for overhead lighting or 2.0 watts per rentable square foot
for convenience outlets, or (iii) which would exceed the capacity of the
existing panel or transformer serving the Premises. Tenant shall not connect
with electric current (except through existing outlets in the Premises or such
additional outlets as may be installed in the Premises as part of initial
improvements or Alterations approved by Landlord), or water pipes, any apparatus
or device for the purpose of using electrical current or water.

          Landlord will not permit additional coring of the floor of the
Premises in order to install new electric outlets in the Premises unless
Landlord is satisfied, on the basis of such information to be supplied by Tenant
at Tenant's expense, that coring of the floor in order to install such
additional outlets will not weaken the structure of the floor.

          e. INTERRUPTION OF SERVICES. Landlord's obligation to provide
utilities and services for the Premises are subject to the Rules and Regulations
of the Building, applicable Legal Requirements (including the rules or actions
of the public utility company furnishing the utility or service), and shutdowns
for maintenance and repairs, for security purposes, or due to strikes, lockouts,
labor disputes, fire or other casualty, acts of God, or other causes beyond the
control of Landlord. In the event of an interruption in, or failure or inability
to provide any service or utility for the Premises for any reason, such
interruption, failure or inability shall not constitute an eviction of Tenant,
constructive or otherwise, or impose upon Landlord any liability whatsoever,
including, but not limited to, liability for consequential damages or loss of
business by Tenant. Tenant hereby waives the provisions of California Civil Code
Section 1932(1) or any other applicable existing or future Legal Requirement
permitting the termination of this Lease due to such interruption, failure or
inability. Notwithstanding the foregoing, if any interruption in, or failure or
inability to provide any of the services or utilities described in Paragraph
17.a. is within Landlord's reasonable control and continues for fifteen (15) or
more consecutive days, and such interruption materially impairs Tenant's use of
the Premises for Tenant's business purposes as a result thereof, then Tenant
shall be entitled to an abatement of Monthly Rent under Paragraph 5 hereof and
Additional Rent under Paragraph 7 hereof, which abatement shall be based on the
extent of the impairment of Tenant's use the Premises.

          f. GOVERNMENTAL CONTROLS. In the event any governmental authority
having jurisdiction over the Real Property or the Building promulgates or
revises any Legal Requirement or building, fire or other code or imposes
mandatory or voluntary controls or guidelines on Landlord or the Real Property
or the Building relating to the use or conservation of energy or utilities or
the reduction of automobile or other emissions (collectively "Controls") or in
the event Landlord is required or elects to make alterations to the Real
Property or the Building in order to comply with such mandatory or voluntary
Controls, Landlord may, in its sole discretion, comply with such Controls or
make such alterations to the Real Property or the Building related thereto. Such
compliance and the making of such alterations shall not constitute an eviction
of Tenant, constructive or otherwise, or impose upon Landlord any liability
whatsoever, including, but not limited to, liability for consequential damages
or loss of business by Tenant; provided that in making any such alterations,
Landlord shall use commercially reasonable efforts to minimize any disruption to
Tenant's business in the Premises..

          18. PERSONAL PROPERTY AND OTHER TAXES. Tenant shall pay, at least ten
(10) days before delinquency, any and all taxes, fees, charges or other
governmental impositions levied or assessed against Landlord or Tenant (a) upon
Tenant's equipment, furniture, fixtures, improvements and other personal
property (including carpeting installed by Tenant) located in the Premises, (b)
by virtue of any Alterations made by Tenant to the Premises, and (c) upon this
transaction or any document to which Tenant is a party creating or transferring
an interest or an estate in the Premises. If any such fee, charge or other
governmental imposition is paid by Landlord, Tenant shall reimburse Landlord for
Landlord's payment upon demand.

                                       22
<PAGE>

          19. RULES AND REGULATIONS. Tenant shall comply with the rules and
regulations set forth on EXHIBIT B attached hereto, as such rules and
regulations may be modified or amended by Landlord from time to time (the "Rules
and Regulations"), provided that such amendments or modifications shall be
reasonable and non-discriminatory and shall not materially increase the burdens
or obligations upon Tenant. Landlord shall not be responsible to Tenant for the
nonperformance or noncompliance by any other tenant or occupant of the Building
of or with any of the Rules and Regulations. In the event of any conflict
between the Rules and Regulations and the express provisions of this Lease, the
provisions of this Lease shall control.

          20. SURRENDER; HOLDING OVER.

          a. SURRENDER. Upon the expiration or other termination of this Lease,
Tenant shall surrender the Premises to Landlord vacant and broom-clean, with all
improvements and Alterations (except as provided below) in their original
condition, except for reasonable wear and tear, damage from casualty or
condemnation and any changes resulting from approved Alterations; provided,
however, that prior to the expiration or termination of this Lease Tenant shall
remove from the Premises any Alterations that Tenant is required by Landlord to
remove under the provisions of this Lease, and all of Tenant's personal property
and trade fixtures. If such removal is not completed at the expiration or other
termination of this Lease, Landlord may remove the same at Tenant's expense. Any
damage to the Premises or the Building caused by such removal shall be repaired
promptly by Tenant (including the patching or repairing of ceilings and walls)
or, if Tenant fails to do so, Landlord may do so at Tenant's expense. The
removal of Alterations from the Premises shall be governed by Paragraph 9 above.
Tenant's obligations under this paragraph shall survive the expiration or other
termination of this Lease. Upon expiration or termination of this Lease or of
Tenant's possession, Tenant shall surrender all keys to the Premises or any
other part of the Building and shall make known to Landlord the combination of
locks on all safes, cabinets and vaults that may be located in the Premises.

          b. HOLDING OVER. If Tenant remains in possession of the Premises after
the expiration or earlier termination of this Lease with the express written
consent of Landlord, Tenant's occupancy shall be a month-to-month tenancy at a
rent agreed upon by Landlord and Tenant, but in no event less than the greater
of (i) one hundred fifty percent (150%) of the Monthly Rent and Additional Rent
payable under this Lease during the last full month prior to the date of the
expiration of this Lease or (ii) the then fair market rental (as reasonably
determined by Landlord) for the Premises. Except as provided in the preceding
sentence, the month-to-month tenancy shall be on the terms and conditions of
this Lease, except that any renewal options, expansion options, rights of first
refusal, rights of first negotiation or any other rights or options pertaining
to additional space in the Building contained in this Lease shall be deemed to
have terminated and shall be inapplicable thereto. Landlord's acceptance of rent
after such holding over with Landlord's written consent shall not result in any
other tenancy or in a renewal of the original term of this Lease. If Tenant
remains in possession of the Premises after the expiration or earlier
termination of this Lease without Landlord's consent, Tenant's continued
possession shall be on the basis of a tenancy at sufferance and Tenant shall pay
as Monthly Rent during the holdover period an amount equal to the greater of (i)
one hundred fifty percent (150%) of the fair market rental (as reasonably
determined by Landlord) for the Premises or (ii) two hundred percent (200%) of
the Monthly Rent and Additional Rent payable under this Lease for the last full
month prior to the date of such expiration or termination.

          c. INDEMNIFICATION. Tenant shall indemnify, defend and hold Landlord
harmless from and against all Claims incurred by or asserted against Landlord
and arising directly or indirectly from Tenant's failure to timely surrender the
Premises, including but not limited to (i) any rent payable by or any loss,
cost, or damages, including lost profits, claimed by any prospective tenant of
the Premises or any portion thereof, and (ii) Landlord's damages as a result of
such prospective tenant rescinding or refusing to enter into the prospective
lease of the Premises or any portion thereof by reason of such failure to timely
surrender the Premises.

          21. SUBORDINATION AND ATTORNMENT.

          a. This Lease is expressly made subject and subordinate to any
mortgage, deed of trust, ground lease, underlying lease or like encumbrance
affecting any part of the Real Property or any interest of Landlord therein
which is now existing or hereafter executed or recorded, any present or future
modification, amendment or supplement to any of the foregoing, and to any
advances made thereunder (any of the foregoing being a "Superior Interest")
without the necessity of any further documentation evidencing such
subordination. Notwithstanding the foregoing, Tenant shall, within ten (10) days
after Landlord's request, execute and deliver to Landlord a document evidencing
the subordination of this Lease to a particular Superior Interest. Tenant hereby
irrevocably appoints Landlord as Tenant's attorney-in-fact to execute and
deliver any such instrument in the name of Tenant if Tenant fails to do so
within such time. If the interest of Landlord in the Real Property or the
Building is transferred to any person ("Purchaser") pursuant to or in lieu of
proceedings for enforcement of any Superior Interest, Tenant shall immediately
and automatically attorn to the Purchaser, and this Lease shall continue in full
force and effect as a direct lease between the Purchaser and Tenant on the terms
and conditions set forth herein. Notwithstanding the foregoing, if a Superior
Interest is created following the execution of this Lease, Landlord's delivery
to Tenant of a non-disturbance agreement on such holder's standard institutional
form shall be a condition to the subordination of this Lease

                                       23
<PAGE>

thereto, provided that Tenant pays any fees or charges required by such holder
in order to obtain such non-disturbance agreement.

          b. At Tenant's written request, Landlord shall request that the holder
of any Superior Interest in place as of the date of this Lease execute a written
"non-disturbance agreement" on Tenant's behalf providing that, if Tenant is not
in default under this Lease beyond any applicable grace period, that such party
will recognize this Lease and Tenant's rights hereunder and will not disturb
Tenant's possession hereunder, and if this Lease is by operation of law
terminated in a foreclosure, that a new lease will be entered into on the same
terms as this Lease for the remaining term hereof. The failure of such holder of
a Superior Interest to execute and deliver such a non-disturbance agreement upon
Landlord's request shall not constitute a default hereunder by Landlord, it
being understood that Landlord's sole obligation is to request in good faith the
execution and delivery of such agreement. Further, if in order to obtain such
non-disturbance agreement, Landlord is required to expend any sum, Landlord
shall so notify Tenant and Tenant may elect to pay such sum or withdraw its
request for a non-disturbance agreement. In no event shall Landlord be required
to expend any sums in connection therewith.

          22. FINANCING CONDITION. If any lender or ground lessor that intends
to acquire an interest in, or holds a mortgage, ground lease or deed of trust
encumbering any portion of the Real Property should require either the execution
by Tenant of an agreement requiring Tenant to send such lender written notice of
any default by Landlord under this Lease, giving such lender the right to cure
such default within any period afforded to Landlord to cure the same and
preventing Tenant from terminating this Lease unless such default remains
uncured after such period, then Tenant agrees that it shall, within ten (10)
days after Landlord's request, execute and deliver such agreement. Tenant
acknowledges and agrees that its failure to timely execute any such agreement or
modification required by such lender or ground lessor may cause Landlord serious
financial damage by causing the failure of a financing transaction and giving
Landlord all of its rights and remedies under Paragraph 25 below, including its
right to damages caused by the loss of such financing , but only to the extent
any such loss is attributable solely or primarily to Tenant's failure to execute
any such agreement.

          23. ENTRY BY LANDLORD. Landlord may, at any and all reasonable times,
and upon reasonable advance notice (provided that no advance notice need be
given if an emergency necessitates an immediate entry or prior to entry to
provide routine janitorial services), enter the Premises to (a) inspect the same
and to determine whether Tenant is in compliance with its obligations hereunder,
(b) supply janitorial and any other service Landlord is required to provide
hereunder, (c) show the Premises to prospective lenders, purchasers or tenants,
(d) post notices of nonresponsibility, and (e) alter, improve or repair the
Premises or any other portion of the Real Property. In connection with any such
alteration, improvement or repair, Landlord may erect in the Premises or
elsewhere in the Real Property scaffolding and other structures reasonably
required for the work to be performed. In no event shall such entry or work
entitle Tenant to an abatement of rent, constitute an eviction of Tenant,
constructive or otherwise, or impose upon Landlord any liability whatsoever,
including but not limited to liability for consequential damages or loss of
business or profits by Tenant; provided, however, that Landlord shall use good
faith efforts to cause all such work to be done in such a manner as to cause as
little interference to Tenant as reasonably possible without incurring
additional expense. Landlord shall at all times retain a key with which to
unlock all of the doors in the Premises, except Tenant's vaults and safes. If an
emergency necessitates immediate access to the Premises, Landlord may use
whatever force is necessary to enter the Premises and any such entry to the
Premises shall not constitute a forcible or unlawful entry into the Premises, a
detainer of the Premises, or an eviction of Tenant from the Premises, or any
portion thereof.

          24. INSOLVENCY OR BANKRUPTCY. The occurrence of any of the following
shall constitute an Event of Default under Paragraph 25 below:

          1. Tenant ceases doing business as a going concern, makes an
assignment for the benefit of creditors, is adjudicated an insolvent, files a
petition (or files an answer admitting the material allegations of such
petition) seeking for Tenant any reorganization, arrangement, composition,
readjustment, liquidation, dissolution or similar arrangement under any state or
federal bankruptcy or other law, or Tenant consents to or acquiesces in the
appointment, pursuant to any state or federal bankruptcy or other law, of a
trustee, receiver or liquidator for the Premises, for Tenant or for all or any
substantial part of Tenant's assets; or

          2. Tenant fails within sixty (60) days after the commencement of any
proceedings against Tenant seeking reorganization, arrangement, composition,
readjustment, liquidation, dissolution or similar relief under any state or
federal bankruptcy or other Legal Requirement, to have such proceedings
dismissed, or Tenant fails, within sixty (60) days after an appointment pursuant
to any state or federal bankruptcy or other Legal Requirement without Tenant's
consent or acquiescence, of any trustee, receiver or liquidator for the
Premises, for Tenant or for all or any substantial part of Tenant's assets, to
have such appointment vacated; or

          3. Tenant is unable, or admits in writing its inability, to pay its
debts as they mature; or

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<PAGE>

          4. Tenant gives notice to any governmental body of its insolvency or
pending insolvency, or of its suspension or pending suspension of operations.

          In no event shall this Lease be assigned or assignable by reason of
any voluntary or involuntary bankruptcy, insolvency or reorganization
proceedings, nor shall any rights or privileges hereunder be an asset of Tenant,
the trustee, debtor-in-possession, or the debtor's estate in any bankruptcy,
insolvency or reorganization proceedings.

          25. DEFAULT AND REMEDIES.

          a. EVENTS OF DEFAULT. The occurrence of any of the following shall
constitute an "Event of Default" by Tenant:

               1. Tenant fails to pay when due Monthly Rent, Additional Rent or
any other rent due hereunder (provided that the first two (2) occurrences of
such a delinquency in any twenty-four (24)- month period that ends on the date
of such occurrence shall be an Event of Default only if Tenant fails to cure
such delinquency within five (5) days of written notice from Landlord thereof);
or

               2. Tenant abandons the Premises or vacates the Premises for more
than sixty (60) consecutive days without providing Landlord with written notice
of an alternate address for notices to Tenant under this Lease (other than the
Premises); or

               3. Tenant fails to deliver any estoppel certificate pursuant to
Paragraph 29 below, subordination agreement pursuant to Paragraph 21 above, or
document required pursuant to Paragraph 22 above, within the applicable period
set forth therein; or

               4. Tenant violates the bankruptcy and insolvency provisions of
Paragraph 24 above; or

               5. Tenant makes or has made or furnishes or has furnished any
warranty, representation or statement to Landlord in connection with this Lease,
or any other agreement made by Tenant for the benefit of Landlord, which is or
was false or misleading in any material respect when made or furnished; or

               6. Tenant assigns this Lease or subleases any portion of the
Premises in violation of Paragraph 13 above; or

               7. Tenant fails to comply with any other provision of this Lease
(including Paragraphs 55 and 56) in the manner and within the time required, or,
with respect to matters which do not pose a health, safety or security risk and
do not annoy other tenants, Tenant fails to comply within thirty (30) calendar
days after written notice of such failure (or if the noncompliance can be cured
but cannot by its nature be cured within the 30-day period, if Tenant fails to
commence to cure such noncompliance within the 30-day period and thereafter
diligently prosecute such cure to completion).

          b. REMEDIES. Upon the occurrence of an Event of Default Landlord shall
have the following remedies, which shall not be exclusive but shall be
cumulative and shall be in addition to any other remedies now or hereafter
allowed by law:

               1. Landlord may terminate Tenant's right to possession of the
Premises at any time by written notice to Tenant. Tenant expressly acknowledges
that in the absence of such written notice from Landlord, no other act of
Landlord, including, but not limited to, its re-entry into the Premises, its
efforts to relet the Premises, its reletting of the Premises for Tenant's
account, its storage of Tenant's personal property and trade fixtures, its
acceptance of keys to the Premises from Tenant, its appointment of a receiver,
or its exercise of any other rights and remedies under this Paragraph 25 or
otherwise at law, shall constitute an acceptance of Tenant's surrender of the
Premises or constitute a termination of this Lease or of Tenant's right to
possession of the Premises.

          Upon such termination in writing of Tenant's right to possession of
the Premises, this Lease shall terminate and Landlord shall be entitled to
recover damages from Tenant as provided in California Civil Code Section 1951.2
or any other applicable existing or future Legal Requirement providing for
recovery of damages for such breach, including but not limited to the following:

                    (i) The reasonable cost of recovering the Premises; plus

                    (ii) The reasonable cost of removing Tenant's Alterations,
trade fixtures and improvements; plus

                    (iii) All unpaid rent due or earned hereunder prior to the
date of termination, less the proceeds of any reletting or any rental received
from subtenants prior to the date of termination applied as provided in
Paragraph 25.b.2. below, together with interest at the Interest Rate, on such
sums from the date such rent is due and payable until the date of the award of
damages; plus

                                       25
<PAGE>

                    (iv) The amount by which the rent which would be payable by
Tenant hereunder, including Additional Rent under Paragraph 7 above, as
reasonably estimated by Landlord, from the date of termination until the date of
the award of damages, exceeds the amount of such rental loss as Tenant proves
could have been reasonably avoided, together with interest at the Interest Rate
on such sums from the date such rent is due and payable until the date of the
award of damages; plus

                    (v) The amount by which the rent which would be payable by
Tenant hereunder, including Additional Rent under Paragraph 7 above, as
reasonably estimated by Landlord, for the remainder of the then term, after the
date of the award of damages exceeds the amount such rental loss as Tenant
proves could have been reasonably avoided, discounted at the discount rate
published by the Federal Reserve Bank of San Francisco for member banks at the
time of the award plus one percent (1%); plus

                    (vi) Such other amounts in addition to or in lieu of the
foregoing as may be permitted from time to time by applicable law, including
without limitation any other amount necessary to compensate Landlord for all the
detriment proximately caused by Tenant's failure to perform its obligations
under this Lease or which in the ordinary course of things would be likely to
result therefrom.

               2. Landlord has the remedy described in California Civil Code
Section 1951.4 (a landlord may continue the lease in effect after the tenant's
breach and abandonment and recover rent as it becomes due, if the tenant has the
right to sublet and assign subject only to reasonable limitations), and may
continue this Lease in full force and effect and may enforce all of its rights
and remedies under this Lease, including, but not limited to, the right to
recover rent as it becomes due. After the occurrence of an Event of Default,
Landlord may enter the Premises without terminating this Lease and sublet all or
any part of the Premises for Tenant's account to any person, for such term
(which may be a period beyond the remaining term of this Lease), at such rents
and on such other terms and conditions as Landlord deems advisable. In the event
of any such subletting, rents received by Landlord from such subletting shall be
applied (i) first, to the payment of the costs of maintaining, preserving,
altering and preparing the Premises for subletting, the other costs of
subletting, including but not limited to brokers' commissions, attorneys' fees
and expenses of removal of Tenant's personal property, trade fixtures and
Alterations; (ii) second, to the payment of rent then due and payable hereunder;
(iii) third, to the payment of future rent as the same may become due and
payable hereunder; (iv) fourth, the balance, if any, shall be paid to Tenant
upon (but not before) expiration of the term of this Lease. If the rents
received by Landlord from such subletting, after application as provided above,
are insufficient in any month to pay the rent due and payable hereunder for such
month, Tenant shall pay such deficiency to Landlord monthly upon demand.
Notwithstanding any such subletting for Tenant's account without termination,
Landlord may at any time thereafter, by written notice to Tenant, elect to
terminate this Lease by virtue of a previous Event of Default.

          During the continuance of an Event of Default, for so long as Landlord
does not terminate Tenant's right to possession of the Premises and subject to
Paragraph 13, entitled Assignment and Subletting, and the options granted to
Landlord thereunder, Landlord shall not unreasonably withhold its consent to an
assignment or sublease of Tenant's interest in the Premises or in this Lease.

               3. During the continuance of an Event of Default and after
lawfully obtaining possession of the Premises, Landlord may enter the Premises
without terminating this Lease and remove all Tenant's personal property,
Alterations and trade fixtures from the Premises and store them at Tenant's risk
and expense, in compliance with all applicable laws. If Landlord removes such
property from the Premises and stores it at Tenant's risk and expense, and if
Tenant fails to pay the cost of such removal and storage after written demand
therefor and/or to pay any rent then due, then after the property has been
stored for a period of thirty (30) days or more Landlord may sell such property
at public or private sale, in the manner and at such times and places as
Landlord deems commercially reasonable following reasonable notice to Tenant of
the time and place of such sale. The proceeds of any such sale shall be applied
first to the payment of the expenses for removal and storage of the property,
the preparation for and the conducting of such sale, and for attorneys' fees
and other legal expenses incurred by Landlord in connection therewith, and the
balance shall be applied as provided in Paragraph 25.b.2. above.

          Provided the same is done in compliance with all applicable laws,
Tenant hereby waives all claims for damages that may be caused by Landlord's
reentering and taking possession of the Premises or removing and storing
Tenant's personal property pursuant to this Paragraph 25, and Tenant shall
indemnify, defend and hold Landlord harmless from and against any and all Claims
resulting from any such act. No reentry by Landlord shall constitute or be
construed as a forcible entry by Landlord.

               4. Landlord may require Tenant to remove any and all Alterations
from the Premises or, if Tenant fails to do so within ten (10) days after
Landlord's request, Landlord may do so at Tenant's expense.

               5. Landlord may cure the Event of Default at Tenant's expense, it
being understood that such performance shall not waive or cure the subject Event
of Default. If Landlord pays any sum or incurs any expense in curing the Event
of Default, Tenant shall reimburse Landlord upon demand for the amount of such
payment or expense with interest at the Interest Rate from the date the sum is
paid or the

                                       26
<PAGE>

expense is incurred until Landlord is reimbursed by Tenant. Any amount due
Landlord under this subsection shall constitute additional rent hereunder.

               c. WAIVER OF REDEMPTION. Tenant hereby waives, for itself and all
persons claiming by and under Tenant, all rights and privileges which it might
have under any present or future Legal Requirement to redeem the Premises or to
continue this Lease after being dispossessed or ejected from the Premises.

          26. DAMAGE OR DESTRUCTION. If all or a part of the Real Property is
damaged by fire or other casualty, and the damage can, in Landlord's reasonable
opinion, be repaired within one hundred twenty (120) days of the damage, then
this Lease shall remain in full force and effect. If the repairs cannot, in
Landlord's opinion, be made within the one hundred twenty (120)-day period,
Landlord at its option exercised by written notice to Tenant within the one
hundred twenty (120)-day period, may terminate this Lease as of the date
specified by Landlord in the notice, which date shall be not less than thirty
(30) days nor more than sixty (60) days after the date such notice is given, and
this Lease shall terminate on the date specified in the notice. If Landlord does
not give notice terminating this Lease, and, if the damage is to the Premises or
access to or use and occupancy of the Premises is materially impaired as a
result of the damage, Landlord shall repair the damage (provided, however, that
Landlord shall not be required to repair or restore any personal property,
fixtures or Alterations, as defined in Paragraph 9 above).

          If all or a part of the Premises are damaged by fire or other
casualty, or if the Building is so damaged that access to or use and occupancy
of the Premises is materially impaired, Landlord shall promptly give Tenant
notice of Landlord's reasonable estimate of the time required to make such
repairs (the "Damage Estimate"). If the Damage Estimate is more than one hundred
eighty (180) days, and Landlord does not give notice terminating this Lease (as
provided above), then Tenant may give notice to Landlord, within thirty (30)
calendar days after Tenant receives the Damage Estimate, terminating this Lease
as of the date of such fire or casualty.

          Notwithstanding anything to the contrary contained in this Paragraph
26, if the initial Damage Estimate is more than ninety (90) days, and the date
on which Landlord reasonably anticipates the repairs of such damage will be
completed is during the last twelve (12) months of the Lease term, Landlord and
Tenant shall each have the option to terminate this Lease as of the date of such
damage by giving written notice to the other, in the case of Landlord together
with the Damage Estimate, or, in the case of Tenant, within thirty (30) days of
Tenant's receipt of the Damage Estimate.

          Notwithstanding anything to the contrary in this Paragraph 26, if
damage which would otherwise lead to a right to terminate this Lease results
from the willful misconduct of Landlord or Tenant, the party from whose
misconduct such damage results shall have no right to terminate this Lease.

          If the fire or other casualty damages the Premises or the common areas
of the Real Property necessary for Tenant's use and occupancy of the Premises,
Tenant ceases to use any portion of the Premises as a result of such damage, and
the damage does not result from the negligence or willful misconduct of Tenant
or any other Tenant Parties, then during the period the Premises or portion
thereof are rendered unusable by such damage and repair, Tenant's Monthly Rent
and Additional Rent under Paragraphs 5 and 7 above shall be proportionately
reduced based upon the extent to which the damage and repair prevents Tenant
from conducting, and Tenant does not conduct, its business at the Premises.
Landlord shall not be obligated to repair or replace any of Tenant's movable
furniture, equipment, trade fixtures, and other personal property, nor any
Alterations installed in the Premises by Tenant, and no damage to any of the
foregoing shall entitle Tenant to any abatement, and Tenant shall, at Tenant's
sole cost and expense, repair and replace such items. All such repair and
replacement of Alterations shall be constructed in accordance with Paragraph 9
above regarding Alterations.

          A total destruction of the Building shall automatically terminate this
Lease. In no event shall Tenant be entitled to any compensation or damages from
Landlord for loss of use of the whole or any part of the Premises or for any
inconvenience occasioned by any such destruction, rebuilding or restoration of
the Premises, the Building or access thereto, except for the rent abatement
expressly provided above. Tenant hereby waives California Civil Code Sections
1932(2) and 1933(4), providing for termination of hiring upon destruction of the
thing hired and Sections 1941 and 1942, providing for repairs to and of
premises.

          27. EMINENT DOMAIN.

               a. If all or any part of the Premises are taken by any public or
quasi-public authority under the power of eminent domain, or any agreement in
lieu thereof (a "taking"), this Lease shall terminate as to the portion of the
Premises taken effective as of the date of taking. If only a portion of the
Premises is taken, Landlord or Tenant may terminate this Lease as to the
remainder of the Premises upon written notice to the other party within ninety
(90) days after the taking; provided, however, that Tenant's right to terminate
this Lease is conditioned upon the remaining portion of the Premises being of
such size or configuration that such remaining portion of the Premises is
unusable or uneconomical for Tenant's business. Landlord shall be entitled to
all compensation, damages, income, rent awards and interest thereon whatsoever
which may be paid or made in connection with any taking and Tenant shall have no
claim against Landlord or any governmental authority for the value of any
unexpired term of this Lease or of any of the improvements or

                                       27
<PAGE>

Alterations in the Premises; provided, however, that the foregoing shall not
prohibit Tenant from prosecuting a separate claim against the taking authority
for an amount separately designated for Tenant's relocation expenses or the
interruption of or damage to Tenant's business or as compensation for Tenant's
personal property, trade fixtures, Alterations or other improvements paid for by
Tenant so long as any award to Tenant will not reduce the award to Landlord.

          In the event of a partial taking of the Premises which does not result
in a termination of this Lease, the Monthly Rent and Additional Rent under
Paragraphs 5 and 7 hereunder shall be equitably reduced. If all or any part of
the Real Property other than the Premises is taken, Landlord may terminate this
Lease upon written notice to Tenant given within ninety (90) days after the date
of taking; provided, however, that Landlord shall not terminate this Lease as a
result of such taking, unless it also exercises any comparable rights to
terminate the leases of all tenants in the Building that are similarly affected
by the taking (as determined by Landlord in its reasonable judgment).

               b. Notwithstanding the foregoing, if all or any portion of the
Premises is taken for a period of time ending prior to the end of the term of
this Lease, this Lease shall remain in full force and effect and Tenant shall
continue to pay all rent and to perform all of its obligations under this Lease;
provided, however, that Tenant shall be entitled to all compensation, damages,
income, rent awards and interest thereon that is paid or made in connection with
such temporary taking of the Premises (or portion thereof), except that any such
compensation in excess of the rent or other amounts payable to Landlord
hereunder shall be promptly paid over to Landlord as received. Landlord and
Tenant each hereby waive the provisions of California Code of Civil Procedure
Section 1265.130 and any other applicable existing or future Legal Requirement
providing for, or allowing either party to petition the courts of the state in
which the Real Property is located for, a termination of this Lease upon a
partial taking of the Premises and/or the Building.

          28. LANDLORD'S LIABILITY; SALE OF BUILDING. The term "Landlord," as
used in this Lease, shall mean only the owner or owners of the Real Property at
the time in question. Notwithstanding any other provision of this Lease, the
liability of Landlord for its obligations under this Lease is limited solely to
Landlord's interest in the Real Property as the same may from time to time be
encumbered, and no personal liability shall at any time be asserted or
enforceable against any other assets of Landlord or against the constituent
shareholders, partners or other owners of Landlord, or the directors, officers,
employees and agents of Landlord or such constituent shareholder, partner or
other owner, on account of any of Landlord's obligations or actions under this
Lease. In addition, in the event of any conveyance of title to the Real
Property, then the grantor or transferor shall be relieved of all liability with
respect to Landlord's obligations to be performed under this Lease after the
date of such conveyance (other than Landlord's obligation to return the security
deposit, to the extent that the grantor or transferor fails to transfer such
security deposit to the grantee or transferee). In no event shall Landlord be
deemed to be in default under this Lease unless Landlord fails to perform its
obligations under this Lease, Tenant delivers to Landlord written notice
specifying the nature of Landlord's alleged default, and Landlord fails to cure
such default within thirty (30) days following receipt of such notice (or, if
the default cannot reasonably be cured within such period, to commence action
within such thirty (30)-day period and proceed diligently thereafter to cure
such default). Upon any conveyance of title to the Real Property, the grantee or
transferee shall be deemed to have assumed Landlord's obligations to be
performed under this Lease from and after the date of such conveyance, subject
to the limitations on liability set forth above in this Paragraph 28. If Tenant
provides Landlord with any security for Tenant's performance of its obligations
hereunder, and Landlord transfers such security to the grantee or transferee of
Landlord's interest in the Real Property, Landlord shall be released from any
further responsibility or liability for such security. Notwithstanding any other
provision of this Lease, but not in limitation of the provisions of Paragraph
14.a. above, Landlord shall not be liable for any consequential damages or
interruption or loss of business, income or profits, or claims of constructive
eviction, nor shall Landlord be liable for loss of or damage to artwork,
currency, jewelry, bullion, unique or valuable documents, securities or other
valuables, or for other property not in the nature of ordinary fixtures,
furnishings and equipment used in general administrative and executive office
activities and functions. Wherever in this Lease Tenant (a) releases Landlord
from any claim or liability, (b) waives or limits any right of Tenant to assert
any claim against Landlord or to seek recourse against any property of Landlord
or (c) agrees to indemnify Landlord against any matters, the relevant release,
waiver, limitation or indemnity shall run in favor of and apply to Landlord, the
constituent shareholders, partners or other owners of Landlord, and the
directors, officers, employees and agents of Landlord and each such constituent
shareholder, partner or other owner.

          29. ESTOPPEL CERTIFICATES. At any time and from time to time, upon not
less than ten (10) days' prior notice from Landlord, Tenant shall execute,
acknowledge and deliver to Landlord a statement certifying the commencement date
of this Lease, stating that this Lease is unmodified and in full force and
effect (or if there have been modifications, that this Lease is in full force
and effect as modified and the date and nature of each such modification), that
Landlord is not in default under this Lease (or, if Landlord is in default,
specifying the nature of such default), that Tenant is not in default under this
Lease (or if Tenant is in default, specifying the nature of such default), the
current amounts of and the dates to which the Monthly Rent and Additional Rent
has been paid, and setting forth such other matters as may be reasonably
requested by Landlord. Any such statement may be conclusively relied upon by a
prospective purchaser of the Real Property or by a lender obtaining a lien on
the Real Property as security. If Tenant fails to deliver such statement within
the time required hereunder, such failure shall be conclusive upon Tenant that
(i) this Lease is in full force and effect, without modification except as may
be represented by Landlord, (ii) to the best

                                       28
<PAGE>

of Tenant's knowledge, there are no uncured defaults in Landlord's performance
of its obligations hereunder, (iii) not more than one month's installment of
Monthly Rent has been paid in advance, and (iv) any other statements of fact
included by Landlord in such statement are correct. Tenant acknowledges and
agrees that if Tenant fails to execute any such certificate within the period
described above, and thereafter Tenant does not deliver such executed document
within ten (10) days of written notice from Landlord of such failure, such
failure may cause Landlord serious financial damage by causing the failure of a
sale or financing transaction and giving Landlord all of its rights and remedies
under Paragraph 25 above, including its right to damages caused by the loss of
such sale or financing , but only to the extent any such loss is attributable
solely or primarily to Tenant's failure to deliver any such certificate.

          30. RIGHT OF LANDLORD TO PERFORM. If Tenant fails to make any payment
required hereunder (other than Monthly Rent and Additional Rent) or fails to
perform any other of its obligations hereunder, then, upon five (5) days prior
written notice to Tenant (provided that no prior notice shall be required if
waiting for such period to expire would jeopardize the health, safety or
enjoyment of the Building by its tenants and occupants or cause further damage
or loss to Landlord or the Real Property), Landlord may, but shall not be
obliged to, and without waiving any default of Tenant or releasing Tenant from
any obligations to Landlord hereunder, make any such payment or perform any
other such obligation on Tenant's behalf. All sums so paid by Landlord and all
necessary incidental costs in connection with the performance by Landlord of an
obligation of Tenant (together with interest thereon from the date of such
payment by Landlord until paid at the Interest Rate) shall be payable by Tenant
to Landlord upon demand, and Tenant's failure to make such payment upon demand
shall entitle Landlord to the same rights and remedies provided Landlord in the
event of non-payment of rent.

          31. LATE CHARGE. Tenant acknowledges that late payment of any
installment of Monthly Rent or Additional Rent or any other amount required
under this Lease will cause Landlord to incur costs not contemplated by this
Lease and that the exact amount of such costs would be extremely difficult and
impracticable to fix. Such costs include, without limitation, processing and
accounting charges, late charges that may be imposed on Landlord by the terms of
any encumbrance or note secured by the Real Property and the loss of the use of
the delinquent funds. Therefore, if any installment of Monthly Rent or
Additional Rent or any other amount due from Tenant is not received when due,
Tenant shall pay to Landlord on demand, on account of the delinquent payment, an
additional sum equal to the greater of (i) five percent (5%) of the overdue
amount, or (ii) $100.00, which additional sum represents a fair and reasonable
estimate of the costs that Landlord will incur by reason of late payment by
Tenant (provided that such charge shall be imposed with respect to the first
occurrence of such a delinquency in any twelve (12)-month period only if Tenant
fails to cure such delinquency within five (5) days of written notice from
Landlord thereof). Acceptance of any late charge shall not constitute a waiver
of Tenant's default with respect to the overdue amount, nor prevent Landlord
from exercising its right to collect interest as provided above, rent, or any
other damages, or from exercising any of the other rights and remedies available
to Landlord.

          32. ATTORNEYS' FEES; WAIVER OF JURY TRIAL. In the event of any action
or proceeding between Landlord and Tenant (including an action or proceeding
between Landlord and the trustee or debtor in possession while Tenant is a
debtor in a proceeding under any bankruptcy law) to enforce any provision of
this Lease, the losing party shall pay to the prevailing party all costs and
expenses, including, without limitation, reasonable attorneys' fees and
expenses, incurred in such action and in any appeal in connection therewith by
such prevailing party. The "prevailing party" will be determined by the court
before whom the action was brought based upon an assessment of which party's
major arguments or positions taken in the suit or proceeding could fairly be
said to have prevailed over the other party's major arguments or positions on
major disputed issues in the court's decision. Notwithstanding the foregoing,
however, Landlord shall be deemed the prevailing party in any unlawful detainer
or other action or proceeding instituted by Landlord based upon any default or
alleged default of Tenant hereunder if (i) judgment is entered in favor of
Landlord, or (ii) prior to trial or judgment Tenant pays all or any portion of
the rent claimed by Landlord, vacates the Premises, or otherwise cures the
default claimed by Landlord.

          If Landlord becomes involved in any litigation or dispute, threatened
or actual, by or against anyone not a party to this Lease, but arising by reason
of or related to any act or omission of Tenant or any Tenant Party, Tenant
agrees to pay Landlord's reasonable attorneys' fees and other costs incurred in
connection with the litigation or dispute, regardless of whether a lawsuit is
actually filed.

          IF ANY ACTION OR PROCEEDING BETWEEN LANDLORD AND TENANT TO ENFORCE THE
PROVISIONS OF THIS LEASE (INCLUDING AN ACTION OR PROCEEDING BETWEEN LANDLORD AND
THE TRUSTEE OR DEBTOR IN POSSESSION WHILE TENANT IS A DEBTOR IN A PROCEEDING
UNDER ANY BANKRUPTCY LAW) PROCEEDS TO TRIAL, LANDLORD AND TENANT HEREBY WAIVE
THEIR RESPECTIVE RIGHTS TO A JURY IN SUCH TRIAL. Landlord and Tenant agree that
this paragraph constitutes a written consent to waiver of trial by jury within
the meaning of California Code of Civil Procedure Section 631(a)(2), and Tenant
does hereby authorize and empower Landlord to file this paragraph and/or this
Lease, as required, with the clerk or judge of any court of competent
jurisdiction as a written consent to waiver of jury trial.

          33. WAIVER. No provisions of this Lease shall be deemed waived by
Landlord or Tenant unless such waiver is in a writing signed by the party giving
such waiver. The waiver by either party of any breach of any provision of this
Lease by the other party shall not be deemed a waiver of any subsequent

                                       29
<PAGE>

breach of the same or any other provision of this Lease. No delay or omission in
the exercise of any right or remedy of Landlord upon any default by Tenant, or
of Tenant upon any default of Landlord, shall impair such right or remedy or be
construed as a waiver. Landlord's acceptance of any payments of rent due under
this Lease shall not be deemed a waiver of any default by Tenant under this
Lease (including Tenant's recurrent failure to timely pay rent) other than
Tenant's nonpayment of the accepted sums, and no endorsement or statement on any
check or accompanying any check or payment shall be deemed an accord and
satisfaction. Tenant's payment of rent due and Tenant's continuance in
possession shall not constitute a waiver by Tenant of any default of Landlord.
Landlord's consent to or approval of any act by Tenant requiring Landlord's
consent or approval shall not be deemed to waive or render unnecessary
Landlord's consent to or approval of any subsequent act by Tenant.

          34. NOTICES. All notices and demands which may or are required to be
given by either party to the other hereunder shall be in writing. All notices
and demands by Landlord to Tenant shall be delivered personally or sent by
United States mail, postage prepaid, or by any reputable overnight or same-day
courier, addressed to Tenant at the Premises, or to such other place as Tenant
may from time to time designate by notice to Landlord hereunder. All notices and
demands by Tenant to Landlord shall be sent by United States mail, postage
prepaid, or by any reputable overnight or same-day courier, addressed to
Landlord in care of Shorenstein Company, L.P., 555 California Street, 49th
floor, San Francisco, California 94104, or to such other place as Landlord may
from time to time designate by notice to Tenant hereunder. Notices delivered
personally or sent same-day courier will be effective immediately upon delivery
to the addressee at the designated address; notices sent by overnight courier
will be effective one (1) Business Day after acceptance by the service for
delivery; notices sent by mail will be effective two (2) Business Days after
mailing. In the event Tenant requests multiple notices hereunder, Tenant will be
bound by such notice from the earlier of the effective times of the multiple
notices.

          35. DELETED.

          36. DEFINED TERMS AND MARGINAL HEADINGS. When required by the context
of this Lease, the singular includes the plural. If more than one person or
entity signs this Lease as Tenant, the obligations hereunder imposed upon Tenant
shall be joint and several, and the act of, written notice to or from, refund
to, or signature of, any Tenant signatory to this Lease (including without
limitation modifications of this Lease made by fewer than all such Tenant
signatories) shall bind every other Tenant signatory as though every other
Tenant signatory had so acted, or received or given the written notice or
refund, or signed. The headings and titles to the paragraphs of this Lease are
for convenience only and are not to be used to interpret or construe this Lease.
Wherever the term "including" or "includes" is used in this Lease it shall be
construed as if followed by the phrase "without limitation." The language in all
parts of this Lease shall in all cases be construed as a whole and in accordance
with its fair meaning and not construed for or against any party simply because
one party was the drafter thereof.

          37. TIME AND APPLICABLE LAW. Time is of the essence of this Lease and
of each and all of its provisions, except as to the conditions relating to the
delivery of possession of the Premises to Tenant. This Lease shall be governed
by and construed in accordance with the laws of the State of California, and the
venue of any action or proceeding under this Lease shall be the City and County
of San Francisco, California.

          38. SUCCESSORS. Subject to the provisions of Paragraphs 13 and 28
above, the covenants and conditions hereof shall be binding upon and inure to
the benefit of the parties hereto and their respective heirs, personal
representatives, successors, executors, administrators and assigns.

          39. ENTIRE AGREEMENT; MODIFICATIONS. This Lease (including any
exhibit, rider or attachment hereto) constitutes the entire agreement between
Landlord and Tenant with respect to Tenant's lease of the Premises. No provision
of this Lease may be amended or otherwise modified except by an agreement in
writing signed by the parties hereto. Neither Landlord nor Landlord's agents
have made any representations or warranties with respect to the Premises, the
Building, the Real Property or this Lease except as expressly set forth herein,
including without limitation any representations or warranties as to the
suitability or fitness of the Premises for the conduct of Tenant's business or
for any other purpose, nor has Landlord or its agents agreed to undertake any
alterations or construct any improvements to the Premises except those, if any,
expressly provided in this Lease, and no rights, easements or licenses shall be
acquired by Tenant by implication or otherwise unless expressly set forth
herein. Neither this Lease nor any memorandum hereof shall be recorded by
Tenant.

          40. LIGHT AND AIR. Tenant agrees that no diminution of light, air or
view by any structure which may hereafter be erected (whether or not by
Landlord) shall entitle Tenant to any reduction of rent hereunder, result in any
liability of Landlord to Tenant, or in any other way affect this Lease.

          41. NAME OF BUILDING. Tenant shall not use the name of the Building
for any purpose other than as the address of the business conducted by Tenant in
the Premises without the written consent of Landlord. Landlord reserves the
right to change the name of the Building at any time in its sole discretion by
written notice to Tenant and Landlord shall not be liable to Tenant for any
loss, cost or expense on account of any such change of name.

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<PAGE>

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

          43. AUTHORITY. If Tenant is a corporation, partnership, trust,
association or other entity, Tenant and each person executing this Lease on
behalf of Tenant, hereby covenants and warrants that (a) Tenant is duly
incorporated or otherwise established or formed and validly existing under the
laws of its state of incorporation, establishment or formation, (b) Tenant has
and is duly qualified to do business in the state in which the Real Property is
located, (c) Tenant has full corporate, partnership, trust, association or other
appropriate power and authority to enter into this Lease and to perform all
Tenant's obligations hereunder, and (d) each person (and all of the persons if
more than one signs) signing this Lease on behalf of Tenant is duly and validly
authorized to do so.

          44. NO OFFER. Submission of this instrument for examination and
signature by Tenant does not constitute an offer to lease or a reservation of or
option for lease, and is not effective as a lease or otherwise until execution
and delivery by both Landlord and Tenant.

          45. REAL ESTATE BROKERS. Landlord and Tenant each represents and
warrants to the other that such party has negotiated this Lease directly with
the Real Estate Brokers identified in Paragraph 2 and has not authorized or
employed, or acted by implication to authorize or to employ, any other real
estate broker or salesman to act for such party in connection with this Lease.
Each party shall hold the other harmless from and indemnify and defend the other
against any and all claims by any real estate broker or salesman other than the
Real Estate Brokers identified in Paragraph 2 for a commission, finder's fee or
other compensation as a result of the inaccuracy of such party's representation
above.

          46. CONSENTS AND APPROVALS. Wherever the consent, approval, judgment
or determination of Landlord is required or permitted under this Lease, Landlord
may exercise its sole discretion in granting or withholding such consent or
approval or in making such judgment or determination without reference to any
extrinsic standard of reasonableness, unless the provision providing for such
consent, approval, judgment or determination specifies that Landlord's consent
or approval is not to be unreasonably withheld, or that the standard for such
consent, approval, judgment or determination is to be reasonable, or otherwise
specifies the standards under which Landlord may withhold its consent. Whenever
Tenant requests Landlord to take any action or give any consent or approval,
Tenant shall reimburse Landlord for all of Landlord's costs incurred in
reviewing the proposed action or consent (whether or not Landlord consents to
any such proposed action), including without limitation reasonable attorneys' or
consultants' fees and expenses, within ten (10) days after Landlord's delivery
to Tenant of a statement of such costs. If it is determined that Landlord failed
to give its consent or approval where it was required to do so under this Lease,
Tenant's sole remedy will be an order of specific performance or mandatory
injunction of the Landlord's agreement to give its consent or approval;
provided, however, that Tenant shall be entitled to seek damages as a remedy if
the remedy of specific performance or injunction is by its nature impossible to
render. The review and/or approval by Landlord of any item shall not impose upon
Landlord any liability for accuracy or sufficiency of any such item or the
quality or suitability of such item for its intended use. Any such review or
approval is for the sole purpose of protecting Landlord's interest in the Real
Property, and neither Tenant nor any Tenant Party nor any person or entity
claiming by, through or under Tenant, nor any other third party shall have any
rights hereunder by virtue of such review and/or approval by Landlord.

          47. RESERVED RIGHTS. Landlord retains and shall have the rights set
forth below, exercisable without notice and without liability to Tenant for
damage or injury to property, person or business and without effecting an
eviction, constructive or actual, or disturbance of Tenant's use or possession
of the Premises or giving rise to any claim for rent abatement:

     (a)  To grant to anyone the exclusive right to conduct any business or
          render any service in or to the Building and its tenants, provided
          that such exclusive right shall not operate to require Tenant to use
          or patronize such business or service or to exclude Tenant from its
          use of the Premises expressly permitted herein.

     (b)  To perform, or cause or permit to be performed, at any time and from
          time to time, including during Business Hours, construction in the
          common areas and facilities or other leased areas in the Real
          Property; provided that Landlord shall use commercially reasonable
          efforts consistent with the operation of a first class project to
          minimize noise and disruption to Tenant's business during the
          performance of such work provided that such efforts do not result in a
          material increase in the cost of performing the relevant work and do
          not diminish the quality of work performed.

     (c)  To reduce, increase, enclose or otherwise change at any time and from
          time to time the size, number, location, lay-out and nature of the
          common areas and facilities and other tenancies and premises in the
          Real Property and to create additional rentable areas through use or
          enclosure of common areas; provided that such changes shall not
          obstruct Tenant's access to the Premises.

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<PAGE>

          48. FINANCIAL STATEMENTS. Upon submission of this Lease to Landlord
and at any time thereafter within thirty (30) days after Landlord's request
therefor, Tenant shall furnish to Landlord, and to any lender, prospective
lender, purchaser or prospective purchaser designated by Landlord, copies of
true and accurate financial statements reflecting Tenant's then current
financial situation (including without limitation balance sheets, statements of
profit and loss, and changes in financial condition), Tenant's most recent
audited or certified annual financial statements, and in addition shall cause to
be furnished to Landlord similar financial statements for any guarantor(s) of
this Lease. So long as Tenant or such guarantor shall be a publicly traded
entity, it may satisfy the requirements of this Paragraph 48 by delivery of its
most recent publicly available financial statements. Landlord shall use its good
faith efforts to keep any financial statements delivered to it pursuant to this
Paragraph 48 (other than publicly available financial statements) confidential,
and shall inform any party to whom it delivers such non-public financial
statements of the confidential nature of the same. Landlord shall not deliver
any such non-public financial statements to any party which does not have a
legitimate interest in receiving the same by reason of such party's interest or
prospective interest in Landlord or the Real Property.

          49. SIGNAGE; DIRECTORIES.

               a. PREMISES ENTRY. Landlord shall provide, at Landlord's expense,
a Building-standard plaque identifying Tenant's business at the entrance to
Tenant's Premises on each floor. For any floor on which Tenant occupies all the
rentable space, if Tenant desires to have the sign at the entry to the Premises
be other than Building standard, Tenant may, at Tenant's expense, install a sign
identifying Tenant's business at the entrance to the Premises on such floor,
provided that the design, size, color and location of the signs shall be subject
to Landlord's prior reasonable approval.

               b. BUILDING DIRECTORY. Tenant shall be entitled, at no cost to
Tenant, to have the name of Tenant's company listed on the Building directory
situated in the lobby of the Building. If, after Tenant's name is initially
listed on the directory, Tenant requests a change in Tenant's name as printed
thereon, Tenant shall reimburse Landlord for Landlord's cost of reprinting
Tenant's name for the directory.

               c. BUILDING EXTERIOR.

                    i. TENANT'S EXTERIOR SIGNAGE OPTION. The Tenant originally
named herein shall have the exclusive right to erect and maintain Approved
Exterior Signage (as defined in Paragraph 49.c.ii. below) at the Selected Sites,
as defined below, in accordance with this Paragraph 49.c. for so long as the
Occupancy Requirement (as defined below) continues to be met. The "Selected
Sites" shall be any two (2) of the four (4) parapet signage sites at the top of
the Building (one such site being located on each of the four sides of the
Building (i.e., the northern, eastern, southern and western surfaces), as such
two (2) parapet signage sites shall be selected by Tenant in a written notice to
Landlord on or before the 6-month anniversary of the date of this Lease. The
"Occupancy Requirement" shall be met during the period in which the Tenant
originally named herein continues to lease not less than one hundred fifty-nine
thousand one hundred ninety-six (159,196) rentable square feet of space in the
Building. For purposes of determining whether the Occupancy Requirement is met,
Tenant shall be considered to be leasing the entire Premises (even portions
which are not yet occupied because Tenant Improvements have not been completed),
except that Tenant shall not be considered to be leasing space which Tenant has
subleased or intends to sublease to a subtenant nor will Tenant be considered to
be leasing any space with respect to which (A) this Lease has expired or
terminated or been assigned (except as provided in the next sentence), or (B)
Tenant has (i) exercised any lease termination right which is set forth in this
Lease, or (ii) negotiated a lease termination after the date hereof. This
exterior signage right is personal to Ask Jeeves, Inc. and will not inure to the
benefit of any subtenant or assignee, with the sole exception of an Affiliate to
whom this Lease is assigned in accordance with Paragraph 13.g. above. The
Approved Exterior Signage may not be modified, replaced or removed without
Landlord's prior written approval.

                    ii. TERMS AND CONDITIONS. Tenant shall have the exclusive
right to erect and maintain the Approved Exterior Signage at the Selected Sites
during the period commencing on the date of this Lease and terminating forever
as of the first date that the Occupancy Requirement shall no longer be met by
the Tenant originally named herein (other than temporarily due to fire or other
casualty or services interruption) (the "Signage Term"). Commencing on the
Initial Rent Commencement Date (as defined in Paragraph 2.c. above), and
continuing thereafter throughout the Signage Term, Tenant shall pay an annual
fee (the "Annual Signage Fee") equal to One Hundred Thousand Dollars
($100,000.00) per year, as the same shall be increased as provided below. The
Annual Signage Fee shall be paid by Tenant annually, in advance, commencing on
the Initial Rent Commencement Date and on each anniversary of the Initial Rent
Commencement Date during the Signage Term (each a "Signage Payment Date"). On
each Signage Payment Date after the Initial Rent Commencement Date, the Annual
Signage Fee shall be increased to be equal to one hundred five percent (105%) of
the Annual Signage Fee payable for the immediately preceding 12-month period. If
the Annual Signage Fee is not paid when due, and such failure continues for ten
(10) days after written notice to Tenant of such failure, then in addition to
any other remedies afforded Landlord under this Lease by reason of nonpayment of
rent, Landlord may terminate Tenant's rights under this Paragraph 49.c. If the
Signage Term expires or terminates less than twelve (12) full calendar months
after the final Signage Payment Date, then the Annual Signage Fee shall be
appropriately prorated for the final year of the Signage Term, and Landlord will
refund to Tenant any overpayment of Annual Signage Fee for such final year.
Notwithstanding anything to the contrary herein, if during the term of this
Lease Tenant ceases to meet the

                                       32
<PAGE>

Occupancy Requirement, at Landlord's sole election, the Approved Exterior
Signage will remain on the Building and the Annual Signage Fee shall continue to
be payable until the earlier of the removal of such signage in accordance with
this Paragraph 49.c. or the expiration or termination of this Lease.

          The exterior signage shall contain Tenant's name, shall be subject to
Landlord's prior written approval with regard to size, design, color, materials,
content, location and method of installation, and shall be appropriate for a
first-class high rise office building and in conformity with the overall design
and ambiance of the Real Property. Landlord's approval of any item reviewed by
Landlord under this Paragraph 49.c. shall merely indicate Landlord's consent to
the proposed work shown thereon, and in no event shall be deemed to constitute a
representation by Landlord that the work called for therein complies with
applicable building codes or other Legal Requirements nor shall such consent
release Tenant from Tenant's obligations to supply plans and specifications that
do so conform to applicable building codes and Legal Requirements. The cost of
the design, manufacture, installation, lighting (if any) and maintenance of the
signage shall be borne by Tenant. The exterior signage must comply with
applicable Legal Requirements and Tenant shall be responsible for obtaining, at
Tenant's sole cost and expense, any and all necessary zoning and other public or
private approvals and permits required for such signage (provided that in doing
so Tenant shall not adversely affect Landlord or impair in any way Landlord's
current or permitted use of the Real Property and provided, further, that
Landlord makes no representation whatsoever that any of the foregoing items may
be obtained). Landlord will reasonably cooperate with Tenant in its efforts to
obtain such approvals and permits, provided that Landlord shall not incur any
costs in connection therewith. Tenant's exterior signage which is approved by
Landlord and meets the foregoing requirements is referred to herein as the
"Approved Exterior Signage."

          Throughout the Signage Term, Tenant, at its sole cost and expense,
shall (i) maintain the Approved Exterior Signage in first class condition and
repair, and (ii) promptly comply with all such present and future Legal
Requirements relating to the Approved Exterior Signage; provided, however, at
Landlord's election, Landlord may perform any necessary cleaning, maintenance
and repair work and any work to the Approved Exterior Signage or other portions
of the Real Property required to effect compliance with Legal Requirements, in
which event, Tenant shall pay such costs within ten (10) days after receipt of
Landlord's invoice therefor. At any time following the expiration or earlier
termination of this Lease, or if earlier, from and after the expiration of the
Signage Term, Landlord shall have the right to remove the Approved Exterior
Signage at Tenant's expense (which expense shall be paid to Landlord within ten
(10) days after demand) or to require Tenant to remove such signage at Tenant's
expense, and to repair and restore, at Tenant's expense (or require Tenant to
repair and restore at Tenant's expense), the affected areas of the Building and
Real Property to their original condition at the time the signage was installed,
ordinary wear and tear excepted. Tenant's obligations regarding the removal of
the signage and restoration of the affected areas of the Building and Real
Property shall survive the expiration or sooner termination of this Lease.

          50. NONDISCLOSURE OF LEASE TERMS. Tenant agrees that the terms of this
Lease are confidential and constitute proprietary information of Landlord, and
that disclosure of the terms hereof could adversely affect the ability of
Landlord to negotiate with other tenants. Tenant hereby agrees that Tenant and
its partners, officers, directors, employees, agents, real estate brokers and
sales persons and attorneys shall not disclose the terms of this Lease to any
other person without Landlord's prior written consent, except to any accountants
of Tenant in connection with the preparation of Tenant's financial statements or
tax returns, to an assignee of this Lease or sublessee of the Premises, or to an
entity or person to whom disclosure is required by applicable law or in
connection with any action brought to enforce this Lease.

          51. HAZARDOUS SUBSTANCE DISCLOSURE. California law requires landlords
to disclose to tenants the existence of certain hazardous substances.
Accordingly, the existence of gasoline and other automotive fluids, maintenance
fluids, copying fluids and other office supplies and equipment, certain
construction and finish materials, tobacco smoke, cosmetics and other personal
items, and asbestos-containing materials ("ACM") must be disclosed. Gasoline and
other automotive fluids are found in the garage area of the Building. Cleaning,
lubricating and hydraulic fluids used in the operation and maintenance of the
Building are found in the utility areas of the Building not generally accessible
to Building occupants or the public. Many Building occupants use copy machines
and printers with associated fluids and toners, and pens, markers, inks, and
office equipment that may contain hazardous substances. Certain adhesives,
paints and other construction materials and finishes used in portions of the
Building may contain hazardous substances. Although smoking is prohibited in the
public areas of the Building, these areas may, from time to time, be exposed to
tobacco smoke. Building occupants and other persons entering the Building from
time-to-time may use or carry prescription and non-prescription drugs, perfumes,
cosmetics and other toiletries, and foods and beverages, some of which may
contain hazardous substances.

          52. PARKING.

               a. Commencing upon the Commencement Date, Landlord shall provide
Tenant, on an unassigned, non-exclusive and unlabelled basis, sixty (60) parking
spaces in the garage of the Building (the "Building Spaces") and Tenant shall
pay Landlord or the operator of the garage, as directed by Landlord, for such
parking at the rate or charge in effect from time to time for parking in the
garage.

          In addition, commencing on the Commencement Date, Landlord shall make
available to Tenant's employees, on a month-to month basis, sixty (60)
additional parking spaces, on an unassigned, non-

                                       33
<PAGE>

exclusive and unlabelled basis, in the parking facility currently known as the
City Center Garage West, located at 1250 Martin Luther King Jr. Way, Oakland
("Garage West"), provided that Landlord obtains from the City of Oakland the
right to control a sufficient number of parking spaces in Garage West on terms
satisfactory to Landlord. Tenant's employees shall pay Landlord or the operator
of the subject garage, as directed by Landlord, for such parking at the rate or
charge in effect from time to time for parking in the garage. Landlord or Tenant
may terminate Tenant's right to all or any portion of such month-to-month
parking spaces by giving thirty (30) days' notice of such termination to the
other.

          Tenant acknowledges that the monthly and hourly rates or charges in
effect may vary from time to time based on, among other things, the time of day,
type of parking (e.g., valet, self-park, or tandem) and general rate increases.

               b. Tenant shall provide Landlord with advance written notice of
the names of each individual to whom Tenant from time to time distributes
Tenant's parking rights hereunder, and shall cause each such individual to
execute Landlord's standard waiver form for garage users. If the parking charge
with respect to any space is not paid when due, and such failure continues for
ten (10) days after written notice to Tenant of such failure, then in addition
to any other remedies afforded Landlord under this Lease by reason of nonpayment
of rent, Landlord may terminate Tenant's rights under this Paragraph 52 with
respect to such space. Further, if at any time Tenant releases to Landlord any
parking space provided for in this Paragraph 52, then Tenant's right under this
Paragraph 52 to use such released parking space shall automatically terminate.

               c. The parking spaces to be made available to Tenant hereunder
may contain a reasonable mix of spaces for compact cars. Landlord shall take
reasonable actions to ensure the availability of the parking spaces leased by
Tenant, but Landlord does not guarantee the availability of those spaces at all
times against the actions of other tenants of the Building and users of the
parking facility. Without limiting the foregoing, in no event shall this Lease
be void or voidable, nor shall Landlord be liable to Tenant for any loss or
damage, nor shall there be any abatement of rent hereunder (other than the
parking charge paid hereunder for any parking space no longer made available),
by reason of any reduction in Tenant's parking rights hereunder by reason of
strikes, lock-outs, labor disputes, shortages of material or labor, fire, flood
or other casualty, acts of God or any other cause beyond the control of
Landlord. Access to the parking spaces to be made available to Tenant shall, at
Landlord's option, be by card, pass, bumper sticker, decal or other appropriate
identification issued by Landlord, and Tenant's right to use the parking
facility is conditioned on Tenant's abiding by and shall otherwise be subject to
such rules and regulations as may be promulgated by Landlord from time to time
for the parking facility.

               d. The parking rights set forth in this Paragraph 52 are
non-transferrable except that such rights may be assigned or sublet to a
permitted assignee or subtenant in connection with an assignment or sublease
meeting the requirements of Paragraph 13 above. In the event of any such
permitted assignment or sublease of parking space rights, Landlord shall be
entitled to receive one hundred percent (100%) of any profit received by Tenant
in connection with such assignment or sublease.

          53. RIGHTS TO TERMINATE THIS LEASE.

               a. LANDLORD'S RIGHT TO TERMINATE. Tenant acknowledges that
Landlord is still in the planning stage of development of the Building and that
Landlord must still complete a number of steps and satisfy a number of
requirements before it can go forward with the project (including the
acquisition of fee title to the Land pursuant to Landlord's agreement with the
City of Oakland). Accordingly,(a) if despite its good faith efforts, Landlord
has not obtained project financing satisfactory to Landlord in its sole
discretion on or before the date (the "Trigger Date") that is thirty (30) days
after the date on which Landlord acquires fee title to the Land, or (b) if,
despite its good faith efforts, Landlord has not obtained all necessary private
and governmental approvals and permits for the project on or before the Trigger
Date, or (c) if Landlord based on its analysis of market conditions and other
factors, in its sole discretion, decides not to go forward with the development
of the Building, then Landlord shall have the right to terminate this Lease by
giving written notice of termination to Tenant within five (5) Business Days
after the Trigger Date.

               b. TENANT'S RIGHT TO TERMINATE. The parties acknowledge that the
Building project is presently scheduled to be submitted to the Oakland City
Council ("City Council") for approval at the City Council's May 16, 2000,
meeting. If the City Council has failed to approve the project as submitted (or
subject to conditions and other terms reasonably acceptable to Landlord) on or
before June 16, 2000, which date shall be extended by the length of any delays
resulting from fire or other casualty, acts of God or any similar cause that is
beyond the reasonable control of Landlord (the "Outside Date"), then Tenant
shall have the right to terminate this Lease by giving Landlord written notice
of such termination within five (5) Business Days after the Outside Date.

          54. TENANT'S OPTION TO RENEW.

               a. OPTION TO RENEW. Tenant shall have the option to renew this
Lease for one (1) additional term of five (5) years, commencing upon the
expiration of the initial term of the Lease. The renewal option must be
exercised, if at all, by written notice given by Tenant to Landlord not later
than twelve (12) months prior to expiration of the initial term of this Lease.
Notwithstanding the foregoing, at Landlord's

                                       34
<PAGE>

election this renewal option shall be null and void and Tenant shall have no
right to renew this Lease if (i) as of the date immediately preceding the
commencement of the renewal period Tenant is not in occupancy of at least
seventy percent (70%) of the entire Premises then demised hereunder or Tenant
does not intend to continue to occupy the Premises (but intends to assign this
Lease or sublet the space in whole or in part), or (ii) on the date Tenant
exercises the option or on the date immediately preceding the commencement date
of the renewal period Tenant has committed an Event of Default, as defined in
Paragraph 25.a. above.

               b. TERMS AND CONDITIONS. If Tenant exercises the renewal option,
then during the renewal period all of the terms and conditions set forth in this
Lease as applicable to the Premises during the initial term shall apply during
the renewal term, except that (i) Tenant shall have no further right to renew
this Lease, (ii) Tenant shall take the Premises in their then "as-is" state and
condition, and (iii) the Monthly Rent payable by Tenant for the Premises shall
be the then-fair market rent for the Premises based upon the terms of this
Lease, as renewed. Fair market rent shall include the periodic rental increases,
if any, that would be included for space leased for the period the space will be
covered by the Lease. For purposes of this Paragraph 54, the term "fair market
rent" shall mean the rental rate for comparable space under primary lease (and
not sublease) to new tenants, taking into consideration the unique quality and
prestige of the Building and such amenities as existing improvements, view,
floor on which the Premises are situated and the like, situated in first-class,
reputable, established high-rise office buildings in comparable locations in
City Center, in comparable physical and economic condition, taking into
consideration the then-prevailing ordinary rental market practices with respect
to tenant concessions (if any) (e.g. not offering extraordinary rental,
promotional deals and other concessions to tenants which deviate from what is
the then-prevailing ordinary practice in an effort to alleviate cash flow
problems, difficulties in meeting loan obligations or other financial distress,
or in response to a greater than average vacancy rate). The fair market rent
shall be mutually agreed upon by Landlord and Tenant in writing within the
thirty (30) calendar day period commencing six (6) months prior to commencement
of the renewal period. If Landlord and Tenant are unable to agree upon the fair
market monthly rent within such thirty (30)-day period, then the fair market
rent shall be established by appraisal in accordance with the procedures set
forth in EXHIBIT D attached hereto.

               c. MINIMUM RENTAL. Notwithstanding anything in the foregoing or
EXHIBIT D attached hereto to the contrary, in no event shall the Monthly Rent
during the renewal period be less than the aggregate of the amounts of Monthly
Rent and Additional Rent payable by Tenant (for all of the Premises leased
hereunder) under Paragraphs 2.c., 5 and 7 hereof for the calendar month
immediately preceding the commencement of the renewal period.

          55. TENANT'S INTER-FLOOR CABLING.

               a. LICENSE. Landlord hereby grants to Tenant, and Tenant hereby
accepts from Landlord, a license (the "License") to use certain portions of the
Building as follows:

                    i. LINES. Tenant shall be permitted, on the terms and
     conditions set forth herein, to install, operate, maintain, repair, replace
     and use, at Tenant's sole expense and risk, such cables, conduits,
     innerducts and connecting hardware, if any (collectively, the "Lines") as
     shall be approved by Landlord pursuant to Paragraph 55.e. below.

                    ii. LICENSE AREAS. Tenant shall have the right, solely for
     the purpose of making line connections and for no other purpose whatsoever,
     to use the telephone closets on the second (2nd) through tenth (10th)
     floors of the Building, and other non-leased areas of such floors, but only
     to the extent such closets and/or areas are shown on Approved Drawings (as
     defined in Paragraph 55.e.ii. below) as the sites through which the Lines
     will be run (all such areas being referred to collectively herein as the
     "License Areas").

                    iii. ACCESS. Tenant shall have reasonable access to the
     Lines and License Areas for the purposes permitted under this Paragraph 55,
     if such access can feasiblely be provided by Landlord's on-site personnel
     during Landlord's normal business hours without compromising Landlord's
     security for or operation of the Building.

                    iv. NONEXCLUSIVE; PERSONAL. The interest created in this
     Paragraph 55 is a non-exclusive license and no leasehold or tenancy is
     intended to be or shall be created by this Paragraph 55. The License may
     not be assigned or sublicensed without Landlord's prior written approval,
     which approval shall not be unreasonably withheld with respect to a
     proposed assignment or subletting to an assignee or subtenant to whom
     Tenant is assigning the Lease or subletting the Premises in accordance with
     Paragraph 13 above.

               b. NO SEPARATE FEE. Except as otherwise provided in this
Paragraph 55.b. and in Paragraph 55.l. below, Tenant shall pay no separate fee
or rent for the use of the License Areas.

                    i. HOLDOVER RENT. Tenant shall pay the license fees, if any,
     payable under Paragraph 55.l. below during any holdover period.

                    ii. SUPERVISION COSTS. Tenant shall pay Landlord's charges
     for monitoring or supervising Tenant's activities in connection with the
     License granted hereunder by any of Landlord's

                                       35
<PAGE>

     administrative, engineering, security or other personnel, which shall be
     billed to Tenant at the hourly standard rates for such services, as
     established from time to time by Landlord, and shall be payable by Tenant
     within ten (10) days of such billing.

                    iv. OUT-OF-POCKET COSTS. Tenant shall reimburse Landlord for
     out-of-pocket costs incurred by Landlord for services rendered by
     consultants or other third parties (including but not limited to engineers,
     contractors, or security or janitorial personnel) in connection with the
     License granted hereunder, together with an amount equal to twenty percent
     (20%) thereof to cover Landlord's overhead, within ten (10) days of such
     billing.

                    iv. IMPOSITIONS. Tenant shall be responsible for promptly
     paying all additional real and personal property taxes, assessments,
     charges, fees or other governmental impositions levied or assessed on the
     Building or the Real Property due to the Lines or the operation thereof.

               c. TERM OF LICENSE. The term of the License shall commence with
respect to each floor on the Commencement Date (as defined in Paragraph 2.b.)
for that floor, and shall expire or terminate on the expiration or earlier
termination of this Lease; provided, however, that if Tenant fails to perform
its obligations under this Paragraph 55, and such failure continues for five (5)
business days after written notice to Tenant of such failure, then in addition
to any other remedies afforded Landlord under this Lease, Landlord may terminate
the License.

               d. USE OF LINES AND LICENSE AREAS.

                    i. PERMITTED USE. Tenant shall use the License Areas and the
     Lines solely for the purpose of serving the communications needs of Tenant
     within the Building and for no other use or purpose. Any use of a type
     different than the foregoing that Tenant desires to make of the Lines or
     License Areas, shall be subject to the prior written consent of Landlord,
     which may be withheld in Landlord's sole discretion, and shall be subject
     to imposition of such fees in consideration of such additional services as
     Landlord shall determine in its sole discretion. Without limiting the
     generality of the foregoing, in no event may Tenant (A) use the Lines to
     provide any services to any party other than Tenant, to serve any locations
     outside the Building or to resell any communications services or (B)
     install any additional Lines or equipment, or modify or extend the Lines,
     without Landlord's prior written consent and compliance with all other
     provisions of this Paragraph 55. Tenant agrees that the License Areas may
     not be occupied by any agents, contractors or employees of Tenant, or by
     any other person, except as the presence of such persons is from time to
     time briefly required to install, maintain or repair the Lines or License
     Areas. In no event shall Tenant permit any party other than Tenant to
     install, maintain or use any equipment or other personalty in any of the
     License Areas.

                    ii. NONINTERFERENCE. Tenant shall not use the License Areas
     or the Lines so as to interfere in any way with the ability of other
     tenants or other occupants of the Building or occupants of other properties
     to receive or transmit radio, television, telephone, computer, data
     processing, fiber optic, microwave, short-wave, long-wave or other signals
     of any sort, nor so as to interfere with the use by Landlord or such other
     tenants or occupants of electric, computer, electronic, fiber optic or
     other facilities, equipment, appliances, personal property or fixtures, nor
     so as to interfere in any way with the use of any antennas, satellite
     dishes or other equipment or facilities currently or hereafter located on
     the roof or any other floor or area of the Building or other properties.

          iii. LANDLORD'S APPROVALS OR REQUIREMENTS. Landlord's approval of, or
     requirements concerning, the Lines in this Paragraph 55 or otherwise, or
     any plans and specifications, contractors and subcontractors for the design
     or installation thereof, shall not be deemed a waiver of any of the
     provisions of this Lease, nor a warranty as to the adequacy of the design,
     workmanship or quality of materials or installation or their compliance
     with any Legal Requirement, as defined in Paragraph 7.a. above), and
     Landlord shall have no responsibility or liability for the same. Landlord
     shall have no responsibility for any deficiencies in drawings submitted by
     Tenant for approval by Landlord or any failure of such drawings to reflect
     actual conditions (concealed or apparent) at the Building, including
     without limitation any failure of the drawings to reflect existing
     equipment, walls or other facilities. In the case any such drawings are
     deficient, Landlord may require that Tenant stop the installation work and
     revise the drawings. Any matters not specifically reflected in the drawings
     (including for example, but not limited to, the height of any proposed wall
     penetration or the height at which the Lines will be run) shall be subject
     to Landlord's prior written approval, which may be withheld in Landlord's
     sole discretion.

                    iv. IDENTIFICATION. Tenant shall cause Tenant's personnel or
     contractor(s) to clearly mark (including any color coding required by the
     Building) each conduit, cable, wire and piece of equipment comprising the
     Lines with the License number assigned by the Building management and the
     starting point and the destination of such conduit, cable or wire (e.g.
     "No. 0201, Floor 2 to Floor 3"), and shall place such identification tags
     in each closet the Lines pass through, on each horizontal run of the Lines,
     and on each item of equipment that is part of the Lines.

                                       36
<PAGE>

                    v. LINE SPECIFICATIONS. All installation, modification,
     maintenance, replacements, and removal of the Lines shall comply with such
     commercially reasonable specifications and requirements as Landlord shall
     adopt from time to time.

               e. CONSTRUCTION AND OTHER WORK. All construction, installation,
repair, maintenance and other work performed by or on behalf of Tenant in
connection with the License granted hereunder (collectively referred to herein
as "Work") shall be at Tenant's sole expense and risk and shall be subject to
the following requirements:

                    i. CONTRACTORS. The provisions of Paragraphs i through iii
     of Paragraph 4.c. shall apply with respect to Tenant's contractors,
     subcontractors, material suppliers who perform any work in or deliver
     materials to the License Areas.

                    ii. APPROVED DRAWINGS. Tenant shall submit detailed plans
     and specifications (including the size, number and type of any proposed
     Lines) to Landlord and obtain Landlord's prior written approval thereof
     (which Landlord may withhold in Landlord's sole discretion) before
     commencing any Work (such approved plans and specifications or drawings
     referred to herein as "Approved Drawings"). The plans and specifications
     shall include, if reasonably required by Landlord, detailed construction
     and engineering drawings, reports and studies. All paths and sites through
     which the Lines shall be run shall be designated by Landlord, and such
     paths and sites shall be reflected on the Approved Drawings. Tenant shall
     provide two (2) sets of "as built" drawings to Landlord promptly after
     completion of any Work, including without limitation as-built drawings
     showing all paths and sites through which all Lines are run. Unless
     Landlord agrees otherwise in writing, all drawings shall be CAD-generated
     in AUTOCAD Release 14 format (with no third party software), shall be
     submitted in hard copy and on disk, and shall otherwise comply with
     standards established by Landlord from time to time.

                    iii. PERMITS. Tenant shall obtain and submit to Landlord
     necessary permits, as well as such other reasonable documentation and items
     as Landlord may require.

                    iv. CONTRACTS; LIEN WAIVERS. Tenant shall submit to Landlord
     copies of all contracts and subcontracts relating to the Work, and obtain
     and submit to Landlord contractor and subcontractor lien waivers and
     affidavits of payment.

                    v. ENGINEER'S OPINIONS. If reasonably required by Landlord,
     Tenant shall obtain opinions from engineers acceptable to Landlord (or at
     Landlord's sole discretion, shall reimburse Landlord's costs for obtaining
     such opinions directly) stating that the Lines and Work to be done with
     respect thereto will not adversely affect other lines or equipment at the
     Building, the Building systems and equipment (including without limitation,
     electrical, heating, ventilating, air-conditioning, plumbing, alarm and
     fire protection), or the Building structure.

                    vi. SUPERVISION; STANDARDS AND CONDITIONS. Any Work shall be
     subject, at Landlord's option, to supervision by Landlord (including,
     without limitation, supervision as to the specific location of the Lines
     and all floor, wall or ceiling coring and penetrations), and shall comply
     with all Legal Requirements applicable thereto, good work practices and the
     Building Construction Standards. Without limiting the foregoing, all Work
     shall be designed and performed in a manner that will protect the
     structural integrity of the floors, walls and ceilings of the Building,
     protect against water leakage through penetrations (by installing flanges
     or otherwise), and protect against fire hazard (by installing fire blocking
     materials or otherwise).

                    vii. LIENS. Tenant shall give Landlord not less than five
     (5) days' prior written notice of the date any Work is to commence. The
     provisions of Paragraph 12 of this Lease shall apply to the Work.

                    viii. RECORD OF LINES. At all times during the term of this
     Lease, Tenant shall maintain with Landlord a current and complete record of
     all Tenant's Lines in the Building.

                    ix. NOISE AND DISRUPTION. All of Tenant's activities in the
     License Areas shall be performed so as to avoid any disturbance, disruption
     or inconvenience to tenants and other occupants, if any, of the Building
     (and, without limiting the foregoing, any floor, wall or ceiling coring
     work or penetrations or use of noisy or heavy equipment which may interfere
     with the conduct of business by tenants or other occupants, if any, at the
     Building shall, at Landlord's option, be performed at times other than the
     normal business hours of Landlord or such tenants or occupants).

                    x. INCORPORATION OF CONSTRUCTION AGREEMENT. Any separate
     work letter or other agreement which is hereafter entered into between
     Landlord and Tenant pertaining to the Work shall be automatically
     incorporated into this Paragraph 55 without the necessity for further
     reference thereto.

               f. MAINTENANCE AND REPAIR.

                                       37
<PAGE>

                    i. MAINTENANCE OF LICENSE AREAS. Tenant acknowledges and
     agrees that Tenant accepts the License Areas in their "as-is" condition as
     of the date of delivery by Landlord, and that Tenant at its own expense
     shall make any alterations necessary to make such sites suitable for
     Tenant's purposes thereon, subject to Landlord's approval rights set forth
     above. Tenant, at Tenant's sole cost and expense, shall keep the License
     Areas in good condition and repair, except for damage caused by the gross
     negligence or willful misconduct of Landlord. Landlord makes no
     representations respecting the condition of the License Areas or their
     suitability for operation of the Lines. If any repairs, maintenance or
     replacements are required hereunder, Tenant shall promptly arrange for the
     same, either through Landlord for such charges as Landlord may from time to
     time establish, or with such contractors as Landlord generally uses at the
     Building, or such other contractors as Landlord shall first approve in
     writing, and in a first class, workmanlike manner. Any replacements of
     items shall be of the same size, quality and design as the items replaced.
     Tenant shall indemnify, defend and hold Landlord and the Indemnitees
     harmless from and against and pay for any repairs, maintenance and
     replacements to the License Areas and areas of the Building outside the
     License Areas, made necessary in whole or in part by the installation,
     maintenance, modification, replacement, removal or use of the Lines, or the
     moving of any Lines or other property to or from the License Areas, or
     otherwise made necessary by the operations of Tenant or its employees,
     agents or contractors in or about the License Areas.

                    iii. MAINTENANCE OF LINES. Tenant shall maintain the Lines
     in first-class condition and repair throughout the term of this Lease.

               g. UTILITIES. Landlord shall have no obligation to provide any
utilities or services to or for Tenant, the License Areas or the Lines, except
as provided in Paragraph 17 of the Lease with respect to services to the
Premises. If Landlord does provide any utilities to the License Areas, Landlord
makes no representation or warranty that such utilities will be free from
shortages, failures, variations, or interruptions caused by repairs,
maintenance, replacements, improvements, alterations, changes of service,
strikes, lockouts, labor controversies, accidents, inability to obtain services,
fuel, steam, water or supplies, governmental requirements or requests, or other
causes. No such failure or interruption of services or utilities shall be deemed
an eviction or disturbance of Tenant's use of the Lines, License Areas or any
part thereof, or render Landlord liable to Tenant for abatement of fees or
charges set forth herein, or relieve Tenant from performance of Tenant's
obligations under this Lease. Landlord in no event shall be liable for damages
by reason of loss of profits, business interruption other consequential damages.

               h. LIABILITY; INDEMNITY; INSURANCE. Landlord shall have no
obligation to design, install, construct, use operate, maintain, repair, replace
or remove Tenant's Lines, nor shall Landlord have any other responsibility or
liability in connection therewith or the operations thereof, except as expressly
set forth in this Paragraph 55. The provisions of Paragraphs 14, 15 and 16 of
this Lease shall apply in full to Tenant's use of the License Areas and Tenant's
installation, operation, maintenance and removal of the Lines.

               i. SECURITY. The parties acknowledge that safety and security
devices, services and programs provided by Landlord at the Building (including
without limitation, such devices and programs affecting the room in which the
main distribution frame for the Building is located, the License Areas and the
Building), if any, may not in given instances prevent theft or other criminal
acts, or ensure safety of persons or property or limit access. The risk that any
safety or security device, service or program may not be effective, or may
malfunction, or be circumvented by a criminal or other party, is assumed by
Tenant with respect to Tenant's property and interests (including without
limitation the Lines), and Tenant shall obtain insurance coverage to the extent
Tenant desires protection against such criminal acts and other losses. Tenant
agrees to cooperate in any reasonable safety or security program developed by
Landlord or required by Legal Requirement.

               j. RELOCATION OF LINES. At any time or times hereafter, in
addition to the rights reserved by Landlord under any other provisions of this
Lease, Landlord may require upon thirty (30) days' prior written notice that
Tenant, at its sole expense: (A) move all or any portion of the Lines or riser
sleeves therefor to another location or locations in the Building, or (B)
discontinue using any Building riser sleeves or conduit. If Landlord exercises
any such rights, the parties agree that Landlord shall use reasonable efforts
to cooperate in providing other space in the Building that will be feasible for
Tenant's purposes (but the installation of new Lines or other equipment, riser
sleeves or conduit therefor, improvements or alterations in or to License Areas
shall be subject to Landlord's approval of the drawings therefor and the other
requirements set forth in the other provisions of this Lease).

               k. SURRENDER OF LICENSE AREAS.

                    i. SURRENDER OF LICENSE AREAS. Upon expiration or earlier
     termination of the License, Tenant shall surrender possession of the
     License Areas in good, clean and sanitary condition and repair, ordinary
     wear and tear excepted.

                    ii. REMOVAL; RESTORATION. Upon expiration or termination of
     the License, Tenant shall remove all of the Lines and any alterations or
     improvements to the License Areas installed by or for Tenant and shall
     restore such areas to their condition prior to the installation of such
     items, ordinary wear and tear excepted. Such restoration shall include,
     without limitation, removal of

                                       38
<PAGE>

     equipment, cabling, and all assorted wiring, and patching of all
     penetrations of the Building. If such removal and restoration are not
     completed by the later of (A) fifteen (15) days after notice from Landlord
     requiring such removal or (B) expiration or other termination of the
     License, Landlord may perform the same at Tenant's expense. Any damage to
     the License Areas or the Building caused by such removal shall be repaired
     promptly by Tenant or, if Tenant fails to do so, Landlord may do so at
     Tenant's expense. Notwithstanding the foregoing, Landlord reserves the
     right upon notice to Tenant to require that Tenant leave in place in the
     License Areas and surrender to Landlord upon expiration or termination of
     the License any or all of the Lines, and any alterations or improvements to
     the License Areas installed by or for Tenant. Any disconnection of Lines
     required hereunder shall be made properly such that, among other things,
     such Lines are reusable and properly extend from the riser sleeves. Any
     disconnection or removal of Lines, whether occurring during the term of the
     License or upon its expiration or termination, shall be subject to the
     provisions of this Paragraph 55.k.

                    iii. CONTRACTOR; COSTS. The removal of alterations,
     improvements, equipment, fixtures and other property, the removal or
     disconnection of Lines and the restoration of the License Areas shall be
     performed by a contractor or contractors selected by Tenant and approved by
     Landlord in its sole discretion, and Tenant shall pay the contractors' fees
     and costs in connection with such work.

                    iv. LANDLORD'S ELECTION REGARDING LINES NOT REMOVED. Any
     Lines required to be surrendered to Landlord hereunder and any Lines
     required to be removed hereunder but not so removed within thirty (30) days
     after the expiration or termination of this Lease shall, at Landlord's
     election, be deemed the property of Landlord at no additional cost or
     expense to Landlord.

                    v. SURVIVAL OF OBLIGATIONS. Tenant's obligations under this
     Paragraph 55.k. shall survive the expiration or other termination of this
     Lease.

               l. HOLDING OVER IN LICENSE AREAS.

                    i. HOLDING OVER. If Tenant remains in possession of the
     License Areas after the expiration or earlier termination of the License
     with the express written consent of Landlord (and any failure by Tenant to
     remove, or if required by Landlord pursuant to Paragraph 55.k.ii. above,
     any failure to disconnect from and discontinue using, any Lines following
     written demand for the same by Landlord shall constitute continuing
     possession for purposes hereof), Tenant's possession shall be a
     month-to-month license at a license fee agreed upon by Landlord and Tenant,
     but in no event less than the greater of (i) one hundred fifty percent
     (150%) of the license fees, if any, payable under this Paragraph 55 during
     the last full month prior to the date of the expiration of the License or
     (ii) the then fair market license fees (as reasonably determined by
     Landlord) for the License Areas. Except as provided in the preceding
     sentence, the month-to-month license shall be on the terms and conditions
     of this Paragraph 55. Landlord's acceptance of license fees after such
     holding over with Landlord's written consent shall not result in any other
     tenancy or license or in a renewal of the original term of the License. If
     Tenant remains in possession of the License Areas after the expiration or
     earlier termination of the License without Landlord's consent, Tenant's
     continued possession shall be on the basis of a licensee at sufferance and
     Tenant shall pay as a monthly license fee during the holdover period an
     amount equal to the greater of (i) one hundred fifty percent (150%) of the
     fair market license fees (as reasonably determined by Landlord) for the
     License Areas, or (ii) two hundred percent (200%) of the license fees, if
     any, payable under this Paragraph 55 for the last full month prior to the
     date of such expiration or termination.

                    ii. INDEMNIFICATION. Without limiting the generality of
     Paragraph 14 of this Lease, Tenant shall indemnify, defend and hold
     Landlord harmless from and against all Claims, as defined in Paragraph
     14.b. above, incurred by or asserted against Landlord and arising directly
     or indirectly from Tenant's failure to timely surrender the License Areas,
     including but not limited to (i) any rent or license fees payable by or any
     loss, cost, or damages, including lost profits, claimed by any prospective
     tenant or licensee of the License Areas or any portion thereof, and (ii)
     Landlord's damages as a result of such prospective tenant or licensee
     rescinding or refusing to enter into the prospective lease or license of
     the License Areas or any portion thereof by reason of such failure to
     timely surrender the License Areas.

                    iii. SURVIVAL OF OBLIGATIONS. Tenant's obligations under
     this Paragraph 55.l. shall survive the expiration or other termination of
     this Lease.

          56. GENERATOR OPTION; GENERATOR SITE.

                    a. Tenant shall have the option (the "Generator Option") to
use a portion of the Real Property (as defined in Paragraph 1 of this Lease)
designated by Landlord for installation and operation of emergency generator
equipment, subject to the terms and restrictions of this Paragraph 56. The
Generator Option and the License described may not be assigned or sublicensed
except to a permitted assignee or subtenant to whom Tenant is assigning this
Lease or subletting the Premises in accordance with Paragraph 13.

                                       39
<PAGE>

                    b. EXERCISE OF GENERATOR OPTION. Tenant shall exercise the
Generator Option, if at all, by giving written notice of exercise (the "Exercise
Notice") to Landlord on or before the Final Plan Date (as defined in Paragraph
4.a.ii. above). If Tenant does not timely exercise its Generator Option, then
Landlord shall be released of its obligation to provide any generator site to
Tenant, and Landlord shall have the right to enter into a lease or license of
the designated generator site with any third party for a term and on such other
conditions as Landlord may determine in Landlord's sole discretion, and all
rights of Tenant under this Paragraph 56 shall cease. Notwithstanding the
foregoing, at Landlord's election the Generator Option shall be null and void
and Tenant shall have no right to use the Generator Site or the Conduit Areas if
on the date Tenant exercises the Generator Option or on the date immediately
preceding the commencement date of the License term Tenant is in default of any
of its material obligations under this Lease beyond any applicable cure period.

                    c. TERMS OF LICENSE. If Tenant timely exercises the
Generator Option, then subject to applicable Legal Requirements (as defined in
Paragraph 7.a. above) and the terms of any covenants, conditions and
restrictions, reciprocal easement agreement, common area declaration or similar
agreement affecting the Real Property, Tenant shall have a license (the
"License") consisting of:

                    (i) the non-exclusive right to use an area designated by
     Landlord for the installation, operation, maintenance and replacement by
     Tenant, at Tenant's sole expense, of one exterior self-contained emergency
     generator package unit of 350 kilowatts or less, the exact design of which
     shall be subject to Landlord's prior approval; and

                    (ii) the non-exclusive right to use, in common with
     Landlord, other tenants of the Building and any other parties authorized by
     Landlord, the vertical shafts and horizontal raceways of the Building (the
     "Conduit Areas") for the installation of such electrical wires and cables
     as reasonably needed to connect such emergency generator with the Premises.

The emergency generator unit and all related lines, wiring, pipes, equipment and
cabling are referred to herein as "Tenant's Generator Equipment."

                    d. LICENSE TERM. If Tenant timely exercises the Generator
Option, then the term of the License shall commence on the date Landlord tenders
possession of the Generator Site to Tenant ("License Commencement Date") and
shall expire on the expiration or sooner termination of this Lease.

                    e. AS-IS CONDITION. Tenant shall accept the Generator Site
and Conduit Areas in their then as-is condition, and Landlord shall have no
obligation to make or pay for any improvements or perform any renovation to
prepare such areas for Tenant's use.

                    f. LICENSE FEES; IMPOSITIONS.

                         i. LICENSE FEE. Commencing on date which is the later
     of (A) the date Landlord tenders delivery of the Generator Site to Tenant
     or (B) the Initial Rent Commencement Date (as defined in Paragraph 2.c.
     above) (the "Generator Fee Commencement Date") and continuing thereafter on
     the first day of each month during the term of the License, Tenant shall
     pay monthly, in advance, without deduction, offset, prior notice or demand,
     a license fee equal Two Thousand Five Hundred Dollars ($2,500.00), as such
     amount shall be increased as provided below (the "Generator License Fee").
     On the first day of the thirteenth (13th) full calendar month after the
     Generator Fee Commencement Date, and on each anniversary of such date
     thereafter during the License term (each such date an "Adjustment Date"),
     the Generator License Fee shall be increased to be equal to one hundred
     three percent (103%) of the Generator License Fee in effect during the
     12-month period immediately prior to the Adjustment Date in question.

                         ii. IMPOSITIONS. Tenant shall be responsible for
     promptly paying all real and personal property taxes, assessments, charges,
     fees or other governmental impositions levied or assessed on the Building
     or the Real Property due to Tenant's Generator Equipment or the
     construction or operation thereof.

                    g. INSTALLATION; PROPER IDENTIFICATION; RELOCATION.
Paragraph 55.e. shall apply to the design approval and construction of Tenant's
Generator Equipment and any alterations or improvements which Tenant desires to
make to the Generator Site or Conduit Areas and to all construction,
installation and modification of Tenant's Generator Equipment. The visible
elements of the exhaust vent(s) for Tenant's Generator Equipment must be
aesthetically pleasing and appropriate to its location, as determined by
Landlord in its good faith judgment. Tenant shall pay Landlord's costs incurred
in reviewing plans and specifications, supervising construction and other costs,
in accordance with Paragraph 55.b.ii. and b.iii..

               As soon as reasonably possible following the installation of
Tenant's Generator Equipment, Tenant shall clearly identify the equipment
(including all fuel lines and wiring) on the exterior of each piece of Tenant's
Generator Equipment using a code designated or approved by the Building manager.

                                       40
<PAGE>

               Notwithstanding anything to the contrary herein, Landlord may,
upon at least sixty (60) days' prior written notice to Tenant, require Tenant,
at Landlord's sole cost and expense, to relocate Tenant's Generator Equipment
during this Lease term in order to accommodate any other equipment Landlord may
elect to locate (or permit others to locate) in the areas occupied by Tenant's
Generator Equipment. Further, Landlord may require Tenant to erect, at Tenant's
sole cost, demising walls or a visual screening fence around Tenant's Generator
Equipment for aesthetic purposes, the design, size, location and construction of
which fence shall be reasonably determined by Landlord.

               The cost of Tenant's Generator Equipment and of the installation
of Tenant's Generator Equipment shall be borne by Tenant.

                    h. USE; COMPLIANCE WITH LAW. Tenant's Generator Equipment
shall be operated solely for the purpose of supplying emergency power to the
Premises in the event of a power outage, and for testing and maintenance
required in connection with the operation of Tenant's Generator Equipment.
Without limiting the foregoing, Tenant shall not sell electrical power or use
Tenant's Generator Equipment to provide electrical power or services to any
other party, nor shall Tenant's Generator Equipment be used for any purposes
whatsoever by anyone other than the Tenant originally named herein. Tenant, at
Tenant's sole expense, shall obtain all permits and approvals required in
connection with Tenant's Generator Equipment and shall otherwise comply with all
Legal Requirements regarding the installation, construction, operation and
maintenance of Tenant's Generator Equipment. Tenant shall maintain Tenant's
Generator Equipment and the surrounding premises in a good condition and repair
(including regular maintenance and testing), and shall pay any increase in rates
for insurance carried by Landlord resulting from the installation or use of
Tenant's Generator Equipment. Landlord makes no representation or warranty,
express or implied, as to the suitability of or condition of the Building or the
Generator Site for the purposes of generation of power or any other purpose, or
whether such use of the Generator Site or Tenant's Generator Equipment is or
will be permissible under applicable Legal Requirements. Tenant shall provide
the Building management office with at least two (2) business days' advance
notice of scheduled maintenance, testing and fueling. All such scheduled
maintenance and testing and fueling shall be performed on a date and during such
hours approved in advance by the Building manager.

                    i. FUELING OF TENANT'S GENERATOR EQUIPMENT. Tenant shall not
store diesel fuel other than in the storage tank which is a part of the approved
emergency generator unit.

                    j. ALTERATIONS, REPLACEMENT OR REMOVAL OF EQUIPMENT. Tenant
shall have the right, upon Tenant's submission to Landlord of all plans,
specifications and other information related thereto reasonably requested by
Landlord, and upon Tenant's prior receipt of Landlord's written consent, and at
Tenant's sole cost and expense, to alter, replace or remove Tenant's Generator
Equipment on or from the Generator Site. In addition to any other reasonable
basis on which Landlord may withhold consent to the alteration or replacement of
Tenant's Generator Equipment, Landlord may withhold such consent if such
alteration or replacement would (i) enlarge or otherwise materially change the
physical configuration of Tenant's Generator Equipment, (ii) involve any cost or
expense to Landlord not reimbursed by Tenant, or (iii) result in any expansion
of Tenant's rights under this Paragraph 56 or of Landlord's obligations under
this Paragraph 56 or otherwise violate any provision of this Lease. Further,
upon the expiration or any sooner termination of this Lease, or if required to
remove Tenant's Generator Equipment by any governmental agency having
jurisdiction over Tenant's Generator Equipment, Tenant shall remove all of
Tenant's Generator Equipment from the Generator Site and the Conduit Areas and
restore such areas to their condition prior to such installation.

                    All alteration, replacement or removal costs, including the
costs and expenses of Landlord (if any) in connection therewith, shall be borne
by Tenant. Landlord's costs shall be paid by Tenant on demand.

                    i. ACCESS TO GENERATOR SITE. Subject to the rules and
regulations of the Building, Tenant shall have the right to enter, under the
supervision of Landlord, upon the Generator Site and the Conduit Areas to, at
Tenant's sole cost and expense, construct (in accordance with the plans and
specifications approved by Landlord pursuant to Paragraph 3.d. above), install,
operate and maintain Tenant's Generator Equipment. Tenant may have access to
the Generator Site and the Conduit Areas in connection with the foregoing
activities during normal business hours upon not less than four (4) hours'
prior telephone notice to the engineer for the Building during normal business
hours; provided, however, that Tenant shall be permitted to designate specified
personnel of Tenant who will be allowed access to the Generator Site and the
Conduit Areas at all times, subject to compliance with such security and safety
procedures (including, without limitation, orientation and training as may be
required by Landlord) as Landlord shall establish from time to time.

                    k. LANDLORD'S LIABILITY; WAIVER AND INDEMNITY. Landlord
shall have no obligation to design, install, construct, use, operate, maintain,
repair, replace or remove Tenant's Generator Equipment or have any
responsibility or liability in connection therewith.

                    The provisions of Paragraphs 14, 15 and 16 above shall apply
in full to Tenant's activities, personal property, fixtures, improvements and
alterations on or about the Generator Site and

                                       41
<PAGE>

Conduit Areas. Tenant's Generator Equipment shall be in the Building or the Real
Property at the sole risk of Tenant and Landlord shall not be liable for damage
thereto or theft, misappropriation or loss thereof, and Tenant hereby waives all
Claims against Landlord or the Indemnitees in connection therewith. Further, in
addition to, and not in limitation of, the provisions of Paragraph 14 above,
Tenant agrees to indemnify, defend and hold harmless the Indemnitees from and
against any and all Claims which result from or arise out of the installation,
operation, existence, maintenance, repair, removal, replacement or relocation of
Tenant's Generator Equipment, whether occurring on the Generator Site, the
Conduit Areas or any other place within or without the Building and whether
occurring prior to, during or subsequent to the term of the License.

                    l. EVACUATION. If Landlord closes the Building and calls for
its evacuation by means of oral notice to the Premises (which notice may be
personal, telephonic, or by means of the Building's public address system), or
suggests by means of oral notice to the Premises (which notice may be personal,
telephonic, or by means of the Building's public address system) that the
Building be evacuated for any reason, including because of an electrical
failure, and if one or more of any Tenant Parties (as defined in Paragraph 8.c.
above) or other persons acting on behalf of or at the request of Tenant
(collectively, "Tenant's Personnel") remain in or later enter the Building or
the Premises or the Generator Site during the evacuation period, then Tenant
hereby waives all Claims against Landlord and the Indemnitees for any injury
incurred by any of Tenant's Personnel, or injury to property, due in whole or in
part to Tenant's failure to evacuate all of Tenant's Personnel from the Premises
and the Building. Further, Tenant will hold the Indemnitees harmless from and
defend and indemnify them against any and all Claims incurred by them as a
direct or indirect result of Tenant's Personnel remaining in the Premises or the
Building during such evacuation period.

               THIS LEASE IS EXECUTED by Landlord and Tenant as of the date set
forth at the top of page 1 hereof.

OAKLAND CITY CENTER LLC,                          ASK JEEVES, INC.,
a Delaware limited liability company              a Delaware corporation

By: Shorenstein Realty Investors
    Three, L.P., a California limited
    partnership, Member

    By: SRI Equity Associates, L.P.
        a California limited partnership,
        General Partner

        By: Shorenstein Company, L.P.
            a California limited partnership,
            General Partner

            By: Shorenstein Management, Inc.,
                a California corporation,
                General Partner

                                                  By:
                                                     -----------------------

                  By:                             Name:
                     ----------------------            -----------------------
                     Douglas W. Shorenstein
                     President                    Title:
                                                        -----------------------

Landlord                                                     Tenant

                                       42
<PAGE>

                                    EXHIBIT B

                              RULES AND REGULATIONS

                               555 TWELFTH STREET

          1. No sign, placard, picture, advertisement, name or notice shall be
inscribed, displayed or printed or affixed on or to any part of the outside or
inside of the Building or any part of the Premises visible from the exterior of
the Premises without the prior written consent of Landlord, which consent may be
withheld in Landlord's sole discretion. Landlord shall have the right to remove,
at Tenant's expense and without notice to Tenant, any such sign, placard,
picture, advertisement, name or notice that has not been approved by Landlord.

               All approved signs or lettering on doors and walls shall be
printed, painted, affixed or inscribed at the expense of Tenant by a person
approved of by Landlord.

               If Landlord notifies Tenant in writing that Landlord objects to
any curtains, blinds, shades or screens attached to or hung in or used in
connection with any window or door of the Premises, such use of such curtains,
blinds, shades or screens shall be removed immediately by Tenant. No awning
shall be permitted on any part of the Premises.

          2. No ice, drinking water, towel, barbering or bootblacking,
shoeshining or repair services, or other similar services shall be provided to
the Premises, except from persons authorized by Landlord and at the hours and
under regulations fixed by Landlord.

          3. The bulletin board or directory of the Building will be provided
exclusively for the display of the name and location of tenants only and
Landlord reserves the right to exclude any other names therefrom.

          4. The sidewalks, halls, passages, exits, entrances, elevators and
stairways shall not be obstructed by any of the Tenant Parties or used by Tenant
for any purpose other than for ingress to and egress from its Premises. The
halls, passages, exits, entrances, elevators, stairways, balconies and roof are
not for the use of the general public and Landlord shall in all cases retain the
right to control and prevent access thereto by all persons whose presence in the
judgment of Landlord shall be prejudicial to the safety, character, reputation
and interests of the Building and its tenants. No tenant and no employees or
invitees of any tenant shall go upon the roof of the Building.

          5. Tenant shall not alter any lock or install any new or additional
locks or any bolts on any interior or exterior door of the Premises without the
prior written consent of Landlord.

          6. The toilet rooms, toilets, urinals, wash bowls and other apparatus
shall not be used for any purpose other than that for which they were
constructed and no foreign substance of any kind whatsoever shall be thrown
therein and the expense of any breakage, stoppage or damage resulting from the
violation of this rule shall be borne by the tenant who, or whose employees or
invitees, shall have caused it.

          7. Tenant shall not overload the floor of the Premises or mark, drive
nails, screw or drill into the partitions, woodwork or plaster or in any way
deface the Premises or any part thereof.

          8. No furniture, freight or equipment of any kind shall be brought
into the Building without the consent of Landlord and all moving of the same
into or out of the Building shall be done at such time and in such manner as
Landlord shall designate. Landlord shall have the right to prescribe the weight,
size and position of all safes and other heavy equipment brought into the
Building and also the times and manner of moving the same in and out of the
Building. Safes or other heavy objects shall, if considered necessary by
Landlord, stand on a platform of such thickness as is necessary to properly
distribute the weight. Landlord will not be responsible for loss of or damage to
any such safe or property from any cause, and all damage done to the Building by
moving or maintaining any such safe or other property shall be repaired at the
expense of Tenant. The elevator designated for freight by Landlord shall be
available for use by all tenants in the Building during the hours and pursuant
to such procedures as Landlord may determine from time to time. The persons
employed to move Tenant's equipment, material, furniture or other property in or
out of the Building must be acceptable to Landlord. The moving company must be a
locally recognized professional mover, whose primary business is the performing
of relocation services, and must be bonded and fully insured. In no event shall
Tenant employ any person or company whose presence may give rise to a labor or
other disturbance in the Project. A certificate or other verification of such
insurance must be received and approved by Landlord prior to the start of any
moving operations. Insurance must be sufficient in Landlord's sole opinion, to
cover all personal liability, theft or damage to the Project, including, but not
limited to, floor coverings, doors, walls, elevators, stairs, foliage and
landscaping. Special care must be taken to prevent damage to foliage and
landscaping during adverse weather. All moving operations shall be conducted at
such times and in such a manner as Landlord shall direct, and all moving shall
take place during non-business hours unless Landlord agrees in writing
otherwise.

                                       1
<PAGE>

          9. Tenant shall not employ any person or persons other than the
janitor of Landlord for the purpose of cleaning the Premises, unless otherwise
agreed to by Landlord. Except with the written consent of Landlord, no person or
persons other than those approved by Landlord shall be permitted to enter the
Building for the purpose of cleaning the Building or the Premises. Tenant shall
not cause any unnecessary labor by reason of Tenant's carelessness or
indifference in the preservation of good order and cleanliness.

          10. Tenant shall not use, keep or permit to be used or kept any foul
or noxious gas or substance in the Premises, or permit or suffer the Premises to
be occupied or used in a manner offensive or objectionable to Landlord or other
occupants of the Building by reason of noise, odors and/or vibrations, or
interfere in any way with other tenants or those having business therein, nor
shall any animals or birds be brought in or kept in or about the Premises or the
Building. In no event shall Tenant keep, use, or permit to be used in the
Premises or the Building any guns, firearm, explosive devices or ammunition.

          11. Except as permitted under Paragraph 23 below, no cooking shall be
done or permitted by Tenant in the Premises, nor shall the Premises be used for
the storage of merchandise, for washing clothes, for lodging, or for any
improper, objectionable or immoral purposes.

          12. Tenant shall not use or keep in the Premises or the Building any
kerosene, gasoline, or inflammable or combustible fluid or material, or use any
method of heating or air conditioning other than that supplied by Landlord.

          13. Landlord will direct electricians as to where and how telephone
and telegraph wires are to be introduced into the Premises and the Building. No
boring or cutting for wires will be allowed without the prior consent of
Landlord. The location of telephones, call boxes and other office equipment
affixed to the Premises shall be subject to the prior approval of Landlord.

          14. Upon the expiration or earlier termination of the Lease, Tenant
shall deliver to Landlord the keys of offices, rooms and toilet rooms which have
been furnished by Landlord to Tenant and any copies of such keys which Tenant
has made. In the event Tenant has lost any keys furnished by Landlord, Tenant
shall pay Landlord for such keys.

          15. Tenant shall not lay linoleum, tile, carpet or other similar floor
covering so that the same shall be affixed to the floor of the Premises, except
to the extent and in the manner approved in advance by Landlord. The expense of
repairing any damage resulting from a violation of this rule or removal of any
floor covering shall be borne by the tenant by whom, or by whose contractors,
employees or invitees, the damage shall have been caused.

          16. No furniture, packages, supplies, equipment or merchandise will be
received in the Building or carried up or down in the elevators, except between
such hours and in such elevators as shall be designated by Landlord, which
elevator usage shall be subject to the Building's customary charge therefor as
established from time to time by Landlord.

          17. On Saturdays, Sundays and legal holidays, and on other days
between the hours of 6:00 P.M. and 8:00 A.M., access to the Building, or to the
halls, corridors, elevators or stairways in the Building, or to the Premises may
be refused unless the person seeking access is known to the person or employee
of the Building in charge and has a pass or is properly identified. Landlord
shall in no case be liable for damages for any error with regard to the
admission to or exclusion from the Building of any person. In case of invasion,
mob, riot, public excitement, or other commotion, Landlord reserves the right to
prevent access to the Building during the continuance of the same by closing the
doors or otherwise, for the safety of the tenants and protection of property in
the Building.

          18. Tenant shall be responsible for insuring that the doors of the
Premises are closed and securely locked before leaving the Building and must
observe strict care and caution that all water faucets or water apparatus are
entirely shut off before Tenant or Tenant's employees leave the Building, and
that all electricity, gas or air shall likewise be carefully shut off, so as to
prevent waste or damage, and for any default or carelessness Tenant shall make
good all injuries sustained by other tenants or occupants of the Building or
Landlord. Landlord shall not be responsible to Tenant for loss of property on
the Premises, however occurring, or for any damage to the property of Tenant
caused by the employees or independent contractors of Landlord or by any other
person.

          19. Landlord reserves the right to exclude or expel from the Building
any person who, in the judgment of Landlord, is intoxicated or under the
influence of liquor or drugs, or who shall in any manner do any act in violation
of any of the rules and regulations of the Building.

          20. The requirements of any tenant will be attended to only upon
application at the office of the Building. Employees of Landlord shall not
perform any work or do anything outside of their regular duties unless under
special instructions from Landlord, and no employee will admit any person
(tenant or otherwise) to any office without specific instructions from Landlord.

                                       2
<PAGE>

          21. No vending machine or machines of any description shall be
installed, maintained or operated upon the Premises without the prior written
consent of Landlord.

          22. Subject to Tenant's right of access to the Premises in accordance
with Building security procedures, Landlord reserves the right to close and keep
locked all entrance and exit doors of the Building on Saturdays, Sundays and
legal holidays and on other days between the hours of 6:00 P.M. and 8:00 A.M.,
and during such further hours as Landlord may deem advisable for the adequate
protection of the Building and the property of its tenants.

          23. Tenant may maintain and use microwave ovens, toaster ovens and
equipment for brewing coffee, tea, hot chocolate and similar beverages; provided
that Tenant shall (i) prevent the emission of any food or cooking odor from
leaving the Premises, (ii) be solely responsible for cleaning the areas where
such equipment is located and removing food-related waste from the Premises and
the Building, or shall pay Landlord's standard rate for such service as an
addition to cleaning services ordinarily provided, (iii) maintain and use such
areas solely for Tenant's employees and business invitees, not as public
facilities, and (iv) keep the Premises free of vermin and other pest infestation
and shall exterminate, as needed, in a manner and through contractors reasonably
approved by Landlord, preventing any emission of odors, due to extermination,
from leaving the Premises. Notwithstanding clause (ii) above, Landlord shall,
without special charge, empty and remove the contents of one (1) 15-gallon (or
smaller) waste container from the food preparation area so long as such
container is fully lined with, and the contents can be removed in, a waterproof
plastic liner or bag, supplied by Tenant, which will prevent any leakage of food
related waste or odors; provided, however, that if at any time Landlord must pay
a premium or special charge to Landlord's cleaning or scavenger contractors for
the handling of food-related or so-called "wet" refuse, Landlord's obligation to
provide such removal, without special charge, shall cease.

                                       3
<PAGE>

                                    EXHIBIT C

                                 LANDLORD'S WORK

Landlord's Work shall consist of the following work performed generally in
accordance with Exhibit A to the proposed Design/Build Agreement between
Landlord and Pankow Special Projects, Ltd (which Exhibit A is referred to in the
Lease as the "Pankow Exhibit A") and consists of one volume entitled Outline
Specifications, dated March 10, 2000, one volume entitled Outline Specification,
Division 15 Mechanical, Division 16 Electrical, and one volume dated March 10,
2000, of drawings by Korth Suseri Hagey Architects):

1.  Men's restroom and women's restroom on each floor of the
               Premises, with size, configuration, fixture counts and
               finishes as determined by Landlord based on occupancy.

2.  Common area stairways with stair doors controlled by the
               Building security system, with stair width, tread rise and
               run, lighting and finishes as determined by Landlord, and no
               ceiling within the stairwells.

3.  At least one janitor room per restroom pair, with unpainted
               walls, rubber base, and no ceiling.

 4. Two electrical rooms on each floor of the Premises to house
               tenant electrical panels and transformers, with unpainted
               walls, VCT floors and no ceiling.

 5. Two telephone rooms on each floor of the Premises for the
               sole purpose of securing the core telephone and data
               communications risers, with unpainted walls and VCT floors.

 6. Shell and core finishes consisting of: perimeter thermal/
               moisture barrier under window sills; smooth troweled
               concrete floors ready for flooring; interior core drywall
               partitions installed to the deck and finished ready for
               paint or wall covering; interior core doors with solid core
               wood with a premium hardwood veneer, installed in metal
               frames with heavy duty hardware; primary air distribution
               ductwork installed consistent with code requirements for
               core and shell; terminal boxes commissioned and operational
               based on unoccupied setpoints per code for interior core
               areas of the Building; fire sprinkler branch piping
               installed with heads installed in a regular grid for code
               required coverage for core and shell; emergency egress
               lighting and fire alarm devices consistent with code
               requirements for core and shell; standard electrical service
               provided to each electrical room.

7.  Five passenger elevator cars in each of lower and upper
               elevator banks, two exclusive garage shuttle elevator cars,
               plus one exclusive freight elevator car, with emergency
               communications/alarm system, elevator cab and controls
               consistent with applicable code requirements, cab finishes
               upgraded from the manufacturer's standard finishes as
               determined by Landlord, and center opening hoistway doors
               with finishes to be determined by Landlord.

8.  Elevator lobbies on each floor of the Premises with floors
               depressed to accept stone flooring, and solid core wood
               doors installed in metal frames with heavy duty lever-type
               hardware, and no ceiling.

                                       4
<PAGE>

                                    EXHIBIT D
                            FORM OF LETTER OF CREDIT

[Date]

OAKLAND CITY CENTER LLC ("Beneficiary")
c/o SHORENSTEIN COMPANY, L.P.
555 California Street, 49th Floor
San Francisco, CA  94104
Attn: Legal Department

               IRREVOCABLE STANDBY LETTER OF CREDIT NO. __________

We hereby establish our Irrevocable Letter of Credit in your favor available by
your drafts drawn on [BANK], at sight, for any sum or sum(s) not exceeding
___________________ Dollars ($___________), for account of Ask Jeeves, Inc.
("Applicant") at 5858 Horton Street, Suite 350, Emeryville, CA. Draft(s) must be
accompanied by supporting documents as described below:

                 A written statement to [BANK] stating that "The principal
                 amount [or the portion requested] of this Letter of Credit is
                 due and payable in accordance with the provisions of that
                 certain Office Lease dated ______________________, between

                 Beneficiary and Applicant."

The written statement shall be accompanied by this Letter of Credit for
surrender; provided, however, that if less than the balance of the Letter of
Credit is drawn, this Letter of Credit need not be surrendered and shall
continue in full force and effect with respect to the unused balance of this
Letter of Credit unless and until we issue to you a replacement Letter of Credit
for such unused balance, the terms of which replacement Letter of Credit shall
be identical to those set forth in this Letter of Credit. We are not required to
inquire as to the accuracy of the matters recited in the written statement or as
to the authority of the person signing the written statement and may take the
act of signing as conclusive evidence of such accuracy and his or her authority
to do so. The obligation of [BANK] under this Letter of Credit is the individual
obligation of [BANK], and is in no way contingent upon reimbursement with
respect thereto.

Each draft must bear upon its face the clause "Drawn under Letter of Credit No.
_____________, dated _____________, of [BANK]."

This Letter of Credit shall be automatically extended for an additional period
of one year from the present or each future expiration date unless we have
notified you in writing delivered via U.S. registered mail, not less than
forty-five (45) days before such expiration date, that we elect not to renew
this Letter of Credit. Upon your receipt of such notification, you may draw your
sight draft on us prior to the then applicable expiration date for the unused
balance of the Letter of Credit, which shall be accompanied by your signed
written statement that you received notification of our election not to extend.

Except so far as otherwise expressly stated herein, this Letter of Credit is
subject to the "Uniform Customs and Practices for Documentary Credits (1993
Revision), International Chamber of Commerce - Publication No. 500." If this
Letter of Credit expires during an interruption of business as described in
article 17 of Publication 500, we hereby specifically agree to effect payment if
this Letter of Credit is drawn against within 30 days after the resumption of
business.

We hereby agree with you that drafts drawn under and in compliance with the
terms of this Letter of Credit will be duly honored if presented to the
above-mentioned drawee at our offices at [ADDRESS IN SAN FRANCISCO BAY AREA] on
or before ___________ PM [__________] Time, or such later expiration date to
which this Letter of Credit is extended pursuant to the terms hereof.

If at any time Beneficiary or its authorized transferee is not in possession of
the original of this Letter of Credit (together with all amendments, if any)
because such original has been delivered to us as required hereunder for a draw
thereon or transfer thereof, our obligations as set forth in this Letter of
Credit shall continue in full force and effect as if Beneficiary or such
authorized transferee still held such original, and any previous delivery to us,
without return by us, of such original shall be deemed to have satisfied any
requirement that such original be delivered to us for a subsequent draw
hereunder or transfer hereof.

This Letter of Credit may be, without charge and without recourse, assigned to,
and shall inure to the benefit of, any successor in interest to [LANDLORD] under
the [TITLE OF DOCUMENT]. Transfer charges, if any, are for the account of the
applicant.

Sincerely,

[BANK]

                                       1
<PAGE>

                                    EXHIBIT E

                               APPRAISAL PROCEDURE

          Within fifteen (15) days after the expiration of the thirty (30)-day
period set forth in Paragraph 54 of the Lease, as the case may be, for the
mutual agreement of Landlord and Tenant as to the fair market monthly rental,
each party hereto, at its cost, shall engage a real estate appraiser to act on
its behalf in determining the fair market monthly rental. The appraisers each
shall have at least ten (10) years' experience with leases in first-class
high-rise office buildings in downtown Oakland and shall submit to Landlord and
Tenant in advance for Landlord's and Tenant's reasonable approval the appraisal
methods to be used. If a party does not appoint an appraiser within such fifteen
(15)-day period but an appraiser is appointed by the other respective party, the
single appraiser appointed shall be the sole appraiser and shall set the fair
market monthly rental. If the two appraisers are appointed by the parties as
stated in this paragraph, such appraisers shall meet promptly and attempt to set
the fair market monthly rental. If such appraisers are unable to agree within
thirty (30) days after appointment of the second appraiser, the appraisers shall
elect a third appraiser meeting the qualifications stated in this paragraph
within ten (10) days after the last date the two appraisers are given to set the
fair market monthly rental. Each of the parties hereto shall bear one-half (1/2)
the cost of appointing the third appraiser and of the third appraiser's fee. The
third appraiser shall be a person who has not previously acted in any capacity
for either party.

          The third appraiser shall conduct his own investigation of the fair
market monthly rent, and shall be instructed not to advise either party of his
determination of the fair market monthly rent except as follows: When the third
appraiser has made his determination, he shall so advise Landlord and Tenant and
shall establish a date, at least five (5) days after the giving of notice by the
third appraiser to Landlord and Tenant, on which he shall disclose his
determination of the fair market monthly rent. Such meeting shall take place in
the third appraiser's office unless otherwise agreed by the parties. After
having initialed a paper on which his determination of fair market monthly rent
is set forth, the third appraiser shall place his determination of the fair
market monthly rent in a sealed envelope. Landlord's appraiser and Tenant's
appraiser shall each set forth their determination of fair market monthly rent
on a paper, initial the same and place them in sealed envelopes. Each of the
three envelopes shall be marked with the name of the party whose determination
is inside the envelope.

          In the presence of the third appraiser, the determination of the fair
market monthly rent by Landlord's appraiser and Tenant's appraiser shall be
opened and examined. If the higher of the two determinations is 105% or less of
the amount set forth in the lower determination, the average of the two
determinations shall be the fair market monthly rent, the envelope containing
the determination of the fair market monthly rent by the third appraiser shall
be destroyed and the third appraiser shall be instructed not to disclose his
determination. If either party's envelope is blank, or does not set forth a
determination of fair market monthly rent, the determination of the other party
shall prevail and be treated as the fair market monthly rent. If the higher of
the two determinations is more than 105% of the amount of the lower
determination, the envelope containing the third appraiser's determination shall
be opened. If the value determined by the third appraiser is the average of the
values proposed by Landlord's appraiser and Tenant's appraiser, the third
appraiser's determination of fair market monthly rent shall be the fair market
monthly rent. If such is not the case, fair market monthly rent shall be the
rent proposed by either Landlord's appraiser or Tenant's appraiser which is
closest to the determination of fair market monthly rent by the third appraiser.

                                       2

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