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     THIS LEASE ("Lease") dated as of the 27th day of October, 1998, is made by
and between S/I NORTHCREEK II, A WASHINGTON LIMITED LIABILITY COMPANY
("Landlord"), and MICROVISION, INC., A WASHINGTON CORPORATION ("Tenant").

                             ARTICLE I: DEFINITIONS

     1.01 Defined Terms. The following terms shall have the meanings specified
in this Section, unless otherwise specifically provided. Other terms may be
defined in other parts of the Lease.


Landlord:           S/I NORTHCREEK II, LLC

Landlord's Address: c/o Schnitzer Northwest
                    11830 N.E. 195th Street
                    Bothell, Washington  98011

Tenant:             MICROVISION, INC.

Tenant's Address:   Prior to Lease Commencement:
                    2203 Airport Way South, Suite 100
                    Seattle, Washington  98134
                    Attn: Richard Raisig, Vice President of Operations
                          and Chief Financial Officer

                    After Lease Commencement:
                    At the Premises
                    Attn: Richard Raisig, Vice President of Operations
                          and Chief Financial Officer

Tenant's Use:       Office, laboratory, research and development and light
                    manufacturing for a company in the business of
                    electro-optics technology development and ancillary and
                    related purposes

Project:            NORTH CREEK TECHNOLOGY CAMPUS I

Property:           Approximately 214,865 square feet of gross land area
                    constituting the real property described in Exhibit "A-1"
                    and depicted on the Project Site Plan attached as Exhibit
                    "B."

Building:           That certain two (2) story concrete tilt-up office building
                    designated as Building F on the Project Site Plan attached
                    hereto as Exhibit B with a rentable area of approximately
                    67,471 square feet

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                    to be constructed by Landlord on the Property, as well as
                    Building E shown on the Site Plan when occupied by Tenant
                    pursuant to Section 2 below.

Premises:           Approximately 67,471 rentable square feet consisting of the
                    entire Rentable Area (as defined in Section 2.01) of the
                    Building, as shown on the Property Site Plan attached as
                    Exhibit "C."

Term:               Commencing upon the Commencement Date (as defined in Section
                    4.01) and expiring seven (7) years (84 months) thereafter,
                    with an Option to Extend for a five (5) year Extended Term
                    pursuant to Section 2.05(b) and 4.03, and an Option to
                    Extend for an additional two (2) year Extended Term pursuant
                    to Section 2.06(b) below.

Scheduled
Commencement
Date:               March 4, 1999

Base Rent:

(a) Initial Term

     (i)       Initial Premises (67,471 RSF Building F)

         Months                          Monthly Installments

         1 - 12                             $79,291.00*
         13 - 42                            $83,525.00*
         43 - 84                            $91,992.00*

*To be adjusted to reflect actual square footage of the Premises, as verified by
Landlord's and Tenant's architect upon substantial completion, to the extent the
Rentable Area of Building F is less or more than 67,471 square feet, the
shortfall or excess shall reduce or increase, as applicable, the Base Rent for
the Building F Premises at the rate of $1.1752 per square foot for Months 1 - 12
of the Lease Term; $1.2379 per square foot of shortfall or excess for months
13-42 of the Lease Term, and $1.3634 per square foot of shortfall or excess for
months 43-84 of the Lease Term.

     (ii)      Expansion Space in Building E (Sections 2.04, 2.05 and/or 2.06) -
          Months relate to months of initial Lease Term during which
          Expansion Space is leased, as applicable:

         Months                          Rent Per RSF per Month

         1 - 42                             $1.1500
         43 - 84                            $1.2755

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(b)  Extended Term: Fair market rental value as determined pursuant to Section
     4.03


Prepaid Rent:                 $79,291.00 applicable to Month 1

Security Deposit:             $79,291.00

Tenant's Share of Building F: 100%

Tenant's Share of Project (for Building F only upon full development of the
Project): 23.54%

Surface Parking Spaces:       Approximately 226 uncovered surface parking spaces
                              adjacent to the Building shall be provided for the
                              non-exclusive use of Tenant, its employees and
                              visitors.


Exhibits   Exhibit A-1:   Legal Description of Building F Property
           Exhibit A-2:   Legal Description of Building E Property
           Exhibit B:     Project Site Plan
           Exhibit C:     Property Site Plan
           Exhibit D:     Work Schedule
           Exhibit E-1:   List of Plans and Specifications for Base Building "F"
           Exhibit E-2:   Outline Specifications to Base Building Shell and
                          Design/Build Mechanical & Electrical Systems
           Exhibit E-3:   Tenant Improvement Plans for Building F Premises
           Exhibit F:     Notice of Commencement of Lease
           Exhibit G:     Estoppel Certificate
           Exhibit H:     Form of Memorandum of Lease
           Exhibit I:     Rules and Regulations
           Exhibit J:     Form of Letter of Credit
           Exhibit K:     Form of Bond

                  ARTICLE II: PREMISES AND COMMON AREAS LEASED

     2.01 Project; Property; Building; Premises. Landlord hereby leases to
Tenant, and Tenant hereby leases from Landlord, subject to the provisions of
this Lease, the Premises to be located within Building F to be constructed by
Landlord as more fully described in Section 3.01 below, on the Property legally
described in Exhibit A-1 attached hereto and by this reference incorporated
herein, which Property is a portion of the "Project" identified in Section 1.01.
The location of the Property, Building F to be built on the Property and the
location of the Premises are more particularly shown on the Project Site Plan
and Property Site Plan attached hereto as Exhibit B and Exhibit C, respectively.
The term Rentable Area as used in this Lease will be determined using the
"Standard Method of Measuring Floor Area in Office Buildings" (reprinted

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June 7, 1996) by BOMA International. Notwithstanding the above, the Rentable
Area of the Premises shall not be decreased to reflect any mechanical
penetrations completed in connection with Tenant Improvements to the Premises.
The Project Site Plan and the Property Site Plan attached hereto as Exhibit B
and Exhibit C, respectively, are attached for location reference purposes only
and shall not constitute a representation by Landlord to be the final plan of
the Project or to require Landlord to build any improvements or to otherwise
comply with the site plans; provided, however, except as may be required in
order to comply with any applicable laws, ordinances, codes or regulations,
Landlord shall not make changes to such site plans which would materially affect
access to the Premises or availability of parking spaces to which Tenant is
entitled pursuant to this Lease, without Tenant's prior written approval, which
approval shall not be unreasonably withheld or delayed. Tenant acknowledges
that, except as otherwise expressly set forth in this Lease, neither Landlord
nor any agent of Landlord has made any representation or warranty with respect
to the Premises, the Building, the Common Areas or the Project or their
suitability for the conduct of Tenant's business. In addition to Tenant's lease
of the Premises within Building F, Tenant has the obligation and option to lease
additional space within another building ("Building E"), to be constructed by
Landlord on the property legally described in Exhibit A-2. When and to the
extent Tenant leases the First Expansion Space, Second Expansion Space or Third
Expansion Space (collectively, the "Expansion Space") pursuant to Sections 2.04,
2.05 and/or 2.06 below, (a) the term "Premises", as used in this Lease, shall be
deemed to include the initial Premises in Building F and the applicable
Expansion Space leased by Tenant; (b) the term "Building", as such term is used
in this Lease, shall mean both Building E and Building F; and (c) the term
"Property", as used in this Lease, shall be deemed to mean the real property
legally described in Exhibit A-1 and Exhibit A-2. In addition, at such time and
from time to time as Tenant commences to lease all or any portion of the
Expansion Space, Tenant shall pay Additional Rent with respect to such Expansion
Space, and Tenant's Share of Operating Expenses incurred with respect to
Building E and the real property legally described in Exhibit A-2, pursuant to
Tenant's Share of such Building E as determined pursuant to Subsection
6.01(b)(iii) below. Landlord confirms that the zoning in effect for the real
property described in Exhibits A-1 and A-2 as of the date of this Lease permits
the Premises and Building to be used for the purpose set forth in Section 1.01
above.

     2.02 Common Areas. In addition to the Premises, Tenant shall have the
non-exclusive right to use in common with other tenants and/or occupants of the
Property, the Project and the master project commonly known as Schnitzer North
Creek (the "Master Project"), the following areas of the Property, Project and
Master Project: parking areas and facilities, roadways, sidewalks, walkways,
parkways, plazas, levees, driveways and landscaped areas and similar areas and
facilities situated within the exterior areas of the Property, Project and
Master Project and not otherwise designated for the exclusive or restricted use
by Landlord and/or individual tenants of other buildings located within the
Property, Project or Master Project (collectively, "Common Areas"). Tenant
acknowledges that Landlord shall have no obligation to construct or complete any
additional buildings within the Project or Master Project or improvements to the
Common Areas other than Landlord's obligation to complete the construction of
the sitework and Common Area of the Property pursuant to Article III below and
as depicted on Exhibit E-1 and E-2 attached hereto (to the extent applicable to
the Property or necessary to provide access to the

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<PAGE>
Property) and the improvements to be made by Landlord to the property described
in Exhibit A-2, including without limitation the construction of Building E and
the Common Areas of such property as shown on the Project Site Plan. Tenant's
right to utilize the Common Areas shall at all times be subject to Landlord's
reserved rights therein as described in Section 17.04 hereof, the Rules and
Regulations referred to in Section 17.15 hereof and all covenants, conditions
and restrictions ("CC&Rs") now or hereafter affecting or encumbering the
Project; provided that the same do not materially and adversely affect the
general right of Tenant to use the Common Areas or other express rights of
Tenant under this Lease.

     2.03 Exclusion of Space for Months 1 - 12. Notwithstanding the description
of the Premises in Sections 1.01 and 2.01 above, Landlord and Tenant acknowledge
that the Base Rent identified in Section 1.01 for the first twelve (12) months
of the Lease Term contemplates Tenant's occupancy of approximately 49,000
rentable square feet of the Premises, as determined by the Plans (as such term
is defined in Section 3.01(b)) for such twelve (12) month period. To the extent
Tenant occupies more than 49,000 square feet at any time during said first
twelve (12) months of the Lease Term, Tenant shall be required to commence and
continue to pay during the remainder of the initial twelve (12) month period,
additional monthly Base Rent equal to $.2292 multiplied by the number of square
feet occupied by Tenant in excess of 49,000 square feet. Once Tenant occupies
any portion of the Premises in excess of 49,000 square feet, Tenant shall
thereafter continue to pay Rent thereon for the remainder of said first (12)
months of the Lease Term, whether or not Tenant continues to occupy such space,
and Tenant shall commence to pay Base Rent on the entire 67,471 square feet of
the Building on the thirteenth month of the Lease Term, whether or not Tenant
occupies the same (which increased Base Rent is reflected in the rent schedule
set forth in Section 1.01 from and after the thirteenth month of the Lease
Term). Landlord shall improve such additional space on or before the date ninety
(90) days after the later of (a) receipt of a permit for the applicable
improvements; or (b) notification by Tenant that Landlord should proceed with
construction of the improvements, which improvements shall be completed in
accordance with Section 3.01 below, to the extent applicable, and shall be
subject to the total tenant improvement allowance for improvement of the entire
Premises set forth in Subsection 3.01(d)(2).

     2.04 Lease of First Expansion Space.

          (a) Tenant shall have the right and obligation to lease additional
space (the "First Expansion Space") with a Rentable Area of between 25,000 and
34,000 square feet (as determined by Landlord), to be located in Building E of
the Project, which Building E is to be constructed by Landlord on the real
property legally described in Exhibit A-2 in the general location shown on the
Project Site Plan. Tenant shall commence to lease the First Expansion Space in
one or more increments (as determined by Landlord) commencing during the period
between the thirty-seventh (37th) and forty-eighth (48th) months of the Lease
Term (the "First Expansion Period"). The First Expansion Space shall, as
determined by Landlord, be made available in either a single block of space or
one or more contiguous or non-contiguous spaces in said Building E. Landlord
shall give Tenant not less than twelve months notice, on one or more occasions,
that all or a portion of the First Expansion Space will be available for lease
by Tenant on a date within the First Expansion Period, which notice shall
specify

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<PAGE>
the size and location of the applicable First Expansion Space and the
date on which it shall be available which date shall allow Tenant at least
thirty (30) days to construct tenant improvements prior to commencing to pay
Rent with respect to such First Expansion Space. Tenant shall be obligated to
lease, and shall be allowed to take occupancy of, such portion of the First
Expansion Space commencing on the later of (i) the date set forth in said notice
or (ii) the date thirty (30) days after the current tenant of the applicable
First Expansion Space vacates the space; provided, however, in the event the
applicable First Expansion Space becomes available prior to the date set forth
in Landlord's notice, Landlord shall have the right to give Tenant a
supplemental notice accelerating the date of Tenant's lease of such First
Expansion Space to an earlier date within the First Expansion Period, in which
event Tenant shall commence leasing the applicable First Expansion Space on the
date set forth in such supplemental notice, which date shall not be earlier than
the date sixty (60) days after Tenant's receipt of such supplemental notice.

          (b) Landlord shall provide a per square foot improvement allowance for
improvements to be made by Tenant to the First Expansion Space equal to the
difference between $25.00 per square foot of the First Expansion Space leased by
Tenant and the cumulative average per square foot cost of improvements
previously made to and existing in the applicable First Expansion Space (as
reasonably determined by Landlord and based on records or other substantiation
provided to Tenant). For illustrative purposes only, in the event the First
Expansion Space, as determined by Landlord pursuant to Section 2.04(a) above,
consists of a total of 25,000 rentable square feet, and if Landlord had
previously expended $500,000.00 on improvements to such First Expansion Space
(which constitutes an average of $20.00 per square foot: $500,000.00 divided by
25,000 = 20), Tenant would be entitled to an amount equal to $5.00 per square
foot of the applicable First Expansion Space as a tenant improvement allowance
to reimburse Tenant for actual leasehold improvements made by Tenant to the
First Expansion Space. In the event Landlord has previously expended sums in
excess of an average of $25.00 per square foot in improvement of the applicable
First Expansion Space, Tenant will not be entitled to any allowance pursuant to
this Subsection 2.04(b). Tenant shall be obligated to pay all improvement costs
in excess of such allowance. Landlord shall reimburse Tenant for the cost of
actual improvements made by Tenant to the First Expansion Space, up to the
maximum amount of the allowance as determined above in this Subsection 2.04(b),
upon completion by Tenant of all its improvements to the applicable First
Expansion Space and the providing by Tenant to Landlord of reasonably acceptable
documentation substantiating such costs and full lien releases from all
contractors and subcontractors providing work to the applicable First Expansion
Space.

          (c) Upon the date Tenant is required to commence leasing any
applicable First Expansion Space as set forth in Subsection 2.04(a) above, the
applicable portion of the First Expansion Space will be deemed to become a part
of the Premises and Tenant shall begin paying Base Rent on the First Expansion
Space at the per rentable square foot for Expansion Space as set forth in
Section 1.01, as the same may be increased pursuant to the terms of said Section
1.01 or if the Term is extended pursuant to Section 4.03 of this Lease. In
addition, Tenant shall be required to pay Additional Rent (as defined in Section
5.02 and 6.01 below) with respect to the First Expansion Space and Tenant's
Share of Building E and the Project shall be calculated and adjusted as set
forth in Subsection 6.01(b)(iii) below.

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          (d) Landlord and Tenant shall enter into an amendment to this Lease
within thirty (30) days after Tenant's receipt of notice from Landlord that
applicable First Expansion Space will be available, which amendment shall set
forth the changes to the Lease as may be required by this Section 2.04 and as
otherwise reasonably appropriate. Landlord shall prepare and present a proposed
amendment as contemplated by this Subsection and Tenant shall have five (5) days
after receipt thereof to execute the same or respond with reasonable requested
revisions thereto.

          (e) From time to time upon request by Tenant, but not more frequently
than once in any six (6) month period, Landlord shall provide Tenant with floor
plans for Building E showing the location, square footage and expiration date of
applicable leases of First Expansion Space designated by Landlord.

     2.05 Option to Lease Second Expansion Space.

          (a) Tenant shall have the option to lease, and Landlord shall have the
obligation to provide, additional space (the "Second Expansion Space") with a
Rentable Area of between 8,500 and 17,000 square feet (as determined by Landlord
in its sole discretion), to be located in Building E. The Second Expansion Space
may, as determined by Landlord, be made available in either a single block of
space or one or more contiguous or non-contiguous spaces in said Building E and
shall be made available for lease by Tenant at one or more times between the
sixty-first (61st) and seventy-second (72nd) months of the Lease Term (the
"Second Expansion Period"). Landlord shall give Tenant not less than six (6)
months, notice that all or any portion of the Second Expansion Space identified
in such notice by size and location, will become available for lease by Tenant
on a date within the Second Expansion Period specified in said notice from
Landlord, which date shall allow Tenant at least thirty (30) days to construct
its tenant improvements before being obligated to pay Rent with respect to such
offered Second Expansion Space. Tenant shall have the right and option to elect
to lease the applicable Second Expansion Space identified in Landlord's notice,
by giving Landlord written notice of such election on or before the date thirty
(30) days after receipt by Tenant of Landlord's notice offering such Second
Expansion Space for lease. In the event Tenant does not elect to lease the
applicable Second Expansion Space by timely notice to Landlord as required
above, Landlord shall have no further obligation to lease such offered space to
Tenant and Landlord shall be deemed to have fulfilled its obligation to offer
Tenant Second Expansion Space to the extent of the square foot Rentable Area of
the Second Expansion Space offered to Tenant but which Tenant does not elect to
lease. For illustrative purposes only, if Landlord offers Tenant an increment of
Second Expansion Space of 7,500 rentable square feet and Tenant fails to elect
to lease such Second Expansion Space pursuant to this Subsection 2.05(a),
Landlord will be relieved of its obligation to offer 7,500 rentable square feet
of Second Expansion Space to Tenant and Landlord shall only be obligated to
offer to Tenant, effective at some time during the Second Expansion Period,
another increment or increments of Second Expansion Space of a total area of not
less than 1,000 rentable square feet (and up to a total of 9,500 rentable square
feet at Landlord's sole election). Notwithstanding the above, Tenant's failure
to elect to lease all or any portion of the Second Expansion Space shall not
affect Tenant's rights to lease all or a portion of the Third Expansion Space.

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          (b) As a condition to and automatically upon Tenant's exercise of its
Option to lease all or any portion of the Second Expansion Space, Tenant will be
deemed to have exercised its Option to Extend the term of the Lease for an
additional five (5) year period commencing at the expiration of the Initial
Term, on the terms and conditions set forth in Section 4.03 below (including the
allowance described in Section 4.03(d) below) and the Base Rent for the Extended
Term shall be determined pursuant to Section 4.03(e) below; provided, however
Landlord's first notice under Section 2.05(a) shall include Landlord's
Determination of the Fair Market Base Rent for the Extended Term and Tenant's
first notice of its election to lease Second Expansion Space pursuant to Section
2.05(a) shall indicate whether it agrees or disagrees with Landlord's
determination. If Tenant disagrees with Landlord's determination, Tenant shall
have no right to withdraw its election to extend the Lease Term and the
procedure for determining fair market rental for the Extended Term pursuant to
Section 4.03(e) below shall be used to determine fair market Base Rent for the
Extended Term.

          (c) Upon exercise by Tenant of its option pursuant to this Section
2.05, Landlord shall provide Tenant with an allowance of $4.35 per square foot
of the Second Expansion Space leased by Tenant to reimburse Tenant for actual
costs of leasehold improvements made by Tenant to the Second Expansion Space.

          (d) Tenant shall commence its lease of any applicable Second Expansion
Space on the later to occur of (i) the date set forth in Landlord's notice
offering the applicable Second Expansion Space, or (ii) the date thirty (30)
days after the current tenant of the applicable Second Expansion Space vacates
the space, on which date Tenant shall commence paying Base Rent on the
applicable Second Expansion Space at the per rentable square foot rate for
Expansion Space set forth in Section 1.01 above, as the same may be increased
pursuant to the terms of said Section 1.01, Section 4.03 or otherwise in this
Lease. In addition, Tenant shall be required to pay Additional Rent (as defined
in Section 5.02 and 6.01 below) with respect to the Second Expansion Space and
Tenant's Share of Building E and the Project shall be calculated and adjusted as
set forth in Subsection 6.01(b)(iii) below. . (e) In the event Landlord is
required to relocate one or more tenants of Building E to make the Second
Expansion Space, or portion thereof, available to Tenant, Tenant will reimburse
Landlord for any Moving Expenses incurred by Landlord in relocating such tenant
or tenants; provided, however, Tenant shall not be obligated to pay more than a
cumulative total amount of $127,000.00 for reimbursement of such Moving Expenses
under this Subsection 2.05(e) and 2.06(e) below. The term "Moving Expenses"
shall include the actual costs incurred in connection with a physical move to a
location not more than fifty (50) miles from the Property, including breakdown
and packing, moving and set-up at the Premises, necessary technical and support
services in connection with the disconnection of electrical and computer
equipment and reinstalling such equipment at the relocated premises and printing
services required to replace inventory of tenant's printed materials, including
without limitation, stationary, brochures, and business cards, all as evidenced
by invoices or other written substantiation submitted to Tenant.

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          (f) Landlord and Tenant shall enter into an amendment to this Lease
within thirty (30) days after Tenant's written election to lease any portion of
the Second Expansion Space, or portion thereof, which amendment shall set forth
the changes to the Lease as may be required by this Section 2.05 and as
otherwise reasonably appropriate. Landlord shall prepare and present a proposed
amendment as contemplated by this Subsection and Tenant shall have five (5) days
after receipt thereof to execute the same or respond with reasonable requested
revisions thereto.

          (g) Landlord shall have no obligation to provide notices or allow
Tenant to occupy any Second Expansion Space during any period in which a
material Event of Default by Tenant exists under this Lease. In addition,
notwithstanding anything herein to the contrary, in the event there is more than
one material Event of Default by Tenant under Section 13.01 below in any
eighteen (18) month period during the Lease Term, at Landlord's election and in
its sole discretion, by written notice to Tenant Landlord may terminate all
future rights of Tenant to lease the Second Expansion Space pursuant to this
Section 2.05 in which event the same shall become, null and void and Tenant
shall have no further rights under this Section 2.05. For purposes of this
Subsection (g), the term "material" shall mean cumulative monetary default(s) in
excess of $50,000.00 which is not cured within the applicable cure period set
forth in Section 13.01 below.

     2.06 Option to Lease Third Expansion Space.

          (a) Provided and on the condition that the Lease Term has been
extended pursuant to Section 2.05(b) or Section 4.03 below, Tenant shall have
the option to lease, and Landlord shall have the obligation to provide,
additional space (the "Third Expansion Space") with a Rentable Area of between
17,000 and 34,000 square feet (as determined by Landlord in its sole
discretion), to be located in Building E. The Third Expansion Space may, as
determined by Landlord, be made available in either a single block of space or
one or more contiguous or non-contiguous spaces in said Building E and shall be
made available for lease by Tenant at one or more times between the
eighty-seventh (87th) and one hundred second (102nd) months of the Lease Term
(the "Third Expansion Period"). Landlord shall give Tenant not less than twelve
(12) months notice that all or any portion of the Third Expansion Space
identified in such notice by size and location will become available for lease
by Tenant on a date within the Third Expansion Period specified in said notice
from Landlord, which date shall allow Tenant at least thirty (30) days to
construct tenant improvements before becoming obligated to pay Rent on the
offered Third Expansion Space. Tenant shall have the right and option to elect
to lease the applicable Third Expansion Space identified in Landlord's notice,
by giving Landlord written notice of such election on or before the date thirty
(30) days after receipt by Tenant of Landlord's notice offering such Third
Expansion Space for lease. In the event Tenant does not elect to lease the
applicable Third Expansion Space by timely notice to Landlord as required above,
Landlord shall have no further obligation to lease such offered space to Tenant
and Landlord shall be deemed to have fulfilled its obligation to offer Tenant
Third Expansion Space to the extent of the square foot Rentable Area of the
Third Expansion Space offered to Tenant but which Tenant does not elect to
lease.

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          (b) Upon and simultaneously with Tenant's exercise of its option to
lease all or any portion of the Third Expansion Space, Tenant will have an
option to extend the Term of the Lease for two (2) years from the date on which
the first Extended Term would otherwise expire (the "Second Extended Term").
Tenant shall notify Landlord of such election to extend the term of the Lease
pursuant to this subsection at the same time as Tenant notifies Landlord of its
election to lease the Third Expansion Space.

          (c) Landlord's first notice under Section 2.06(a) shall include
Landlord's Determination of the Fair Market Base Rent for the Third Expansion
Space during the remainder of the Extended Term and for the Second Extended Term
(if exercised by Tenant) and Tenant's first notice of its election to lease
Third Expansion Space pursuant to Section 2.06(a) shall indicate whether Tenant
elects to exercise the option to extend for the Second Extended Term and whether
or not Tenant agrees or disagrees with Landlord's Determination of Fair Market
Base Rent for the Third Expansion Space for the remainder of the Extended Term
and, if applicable, for the entire Premises for the Second Extended Term. If
Tenant elects to exercise its option to lease Third Expansion Space and, if
applicable, its exercise of its option to Lease the Premises for the Second
Extended Term, but Tenant disagrees with Landlord's Determination of Fair Market
Base Rent for the same, Tenant shall have no right to withdraw its election to
lease the Third Expansion Space or to extend the Lease Term for the Second
Extended Term and the procedure for determining fair market rental for the Third
Expansion Space for the remainder of the Extended Term and the Second Extended
Term, if applicable, shall be completed pursuant to Section 4.03 (e) below.

          (d) Subject to exercise by Tenant of its option to extend the Lease
for the Second Extended Term pursuant Subsection 2.06(b) above, Landlord shall
provide Tenant with an allowance of up to $4.65 per square foot of the Third
Expansion Space leased by Tenant to reimburse Tenant for actual costs for
leasehold improvements made by Tenant to the Third Expansion Space.

          (e) Tenant shall commence its lease of any applicable Third Expansion
Space on the later to occur of (i) the date set forth in Landlord's notice
offering the applicable Third Expansion Space, or (ii) the date thirty (30) days
after the current tenant of the applicable Third Expansion Space vacates the
space, on which date Tenant shall commence paying Base Rent on the applicable
Third Expansion Space at the greater of (i) the fair market rental value of the
Third Expansion Space as determined by Landlord and Tenant pursuant to the
procedures of Section 4.03 below, or (ii) the per rentable square foot rate for
the remainder of the Premises pursuant to this Lease as is in effect at the time
of the commencement by Tenant of its Lease of the applicable Third Expansion
Space, as the same may be increased pursuant to the terms of said Section 1.01,
Section 4.03 or otherwise in this Lease. In addition, Tenant shall be required
to pay Additional Rent (as defined in Section 5.02 and 6.01 below) with respect
to the Third Expansion Space and Tenant's Share of Building E and the Project
shall be calculated and adjusted as set forth in Subsection 6.01(b)(iii).

          (f) In the event Landlord is required to relocate one or more tenants
of Building E to make the Third Expansion Space, or portion thereof, available
to Tenant, Tenant

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will reimburse Landlord for any Moving Expenses (as defined in Subsection
2.05(e) above) incurred by Landlord in relocating such tenant or tenants in
accordance with and subject to the limitations of Section 2.05(e) above.
Notwithstanding the above, in the event any tenant or tenants which Landlord is
required to relocate in order to make all or any portion of the Third Expansion
Space available for lease by Tenant, had an initial lease term of at least seven
(7) years and are required to be relocated only after the expiration of such
initial term, Landlord shall contribute up to $2.65 per square foot of the Third
Expansion Space occupied by such relocated tenant or tenant for such Moving
Expenses up to a total of $90,000.00 and, subject to the dollar limitations set
forth in Section 2.05(e) above Tenant shall only be required to reimburse
Landlord pursuant to this Subsection 2.06(f) for such Moving Expenses in excess
of the amount to be paid by Landlord pursuant to this Subsection 2.06(f).

          (g) Landlord and Tenant shall enter into an amendment to this Lease
within thirty (30) days after Tenant's written election to lease any portion of
the Third Expansion Space, or portion thereof, which amendment shall set forth
the changes to the Lease as may be required by this Section 2.05 and as
otherwise reasonably appropriate. Landlord shall prepare and present a proposed
amendment as contemplated by this Subsection and Tenant shall have five (5) days
after receipt thereof to execute the same or respond with reasonable requested
revisions thereto.

          (h) Landlord shall have no obligation to provide notices or allow
Tenant to occupy any Third Expansion Space during any period in which a material
Event of Default by Tenant exists under this Lease. In addition, notwithstanding
anything herein to the contrary, in the event there is more than one material
Event of Default by Tenant under Section 13.01 below in any eighteen (18) month
period during the Lease Term, at Landlord's election and in its sole discretion,
by written notice to Tenant Landlord may terminate all future rights of Tenant
to lease the Third Expansion Space pursuant to this Section 2.06 and such
provisions shall become null and void and Tenant shall have no further rights
under this Section 2.06. For purposes of this Subsection (h), the term
"material" shall mean cumulative monetary default(s) in excess of $50,000.00
which is not cured within the applicable cure period set forth in Section 13.01
below.

     2.07 Holdover of Tenancies in Expansion Space. If the date that any portion
of the First, Second or Third Expansion Space is to be available to Tenant is
delayed beyond the date specified in Landlord's notice (including the thirty
(30) days allocated for construction of Tenant's improvements) due to holding
over by the prior tenant, Landlord shall aggressively pursue eviction of such
tenant so as to enable Tenant to take occupancy of the subject Expansion Space
as soon as practicable and, to the extent Landlord receives holdover rent from
such tenant in excess of the rental which would have been paid by Tenant under
this Lease had Tenant been able to occupy the Premises as contemplated herein
during such holdover period, Tenant shall be entitled to receive such excess
compensation as full satisfaction of any obligation of Landlord to provide
Tenant occupancy of the applicable Expansion Space during such holdover period.

                                       11
<PAGE>
                            ARTICLE III: IMPROVEMENTS

     3.01 Construction of Building F and Premises in Building F.

          (a) Completion Schedule. Attached hereto as Exhibit D is a schedule
(the "Work Schedule") agreed upon by Landlord and Tenant setting forth the
estimated timetable for the planning, permitting, construction and completion of
the Premises to be built within the Building F on the Property legally described
in Exhibit A-1.

          (b) Building and Premises Plans. A list of the plans and
specifications for the sitework and Building shell are attached hereto as
Exhibit E-1 and by this reference incorporated herein (the "Building F Shell
Plans"). In addition to the Building F Shell Plans, Landlord's architect, JPC
Architecture Group, in cooperation with Tenant and its consultants, shall
prepare final working drawings and specifications for the improvements to the
Premises (the "Tenant Improvement Plans for Building F") which shall be subject
to the approval of Landlord and Tenant in accordance with the Work Schedule and
which, when approved, shall be attached hereto as Exhibit E-3. The Building F
Shell Plans and the Tenant Improvement Plans for Building F are together
referred to herein as the "Plans." After final approval of the Tenant
Improvement Plans for Building F, no material changes to such Tenant Improvement
Plans for Building F shall be made except with the approval of both Landlord and
Tenant.

          (c) Construction of Building F and Premises in Building F. Landlord
shall work with Sierra Construction Company or other contractor chosen by
Landlord (the "Contractor") for construction of the Building and the tenant
improvements to the Premises in Building F ("Building F Tenant Improvements").
It is the intent of Landlord and Tenant that Landlord shall enter into a
separate or supplemental guaranteed maximum price contract with Contractor for
construction of the Building F Tenant Improvements and that Contractor will
competitively bid the subcontracts to qualified subcontractors with final
subcontracts being awarded by Contractor. Tenant shall have the right to provide
input on the selection of the electrical design/build subcontractor and Landlord
shall accommodate Tenant's desires with respect to the same to the extent
economically and practically reasonable in Landlord's discretion. After the
Tenant Improvement Plans for Building F have been prepared, and approved by the
parties, final pricing has been approved by Landlord and Tenant and building
permits have been issued, Landlord shall cause the Building and the Premises to
be constructed by the Contractor in accordance with the Plans. Landlord shall
supervise the completion of such work and shall use its good faith efforts to
secure substantial completion of the work in accordance with the Work Schedule.
The cost of such work shall be paid as provided in Paragraph 3.01(d) below.

          (d) Payment for Construction of Building and Premises

               (1) Subject to Sections 3.01(d)(2) and (3) below, Landlord shall
pay for the following costs:

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<PAGE>
                    (aa) Payment of the cost of preparing the Plans, including
     mechanical, electrical, plumbing and structural drawings and of all other
     aspects necessary to complete the Plans.

                    (bb) The payment of plan check, permit and license fees
     relating to construction of the Building and the Premises.

                    (cc) Construction of the Building pursuant to the Building
     Shell Plans on a "turn-key" basis.

               (2) Landlord shall provide the following funds in connection with
the design and construction of the Building F Tenant Improvements:

                    (aa) Within five (5) business days after presentation to
Landlord of invoices or other reasonable substantiation, Landlord will pay up to
the sum of $10,120.00 for the cost of space planning, design and construction
drawings incurred in connection with the planning and design of the Building F
Tenant Improvements. Any such costs in excess of $10,120.00 shall be paid by
Tenant upon receipt by Tenant of invoices for the same (or be funded from the
allowance available under Subsection (bb).

                    (bb) Landlord will pay up to the sum of $25.00 per square
foot of the Premises in Building F, to the extent and at the time the same are
improved, which allowance shall be applied to space planning, construction
drawings, fees and permits and hard costs as reflected in the construction
contract and changes thereto, and Washington State Sales Tax with respect to the
Building F Tenant Improvements pursuant to the Tenant Improvement Plans for
Building F. Except as otherwise provided by Subsection (cc) below, any such
costs in excess of $25.00 per square foot of the Premises in Building F improved
pursuant to Tenant Improvement Plans for Building F shall be paid by Tenant into
Landlord's construction account simultaneously with execution by Landlord of the
construction contract for the same.

                    (cc) At Tenant's written election to Landlord at the time of
Landlord's entering into of the construction contract for the Tenant
Improvements, Landlord shall fund up to an additional $420,000.00 toward the
cost of the Tenant Improvements in excess of the per square foot allowance
provided in (bb) above; provided, that, as a condition to Landlord's obligation
to fund such excess improvements, Landlord and Tenant shall enter into an
amendment to this Lease so as to increase the Base Rent for the Building F
Premises by an amount necessary to amortize the total amount of excess costs
paid by Landlord pursuant to this Subsection (cc) over the initial Term of this
Lease at a 10.47% effective annual amortization rate.

                    (dd) Landlord shall provide an allowance of $7,000.00 to be
used to pay for a security system to be installed in the Premises, payable
within five (5) business days after Tenant's presentation to Landlord of an
invoice or other reasonable substantiation of the cost of such system.

                                       13
<PAGE>
               (3) Tenant will, at its sole cost and expense, pay for any
improvements to the Premises not expressly included in the Plans and shall
arrange for the installation of all Tenant's furniture, fixtures and equipment
associated with its business. Costs associated with Tenant's equipment, layout,
design and construction coordination for any improvements not expressly included
in the Plans are also the sole responsibility of Tenant.

          (e) Delay in Completion. If there shall be a delay in substantial
completion of Building F or the Premises or the issuance of a Certificate of
Occupancy for the same as a result of:

               (1) Tenant's failure to approve any item or perform any other
obligation in accordance with and by the date specified in the Work Schedule
within five (5) business days after receipt of notice from Landlord;

               (2) Tenant's request for changes in materials, finishes or
installations other than those readily available;

               (3) Tenant's request to deviate from the Plans; or

               (4) Tenant's interference with Landlord's construction of the
Building or the Premises during Tenant's work within the Premises (whether such
work is performed by Tenant or its contractor or by Landlord or its contractor
on Tenant's behalf);

               (5) Tenant's failure to provide funds, the LC and/or Bond, or to
otherwise comply with its obligations under this Lease;

(each a "Tenant Delay") then the Commencement Date of the Term of the Lease
shall be accelerated by the number of days of such delay. In the event Landlord
claims any such failure, request or interference will cause such a delay,
Landlord shall promptly notify Tenant thereof. The Building and the Premises
shall be deemed substantially complete notwithstanding the fact that minor
details of construction, mechanical adjustments or decorations which do not
materially interfere with Tenant's use and enjoyment of the Building remain to
be performed (items normally referred to as "punch list" items).

     3.02 Completion and Delivery. The term "substantial completion" as used in
the Lease shall mean the date of substantial completion of the Building and
Premises in accordance with the Plans such that Tenant may commence the
installation of any of Tenant's equipment (to the extent such equipment is not
already begun pursuant to Section 4.01) and occupy the Premises for the conduct
of its business (subject to the completion of any additional construction to be
performed by Tenant). Certification by Landlord's architect (and confirmation by
Tenant's architect) as to the substantial completion of the Premises shall be
conclusive and binding upon Landlord and Tenant. By taking occupancy of the
Premises, Tenant shall be deemed to have accepted the Premises and the Building
as substantially complete, except that Tenant shall, within

                                       14
<PAGE>
five (5) business days after entering into possession of the Premises, provide
Landlord with a list of incomplete and/or corrective items present in the
Premises. Landlord shall diligently complete, as soon as reasonably possible,
any items of work and adjustment on such list as are not completed upon
substantial completion of the Premises. Tenant's acceptance of the Premises
pursuant to this Subsection 3.02 shall not extend to any defects which are not
reasonably ascertainable during a visual inspection.

     3.03 Construction of Tenant Improvements in Building E. Construction of
Tenant's improvements to each portion of the First Expansion Space, Second
Expansion Space and Third Expansion Space shall be managed by Tenant and made by
contractors of Tenant's choice, and Tenant shall bear full responsibility for
the cost of such improvements, subject to any applicable tenant improvement
allowance provided by Landlord under this Lease. Tenant's plans for improvements
of each such portion of the Expansion Space shall be subject to Landlord's prior
written approval, which shall not be unreasonably withheld or delayed.
Landlord's decisions regarding such plans shall be made within thirty (30) days
after Landlord's receipt of the same together with a request by Tenant for
approval pursuant to this Section 3.03. If Landlord does not inform Tenant of
its decision with respect to such plans within such thirty (30) day period, such
plans shall be deemed approved. Other than as expressly set forth herein, all
improvements and alterations made by Tenant shall be completed in accordance
with Section 9.02 and 9.03 below. The aforementioned thirty (30) day period
shall not diminish Tenant's right to have a thirty (30) day period following
vacancy by the previous tenant to construct its tenant improvements prior to the
commencement of Rent for the Expansion Space in question.

     3.04 Right to Terminate. In the event (a) the Premises have not been
substantially completed by July 6, 1999, due to delays not within Landlord's
reasonable control (as defined below); or (b) the Premises have not been
substantially completed by June 4, 1999 due to delays within Landlord's
reasonable control (but in no way resulting from any Tenant Delays) then Tenant
may elect to terminate this Lease by written notice to Landlord, in which event
this Lease shall terminate, Tenant shall receive a refund of its security
deposit and prepaid rent, if any, as well as the return and termination of the
LC and Bond provided pursuant to Section 17.26 (or any proceeds thereof) and
neither party shall have any further rights or obligations hereunder. For
purposes of this Section 3.04, the term "delays beyond Landlord's reasonable
control" shall mean any delays resulting from Tenant's acts or omissions
(including without limitation any Tenant Delay described in Section 3.01 (e)
above), inclement weather (defined as weather which delays critical path
activities of construction of the Improvements), earthquake, flood, fire or
other casualty, strike or other labor trouble, material shortages, governmental
controls, or any other cause, whether similar or dissimilar to the above, beyond
Landlord's reasonable control (any of which delays are referred to herein as
"delays beyond Landlord's reasonable control". Except as expressly contemplated
above in this Section 3.04, Landlord shall not be liable to Tenant or any other
party, nor shall Tenant have any recourse against Landlord, for any direct or
indirect damages as a result of Landlord's failure to deliver the Premises to
Tenant within the time periods contemplated herein and/or in the Work Schedule.

                                       15
<PAGE>
                                ARTICLE IV: TERM

     4.01 Term. The Term shall commence ("Commencement Date") on the later to
occur of (a) the date of substantial completion of the Premises, or (b) the date
of receipt of a temporary certificate of occupancy or other approval by the City
of Bothell allowing occupancy of the Premises by Tenant; provided, however, that
the Commencement Date shall be subject to acceleration for delays in completion
of the Building or the Premises attributable to Tenant, as more particularly set
forth in this Lease. The Term shall expire at the expiration of the Lease Term
of seven (7) years set forth in Section 1.01, unless sooner terminated or
extended as provided in Sections 2.05(b), 2.06(b) and 4.03. Notwithstanding the
above, Landlord agrees to use its good faith efforts to allow Tenant limited
access to the Building F thirty (30) days prior to the Commencement Date or
otherwise as mutually agreed by Landlord and Tenant; provided, that Tenant's
entry into the Building during such period shall be limited to installation of
Tenant's furniture, fixtures and equipment; provided, further that such early
entry by Tenant shall in no way interfere with or cause delays in Landlord's
construction; and provided further that such early entry by Tenant shall be at
Tenant's sole risk and Tenant shall be deemed to have waived and released
Landlord, its agents, employees and contractors from and with respect to any
personal injury or property damage resulting from, during or in connection with
such early occupancy.

     4.02 Notice of Commencement Date. Landlord shall inform Tenant of the
estimated date of substantial completion at least fifteen (15) days prior to
such date. At such time as the date of substantial completion and the
Commencement Date have been determined, Landlord shall deliver to Tenant a
written confirmation in the form attached hereto as Exhibit F ("Notice of
Commencement") of said dates of substantial completion and the Commencement
Date. The Notice of Commencement shall be binding upon Tenant unless Tenant
objects to the Notice in writing delivered to Landlord within five (5) days of
Tenant's receipt of said Notice of Commencement.

     4.03 Option to Extend. Landlord hereby grants Tenant the right to extend
the term of the Lease for an additional period of five (5) years (such extended
period is hereinafter referred to as the "Extended Term") on the same terms and
conditions contained in the Lease, except that (i) Base Rent for the Extended
Term shall be as set forth hereinbelow, and (ii) no additional options to extend
shall apply following the expiration of the Extended Term. Except as otherwise
provided in Section 2.05(b) and 2.06(b), written notice of Tenant's exercise of
its option to extend ("Option to Extend") the Term of this Lease for the
Extended Term must be given to Landlord no less than thirteen (13) months prior
to the date the Term of the Lease would otherwise expire. If Tenant is in
material default under this Lease, Tenant shall have no right to exercise its
Option to Extend the Term of this Lease pursuant to this Section 4.03 until such
default is cured; provided, that the period of time within which said option may
be exercised shall not be extended or enlarged by reason of Tenant's inability
to exercise said option because of a default. In the event Tenant validly
exercises its Option to Extend the Term of this Lease as herein provided, Base
Rent shall be adjusted as of the commencement date of the Extended Term as
follows:

                                       16
<PAGE>
          (a) Except in the event of an election by Tenant of its Option to
Extend pursuant to Section 2.05(b) or 2.06(b) (which shall be controlled by such
Subsections and Subsection 4.03(e) below), within thirty (30) days after
exercise of its Option to Extend by Tenant, Landlord shall provide Tenant with
Landlord's determination of the fair market Base Rent for the Extended Term,
including periodic increases as dictated by the current market ("Landlord's
Determination of Base Rent for Extended Term"). Tenant shall provide notice to
Landlord within ten (10) business days after receipt of such notice from
Landlord as to whether Tenant accepts Landlord's Determination of Base Rent for
Extended Term and, at such time Tenant may notify Landlord that Tenant revokes
its exercise of its Option to Extend, in which event Tenant will have no further
rights under this Section. Tenant shall have no such right to revoke its
exercise of its Option to Extend exercised or deemed to be exercised pursuant to
Sections 2.05(b) or 2.06(b) above. In the event Tenant does not agree to
Landlord's Determination of Base Rent for Extended Term but does not elect to
revoke the exercise of its Option to Extend pursuant to the above sentence,
Landlord and Tenant shall attempt to agree upon Base Rent for the Premises for
the Extended Term, such rent to be the fair market rental value of the Premises
for the Extended Term, as defined in Subsection (d) below. If the parties are
unable to agree upon the Base Rent for the Extended Term by the date three (3)
months prior to the commencement of the Extended Term, then within ten (10) days
thereafter each party, at its own cost and by giving notice to the other party,
shall appoint a real estate appraiser with at least five (5) years full-time
commercial real estate appraisal experience in the area in which the Premises
are located to appraise and set Base Rent for the Extended Term. If a party does
not appoint an appraiser within ten (10) days after the other party has given
notice of the name of its appraiser, the single appraiser appointed shall be the
sole appraiser and shall set Base Rent for the Extended Term. If each party
shall have so appointed an appraiser, the two appraisers shall meet promptly and
attempt to set the Base Rent for the Extended Term. If the two appraisers are
unable to agree within thirty (30) days after the second appraiser has been
appointed, they shall attempt to select a third appraiser meeting the
qualifications herein stated within ten (10) days after the last day the two
appraisers are given to set Base Rent. If the two appraisers are unable to agree
on the third appraiser within such ten (10) day period, either of the parties to
this Lease, by giving five (5) days notice to the other party, may apply to the
then presiding judge of the Superior Court of King County for the selection of a
third appraiser meeting the qualifications stated in this paragraph. Each of the
parties shall bear one-half (1/2) of the cost of appointing the third appraiser
and of paying the third appraiser's fee. The third appraiser, however selected,
shall be a person who has not previously acted in any capacity for either party.

          (b) Within thirty (30) days after the selection of the third
appraiser, a majority of the appraisers shall set Base Rent for the Extended
Term. If a majority of the appraisers are unable to set Base Rent within the
stipulated period of time, the three appraisals shall be added together and
their total divided by three (3). The resulting quotient shall be the Base Rent
for the Premises during the Extended Term. If, however, the low appraisal and/or
the high appraisal is/are more than ten percent (10%) lower and/or higher than
the middle appraisal, the low appraisal and/or the high appraisal shall be
disregarded. If only one (1) appraisal is disregarded, the remaining two (2)
appraisals shall be added together and their total divided by two (2), and the
resulting quotient shall be Base Rent for the Premises during the Extended Term.

                                       17
<PAGE>
          (c) For purposes of the appraisal, the term "-fair market rental
value-" shall mean the price that a ready and willing tenant would pay, as of
the Extended Term commencement date, as rent to a ready and willing landlord of
premises comparable to the Premises in the Kirkland/Bellevue/Redmond/Bothell
market, if such premises were exposed for lease on the open market for a
reasonable period of time; including any rent increases and, only if the
determination of rent is made within twelve (12) months of commencement of the
Extended Term, prevailing rent concessions over the Extended Term to the extent
normal under then current market conditions; provided, that Base Rent for any
applicable Extended Term shall not be less than the Base Rent in effect during
the month immediately preceding the commencement of such Extended Term.

          (d) In the event Tenant exercises its Option to Extend pursuant to
this Section 4.03 (but not in the event of an exercise of the second option
pursuant to Section 2.06(b) above), Landlord shall provide Tenant with an
allowance of up to $4.65 per square foot of the Building F Premises to reimburse
Tenant for actual costs for leasehold improvements of the Premises made by
Tenant to the Building F Premises.

          (e) In the event Tenant is deemed to exercise its Option to Extend
pursuant to this Section 4.03 in connection with its lease of the Second
Expansion Space pursuant to Section 2.05(b) above, Landlord shall, within thirty
(30) days after exercise by Tenant of such option, forward to Tenant Landlord's
Determination of Base Rent of Extended Term for the Extended Term and Tenant
shall have the option, by written notice to Landlord within thirty (30) days
after receipt of Landlord's Determination of (i) electing to accept Landlord's
Determination of Base Rent for the Extended Term, (ii) electing to defer
determination of the fair market rental value for the Extended Term until the
date twelve (12) months prior to the commencement of the Extended Term (in which
event the procedures of 4.03 (a)-(c) above, to the extent applicable, shall
commence as of such date), or (iii) electing to determine the fair market rental
value pursuant to the provisions of this 4.03 as soon as practicable after the
deemed exercise by Tenant of this Option to Extend, which fair market rental
value shall be determined as of the date of such deemed exercise (but shall not
be less than the Base Rent in effect at such time) and the Base Rent commencing
at the commencement of the Extended Term or Second Extended Term, as applicable,
shall be such fair market rental value determined after the deemed exercise of
Tenant's Option to Extend, increased by four and one-half percent (4.5%) per
annum (prorated as applicable) from the date of such determination to the
commencement of the Extended Term.

                                 ARTICLE V: RENT

     5.01 Base Rent. The Base Rent ("Base Rent") shall be as set forth in
Section 1.01, subject to adjustment to the extent applicable pursuant to
Sections 2.03, 3.01(d)(2)(cc), and 4.03 above. The Base Rent shall be paid in
advance on the first day of each and every month during the Term to Landlord at
the address set forth in Section 1.01 hereof, or at such other place as Landlord
may direct in writing pursuant to Section 5.05, without any prior demand
therefor and without any abatement, deduction or setoff whatsoever. If the Term
commences on any day other

                                       18
<PAGE>
than the first day of a calendar month and/or ends on any day other than the
last day of a calendar month, Base Rent for the fraction(s) of a month at the
commencement and/or upon the expiration of the Term shall be prorated based upon
the actual number of days in such fractional month(s). Simultaneously with
execution of this Lease, Tenant shall pay to Landlord the Prepaid Rent specified
in Section 1.01, which shall be applied to Tenant's Base Rent obligation for the
first month of the Lease Term.

     5.02 Additional Rent. In addition to Base Rent, Tenant shall pay to
Landlord all sums of money or other charges required to be paid by the Tenant
under this Lease (other than Base Rent and the Prepaid Rent), including but not
limited to Operating Expenses (as defined in Article VI hereof) (all such sums
being herein deemed "Additional Rent"), whether or not the same are designated
"Additional Rent" the same shall be payable in lawful money of the United States
of America without deduction, set-off or abatement whatsoever. Any Additional
Rent provided for in this Lease shall become due with the next monthly
installment of Base Rent unless otherwise provided. The term "Rent", as used in
this Lease, shall refer collectively to "Base Rent" and "Additional Rent."

     5.03 Late Payment. If any payment of Rent is not received by Landlord
within ten (10) days after the same is due, Tenant shall pay to Landlord a late
payment charge equal to five percent (5%) of the amount of such delinquent
payment of Rent in addition to the installment of Rent then owing, regardless of
whether or not a notice of default has been given by Landlord. In addition,
Tenant shall pay interest on such late payment and late charge from and after
the expiration of thirty (30) days following the due date of the late payment at
an interest rate equal to the lesser of (a) the prevailing prime (reference)
rate as published by Seafirst Bank (or any successor bank) at its Seattle main
branch office, or any successor rate of interest, plus three (3) percentage
points, or (b) the maximum rate permitted by applicable law (hereafter the
"Default Rate"), until such amounts are paid. Landlord and Tenant recognize that
the damages which Landlord will suffer as a result of Tenant's failure to timely
pay Rent are difficult or impracticable to ascertain, and agree that said
interest and late charge are a reasonable approximation of the damages which
Landlord will suffer in the event of Tenant's late payment. This provision shall
not relieve Tenant from payment of Rent at the time and in the manner herein
specified. Acceptance by Landlord of any such interest and late charge shall not
constitute a waiver of Tenant's default with respect to said overdue amount, nor
shall it prevent Landlord from exercising any other rights or remedies available
to Landlord.

     5.04 Security Deposit. Simultaneously with execution of this Lease, Tenant
shall deposit with Landlord the sum specified as the Security Deposit in Section
1.01 of this Lease. This deposit shall constitute partial consideration for the
execution of this Lease. Landlord shall pay Tenant the remaining balance
thereof, less any Rent or other sums then due Landlord, without any liability
for interest thereon, within thirty (30) days after the expiration or prior
termination of the Lease Term, or any extension thereof. Landlord shall be
entitled to withdraw from the deposit the amount of any unpaid Base Rent,
Additional Rent or other charges not paid to Landlord when due, and Tenant shall
immediately re-deposit an amount equal to that so withdrawn within ten (10) days
of demand.

                                       19
<PAGE>
     5.05 Place of Payment. All Rent and any other payments due Landlord by
Tenant under this Lease shall be paid at the address set forth in Section 1.01
or at such other place as Landlord may direct in accordance with Section 17.01;
provided, that notice of a change of address shall become effective fifteen (15)
days after Tenant's receipt of the notice.

                     ARTICLE VI: ADDITIONAL RENT AND CHARGES

     6.01 Operating Expenses. In addition to Base Rent and other sums payable by
Tenant under this Lease, Tenant shall pay to Landlord, as Additional Rent,
Tenant's Share of the Operating Expenses (as such term is defined below).

          (a) Estimated Expenses. Upon the Commencement of the Lease Term, and
thereafter prior to the commencement of each calendar year occurring wholly or
partially within the Term, Landlord shall estimate the annual Operating Expenses
payable by Tenant pursuant to this provision, and Tenant shall pay to Landlord
on the first day of each month in advance, one-twelfth (1/12th) of Tenant's
Share of such estimated amount. In the event that during any calendar year of
the Term (but not more than once in any calendar year), Landlord determines that
the actual Operating Expenses for such year will exceed (or be less than) the
estimated Operating Expenses, Landlord may revise such estimate by written
notice to Tenant, in reasonably sufficient detail to substantiate the revisions,
and Tenant shall pay to Landlord, concurrently with the regular monthly rent
payment next due following the receipt of the revised estimate, an amount equal
to one monthly installment thereof multiplied by the number of months expired
during such calendar year to and including the month of such payment, if an
excess is due, or in the event Landlord's estimate is less than the prior
estimate, Tenant shall receive a credit against its next payment of Operating
Expenses for any overpayment by Tenant to date. Subsequent installments shall be
payable concurrently with the regular monthly Base Rent due for the balance of
the calendar year and shall continue until the next calendar year's estimate is
rendered. Within ninety (90) days following the end of each year, Landlord shall
provide Tenant with a written statement of the actual total Operating Expenses
for such year, in reasonably sufficient detail with supporting documentation as
Tenant may reasonably request to verify such expenses, and there shall be an
adjustment made to account for any difference between Tenant's Share of the
actual and the estimated Operating Expenses for the previous year. If Tenant has
overpaid the amount of Operating Expenses owing pursuant to this provision,
Landlord shall, provided Tenant is not in default of any Rent or other monetary
payment hereunder, credit such overpayment to Tenant's account or promptly
refund such overpayment if this Lease has terminated or expired. If Tenant has
underpaid the amount of Operating Expenses owing pursuant to this provision,
Tenant shall pay the total amount of such deficiency to Landlord as Additional
Rent with the next payment of Base Rent due under this Lease following delivery
of written notice of said deficiency from Landlord to Tenant. Landlord shall
keep its books of account and records concerning Operating Expenses in
compliance with generally accepted accounting principles and retain the same for
three (3) years after the calendar year for which they were prepared. Unless
Tenant objects in writing regarding specific discrepancies in the Operating
Expense calculations for any calendar year within six (6) months after receipt
of Landlord's final calculations for such calendar year,

                                       20
<PAGE>
Tenant shall be deemed to have approved the same and to have waived the right to
object to such calculations. Tenant has the right to audit Landlord's books and
records for Operating Expenses for any calendar year, at any time within the six
(6) month period following Tenant's receipt of Landlord's final calculations for
such applicable calendar year, with or without specific objection or discrepancy
in mind. Tenant shall pay for any such audit unless such audit reveals an
overpayment by Tenant of more than $10,000.00 for an applicable calendar year,
in which event Landlord shall pay the cost of such audit. In the event Landlord
disputes any discrepancy in Tenant's audit, at Landlord's request, the matter
shall be submitted to binding arbitration with the American Arbitration
Association in its Seattle, Washington office. Upon any final determination of
overpayment or underpayment by Tenant of Operating Expenses pursuant to this
Section 6.01, the party owing the payment or refund to the other shall pay the
same, together with interest thereon at the rate set forth in Section 5.03 above
from the date of the determination within ten (10) days after such
determination. Notwithstanding anything in this Section 6.01 to the contrary,
commencing with the second calendar year of the Lease Term, Tenant's Share of
Common Area maintenance costs (defined as the cost of landscaping, parking
sweeping and snow removal, janitorial and other controllable expenses associated
with the physical upkeep of the Common Areas) shall not increase by more than
seven percent (7%) per calendar year on a cumulative basis.

          (b) Defined Terms.

          (i) Operating Expenses Inclusions. For purposes of this Lease,
"Operating Expenses" means an amount equivalent to the total of all expenses and
costs incurred in connection with the ownership, operation, management,
maintenance and repair of the Building, the Property, and the Common Areas,
including, without limitation:

               A. The costs of operating, maintaining, repairing and making
replacements to the Common Areas, the Building and the Premises, including but
not limited to: gardening and landscaping; painting; lighting; sanitary control;
personal property taxes; public liability insurance and property damage
insurance; utilities for Common Areas; licenses and fees for Common Area
facilities; sweeping; removal of snow and ice, trash, rubbish, garbage and other
refuse; repairing, restriping and resurfacing of parking area; and maintenance
of and property taxes on personal property, machinery and equipment used in
Common Area maintenance.

               B. All Real Property Taxes (as defined below) assessed against
the Project or Property, as applicable, including land, Building and
improvements thereon or thereto.

               C. All premiums for fire, extended coverage and other insurance
the Landlord reasonably deems necessary and keeps in force on or with respect to
the Project, Property or Building of which the Premises are a part and
commercially reasonable deductibles payable in connection therewith.

                                       21
<PAGE>
               D. The cost of operating, maintaining, repairing and replacing
any electrical, mechanical, automatic fire sprinkler and other utilities systems
serving the Premises which serve the Premises in common with the entire
Building.

               E. The cost of maintenance and repair of the roof, exterior
walls, membrane, foundation, and other exterior portions of the Building, and
reasonable reserves for the same.

               F. Reasonable property management charges in an amount not to
exceed current market rates for similar management arrangements between
unrelated parties.

               G. Costs of repairs, replacements, equipment and improvements
which are necessary to adequately maintain or protect the Project, Building and
Common Areas and/or which are required by law or governmental regulation enacted
after the date of this Lease, which are of a capital nature (as determined by
GAAP accounting), and reasonable reserves for the same; provided, that for
capital repairs, replacement, equipment and improvements which have an estimated
life which extends beyond the Lease Term (as the same may be extended) the cost
thereof shall be prorated based upon a straight-line amortization over said
estimated life and in the case of equipment, the extent to which the equipment
is used for the benefit of the Project, Building and Common Areas, rather than
for other property.

               H. Any other costs levied, assessed or imposed by or at the
direction of, or resulting from statutes or regulations or interpretations
thereof promulgated by any federal or governmental authority in connection with
the use or occupancy of the Project.

               I. Assessments made on or with respect to the Property made
pursuant to any CC&Rs, PUD conditions and/or owner's associations affecting the
Property.

               J. Compensation (including wages and employer paid benefits and
taxes ) of employees and contractors to the extent engaged in the operation and
maintenance of the Property and/or Building.

          (ii) Operating Expense Exclusions. Notwithstanding the foregoing,
Operating Expenses to be reimbursed by Tenant shall not include:

               A. Expenses which are separately metered or reasonably allocated
to the Premises or other leased area of the Building, which expenses shall be
billed separately to Tenant or such other tenant, as applicable.

               B. Costs incurred in connection with the initial construction or
design of the Building or to correct defects in the original construction or
design of the Building or Common Areas.

                                       22
<PAGE>
               C. Depreciation.

               D. Costs, fines or penalties incurred due to violation by
Landlord of any applicable law.

               E. Expenses incurred by Landlord in respect of individual tenants
and/or the improvement or renovation of tenants' leasehold improvements,
including leasing commissions, attorneys' fees arising from lease disputes and
other specific costs incurred for the account of specific tenants.

               F. Repairs or replacements to the extent that the cost of the
same is recoverable by the Landlord pursuant to original construction
warranties.

               G. Interest on debt, return on equity, or capital retirement of
debt, including mortgage and ground lease payments and costs of capital
improvements except as expressly provided above.

               H. Legal fees and disbursements relating to legal matters other
than such fees and costs directly relating to Operating Expense issues in
connection with the Building, Premises and/or Common Areas.

               I. Landlord's general overhead, including salaries and benefits
of employees to the extent not engaged in the operation and maintenance of the
Property and/or Building;

               J. Costs of repairs necessitated by condemnation or damage or
casualty or the wrongful or negligent act or omission of any person other than
Tenant, its agents, employees or contractors, except for the cost of reasonable
deductibles;

               K. Cost of services provided to other tenants but not to Tenant.

               L. Cost of services to the extent materially in excess of
competitive market rates.

               M. Costs incurred in connection with making the systems serving
the Project, Property, Building, Premises or Common Areas "year 2000 compliant"
i.e., able to accurately process date/time data from, into and between the
twentieth and twenty-first centuries, and the years 1999 and 2000 and leap year
calculations, to the extent such technology is available at the time of
Landlord's installation of the systems and Landlord should have reasonably been
expected to incur such costs in connection with its initial development of the
Project, Property, Building, Premises or Common Areas, as applicable.

                                       23
<PAGE>
     Additional Rent payable by Tenant which would not otherwise be due until
after the date of the expiration or earlier termination of the Lease shall, if
the exact amount is uncertain at the time this Lease expires or terminates, be
paid by Tenant to Landlord upon such expiration or termination in an amount to
be reasonably determined by Landlord, with an adjustment to be made once the
exact amount is known and a final reconciliation provided by Landlord to Tenant
with such supporting documentation as Tenant may reasonably request.

          (iii) Tenant's Share. For purposes of this Lease, "Tenant's Share"
means the percentage obtained by dividing the Rentable Area of the Premises by
the aggregate Rentable Area of all premises available for lease, whether leased
or not, in the Building. Accordingly, Tenant's Share of Operating Expenses
attributable to Building F and the Property on which it is situated is 100%,
while Tenant's Share of Operating Expenses attributable to Building E and the
Property on which it is situated, cannot be determined precisely as of the date
of this Lease and therefore will be calculated using the aforementioned formula
if and when Tenant expands into Building E in accordance with the terms of this
Lease. However, with respect to Operating Expenses attributable to Common Areas
constructed by Landlord for the five (5) buildings comprising the Project,
Tenant's Share of the same shall be calculated by dividing the Rentable Area of
the Premises by the aggregate Rentable Area of all premises for lease, whether
leased or not, in the Project; provided, however Tenant's Share of the Project
with respect to the Building F Premises shall not exceed 23.54% and Tenant's
Share of the Project with respect to the Building E Premises shall not exceed
23.54% based upon a 100% occupancy by Tenant of Building E, or a pro-rated
portion thereof in the event Tenant leases less than 100% of Building E. The
foregoing notwithstanding, Tenant's Share with respect to a particular Operating
Expense with respect to the Project may decrease if, in Landlord's reasonable
discretion, the expense in question will be more economical for the tenants of
the Project if undertaken for an area or scope within the Master Project but
beyond the buildings and the Common Areas of the Project. Similarly, subject to
the limitation on annual increases in Tenant's Share of Common Area maintenance
costs set forth in Section 6.01(a) above, Tenant's Share with respect to a
particular Operating Expense may increase if, in Landlord's reasonable
discretion, supported by documentation as Tenant may reasonably request, such
increase is justified as an equitable adjustment in light of the proportionately
greater benefit to Tenant.

          (iv) Real Property Taxes. For purposes of this Lease, "Real Property
Taxes" shall consist of all transit charges, housing fund assessments, real
estate taxes and all other taxes relating to the Building, Property and/or the
Project, as applicable, all other taxes which may be levied in lieu of real
estate taxes, all assessments, local improvement districts, assessment bonds,
levies, fees and other governmental charges, including, but not limited to,
charges for traffic facilities and improvements, water service studies, and
improvements or amounts necessary to be expended because of governmental orders,
whether general or special, ordinary or extraordinary, unforeseen as well as
foreseen, of any kind and nature for public improvements, services, benefits, or
any other purpose, which are assessed, levied, confirmed, imposed or become a
lien upon the Building or the Property or become payable during the Term (or
which become payable after the expiration or earlier termination hereof and are
attributable in whole or in part to any period during the Term hereof), together
with all costs and expenses incurred by Landlord in successfully

                                       24
<PAGE>
contesting, resisting or appealing any such taxes, rates, duties, levies or
assessments. "Real Property Taxes" shall exclude any franchise, estate,
inheritance or succession transfer tax of Landlord, or personal property taxes
except to the extent relating to personal property used for work on or with
respect to the Building Property or Project or located in the Common Areas of
the Project, Property and/or Building, or any federal or state income, profits
or revenue tax or charge upon the net income of Landlord from all sources;
provided, however, that if at any time during the Term there is levied or
assessed against Landlord a federal, state or local tax or excise tax on rent,
or any other tax however described on account of rent or gross receipts or any
portion thereof, Tenant shall pay one hundred percent (100%) of the Tenant's
Share of any said tax or excise applicable to Tenant's Rent as Additional Rent.
Notwithstanding the above, Tenant's liability to pay or reimburse Landlord for
assessments is limited to those installments payable during the Lease Term ( and
any extensions thereof). The installments payable by Tenant shall be calculated
assuming payment of all assessments over the longest period permitted by the
applicable authority.

     6.02 Tenant's Personal Property Taxes. Tenant shall pay or cause to be
paid, prior to delinquency, any and all taxes and assessments levied upon all
trade fixtures, inventories and other real or personal property placed or
installed in and upon the Premises by Tenant. If any such taxes on Tenant's
personal property or trade fixtures are levied against Landlord or Landlord's
property or if the assessed value of the Building is increased by the inclusion
therein of a value placed upon such real or personal property or trade fixtures
of Tenant, and if Landlord pays the taxes based upon such increased assessment,
Tenant shall, upon demand, repay to Landlord the taxes so levied or the portion
of such taxes resulting from such increase in the assessment.


                             ARTICLE VII: INSURANCE

     7.01 Landlord's Insurance. During the Term, Landlord shall procure and
maintain in full force and effect with respect to the Building and Common Areas,
at full replacement value, a policy or policies of all-risk insurance (including
sprinkler leakage, vandalism and malicious mischief coverage, and any other
endorsements required by the holder of any fee or leasehold mortgage or as
Landlord reasonably deems to be prudent). If the annual premiums charged
Landlord for such casualty insurance exceed the standard premium rates because
the nature of Tenant's operations results in increased exposure, then Tenant
shall, upon receipt of appropriate premium invoices, reimburse Landlord for such
increased amount. Landlord shall have the right, at its option, to keep and
maintain in full force and effect during the Term such other insurance in such
amounts and on such terms as Landlord and/or any first mortgagees or the
beneficiary of any first trust deed against the Building, the Property and/or
the Project may reasonably require from time to time in form, in amounts and for
insurance risks against which a prudent Landlord would protect itself, including
but not limited to rental abatement, earthquake and flood insurance. Landlord
shall also maintain commercial liability coverage in and amount of not less than
$3,000,000.00, combined single limit ( which may be satisfied by a blanket
policy maintained by Landlord and/or its affiliates) and covering the indemnity
obligations of Landlord pursuant to Section 7.08(a)(ii) and with deductibles
reasonably determined by Landlord to be prudent.

                                       25
<PAGE>
     7.02 Public Liability. Tenant shall, at its own cost and expense, keep and
maintain in full force during the Term and any other period of occupancy of the
Premises by Tenant, a policy or policies of commercial liability insurance,
written by a reputable insurance company authorized to do business in the State
of Washington in form and content acceptable to Landlord insuring Tenant's
activities with respect to the Premises, the Common Areas and the Project for
loss, damage or liability for personal injury or death of any person or loss or
damage to property occurring in, upon or about the Premises in an amount of not
less than Two Million Dollars ($2,000,000) combined single limit. The policy
shall insure the hazards of the Premises and Tenant's operations therein, shall
include independent contractor and contractual liability coverage (covering the
indemnity contained in Section 7.08(a)(i) hereof) and shall (a) name Landlord as
an additional insured; (b) contain a cross-liability provision and; (c) contain
a provision that the insurance provided hereunder shall be primary and
non-contributing with any other insurance available to Landlord.

     7.03 Tenant's Property and Other Insurance. Tenant shall, at its own cost
and expense, keep and maintain in full force during the Term and any other
period of occupancy of the Premises, a policy or policies of standard form
property insurance insuring against the perils of fire, extended coverage,
vandalism, malicious mischief, special extended coverage ("all risk") and
sprinkler leakage. This insurance policy shall be upon all property owned by
Tenant, for which Tenant is legally liable or that was installed at Tenant's
expense, and which is located in the Premises, including without limitation,
furniture, fittings, installations, fixtures (other than the improvements
installed by Landlord), and any other personal property, in the amount of not
less than one hundred percent (100%) of the full replacement costs thereof. This
insurance policy shall also insure direct or indirect loss of Tenant's earning
attributable to Tenant's inability to use fully or obtain access to the
Premises.

     7.04 Form of Insurance/Certificates. All policies shall be written in a
form satisfactory to Landlord and shall be taken out with insurance companies
licensed in the state in which the Building is located and holding a General
Policy Holder's Rating of "A" and a financial rating of "X" or better, as set
forth in the most current issues of Best's Insurance Guide. Tenant shall furnish
to Landlord, prior to Tenant's entry into the Premises and thereafter within ten
(10) days following the expiration of each such policy, a certificate of
insurance (or renewal thereof) issued by the insurance carrier of each policy of
insurance carried by Tenant pursuant hereto. Said certificates shall expressly
provide that such policies shall not be cancelable or subject to reduction of
coverage below the minimum amounts required by this Lease or required by any
lender having an interest in the Building or otherwise be subject to
modification except after thirty (30) days prior written notice to the parties
named as insured in this Section 7.04.

     7.05 Tenant's Failure. If Tenant fails to maintain any insurance required
in the Lease, Tenant shall be liable for any loss or cost resulting from said
failure, and Landlord shall have the right to obtain such insurance on Tenant's
behalf and at Tenant's sole expense. This Section 7.05 shall not be deemed to be
a waiver of any of Landlord's rights and remedies under any other section of
this Lease. If Landlord obtains any insurance which is the responsibility of
Tenant to

                                       26
<PAGE>
obtain under this Article VII, Landlord shall deliver to Tenant a written
statement setting forth the cost of any such insurance and showing in reasonable
detail the manner in which it has been computed and Tenant shall promptly remit
said amount as Additional Rent to Landlord.

     7.06 Waiver of Subrogation. Any all risk policy or policies of fire,
extended coverage or similar casualty insurance which either party obtains in
connection with the Building, the Premises or Tenant's personal property therein
shall include a clause or endorsement denying the insurer any rights of
subrogation against the other party to the extent rights have been waived by the
insured prior to the occurrence of injury or loss. Landlord and Tenant waive any
rights of recovery against the other for injury or loss due to hazards covered
by insurance containing such a waiver of subrogation clause or endorsement to
the extent of the injury or loss covered thereby.

     7.07 Tenant's Properties and Fixtures. Tenant assumes the risk of damage to
any furniture, equipment, machinery, goods, supplies or fixtures which are or
remain the property of Tenant or as to which Tenant retains the right of removal
from the Premises, except to the extent due to the willful misconduct or
negligent act or omission of Landlord, its agents, employees or contractors.
Tenant shall not do or keep anything in or about the Premises (except those
things Tenant presently does and keeps in connection with the uses set forth in
Section 10.01) which will in any way tend to increase insurance rates paid by
Landlord and maintained with respect to the Premises and/or the Project unless
Tenant pays directly to Landlord the increase cost of the premiums. In no event
shall Tenant carry on any activities which would invalidate any insurance
coverage maintained by Landlord. If Tenant's occupancy or business in, or on,
the Premises, whether or not Landlord has consented to the same, results in any
increase in premiums for the insurance carried by Landlord with respect to the
Building and/or the Project, Tenant shall pay any such increase in premiums as
Additional Rent within ten (10) days after being billed therefore by Landlord.
In determining whether increased premiums are a result of Tenant's use of the
Building, a schedule issued by the organization computing the insurance rate on
the Building and/or the Project showing the various components of such rate
shall be conclusive evidence of the several items and charges which make up such
rate. Tenant shall promptly comply with all reasonable requirements of the
insurance underwriters and/or any governmental authority having jurisdiction
thereover, necessary for the maintenance of reasonable fire and extended
insurance for the Building and/or the Project.

     7.08 Indemnification.

          (a) (i) Tenant, as a material part of the consideration to be rendered
to Landlord, and subject to subsection (b) below, hereby indemnifies and agrees
to defend and hold Landlord, the Premises and the Project harmless from and
against (i) any and all liability, penalties, losses, damages, costs and
expenses, demands, causes of action, claims, judgments or appeals arising from
any injury to any person or persons or any damage to any property as a result
Tenant's or Tenants' officers, employees, agents, assignees, subtenants,
concessionaires, licensees, contractors or invitees' use, maintenance,
occupation, operation or control of the Premises during the Term, or resulting
from any breach or default in the performance of any obligation to be performed
by Tenant hereunder or for which Tenant is responsible under the terms of the
Lease

                                       27
<PAGE>
or pursuant to any governmental or insurance requirement, or arising from any
act, neglect, fault or omission of Tenant or any of Tenant's officers,
employees, agents, servants, subtenants, concessionaires, licensees, contractors
or invitees, and (ii) from and against all legal costs and charges, including
attorneys' and other professional fees, incurred in and about any of such
matters and the defense of any action arising out of the same or in discharging
the Property and/or Premises or any part thereof from any and all liens, charges
or judgments which may accrue or be placed thereon by reason of any act or
omission of the Tenant, except and to the extent as may arise out of the
negligence or willful misconduct of Landlord and/or its agents or employees.

               (ii) Landlord, as a material part of the consideration to be
rendered to Tenant, and subject to subsection (b) below, hereby indemnifies and
agrees to defend and hold Tenant and the Premises harmless from and against (i)
any and all liability, penalties, losses, damages, costs and expenses, demands,
causes of action, claims, judgments or appeals arising from any injury to any
person or persons or any damage to any property as a result Landlord's or
Landlord's' officers, employees, agents, assignees, subtenants, concessionaires,
licensees, contractors or invitees' use, maintenance, occupation, operation or
control of the Building, Common Areas or Project during the Term, or resulting
from any breach or default in the performance of any obligation to be performed
by Landlord hereunder or for which Landlord is responsible under the terms of
the Lease or pursuant to any governmental or insurance requirement, or arising
from any act, neglect, fault or omission of Landlord or any of Landlord's
officers, employees, agents, servants, subtenants, concessionaires, licensees,
contractors or invitees, and (ii) from and against all legal costs and charges,
including attorneys' and other professional fees, incurred in and about any of
such matters and the defense of any action arising out of the same or in
discharging Tenant and/or Premises or any part thereof from any and all liens,
charges or judgments which may accrue or be placed thereon by reason of any act
or omission of the Landlord, except and to the extent as may arise out of the
negligence or willful misconduct of Tenant and/or its agents or employees.

          (b) In the event of the concurrent negligence of Tenant, its
sublessees, assignees, invitees, agents, employees, contractors, or licensees on
the one hand and the negligence of Landlord, its agents, employees or
contractors on the other hand, which concurrent negligence results in injury or
damage to persons or property of any nature and howsoever caused, and relates to
the construction, alteration, repair, addition to, subtraction from, improvement
to or maintenance of the Common Areas or Premises such that RCW 4.24.115 is
applicable, Tenant's obligation to indemnify Landlord as set forth in this
Section 7.08 shall be limited to the extent of Tenant's negligence and that of
Tenant's officers, sublessees, assignees, invitees, agents, employees,
contractors or licensees, including Tenant's proportional share of costs,
attorneys' fees and expenses incurred in connection with any claim, action or
proceeding brought with respect to such injury or damage. LANDLORD AND TENANT
EACH HEREBY WAIVE AND AGREE THAT THEY WILL NOT ASSERT THEIR RESPECTIVE
INDUSTRIAL INSURANCE IMMUNITY UNDER TITLE 51 RCW IF SUCH ASSERTION WOULD BE
INCONSISTENT WITH THE RIGHT OF THE OTHER PARTY TO INDEMNIFICATION PURSUANT TO
THIS SECTION 7.08. THE PARTIES AGREE THAT THIS PROVISION WAS MUTUALLY
NEGOTIATED.

                                       28
<PAGE>
          (c) In no event shall Landlord, its agents, employees and/or
contractors be liable for any personal injury or death or property damage caused
by other lessees or persons in or about the Premises or the Property, or caused
by public or quasi-public work, or for consequential damages arising out of any
loss of the use of the Premises or any equipment or facilities therein by Tenant
or any person claiming through or under Tenant, except to the extent any such
injury or damage is due to the willful misconduct or negligent act or omission
of Landlord, its agents, employees or contractors.

     7.09 Damage to Tenant's Property. Notwithstanding the provisions of Section
7.08 to the contrary, except to the extent due to the willful misconduct or
negligent act or omission of Landlord, Landlord, its agents, employees and/or
contractors shall not be liable for (i) any damage to property entrusted to
employees or security officers of the Building or the Property, (ii) loss or
damage to any property by theft or otherwise, or (iii) any injury or damage to
persons or property resulting from fire, explosion, falling substances or
materials, steam, gas, electricity, water or rain which may leak from any part
of the Building, the Common Areas or the Property or from the pipes, appliances
or plumbing work therein or from the roof, street, or subsurface or from any
other place or resulting from dampness or any other cause, except to the extent
Landlord receives consideration for such damage or injury from a third party.
Neither Landlord nor its agents shall be liable for interference with light or
other incorporeal hereditaments. Tenant shall give prompt notice to Landlord in
case Tenant is or becomes aware of fire or accidents in the Building, the Common
Areas or any other portion of the Project or of defects therein in the fixtures
or equipment. Nothing in this Section 7.09 shall be deemed to limit Landlord's
insurance, maintenance and repair obligations set forth elsewhere in this Lease.

                      ARTICLE VIII: REPAIRS AND MAINTENANCE

     8.01 Landlord Repairs and Maintenance. Subject to Landlord's right to
reimbursement from Tenant pursuant to Section 6.01 hereof, to the extent
applicable, Landlord shall at its expense maintain in good condition and repair
the structural portions of the Building including without limitation the
foundation, roof and membrane and shall maintain in good condition the exterior
of the Building, utilities to their point of connection to the Premises and the
Common Areas of the Property. Landlord shall commence and diligently pursue any
such necessary repairs within a reasonable amount of time after receipt of
notice from Tenant (and as promptly as possible in the case of maintenance
emergencies affecting Tenant's ability to operate its business). In the event
Landlord fails to make any such repairs or otherwise meet its obligations under
this Section, Tenant may, upon not less than thirty (30) days' notice to
Landlord, perform such task or repair, and Landlord shall promptly reimburse
Tenant for the reasonable cost of the same within five (5) business days after
demand; provided, that in no event shall Tenant take any such action on behalf
of Landlord with respect to any repairs which may affect occupancy or quiet
enjoyment of other tenants of the Building or which will affect the structural
or mechanical systems of the Building. Except for equipment or systems installed
by Tenant, Landlord shall also maintain at its expense (subject to reimbursement
pursuant to Section 6.01), in good condition and repair, the elevators and the
electrical, plumbing, HVAC and other service systems located outside of the
interior

                                       29
<PAGE>
surface of the exterior walls of the Premises, under the floor and above the
ceiling of the Premises. Landlord shall not be liable for any failure to make
any repairs or to perform any maintenance unless such failure shall persist for
an unreasonable time after written notice of the need for such repairs or
maintenance is given to Landlord by Tenant, but not longer than the date thirty
(30) days from Landlord's receipt of notice of the necessity for such repairs.
There shall be no abatement of Rent and, except for the negligence or willful
misconduct of Landlord or its employees, contractors or agents, no liability of
Landlord by reason of any injury to or interference with Tenant's business
arising from the making of any repairs, alterations or improvement in or to any
portion of the Premises or in or to fixtures, appurtenances and equipment
therein; provided, that Landlord, its employees, agents and contractors shall
use reasonable efforts not to unreasonably interfere with Tenant's business in
exercise of Landlord's rights or obligations hereunder. Except as may otherwise
be expressly set forth herein, Tenant affirms that (a) neither Landlord nor any
agent, employee or officer of Landlord has made any representation regarding the
condition of the Premises, the Building, the Common Areas or the Project, and
(b) Landlord shall not be obligated to undertake any repair, alteration,
remodel, improvement, painting or decorating.

     8.02 Utilities and Services. Subject to reimbursement pursuant to Section
6.01 above, Landlord shall furnish or cause to be furnished to the Premises
lines for water, electricity, sewage, telephone and gas. Tenant shall pay before
delinquency, at its sole cost and expense, all charges for water, gas, heat,
electricity, power, telephone service, sewer service charges and other utilities
or services charged or attributable to the Premises; provided, however, that if
any such services or utilities shall be billed to Landlord and are not
separately billed to the Premises, Tenant shall pay to Landlord as Additional
Rent, an amount equal to that proportion of the total charges therefor which the
Rentable Area of the Premises bears to the rentable area of leased area covered
by such charges Notwithstanding the above, in the event Tenant uses any such
services during non-standard building hours or in excess of that normally
provided to other tenants of the Building or Project, as determined by Landlord
from time to time, Tenant shall pay the actual cost of such after-hours or
excess services used by Tenant based upon Landlord's reasonable allocation
thereof based upon such respective usage.

     8.03 Tenant Repairs and Maintenance. Except as otherwise set forth in
Sections 8.01 and 8.02 above, Tenant shall, at Tenant's sole cost and expense,
keep and maintain the entire Premises, including but not by way of limitation,
all interior walls, doors, ceiling, fixtures, furnishings, drapes, specialty
lamps, light bulbs, starters and ballasts, carpets and floor coverings, and any
utility and mechanical systems within the Premises installed by Tenant, in good
repair and in a clean and safe condition. Upon expiration of the Term, Tenant
shall surrender the Premises to Landlord in the same condition as when leased,
reasonable wear and tear and damage by fire or other casualty not required to be
repaired pursuant to this Lease excepted. Notwithstanding the above, Tenant
shall not be responsible for maintaining or repairing pre-existing defects in
the Premises or repairs necessitated by the Landlord's defaults, fire or other
casualty (except for reasonable deductibles), condemnation and ordinary wear and
tear.

                                       30
<PAGE>
     8.04 Non-liability of Landlord. Notwithstanding anything to the contrary
contained in Sections 8.01 or 8.02 above or elsewhere in this Lease, Landlord
shall not be in default hereunder or be liable for any damages directly or
indirectly resulting from, nor shall the Rent herein reserved be abated or
rebated by reason of (a) the temporary interruption or curtailment of the use of
the Premises as a result of the installation of any equipment in connection with
the development, maintenance or repair of the Building or Project; or (b) any
failure to furnish or delay in furnishing any services required to be provided
by Landlord, unless and to the extent such failure or delay is caused by
accident or any condition created by the willful misconduct or negligence of
Landlord, its agents, employees or contractors; or (c) the limitation,
curtailment, rationing or restriction by governmental authority or public
utility of the use of water or electricity, gas or any other form of energy or
any other service or utility whatsoever serving the Premises or Project.

     8.05 Inspection of Premises. Landlord, at reasonable times and, except for
emergencies, upon a minimum of 24 hours' notice in writing identifying the
parties who will visit, may enter the Premises, under Tenant escort if Tenant so
requests, to complete construction undertaken by Landlord on the Premises, to
inspect, clean, improve or repair the same, to inspect the performance by Tenant
of the terms and conditions hereof, show the Premises to prospective purchasers,
tenants and lenders and for all other purposes as Landlord shall reasonably deem
necessary or appropriate; provided, that Landlord shall use reasonable efforts
not to interfere with Tenant's business in exercise of Landlord's rights
hereunder. With respect to maintenance emergencies and/or except for the willful
misconduct or negligence of Landlord, its agents, employees or contractors,
Tenant hereby waives any claim for damages for any injury or inconvenience to or
interference with Tenant's business, any loss of occupancy or quiet enjoyment of
the Premises and any other loss in, upon or about the Premises, arising from
exercise by Landlord of its rights hereunder except as otherwise provided in
Article XI hereof. Landlord's entry shall be at Landlord's risk. Landlord shall
use reasonable efforts to respect and protect the confidentiality of any
information that is learned about Tenant or Tenant's business as a result of
such entry.


             ARTICLE IX: FIXTURES, PERSONAL PROPERTY AND ALTERATIONS

     9.01 Fixtures and Personal Property. Tenant, at Tenant's expense, may
install any necessary trade fixtures, equipment and furniture in the Premises,
provided that such items are installed and are removable without damage to the
structure of the Premises. Landlord reserves the right to approve or disapprove
of any interior improvements which are visible from outside the Premises or
which violate the CC&R's on wholly aesthetic grounds. Such improvements must be
submitted for Landlord's written approval prior to installation or, at
Landlord's request, Tenant shall remove or replace such items at Tenant's sole
expense. Said trade fixtures, equipment and furniture shall remain Tenant's
property and shall be maintained in good condition while on the Premises and
removed by Tenant upon the expiration or earlier termination of the Lease. As a
covenant which shall survive the expiration or earlier termination of the Lease,
Tenant shall repair, at Tenant's sole expense, all damage caused by the
installation or removal of said trade fixtures,

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equipment, furniture or temporary improvements. If Tenant fails to remove the
foregoing items prior to or upon the expiration or earlier termination of this
Lease, Landlord, at its option and without liability to Tenant for loss thereof,
may keep and use them or remove any or all of them and cause them to be stored
or sold in accordance with applicable law, and Tenant shall, upon demand of
Landlord, pay to Landlord as Additional Rent hereunder all costs and expenses
incurred by Landlord in so storing and/or selling said items. In the event any
such fixtures, equipment, and/or furniture of Tenant are sold by Landlord, the
proceeds of such sale shall be applied, first, to all expenses of Landlord
incurred in connection with storage and sale; second, to any amounts owed by
Tenant to Landlord under this Lease or otherwise, and, third, the remainder, if
any, shall be paid to Tenant.

     9.02 Alterations. Tenant shall not make or allow to be made any material
alterations, additions or improvements to the Premises (defined as alterations,
additions or improvements costing a cumulative amount in excess of $15,000.00),
or alterations, additions or improvements which affect the structural or
mechanical systems of the Building, either at the inception of the Lease or
subsequently during the Term, without obtaining the prior written consent of
Landlord, which consent shall not be unreasonably withheld or delayed. Tenant
shall deliver to Landlord the contractor's name, references and state license
number, as well as full and complete plans and specifications of all such
alterations, additions or improvements, and any subsequent modifications or
additions to such plans and specifications, and no proposed work shall be
commenced or continued by Tenant until Landlord has received and given its
written approval of each of the foregoing. Landlord shall either approve or
disapprove any proposed alteration, addition or improvement on or before fifteen
(15) business days following receipt of all of the foregoing items. Landlord
does not expressly or implicitly covenant or warrant that any plans or
specifications submitted by Tenant are accurate, safe or sufficient or that the
same comply with any applicable laws, ordinances, building codes, or the like.
Further, Tenant shall indemnify and hold Landlord and the Building harmless from
any loss, cost or expense, including attorneys' fees and costs, incurred by
Landlord as a result of any defects in design, materials or workmanship
resulting from Tenant's alterations, additions or improvements to the Premises.
All alterations, additions or improvements shall remain the property of Tenant
until termination of the Lease, at which time they shall, unless otherwise
elected by Landlord by written notice to Tenant, be and become the property of
Landlord. Landlord may, as a condition to approval of any such alterations,
additions or improvements, require Tenant to remove any partitions, counters,
railings and/or other improvements installed by Tenant during the Term, and
Tenant shall repair all damage resulting from such removal or, at Landlord's
option, shall pay to Landlord all costs arising from such removal. All repairs,
alterations, additions and restorations by Tenant hereinafter required or
permitted shall be done in a good and workmanlike manner and in compliance with
all applicable laws and ordinances, building codes, by-laws, regulations and
orders of any federal, state, county, municipal or other public authority and of
the insurers of the Premises. If required by Landlord, Tenant shall secure at
Tenant's own cost and expense a completion and lien indemnity bond or other
adequate security, including without limitation an indemnity agreement from
Tenant's parent, if any, in form and substance reasonably satisfactory to
Landlord. Except for the initial Tenant Improvements to the Building F Premises
and tenant improvements to be completed by tenant on the Expansion Space
pursuant to Sections 2.04, 2.05

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and 2.06 above, Tenant shall reimburse Landlord for Landlord's reasonable
charges (including any professional fees incurred by Landlord and a reasonable
administrative fee as established by Landlord from time to time) for reviewing
and approving or disapproving plans and specifications for any proposed
alterations.

     9.03 Liens. Tenant shall promptly file and/or record, as applicable, all
notices of completion provided for by law, and shall pay and discharge all
claims for work or labor done, supplies furnished or services rendered at the
request of Tenant or at the request of Landlord on behalf of Tenant, and shall
keep the Premises and Property free and clear of all mechanics' and
materialmen's liens in connection therewith. Landlord shall have the right, and
shall be given ten (10) business days written notice by Tenant prior to
commencement of the work, to post or keep posted on the Premises, or in the
immediate vicinity thereof, any notices of non-responsibility for any
construction, alteration, or repair of the Premises by Tenant. If any such lien
is filed, Tenant shall cause same to be discharged of record within ten (10)
days following written notice thereof, or if Tenant disputes the correctness or
validity of any claim of lien, Tenant may contest the lien and, if requested to
do so by Landlord, shall provide a bond or other security in a form and amount
sufficient to insure that title to the Property remains free from the lien
claimed. If said lien is determined by the relevant court or by legal settlement
to be valid and is thereafter not timely discharged Landlord may, but shall not
be required to, take such action or pay such amount as may be necessary to
remove such lien and Tenant shall pay to Landlord as Additional Rent any such
amounts expended by Landlord, together with interest thereon at the Default Rate
(as defined in Section 5.04 hereof), within five (5) days after notice is
received from Landlord of the amount expended by Landlord.

                     ARTICLE X: USE AND COMPLIANCE WITH LAWS

     10.01 General Use and Compliance with Laws. Tenant shall only use the
Premises for the purposes described in Section 1.01 above, and uses customarily
incidental thereto and for no other use without the prior written the consent of
Landlord. Tenant shall, at Tenant's sole cost and expense, comply with all
requirements of municipal, county, state, federal and other applicable
governmental authorities now or hereafter in force pertaining to Tenant's
business operations, alterations and/or specific use of the Premises and/or the
Project, and shall secure any necessary permits therefore and shall faithfully
observe in the use of the Premises and the Project, all municipal, county,
state, federal and other applicable governmental entities' requirements which
are now or which may hereafter be in force. Tenant, in Tenant's use and
occupancy of the Premises, shall not subject or permit the Premises and/or the
Project to be used in any manner which would tend to damage any portion thereof,
or which would increase the cost of any insurance paid by Landlord with respect
thereto. Tenant shall not do or permit anything to be done in or about the
Premises, the Common Areas and/or the Project which will in any way obstruct or
interfere with the rights of other tenants or occupants of the Common Areas
and/or the Project or use or allow the Premises or any portion of the Project to
be used for any improper, immoral, unlawful or objectionable purpose, nor shall
Tenant cause, maintain or permit a nuisance in, on or about the Premises, the
Common Areas and/or the Project. Tenant shall comply with all

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covenants and obligations in the CC&R's which affect the use and operation of
the Premises, the Common Areas and/or the Project.

     10.02 Hazardous Materials. Tenant shall not cause or permit any Hazardous
Materials (as defined hereinbelow) to be brought upon, kept or used in or about
the Building, the Property, the Common Areas and/or the Project by Tenant, its
agents, employees, contractors, licensees or invitees, except such Hazardous
Materials that are typical in Tenant's business and that are at all times, used,
kept and stored in the manner that complies with all laws, rules, regulations
and ordinances now or hereafter regulating any such Hazardous Materials. If
Tenant breaches the covenants and obligations set forth herein or, if the
presence of Hazardous Materials on, in or about the Building, the Property or
the Common Areas caused by Tenant, its agents, employees, contractors, licensees
or invitees results in contamination of all or any portion of the Project or any
other property, whether or not adjacent thereto, then Tenant shall indemnify,
defend and hold Landlord free and harmless from and against any and all claims,
judgments, damages, penalties, fines, costs, liabilities and losses (including,
without limitation, sums paid in settlement of claims, attorneys' fees,
consultant fees and expert fees) which arise during or after the Term as a
result of such contamination. This indemnification by Tenant of Landlord shall
include, without limitation, any and all costs incurred with any investigation
of site conditions and any cleanup, remedial, removal or restoration work
required by any federal, state or local governmental agency or political
subdivision because of the presence of such Hazardous Materials caused by
Tenant, its agents, employees, contractor, licensees and/or invitees in, on or
about the Building, the Common Areas or the soil or ground water on or under the
Property. The provisions of this Section 10.02 shall survive the expiration or
earlier termination of this Lease. For purposes of the Lease, the term
"Hazardous Materials" shall mean the following: (a) those substances included
within the definitions of "hazardous substances," "pollutant," or "contaminant"
in the Comprehensive Environmental Response, Compensation and Liability Act of
1980, 42 U.S.C. Sections 9601 et. seq. as heretofore or hereafter amended, the
regulations promulgated pursuant to such Act and state laws and regulations
similar to or promulgated pursuant to such Act; (b) any material, waste or
substance which is (i) petroleum, (ii) asbestos, (iii) flammable explosive, or
(iv) radioactive; and (c) such other substances, materials and wastes which are
or become regulated as hazardous or toxic under federal, state or local law.
Likewise, Landlord shall indemnify, defend and hold Tenant free and harmless
from and against any and all claims, judgments, damages, penalties, fines,
costs, liabilities and losses (including without limitation, sums paid in
settlement of claims, attorneys' fees, consultant fees and expert fees) which
arise during or after the Lease Term as a result of contamination existing upon
commencement of the Lease Term by no fault of Tenant, or as otherwise results
directly from Landlord's acts or omissions. Landlord hereby warrants to Tenant
that, to Landlord's knowledge, it has not received written notification from any
governmental authority regarding actual or probable contamination of the
Property by Hazardous Substances.

     10.03 Signs. The Tenant shall not paint, display, inscribe, place or affix
any sign, picture, advertisement, notice, lettering, or direction on any part of
the outside of the Building or the Project or visible from the outside of the
Premises, the Building or the Project, except as first approved by Landlord or
as may be set forth in the Plans. Landlord will provide a concrete

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monument and enclosure in front of Building F as shown on the Project Site Plan
for Tenant-procured signage and logo and allow Tenant to affix or erect a
corporate logo and name on the Building exterior at Tenant's sole cost and
expense, all of which signage shall be subject to approval by Landlord, the
North Creek Owner's Associate and the City of Bothell.

     10.04 Americans with Disabilities Act. Landlord warrants that as of the
Lease Commencement Date, the Building and Common Areas will comply with the
Americans with Disabilities Act of 1990 and any related rules and regulations,
as amended from time to time ("ADA"); provided, however, Tenant represents that
the Premises will not be a "public accommodation" as defined by the ADA and
acknowledges that the improvements to the Premises will not be required to meet
the requirements applicable to a public accommodation. To the extent applicable,
Tenant shall perform and pay for compliance with the ADA affecting the Premises
that is required with respect to Tenant's business and by actions taken by
Tenant to improve, alter or remodel the Premises, and by change to the ADA
enacted or promulgated after the Lease Commencement Date that require
modification to work performed by Tenant within the Premises. Throughout the
Term of this Lease, and subject to reimbursement by Tenant pursuant to Section
6.01 to the extent applicable, Landlord shall perform and pay for compliance
with the ADA for work performed by Landlord within the Building and Common
Areas, as well as outside of the Premises, including without limitation,
provision of an accessible path of travel to the Premises.


                       ARTICLE XI: DAMAGE AND DESTRUCTION

     11.01 Reconstruction. If the Premises, Building or Common Areas are damaged
or destroyed during the Term, Landlord shall, except as hereinafter provided,
diligently repair or rebuild the same to substantially the condition which
existed immediately prior to such damage or destruction. If Landlord is
obligated or elects to repair or restore such damaged improvements as herein
provided, Landlord shall be obligated to make repair or restoration of only
those portions of the Premises which were provided at Landlord's expense or as
part of the installation by Landlord for Tenant and the repair and/or
restoration of other items within the Premises shall be the obligation of the
Tenant.

     11.02 Rent Abatement. Rent due and payable hereunder shall be abated
proportionately during any period in which, by reason of any such damage or
destruction, there is substantial interference with the operation of Tenant's
business in the Premises. Such abatement shall continue for the period
commencing with such damage or destruction and ending with a substantial
completion by Landlord of the work of repair or reconstruction which Landlord is
obligated or undertakes to do. If it be determined that continuation of business
is not practical pending reconstruction, and if Landlord does not elect to or is
unable to provide alternative temporary space for continuation of such business,
then Rent due and payable hereunder shall abate, until reconstruction is
substantially completed or until business is totally or partially resumed,
whichever is the earlier. Tenant shall not be entitled to any claim,
compensation or damages for loss in the use in the whole or any part of the
Premises (including loss of business)

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and/or any inconvenience or annoyance occasioned by such damage, repair,
reconstruction or restoration.

     11.03 Excessive Damage or Destruction. If the Building or the Premises is
damaged or destroyed to the extent that it cannot within Landlord's reasonable
discretion, with reasonable diligence, be fully repaired or restored by Landlord
within the earlier of (i) one hundred eighty (180) days after the date of the
damage or destruction, or (ii) the expiration of the Term hereof, either
Landlord or Tenant may terminate this Lease by written notice to the other
within thirty (30) days of the date of the damage or destruction. If the Lease
is not so terminated (or otherwise terminated pursuant to this Article 11), this
Lease shall remain in full force and effect and Landlord shall diligently repair
and restore the damage as soon as reasonably possible. If Landlord is delayed or
prevented from repairing and/or restoring the damage to the Building within two
hundred sixty (260) days after the occurrence of such damage or destruction,
Landlord or Tenant may at any time thereafter (but prior to the substantial
completion of said repair and/or restoration by Landlord) terminate this Lease
by ten (10) days prior written notice to the other, whereupon Landl