Circulatory Support Products. Our circulatory support products include VADs for the short-term and long-term treatment of congestive heart failure. Our products address more indications than the products of any other cardiac assist device company

Exhibit 10.26

COMMERCIAL LEASE

This Commercial Lease, executed September  ____, 2003, by and between ROSEVILLE PROPERTIES MANAGEMENT COMPANY, a Minnesota corporation, as the duly authorized agent for COMMERS-KLODT PARTNERSHIP, a Minnesota partnership (“Landlord”) and INTERNATIONAL TECHNIDYNE CORPORATION, a Delaware corporation (“Tenant”).

DEFINITIONS:

“Building” – That certain Building on real property located in the City of Roseville, County of Ramsey, State of Minnesota, and commonly addressed as Roseville Business Commons II located at 2640 - 52 Patton Road, Roseville, Minnesota 55113 (See Exhibit A).

“Demised Premises” - That certain portion of the Building, consisting of approximately 35,040 square feet as measured from the outside walls of the Demised Premises to the center of the partition wall (see Exhibit B). The Demised Premises includes a non-exclusive easement for access to Common Areas as defined below, and all licenses and easements appurtenant to the Demised Premises. Unless otherwise stated, Tenant shall accept the Demised Premises in an “as is” condition.

“Common Areas” – The term “Common Area” refers to all areas used non-exclusively by Tenant and other Tenants in the Building, including, but not limited to, corridors, lavatories, driveways, truck docks, parking lots and landscaped areas. Common Areas are available to Tenant and its employees, agents, customers, and invitees for reasonable use in common with other lessees, their employees, agents, customers and invitees, subject to reasonable rules and regulations set forth by Landlord.

“Property” – All that certain real estate legally described on Exhibit A-l attached hereto and incorporated herein, on which the Building is located.

In consideration for the Base Rent, Additional Rent and any additional compensation(s) outlined in this Lease, Landlord leases to Tenant the Demised Premises under the following conditions:

1.0 TERM OF LEASE AND POSSESSION:

Landlord gives and Tenant takes possession of Demised Premises for the term of five (5) years, beginning on the earlier of (i) January 1, 2004, or (ii) the date on which Tenant shall commence business operations at and from the Demised Premises (the “Commencement Date”); provided, however, that the Commencement Date shall in no event be earlier than ten (10) days after Landlord shall provide to Tenant the “Delivery Notice”, as defined below, and ending on a date five (5) years thereafter, unless terminated earlier as provided herein. Landlord shall deliver possession of the Demised Premises to Tenant in the condition required by this Lease on or before a date thirty (30) days after satisfaction or waiver of the Tenant contingencies set forth in Section 39.0 hereof (the “Scheduled Delivery Date”). The Demised Premises shall be delivered in substantially the same condition as that existing on the date of execution of this Lease, reasonable wear and tear excepted with a current certificate of occupancy in effect if required. Delivery of the Demised Premises shall occur at such time as Landlord shall make the Demised Premises available to Tenant in the condition required under this Lease. The rentals herein reserved shall commence on the Commencement Date. Landlord shall have no responsibility or liability for loss or damage to fixtures, facilities or equipment installed or left on the Demised Premises. After the Commencement Date, the parties agree to execute a memorandum confirming the Commencement Date and the Expiration Date. Landlord shall deliver a written termination of the existing lease with Diametrics Medical, Inc. effective as of the Commencement Date. In the event that the Commencement

Date has not occurred within ninety (90) days of the expiration of the Tenant Contingencies as set forth in Section 39.0, Tenant may terminate this Lease by giving written notice of its election to do so to Landlord, which shall be effective ten (10) days after the delivery of such notice, unless Landlord shall deliver the Demised Premises during such 10-day period.

1.1 RENEWAL OPTIONS

Tenant shall have the right to extend the Term of this Lease for two (2) Renewal Terms of three (3) years each exercisable by written notice given by Tenant not less than 180 days prior to the end of the then current Term provided that no default on the part of the Tenant, of which Tenant has received written notice and allowed a cure period equal to the longer or the applicable cure period provided for under this Lease or fifteen days, shall exist at the time that such notice is given or at the commencement of such renewal term. The Base Rent payable during each Renewal Term shall be one hundred and five percent (105%) of that payable during the preceding Term.

2.0 BASE RENT:

Landlord is due and Tenant shall pay Landlord, Base Rent as scheduled:

Base Rent due for any partial month at the beginning or end of the term of this Lease (the “Lease Term” shall be prorated based on the number of days in such month falling within the Lease Term.

3.0 ADDITIONAL RENT:

Tenant shall reimburse to Landlord monthly, throughout the Term of Lease and any extension of this Lease, the following Additional Rent to the extent allocable to the Demised Premises:

Common Area Maintenance (CAM) expenses, Real Estate Taxes/Assessments, any Utilities not paid directly by Tenant, and any Miscellaneous Charges or Reimbursements

Landlord may estimate annual CAM and Real Estate Taxes/Assessments expenses as a basis for reimbursement for any calendar year and invoice in monthly installments (see Exhibit C). During the Term of Lease and/or any extension of this Lease, Landlord, within 120 days of each calendar year end, will provide to Tenant a written statement of actual CAM and Real Estate Taxes/Assessments expenses, along with reasonable backup information with respect thereto. If Tenant has underpaid its share of any of these expenses, at Landlord’s election, Tenant shall reimburse Landlord as invoiced, which amounts shall be paid within thirty (30) days of receipt of such invoice. If Tenant has overpaid its share of any of these expenses, Landlord will credit such amount against the most current monthly invoice. If the Term of Lease includes less than the full calendar year, any reimbursements) will be prorated based on time of occupancy for such year. Upon prior written notice to Landlord, Tenant shall have the opportunity to

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audit the actual CAM and Real Estate Taxes/Assessments expenses statement for a period of 180 days upon receipt of said Statement. Tenant waives its rights to audit the actual CAM and Real Estate Taxes/Assessments expenses upon the failure of the Tenant to exercise such rights during said 120 day period. In the event that Tenant has been overcharged by three percent (3%) or more, Landlord shall reimburse Tenant, along with the amount of such over charge, the reasonable cost of such audit.

Tenant’s share of all Additional Rent will be determined by the Tenant’s leased share (Demised Premises) of the total building square footage along with Tenant’s proportionate share of any rooms considered common area to the building (expenses will be calculated on an annual basis divided by building square footage to obtain an annual cost per square foot.)

Landlord, at its election, may invoice for reimbursement(s) of any Utility usage not paid directly by Tenant.

3.1 COMMON AREA MAINTENANCE EXPENSES (CAM):

Common Area Maintenance (CAM) shall include the reasonable expenses incurred in connection with maintenance, repair, replacement (amortized over the useful life of replacements having a cost in excess of Three Thousand Dollars) and care of all lighting, plumbing, roofs (i.e., including ordinary roof repairs, but excluding replacement of the roof or any material portion thereof), parking surfaces, landscaped areas, signs, snow removal, non-structural repair and maintenance of the exterior of the Building, costs of equipment purchased and used for such purposes (amortized over its useful life), cleaning and cleaning supplies for the common areas, insurance premiums, management fee not to exceed 5% of gross collected rents, and wages and fringe benefits of personnel employed for such work on site Additionally, during the term of this Lease, any extension and/or renewal of this Lease, CAM expenses shall include the annual cost or portion allocable to the Building (i.e. amortized over the useful life thereof) of any capital improvements made to the Building by Landlord which result in a reduction of expenses (but only to the extent of such reduction or reasonable estimate thereof) or required under any governmental law or regulation by reason of the Tenant’s particular needs and use of the Demised Premises. Those items set forth, on Exhibit D attached hereto and incorporated herein shall be excluded from CAM.

3.2 REAL ESTATE TAXES AND ASSESSMENTS:

Real Estate Taxes and Assessments shall mean all Real Estate Taxes, all assessments and any taxes in lieu thereof payable during each calendar year during the term of this Lease, which may be levied upon or assessed against the Building. In the event the taxing authorities additionally include in such real estate and assessments the value of any improvements made by Tenant, or of machinery, equipment, fixtures, inventory or other personal property or assets of Tenant, then Tenant shall pay all the taxes attributable to such items. Upon Tenant’s request, Landlord will furnish a copy of the Real Estate Tax statement

3.3 UTILITIES

Landlord shall provide mains and conduits to supply water, gas, electricity and sanitary sewage to the Building. Tenant shall pay, when due, all charges for sewer and water usage, garbage/refuse disposal/removal and recycling, electricity, gas and other fuels, telephone/communication services and/or other utility services or energy source furnished to the Demised Premises during the term of this Lease, or any extension and/or renewal of this Lease. If Tenant’s usage of any utility is deemed disproportionate as determined by Landlord, Landlord may elect to submeter and bill Tenant accordingly. Landlord accepts no responsibility for any

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disruption of any utility service due to accident, natural causes or circumstances beyond Landlord’s control and/or the utility provider’s inability to deliver said service .

3.4 MISCELLANEOUS CHARGES AND REIMBURSEMENTS

Miscellaneous Charges and Reimbursements shall include, without limitation, service requests facilitated by Landlord at the direction of Tenant, Tenant improvement reimbursements, notes due Landlord and any other miscellaneous charge due Landlord

4.0 COVENANT TO PAY RENT:

With exception of the limited right of offset set forth in Section 22, the covenants of Tenant to pay the Base Rent and the Additional Rent are each independent of any other covenant, condition, provision or agreement contained in this Lease. All rents are due and payable as invoiced on the first of the each month during the Term of Lease and any extensions of the Lease to Landlord at:

2575 North Fairview Avenue, Suite 250
Roseville, Minnesota 55113

or such other address as Landlord shall designate to Lessee in writing.

5.0 OVERDUE PAYMENTS:

All base rent and additional rent under this Lease and any extension shall be due on the first of each calendar month, unless otherwise specified. Service charges shall be imposed after the tenth day of each calendar month in the amount five percent (5%) of the delinquent payment.

6.0 USE:

The Demised Premises shall be used and occupied by Tenant solely for the purposes of general office, showroom, warehouse and light manufacturing (collectively, the “Permitted Uses”) and Tenant agrees that such use shall be in compliance with all applicable laws, ordinances and governmental regulations affecting the Building and Premises. Tenant shall immediately discontinue any use of the Demised Premises which is not in compliance with any applicable laws, ordinances or governmental regulations. The Demised Premises shall not be used in such manner that, in accordance with any requirement of law or of any public authority, Landlord shall be obliged on account of the purpose or manner of said specific use by Tenant (as opposed to office, showroom, warehouse or light manufacturing use generally) to make any addition or alteration to or in the Building. Tenant shall occupy the Demised Premises, conduct its business and control its agents, employees, invitees and visitors in such a way as is lawful, and will not permit or create any nuisance, unusual or unreasonable noise, noxious odor, or otherwise unreasonably interfere with, annoy or disturb any other tenant in the Building in its normal business operations or Landlord in its management of the Building. Tenant’s use of the Demised Premises shall conform to all the Landlord’s rules and regulations relating to the use of the Building so long as such rules and regulations (i) are binding on all tenants of the Building, (ii) are not enforced in a discriminatory manner, and (iii) do not materially reduce Tenant’s rights hereunder or increase Tenant’s liabilities hereunder. Outside storage on the Building of any type of equipment, property or materials owned or used on the Premises by Tenant or its customers and suppliers shall not be permitted, unless otherwise stated.

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7.0 SECURITY AND DAMAGE DEPOSIT: INTENTIONALLY DELETED

OMISSION OR INCLUSION OF THIS PROVISION SHALL DEPEND UPON THE FINANCIAL STATEMENTS OF THE TENANT AND EXISTENCE OR NON EXISTENCE OF GUARANTEES BY THE PARENT CORPORATION.

8.0 CARE AND REPAIR OF DEMISED PREMISES:

Tenant shall, at all times throughout the Term of Lease and any extensions, and at its sole expense except to the extent either (i) caused by the negligence of Landlord, its agents, employees or contractors or (ii) otherwise expressly allocated to Landlord hereunder, keep and maintain the Demised Premises in a clean, safe, sanitary and first class condition and in compliance with all applicable laws, codes, ordinances, rules and regulations. Tenant’s obligations hereunder shall include without limitation, the maintenance, repair, replacement, if necessary of all interior walls, partitions, doors and windows, including the regular painting thereof, all exterior entrances, windows, doors and docks, the replacement of all broken glass, of any fixture/equipment/component of heating, ventilation, air conditioning (HVAC) systems, all lighting systems, plumbing systems and electrical systems located within the Demised Premises. Landlord shall repair and/or replace the HVAC systems as necessary so that they are in proper working order on the Commencement Date. Landlord shall warrant the condition of the generic HVAC systems serving the Building generally for one (1) year after the Commencement Date. Thereafter, Tenant shall obtain and maintain at all times during the term of this Lease a maintenance contract with an HVAC contractor acceptable to Landlord in its reasonable discretion for the regular maintenance of all heating, ventilating and air conditioning equipment exclusively serving the Demised Premises (collectively, the “HVAC Equipment” and shall cause all regularly scheduled maintenance under such contract to be performed. In the event that an HVAC rooftop unit or ceiling hung unit heater of a generic type which serves the building generally (as opposed to HVAC components which have been installed in connection with the specific needs of the Tenant’s business operations) requires replacement or extraordinary repair, the cost of such replacement or extraordinary repair shall be shared between Landlord and Tenant, Tenant’s share to be based on the ratio of the number of months remaining in the then current term of the Lease to the estimated useful life of the replacement unit or extraordinary repair, as the case may be, unless caused by the misuse or neglect of Tenant. The useful life of any replacement of the HVAC Equipment will be deemed to be fifteen (15) years for a roof top unit and ten (10) years for a ceiling hung unit heater. If Tenant exercises a renewal option, Tenant shall pay to Landlord on the first (1^st) day of such extension or renewal term an additional portion of the cost of such extraordinary repair or replacement of the HVAC Equipment based upon a fraction, the numerator of which is the number of calendar months in such extension or renewal term, and the denominator of which the number of calendar months in the full useful life of such extraordinary repair or replacement of the HVAC Equipment, as determined above. With the exception of HVAC Equipment, when used in this provision, the term “repairs” shall include replacements, and all such repairs or replacements made by the Tenant shall be of equal quality to the original equipment or work. The Tenant shall keep and maintain all portions of the Demised Premises and the sidewalk adjoining the same in a clean and orderly condition, free of accumulation of dirt, rubbish, snow and ice, regardless of any CAM performed by Landlord. Tenant shall maintain a minimum temperature in the Demised Premises of 40 degrees during the Lease Term.

If Tenant fails, refuses or neglects to maintain or repair the Demised Premises as required in this Lease, and such failure continues for a period of thirty (30) days after written notice shall have been given Tenant (provided, however, that in the event of a bona fide emergency, Landlord shall only be required to provide such notice as is practicable under the circumstances), in accordance with Article 17.0 of this Lease, Landlord may make such repairs or replacements without liability to Landlord for any loss or damage that may accrue’to Tenant’s merchandise, fixtures or other property or to Tenant’s business by reason thereof, and upon completion thereof, Tenant shall pay to Landlord all costs plus 10% for

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overhead incurred by Landlord in making such repairs or replacements. Landlord shall perform any such work in a manner intended to minimize any interference with the conduct of Tenant’s business.

Landlord shall maintain and repair, at its expense and not reimbursable as CAM, (i) the structural portions of the Building, (ii) all utility lines serving the Demised Premises and located outside of the Demised Premises, and (iii) the exterior walls of the Building, unless such repairs are required as a result of the negligence or otherwise wrongful acts of Tenant, its employs, agents, assigns, invitees or contractors in which event the costs thereof shall be borne by Tenant and payable by Tenant to Landlord.

The Landlord shall be responsible for all outside maintenance of the Demised Premises, including grounds and parking areas, and including the prompt removal of any accumulated snow and ice in the Common Areas. All such maintenance which is the responsibility of the Landlord shall be provided as reasonably necessary to the comfortable use and occupancy of Demised Premises during business hours, except Sundays and holidays. Landlord shall be obligated to exert all reasonable efforts to perform its obligations under this Lease, but not be liable for damages arising from its performance or non-performance of repairs or maintenance arising due to causes beyond its control.

9.0 HAZARDOUS MATERIALS:

Tenant shall not (either with or without negligence) cause or permit the escape, disposal or release of any biologically or chemically active or other hazardous substances, or materials in the Building or on or under the Property in violation of applicable environmental laws, rules or regulations. Tenant shall not allow the storage or use of such substances or materials in any manner not sanctioned by law or by the highest standards prevailing in the industry for the storage and use of such substances or materials, nor allow to be brought into the Project any such materials or substances except in the ordinary course of Tenant’s business. Tenant shall upon request of the Landlord provide a listing of the hazardous substances or materials used or stored by Tenant within the Demised Premises. Without limitation, hazardous substances and materials shall include those described in the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended, 42 U.S.C. Section 9601 et seq., the Resource Conservation and Recovery Act, as amended, 42 U.S.C. Section 6901 et seq., any applicable state or local laws and the regulations adopted under these acts. In addition, Tenant shall execute affidavits, representations and the like from time to time at Landlord’s request concerning Tenant’s best knowledge and belief regarding the presence of hazardous substances or materials (i) on the Demised Premises. In all events, Tenant shall indemnify Landlord from any release of hazardous materials on the Demised Premises occurring while Tenant is in possession or (ii) elsewhere if, in either case, such release is caused by Tenant or persons acting under Tenant. The within covenants shall survive the expiration or earlier termination of the lease term.

Tenant shall indemnify and hold Landlord harmless from any liability, damages, claims, causes of action, charges or other expenses (including without limitation reasonable attorneys’ fees) paid, incurred or asserted against Landlord by reason of Tenant’s failure to perform its obligations under this Section 9.0.

Landlord represents and warrants to Tenant with respect to those portions of the Building and the Property and the Demised Premises (with the exception of anything caused by or arising from the activities of Diametrics Medical, Inc. or its agents or employees) that, (i) as of the Commencement Date, there will be no hazardous substances and materials, including without limitation asbestos-containing materials and polychlorinated biphenyls, except such materials as are used in strict accordance with all applicable environmental laws or regulations (“Environmental Laws”) by other tenants of the Building, (ii) except for hazardous substances or materials which are the responsibility of Tenant under this Section 9.0, Landlord shall promptly remove or otherwise remediate in accordance with all applicable Environmental Laws, any hazardous substances or materials located, stored, disposed of or otherwise released on or about the Building or the Property in violation of Environmental Laws. Landlord shall

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indemnify and hold Tenant harmless from any liability, damages, claims, causes of action, charges or other expenses (including without limitation reasonable attorneys fees) paid, incurred or asserted against Tenant by reason of the presence, storage, disposal or release within those portions of the Building which do not include the Demised Premises or on or about the Property of any such hazardous substances or materials, including hazardous substances or materials located within the Demised Premises or brought onto, disposed of or released by Tenant, its agents, employees and contractors.

10.0 PUBLIC LIABILITY INSURANCE:

Tenant shall during the term hereof keep in full force and effect at its own expense a policy or policies of public liability insurance with respect to the Demised Premises and the business of Tenant, on terms and with companies approved in writing by Landlord, in which both Tenant and Landlord shall be covered by being named as insured parties with combined coverage limits of liability not less than $1,000,000. Such policy or policies shall provide that ten (10) days written notice must be given to Landlord prior to cancellation thereof. Tenant shall furnish evidence satisfactory to Landlord at the time this Lease is executed that such coverage is in full force and effect.

11.0 SIGNAGE AND DISPLAYS:

Upon occupancy, building exterior signage, building directories and/or pylon signage shall be approved, installed and provided for by Landlord in compliance with city ordinances and building signage criteria. Any changes, modifications and/or maintenance of initial signage shall be at Tenant’s sole cost and expense with approval of Landlord. Additional signage, lettering, picture, notice or advertisement installed on or in any part of the Premises and visible from the exterior of the Building, or visible from the exterior of the Demised Premises, shall be approved by Landlord and shall be installed at Tenant’s sole cost and expense. Said signs are to be maintained by Landlord at Tenant’s expense. Landlord may remove any unauthorized signs without any liability to Landlord and may charge the expense incurred by such removal to Tenant.

12.0 ALTERATIONS, INSTALLATION, FIXTURES:

Unless otherwise stated, Tenant shall not make any alterations, additions or improvements in or to the Demised Premises or add, disturb or in any way change any plumbing or wiring without the prior written consent of the Landlord, which consent shall not unreasonably be withheld, delayed or conditioned. Notwithstanding the foregoing to the contrary, Tenant may redecorate or otherwise perform cosmetic alterations of the Demised Premises, or make other non-structural alternations which do not materially increase the cost of restoration of the Demised Premises upon the expiration of the Term of this Lease having an aggregate cost of less than $25,000 (either in a single improvement or a series of related improvements), upon prior written notice to Landlord, but without the necessity of obtaining Landlord’s consent. Tenant shall promptly provide lien waivers or other satisfactory evidence of payment to Landlord upon completion. In the event alterations are required by any governmental agency by reason of the use and occupancy of the Demised Premises by Tenant (as opposed to office, showroom, warehouse and light manufacturing use generally), Tenant shall make such alterations at its own cost and expense after first obtaining Landlord’s written approval of plans and specifications and furnishing such indemnification as Landlord may reasonably require against liens, costs, damages and expenses arising out of such alterations. Tenant shall warrant to Landlord that all such alterations, additions, or improvements shall be in strict compliance with all relevant laws, ordinances, governmental regulations and insurance requirements. Construction of such alterations or additions shall commence only upon Tenant obtaining and exhibiting to Landlord the requisite approvals, licenses and permits And mechanic lien waivers or other evidence of payment acceptable to Landlord. Unless otherwise agreed to, all

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alterations, installations, physical additions or improvements to the Demised Premises, excluding attached equipment and/or fixtures installed by Tenant which can be removed without permanent damage to the Demised Premises (collectively, “Tenant’s Property”) made by Tenant shall at once become the property of Landlord and shall be surrendered to Landlord upon the termination of this Lease.

13.0 ACCESS TO DEMISED PREMISES:

Tenant, agrees to permit Landlord and the authorised representatives of Landlord to enter the Demised Premises upon reasonable prior notice (except in the event of a bona fide emergency) at all times during usual business hours for the purpose of inspecting the same and making any necessary repairs to the Demised Premises and performing any work therein that may be necessary to comply with any laws, ordinances, rules, regulations or requirements of any public authority or of the Board of Fire Underwriters or any similar body or that Landlord may deem necessary to prevent waste or deterioration in connection with the Demised Premises. Nothing herein shall imply any duty upon the part of Landlord to do any such work which, under any provision of this Lease, Tenant is required to perform and the performance thereof by Landlord shall not constitute a waiver of the Tenant’s default to perform the same. Landlord may, during the progress of any work in the Demised Premises or Building, keep and store upon the Demised Premises or Building all necessary materials, tools, and equipment Any such work shall be performed in a manner intended to minimize interference with the conduct of Tenant’s business at and from the Demised Premises.

Landlord reserves the right to enter upon the Demised Premises (a) at any time in the event of an emergency and (b) at reasonable hours on reasonable prior notice to exhibit the Demised Premises to prospective purchasers or investors or lenders; and to exhibit the Demised Premises to prospective tenants during the last one hundred twenty (120) days of the term of this Lease, all without hindrance by Tenant,

14.0 REMOVAL OF FIXTURES

Notwithstanding anything contained elsewhere in this Lease, upon the request of Landlord the Tenant shall promptly remove at its sole expense all fixtures, equipment and alterations made by Tenant with notice from Landlord that such future removal would be required, simultaneously with vacating the Demised Premises and Tenant shall promptly restore the Demised Premises to the condition that existed immediately prior to said fixtures, equipment and alterations having been made.

15.0 ASSIGNMENT OR SUBLETTING:

Tenant agrees to use the Demised Premises throughout the entire term hereof for the purpose herein specified and for no other purposes, and, except as to an “Intracorporate Transfer” (as defined below), not to transfer or assign this Lease or sublet said Demised Premises, or any part thereof, whether by voluntary act, operation of law, or otherwise, without obtaining the prior consent of Landlord in each instance. Tenant shall seek such consent of Landlord by a written request therefor, setting forth such information as Landlord may reasonably deem necessary. Landlord agrees not to withhold, delay or condition consent unreasonably. Consent by Landlord to any assignment of this Lease or to any subletting of the Demised Premises shall not be a waiver of Landlord’s right under this Article as to any subsequent assignment or subletting. Landlord’s rights to assign this Lease are and shall remain unqualified. No such assignment or subleasing shall relieve the Tenant from any of Tenant’s obligations in this Lease contained, nor shall any assignment or sublease or other transfer of this Lease be effective unless the assignee, subtenant or transferee shall at the time of such assignment, sublease or transfer, assume in writing for the benefit of Landlord, its successors or assigns, all of the terms, covenants, and conditions of this Lease thereafter to be performed by Tenant and shall agree in writing to be bound thereby. Should Tenant sublease in accordance with the terms of this Lease, fifty percent (50%) of any

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increase in aggregate rental received by Tenant over the per square foot rental rate which is being paid by Tenant shall be forwarded to and retained by Landlord, which increase shall be in addition to the Base Rent and Additional Rent due Landlord under this Lease.

Notwithstanding the foregoing to the contrary, Tenant shall have the right, upon notice to but without the consent of Landlord, to assign this Lease or sublet the Demised Premises to a corporation, person or entity which: (i) is a corporation, person or entity in which Tenant, Tenant’s parent or an affiliate of Tenant owns, or the shareholders of Tenant or Tenant’s parent corporation own, in excess of fifty percent (50%) of the outstanding capital stock or ownership interest; or (ii) as a result of a consolidation, merger or other reorganization with Tenant and/or Tenant’s parent corporation; or (iii) acquires or is acquiring all or substantially all of the outstanding capital stock or assets of Tenant or Tenant’s parent; or (iv) as a result of a change of the domicile of Tenant or the reincorporation of Tenant in another jurisdiction, shall own all or substantially all of the assets of Tenant (collectively, an “Intracorporate Transfer”).

Any assignment or subletting pursuant to (i) – (iv) above, inclusive, shall be subject to the following conditions: (a) Tenant shall remain fully liable during the unexpired term of this Lease, including any exercised renewal or extension options; (b) the assignee or subtenant pursuant to (ii) or (iii) shall assume the obligations of Tenant under this Lease without thereby releasing the Tenant; and (c) any such assignment or subletting shall be subject to all of the terms, covenants and conditions of this Lease.

16.0 SUCCESSORS AND ASSIGNS:

The terms, covenants and conditions hereof shall be binding upon and inure to the successors and assigns of the parties hereto,

17.0 NOTICES:

Any notice required or permitted under this Lease shall be deemed sufficiently given or secured if sent by registered or certified return receipt mail to Tenant at the Demised Premises, Attn: President, and at                   , Attn: President, and to Landlord at the address then fixed for the payment of rent as provided in Article 4.0 of this Lease and either party may by like written notice at any time designate a different address to which notices shall subsequently by sent or rent to be paid

18.0 SURRENDER:

On the Expiration Date or upon the termination hereof upon a day other than the Expiration Date, Tenant shall peaceably surrender the Demised Premises in the condition in which the Demised Premises were delivered to Tenant as set forth in Section 1.0 hereof, reasonable wear and tear. Permitted alternations and insured casualty only excepted; warehouse area in broom clean condition; office/restroom area vacuumed and cleaned. On or before the Expiration Date or upon termination of this Lease on a day other than the Expiration Date, Tenant shall, at its expense, remove all trade fixtures, personal property and equipment and signs from the Demised Premises and any property not removed shall be deemed to have been abandoned. Any damage caused in the removal of such items shall be repaired by Tenant and at its expense. All alterations, additions, improvements and fixtures (other than Tenant’s Property) which shall have been made or installed by Landlord or Tenant upon the Demised Premises and all floor covering so installed shall remain upon and be surrendered with the Demised Premises as a part thereof, without disturbance, molestation or injury, and without charge, at the expiration or termination of this Lease If the Demised Premises are not surrendered on the Expiration Date or the date of termination, Tenant shall indemnify Landlord against loss or liability or claims made by any succeeding Tenant resulting from such delay. Tenant shall promptly surrender all keys for the Demised Premises to

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Landlord at the place then fixed for payment of rent and shall inform Landlord of combinations of any locks and safes on the Demised Premises.

19.0 HOLDING OVER:

In the event of a holding over by Tenant after expiration or termination of this Lease without the consent in writing of Landlord, Tenant shall be deemed a Tenant at sufferance and shall pay rent for such occupancy at the rate of 150% of the last-current aggregate Base and Additional Rent, prorated for the entire holding over period. Except as otherwise agreed, any holding over with the written consent of Landlord shall constitute Tenant a month-to-month lease. Upon entry into a lease renewal following the payment of Holdover Rent, the Landlord shall refund such holdover rent.

20.0 MINIMUM TEMPERATURE:

Tenant shall maintain a minimum temperature in the Demised Premises of 40 degrees during the Lease Term.

21.0 DEFAULT OF TENANT:

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22.0 DEFAULT OF LANDLORD:

The failure of Landlord to perform or observe any of the covenants, provisions or conditions contained in this Lease on its part to be performed or observed within thirty (30) days after written notice of default shall be considered a “Landlord Default” for purposes of this Lease. In the event of a Landlord Default, Tenant may, in addition to any other rights and remedies allowed by applicable law, and except as otherwise expressly set forth herein, cause such default to be cured and deduct from its next due installments of Rent hereunder, all reasonable costs and expenses incurred by Tenant in doing so. Notwithstanding the foregoing to the contrary, in the event that Landlord shall, within thirty (30) days after receipt of any notice of default from Tenant, provide notice to Tenant that Landlord in good faith disputes that Landlord is in default in the performance of any obligation hereunder (a “Dispute Notice”), Tenant shall not offset or deduct any amounts from any installments of Rent unless and until such bona fide dispute shall have been resolved in Tenant’s favor under a “reference proceeding” in accordance with the provisions set forth below.

Such reference proceeding shall be conducted in accordance with the procedures set forth below for a determination which will be binding upon the parties, and subject to an appeal only to the extent a binding arbitrator’s award would be appealable under the rules of the American Arbitration Association (“AAA”). The parties agree specifically as to the following:

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23.0 EMINENT DOMAIN:

In the event of any eminent domain of condemnation proceeding or private sale in lieu thereof in respect to the Building during the term thereof, the following provisions shall apply:

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24.0 RULES AND REGULATIONS. INTENTIONALLY OMITTED

25.0 CONDITION AFFECTING HEALTH AND SAFETY:

In the event that any condition not caused by Tenant, its employees, agents or contractors, exists or arises in the Building or on the Property which has been determined by a qualified third party to constitute a material risk to the health or safety of Tenant’s employees, invitees or licensees and Tenant has provided Landlord with written notice of such condition and the third party opinion with respect thereto and, as a result thereof, Tenant, in its reasonable business discretion, elects to cease the use of that portion of the Demised Premises which has been determined by such third party to constitute such risk. Base and Additional Rent shall abate equitably until Landlord shall correct such condition. In addition, if Landlord fails to correct such condition within one hundred eighty (180) days after written notice thereof from Tenant, Tenant shall have the right to terminate this Lease by written notice to Landlord.

26.0 DAMAGE OR DESTRUCTION:

In the event of any damage or destruction to the Premises by fire or other cause during the term hereof, the following provisions shall apply:

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27.0 CASUALTY INSURANCE:

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28.0 COVENANTS TO HOLD HARMLESS:

Unless the liability for damage or loss is caused by the negligence of Landlord, its agents, employees or contractors, Tenant shall hold harmless Landlord from any liability for damages to any person or property in or upon the Demised Premises and the Building, including the person and property of Tenant and its employees and all persons in the Building at its or their invitation or sufferance, and from all damages resulting from Tenant’s failure to perform the covenants of this Lease. Unless the liability for damage or loss is caused by the negligence of Tenant, its agents, employees or contractors, Landlord shall hold harmless Tenant from any liability for damages to any person or property in or upon the Building (excluding the Demised Premises) or the Property, including the person and property of Landlord and its employees and all persons in the Building or on the Property. All property kept, maintained or stored on the Demised Premises shall be so kept, maintained or stored at the sole risk of Tenant. Tenant agrees to pay all sums of money in respect of any labor, service, materials, supplies or equipment furnished or alleged to have been furnished to Tenant in or about the Demised Premises, and not furnished on order of Landlord, which may be secured by any mechanic’s materialmen’s or other lien to be discharged at the time performance of any obligation secured thereby matures, provided that Tenant may contest such lien, but if such lien is reduced to final judgment and if such judgment or process thereon is not stayed, or if stayed and said stay expires, then and in each such event, Tenant shall forthwith pay and discharge said judgment. Landlord shall have the right to post and maintain on the Demised Premises, notices of non-responsibility under the laws of the State of Minnesota.

29.0 NON-LIABILITY:

Except as otherwise expressly provided herein, (i) Landlord shall not be liable for any damage to property of Tenant or of others located on the Premises, nor for the loss or damage to any property of Tenant or of others by theft or otherwise, (ii) Landlord shall not be liable for any injury or damage to persons or property resulting from fire, explosion, falling plaster, steam, gas, electricity, water, rain or snow or leaks from any part of the Premises or from the pipes, appliances, or plumbing works or from the roof, street or subsurface or from any other place or by dampness or by any other cause of whatsoever nature; and (iii) Landlord shall not be liable for any such damage caused by other Tenants or persons in the Premises, occupants or adjacent property, of the buildings, or the public or caused by operations in construction of any private, public or quasi-public work Landlord shall not be liable for any latent defect in the Demised Premises. All property of Tenant kept or stored on the Demised Premises shall be so kept or stored at the risk of Tenant only and Tenant shall hold Landlord harmless from any claims arising out of damage to the same, including subrogation claims by Tenant’s insurance carrier.

30.0 SUBORDINATION:

This Lease shall be subordinated to any mortgage that may now exist or that may hereafter be placed upon the Demised Premises and to any and all advances made thereunder, and to the interest upon the indebtedness evidenced by such mortgages, and to all renewals, replacements and extensions thereof, so long as such holder shall agree in writing that it shall not disturb the possession and other rights of Tenant under this Lease so long as Tenant is not in default hereunder beyond any applicable cure periods. In the event of execution by Landlord after the date of this Lease of any such mortgage, renewal, replacement or extension, Tenant agrees to execute a subordination agreement (an “SNDA”) with the holder thereof which agreement shall provide that:

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As a condition to Tenant’s obligations hereunder, Landlord shall cause an SNDA meeting the foregoing requirements and otherwise being acceptable to Tenant in its commercially reasonable discretion to be executed by any party currently holding a mortgage encumbering the Building or any other portion of the Property within ninety (90) days of the date hereof.

Tenant shall, upon receipt of a request from Landlord therefor, execute and deliver to Landlord or to any proposed holder of a mortgage or trust deed or to any proposed purchaser of the Premises an Estoppel Letter containing customary disclosures.

31.0 ATTORNMENT:

In the event of a sale or assignment of Landlord’s interest in the Building or this Lease, or if the Building comes into custody or possession of a mortgagee or any other party whether because of a mortgage foreclosure, or otherwise, Tenant shall attorn to such assignee or other party and recognize such party as Landlord hereunder; provided, however, Tenant’s peaceable possession will not be disturbed so long as Tenant faithfully performs its obligations under this Lease. Tenant shall execute, on demand, any attornment agreement required by any such party to be executed, containing such provisions as such party may reasonably require so long as the transferee shall assume in writing the obligations of Landlord hereunder. Landlord shall have no further obligations under this Lease after any such assignment.

32.0 NOVATION IN THE EVENT OF SALE:

In the event of the sale of the Demised Premises, Landlord shall be and hereby is relieved of all of the covenants and obligations created hereby accruing from and after the date of sale, so long as the purchaser shall assume and agree to carry out all the covenants and obligations of Landlord herein. Notwithstanding the foregoing provisions of this Section 30.0, Landlord, in the event of a sale of the Demised Premises, shall cause to be included in this agreement of sale and purchase a covenant whereby the purchaser of the Demised Premises assumes and agrees to carry out all of the covenants and obligations of Landlord herein.

The Tenant agrees at any time and from time to time (but not more often than twice per year) upon not less than ten (10) days prior written request by the Landlord to execute, acknowledge and deliver to the Landlord a statement in writing certifying that this Lease is unmodified and in full force and effect as modified and stating the modifications, and the dates to which the basic rent and other charges have been paid in advance, if any, it being intended that any such statement delivered pursuant to this paragraph may be relied upon by any prospective purchaser of the fee or mortgagee or assignee or any mortgage upon the fee of the Demised Premises.

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33.0 QUIET ENJOYMENT:

Landlord warrants that it has full right to execute and to perform this Lease and to grant the estate demised, and that Tenant, upon payment of the rents and other amounts due and the performance of all the terms, conditions, covenants and agreements on Tenant’s part to be observed and performed under this Lease, may peaceably and quietly enjoy the Demised Premises for the business uses permitted hereunder, subject, nevertheless, to the terms and conditions of this Lease.

34.0 RECORDING:

Tenant shall not record this Lease without the written consent of Landlord. However, upon the request of either party hereto, the other party shall join in the execution of the Memorandum lease for the purposes of recordation. Said Memorandum lease shall describe the parties, the Demised Premises and the term of the Lease and shall incorporate this Lease by reference. This Article 34.0 shall not be construed to limit Landlord’s right to file this Lease.

35.0 CONSENTS:

Whenever provision is made under this Lease for either party securing the consent or approval by the other party, such consent or approval shall only be in writing.

36.0 DEFAULT RATE:

Any sums due from either party to the other shall, if not paid within ten (10) days of the date due, bear interest at the Default Rate from the date due to the date paid.

37.0 GENERAL:

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38.0 LITIGATION COSTS:

If either party hereto initiates litigation (including without limitation a reference proceeding under Section 22 hereof) to enforce the provisions of this Lease against the other party, the prevailing party in such litigation shall be entitled to reimbursement from the non-prevailing party of all reasonable and documented costs and expenses, including reasonable attorneys’ fees, paid or incurred by the prevailing party in connection with such litigation. The term “prevailing party” shall be defined to mean the party whose position in such litigation is substantially upheld in a final, non-appealable judgment rendered in such action.

39.0 TENANT CONTENCIES:

The obligations of Tenant hereunder shall be contingent upon the following:

In the event that either of the contingencies described above is not satisfied within the applicable contingency period set forth above or, if no period is specified by the Commencement Date, Tenant may terminate this Lease by written notice to Landlord prior to the expiration of the applicable contingency period.

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40.0 TENANT IMPROVEMENT ALLOWANCE:

Landlord will provide a Fifty Thousand and 00/100 Dollar ($50,000.00) cash allowance to Tenant for Tenant Improvements (the “Tenant Improvement Allowance”). The Tenant Improvement Allowance shall be used to reimburse Tenant for the cost of improvements to the Demised Premises which have been approved by Landlord, either prior to or after the Commencement Date, upon presentation of lien waivers all the work having a cost in excess of $1,000.00.

     IN WITNESS WHEREOF, the Landlord and the Tenant have executed this lease in form and manner sufficient to bind them at law, as of the day and year first above written,

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EXHIBIT A-l

LEGAL

Lot 1, Block 1, Patton Business Second Addition, according to the recorded plat thereof, Ramsey County, Minnesota.

2640-2680 Patton Road, Roseville Business Commons

2003 ESTIMATED COMMON AREA MAINTENANCE (CAM) EXPENSES

Bldg. SF: 77707

***Sewer/Water billed quarterly

2003 Est. Property Tax: $1.97 /SF/Yr