Document:

<PAGE>   1
                                  EXHIBIT 10.2

                      FOURTH AMENDMENT TO CREDIT AGREEMENT

         AMENDMENT AND WAIVER TO CREDIT AGREEMENT (this "Amendment"), dated as
of October 18, 2000, among Generac Portable Products, Inc., a Delaware
corporation ("Holdings"), GPPW, Inc., a Wisconsin corporation ("WisCorp" and
together with Holdings, the "Parent Guarantors"), Generac Portable Products,
LLC, a Delaware limited liability company (the "Borrower"), the Banks party
thereto from time to time, and Bankers Trust Company, as Administrative Agent.
Unless otherwise defined herein, all capitalized terms used herein shall have
the respective meanings provided such terms in the Credit Agreement referred to
below.

                              W I T N E S S E T H:

         WHEREAS, the Borrower, the Banks, the Administrative Agent and the
Parent Guarantors are parties to a Credit Agreement, dated as of July 9, 1998
(as amended, modified or supplemented to the date hereof, the "Credit
Agreement");

         WHEREAS, Events of Default have occurred under Sections 9.08, 9.09 and
9.10 of the Credit Agreement in respect of the Test Periods ended September 30,
2000 (the "Identified Defaults");

         WHEREAS, the Credit Parties have requested that the Banks amend the
Credit Agreement to inter alia (i) reset the covenants set forth in Sections
9.08 and 9.10 and (ii) waive compliance with Section 9.09 through December 31,
2001;

         WHEREAS, Beacon has committed to purchase, or to cause to be purchased,
senior notes of the Borrower generating net cash proceeds of $15 million by no
later than November 20, 2000, the proceeds of which shall be applied to repay
outstanding Revolving Loans;

         WHEREAS, the parties hereto wish to amend the Credit Agreement as
herein provided;

         NOW, THEREFORE, it is agreed:

     I.   AMENDMENTS TO THE CREDIT AGREEMENT

          A.   Section 1 of the Credit Agreement is hereby amended by inserting
the following new Section 1.14 at the end thereof:

          "1.14   Certain Additional Limitations on Loans and Letters of Credit.
     Notwithstanding anything to the contrary contained in Sections 1.01 and
     2.01 of this Agreement, until such time as (x) the Borrower is in
     compliance with Sections 9.07, 9.08,

<PAGE>   2

     9.09 and 9.10 for the Test Period ended March 31, 2001 (and provided that
     financial statements have been made available to the Administrative Agent
     in accordance with Section 8.01 for such Test Period demonstrating such
     compliance) (and notwithstanding the waiver of Section 9.09 set forth in
     the Fourth Amendment) or (y) the Required Banks otherwise agree, the
     Borrower will not permit at any time the Revolving Loan Outstandings at
     such time to exceed the lesser of (i) the Revolving Loan Outstandings Cap
     and (ii) the Revolving Loan Commitment at such time."

               B.   Section 4.02(e) of the Credit Agreement is hereby amended by
inserting the text "or Indebtedness from the issuance of the Senior Notes"
immediately following the last word in the first parenthetical of such Section.

               C.   Section 4.02 of the Credit Agreement is hereby amended by
inserting the following new clause (l) at the end thereof:

               "(l) Notwithstanding anything to the contrary contained elsewhere
     in this Agreement, all proceeds received by the Borrower from the issuance
     of the Senior Notes shall be used to repay Revolving Loans on a pro rata
     basis among Banks providing such Loans (it being understood that such
     repayment shall not result in a reduction in the Revolving Loan Commitment
     of any Bank)."

               D.   Section 9.04 of the Credit Amendment is hereby amended by
inserting the following new clause (xii) at the end thereof:

               "(xiii) Indebtedness of the Borrower under the Senior Notes,
     provided that the aggregate face amount thereof shall not exceed
     $19,500,000 at any one time outstanding;"

               E.   Section 9.05 of the Credit Agreement is hereby amended by
inserting the following phrase at the end of clause (ii) thereof "or on the last
day of any fiscal quarter commencing with the fiscal quarter ended June 30,
2001."

               F.   Section 9.06 of the Credit Agreement is hereby amended by
(x) deleting the "and" at the end of clause (i) thereof, (y) deleting the "." at
the end of clause (ii) thereof and inserting ", and" in lieu thereof and (z)
adding a new clause (iii) as follows:

               "(iii) the Borrower may issue the Senior Notes"

               G.   Section 9.07(a) of the Credit Agreement is hereby amended by
(x) deleting the reference to "$5 million" appearing in clause (iii), and
inserting in lieu thereof the text "$3 million" and (y) deleting the text "$7.5
million" appearing in clause (iv), and inserting in lieu thereof the text "$4
million".

               H.   Section 9.08 of the Credit Agreement is hereby amended by
deleting the table appearing therein and inserting in lieu thereof the following
new table:

                                      -2-
<PAGE>   3

<TABLE>
<CAPTION>
                      Fiscal Quarter Ended Closest to                        Amount
                      -------------------------------                        ------
                      <S>                                                  <C>
                      September 30, 2000                                    1.00:1.00
                      December 30, 2000                                     0.50:1.00
                      March 31, 2001                                        0.50:1.00
                      June 30, 2001                                         0.65:1.00
                      September 30, 2001                                    1.00:1.00
                      December 31, 2001                                     1.25:1.00
                      March 31, 2002                                        2.65:1.00
                      June 30, 2002                                         2.75:1.00
                      September 30, 2002                                    2.85:1.00
                      December 31, 2002 and thereafter                      3.00:1.00
</TABLE>

               I.   Notwithstanding anything to the contrary contained in the
Credit Agreement, the Banks hereby waive any Default or Event of Default that
may arise under the Credit Agreement solely as a result of Holdings failing to
comply with Section 9.09 of the Credit Agreement at any time during the period
commencing on September 30, 2000 to and including December 31, 2001, provided
that at any time the Default or Event of Default exists under said Section 9.09,
Holdings and its Subsidiaries shall not incur any additional Indebtedness other
than Indebtedness described in clauses (i), (iv), (vi), (vii), (viii), (ix) and
(xii) of Section 9.04 of the Credit Agreement.

               J.   Section 9.10 of the Credit Agreement is hereby amended by
deleting the table appearing therein and inserting in lieu thereof the following
new table:

<TABLE>
<CAPTION>
                    Fiscal Quarter Ended Closest to                      Minimum EBITDA
                    -------------------------------                      --------------
                    <S>                                                 <C>
                    September 30, 2000                                   $24.9 million
                    December 30, 2000                                    $14.0 million
                    March 31, 2001                                       $14.9 million
                    June 30, 2001                                        $17.3 million
                    September 30, 2001                                   $24.1 million
                    December 31, 2001                                    $29.2 million
                    March 31, 2002                                       $53.0 million
                    June 30, 2002                                        $54.0 million
                    September 30, 2002                                   $55.0 million
                    December 31, 2002                                    $56.0 million
                    March 31, 2003                                       $57.0 million
                    June 30, 2003                                        $58.0 million
                    September 30, 2003                                   $60.0 million
                    December 31, 2003 and thereafter                     $62.0 million
</TABLE>

                                      -3-
<PAGE>   4

               K.   Section 9.11 of the Credit Agreement is hereby amended by
(x) by adding to the phrase "or any Senior Note" at the end of clause (ii)
thereof, (y) adding the phrase "or any Senior Note" immediately after the phrase
"any Senior Subordinated Notes" in clause (iii) thereof and (z) adding the
phrase "or any Senior Note Document" immediately after the phrase "any Senior
Subordinated Note Document" in clause (iii) thereof.

               L.   Section 9 Of the Credit Agreement is hereby amended by
adding the following new Section 9.17.

                    "Section 9.17 Senior Notes. The Borrower will enforce the
                    rights under the Senior Notes Documents to the maximum
                    extent permitted by law."

               M.   Section 10 of the Credit Agreement is hereby amended by (x)
inserting an "or" after Section 10.10 thereof and (y) adding new Section 10.11
which shall read as follows:

               "10.11 Senior Note Documents. The Borrower shall have not
          received at least $15 million in net cash proceeds from the issuance
          of the Senior Notes and applied such proceeds to the prepayment of the
          Revolving Loans on or before November 20, 2000; or any Senior Note
          Document or any provision thereof shall cease to be in full force or
          effect as to the Borrower or Beacon or Beacon or any Person acting by
          or on behalf of Beacon shall deny or disaffirm Beacon's obligations
          under any Senior Note Document, or Beacon shall default in the due
          performance or observance of any term, covenant or agreement on its
          part to be performed or observed pursuant to any Senior Note
          Document;"

               N.   The definition of "Applicable Commitment Commission
Percentage" and "Applicable Margin" in Section 11 of the Credit Agreement is
hereby amended by deleting the table appearing therein and inserting in lieu
thereof the following table:

<TABLE>
<CAPTION>
                               APPLICABLE       A TERM LOANS AND       A TERM LOANS AND
                               COMMITMENT        REVOLVING LOANS        REVOLVING LOANS       B TERM LOANS          B TERM LOANS
                               COMMISSION         MAINTAINED AS          MAINTAINED AS        MAINTAINED AS        MAINTAINED AS
 LEVEL     LEVERAGE RATIO      PERCENTAGE        BASE RATE LOANS       EURODOLLAR LOANS      BASE RATE LOANS      EURODOLLAR LOANS
           --------------      ----------        ---------------       ----------------      ---------------      ----------------
<S>                             <C>                 <C>                    <C>                  <C>                <C>
    1      Greater than or
           equal to
           6.25:1:00              0.50%              2.25%                  3.25%                 2.75%               3.75%

    2      Greater than or
           equal to
           5.0:1.00 but
           less than
           6.25:1:00              0.50%              1.75%                  2.75%                 2.25%               3.25%

    3      Greater than or
           equal to 4.50:1
           but less than
           5.0:1.00               0.50%              1.50%                  2.50%                 2.00%               3.00%

    4      Greater than or
           equal to 4.25:1
           but less than
           4.50:1                 0.50%              1.25%                  2.25%                 1.75%               2.75%
</TABLE>

                                      -4-
<PAGE>   5

<TABLE>
<CAPTION>
                               APPLICABLE       A TERM LOANS AND       A TERM LOANS AND
                               COMMITMENT        REVOLVING LOANS        REVOLVING LOANS       B TERM LOANS          B TERM LOANS
                               COMMISSION         MAINTAINED AS          MAINTAINED AS        MAINTAINED AS        MAINTAINED AS
 LEVEL     LEVERAGE RATIO      PERCENTAGE        BASE RATE LOANS       EURODOLLAR LOANS      BASE RATE LOANS      EURODOLLAR LOANS
           --------------      ----------        ---------------       ----------------      ---------------      ----------------
<S>                             <C>                 <C>                    <C>                  <C>                <C>
    5      Greater than or
           equal to 3.75:l
           but less than
           4.25:1                 0.375%             1.00%                  2.00%                 1.50%               2.50%

    6      Greater than or
           equal to 3.25:1
           but less than
           3.75:1                 0.375%             0.75%                  1.75%                 1.25%               2.25%

    7      Greater than or
           equal to 2.75:1
           but less than
           3.25:1                 0.30%              0.50%                  1.50%                 1.00%               2.00%

    8      Less than 2.75:1       0.25%              0.125%                 1.125%                0.75%               1.75%
</TABLE>

               O.   Section 11 of the Credit Agreement is further amended by (x)
adding the phrase "each Senior Note Document," after the phrase "each Note," in
the definition of Credit Document and (y) adding the following sentence after
the end of definition of "Credit Party":

               "The term Credit Party shall include Beacon during the period
          commencing on the Fourth Amendment Effective Date and ending on the
          date the Borrower receives at least $15 million in net cash proceeds
          from the issuance of the Senior Notes and applies the same to the
          repayment of the Revolving Loans."

               P.   Section 11 of the Credit Agreement is hereby further amended
by inserting the following new definitions in the appropriate alphabetical
order:

               "Fourth Amendment" shall mean the Fourth Amendment to this
          Agreement dated as of October 18, 2000.

               "Fourth Amendment Effective Date" shall mean the Amendment
          Effective Date under and as defined in the Fourth Amendment.

               "Revolving Loan Outstandings" shall mean, at any time, the sum of
          (I) the aggregate principal amount of all outstanding Revolving Loans
          at such time plus (II) the aggregate principal amount of all
          outstanding Swingline Loans at such time plus (III) the aggregate
          amount of all Letter of Credit Outstandings at such time plus (IV) the
          Foreign Loan Amount at such time."

               "Revolving Loan Outstandings Cap" shall mean (i) at any time
          prior to the date the Borrower receives at least $15 million in net
          cash proceeds from the issuance of the Senior Notes and applies the
          same to the repayment of the Revolving Loan, $27.5 million and (ii) at
          any time thereafter the amount set forth opposite the relevant period
          below (provided that no such increase shall become effective if on the
          first day of the relevant

                                      -5-
<PAGE>   6

          period the full amount of the Scheduled Repayments due on such date
          have not been made by the Borrower (or will be made with the proceeds
          of Revolving Loans incurred on such date (including Revolving Loans
          incurred under the increased portion of the Revolving Loan Outstanding
          Cap)):

<TABLE>
<CAPTION>
                      Period                                      Amount
                      ------                                      ------
             <S>                                        <C>
             Prior to December 31, 2000                 $25,200,000

             On and after December 31, 2000             $27,000,000
             and prior to March 31, 2001
             (or if such date is not a Business
             Day, the immediately succeeding
             Business Day)

             On and after March 31, 2001                $29.0 million
</TABLE>

                  "Senior Note Commitment Documents" shall mea (i) n the
         Commitment Letter dated on or prior to the Fourth Amendment Effective
         Date executed by Beacon with respect to the issuance of the Senior
         Notes and (ii) the Agreement dated on or prior to the Fourth Amendment
         Effective Date among Beacon, the Borrower, the Administrative Agent and
         the Collateral Agent, as each such agreement may be amended, modified
         or supplemented from time to time in accordance with the terms thereof
         and hereof.

                  "Senior Notes" shall mean the senior zero coupon notes due
         July 1, 2006 issued by the Borrower, the aggregate face amount of which
         shall not exceed $19,500,000. It is understood and agreed that the
         Senior Notes shall (i) be unsecured, (ii) not mature prior to July 1,
         2006 or require any mandatory repayments or redemptions thereof prior
         to July 1, 2006, (iii) not require the payment of cash interest in
         respect thereof prior to July 1, 2006, and (iv) be otherwise
         satisfactory in form and substance to the Required Banks.

                  "Senior Note Documents" shall mean the Senior Note Commitment
         Documents, the Senior Notes and the other agreements and documentation
         entered into in connection with the issuance of the Senior Notes, as
         amended from time to time in accordance with the requirements thereof
         and of this Agreement.

                    II.       AMENDMENT FEE

                    A.        The Borrower hereby covenants and agrees that, it
shall pay each Bank which executes and delivers to the Administrative Agent a
counterpart hereof by 5:00 P.M. (New York time) on Friday, October 20, 2000, a
cash fee in an amount equal to 37.5 basis points (0.375%) of an amount equal to
the sum of the outstanding Term Loans of such Bank and the Revolving Loan
Commitment of such consenting Bank, in each case as in effect on the Amendment
Effective Date (as hereinafter defined). All fees pursuant to this clause A are
due and payable on the Amendment Effective Date and shall be paid by the
Borrower to the Administrative Agent for distribution to the Banks.

                                      -6-
<PAGE>   7

          III.      MISCELLANEOUS PROVISIONS

                    A.        In order to induce the Banks to enter into this
Amendment, the Borrower hereby represents and warrants that:

                              1.        no Default or Event of Default exists as
          of the Amendment Effective Date, after giving effect to this Amendment
          other than, prior to the Amendment Effective Date only, Identified
          Defaults; and

                              2.        all of the representations and
          warranties contained in the Credit Agreement as amended hereby and the
          other Credit Documents are true and correct in all material respects
          as of the Amendment Effective Date, after giving effect to this
          Amendment, with the same effect as though such representations and
          warranties had been made on and as of the Amendment Effective Date (it
          being understood that any representation or warranty made as of a
          specific date shall be true and correct in all material respects as of
          such specific date).

                    B.        For purposes of the Credit Documents to which the
Guarantors are party, by their respective signatures below, each Guarantor
hereby consents and agrees to the entering into of this Amendment and
acknowledges and affirms that each of the Guaranties and Security Documents (as
amended, modified or supplemented prior to the date hereof) remains in full
force and effect in accordance with its terms on the date hereof and after
giving effect to this Amendment. Each Guarantor and the Borrower hereby
acknowledges and affirms that each of the Security Documents (as amended,
modified or supplemented prior to the date hereof) remains in full force and
effect in accordance with its terms on the date hereof.

                    C.        This Amendment is limited as specified and shall
not constitute a modification, acceptance or waiver of any other provision of
the Credit Agreement or any other Credit Document.

                    D.        This Amendment may be executed in any number of
counterparts and by the different parties hereto on separate counterparts, each
of which counterparts when executed and delivered shall be an original, but all
of which shall together constitute one and the same instrument. A complete set
of counterparts shall be lodged with the Borrower and the Administrative Agent.

                    E.        THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF
THE PARTIES HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE
LAWS OF THE STATE OF NEW YORK.

                    F.        This Amendment shall become effective on the date
(the "Amendment Effective Date") when (i) the Borrower, each of the Guarantors,
the Administrative Agent and the Required Banks shall have signed a counterpart
hereof (whatever the same or different counterparts) and shall have delivered
(including by way of facsimile transmission) the same to the Administrative
Agent at its Notice Office, (ii) the Borrower and Beacon shall have executed and
delivered each of the Senior Note Commitment Documents to which it is party each
of which shall be in full force and effect, (iii) the Administrative Agent shall
have received from counsel to the Borrower and counsel to Beacon, legal
opinions, which legal opinions shall be dated the

                                      -7-
<PAGE>   8

Amendment Effective Date, shall be addressed to the Administrative Agent and
each Bank and shall be satisfactory in form and substance to the Administrative
Agent, (iv) the Administrative Agent shall have received such other documents
and certificates as it shall have reasonably requested and (v) the Amendment
Fees set forth in Section II shall have been paid.

                    H.        From and after the Amendment Effective Date, all
references in the Credit Agreement and each of the other Credit Documents to the
Credit Agreement shall be deemed to be references to the Credit Agreement as
modified hereby.

                                      * * *

                                      -8-
<PAGE>   9

                  IN WITNESS WHEREOF, the parties hereto have caused their duly
authorized officers to execute and deliver this Amendment as of the date first
above written.

                                  GENERAC PORTABLE PRODUCTS, LLC

                                  By  /s/ Gary J. Lato
                                    -------------------------------------------
                                      Name:    Gary J. Lato
                                      Title:   Chief Financial Officer

                                  GENERAC PORTABLE PRODUCTS, INC

                                  By: /s/ Gary J. Lato
                                     -------------------------------------------
                                      Name:    Gary J. Lato
                                      Title:   Vice President

                                  GPPW, INC.

                                  By: /s/ Faith Rosenfeld
                                     ------------------------------------------
                                      Name:    Faith Rosenfeld
                                      Title:   President

                                  BANKERS TRUST COMPANY, Individually and as
                                      Administrative Agent

                                  By: /s/ Pam Divino
                                     ------------------------------------------
                                      Name:    Pam Divino
                                      Title:   Vice President

<PAGE>   10

                                  BANK OF AMERICA NATIONAL TRUST
                                  AND SAVINGS ASSOCIATION

                                  By:  /s/ David H. Strickert
                                      -----------------------------------------
                                      Name:    David H. Strickert
                                      Title:   Principal

<PAGE>   11

                                  LASALLE BANK NATIONAL ASSOCIATION

                                  By: /s/ Paul M. Casey
                                      -----------------------------------------
                                        Name:  Paul M. Casey
                                       Title:  Vice President

<PAGE>   12

                                  UNION BANK OF CALIFORNIA, N.A.

                                  By:
                                      -----------------------------------------
                                      Name:
                                      Title:

<PAGE>   13

                                  BANK ONE, N. A.

                                  By:  /s/ Joshua Niedner
                                      -----------------------------------------
                                      Name:    Joshua Niedner
                                      Title:   Commercial Banking Officer

<PAGE>   14

                                  THE FUJI BANK, LIMITED

                                  By:
                                     ------------------------------------------
                                      Name:
                                      Title:

<PAGE>   15

                                  MOUNTAIN CAPITAL CLO 1, LTD.

                                  By: /s/ Darren P. Riley
                                     ------------------------------------------
                                      Name:    Darren P. Riley
                                      Title:   Director

<PAGE>   16

                                  FLEET BUSINESS CREDIT CORPORATION

                                  By: /s/ Carmen Caporrino
                                     ------------------------------------------
                                      Name:    Carmen Caporrino
                                      Title:   Vice President

<PAGE>   17

                                  HARCH CLO I LIMITED

                                  By: /s/ Michael E. Lewitt
                                     ------------------------------------------
                                      Name:    Michael E. Lewitt
                                      Title:   Authorized Signatory<PAGE>   1
                                                                   EXHIBIT 10.14
                                      LEASE

(1)  THIS LEASE made this 23rd day of October , 2000, by and between:

           INTERNATIONAL-WIXOM, LLC a Michigan limited liability company
           23179 Telegraph Road Southfield, MI 48034

     the Lessor, hereinafter designated as Landlord, and:

           ROCKWELL MEDICAL TECHNOLOGIES, INC.
           a Michigan corporation
           28025 Oakland Oak Court
           Wixom, MI  48393

     the Lessee, hereinafter designated as Tenant.

(2)  DESCRIPTION/TERM/COMMENCEMENT.

     (A)  PREMISES. Landlord, in consideration of the Rent to be paid and the
          covenants and agreements to be performed by Tenant, leases to Tenant
          the following described premises situated in the City of Wixom, County
          of Oakland, State of Michigan: a free standing building consisting of
          approximately Fifty Thousand Eight Hundred Fifty Eight (50,858) square
          feet commonly known as 30142 Wixom Road, Wixom, Michigan 48393 (the
          "Building"), which, together with the contiguous parking and
          landscaping areas used by and servicing the Building, are hereinafter
          referred to as the "Premises". The Premises are part of a larger
          complex which contains a total of five (5) industrial buildings,
          either constructed or to be constructed as shown on the site plan
          attached hereto as Exhibit A (the "Property"). The Property contains
          parking and common areas which are or will be shared by and used by
          all of the buildings which are located or will be located on the
          Property.

     (B)  TERM. The Lease term shall begin on the Commencement Date and shall
          run for Eighty Four (84) full calendar months thereafter, unless
          sooner terminated as provided herein (the "Term"). In the event that
          the Commencement Date is other than the first day of a month, then the
          Term shall be extended by the number of days remaining in the first
          month after the Commencement Date, and the Rent shall be
          correspondingly increased as provided in Paragraph 3 below.

     (C)  COMMENCEMENT. The Term shall commence on the earliest of the following
          (the "Commencement Date"):

          (i)  May 1, 2001; or

          (ii) Occupancy of the Premises by Tenant in whole or in part.

          Provided, however, in the event that Tenant shall be unable to occupy
          the Premises due solely to the inability of Landlord to complete
          Landlord's work so as to ready the Premises for Tenant's occupancy and
          provided further that Tenant shall not have contributed to or caused
          in whole, or in part, the delay, then in that event, the Commencement
          Date shall be delayed until the date on which the City of Wixom issues
          either a conditional or final Certificate of Occupancy.

                                                                          Page 1
<PAGE>   2

(3)  RENT. Tenant agrees to pay to Landlord as rental for the Premises (the
     "Rent") during the Term, the sum of Two Million Six Hundred Seventy
     Thousand Forty Five ($2,670,045.00) Dollars payable in monthly installments
     in advance, on the first day of each month as follows:

          Thirty One Thousand Seven Hundred Eighty Six and 25/100 ($31,786.25)
          Dollars upon execution of this Lease, receipt of which is hereby
          acknowledged representing payment of Rent for May, 2001, and a like
          sum on the first day of each consecutive month thereafter during the
          Term of this Lease until a total of Eighty Four (84) consecutive
          monthly Rent payments of Thirty One Thousand Seven Hundred Eighty Six
          and 25/100 ($31,786.25) Dollars have been made.

     The Rent shall commence on the Commencement Date. If the Commencement Date
     is other than the first day of a month, the Rent and other payments due to
     Landlord shall be adjusted to reflect the addition of the days in the month
     of commencement, and in such case, the Rent due for the month of
     commencement shall be prorated based upon the number of days remaining in
     said month.

(4)  RENT/ADDITIONAL RENT. The purpose and intent of this Lease is that the Rent
     shall be an absolute net return to Landlord and shall continue unreduced
     and unabated throughout the entire Term. Tenant shall pay to and reimburse
     Landlord as additional rent Real Estate Taxes and expenses and charges of
     every kind and nature incurred in connection with the maintenance, upkeep
     and preservation of the Building and Tenant's pro rata share ("Pro Rate
     Share") of all Real Estate Taxes, insurance and other expenses and charges
     of every kind and nature incurred in connection with the maintenance,
     upkeep and preservation of the Property during the Term as follows:

     (A)  REAL ESTATE TAXES. Tenant shall pay to and reimburse Landlord for: (i)
          all of the Real Estate Taxes which are levied against the Building
          during the Term, and (ii) Tenant's Pro Rata Share of all Real Estate
          Taxes which are levied against the land valuation portion of the
          Property during the Term.

          "Real Estate Taxes" as used herein shall mean all property taxes and
          assessments levied or imposed upon the Building and/or Property. For
          determining the valuation of the land portion of the Property (as
          opposed to the valuation of buildings constructed thereon), Landlord
          and Tenant will utilize the records and calculations of the Township
          Assessor as the same may be adjusted from time to time. If, due to a
          change in the method of taxation or the elimination of any Real Estate
          Tax now or previously in effect, any franchise or other tax shall be
          levied against Landlord in substitution for or in lieu of any tax
          which would otherwise constitute a Real Estate Tax, such franchise or
          other tax shall be deemed to be Real Estate Taxes for purposes hereof.

     (B)  INSURANCE/UPKEEP/MAINTENANCE/REPAIRS. Tenant shall pay to and
          reimburse Landlord for: (i) Landlord's premiums for the insurance
          which Landlord maintains on the Building including Landlord's fire and
          extended casualty coverage, liability coverages and loss of rental
          income insurance, and (ii) any expenses which Landlord incurs for the
          maintenance, repair, upkeep, and preservation of the Building, and
          (iii) Tenant's Pro Rata Share of the maintenance, repair, upkeep, and
          preservation expenses attributable to the land portion of the
          Property. Landlord's maintenance expenses shall include, but not be
          limited to, any expense which Landlord incurs pursuant to Paragraph 15
          of this Lease and in contracting with independent contractors for
          services attributable to the maintenance, repair, upkeep and
          preservation of the Building or Property including but not limited to
          snow removal, maintenance, repairs, upkeep, parking lot maintenance
          and upkeep (including striping, seal coating, etc.), repair,

                                                                          Page 2
<PAGE>   3

          preservation and replacement of landscaping, parking areas, driveways
          and other Building common areas, as well as the lighting, sprinkling
          systems, water and other utilities associated therewith. If Landlord,
          pursuant to the terms of this Lease, contracts for or undertakes to
          perform any maintenance, repair or upkeep, such undertaking shall not
          relieve Tenant of its obligations and responsibilities set forth in
          this Lease.

          Anything contained in this Paragraph 4(b) to the contrary
          notwithstanding, Tenant shall not be required to reimburse Landlord
          for Landlord's insurance premiums which are attributable to the
          primary personal liability insurance coverage in the amount which
          Tenant is required to obtain and carry pursuant to Paragraph 14. It is
          the intent of this provision to make certain that Tenant is not
          required to pay for duplicating the cost of personal liability
          insurance to the extent that Tenant is required to carry the same
          under Paragraph 14.

     (C)  ESTIMATED MONTHLY PAYMENT. Tenant shall pay to Landlord on a monthly
          basis, in addition to Rent, an amount equal to one-twelfth (1/12th) of
          Tenant's anticipated annual liability for reimbursement to Landlord
          for Real Estate Taxes/insurance/upkeep/maintenance/repairs (set forth
          in subparagraphs (a) and (b) above). For computation purposes, Tenant
          shall pay $4,166.00 month as Tenant's anticipated expense for said
          reimbursements for the first year (ending December 31st). If the
          amount of Tenant's actual liability for any calendar year exceeds the
          amount which Tenant has paid for such year, Tenant shall pay Landlord
          an amount equal to the deficiency within thirty (30) days after
          receipt of a bill from Landlord. The amount of Tenant's monthly
          payment may be adjusted from time to time by Landlord to reasonably
          reflect Tenant's monthly anticipated liability under subparagraphs (a)
          and (b) above. Landlord shall give Tenant thirty (30) days written
          notice of any such adjustment. Tenant's payments shall be treated as
          Rent for the purposes of this Lease.

     As used herein, the term "Tenant's Pro Rata Share" shall mean thirty nine
     (39%) percent. Pro Rata Share has been derived pursuant to Exhibit A
     attached hereto. In the event that when all the buildings shown on Exhibit
     A have been constructed, the buildings contain either a greater or lesser
     amount of square feet than shown on Exhibit A, Landlord and Tenant agree to
     prepare an addendum modifying this Lease, increasing or decreasing the Pro
     Rata Share, so that Tenant's Pro Rata Share will be the ratio the square
     footage contained in the Building bears to the total square footage of all
     buildings constructed on the Property.

(5)  INSURANCE/HAZARD. In addition to the Rent hereinbefore specified, Tenant
     agrees to pay as additional Rent any increase on premiums for insurance
     against loss by fire that may be charged during the Term on the amount of
     insurance carried by the Landlord resulting from the business carried on in
     the Premises by the Tenant or the character of Tenant's occupancy, whether
     or not Landlord has consented to the same.

(6)  LANDLORD PAYMENT. If Tenant shall default in any payment or expenditure
     other than Rent required to be paid or expended by Tenant under the terms
     hereof, Landlord may at its option, make such payment or expenditure, in
     which event the amount thereof shall be payable as Rent to Landlord by
     Tenant on the next ensuing Rent day together with interest at 15% per annum
     from the date of such payment or expenditure by Landlord and on default in
     such payment Landlord shall have the same remedies as on default in payment
     of Rent. Landlord and Tenant acknowledge that the charge set forth herein
     is a reasonable estimate of the expense and inconvenience which Landlord
     will be put to if payments are not made on time, and acknowledge that the
     actual damages which Landlord will or may suffer in such case are difficult
     or impossible to ascertain and measure.

(7)  PLACE OF PAYMENT. All payments of Rent or other sums to be made to Landlord
     shall be made at such a place as Landlord shall designate in writing from
     time to time.

                                                                          Page 3
<PAGE>   4

(8)  ASSIGNMENT. Tenant covenants not to assign or transfer this Lease or
     hypothecate or mortgage the same or sublet said Premises or any part
     thereof without the written consent of Landlord. Any assignment, transfer,
     hypothecation, mortgage, or subletting without said written consent shall
     give Landlord the right to terminate its Lease and to reenter and repossess
     the Premises.

(9)  BANKRUPTCY AND INSOLVENCY. Tenant agrees that if the estate created hereby
     shall be taken in execution, or by other process of law, or if Tenant shall
     be declared bankrupt or insolvent, according to law, or any receiver be
     appointed for the business and property of Tenant, or if any assignment
     shall be made of Tenant's property for the benefit of creditors, then and
     in such event this Lease may be canceled at the option of Landlord.

(10) RIGHT TO MORTGAGE. Tenant shall at any time upon not less than seven (7)
     days prior written notice from Landlord, execute, acknowledge and deliver
     to landlord a statement in writing (i) certifying that this Lease is
     unmodified and in full force and effect (or, if modified, stating the
     nature of such modification, and certifying that this Lease, as so
     modified, is in full force and effect) and the date to which the Rent and
     other charges are paid in advance, if any; (ii) acknowledging that there
     are not, to Tenant's knowledge, any uncured defaults on the part of
     Landlord hereunder, or specifying such defaults if any are claimed; and
     (iii) any additional information, statements or certifications that may be
     reasonably required by any actual or prospective purchaser or mortgagee of
     the Building.

     This Lease, at Landlord's option, shall be subordinate to any mortgage, now
     or hereafter placed upon the Property of which the Premises are a part and
     to any and all advances made on the security thereof and to all renewals,
     modifications, consolidations, replacements and extensions thereof.
     Notwithstanding such subordination, Tenant's right to quiet possession of
     the Premises shall not be disturbed if Tenant is not in default and so long
     as Tenant shall pay the Rent and observe and perform all of the provisions
     of this Lease, unless this Lease is otherwise terminated pursuant to its
     terms. If any mortgagee shall elect to have this Lease prior to the lien of
     its mortgage, and shall give written notice thereof to Tenant, this Lease
     shall be deemed prior to such mortgage, whether this Lease is dated prior
     or subsequent to the date of said mortgage.

(11) USE AND OCCUPANCY. It is understood and agreed between the parties hereto
     that the Premises during the continuance of this Lease shall be used and
     occupied for any lawful use and for no other purpose or purposes. Tenant
     will not use the Premises for any purpose in violation of any law,
     municipal ordinance, or regulation, and that on any breach of this
     agreement Landlord may, at its option, terminate this Lease forthwith and
     reenter and repossess the Premises.

(12) FIRE. It is understood and agreed that if the Premises hereby leased be
     damaged or destroyed in whole or in part by fire or other casualty during
     the Term, Landlord will, upon collection, use its insurance proceeds for
     the repair and restoration of the Premises to good and tenantable condition
     with reasonable dispatch, and that the Rent herein provided for shall abate
     entirely in case the entire premises are untenantable and pro rata for the
     portion rendered untenantable, in case a part only is untenantable, until
     the same shall be restored to a tenantable condition; provided, however,
     that if Tenant shall fail to adjust its own insurance or to remove its
     damaged goods, wares, equipment or property within a reasonable time, and
     as a result thereof the repairing and restoration is delayed, there shall
     be no abatement of Rent during the period of such delay, and provided
     further there shall be no abatement of Rent if such fire or other cause
     damaging or destroying the Premises shall result from the negligence or
     willful act of Tenant, its agents or employees, and provided further that
     if Tenant shall use any part of the Premises for storage during the period
     of repair a reasonable charge shall be made therefor against Tenant, and
     provided further that in case the Premises, or the Building shall be
     destroyed to the extent of more than one-half (1/2) of the value thereof,
     Landlord

                                                                          Page 4
<PAGE>   5

     may, at its option, terminate this Lease forthwith by a written notice to
     Tenant. Landlord's duty to restore shall at all times be conditioned upon
     collection of insurance proceeds.

(13) GLASS. Tenant agrees to keep any glass, including glass windows which are
     part of the Premises insured with a responsible insurance company in the
     name of Landlord and to deliver the policy or policies to Landlord and upon
     its failure to do so, Landlord may place such insurance and charge the same
     to Tenant as additional Rent as provided in Paragraph 6; but the failure on
     the part of Landlord to place such insurance does not release Tenant for
     any liability.

(14) INSURANCE/INDEMNIFICATION. Tenant, at its sole cost and expense, will
     procure and keep in effect during the Term personal liability and property
     damage insurance on an occurrence basis (and not on a "claims made" basis)
     for the benefit of Landlord in the sum of One Million and no/100
     ($1,000,000.00) Dollars for damages resulting to one person and One Million
     and no/100 ($1,000,000.00) Dollars for damages resulting from one casualty,
     and Two Million and no/100 ($2,000,000.00) Dollars property damage
     insurance resulting from any one occurrence. The policies shall be written
     by insurance companies or carriers licensed to do business in the State of
     Michigan which are reasonably acceptable to Landlord. Tenant shall deliver
     said policies to Landlord and upon Tenant's failure to do so Landlord may
     at its option obtain such insurance and charge the same to Tenant as
     additional Rent as provided in Paragraph 6; but the failure on the part of
     Landlord to place such insurance does not release Tenant for any liability.

     Tenant agrees, at its sole cost and expense, during the entire Term, to
     procure, pay, and keep in full force and effect business interruption
     insurance and all risk property insurance, insuring against loss of income
     and Tenant's personal property (and the property of its customers, if
     applicable) located on or in the Premises. Tenant hereby releases and
     discharges Landlord and its members, officers, shareholders, partners,
     agents, employees, and representatives from any liability whatsoever
     arising from the interruption of Tenant's business or loss, damage, or
     injury to Tenant's property or to the property of others in or on the
     Premises, Building, or Property from any cause whatsoever, including fire
     or other casualty.

     Tenant agrees to indemnify and hold harmless Landlord from and against any
     and all claims, actions, damages, liabilities, costs and expenses in
     connection with all losses, including loss of life, personal injury and/or
     property damage from any cause whatsoever arising or occurring on or about
     the Property, Building or Premises arising out of or attributable to
     Tenant's use of the Property, Building or Premises.

     Landlord and Tenant hereby release and discharge each other and any
     officer, directors, shareholder, partner, member, or employee of each other
     of and from any liability whatsoever arising from loss, damage, or injury
     to property caused by fire or other casualty (irrespective of the cause of
     such fire or casualty and irrespective of whether or not insurance coverage
     is in effect) upon the expressed proviso that if at any time their
     respective insurers shall refuse to permit waivers of subrogation, Landlord
     or Tenant may in each instance revoke this waiver of subrogation effective
     thirty (30) days from the date of notice to the other, unless within such
     thirty (30) days period, the other is able to secure and furnish without
     additional expense insurance in other companies with such waiver of
     subrogation, or if such waiver can be obtained at additional expense, if
     the other agrees to pay such additional expense. The foregoing release
     shall not be deemed to impair Landlord's rights under Paragraph 39 below.

(15) REPAIRS/ALTERATIONS. Landlord, after receiving written notice from Tenant
     or independently discovering a condition on its own, and having reasonable
     opportunity thereafter to obtain the necessary workmen therefor, agrees to
     provide for the repair of the roof and the four outer walls of the Building
     but not the doors, door frames, the window glass, window casings, window
     frames, windows or any of the appliances or appurtenances of said doors or
     window casings, window frames

                                                                          Page 5
<PAGE>   6

     and windows, or any attachment thereto or attachments to Premises used in
     connection therewith. Landlord's expenses hereunder shall be part of
     Landlord's maintenance expenses under Paragraph 4(b) hereof.

     Except as provided in the paragraph above, Tenant covenants and agrees that
     Tenant will, at Tenant's own expense, during the continuation of this
     Lease, properly maintain and keep Premises and every part and component
     thereof including the doors, windows, fixtures, gutters, downspouts, HVAC
     system (heating and cooling), plumbing (including pipes), electric, other
     utility systems and all other appliances, appurtenances and equipment
     belonging or used in connection therewith in good repair and at the
     expiration of the Term yield and deliver up the same in like condition as
     when taken. All repairs and replacements shall be made in a quality manner
     and in a class at least equal to the original work. As part of Tenant's
     obligations hereunder, Tenant agrees to obtain a maintenance contract on
     the HVAC system with a qualified, reputable, competent firm which provides
     for maintenance and servicing of the HVAC system at least quarterly, such
     maintenance to include changing of filters and/or fuses and servicing of
     components of said system which are normally and customarily serviced. In
     the event that Tenant, after receiving notice from Landlord that a repair
     to the Premises is necessary to keep the same in good repair and condition,
     and fails to do so within a reasonable time, Landlord may at its option
     enter the Premises and make said repair and charge the same to Tenant as
     Additional Rent as provided in paragraph 6; but the failure on the part of
     Landlord to make said repair shall not release Tenant from any liability.

     Tenant shall not make any alterations, additions, or improvements to said
     Premises without the Landlord's written consent, and all alterations,
     additions, or improvements made by either of the parties thereto upon the
     Premises, except movable office furniture and trade fixtures put in at the
     expense of the Tenant, shall be the property of Landlord and shall remain
     upon and be surrendered with the premises at the termination of this Lease,
     without molestation or injury. Provided, however, Landlord may, at any
     time, designate by written notice to Tenant those alterations, additions,
     or improvements to the Premises which, upon termination of the Lease,
     Tenant must remove. Tenant shall promptly remove, when requested, the
     alteration, additions, and improvements and repair any damage to the
     Premises caused by such removal or caused by the removal of Tenant's
     movable office furniture and trade fixtures.

     Tenant will, during the Term of this Lease, replace all light bulbs and
     fixtures located in the Building and keep the same in good working
     condition throughout the Term of this Lease.

     Upon vacating, Tenant will broom clean the shop area and clean the
     carpeting located in the Building.

(16) EMINENT DOMAIN. If the whole or any substantial part of the Premises are
     taken under the power of eminent domain, then the Term shall cease on the
     part so taken and the Rent shall be paid up to the date of such taking, and
     from that day the Tenant shall have the right to either cancel this Lease
     and declare the same null and void or to continue in possession of the
     remainder of Premises under the terms of this Lease, except that the Rent
     shall be reduced in proportion to the amount of the Premises taken. All
     damages awarded for such taking shall belong to and be the property of
     Landlord, whether such damages shall be awarded as compensation for
     diminution in value to the leasehold or to the fee of the Premises
     provided, however, that Landlord shall not be entitled to any portion of
     the award made to Tenant for loss of business.

(17) RESERVATIONS. Landlord shall have free access at all times to the roof of
     the Premises. Tenant shall not erect any structures for storage or any
     aerial, or use the roof for any purpose without the written consent of
     Landlord. If the Premises consist of only part of a Building owned or
     controlled by Landlord, Landlord may enter the Premises at any reasonable
     time and install or repair pipes, wires,

                                                                          Page 6
<PAGE>   7

     and other Building systems and components or make any repairs deemed by
     Landlord essential for the use and occupancy of the other parts or portions
     of the Building. Tenant agrees that Landlord may enter the Premises at
     reasonable times and install or repair pipes, wires, and other appliances
     or make any repairs deemed by Landlord essential to the use and occupancy
     of the other parts of the Building.

(18) CARE OF PREMISES. Tenant shall not perform any acts or carry on any
     practices which may injure the Property or Building or be a nuisance or
     menace to the tenants in adjoining buildings and shall keep the Building
     and Property (including adjoining drives, streets, sidewalks, alleys, or
     yard) clean and free from rubbish and dirt at all times. In addition,
     Tenant shall use reasonable care to keep the Premises free from snow and
     ice at such times as they accumulate prior to Landlord's normal and
     customary snow and ice removal service. In the event Tenant shall not
     comply with these provisions, Landlord may enter upon the Premises and have
     rubbish and dirt removed and the Building cleaned, in which event Tenant
     agrees to pay all charges that Landlord shall pay including the cost of
     administration as provided in Paragraph 6.

(19) LEGAL COMPLIANCES. Tenant shall at its own expense under penalty of
     forfeiture and damages promptly comply with all lawful laws, orders,
     regulations or ordinances of all municipal, County and State authorities
     affecting the Premises and the cleanliness, safety, occupation and use of
     same.

(20) CONDITION OF PREMISES/IMPROVEMENTS AT TIME OF LEASE. Tenant acknowledges
     that Tenant has examined the Premises prior to the execution of this Lease
     and knows the condition thereof, and that no representations as to the
     condition or state of repairs thereof have been made by Landlord or its
     agents which are not herein expressed. Tenant hereby accepts the Premises
     in their present condition.

     Landlord shall complete any improvements subject to architectural and
     engineering plans attached hereto required to be made by Landlord pursuant
     to the terms of this Lease with reasonable diligence unless prevented
     therefrom by labor disputes, fire, usual delay in transportation,
     unavoidable casualty or other cause beyond Landlord's control. When
     Landlord has completed any improvements Landlord is required to make and
     the Premises are delivered to Tenant, if Tenant shall take occupancy of the
     Premises, then Tenant shall be deemed to have accepted the improvements in
     the condition delivered by Landlord without further representations or
     warranties from Landlord.

(21) TENANT'S LOSSES. Landlord shall not be responsible or liable to Tenant for
     any loss or damage to Tenant's property or business from any cause
     whatsoever including, but not limited to, loss or damage that may be
     occasioned by or through the acts or omissions of persons occupying
     adjoining premises or any other portion of the Building, or for any loss or
     damage resulting to Tenant or its property from interruption of electric
     service or bursting, stoppage or leaking of water, gas, sewer or steam
     pipes, or any other cause whatsoever.

(22) RE-RENTING. Tenant hereby agrees that for a period commencing ninety (90)
     days prior to the termination of this Lease, Landlord may show the Premises
     to prospective tenants, and display in and about the Premises "TO RENT"
     signs.

(23) HOLDING OVER. If Tenant remains in possession of the Premises after the
     termination of this Lease and without execution of a new Lease or other
     written agreement signed by Landlord, Tenant shall be deemed to be
     occupying the Premises as a tenant from month-to-month and shall be subject
     to the provisions of this Lease in effect on the day before the expiration
     of this Lease, except those terms relating to the Term and except that the
     monthly Rent shall be increased by One Hundred Fifty (150%) percent of the
     monthly Rent payable during the last month prior to the

                                                                          Page 7
<PAGE>   8

     termination of this Lease, without prejudice to any claim or damages which
     Landlord may have against Tenant for the failure of Tenant to vacate the
     Premises upon the termination of this Lease.

     If Tenant holds over, Tenant shall be required to give Landlord written
     notice of its intention to vacate the Premises no less than two (2) months
     prior to the first day of the month in which Tenant intends to vacate and
     Tenant shall vacate by the end of that month and shall be liable to
     Landlord for the Rent payment (as well as the additional payments/rent
     required to be made pursuant to paragraph 4 of this Lease for said month.

(24) GAS, WATER, HEAT, ELECTRICITY. Tenant will pay all charges made against the
     Premises for gas, water, heat, and electricity during the continuance of
     this Lease, as the same shall become due.

(25) SIGNS. No sign or awning shall be installed or displayed by Tenant on or
     about the Premises except as shall be approved in writing by Landlord and
     in accordance with all City building codes, including the obtaining to the
     extent necessary and required City approval, permits or licenses.

(26) ACCESS TO PREMISES. Landlord shall have the right to enter upon the
     Premises at all reasonable hours for the purpose of inspecting the same. If
     Landlord deems any repairs necessary Landlord may demand that Tenant make
     the same and if Tenant refuses or neglects forthwith to commence such
     repairs and complete the same with reasonable dispatch Landlord may make or
     cause to be made such repairs. Landlord shall not be responsible to Tenant
     for any loss or damage that may occur to Tenant's property or business by
     reason of the repairs made or ordered to be made by Landlord. If Landlord
     makes or causes to be made repairs or replacements, Tenant agrees that it
     will forthwith on demand pay to Landlord the cost thereof including
     administration with interest as provided in Paragraph 6 hereof.

(27) DEFAULT/REENTRY. In case any Rent shall be due and unpaid or if default be
     made in any of the covenants herein contained, or if the Premises shall be
     deserted or vacated, then it shall be lawful for Landlord, its agents,
     representatives and assigns to reenter into and repossess the Premises,
     provided that Landlord shall have first given Tenant the notice which
     Landlord is required to give pursuant to subparagraphs (a) or (b) below,
     whichever shall be applicable. In addition to any other remedies that
     Landlord may have under this Lease or pursuant to law, in the event of
     default:

     (A)  In the event Tenant shall fail to pay the Rent or make any of the
          other payments required by Tenant to be made pursuant to paragraph 4
          hereof when due, Landlord may give Tenant written notice of such
          default and if Tenant shall fail to cure such default within seven (7)
          days, Landlord shall, in addition to its other remedies provided by
          law, have the remedies set forth in subparagraph 27(c) hereof.

     (B)  If Tenant shall be in default in performing any of the terms of this
          Lease (other than those specified in Paragraph 27(a) above), Landlord
          may at its option (i) give Tenant written notice of such default, and
          if Tenant shall fail to cure such default within thirty (30) days,
          then Landlord shall, in addition to all other remedies provided by
          law, have the remedies set forth in subparagraph 27(c) hereof, or (ii)
          Landlord may cure such default for the account of Tenant and any sum
          so expended by Landlord shall be paid by Tenant with interest as
          provided in Paragraph 6.

     (C)  If any Rent shall be due and unpaid or Tenant shall be in default upon
          any of the other terms of this Lease, and such default has not been
          cured within the time provided in Paragraph 27(a) or Paragraph 27(b)
          above, whichever shall apply, or if the Premises are wrongfully
          abandoned or vacated, then Landlord, in addition to its other remedies
          provided by law, shall have the immediate right of re-entry. Should
          Landlord elect to re-enter or take possession pursuant to legal
          proceedings or any notice provided by law, Landlord may either
          terminate

                                                                          Page 8
<PAGE>   9

          this Lease or from time to time, without terminating this Lease, relet
          the Premises or any part thereof on such terms and conditions as
          Landlord shall in its sole discretion deem advisable. The proceeds of
          such reletting shall be applied: first, to the payment of any
          indebtedness of Tenant to Landlord other than Rent due hereunder;
          second, to the payment of any costs of such reletting, including the
          cost of alterations and repairs to the Premises, brokerage fees, etc.;
          third, to the payment of Rent due and unpaid hereunder, and the
          residue, if any, shall be held by Landlord and applied in payment of
          future Rent as the same may become due and payable hereunder. Should
          the proceeds of such reletting during any month be less than the
          monthly Rent reserved hereunder, then Tenant shall during each such
          month promptly pay any such deficiency to Landlord. Landlord reserves
          the right to bring any action or legal proceeding for the recovery of
          any deficiency remaining unpaid from time to time, without being
          obligated to wait until the end of the Term hereof.

(28) EXPENSES, DAMAGES, RE-ENTRY. In the event that Landlord shall, during the
     Term, obtain possession of the Premises by re-entry, summary proceedings,
     or otherwise, Tenant hereby agrees to pay Landlord the expense incurred in
     obtaining possession of the Premises and also all expenses and commissions
     which maybe paid in and about the letting of the same, and all other
     damages.

(29) REMEDIES NOT EXCLUSIVE. It is agreed that each and every of the rights and
     benefits provided by this Lease shall be cumulative, and shall not be
     exclusive of any other of said rights, remedies and benefits, or of any
     other rights, remedies and benefits allowed by law or in equity.

(30) QUIET ENJOYMENT. Landlord covenants that Tenant, on payment of all the
     aforesaid installments and performing all the covenants aforesaid, shall
     and may peacefully and quietly have, hold and enjoy the Premises for the
     Term aforesaid.

(31) WAIVER. One or more waivers of any covenant or condition by Landlord shall
     not be construed as a waiver of a further breach of the same covenant or
     condition.

(32) DELAY OF POSSESSION. It is understood that if Tenant shall be unable to
     enter into and occupy the Premises at the time above provided, by reason of
     the Premises not being ready for occupancy, or by reason of the holding
     over of any previous occupancy of the Premises, or as a result of any cause
     or reason, Landlord shall not be liable in damages to Tenant therefor, but
     during the period Tenant shall be unable to occupy said premises as
     hereinbefore provided, the Rent therefor shall be abated and Landlord is to
     be the sole judge as to when the Premises are ready for occupancy.

(33) NOTICES. Any notice or other communication required or permitted to be
     given under this Lease must be given in writing and sent by certified mail,
     return receipt requested. Notices shall be deemed given when deposited in
     the U.S. mail with proper postage affixed and addressed to Tenant to its
     last known address or to the Premises and if to Landlord, to its last known
     address. Notice need be sent to only one Tenant where Tenant is more than
     one individual.

(34) GENDER. The gender of any word contained in this Lease shall not affect the
     meaning of this Lease, and whenever herein the singular number is used, the
     same shall include the plural, and any gender shall be deemed to include
     the masculine, feminine, or neuter genders.

(35) BINDING. The covenants, conditions and agreements made and entered into by
     the parties hereto are declared binding on their respective heirs,
     successors, representatives and assigns.

(36) LATE FEES. If any installment of Rent is unpaid for ten (10) days after
     Tenant receives written notice that the Rent is due, Tenant shall pay, in
     addition to all other charges, a charge of ten (10%) percent of the amount
     of such overdue installment to compensate Landlord for the cost and expense

                                                                          Page 9
<PAGE>   10

     of said delay. Tenant agrees to pay a Fifty ($50.00) Dollar fee for any
     check returned for non-sufficient funds.

(37) WINDOW TREATMENTS. Tenant shall not install any shades, blinds or other
     window treatments in the Premises without the written consent of Landlord.

(38) RULES AND REGULATIONS. Tenant agrees to keep and use the Premises in a
     manner which shall be in compliance with all applicable laws, rules,
     regulations, orders and ordinances which relate to the Premises or which
     are imposed by reason of law and/or Tenant's use of the Premises, and
     further agrees not to suffer or permit the Premises to be used for any
     unlawful purpose, and to protect, defend and hold Landlord harmless from
     and against any and all liabilities, costs, expenses or damages that may
     result from or be due to or arise out of any infractions of or
     non-compliance with any of said laws, rules, regulations, orders or
     ordinances.

(39) ENVIRONMENTAL LAWS. Tenant, its agents, employees, invitees, contractors,
     sublessees or assignees, shall not do, or cause to be done, any work or
     activity upon or at the Premises which may cause the Premises, or any parts
     thereof, to be in violation of any federal, state or local environmental
     health or safety law, statute, ordinance, rule, regulation, order or
     decree, relating to the environment, or imposing liability or standards
     concerning or in connection with hazardous, dangerous or toxic materials,
     waste or substances, including any common law theories based on nuisance,
     negligence or strict liability (collectively the "Environmental Laws").
     Tenant shall not cause or permit the Premises to be used to generate,
     manufacture, refine, transport, treat, store, handle, dispose, transfer,
     produce or process Hazardous Substances (as hereinafter defined) or any
     other dangerous or toxic substances, or waste materials, except in
     compliance with all applicable Environmental Laws and shall not cause or
     permit the release of any Hazardous Substances upon the Premises or off
     site of the Premises. "Hazardous Substances" shall mean and include,
     without limitation, any flammable substances, explosives, radioactive
     materials, solid and liquid wastes, contaminants, pollutants or toxic
     matter or any substance regulated by any or defined as a hazardous
     substance or hazardous material by any law, statute, ordinance, rule,
     regulation, or order of any federal, state or local government body or
     entity or other governmental body or agency or organization.

     Tenant shall defend and indemnify Landlord from and against any losses,
     claims, damages, penalties, liabilities, costs (including clean-up costs)
     and expenses (including reasonable attorney's fees) resulting from Tenant,
     its agents, employees, invitees, contractors, sublessees or assignees
     breach or violation of this paragraph of this Lease or any Environmental
     Laws. The obligations and liabilities contained in this paragraph shall
     survive and continue in full force and effect and shall not be terminated,
     discharged or released irrespective of the termination or expiration of
     this Lease.

(40) ATTORNEY REVIEW. This Lease has been prepared for submission to your
     attorney for approval. No representation or recommendation is made as to
     the legal sufficiency, legal effect or tax consequences of this Lease or
     the transaction relating thereto; the parties shall rely solely upon the
     advice of their own legal counsel as to the legal and tax consequences of
     this Lease.

(41) LANDLORD'S IMPROVEMENTS. Landlord shall make the following improvements to
     the Premises at Landlord's expense in accordance with the architectural and
     engineering plans attached hereto as Exhibit B (which are incorporated
     herein and made a part of this Lease), using Landlord's Standard finishes.
     (All dimensions are plus or minus and are to be adjusted in the field.):

     (a)  Parking - Parking areas will be completed with painted striping to
          city code. (See Site Plan Exhibit "A").

                                                                         Page 10
<PAGE>   11

     (b)  Finishes:

          o    All perimeter walls of the office area will be furred out with
               metal furring strips and 1/2" thickness drywall, nine (9) feet to
               height. Floors shall be standard concrete construction per
               Exhibit B.

          o    Ceiling tiles 2' x 4' with metal grid. 2' x 2' ceiling tiles as
               shown on Exhibit "B".

          o    Standard ceilings of 2'0" x 4'0" fissured white acoustical panels
               will be used in the office area.

     (c)  Resilient Flooring & Carpet:

          o    Floors in the toilet areas will be finished with standard grade
               vinyl composition tile.

          o    All areas which are to be finished with Resilient Tile and Carpet
               will be trimmed out and completed with a standard 4" high curved
               or straight vinyl base.

          o    Floors in the General Office area of approximately 7,224 square
               feet will be finished with a commercial grade carpet (Allowance
               of $10 per sq. yd.) Includes cove base and V.C.T. tile, labor and
               material installation. Color to be chosen by Tenant.

     (d)  Painting - Interior drywall surfaces are to be finished with one (1)
          application of primer and one (1) finish coat of white paint.

     (e)  Miscellaneous Specialties:

          o    Grab bars are to be provided in each handicap accessible toilet
               compartment.

          o    Mirrors are to be provided at each vanity.

          o    Toilet paper dispensers are to be provided within each toilet
               compartment.

          o    Sink and cabinets to be installed in the lunchroom. Counter
               countertop with upper and lower cabinets and a disposal.

     (f)  Heating, Ventilating & Air Conditioning:

          o    The Office area heating and cooling shall be a ducted system
               designed as follows:

                    Heat to 72 degrees Fahrenheit (F) inside when 0 degrees F
                    outside. Cool to 75 degrees dry bulb inside at 90 degrees F
                    outside. Standard thermostats.

          o    The HVAC equipment and materials will be selected from the
               following:

          o    Ceiling diffusers shall be adjustable pattern and lay-in with
               volume control dampers.

          o    The packaged roof-top conditioning units with accessories shall
               be Lennox or "Trane" or equal.

          o    The Warehouse heating system shall be per Mechanical Contractor
               layout and spec.

                                                                         Page 11
<PAGE>   12

     (g)  Electrical:

          (1)  Service and Distribution:

               o    The incoming, secondary electrical service work will include
                    conduit, panel, switchgear, and cable work or per Edison
                    code.

               o    One (1) 1000-amp, three phase Edison service, per Edison
                    code.

               o    Location on masonry wall/west wall.

          (2)  Lighting - In the General Office (private offices, open office
               area) area we are providing 2'0" x 4'0" recessed, commercial
               fluorescent fixtures, lay-in type lens fixtures.

          (3)  Shop Lights - Plugs for 47-fixtures tenant will supply.

          (4)  Exit Lights - Emergency and exit lights per code. In the event
               Tenant's racks require additional emergency lights/or exits
               Tenant will supply per fire marshal's requirements.

          (5)  General Notes - This proposal does not include provision for an
               alarm system, a smoke detection system, a clock system, an
               intrusion alarm system, a sound system, a paging system, or other
               miscellaneous electrical signal systems, fax, dedicated lines.

          (6)  The interior of the Building will have a fire suppression system.

          (7)  All electrical to code.

(42) SECURITY DEPOSIT. Landlord herewith acknowledges the receipt of Sixty Three
     Thousand Five Hundred Seventy Two and 50/100 ($63,572.50) Dollars (the
     "Security Deposit"), which it is to retain as security for the faithful
     performance of all of the covenants, conditions and agreements of this
     Lease, but in no event shall Landlord be obliged to apply the same upon
     Rents or other charges in arrears or upon damages for Tenant's failure to
     perform the said covenants, conditions and agreements; Landlord may so
     apply the Security Deposit at its option; and Landlord's right to
     possession of the Premises for non-payment of Rent or for any other reason
     shall not in any event be affected by reason of the fact that Landlord
     holds this security. The Security Deposit if not applied toward the payment
     of Rent in arrears or toward the payment of damages suffered by Landlord by
     reason of Tenant's breach of the covenants, conditions and agreements of
     this Lease is to be returned to Tenant when this Lease is terminated,
     according to these terms, and in no event is the Security Deposit to be
     returned until Tenant has vacated the Premises and delivered possession to
     Landlord.

     In the event that Landlord repossesses itself of the said Premises because
     of Tenant's default or because of Tenant's failure to carry out the
     covenants, conditions and agreements of this Lease, Landlord may apply the
     Security Deposit upon all damages suffered to the date of said repossession
     and may retain the Security Deposit to apply upon such damages as may be
     suffered or shall accrue thereafter by reason of Tenant's default or
     breach. Landlord shall not be obliged to keep the Security Deposit as a
     separate fund, but may mix the Security Deposit with its own funds.

                                                                         Page 12
<PAGE>   13

     In addition to the Security Deposit set forth above, Tenant herewith
     deposits with Landlord as additional security the sum of One Hundred
     Thousand ($100,000.00) Dollars (the "Additional Security Deposit"). The
     Additional Security Deposit shall be held, used and applied by Landlord
     upon the same terms and conditions and for the same purposes as is the
     Security Deposit. Tenant shall be permitted to request the return of the
     Additional Security Deposit any time after six (6) months after the
     Commencement Date, and provided that Tenant shall not have been in default
     under the terms of the Lease, Landlord shall, upon such request, return the
     Additional Security Deposit to Tenant within ten (10) days of receipt of
     such request.

(43) RECORDING. Tenant shall not record this Lease or a Memorandum of this Lease
     without the written consent of Landlord. In the event that Tenant records
     this Lease or a Memorandum without the written consent of Landlord, Tenant
     grants Landlord a limited power of attorney in Tenant's name to discharge
     the instrument which was recorded without Landlord's consent.

IN WITNESS WHEREOF, the parties have hereunto set their hands and seals the day
and year first above written.

WITNESSES:                LANDLORD:
                          INTERNATIONAL-WIXOM, LLC

                          By:
----------------------       ---------------------------------------------------
                                   Darryl S. Rogers
                          Its:     Member

                          TENANT:
                          ROCKWELL MEDICAL TECHNOLOGIES, INC.

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

                          Its:
----------------------         -------------------------------------------------
                                                            Print Name and Title

Attachments:      Exhibit A - Site Plan
                  Exhibit B - Floor Plan

                                                                         Page 13
<PAGE>   14

     In addition to the Security Deposit set forth above, Tenant herewith
     deposits with Landlord as additional security the sum of One Hundred
     Thousand ($100,000.00) Dollars (the "Additional Security Deposit"). The
     Additional Security Deposit shall be held, used and applied by Landlord
     upon the same terms and conditions and for the same purposes as is the
     Security Deposit. Tenant shall be permitted to request the return of the
     Additional Security Deposit any time after six (6) months after the
     Commencement Date, and provided that Tenant shall not have been in default
     under the terms of the Lease, Landlord shall, upon such request, return the
     Additional Security Deposit to Tenant within ten (10) days of receipt of
     such request.

(43) RECORDING. Tenant shall not record this Lease or a Memorandum of this Lease
     without the written consent of Landlord. In the event that Tenant records
     this Lease or a Memorandum without the written consent of Landlord, Tenant
     grants Landlord a limited power of attorney in Tenant's name to discharge
     the instrument which was recorded without Landlord's consent.

IN WITNESS WHEREOF, the parties have hereunto set their hands and seals the day
and year first above written.

WITNESSES:                LANDLORD:
                          INTERNATIONAL-WIXOM, LLC

                          By: /s/ Darryl S. Rogers
----------------------       ---------------------------------------------------
                                   Darryl S. Rogers
                          Its:     Member

                          TENANT:
                          ROCKWELL MEDICAL TECHNOLOGIES, INC.

                          By: /s/ Robert L. Chioini
----------------------       ---------------------------------------------------

                          Its: Robert L. Chioini Chairman & CEO
----------------------         -------------------------------------------------
                                                            Print Name and Title

Attachments:      Exhibit A - Site Plan
                  Exhibit B - Floor Plan

                                                                         Page 13

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