Document:

EXHIBIT 10.4
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                         GREYSTONE MANUFACTURING, L.L.C.
                               SECURITY AGREEMENT

         THIS SECURITY AGREEMENT is entered into effective March 4, 2005, with
the security interest granted by, between and among GREYSTONE MANUFACTURING,
L.L.C., an Oklahoma limited liability company of 1613 East 15th Street, Tulsa,
Oklahoma 74120 ("Borrower" or "Grantor" or "Greystone"), and THE F&M BANK &
TRUST COMPANY, an Oklahoma banking corporation ("F&M" or "Bank"), to secure the
certain debts of Grantor to Bank.

                                R E C I T A L S:

         Concurrently herewith, Borrower, GLOG Investment, L.L.C., an Oklahoma
limited liability company ("GLOG"), and Bank are entering into a Loan Agreement
of even date ("Loan Agreement") whereby Bank has lent to or is to lend or make
available for advance to Grantor and GLOG the aggregate sums of TWELVE MILLION
DOLLARS ($12,000,000.00) on three notes, including: (i) a $1,500,000.00
revolving loan to Grantor ("Revolving Note"); (ii) a $5,500,000.00 term loan
issued by Greystone ("Term Note"); and (iii) a $5,000,000.00 term loan issued by
GLOG which is not secured hereunder ("GLOG Note") (the Revolving Note and Term
Note shall collectively be referred to hereafter as the "Notes" and secured
hereunder).

         The term "Notes" shall refer to the Revolving Note and Term Note
executed in connection with, or as defined in, the Loan Agreement, including,
without limitation, any and all amendments to or extensions, renewals,
modifications, substitutions and replacements of the Notes and all other
indebtedness or obligations of the Borrower to Bank whether listed herein or
under the Loan Agreement or this Agreement, including, without limitation,
listed in Paragraphs 1.3, 1.4 and/or 1.5, inclusive. The principal indebtedness
secured hereunder is the face amount of the Notes pursuant to the terms of the
Loan Documents. The Notes are to be secured by, among other things, this
Security Agreement and the Loan Documents.

         NOW, THEREFORE, for valuable consideration, Grantor and Bank hereby
agree:

1.       SECURITY INTEREST.

         1.1 SECURITY INTEREST. Grantor hereby sells, assigns, conveys, pledges,
hypothecates, transfers, and grants to Bank a security interest in all of its
present and future right, title, and interest in the Collateral for the purposes
of securing the prompt payment to Bank of any and all of the Secured
Obligations.

         1.2 CERTAIN DEFINITIONS. When used in this Security Agreement, the
following terms shall have the respective meanings set forth following such
terms:

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                  Collateral" shall mean:

                  (a) All of Grantor's accounts, equipment, inventory, general
         intangibles and deposit accounts, whether now owned or existing or
         hereafter acquired or arising, and all proceeds and products thereof in
         any form derived therefrom. By way of illustration and not by way of
         limitation, the terms "accounts," "equipment," and "inventory" shall be
         deemed to include within their meanings the following:

                           (1) "account(s)" shall include, without limitation,
                  the complete definition of such term under Article 9 of the
                  Uniform Commercial Code ("UCC") and any and all rights of
                  Grantor to payment for goods sold or leased or for services
                  rendered, which rights are not evidenced by an instrument or
                  chattel paper, whether due or to become due and whether or not
                  the rights have been earned by performance, including without
                  limitation, credit card receivables, health care receivables,
                  payments evidenced by chattel paper, deposit accounts,
                  commercial tort claims, letter of credits, letter of credit
                  rights, commodity accounts of Grantor, commodity contracts,
                  sums due for consigned goods and any other sums owed to
                  Grantor;

                           (2) "equipment" shall include, without limitation,
                  the complete definition of such term under the UCC and any and
                  all goods, including trade fixtures, of the Grantor, other
                  than inventory, wherever located and whether now owned or
                  hereafter acquired, including, but not limited to, machinery,
                  computers, furniture, furnishings and office machines,
                  together with all attachments, accessories, replacements,
                  substitutions, additions and improvements to any of the
                  foregoing, whether now or hereafter acquired, but excluding
                  any goods leased by Grantor from others;

                           (3) "inventory" shall include, without limitation,
                  the complete definition of such term under the UCC and any and
                  all of Grantor's materials as well as goods, merchandise and
                  other personal property of the Grantor held for sale or lease
                  or to be furnished under contracts of service, wherever
                  located or in transit, together with all attachments,
                  accessories, replacements, substitutions, additions and
                  improvements to any of the foregoing, whether now owned or
                  hereafter acquired;

                           (4) "general intangibles" shall include, without
                  limitation, the complete definition of such term under the UCC
                  and all trade names of Grantor and general intangibles for
                  money due or to become due; and

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                           (5) "deposit accounts" shall include, without
                  limitation, the definition of such term in the UCC and all
                  deposit accounts of Grantor wherever located and with any
                  financial institution or Bank and the proceeds of such deposit
                  accounts.

                  (b) All documents and documents of title, receipts and the
         like, evidencing title to equipment or inventory;

                  (c) All rights and claims of Grantor in or under all policies
         of insurance covering the Collateral of Grantor described herein,
         including but not limited to insurance for fire, damage, loss and
         casualty, together with the proceeds, or products, renewals and
         replacements thereof, including prepaid and unearned premiums;

                  (d) All books and records, including but not limited to credit
         files, computer programs, printouts and other computer materials and
         records pertaining to any of the Collateral of Grantor described
         herein;

                  (e) Without in any way limiting the foregoing, whether derived
         from voluntary or involuntary disposition, all proceeds and products of
         the Collateral of Grantor described herein, and all renewals,
         replacements, substitutions, additions, accessions, rents, issues,
         royalties and profits of any of the Grantor's Collateral, whether now
         owned or existing or hereafter acquired or arising; and

                  (f) All Payment Intangibles, Deposit Accounts, now owned or
         hereafter acquired and the Proceeds thereof; and

                  (g) All Proceeds of the foregoing in any form and including,
         without limitation, anything received on sale, exchange, transfer,
         collection or disposition of any Collateral granted herein
         ("Proceeds").

         All of the foregoing is hereinafter collectively called the
"Collateral." Grantor may grant purchase money security interests in equipment
which shall be Collateral and such purchase money liens will not constitute an
event of default under the Loan Agreement to the extent that the debt incurred
and the lien granted are consistent with the Loan Agreement.

         "Account Debtor(s)" shall have the complete definition of such term
under the Uniform Commercial Code.

         "Secured Obligations" shall refer to the Notes or Indebtedness as
defined in and executed in connection with the Loan Agreement referenced or
defined as notes in the Loan Agreement or herein, including, without limitation,
any and all amendments to or extensions, renewals, modifications, substitutions
and replacements of the Notes, the Notes executed by Grantor to Bank, and all
other indebtedness or obligations of the Grantor to Bank whether listed herein
or

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under the Loan Agreement or this Agreement, including, without limitation,
listed in Paragraphs 1.3, 1.4 and/or 1.5, inclusive.

         All capitalized terms shall have the meanings given such terms in the
Loan Agreement, unless otherwise defined herein.

         1.3 NATURE OF INTEREST. The assignment of the Collateral herein is for
the purpose of securing the prompt payment of the Secured Obligations.
Notwithstanding any other provision hereof, Grantor shall remain liable to
observe and perform all the conditions and obligations to be observed and
performed by Grantor in accordance with and pursuant to the terms and provisions
of each of the Accounts. Bank shall have no obligation or liability under any of
the Accounts by reason of or arising out of this Security Agreement, or the
receipt by Bank of any payment relating to any of the Accounts. Bank shall not
be required or obligated in any manner to (i) perform any of the conditions and
obligations of Grantor under or pursuant to any of the Accounts; or (ii) make
any payment or any inquiry as to the nature or the sufficiency of any payment
received by Bank or the sufficiency of any performance by any party under any of
the Accounts; or (iii) present or file any claim or take any action to collect
or enforce any performance or payment of any amounts under any of the Accounts.
Bank shall use reasonable care in the custody and preservation of the Collateral
in Bank's possession. Bank shall not be obligated to preserve or protect any
rights with respect to the Collateral against prior parties. Bank may at any
time deliver the Collateral, or any part thereof, to Grantor, and the receipt of
Grantor shall be a complete and full discharge of Bank for the Collateral so
delivered, and Bank shall thereafter be discharged from any liability or
responsibility therefor.

         1.4 ADDITIONAL AGREEMENTS. This Security Agreement is in addition to
and without limitation of any right of Bank under any other Security Agreement
granted by Grantor to Bank.

         1.5 OTHER SECURED OBLIGATIONS. Grantor and Bank contemplate that
Borrower and Bank will, from time to time, engage in various transactions and
that, from time to time, other circumstances may arise, in which Borrower
becomes obligated to Bank. Grantor understands that some of those transactions
and circumstances may be of a type that is very different from the loan
transaction evidenced in part by the Notes and the circumstances connected
therewith. Grantor desires and intends that Bank engage in all such
transactions, and deal generally with Borrower, with the assurance that any and
all indebtedness and obligations now owed, and that may hereafter become owing,
to Bank from Borrower will be secured by the liens arising hereunder. Therefore,
the conveyance made by this Security Agreement, in addition to being made to
secure payment of the Notes, is also made to secure and enforce the payment of
all other indebtedness and obligations of Borrower to Bank, whether presently
existing, or in any manner or means hereafter incurred by Grantor, and evidenced
in any manner whatsoever, either by notes, advances, overdrafts, bookkeeping
entries, guaranty agreements, liens or security instruments, or any other method
or means, including any renewal and extension of the Notes, or of any part of
any present or future indebtedness, or other obligations of Borrower and
including any further loans and advancements made by Bank to Borrower. The fact
of repayment of all Notes, Indebtedness and Liabilities, and performance of all
other obligations, of Borrower, to Bank, shall not terminate the lien arising
hereunder unless the same be released by Bank at the

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request of Borrower; but otherwise it shall remain in full force and effect to
secure all future advances, indebtedness and other obligations, regardless of
any additional security that may be taken as to any past or future indebtedness
or other obligations.

         1.6 FINANCING STATEMENTS. Grantor irrevocably appoints Bank as its
lawful attorney and agent to execute financing statements on Grantor's behalf,
and on its behalf to file Financing Statements signed by Bank and Grantor, if
necessary, in any appropriate public office.

         1.7 DEPOSIT ACCOUNTS. Grantor irrevocably appoints Bank as its lawful
attorney and agent to advise any bank or financial institution with which a
Deposit Account of Grantor is maintained of the assignment and pledge of the
Deposit Accounts, cause such bank to execute an authenticated record or similar
agreement acknowledging the assignment and pledge to Bank of the Deposit
Accounts with that bank or financial institution and that such bank or financial
institution will comply with any instructions from Bank as a secured party
directing the disposition of the funds in the Deposit Accounts without further
inquiry to or the further consent of Grantor. Until Bank notifies the bank or
financial institution to the contrary, Grantor may have the limited right to
direct the disposition of funds from the Deposit Accounts until Bank exercises
its right to restrict Grantor's access to the funds in the Deposit Accounts
pursuant to the assignment and pledge and directs the disposition of the
proceeds from those Deposit Accounts. Bank shall also have a lien on and
security interest in all Deposit Accounts of Grantor with Bank.

2. REPRESENTATIONS AND WARRANTIES. In order to induce Bank to enter into the
Loan Agreement, Grantor represents and warrants to Bank that:

         2.1 Except for Permitted Encumbrances and Permitted Liens, Grantor has
good and marketable title to its Collateral free and clear of any mortgages,
liens, security interests, claims, or other encumbrances, except for the
security interest created by this Security Agreement, purchase money security
interests and/or financing leases of certain equipment, liens disclosed to Bank
in writing and liens which are expressly subordinated to the Bank's security
interest. The execution, delivery, and performance of this Security Agreement
will not result in the creation or imposition of any other mortgage, lien,
security interest, claim, or other encumbrance in all or any part of the
Collateral. No lien, claim, financing statement, security agreement, mortgage,
or other writing is on file in any public filing or recording office or title
registration office giving notice of or creating (or purporting to give notice
of or create) any mortgage, lien, security interest, claim, or other encumbrance
on all or any part of the Collateral, except financing statements and security
interests in favor of Bank and equipment lenders and lessors. Bank has a valid
and continuing first lien on, and first perfected security interest in, the
Collateral, prior to all other mortgages, liens, security interests, claims or
other encumbrances, except for existing liens and leases covering equipment and
purchase money security interests in future equipment, and such security
interest will be enforceable as such against all other persons.

         2.2 The amount and aging of each scheduled account in any financial
statement, accounts aging, or other material supplied by Grantor to Bank are
correctly stated. Each of the accounts arose from the performance of services or
from an outright and lawful sale or lease of goods by Grantor, and all such
goods have or will be shipped or delivered to the account debtor,

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and Grantor has possession of, or has delivered to Bank, all available shipping
and/or delivery receipts evidencing such shipments or delivery. Each of the
accounts is assignable. Unless otherwise disclosed to Bank in writing, no
account is subject to setoff, credit, allowance or adjustment by the account
debtor or by any other party to any agreement evidencing the account, except
such discount as may be allowed for prompt payment. No account debtor has
complained as to its liability on any account and has not returned any of the
goods from the sale or lease from which such accounts arose. Each of the
accounts arose in the ordinary course of Grantor's business, unless otherwise
disclosed to Bank in writing, No notice of the bankruptcy, insolvency, or
failure of any account debtor to pay debts as they become due has been received
by Grantor.

         2.3 All tangible Collateral is in good repair and condition in all
material respects ordinary wear and tear excepted. Any and all tangible
Collateral, which is in the possession of any third parties, is held pursuant to
a contract and is clearly identified as the property of the Grantor.

3. COVENANTS. Grantor covenants and agrees to and with Bank at all times
throughout the term of this Agreement, such covenants and agreements in this
Agreement to be in addition to the covenants, duties, and obligations of Grantor
set forth in the Loan Agreement and other Loan Documents, that:

         3.1 COLLECTION OF ACCOUNTS. Following the occurrence of an Event of
Default (as hereinafter defined), Bank is authorized at any time and from time
to time to take all actions necessary to collect all or any part of the Accounts
in its own name or in the name of Grantor. Upon request of Bank, Grantor shall
execute and deliver to Bank (in addition to documents previously delivered to
Bank) an assignment, in a form satisfactory to Bank, of all Grantor's right,
title, and interest in and to each of the Accounts, and shall obtain an
acknowledgment of assignment from any and all account debtors in a form
satisfactory to Bank. Following the occurrence of an Event of Default, if the
Accounts at any time include more than one Account of the same account debtor,
Bank may apply the proceeds of any collection received from such account debtor
toward the liquidation of any such Account as Bank may determine. Following the
occurrence of an Event of Default, Bank may settle or adjust all disputes or
claims directly with the account debtors with respect to any of the Accounts,
and may compromise or extend the time of payment for any of the Accounts on such
terms and conditions as Bank may determine without affecting the liability of
Grantor under this Security Agreement or any other document evidencing or
relating to the obligations. The costs of such collection and enforcement,
including attorneys' fees and out-of-pocket expenses and all other expenses and
liabilities resulting therefrom, shall be borne solely by Grantor and shall be
immediately due and payable to Bank by Grantor. Bank shall not be liable for
failure to collect or enforce any of the Accounts or for any act or omission on
the part of Bank or its officers, agents, and employees, except willful
misconduct. Until Bank exercises its right, Grantor is authorized to, and shall
use, its best efforts to effect the prompt collection of the Accounts. This
authorization may be terminated at any time following the occurrence of an Event
of Default, and Bank may, at its election, notify any account debtor on any of
the Accounts of the assignment thereof and effect collection of any of the
Accounts directly from the account debtor obligated thereon.

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         3.2 DISPOSITION OF ACCOUNT COLLECTIONS. Grantor shall deposit all
Proceeds (with all appropriate endorsements) received by Grantor into its
accounts at Bank promptly after receipt by Grantor. After the occurrence of an
Event of Default, Bank may in its sole discretion apply the Proceeds to the
payment of any of the obligations or release such money to Grantor without
waiving the right of Bank to retain Proceeds which are subsequently delivered to
Bank. Bank shall have full power to collect, compromise, endorse, sell, or
otherwise deal with such Proceeds in Bank's own name or that of Grantor.

         3.3 FURTHER ASSURANCE OF COLLATERAL. Grantor shall promptly and duly
execute and deliver to Bank all lien entry forms, financing statements,
continuation statements, instruments, documents, acknowledgments, and evidences
(including, without limitation, correction instruments) and take such further
action deemed by Bank to be necessary or desirable to perfect, and continue the
perfection of, the security interest granted herein and otherwise to obtain the
full benefits granted to Bank hereunder, and shall pay the cost of filing any
such financing statement, instrument, document, or evidence of taking such
action wherever and whenever deemed necessary or desirable by Bank. Upon request
of Bank, Grantor shall furnish appropriate searches to Bank, including a search
as to federal tax liens necessary to establish to the satisfaction of Bank of
Grantor's good and marketable title to the Collateral and Bank's first and prior
lien position with respect to all of the Collateral.

         3.4 EXPENSES. Grantor shall pay all fees, costs, and expenses of Bank
(including, without limitation, attorneys' fees and court costs) incurred both
before and after an Event of Default incident to the transactions contemplated
in this Security Agreement, including, without limitation, the filing and
perfection of Bank's interest in the Collateral; the enforcement of Bank's
rights, powers, and remedies in this Security Agreement; and all costs of
selling, advertising, and other foreclosure expenses. All such fees, costs, and
expenses shall be due promptly upon invoice therefor and shall bear interest
from the date incurred from day to day at a varying rate per annum equal to the
Note Rate, or the Default Rate, after an Event of Default (as defined in the
Notes).

         3.5 ADDITIONAL RIGHTS. Grantor hereby irrevocably appoints Bank to be
Grantor's true and lawful attorney, with full power of substitution, in Bank's
name or Grantor's name or otherwise for Bank's sole use and benefit, but at
Grantor's cost and expense, to exercise at any time all or any of the following
powers with respect to all or any of the Collateral:

                  (i) to demand, sue for, collect, receive and give acquittance
         for any and all moneys due or to become due upon or by virtue thereof;

                  (ii) to receive, take, endorse, assign and deliver any and all
         checks, notes, drafts and other negotiable and non-negotiable
         instruments taken or received by Bank in connection therewith;

                  (iii) to settle, compromise, compound, prosecute or defend any
         action or proceeding with respect thereto;

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                  (iv) to sell, transfer, assign or otherwise deal in or with
         the same or the proceeds or avails thereof and to apply for and obtain
         any required consents of any necessary parties or any governmental
         authority for any such sale or other disposition, as fully and
         effectually as if Bank were the absolute owner thereof; and

                  (v) to make any reasonable allowances and other reasonable
         adjustments with reference thereto.

         3.6 The exercise by Bank of, or failure to so exercise, any authority
granted hereinabove shall in no manner affect Grantor's liability to Bank, and,
provided further, that Bank shall be under no obligation or duty to exercise any
of the powers hereby conferred upon it and it shall be without liability for any
act or failure to act in connection with the collection of or the preservation
of any rights under any of the Accounts or Contract Rights.

4. ADDITIONAL COVENANTS OF GRANTOR. In addition to Grantor's covenants,
representations and warranties contained herein or in the Loan Agreement,
Grantor covenants that:

         4.1 Grantor's records of the Collateral will be located at Grantor's
respective principal places of business or at the locations at which Grantor
conducts its respective businesses.

         4.2 Grantor will defend the Collateral against any claims and demands
of all other persons at any time claiming the same or an interest therein which
would conflict with any claim or interest of Bank. Grantor will not encumber,
sell, transfer, assign, abandon or otherwise dispose of the Collateral except as
permitted under Section 5.5 and except for: (i) collection, discharge, discount,
compromise or expiration of Accounts, General Intangibles in the ordinary course
of Grantor's business, (ii) sale or transfer of Inventory, and cancellation of
Insurance in the ordinary course of business, and (iii) liens permitted
hereunder.

         4.3 Grantor will have and maintain insurance covering the risks similar
to other businesses. As requested by Bank, Grantor shall deliver certificates
evidencing each policy of insurance with respect to the Inventory (except
liability insurance) to Bank and Bank is authorized by Grantor to act as its
attorney in collecting, adjusting, settling or canceling such insurance and
endorsing any drafts drawn by insurers.

         4.4 Grantor will use the Collateral for business purposes and not in
violation of any statute or ordinance.

         4.5 Upon reasonable advance notice to Grantor, Bank may examine and
inspect the Collateral at any reasonable time and at any reasonable place,
wherever located.

         4.6 Grantor will pay promptly when due all taxes and assessments upon
the Collateral or upon its use or sale. At its option Bank may discharge taxes,
liens or other encumbrances at any time levied against or placed on the
Collateral which have not been stayed as to execution and contested with due
diligence in appropriate legal proceedings, and Bank, upon failure of

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Grantor to maintain insurance, may pay for insurance on the Collateral and may
pay for maintenance and preservation of the Collateral but is under no duty or
obligation to do so. Grantor shall reimburse Bank on demand for any such expense
incurred by Bank pursuant to the foregoing authorization with interest on such
sum at the rate of interest provided in the Notes or any extension or renewal
notes.

         4.7 Grantor will at all times keep accurate and complete records of
Grantor's Accounts, and will deliver such reconciliation reports and other
financial information to Bank as Bank may at any time reasonably request. Upon
reasonable advance notice, Bank, or any of its agents, shall have the right to
call at Grantor's place or places of business during normal business hours and
without disrupting Grantor's operations, at intervals to be determined by Bank,
to inspect, audit, make test verifications and otherwise check and make extracts
from the books, records, journals, orders, receipts, correspondence and other
data relating to Grantor's Accounts, Insurance, General Intangibles or to any
other transactions between the parties hereto.

         4.8 Upon Bank's written demand after the occurrence of an Event of
Default under the Loan Agreement, Grantor agrees to stamp all books and records
pertaining to Accounts and General Intangibles to evidence Bank's security
interest therein in a form satisfactory to Bank.

         4.9 Grantor will from time to time upon demand furnish to Bank such
further information and will execute and deliver to Bank such financing
statements and assignments and other papers and will do all such acts and things
as may be necessary or appropriate to establish, perfect and maintain a valid
security interest in the Collateral as security.

         4.10 Grantor will use its best efforts to obtain the consent of any
person, governmental instrumentality or agency, or public body or official to
the assignment hereunder of any Account or General Intangible if such consent
may be required by the terms of any contract or statute and if Bank so requests.

5. EQUIPMENT.

         5.1 On Bank's request, Grantor shall identify from time to time the
locations of the Equipment and identify in writing the locations at which any
Equipment is used or stored. No Equipment will be removed from the locations
except for use in the ordinary course of business. No Equipment will be stored
at locations other than the locations identified in writing by Grantor. Bank may
during Grantor's business hours inspect and examine the Equipment and verify the
quality, quantity, value and condition thereof. Grantor shall from time to time,
at Bank's request, deliver to Bank any such information required by the Bank
regarding the Equipment and the value thereof.

         5.2 Grantor shall conduct a physical review and description of
Equipment at such intervals as Bank may reasonably request and shall, upon the
request of Bank, promptly supply Bank with a copy of the report. Except after
the existence of an Event of Default which has been declared, Grantor may use
the Equipment in the ordinary course of its business. Grantor shall

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provide Bank with notice of the receipt of any Equipment subject to a purchase
money security interest or lease and provide Bank with a copy of any lease or
security agreements.

         5.3 Equipment will not be moved from the locations at which it is
stored except in the ordinary course of Grantor's business. The Equipment may be
moved from one location to another without notice to Bank.

         5.4 Grantor shall keep and maintain the Equipment in good and operating
condition and repair and make all necessary repairs thereto so that the value
and operating efficiency will be maintained and preserved. Grantor will provide
Bank with immediate notice of any material loss or damage to any Equipment.
Grantor has granted to Bank a lien on all rolling stock (whether already
encumbered or not), but will not file lien entry or other devices to perfect its
security interest in the rolling stock at this time. With respect to rolling
stock, Bank reserves the right to demand in its sole discretion the right to
obtain lien entry forms or other certificate of title forms to perfect Bank's
lien and Grantor on request of Bank shall immediately deliver to Bank, properly
endorsed, a lien entry form or other certificate of title or application
sufficient to perfect Bank's lien in rolling stock and shall take all actions
necessary to have Bank's lien properly recorded and perfected in such assets.

         5.5 Grantor may from time to time substitute Equipment provided that
(i) the substitute Equipment is not subject to any lien other than purchase
money security interest and has a fair market value at least equal to the fair
market value of the Equipment for which it is substituted; (ii) the
marketability and operating integrity of the Equipment after such substitution
is not impaired; (iii) an Event of Default has not occurred (whether declared or
undeclared); and (iv) any such substitute Equipment shall become part of the
Collateral and the Equipment shall become the property of the Grantor free and
clear of any security interest other than that of Bank's or other purchase money
lender. Otherwise, Grantor shall not sell, exchange, lease, transfer or
otherwise dispose of any Equipment except for sales, which Bank has approved. At
all times pertinent, Grantor shall promptly notify Bank in writing of its
acquisition of any after-acquired Equipment and provided a description of
Equipment and its present location.

6. INVENTORY.

         6.1 Grantor's Inventory shall be located at Grantor's places of
business in the ordinary course of business except for (i) Inventory in transit;
and (ii) Inventory at locations of which the Bank has been notified in writing.
No Inventory will be removed from the locations except for the purpose of sale
in the ordinary course of business. No Inventory will be stored at locations
other than identified herein except with the prior written consent of Bank. Bank
may, during Grantor's business hours, inspect and examine the Inventory and
verify the quality, quantity, value and condition thereof. Grantor shall, from
time to time, deliver to Bank any such information required by the Bank
regarding the Inventory and the value thereof.

         6.2 Upon request of Bank, Grantor shall coordinate its respective
physical counts of inventory with the Bank, and shall, upon the request of Bank,
promptly supply Bank with a copy of the report accompanied by a statement of the
value of the Inventory as required. Except after

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the existence of an Event of Default which has been declared, Grantor may sell
Inventory in the ordinary course of its business, which does not include a
transfer in full or partial satisfaction of indebtedness or the sale in bulk of
the Inventory. At Bank's request, Grantor shall provide Bank with notice of the
receipt of any consigned Inventory or Inventory subject to a purchase money
security interest and provide Bank with a copy of any consignment or security
agreements, provided Bank shall not be deemed to have consented to such
relationships.

7. EVENTS OF DEFAULT.

         7.1 Grantor shall be in default under this Agreement (an "Event of
Default") upon the occurrence of any Event of Default by Grantor specified in
the Loan Agreement or the Notes, or as follows:

                  (i) The failure to pay any interest or principal due by
         Borrower to Bank;

                  (ii) There shall occur an Event of Default under the Notes or
         any other Loan Documents between the Borrower and the Bank;

                  (iii) Any representation and warranty of the Borrower to the
         Bank in connection with this transaction shall prove to have been false
         in any material respect on the date when made or deemed to have been
         made;

                  (iv) Grantor's failure to pay at maturity or, with any period
         of grace, any material indebtedness to any other lender or failure to
         observe any material term, provision or covenant with any other lender;

                  (v) The Grantor shall apply for or consent to the appointment
         of a receiver, custodian, trustee, liquidator or any similar official;
         generally not pay its debts as they become due; make an assignment for
         the benefit of creditors, commence a voluntary case under the
         Bankruptcy Code or similar Code hereafter in effect; take any action or
         commence any action or proceeding relating to bankruptcy, insolvency,
         reorganization, winding-up, composition or adjustment of debts; fail to
         contest in a timely manner a Petition for an involuntary case against
         the Borrower, or take any corporate action for the purposes of
         winding-up or dissolving the corporation;

                  (vi) A judgment, not covered by insurance, shall be entered
         against the Borrower or any Guarantor for sums in excess of $300,000.00
         which judgment shall not have been stayed for thirty (30) days;

                  (vii) Grantor shall cease to operate or actively engage in
         business or an order be entered against the Borrower by any regulatory
         agency having jurisdiction over the Borrower closing the Borrower or
         seizing the assets of the

                                       11
<PAGE>

         Borrower or providing for reorganization, liquidation or dissolution of
         the Borrower;

                  (viii) Failure of any security interest or pledge of its
         assets to constitute a valid first and prior security interest lien on
         the Accounts and Inventory except as otherwise provided; or

                  (ix) The breach or default under any covenant, agreement,
         term, condition, provision, representation or warranty contained in
         this Agreement or any other loan documents which is not cured within
         thirty (30) days after notice by Borrower to the Bank of the occurrence
         thereof.

         Grantor shall have cure periods set out in the Loan Agreement.

         7.2 Upon the occurrence of an Event of Default: Bank shall have all of
the rights, powers and remedies set forth in the Loan Documents, the Notes, this
Security Agreement, and any instrument or other evidence of any of the Grantor's
other Liabilities secured hereby, together with the rights and remedies of a
secured party under the Uniform Commercial Code including, without limitation,
the right to sell, lease or otherwise dispose of any or all of the Collateral,
and to take possession of the Collateral, and for that purpose Bank may enter
peaceably any premises on which the Collateral or any part thereof may be
situated and remove the same therefrom and Grantor will not resist or interfere
with such action. Bank may require Grantor to assemble the Collateral and make
it available to Bank at a place to be designated by Bank which is reasonably
convenient to both parties. Grantor hereby agrees that its above-mentioned
address and the place or places of location of the Collateral are places
reasonably convenient to it to assemble the Collateral. Unless the Collateral is
perishable or threatens to decline speedily in value or is of a type customarily
sold on a recognized market, Bank will send Grantor reasonable notice of the
time and place of any public sale or reasonable notice of the time after which
any private sale or any other disposition thereof is to be made. The requirement
of sending reasonable notice shall be met if such notice is mailed, postage
prepaid, to Grantor at least ten (10) days before the time of the sale or
disposition. Bank may, at any time in its discretion, transfer any property
constituting Collateral into its own name or that of the nominee and receive the
income thereon and hold the same as security for the liabilities.

         Insofar as Collateral shall consist of Accounts, General Intangibles or
the like, Bank may demand, collect, receipt for, settle, compromise, adjust, sue
for, foreclose or realize upon Collateral as Bank may determine, whether or not
Liabilities or Collateral are then due and for the purpose of realizing Bank's
rights therein, Bank may receive, open and dispose of mail addressed to Grantor,
may take possession of all Grantor's books and records pertaining to Accounts or
other Collateral, and may endorse notes, checks, drafts, money orders, documents
of title or other evidences of payment, shipment or storage of any form of
Collateral on behalf of and in the name of Grantor. After deducting all expenses
incurred by Bank in protecting or enforcing its rights in the Collateral, the
residue of any proceeds of collection or sale of the Collateral shall be applied
to the payment of principal or interest of Grantor's liabilities in such order
as Bank may determine, and any excess shall be returned to Grantor, and Grantor
shall

                                       12
<PAGE>

remain liable for any deficiency. Bank may exercise its rights with respect to
Collateral without resorting to or regard to other collateral or sources of
reimbursement for liability.

         7.3 Grantor recognizes that the Collateral may not be readily
marketable and may not be marketable at all if an Event of Default has occurred.
In order, therefore, to enable Bank to use such means as it may determine
necessary or advisable to realize upon the Collateral from time to time, Grantor
consents that Bank may use commercially reasonable means it may reasonably
consider necessary or advisable to sell any or all of the Collateral at any time
or times after default thereunder which shall be continuing, including, but not
restricted to, the giving of an option to purchase any or all of the Collateral
to any party and the extending of credit to any purchaser of such Collateral.
Bank may sell any or all of the Collateral or commit itself to sale without
limiting the amount sold to the amount of indebtedness secured thereby, plus
costs of collection. Because it would be unlikely that any party would become
interested in purchasing the Collateral as a result of the giving of any notice
of public sale, Grantor agrees that any such sale or sales may be private and
without competitive bidding.

         7.4 In addition, after the occurrence of one or more Events of Default,
regardless of whether such Event(s) of Default were caused by Borrower or by
causes beyond the control of Grantor, Bank, in its absolute discretion, also may
selectively and successively pursue any or all of the following:

                  (a) PERFORMANCE. Bank may perform any covenant, obligation or
         duty which gave rise or will give rise to the Event of Default, and
         such performance shall not prevent Bank from exercising any or all of
         its rights hereunder on account of such Event of Default or otherwise
         relieve Borrower of any Event of Default. Nothing contained in this
         Section shall obligate Bank to perform any covenants, obligation, or
         duty of Grantor, and any such performance shall be entirely at the
         option of Bank.

                  (b) POSSESSION OF PERSONAL PROPERTY. Bank may take possession
         of, assemble, and collect the Collateral, and require Grantor to
         assemble the Collateral and make it available at any place Bank may
         designate so as to allow Bank to take possession of the Collateral.

                  (c) DEPOSIT ACCOUNTS. Bank may apply in satisfaction of the
         Secured Obligations any deposits or other sums credited by or due from
         Bank to Grantor.

                  (d) OTHER SECURITY. Bank may resort to any security given by
         this Security Agreement, the Loan Documents, or in any of the other
         Loan Documents, or to any other security or agreement now existing or
         hereafter given, to secure the payment of the obligations, in whole or
         in part, and in such portions and in such order as may seem best to
         Bank in Bank's sole and uncontrolled discretion.

                  (e) OTHER REMEDIES. Bank may exercise any other legal or
         equitable rights, powers, or remedies Bank may have under this Security
         Agreement, the

                                       13
<PAGE>

         Loan Agreement or the Loan Documents or that Bank may have at law or in
         equity, all specific remedies mentioned herein and therein being
         cumulative of, and in addition to, all such legal and equitable rights,
         powers, and remedies.

         7.5 WAIVER. Grantor waives any and all rights to require Bank to
proceed against Borrower or any other person whomsoever, to proceed or exhaust
any Collateral or other security held by Bank, or to pursue any other remedy
available to Bank.

         7.6 NOTICE OF SALE. Written notice mailed to Grantor, as provided
herein, ten (10) days prior to the date of public sale of the Collateral or
prior to the date, after which private sale of the Collateral will be made,
shall constitute reasonable notice.

         7.7 MULTIPLE SALES. Several sales of the Collateral may be made without
exhausting Bank's right to such remedy for any unsatisfied part of the Secured
Obligations and without exhausting the power to exercise such remedy for any
other part of the Secured Obligations, whether matured at the time or
subsequently maturing. If a part of the Collateral is sold, and the proceeds
thereof do not fully pay and satisfy the Secured Obligations, such sale, if so
made, shall not in any manner affect the unpaid and unsatisfied part of the
Secured Obligations, but as to such unpaid and unsatisfied part, the Secured
Obligations shall remain in full force and effect.

         7.8 RIGHT TO PURCHASE. In the case of any and all sales of any or all
of the Collateral, Bank shall have the right to purchase the Collateral being
sold, and in such cases the right to credit, upon the amount of the bid made
therefor (to the extent necessary to satisfy such bid), in the amount of the
Secured Obligations then due.

8. MISCELLANEOUS.

         8.1 No delay or omission by Bank in exercising any of its rights
hereunder shall be deemed to constitute a waiver thereof. All rights and
remedies of Bank hereunder shall be cumulative and may be exercised singularly
or concurrently.

         8.2 This Agreement shall be governed by and construed under the laws of
the State of Oklahoma. None of the items or provisions of this Agreement may be
waived, altered, modified, or amended except by an agreement in writing signed
by Bank and Grantor.

9. MISCELLANEOUS PROVISIONS.

         9.1 GOVERNING LAW. This Security Agreement and the rights and
obligations of the parties under this Security Agreement shall be governed by,
and construed, interpreted, and enforced in accordance with the laws of the
State of Oklahoma.

         9.2 TITLES; CAPTIONS. The titles, captions, and headings in this
Security Agreement are for convenience only, are not a part of this Security
Agreement, and shall have no effect upon the construction or interpretation of
all or any part of this Security Agreement.

                                       14
<PAGE>

         9.3 SEVERABILITY. In the event any one or more of the provisions
contained in this Security Agreement is determined to be invalid, illegal, or
unenforceable in any respect, the validity, legality, or enforceability of the
remaining provisions in this Security Agreement shall not in any way be affected
or impaired thereby.

         9.4 ENTIRE AGREEMENT. This Security Agreement embodies the entire
agreement between Grantor and Bank with respect to the security interest
contained herein, and there are no oral agreements or other written agreements
existing between Grantor and Bank with respect to the security interest created
herein which are not expressly set forth in this Security Agreement or in the
other Loan Documents (as defined in the Loan Agreement).

         9.5 TERM. This Security Agreement shall continue in full force and
effect, and Grantor shall be bound by and obligated to perform each and every
covenant contained in this Security Agreement until all obligations shall be
paid in full and Bank shall have no further or additional obligation to advance
funds under the Loan Agreement.

         9.6 AMENDMENTS. No amendment to this Security Agreement shall be
effective unless such amendment is in a writing executed by Grantor and Bank.

         9.7 WAIVER. No course of dealing and no failure to exercise or delay in
exercising, on the part of Grantor or Bank, any right, remedy, power, or
privilege under this Security Agreement shall operate as a waiver thereof. Any
single or partial exercise or attempted exercise of any right, remedy, power, or
privilege under this Security Agreement shall not preclude any other or further
exercise thereof or the independent, concurrent, or subsequent exercise of any
other right, remedy, power, or privilege. All waivers of any provision of this
Security Agreement by Grantor or Bank shall be in writing duly executed by
Grantor or Bank, respectively.

         9.8 RELEASE. No transfer, renewal, extension, or assignment of this
Security Agreement or any interest therein, no release of any Guarantors, and no
loss, damage, or destruction of the Collateral shall release Grantor from its
obligations under this Security Agreement.

         9.9 NOTICES. All notices, requests, and demands under this Security
Agreement, to be effective, shall be in writing and, unless otherwise expressly
provided in this Security Agreement, shall be deemed to have been duly given or
made when actually delivered to the intended addressee, when deposited in the
mail, first class postage prepaid, addressed to the last known address, or to
such address or other address as any party to this Security Agreement may
hereafter designate for such purpose in a written notice to the other party[ies]
as set out in the Loan Documents.

         9.10 SUCCESSORS AND ASSIGNS. This Security Agreement shall be binding
upon, and shall inure to, the benefit of Grantor, Bank, and their respective
successors and assigns.

         9.11 JURISDICTION. Without excluding any other jurisdiction, Grantor
and Bank consent to, and waive any objection to, the jurisdiction and venue of
the District Court of Tulsa

                                       15
<PAGE>

County, State of Oklahoma, or the United States District Court for the Northern
District of Oklahoma, in any proceeding brought in connection with this Security
Agreement.

         IN WITNESS WHEREOF, Grantor and Bank have caused this Security
Agreement to be duly executed and delivered, individually or by their proper and
duly authorized officers, as of the day and year first above written.

                                      GRANTOR:

                                      GREYSTONE MANUFACTURING, L.L.C.,
                                      AN OKLAHOMA LIMITED LIABILITY COMPANY

                                      By: /s/ Warren Kruger
                                          -----------------------------
                                          Warren Kruger, Manager

STATE OF OKLAHOMA )
                  ) ss.
COUNTY OF TULSA   )

         On this 4th day of March, 2005, before me, the undersigned Notary
Public in and for said County and State, personally appeared Warren Kruger, as
Manager of GREYSTONE MANUFACTURING, L.L.C., who executed the foregoing
instrument on behalf of said corporation for the purposes therein expressed.

         In witness whereof, I have hereunto set my hand and official seal the
day and year last above written.

                                            /s/ Kay Maness
                                            ---------------------------
                                            Notary Public Signature

My commission expires:                      My Commission Number:

June 2, 2006                                02007996

       [ S E A L ]

                                       16
<PAGE>

                                      BANK:

                                      THE F&M BANK & TRUST COMPANY

                                      By: /s/ J. Steven McNeely
                                          ----------------------------
                                          J. Steven McNeely
                                          Senior Executive Vice President

                                       17EXHIBIT 10.5
                                                                    ------------
                                    MORTGAGE

THIS MORTGAGE DATED MARCH 4, 2005, IS MADE AND EXECUTED BETWEEN GREYSTONE
MANUFACTURING, L.L.C., WHOSE ADDRESS IS 1613 E. 15TH STREET, TULSA, OK 74120; A
LIMITED LIABILITY COMPANY (REFERRED TO BELOW AS "GRANTOR") AND THE F&M BANK &
TRUST COMPANY, WHOSE ADDRESS IS 1330 S. HARVARD (P.O. BOX 4500-74159), TULSA, OK
74112 (REFERRED TO BELOW AS "LENDER").

GRANTOR OF MORTGAGE. For valuable consideration, Grantor mortgages and conveys
to Lender and grants to Lender a security interest in all of Grantor's right,
title, and interest in and to the following described real property, together
with all existing or subsequently erected or affixed buildings, improvements and
fixtures; rents and profits; all easements, rights of way, and appurtenances;
all water, water rights, watercourses and ditch rights (including stock in
utilities with ditch or irrigation rights); and all other rights, royalties, and
profits relating to the real property, including without limitation all
minerals, oil, gas, geothermal and similar matters (THE "REAL PROPERTY"),
LOCATED IN SCOTT COUNTY, STATE OF IOWA:

            TRACT 2 - LOT 3, IN RIVERSIDE DEVELOPMENT PARK, 5TH ADDITION, TO THE
            CITY OF BETTENDORF, SCOTT COUNTY, IOWA; AND

            TRACT 1 - LOT 2 IN RIVERSIDE DEVELOPMENT PARK, 3RD ADDITION TO THE
            CITY OF BETTENDORF, SCOTT COUNTY, IOWA

THE REAL PROPERTY OR ITS ADDRESS IS COMMONLY KNOWN AS 2600 SHORELINE DRIVE AND
2601 SHORELINE DRIVE, BETTENDORF, IA 52722.

Grantor presently assigns to lender all of Grantor's right, title, and interest
in and to all present and future leases of the Property and all Rents from the
Property. In addition, Grantor grants to Lender a Uniform Commercial Code
security interest in the Personal Property and Rents. The lien on the rents
granted in this Mortgage shall be effective from the date of the Mortgage and
not just in the event of default.

THIS MORTGAGE, INCLUDING THE ASSIGNMENT OF RENTS AND THE SECURITY INTEREST IN
THE RENTS AND PERSONAL PROPERTY, IS GIVEN TO SECURE (A) PAYMENT OF THE
INDEBTEDNESS AND (B) PERFORMANCE OF ANY AND ALL OBLIGATIONS UNDER THE NOTE, THE
RELATED DOCUMENTS, AND THIS MORTGAGE. THIS MORTGAGE IS GIVEN AND ACCEPTED ON THE
FOLLOWING TERMS:

PAYMENT AND PERFORMANCE. Except as otherwise provided in this Mortgage, Grantor
shall pay to lender all amounts secured by this Mortgage as they become due and
shall strictly perform all of Grantor's obligations under this Mortgage.

POSSESSION AND MAINTENANCE OF THE PROPERTY. Grantor agrees that Grantor's
possession and use of the Property shall be governed by the following
provisions: None of the collateral for the Indebtedness constitutes, and none of
the funds represented by the Indebtedness will be used to purchase: (1)
Agricultural products or property used for an agricultural purpose as defined in
Iowa Code Section 535.13; (2) Agricultural land as defined in Iowa Code Section
9H1(2) or 175.2(1); or (3) Property used for an agricultural purpose as defined
in Iowa Code Section 570.A.1(2). Grantor represents and warrants that: (1) There
are not now and will not be any wells situated on the Property; (2) There are
not now and will not be any solid waste disposal sites on the Property; (3)
There are not now and there will not be any hazardous wastes on the Property;
(4) There are not now and there will not be any underground storage tanks on the
Property.

      POSSESSION AND USE. Until the occurrence of an Event of Default, Grantor
      may (1) remain in possession and control of the Property; (2) use, operate
      or manage the Property; and (3) collect the Rents from the Property.

      DUTY TO MAINTAIN. Grantor shall maintain the Property in tenantable
      condition and promptly perform all repairs, replacements, and maintenance
      necessary to preserve its value.
<PAGE>

      COMPLIANCE WITH ENVIRONMENTAL LAWS. Grantor represents and warrants to
      Lender that: (1) During the period of Grantor's ownership of the Property,
      there has been no use, generation, manufacture, storage, treatment,
      disposal, release or threatened release of any Hazardous Substance by any
      person on, under, about or from the Property; (2) Grantor has no knowledge
      of, or reason to believe that there has been, except as previously
      disclosed to and acknowledged by Lender in writing, (a) any breach or
      violation of any Environmental Laws, (b) any use, generation, manufacture,
      storage, treatment, disposal, release or threatened release of any
      Hazardous Substance on, under, about or from the Property by any prior
      owners or occupants of the Property, or (c) any actual or threatened
      litigation or claims of any kind by any person relating to such matters;
      and (3) Except as previously disclosed to and acknowledged by Lender in
      writing, (a) neither Grantor nor any tenant, contractor, agent or other
      authorized user of the Property shall use, generate, manufacture, store,
      treat, dispose of or release any Hazardous Substance on, under, about or
      from the Property; and (b) any such activity shall be conducted in
      compliance with all applicable federal, state, and local laws, regulations
      and ordinances, including without limitation all Environmental Laws.
      Grantor authorizes Lender and its agents to enter upon the Property to
      make such inspections and tests, at Grantor's expense, as Lender may deem
      appropriate to determine compliance of the Property with this section of
      the Mortgage. Any inspections or tests made by Lender shall be for
      Lender's purposes only and shall not be construed to create any
      responsibility or liability on the part of Lender to Grantor or to any
      other person. The representations and warranties contained herein are
      based on Grantor's due diligence in investigating the Property for
      Hazardous Substances. Grantor hereby (1) releases and waives any future
      claims against Lender for indemnity or contribution in the event Grantor
      becomes liable for cleanup or other costs under any such laws; and (2)
      agrees to indemnify and hold harmless Lender against any and all claims,
      losses, liabilities, damages, penalties, and expenses which Lender may
      directly or indirectly sustain or suffer resulting from a breach of this
      section of the Mortgage or as a consequence of any use, generation,
      manufacture, storage, disposal, release or threatened release occurring
      prior to Grantor's ownership or interest in the Property, whether or not
      the same was or should have been known to Grantor. The provisions of this
      section of the Mortgage, including the obligation to indemnify, shall
      survive the payment of the Indebtedness and the satisfaction and
      reconveyance of the lien of this Mortgage and shall not be affected by
      Lender's acquisition of any interest in the Property, whether by
      foreclosure or otherwise.

      NUISANCE, WASTE. Grantor shall not cause, conduct or permit any nuisance
      nor commit, permit, or suffer any stripping of or waste on or to the
      Property or any portion of the Property. Without limiting the generality
      of the foregoing, Grantor will not remove, or grant to any other party the
      right to remove, any timber, minerals (including oil and gas), coal, clay,
      scoria, soil, gravel or rock products without Lender's prior written
      consent.

      REMOVAL OF IMPROVEMENTS. Grantor shall not demolish or remove any
      Improvements from the Real Property without Lender's prior written
      consent. As a condition to the removal of any Improvements, Lender may
      require Grantor to make arrangements satisfactory to Lender to replace
      such Improvements with Improvements of at least equal value.

      LENDER'S RIGHT TO ENTER. Lender and Lender's agents and representatives
      may enter upon the Real Property at all reasonable times to attend to
      Lender's interests and to inspect the Real Property for purposes of
      Grantor's compliance with the terms and conditions of this Mortgage.

      COMPLIANCE WITH GOVERNMENTAL REQUIREMENTS. Grantor shall promptly comply
      with all laws, ordinances, and regulations, now or hereafter in effect, of
      all governmental authorities applicable to the use or occupancy of the
      Property, including without limitation, the Americans With Disabilities
      Act. Grantor may contest in good faith any such law, ordinance, or
      regulation and withhold compliance during any proceeding, including
      appropriate appeals, so long as Grantor has notified Lender in writing
      prior to doing so and so long as, in Lender's sole opinion, Lender's
      interests in the Property are not jeopardized. Lender may require Grantor
      to post adequate security or a surety bond, reasonably satisfactory to
      Lender, to protect Lender's interest.

      DUTY TO PROTECT. Grantor agrees neither to abandon or leave unattended the
      Property. Grantor shall do all other acts, in addition to those acts set
      forth above in this section, which from the character and use of the
      Property are reasonably necessary to protect and preserve the Property.

DUE ON SALE - CONSENT BY LENDER. Lender may, at Lender's option, declare
immediately due and payable all sums secured by this Mortgage upon the sale or
transfer, without Lender's prior written consent, of all or any part of the Real
Property, or any interest in the Real Property. A "sale or transfer" means the
conveyance of Real

                                       2
<PAGE>

Property or any right, title or interest in the Real Property; whether legal,
beneficial or equitable; whether voluntary or involuntary; whether by outright
sale, deed, installment sale contract, land contract, contract for deed,
leasehold interest with a term greater than three (3) years, lease-option
contract, or by sale, assignment, or transfer of any beneficial interest in or
to any land trust holding title to the Real Property, or by any other method of
conveyance of an interest in the Real Property. If any Grantor is a corporation,
partnership or limited liability company, transfer also includes any change in
ownership of more than twenty-five percent (25%) of the voting stock,
partnership interests or limited liability company interests, as the case may
be, of such Grantor. However, this option shall not be exercised by Lender if
such exercise is prohibited by federal law or by Iowa law.

TAXES AND LIENS. The following provisions relating to the taxes and liens on the
Property are part of this Mortgage:

      PAYMENT. Grantor shall pay when due (and in all events prior to
      delinquency) all taxes, payroll taxes, special taxes, assessments, water
      charges and sewer service charges levied against or on account of the
      Property, and shall pay when due all claims for work done on or for
      services rendered or material furnished to the Property. Grantor shall
      maintain the Property free of any liens having priority over or equal to
      the interest of Lender under this Mortgage, except for the Existing
      Indebtedness referred to in this Mortgage or those liens specifically
      agreed to in writing by Lender, and except for the lien of taxes and
      assessments not due as further specified in the Right to Contest
      paragraph.

      RIGHT TO CONTEST. Grantor may withhold payment of any tax, assessment, or
      claim in connection with a good faith dispute over the obligation to pay,
      so long as Lender's interest in the Property is not jeopardized. If a lien
      arises or is filed as a result of nonpayment, Grantor shall within fifteen
      (15) days after the lien arises or, if a lien is filed, within fifteen
      (15) days after Grantor has notice of the filing, secure the discharge of
      the lien, or if requested by Lender, deposit with Lender cash or a
      sufficient corporate surety bond or other security satisfactory to Lender
      in an amount sufficient to discharge the lien plus any costs and
      attorneys' fees, or other charges that could accrue as a result of a
      foreclosure or sale under the lien. In any contest, Grantor shall defend
      itself and Lender and shall satisfy any adverse judgment before
      enforcement against the Property. Grantor shall name Lender as an
      additional obligee under any surety bond furnished in the contest
      proceedings.

      EVIDENCE OF PAYMENT. Grantor shall upon demand furnish to Lender
      satisfactory evidence of payment of the taxes or assessments and shall
      authorize the appropriate governmental official to deliver to Lender at
      any time a written statement of the taxes and assessments against the
      Property.

      NOTICE OF CONSTRUCTION. Grantor shall notify Lender at least fifteen (15)
      days before any work is commenced, any services are furnished, or any
      materials are supplied to the Property, if any mechanic's lien,
      materialmen's lien, or other lien could be asserted on account of the
      work, services, or materials. Grantor will upon request of Lender furnish
      to Lender advance assurances satisfactory to Lender that Grantor can and
      will pay the cost of such Improvements.

PROPERTY DAMAGE INSURANCE. The following provisions relating to insuring the
Property are a part of this Mortgage:

      MAINTENANCE OF INSURANCE. Grantor shall procure and maintain policies of
      fire insurance with standard extended coverage endorsements on a
      replacement basis for the full insurable value covering all Improvements
      on the Real Property in an amount sufficient to avoid application of any
      coinsurance clause, and with a standard mortgagee clause in favor of
      Lender. Grantor shall also procure and maintain comprehensive general
      liability insurance in such coverage amounts as Lender may request with
      Lender being named as additional insureds in such liability Insurance
      policies. Additionally, Grantor shall maintain such other insurance,
      including but not limited to hazard, business interruption and boiler
      insurance as Lender may require. Policies shall be written by such
      insurance companies and in such form as may be reasonably acceptable to
      Lender. Grantor shall deliver to Lender certificates of coverage from each
      insurer containing a stipulation that coverage will not be cancelled or
      diminished without a minimum of ten (10) days' prior written notice to
      Lender and not containing any disclaimer of the insurer's liability for
      failure to give such notice. Each insurance policy also shall include an
      endorsement providing that coverage in favor of Lender will not be
      impaired in any way by any act, omission or default of Grantor or any
      other person. Should the Real Property be located in an area designated by
      the Director of the Federal Emergency Management Agency as a special flood
      hazard area, Grantor agrees to obtain

                                       3
<PAGE>

      and maintain Federal Flood Insurance, if available, within 45 days after
      notice is given by Lender that the Property is located in a special flood
      hazard area, for the full unpaid principal balance of the loan and any
      prior liens on the property securing the loan, up to the maximum policy
      limits set under the National Flood Insurance Program, or as otherwise
      required by Lender, and to maintain such insurance for the term of the
      loan.

      APPLICATION OF PROCEEDS. Grantor shall promptly notify Lender of any loss
      or damage to the Property. Lender may make proof of loss if Grantor fails
      to do so within fifteen (15) days of the casualty. Whether or not Lender's
      security is impaired, Lender may, at Lender's election, receive and retain
      the proceeds of any insurance and apply the proceeds to the reduction of
      the Indebtedness, payment of any lien affecting the Property, or the
      restoration and repair of the Property. If Lender elects to apply the
      proceeds to restoration and repair, Grantor shall repair or replace the
      damaged or destroyed Improvements in a manner satisfactory to Lender.
      Lender shall, upon satisfactory proof of such expenditure, pay or
      reimburse Grantor from the proceeds for the reasonable cost of repair or
      restoration if Grantor is not in default under this Mortgage. Any proceeds
      which have not been disbursed within 180 days after their receipt and
      which Lender has not committed to the repair or restoration of the
      Property shall be used first to pay any amount owing to Lender under this
      Mortgage, then to pay accrued interest, and the remainder, if any, shall
      be applied to the principal balance of the indebtedness. If Lender holds
      any proceeds after payment in full of the Indebtedness, such proceeds
      shall be paid to Grantor as Grantor's interests may appear.

      COMPLIANCE WITH EXISTING INDEBTEDNESS. During the period in which any
      Existing Indebtedness described below is in effect, compliance with the
      insurance provisions contained in the instrument evidencing such Existing
      Indebtedness shall constitute compliance with the insurance provisions
      under this Mortgage, to the extent compliance with the terms of this
      Mortgage would constitute a duplication of insurance requirement. If any
      proceeds from the insurance become payable on loss, the provisions in this
      Mortgage for division of proceeds shall apply only to that portion of the
      proceeds not payable to the holder of the Existing Indebtedness.

      GRANTOR'S REPORT ON INSURANCE. Upon request of Lender, however not more
      than once a year, Grantor shall furnish to Lender a report on each
      existing policy of insurance showing: (1) the name of the insured; (2) the
      risks insured; (3) the amount of the policy; (4) the property insured, the
      then current replacement value of such property, and the manner of
      determining that value; and (5) the expiration date of the policy. Grantor
      shall, upon request of Lender, have an independent appraiser satisfactory
      to Lender determine the cash value replacement cost of the Property.

LENDER'S EXPENDITURES. If any action or proceeding is commenced that would
materially affect Lender's interest in the Property or if Grantor fails to
comply with any provision of this Mortgage or any Related Documents, including
but not limited to Grantor's failure to comply with any obligation to maintain
Existing Indebtedness in good standing as required below, or to discharge or pay
when due any amounts Grantor is required to discharge or pay under this Mortgage
or any Related Documents, Lender on Grantor's behalf may (but shall not be
obligated to) take any action that Lender deems appropriate, including but not
limited to discharging or paying all taxes, liens, security interests,
encumbrances and other claims, at any time levied or placed on the Property and
paying all costs for insuring, maintaining and preserving the Property. All such
expenditures incurred or paid by Lender for such purposes will then bear
interest at the rate charged under the Note or at the highest rate authorized by
law, from the date incurred or paid by Lender to the date of repayment by
Grantor. All such expenses will become a part of the Indebtedness and, at
Lender's option, will (A) be payable on demand; (B) be added to the balance of
the Note and be apportioned among and be payable with any installment payments
to become due during either (1) the term of any applicable insurance policy; or
(2) the remaining term of the Note; or (C) be treated as a balloon payment which
will be due and payable at the Note's maturity. The Mortgage also will secure
payment of these amounts. Such right shall be in addition to all other rights
and remedies to which Lender may be entitled upon Default.

WARRANTY; DEFENSE OF TITLE. The following provisions relating to ownership of
the Property are a part of this Mortgage:

      TITLE. Grantor warrants that: (a) Grantor holds good and marketable title
      of record to the Property in fee simple, free and clear of all liens and
      encumbrances other than those set forth in the Real Property description
      or in the Existing Indebtedness section below or in any title insurance
      policy, title report, or final title opinion issued in favor of, and
      accepted by, Lender in connection with this Mortgage, (b) Grantor has the
      full right, power, and authority to execute and deliver this Mortgage to
      Lender, and (c) the liens granted hereby are not the type of

                                       4
<PAGE>

      lien referred to in Chapter 575 of the Iowa Code Supplement, as now
      enacted or hereafter modified, amended or replaced. Grantor, for itself
      and all persons claiming by, through or under Grantor, agrees that it
      claims no lien or right to a lien of the type contemplated by Chapter 575
      or any other chapter of the Code of Iowa and further waives all notices
      and rights pursuant to said law with respect to the liens hereby granted,
      and represents and warrants that it is the sole party entitled to do so
      and agrees to indemnify and hold harmless Lender from any loss, damage,
      and costs, including reasonable attorneys' fees, threatened or suffered by
      Lender arising either directly or indirectly as a result of any claim of
      the applicability of said law to the liens hereby granted.

      DEFENSE OF TITLE. Subject to the exception in the paragraph above, Grantor
      warrants and will forever defend the title to the Property against the
      lawful claims of all persons. In the event any action or proceeding is
      commenced that questions Grantor's title or the interest of Lender under
      this Mortgage, Grantor shall defend the action at Grantor's expense.
      Grantor may be the nominal party in such proceeding, but Lender shall be
      entitled to participate in the proceeding and to be represented in the
      proceeding by counsel of Lender's own choice, and Grantor will deliver, or
      cause to be delivered, to Lender such instruments as Lender may request
      from time to time to permit such participation.

      COMPLIANCE WITH LAWS. Grantor warrants that the Property and Grantor's use
      of the Property complies with all existing applicable laws, ordinances,
      and regulations of governmental authorities.

      SURVIVAL OF REPRESENTATIONS AND WARRANTIES. All representations,
      warranties, and agreements made by Grantor in this Mortgage shall survive
      the execution and delivery of this Mortgage, shall be continuing in
      nature, and shall remain in full force and effect until such time as
      Grantor's Indebtedness shall be paid in full.

EXISTING INDEBTEDNESS. The following provisions concerning Existing Indebtedness
are a part of this Mortgage:

      EXISTING LIEN. The lien of this Mortgage securing the Indebtedness may be
      secondary and inferior to the lien securing payment of an existing
      obligation. The existing obligation has a current principal balance of
      approximately $2,319,443.00. Grantor expressly covenants and agrees to
      pay, or see to the payment of, the Existing Indebtedness and to prevent
      any default on such indebtedness, any default under the instruments
      evidencing such indebtedness, or any default under any security documents
      for such indebtedness.

      NO MODIFICATION. Grantor shall not enter into any agreement with the
      holder of any mortgage, deed of trust, or other security agreement which
      has priority over this Mortgage by which that agreement is modified,
      amended, extended, or renewed without the prior written consent of Lender.
      Grantor shall neither request nor accept any future advances under any
      such security agreement without the prior written consent of Lender.

CONDEMNATION. The following provisions relating to condemnation proceedings are
a part of this Mortgage:

      PROCEEDINGS. If any proceeding in condemnation is filed, Grantor shall
      promptly notify Lender in writing, and Grantor shall promptly take such
      steps as may be necessary to defend the action and obtain the award.
      Grantor may be the nominal party in such proceeding, but Lender shall be
      entitled to participate in the proceeding and to be represented in the
      proceeding by counsel of its own choice, and Grantor will deliver or cause
      to be delivered to Lender such instruments and documentation as may be
      requested by Lender from time to time to permit such participation.

      APPLICATION OF NET PROCEEDS. If all or any part of the Property is
      condemned by eminent domain proceedings or by any proceeding or purchase
      in lieu of condemnation, Lender may at its election require that all or
      any portion of the net proceeds of the award be applied to the
      Indebtedness or the repair or restoration of the Property. The net
      proceeds of the award shall mean the award after payment of all reasonable
      costs, expenses, and attorneys' fees incurred by Lender in connection with
      the condemnation.

IMPOSITION OF TAXES, FEES AND CHARGES BY GOVERNMENTAL AUTHORITIES. The following
provisions relating to governmental taxes, fees and charges are a part of this
Mortgage:

      CURRENT TAXES, FEES AND CHARGES. Upon request by Lender, Grantor shall
      execute such documents in addition to this Mortgage and take whatever
      other action is requested by Lender to perfect and continue Lender's lien
      on

                                       5
<PAGE>

      the Real Property. Grantor shall reimburse Lender for all taxes, as
      described below, together with all expenses incurred in recording,
      perfecting or continuing this Mortgage, including without limitation all
      taxes, fees, documentary stamps, and other charges for recording or
      registering this Mortgage.

      TAXES. The following shall constitute taxes to which this section applies:
      (1) a specific tax upon this type of Mortgage or upon all or any part of
      the Indebtedness secured by this Mortgage; (2) a specific tax on Grantor
      which Grantor is authorized or required to deduct from payments on the
      Indebtedness secured by this type of Mortgage; (3) a tax on this type of
      Mortgage chargeable against the Lender or the holder of the Note; and (4)
      a specific tax on all or any portion of the Indebtedness or on payments of
      principal and interest made by Grantor.

      SUBSEQUENT TAXES. If any tax to which this section applies is enacted
      subsequent to the date of this Mortgage, this event shall have the same
      effect as an Event of Default, and Lender may exercise any or all of its
      available remedies for an Event of Default as provided below unless
      Grantor either (1) pays the tax before it becomes delinquent, or (2)
      contests the tax as provided above in the Taxes and Liens section and
      deposits with Lender cash or a sufficient corporate surety bond or other
      security satisfactory to Lender.

SECURITY AGREEMENT; FINANCING STATEMENTS. The following provisions relating to
this Mortgage as a security agreement are a part of this Mortgage:

      SECURITY AGREEMENT. This instrument shall constitute a Security Agreement
      to the extent any of the Property constitutes fixtures, and Lender shall
      have all of the rights of a secured party under the Uniform Commercial
      Code as amended from time to time.

      SECURITY INTEREST. Upon request by Lender, Grantor shall take whatever
      action is requested by Lender to perfect and continue Lender's security
      interest in the Rents and Personal Property. In addition to recording this
      Mortgage in the real property records, Lender may, at any time and without
      further authorization from Grantor, file executed counterparts, copies or
      reproductions of this Mortgage as a financing statement. Grantor shall
      reimburse Lender for all expenses incurred in perfecting or continuing
      this security interest. Upon default, Grantor shall not remove, sever or
      detach the Personal Property from the Property. Upon default, Grantor
      shall assemble any Personal Property not affixed to the Property in a
      manner and at a place reasonably convenient to Grantor and Lender and make
      it available to Lender within three (3) days after receipt of written
      demand from Lender to the extent permitted by applicable law.

      FIXTURE FILING. From the date of its recording, this Mortgage shall be
      effective as a financing statement filed as a fixture filing with respect
      to the Personal Property and for this purpose, the name and address of the
      debtor is the name and address of Grantor as set forth on the first page
      of this Mortgage and the name and address of the secured party is the name
      and address of Lender as set forth on the first page of this Mortgage.

      ADDRESSES. The mailing addresses of Grantor (debtor) and Lender (secured
      party) from which information concerning the security interest granted by
      this Mortgage may be obtained (each as required by the Uniform Commercial
      Code) are as stated on the first page of this Mortgage.

FURTHER ASSURANCES; ATTORNEY-IN-FACT. The following provisions relating to
further assurances and attorney-in-fact are a part of this Mortgage:

      FURTHER ASSURANCES. At any time, and from time to time, upon request of
      Lender, Grantor will make, execute and deliver, or will cause to be made,
      executed or delivered, to Lender or to Lender's designee, and when
      requested by Lender, cause to be filed, recorded, refiled, or rerecorded,
      as the case may be, at such times and in such offices and places as Lender
      may deem appropriate, any and all such mortgages, deeds of trust, security
      deeds, security agreements, financing statements, continuation statements,
      instruments of further assurance, certificates, and other documents as
      may, in the sole opinion of Lender, be necessary or desirable in order to
      effectuate, complete, perfect, continue, or preserve (1) Grantor's
      obligations under the Note, this Mortgage, and the Related Documents, and
      (2) the liens and security interests created by this Mortgage on the
      Property, whether now owned or hereafter acquired by Grantor. Unless
      prohibited by law or Lender agrees to the contrary in writing, Grantor
      shall reimburse Lender for all costs and expenses incurred in connection
      with the matters referred to in this paragraph.

                                       6
<PAGE>

      ATTORNEY-IN-FACT. If Grantor fails to do any of the things referred to in
      the preceding paragraph, Lender may do so for and in the name of Grantor
      and at Grantor's expense. For such purposes, Grantor hereby irrevocably
      appoints Lender as Grantor's attorney-in-fact for the purpose of making,
      executing, delivering, filing, recording, and doing all other things as
      may be necessary or desirable, in Lender's sole opinion, to accomplish the
      matters referred to in the preceding paragraph.

FULL PERFORMANCE. If Grantor pays all the Indebtedness when due, and otherwise
performs all the obligations imposed upon Grantor under this Mortgage, Lender
shall execute and deliver to Grantor a suitable satisfaction of this Mortgage
and suitable statements of termination of any financing statement on file
evidencing Lender's security interest in the Rents and the Personal Property.
Grantor will pay, if permitted by applicable law, any reasonable termination fee
as determined by Lender from time to time.

EVENTS OF DEFAULT. Each of the following, at Lender's option, shall constitute
an Event of Default under this Mortgage:

      PAYMENT DEFAULT. Grantor fails to make any payment when due under the
      Indebtedness.

      DEFAULT ON OTHER PAYMENTS. Failure of Grantor within the time required by
      this Mortgage to make any payment for taxes or insurance, or any other
      payment necessary to prevent filing of or to effect discharge of any lien.

      OTHER DEFAULTS. Grantor fails to comply with or to perform any other term,
      obligation, covenant or condition contained in this Mortgage or in any of
      the Related Documents or to comply with or to perform any term,
      obligation, covenant or condition contained in any other agreement between
      Lender and Grantor.

      FALSE STATEMENTS. Any warranty, representation or statement made or
      furnished to Lender by Grantor or on Grantor's behalf under this Mortgage
      or the Related Documents is false or misleading in any material respect,
      either now or at the time made or furnished or becomes false or misleading
      at any time thereafter.

      DEFECTIVE COLLATERALIZATION. This Mortgage or any of the Related Documents
      ceases to be in full force and effect (including failure of any collateral
      document to create a valid and perfected security interest or lien) at any
      time and for any reason.

      DEATH OR INSOLVENCY. The dissolution of Grantor's (regardless of whether
      election to continue is made), any member withdraws from the limited
      liability company, or any other termination of Grantor's existence as a
      going business or the death of any member, the insolvency of Grantor, the
      appointment of a receiver for any part of Grantor's property, any
      assignment for the benefit of creditors, any type of creditor workout, or
      the commencement of any proceeding under any bankruptcy or insolvency laws
      by or against Grantor.

      CREDITOR OR FORFEITURE PROCEEDINGS. Commencement of foreclosure or
      forfeiture proceedings, whether by judicial proceeding, self-help,
      repossession or any other method, by any creditor of Grantor or by any
      governmental agency against any property securing the Indebtedness. This
      includes a garnishment of any of Grantor's accounts, including deposit
      accounts, with Lender. However, this Event of Default shall not apply if
      there is a good faith dispute by Grantor as to the validity or
      reasonableness of the claim which is the basis of the creditor or
      forfeiture proceeding and if Grantor gives Lender written notice of the
      creditor or forfeiture proceeding and deposits with Lender monies or a
      surety bond for the creditor or forfeiture proceeding, in an amount
      determined by Lender, in its sole discretion, as being an adequate reserve
      or bond for the dispute.

      EXISTING INDEBTEDNESS. The payment of any installment of principal or any
      interest on the Existing Indebtedness is not made within the time required
      by the promissory note evidencing such Indebtedness, or a default occurs
      under the instrument securing such Indebtedness and is not cured during
      any applicable grace period in such instrument, or any suit or other
      action is commenced to foreclose any existing lien on the Property.

      BREACH OF OTHER AGREEMENT. Any breach by Grantor under the terms of any
      other agreement between Grantor and Lender that is not remedied within any
      grace period provided therein, including without limitation any agreement
      concerning any indebtedness or other obligation of Grantor to Lender,
      whether existing now or later.

                                       7
<PAGE>

      EVENTS AFFECTING GUARANTOR. Any of the preceding events occurs with
      respect to any guarantor, endorser, surety, or accommodation party of any
      of the indebtedness or any guarantor, endorser, surety, or accommodation
      party dies or becomes incompetent, or revokes or disputes the validity of,
      or liability under, any Guaranty of the Indebtedness.

      ADVERSE CHANGE. A material adverse change occurs in Grantor's financial
      condition, or Lender believes the prospect of payment or performance of
      the Indebtedness is impaired.

      INSECURITY. Lender in good faith believes itself insecure.

RIGHTS AND REMEDIES ON DEFAULT. Upon the occurrence of an Event of Default and
at any time thereafter, Lender, at Lender's option, may exercise any one or more
of the following rights and remedies, in addition to any other rights or
remedies provided by law:

      ACCELERATE INDEBTEDNESS. Lender shall have the right at its option to
      declare the entire Indebtedness immediately due and payable, including any
      prepayment penalty which Grantor would be required to pay without notice,
      except as may be expressly required by applicable law.

      UCC REMEDIES. With respect to all or any part of the Personal Property,
      Lender shall have all the rights and remedies of a secured party under the
      Uniform Commercial Code.

      COLLECT RENTS. Lender shall have the right, without notice to Grantor, to
      take possession of the Property and collect the Rents, including amounts
      past due and unpaid, and apply the net proceeds, over and above Lender's
      costs, against the Indebtedness. In furtherance of this right, Lender may
      require any tenant or other user of the Property to make payments of rent
      or use fees directly to Lender. If the Rents are collected by Lender, then
      Grantor irrevocably designates Lender as Grantor's attorney-in-fact to
      endorse instruments received in payment thereof in the name of Grantor and
      to negotiate the same and collect the proceeds. Payments by tenants or
      other users to Lender in response to Lender's demand shall satisfy the
      obligations for which the payments are made, whether or not any proper
      grounds for the demand existed. Lender may exercise its rights under this
      subparagraph either in person, by agent, or through a receiver.

      APPOINT RECEIVER. Lender shall have the right to have a receiver appointed
      to take possession of all or any part of the Property, with the power to
      protect and preserve the Property, to operate the Property preceding
      foreclosure or sale, and to collect the Rents from the Property and apply
      the proceeds, over and above the cost of the receivership, against the
      Indebtedness. The receiver may serve without bond if permitted by law.
      Lender's right to the appointment of a receiver shall exist whether or not
      the apparent value of the Property exceeds the Indebtedness by a
      substantial amount. Employment by Lender shall not disqualify a person
      from serving as a receiver.

      JUDICIAL FORECLOSURE. Lender may obtain a judicial decree foreclosing
      Grantor's interest in all or any part of the Property.

      NONJUDICIAL FORECLOSURE. Lender may exercise the right to non-judicial
      foreclosure pursuant to Iowa Code Section 654.18 and Chapter 655A as now
      enacted or hereafter modified, amended or replaced.

      DEFICIENCY JUDGMENT. If permitted by applicable law, Lender may obtain a
      judgment for any deficiency remaining in the Indebtedness due to Lender
      after application of all amounts received from the exercise of the rights
      provided in this section.

      TENANCY AT SUFFERANCE. If Grantor remains in possession of the Property
      after the Property is sold as provided above or Lender otherwise becomes
      entitled to possession of the Property upon default of Grantor, Grantor
      shall become a tenant at sufferance of Lender or the purchaser of the
      Property and shall, at Lender's option, either (1) pay a reasonable rental
      for the use of the Property, or (2) vacate the Property immediately upon
      the demand of Lender. This paragraph is subject to any rights of Grantor,
      under Iowa law, to remain in possession of the Property during a
      redemption period.

                                       8
<PAGE>

      OTHER REMEDIES. Lender shall have all other rights and remedies provided
      in this Mortgage or the Note or available at law or in equity.

      SALE OF THE PROPERTY. To the extent permitted by applicable law, Grantor
      hereby waives any and all right to have the Property marshalled. In
      exercising its rights and remedies, Lender shall be free to sell all or
      any part of the Property together or separately, in one sale or by
      separate sales. Lender shall be entitled to bid at any public sale on all
      or any portion of the Property.

      NOTICE OF SALE. Lender shall give Grantor reasonable notice of the time
      and place of any public sale of the Personal Property or of the time after
      which any private sale or other intended disposition of the Personal
      Property is to be made. Reasonable notice shall mean notice given at least
      ten (10) days before the time of the sale or disposition. Any sale of the
      Personal Property may be made in conjunction with any sale of the Real
      Property.

      SHORTENED REDEMPTION. Grantor hereby agrees that, in the event of
      foreclosure of this Mortgage, Lender may, at Lender's sole option, elect
      to reduce the period of redemption pursuant to Iowa Code Sections 628.26,
      628.27, or 628.28, or any other Iowa Code Section, to such time as may be
      then applicable and provided by law.

      ELECTION OF REMEDIES. Election by Lender to pursue any remedy shall not
      exclude pursuit of any other remedy, and an election to make expenditures
      or to take action to perform an obligation of Grantor under this Mortgage,
      after Grantor's failure to perform, shall not affect Lender's right to
      declare a default and exercise its remedies. Nothing under this Mortgage
      or otherwise shall be construed so as to limit or restrict the rights and
      remedies available to Lender following an Event of Default, or in any way
      to limit or restrict the rights and ability of Lender to proceed directly
      against Grantor and/or against any other co-maker, guarantor, surety or
      endorser and/or to proceed against any other collateral directly or
      indirectly securing the Indebtedness.

      ATTORNEYS' FEES; EXPENSES. If Lender institutes any suit or action to
      enforce any of the terms of this Mortgage, Lender shall be entitled to
      recover such sum as the court may adjudge reasonable as attorneys' fees at
      trial and upon any appeal. Whether or not any court action is involved,
      and to the extent not prohibited by law, all reasonable expenses Lender
      incurs that in Lender's opinion are necessary at any time for the
      protection of its interest or the enforcement of its rights shall become a
      part of the Indebtedness payable on demand and shall bear interest at the
      Note rate from the date of the expenditure until repaid. Expenses covered
      by this paragraph include, without limitation, however subject to any
      limits under applicable law, Lender's attorneys' fees and Lender's legal
      expenses, whether or not there is a lawsuit, including attorneys' fees and
      expenses for bankruptcy proceedings (including efforts to modify or vacate
      any automatic stay or injunction), appeals, and any anticipated post
      judgment collection services, the cost of searching records, obtaining
      title reports (including foreclosure reports), surveyors' reports, and
      appraisal fees and title insurance, to the extent permitted by applicable
      law. Grantor also will pay any court costs, in addition to all other sums
      provided by law.

NOTICES. Any notice required to be given under this Mortgage, including without
limitation any notice of default and any notice of sale shall be given in
writing, and shall be effective when actually delivered, when actually received
by telefacsimile (unless otherwise required by law), when deposited with a
nationally recognized overnight courier, or, if mailed, when deposited in the
United States mail, as first class, certified or registered mail postage
prepaid, directed to the addresses shown near the beginning of this Mortgage.
All copies of notices of foreclosure from the holder of any lien which has
priority over this Mortgage shall be sent to Lender's address, as shown near the
beginning of this Mortgage. Any party may change its address for notices under
this Mortgage by giving formal written notice to the other parties, specifying
that the purpose of the notice is to change the party's address. For notice
purposes, Grantor agrees to keep Lender informed at all times of Grantor's
current address. Unless otherwise provided or required by law, if there is more
than one Grantor, any notice given by Lender to any Grantor is deemed to be
notice given to all Grantors.

MORTGAGE AMOUNT CLARIFICATION. This mortgage covers two (2) notes totaling
$7,000,000.00.

MISCELLANEOUS PROVISIONS. The following miscellaneous provisions are a part of
this Mortgage:

      AMENDMENTS. This Mortgage, together with any Related Documents,
      constitutes the entire understanding and agreement of the parties as to
      the matters set forth in this Mortgage. No alteration of or amendment to
      this

                                       9
<PAGE>

      Mortgage shall be effective unless given in writing and signed by the
      party or parties sought to be charged or bound by the alteration or
      amendment.

      ANNUAL REPORTS. If the Property is used for purposes other than Grantor's
      residence, Grantor shall furnish to Lender, upon request, a certified
      statement of net operating income received from the Property during
      Grantor's previous fiscal year in such form and detail as Lender shall
      require. "Net operating income" shall mean all cash receipts from the
      Property less all cash expenditures made in connection with the operation
      of the Property.

      CAPTION HEADINGS. Caption headings in this Mortgage are for convenience
      purposes only and are not to be used to interpret or define the provisions
      of this Mortgage.

      GOVERNING LAW. WITH RESPECT TO PROCEDURAL MATTERS RELATED TO THE
      PERFECTION AND ENFORCEMENT OF LENDER'S RIGHTS AGAINST THE PROPERTY, THIS
      MORTGAGE WILL BE GOVERNED BY FEDERAL LAW APPLICABLE TO LENDER AND TO THE
      EXTENT NOT PREEMPTED BY FEDERAL LAW, THE LAWS OF THE STATE OF IOWA. IN ALL
      OTHER RESPECTS, THIS MORTGAGE WILL BE GOVERNED BY FEDERAL LAW APPLICABLE
      TO LENDER AND, TO THE EXTENT NOT PREEMPTED BY FEDERAL LAW, THE LAWS OF THE
      STATE OF OKLAHOMA WITHOUT REGARD TO ITS CONFLICTS OF LAW PROVISIONS.
      HOWEVER, IF THERE EVER IS A QUESTION ABOUT WHETHER ANY PROVISION OF THIS
      MORTGAGE IS VALID OR ENFORCEABLE, THE PROVISION THAT IS QUESTIONED WILL BE
      GOVERNED BY WHICHEVER STATE OR FEDERAL LAW WOULD FIND THE PROVISION TO BE
      VALID AND ENFORCEABLE. THE LOAN TRANSACTION THAT IS EVIDENCED BY THE NOTE
      AND THIS MORTGAGE HAS BEEN APPLIED FOR, CONSIDERED, APPROVED AND MADE, AND
      ALL NECESSARY LOAN DOCUMENTS HAVE BEEN ACCEPTED BY LENDER IN THE STATE OF
      OKLAHOMA.

      NO WAIVER BY LENDER. Lender shall not be deemed to have waived any rights
      under this Mortgage unless such waiver is given in writing and signed by
      Lender. No delay or omission on the part of Lender in exercising any right
      shall operate as a waiver of such right or any other right. A waiver by
      Lender of a provision of this Mortgage shall not prejudice or constitute a
      waiver of Lender's right otherwise to demand strict compliance with that
      provision or any other provision of this Mortgage. No prior waiver by
      Lender, nor any course of dealing between Lender and Grantor, shall
      constitute a waiver of any of Lender's rights or of any of Grantor's
      obligations as to any future transactions. Whenever the consent of Lender
      is required under this Mortgage, the granting of such consent by Lender in
      any instance shall not constitute continuing consent to subsequent
      instances where such consent is required and in at cases such consent may
      be granted or withheld in the sole discretion of Lender.

      SEVERABILITY. If a court of competent jurisdiction finds any provision of
      this Mortgage to be illegal, invalid, or unenforceable as to any
      circumstance, that finding shall not make the offending provision illegal,
      invalid, or unenforceable as to any other circumstance. If feasible, the
      offending provision shall be considered modified so that it becomes legal,
      valid and enforceable. If the offending provision cannot be so modified,
      it shall be considered deleted from this Mortgage. Unless otherwise
      required by law, the illegality, invalidity, or unenforceability of any
      provision of this Mortgage shall not affect the legality, validity or
      enforceability of any other provision of this Mortgage.

      MERGER. There shall be no merger of the interest or estate created by this
      Mortgage with any other interest or estate in the Property at any time
      held by or for the benefit of Lender in any capacity, without the written
      consent of Lender.

      SUCCESSORS AND ASSIGNS. Subject to any limitations stated in this Mortgage
      on transfer of Grantor's interest, this Mortgage shall be binding upon and
      inure to the benefit of the parties, their successors and assigns. If
      ownership of the Property becomes vested in a person other than Grantor,
      Lender, without notice to Grantor, may deal with Grantor's successors with
      reference to this Mortgage and the Indebtedness by way of forbearance or
      extension without releasing Grantor from the obligations of this Mortgage
      or liability under the Indebtedness.

      TIME IS OF THE ESSENCE. Time is of the essence in the performance of this
      Mortgage.

      WAIVE JURY. ALL PARTIES TO THIS MORTGAGE HEREBY WAIVE THE RIGHT TO ANY
      JURY TRIAL IN ANY ACTION, PROCEEDING, OR COUNTERCLAIM BROUGHT BY ANY PARTY
      AGAINST ANY OTHER PARTY.

                                       10
<PAGE>

      RELEASE OF RIGHTS OF DOWER, HOMESTEAD AND DISTRIBUTIVE SHARE. Each of the
      undersigned hereby relinquishes all rights of dower, homestead and
      distributive share in and to the Property and waives all rights of
      exemption as to any of the Property. If a Grantor is not an owner of the
      Property, that Grantor executes this Mortgage for the sole purpose of
      relinquishing and waiving such rights.

DEFINITIONS. The following capitalized words and terms shall have the following
meanings when used in this Mortgage. Unless specifically stated to the contrary,
all references to dollar amounts shall mean amounts in lawful money of the
United States of America. Words and terms used in the singular shall include the
plural, and the plural shall include the singular, as the context may require.
Words and terms not otherwise defined in this Mortgage shall have the meanings
attributed to such terms in the Uniform Commercial Code:

      BORROWER. The word "Borrower" means GREYSTONE MANUFACTURING, L.L.C. and
      includes all co-signers and co-makers signing the Note.

      DEFAULT. The word "Default" means the Default set forth in this Mortgage
      in the section titled "Default".

      ENVIRONMENTAL LAWS. The words "Environmental Laws" mean any and all state,
      federal and local statutes, regulations and ordinances relating to the
      protection of human health or the environment, including without
      limitation the Comprehensive Environmental Response, Compensation, and
      Liability Act of 1980, as amended, 42 U.S.C. Section 9601, et seq.
      ("CERCLA"), the Superfund Amendments and Reauthorization Act of 1986, Pub.
      L. No. 99-499 ("SARA"), the Hazardous Materials Transportation Act, 49
      U.S.C. Section 1801, et seq., the Resource Conservation and Recovery Act,
      42 U.S.C. Section 6901, et seq., or other applicable state or federal
      laws, rules, or regulations adopted pursuant thereto.

      EVENT OF DEFAULT. The words "Event of Default" mean any of the events of
      default set forth in this Mortgage in the events of default section of
      this Mortgage.

      EXISTING INDEBTEDNESS. The words "Existing Indebtedness" mean the
      indebtedness described in the Existing Liens provision of this Mortgage.

      GRANTOR. The word "Grantor" means GREYSTONE MANUFACTURING, L.L.C.

      GUARANTY. The word "Guaranty" means the guaranty from guarantor, endorser,
      surety, or accommodation party to Lender, including without limitation a
      guaranty of all or part of the Note.

      HAZARDOUS SUBSTANCES. The words "Hazardous Substances" mean materials
      that, because of their quantity, concentration or physical, chemical or
      infectious characteristics, may cause or pose a present or potential
      hazard to human health or the environment when improperly used, treated,
      stored, disposed of, generated, manufactured, transported or otherwise
      handled. The words "Hazardous Substances" are used in their very broadest
      sense and include without limitation any and all hazardous or toxic
      substances, materials or waste as defined by or listed under the
      Environmental Laws. The term "Hazardous Substances" also includes, without
      limitation, petroleum and petroleum by-products or any fraction thereof
      and asbestos.

      IMPROVEMENTS. The word "Improvements" means all existing and future
      improvements, buildings, structures, mobile homes affixed on the Real
      Property, facilities, additions, replacements and other construction on
      the Real Property.

      INDEBTEDNESS. The word "Indebtedness" means all principal, interest and
      late fees, and other amounts, costs and expenses payable under the Note or
      Related Documents, together with all renewals of, extensions of,
      modifications of, consolidations of and substitutions for the Note or
      Related Documents and any amounts expended or advanced by Lender to
      discharge Grantor's obligations or expenses incurred by Lender to enforce
      Grantor's obligations under this Mortgage, together with interest on such
      amounts as provided in this Mortgage.

      LENDER. The word "Lender" means THE F&M BANK & TRUST COMPANY, its
      successors and assigns.

      MORTGAGE. The word "Mortgage" means this Mortgage between Grantor and
      Lender.

                                       11
<PAGE>

      NOTE. The word "Note" means the promissory note dated March 4, 2005, IN
      THE ORIGINAL PRINCIPAL AMOUNT OF $7,000,000.00 from Grantor to Lender,
      together with all renewals of, extensions of, modifications of,
      refinancings of, consolidations of, and substitutions for the promissory
      note or agreement. The maturity date of this Mortgage is March 15, 2008.
      NOTICE TO GRANTOR: THE NOTE CONTAINS A VARIABLE INTEREST RATE.

      PERSONAL PROPERTY. The words "Personal Property" mean all equipment,
      fixtures, and other articles of personal property now or hereafter owned
      by Grantor, and now or hereafter attached or affixed to the Real Property;
      together with all accessions, parts, and additions to, all replacements
      of, and all substitutions for, any of such property; and together with all
      proceeds (including without limitation all insurance proceeds and refunds
      of premiums) from any sale or other disposition of the Property.

      PROPERTY. The word "Property" means collectively the Real Property and the
      Personal Property.

      REAL PROPERTY. The words "Real Property" mean the real property, interests
      and rights, as further described in this Mortgage.

      RELATED DOCUMENTS. The words "Related Documents" mean all promissory
      notes, credit agreements, loan agreements, environmental agreements,
      guaranties, security agreements, mortgages, deeds of trust, security
      deeds, collateral mortgages, and all other instruments, agreements and
      documents, whether now or hereafter existing, executed in connection with
      the Indebtedness.

      RENTS. The word "Rents" means all present and future rents, revenues,
      income, issues, royalties, profits, and other benefits derived from the
      Property.

GRANTOR ACKNOWLEDGES HAVING READ ALL THE PROVISIONS OF THIS MORTGAGE, AND
GRANTOR AGREES TO ITS TERMS.

GRANTOR:

GREYSTONE MANUFACTURING, L.L.C.

BY: /S/ WARREN F. KRUGER
   ---------------------------------------
   WARREN F. KRUGER, MANAGER, PRESIDENT & CEO OF GREYSTONE
   MANUFACTURING, L.LC.

                                       12
<PAGE>

                    LIMITED LIABILITY COMPANY ACKNOWLEDGEMENT

STATE OF OKLAHOMA   )
                    )  SS.
COUNTY OF TULSA     )

On this 4th day of March, A.D., 2005, before me, the undersigned Notary Public
in said County and State, personally appeared WARREN F. KRUGER, MANAGER,
PRESIDENT & CEO OF GREYSTONE MANUFACTURING, L.L.C., to me personally known, who
being by me duly sworn, did say that he or she is member or designated agent of
said limited liability company, and that the instrument was signed and sealed on
behalf of the limited liability company by authority of the limited liability
company and the member or designated agent acknowledged the execution of the
instrument to be the voluntary act and deed of the limited liability company by
it and by the member or designated agent voluntarily executed.

                                       /s/ Kay Maness
                                       -----------------------------------------
                                       Notary Public in the State of Oklahoma

My Commission Expires:

June 2, 2006

Commission No. 02007996

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