Commodity Credit Corporation payments such as payments related to the bioenergy program described at 7 C.F.R. Part 1424), including without limitation all management contracts, supply contracts, off-take contracts, all railroad, trucking and other transportation contracts, and all power contracts, insurance claims and proceeds, tort claims, and all general intangibles including, without limitation, all payment intangibles, patents, patent applications, trademarks, trademark applications, trade names, copyrights, copyright applications, software, engineering drawings, service marks, customer lists, goodwill, and all licenses, permits, agreements of any kind or nature pursuant to which Borrower possesses, uses or has authority to possess or use property (whether tangible or intangible) of others or others possess, use or have authority to possess or use property (whether tangible or intangible) of Borrower, and all recorded data of any kind or nature, regardless of the medium of recording including, without limitation, all software, writings, plans, specifications and schematics. Lender acknowledges that the attachment of its security interest in any commercial tort claim as original collateral is subject to Borrower’s compliance with Section 4.07 .

3.                                       Authorization to File Financing Statements . Borrower hereby irrevocably authorizes Lender at any time and from time to time to file in any Uniform Commercial Code jurisdiction any initial financing statements and amendments thereto that (a) indicate the Collateral (i) as all assets of Borrower or words of similar effect, regardless of whether any particular asset comprised in the Collateral falls within the scope of Article 9 of the Uniform Commercial Code of the State or such jurisdiction, or (ii) as being of an equal or lesser scope or with greater detail, and (b) contain any other information required by Article 9 of the Uniform Commercial Code of the State or any other state for the sufficiency or filing office acceptance of any financing statement or amendment, including (i) whether Borrower is an organization, the type of organization and any organization identification number issued to Borrower and, (ii) in the case of a financing statement filed as a fixture filing or indicating Collateral as as-extracted collateral or timber to be cut, a sufficient description of real property to which the Collateral relates. Borrower agrees to furnish any such information to Lender promptly upon request. Borrower also ratifies its authorization for Lender to have filed in any Uniform Commercial Code jurisdiction any like initial financing statements or amendments thereto if filed prior to the date hereof.

4.                                       Other Actions . Further to insure the attachment, perfection and first priority of, and the ability of Lender to enforce, Lender’s security interest in the Collateral, Borrower agrees, in each case at Borrower’s own expense, to take the following actions with respect to the following Collateral:

4.01.                      Notes and Tangible Chattel Paper . If Borrower at any time holds or acquires any notes or tangible chattel paper, Borrower will forthwith endorse, assign and deliver the same to Lender, accompanied by such instruments of transfer or assignment duly executed in blank as Lender may from time to time specify.

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4.02.                      Deposit Accounts . For each deposit account that Borrower at any time opens or maintains, Borrower shall, at Lender’s request and option, pursuant to an agreement in form and substance satisfactory to Lender, either (a) cause the depositary bank to agree to comply at any time with instructions from Lender to such depositary bank directing the disposition of funds from time to time credited to such deposit account, without further consent of Borrower, or (b) arrange for Lender to become the customer of the depositary bank with respect to the deposit account, with Borrower being permitted, only with the consent of Lender, to exercise rights to withdraw funds from such deposit account. The provisions of this paragraph shall not apply to (i) any deposit account for which Borrower, the depositary bank and Lender have entered into a cash collateral agreement specially negotiated among Borrower, the depositary bank and Lender for the specific purpose set forth therein, (ii) deposit accounts for which Lender is the depositary and (iii) deposit accounts specially and exclusively used for payroll, payroll taxes and other employee wage and benefit payments to or for the benefit of Borrower’s salaried employees.

4.03.                      Investment Property . If Borrower at any time holds or acquires any certificated securities, Borrower will forthwith endorse, assign and deliver the same to Lender, accompanied by such instruments of transfer or assignment duly executed in blank as Lender may from time to time specify. If any securities now or hereafter acquired by Borrower are uncertificated and are issued to Borrower or its nominee directly by the issuer thereof, Borrower will immediately notify Lender thereof and, at Lender’s request and option, pursuant to an agreement in form and substance satisfactory to Lender, either (a) cause the issuer to agree to comply with instructions from Lender as to such securities, without further consent of Borrower or such nominee, or (b) arrange for Lender to become the registered owner of the securities. If any securities, whether certificated or uncertificated, or other investment property now or hereafter acquired by Borrower are held by Borrower or its nominee through a securities intermediary or commodity intermediary, Borrower will immediately notify Lender thereof and, at Lender’s request and option, pursuant to an agreement in form and substance satisfactory to Lender, either (i) cause such securities intermediary or (as the case may be) commodity intermediary to agree to comply with entitlement orders or other instructions from Lender to such securities intermediary as to such securities or other investment property, or (as the case may be) to apply any value distributed on account of any commodity contract as directed by Lender to such commodity intermediary, in each case without further consent of Borrower or such nominee, or (ii) in the case of financial assets or other investment property held through a securities intermediary, arrange for Lender to become the entitlement holder with respect to such investment property, with Borrower being permitted, only with the consent of Lender, to exercise rights to withdraw or otherwise deal with such investment property. The provisions of this paragraph shall not apply to any financial assets credited to a securities account for which Lender is the securities intermediary.

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4.04.                      Collateral in the Possession of a Bailee . If any goods are at any time in the possession of a bailee, Borrower will promptly notify Lender thereof and, if requested by Lender, will promptly obtain an acknowledgment from the bailee, in form and substance satisfactory to Lender, that the bailee holds such Collateral for the benefit of Lender and will act upon the instructions of Lender, without the further consent of Borrower.

4.05.                      Electronic Chattel Paper and Transferable Records.  If Borrower at any time holds or acquires an interest in any electronic chattel paper or any “transferable record,” as that term is defined in Section 201 of the Federal Electronic Signatures in Global and National Commerce Act, or in Section 16 of the Uniform Electronic Transactions Act as in effect in any relevant jurisdiction, Borrower will promptly notify Lender thereof and, at the request of Lender, will take such action as Lender may reasonably request to vest control in Lender, under Section 9-105 of the Uniform Commercial Code, of such electronic chattel paper or control under Section 201 of the Federal Electronic Signatures in Global and National Commerce Act or, as the case may be, Section 16 of the Uniform Electronic Transactions Act, as so in effect in such jurisdiction, of such transferable record. Lender agrees with Borrower that Lender will arrange, pursuant to procedures satisfactory to Lender and so long as such procedures will not result in Lender’s loss of control, for Borrower to make alterations to the electronic chattel paper or transferable record permitted under UCC Section 9-105 or, as the case may be, Section 201 of the Federal Electronic Signatures in Global and National Commerce Act or Section 16 of the Uniform Electronic Transactions Act for a party in control to make without loss of control, unless an Event of Default has occurred and is continuing or would occur after taking into account any action by Borrower with respect to such electronic chattel paper or transferable record.

4.06.                      Letter-of-Credit Rights . If Borrower is at any time a beneficiary under a letter of credit now or hereafter issued in favor of Borrower, Borrower will promptly notify Lender thereof and, at the request and option of Lender, Borrower will, pursuant to an agreement in form and substance satisfactory to Lender, either (i) arrange for the issuer and any confirmer of such letter of credit to consent to an assignment to Lender of the proceeds of any drawing under the letter of credit or (ii) arrange for Lender to become the transferee beneficiary of the letter of credit.

4.07                         Commercial Tort Claims . If Borrower at any time holds or acquires a commercial tort claim, Borrower will immediately notify Lender in a writing signed by Borrower of the brief details thereof and grant to Lender in such writing a security interest therein and in the proceeds thereof, all upon the terms of this Agreement, with such writing to be in form and substance satisfactory to Lender.

4.08                         Other Actions as to any and all Collateral . Borrower further agrees to take any other action reasonably requested by Lender to insure the attachment, perfection

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and first priority of, and the ability of Lender to enforce, Lender’s security interest in any and all of the Collateral including, without limitation, (a) executing, delivering and, where appropriate, filing financing statements and amendments relating thereto under the Uniform Commercial Code, (b) causing Lender’s name to be noted as secured party on any certificate of title for a titled good if such notation is a condition to attachment, perfection or priority of, or ability of Lender to enforce, Lender’s security interest in such Collateral, (c) complying with any provision of any statute, regulation or treaty of the United States as to any Collateral if compliance with such provision is a condition to attachment, perfection or priority of, or ability of Lender to enforce, Lender’s security interest in such Collateral, (d) obtaining governmental and other third party consents and approvals, including without limitation any consent of any licensor, lessor or other person obligated on Collateral, (e) obtaining waivers from mortgagees and landlords in form and substance satisfactory to Lender and (f) taking all actions required by any earlier versions of the Uniform Commercial Code or by other law, as applicable in any relevant Uniform Commercial Code jurisdiction, or by other law as applicable in any foreign jurisdiction.

5.                                       Relation to Other Security Documents . The provisions of this Agreement supplement the provisions of any real estate mortgage or deed of trust granted by Borrower to Lender and securing the payment or performance of any of the Obligations. Nothing contained in any such real estate mortgage or deed of trust derogates from any of the rights or remedies of Lender hereunder.

6.                                       Representations and Warranties Concerning Borrower’s Legal Status . Borrower represents and warrants to Lender as follows: (a) Borrower’s exact legal name is that indicated on the signature page hereof, (b) Borrower is a limited liability company organized under the laws of the State of Iowa, (c) Borrower’s organizational identification number is 263439, (d) Borrower’s tax payer identification number is 02-0575361 and (e) Borrower’s place of business, chief executive office, as well as mailing address is 1822 43 ^rd Street SW, Mason City, Iowa 50401.

7.                                       Covenants Concerning Borrower’s Legal Status .  Borrower covenants with Lender as follows:  (a) without providing at least 30 days prior written notice to Lender, Borrower will not change its name, its place of business or, if more than one, chief executive office, or its mailing address or organizational identification number if it has one, (b) if Borrower does not have an organizational identification number and later obtains one, Borrower shall forthwith notify Lender of such organizational identification number, and (c) Borrower will not change its type of organization, jurisdiction of organization or other legal structure.

8.                                       Representations and Warranties Concerning Collateral, Etc . Borrower further represents and warrants to Lender as follows:  (a) Borrower is the owner of the Collateral, free from any adverse lien, security interest or other encumbrance, except for the security interest created by this Agreement and other liens permitted by the Credit Agreement, (b) to the extent that any of the Collateral constitutes, or is the proceeds of, “farm products” as defined in

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Section 9-102(a)(34) of the Uniform Commercial Code of the State or any other relevant state, Borrower has taken all required acts to ensure that Lender’s security interest in such Collateral is first and prior, (c) none of the account debtors or other persons obligated on any of the Collateral is a governmental authority subject to the Federal Assignment of Claims Act or like federal, state or local statute or rule in respect of such Collateral, (d) Borrower holds no commercial tort claim except as set forth on Schedule 8(d)  and (e) Borrower has at all times operated its business in compliance with all applicable provisions of the feder