Document:

AMENDMENT NUMBER 1
                                       to
                              EMPLOYMENT AGREEMENT

      This AMENDMENT NUMBER 1 ("Amendment") dated June 13, 2007 amends the
Employment Agreement ("Agreement") between BioForce Nanosciences Holdings, Inc.
(the "Company") and Eric Henderson (the "Employee").

      In consideration of the mutual agreements set forth below and other good
and valuable consideration, the receipt and adequacy of which are hereby
acknowledged, the parties agree as follows:

1. All terms of the Agreement shall continue in full force and effect except as
expressly modified in this Amendment. All terms of the Agreement shall apply to
this Amendment, except in the event and to the extent they are expressly
modified herein, in which case the terms of this Amendment shall control. All
capitalized terms used in the Amendment not otherwise defined shall have the
same meaning as in the Agreement.

2. Section 3(a) of the Agreement is amended by deleting the provision in its
entirety and replacing it with the following: "During the Term of this
Agreement, the Employee shall serve as the Chief Executive Officer of the
Company, or in such other executive capacity as may be assigned to the Employee,
and shall perform all duties commensurate with the Employee's position and as
may be assigned to the Employee by the Board of Directors of the Company (the
"Board") or such member or committee of the Board or other person(s) as may be
designated by the Board. The Employee shall report to the Board or such member
or committee of the Board or other person(s) as may be designated by the Board
and shall at all times keep such person or entity promptly and fully informed
(in writing if so requested) of the Employee's conduct and of the business or
affairs of the Company, and provide such explanations of the Employee's conduct
as may be required."

3. Section 4(a) of the Agreement is amended by deleting its first sentence in
its entirety and replacing it with the following: "As compensation in full for
all services to be rendered by the Employee under this Agreement, the Company
shall pay to the Employee a base salary of $200,000 per year, less deductions
and withholdings, which salary shall be paid in twice monthly increments in
arrears or otherwise as in accordance with the Company's normal payroll
procedures and policies."

4. This Amendment shall be binding upon and inure to the benefit of the parties
hereto and their respective successors, heirs and assigns.

5. Each party represents and warrants that the person signing this Amendment has
the full and proper authority to do so and has been empowered to make and
execute this Amendment.

<PAGE>

      IN WITNESS WHEREOF, the parties caused this Amendment to be executed on
the day and year first written above.

BioForce Nanosciences Holdings, Inc.            Eric Henderson

By: /s/ Kerry M. Frey                           /s/ Eric Henderson
    -----------------                           ------------------
    Kerry M. Frey
    President & Chief Operating OfficerAMENDMENT NUMBER 1
                                       to
                              EMPLOYMENT AGREEMENT

      This AMENDMENT NUMBER 1 ("Amendment") dated June 13, 2007 amends the
Employment Agreement ("Agreement") between BioForce Nanosciences Holdings, Inc.
(the "Company") and Kerry M. Frey (the "Employee").

      In consideration of the mutual agreements set forth below and other good
and valuable consideration, the receipt and adequacy of which are hereby
acknowledged, the parties agree as follows:

1. All terms of the Agreement shall continue in full force and effect except as
expressly modified in this Amendment. All terms of the Agreement shall apply to
this Amendment, except in the event and to the extent they are expressly
modified herein, in which case the terms of this Amendment shall control. All
capitalized terms used in the Amendment not otherwise defined shall have the
same meaning as in the Agreement.

2. Section 3(a) of the Agreement is amended by deleting the provision in its
entirety and replacing it with the following: "During the Term of this
Agreement, the Employee shall serve as the President and Chief Operating Officer
of the Company, or in such other executive capacity as may be assigned to the
Employee, and shall perform all duties commensurate with the Employee's position
and as may be assigned to the Employee by the Chairman of the Board of Directors
or the Chief Executive Officer of the Company or such other person(s) as may be
designated by the Board of Directors of the Company (the "Board"). The Employee
shall report to the Chairman of the Board or the Chief Executive Officer or such
other person(s) as may be designated by the Board and shall at all times keep
the Chairman of the Board and the Chief Executive Officer (or such other officer
as the Chairman of the Board, the Chief Executive Officer or the Board may
designate from time to time) promptly and fully informed (in writing if so
requested) of the Employee's conduct and of the business or affairs of the
Company, and provide such explanations of the Employee's conduct as may be
required."

3. Section 4(a) of the Agreement is amended by deleting its first sentence in
its entirety and replacing it with the following: "As compensation in full for
all services to be rendered by the Employee under this Agreement, the Company
shall pay to the Employee a base salary of $165,000 per year, less deductions
and withholdings, which salary shall be paid in twice monthly increments in
arrears or otherwise as in accordance with the Company's normal payroll
procedures and policies."

4. This Amendment shall be binding upon and inure to the benefit of the parties
hereto and their respective successors, heirs and assigns.

5. Each party represents and warrants that the person signing this Amendment has
the full and proper authority to do so and has been empowered to make and
execute this Amendment.

<PAGE>

      IN WITNESS WHEREOF, the parties caused this Amendment to be executed on
the day and year first written above.

BioForce Nanosciences Holdings, Inc.            Kerry M. Frey

By: /s/ Eric Henderson                          /s/ Kerry M. Frey
    ------------------                          -----------------
    Eric Henderson
    Chief Executive Officerexhibit_10-1.htm

    
      

    

    Exhibit
      10.1

    
      

    LOAN
      AGREEMENT

    

    This
      Loan
      Agreement is hereby made
      between,                                     
(hereinafter collectively the "Lender") and Renewable
      Energy Resources, Inc. (hereinafter the "Borrower"), and Mercatech Private
      Equity Management, Ltd., and Mercatech, Inc., (“Guarantor”) as of this 31 day of
      July 2007 (the “Loan Date”)

    

    
      	
              LOAN
                AMOUNT:

            	
              Seven
                Hundred Fifty Thousand U.S. Dollars ($750,000.00)

               

            
	
              TERM:

            	
              Five
                Years

               

            
	
              PAYMENT
                OF INTEREST:

               

            	
              Interest
                on the unpaid principal amount of this Note shall accrue monthly,
                at a
                rate equal to eighteen percent (18%) per annum. Accrued interest
                shall be
                paid to the Lender quarterly based on a calendar year and shall be
                cumulative.

               

            
	
              REPAYMENT:

            	
              Repayment
                on the principal may begin after two (2) years at which time the
                Lender
                may elect to call for the repayment of up to twenty five percent
                {25%} of
                the original principal. On subsequent anniversaries, the Lender may,
                upon
                180 days notice, elect to call for the repayment of the outstanding
                principal by not more than twenty five percent (25%) of the original
                principal amount. The unpaid principal balance under this Note with
                all
                accrued and unpaid interest on the unpaid principal balance shall
                be paid
                in full on the fifth anniversary of the date of this Note.

               

            
	
              PREPAYMENT:

            	
              Borrower
                shall have the right to prepay at any time and from time to time,
                without
                penalty or premium, all or any portion of the outstanding principal
                of
                this Note. All prepayments of outstanding principal of this Note
                shall be
                applied first to accrued interest, and second to unpaid
                principal.

               

            
	
              SHARES
                IN BORROWER:

            	
              Borrower
                shall grant to Lender shares of its common stock, subject to SEC
                Rule 144,
                equal to Five percent (5%) of the value of the loan on the Loan Date
                at
                the closing price.

               

            
	
              REGISTRATION
                RIGHTS:

               

            	
              None,
                other than those granted to other shareholders in general.

               

            
	
              USE
                OF FUNDS AND GUARANTEE:

            	
              The
                Lender’s funds will be used solely to fund the Springfield Energy Project,
                LLC (“SEP”).  SEP will guarantee this Note.

            
	
              LENDING
                GUARANTOR:

               

            	
              Mercatech
                Private Equity Management, Ltd., and Mercatech, Inc., hereby guarantee
                the
                loan to be made
                by                                        to
                Renewable Energy Resources, Inc., which is being invested into the
                Springfield Energy Project, LLC (SEP) as described in this loan agreement.
                Mercatech hereby agrees that the funds, in the amount of seven hundred
                and
                fifty thousand dollars ($750,000) under the loan shall be secured
                by the
                Secured Medium Term Revolving facility, in the amount of one hundred
                fifty
                million euros (150,000,000) which has been arranged through Banca
                IMI,
                SpA, and underwritten by Intesasanpalo SpA, to Mercatech. Such guarantee
                shall be enforceable as an interest against the credit facility above,
                with all rights and obligations of RENW and SEP under the loan agreement
                to be undertaken by Mercatech and enforceable against them as a secondary
                guarantor, if such default shall occur under the loan agreement between
                RENW
                and                                  
                . This guarantee is made for the purpose of securing the interest
                that
                Mercatech has in the success of RENW through the SEP project.

               

            

    

     

    
      
        Mercatech
          Initials
/s/
          CM                                                                                               RENW
          Initials /s/ KB     

      

      
        1

        
          

        

      

      
        
        
Loan
        Agreement

    

    
 

    
      	
              EVENTS
                OF DEFAULT:

               

            	
              An
                "Event of Default" shall occur if at any time: (a) the Borrower becomes
                insolvent, commits any act of bankruptcy; makes a general
                assignment for the benefit of creditors, liquidates or takes any
                step
                looking toward liquidation, makes or gives any notice of a bulk sale,
                or
                admits in writing the inability to pay debts as they mature; or (b)
                any
                petition, bankruptcy or insolvency or for any form of reorganization.
                composition. extension, appointment of a receiver or other similar
                relief
                of debtors under state or federal law is filed by or against Borrower;
                or
                (c) any preceding, procedure or remedy supplementary to or in enforcement
                of a judgment is resorted to or is commenced against Borrower or
                with
                respect to any property of Borrower; or (d) any committee of creditors
                of
                Borrower is appointed or any meeting of Borrower's creditors is called;
                or
                (e) any receiver. court or governmental authority takes possession
                or
                control of any substantial part of the property of Borrower or Borrower's
                affairs: or (f) any of the events described in (a) through (e) above
                occurs with respect to any endorser, guarantor, surety or other person
                liable upon or for this Note: or (g) any warranty or order of attachment
                of any property of Borrower is served on Lender: or (h) the Lender
                deems
                itself insecure.

               

            
	
              REMEDIES:

               

            	
              In
                the event an Event of Default shall occur and be continuing for 60
                days
                after delivery of a written notice of default then in the sole discretion
                of the Lender and without further notice to the Borrower, the unpaid
                principal amount and the accrued interest hereunder, at the applicable
                rate specified above, and all other sums due from  Borrower
                under this Note, shall become immediately due and payable without
                presentment, demand, protestor other requirements of any
                kind.

               

               

            
	
              COLLECTION
                FEES:

            	
              If
                this Loan is placed with an attorney for collection, then the prevailing
                party shall be entitled to fees and costs pursuant to Florida
                law.

               

            
	
              VENUE/JURISDICTION:

            	
              This
                Note and all questions relating to its validity. interpretation or
                performance and enforcement shall be governed by and construed in
                accordance with the laws of the State of Florida. Venue for all actions
                seeking enforcement of this Note's terms shall be the State Court
                for
                Hillsborough County, Florida.

            
	
              RIGHT
                OF FIRST REFUSAL ON FUTURE PROJECTS:

               

            	
              Lender,
                shall for a period of five years, from the date of execution of this
                loan
                agreement, have a right or first refusal to be a lender for future
                renewable energy projects that RENW, or SEP, or any related entity
                to them
                shall enter into. Such projects shall include similar coal reclamation,
                bio-fuels, low impact hydro, and other areas. RENW agrees that they
                shall
                supply Lender with a term sheet, and that Lender shall have ten days
                from
                transmission of the term sheet to agree or decline investment in
                such
                projects, with notice to RENW. This exclusivity shall include the
                right to
                information from RENW or SEP for such projects similar to those supplied
                within the negotiations which occurred related to this agreement.
                Such
                exclusivity shall be limited to one million dollars in investment
                or
                lending for the lender in such projects, unless agreed to be increased
                by
                RENW or SEP.

               

            

    

    

      
        
          Mercatech
            Initials
/s/
            CM                                                                                                RENW
            Initials /s/ KB

        

        
          2

          
            

          

        

        
          
          

        
Loan
        Agreement

    

    
 

    

    IN
      WITNESS WHEREOF, Borrower and Lender, intending to be legally bound have caused
      their duly authorized representatives to execute and deliver this Note on the
      date first written above.

    

    BORROWER:

     

    
      	 RENEWABLE
              ENERGY RESOURCES, INC. 	 	 	 MERCATECH
              PRIVATE EQUITY	 
	 	 	 	 MANAGEMENT
              and MERCATECH, INC.	 
	 	 	 	 	 
	
              /s/
                Kenneth P.
                Brown

            	 	 	
              /s/
                Cary
                Masi

            	 
	
              Kenneth
                P.
                Brown, Chief Executive Officer

            	 	 	
              Cary
                Masi,
                President and Officer

            	 

    

    

    

    

    

    

    

    Mercatech Initials /s/
      CM                                                                                                RENW
      Initials /s/ KB

    3

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