Document:

PROMISSORY
      NOTE

    

    $640,000.00 June
      26, 2007

    

    FOR
      VALUE
      RECEIVED, the undersigned, Talen’s Marine and Fuel, Inc., a Louisiana
      corporation (“Borrower”), hereby promises to pay to the order of Allegro
      Biodiesel Corporation, a Delaware corporation (“Lender”), the principal sum of
      Six Hundred Forty Thousand and No/100 Dollars ($640,000.00), or such lesser
      amount as may be reflected from time to time on the books and records of the
      Lender as evidencing the aggregate unpaid principal balance of loan advances
      made to Borrower, together with simple interest at the rate of ten percent
      (10%)
      per annum, assessed on the unpaid principal balance of this Note as outstanding
      from time to time. Interest shall accrue commencing on the date hereof and
      shall
      continue until this Note is paid in full.

    

    This
      Note, including all accrued but unpaid interest and all outstanding principal
      owed hereunder, shall be paid by Borrower in full at maturity. The maturity
      date
      of this Note is the earlier of September 24, 2007 or the consummation of the
      transaction contemplated by that Stock Purchase Agreement executed among Lender,
      the shareholders of Borrower and Talen Landing II, Inc., dated contemporaneously
      herewith (the ”Stock Purchase Agreement”). Notwithstanding the foregoing, if
      that certain Stock Purchase Agreement executed among Lender, the shareholders
      of
      Borrower and Talen Landing II, Inc., dated contemporaneously herewith,
      terminates without consummation of the transaction contemplated thereby, then
      this Note is immediately due and payable on demand.

    

    PAYMENT.
      The
      amount of interest accruing hereunder shall be computed (on a daily basis)
      on an
      actual day, 360-day year basis. All payments of principal and interest on this
      Note shall be made in lawful currency of the United States in Federal or other
      immediately available funds at the office of Lender at 6033 West Century
      Boulevard, Suite 1090, Los Angeles, California 90045, or at such other place
      as
      the holder hereof may designate in writing.

    

    LOAN
      AGREEMENT.
      This
      Note is made and executed pursuant to the Loan Agreement among Borrower, Talen
      Landing II, Inc., C. Raymond Talen and Lender executed contemporaneously
      herewith (the “Loan Agreement”) and is secured in the manner described therein.
      All capitalized terms used in this Note (and not otherwise defined herein)
      shall
      have the meanings defined in the Loan Agreement.

    

    PREPAYMENT
      PENALTY.
      There is
      no prepayment penalty.

    

    EVENTS
      OF DEFAULT.
      Subject
      to the provisions and grace periods set forth in the Loan Agreement, the
      following actions and/or inactions shall constitute default events under this
      Note:

     

    Default
      Under This Note.
      Should
      Borrower default in the payment of principal and/or interest under this
      Note.

     

    Default
      Under Loan Agreement.
      Should
      Borrower, or any other party thereto, default in the performance of any
      obligation set forth in the Loan Agreement.

     

    Default
      Under Security Agreements.
      Should
      Borrower, or any other party thereto, fail to comply fully with any of the
      terms
      and conditions of, or default under any security right, instrument, documents,
      or agreement directly or indirectly securing repayment of this
      Note.

     

    Other
      Defaults in Favor of Lender.
      Should
      Borrower of this Note default under any other loan, extension of credit,
      security right, instrument, document, or agreement or obligation in favor of
      Lender, or should any Event of Default under the Loan Agreement
      occur.

     

    Default
      in Favor of Third Parties.
      Should
      Borrower default under any loan, extension of credit, security agreement,
      purchase or sales agreement, or any other agreement, in favor of any other
      creditor or person that may affect any property or other collateral directly
      or
      indirectly securing repayment of this Note.

     

    Insolvency.
      Should
      the suspension, failure or insolvency, however evidenced, of Borrower of this
      Note occur or exist.

     

    Readjustment
      of Indebtedness. Should
      proceedings for readjustment of indebtedness, reorganization, bankruptcy,
      composition or extension under any insolvency law be brought by or against
      Borrower.

     

    Assignment
      for benefit of Creditors.
      Should
      Borrower file proceedings for a respite or make a general assignment for the
      benefit of creditors.

     

    Receivership.
      Should a
      receiver of all or any part of Borrower’s property be applied for or
      appointed.

     

    Dissolution
      Proceedings.
      Should
      proceedings for the dissolution or appointment of a liquidator of Borrower
      be
      commenced.

     

    False
      Statements.
      Should
      any representation, warranty, or material statement of Borrower made in
      connection with the obtaining the loan evidenced by this Note or any security
      agreement directly or indirectly securing repayment of this Note, prove to
      be
      incorrect or misleading in any respect.

     

    Material
      Adverse Change.
      Should
      any material adverse change occur in the financial condition of Borrower or
      any
      guarantor of this Note or should any material discrepancy exist between the
      financial statements submitted by Borrower or any guarantor and the actual
      financial condition of Borrower or such guarantor.

    

    LENDER’S
      RIGHT UPON DEFAULT.
      Should
      any one or more default events occur or exist under this Note as provided above,
      Lender shall have the right, at its sole option, to declare formally this Note
      to be in default and to accelerate the maturity and insist upon immediate
      payment in full of the unpaid principal balance then outstanding under this
      Note, plus accrued interest, together with reasonable attorneys’ fees, costs,
      expenses and other fees and charges as provided herein. Lender shall have the
      further right, again at its sole option, to declare formal default and to
      accelerate the maturity and to insist upon immediate payment in full of each
      and
      every other loan, extension of credit, debt, liability and/or obligation of
      every nature and kind that borrower may then owe to lender, whether direct
      or
      indirect or by way of assignment, and whether absolute or contingent, liquidated
      or unliquidated, voluntary or involuntary, determined or undetermined, secured
      or unsecured, whether Borrower is obligated alone or with others on a “solidary”
or “joint and several” basis, as a principal obligor or otherwise, all without
      further notice or demand, unless Lender shall otherwise elect.

     

    
      
         

      

      
        1

        
          

        

      

      
         

      

    

     

    PURPOSE.
      Borrower
      agrees that no advances under this Note shall be for personal, family, or
      household purposes and that all advances hereunder shall be used solely for
      business, commercial, agricultural or other similar purposes.

    

    INTEREST
      AFTER DEFAULT.
      If
      Lender declares this Note to be in default, Lender has the right prospectively
      to adjust and fix the simple interest rate under this Note until this Note
      is
      paid in full, as follows: The fixed default interest rate shall be equal to
      five
      (5%) per cent per annum in excess of the interest rate under this
      Note.

    

    ATTORNEYS
      FEES.
      In the
      event that any payment of any principal or interest due hereunder shall not
      be
      paid when due, whether by reason of acceleration or otherwise, and this Note
      is
      placed in the hands of an attorney or attorneys for collection or for
      foreclosure of the security as contemplated by the Loan Agreement, or the
      enforcement against other collateral, securing payment hereof, or if this Note
      is placed in the hands of an attorney or attorneys for representation of Lender
      in connection with bankruptcy or insolvency proceedings relating hereto,
      Borrower promises to pay, in addition to all other amounts otherwise due hereon,
      the costs and expenses of such collection, foreclosure and representation,
      including, without limitation, reasonable attorneys’ fees and expenses (whether
      or not litigation shall be commenced in aid thereof).

    

    COLLATERAL.
      This
      Note is secured by the security as contemplated by the Loan
      Agreement.

    

    GOVERNING
      LAW.
      Borrower
      agrees that this Note and the loan evidenced hereby shall be governed by, and
      construed in accordance with, the laws of the State of Louisiana, exclusive
      of
      its conflict of laws provisions. Specifically, this business or commercial
      Note
      is subject to La. R.S. 9:3509, et seq.

    

    WAIVERS.
      Borrower hereby waives demand, presentment for payment, protest, notice of
      protest and notice of nonpayment, and all pleas of division and discussion,
      and
      severally agree that their obligations and liabilities hereunder shall be on
      a
“solidary” or “joint and several” basis. Borrower further severally agrees that
      discharge or release of any party who is or may be liable to Lender for the
      indebtedness represented hereby, or the release of any collateral directly
      or
      indirectly securing repayment hereof, shall not have the effect of releasing
      any
      other party or parties, who shall remain liable to Lender, or of releasing
      any
      other collateral that is not expressly released by Lender. Borrower additionally
      agrees that Lender’s acceptance of payment other than in accordance with the
      terms of this Note, or Lender’s subsequent agreement to extend or modify such
      repayment terms, or Lender’s failure or delay in exercising any rights or
      remedies granted to Lender, shall likewise not have the effect of releasing
      Borrower or any other party or parties from their respective obligations to
      Lender, or of releasing any collateral that directly or indirectly secures
      repayment hereof. In addition, any failure or delay on the part of Lender to
      exercise any of the rights and remedies granted to Lender shall not have the
      effect of waiving any of Lender’s rights and remedies. Any partial exercise of
      any rights and/or remedies granted to Lender shall furthermore not be construed
      as a waiver of any other rights and remedies; it being Borrower’s intent and
      agreement that Lender’s rights and remedies shall be cumulative in nature.
      Borrower further agrees that, should any default event occur or exist under
      this
      Note, any waiver or forbearance on the part of Lender to pursue the rights
      and
      remedies available to Lender, shall be binding upon Lender only to the extent
      that Lender specifically agrees to any such waiver or forbearance in writing.
      A
      waiver or forbearance on the part of Lender as to one default event shall not
      be
      construed as a waiver or forbearance as to any other default. Borrower further
      agrees that any late charges provided for under this Note will not be charges
      for deferral of time for payment and will not and are not intended to compensate
      Lender for a grace or cure period, and no such deferral, grace or cure period
      has or will be granted to Borrower in return for the imposition of any late
      charge. Borrower recognizes that Borrower’s failure to make timely payment of
      amounts due under this Note will result in damages to Lender, including, but
      not
      limited to Lender’s loss of the use of amounts due, and Borrower agrees that any
      late charges imposed by Lender hereunder will represent reasonable compensation
      to Lender for such damages. Failure to pay in full any installment or payment
      timely when due under this Note, whether or not a late charge is assessed,
      will
      remain and constitute an Event of Default hereunder. 

    

    SUCCESSORS
      AND ASSIGNS LIABLE.
      Borrower’s obligations and agreements under this Note shall be binding upon
      Borrower’s successors, heirs, legatees, devisees, administrators, executors and
      assigns. The rights and remedies grated to Lender under this Note shall inure
      to
      the benefit of Lender’s successors and assigns, as well as to any subsequent
      holder or holders of this Note.

    

    CAPTION
      HEADINGS.
      Caption
      headings of the sections of this Note are for convenience purposes only and
      are
      not to be used to interpret or to define their provisions. In this Note,
      whenever the context so requires, the singular includes the plural and the
      plural also includes the singular.

    

    SEVERABILITY.
      If any
      provision of this Note is held to be invalid, illegal or unenforceable by any
      court, that provision shall be deleted from this Note and the balance of this
      Note shall be interpreted as if the deleted provision never
      existed.

    

    PRIOR
      TO SIGNING THIS NOTE, BORROWER READ AND UNDERSTOOD ALL THE PROVISIONS OF THIS
      NOTE.

     

    
      	 	 	 
	 	BORROWER:
	 	 
	 	
              TALEN’S
                MARINE AND FUEL, INC.

            
	 
 	 
 	 
 
	 	By:  	/s/ C.
              Raymond Talen
	 	 	
              

            
	 	Name:	C. Raymond Talen 
	 	 	
              

            
	 	Title:	
              President    

            
	 	
              

            

    

     

    
      
         

      

      
        2GUARANTY
      AGREEMENT

     

    Borrower:

     

    TALEN’S
      MARINE AND FUEL, INC.

    225
      Pleasant Street

    Lake
      Arthur, Louisiana 70549

    

    Lender:

     

    ALLEGRO
      BIODIESEL CORPORATION

    6033
      West
      Century Boulevard, Suite 1090

    Los
      Angeles, California 90045

    

    Guarantor:

     

    C.
      RAYMOND TALEN

    1216
      Pom
      Roy Road

    Lake
      Arthur, Louisiana 70549

     

    DEFINITIONS.
       The
      following terms shall have the following meanings when used in this
      Agreement:

     

    Agreement.
      The
      term "Agreement" refers to this Guaranty Agreement as this Agreement may be
      amended or modified from time to time.

     

    Appearers.
      The
      term “Appearers” refers individually, collectively and interchangeably to the
      parties named above as Borrower and Guarantor.

     

    Borrower.
      The
      term "Borrower" refers individually, collectively and interchangeably to the
      above named Borrower(s).

     

    Guarantor.
      The
      term "Guarantor" refers individually, collectively and interchangeably to the
      above named Guarantor(s) and all other persons guaranteeing payment and
      satisfaction of the Indebtedness as hereinafter defined.

     

    Indebtedness.
      The
      term "Indebtedness" refers individually, collectively and interchangeably
to
      i) a
      debt by the Borrower to the Lender in the amount of $640,000.00, and ii)
      Borrower’s obligations to Lender under that certain loan agreement among
      Borrower, Talen Landing II, Inc., Guarantor and Lender, dated contemporaneously
      herewith (as amended, modified or restated from time to time, the “Loan
      Agreement”). The debt is represented by a promissory note in the amount of
      $640,000.00, payable to the order of the Lender (including any amendments,
      substitutions, renewals and restatements, the “Note”) such Note being executed
      contemporaneously herewith. Payments on the Note are due as set forth in the
      Note. The Note matures on the earlier of September 24, 2007 or the consummation
      of the transaction contemplated by that Stock Purchase Agreement executed among
      Lender, the shareholders of Borrower and Talen Landing II, Inc., dated
      contemporaneously herewith (the “Stock Purchase Agreement”).

    

    Lender.
      The
      term "Lender" refers collectively to the above named lenders, their successors
      and assigns, and any subsequent holder or holders of the Indebtedness, the
      obligations hereunder being fully enforceable.

     

    GUARANTEE
      OF THE INDEBTEDNESS.
      Guarantor hereby absolutely and unconditionally agrees to, and by these presents
      does hereby, guarantee the prompt and punctual payment, performance and
      satisfaction of any and all of the present and future Indebtedness in favor
      of
      Lender. The amount of this guaranty is unlimited. This is a guaranty of payment
      and performance. The liability of Guarantor under this Agreement shall be direct
      and immediate and not conditional or contingent upon the pursuit of any remedies
      against Appearers or any other person (including, without limitation, other
      guarantors, if any), nor against any collateral securing the Indebtedness.
      Guarantor waives any right to require that any action be brought against
      Appearers or any other person or to require that resort be had to any collateral
      for the Indebtedness. In the event, on account of the Bankruptcy Reform Act
      of
      1978, as amended, or any other debtor relief law (whether statutory, common
      law,
      case law or otherwise) of any jurisdiction whatsoever, now or hereafter in
      effect, which may be or become applicable, Appearers shall be relieved of or
      fail to incur any debt, obligation or liability including the Indebtedness,
      Guarantor shall nevertheless be fully liable therefor. In the event of a default
      under or in payment of the Indebtedness which is not cured within any applicable
      grace or cure period, Lender shall have the right to enforce its rights, powers
      and remedies (including, without limitation, foreclosure of all or any portion
      of the collateral for the Indebtedness) thereunder or hereunder, in any order,
      and all rights, powers and remedies available to Lender in such event shall
      be
      non-exclusive and cumulative of all other rights, powers and remedies provided
      thereunder or hereunder or by law or in equity. If the Indebtedness and
      obligations guaranteed hereby are partially paid or discharged by reason of
      the
      exercise of any of the remedies available to Lender, this Agreement shall
      nevertheless remain in full force and effect, and Guarantor shall remain liable
      for all remaining Indebtedness and obligations guaranteed hereby, even though
      any rights which Guarantor may have against Appearers may be destroyed or
      diminished by the exercise of any such remedy. The obligations of each Guarantor
      (each signatory) under this Agreement shall be joint and several and
      solidary.

     

    
      
         

      

      
        1

        
          

        

      

      
         

      

    

     

    CONTINUING
      GUARANTY.
      Guarantor's obligations and liability under this Agreement shall be open and
      continuous for so long as this Agreement remains in effect. Guarantor intends
      to
      and does hereby guarantee at all times the prompt and punctual payment,
      performance and satisfaction of all of the present and future Indebtedness
      in
      favor of Lender. Accordingly, any payments made on the Indebtedness will not
      discharge or diminish the obligations and liability of Guarantor under this
      Agreement for any remaining and succeeding Indebtedness in favor of
      Lender.

     

    DURATION
      OF GUARANTY.
      This
      Agreement and Guarantor's obligations and liability hereunder shall remain
      in
      full force and effect until the earlier of: a) such time as the Indebtedness
      is
      fully paid and satisfied without further obligations on the part of the Lender
      to the Appearers to extend additional credit; or b) the consummation of the
      transaction contemplated by the Stock Purchase Agreement, at which time Lender
      shall provide Guarantor a written cancellation instrument in favor of Guarantor.
      Fluctuations may occur in the aggregate amount of the Indebtedness guaranteed
      under this Agreement and it is specifically acknowledged and agreed to by
      Guarantor that reductions in the amount of the Indebtedness, even to zero
      ($0.00) dollars, prior to Lender's written cancellation of this Agreement,
      shall
      not constitute or give rise to a termination of this Agreement. 

    

    DEFAULT.
      Should
      any event of default occur or exist under any of the Indebtedness in favor
      of
      Lender, Guarantor unconditionally and absolutely agrees to pay Lender the then
      unpaid amount of the Indebtedness, in principal, interest, costs, expenses,
      attorneys' fees and other fees and charges, subject to the maximum principal
      dollar amount limitations set forth above. Such payment or payments shall be
      made at Lender's offices indicated above, immediately following demand by
      Lender.

     

    
      
         

      

      
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    GUARANTOR'S
      WAIVER.
      Guarantor hereby waives:

     

    (A) Notice
      of
      Lender's acceptance of this Agreement.

     

    (B) Any
      right
      to require Lender to notify Guarantor of any nonpayment relating to any
      collateral directly or indirectly securing the Indebtedness, or notice of any
      action or nonaction on the part of any Appearer, Lender, or any other guarantor,
      surety or endorser of the Indebtedness, or notice of the creation of any new
      or
      additional Indebtedness subject to this Agreement.

     

    (C) Any
      rights to demand or require collateral security from any Appearer or any other
      person as provided under applicable Louisiana law or otherwise.

     

    (D) Any
      right
      to require Lender to notify Guarantor of the terms, time and place of any public
      or private sale of any collateral directly or indirectly securing the
      Indebtedness.

     

    (E) Any
      "one
      action" or "anti-deficiency" law or any other law which may prevent Lender
      from
      bringing any action, including a claim for deficiency against Guarantor, before
      or after Lender's commencement or completion of any foreclosure action, or
      any
      action in lieu of foreclosure.

     

    (F) Any
      election of remedies by Lender that may destroy or impair Guarantor's
      subrogation rights or Guarantor's right to proceed for reimbursement against
      any
      Appearer or any other guarantor, surety or endorser of the Indebtedness,
      including without limitation, any loss of rights Guarantor may suffer by reason
      of any law limiting, qualifying, or discharging the Indebtedness.

     

    (G) Any
      disability or other defense of any Appearer, or any other guarantor, surety
      or
      endorser, or any other person, or by reason of the cessation from any cause
      whatsoever, other than payment in full of the Indebtedness.

     

    (H) Any
      statute of limitations or prescriptive period, if at the time an action or
      suit
      brought by Lender against Guarantor is commenced, there is any outstanding
      Indebtedness of any Appearer to Lender which is barred by any applicable statute
      of limitations or prescriptive period.

     

    Guarantor
      warrants and agrees that each of the waivers set forth above is made with
      Guarantor's full knowledge of its significance and consequences, and that,
      under
      the circumstances, such waivers are reasonable and not contrary to public policy
      or law. If any such waiver is determined to be contrary to any applicable law
      or
      public policy, such waiver shall be effective only to the extent permitted
      by
      law.

     

    GUARANTOR'S
      SUBORDINATION OF RIGHTS.
      In the
      event that Guarantor should for any reason (A) advance or lend monies to any
      Appearer, whether or not such funds are used to make payment(s) under the
      Indebtedness, and/or (B) make any payment(s) to Lender or others for and on
      behalf of any Appearer under the Indebtedness, and/or (C) make any payment
      to
      Lender in total or partial satisfaction of Guarantor's obligations and
      liabilities under this Agreement, Guarantor hereby agrees that any and all
      rights that Guarantor may have or acquire to collect from or to be reimbursed
      by
      any Appearer (or from or by any other guarantor, endorser or surety of the
      Indebtedness), whether Guarantor's rights of collection or reimbursement arise
      by way of subrogation to the rights of Lender or otherwise, shall in all
      respects, whether or not any Appearer is presently or subsequently becomes
      insolvent, be subordinate, inferior and junior to the rights of Lender to
      collect and enforce payment, performance and satisfaction of the then remaining
      Indebtedness, until such time as the Indebtedness is fully paid and satisfied.
      In the event of Appearers’ insolvency or consequent liquidation of Appearers'
      assets, through bankruptcy, by an assignment for the benefit of creditors,
      by
      voluntary liquidation, or otherwise, the assets of Appearers applicable to
      the
      payment of claims of both Lender and Guarantor shall be paid to Lender and
      shall
      be first applied by Lender to the then remaining Indebtedness. If Guarantor
      is,
      or at any time may be, an "insider" of Appearers (or of any other guarantor,
      surety or endorser of the Indebtedness) within the context of Section 101(30)
      of
      the Bankruptcy Code (11 U.S.C. 101(30)), Guarantor shall have no rights of,
      and
      unconditionally agrees not to seek or obtain, collection or reimbursement from
      Appearers (or from any other guarantor, surety or endorser of the Indebtedness),
      whether by subrogation of Lender's rights or otherwise until the thirteenth
      (13th) month anniversary date following the full and final payment and
      satisfaction of the Indebtedness.

     

    
      
         

      

      
        3

        
          

        

      

      
         

      

    

     

    GUARANTOR'S
      RECEIPT OF PAYMENTS.
      Guarantor further agrees to refrain from attempting to collect and/or enforce
      any of Guarantor's collection and/or reimbursement rights against any Appearer
      (or against any other guarantor, surety or endorser of the Indebtedness) arising
      because of payment pursuant to this Guaranty until such time as all of the
      then
      remaining Indebtedness in favor of Lender is fully paid and satisfied. In the
      event that Guarantor should for any reason whatsoever receive any payment(s)
      from any Appearer (or any other guarantor, surety or endorser of the
      Indebtedness) that the Appearer (or such a third party) may owe to Guarantor
      because of payment pursuant to this Guaranty, Guarantor agrees to accept such
      payment(s) for and on behalf of Lender, advising the Appearer (or the third
      party payee) of such fact. Guarantor further unconditionally agrees to
      immediately deliver such funds to Lender, with such funds being held by
      Guarantor over any interim period, in trust for Lender. In the event that
      Guarantor should for any reason whatsoever receive any such funds from any
      Appearer (or any third party), because of payment pursuant to this Guaranty,
      and
      Guarantor should deposit such funds in one or more of Guarantor's deposit
      accounts, no matter where located, Lender shall have the right to attach such
      accounts in which such funds were deposited, whether or not such funds were
      commingled with other monies of Guarantor, and whether or not such funds then
      remain on deposit in such an account or accounts, but only to the extent of
      such
      deposit of funds from the Appearer. 

     

    ADDITIONAL
      COVENANTS.
      Guarantor agrees that Lender may, at its sole option, at any time, and from
      time
      to time, without the consent of or notice to Guarantor, or any of them, or
      to
      any other party, and without incurring any responsibility to Guarantor or to
      any
      other party, and without impairing or releasing any of Guarantor's obligations
      or liabilities under this Agreement:

     

    (A) Make
      additional secured and/or unsecured loans to any Appearer.

     

    (B) Discharge,
      release or agree not to sue any party (including, but not limited to, any or
      all
      Appearer(s) or any other guarantor, surety, or endorser of the Indebtedness),
      who is or may be liable to Lender for any of the Indebtedness.

     

    (C) Sell,
      exchange, release, surrender, realize upon, or otherwise deal with, in any
      manner and in any order, any collateral directly or indirectly securing
      repayment of any of the Indebtedness.

     

    (D) Alter,
      renew, extend, accelerate, or otherwise change the manner, place, terms and/or
      times of payment or other terms of the Indebtedness, or any part thereof,
      including any decrease in the rate or rates of interest on any of the
      Indebtedness.

     

    (E) Settle
      or
      compromise any of the Indebtedness.

     

    (F) Apply
      any
      payments and/or proceeds to any of the Indebtedness in such priority or with
      such preferences as Lender may determine in its sole discretion, regardless
      of
      which of the Indebtedness then remains unpaid.

     

    (G) Take
      or
      accept any other collateral as security or guaranty for any or all of the
      Indebtedness.

     

    NO
      IMPAIRMENT OF GUARANTOR'S OBLIGATIONS.
      No
      course of dealing between Lender and Appearers (or any other guarantor, surety
      of endorser of the Indebtedness), nor any failure or delay on the part of Lender
      to exercise any of Lender's rights and remedies under this Agreement or any
      other agreement or agreements by and between Lender and Appearers (or any other
      guarantor, surety or endorser), shall have the effect of impairing or releasing
      Guarantor's obligations and liabilities to Lender, or of waiving any of Lender's
      rights and remedies under this Agreement or otherwise. Any partial exercise
      of
      any rights and remedies granted to Lender shall furthermore not constitute
      a
      waiver of any of Lender's other rights and remedies; it being Guarantor's intent
      and agreement that Lender's rights and remedies shall be cumulative in nature.
      Guarantor further agrees that, should any Appearer default under any of the
      Indebtedness, any waiver or forbearance on the part of Lender to pursue Lender's
      available rights and remedies shall be binding upon Lender only to the extent
      that Lender specifically agrees to such waiver or forbearance in writing. A
      waiver or forbearance on the part of Lender as to one event of default shall
      not
      constitute a waiver or forbearance as to any other default.

     

    
      
         

      

      
        4

        
          

        

      

      
         

      

    

     

    NO
      RELEASE OF GUARANTOR.
      Guarantor's obligations and liabilities under this Agreement shall not be
      released, impaired, reduced, or otherwise affected by, and shall continue in
      full force and effect notwithstanding the occurrence of any event, including
      without limitation any one or more of the following events:

     

    (A) The
      death, insolvency, bankruptcy, arrangement, adjustment, composition,
      liquidation, disability, dissolution, or lack of authority (whether corporate,
      partnership or trust) of any Appearer (or any person acting on an Appearer's
      behalf), or of any other guarantor, surety or endorser of the
      Indebtedness.

     

    (B) Any
      payment by Appearers, or any party, to Lender that is held to constitute a
      preferential transfer or a fraudulent conveyance under any applicable law,
      or
      any such amounts or payment which, for any reason, Lender is required to refund
      or repay to Appearers or to any other person.

     

    (C) Any
      dissolution of any Appearer, or any sale, lease or transfer of all or any part
      of any Appearer's assets.

     

    (D) Any
      failure of Lender to notify Guarantor of the making of additional loans or
      other
      extensions of credit in reliance on this Agreement.

     

    REPRESENTATIONS
      AND WARRANTIES BY GUARANTOR.
      Guarantor represents and warrants that:

     

    (A) Guarantor
      has the lawful power to own its properties and to engage in its business as
      presently conducted.

     

    (B) Guarantor's
      guaranty of the Indebtedness and Guarantor's execution, delivery and performance
      of this Agreement are not in violation of any laws and will not result in a
      default under any contract, agreement, or instrument to which Guarantor is
      a
      party, or by which Guarantor or its property may be bound.

     

    (C) Guarantor
      has agreed and consented to execute this Agreement and to guarantee the
      Indebtedness in favor of Lender, at Appearers' request and not at the request
      of
      Lender.

     

    (D) Guarantor
      will receive and/or has received a direct or indirect material benefit from
      the
      transactions contemplated herein and/or arising out of the
      Indebtedness.

     

    (E) This
      Agreement, when executed and delivered to Lender, will constitute a valid,
      legal
      and binding obligation of Guarantor, enforceable in accordance with its
      terms.

     

    (F) Guarantor
      has established adequate means of obtaining information from Appearers on a
      continuing basis regarding Appearers' financial condition.

     

    (G) Lender
      has made no representations to Guarantor as to the creditworthiness of
      Appearers.

     

    ADDITIONAL
      OBLIGATIONS OF GUARANTOR.
      So long
      as this Agreement remains in full force and effect, Guarantor has not and will
      not, without Lender's prior written consent, sell, lease, assign, pledge,
      hypothecate, encumber, transfer, or otherwise dispose of all or substantially
      all of Guarantor's assets. Guarantor agrees to keep adequately informed of
      any
      facts, events or circumstances which might in any way affect Guarantor's risks
      under this Agreement. Guarantor further agrees that Lender shall have no
      obligation to disclose to Guarantor any information or material relating to
      Appearers or the Indebtedness.

     

    NOTICES.
      Any
      notice provided in this Agreement must be in writing and will be considered
      as
      given on the day it is delivered by hand or deposited in the U.S. mail, postage
      prepaid, addressed to the person to whom the notice is to be given at the
      address shown above or at such other addresses as any party may designate to
      the
      other in writing. If there is more than one Guarantor under this Agreement,
      notice to any Guarantor shall constitute notice to all Guarantors. Notice to
      each Appearer shall be sent or delivered to the following address:

     

    
      
         

      

      
        5

        
          

        

      

      
         

      

    

     

    Allegro
      Biodiesel Corporation

    6033
      West
      Century Boulevard, Suite 1090

    Los
      Angeles, California 90045

    Attention:
      W. Bruce Comer, III

     

    ADDITIONAL
      GUARANTIES.
      Guarantor recognizes and agrees that Guarantor may be simultaneously herewith
      executing another Guaranty in favor of Lender and may have previously and may
      in
      the future grant one or more additional guaranties of the Indebtedness in favor
      Lender. The execution of this Agreement and any additional guaranties on the
      part of Guarantor will not be construed as a cancellation of this Agreement
      or
      any of Guarantor's other guaranties; it being Guarantor's full intent and
      agreement that all such guaranties of the Indebtedness in favor of Lender shall
      remain in full force and effect and shall be cumulative in nature and
      effect.

     

    AMENDMENT.
      No
      amendment, modification, consent or waiver of any provision of this Agreement,
      or consent to any departure by Guarantor therefrom, shall be effective unless
      the same shall be in writing signed by a duly authorized officer of Lender,
      and
      then shall be effective only as to the specific instance and for the specific
      purpose for which given.

     

    SUCCESSORS
      AND ASSIGNS BOUND.
      Guarantor's and Lender's obligations and liabilities under this Agreement shall
      be binding upon Guarantor's and Lender's successors, heirs, legatees, devisees,
      administrators, executors and assigns. The obligations of Guarantor hereunder
      shall flow in favor of any assignee of Lender’s rights in respect of the
      Indebtedness.

     

    CAPTION
      HEADINGS.
      Caption
      headings of the sections of this Agreement are for convenience purposes only
      and
      are not to be used to interpret or to define their provisions. In this
      Agreement, whenever the context so requires, the singular includes the plural
      and the plural also includes the singular.

     

    GOVERNING
      LAW.
      This
      Agreement shall be governed and construed in accordance with the substantive
      laws of the State of Louisiana.

     

    SEVERABILITY.
      If any
      provision of this Agreement is held to be illegal, invalid or unenforceable
      under present or future laws effective during the term hereof, such provision
      shall be fully severable. This Agreement shall be construed and enforceable
      as
      if the illegal, invalid or unenforceable provision had never comprised a part
      of
      it, and the remaining provisions of this Agreement shall remain in full force
      and effect and shall not be affected by the illegal, invalid or unenforceable
      provision or by its severance herefrom. Furthermore, in lieu of such illegal,
      invalid and unenforceable provision, there shall be added automatically as
      a
      part of this Agreement, a provision as similar in terms to such illegal invalid
      or unenforceable provision as may be possible and legal, valid and
      enforceable.

     

    IN
      WITNESS WHEREOF, the Guarantor has executed this Agreement as of June 26,
      2007.

     

    GUARANTOR:

     

    
      	 	 	 	 
	/s/ C.
              Raymond Talen  	 	 	 
	
              

              C.
                Raymond Talen

            	 	 	
            
	 	 	 	 

    

     

    
      
         

      

      
        6

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