Document:

Exhibit
      4.2

     

    (Face
      of
      Certificate - Energy Infrastructure Acquisition Corporation)

    

    COMMON
      STOCK

     

    C
      

    

    PINPOINT
      ADVANCE CORP.

    

    INCORPORATED
      UNDER THE LAWS OF THE STATE OF DELAWARE 

    

    SEE
      REVERSE FOR CERTAIN DEFINITIONS 

    

    CUSIP_____________________________
         

    

    This
      Certifies that

    

    is
      the
      owner of 

    

    FULLY
      PAID AND NON-ASSESSABLE SHARES, PAR VALUE OF $.0001 PER SHARE, OF THE COMMON
      STOCK OF

     

    PINPOINT
      ADVANCE CORP.

     

    transferable
      on the books of the Corporation in person or by duly authorized attorney upon
      surrender of this certificate properly endorsed. This certificate is not valid
      unless countersigned by the Transfer Agent and registered by the Registrar.
      Witness the seal of the Corporation and the facsimile signatures of its duly
      authorized officers.

     

    

    Dated:
      

    

    

    COUNTERSIGNED
      AND REGISTERED: 

    AMERICAN
      STOCK TRANSFER & TRUST COMPANY 

    TRANSFER
      AGENT AND REGISTRAR 

    BY:
      

    AUTHORIZED
      OFFICER 

    

    (Signature)

    CHIEF
      EXECUTIVE OFFICER 

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    (Seal)

    

    (Signature)

    SECRETARY
      

     

    (Reverse
      of Certificate)

    

    PINPOINT
      ADVANCE CORP.

    

    The
      Corporation will furnish without charge to each stockholder who so requests,
      the
      powers, designations, preferences and relative, participating, optional or
      other
      special rights of each class of stock or series thereof of the Corporation
      and
      the qualifications, limitations, or restrictions of such preferences and/or
      rights. This certificate and the shares represented thereby are issued and
      shall
      be held subject to all the provisions of the Certificate of Incorporation and
      all amendments thereto and resolutions of the Board of Directors providing
      for
      the issue of shares of Preferred Stock (copies of which may be obtained from
      the
      secretary of the Corporation), to all of which the holder of this certificate
      by
      acceptance hereof assents.

    

    The
      following abbreviations, when used in the inscription on the face of this
      certificate, shall be construed as though they were written out in full
      according to applicable laws or regulations: 

    

    TEN
      COM —
as tenants in common

    TEN
      ENT —
as tenants by the entireties 

    JT
      TEN —
as joint tenants with right of survivorship and not as tenants in
      common

    

    UNIF
      GIFT
      MIN ACT__________Custodian__________

    
      	
            	(Cust)	
              (Minor)

            

    

     

    under
      Uniform Gifts to Minors

    Act__________

    (State)

    

    Additional
      abbreviations may also be used though not in the above list. 

    

    For
      value
      received__________,
      hereby
      sell, assign and transfer unto

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	PLEASE INSERT SOCIAL SECURITY OR OTHER
              IDENTIFYING NUMBER OF ASSIGNEE 
	 

    

     

     

    
      
        	(PLEASE PRINT OR TYPEWRITE NAME AND
                ADDRESS,
                INCLUDING ZIP CODE, OF ASSIGNEE) 
	 
	 
	shares of the capital stock represented
                by
                the within Certificate, and do hereby irrevocably constitute and
                appoint  
	 
	 
	 

      

    

    Attorney
      to transfer the said stock on the books of the within named Company with full
      power of substitution in the premises.

    

    Dated:
      

    

    

    
      	 

    

    NOTICE:
      THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON
      THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR
      ENLARGEMENT OR ANY CHANGE WHATEVER.

     

    Signature(s)
      Guaranteed: 

    

    
      	By 	 

    

    THE
      SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS,
      STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP
      IN
      AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE
      17Ad-15).

     

    The
      holder of this certificate shall be entitled to receive funds from the trust
      account only in the event of the Company’s liquidation or if the holder seeks to
      convert his respective shares into cash upon a business combination which he
      voted against and which is actually completed by the Company. In no other
      circumstances shall the holder have any right or interest of any kind in or
      to
      the trust account.Exhibit
      4.3

     

    [Face
      of
      Certificate - Energy Infrastructure Acquisition Corporation]

    

    (SEE
      REVERSE SIDE FOR LEGEND) 

    

    W

    

    WARRANTS

    

    (THIS
      WARRANT WILL BE VOID IF NOT EXERCISED PRIOR TO 5:00 P.M. NEW YORK CITY
      TIME,__________,
      2011)

    

    PINPOINT
      ADVANCE CORP.

     

    CUSIP_________________
        

    

    WARRANT
      

    

    THIS
      CERTIFIES THAT, for value received 

    

    is
      the
      registered holder of 

    

    

    a
      Warrant
      or Warrants expiring__________,
      2011
      (the “Warrant”) to purchase one fully paid and non-assessable share of Common
      Stock, par value $.0001 per share (the “Shares”), of PINPOINT ADVANCE CORP., a
      Delaware corporation (the “Company”), for each Warrant evidenced by this Warrant
      Certificate. The Warrant entitles the holder thereof to purchase from the
      Company, commencing on the later of (i) the Company’s completion of a business
      combination with a target business or (ii)__________,
      2007,
      such number of Shares of the Company at the price of $6.00 per share, upon
      surrender of this Warrant Certificate and payment of the Warrant Price at the
      office or agency of the Warrant Agent, American Stock Transfer & Trust
      Company (such payment to be made by check made payable to the Warrant Agent),
      but only subject to the conditions set forth herein and in the Warrant Agreement
      between the Company and American Stock Transfer & Trust Company. In no event
      shall the registered holder of this Warrant be entitled to receive a net-cash
      settlement, shares of common stock or other consideration in lieu of physical
      settlement in Shares of the Company. The Warrant Agreement provides that, upon
      the occurrence of certain events, the Warrant Price and the number of Warrant
      Shares purchasable hereunder, set forth on the face hereof, may, subject to
      certain conditions, be adjusted. The term Warrant Price as used in this Warrant
      Certificate refers to the price per Share at which Shares may be purchased
      at
      the time the Warrant is exercised.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    This
      Warrant may expire on the date first above written if it is not exercised prior
      to such date by the registered holder pursuant to the terms of the Warrant
      Agreement or if it is not redeemed by the Company prior to such
      date.

     

    No
      fraction of a Share will be issued upon any exercise of a Warrant. If, upon
      exercise of a Warrant, a holder would be entitled to receive a fractional
      interest in a Share, the Company will, upon exercise, round up to the nearest
      whole number the number of shares of common stock to be issued to the warrant
      holder. 

    

    Upon
      any
      exercise of the Warrant for less than the total number of full Shares provided
      for herein, there shall be issued to the registered holder hereof or his
      assignee a new Warrant Certificate covering the number of Shares for which
      the
      Warrant has not been exercised. 

    

    Warrant
      Certificates, when surrendered at the office or agency of the Warrant Agent
      by
      the registered holder hereof in person or by attorney duly authorized in
      writing, may be exchanged in the manner and subject to the limitations provided
      in the Warrant Agreement, but without payment of any service charge, for another
      Warrant Certificate or Warrant Certificates of like tenor and evidencing in
      the
      aggregate a like number of Warrants. 

    

    Upon
      due
      presentment for registration of transfer of the Warrant Certificate at the
      office or agency of the Warrant Agent, a new Warrant Certificate or Warrant
      Certificates of like tenor and evidencing in the aggregate a like number of
      Warrants shall be issued to the transferee in exchange for this Warrant
      Certificate, subject to the limitations provided in the Warrant Agreement,
      without charge except for any applicable tax or other governmental
      charge.

     

    The
      Company and the Warrant Agent may deem and treat the registered holder as the
      absolute owner of this Warrant Certificate (notwithstanding any notation of
      ownership or other writing hereon made by anyone), for the purpose of any
      exercise hereof, of any distribution to the registered holder, and for all
      other
      purposes, and neither the Company nor the Warrant Agent shall be affected by
      any
      notice to the contrary.

     

    This
      Warrant does not entitle the registered holder to any of the rights of a
      stockholder of the Company.

     

    The
      Company reserves the right to call the Warrant at any time prior to its
      exercise, with a notice of call in writing to the holders of record of the
      Warrant, giving 30 days’ notice of such call at any time after the Warrant
      becomes exercisable if the last sale price of the Shares has been at least
      $11.50 per share on each of 20 trading days within a 30 trading day period
      ending on the third business day prior to the date on which notice of such
      call
      is given. The call price of the Warrants is to be $.01 per Warrant. Any Warrant
      either not exercised or tendered back to the Company by the end of the date
      specified in the notice of call shall be canceled on the books of the Company
      and have no further value except for the $.01 call price.

    

    
      
         

      

      
         

        
          

        

      

      
         

      

       

    

    COUNTERSIGNED:
      

    AMERICAN
      STOCK TRANSFER & TRUST COMPANY 

    WARRANT
      AGENT

    BY:
      

    AUTHORIZED
      OFFICER 

    

    DATED:
      

    

    (Signature)

    CHIEF
      EXECUTIVE OFFICER 

    

    (Seal)

    

    (Signature)

    SECRETARY

    

    [Reverse
      of Certificate]

    

    SUBSCRIPTION
      FORM

     

    To
      Be
      Executed by the Registered Holder in Order to Exercise Warrants 

    

    The
      undersigned Registered Holder irrevocably elects to exercise _________ Warrants
      represented by this Warrant Certificate, and to purchase the shares of Common
      Stock issuable upon the exercise of such Warrants, and requests that
      Certificates for such shares shall be issued in the name of

    

    
      	 
	(PLEASE TYPE OR PRINT NAME AND
              ADDRESS) 
	 
	 
	 
	 

    

    (SOCIAL
      SECURITY OR TAX IDENTIFICATION NUMBER) 

    

    and
      be
      delivered to________________________________

               
 

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    (PLEASE
      PRINT OR TYPE NAME AND ADDRESS) 

    
      	 

    

    

    and,
      if
      such number of Warrants shall not be all the Warrants evidenced by this Warrant
      Certificate, that a new Warrant Certificate for the balance of such Warrants
      be
      registered in the name of, and delivered to, the Registered Holder at the
      address stated below:

     

    IMPORTANT:
      PLEASE COMPLETE THE FOLLOWING: 

    1.
      THE
      EXERCISE OF THIS WARRANT WAS SOLICITED BY MAXIM GROUP LLC. [ ] 

    2.
      THE
      EXERCISE OF THIS WARRANT WAS SOLICITED BY__________.
      [ ]

    3.
      IF THE
      EXERCISE OF THIS WARRANT WAS NOT SOLICITED, PLEASE CHECK THE FOLLOWING BOX.
      [ ]

    

    Dated:
      

     

    
      	 	 	 
	(SIGNATURE) 	 	 
	 	 	 
	(ADDRESS) 	 	 
	 	 	 
	(TAX IDENTIFICATION NUMBER) 	 	 

    

     

    THE
      SIGNATURE TO THE ASSIGNMENT OF THE SUBSCRIPTION FORM MUST CORRESPOND TO THE
      NAME
      WRITTEN UPON THE FACE OF THIS WARRANT CERTIFICATE IN EVERY PARTICULAR, WITHOUT
      ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATSOEVER, AND MUST BE GUARANTEED
      BY A
      COMMERCIAL BANK OR TRUST COMPANY OR A MEMBER FIRM OF THE AMERICAN STOCK
      EXCHANGE, NEW YORK STOCK EXCHANGE, PACIFIC STOCK EXCHANGE OR CHICAGO STOCK
      EXCHANGE. 

    

    ASSIGNMENT

     

    To
      Be
      Executed by the Registered Holder in Order to Assign Warrants

    

    For
      Value
      Received,_____________________hereby sell, assign, and transfer
      unto

    

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      
        	 	 
	(PLEASE TYPE OR PRINT
                NAME AND
                ADDRESS) 	 
	 	 
	 	 
	 	 
	(SOCIAL SECURITY OR TAX
                IDENTIFICATION NUMBER) 	 

      

    

     

    and
      be
      delivered to  _____________________________________________________

    (PLEASE
      PRINT OR TYPE NAME AND ADDRESS) 

    

    of
      the
      Warrants represented by this Warrant Certificate, and hereby irrevocably
      constitute and

     

    appoint________________________________Attorney
      to transfer this Warrant Certificate on the books of the Company, with full
      power of substitution in the premises.

     

    Dated:
      

    

    _____________________________

    (SIGNATURE)
      

    

    Notice:
      The signature to this assignment must correspond with the name as written upon
      the face of the certificate in every particular, without alteration or
      enlargement or any change whatever.

    

    Signature(s)
      Guaranteed: 

    

    

    THE
      SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS,
      STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP
      IN
      AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE
      17Ad-15).

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