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Exhibit 10.4

MIDCAP BUSINESS CREDIT LLC

REVOLVING NOTE
 
 
$7,000,000.00
March _____, 2015

For value received, the undersigned (hereinafter collectively referred to as the
"Borrower"), hereby promise, jointly and severally, to pay to the order of
MidCap Business Credit LLC (the "Lender"), at its offices in West Hartford,
Connecticut, or at any other place designated at any time by the holder hereof,
in lawful money of the United States of America and in immediately available
funds, the principal sum of Seven Million ($7,000,000.00) Dollars, or, if less,
the aggregate unpaid principal amount of all loans made by the Lender to the
Borrower under the Loan Agreement (defined below) together with interest on the
principal amount hereunder remaining unpaid from time to time, computed on the
basis of the actual number of days elapsed and a 360-day year, from the date
hereof until this Note is fully paid at the rate from time to time in effect
under the Loan and Security Agreement (All Assets) of even date herewith (the
"Loan Agreement") by and between the Lender and the Borrower.  The principal
hereof and interest accruing thereon shall be due and payable as provided in the
Loan Agreement.  This Note may be prepaid only in accordance with the Loan
Agreement.

This Note is issued pursuant, and is subject, to the Loan Agreement, which
provides, among other things, for acceleration hereof.  This Note is the "Note"
referred to in the Loan Agreement.

This Note is secured, among other things, pursuant to the Loan Agreement, and
may now or hereafter be secured by one or more other security agreements,
mortgages, deeds of trust, assignments or other instruments or agreements.

The Borrower hereby agrees to pay all costs of collection, including attorneys’
fees and legal expenses in the event this Note is not paid when due, whether or
not legal proceedings are commenced.

Presentment or other demand for payment, notice of dishonor and protest are
expressly waived.

 
 

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All rights and obligations hereunder shall be governed by the laws of the State
of Connecticut and this Note shall be deemed to be under seal.
 
Witnessed By:
 
VERTEX ENERGY, INC.
   
VERTEX ENERGY OPERATING, LLC
   
VERTEX ACQUISITION SUB, LLC
   
VERTEX REFINING LA, LLC
   
VERTEX II GP, LLC
 
 
VERTEX MERGER SUB, LLC
        /s/ Chris
Carlson                                                              
By:
/s/ Benjamin P. Cowart                                       
Benjamin P. Cowart, President and Chief
     
Executive Officer of Each of the Above
           
CEDAR MARINE TERMINALS, LP
   
CROSSROAD CARRIERS, L.P.
   
H & H OIL, L. P.
   
VERTEX RECOVERY, L.P.
   
By:
VERTEX II GP, LLC,
     
Sole General Partner of Each of the Above

        /s/ Chris
Carlson                                                              
By:
/s/ Benjamin P. Cowart                                       
Benjamin P. Cowart
     
President and Chief Executive Officer

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