**Exhibit 10.43**     **THIS AMENDMENT (“Amendment”) TO COAL SUPPLY AGREEMENT**is entered into as of February 26, 2008, by and between Patriot Coal Sales LLC, a Delaware limitedliability company (“Patriot”), and COALSALES, LLC, a Delaware limited liability company(“COALSALES”).**WITNESSETH:**     **WHEREAS,**Seller and Buyer entered into a Coal Supply Agreement dated as of October 22, 2007(“Agreement”) for the sale of coal by Patriot to COALSALES for delivery to various End Customersof the quality, in the amounts, and upon the terms and conditions set forth therein; and     **WHEREAS,**Seller and Buyer desire to amend the Agreement as set forth herein,     **NOW THEREFORE,**for good and valuable consideration, and intending to be legally bound, theParties hereby agree as follows: 1. Section 2.10 is hereby amended and restated in its entirety to read asfollows:   “2.10 **Payment Terms; Payment Disputes.**All invoices for coal shipped hereundershall be submitted by Patriot directly to COALSALES at the billing address(s)provided by COALSALES (e.g. mail, facsimile and EDI as applicable), in accordancewith the same payment terms governing COALSALES’ submission of invoices to its EndCustomer(s). With respect to all coal deliveries made by Patriot to COALSALES priorto February 1, 2008 (“Initial Settlement Date”) for which COALSALES has notpreviously paid Patriot, COALSALES shall pay to Patriot on the fifth(5th) calendar day following the receipt of the applicable invoice fromPatriot the amount due under each such invoice which shall be deemed full paymentfor all coal deliveries under each such invoice, subject to the quarterlyreconciliation adjustment as provided below. With respect to all coal deliveriesmade by Patriot after the Initial Settlement Date, and notwithstanding thatCOALSALES may not have received full payment from its End Customer(s), COALSALESshall remit payment to Patriot on the fifth (5th) calendar day following COALSALES’receipt of an invoice from Patriot for such coal deliveries (“Estimated Billings”)prepared in accordance with the terms of the applicable End Customer Contract.
 

 
   For each calendar quarter commencing with the calendar quarter ended December 31, 2007, the partiesshall reconcile all payables to Patriot from COALSALES for deliveries during such calendar quarter(“Quarterly Deliveries”), against all payments receivable by COALSALES from the End Customers forQuarterly Deliveries. COALSALES shall provide Patriot with documentation from each End Customer asto the actual amount that COALSALES has received from each End Customer for Quarterly Deliveriesincluding, but not limited to, adjustments for coal quality and other pricing adjustments.COALSALES shall compare the actual amounts received from each End Customer to the EstimatedBillings paid by COALSALES to Patriot during such calendar quarter. If COALSALES owes Patriot anadditional amount for such Quarterly Deliveries, COALSALES shall pay such additional amount toPatriot within five (5) calendar.days of the completion of the reconciliation process. If COALSALEShas overpaid Patriot for such Quarterly Deliveries, Patriot shall remit such overpayment toCOALSALES within five (5) calendar days of the completion of the reconciliation process. Interestwill not be due on any payments made as a result of the reconciliation process. The parties agreeto complete the reconciliation process within ninety (90) days after December 31, 2007 and withinsixty (60) days after the end of each calendar quarter thereafter.    If an End Customer files for bankruptcy or if an End Customer’s creditworthiness significantlydeteriorates (as determined by COALSALES using reasonable commercial standards), COALSALES shallpromptly send a written notice to Patriot and shall have the obligation to remit payment toPatriot for deliveries to such End Customer only upon receipt of payment from such End Customer.    If an End Customer advises COALSALES that it will refuse to pay the total invoice for coaldeliveries for any reason, COALSALES shall promptly send a written notice to Patriot and shallhave the obligation to remit payment to Patriot for such coal deliveries only upon receipt ofpayment from such End Customer.    COALSALES will continue to monitor for Patriot the creditworthiness of End Customers in accordancewith its then current policy and will make recommendations to Patriot regarding changes in thecreditworthiness of any End Customer. COALSALES shall cooperate fully with Patriot in thesematters.
 

 
   Patriot agrees that in the event of a payment dispute between COALSALES and EndCustomer or non-payment by End Customer, it will cooperate fully with COALSALESand will take all reasonable measures to assist COALSALES in resolving any issueswith End Customer relating to invoices, payment, and collection of all outstandingamounts due from End Customer.” 2. Except as herein modified and amended, all terms and provisions of the Agreement shall otherwise remain unchanged.  3. This Amendment may be executed in one or more counterparts, all ofwhich taken together shall constitute but one and the same instrument.     **IN WITNESS WHEREOF,**the parties have executed and delivered this Amendment as of the day andyear first above written.**COALSALES, LLC**     By: /s/ Walter L. Hawkins       Name: Walter L. Hawkins, Jr.  Title: SVP & Treasurer  Date: 2/26/08  **PATRIOT COAL SALES LLC**     By: /s/ Robert Mead       Name: Robert Mead   Title: VP & Treasurer  Date: 3-05-08