SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT

Exhibit 10.20

EXECUTION COPY

[ARCH COAL]

SECOND AMENDMENT TO

PURCHASE AND SALE AGREEMENT

THIS SECOND AMENDMENT TO PURCHASE AND SALE AGREEMENT (this “Amendment”), dated as of November 11, 2011, is entered into among the VARIOUS ORIGINATORS PARTY TO THE AGREEMENT (as defined below) (each an “Originator”; and collectively, the “Originators”), each of the entities set forth on Schedule I hereto (each an “Additional Originator” and collectively, the “Additional Originators”), and ARCH COAL, INC., (the “Company”).

RECITALS

1.                                       The Company and the Originators are parties to the Purchase and Sale Agreement, dated as of February 3, 2006 (as amended, restated, supplemented or otherwise modified through the date hereof, the “Agreement”); and

2.                                       Concurrently herewith, each of the Additional Originators is becoming a party to the Agreement pursuant to that certain Joinder Agreement, dated as of the date hereof, among each of the Additional Originators and the Company.

3.                                       The parties hereto desire to amend the Agreement as hereinafter set forth.

NOW THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows:

SECTION 1.                                Certain Defined Terms.  Capitalized terms that are used but not defined herein shall have the meanings set forth in the Agreement.

SECTION 2.                                Amendments to the Agreement.  The Agreement is hereby amended as follows:

2.1                                 With respect to each Additional Originator, any reference in the Agreement to the “Closing Date” or “the date hereof” shall be deemed to be a reference to “ November 11, 2011”.

2.2                                 With respect to each Additional Originator, any reference in the Agreement to the “Cut-off Date” shall be deemed to be a reference to “October 31, 2011”.

2.3                                 The mailing address and facsimile number of each of the Additional Originators for which notices and other communications shall be delivered pursuant to Section 10.2 of the Agreement is as set forth under its name on Schedule II attached hereto.

2.4                                 Schedule I to the Agreement is hereby replaced in its entirety with Schedule III attached hereto.

2.5                                 Schedule II to the Agreement is hereby replaced in its entirety with Schedule IV attached hereto.

2.6                                 Schedule IV to the Agreement is hereby replaced in its entirety with Schedule V attached hereto.

2.7                                 Schedule V to the Agreement is hereby replaced in its entirety with Schedule VI attached hereto.

SECTION 3.                                Representations and Warranties.  Each of the Originators and each of the Additional Originators hereby represents and warrants as follows:

(a)                                  Representations and Warranties.  The representations and warranties made by it in the Transaction Documents are true and correct as of the date hereof (unless stated to relate solely to an earlier date, in which case such representations or warranties were true and correct as of such earlier date).

(b)                                 Enforceability.  The execution and delivery by such Person of this Amendment, and the performance of each of its obligations under this Amendment and the Agreement, as amended hereby, are within each of its corporate powers and have been duly authorized by all necessary organizational action on its part.  This Amendment and the Agreement, as amended hereby, are such Person’s valid and legally binding obligations, enforceable in accordance with their respective terms.

(c)                                  No Default. Both before and immediately after giving effect to this Amendment and the transactions contemplated hereby, no Purchase and Sale Termination Event, Unmatured Purchase and Sale Termination Event, Termination Event or Unmatured Termination Event exists or shall exist.

SECTION 4.                                Effect of Amendment.  All provisions of the Agreement, as expressly amended and modified by this Amendment, shall remain in full force and effect. After this Amendment becomes effective, all references in the Agreement (or in any other Transaction Document) to “this Agreement”, “hereof”, “herein” or words of similar effect referring to the Agreement shall be deemed to be references to the Agreement as amended by this Amendment. This Amendment shall not be deemed, either expressly or impliedly, to waive, amend or supplement any provision of the Agreement other than as set forth herein.

SECTION 5.                                Effectiveness.  This Amendment shall become effective as of the date hereof upon receipt by the Administrator of duly executed counterparts of this Amendment.

SECTION 6.                                Counterparts.  This Amendment may be executed in any number of counterparts and by different parties on separate counterparts, each of which when so executed shall be deemed to be an original and all of which when taken together shall constitute but one and the same instrument.  Delivery of an executed counterpart of a signature page to this Amendment by facsimile or electronic transmission shall be effective as delivery of a manually executed counterpart hereof.

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SECTION 7.                                Governing Law.  This Amendment shall be governed by, and construed in accordance with, the internal laws of the State of New York.

SECTION 8.                                Section Headings.  The various headings of this Amendment are included for convenience only and shall not affect the meaning or interpretation of this Amendment, the Agreement or any provision hereof or thereof.

[SIGNATURES BEGIN ON NEXT PAGE]

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IN WITNESS WHEREOF, the parties have caused this Amendment to be executed by their respective officers thereunto duly authorized as of the date first above written.

Second Amendment to PSA (Arch Coal)

S-1

Second Amendment to PSA (Arch Coal)

S-2

Second Amendment to PSA (Arch Coal)

S-3

CONSENT TO:

PNC BANK, National Association

Second Amendment to PSA (Arch Coal)

S-4

Schedule I

Bronco Mining Company, Inc.

CoalQuest Development LLC

Hawthorne Coal Company, Inc.

Hunter Ridge Coal Company

Hunter Ridge Holdings, Inc.

Hunter Ridge, Inc.

ICG ADDCAR Systems, LLC

ICG Beckley, LLC

ICG East Kentucky, LLC

ICG Eastern, LLC

ICG Eastern Land, LLC

ICG Hazard, LLC

ICG Hazard Land, LLC

ICG Illinois, LLC

ICG, Inc.

ICG Knott County, LLC

ICG, LLC

ICG Natural Resources, LLC

ICG Tygart Valley, LLC

International Coal Group, Inc.

Juliana Mining Company, Inc.

King Knob Coal Co., Inc.

Marine Coal Sales Company

Melrose Coal Company, Inc.

Patriot Mining Company, Inc.

Powell Mountain Energy, LLC

Simba Group, Inc.

Upshur Property, Inc.

Vindex Energy Corporation

White Wolf Energy, Inc.

Wolf Run Mining Company

Second Amendment to PSA (Arch Coal)

Schedule I-1

Schedule II

Bronco Mining Company, Inc.

CoalQuest Development LLC

Hawthorne Coal Company, Inc.

Hunter Ridge Coal Company

Hunter Ridge Holdings, Inc.

Hunter Ridge, Inc.

ICG ADDCAR Systems, LLC

ICG Beckley, LLC

ICG East Kentucky, LLC

ICG Eastern, LLC

ICG Eastern Land, LLC

ICG Hazard, LLC

ICG Hazard Land, LLC

ICG Illinois, LLC

ICG, Inc.

ICG Knott County, LLC

ICG, LLC

ICG Natural Resources, LLC

ICG Tygart Valley, LLC

International Coal Group, Inc.

Juliana Mining Company, Inc.

King Knob Coal Co., Inc.

Marine Coal Sales Company

Melrose Coal Company, Inc.

Patriot Mining Company, Inc.

Powell Mountain Energy, LLC

Simba Group, Inc.

Upshur Property, Inc.

Vindex Energy Corporation

White Wolf Energy, Inc.

Wolf Run Mining Company

Attention: James E. Florczak

Telephone ###-###-####

Facsimile: 314 ###-###-####

Second Amendment to PSA (Arch Coal)

Schedule II-1

Schedule III

Schedule I

LIST OF ORIGINATORS

Arch Coal Sales Company, Inc.

Arch Coal Terminal, Inc.

Arch Energy Resources, LLC

Arch Western Resources, LLC

Canyon Fuel Company, LLC

Coal-Mac, Inc.

Cumberland River Coal Company

Lone Mountain Processing, Inc.

Mingo Logan Coal Company

Mountain Coal Company, L.L.C.

Thunder Basin Coal Company, L.L.C.

Bronco Mining Company, Inc.

CoalQuest Development LLC

Hawthorne Coal Company, Inc.

Hunter Ridge Coal Company

Hunter Ridge Holdings, Inc.

Hunter Ridge, Inc.

ICG ADDCAR Systems, LLC

ICG Beckley, LLC

ICG East Kentucky, LLC

ICG Eastern, LLC

ICG Eastern Land, LLC

ICG Hazard, LLC

ICG Hazard Land, LLC

ICG Illinois, LLC

ICG, Inc.

ICG Knott County, LLC

ICG, LLC

ICG Natural Resources, LLC

ICG Tygart Valley, LLC

International Coal Group, Inc.

Juliana Mining Company, Inc.

King Knob Coal Co., Inc.

Marine Coal Sales Company

Melrose Coal Company, Inc.

Patriot Mining Company, Inc.

Powell Mountain Energy, LLC

Second Amendment to PSA (Arch Coal)

Schedule III-1

Simba Group, Inc.

Upshur Property, Inc.

Vindex Energy Corporation

White Wolf Energy, Inc.

Wolf Run Mining Company

Second Amendment to PSA (Arch Coal)

Schedule III-2

Schedule IV

Schedule II

LOCATION OF EACH ORIGINATOR

Second Amendment to PSA (Arch Coal)

Schedule IV-1

Second Amendment to PSA (Arch Coal)

Schedule IV-2

Schedule V

Schedule IV

TRADE NAMES

Second Amendment to PSA (Arch Coal)

Schedule V-1

Second Amendment to PSA (Arch Coal)

Schedule V-2

Schedule VI

Schedule V

LOCATION OF MINING OPERATIONS

Second Amendment to PSA (Arch Coal)

Schedule VI-1

Second Amendment to PSA (Arch Coal)

Schedule VI-2

Second Amendment to PSA (Arch Coal)

Schedule VI-3