Document:

Exhibit

EXHIBIT 10.4

Portions of this Exhibit have been redacted pursuant to a request for confidential treatment
under Rule 24b-2 of the General Rules and Regulations under the Securities Exchange Act.
Omitted information marked “******” in this Exhibit has been filed with the Securities and
Exchange Commission together with such request for confidential treatment.

EIGHTEENTH AMENDMENT TO COAL SUPPLY AGREEMENT

Between

PACIFICORP

and

WESTMORELAND KEMMERER INC.

THIS EIGHTEENTH AMENDMENT amends the Coal Supply Agreement dated July 1, 1992, as amended and restated in the FIFTEENTH AMENDMENT TO COAL SUPPLY AGREEMENT, effective July 1, 2010 as further amended (“CSA”) between WESTMORELAND KEMMERER, INC., a Delaware corporation with offices in Englewood, Colorado, successor in interest to Chevron Mining Inc.  (“Seller”), and PACIFICORP, an Oregon corporation with offices in Salt Lake City, Utah (“Buyer”).

RECITALS

		
	A.
	The Parties desire to amend Section 8.06 of the CSA at the same time they desire to amend the COAL SUPPLY AGREEMENT between PACIFICORP and WESTMORELAND KEMMERER, INC., as successor in interest to Chevron Mining Inc., with deliveries commencing January 1, 2017 (the 2017 CSA), as set forth in the First Amendment to 2017 CSA.

		
	B.
	Seller and Buyer intend for the Eighteenth Amendment to CSA, and the First Amendment to 2017 CSA, to become effective simultaneously.

In consideration of the mutual benefits, the Parties amend the CSA as follows:

		
	1.
	Section 8.06 as presently written shall be deleted and replaced with the following:

“8.06 Calculation of Excuse Tons

		
	(a)
	For Excuse events declared by Seller under Section 8.01, the determination of tons affected by an Excuse event for the purpose of Section 5.02 shall be calculated by taking the total deliveries over the previous thirty-six (36) months unaffected by Excuse events 

EXHIBIT 10.4

divided by the number of delivery days in the previous thirty-six (36) months unaffected by Excuse events to arrive at a daily average rate of deliveries. The daily average rate shall then be multiplied by the number of delivery days covered in the Excuse event to arrive at the excused tons. The excused tons shall reduce on a pro-rata basis the quantities contained in the two pricing tiers specified in Section 5.02 based upon and subject to the Annual Maximum.

		
	(b)
	For Excuse events declared by Buyer under Section 8.01, the determination of tons affected by an Excuse event for the purpose of Section 5.02 shall be calculated by taking the total deliveries over the previous thirty-six (36) months unaffected by Excuse events divided by the number of delivery days in the previous thirty-six (36) months unaffected by Excuse events to arrive at a daily average rate of deliveries. The daily average rate of deliveries is further adjusted by a percentage calculated as follows: (i) the tons burned in the unit(s) affected by the Excuse event over the prior 36 months unaffected by Excuse events (ii) divided by the total tons burned at the Plant over the prior 36 months unaffected by Excuse events. This results in the Affected Unit(s) Daily Average. The Affected Unit(s) Daily Average shall then be multiplied by the number of days covered in the Excuse event to arrive at the excused tons. The excused tons shall reduce on a pro-rata basis the quantities contained in the two pricing tiers specified in Section 5.02 based upon and subject to the Annual Maximum. Exhibit I sets forth examples of how the Parties intend for the foregoing calculations to be applied, including the actual calculation by the Parties resulting from the Buyer’s notice, dated October 9, 2014, of an Excuse event beginning September 28, 2014.”

		
	2.
	The Parties hereby add the attached Exhibit I to the CSA.

		
	3.
	The CSA, as amended by this Eighteenth Amendment, is in full force and effect.

The Parties have caused this Eighteenth Amendment to be executed and to become effective on October 20, 2015, which is the same date that the First Amendment to 2017 CSA becomes effective.  

	
			
	Westmoreland Kemmerer LLC
	 
	Pacificorp

	By: /s/ Samuel Hagreen
	 
	By: /s/ Dana Ralston

	Its: General Counsel
	 
	Title: VP COAL GEN & MINING

	Date Signed: October 20, 2015
	 
	Date Signed: October 29, 2016

EXHIBIT 10.4

Exhibit I - Excuse Tons Calculation Examples (Page 1)
Eighteenth Amendment to Coal Supply Agreement
between 
Pacificorp
and
Westmoreland Kemmerer, LLC
(f/k/a Westmoreland Kemmerer, Inc.)

******
Exhibit I Fully RedactedExhibit

EXHIBIT 10.5                

Portions of this Exhibit have been redacted pursuant to a request for confidential treatment
under Rule 24b-2 of the General Rules and Regulations under the Securities Exchange Act.
Omitted information marked “******” in this Exhibit has been filed with the Securities and
Exchange Commission together with such request for confidential treatment.

NINETEENTH AMENDENT TO COAL SUPPLY AGREEMENT
Between PACIFICORP
And

WESTMORELAND   KEMMERER, LLC
(f/k/a Westmoreland Kemmerer, Inc.)

THIS NINETEENTH AMENDENT amends the Coal Supply Agreement dated July 1, 1992, as amended and restated in the FIFTEENTH AMENDMENT TO COAL SUPPLY AGREEMENT, effective July 1, 2010, as further amended ("CSA") between WESTMORELAND KEMMERER, LLC, a Delaware limited liability company with offices in Englewood, Colorado, formerly Westmoreland Kemmerer, Inc., and successor in interest to Chevron Mining Inc. ("Seller"), and PACIFICORP, an Oregon corporation with offices in Salt Lake City, Utah ("Buyer").

RECITALS

Buyer and Seller desire to agree upon new Tier 1 and Tier 2 Purchase Prices for the Agreement, effective January 1, 2016, pursuant to section 5.07 of the Fifteenth Amendment.

THEREFORE, the parties agree as follows:

1. Effective as of January 1, 2016, Section 5.02 Base Prices is deleted in its entirety and replaced with the following:

5.02 Base Prices. The Base Prices established as of January 1, 2010, shall be $****** per ton up to ****** tons ("Tier 1")  and $****** per ton for ******  to  ****** tons ("Tier 2"). The Purchase Price effective on January 1, 2016, shall be $****** per ton up to ****** tons ("Tier 1") and $****** per ton for ****** to ****** tons ("Tier 2"), as set forth on Exhibit I. The Base Prices are composed of the components and subcomponents in the manner described in Exhibit B, Schedules 1-4. The Base Prices are composed of the following "Escalated Components": (i) Medical, (ii) Labor and Benefits, (iii) Materials and Supplies, and (iv) the Composite Component. In addition, the Base Prices are composed of the following "Pass-Through Components":  (i) Severance Tax, (ii) Ad Valorem Tax, (iii) Federal Black Lung Excise Tax, (iv) Federal Abandoned Mined Land Reclamation ("AML") Fee, (v) Royalties, and (vi) Depletion. Each of the Escalated Components and Pass Through Components is described in section 5.03.

2. Prior to January 1, 2016, the prior Section 5.02 under the CSA shall apply. All of the terms and conditions of the Agreement not expressly amended or replaced hereby shall remain in full force and effect.

IN WITNESS WHEREOF, the parties have  caused  this  Nineteenth  Amendment  to  the  Agreement to be  executed  as of the  day and year  first hereinabove written.

	
			
	Westmoreland Kemmerer LLC
	 
	Pacificorp

	By: /s/ Kevin Paprzycki
	 
	By: /s/ Dana Ralston

	Its: CEO
	 
	Title: VP COAL GEN & MINING

	Date Signed: 4.15.16
	 
	Date Signed: 4/22/16

Exhibit I (Page 1) 
Reset Purchase Price effective January 1, 2016

******
Exhibit I Fully Redacted

Exhibit I (Page 2) 
Reset Purchase Price effective January 1, 2016

******
Exhibit I Fully RedactedExhibit

EXHIBIT 10.6

TWENTIETH AMENDMENT TO COAL SUPPLY AGREEMENT

Between

PACIFICORP

And

WESTMORELAND KEMMERER, LLC
(f/k/a Westmoreland Kemmerer, Inc.)

THIS TWENTIETH AMENDMENT amends the Coal Supply Agreement dated July 1, 1992, as amended and restated in the FIFTEENTH AMENDMENT TO COAL SUPPLY AGREEMENT, effective July 1, 2010, as further amended (“CSA”) between WESTMORELAND KEMMERER, LLC, a Delaware limited liability company with offices in Englewood, Colorado, formerly Westmoreland Kemmerer, Inc., and successor in interest to Chevron Mining Inc. (“Seller”), and PACIFICORP, an Oregon corporation with offices in Salt Lake City, Utah (“Buyer”).

RECITALS

		
	A.
	The Parties desire to amend Section 3.04 of the CSA at the same time they desire to amend the COAL SUPPLY AGREEMENT between PACIFICORP and WESTMORELAND KEMMERER, LLC., formerly Westmoreland Kemmerer, Inc., as successor in interest to Chevron Mining Inc., with deliveries commencing January 1, 2017 (the 2017 CSA), as set forth in the Second Amendment to 2017 CSA.

		
	B.
	Seller and Buyer intend for the Twentieth Amendment to CSA, and the Second Amendment to 2017 CSA, to become effective simultaneously.

In consideration of the mutual benefits and for other good and valuable consideration, the receipt of which is acknowledged, the Parties amend the CSA as follows:

		
	1.
	Section 3.04(c) Over/Under Account as presently written shall be deleted in its entirety. As a result, Exhibit E “Over/Under Account Examples” shall also be deleted in its entirety.

		
	2.
	The CSA, as amended by this Twentieth Amendment, is in full force and effect.

IN WITNESS WHEREOF, the Parties have caused this Twentieth Amendment to be executed and to become effective on June 15, 2016, which is the same date that the Second Amendment to 2017 CSA becomes effective.

WESTMORELAND KEMMERER, LLC        PACIFICORP

By: _/s/ Scott Sturm                                        By: _/s/ Dana Ralston_____________

Its: __VP, Sales & Marketing                         Its: __VP COAL GEN & MINING___

Date signed: ___6/14/2016                             Date signed: ______6/15/2016______

1

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