Document:

Exhibit 4.34.1

 

Supplemental Agreement No. 8 (SA-8)

 

to

 

Purchase Agreement No. 3158

 

between

 

The Boeing Company

 

and

 

TAM Linhas Aéreas S.A.

 

Relating to Boeing Model 777 Aircraft

 

THIS SUPPLEMENTAL AGREEMENT, entered into
as of _____________, 2015, by and between THE BOEING COMPANY (Boeing) and TAM Linhas
Aéreas S.A. (Customer);

 

WHEREAS, Boeing and
Customer entered into Purchase Agreement No. 3158 dated February 8, 2007 relating to Boeing Model 777-32WER aircraft (Aircraft)
which agreement, including all tables, exhibits, supplemental exhibits and specifications thereto, together with all letter agreements
then or thereafter entered into that by their terms constitute part of such purchase agreement as may be amended and supplemented
from time to time (the “Purchase Agreement”).

 

WHEREAS [***];

 

WHEREAS, [***];

 

WHEREAS, Boeing and
Customer have mutually agreed to amend the Purchase Agreement to incorporate the effect of this and certain other changes.

 

AGREEMENT

 

NOW THEREFORE, and
in consideration of the mutual covenants herein contained, the parties agree to amend the Purchase Agreement as follows:

 

		1.	Revision of Table of Contents and Aircraft Information Table to the Purchase Agreement:

 

		1.1.	Table of Contents. The Table of Contents of the Purchase Agreement is deleted in its entirety
and is replaced by the new Table of Contents identified with an SA-8 legend and attached hereto.

 

		1.2.	Tables. “Table 3 to Purchase Agreement No. 3158, Aircraft Delivery, Description, Price
and Advance Payments” (Table 3) is deleted in its entirety and the new Table 3 entitled “Table 3 to Purchase
Agreement No. PA-3158 Aircraft Delivery, Description, Price and Advance Payments” attached hereto is substituted in lieu
thereof to reflect the new delivery positions for the two (2) 777 Freighter delivery positions.

 

“[***]” This information is subject to confidential
treatment and has been omitted and filed separately with the commission.

 

     

     

    

 

		2.	Letter Agreements.

 

		2.1.	[***].

 

		3.	[***].

 

[***].

 

		4.	[***].

 

[***].

 

EXECUTED IN DUPLICATE as of the day and year first above written.

 

DATED AS OF this _______day of ________________________ of 2015

 

	TAM Linhas Aéreas S.A.	 	THE BOEING COMPANY
	 	 	 	 	 
	 	 	 	By:	 
	 	 	 	 	 
	By:	 	 	 	[***]
	 	 	 	 	 
	 	 	 	 	 
	 	(Printed or Typed Name)	 	Its:	[***]
	 	 	 	 	 
	Its:	 	 	 	 
	 	 	 	 	 
	By:	 	 	 	 
	 	 	 	 	 
	 	 	 	 	 
	 	(Printed or Typed Name)	 	 	 
	 	 	 	 	 
	Its:	 	 	 	 

 

P.A. No. 3158

TAM

Boeing Proprietary

“[***]” This information is subject to confidential
treatment and has been omitted and filed separately with the commission.

 

     

     

    

 

TABLE OF CONTENTS

 

	 	 	Supplemental Agreement 

Number
	ARTICLES	 	 	 
	1.	Quantity, Model and Description	 	 
	2.	Delivery Schedule	 	 
	3.	Price	 	 
	4.	Payment	 	 
	5.	Miscellaneous	 	 
	TABLE	 	 
	1	2008 Delivery Year Aircraft Information Table	 	SA-2
	1	2012 Delivery Year Aircraft Information Table	 	SA-5
	2	2013 Delivery Year Aircraft Information Table	 	SA-5
	3	Table 3 Aircraft	 	SA-8
	EXHIBIT	 	 
	A.	Aircraft Configuration	 	SA-2
	A-2	Aircraft Configuration for the 2013 Delivery Year Aircraft	 	SA-3
	A-4	Aircraft Configuration for the Table 3 Aircraft	 	SA-7
	B.	Aircraft Delivery Requirements &Responsibilities	 	 
	 	 	 	 
	SUPPLEMENTAL EXHIBITS	 	 
	[***]	[***]	 	 
	[***]	[***]	 	[***]
	BFE1	Buyer Furnished Equipment Variables	 	SA-6
	CS1	Customer Support Document	 	 
	EE1.	Engine Escalation And Engine Warranty	 	 
	SLP1.	Service Life Policy Components	 	 

 

“[***]” This information is subject to confidential
treatment and has been omitted and filed separately with the commission.

 

     

     

    

 

	LETTER AGREEMENTS	 	 	SA 

Number
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	 
	[***]	[***]	 	 	 
	[***]	[***]	 	 	 
	6-1162-AJH-0848	Customer Directed Seller  Purchased Equipment	(LA No. 9)	 	SA-5
	[***]	[***]	 	 	 
	6-1162-AJH-0850	Spare Parts Initial Provisioning	(LA No.11)	 	 
	[***]	[***]	 	 	 
	[***]	[***]	 	 	 
	[***]	[***]	 	 	 
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]
	[***]	[***]	 	 	[***]

 

P.A. No. 3158

TAM

Boeing Proprietary

“[***]” This information is subject to confidential
treatment and has been omitted and filed separately with the commission.

 

     

     

    

 

Table 3 To

Purchase Agreement No. PA-03158

Aircraft Delivery, Description,
Price and Advance Payments

  

	Airframe Model/MTOW:               777-Freighter	[***]	 	Detail Specification:	[***]	 
	 	 	 	 	 	 
	Engine Model/Thrust:                    GE90-110B1L	[***]	 	Airframe Price Base Year/Escalation Formula:	[***]	[***]
	 	 	 	 	 	 
	Airframe Price:	[***]	 	Engine Price Base Year/Escalation Formula:	[***]	[***]
	 	 	 	 	 	 
	Optional Features:	[***]	 	 	 	 
	 	 	 	 	 	 
	Sub-Total of Airframe and Features:	[***]	 	Airframe Escalation Data:	 	 
	 	 	 	 	 	 
	Engine Price (Per Aircraft):	[***]	 	[***]	[***]	 
	 	 	 	 	 	 
	Aircraft Basic Price (Excluding BFE/SPE):	[***]	 	[***]	[***]	 
	 	 	 	 	 	 
	Buyer Furnished Equipment (BFE) Estimate:	[***]	 	 	 	 
	 	 	 	 	 	 
	Seller Purchased Equipment (SPE)/In-Flight Entertainment (IFE)// Estimate:	[***]	 	 	 	 
	 	 	 	 	 	 
	Deposit per Aircraft:	[***]	 	 	 	 

 

	 	 	[***]	 	 	[***]	[***]	 	 	 
	Delivery	Number
    of 	[***]	 	 	[***]	[***]	[***]	[***]	[***]
	Date	Aircraft	[***]	 	 	[***]	[***]	[***]	[***]	[***]
	[***]	1	[***]	 	 	[***]	[***]	[***]	[***]	[***]
	[***]	1	[***]	 	 	[***]	[***]	[***]	[***]	[***]
	Total:	2	 	 	 	 	 	 	 	 

 

“[***]” This information is subject to
confidential treatment and has been omitted and filed separately with the commission.

 

    	 	Boeing Proprietary	Page 1

     

    

 

6-1161-DJH-1295R1

 

TAM Linhas Aéreas S.A.

Rua General Pantaleão Teles, 210

Sao Paulo - SP

04355-040

Brazil

 

		Subject:	777F Aircraft Model Substitution Rights

 

		Reference:	Purchase Agreement No. PA-3158 (Purchase Agreement) between The Boeing Company (Boeing)
and TAM Linhas Aereas S.A. (Customer) relating to Model 777 aircraft (777F Aircraft)

 

This letter agreement
(Letter Agreement) amends and supplements the Purchase Agreement. All terms used but not defined in this Letter Agreement
shall have the same meaning as in the Purchase Agreement.

 

[***]:

 

		1.	Customer’s Written Notice.

 

[***].

 

		2.	Boeing’s Production Capability.

 

		2.1	[***].

 

		2.2	[***].

 

		2.3	[***].

 

		3.	[***].

 

[***].

 

		4.	[***].

 

[***].

 

		5.	[***].

 

		5.1	[***].

 

“[***]” This information is subject to confidential
treatment and has been omitted and filed separately with the commission.

 

     

     

    

 

 

		5.2	[***].

 

		6.	[***].

 

[***].

 

		7.	[***].

 

[***].

 

Very truly yours,

 

	THE BOEING COMPANY	 
	 	 	 
	By	 	 
	 	 	 
	Its	[***]	 

 

	ACCEPTED AND AGREED TO this	 
	 	 	 
	Date:	 	 

 

	TAM Linhas Aéreas S.A.	 
	 	 	 
	By	 	 
	 	 	 
	Its	 	 

 

	TAM Linhas Aéreas S.A.	 
	 	 	 
	By	 	 
	 	 	 
	Its	 	 

 

“[***]” This information is subject to confidential
treatment and has been omitted and filed separately with the commission.Exhibit 10.7

 

AMENDMENT ASSIGNMENT AND ASSUMPTION
AGREEMENT

 

This AMENDMENT AND
ASSIGNMENT AND ASSUMPTION AGREEMENT (this “Agreement”) is made as of the 14th day of August, 2014, by and between Anfield
Resources Holding Corp., a Utah Corporation (the “Purchaser”), Anfield Resources Inc., a British Columbia
company (“Anfield”), Uranium One Americas, Inc., a Nevada corporation, as successor to Uranium One Utah Inc.,
Uranium One Ventures U.S.A. Inc. and Uranium One Exploration U.S.A. Inc. (“Seller”), Uranium One Inc., a Canadian
corporation (“Uranium One”), U.S. Energy Corp., a Wyoming corporation (“USE”), Crested Corp.,
a Colorado corporation (“Crested”) which was merged into USE, USECB joint venture, a dissolved joint venture
between USE and Crested commonly referred to as USE/CC (“USE/CC”), Plateau Resources Limited, a dissolved Utah
corporation (“Old Plateau”), Plateau Resources Limited, Inc., a dissolved Utah corporation (“New Plateau”)
and U.S. Uranium Ltd., a dissolved Wyoming corporation (“USUL”) (each of USUL, USE, Crested, USE/CC, Old Plateau
and New Plateau, collectively, the “USE Parties”). Purchaser, Anfield, Seller, Uranium One, and USE Parties are each
a “Party,” and collectively are the “Parties.”

 

RECITALS

 

WHEREAS, pursuant to
an Asset Purchase Agreement among Seller and Purchaser (as may be amended, the “Anfield Asset Purchase Agreement”),
Seller has agreed to sell, convey, grant, assign, transfer, and deliver to Purchaser 100% (one hundred percent) of Seller’s
right, title, and interest in and to the Shootaring Canyon uranium mill and associated facilities and real property located in
Garfield County, Utah, on State Highway 276 approximately 13 miles north of Bullfrog Basin Marina and 48 miles south
of Hanksville, Utah, among other assets (the “Transaction”).

 

WHEREAS, conditioned
upon the closing of the Transaction under the Anfield Asset Purchase Agreement (the “Closing”), (i) Seller and Uranium
One have agreed to assign and Purchaser has agreed to the assumption of the rights and obligations of Seller and Uranium One under
the Asset Purchase Agreement dated February 22, 2007 (“U.S. Energy Asset Purchase Agreement”) between Uranium
One, Seller and the USE Parties that become due and owing on or after the Closing (the “Assumed Obligations”), and
(ii) the Purchaser, Anfield and the USE Parties have agreed to amend the terms of the U.S. Energy Asset Purchase Agreement as set
forth herein.

 

WHEREAS, USE Parties
consent to an assignment and assumption of Seller’s and Uranium One’s obligations under the U.S. Energy Asset Purchase
Agreement, on the terms set forth herein, effective upon Closing.

 

AGREEMENT

 

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

 

		1.	Amendment. This Agreement amends and supplements the U.S. Energy Asset Purchase Agreement
and will be read with and be deemed to form a part of the U.S. Energy Asset Purchase Agreement. Except as specifically amended,
altered, deleted, supplemented or otherwise revised pursuant to the provisions of this Agreement, all of the terms and conditions
set forth in the U.S. Energy Asset Purchase Agreement will remain unaltered and in full force and effect.

 

    	 	Page 1	 

     

    

 

		2.	Consent to Assignment and Assumption of the U.S. Energy Asset Purchase Agreement.
Effective and conditioned upon Closing, the USE Parties hereby (i) consent to the assignment from Seller and Uranium One to Purchaser,
and the assumption by Purchaser, of all of the rights, title, interests and obligations of Seller and Uranium One under the U.S.
Energy Asset Purchase Agreement, subject to the terms of this Agreement, and (ii) release Seller and Uranium One from its obligations
described in Section 2.6 of the U.S. Energy Asset Purchase Agreement including the Payment Guarantee and the Royalty Agreement,
as amended by Section 3 of this Agreement. The consent provided in this Section 2 shall be effective and binding upon the Parties
as of the Closing.

 

		3.	Consideration. Effective and conditioned upon Closing, Section 2.6 of the U.S. Energy
Asset Purchase Agreement will be amended by this Agreement such that the existing wording of Section 2.6 is deleted and replaced
in its entirety with the following:

 

		2.6	Additional Consideration

 

		(a)	Upon the closing of the transactions contemplated by the asset purchase agreement among Anfield
Resources Holding Corp. and Uranium One Americas Inc., as amended if applicable, Anfield Resources Inc. will issue to USE the equivalent
of two million five hundred thousand dollars (US $2,500,000) in Anfield common shares (the “Escrowed Securities”),
to be escrowed and released according to the following schedule:

 

		(A)	10% of total Escrowed Securities to be released within 10 days of Closing;

 

		(B)	15% of total Escrowed Securities to be released at the six-month anniversary of Closing;

 

		(C)	15% of total Escrowed Securities to be released at the twelve-month anniversary of Closing;

 

		(D)	15% of total Escrowed Securities to be released at the eighteen-month anniversary of Closing;

 

		(E)	15% of total Escrowed Securities to be released at the twenty four-month anniversary of Closing;

 

		(F)	15% of total Escrowed Securities to be released at the thirty-month anniversary of Closing;

 

		(G)	15% of total Escrowed Securities to be released at the thirty six-month anniversary of Closing.

 

		(b)	Upon the occurrence of the events described in this Section 2.6(b), Anfield Resources Holding Corp.
will make the following additional payments (collectively, the “Additional Consideration”):

 

    	 	Page 2	 

     

    

 

US $5 million
in cash to be released to USE according to the following schedule:

 

		(A)	Two million five hundred thousand dollars (US $2,500,000) to be paid upon eighteen (18) months
of continuous Commercial Production; “Commercial Production” shall occur when the Shootaring Canyon Mill has been operating
at 60% or more of its design capacity of 750 short tons per day.

 

		(B)	Two million five hundred thousand dollars (US $2,500,000) to be paid upon thirty six (36)
months of continuous Commercial Production.

 

		(c)	All payments of the Additional Consideration shall be made to USE, acting as the agent for the
Sellers, in cash, by check or by wire transfer to the account most recently designated by USE for such purpose.

 

		(d)	Sellers acknowledge that, as Anfield Resources Holding Corp. is under no obligation to use the
Acquired Assets, there can be no assurance that any Additional Consideration will be received.

 

For purposes
of clarification between the Parties, if the Closing does not occur, Section 2.6 of the U.S. Energy Asset Purchase Agreement is
not amended and all obligations of the Seller and Uranium One concerning the Additional Consideration remain unchanged and enforceable
by the USE Parties.

 

		4.	Royalty Agreement. Effective and conditioned upon Closing (i) the U.S. Energy Asset
Purchase Agreement is hereby amended by deleting from such agreement any reference to the “Royalty Agreement”, and
(ii) the Production Payment Royalty Agreement dated April 30, 2007, by and between Seller and USE (defined in the U.S. Energy Asset
Purchase Agreement and herein as the “Royalty Agreement”) is hereby terminated and the Parties agree to perform such
further acts and to execute such documents as may be reasonably required to effect the termination of the Royalty Agreement. For
purposes of clarification between the Parties, if the Closing does not occur, the U.S. Energy Asset Purchase Agreement is not amended,
the Royalty Agreement is not terminated and all obligations of the Seller and Uranium One under the Royalty Agreement remain unchanged
and enforceable by the USE Parties.

 

		5.	Securities Law Resale Restrictions. The USE Parties acknowledge that the Escrowed
Securities are subject to resale restrictions under applicable securities laws in Canada, and unless permitted under applicable
securities legislation, may not be traded for a period of 4 months from the date of issuance. Further, the Escrowed Securities
have not been and will not be registered under the U.S. Securities Act of 1933 or any state securities laws, and accordingly, may
not be offered or sold within the United States unless registered under the U.S. Securities Act of 1933 and applicable state securities
laws or in transactions exempt from such registration requirements. The certificates representing the Escrowed Securities will
bear all legally required legends indicating resale restrictions including: “UNLESS PERMITTED UNDER SECURITIES LEGISLATION,
THE HOLDER OF THIS SECURITY MUST NOT TRADE THE SECURITY IN CANADA BEFORE [INSERT DATE THAT IS FOUR MONTHS AND ONE DAY AFTER CLOSING
DATE].” If reasonably necessary to facilitate the sale of the Escrowed Securities, Anfield will use all reasonable efforts
to issue to USE, in exchange for certificates representing the Escrowed Securities as initially issued pursuant hereto, new certificates
without such a legend, upon USE’s request at any time after the passage of four months and one day from the Closing.

 

    	 	Page 3	 

     

    

 

		6.	Assignment. Effective and conditioned upon Closing, Seller and Uranium One sell,
transfer and assign to Purchaser all Seller’s and Uranium One’s right, title and interest in the U.S. Energy Asset
Purchase Agreement, as amended, as and from the date of Closing.

 

		7.	Assumption. Effective and conditioned upon Closing, Purchaser agrees (i) to assume
all liabilities of Seller and Uranium One under the U.S. Energy Asset Purchase Agreement, as amended, that become due and owing
on or after Closing, and (ii) to observe and perform, all of Seller’s and Uranium One’s obligations under the U.S.
Energy Asset Purchase Agreement, as amended, to be performed on or after the Closing.

 

	8.	Indemnity by the Purchaser. Purchaser will indemnify and save harmless Seller and
Uranium One against and from any and all losses, costs and damages (including legal fees and disbursements) which Seller or Uranium
One may suffer or incur in connection with any non-observance by Purchaser of any of the provisions of this Agreement.

 

		9.	Regulatory Approval. This Agreement is subject to regulatory approval. Anfield agrees
to use all commercially reasonable efforts and take all actions necessary, proper or advisable in order for it to obtain approval
of the TSX Venture Exchange (“TSXV”) prior to Closing approving the transaction contemplated herein.

 

		10.	Amendment. This Agreement may be amended only (i) with the written consent of each
of the Parties, or (ii) after the Closing, provided that the amendment does not impose any obligations on Seller or Uranium One
or otherwise adversely affect either of them, with the written consent of Purchaser, Anfield and the USE Parties.

 

		11.	Termination. If the Anfield Asset Purchase Agreement is terminated prior to the Closing,
then this Agreement shall automatically terminate as of the same date and be of no further force and effect and specifically, the
Amendment of the Additional Consideration contained in Section 3 of this Agreement will not be effective; provided, however, that
such termination shall not relieve any Party of any liability for a breach of this Agreement that occurs prior to such termination.

 

		12.	Successors and Assigns. Except as otherwise provided in this Agreement, the provisions
of this Agreement shall inure to the benefit of, and be binding upon, the successors and assigns of the Parties.

 

		13.	Rights of Third Parties. Nothing contained in this Agreement, express or implied,
shall be deemed to confer any rights or remedies upon, nor obligate a Party, to any person or entity other than such Party, unless
so stated to the contrary.

 

    	 	Page 4	 

     

    

 

		14.	Further Assurances. The Parties each agree to perform such further acts and to execute
such documents as may be reasonably required to effect the transactions contemplated by this Agreement.

 

		15.	Severability. In case any provision of this Agreement shall be held by a court of
competent jurisdiction to be invalid, illegal, or unenforceable, such provision shall automatically be deemed amended to the extent
of such enforceability or deleted entirely. The validity, legality, and enforceability of the remaining provisions shall not in
any way be affected or impaired thereby.

 

		16.	Titles and Headings. The titles and headings contained in this Agreement are inserted
for convenience only and shall not affect in any way the meaning or interpretation of this Agreement.

 

		17.	Governing Law. This Agreement shall be governed by and construed in accordance with
the substantive laws of the State of Colorado.

 

		18.	Counterparts. This Agreement may be executed in any number of counterparts, each
of which shall be enforceable and all of which together shall constitute one instrument.

 

		19.	Costs. Each Party shall bear its own costs and expenses in relation to the transactions
contemplated by this Agreement, including attorney fees.

 

		20.	Capitalized Terms. Except as specifically defined in this Agreement, all terms used
herein will have the respective definitions ascribed thereto in the U.S. Energy Asset Purchase Agreement.

 

    	 	Page 5	 

     

    

 

IN WITNESS WHEREOF, the
Parties have executed and delivered this Amendment, Assignment and Assumption Agreement as of the date first referenced above.

 

	URANIUM ONE INC.	 	U.S. ENERGY CORP.
	 	 	 	 	 
	By:	/s/ Christopher Sattler	 	By:	/s/ Mark J. Larsen
	Name: 	Christopher Sattler	 	Name: 	Mark J. Larsen
	Title:	Chief Executive Officer	 	Title:	President
	 	 	 	 	 
	URANIUM ONE AMERICAS, INC.	 	CRESTED CORP.
	 	 	 	 	 
	By:	/s/ Donna L. Wichers	 	By:	/s/ Keith G. Larsen
	Name:	Donna L. Wichers	 	Name:	Keith G. Larsen
	Title:	President	 	Title:	Co Chairman
	 	 	 	 	 
	Anfield Resources Holding Corp.	 	PLATEAU RESOURCES LIMITED
	 	 	 	 	 
	By:	/s/ Joshua Bleak	 	By:	/s/ Keith G. Larsen
	Name:	Joshua Bleak	 	Name:	Keith G. Larsen
	Title:	Director	 	Title:	Chairman
	 	 	 	 	 
	Anfield Resources Inc.	 	PLATEAU RESOURCES LIMITED, INC.
	 	 	 	 	 
	By:	/s/ Corey Dias	 	By:	/s/ Keith G. Larsen
	Name:	Corey Dias	 	Name:	Keith G. Larsen
	Title:	CEO	 	Title:	Chairman
	 	 	 	 	 
	 	 	 	U.S. URANIUM LTD.
	 	 	 	 	 
	 	 	 	By:	/s/ Keith G. Larsen
	 	 	 	Name:	Keith G. Larsen
	 	 	 	Title:	Chairman

  

    	 	Page 6

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