Document:

Exhibit
10.22

 

Amended
and Restated

Amendment
to Materials Extraction Agreement

 

This
Amended and Restated Amendment to Materials Extraction Agreement (this “Amended and Restated Amendment”) is entered
into and effective as of June 17, 2022 (“Effective Date”), by and between Purebase Corporation (“Purebase”),
a corporation organized under the laws of the State of Nevada, with offices located at 8631 State Highway 124, Ione, California 95640
and US Mine, LLC (“US Mine”), a California limited liability company, with offices located at 8625 State Highway 124,
Ione, California 95640. Purebase and US Mine are collectively referred to herein as the “Parties” and individually as a “Party.”

 

RECITALS

 

WHEREAS,
effective as of May 27, 2021, the parties executed and delivered a Materials Extraction Agreement (the “Agreement”)
with respect to the acquisition by Purebase of certain rights to construct a Metakaolin Plant and to process Materials (capitalized terms
used in this Amended and Restated Amendment not otherwise defined shall have the meanings ascribed to such terms in the Agreement), and

 

WHEREAS,
effective as of October 6, 2021, the parties entered into an amendment (the “Amendment”), to amend certain terms of
the Agreement; and

 

WHEREAS,
the Parties desire to amend and restate the Amendment, solely to correct Section 3 thereof.

 

NOW,
THEREFORE, in consideration of the premises and agreements contained herein, and other good and valuable consideration, the receipt and
sufficiency of which are hereby acknowledged, the Parties hereby agree as follows:

 

TERMS

 

1.
Incorporation of Recitals. The Recitals set forth above are a material part of this Amended and Restated Amendment and are incorporated
herein by this reference.

 

2.
Purchase Price. Section 2 of the Agreement shall be deleted in its entirety and replaced with the following:

 

“In
consideration for the Mining Activities, Purebase shall grant US Mine an option to purchase an aggregate of 116,000,000 shares of common
stock of Purebase (the “Option Shares”). The right to purchase the Option Shares shall vest as follows:

 

	 	(i)	58,000,000
    of the Option Shares shall vest six months after the Effective Date on April 6th, 2022;

 

	 	(ii)	29,000,000
    of the Option Shares shall vest twelve months after the Effective Date on October 6th, 2022; and

 

    	 

     

    

 

	 	(iii)	29,000,000
    of the Option Shares shall vest on April 6th, 2023.

 

The
exercise price per Option Share shall be $0.38, the closing price of a share of common stock on the date hereof. Payment
shall be made by US Mine in cash for each exercise, and US Mine shall have the right to exercise the options until April 6th, 2028.
All the terms of the option grant shall be governed by the issuance of a stock option agreement, in the form attached hereto as Exhibit
A (the “Option Agreement”).”

  

	 	3.	Promissory
    Note. The Parties agree and acknowledge that, as of October 6, 2021, the Note was retroactively rescinded, ab initio.

 

	 	4.	Amendment.
    Except as expressly modified by this Amended and Restated Amendment, and as previously amended by the Amendment, all terms and conditions
    of the Agreement shall remain in full force and effect and are hereby in all respects ratified and affirmed. All references to the
    Agreement hereafter shall be deemed to refer to the Agreement, as amended by the Amendment and this Amended and Restated Amendment.

 

	 	5.	Miscellaneous
    Provisions.

 

(a)
Binding Effect. This Amended and Restated Amendment is binding upon, and inures to the benefit of, each Party hereto and its directors,
officers, employees, agents, representatives, affiliates, assigns, and successors.

 

(b)
Non-Waiver. Neither Party shall be deemed, by any act of omission or commission, to have waived any of its rights or remedies
hereunder unless such waiver is in writing and signed by that Party, and then only to the extent specifically set forth in writing. A
waiver with reference to one event shall not be construed as continuing or as a bar to or waiver of any right or remedy as to a subsequent
event.

 

(c)
Severability. If any provision of this Amended and Restated Amendment is held by a court of competent jurisdiction to be invalid,
void, or unenforceable, the remaining provisions of this Amended and Restated Amendment will continue in full force and effect without
being impaired or invalidated in any way and will be construed in accordance with the purposes and intent of this Amended and Restated
Amendment as set forth by the Parties.

 

(d)
Interpretation. Each Party acknowledges that it has participated in the drafting of this Amended and Restated Amendment, and any
applicable rule of construction to the effect that ambiguities are to be resolved against the drafting Party will not be applied in connection
with the construction or interpretation of this Amended and Restated Amendment.

 

    	 

     

    

 

(e)
Opportunity to Consult Counsel. Each Party represents to the other that it has had an opportunity to have this Amended and Restated
Amendment reviewed by legal counsel of its choosing and has done so to its satisfaction, that it has had a full opportunity to review
the terms of this Amended and Restated Amendment, that it fully understands the legal effect of each provision of this Amended and Restated
Amendment, and that it has willingly consented to the terms of this Amended and Restated Amendment.

 

(f)
Further Acts. Each party agrees to perform any further acts and to execute and deliver any documents which may be reasonably necessary
to carry out the provisions of this Amended and Restated Amendment.

 

(g)
Governing Law. This Amended and Restated Amendment shall be governed by and interpreted in accordance with the laws of the State
of California, excluding any choice of law provisions.

 

(h)
Jurisdiction; Venue. Any action taken to enforce this Amended and Restated Amendment shall be maintained in the Superior Court
of Amador County, California. The parties expressly consent to the jurisdiction of said court and agree that said court shall be a proper
venue for any such action.

 

(i)
Mutual Representations. Each Party hereby represents and warrants to the other: that it has full corporate power and authority
and is duly authorized under applicable law, its articles of incorporation and its by-laws, to own its properties and to conduct its
business as presently conducted and as herein contemplated, and to enter into and perform this Amended and Restated Amendment in accordance
with the terms hereof; and that neither such entering into nor such performance violates or will violate such articles of incorporation
or by-laws or any agreement or other instrument, or any federal, state or local law, regulation or ordinance applicable to such Party
or by which it is bound. Purebase acknowledges that certain members of its board of directors hold an ownership interest in each Party
and as a result have a personal financial interest in the transaction contemplated by this Amended and Restated Amendment. Purebase has
obtained the approval or unanimous consent of the transactions contemplated by this Amended and Restated Amendment from its disinterested
directors, each of whom have been fully advised of and provided with the details concerning the nature of the common ownership and personal
interests of the interested directors in accordance with Section 78.140 of the Nevada Revised Statutes.

 

(j)
Modifications Must Be Made in Writing. This Amended and Restated Amendment may not be modified, altered, or changed in any manner
whatsoever except by a written instrument duly executed by authorized representatives of the Parties.

 

(k)
Counterparts. This Amended and Restated Amendment may be executed in two or more counterparts, each of which is an original, but
all of which together will be deemed to be one and the same instrument. Electronically reproduced and/or transmitted signatures are equivalent
to original signatures for all purposes hereof.

 

Remainder
of Page Intentionally Omitted; Signature Pages to Follow

 

    	 

     

    

 

IN
WITNESS WHEREOF, the Parties have executed this Amendment as of the Effective Date.

 

	US
    MINE, LLC	 
	 	
	 
	By:	/s/
    John Bremer	 
	Name:	John
    Bremer	 
	Its:	Member	 

 

	PUREBASE
    CORPORATION	 
	 	
	 
	By:	/s/
                                            A. Scott Dockter
	 
	Name:	A.
    Scott Dockter	 
	Its:	Chairman,
    CEOExhibit 10.1

 

Service Agreement

 

This Service Agreement (the “Agreement”)
is entered into June 10, 2022 (the “Effective Date”) by and between SonicHash LLC (the “Customer”) located
at 375 Park Ave, Fl 1502, Seagram Building, New York, NY 10152, and EVER BEST BIT LIMITED (the “Service Provider”) located
at Vistra Corporate Service Centre, Wickhams Cay I, Road Town, Tortola, VG1110, British Virgin Islands, also individually referred to
as the “Party”, and collectively the “Parties”.

 

		1.	Services. The Service Provider shall perform the services listed in this Section 1 (the “Services”).

 

		1)	The Service Provider will help the Customer find the data mining host service which meet Customer’s
requirements.

 

		2.	Compensation. The Customer agrees to pay the Service Provider based on a price of $0.024/kWh as payment
for the Services provided. This fee shall be calculated based on the following formula and be paid in accordance with the following schedule:

 

Total Services Fee: (Electrical Meter
Reading + Electrical Meter Reading * 3% Electrical Power Loss) * Electricity Rate $0.024/kWh

 

Electrical Meter Reading refers to the
language stated in the hosting agreement dated June 6, 2022, signed between Your Choice Four CA, Inc. and SonicHash LLC(“Hosting
Agreement”)

 

Customer hereby agrees to prepay the
first month’s service fee where the mining facility officially powers on.

 

		3.	Payment. The Customer shall submit the payment within five (5) business days of receiving the invoice
issued by the Host stated in the Hosting Agreement. And the payment method shall be in the form of USDT. The wallet address for receiving
USDT will be notified separately.

 

		4.	Term. The term of this Agreement shall commence on the Effective Date, as stated above, and continue for
one (1) year, unless otherwise terminated per the termination of the Hosting Agreement.

 

		5.	Termination.

 

		1)	Either Party may terminate the Agreement at any time upon 30 days prior written notice to the other Party. 
In the event the Customer terminates the Agreement, the Customer shall still remain obligated to pay the Service Provider for any Services
performed up to the date of termination and any expenses approved, but not paid, prior to the date of termination. In the event the Service
Provider terminates the Agreement, the Service Provider shall reimburse
the Customer any amounts previously paid to the Service Provider for which the Service Provider has not yet performed the Services.

 

    Page 1 of 4

     

    

 

		2)	The breach of any terms of this Service Agreement or Hosting Agreement from the data mining host shall
be regarded as the breach of both agreements at the same time.

 

		3)	This Service Agreement shall only terminate where the Hosting Agreement terminates. This clause shall
prevail over other termination clauses.

 

		6.	Relationship of the Parties.

 

		1)	No Exclusivity. The Parties understand this Agreement is not an exclusive arrangement.  The Parties
agree they are free to enter into other similar agreements with other parties.  The Service Provider agrees the Service Provider
will not enter into any agreements that conflict with the Service Provider’s obligations under this Agreement.

 

		2)	Independent Contractor. The Service Provider is an independent contractor.  Neither Party is an agent,
representative, partner, or employee of the other Party.

 

		7.	Dispute Resolution.

 

		1)	Choice of Law. The Parties agree that this Agreement shall be governed by the State in which the duties
of this Agreement are expected to take place. In the event that the duties of this Agreement are to take place in multiple States and/or
Countries, this Agreement shall be governed by State of California law.

 

		2)	Negotiation. In the event of a dispute, the Parties agree to work towards a resolution through good faith
negotiation.

 

		3)	Mediation or Binding Arbitration. In the event that a dispute cannot be resolved through good faith negotiation,
the Parties agree to submit to binding mediation or arbitration.

 

		4)	Attorney’s Fees. In the event of Arbitration and/or Mediation, the prevailing Party will be entitled
to its legal fees, including, but not limited to, its attorneys’ fees.

 

		8.	General.

 

		1)	Assignment.  The Parties may not assign their rights and/or obligations under this Agreement.

 

		2)	Complete Contract.  This Agreement constitutes the Parties entire understanding of their rights and
obligations.  This Agreement supersedes any other written
or verbal communications between the Parties.  Any subsequent changes to this Agreement must be made in writing and signed by both
Parties.

 

    Page 2 of 4

     

    

 

		3)	Severability.  If any section of this Agreement is found to be invalid, illegal, or unenforceable,
the rest of this Agreement will still be enforceable.

 

		4)	Waiver.  Neither Party can waive any provision of this Agreement, or any rights or obligations under
this Agreement, unless agreed to in writing.   If any provision, right, or obligation is waived, it is only waived to the extent
agreed to in writing.

 

		9.	Notices. All notices under this Agreement must be sent by email with read receipt requested or by certified
or registered mail with return receipt requested. Notices shall be sent as follows:

 

Customer

 

SonicHash LLC

 

375 Park Ave, Fl 1502, Seagram
Building

 

New York, NY 10152

 

Email: ___li@bitorigin.io___________________________

 

Service Provider

 

EVER BEST BIT LIMITED

 

Vistra Corporate Service Centre,
Wickhams Cay I,

 

Road Town, Tortola, VG1110,
British Virgin Islands

 

Email: ______________________________

 

    Page 3 of 4

     

    

 

The Parties agree to the terms and conditions
set forth above as demonstrated by their signatures as follows:

 

Customer

 

SonicHash LLC

 

Signed: ___________________________________

 

Name: _____Jiaming Li_______________________________

 

Title: _____Director________________________________

 

Date: _____________________________________

 

Service Provider

 

EVER BEST BIT LIMITED

 

Signed: ___________________________________

 

Name: ____________________________________

 

Title: _____________________________________

 

Date: _____________________________________

 

    Page 4 of 4

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