Document:

Amendment to Amended and Restated Employment Agreement

 

This
Amendment to Amended and Restated Employment Agreement (the “Amendment”) is agreed to as of June 9, 2021 (“Effective
Date”), by and among CleanSpark, Inc., a Nevada corporation (“CleanSpark”), and Amer Tadayon (“Employee”).

 

WHEREAS,
CleanSpark and Employee are parties to the Amended and Restated Employment Agreement effective October 26, 2020 (the “Agreement”),
and 

 

WHEREAS, the Parties are entering into this Amendment
alter certain terms of the Agreement as provided herein.

 

NOW THEREFORE, the Parties agree as follows.

 

		1.	All capitalized terms not otherwise defined in this Amendment shall have
the meaning set forth in the Agreement.

 

		2.	Section 4(a) to the Agreement is deleted in its entirety and hereby replaced
with the following:

 

During the Employment Term, the Employee shall serve
as the Chief Revenue Officer and President of the Energy Division. The Employee shall serve and perform the duties outlined in Exhibit
1 and other executive, managerial or administrative duties, functions or responsibilities as are from time to time delegated to the Employee
by the Company or the Board.

 

		3.	Section 5(a) to the Agreement is hereby amended to provide an annual base
salary of not less than $350,000.00. 

 

		4.	Section 5(c) to the Agreement is hereby amended to provide a bonus percentage
of not less than 70% of Base Salary. 

 

		5.	Except as specifically modified hereby, all of the provisions of the Agreement,
which are not in conflict with the terms of this Amendment, shall remain in full force and effect.

 

 

///

///

///

 

    	 		 

    	 

    

  

IN WITNESS WHEREOF, the Parties have executed this
Amendment as of the date first written above.

 

CleanSpark, Inc.

By: /s/ Zach Bradford 

Name: Zach Bradford

Title: President and CEO

 

 

Employee

 

/s/ Amer Tadayon

Amer Tadayon

    	 	2Exhibit 4.1

 

Advisors Asset Management, Inc.

18925 Base Camp Road

Monument, Colorado 80132

June 15, 2021

 

Advisors Disciplined Trust 2074

c/o The Bank of New York Mellon, as Trustee

240 Greenwich Street, 22W Floor

New York, NY 10286

 

Re: Advisors Disciplined Trust 2074 (the “Fund”)

Ladies and Gentlemen:

We have examined the Registration
Statement File No. 333-254382 for the above captioned Fund. We hereby consent to the use in the Registration Statement of the references
to Advisors Asset Management, Inc. as evaluator.

You are hereby authorized
to file a copy of this letter with the Securities and Exchange Commission.

 

	 	Very truly yours,
	 	 	 
	 	Advisors Asset Management, Inc.
	 	 	 
	 	 	 
	 	By	/s/ ALEX R. MEITZNER
	 	 	Alex R. Meitzner
	 	 	Senior Vice PresidentExhibit 4.2

 

Consent of Independent Registered Public
Accounting Firm

We have issued our report
dated June 15, 2021, with respect to the financial statement of Advisors Disciplined Trust 2074 contained in Amendment No. 1 to the Registration
Statement on Form S-6 (File No. 333-254382) and related Prospectus. We consent to the use of the aforementioned report in the Registration
Statement and Prospectus, and to the use of our name as it appears under the caption “Experts”.

 

/s/ Grant
Thornton LLP

 

Chicago, Illinois

June 15, 2021Exhibit
4.1

 

	NUMBER

    U-__________

    

    
	 	 	 	UNITS
	 	 	 	 	 
	SEE REVERSE FOR

                                                                                CERTAIN DEFINITIONS
	 	NOVA
    VISION ACQUISITION CORP.	 	 

 

CUSIP
[*]

 

UNITS
CONSISTING OF ONE ORDINARY SHARE AND ONE WARRANT

 

THIS
CERTIFIES THAT ____________________________________________________________________________

 

is
the owner of _______________________________________________________________________________Units.

 

Each
Unit (“Unit”) consists of one ordinary share, with a par value $0.0001 per share, of Nova Vision Acquisition Corp., a British
Virgin Islands company (the “Company”) and one redeemable warrant (“Warrant”). Each redeemable Warrant entitles
the holder thereof to purchase one-half (1/2) of one ordinary share at a price of $11.50 per full share (subject to adjustment), upon
the later to occur of (i) the Company’s completion of a merger, share exchange, asset acquisition, share purchase, recapitalization,
reorganization or other similar business combination with one or more businesses or entities (a “Business Combination”) or
(ii) one year after the effective date of the Registration Statement on Form S-1 filed by the Company (File No. 333-[*]). The ordinary
shares and Warrants comprising the Units represented by this certificate are not transferable separately prior to the fifty-second (52nd)
day after the date of the prospectus relating to the Company’s initial public offering, unless EF Hutton, division of Benchmark Investments, LLC (“EF Hutton”) determines that an earlier date is acceptable, but in no event will the ordinary
shares and Warrants be traded separately until the Company files with the Securities and Exchange Commission (the “SEC”)
a current report on Form 8-K which includes an audited balance sheet reflecting the receipt by the Company of the gross proceeds from
its initial public offering including the proceeds received by the Company from the exercise of the over-allotment option thereto, if
the over-allotment option is exercised. If the over-allotment option is exercised after the date of the prospectus, we will file an amendment
to the Form 8-K or a new Form 8-K to provide updated financial information to reflect the exercise of the over-allotment option. We will
also include in the Form 8-K, or amendment thereto, or in a subsequent Form 8-K, information indicating if the underwriters has allowed
separate trading of the ordinary shares and Warrant prior to the 52nd day after the date of the prospectus.

 

The
terms of the Warrants are governed by a warrant agreement (the “Warrant Agreement”), dated as of [●], 2021, between
the Company and American Stock Transfer & Trust Company, LLC, as the warrant agent, and are subject to the terms and provisions contained
therein, all of which terms and provisions the holder of this certificate consents to by acceptance hereof. Copies of the Warrant Agreement
are on file at the office of American Stock Transfer & Trust Company, LLC at 48 Wall Street, 22nd Floor, New York, NY 10005, and
are available to any Warrant Holder, on written request and without cost.

 

This
certificate is not valid unless countersigned by the Transfer Agent and Registrar of the Company.

 

Witness
the facsimile seal of the Company and the facsimile signatures of its duly authorized officers.

 

This
Unit Certificate shall be governed and construed in accordance with the internal laws of the State of New York, without regard to conflicts
of laws principles thereof.

 

[Seal]

 

	By	 	 	 
	 	 	 	 
	 	Chairman	 	Chief
    Financial Officer

 

    	 

    	 

    

 

Nova
Vision Acquisition Corp.

 

The
Company will furnish without charge to each shareholder who so requests, a statement of the powers, designations, preferences and relative,
participating, optional or other special rights of each class of shares or series thereof of the Company and the qualifications, limitations,
or restrictions of such preferences and/or rights.

 

The
following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written
out in full according to applicable laws or regulations:

 

	 	TEN
    COM –	as
    tenants in common	UNIF
    GIFT MIN ACT - 	  _____ Custodian 	______
	 	TEN
    ENT – 	as
    tenants by the entireties	 	(Cust) 	(Minor)
	 	JT
    TEN – 	as
    joint tenants with right of survivorship  	 	under Uniform Gifts to Minors
	 	 	and
    not as tenants in common	 	Act ______________
	 	 	 	 	(State)	 

 

Additional
Abbreviations may also be used though not in the above list.

 

For
value received, ___________________________ hereby sell(s), assign(s) and transfer(s) unto

 

PLEASE
INSERT SOCIAL SECURITY OR OTHER

IDENTIFYING
NUMBER OF ASSIGNEE(S)

 

	 	 
	 	 

 

	 
	

    (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF ASSIGNEE(S))
	 
	 
	 	Units
	 
	represented
    by the within Certificate, and do hereby irrevocably constitute and appoint
	 	Attorney
	to
    transfer the said Units on the books of the within named Company will full power of substitution in the premises.
	 
	Dated	 	 	 

 

	 	 
	 	Notice: 	The signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration or enlargement or any change whatever.
	 	 	 
	Signature(s) Guaranteed:	 
	 	 

 

THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE
GUARANTOR INSTITUTION

(BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH

MEMBERSHIP IN AN APPROVED
SIGNATURE GUARANTEE MEDALLION PROGRAM,

PURSUANT TO S.E.C. RULE 17Ad-15).

 

The
holder of this certificate shall be entitled to receive funds with respect to the underlying ordinary shares from the trust fund only
in the event of the Company’s liquidation upon failure to consummate a business combination or if the holder seeks to convert his
or her respective ordinary shares underlying the unit upon consummation of such business combination or in connection with certain amendments
to the Company’s Amended and Restated Memorandum and Articles of Association. In no other circumstances shall the holder have any
right or interest of any kind in or to the trust fund.Exhibit 4.2

 

SPECIMEN
ORDINARY SHARE CERTIFICATE

 

	CERTIFICATE
    NUMBER	SHARES
    

_________

 

NOVA
VISION ACQUISITION CORP.

INCORPORATED
UNDER THE LAWS OF THE BRITISH VIRGIN ISLANDS

ORDINARY
SHARE

 

SEE
REVERSE FOR

CERTAIN DEFINITIONS

 

	THIS
    CERTIFIES THAT	CUSIP:__________________

 

IS
THE OWNER OF

 

FULLY
PAID AND NON-ASSESSABLE ORDINARY SHARES OF PAR VALUE $0.0001 PER SHARE

 

NOVA
VISION ACQUISITION CORP.

 

transferable
on the books of the Company in person or by duly authorized

attorney upon surrender of this certificate properly endorsed. This certificate is not valid unless countersigned by the Transfer Agent
and registered by the Registrar. Witness the seal of

the Company and the facsimile signatures of its duly authorized officers.

 

Dated:

 

	 	 	 
	Chairman
    	 	Chief
    Financial Officer

 

NOVA
VISION ACQUISITION CORP.

CORPORATE

SEAL 2021

BRITISH VIRGIN ISLANDS

 

    	 

     

    

 

NOVA
VISION ACQUISITION CORP.

 

The
Company will furnish without charge to each shareholder who so requests the powers, designations, preferences and relative, participating,
optional or other special rights of each class of share or series thereof of the Company and the qualifications, limitations, or restrictions
of such preferences and/or rights. This certificate and the Ordinary Shares represented thereby are issued and shall be held subject
to all the provisions of the Amended and Restated Memorandum and Articles of Association and all amendments thereto and resolutions of
the Board of Directors providing for the issuance of Ordinary Shares (copies of which may be obtained from the secretary of the Company),
to all of which the holder of this certificate by acceptance hereof assents.

 

The
following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written
out in full according to applicable laws or regulations:

 

	 	TEN
    COM	-	as
    tenants in common
	 	TEN
    ENT	-	as
    tenants by the entireties
	 	JT
    TEN	-	as
    joint tenants with right of survivorship and not as tenants in common

 

	UNIF GIFT MIN ACT -	 	Custodian	 	 
	 	(Cust)	 	(Minor)	 
	 	under Uniform Gifts to Minors Act	 
	 	 	 	 
	 	 	(State)	 

 

Additional
Abbreviations may also be used though not in the above list.

 

For
value received, ___________________________ hereby sell, assign and transfer unto

 

	
    PLEASE INSERT SOCIAL SECURITY OR

    OTHER

    IDENTIFYING NUMBER OF ASSIGNEE
	 	 
	 	 	 
	 	 	 
	 	 	 
	 
	(PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS, INCLUDING ZIP CODE, OF

                                               ASSIGNEE)

	 
	 
	 	 	shares
	of the capital stock represented by the within Certificate, and do hereby irrevocably constitute and appoint
	 	 	Attorney
	to transfer the said share on the books of the within named Corporation will full power of substitution in the premises.

 

    	 

     

    

 

	Dated	 	 	 	 
	 	 	 	 	 
	 	 	 	NOTICE:	The
signature to this assignment must correspond with the name as written upon the face of the certificate in every particular, without alteration
or enlargement or any change whatever.

 

	Signature(s)
    Guaranteed:
	 
	 
	 
	THE
    SIGNATURE(S) MUST BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT
    UNIONS WITH MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO S.E.C. RULE 17Ad-15).
	 
	The
    holder of this certificate shall be entitled to receive funds from the trust account only in the event of (i) the liquidation of
    the trust account upon a failure to consummate a business combination, as described in the prospectus covering the securities or
    (ii) if the holder seeks to convert his respective shares or sells them to the Company in a tender offer, in each case in connection
    with (1) the consummation of a business combination or (2) in connection with an amendment to our Memorandum and Articles of Association
    prior to the consummation of a business combination. In no other circumstances shall the holder have any right or interest of any
    kind in or to the trust account.

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00329-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00329-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00329-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00329-of-00352.parquet"}], [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00329-of-00352.parquet"}]]