Document:

EXHIBIT 10.2(b)

Supplement to the Commodity Futures Customer Agreement

This Supplement dated as of July 25, 2017 (“Amendment”) hereby supplements and forms part of the Commodity Futures Customer Agreement dated as of November 12, 2013, as amended from time to time (“Agreement”), that each fund set forth in Appendix A attached hereto (as amended from time to time in accordance with the provisions of this Supplement), in their individual capacity (each, a “Customer”) has entered into with Morgan Stanley & Co. LLC (“Morgan Stanley”).  Unless otherwise specified in this Supplement, all capitalized terms used herein shall have the meanings set forth in the Agreement and references herein and in the Agreement to the “Agreement” shall be construed to mean the Agreement as supplemented by this Supplement.

WHEREAS, the Agreement provides that each Customer’s grant of a security interest in Collateral secures all obligations of Customer owing to Morgan Stanley pursuant to the Agreement; and

WHEREAS, the parties agree that Customer’s grant of such security interest shall secure in addition all of its obligations under the ISDA Master Agreement dated as of April 12, 2013, as amended from time to time (the “ISDA Master”) between Morgan Stanley (as Party A thereto) and Customer (as Party B thereto);

NOW THEREFORE, in consideration of the foregoing and the mutual agreements and covenants contained herein and in the Agreement, Morgan Stanley and each Customer agree as follows:

	
1.

	
The following Section 4(a)(xi) shall be added to Section 4(a) as an additional Event of Default under the Agreement:

	
(xi)

	
“The occurrence or effective designation of an Early Termination Date with respect to an Event of Default, a Credit Event upon Merger, or an Additional Termination Event where Customer is the Defaulting Party or Affected Party under that certain ISDA Master Agreement dated as of April 12, 2013, as amended from time to time (the “ISDA Master”) between Morgan Stanley (as Party A thereto) and any Customer party to this Agreement.  Terms used in this subsection shall have the meanings ascribed to them in the ISDA Master.”

	
2.

	
The second sentence of Section 6(f)(i) of the Agreement shall be deleted and replaced by the following sentence:

“The foregoing grant of security secures, to the extent permissible by Applicable Law, all obligations of Customer now or hereafter owing to Morgan Stanley pursuant this Agreement and pursuant to the ISDA Master between Morgan Stanley (as Party A thereto) and any Customer party to this Agreement, including, without limitation, (x) all Losses incurred by Morgan Stanley in connection with the enforcement of this Agreement or (y) all Obligations (as defined in the ISDA Master) under the ISDA Master and the security interest created hereunder.”

	
3.

	
Appendix A to this Supplement may be amended from time to time upon the agreement of the parties to this Supplement.

	
4.

	
This Supplement shall be governed by and construed in accordance with the laws of the State of New York.

	
5.

	
This Supplement may be signed in counterparts with the same effect as if the signatures thereto and hereto were upon the same instrument.

In Witness Whereof, the parties have executed this Supplement to the Agreement as of the date first written above.

	
Each fund set forth in Appendix A attached hereto (as amended from

time to time in accordance with the provisions of the Supplement), in their individual capacity

	
MORGAN STANLEY & CO. LLC

	 	 
	
By:

	
Ceres Managed Futures LLC

	 	 
	 	
(as General Partner or Trading Manager)

	 	 
	
By:

	
/s/ Patrick T. Egan                              

	
By:

	
/s/ Ramesh Menon                        

	 	 	 	 
	
Name:

	
Patrick T. Egan                                   

	
Name:

	
Ramesh Menon                             

	 	 	 	 
	
Title:

	
President and Director                        

	
Title:

	
Authorized Signatory                     

	 	 	 	 
	 	 	 	 

 

 

Appendix A

	
CMF Graham Capital Master Fund L.P.

CMF Aspect Master Fund L.P.Exhibit 4.1

 

	
        NUMBER

        U-__________
	 	UNITS
	 	 	 
	SEE REVERSE FOR 

CERTAIN DEFINITIONS	ATLANTIC ACQUISITION CORP.	 

 

CUSIP

 

UNITS CONSISTING OF ONE SHARE OF COMMON
STOCK AND

ONE RIGHT TO RECEIVE ONE-TENTH OF A
SHARE OF COMMON STOCK

 

THIS CERTIFIES THAT __________________________________________________________________________

 

is the owner of _____________________________________________________________________________
Units.

 

Each Unit (“Unit”) consists
of one share of common stock, par value $.0001 per share, of Atlantic Acquisition Corp., a Delaware corporation (the “Company”)
and one right. Each right entitles the holder to receive one-tenth (1/10) of a share of common stock upon the Company’s completion
of a merger, share exchange, asset acquisition, stock purchase, recapitalization, reorganization or other similar business combination
with one or more businesses or entities (a “Business Combination”).

 

The terms of the rights are governed
by a rights agreement (the “Rights Agreement”), dated as of [·],
2017, between the Company and American Stock Transfer & Trust Company, LLC, as the rights 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 Rights Agreement are on file at the office of the rights agent at 6201 15th
Avenue, Brooklyn, New York, 11219, and are available to any rights 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.

 

[Corporate Seal]

 

By

 

	 	 	 
	Chairman	 	Secretary

 

    	 	 	 

     

    

 

Atlantic Acquisition Corp. 

 

The Company will furnish
without charge to each stockholder 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 shares of common stock 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 shares of common stock
underlying the unit upon consummation of such business combination or in connection with certain amendments to the Company’s
Amended and Restated Certificate of Incorporation. In no other circumstances shall the holder have any right or interest of any
kind in or to the trust fund.Exhibit 4.2

 

	NUMBER	 	SHARES

 

C ______

 

ATLANTIC ACQUISITION
CORP.

 

INCORPORATED UNDER
THE LAWS OF THE STATE OF DELAWARE

 

COMMON STOCK

 

SEE REVERSE FOR

CERTAIN DEFINITIONS

 

CUSIP

 

This Certifies that

 

is the owner of

 

FULLY PAID AND NON-ASSESSABLE
SHARES OF COMMON STOCK OF

 

ATLANTIC ACQUISITION
CORP.

 

transferable on the
books of the Company in person or by duly authorized attorney upon surrender of this certificate properly endorsed. 

The Company will be
forced to liquidate if it is unable to complete an initial business combination within the meaning as defined in and the time period
as required by its Amended and Restated Certificate of Incorporation, as the same may be amended from time to time.

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

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

 

[Corporate Seal]

 

Dated:

 

	 	 	 
	CHAIRMAN	 	SECRETARY

 

    	 	 	 

     

    

 

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.

 

Atlantic Acquisition
Corp.

 

The Company will furnish
without charge to each stockholder who so requests 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. This certificate and the shares represented thereby are issued and shall be held subject to
all the provisions of the Company’s Amended and Restated Certificate of Incorporation and all amendments thereto and resolutions
of the Board of Directors providing for the issue of preferred stock (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.

 

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))
	 
	 
	 
	 

 

	 	shares

of common stock represented by the within
Certificate, and do hereby irrevocably constitute and appoint

 

	 	Attorney

to transfer the said stock 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 from the trust account only in the event of the Company’s liquidation upon failure to consummate a business combination
within the required time period set forth in the Company’s Amended and Restated Certificate of Incorporation as the same
may be amended from time to time, or if the holder seeks to convert his or her shares of common stock upon consummation of a business
combination or in connection with certain amendments to the Company’s Amended and Restated Certificate of Incorporation.
In no other circumstances shall the holder have any right or interest of any kind in or to the trust account.

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