Document:

Exhibit 10.1

        AMENDMENT TO THE AMENDED AND RESTATED ALTERNATIVE INVESTMENT SELLING AGENT AGREEMENT

        This amendment (“Amendment”) dated as the 23rd day of June, 2020 to the Amended and Restated Alternative Investment Selling Agent Agreement (the “Agreement”) dated
          as of March 3, 2016, as amended from time to time, by and among each of the limited partnerships listed on Schedule 1 hereto (each, a “Partnership,” and together, the “Partnerships”), Ceres Managed Futures LLC, a Delaware limited liability
          company (the “General Partner”), and Morgan Stanley Smith Barney LLC, a Delaware limited liability company, currently doing business as Morgan Stanley Wealth Management (“MSSB” or “Placement Agent”). Capitalized terms used herein but not
          otherwise defined shall have the respective meanings assigned to them in the Agreement.

        W I T N E S S E T H:

        WHEREAS, the General Partner, the Partnerships and the Placement Agent agree to amend the Agreement to (i) reflect a reduction in the
          annual Ongoing Selling Agent Fee payable to the Placement Agent with respect to Class A Units of each Partnership (with the exception of Ceres Orion L.P. (“Orion”)) from 2.00% to 1.00% of the adjusted net assets of the Class A Units, (ii) reflect
          a change in the Ongoing Selling Agent Fee payable to the Placement Agent with respect to Class A Units of Orion from a transaction-based calculation to a flat annual fee of 1.00% of the adjusted net assets of Class A Units and (iii) update and
          replace Schedules 1 and 2; and

        WHEREAS, pursuant to Section 15(c) of the Agreement, any change to the Agreement must be in writing and signed by all parties.

        NOW, THEREFORE, the parties agree as follows:

        1.          Schedule 1 of the Agreement shall be deleted in its entirety and replaced by Schedule 1 attached hereto.

        2.          Schedule 2 of the Agreement shall be deleted in its entirety and replaced by Schedule 2 attached hereto.

        3.          The effective date of this Amendment shall be July 1, 2020.  Except as specifically provided for in this Amendment, the terms of the Agreement are hereby ratified and confirmed and
          remain in full force and effect.

        

        

        4.          This Amendment, together with the Agreement and any other documents referred to herein, constitutes the whole agreement between the parties relating to the subject matter of this
          Amendment and supersedes and extinguishes any prior drafts, agreements, undertakings, representations, warranties and arrangements of any nature, whether in writing or oral, relating to such subject matter.

        

        

        5.          This Amendment may be executed in any number of counterparts, including via facsimile or email, each of which is an original and all of which when taken together evidence the same
          agreement. Any signature on the signature page of this Amendment may be an original, a fax or an electronically transmitted signature or may be executed by applying an electronic signature using DocuSign or, if permitted by the General Partner
          (such permission not to be unreasonably withheld), any other similar program.

        

        

        
          
            

        

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

        

        

        
          
            

        

        IN WITNESS WHEREOF, this Amendment has been executed for and on behalf of the undersigned as of the date first written above.

        

        	 	
                THE PARTNERSHIPS LISTED ON SCHEDULE 1 HERETO

                 

              
	 	 	 
	 	 	 
	 	
                By: Ceres Managed Futures LLC

                 

              
	 	 
	 	
                Name:

              	
                /s/ Patrick T. Egan

              
	 	 	
                Patrick T. Egan

              
	 	
                Title:

              	
                President

              
	 	 	 
	 	 	 
	 	
                Morgan Stanley Smith Barney LLC

                 

              
	 	 
	 	
                Name:

              	
                /s/ Carmen Lai

              
	 	 	
                Carmen Lai

              
	 	
                Title:

              	
                Executive Director

              
	 	 	 
	 	 	 
	 	
                Ceres Managed Futures LLC

                 

              
	 	 
	 	
                Name:

              	
                /s/ Patrick T. Egan

              
	 	 	
                Patrick T. Egan

              
	 	
                Title:

              	
                President

              
	 	 	 

        

        

        
          
            

        

        

        

        Schedule 1

        	
                PARTNERSHIP

              	
                STATE AND DATE OF ORGANIZATION

              	
                EFFECTIVE DATE

              
	
                Potomac Futures Fund L.P.

              	
                New York; March 14, 1997

              	
                October 1, 2013

              
	
                Ceres Abingdon L.P.

                (formerly Managed Futures Premier Abingdon L.P.)

              	
                New York; November 8, 2005

              	
                October 1, 2013

              
	
                Emerging CTA Portfolio L.P.

              	
                New York; July 7, 2003

              	
                October 1, 2013

              
	
                Ceres Tactical Commodity L.P.

                (formerly Managed Futures Premier Aventis II L.P.)

              	
                New York; April 20, 2005

              	
                October 1, 2013

              
	
                Ceres Tactical Systematic L.P. (formerly Tactical Diversified Futures Fund L.P.)

              	
                New York; December 3, 2002

              	
                October 1, 2013

              
	
                Ceres Orion L.P.

                (formerly Orion Futures Fund L.P.)

              	
                New York; March 22, 1999

              	
                March 1, 2014

              

        

        

      

      
        
          

      

      

        Schedule 2

        	
                PARTNERSHIP

                 

              	
                ONGOING SELLING AGENT FEE

                 

              
	
                Potomac Futures Fund L.P.

                 

              	
                1.00% per year of the adjusted net assets of Class A Units (computed monthly by multiplying the adjusted net assets of the Class A Units by 1.00% and dividing the result thereof by 12).1  Class Z Units will not be subject to an ongoing selling agent fee.

              
	
                Ceres Abingdon L.P.

                (formerly Managed Futures Premier Abingdon L.P.)

              	
                1.00% per year of the adjusted net assets of Class A Units and 0.75% per year of the adjusted net assets of Class D Units (computed monthly by multiplying the adjusted net assets of the Class A Units by
                  1.00% and the adjusted net assets of the Class D Units by 0.75% and dividing the result thereof by 12).1  Class Z Units will not be subject to an ongoing selling agent fee.

              
	
                Emerging CTA Portfolio L.P.

                 

              	
                1.00% per year of the adjusted net assets of Class A Units (computed monthly by multiplying the adjusted net assets of the Class A Units by 1.00% and dividing the result thereof by 12).1 Class Z
                  Units will not be subject to an ongoing selling agent fee.

              
	
                Ceres Tactical Commodity L.P.

                (formerly Managed Futures Premier Aventis II L.P.)

              	
                1.00% per year of the adjusted net assets of Class A Units and 0.75% per year of the adjusted net assets of Class D Units (computed monthly by multiplying the adjusted net assets of the Class A Units by
                  1.00% and the adjusted net assets of the Class D Units by 0.75% and dividing the result thereof by 12).1  Class Z Units will not be subject to an ongoing selling agent fee.

              

        

        

        

          

          1           Adjusted net assets are month-end Net Assets increased by that current month’s ongoing selling agent fee,
            management fee, the general partner’s administrative fee, the incentive fee accrued, other expenses and any redemptions or distributions as of the end of such month.

        

        

        

        
          
            

        

        

        

        

        

        	
                Ceres Tactical Systematic L.P.

                (formerly Tactical Diversified Futures Fund L.P.)

              	
                1.00% per year of the adjusted net assets of Class A Units and 0.75% per year of the adjusted net assets of Class D Units (computed monthly by multiplying the adjusted net assets of the Class A Units by
                  1.00% and the adjusted net assets of the Class D Units by 0.75% and dividing the result thereof by 12).1  Class Z Units will not be subject to an ongoing selling agent fee.

              
	
                Ceres Orion L.P.

                (formerly Orion Futures Fund L.P.)

              	
                1.00% per year of the adjusted net assets of Class A Units (computed monthly by multiplying the adjusted net assets of the Class A Units by 1.00% and dividing the result thereof by 12).1  Class
                  Z Units will not be subject to an ongoing selling agent fee.Exhibit 10.2

    AMENDMENT TO THE ALTERNATIVE INVESTMENT SELLING AGENT AGREEMENT

    This amendment (“Amendment”) dated as of the 1st day of July, 2020 to the Alternative Investment Selling Agent Agreement (the “Agreement”) dated as of November 1, 2018 by and
      among each of the limited partnerships listed on Schedule 1 hereto (each, a “Partnership,” and together, the “Partnerships”), Ceres Managed Futures LLC, a Delaware limited liability company (the “General Partner”), Morgan Stanley Distribution Inc., a
      corporation incorporated under the laws of the Commonwealth of Pennsylvania (“MSDI” or “Selling Agent”), and Harbor Investment Advisors LLC, a Maryland limited liability company (“Harbor” or “Sub-Selling Agent”). Capitalized terms used herein but not
      otherwise defined shall have the respective meanings assigned to them in the Agreement.

    W I T N E S S E T H:

    WHEREAS, the General Partner, the Partnerships, the Selling Agent and the Sub-Selling Agent agree to amend the Agreement to (i) reflect a
      reduction in the annual Ongoing Sub-Selling Agent Fee payable to the Sub-Selling Agent with respect to Class A Units of each Partnership (with the exception of Ceres Orion L.P. (“Orion”)) from 2.00% to 1.00% of the adjusted net assets of the Class A
      Units only, (ii) reflect a change in the Ongoing Sub-Selling Agent Fee payable to the Sub-Selling Agent with respect to Class A Units of Orion from a transaction-based calculation to a flat annual fee of 1.00% of the adjusted net assets of such Class
      A Units and (iii) update and replace Schedules 1 and 2; and

    WHEREAS, pursuant to Section 15(c) of the Agreement, any change to the Agreement must be in writing and signed by all parties.

    NOW, THEREFORE, the parties agree as follows:

    1.          Schedule 1 of the Agreement shall be deleted in its entirety and replaced by Schedule 1 attached hereto.

    2.          Schedule 2 of the Agreement shall be deleted in its entirety and replaced by Schedule 2 attached hereto.

    3.          The effective date of this Amendment shall be July 1, 2020.  Except as specifically provided for in this Amendment, the terms of the Agreement are hereby ratified and confirmed and remain
      in full force and effect.

    

    

    4.          This Amendment, together with the Agreement and any other documents referred to herein, constitutes the whole agreement between the parties relating to the subject matter of this
      Amendment and supersedes and extinguishes any prior drafts, agreements, undertakings, representations, warranties and arrangements of any nature, whether in writing or oral, relating to such subject matter.

    

    

    
      
        

    

    5.          This Amendment may be executed in any number of counterparts, including via facsimile or email, each of which is an original and all of which when taken together evidence the same
      agreement. Any signature on the signature page of this Amendment may be an original, a fax or an electronically transmitted signature or may be executed by applying an electronic signature using DocuSign© or, if permitted by the General Partner (such
      permission not to be unreasonably withheld), any other similar program.

    

    

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

    

    

    

    

    

    

    

    

    [Remainder of page intentionally left blank]

    

    

    
      
        

    

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

    

    

    	
            THE PARTNERSHIPS LISTED

            ON SCHEDULE 1 HERETO

             

            By: Ceres Managed Futures LLC

             

            Name: /s/ Patrick T. Egan                 

                        Patrick T. Egan

            Title:  President

             

          	
            Morgan Stanley Distribution, Inc.

             

            Name: /s/ Frank Famiglietti                 

                        Frank Famiglietti

            Title:  Managing Director

             

          
	 	
            Harbor Investment Advisory, LLC

             

            Name: /s/ Will Schaoty                       

            

                        Will Schaoty

            Title:  Chief Compliance Officer

             

          
	 	
            Ceres Managed Futures LLC

             

            Name: /s/ Patrick T. Egan                  

            

                        Patrick T. Egan

            Title:  President

             

             

          

     

    

    
      
        

    

    Schedule 1

    	
            PARTNERSHIP

             

          	
            STATE AND DATE OF ORGANIZATION

             

          	
            EFFECTIVE DATE

             

          
	
            Ceres Orion L.P.

          	
            New York; March 22, 1999

          	
            November 1, 2018

          
	
            Managed Futures Premier Graham L.P.

          	
            Delaware; July 15, 1998

          	
            November 1, 2018

          
	
            Ceres Tactical Systematic L.P.

          	
            New York; December 3, 2002

          	
            November 1, 2018

          
	
            Ceres Tactical Global L.P.

          	
            Delaware; October 20, 1999

          	
            November 1, 2018

          

    

    

  

  
    
      

  

  

    Schedule 2

    	
            Fee1

             

          	
            Brokerage/Non-Consulting Clients

             

          	
            Advisory/Consulting Clients

             

          
	
            Ceres Orion L.P.

          
	
            Ongoing Sub-Selling Agent Fee

             

          	
            1.00% per year of the adjusted net assets of Class A Units (computed monthly by multiplying the adjusted net assets of the Class A Units by 1.00% and dividing the result thereof by 12).2

          	
            Class Z units will not be subject to an ongoing sub-selling agent fee.

             

          
	
            Ceres Tactical Systematic L.P.

          
	
            Ongoing Sub-Selling Agent Fee

             

          	
            1.00% per year of the adjusted net assets of the Partnership (computed monthly by multiplying the adjusted net assets of the Partnership by 1.00% and dividing the result thereof by 12)2.
              0.75% annual of the net asset value per unit of Class D Units paid on a monthly basis.

          	
            Class Z units will not be subject to an ongoing sub-selling agent fee.

             

          
	
            Managed Futures Premier Graham L.P.

          
	
            Ongoing Sub-Selling Agent Fee

             

          	
            1.0% per year of the net asset value per unit of Class A Units paid on a monthly basis.

          	
            Class Z units will not be subject to an ongoing sub-selling agent fee.

             

          
	
            Ceres Tactical Global L.P.

          
	
            Ongoing Sub-Selling Agent Fee

             

          	
            1.0% per year of the net asset value per unit of Class A Units paid on a monthly basis. 0.75% annual of the net asset value per unit of Class D Units paid on a monthly basis.

          	
            Class Z units will not be subject to an ongoing sub-selling agent fee.

             

          

    1 For the avoidance of doubt, the calculation of the Ongoing Sub-Selling Agent Fee shall be based on units of each Partnership sold by Sub-Selling Agent only.

    2 Adjusted net assets are month-end Net Assets increased by that current month’s ongoing sub-selling agent fee, management fee, the general partner’s administrative fee, the incentive
      fee accrued, other expenses and any redemptions or distributions as of the end of such month.

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