<SEC-DOCUMENT>0001171200-20-000201.txt : 20200330
<SEC-HEADER>0001171200-20-000201.hdr.sgml : 20200330
<ACCEPTANCE-DATETIME>20200330083701
ACCESSION NUMBER:		0001171200-20-000201
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200330
DATE AS OF CHANGE:		20200330

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			United States 12 Month Natural Gas Fund, LP
		CENTRAL INDEX KEY:			0001405513
		STANDARD INDUSTRIAL CLASSIFICATION:	 [6221]
		IRS NUMBER:				260431733
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-230583
		FILM NUMBER:		20754216

	BUSINESS ADDRESS:	
		STREET 1:		1850 MT. DIABLO BLVD.
		STREET 2:		SUITE 640
		CITY:			WALNUT CREEK
		STATE:			CA
		ZIP:			94596
		BUSINESS PHONE:		(510) 522-9600

	MAIL ADDRESS:	
		STREET 1:		1850 MT. DIABLO BLVD.
		STREET 2:		SUITE 640
		CITY:			WALNUT CREEK
		STATE:			CA
		ZIP:			94596
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>i20193_unl-424b3.htm
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<!-- Field: Rule-Page --><DIV STYLE="margin-top: 12pt; margin-bottom: 3pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin: 0"><B>Filed pursuant to
Rule 424(b)(3)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin: 0"><B>File No. 333-230583</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin: 0"><B>UNITED STATES 12 MONTH NATURAL GAS FUND, LP</B></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0">________________________________________</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin: 0">Supplement dated April 1, 2020</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin: 0">to</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin: 0">Prospectus dated April 26, 2019</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; text-align: center">________________________________________</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.5in; margin: 0">This supplement contains information which amends, supplements or
modifies certain information contained in the prospectus of United States 12 Month Natural Gas Fund, LP dated April 26, 2019 (the
&ldquo;Prospectus&rdquo;). Please read it and keep it with your Prospectus for future reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.5in; margin: 0"><I>You should carefully consider the &ldquo;Risk Factors&rdquo; beginning
on page 4 of the Prospectus before you decide to invest.</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>The Bank of New York Mellon to Serve as UNL&rsquo;s Custodian, Fund
Administrator and Transfer Agent</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.5in; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">UNL, together with USCF and each of the Related Public Funds, has
entered into the following agreements with The Bank of New York Mellon, a New York corporation authorized to do banking business
(&ldquo;BNY Mellon&rdquo;), pursuant to which BNY Mellon will provide certain custodial, fund administration and accounting and
custodial services to UNL and each of the Related Public Funds commencing as of April 1, 2020 (together, the &ldquo;BNY Mellon
Agreements&rdquo;): (i) a Custody Agreement, pursuant to which BNY Mellon provides certain custodial services; (ii) a Fund Administration
and Accounting Agreement, pursuant to which BNY Mellon provides fund administration and accounting services; and (iii) a Transfer
Agency and Service Agreement, pursuant to which BNY Mellon provides transfer agency services, each dated as of March 20, 2020.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.5in; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In connection with the entry into the BNY Mellon Agreements, UNL
and Brown Brothers Harriman and Co., a limited partnership organized under the laws of the State of New York (&ldquo;BBH&rdquo;),
have agreed to terminate the following agreements: (1) a Custodian Agreement dated as of November 3, 2009, as amended from time
to time (the &ldquo;BBH Custodian Agreement&rdquo;), pursuant to which BBH provided certain custodial services, and (2) an Administration
Agency Agreement dated as of November 3, 2009, as amended from time to time (the &ldquo;BBH Administrative Agency Agreement&rdquo;,
pursuant to which BBH provides certain administrative and transfer agency services to UNL.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-indent: 0.5in; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The BBH Custodian Agreement terminates on March 31, 2020 and the
BBH Administrative Agency Agreement is scheduled to terminate on May 31, 2020 to allow for certain reporting and other services
to continue in connection with the transition to BNY Mellon.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>


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