Exhibit 99.1

United States 12 Month Natural Gas Fund, LP

Monthly Account Statement

For the Month Ended February 28, 2019

Statement of Income (Loss)
Income
Realized Trading Gain (Loss) on Futures	$	(44,954	)
Unrealized Gain (Loss) on Market Value of Futures		102,214
Dividend Income		807
Interest Income		7,340
Total Income (Loss)	$	65,407
Expenses
General Partner Management Fees	$	2,718
Professional Fees		6,818
Brokerage Commissions		87
Non-interested Directors' Fees and Expenses		44
Prepaid Insurance Expense		55
NYMEX License Fee		54
Total Expenses		9,776
Expense Waiver		(6,515	)
Net Expenses	$	3,261
Net Income (Loss)	$	62,146

Statement of Changes in Net Asset Value
Net Asset Value Beginning of Month 2/1/19	$	4,833,449
Net Income (Loss)		62,146
Net Asset Value End of Month	$	4,895,595
Net Asset Value Per Share (450,000 Shares)	$	10.88

To the Limited Partners of United States 12 Month Natural Gas Fund, LP:

Pursuant to Rule 4.22(h) under the Commodity Exchange Act, the undersigned represents that, to the best of his knowledge and belief, the information contained in the Account Statement for the month ended February 28, 2019 is accurate and complete.

/s/ Stuart P. Crumbaugh

Stuart P. Crumbaugh

Chief Financial Officer

United States Commodity Funds LLC, General Partner of United States 12 Month Natural Gas Fund, LP

United States Commodity Funds LLC

1850 Mt. Diablo Boulevard, Suite 640

Walnut Creek, CA 94596