United States Commodity Index Funds Trust

08/28/2026 | Press release | Distributed by Public on 08/28/2026 06:27

Regulation FD Presentation (Form 8-K)

Exhibit 99.1

United States Commodity Index Funds Trust

United States Commodity Index Fund

Monthly Account Statement

For the Month Ended July 31, 2026

Statement of Income (Loss)
Income
Realized Trading Gain (Loss) on Commodity Futures $ 20,931,326
Unrealized Gain (Loss) on Market Value of Commodity Futures 10,279,809
Dividend Income 604,891
Interest Income 479,320
Total Income (Loss) $ 32,295,346
Expenses
Management Fees $ 242,698
Professional Fees 37,388
Brokerage Commissions 22,129
Directors' Fees and Insurance 5,607
Total Expenses $ 307,822
Net Income (Loss) $ 31,987,524
Statement of Changes in Net Asset Value
Net Asset Value Beginning of Month 7/1/26 $ 337,396,879
Net Income (Loss) 31,987,524
Net Asset Value End of Month $ 369,384,403
Net Asset Value Per Share (3,650,000 Shares) $ 101.20

To the Shareholders of United States Commodity Index Fund:

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 July 31, 2026 is accurate and complete.

/s/ Stuart P. Crumbaugh

Stuart P. Crumbaugh

Chief Financial Officer

United States Commodity Funds LLC, Sponsor of United States Commodity Index Fund

United States Commodity Funds LLC

1850 Mt. Diablo Boulevard, Suite 640

Walnut Creek, CA 94596

United States Commodity Index Funds Trust

United States Copper Index Fund

Monthly Account Statement

For the Month Ended July 31, 2026

Statement of Income (Loss)
Income
Realized Trading Gain (Loss) on Commodity Futures $ 1,778,350
Unrealized Gain (Loss) on Market Value of Commodity Futures 24,144,781
Dividend Income 1,320,921
Interest Income 893,554
ETF Transaction Fees 4,900
Total Income (Loss) $ 28,142,506
Expenses
Management Fees $ 403,046
Professional Fees 133,516
Brokerage Commissions 1,498
Directors' Fees and Insurance 13,695
Total Expenses $ 551,755
Net Income (Loss) $ 27,590,751
Statement of Changes in Net Asset Value
Net Asset Value Beginning of Month 7/1/26 $ 724,734,128
Additions (1,100,000 Shares) 42,293,765
Withdrawals (1,600,000 Shares) (62,500,982 )
Net Income (Loss) 27,590,751
Net Asset Value End of Month $ 732,117,662
Net Asset Value Per Share (18,700,000 Shares) $ 39.15

To the Shareholders of United States Copper Index Fund:

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 July 31, 2026 is accurate and complete.

/s/ Stuart P. Crumbaugh

Stuart P. Crumbaugh

Chief Financial Officer

United States Commodity Funds LLC, Sponsor of United States Copper Index Fund

United States Commodity Funds LLC

1850 Mt. Diablo Boulevard, Suite 640

Walnut Creek, CA 94596

United States Commodity Index Funds Trust

Monthly Account Statement

For the Month Ended July 31, 2026

Statement of Income (Loss)
Income
Realized Trading Gain (Loss) on Commodity Futures $ 22,709,676
Unrealized Gain (Loss) on Market Value of Commodity Futures 34,424,590
Dividend Income 1,925,812
Interest Income 1,372,874
ETF Transaction Fees 4,900
Total Income (Loss) $ 60,437,852
Expenses
Management Fees $ 645,744
Professional Fees 170,904
Brokerage Commissions 23,627
Directors' Fees and Insurance 19,302
Total Expenses $ 859,577
Net Income (Loss) $ 59,578,275
Statement of Changes in Net Asset Value
Net Asset Value Beginning of Month 7/1/26 $ 1,062,131,007
Additions (1,100,000 Shares) 42,293,765
Withdrawals (1,600,000 Shares) (62,500,982 )
Net Income (Loss) 59,578,275
Net Asset Value End of Month $ 1,101,502,065

To the Shareholders of the Series of the United States Commodity Index Funds Trust:

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 July 31, 2026 is accurate and complete.

/s/ Stuart P. Crumbaugh

Stuart P. Crumbaugh

Chief Financial Officer

United States Commodity Funds LLC, Sponsor of United States Commodity Index Funds Trust

United States Commodity Funds LLC

1850 Mt. Diablo Boulevard, Suite 640

Walnut Creek, CA 94596

United States Commodity Index Funds Trust published this content on August 28, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on August 28, 2026 at 12:27 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]