DATE:                 August 31, 2026

MKR#:                08-31-26B

SUBJECT:           Approved Decrease in Copper Regularity

The Commodity Exchange, Inc. has approved the request of 4STOX NV for a decrease in regularity of copper at their location in Tucson, AZ.  The new approved capacity is 27,006 short tons.  

The approval is effective immediately.

Please refer questions on this subject to:

Market Surveillance

Kyle Miller                                    Kyle.MIller@cmegroup.com                       (312) 341-3436

The Commodity Futures Trading Commission (CFTC) will be notified of this decrease during the week of September 7, 2026 via the weekly notification procedures set out in Part 40 of the CFTC Regulations.