CME Group Issued The Following Statement Regarding Errant Orders

During a six minute period beginning at 2:38 pm (CDT) on Monday, September 13, test orders that should have been posted into a quality assurance testing environment were inadvertently placed into active energy and metals markets on CME Globex. As soon as we became aware of the issue, we began working with affected customers and implemented other corrective steps. We have also kept the Commodity Futures Trading Commission apprised of developments related to this event. CME Group will address these transactions in accordance with its Rule 587.