XTO Energy has advised the Trustee that excess costs increased by $438,000 on properties underlying the Oklahoma net profits interests. Underlying cumulative excess costs remaining on the Oklahoma net profits interests total $2,120,000, including accrued interest of $285,000. This balance does not include the portion of the Chieftain settlement the arbitration panel determined could be charged as a production cost. XTO Energy has estimated the amount to be approximately $14.6 million net to the Trust.