NOTICE DATE: January 21, 2011 NOTICE TYPE: W-A012111-01 Settlement SHORT DESCRIPTION: Notification of Real-Time Market Resettlement for Operating Day December 15, 2010 INTENDED AUDIENCE: QSE Settlement Personnel DAY AFFECTED: Operating Day December 15, 2010 LONG DESCRIPTION: ERCOT has updated the Real-Time LMPs and Real-Time Settlement Point Prices (RTSPPs) for interval 00:15 of Operating Day December 15, 2010. Because the price correction was not captured in the Initial Settlement, ERCOT will resettle the Real-Time Market in Accordance with Protocol Section 9.5.6(1). This price correction will also impact prices associated with Resource Meters (the RTRMPRs). Further details about the Resettlement Statement are included in the table below: Affected Operating Day December 15, 2010 Description of reason for Resettlement Board-approved price correction Resettled Prices RTSPP and RTRMPR for interval 00:15 Publication Date of Previous Settlement Statement December 27, 2010 Publication Date of Resettlement Statement January 24, 2011 Invoice Date of Resettlement Statement February 3, 2011 ADDITIONAL INFORMATION: ERCOT posts notification of price changes on the Notices section of the Market Information System (MIS), located at https://mis.ercot.com/pps/tibco/mis/Pages/Notices/Notices (digital certificate required). The corrected prices are posted at http://www.ercot.com/mktinfo/prices/. CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via email at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving email from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com<http://lists.ercot.com/>. dh