NOTICE DATE: December 2, 2010 NOTICE TYPE: M-B120210-01 Extracts SHORT DESCRIPTION: Minor configuration updates were made to the Extract Subscriber application regarding the Real Time Market Consolidated Operating Day Extract in the Market Information System (MIS) December 1-2, 2010. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Thursday, December 02, 2010 LONG DESCRIPTION: Minor configuration updates were made to the Extract Subscriber in the MIS regarding the Real Time Market Consolidated Operating Day Extract on December 1-2, 2010. ERCOT has verified that all market participants are subscribed as requested to the extracts based on subscription list as of December 1, 2010 at 10:00 CPT. ACTION ITEM: ERCOT requests that market participants verify their subscription through Extract Subscriber in the MIS to the Real Time Market Consolidated Operating Day Extract to ensure everything is as expected. 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 e-mail at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving e-mail 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/DG/DP