NOTICE DATE: January 28, 2010 NOTICE TYPE: R-A012810-01 Outage: NAESB system SHORT DESCRIPTION: ERCOT has scheduled an emergency outage of our NAESB system in order to fix the current production issue. INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: January 28, 2010 from 2:00 PM to 3:00 PM DESCRIPTION: ERCOT has scheduled an emergency outage of our NAESB system in order to fix the current production issue. ADDITIONAL INFORMATION: ERCOT has scheduled a conference call to provide the results of the CERT testing and answer questions regarding the current production issue. The conference call details are as follows: Teleconference: 1-866-469-3239 Meeting number: 357 739 496 Conference Call Date and Time: January 28, 2010 11:00 AM 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/>. DP/DG