NOTICE DATE: May 2, 2013 NOTICE TYPE: W-A050213-01 Extracts - Wholesale SHORT DESCRIPTION: Invalid Posting of Extracts INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: May 1, 2013 LONG DESCRIPTION: On May 1, 2013, ERCOT inadvertently posted the following reports to production during Disaster Recovery testing. These postings have been removed. Please destroy any of these reports that you may have downloaded. All other extracts posted May 1, 2013, outside the specified timestamp below are valid. Report Name EMIL ID Report ID Trade Date Post Date Destroy Real Time Market Consolidated Operating Day Extract NP12-747 11113 10/31/2012 4/21/2013 05/01/2013 Reports posted on 05/01/2013 between 14:35:00 and 14:46:59 Real Time Market Market Operating Day Extract NP12-749 11114 04/20/2013 05/01/2013 Reports posted on 5/01/2013 at 14:46 The following extracts posted April 29, 2013, for the specified trade dates are valid. Report Name EMIL ID Report ID Trade Date Post Date Valid Real Time Market Consolidated Operating Day Extract NP12-747 11113 10/31/2012 4/21/2013 04/29/2013 Reports posted on 4/29/2013 are valid. Real Time Market Market Operating Day Extract NP12-749 11114 04/20/2013 04/29/2013 Reports posted on 4/29/2013 are valid. 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. ka