NOTICE DATE: April 23, 2008 NOTICE TYPE: W-A042308-01 Extracts CLASSIFICATION: Public SHORT DESCRIPTION: Market Information Extracts were impacted as a result of an ERCOT database failover. INTENDED AUDIENCE: QSEs DAY AFFECTED: April 21, 2008 and April 22, 2008 LONG DESCRIPTION: Due to a database emergency failover on April 21, 2008 some Extracts were posted with missing data. The following Extracts were impacted: Forecast_Data_Daily Market_Information_Daily Ancillary_Services_Daily Bids_and_Schedules_Daily ASDEPLOYMENTS Self_Sch_Energy_Services Actual_Resource_Output Dynamic_Load ERCOT is working on resolving this issue. Additional information will be provided when available. 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/> . yl