NOTICE DATE: March 25, 2008 NOTICE TYPE: M-A031708-08 UPDATE Extracts - Wholesale/Retail CLASSIFICATION: Public SHORT DESCRIPTION: ERCOT is continuing to experience delays with posting several data extracts/reports. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: March 15, 2008 to Current LONG DESCRIPTION: ERCOT is continuing to experience delays with posting several data extracts/reports. The following extracts/ reports are posting later than expected: Settlement Input Data (SID) Market Shadow Prices (SHP) Forecasted Transmission Loss Factor Actual Transmission Loss Factor TDSP Distribution Loss Factors - Forecasted TDSP Distribution Loss Factors - Actual Unaccounted For Energy Load Estimation Counts Load Estimation Volume ESI ID Consumption Data Loading - IDR Protocol Compliance - Daily Below is a summary of 867_03 Activity Reports posting since March 18, 2008. Actual run Date - Report Posting Time Expected Run Date Report Results Contained 3/23/2008 1:52 PM 3/20/2008 NIDR 867_03 Activity Report IDR replacement usage data received 3/18 3AM - 3/19 3AM and IDR usage received from 3/19 3AM to 3/20 3AM 3/24/2008 2:41 PM 3/20/2008 NIDR 867_03 Activity Report NIDR replacement usage data received 3/18 3AM - 3/19 3AM and NIDR usage received from 3/19 3AM to 3/20 3AM 3/24/2008 5:32 PM 3/21/2008 NIDR and IDR 867_03 Activity Report NIDR and IDR replacement usage data received 3/19 3AM - 3/20 3AM and NIDR and IDR usage received from 3/20 3AM to 3/21 3AM 3/24/2008 7:55 PM 3/22/2008 NIDR and IDR 867_03 Activity Reports NIDR and IDR replacement usage data received 3/20 3AM - 3/21 3AM and NIDR and IDR usage received from 3/21 3AM to 3/22 3AM 3/24/2008 8:56 PM 3/23/2008 NIDR and IDR 867_03 Activity Reports NIDR and IDR replacement usage data received 3/21 3AM - 3/22 3AM and NIDR and IDR usage received from 3/22 3AM to 3/23 3AM 3/25/2008 9:03 AM 3/24/2008 NIDR and IDR 867_03 Activity Reports NIDR and IDR replacement usage data received 3/22 3AM - 3/23 3AM and NIDR and IDR usage received from 3/23 3AM to 3/24 3AM 3/25/2008 10:28 AM 3/25/2008 NIDR and IDR 867_03 Activity Reports NIDR and IDR replacement usage data received 3/23 3AM - 3/24 3AM and NIDR and IDR usage received from 3/24 3AM to 3/25 3AM ADDITIONAL INFORMATION: With the exception of the 867_03 Activity Reports, all extracts/reports listed above have been posted for March 15-22 2008. 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] <blocked::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