NOTICE DATE: April 1, 2008 NOTICE TYPE: W-C040108-01 Operations CLASSIFICATION: Public SHORT DESCRIPTION: RPRS market for Operating Day April 1, 2008 were determined to be invalid INTENDED AUDIENCE: QSE Operations Personnel DAY AFFECTED: April 1, 2008 LONG DESCRIPTION: ERCOT has reviewed the results of RPRS market for Operating Day April 1, 2008 and determined the results are invalid due to incorrect data input. Due to this incorrect data all of the RPRS Market Clearing Prices for Capacity (MCPCs) will be corrected to a value of zero. 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/> . dls