NOTICE DATE: April 29, 2008 NOTICE TYPE: M-A042808-02 - FINAL - Other - Degradation CLASSIFICATION: Public SHORT DESCRIPTION: ERCOT continues to investigate the root cause of the performance degradation of the Report Explorer Application Programming Interface (API). INTENDED AUDIENCE: All Market Participants DAY AFFECTED: April 28, 2008 from 4:55 AM to 6:44 AM LONG DESCRIPTION: ERCOT continues to perform investigative analysis. However, at this time ERCOT is unable to the determine root cause of the performance degradation of the Report Explorer API. This will be the final notice for this issue. 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] 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/> . JA/TR ________________________________ From: ERCOT Client Relations Sent: Monday, April 28, 2008 9:22 AM To: [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask] Cc: [log in to unmask]; [log in to unmask]; [log in to unmask]; 1 ERCOT Client Service Reps Subject: M-A042808-01 Other - Degradation - Retail/Wholesale NOTICE DATE: April 28, 2008 NOTICE TYPE: M-A042808-01 - Other - Degradation CLASSIFICATION: Public SHORT DESCRIPTION: ERCOT experienced performance degradation on the Report Explorer Application Programming Interface (API). INTENDED AUDIENCE: All Market Participants DAY AFFECTED: April 28, 2008 from 4:55 AM to 6:44 AM LONG DESCRIPTION: Monday, April 28, 2008 from 4:55 AM to 6:44 AM ERCOT's Report Explorer Application Programming Interface (API) experienced a performance degradation impacting Market Participants utilizing API. ERCOT is researching the issue and will provide additional information as it becomes 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] 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/TR