NOTICE DATE: July 18, 2008

NOTICE TYPE: M-A071808-02 UPDATE - Extracts

SHORT DESCRIPTION: The Backcasted Profiles Extract for July 16, 2008 has posted.

INTENDED AUDIENCE: QSEs and LSEs

DAY AFFECTED: July 18, 2008

LONG DESCRIPTION: The Backcasted Profiles Extract for Operating Day July 16, 2008, which should have posted on July 17, 2008, posted at approximately 11:35 AM today. The original notice referenced the affected Operating Day as July 17, 2008 in error.

ERCOT is continuing to investigate the root cause 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].

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