NOTICE DATE:  June 30, 2009

NOTICE TYPE:  M-A063009-02 Outage – Mospublic.ercot.com - UPDATE

SHORT DESCRIPTION:  Mospublic.ercot.com outage June 30, 2009

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  June 30, 2009

LONG DESCRIPTION: Due to troubleshooting work on the Market Management System (MMS), Mospublic.ercot.com is currently experiencing an outage. Users are receiving “Page could not be displayed” errors for Mospublic Real-time report links on Ercot.com. A follow-up notice will be sent as soon as more details are available.

ADDITIONAL INFORMATION:  THE ANCILLARY SERVICE MARKET WILL BE CLEARED AT 2:01 PM

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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dh