NOTICE DATE:  December 10, 2010

NOTICE TYPE:  M-A121010-01 Emergency Outage: Reports and Extracts Database, Texas Market Link, Commercial API

SHORT DESCRIPTION:  ERCOT will take an emergency outage of the Reports and Extracts Database, Texas Market Link (TML), and Commercial API.

INTENDED AUDIENCE: All Market Participants

DAY AFFECTED:  December 10, 2010 from 17:00 to 18:00

LONG DESCRIPTION:  ERCOT will take an emergency outage of the Reports and Extracts Database, Texas Market Link (TML), and Commercial API to resolve performance issues.

The outage will affect everything published on MIS that is not redirected to www.ercot.com or another application. As a result of the outage, EWS Get Report, Commercial API, Texas Market Link (TML) and some links on www.ercot.com will not be available.

The outage is expected to last no more than 60 minutes (1 hour), and will begin at 17:00 today, Friday, December 10, 2010.

ADDITIONAL INFORMATION:  ERCOT will send a notice when the outage is complete.

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].