NOTICE DATE: March 10, 2011

NOTICE TYPE: M-B031011-01 CRR

SHORT DESCRIPTION: CRR Non-Thermal Ratings Updated for April Auction

INTENDED AUDIENCE: CRR Account Holders

DAY AFFECTED: March 10, 2011

LONG DESCRIPTION: The West to North non-thermal ratings have been lowered from 1763 to 1086 for the 2011_APR_1stSixMonth_Auction. Updated network files are available on MIS, as well as through the Download facility in the CRR application.

CONTACT: If you have any questions, please contact either the CRR team by email at [log in to unmask] or 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 email at [log in to unmask].

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