NOTICE DATE:  April 7, 2011

NOTICE TYPE:  W-A040711-01 Extracts – Wholesale

SHORT DESCRIPTION:  Peaker Net Margin Report updated due to price correction

INTENDED AUDIENCE:  ERCOT Market Participants

DAY AFFECTED:  April 4, 2011

LONG DESCRIPTION:  Due to a price correction for Operating Day April 1, 2011, the Peaker Net Margin Report (NP4-790-CD) files posted for April 1 – 3, 2011, contained incorrect cumulative values.

The April 4, 2011, file has been updated with the correct cumulative value based on the price correction.

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dh