5/30/2006  
To: CTA
From: NYSE Group
Subject: Alerian MLP Index (NYSE.AMZ) launched on May 30th, disseminated by NYSE Group
Index Description
The Alerian MLP Index is a composite of the 50 most prominent energy master limited partnerships and will be calculated by Standard & Poor’s using a float-adjusted market capitalization methodology. The index will be disseminated real-time on a price return basis (NYSE: AMZ). Alerian and Standard and Poor’s have calculated 10 years of historical index data on both a price and total return basis (see attached Excel file below).

The Alerian Index data shall be disseminated via CTS every 15 seconds during normal NYSE Group business hours.

Alerian MLP Index  (5/30/2006)
Alerian MLP Index (NYSE.AMZ) launched on May 30th, disseminated by NYSE Group
AMZ Excel  (5/30/2006)
History File
Contacts: For business related questions please contact James P. McGowan at (212) 656-2490. For any technical questions please contact Peggy Sullivan (212) 656-5553.