Alerian Announces Crestwood Midstream Partners Added to the Alerian MLP Index

Jun 15, 2011, 08:35 ET from Alerian

DALLAS, June 15, 2011 /PRNewswire/ -- Alerian announced today that following the close of business on Friday, June 17, Crestwood Midstream Partners LP (NYSE: CMLP) will be added to the Alerian MLP Index (NYSE: AMZ).

Crestwood owns and operates gathering, processing, treating, and compression assets servicing natural gas producers in the Barnett Shale in North Texas, the Fayetteville Shale in Northwest Arkansas, the Granite Wash area in the Texas Panhandle, and the Avalon Shale area of Southeastern New Mexico.

CMLP Shares Outstanding: 39,230,696

CMLP Investable Weight Factor: 0.332317486796564

Holly Energy Partners LP (NYSE: HEP) will be removed from the index following the close of business on June 17. In addition, the 50 constituents of the index will be rebalanced on a float-adjusted, capitalization-weighted basis in accordance with the existing index methodology. Constituent additions to and deletions from the index do not reflect an opinion by Alerian on the investment merits of the respective securities.

About the Alerian MLP Index

The Alerian MLP Index is a composite of the 50 most prominent energy Master Limited Partnerships that provides investors with an unbiased, comprehensive benchmark for this emerging asset class. The index, which is calculated using a float-adjusted, capitalization-weighted methodology, is disseminated real-time on a price-return basis (NYSE: AMZ) and on a total-return basis (NYSE: AMZX). For index values, yields, constituents, and announcements regarding rebalancings, please visit

About Alerian

Alerian is an independent company that provides objective market information. The company is a leader in MLP-market intelligence, providing benchmarks, data sets, and analytics that are used extensively by a range of stakeholders such as investment banks, stock exchanges, investment professionals, consultants, and Master Limited Partnerships. The Alerian Index Series is used for the purposes of asset allocation, investment analysis, portfolio hedging, and the creation of index tracking funds. Alerian is widely known for maintaining the leading benchmark of MLP equities: the Alerian MLP Index (NYSE: AMZ). For more information, please visit

SOURCE Alerian