DALLAS, Dec. 18, 2012 /PRNewswire/ -- Alerian announced that following the close of business on Friday, December 21, PVR Partners L.P. (NYSE: PVR) will be added to the Alerian MLP Infrastructure Index (NYSE: AMZI).

PVR Partners owns and operates a network of natural gas midstream pipelines and processing plants in Texas, Oklahoma, and Pennsylvania. PVR also owns and manages coal and natural resource properties.

PVR Shares Outstanding: 127.815985
PVR Investable Weight Factor: 0.741503490349818

Crosstex Energy L.P. (NASDAQ: XTEX) will be removed from the index following the close of business on December 21. In addition, the 25 constituents of the index will be rebalanced on a capped, 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 Infrastructure Index

The Alerian MLP Infrastructure Index, comprised of 25 energy infrastructure Master Limited Partnerships, is a liquid, midstream-focused subset of the Alerian MLP Index (NYSE: AMZ). The index, whose constituents earn the majority of their cash flow from the transportation, storage, and processing of energy commodities, provides investors with an unbiased benchmark for the infrastructure component of this emerging asset class. The index, which is calculated using a capped, float-adjusted, capitalization-weighted methodology, is disseminated real-time on a price-return basis (NYSE: AMZI) and on a total-return basis (NYSE: AMZIX). For index values, yields, constituents, and announcements regarding rebalancings, please visit www.alerian.com.

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. Over $10.5 billion is directly tied to Alerian's indices, including the leading benchmark of MLP equities: the Alerian MLP Index (NYSE: AMZ). For more information, please visit www.alerian.com.

SOURCE Alerian