Alerian Announces Crestwood Added To The Alerian Natural Gas MLP Index

    Alerian Announces Crestwood Added To The Alerian Natural Gas MLP Index

PR Newswire

DALLAS, April 30, 2013

DALLAS, April 30, 2013 /PRNewswire/ --Alerian announced today that Crestwood
Midstream Partners (NYSE: CMLP) is expected to be added to the Alerian Natural
Gas MLP Index (NYSE: ANGI), replacing Copano Energy Partners (NASDAQ: CPNO) in
a special rebalancing.

Special rebalancings are triggered by corporate actions that result in the
termination of trading of an index constituent on a major US exchange. Such
corporate actions include, but are not limited to, mergers, delistings, and
bankruptcies. Pending unitholder approval, CPNO will cease to trade on the
NASDAQ due to its merger with Kinder Morgan Energy Partners (NYSE: KMP).

Crestwood is a midstream company provides gathering, processing, treating and
compression services for natural gas and natural gas liquids production.

CMLP Shares Outstanding: 59,929,493
CMLP Investable Weight Factor: 0.556667749884018

On special rebalancing dates, the new constituent will take over the index
weight, as of the last trading day, of the replaced constituent. 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 Natural Gas MLP Index
The Alerian Natural Gas MLP Index is an equal-weighted composite of 20 natural
gas infrastructure Master Limited Partnerships (MLPs). The index, whose
constituents earn the majority of their cash flow from the transportation,
storage, and processing of natural gas and natural gas liquids (NGLs),
provides investors with an unbiased benchmark for the infrastructure component
of the natural gas industry. The index is disseminated real-time on a
price-return basis (NYSE: ANGI), and the corresponding total-return index is
disseminated daily through ticker ANGIX. 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 and energy infrastructure market intelligence,
providing benchmarks, data sets, and analytics that are used extensively by a
range of industry stakeholders such as management teams, investment
professionals, research analysts, and national media. The Alerian Index Series
is used to analyze relative performance and to create index tracking funds.
Over $13 billion is directly tied to Alerian's indices, including the leading
benchmark of MLP equities: the Alerian MLP Index (AMZ). For more information,
please visit

SOURCE Alerian

Contact: Maria Halmo, Director, 972.957.7700,
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