Black Stone Minerals To Join The Alerian MLP Index And Alerian MLP Equal Weight Index

DALLAS, Nov. 30, 2015 /PRNewswire/ -- Alerian announced today that Black Stone Minerals (NYSE: BSM) is expected to be added to the Alerian MLP Index (NYSE: AMZ) and the Alerian MLP Equal Weight Index (CME: AMZE), replacing MarkWest Energy Partners (NYSE: MWE) 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, MWE will cease to trade on the NYSE due to its merger with MPLX. If approved, the rebalancing will take place one full trading session after the constituent's issuance of a press release indicating all needed merger votes have passed.

Black Stone Minerals owns oil and natural gas mineral interests.

The 50 constituents of the Alerian MLP Index will be rebalanced on a float-adjusted, capitalization-weighted basis in accordance with the existing index methodology. The 50 constituents of the Alerian MLP Equal Weight Index will be rebalanced on an equal-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 the leading gauge of energy Master Limited Partnerships (MLPs). The float-adjusted, capitalization-weighted index, whose 50 constituents represent approximately 75% of total market capitalization, is disseminated real-time on a price-return basis (AMZ) and on a total-return basis (AMZX).

Alerian the Alerian MLP Equal Weight Index
The Alerian MLP Equal Weight Index is the equal-weighted version of the widely used Alerian MLP Index (AMZ). The index, which includes the same 50 companies as the float-adjusted, capitalization-weighted AMZ but allocates a 2% weight to each constituent at each rebalancing, is disseminated real-time on a price-return basis (AMZE) and on a total-return basis (AMZEX).

About Alerian
Alerian equips investors to make informed decisions about Master Limited Partnerships (MLPs) and energy infrastructure. Its benchmarks, including the flagship Alerian MLP Index (AMZ), are widely used by industry executives, investment professionals, research analysts, and national media to analyze relative performance. Over $15 billion is directly tied to the Alerian Index Series through exchange-traded products, delta one notes, and separately managed accounts. For more information, including index values, yields, constituents, and announcements regarding rebalancings, please visit www.alerian.com.

SOURCE Alerian

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