DALLAS, July 17, 2018 /PRNewswire/ -- Alerian announced today that Boardwalk Pipeline Partners BWP will be removed from the Alerian Midstream Energy Index (AMNA), Alerian MLP Infrastructure Index (AMZI), Alerian US Midstream Energy Index (AMUS), Alerian Energy Infrastructure Capital Strength Select Index (AMCS), Alerian MLP Index (AMZ), Alerian MLP Equal Weight Index (AMZE), Alerian Natural Gas MLP Index (ANGI), and Alerian Mid Cap MLP Index (AMMI) in a special rebalancing.

Special rebalancings are triggered by corporate actions such as mergers, bankruptcies, and liquidations. BWP will cease to trade due to its go-private transaction with its general partner. The rebalancing will take place after market close on Wednesday, July 18, 2018.

Each index will be rebalanced in accordance with its existing methodology. Constituent additions to and deletions from an index do not reflect an opinion by Alerian on the investment merits of the respective securities.

About the Alerian Midstream Energy Index
The Alerian Midstream Energy Index is a broad-based composite of North American energy infrastructure companies. The capped, float-adjusted, capitalization-weighted index, whose constituents earn the majority of their cash flow from midstream activities involving energy commodities, is disseminated real-time on a price-return basis (AMNA) and on a total-return basis (AMNAX).

About the Alerian MLP Infrastructure Index
The Alerian MLP Infrastructure Index is a composite of energy infrastructure Master Limited Partnerships (MLPs). The capped, float-adjusted, capitalization-weighted index, whose constituents earn the majority of their cash flow from midstream activities involving energy commodities, is disseminated real-time on a price-return basis (AMZI) and on a total-return basis (AMZIX).

About the Alerian US Midstream Energy Index
The Alerian US Midstream Energy Index is a broad-based composite of US energy infrastructure companies. The capped, float-adjusted, capitalization-weighted index, whose constituents earn the majority of their cash flow from midstream activities involving energy commodities, is disseminated real-time on a price-return basis (AMUS) and on a total-return basis (AMUSX).

About the Alerian Energy Infrastructure Capital Strength Select Index
The Alerian Energy Infrastructure Capital Strength Select Index is a composite of North American midstream, refining, and utility companies chosen for their ownership of pipeline transportation assets, leverage profile, and above-market dividend payments. The index is disseminated real-time on a price-return basis (AMCS) and on a total-return basis (AMCST).

About the Alerian MLP Index
The Alerian MLP Index is the leading gauge of energy Master Limited Partnerships (MLPs). The capped, float-adjusted, capitalization-weighted index, whose constituents represent approximately 85% of total float-adjusted market capitalization, is disseminated real-time on a price-return basis (AMZ) and on a total-return basis (AMZX).

About 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 companies as the float-adjusted, capitalization-weighted AMZ but allocates the same 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 the Alerian Natural Gas MLP Index
The Alerian Natural Gas MLP Index is a composite of natural gas infrastructure Master Limited Partnerships (MLPs). The equal-weighted index, whose constituents earn the majority of their cash flow from midstream activities involving natural gas and natural gas liquids (NGLs), is disseminated real-time on a price-return basis (ANGI) and end-of-day on a total-return basis (ANGIX).

About the Alerian Mid Cap MLP Index
The Alerian Mid Cap MLP Index is a composite of mid-cap energy Master Limited Partnerships (MLPs). The capitalization-weighted index, which represents approximately 20% of total market capitalization, is disseminated real-time on a price-return basis (AMMI) and on a total-return basis (AMMIX).

About Alerian
Alerian equips investors to make informed decisions about energy infrastructure and Master Limited Partnerships (MLPs). Its benchmarks are widely used by industry executives, investment professionals, research analysts, and national media to analyze relative performance. As of June 30, 2018, over $15 billion is directly tied to the Alerian Index Series through exchange-traded funds and notes, separately managed accounts, and structured products. For more information, including index values and constituents, research content, and announcements regarding rebalancings, please visit alerian.com.

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SOURCE Alerian