Alerian announced that following the close of business on Friday, June 15, Atlas Pipeline Partners (NYSE: APL) will be added to the Alerian MLP Index (NYSE: AMZ).

Atlas owns and operates gathering and processing assets servicing natural gas producers in the Mid-Continent and Permian drilling basins of Oklahoma, southern Kansas, and western Texas.

APL Shares Outstanding: 53,625,237
APL Investable Weight Factor: 0.877289842883119

Alliance Holdings GP LP (NASDAQ: AHGP) will be removed from the index following the close of business on June 15. 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.