American Energy Partners LP (AELP) affiliate American Energy Mineral Holdings LLC (AEMH) has raised $500 million in equity commitments to pursue a business plan to acquire minerals and overriding mineral interests in U.S. onshore basins. AELP's private equity sponsor The Energy and Mineral Group (EMG), AEMH management and others provided an initial commitment of $350 million to purchase 28,000 net mineral acres and 29,000 acres of overriding royalty stakes in the Texas portion of the Permian Basin, and the Woodford, Utica and Marcellus shales. EMG, based in Houston and run by CEO John Raymond, also provided AEMN with initial working capital. AELP was founded by Aubrey McClendon in April 2013 with 15 employees and has grown to more than 650 people. AELP said it has raised more than $16 billion since its inception.