Energy Capital Partners Management, LP

The Goldman Sachs Group is a leading global investment banking, securities and investment management firm that provides a wide range of services worldwide to a substantial and diversified client base that includes corporations, financial institutions, governments and high net-worth individuals. Founded in 1869, it is one of the oldest and largest investment banking firms. The firm offers an array of services, such as currencies and commodities, trading and capital markets, merchant banking, asset management, mutual funds and securities lending programs. The Goldman Sachs Group is headquartered in New York and maintains offices in London, Frankfurt, Tokyo, Hong Kong and other major financial centers throughout the world.

New Mountain Capital manages private and public equity capital with aggregate assets under management totaling more than $8.5 billion. It is a generalist firm that pursues tradeoffs across the sectors of education, health care, logistics, business services, federal IT services, media, software, insurance, consumer products, financial services and technology, infrastructure and energy. In selecting sectors, New Mountain Capital focuses on defensive growth industries. Its portfolio companies include Strayer Education Inc., National Medical Health Card Systems Inc., Everbank Financial Corp, RedPrairie Holding Inc., among others. The firm's team includes around 48 professionals drawn from private equity, investment banking, institutional investor, accounting, consulting firms and leading corporations across the United States.

Founded in 2001, Wasserstein & Company is one of the leading, independent private equity and investment firms in New York. The firm focuses on middle market leveraged buyout investments and related investment activities. It has expertise in a variety of media, consumer products and other buyout transactions. Wasserstein & Company targets investments of between $30 million and $150 million. The firm also manages a portfolio of debt and equity securities and other investments on the behalf of its stockholders and other investors. It manages more than $2 billion of capital on the behalf of institutional and individual investors, including foreign governmental entities, endowments and foundations, and public and corporate pension funds.