Michael Aingorn

Crestline Investors, Inc (Crestline Investors) is a private equity firm founded in 1997 by Douglas Bratton. The firm is headquartered in Fort Worth, Texas.

AIP LLC (American Industrial Partners) is a private equity firm founded in 1989. The firm is headquartered in New York City, New York.

BTG Pactual (United States) is a broker/dealer located in New York City. The firm is a subsidiary of BTG Pactual SA, the largest independent investment bank in Latin America. BTG Pactual began their equity brokerage business in 2003. The firm provides sales and trading services across a variety of asset classes in both local and international markets. Their services include customized execution, DMA algorithms and a dedicated execution platform for equities and ETD products. The firm also offers an electronic trading platform that provides clients with both a tool for their BM&F Bovespa trades and the ability to customize and enhance trade execution. BTG Pactual offers a range of products, securities transactions and services through their Sales & Trading teams in fixed-income, currencies and commodities (FICC) and through their equities teams in Brazil, Latin America and international markets. The firm's Sales & Trading teams also provide high quality execution across the various market segments, as well as products including equities cash and derivatives, FX and interest rate derivatives, swap products, money markets and credit trading (sovereign and corporate debt). BTG Pactual's Sales & Trading teams work closely with the firm's product specialists to offer structured and tailored products in Brazilian FX, FI and credit markets.

Based in New York City, Karsch Capital Management LP is a hedge fund manager. The firm was founded by Michael Karsch in 2000. Karsch manages the Karsch Capital Fund Ltd., the Karsch Capital II Fund Ltd. and the KCM Alpha Only Fund Ltd.

Plainfield Asset Management LLC is an independent hedge fund manager headquartered in Greenwich, Connecticut. The firm was founded by Max Holmes in 2005 to manage investment capital for institutions and high net-worth individuals.

Wellspring Capital Management LLC (Wellspring Capital Management) is a private equity firm founded in 1995 by Greg Feldman and Martin Davis. The firm is headquartered in New York.

Lehman Brothers Holdings, Inc. engages in the provision of securities underwriting and investment services. The company is headquartered in New York, NY.