Andrew Lubeck

Sanford C. Bernstein & Co. LLC is a registered broker-dealer headquartered in New York City. The firm was founded in 1967 and is a subsidiary of Alliance Capital Management LLC, ultimately held by Equitable Holdings, Inc. (NYSE: EQH). Sanford C. Bernstein & Co. provides trading and executions services to their clients.

Founded in 1992, Ziff Brothers Investments LLC is a hedge fund manager located in New York City. The firm is the primary investment vehicle of the Ziff family, founders of Ziff-Davis Publishing.

Citadel Investment Advisory, Inc. (Citadel) is a privately-held, SEC-registered investment advisor and wealth management firm headquartered in Willoughby, Ohio. The firm was founded by Kurt T. Liedtke in 1996. Citadel provides investment advisory services to individuals and their tangential accounts such as IRA's, trusts, and individual retirement plans. To a lesser extent, other clients would include incorporated entities, trusts, estates, retirement accounts. The firm does not work with banks, thrifts, or investment companies.

Autonomous Research US LP is an investment research firm located in New York City. The firm is a subsidiary of Autonomous Research LLP. The firm provides coverage of all major European banks and insurers and US banks, asset managers and payment processors. The company publishes research for both equity and credit investors. The company also offers execution service across the capital structure.