Margarita Krivitski

ValueAct Capital Management LP (ValueAct Capital) is a registered investment advisor and hedge fund manager headquartered in San Francisco, California. The firm was founded in 2000 by Jeffrey Ubben, Peter Kamin and George Hamel. They are a subsidiary of ValueAct Holdings II LP, which is owned by Affiliated Managers Group, Inc. (NYSE: AMG). ValueAct Capital provides discretionary investment advice and management services to private investment funds and certain other investment vehicles (that include, but are not limited to, separately managed accounts and special purpose vehicles).

Goldman Sachs & Co. LLC (GS&Co.) is a securities brokerage firm headquartered in New York City. Founded in 1927, the firm is a subsidiary of The Goldman Sachs Group, Inc. (NYSE: GS). GS&Co. provides services to help hedge funds manage risk, monitor portfolios, maintain liquidity and build their businesses. They offer clients access to global equity and derivatives markets, as well as foreign exchange, commodities, European Lefts, rates and credit across the Americas, Europe and Asia. The firm proactively monitors capital markets, searching for pockets of liquidity and news that may require changes to those strategies. Integration with the Goldman Sachs network gives clients access to the firm's sectored block trades and their insights into price discovery. Their electronic trading program provides clients with tools to manage their trades from pre-trade analytics to post-trade analysis.

Founded in 2007, TPG Capital BD LLC is an SEC-registered broker/dealer located in Fort Worth, Texas. The firm is a subsidiary of TPG Capital LP.

Horizon Discovery Group Ltd. is a cell engineering company, which engages in the design and engineering of genetically-modified cells. The firm operates through the following business segments: Products, Services, and Leveraged Research & Development. The Products segment sells cell lines and other products. The Services segment offers cell line manufacturing services. The Leveraged Research & Development segment business unit is operated on a portfolio basis. It serves pharmaceutical, biotechnology, and diagnostic companies. The company was founded by Christopher John Torrance, Adam John Collier, and Alberto Bardelli in July 2005 and is headquartered in Cambridge, the United Kingdom.