Stan Velikov

Founded in 1991, Collins Stewart LLC is a broker/dealer headquartered in New York City. The firm is a subsidiary of UK-based Collins Stewart Plc. Their research focuses on the aerospace and defense, technology, telecommunications, biotechnology, Internet/software and semiconductors sectors

UBS Securities LLC is an investment bank and registered broker/dealer headquartered in New York City. The firm was founded in 1998 as UBS Warburg LLC. They are a subsidiary of UBS Americas Holding LLC, ultimately held by UBS Group AG (SWX: UBSG, NYSE: UBS) in Switzerland. UBS Securities is a primary dealer in US Government securities and provides a full range of investment banking services which includes corporate finance, mergers and acquisitions, capital markets, trading and sales, fixed-income, equity research, private banking, underwriting and prime brokerage operations. The firm also provides advisory services and access to capital markets for corporate, institutional, intermediary and alternative asset management clients.

Jefferies LLC is a global investment bank and institutional securities firm headquartered in New York City. The firm was founded in 1962 and is a subsidiary of Jefferies Group LLC, ultimately held by Jefferies Financial Group, Inc. (NYSE: JEF). Jefferies provides corporate clients with research and execution services in equity, fixed income, and foreign exchange markets, as well as a full range of investment banking services such as underwriting, mergers and acquisitions, restructuring and recapitalization, and other advisory services, with all businesses operating in the Americas, Europe and Asia.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Columbia Partners LLC Investment Management is an asset management firm headquartered in Chevy Chase, Maryland. The firm was founded in 1995 and provides investment advisory services to institutions, individuals, employees of Columbia Partners, investment companies, unions, Taft-Hartley plans, pension and profit sharing plans, trusts, estates, charitable organizations and corporations.

Oppenheimer & Co., Inc. (Broker) (Oppenheimer-Broker) is the global full-service brokerage division of Oppenheimer & Co., Inc., an investment boutique headquartered in New York City with additional offices nationwide. Founded in 1975, the firm is owned directly by Viner Finance Inc., an indirect subsidiary of Oppenheimer Holdings Inc. (NYSE: OPY). Oppenheimer-Broker offers a full array of brokerage services to retail, institutional, and corporate clients.

Wells Fargo Securities LLC (WFS) is the broker/dealer subsidiary of EVEREN Capital Corp., ultimately owned by Wells Fargo & Co. (NYSE: WFC). Headquartered in New York, WFS delivers a comprehensive suite of banking, capital markets and advisory solutions, such as a full complement of sales, trading and research capabilities, to corporate, government and institutional clients.