John Vinh

KeyBanc Capital Markets, Inc. is a registered investment bank and broker/dealer headquartered in Cleveland, Ohio. The firm was founded in 1983 and is a subsidiary of KeyCorp. (NYSE: KEY). KeyBanc Capital Markets provides investment banking, commercial lending, treasury management, derivatives, foreign exchange, equity and debt underwriting and trading and syndicated finance products and services to large corporations and middle-market companies.

Founded in 1990, Pacific Crest Securities LLC is an independent investment bank and SEC-registered broker/dealer headquartered in Portland, Oregon. The firm is a subsidiary of KeyCorp. (NYSE: KEY). Pacific Crest Securities participates in the following types of business: (1) making inter-dealer markets in corporate securities over-the-counter (2) retailing corporate equity securities over-the-counter (3) underwriting and selling group participant securities (4) retailing mutual funds (5) dealing in U.S. government securities (6) trading securities for their own account and (7) private placements of securities. The firm does not engage in transactions involving commodities, commodity futures or commodity options. Their investment banking activities include providing advisory services related to M&A transactions. Pacific Crest Securities focuses exclusively on the technology sector. They seek to identify emerging trends and provide insight and solutions to institutional investors, venture capitalists and technology companies in North America and Europe. Pacific Crest Securities provides equity research, institutional sales and trading, merger and acquisition advisory services, public company financings, private company financings and corporate services. Within the technology sector, Pacific Crest Securities targets a variety of industries including: (1) government policy regulation (2) clean technology (3) Internet and digital media (4) software and systems (5) communications technologies and (6) semiconductor technologies.

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

C. E. Unterberg, Towbin is a global investment bank headquartered in New York City with additional offices in California and Israel. The firm provides investment banking, research and investment management services to emerging growth companies and investors in the technology, health care and defense, security and diversified technology sectors. C. E. Unterberg was founded in 1932 by Clarence Unterberg. In 1977, the firm merged with L. F. Rothschild to form L. F. Rothschild, Unterberg, Towbin. In 1990, the firm again became privately owned and independent when Clarence Unterberg's son, Thomas I. Unterberg, re-launched the firm as a full-service investment bank.

Ariba, Inc. provides collaborative business commerce solutions. Its solutions include spend and supplier management, spend analysis, financial supply chain management, sourcing, contract management, supply chain collaboration and invoice management. The company was founded by Keith J. Krach, Robert J. Desantis, Paul Hegarty, Edward P. Kinsey, Robert D. Lent, Boris Putanec and Paul C. M. Touw in 1996 and is headquartered in Sunnyvale, CA.

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.