Keith Gay

Founded in 1998, Thomas Weisel Partners (TWP) is a broker/dealer headquartered in San Francisco with offices in New York City, Boston, Denver, Colorado and Palo Alto, California. The firm is a subsidiary of Thomas Weisel Partners Group, Inc. (Nasdaq: TWPG), a San Francisco-based investment banking firm. Their ultimate parent is Stifel Financial Corp. (NYSE: SF). TWP's investment banking, brokerage and equity research divisions serve emerging growth companies and institutional investors around the world. They are a member of the NYSE, the SIPC and FINRA. TWP specializes in the growth sectors of the economy with a particular focus on the consumer, energy, healthcare, Internet, media/telecommunications, metals/mining and technology sectors. Within the consumer sector, the firm focuses on: financial products, gaming/lodging, interactive market services, lifestyles/sports retailers, restaurants and hardlines and softlines retailing. TWP's global energy research is provided by analysts in three countries and covers the following trends: (1) fast-growing oil and natural gas producers in North America and worldwide (2) domestic and international energy service companies and (3) alternative energy technology and resource developers. Within the healthcare sector, TWP focuses on: biotechnology, diagnostics, healthcare information technology, pharmaceutical services, life science technology, medical devices and specialty pharmaceuticals. The firm's interest in the Internet, media and telecommunications sector include: Internet services, media, broadcasting and telecommunications services. Their focus within the metals and mining sector include: base metals, gold, precious metals and uranium. TWP's technology research focuses on: (1) applied technologies (2) communications components (3) core and wireless communications equipment (4) IP networking communications equipment (5) electronic supply chain (6) enterprise hardware (7) information and financial technology services (8) semiconductor capital equipment (9) broadline and specialty semiconductors (10) applications and communications software and (11) infrastructure software. TWP also provides value-added equities analysis across a variety of sectors including: industrials, financials, consumer, technology and healthcare.

Merrill Lynch, Pierce, Fenner & Smith, Inc. (MLPFS) is the SEC-registered broker/dealer subsidiary of Merrill Lynch & Co., Inc., ultimately held by Charlotte-based Bank of America Corp. (NYSE: BAC). The firm was founded in 1958 and is headquartered in New York City. In 2010, Banc of America Securities LLC merged with MLPFS and the firm uses the trade name Bank of America Merrill Lynch. MLPFS's global strategy and economics team serves institutional and individual investors using a wide range of macroeconomic disciplines. Their analysis of global issues provides clients with investment ideas, market forecasts, macro overviews and specific sector recommendations across asset classes, regions and disciplines. Their equity research team conducts fundamental analysis on companies globally and provides institutional and retail clients with industry-specific and in-depth research and analysis on numerous industries. The firm's global fixed-income and equity-linked research focuses on fixed-income and equity derivatives, fixed-income strategy, convertibles, commodities, high-yield, mortgages, municipals and global foreign exchange.

Thomas Weisel Partners Group, Inc. is an investment banking company, which engages in the provision of investment banking, brokerage, equity research, and asset management services. Its services include brokerage services, tax and estate planning strategies, investment management consulting, alternate investments, and corporate client services. The company was founded by Thomas W. Weisel in 1999 and is headquartered in San Francisco, CA.

Merrill Lynch & Co., Inc. provided wealth management, securities trading and sales, corporate finance and investment banking services. Merrill Lynch was a global trader and underwriter of securities and derivatives across a range of asset classes and serve as a strategic advisor to governments, institutions and individuals worldwide. The company was founded in 1913 and was headquartered in Charlotte, NC.

Founded in 2002, Thomas Weisel Partners Canada, Inc., formerly Westwind Partners, Inc., is an institutional investment bank, investment advisor and broker/dealer headquartered in Toronto, Ontario. The firm is a subsidiary of Thomas Weisel Partners Group, Inc. (Nasdaq: TWPG), a San Francisco-based investment banking firm. Their ultimate parent is Stifel Financial Corp. (NYSE: SF). Thomas Weisel Partners Canada specializes in the growth sectors of the economy with a particular focus on the consumer, energy, healthcare, Internet, media, telecommunications, metals/mining and technology sectors. They provide equity research on US, Canadian and UK-listed companies, equity trading capabilities and advice to corporations on M&A, financing and restructuring transactions. Thomas Weisel Partners Canada is a member of the CIPF/FCPE and the IIROC.

Stifel, Nicolaus & Co., Inc. (Stifel) is a dual-registered broker-dealer and investment adviser headquartered in St. Louis, Missouri. Founded in 1890, the firm is a subsidiary of Stifel Financial Corp. (NYSE: SF), a financial service holding company. Stifel provides full-service brokerage and investment advisory services to individuals and their families, institutions and businesses, and financial advisors.