Thomas Weisel Partners Group

EXECUTIVE OFFICERS

Thomas W. Weisel

Chairman & CEO

Thomas W. Weisel is Chairman and Chief Executive Officer of Thomas Weisel Partners. Previously, Thom was Chairman and Chief Executive Officer of Montgomery Securities, a firm he founded in 1971, which was bought by NationsBank in 1997, currently named Bank of America.

Thom has been on the U.S. Ski Team Foundation Board since 1977, and was the Chairman from 1983 through 1994. Thom is also the founder and largest investor in the Discovery Channel (previously US Postal) pro cycling team, formerly led by Lance Armstrong, seven-time winner of the Tour de France, which he established 18 years ago.

Thom serves on the Boards of the Museum of Modern Art in New York and the San Francisco Museum of Modern Art. He is also a member of the Stanford Endowment Management Board and the Chairman of USA Cycling Development Foundation Board.

Thom graduated from Stanford University with distinction and honors in Economics and obtained his MBA from Harvard.

Lionel F. Conacher

President & COO

Lionel F. Conacher is President and Chief Operating Officer of Thomas Weisel Partners. Previously, Lionel was President and Chief Executive Officer of Westwind Partners, a firm he co-founded in 2002, which was acquired by Thomas Weisel Partners in 2008.

Lionel has worked in the financial industry for over 20 years. From 1995 through 2001, he held senior positions at independent investment banking firms in Canada. From 1989 through 1994, Lionel was a Managing Partner with Hees International Bancorp Inc. (now Brookfield Asset Management Inc.), responsible for financing all of the companies in the EdperBrascan group. Between 1985 and 1989, he worked in the Investment Banking group at Citicorp (now Citigroup) in New York, Toronto and the UK. He is a former Director of Cadillac Fairview Corporation and Great Lakes Power, Inc.

Lionel is actively involved in both the San Francisco and Toronto communities, serving on the Board of Trustees of the San Francisco Museum of Modern Art and as a Director of Canada’s leading contemporary arts centre, Harbourfront Centre. He also serves as an Advisor to Respect in Sport. Lionel has a B.A. in Economics and Art History from Dartmouth College, Hanover, New Hampshire.

Tom Carbeau

Head of Institutional Sales

Tom Carbeau is a Senior Managing Director and Head of Institutional Sales at Thomas Weisel Partners. Tom joined the firm in 2006 and is based in New York. He has over 13 years of experience in Institutional Sales, Equity Capital Markets, and Corporate Finance. Prior to joining the firm, Tom was an Executive Director at CIBC World Markets and a Vice President at Morgan Stanley. Tom graduated summa cum laude from Georgetown University with an MS degree in Finance.

Mark Fisher

General Counsel

Mark P. Fisher is a Managing Director and has served as General Counsel for Thomas Weisel Partners. Mark joined the firm in 2005 and is based in San Francisco. Prior to joining the firm, Mark practiced corporate and securities law at Sullivan & Cromwell LLP. Mark received a BA degree from Stanford University, a JD from Harvard Law School and a PhD in economics from the University of Chicago.

R. Keith Gay

Head of Research

Keith Gay is a founding Partner and Senior Managing Director at Thomas Weisel Partners. Prior to his becoming Head of Research, Keith served as Associate Director of Research from 2005-2008 and as a Research Analyst following Applications Software from 2000 to 2005. From 1996 until 1999, he was a Managing Director and a Senior Research Analyst at NationsBanc Montgomery Securities, where he followed the Education and Training sectors. Before that, Keith was a Vice President in Investment Banking at Merrill Lynch & Co., where he covered the General Industrials sector. He entered the investment banking business following a 10-year career in the U.S. Air Force, where he was an Assistant Professor at the U.S. Air Force Academy Department.

Keith Harris

Treasurer

Keith Harris is a Managing Director and Treasurer of Thomas Weisel Partners as well as President and Chief Financial Officer of Thomas Weisel Partners Canada Inc. Prior to that he was Chief Financial Officer of Westwind Partners Inc. from its start-up in 2002 until its purchase by TWP in January 2008. For the period from 1989 to 2002, Keith held senior positions in institutional broker-dealer boutiques - Chief Financial Officer of Octagon Capital Corporation and Chief Operating Officer of Sanwa McCarthy Securities. He holds a Bachelor of Commerce degree from the University of Toronto and is a Canadian Chartered Accountant.

William McLeod

Co-Head of Investment Banking

Bill McLeod is a Senior Managing Director, Co-Head of Investment Banking and Head of Capital Markets at Thomas Weisel Partners. Bill joined the firm in 2004 and is based in San Francisco. He began his investment banking career in 1988 and has more than 17 years of experience. Bill’s background includes acting as Co-Head of US Equity Capital Markets at Banc of America Securities in San Francisco and serving in Equity Capital Markets, Investment Banking and M&A roles with J.P. Morgan in New York. Bill earned an MBA degree from the University of Chicago and a BBA degree from Southern Methodist University.

Brad Raymond

Co-Head of Investment Banking

Brad Raymond is Co-Head of Investment Banking and a Senior Managing Director in Software, Media and Telecom Investment Banking at Thomas Weisel Partners. Brad joined the firm in 2004 and is based in New York. He has more than 14 years of technology investment banking experience. Prior to joining the firm, Brad was Co-Head of Software Investment Banking at Morgan Stanley. Previously he was in the Technology M&A Group at JP Morgan and an Analyst at Alex. Brown & Sons. Brad is actively involved in the community including being on the Board of New York City Outward Bound and a Trustee for the Westminster School, Brad received a BA degree from Harvard College and an MBA from Berkeley Haas School of Business.

Paul Slivon

Chairman, Wealth Management

Paul C. Slivon is a Senior Managing Director and Chairman of Wealth Management. Prior to joining Thomas Weisel Partners as a Partner in Institutional Sales in January 1999, Paul served as Managing Director of Institutional Sales at Robertson Stephens & Company Group LLC, an investment banking and financial services firm. Previously, Paul was Senior Vice President of Kemper Securities. Paul received a Bachelor of Arts degree from Amherst College and an MBA degree from the Anderson School of Business.

Anthony Stais

Head of Trading

Anthony V. Stais is a Senior Managing Director and Head of Trading at Thomas Weisel Partners. Anthony joined Thomas Weisel Partners as Director of Sales-Trading in 2001 and is based in San Francisco. Prior to joining the firm, he worked at Goldman Sachs, Merrill Lynch and Salomon Brothers in both institutional sales trading and wealth management. Anthony received a Bachelor of Arts degree from Bowdoin College.

Shaugn Stanley

Chief Administrative Officer

Shaugn Stanley is a Senior Managing Director and Chief Administrative Officer of Thomas Weisel Partners. Previously he was the Chief Financial Officer of Montgomery Securities for two years from 1996 to 1998 and the Chief Financial Officer of Thomas Weisel Partners from its founding in 1998 until 2001. From 2001 he has been a Partner and Managing Director of Thomas Weisel Partners. Prior to his work for Montgomery Securities, Shaugn was with Fidelity Investments for six years serving as the Chief Financial Officer for the brokerage division. Shaugn holds a degree in accounting from Stephen F. Austin State University and is a Certified Public Accountant.

Ryan Stroub

Chief Financial Officer

Ryan Stroub is a Managing Director and the Chief Financial Officer of Thomas Weisel Partners. He had previously held the role of Chief Accounting Officer, joining the Firm in February of 2006. Prior to joining Thomas Weisel Partners, Ryan was with E*TRADE Financial Corporation for seven years serving as the Corporate Controller. Ryan holds a degree in accounting from the University of California at Santa Barbara.