Hercules Expands Investment Team With the Addition of a Managing Director of Business Development and Experienced Investment Professionals from Silicon Valley Bank and Cowen and Company

New Hires Reinforce the Growth of the Company's New Business Pipeline and Competitive Industry Presence

PALO ALTO, Calif.--(BUSINESS WIRE)--

In conjunction with its expansion and growth, Hercules Technology Growth Capital, Inc. (NASDAQ: HTGC), the premier specialty finance company providing venture debt and equity to venture capital and private equity backed technology and life science companies at all stages of development, today announced the expansion of its investment team. Greg Roth joins the Palo Alto office as managing director of business development, and Hercules welcomes three new associates from Silicon Valley Bank and Cowen and Company--Brandt Roberts, Cassidy Chroust and David Roh.

"Our pipeline of venture capital backed companies seeking venture debt and equity financing solutions has reached a critical milestone, and it became apparent that we needed a managing director dedicated to reviewing new opportunities," said Manuel A. Henriquez, chairman and chief executive officer of Hercules. "We are pleased to welcome Greg into this new position, and we are confident that his experience in technology investment banking will bring exceptional value addressing our new business needs as Hercules continues to grow our investment portfolio and team."

Greg Roth comes to Hercules with 15 years of technology investment banking experience from companies including Credit Suisse and Piper Jaffray. Prior to joining Hercules, Roth was a managing director at Merriman Curhan Ford, where he played a key role in building the technology investment banking practice.

"In addition, we expanded our team of investment professionals in both Palo Alto and Boston with the addition of Brandt, Cassidy and David," said Henriquez. "Together, they help to position Hercules as the premier venture debt and equity capital provider as we continue to establish a strong presence across the country."

Prior to joining Hercules' Palo Alto team, Roberts served as a vice president at Silicon Valley Bank in Palo Alto and Santa Clara, where he managed a software and hardware portfolio and contributed to more than 40 deals.

As an associate at Hercules in Palo Alto, Roh focuses on developing the early stage life science and technology portfolio and leveraging his previous experience as a technology investment banking analyst at Cowen and Company.

Chroust came to Hercules' Boston practice from Silicon Valley Bank, where he served as an associate in the technology lending practice and played an integral role in the structuring, negotiating and monitoring of credit facilities and warrant positions.

About Hercules Technology Growth Capital, Inc.:

Hercules Technology Growth Capital, Inc. is a NASDAQ traded specialty finance company providing debt and equity growth capital to technology and life science companies at all stages of development. Founded in December 2003, the company primarily finances privately held companies backed by leading venture capital and private equity firms. Hercules invests in a broad range of ventures active in technology and life science industries and offers a full suite of growth capital products up and down the capital structure. The company is headquartered in Palo Alto, Calif. and has additional offices in the Boston, Boulder, Los Angeles and Chicago areas. Providing capital to publicly-traded or privately-held companies backed by leading venture capital and private equity firms involves a high degree of credit risk and may result in potential losses of capital. For more information, please visit www.HTGC.com.

Companies interested in learning more about financing opportunities should contact info@HTGC.com, or call 650.289.3060.

Forward-Looking Statements:

The statements contained in this release that are not purely historical are forward-looking statements. These forward-looking statements are not guarantees of future performance and are subject to uncertainties and other factors that could cause actual results to differ materially from those expressed in the forward-looking statements including, without limitation, the risks, uncertainties and other factors we identify from time to time in our filings with the Securities and Exchange Commission. Although we believe that the assumptions on which these forward-looking statements are reasonable, any of those assumptions could prove to be inaccurate and, as a result, the forward-looking statements based on those assumptions also could be incorrect. You should not place undue reliance on these forward-looking statements. The forward-looking statements contained in this release are made as of the date hereof, and Hercules assumes no obligation to update the forward-looking statements for subsequent events.

Source: Hercules Technology Growth Capital, Inc.

Released September 17, 2007