Hercules Technology Growth Capital to Ring Opening Bell at NASDAQ on June 9, 2008

Company celebrates continued portfolio growth, realizing total warrant gains of more than $10 million since inception

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

Hercules Technology Growth Capital, Inc. (NASDAQ:HTGC), the leading 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 that Manuel A. Henriquez, co-founder, chairman and chief executive officer, will ring the NASDAQ opening bell on Monday, June 9, 2008. The bell ringing ceremony allows Hercules the opportunity to celebrate its continued growth since its Initial Public Offering in June 2005.

David Lund, chief financial officer; Parag Shah, senior managing director of life sciences, and Sam Bhaumik, senior managing director of technology, will join Mr. Henriquez at the bell ringing ceremony.

"Hercules has experienced tremendous growth during the three years that it has been a public company," said Mr. Henriquez. "We recently surpassed $1 billion in origination commitments since the founding of the company in 2003. In addition, we continue to produce valuable gains for our shareholders, as we recently announced a 13 percent increase in our dividend. Our portfolio also continues to demonstrate growth and liquidity, with five of our portfolio companies having either announced or completed liquidity events through M&A and IPO transactions so far this year. In total, Hercules has realized warrant gains of more than $10 million from portfolio company liquidity events since the company's inception."

The ceremony can be viewed live via Web cam beginning at 9:15 a.m. EDT at http://www.nasdaq.com/about/marketsitetowervideo.asx or http://investor.htgc.com/events.cfm.

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 at all levels of the capital structure. The company is headquartered in Palo Alto, Calif. and has additional offices in the Boston, Boulder, San Diego, Columbus 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.