Hercules Technology Growth Capital to Announce First Quarter Financial Results and Quarterly Dividend

PALO ALTO, CA--April 30, 2011: Hercules Technology Growth Capital, Inc. , the leading specialty finance company devoted to addressing the capital needs of venture capital and private equity-backed technology-related companies including clean technology, life sciences, and lower middle market companies at all stages of development, announced today it has scheduled its first quarter financial results conference call for Thursday, May 5th, 2011, at 2:00 p.m. PT (5:00 p.m. ET). Hercules will release the company's financial results after market close that same day.

To listen to the call, please dial (877) 304-8957 or (408) 427-3709 approximately 10 minutes prior to the start of the call. A taped replay will be made available approximately three hours after the conclusion of the call and will remain available for seven days. To access the replay, please dial (800) 642-1687 or (706) 645-9291 and enter the passcode 60478935.

The Hercules financial results conference call will also be available via a live webcast on the investor relations section of Hercules' website at HTGC. Access the website 15 minutes prior to the start of the call to download and install any necessary audio software. An archived webcast replay will be available on the Company's website for 90 days.

About Hercules Technology Growth Capital, Inc.:

Hercules Technology Growth Capital, Inc. is a NASDAQ traded specialty finance firm providing customized loans to public and private companies in the technology, clean technology, and life science industries, at all stages of development. Since its founding in 2003, Hercules has committed over $2.1 billion in flexible financing solutions to over 155 companies, enabling these companies to maximize their equity by leveraging these assets. Hercules' strength comes from its deep understanding of credit and the industries it serves, allowing it to partner with venture capital and private equity companies for a less dilutive source of growth capital helping companies to bridge through their critical stages of growth. Hercules offers a full suite of growth capital products at all levels of the capital structure, ranging from $500,000 to $30 million, lines of credit to term loans. The company is headquartered in Palo Alto, CA and has additional offices in Massachusetts and Colorado. 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.

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