Hercules Technology Growth Capital to Announce Fourth Quarter and Fiscal Year 2012 Financial Results and Quarterly Dividend

  Hercules Technology Growth Capital to Announce Fourth Quarter and Fiscal
  Year 2012 Financial Results and Quarterly Dividend

Business Wire

PALO ALTO, Calif. -- February 14, 2013

Hercules Technology Growth Capital, Inc. (NYSE: HTGC), the leading specialty
finance company focused on providing senior secured loans to venture
capital-backed companies in technology-related markets, including technology,
biotechnology, life science and cleantech industries, at all stages of
development, announced today it has scheduled its fourth quarter and fiscal
year 2012 financial results conference call for Thursday, February 28, 2013,
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
(855)859-2056 or (404)537-3406 and enter the passcode 93837518.

A live webcast of the fourth quarter and full year 2012 financial results
conference call will also be available on the investor relations section of
Hercules' website at www.htgc.com. 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. (NYSE: HTGC) (“Hercules”) is the
leading specialty finance company focused on providing senior secured loans to
venture capital-backed companies in technology-related markets, including
technology, biotechnology, life science and cleantech industries at all stages
of development. Since inception (December 2003), Hercules has committed more
than $3.2 billion to over 220 companies and is the lender of choice for
entrepreneurs and venture capital firms seeking growth capital financing.

Hercules’ common stock trades on the New York Stock Exchange (NYSE) under the
ticker symbol “HTGC.”

In addition, Hercules has two outstanding bond issuances of 7.00% Senior Notes
due 2019—the April 2019 Notes and September 2019 Notes—which trade on the NYSE
under the symbols “HTGZ” and “HTGY,” respectively.

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, including the uncertainties surrounding the current
market turbulence, 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 based 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.

Contact:

Hercules Technology Growth Capital, Inc.
Main, 650-289-3060 HT-HN
info@htgc.com
Sally Borg, 650.289.3066
sborg@htgc.com
or
Market Street Partners
Linda Wells, 415-445-3236
linda@marketstreetpartners.com