Hercules Technology Growth Capital, Inc. Raises Approximately $33.6 Million in Proceeds in a Public Offering

PALO ALTO, Calif.--(BUSINESS WIRE)-- Hercules Technology Growth Capital, Inc. (NYSE: HTGC) ("Hercules") announced the closing of its public offering. The underwriter purchased 3,100,000 shares of common stock from Hercules in a bought deal for a price of $10.85 per share, above its last published net asset value of $9.54 per share, resulting in proceeds of $33,635,000 excluding other offering expenses. The last reported sales price of Hercules' common stock on September 27, 2012 prior to the sale of its shares of common stock was $11.42 per share.

Hercules expects to use the net proceeds from this offering to fund investments in debt and equity securities in accordance with its investment objective and for other general corporate purposes.

Credit Suisse is the sole underwriter of this offering.

The securities described above were offered by Hercules pursuant to an effective shelf registration statement. The offering may be made only by means of a prospectus supplement and the accompanying prospectus, copies of which may be obtained from Credit Suisse Prospectus Department, One Madison Avenue, New York, NY 10010; telephone number: 1-800-221-1037; email: newyork.prospectus@credit-suisse.com.

Investors are advised to carefully consider the investment objectives, risks, and charges and expenses of Hercules before investing. The prospectus, which has been filed with the Securities and Exchange Commission, contains this and other information about Hercules and should be read carefully before investing.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of, the shares in any state or other jurisdiction in which such offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction.

About Hercules Technology Growth Capital, Inc.:

Hercules Technology Growth Capital, Inc. (NYSE: HTGC) (“Hercules”), is a leading specialty finance firm providing loans to technology-related companies at all stages of development including technology, life science, and clean-tech industries. Since inception (December 2003), Hercules has committed more than $3.0 billion to over 210 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, which trade on the NYSE under the symbol "HTGZ" and “HTGY,” respectively.

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.

Hercules Technology Growth Capital, Inc.
Main, 650-289-3060 HT-HN
info@htgc.com
or
Sally Borg, 650-289-3066
sborg@htgc.com
or
Market Street Partners
Linda Wells, 415-445-3236
lwells@marketstreetpartners.com

Source: Hercules Technology Growth Capital, Inc.

Released October 3, 2012