Harris & Harris Group Notes Solazyme's Successful Commissioning of Integrated Renewable Oil Production Biorefinery

NEW YORK, June 29, 2012 (GLOBE NEWSWIRE) -- Harris & Harris Group, Inc. (Nasdaq:TINY), an early-stage, active investor in transformative nanotechnology companies, notes Solazyme's announcement today of the successful commissioning of its first fully integrated biorefinery (IBR) in Peoria, Illinois, to produce algal oil. Solazyme has been running routine fermentations at commercial scale since 2007 and began running fermentation operations at the Peoria facility in the fourth quarter of 2011.  With the successful production of algal oil from the integrated facility this month, Solazyme has met its start-up goals for the facility on schedule.  The demonstration/ commercial-scale plant will have a nameplate capacity of two million liters of oil annually and will provide an important platform for continued work on feedstock flexibility and scaling of new tailored oils into the marketplace.

The full press release can be viewed at http://www.marketwatch.com/story/solazyme-announces-successful-commissioning-of-integrated-renewable-oil-production-biorefinery-in-peoria-illinois-2012-06-29.

Harris & Harris Group is an investor in publicly traded Solazyme, Inc.

Detailed information about Harris & Harris Group and its holdings can be found on its website at www.HHVC.com.

This press release may contain statements of a forward-looking nature relating to future events. These forward-looking statements are subject to the inherent uncertainties in predicting future results and conditions. These statements reflect the Company's current beliefs, and a number of important factors could cause actual results to differ materially from those expressed in this press release.  Please see the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2011, as well as subsequent filings, filed with the Securities and Exchange Commission for a more detailed discussion of the risks and uncertainties associated with the Company's business, including, but not limited to, the risks and uncertainties associated with venture capital investing and other significant factors that could affect the Company's actual results. Except as otherwise required by Federal securities laws, the Company undertakes no obligation to update or revise these forward-looking statements to reflect new events or uncertainties.  The references to the websites www.HHVC.com and www.marketwatch.com have been provided as a convenience, and the information contained on such websites is not incorporated by reference into this press release. Harris & Harris Group is not responsible for the contents of third party websites.

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Released June 29, 2012