Harris & Harris Group Notes Solazyme and Propel Fuels Collaboration

NEW YORK, Nov. 14, 2012 (GLOBE NEWSWIRE) -- Harris & Harris Group, Inc. (Nasdaq:TINY), an early-stage, active investor in transformative nanotechnology companies, notes that Solazyme, Inc., and Propel Fuels announced the arrival of algae-derived fuel to retail pumps. The two renewable fuel brands will offer Solazyme's algae-based Soladiesel®BD to drivers through Propel's Bay Area network of retail renewable fuel locations. The month-long pilot program provides the opportunity to test consumer response to this advanced renewable fuel.

Solazyme's algae-based SoladieselBD meets or exceeds ASTM quality specifications and has shown performance enhancements over standard diesel fuel including cold temperature operating performance. SoladieselBD is compatible with existing diesel engines, and the fuel's performance will be guaranteed by Propel. The fuel will be sold at the same price as conventional diesel fuels and will be available exclusively at Propel's Clean Fuel Points in Redwood City, San Jose, Berkeley and Oakland, CA. Solazyme's press release can be viewed at http://solazyme.com/media/2012-11-13.

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.solazyme.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 November 14, 2012