PRESS RELEASE


HARRIS & HARRIS GROUP, INC. JUNE 3, 2003
ONE ROCKEFELLER PLAZA
NEW YORK, NEW YORK 10020
NASDAQ/NMS SYMBOL: TINY
CONTACT: CHARLES E. HARRIS
TEL. NO. (212) 332-3606



NANOSYS ANNOUNCES SECOND CLOSING OF SECOND ROUND OF FINANCING


Harris & Harris Group noted today that Nanosys, Inc. (www.nanosysinc.com) has announced the second closing of its second round of financing. In total, the second round raised $38 million, of which Harris & Harris Group invested $1.5 million. Nanosys is Harris & Harris Group's largest tiny-technology investment to date.

Nanosys, Inc, is a recognized leader in nanotechnology through the development of nano-enabled systems. These systems incorporate novel and patent-protected nanostructures that integrate functional complexity directly into each individual nanoparticle, enabling the low-cost fabrication of revolutionary high-value, high-performance applications in a broad range of industries from life and physical sciences to information technology and communications to renewable energy and defense. These nanostructures include nanowires, nanorods, nanotetrapods and nanodots formed from all of the industrially important semiconductor materials (Group II-VI, III-V and IV) as their principal active elements. These systems exploit the fundamentally new and unique electronic, optical, magnetic, interface and integration properties associated with materials on the nanometer-scale. The initial applications include exquisitely sensitive chemical and biological sensors, high performance large area macroelectronics and lightweight high efficiency conformal photovoltaics.

Harris & Harris Group is a publicly traded venture capital company that now makes initial investments exclusively in tiny technology, including microsystems, microelectromechanical systems (MEMS) and nanotechnology. The Company's last 10 initial private equity investments have been in tiny-technology enabled companies.

Harris & Harris Group, Inc. is a Business Development Company with 11,498,845 common shares outstanding.

Detailed information about Harris & Harris Group, Inc. and its holdings can be found on its website at http://www.TinyTechVC.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 and recent Prospectus 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, Harris & Harris Group, Inc. undertakes no obligation to update or revise these forward-looking-statements to reflect new events or uncertainties.


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