Harris & Harris Group Inc.

PRESS RELEASE

HARRIS & HARRIS GROUP, INC.	JUNE 15, 2004
111 WEST 57TH STREET
NEW YORK, NEW YORK 10019
NASDAQ/NMS SYMBOL: TINY
CONTACT: CHARLES E. HARRIS
TEL. NO. (212) 582-0900

HARRIS & HARRIS GROUP FILES SUPPLEMENT TO SHELF REGISTRATION TO OFFER 2,500,000 SHARES OF COMMON STOCK

Harris & Harris Group, Inc. filed a supplementary prospectus to its shelf registration today, in which the Company proposes to offer 2,500,000 shares of its Common Stock through the underwriting firms, ThinkEquity Partners LLC, acting as lead managing underwriter, and Punk, Ziegel & Company, L.P. This communication is not an offering of any securities, which will only be made by means of a prospectus.

Harris & Harris Group is a publicly traded venture capital company that now makes initial investments exclusively in tiny technology, including nanotechnology, microsystems and microelectromechanical systems (MEMS). The Company's last 16 initial private equity investments have been in tiny-technology enabled companies. The Company has 13,798,845 common shares outstanding.

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