Harris & Harris Group Inc.

PRESS RELEASE

HARRIS & HARRIS GROUP, INC.	MARCH 4, 2003
ONE ROCKEFELLER PLAZA
NEW YORK, NEW YORK 10020
NASDAQ/NMS SYMBOL: TINY
CONTACT: MEL P. MELSHEIMER
TEL. NO. (212) 332-3614

HARRIS & HARRIS GROUP NOTES NEOPHOTONICS' ACQUISITION OF LIGHTWAVE MICROSYSTEMS

Harris & Harris Group, Inc. noted today the announcement by NeoPhotonics Corporation (www.neophotonics.com) that it has acquired Lightwave Microsystems of San Jose, California. As stated in the February 28, 2002 NeoPhotonics press release, Lightwave's product portfolio consists of standard and specialized integrated circuits for advanced optical communications systems. Harris & Harris Group invested $1,000,000 in privately held NeoPhotonics in March 2002.

Harris & Harris Group is a publicly traded venture capital company. The Company's last nine 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. Statements contained in this press release that are forward looking statements are intended to be made pursuant to the Safe Harbor Provisions for the Private Securities Litigation Reform Act of 1995. 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.