Harris & Harris Group Announces Venture Debt Investment in Nano-Terra

NEW YORK, Feb. 24, 2011 (GLOBE NEWSWIRE) -- Harris & Harris Group, Inc. (Nasdaq:TINY), announced today it closed a venture debt investment of $750,000 in Nano-Terra, Inc. It received warrants as part of this venture debt financing. This investment is part of Harris & Harris Group's efforts to expand its core venture capital investments in equity of privately held and publicly traded small companies with debt securities that provide predictable cash flows and timelines for returns on investment. In addition to providing venture debt financing, Harris & Harris Group continues to make equity-based venture capital investments in companies developing and integrating products enabled by nanotechnology and microsystems.

Nano Terra is a nano- and micro-technology development company headquartered in Brighton, MA. It seeks to develop long-term collaborations with its customers that build new business value by applying its interdisciplinary expertise, nano- and micro-technology toolset and knowhow to commercial problems. More information on Nano-Terra is available on its website at www.nanoterra.com.

Harris & Harris Group is a publicly traded venture capital company that invests in nanotechnology and microsystems.  Detailed information about Harris & Harris Group and its holdings can be found on its website at www.HHVC.com.

CONTACT: Daniel B. Wolfe
         (212) 582-0900

Released February 24, 2011