SpaceDev, Inc.
has appointed Susan Benson to its Board of Directors,
bringing the total number of board members to 9, five of whom are
independent directors.

Ms. Benson joined SpaceDev in 1997, serving as corporate secretary
until 2003. From approximately 1998 to 2004, Ms. Benson was, in part,
responsible for the Company’s investor relations and public relations
activities, managing SpaceDev’s strategic messaging to build industry
and media awareness as well as strengthening shareholder relations.

Prior to joining SpaceDev, Ms. Benson was the customer support
manager for Compusearch Software Systems in McLean, Virginia from 1986
through 1995. Ms. Benson also served as secretary/treasurer of the
Compusearch Software Systems Board of Directors.

Ms. Benson currently owns approximately 4.6 million shares of
SpaceDev common stock.

About SpaceDev

SpaceDev creates and sells affordable and innovative
space products and solutions to government and commercial enterprises.
SpaceDev’s innovations include the design, manufacture, marketing and
operation of sophisticated micro- and nano- satellites, hybrid
rocket-based orbital Maneuvering and orbital Transfer Vehicles as well
as sub-orbital and orbital hybrid rocket-based propulsion systems for
safe human space flight. Upon founding SpaceDev in 1997, Jim Benson
started the trend of successful computer entrepreneurs moving into the
space development arena. For more information, visit www.spacedev.com.

This news release may contain forward-looking statements
concerning the Company’s business and future prospects and other
similar statements that do not concern matters of historical fact.
Forward-looking statements relating to product development, business
prospects and development of a commercial market for technological
advances are based on the Company’s current expectations. The
Company’s current expectations are subject to all of the uncertainties
and risks customarily associated with developing business ventures
including, but not limited to, risks associated with new product
development and availability of raw resources and suppliers, risks to
marketed products and availability of financing and other sources of
income, as well as risks discussed in the Company’s periodic reports
filed with the U.S. Securities & Exchange Commission. The Company’s
actual results may differ materially from current expectations.
Readers are cautioned not to put undue reliance on forward-looking
statements contained in this release and to read it in conjunction
with the Company’s annual report on Form 10-KSB, including the
consolidated financial statements filed therewith. The Company
disclaims any intent or obligation to update publicly these
forward-looking statements, whether as a result of new information,
future events or for any other reason.