Sparks, Nevada – 3-30-09 – The newly formed Space Systems business area of Sierra Nevada Corporation (SNC) will debut at the National Space Symposium in Colorado Springs March 30th. The Space Systems business area was established in 2009 through the merger of SNC subsidiary, MicroSat Systems, and SpaceDev, which was acquired by SNC in late 2008. MicroSat Systems and SpaceDev have a combined twenty year history in space, providing hardware for over 300 Earth orbiting and interplanetary missions.

The leadership of the new Space Systems business area includes former Space Dev Chairman & CEO Mark Sirangelo serving as Corporate Vice President over the organization; John Roth, former President of MicroSat Systems as Vice President of Business Development; Jeff Summers, former MicroSat Chief Technical Officer as Vice President of Technology; and the Chief Operating Officer of Sierra Nevada Corporation, Jerry Harvey, also serving as Vice President of Programs for Space Systems.

SNC Space Systems designs and manufactures satellites, spacecraft subsystems and components, and rocket propulsion systems for defense, civil government, corporate and international customers. They also provide customers with innovative, responsive, and cost effective design options for power systems, advanced miniaturized avionics, lightweight composite structures, and human spacecraft systems.

The new organization has a workforce of over 250 employees in its 4 major locations:

* Littleton, Colorado: Small satellite design and development

* Louisville, Colorado: Spacecraft mechanical subsystems, components, deployable structures, and satellite manufacturing

* Durham, North Carolina: Spacecraft electro-mechanical components, motors and actuators

* Poway, California: Hybrid propulsion and small satellites.

SNC will exhibit at the National Space Symposium to show the combined capabilities of the new space business area and plans to host numerous customer meetings and press events.

Space Systems media contact during the National Space Symposium: Jim Voss (303) 475-1815

About Sierra Nevada Corporation Sierra Nevada Corporation (SNC) is known for its rapid, innovative, and agile technology solutions in electronics, aerospace, avionics, space, propulsion, micro-satellite, aircraft and communications systems for both the private and public sectors. Founded in 1963, SNC’s seven unique business areas employ more than 1600 people in 31 different locations in 20 states – all of whom are dedicated to providing leading-edge solutions to SNC’s dynamic customer base.

Over its 45 year history, SNC has remained focused on providing its customers the very best in diversified technologies to meet their needs and has a strong and proven track record of success. SNC has grown into one of the Top Woman-Owned Federal Contractors in the United States while maintaining its reputation for innovation and agility. The company continues to focus its growth on the commercial sector through internal advancements and outside acquisitions, including the emerging markets of telemedicine, nanotechnology, energy and net-centric operations. For more information on SNC visit www.sncorp.com