PRESS RELEASE

Sierra Nevada Corporation Congratulates Orbital Sciences Corporation on the Successful Berthing of its Cygnus Spacecraft

SPARKS, Nev. , September 30, 2013 – Sierra Nevada Corporation (SNC) congratulates Orbital Sciences Corporation and its team of industry partners on the successful berthing of its Cygnus Spacecraft to the International Space Station (ISS). With the successful demonstration, Orbital will begin regularly servicing the ISS under the Cargo Resupply Services contract delivering thousands of pounds cargo to the ISS over the next several years.

“The berthing of Cygnus to the ISS is a celebration not only for Orbital, but for the aerospace industry,” said Mark Sirangelo, corporate vice president and head of SNC’s Space Systems. “Orbital’s success further demonstrates the positive relationships between government and industry and what can be achieved when we work cooperatively.”

About Sierra Nevada Corporation’s Space Systems

Sierra Nevada Corporation’s Space Systems business area based in Louisville, Colo., designs and manufactures advanced spacecraft, space vehicles, rocket motors and spacecraft subsystems and components for the US Government, commercial customers as well as for the international market. SNC’s Space Systems has more than 25 years of space heritage in space and has participated in over 400 successful space missions through the delivery of over 4,000 systems, subsystems and components. During its history, SNC’s Space Systems has concluded over 70 programs for NASA and over 50 other clients.

About Sierra Nevada Corporation

Sierra Nevada Corporation (SNC), headquartered in Sparks, Nev., is one of America’s fastest growing private companies based on its significant expansion and reputation for rapid, innovative, and agile technology solutions in electronics, aerospace, avionics, space, propulsion, micro-satellite, aircraft, communications systems and solar energy. Under the leadership of CEO Fatih Ozmen and President Eren Ozmen, SNC employs over 2,500 people in 30 locations in 16 states. SNC’s six unique business areas are dedicated to providing leading-edge solutions to SNC’s dynamic customer base.

SNC is also the Top Woman-Owned Federal Contractor in the United States. Over the last 30 years under the Ozmen’s leadership, 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. The company continues to focus its growth on the commercial sector through internal advancements and outside acquisitions, including the emerging markets of telemedicine, nanotechnology, cyber and net-centric operations. For more information on SNC visit and follow us on Facebook at Sierra Nevada Corporation.