SI International Wins $11 Million Air Force Space Command SSA and C2 Modernization Contract

    RESTON, Va., July 17 /EMWNews/ -- SI International, Inc.

(Nasdaq: SINT), an information technology and network solutions (IT)

company, today announced that it has been awarded a contract to support the

Headquarters Air Force Space Command Directorate of Requirements, Space

Situational Awareness (SSA) and Command and Control (C2) Systems Division.

The contract was awarded under the Contract Advisory and Assistance

Services and Engineering and Technical Assistance (CAASETA) contract

vehicle, and has a one-year base period with a one-year option period. The

task order's value is approximately $11 million over two years, if all

options are exercised.



    SI International will provide life-cycle planning, management, and

engineering and technical assistance to Headquarters Air Force Space

Command (AFSPC) for defining, developing, fielding, testing and sustaining

their next generation Space Situational Awareness (SSA) and Command and

Control (C2) capabilities, to include space, air, and missile elements. The

Company will provide its industry-leading DoD Architecture

Framework-compliant (DoDAF-compliant) enterprise architectures which

utilizes state-of-the-art object-oriented/unified modeling language

technology.



    SI International's work under this contract will be performed at

Headquarters AFSPC, Peterson AFB, CO and at SI International's Colorado

Springs, CO campus. Since 1996, SI International has served as a technical

support contractor for the military space community, which includes Air

Force Space Command (AFSPC), and North American Aerospace Defense Command

(NORAD). In addition to SSA and C2 modernization support, SI International

provides life-cycle Systems Engineering and Technical Assistance (SETA)

support for AFSPC Space-Based Sensors Systems, Global Positioning Satellite

Systems, Satellite Communications, and Missile Defense programs.



    "We are extremely honored with our selection by the Air Force Space

Command to provide mission-critical SETA support," said Brad Antle,

President and CEO of SI International. "SI International has

industry-recognized expertise in space systems modernization, command and

control systems, military space operations and missile defense that support

the Air Force Space Command mission in defending the United States through

the control and exploitation of space."

    About SI International: SI International, a member of the Russell 2000

and S&P SmallCap 600 indices, is a provider of information technology and

network solutions (IT) primarily to the federal government. The Company

combines technology and industry expertise to provide a full spectrum of

state-of-the-practice solutions and services, from design and development

to documentation and operations, to assist clients in achieving their

missions. SI International is ranked as the 44th largest Federal Prime IT

Contractor by Washington Technology and has approximately 4,500 employees.

More information about SI International can be found at http://www.si-intl.com.



    The above-referenced statements may contain forward-looking statements

that are made pursuant to the safe-harbor provisions of the Private

Securities Litigation Reform Act of 1995. Expressions of future goals,

earnings guidance, estimated future stock option expenses and exercises,

future share repurchases and similar expressions reflecting something other

than historical fact are intended to identify forward-looking statements,

but are not the exclusive means of identifying such statements. These

forward-looking statements involve a number of risks and uncertainties,

which are described in the Company's filings with the Securities and

Exchange Commission. These risks and uncertainties include: differences

between authorized amounts and amounts received by the Company under

government contracts; government customers' failure to exercise options

under contracts; changes in federal government (or other applicable)

procurement laws, regulations, policies and budgets; the Company's ability

to attract and retain qualified personnel; and the important factors

discussed in the Risk Factors section of the annual report on Form 10-K

filed by the Company with the Securities and Exchange Commission and

available directly from the Commission at http://www.sec.gov. The actual results

may differ materially from any forward-looking statements due to such risks

and uncertainties. The Company undertakes no obligations to revise or

update any forward-looking statements in order to reflect events or

circumstances that may arise after the date of this release.








    Contact: Alan Hill

             VP, Corp. Communications

             703-234-6854

             [email protected]