Exhibit 99.1
 
 SRA Contact:
    
    Providence Equity Contacts:Sheila S. Blackwell
    
    Andrew Cole/Jonathan DoorleyCommunications & Public Affairs
    
    Sard Verbinnen & Co703.227.8345
    
    212.687.8080sheila_blackwell@sra.com
    
    acole@sardverb.comjdoorley@sardverb.com
 Providence Equity Partners Completes Acquisition of SRA International
 
    
    SRA shareholders to receive $31.25 per share in cash
    
    Transaction valued at $1.88 billion
    
    SRA becomes a privately held company
 FAIRFAX, Va. and PROVIDENCE, R.I., July 20, 2011




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About SRA International, Inc.
  www.sra.com
 About Providence Equity Partners
 www.provequity.com
 Forward-Looking
Statements
 Any statements in this report about future expectations, plans, and prospects for SRA
International, Inc. (the Company), including statements containing the words estimates,
believes, anticipates, plans, expects, will, and similar expressions, constitute
forward-looking statements within the meaning of The Private Securities Litigation Reform Act of
1995. Factors or risks that could cause the Companys actual results to differ materially from the
results the Company anticipates include, but are not limited to: (i) reduced spending levels and
changing budget priorities of the Companys largest customer, the United States federal government,
which accounts for more than 90% of the Companys revenue; (ii) failure to comply with complex laws
and regulations, including but not limited to the False Claims Act, the Federal Acquisition
Regulations, the Truth in Negotiations Act, the U.S. Government Cost Accounting Standards and the
Foreign Corrupt Practices Act; (iii) possible delays or overturning of the Companys government
contract awards due to bid protests, loss of contract revenue or diminished opportunities based on
the existence of organizational conflicts of interest or failure to perform by other companies on
which the Company depends to deliver products and services; (iv) security threats, attacks or other
disruptions on the Companys information infrastructure, and failure to comply with complex network
security and data privacy legal and contractual obligations or to protect sensitive information;
(v) inability or failure to adequately protect the Companys proprietary information or
intellectual property rights or violation of third party intellectual rights; (vi) potential for
significant economic or personal liabilities resulting from failures, errors, delays or defects
associated with products, services and systems the Company supplies; (vii) adverse changes in
federal government practices; (viii) appropriation uncertainties; (ix) price reductions, reduced
profitability or loss of market share due to intense competition, including for U.S. government
contracts or recompetes, and commoditization of services the Company offers; (x) failure of the
customer to fund a contract or exercise options to extend contacts, or the Companys inability to
successfully execute awarded contracts; (xi) any adverse results of audits and investigations
conducted by the Defense Contract Audit Agency or any of the Inspectors General for various
agencies with which the Company contracts, including, without limitation, any determination that
the




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Companys contractor management information systems or contractor internal control systems are
deficient; (xii) difficulties accurately estimating contract costs and contract performance
requirements; (xiii) challenges in attracting and retaining key personnel or high-quality
employees, particularly those with security clearances; (xiv) failure to manage acquisitions or
divestures successfully (including identifying and valuating acquisitions targets, integrating
acquired companies), losses associated with divestures or the Companys inability to effect
divestitures at attractive prices and on desired timelines; (xv) inadequate insurance coverage;
(xvi) pending litigation and any resulting sanctions, including but not limited to penalties,
compensatory damages or suspension or debarment from future government contracting and (xvii) the
effect of the announcement of the Merger on the Companys business relationships, operating results
and business generally.
 Actual results may differ materially from those indicated by such forward-looking statements. In
addition, the forward-looking statements included in this report represent the Companys views as
the date of this report. The Company anticipates that subsequent events and developments will cause
the Companys views to change. However, while the Company may elect to update these forward-looking
statements at some point in the future, the Company specifically disclaims any obligation to do so.
These forward-looking statements should not be relied upon as representing the Companys views as
of any date subsequent to date of this report.