GTSI (R) Corp. (NASDAQ: GTSI), a systems integration, solutions and services provider to government, announced today that it has scheduled its third quarter 2011 conference call for Tuesday November 15, 2011 at 11:00 AM Eastern. In addition, the Company will be announcing financial results in a press release before the market opens on Tuesday November 15th.

The call is open to all investors and can be accessed at:
      Conference call number:       800-593-9034 (Domestic)
334-323-7224 (International)
Pass code: GTSI

For those unable to listen to the live call, a replay will be available until January 14, 2012. The replay will be available by calling:
      Replay:       877-919-4059 (Domestic)
334-323-7226 (International)
Pass code: 61391114

The call will also be broadcast live via the Internet and available for replay at: www.gtsi.com, on the investor relations page.

About GTSI Corp.

GTSI (NASDAQ: GTSI) is a leading provider of technology solutions and professional services to federal, state and local governments. Founded in 1983, the company has helped meet the unique IT needs of more than 1,700 governmental agencies nationwide. GTSI professionals draw on their deep knowledge, strategic partnerships, customer service and more than 740 industry certifications to guide agencies in selecting the most cost-effective technology available. GTSI has extensive capabilities and past performance in software development, data center, networking, collaboration, security and cloud computing solutions. In addition, GTSI's advanced engineering, integration, support and financial services - and broad portfolio of contracts - ease the planning, purchasing and deployment of solutions, and facilitates the management of mission-critical IT throughout the lifecycle. Headquartered in Herndon, Va., GTSI has approximately 500 employees. For more information visit the company's website at www.gtsi.com.

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