GTSI to Hold Investor Conference Call on August 5, 2010

HERNDON, Va.--(BUSINESS WIRE)--GTSI (R) Corp. (NASDAQ: GTSI), an enterprise IT infrastructure solutions and services provider to government, today announced that it will host an investor conference call on August 5, 2010 at 10:00 am Eastern. In addition, the Company will be announcing financial results in a press release before the market opens on that day.

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 August 15, 2010. The replay will be available by calling:
	Replay:	877-919-4059 (Domestic)
		334-323-7226 (International)
	Pass code:	94039349

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 Corp. provides a Technology Lifecycle Management (TLM) approach to IT infrastructure solutions delivered through industry-leading professional and financial services. GTSI employs a proactive, strategic methodology that streamlines technology lifecycle management, from initial assessment to acquisition, implementation, refresh, and disposal. TLM allows customers to implement solutions quickly and cost-effectively. GTSI’s certified engineers and project managers leverage strategic partnerships with technology innovators. These experts use proven, repeatable processes to design, deploy, manage, and support simple to complex solutions, to meet client’s current and future requirements and business objectives. GTSI is headquartered in Northern Virginia, outside of Washington, D.C. and was named as one of “Best Places to Work” in 2009. Further information about the Company is available at www.GTSI.com/About.