Press File

FOR IMMEDIATE RELEASE
January 9, 2006

Essex Corporation (Nasdaq: KEYW) of Columbia, MD announced that it has completed the acquisition of Performance Group, Inc. (PGI) with main offices in Fredericksburg, VA. PGI is located in Fredericksburg, VA. The purchase was completed on June 25, 2004. PGI provides services and systems in the areas of Geographic Information Systems (GIS), Imagery Processing and Analysis, Spatial Data Development, Environmental Consulting, Visualization, and IT Solutions to government and private sectors. Alpha Omega Capital Partners acted as financial consultant to PGI.

"PGI is our second acquisition of 2004, after having considered many candidate companies," commented Leonard Moodispaw, CEO and President of Essex Corporation. "After speaking with PGI's customers, we believe that PGI has excelled in providing GIS systems and support services, and has excellent opportunities for expanding their core business, particularly with the U.S. Army. By combining these capabilities with other Essex technologies and talent, I believe there is an upside potential for several GIS centered offerings in the next two years. The Essex team is now over 230 people strong."

PGI is a privately owned company with 39 full time employees and annual revenue of approximately $4.5 million in calendar year 2003. It has been profitable each year since it was founded in 1994.
Alpha Omega Capital Partners is widely recognized among the Mid Atlantic and Southeast professional communities for its skill, creativity, professionalism, confidentiality and commitment to advising, selling, or recapitalizing businesses with $1 million to $50 million in annual revenues. Headquartered in Richmond, Virginia, and formed in 1999, ALPHA OMEGA CAPITAL PARTNERS offers expertise to private business owners that is not available to them anywhere else. ALPHA OMEGA CAPITAL PARTNERS Principals have been conducting corporate Mergers, Acquisitions, Divestitures & Recapitalizations of companies since 1970.