Halifax Corp of Virginia Watch

from 8-K 6 pages Commercial Security Agreement Principal $1,500,000.00 Loan Date 06-15-2009 Maturity 06-15-2010 Loan No 52-01-000295 Call / Coll Account Officer Mtl Initials References in the Boxes Above Are for Lender’s Use Only and Do Not Limit the Applicability of This Document to Any Particular Loan or Item. Any Item Above Containing “* * *” Has Been Omitted Due to Text Length Limitations

from 8-K 7 pages Business Loan Agreement Principal $1,500,000.00 Loan Date 06-15-2009 Maturity 06-15-2010 Loan No 52-01-000295 Call / Coll Account Officer Mtl Initials References in the Boxes Above Are for Lender’s Use Only and Do Not Limit the Applicability of This Document to Any Particular Loan or Item. Any Item Above Containing “***” Has Been Omitted Due to Text Length Limitations

from 8-K 5 pages Promissory Note (Revolving Line of Credit) Important Notice

from 8-K 5 pages Promissory Note (Auxiliary Revolver Facility) Important Notice

from 8-K 7 pages 7799 Leesburg Pike North Tower, Suite 900 Falls Church, Va 22043 June 28, 2007 Mr. Joseph Sciacca Vice President, Finance & CFO Halifax Corporation 5250 Cherokee Avenue Alexandria, Va 22312 Dear Mr. Sciacca: It Is My Pleasure to Inform You That Provident Bank Has Approved the Renewal of the $10,000,000 Line of Credit to Halifax Corporation (“Halifax”)

from 8-K 21 pages Fourth Amended and Restated Loan and Security Agreement

from 10-Q 14 pages Third Amended and Restated Loan and Security Agreement

from 10-K 16 pages Second Amended and Restated Loan and Security Agreement

from 10-Q 22 pages Amended and Restated Loan and Security Agreement

from 10-K 10 pages This Business Loan Agreement (Asset Based) Dated March 6, 2002, Is Made and Executed Between Halifax Corporation (“Borrower”) and Southern Financial Bank (“Lender”) on the Following Terms and Conditions. Borrower Has Received Prior Commercial Loans From Lender or Has Applied to Lender for a Commercial Loan or Loans or Other Financial Accommodations, Including Those Which May Be Described on Any Exhibit or Schedule Attached to This Agreement (“Loan”). Borrower Understands and Agrees That: (A) in Granting, Renewing, or Extending Any Loan, Lender Is Relying Upon Borrower’s Representations, Warranties, and Agreements as Set Forth in This Agreement, and (B) All Such Loans Shall Be and Remain Subject to the Terms and Conditions of This Agreement

from 10-K ~5 pages Third Amendment to the Sixth Amended and Restated Loan

from 10-K405 ~50 pages Sixth Amend. & Restated Loan & Security Agreement