Document:

ESCROW
      AGREEMENT

    (General
      Indemnity Escrow)

    

    ESCROW
      AGREEMENT (“Agreement”),
      dated
      as of January 19, 2007, by and among (a) Fortress America Acquisition
      Corporation, a Delaware corporation ("FAAC"); (b) VTC, L.L.C., a Maryland
      limited liability company (“VTC”); (c) Vortech, LLC, a Maryland limited
      liability company (“Vortech”); (d) Thomas P. Rosato (“Rosato”) and Gerard J.
      Gallagher (“Gallagher” who together with Rosato own or control all of the
      outstanding membership interests of both VTC and Vortech (each a “Member” and
      jointly the “Members”); (e) Thomas P. Rosato in his capacity as the Members’
Representative; and (f) SunTrust Bank, a Georgia banking corporation (the
“Escrow
      Agent”).

     

    RECITALS:

     

    WHEREAS,
      pursuant to that certain Second Amended and Restated Membership Interest
      Purchase Agreement dated as of July 31, 2006, as amended by by an Amendment
      To
      The Second Amended and Restated Membership Interest Purchase Agreement dated
      January 16, 2007 copies of which without schedules or exhibits are attached
      hereto as Exhibit
      1
      (“Membership
      Interest Purchase Agreement”),
      that
      are hereby incorporated by reference, FAAC will acquire all of the outstanding
      membership interests of each VTC and Vortech; 

     

    WHEREAS,
      pursuant to Section 2.6 of the Membership Interest Purchase Agreement, the
      Members designated Thomas P. Rosato as their representative, agent and
      attorney-in-fact for purposes of this Agreement and other various matters
      described therein (the “Members’
      Representative”);

    

    WHEREAS,
      as partial consideration for their respective membership interests in VTC and
      Vortech, each of the Members has received from FAAC pursuant to the terms of
      the
      Membership Interest Purchase Agreement and Stock Acquistion Agreements, copies
      of which (without schedules or exhibits) are attached as Exhibit
      2
      (jointly
      the “Stock
      Purchase Agreements”)
      in the
      aggregate 2,534,988 shares of FAAC common stock of which 2,461,728 shares are
      hereby delivered by FAAC and the Members to the Escrow Agent (the “Escrow
      Deposit”)
      to
      hold in escrow pursuant to ther terms of this Agreement;

    

    WHEREAS,
      the parties desire to specify and clarify their rights and responsibilities
      with
      respect to the Escrow Deposit; and

     

    WHEREAS,
      the Escrow Agent is willing to serve in such capacity, but only pursuant to
      the
      terms and conditions of this Agreement.

     

    NOW,
      THEREFORE, in consideration of the mutual promises contained herein, the parties
      hereto agree as follows:

     

    1. Definitions.
      

     

    1.1. As
      used
      in this Agreement, the following terms shall have the meanings set forth
      below:

     

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

    

     

    “Agreed
      Share Value”
has
      the
      meaning set forth in Section 5.3.

    

    “Agreement”
means
      this Escrow Agreement.

    

    “Business
      Day”
shall
      mean any day other than a Saturday, Sunday, or any Federal or Commonwealth
      of
      Virginia holiday. If any period expires on a day that is not a Business Day
      or
      any event or condition is required by the terms of this Agreement to occur
      or be
      fulfilled on a day that is not a Business Day, such period shall expire or
      such
      event or condition shall occur or be fulfilled, as the case may be, on the
      next
      succeeding Business Day.

     

    “Escrow
      Account”
has
      the
      meaning set forth in Section 4.1.

    

    “Escrow
      Agent”
has
      the
      meaning set forth in the Preamble.

    

    “Escrow
      Property”
has
      the
      meaning set forth in Section 4.1.

    

    “Escrow
      Deposit”
has
      the
      meaning set forth in the Recitals.

    

    "Final
      Determination"
      has the
      meaning set forth in Section 5.1(b).

    

    “FAAC”
has
      the
      meaning set forth in the Preamble.

    

    "Indemnity
      Claim"
      has the
      meaning set forth in Section 5.2.

    

    "Indemnity
      Claim Notice"
      has the
      meaning set forth in Section 5.2.

    

    “Members”
has
      the
      meaning set forth in the Preamble.

    

    “Members’
      Representative”
has
      the
      meaning set forth in the Recitals.

    

    “Membership
      Interest Purchase Agreement”
has
      the
      meaning set forth in the Recitals.

    

    1.2. Capitalized
      terms used but not defined in this Agreement have the meanings ascribed to
      such
      terms in the Membership Interest Purchase Agreement.

     

    2. Appointment
      of Escrow Agent.
      FAAC,
      the Members, and the Members’ Representative hereby appoint the Escrow Agent to
      act as an escrow agent as provided herein, and the Escrow Agent hereby accepts
      such appointment.

     

    
      
        
        

      

      
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    3. Members’
      Representative.

     

    3.1. The
      parties acknowledge that, pursuant to the Membership Interest Purchase
      Agreement, the Members’ Representative is authorized to act as the agent and
      attorney-in-fact on behalf of all of the Members in all matters necessary to
      carry out the terms and conditions of this Agreement.

     

    3.2. The
      Members’ Representative represents and warrants to the Escrow Agent that he has
      the irrevocable right, power and authority with respect to all of the Members
      (a) to give and receive directions and notices hereunder, (b) to make all
      determinations that may be required or that he deems appropriate under this
      Agreement, and (c) to execute and deliver all documents that may be required
      or
      that he deems appropriate under this Agreement. The Escrow Agent may act upon
      the directions, instructions and notices of the Members’ Representative named
      above and thereafter upon the directions and instructions of the successor
      Members’ Representative named in a writing executed by a majority-in-interest of
      the Members (pursuant to the provisions of Section 2.6 of the Membership
      Interest Purchase Agreement) filed with the Escrow Agent.

     

    4. Delivery
      of Escrow Deposit.

     

    4.1. FAAC
      acknowledges that it deposited the Escrow Deposit in an account (the
“Escrow
      Account”)
      with
      the Escrow Agent. The FAAC common stock in the Escrow Account, together with
      any
      dividends (and any interest or other net income received from or earned thereon)
      is hereinafter collectively referred to as the “Escrow
      Property.”
      

     

    4.2. If,
      during the term of this Agreement, there is Escrow Property other than the
      FAAC
      common shares, the Escrow Agent will invest the Escrow Property (other than
      the
      FAAC common stock) as provided in Section 11.

     

    5. Disbursement
      of the Escrow Property.
      The
      Escrow Agent will hold the Escrow Property and, subject to the Escrow Agent’s
      right in Section 9 to withhold disbursements when the Escrow Agent is uncertain
      as to what action to take, make disbursements therefrom as follows.

     

    5.1. Escrow
      Agent shall disburse all or a portion of the Escrow Property on deposit in
      the
      Escrow Account to FAAC, the Members or both, as the case may be, upon receipt
      of:

     

    (a) one
      or
      more fully executed Payment Request Forms in substantially the form attached
      hereto as Exhibit
      3,
      executed by FAAC and the Members' Representative on behalf of the Members,
      and
      otherwise pursuant to the terms hereof. Upon receipt of a Payment Request Form,
      the shares and amounts specified therein shall be promptly delivered or paid
      directly to the party or parties entitled to payment as specified in the Payment
      Request Form; or

     

    
      
        
        

      

      
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    (b) a
      copy of
      a Final Determination (as defined below) establishing a party's right to the
      Escrow Property. A "Final
      Determination"
      shall
      mean (i) with respect to an Indemnity Claim (or any other dispute between the
      Members’ Representative and FAAC with respect to whether either party is
      entitled to some portion, or all of the Escrow Property), a final determination
      stating that it is being provided under the procedures of Section 11.11 of
      the
      Membership Interest Purchase Agreement; or (ii) otherwise a final judgment
      of an
      arbitrator, arbitration panel or court of competent jurisdiction and shall
      in
      all cases be accompanied by a certificate of the presenting party to the effect
      that such judgment is a final judgment of an arbitrator, arbitration panel
      or
      court of competent jurisdiction, as applicable, and indicating the party,
      address, accounts or other information as necessary to process
      payments.

     

    5.2. If
      FAAC
      asserts in good faith a claim (an “Indemnity
      Claim”)
      against the Members pursuant to the Membership Interest Purchase Agreement,
      FAAC
      shall send written notice of such Indemnity Claim (an “Indemnity
      Claim Notice”)
      to the
      Escrow Agent and to the Members’ Representative. Such Indemnity Claim Notice
      shall set forth in reasonable detail the basis for such Indemnity Claim and
      a
      good faith, non-binding estimate of the amount of such Indemnity Claim. In
      submitting such Indemnity Claim to the Escrow Agent, FAAC shall account for
      any
      applicable threshold, exclusion or cap provided for in the Membership Interest
      Purchase Agreement. Whenever FAAC sends such an Indemnity Claim Notice, the
      parties shall comply with the procedures set forth herein.

     

    (a) If
      the
      Members’ Representative decides, in his sole and absolute discretion, to dispute
      the Indemnity Claim described in the Indemnity Claim Notice, the Members’
Representative shall, on or before the twentieth (20th)
      Business Day following the Escrow Agent’s receipt of such notice, send to the
      Escrow Agent and FAAC a written objection to such Indemnity Claim.

     

    (b) If
      the
      Escrow Agent receives from the Members’ Representative a written objection to
      such Indemnity Claim on or before the twentieth (20th)
      Business Day following the Escrow Agent’s receipt of the Indemnity Claim Notice
      describing such Indemnity Claim, and if that Indemnity Claim cannot be settled
      through negotiation within twenty (20) days of receipt of the written objection,
      then the dispute shall be resolved in accordance with Section 11.11 of the
      Membership Interest Purchase Agreement and Escrow Agent shall hold the funds
      subject to such dispute until a Final Determination is delivered with respect
      thereto.

     

    (c) If
      the
      Escrow Agent does not receive from the Members’ Representative a written
      objection to such Indemnity Claim Notice on or before the twentieth
      (20th)
      Business Day following the Escrow Agent’s receipt of the Indemnity Claim Notice
      describing such Indemnity Claim, then the Escrow Agent shall make a disbursement
      to FAAC from the Escrow Property in the amount of the Indemnity Claim described
      in such Indemnity Claim Notice. 

     

    5.3. To
      the
      extent that a Payment Request Form, Final Determination, or Indemnity Claim
      (made and not timely answered pursuant to Section 5.2(c) above) specifies a
      dollar amount (rather than a share amount) payable thereunder or in satisfaction
      thereof, the amount specified or claimed shall be satisfied by the delivery
      from
      the Escrow Property to FAAC or the Members’ Representative, as the case may be,
      of certificates for FAAC common stock equal in value to the amount specified
      or
      claimed (with the FAAC common stock valued at Five and 46/100 Dollars ($5.46)
      per share (the “Agreed
      Share Value”)
      

     

    
      
        
        

      

      
        4

        
          

        

      

      
        
        

      

    

    

     

    6. Payments
      from the Escrow Property.

     

    6.1. The
      Escrow Agent shall make no payments from the Escrow Property unless permitted
      pursuant to Sections 5, 7, 9, 10 and 13. 

     

    6.2. Any
      cash
      amounts payable by the Escrow Agent under this Agreement shall be paid by bank
      check or by wire transfer, as specified in the Payment Request Form or Final
      Determination received by the Escrow Agent.

     

    6.3. Any
      amounts payable in FAAC common stock under this Agreement shall be payable
      by
      the delivery of stock certificates for FAAC common stock valued at the Agreed
      Share Value. To the extent that the number of shares deliverable by the Escrow
      Agent does not correspond with stock certificates then held by the Escrow Agent,
      the Escrow Agent shall deliver to FAAC one or more share certificates evidencing
      shares in excess of the number of FAAC common shares then deliverable with
      instructions to FAAC (i) to retain and cancel a specified number of shares
      (if
      shares are deliverable to FAAC hereunder) or issue to the Members’
Representative, or to whomever the Members’ Representative directs FAAC (if
      shares are deliverable to the Members’ Representative hereunder), a certificate
      or certificates for FAAC common shares in the amount deliverable by the Escrow
      Agent to FAAC or the Members’ Representative as applicable and (ii) to issue to
      the Escrow Agent a certificate for the residual balance, if any, of those FAAC
      common shares evidenced the share certificate(s) delivered by the Escrow Agent
      to FAAC.

     

    6.4. All
      interest and other income, if any, received from or earned on the Escrow
      Property net of distributions paid or to be paid pursuant to Section 7.3
      (“Earnings”) shall be applied first to pay any Escrow Fees then due under
      Section 13, with any remaining Earnings to become a part of the Escrow Property
      and be paid in accordance with the other terms of this Agreement. 

     

    6.5. The
      parties hereto (other than the Escrow Agent) each warrant to and agree with
      the
      Escrow Agent that, unless otherwise expressly set forth in this Agreement,
      there
      is no security interest in the Escrow Property or any part of the Escrow
      Property; no financing statement under the Uniform Commercial Code of any
      jurisdiction is on file in any jurisdiction claiming a security interest in
      or
      describing, whether specifically or generally, the Escrow Property or any part
      of the Escrow Property. Notwithstanding anything to the contrary herein
      provided, the Escrow Agent shall in no event be deemed to be a collateral agent
      or agent for any pledge or purported pledge of property held under this
      Agreement. The Escrow Agent makes no representation concerning whether or not
      any security interest exists with respect to any property held under the terms
      of this Agreement and the Escrow Agent shall have no duty or obligation with
      respect to the creation, perfection or continuation of any such security
      interest, it being understood that the duties of the Escrow Agent with respect
      to any property held pursuant to this Agreement are limited and confined
      exclusively to the duties and responsibilities expressly set forth herein.
      This
      Agreement shall not be deemed or construed to be a security agreement or to
      grant a security interest in any property held in escrow hereunder.

     

    
      
        
        

      

      
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    7. Tax
      Matters.

     

    7.1. The
      parties agree that the Escrow Property is intended to consist only of FAAC
      common shares and that no taxable income is anticipated. Notwithstanding the
      previous sentence, for tax reporting purposes in each calendar year (other
      than
      the calendar year in which this Agreement is terminated pursuant to Section
      14
      below), all interest or other income earned from the investment of the Escrow
      Property together with all fees and expenses pursuant to Section 13 below (or
      that may otherwise be taken into consideration for purposes of calculating
      and
      reporting taxes due on earnings with respect to the Escrow Account and Funds)
      shall be allocable to FAAC and so reported to the Internal Revenue Service
      and
      any other applicable taxing authority, except to the extent that any law or
      regulation should otherwise require, as provided in a written notice from FAAC
      to the Escrow Agent. Notwithstanding anything to the contrary contained herein,
      for the calendar year during which this Agreement is terminated pursuant to
      Section 14 below, all income, fees and expenses shall be allocated pro rata
      to
      the persons receiving payments of the Escrow Property during that
      year.

     

    7.2. Each
      of
      the parties agrees to provide the Escrow Agent with a certified tax
      identification number by signing and returning a Form W-9 (or Form W-8, in
      the
      case of non-U.S. persons) to the Escrow Agent within 30 days from the date
      hereof. The parties understand that, in the event their tax identification
      numbers are not certified to the Escrow Agent, the Internal Revenue Code may
      require withholding of a portion of any interest or other income earned on
      the
      investment of the Escrow Property, in accordance with the Internal Revenue
      Code,
      as amended from time to time.

     

    7.3. The
      Escrow Agent shall distribute quarterly to FAAC amounts when and in the amounts
      requested in writing in good faith by FAAC to cover the potential federal,
      state
      or local tax obligations of FAAC on account of the cumulative allocation to
      FAAC
      of taxable income attributable to the interest and other income earned on the
      Escrow Property. Such distributions shall be requested and made with respect
      to
      each quarter as early as fifteen (15) days prior to the date that United States
      taxpayers are required to make estimated federal tax payments with respect
      to
      such quarter. For purposes of the foregoing, such federal, state and local
      tax
      obligations of FAAC initially shall be assumed to equal an effective combined
      federal and state income tax rate equal to forty-two percent (42%) (but in
      no
      event lower than the highest Federal marginal income tax rate plus seven percent
      (7%)).

     

    7.4. The
      Escrow Agent shall report to the Internal Revenue Service, as of each calendar
      year-end, all income earned from the Escrow Property, whether or not such income
      has been distributed during such year, as and to the extent required by law;
      and, the Escrow Agent shall prepare and file any tax returns required to be
      filed with respect to the Escrow Account.

     

    7.5. The
      persons to whom income is allocable for each year shall pay all taxes payable
      on
      income earned from the investment of the Escrow Property, whether or not the
      Escrow Agent distributed the income during any particular year.

     

    
      
        
        

      

      
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    8. Escrow
      Agent’s Duties.
      

     

    8.1. The
      Escrow Agent’s duties are entirely ministerial and not discretionary, and the
      Escrow Agent will be under no duty or obligation to give any notice, or to
      do or
      to omit the doing of any action with respect to the Escrow Property, except
      to
      give notice, make disbursements and invest the Escrow Property in accordance
      with the terms of this Agreement.

     

    8.2. The
      Escrow Agent will neither be responsible for, nor chargeable with, knowledge
      of
      the terms and conditions of any other agreement, instrument or document among
      the other parties hereto, in connection herewith, including the Membership
      Interest Purchase Agreement, and will be required to act only pursuant to the
      terms and provisions of this Agreement. This Agreement sets forth all matters
      pertinent to the escrow contemplated hereunder, and no additional obligations
      of
      the Escrow Agent will be inferred from the terms of this Agreement, the
      Membership Interest Purchase Agreement or any other agreement.

     

    8.3. The
      Escrow Agent will not be liable for any error in judgment or any act or steps
      taken or permitted to be taken in good faith, or for any mistake of law or
      fact,
      or for anything it may do or refrain from doing in connection with this
      Agreement, except for its own willful misconduct or gross negligence. As to
      any
      legal questions arising in connection with the administration of this Agreement,
      the Escrow Agent may consult with and rely absolutely upon the opinions given
      to
      it by counsel (including internal counsel) and shall be free of liability for
      acting in reliance on such opinions. In no event shall the Escrow Agent be
      liable for incidental, indirect, special, consequential or punitive damages.
      

     

    8.4. The
      Escrow Agent will not be required in any way to determine the validity,
      genuineness, authenticity or sufficiency, whether in form or substance, of
      any
      instrument, document, certificate, statement or notice referred to in this
      Agreement or contemplated by this Agreement, or the identity or authority of
      the
      persons executing it, and it will be sufficient if any writing purporting to
      be
      such instrument, document, certificate, statement or notice is delivered to
      the
      Escrow Agent and purports to be correct in form and signed or otherwise executed
      by the party or parties required to sign or execute it under this Agreement.
      The
      Escrow Agent reserves the right, but shall in no way be obligated, to call
      upon
      the parties, or any of them, for written instructions before taking any actions
      hereunder.

     

    8.5. During
      the term of this Agreement, the Escrow Agent shall not exercise on its own
      behalf any right of set-off against, or enforce any lien on, the Escrow
      Property, except such right or lien as may arise in connection with this
      Agreement.

     

    8.6. The
      parties to this Agreement agree to make modifications to this Section upon
      the
      reasonable request of the Escrow Agent.

     

    8.7. In
      the
      event of a shareholder vote, the Escrow Agent shall have the right to exercise
      all voting rights with respect to the FAAC common stock held by the Escrow
      Agent
      as part of the Escrow Property; provided, however, that the Escrow Agent shall
      have no discretion as to voting the shares of FAAC common stock except in a
      fashion that is in all respects proportional to the manner in which the FAAC
      common stock not held as part of the Escrowed Property is voted (as certified
      by
      FAAC’s Secretary). FAAC, Rosato, Gallagher and the Members’ Representative each
      hereby (i) instruct the Escrow Agent to vote all of the FAAC common shares
      held
      as Escrow Property in the manner described in this Section 8.7 and (ii) agree
      that the Escrow Agent shall have no liability with respect to voting the FAAC
      common stock held as Escrow Property in the manner described in this Section
      8.7. This Section 8.7 shall constitute an irrevocable proxy, coupled with an
      interest, with respect to any shares of FAAC common stock (or other FAAC
      securities) that Escrow Agent holds pursuant to this Agreement.

     

    
      
        
        

      

      
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    9. Disputes.

     

    9.1. It
      is
      understood and agreed that should any dispute arise with respect to the payment
      and/or ownership or right of possession of the Escrow Property, or should the
      Escrow Agent be uncertain as to what action to take with respect to the Escrow
      Property, the Escrow Agent is authorized and directed to retain in its
      possession, without liability to anyone, all or any part of the Escrow Property
      until such dispute or uncertainty shall have been settled either by mutual
      agreement by the parties concerned (as evidenced by a written agreement among
      them) or by a Final Determination.

     

    9.2. If
      the
      Escrow Agent becomes involved in litigation by reason of this Agreement, or
      if
      the Escrow Agent reasonably believes, in its sole discretion, that it may become
      involved in litigation, the Escrow Agent is authorized to institute a bill
      of
      interpleader in a court in the Commonwealth of Virginia to determine the rights
      of the parties and to deposit the Escrow Property with the court in accordance
      with the Commonwealth of Virginia law. Upon deposit of the Escrow Property
      with
      the court, the Escrow Agent shall stand fully relieved and discharged of any
      further duties as Escrow Agent. The filing of any such legal proceedings shall
      not deprive the Escrow Agent of its compensation hereunder earned prior to
      such
      filing and discharge of the Escrow Agent of its duties hereunder.

     

    9.3. If
      a bill
      of interpleader is instituted, or if the Escrow Agent is threatened with
      litigation or becomes involved in litigation in any manner whichever on account
      of this Agreement or the Escrow Property, FAAC and the Members, jointly and
      severally, shall pay the Escrow Agent its reasonable attorneys’ fees and any
      other disbursements, expenses, losses, costs and damages incurred by the Escrow
      Agent in connection with or resulting from such threatened or actual litigation.
      All costs and expenses of such dispute will be charged to the non-prevailing
      party in such dispute, unless such non-prevailing party is a third party, in
      which case the Escrow Agent’s costs and expenses will be charged to and paid out
      of the Escrow Property, and to the extent the Escrow Property are insufficient,
      will be charged equally to FAAC and the Members.

     

    9.4. In
      the
      event that the Escrow Agent proposes to disburse to the Members any portion
      of
      the Escrow Property, the disbursement of which the Escrow Agent had previously
      withheld pursuant to this Section, the Escrow Agent shall disburse such amount
      to the Member’s Representative.

     

    
      
        
        

      

      
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    10. Indemnity.
      FAAC
      and the Members jointly and severally agree to hold the Escrow Agent harmless
      and to indemnify the Escrow Agent against any loss, liability, expenses
      (including reasonable attorney’s fees and expenses), claim, or demand arising
      out of or in connection with the performance of its obligations in accordance
      with the provisions of this Agreement, except for willful misconduct or gross
      negligence of the Escrow Agent. Notwithstanding anything in this Agreement
      to
      the contrary, the Escrow Agent shall be entitled to set-off against the Escrow
      Property and apply such set-off to payment of such fees and disbursements and
      other liabilities and obligations hereunder. Upon the written request of the
      Escrow Agent, FAAC and the Members jointly and severally agree to assume the
      investigation and defense of any such claim, including the employment of counsel
      acceptable to the Escrow Agent and the payment of all expenses related thereto
      and, notwithstanding any such assumption, the Escrow Agent shall have the right,
      and FAAC and the Members jointly and severally agree to pay the cost and expense
      thereof, to employ separate counsel with respect to any such claim and
      participate in the investigation and defense thereof in the event that the
      Escrow Agent shall have been advised by counsel that there may be one or more
      legal defenses available to the Escrow Agent which are different from or in
      addition to those available to FAAC or the Members. FAAC and the Members agree
      that all references in this Section to the Escrow Agent shall be deemed to
      include references to its directors, officers, employees and agents. The
      foregoing indemnities in this paragraph shall survive the resignation or removal
      of the Escrow Agent or the termination of this Agreement.

     

    11. Investment.

     

    11.1. As
      used
      in this Section, “Eligible
      Investments”
include
      one or more of the following obligations or securities, but only to the extent
      that such obligations or securities mature within thirty (30) calendar days
      or
      such longer time as the Members’ Representative and FAAC shall determine, such
      longer maturities not to exceed eighteen (18) months from the Closing Date:
      (a)
      direct obligations of, or obligations fully guaranteed by, the United States
      of
      America or any agency thereof, and (b) money market funds investing primarily
      in
      the obligations or securities listed in clause (a) above or repurchase
      agreements fully collateralized by direct obligations of the United States
      of
      America. 

     

    11.2. The
      Escrow Agent will invest the Escrow Property in such Eligible Investments as
      the
      Members’ Representative and FAAC, from time to time, shall jointly instruct the
      Escrow Agent in writing. Notwithstanding the foregoing, in no event shall the
      FAAC common stock held as part of the Escrow Property be invested. Earnings
      upon
      Eligible Investments shall be deemed part of the Escrow Property, shall be
      deposited in the Escrow Account and shall be disbursed in accordance with the
      terms of this Agreement. Any loss or expense incurred from an Eligible
      Investment shall be borne by the Escrow Property. The Escrow Agent shall have
      no
      responsibility or liability for any diminution which may result from any
      investments or reinvestments made in accordance with this
      Agreement.

     

    11.3. The
      parties acknowledge and agree that the Escrow Agent will not provide
      supervision, recommendations or advice relative to either the investment of
      the
      Escrow Property or the purchase, sale, retention or other disposition of any
      Eligible Investment.

     

    11.4. The
      Escrow Agent is hereby authorized to execute purchases and sales of Eligible
      Investments through its own trading or capital markets operations. The Escrow
      Agent shall send statements to FAAC and the Members’ Representative reflecting
      activity for the Escrow Account for the preceding quarter within fifteen (15)
      days after the last day of each calendar quarter. Although the parties
      acknowledge that they may obtain a broker confirmation or written statement
      containing comparable information at no additional cost, each party hereby
      agrees that confirmations of Eligible Investments are not required to be issued
      by the Escrow Agent for each period in which a statement is
      provided.

     

    
      
        
        

      

      
        9

        
          

        

      

      
        
        

      

    

    

     

    12. Resignation.

     

    12.1. The
      Escrow Agent may resign upon thirty (30) calendar days’ prior written notice to
      the Members’ Representative and FAAC, and, upon joint instructions from the
      Members’ Representative and FAAC, will deliver the Escrow Property to any
      designated substitute Escrow Agent selected by the Members’ Representative and
      FAAC. If the Members’ Representative and FAAC fail to designate a substitute
      Escrow Agent within 15 calendar days after receipt of such notice, the Escrow
      Agent may, at its sole discretion, institute a bill of interpleader as
      contemplated by Section 9 above for the purpose of having an appropriate court
      designate a substitute Escrow Agent. The Escrow Agent shall have no
      responsibility for the appointment of a successor Escrow Agent hereunder.

     

    12.2. Any
      company into which the Escrow Agent may be merged or converted or with which
      it
      may be consolidated, or any company resulting from any merger, conversion or
      consolidation to which it shall be a party, or any company to which the Escrow
      Agent may sell or transfer all or substantially all of its corporate trust
      business shall be the successor to the Escrow Agent without the execution or
      filing of any paper or the performance of any further act, notwithstanding
      anything herein to the contrary.

     

    13. Compensation.
      FAAC
      and Members agree that the fees and expenses of the Escrow Agent, including
      any
      investment fees and other investment-related charges, for services rendered,
      including the basic fees set forth in Exhibit
      4
      attached
      hereto, shall be paid out of the Earnings; provided,
      however,
      that if
      the Earnings are less than the fees then due, then the balance of the fees
      due
      to the Escrow Agent shall be paid equally by the Members and FAAC. Upon any
      withdrawal from the Escrow Property to pay such fees and expenses, the Escrow
      Agent shall provide written notification of such withdrawal to FAAC and the
      Members' Representative, detailing such fees and expenses. The Escrow Agent
      shall have, and is hereby granted, a prior lien upon any property, cash, or
      assets hereunder, with respect to its unpaid fees and nonreimbursed expenses,
      superior to the interests of any other person.

     

    14. Termination.
      Upon
      delivery of all amounts constituting the Escrow Property as provided in Sections
      5 and 7 and the resolution of all disputes, if any, covered by Section 9, this
      Agreement shall terminate except for the provisions of Section 9 (with respect
      to payment of the Escrow Agent’s expenses), Section 10 and Section
      13.

     

    15. Notices.
      

     

    15.1. All
      necessary notices, demands and requests required or permitted to be given
      hereunder shall be in writing and addressed as follows:

     

    
      	 	
              If
                to the Members:

            	
              c/o
                Thomas P. Rosato

            
	 	 	
              Members’
                Representative

            
	 	 	
              11373
                Liberty Street

            
	 	 	
              Fulton,
                Maryland 20759

            
	 	 	
              Fax:
                ________________

            

    

    
      
        
        

      

      
        10

        
          

        

      

      
        
        

      

    

    

    

    
      	 	
              With
                a copy to:

            	
              William
                M. Davidow, Esquire

            
	 	 	
              Whiteford
                Taylor & Preston L.L.P.

            
	 	 	
              7
                St. Paul Street

            
	 	 	
              Baltimore,
                Maryland 21202-1626

            
	 	 	
              Fax:
                (410) 223-4367

            
	 	 	 
	 	
              If
                to FAAC:

            	
              Fortress
                America Acquisition Corporation

            
	 	 	
              4100
                North Fairfax Drive

            
	 	 	
              Suite
                1150

            
	 	 	
              Arlington,
                Virginia 22203

            
	 	 	
              Attn:
                Harvey L. Weiss, Chairman of the Board

            
	 	 	 
	 	 	
              and

            
	 	 	 
	 	 	
              James
                J. Maiwurm

            
	 	 	
              Squire,
                Sanders & Dempsey L.L.P.

            
	 	 	
              8000
                Towers Crescent Drive, Suite 1400

            
	 	 	
              Tysons
                Corner, VA 22182-2700

            
	 	 	
              Fax:
                (703) 720-7801

            
	 	 	 
	 	
              If
                to the Escrow Agent:

            	
              SunTrust
                Bank

            
	 	 	
              919
                East Main Street, 10th
                Floor

            
	 	 	
              Richmond,
                Virginia 23219

            
	 	 	
              Attn:
                E. Carl Thompson, Jr.

            
	 	 	
              Fax:
                (804) 782-7855

            

    

     

     

    15.2. Notices
      shall be delivered by a recognized courier service or by facsimile transmission
      and shall be effective upon receipt, provided that notices shall be presumed
      to
      have been received:

     

    (a) if
      given
      by courier service, on the second Business Day following delivery of the notice
      to a recognized courier service for delivery on or before the second Business
      Day following delivery to such service, delivery costs prepaid, addressed as
      aforesaid; and

     

    (b) if
      given
      by facsimile transmission, on the next Business Day, provided that the facsimile
      transmission is confirmed by answer back, written evidence of electronic
      confirmation of delivery, or oral or written acknowledgment of receipt thereof
      by the addressee.

     

    15.3. From
      time
      to time either party may designate a new address or facsimile number for the
      purpose of notice hereunder by notice to the other party in accordance with
      the
      provisions of this Section 15.

     

    
      
        
        

      

      
        11

        
          

        

      

      
        
        

      

    

    

     

    15.4. Notwithstanding
      anything to the contrary herein provided, the Escrow Agent shall not be deemed
      to have received any notice prior to the Escrow Agent’s actual receipt thereof.

     

    16. Choice
      of Laws; Cumulative Rights.
      This
      Agreement shall be construed in accordance with and governed by the laws of
      the
      Commonwealth of Virginia without regard to the choice of law provisions thereof.
      The rights and remedies provided to each party hereunder are cumulative and
      will
      be in addition to the rights and remedies otherwise available to such party
      under this Agreement, any other agreement or applicable law.

     

    17. Counterparts.
      This
      Agreement may be executed in any number of counterparts, each of which when
      so
      executed and delivered will be deemed an original, and such counterparts
      together will constitute an original.

     

    18. Successors
      and Assigns.
      This
      Agreement will bind and inure to the benefit of the parties and their respective
      successors and permitted assigns. Except as provided in Section 12.2, this
      Agreement may not be assigned by operation of law or otherwise without the
      prior
      written consent of each of the parties hereto.

     

    19. Severability.
      The
      provisions of this Agreement will be deemed severable, and if any provision
      or
      part of this Agreement is held illegal, void or invalid under applicable law,
      such provision or part may be changed to the extent reasonably necessary to
      make
      the provision or part, as so changed, legal, valid and binding. If any provision
      of this Agreement is held illegal, void or invalid in its entirety, the
      remaining provisions of this Agreement will not in any way be affected or
      impaired but will remain binding in accordance with their terms.

     

    20. Headings.
      The
      Section headings in this Agreement are for convenience of reference only and
      will not be deemed to alter or affect the meaning or interpretation of any
      provisions hereof.

     

    21. Waiver.
      No
      failure on the part of any party to exercise any power, right, privilege or
      remedy under this Agreement, and no delay on the part of any party in exercising
      any power, right, privilege or remedy under this Agreement, shall operate as
      a
      waiver of such power, right, privilege or remedy; and no single or partial
      exercise of any such power, right, privilege or remedy shall preclude any other
      or further exercise thereof or any other power, right, privilege or remedy.
      No
      party shall be deemed to have waived any claim arising out of this Agreement,
      or
      any power, right, privilege or remedy under this Agreement, unless the waiver
      of
      such claim, power, right, privilege or remedy is expressly set forth in a
      written instrument duly executed and delivered on behalf of such party; and
      any
      such waiver shall not be applicable or have any effect except in the specific
      instance in which it is given.

     

    22. Amendments.
      This
      Agreement may not be amended, modified, altered or supplemented other than
      by
      means of a written instrument duly executed and delivered on behalf of each
      of
      the parties hereto.

     

    23. Parties
      in Interest.
      None of
      the provisions of this Agreement is intended to provide any rights or remedies
      to any Person other than the parties hereto and their respective successors
      and
      permitted assigns, if any.

     

    
      
        
        

      

      
        12

        
          

        

      

      
        
        

      

    

    

     

    24. Entire
      Agreement.
      This
      Agreement sets forth the entire understanding of the parties hereto relating
      to
      the subject matter hereof and supersedes all prior agreements and understandings
      among or between any of the parties relating to the subject matter
      hereof.

     

    25. Escrow
      Agent Documentation.
      In order
      to maintain compliance with the Patriot Act, prior to the effective date of
      this
      Agreement, FAAC and the Members’ Representative shall provide to the Escrow
      Agent a completed Form W-9, Certificate of Incumbency, and a copy of the
      corporate document (i.e., Corporate Resolution, Articles of Incorporation,
      Bylaws, Partnership Agreement, etc.) that would show proper authorization for
      such parties to enter into this Agreement. 

     

    IN
      WITNESS WHEREOF, the parties have duly executed this Agreement as of the date
      first above written.

     

    
      	 	
              FORTRESS
                AMERICA ACQUISITION CORPORATION, 

            
	 	
              a
                Delaware corporation

            
	 	 
	 	 
	 	 
	 	
              By:
                /s/ Harvey L. Weiss

            
	 	
              Name:
                Harvey L. Weiss

            
	 	
              Title:
                Chairman

            
	 	 
	 	 
	 	
              MEMBERS:

            
	 	 
	 	 
	 	
              /s/
                Thomas P. Rosato

            
	 	
              Thomas
                P. Rosato

            
	 	 
	 	 
	 	
              /s/
                Gerard J. Gallagher

            
	 	
              Gerard
                J. Gallagher

            
	 	 
	 	 
	 	
              MEMBERS’
                REPRESENTATIVE:

            
	 	 
	 	 
	 	
              /s/
                Thomas P. Rosato

            
	 	
              Thomas
                P. Rosato as the representative for those 

            
	 	
              Members
                pursuant to Section 2.6 of the Membership 

            
	 	
              Interest
                Purchase Agreement.

            

    

    

    
      
        
        

      

      
        13

        
          

        

      

      
        
        

      

    

    

    

    
      	 	
              ESCROW
                AGENT:

            
	 	 
	 	
              SUNTRUST
                BANK,

            
	 	
              a
                Georgia banking corporation

            
	 	 
	 	 
	 	 
	 	
              By:
                /s/ E. Carl Thompson, Jr.

            
	 	
              Name:
                E. Carl Thompson, Jr.

            
	 	
              Title:
                Trust Officer

            

    

    
      
        
        

      

      
        14

        
          

        

      

      
        
        

      

    

    Exhibit
      1 to Escrow Agreement

     

    Membership
      Interest Purchase Agreement

     

    
      
        
        

      

      
        15

        
          

        

      

      
        
        

      

    

    Exhibit
      2 to Escrow Agreement

     

    Stock
      Acquisition Agreements

     

    
      
        
        

      

      
        16

        
          

        

      

      
        
        

        
        

      

    

    Exhibit
      3 to Escrow Agreement

     

    Payment
      Request Form

    [Date]

    

    SunTrust
      Bank 

    919
      E.
      Main St.

    Richmond,
      VA 23219

    Attention:
      Carl Thompson

    

    
      	 	
              Re:

            	
              Escrow
                No. ____________ (“Escrow”)

            

    

     

    Ladies
      and Gentlemen:

    

    The
      undersigned hereby certify that:

    

    (1) Demand
      for payment as provided per the terms and conditions of that certain Escrow
      Agreement dated _________________, 200_ is hereby made in the amount of
      $____________ to _________ [and $_____________ to _______________]. [The demand
      is in respect of Section 5.1 of the Escrow Agreement.]

    

    (2) Please
      direct payment by wire transfer[s] as follows:

    

    $_____________
      to

    

    [Depository
      Bank]

    [Depository
      Bank Address]

    ABA
      No.
      _________________

    Acct.
      No.
      _________________ 

    For
      Benefit of :_____________

    

    [and,
      $_____________ to

    

    [Depository
      Bank]

    [Depository
      Bank Address]

    ABA
      No.
      _________________

    Acct.
      No.
      _________________ 

    For
      Benefit of :_____________]

     

    (3) With
      respect to the drawing referred to in this Payment Request Form, the [aggregate]
      amount demanded hereby does not exceed one hundred percent (100%) of the Escrow
      valued as of the date hereof. 

    
      
        
        

      

      
        17

        
          

        

      

      
        
        

      

    

    

    FORTRESS
      INTERNATIONAL GROUP, INC.

    

    

    

    By:_________________________________      
          Date:_________________

    Name:
      

    Title:
      

    

    MEMBERS,
      as represented by the

    MEMBERS'
      REPRESENTATIVE:

     

    

    ____________________________________         
      Date:_________________

    [______________________]

    

    

     

    

     

    
      
        
        

      

      
        18

        
          

        

      

      
        
        

        
        

      

    

    Exhibit
      4 to Escrow Agreement

     

    Fee
      Schedule

     

    

     

    Fees
      payable to SunTrust Bank for services rendered with respect to this Escrow
      Agreement shall be as follows:

     

    
      	
              Legal
                Fee

            	
              $

            	
              __________

            
	
              Annual
                Administration Fee

            	
              $

            	
              __________

            

    

     

    This
      fee
      is priced with the understanding that the funds will be deposited in the STI
      Classic US Treasury Money Market Fund.

     

    The
      annual administration fee is payable in advance at the time of closing and
      will
      be charged to the Escrow Property at such time and on each anniversary date.
      The
      fees shall be deemed earned in full upon receipt by the Escrow Agent, and no
      portion shall be refundable for any reason, including without limitation,
      termination of this Agreement.

    

    The
      parties agree that, in the event any controversy arises under or in connection
      with this Agreement or the Escrow Property or the Escrow Agent is made a party
      to or intervenes in any litigation pertaining to this Agreement or the Escrow
      Property, to pay to the Escrow Agent reasonable compensation for its
      extraordinary services and to reimburse the Escrow Agent for all costs and
      expenses directly or indirectly incurred by reason of such controversy or
      litigation.

    

    

     

    
      
        
        

      

      
        19REGISTRATION
      RIGHTS AGREEMENT

    

    

    THIS
      REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is entered into as of the 19 day of January, 2007, by and among Fortress America Acquisition
      Corporation, a Delaware corporation (the “Company”) and the undersigned parties
      listed under Stockholders on the signature page hereto (each, a “Stockholder”
and collectively, the “Stockholders”).

     

    NOW,
      THEREFORE, in consideration of the mutual covenants and agreements set forth
      herein, and for other good and valuable consideration, the receipt and
      sufficiency of which are hereby acknowledged, the parties hereto agree as
      follows:

     

    1. DEFINITIONS. 
      The following capitalized terms used herein have the following
      meanings:

    

    “Agreement”
means
      this Agreement, as amended, restated, supplemented, or otherwise modified from
      time to time.

     

    “Commission”
means
      the Securities and Exchange Commission, or any other federal agency then
      administering the Securities Act or the Exchange Act.

     

    “Common
      Stock”
means
      the common stock, par value $0.0001 per share, of the Company.

     

    “Company”
is
      defined in the preamble to this Agreement.

     

    “Demand
      Registration”
is
      defined in Section 2.1.1.

     

    “Demanding
      Holder”
is
      defined in Section 2.1.1.

     

    “Exchange
      Act”
means
      the Securities Exchange Act of 1934, as amended, and the rules and regulations
      of the Commission promulgated thereunder, all as the same shall be in effect
      at
      the time.

     

    “Form
      S-3”
is
      defined in Section 2.3.

     

    “Founding
      Investor Registration Rights Agreement”
means
      that certain Registration Rights Agreement dated as of July 13, 2005 by and
      among the Company and the investors listed on the signature page
      thereto.

    

    “Indemnified
      Party”
is
      defined in Section 4.3.

     

    “Indemnifying
      Party”
is
      defined in Section 4.3.

     

    “Maximum
      Number of Shares”
is
      defined in Section 2.1.4.

    
      
        
        

      

      
        1

        
          

        

      

      
        
        

      

    

    

     

    “Notices”
is
      defined in Section 6.3.

     

    “Piggy-Back
      Registration”
is
      defined in Section 2.2.1.

     

    “Register,”
      “registered”
and
      “registration”
each
      means a registration effected by preparing and filing a registration statement
      or similar document in compliance with the requirements of the Securities Act,
      and the applicable rules and regulations promulgated thereunder, and such
      registration statement becoming effective.

     

    “Registrable
      Securities”
mean
      all of the shares of Common Stock owned or held by Stockholders. 
Registrable Securities include any warrants, shares of capital stock or other
      securities of the Company issued as a dividend or other distribution with
      respect to or in exchange for or in replacement of such shares of Common
      Stock.  As to any particular Registrable Securities, such securities shall
      cease to be Registrable Securities when:  (a) a Registration Statement
      with respect to the sale of such securities shall have become effective under
      the Securities Act and such securities shall have been sold, transferred,
      disposed of or exchanged in accordance with such Registration Statement;
      (b) such securities shall have been otherwise transferred, new certificates
      for them not bearing a legend restricting further transfer shall have been
      delivered by the Company and subsequent public distribution of them shall not
      require registration under the Securities Act; (c) such securities shall
      have ceased to be outstanding, or (d) the Securities and Exchange Commission
      makes a definitive determination to the Company that the Registrable Securities
      are salable under Rule 144(k).

     

    “Registration
      Statement”
means
      a
      registration statement filed by the Company with the Commission in compliance
      with the Securities Act and the rules and regulations promulgated thereunder
      for
      a public offering and sale of Common Stock (other than a registration statement
      on Form S-4 or Form S-8, or their successors, or any registration
      statement covering only securities proposed to be issued in exchange for
      securities or assets of another entity).

     

    “Release
      Date”
means
      July 13, 2008. 

     

    “Securities
      Act”
means
      the Securities Act of 1933, as amended, and the rules and regulations of the
      Commission promulgated thereunder, all as the same shall be in effect at the
      time.

     

    

    “Stockholder”
is
      defined in the preamble to this Agreement.

    

    “Stockholder
      Indemnified Party”
is
      defined in Section 4.1.

    

    “Underwriter”
means
      a
      securities dealer who purchases any Registrable Securities as principal in
      an
      underwritten offering and not as part of such dealer’s market-making
      activities.

     

    
      
        
        

      

      
        2

        
          

        

      

      
        
        

      

    

    

    2. REGISTRATION
      RIGHTS.

    

    2.1 Demand
      Registration.

    

     2.1.1. Request
      for Registration. 
      At any time and from time to time on or after the Release Date, the holders
      of a
      majority-in-interest of the Registrable Securities held by the Stockholders
      or
      the transferees of the Stockholders, may make a written demand for registration
      under the Securities Act of all or part of their Registrable Securities (a
      “Demand
      Registration”). 
      Any demand for a Demand Registration shall specify the number of shares of
      Registrable Securities proposed to be sold and the intended method(s) of
      distribution thereof.  The Company will notify all holders of Registrable
      Securities of the demand, and each holder of Registrable Securities who wishes
      to include all or a portion of such holder’s Registrable Securities in the
      Demand Registration (each such holder including shares of Registrable Securities
      in such registration, a “Demanding
      Holder”)
      shall
      so notify the Company within fifteen (15) days after the receipt by the holder
      of the notice from the Company.  Upon any such request, the Demanding
      Holders shall be entitled to have their Registrable Securities included in
      the
      Demand Registration, subject to Section 2.1.4 and the provisos set forth in
      Section 3.1.1.  The Company shall not be obligated to effect more than
      an aggregate of two (2) Demand Registrations under this Section 2.1.1 in
      respect of Registrable Securities.

    

    2.1.2. Effective
      Registration. 
A
      registration will not count as a Demand Registration until the Registration
      Statement filed with the Commission with respect to such Demand Registration
      has
      been declared effective and the Company has complied with all of its obligations
      under this Agreement with respect thereto; provided,
      however,
      that
      if, after such Registration Statement has been declared effective, the offering
      of Registrable Securities pursuant to a Demand Registration is interfered with
      by any stop order or injunction of the Commission or any other governmental
      agency or court, the Registration Statement with respect to such Demand
      Registration will be deemed not to have been declared effective, unless and
      until, (i) such stop order or injunction is removed, rescinded or otherwise
      terminated, and (ii) a majority-in-interest of the Demanding Holders thereafter
      elect to continue the offering; provided,
      further,
      that
      the Company shall not be obligated to file a second Registration Statement
      until
      a Registration Statement that has been filed is counted as a Demand Registration
      or is terminated.

    

    2.1.3. Underwritten
      Offering. 
      If a majority-in-interest of the Demanding Holders so elect and such holders
      so
      advise the Company as part of their written demand for a Demand Registration,
      the offering of such Registrable Securities pursuant to such Demand Registration
      shall be in the form of an underwritten offering. In such event, the right
      of
      any holder to include its Registrable Securities in such registration shall
      be
      conditioned upon such holder’s participation in such underwriting and the
      inclusion of such holder’s Registrable Securities in the underwriting to the
      extent provided herein.  All Demanding Holders proposing to distribute
      their securities through such underwriting shall enter into an underwriting
      agreement in customary form with the Underwriter or Underwriters selected for
      such underwriting by a majority-in-interest of the holders initiating the Demand
      Registration.

    
      
        
        

      

      
        3

        
          

        

      

      
        
        

      

    

    

    2.1.4. Reduction
      of Offering. 
      If the managing Underwriter or Underwriters for a Demand Registration that
      is to
      be an underwritten offering advises the Company and the Demanding Holders in
      writing that the dollar amount or number of shares of Registrable Securities
      which the Demanding Holders desire to sell, taken together with all other shares
      of Common Stock or other securities which the Company desires to sell and the
      shares of Common Stock, if any, as to which registration has been requested
      pursuant to written contractual piggy-back registration rights held by other
      shareholders of the Company who desire to sell, exceeds the maximum dollar
      amount or maximum number of shares that can be sold in such offering without
      adversely affecting the proposed offering price, the timing, the distribution
      method, or the probability of success of such offering (such maximum dollar
      amount or maximum number of shares, as applicable, the “Maximum
      Number of Shares”),
      then
      the Company shall include in such registration:  (i) first, the Registrable
      Securities as to which Demand Registration has been requested by the Demanding
      Holders (pro
      rata
      in
      accordance with the number of shares of Registrable Securities which such
      Demanding Holder has requested be included in such registration, regardless
      of
      the number of shares of Registrable Securities held by each Demanding Holder)
      that can be sold without exceeding the Maximum Number of Shares; (ii) second,
      to
      the extent that the Maximum Number of Shares has not been reached under the
      foregoing clause (i), the shares of Common Stock or other securities that the
      Company desires to sell that can be sold without exceeding the Maximum Number
      of
      Shares; (iii) third, to the extent that the Maximum Number of Shares has not
      been reached under the foregoing clauses (i) and (ii), the shares of Common
      Stock for the account of other persons that the Company is obligated to register
      pursuant to written contractual arrangements with such persons and that can
      be
      sold without exceeding the Maximum Number of Shares; and (iv) fourth, to the
      extent that the Maximum Number of Shares have not been reached under the
      foregoing clauses (i), (ii), and (iii), the shares of Common Stock that other
      shareholders desire to sell that can be sold without exceeding the Maximum
      Number of Shares.

    

    2.1.5. Withdrawal.
      If a
      majority-in-interest of the Demanding Holders disapprove of the terms of any
      underwriting or are not entitled to include all of their Registrable Securities
      in any offering, such majority-in-interest of the Demanding Holders may elect
      to
      withdraw from such offering by giving written notice to the Company and the
      Underwriter or Underwriters of their request to withdraw prior to the
      effectiveness of the Registration Statement filed with the Commission with
      respect to such Demand Registration.  If the majority-in-interest of the
      Demanding Holders withdraws from a proposed offering relating to a Demand
      Registration, then such registration shall not count as a Demand Registration
      provided for in Section 2.1.1.

    

    2.2 Piggy-Back
      Registration.

    

    2.2.1. Piggy-Back
      Rights. 
      If at any time on or after the Release Date the Company proposes to file a
      Registration Statement under the Securities Act with respect to an offering
      of
      equity securities, or securities or other obligations exercisable or
      exchangeable for, or convertible into, equity securities, by the Company for
      its
      own account or for shareholders of the Company for their account (or by the
      Company and by shareholders of the Company including, without limitation,
      pursuant to Section 2.1), other than a Registration Statement (i) filed in
      connection with any employee stock option or other benefit plan, (ii) for an
      exchange offer or offering of securities solely to the Company’s existing
      shareholders, (iii) for an offering of debt that is convertible into equity
      securities of the Company or (iv) for a dividend reinvestment plan, then
      the Company shall (x) give written notice of such proposed filing to the holders
      of Registrable Securities as soon as practicable but in no event less than
      ten
      (10) days before the anticipated filing date, which notice shall describe the
      amount and type of securities to be included in such offering, the intended
      method(s) of distribution, and the name of the proposed managing Underwriter
      or
      Underwriters, if any, of the offering, and (y) offer to the holders of
      Registrable Securities in such notice the opportunity to register the sale
      of
      such number of shares of Registrable Securities as such holders may request
      in
      writing within fifteen (15) days following receipt of such notice (a
“Piggy-Back
      Registration”). 
      The Company shall cause such Registrable Securities to be included in such
      registration and shall use its best efforts to cause the managing Underwriter
      or
      Underwriters of a proposed underwritten offering to permit the Registrable
      Securities requested to be included in a Piggy-Back Registration to be included
      on the same terms and conditions as any similar securities of the Company and
      to
      permit the sale or other disposition of such Registrable Securities in
      accordance with the intended method(s) of distribution thereof.  All
      holders of Registrable Securities proposing to distribute their securities
      through a Piggy-Back Registration that involves an Underwriter or Underwriters
      shall enter into an underwriting agreement in customary form with the
      Underwriter or Underwriters selected for such Piggy-Back
      Registration.

    
      
        
        

      

      
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    2.2.2. Reduction
      of Offering. 
      If the managing Underwriter or Underwriters for a Piggy-Back Registration that
      is to be an underwritten offering advises the Company and the holders of
      Registrable Securities in writing that the dollar amount or number of shares
      of
      Common Stock which the Company desires to sell, taken together with shares
      of
      Common Stock, if any, as to which registration has been demanded pursuant to
      written contractual arrangements with persons other than the holders of
      Registrable Securities hereunder, the Registrable Securities as to which
      registration has been requested under this Section 2.2, and the shares of
      Common Stock, if any, as to which registration has been requested pursuant
      to
      the written contractual piggy-back registration rights of other shareholders
      of
      the Company, exceeds the Maximum Number of Shares, then the Company shall
      include in any such registration:

    

        (i) If
      the
      registration is undertaken for the Company’s account: (A) first, the shares of
      Common Stock or other securities that the Company desires to sell that can
      be
      sold without exceeding the Maximum Number of Shares; (B) second, to the extent
      that the Maximum Number of Shares has not been reached under the foregoing
      clause (A), the shares of Common Stock, if any, including the Registrable
      Securities, as to which registration has been requested pursuant to written
      contractual piggy-back registration rights of security holders (pro rata in
      accordance with the number of shares of Common Stock which each such person
      has
      actually requested to be included in such registration, regardless of the number
      of shares of Common Stock with respect to which such persons have the right
      to
      request such inclusion) that can be sold without exceeding the Maximum Number
      of
      Shares; and

    

    (ii) If
      the
      registration is a “demand” registration undertaken at the demand of persons
      other than the holders of Registrable Securities pursuant to written contractual
      arrangements with such persons, (A) first, the shares of Common Stock for the
      account of the demanding persons that can be sold without exceeding the Maximum
      Number of Shares; (B) second, to the extent that the Maximum Number of Shares
      has not been reached under the foregoing clause (A), the shares of Common Stock
      or other securities that the Company desires to sell that can be sold without
      exceeding the Maximum Number of Shares; (C) third, to the extent that the
      Maximum Number of Shares has not been reached under the foregoing clauses (A)
      and (B), the shares of Common Stock as to which registration has been requested
      pursuant to written contractual piggy-back registration rights under the
      Founding Investor Registration Rights Agreement that can be sold without
      exceeding the Maximum Number of Shares; (D) fourth, to the extent that the
      Maximum Number of Shares has not been reached under the foregoing
      clauses (A), (B) and (C), the Registrable Securities as to which
      registration has been requested under this Section 2.2 (pro rata in accordance
      with the number of shares of Registrable Securities held by each such holder)
      that can be sold without exceeding the Maximum Number of Shares; and (E) fifth,
      to the extent that the Maximum Number of Shares has not been reached under
      the
      foregoing clauses (A), (B), (C) and (D), the shares of Common Stock, if any,
      as
      to which registration has been requested pursuant to written contractual
      piggy-back
      registration rights which other shareholders desire to sell that can be sold
      without exceeding the Maximum Number of Shares.

    

    
      
        
        

      

      
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    2.2.3. Withdrawal. 
      Any holder of Registrable Securities may elect to withdraw such holder’s request
      for inclusion of Registrable Securities in any Piggy-Back Registration by giving
      written notice to the Company of such request to withdraw prior to the
      effectiveness of the Registration Statement.  The Company may also elect to
      withdraw a registration statement at any time prior to the effectiveness of
      the
      Registration Statement.  Notwithstanding any such withdrawal, the Company
      shall pay all expenses incurred by the holders of Registrable Securities in
      connection with such Piggy-Back Registration as provided in
      Section 3.3.

    

    2.3 Registrations
      on Form S-3. 
      The holders of Registrable Securities may at any time and from time to time,
      request in writing that the Company register the resale of any or all of such
      Registrable Securities on Form S-3 or any similar short-form registration which
      may be available at such time (“Form
      S-3”);
      provided,
      however,
      that
      the Company shall not be obligated to effect such request through an
      underwritten offering.  Upon receipt of such written request, the Company
      will promptly give written notice of the proposed registration to all other
      holders of Registrable Securities, and, as soon as practicable thereafter,
      effect the registration of all or such portion of such holder’s or holders’
Registrable Securities as are specified in such request, together with all
      or
      such portion of the Registrable Securities of any other holder or holders
      joining in such request as are specified in a written request given within
      fifteen (15) days after receipt of such written notice from the Company;
provided,
      however,
      that
      the Company shall not be obligated to effect any such registration pursuant
      to
      this Section 2.3: (i) if Form S-3 is not available for such offering; or
      (ii) if the holders of the Registrable Securities, together with the holders
      of
      any other securities of the Company entitled to inclusion in such registration,
      propose to sell Registrable Securities and such other securities (if any) at
      any
      aggregate price to the public of less than $500,000. Registrations effected
      pursuant to this Section 2.3 shall not be counted as Demand Registrations
      effected pursuant to Section 2.1.

    
      
        
        

      

      
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    3. REGISTRATION
      PROCEDURES.

    

    3.1 Filings;
      Information. 
      Whenever the Company is required to effect the registration of any Registrable
      Securities pursuant to Section 2, the Company shall use its best efforts to
      effect the registration and sale of such Registrable Securities in accordance
      with the intended method(s) of distribution thereof as expeditiously as
      practicable, and in connection with any such request:

    

       3.1.1. Filing
      Registration Statement. 
      The Company shall, as expeditiously as possible and in any event within sixty
      (60) days after receipt of a request for a Demand Registration pursuant to
      Section 2.1, prepare and file with the Commission a Registration Statement
      on any form for which the Company then qualifies or which counsel for the
      Company shall deem appropriate and which form shall be available for the sale
      of
      all Registrable Securities to be registered thereunder in accordance with the
      intended method(s) of distribution thereof, and shall use its best efforts
      to
      cause such Registration Statement to become and remain effective for the period
      required by Section 3.1.3; provided,
      however,
      that
      the Company shall have the right to defer any Demand Registration for up to
      thirty (30) days, and
      any
      Piggy-Back Registration for such period as may be applicable to deferment of
      any
      demand registration to which such Piggy-Back Registration relates, in each
      case
      if the Company shall furnish to the holders a certificate signed by the Chief
      Executive Officer of the Company stating that, in the good faith judgment of
      the
      Board of Directors of the Company, it would be materially detrimental to the
      Company and its shareholders for such Registration Statement to be effected
      at
      such time; provided
      further, however,
      that
      the Company shall not have the right to exercise the right set forth in the
      immediately preceding proviso more than once in any 365-day period in respect
      of
      a Demand Registration hereunder.

    

    3.1.2. Copies. 
      The Company shall, prior to filing a Registration Statement or prospectus,
      or
      any amendment or supplement thereto, furnish without charge to the holders
      of
      Registrable Securities included in such registration, and such holders’ legal
      counsel, copies of such Registration Statement as proposed to be filed, each
      amendment and supplement to such Registration Statement (in each case including
      all exhibits thereto and documents incorporated by reference therein), the
      prospectus included in such Registration Statement (including each preliminary
      prospectus), and such other documents as the holders of Registrable Securities
      included in such registration or legal counsel for any such holders may request
      in order to facilitate the disposition of the Registrable Securities owned
      by
      such holders.

    

       3.1.3. Amendments
      and Supplements. 
      The Company shall prepare and file with the Commission such amendments,
      including post-effective amendments, and supplements to such Registration
      Statement and the prospectus used in connection therewith as may be necessary
      to
      keep such Registration Statement effective and in compliance with the provisions
      of the Securities Act until all Registrable Securities and other securities
      covered by such Registration Statement have been disposed of in accordance
      with
      the intended method(s) of distribution set forth in such Registration Statement
      (which period shall not exceed the sum of one hundred eighty (180) days plus
      any
      period during which any such disposition is interfered with by any stop order
      or
      injunction of the Commission or any governmental agency or court) or such
      securities have been withdrawn.

    
      
        
        

      

      
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    3.1.4. Notification. 
      After the filing of a Registration Statement, the Company shall promptly, and
      in
      no event more than two (2) business days after such filing, notify the holders
      of Registrable Securities included in such Registration Statement of such
      filing, and shall further notify such holders promptly and confirm such advice
      in writing in all events within two (2) business days of the occurrence of
      any
      of the following:  (i) when such Registration Statement becomes
      effective; (ii) when any post-effective amendment to such Registration
      Statement becomes effective; (iii) the issuance or threatened issuance by
      the Commission of any stop order (and the Company shall take all actions
      required to prevent the entry of such stop order or to remove it if entered);
      and (iv) any request by the Commission for any amendment or supplement to
      such Registration Statement or any prospectus relating thereto or for additional
      information or of the occurrence of an event requiring the preparation of a
      supplement or amendment to such prospectus so that, as thereafter delivered
      to
      the purchasers of the securities covered by such Registration Statement, such
      prospectus will not contain an untrue statement of a material fact or omit
      to
      state any material fact required to be stated therein or necessary to make
      the
      statements therein not misleading, and promptly make available to the holders
      of
      Registrable Securities included in such Registration Statement any such
      supplement or amendment; except that before filing with the Commission a
      Registration Statement or
      prospectus or any amendment or supplement thereto, including documents
      incorporated by reference, the Company shall furnish to the holders of
      Registrable Securities included in such Registration Statement and to the legal
      counsel for any such holders, copies of all such documents proposed to be filed
      sufficiently in advance of filing to provide such holders and legal counsel
      with
      a reasonable opportunity to review such documents and comment thereon, and
      the
      Company shall not file any Registration Statement or prospectus or amendment
      or
      supplement thereto, including documents incorporated by reference, to which
      such
      holders or their legal counsel shall object.

     

    3.1.5. State
      Securities Laws Compliance. 
      The Company shall use its best efforts to (i) register or qualify the
      Registrable Securities covered by the Registration Statement under such
      securities or “blue sky” laws of such jurisdictions in the United States as the
      holders of Registrable Securities included in such Registration Statement (in
      light of their intended plan of distribution) may request and (ii) take
      such action necessary to cause such Registrable Securities covered by the
      Registration Statement to be registered with or approved by such other
      governmental authorities as may be necessary by virtue of the business and
      operations of the Company and do any and all other acts and things that may
      be
      necessary or advisable to enable the holders of Registrable Securities included
      in such Registration Statement to consummate the disposition of such Registrable
      Securities in such jurisdictions; provided,
      however,
      that
      the Company shall not be required to qualify generally to do business in any
      jurisdiction where it would not otherwise be required to qualify but for this
      Section 3.1.5 or subject itself to taxation in any such
      jurisdiction.

    

       3.1.6. Agreements
      for Disposition. 
      The Company shall enter into customary agreements (including, if applicable,
      an
      underwriting agreement in customary form) and take such other actions as are
      reasonably required in order to expedite or facilitate the disposition of such
      Registrable Securities.  The representations, warranties and covenants of
      the Company in any underwriting agreement which are made to or for the benefit
      of any Underwriters, to the extent applicable, shall also be made to and for
      the
      benefit of the holders of Registrable Securities included in such registration
      statement.  No holder of Registrable Securities included in such
      registration statement shall be required to make any representations or
      warranties in the underwriting agreement except, if applicable, with respect
      to
      such holder’s organization, good standing, authority, title to Registrable
      Securities, lack of conflict of such sale with such holder’s material agreements
      and organizational documents, and with respect to written information relating
      to such holder that such holder has furnished in writing expressly for inclusion
      in such Registration Statement.

    
      
        
        

      

      
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       3.1.7. Cooperation. 
      The principal executive officer of the Company, the principal financial officer
      of the Company, the principal accounting officer of the Company and all other
      officers and members of the management of the Company shall cooperate fully
      in
      any offering of Registrable Securities hereunder, which cooperation shall
      include, without limitation, the preparation of the Registration Statement
      with
      respect to such offering and all other offering materials and related documents,
      and participation in meetings with Underwriters, attorneys, accountants and
      potential Stockholders.

    

    3.1.8. Records. 
      The Company shall make available for inspection by the holders of Registrable
      Securities included in such Registration Statement, any Underwriter
      participating in any disposition pursuant to such registration statement and
      any
      attorney, accountant or other professional retained by any holder of Registrable
      Securities included in such Registration Statement or any Underwriter, all
      financial and other records, pertinent corporate documents and properties of
      the
      Company, as shall be necessary to enable them to exercise their due diligence
      responsibility, and cause the Company’s officers, directors and employees to
      supply all information requested by any of them in connection with such
      Registration Statement.

    

       3.1.9. Opinions
      and Comfort Letters. 
      The Company shall furnish to each holder of Registrable Securities included
      in
      any Registration Statement a signed counterpart, addressed to such holder,
      of
      (i) any opinion of counsel to the Company delivered to any Underwriter and
      (ii) any comfort letter from the Company’s independent public accountants
      delivered to any Underwriter.  In the event no legal opinion is delivered
      to any Underwriter, the Company shall furnish to each holder of Registrable
      Securities included in such Registration Statement, at any time that such holder
      elects to use a prospectus, an opinion of counsel to the Company to the effect
      that the Registration Statement containing such prospectus has been declared
      effective and that no stop order is in effect.

    

       3.1.10. Earnings
      Statement. 
      The Company shall comply with all applicable rules and regulations of the
      Commission and the Securities Act, and make available to its shareholders,
      as
      soon as practicable, an earnings statement covering a period of twelve (12)
      months, beginning within three (3) months after the effective date of the
      registration statement, which earnings statement shall satisfy the provisions
      of
      Section 11(a) of the Securities Act and Rule 158
      thereunder.

    

       3.1.11. Listing. 
      The Company shall use its best efforts to cause all Registrable Securities
      included in any registration to be listed on such exchanges or otherwise
      designated for trading in the same manner as similar securities issued by the
      Company are then listed or designated or, if no such similar securities are
      then
      listed or designated, in a manner satisfactory to the holders of a majority
      of
      the Registrable Securities included in such registration.

    
      
        
        

      

      
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    3.2 Obligation
      to Suspend Distribution. 
      Upon receipt of any notice from the Company of the happening of any event of
      the
      kind described in Section 3.1.4(iii), or, in the case of a resale
      registration on Form S-3 pursuant to Section 2.3 hereof, upon any
      suspension by the Company, pursuant to a written insider trading compliance
      program adopted by the Company’s Board of Directors, of the ability of all
“insiders” covered by such program to transact in the Company’s securities
      because of the existence of material non-public information and holder would
      be
      deemed an “insider” under such program, each holder of Registrable Securities
      included in any registration shall immediately discontinue disposition of such
      Registrable Securities pursuant to the Registration Statement covering such
      Registrable Securities until such holder receives the supplemented or amended
      prospectus contemplated by Section 3.1.4(iv) or the restriction on the
      ability of “insiders” to transact in the Company’s securities is removed or is
      inapplicable to such holder, as applicable, and, if so directed by the Company,
      each such holder will deliver to the Company all copies, other than permanent
      file copies then in such holder’s possession, of the most recent prospectus
      covering such Registrable Securities at the time of receipt of such
      notice.

    

      3.3 Registration
      Expenses. 
      The Company shall bear all costs and expenses incurred in connection with any
      Demand Registration pursuant to Section 2.1, any Piggy-Back Registration
      pursuant to Section 2.2, and any registration on Form S-3 effected pursuant
      to Section 2.3, and all expenses incurred in performing or complying with
      its other obligations under this Agreement, whether or not the Registration
      Statement becomes effective, including, without limitation: (i) all
      registration and filing fees; (ii) fees and expenses of compliance with
      securities or “blue sky” laws (including fees and disbursements of counsel in
      connection with blue sky qualifications of the Registrable Securities);
      (iii) printing expenses; (iv) the Company’s internal expenses
      (including, without limitation, all salaries and expenses of its officers and
      employees); (v) the fees and expenses incurred in connection with the
      listing of the Registrable Securities as required by Section 3.1.11;
      (vi) National Association of Securities Dealers, Inc. fees; (vii) fees
      and disbursements of counsel for the Company and fees and expenses for
      independent certified public accountants retained by the Company (including
      the
      expenses or costs associated with the delivery of any opinions or comfort
      letters requested pursuant to Section 3.1.9); (viii) the fees and
      expenses of any special experts retained by the Company in connection with
      such
      registration and (ix)  the fees and expenses of one legal counsel
      selected by the holders of a majority-in-interest of the Registrable Securities
      included in such registration.  The Company shall have no obligation to pay
      any underwriting discounts or selling commissions or transfer taxes, if any,
      attributable to the Registrable Securities being sold by the holders thereof,
      which underwriting discounts or selling commissions or transfer taxes, if any,
      shall be borne by such holders.  Additionally, in an underwritten offering,
      all selling shareholders and the Company shall bear the expenses of the
      underwriter pro rata in proportion to the respective amount of shares each
      is
      selling in such offering.

    

      3.4 Information. 
      The holders of Registrable Securities shall provide such information as may
      reasonably be requested by the Company, or the managing Underwriter, if any,
      in
      connection with the preparation of any Registration Statement, including
      amendments and supplements thereto, in order to effect the registration of
      any
      Registrable Securities under the Securities Act pursuant to Section 2 and
      in connection with the Company’s obligation to comply with federal and
      applicable state securities laws.

    
      
        
        

      

      
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    4. INDEMNIFICATION
      AND CONTRIBUTION.

    

    4.1 Indemnification
      by the Company. 
      The Company agrees to indemnify and hold harmless each Stockholder and each
      other holder of Registrable Securities, and each of their respective officers,
      employees, affiliates, directors, partners, members and agents, and each person,
      if any, who controls a Stockholder and each other holder of Registrable
      Securities (within the meaning of Section 15 of the Securities Act or
      Section 20 of the Exchange Act) (each, a “Stockholder
      Indemnified Party”),
      from
      and against any expenses, losses, judgments, claims, damages or liabilities,
      whether joint or several, arising out of or based upon any untrue statement
      (or
      allegedly untrue statement) of a material fact contained in any Registration
      Statement under which the sale of such Registrable Securities was registered
      under the Securities Act, any preliminary prospectus, final prospectus or
      summary prospectus contained in the Registration Statement, or any amendment
      or
      supplement to such Registration Statement, or arising out of or based upon
      any
      omission (or alleged omission) to state a material fact required to be stated
      therein or necessary to make the statements therein not misleading, or any
      violation by the Company of the Securities Act or any rule or regulation
      promulgated thereunder
      applicable to the Company and relating to action or inaction required of the
      Company in connection with any such registration; and the Company shall promptly
      reimburse the Stockholder Indemnified Party for any legal and any other expenses
      reasonably incurred by such Stockholder Indemnified Party in connection with
      investigating and defending any such expense, loss, judgment, claim, damage,
      liability or action; provided,
      however,
      that
      the Company will not be liable in any such case to the extent that any such
      expense, loss, claim, damage or liability arises out of or is based upon any
      untrue statement or allegedly untrue statement or omission or alleged omission
      made in such Registration Statement, preliminary prospectus, final prospectus,
      or summary prospectus, or any such amendment or supplement, in reliance upon
      and
      in conformity with information furnished to the Company, in writing, by such
      selling holder expressly for use therein.  The Company also shall indemnify
      any Underwriter of the Registrable Securities, their officers, affiliates,
      directors, partners, members and agents and each person who controls such
      Underwriter on substantially the same basis as that of the indemnification
      provided above in this Section 4.1.

    

    4.2 Indemnification
      by Holders of Registrable Securities. 
      Each selling holder of Registrable Securities will, in the event that any
      registration is being effected under the Securities Act pursuant to this
      Agreement of any Registrable Securities held by such selling holder, indemnify
      and hold harmless the Company, each of its directors and officers and each
      underwriter (if any), and each other person, if any, who controls such selling
      holder or such underwriter within the meaning of the Securities Act, against
      any
      losses, claims, judgments, damages or liabilities, whether joint or several,
      insofar as such losses, claims, judgments, damages or liabilities (or actions
      in
      respect thereof) arise out of or are based upon any untrue statement or
      allegedly untrue statement of a material fact contained in any Registration
      Statement under which the sale of such Registrable Securities was registered
      under the Securities Act, any preliminary prospectus, final prospectus or
      summary prospectus contained in the Registration Statement, or any amendment
      or
      supplement to the Registration Statement, or arise out of or are based upon
      any
      omission or the alleged omission to state a material fact required to be stated
      therein or necessary to make the statement therein not misleading, if the
      statement or omission was made in reliance upon and in conformity with
      information furnished in writing to the Company by such selling holder expressly
      for use therein, and shall reimburse the Company, its directors and officers,
      and each such controlling person for any legal or other expenses reasonably
      incurred by any of them in connection with investigation or defending any such
      loss, claim, damage, liability or action.  Each selling holder’s
      indemnification obligations hereunder shall be several and not joint and shall
      be limited to the amount of any net proceeds (after payment of all underwriting
      fees, discounts, commissions and taxes) actually received by such selling holder
      from the sale of Registrable Securities which gave rise to such indemnification
      obligation.

    
      
        
        

      

      
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    4.3 Conduct
      of Indemnification Proceedings. 
      Promptly after receipt by any person of any notice of any loss, claim, damage
      or
      liability or any action in respect of which indemnity may be sought pursuant
      to
      Section 4.1 or 4.2, such person (the “Indemnified
      Party”)
      shall,
      if a claim in respect thereof is to be made against any other person for
      indemnification hereunder, notify such other person (the “Indemnifying
      Party”)
      in
      writing of the loss, claim, judgment, damage, liability or action; provided,
      however,
      that
      the failure by the Indemnified Party to notify the Indemnifying Party shall
      not
      relieve the Indemnifying Party from any liability which the Indemnifying Party
      may have to such Indemnified Party hereunder, except and solely to the extent
      the Indemnifying Party is actually prejudiced by such failure.  If the
      Indemnified Party is seeking indemnification with respect to any claim or action
      brought against the
      Indemnified Party, then the Indemnifying Party shall be entitled to participate
      in such claim or action, and, to the extent that it wishes, jointly with all
      other Indemnifying Parties, to assume control of the defense thereof with
      counsel reasonably satisfactory to the Indemnified Party.  After notice
      from the Indemnifying Party to the Indemnified Party of its election to assume
      control of the defense of such claim or action, the Indemnifying Party shall
      not
      be liable to the Indemnified Party for any legal or other expenses subsequently
      incurred by the Indemnified Party in connection with the defense thereof other
      than reasonable costs of investigation; provided,
      however,
      that in
      any action in which both the Indemnified Party and the Indemnifying Party are
      named as defendants, the Indemnified Party shall have the right to employ
      separate counsel (but no more than one such separate counsel) to represent
      the
      Indemnified Party and its controlling persons who may be subject to liability
      arising out of any claim in respect of which indemnity may be sought by the
      Indemnified Party against the Indemnifying Party, with the fees and expenses
      of
      such counsel to be paid by such Indemnifying Party if, based upon the written
      opinion of counsel of such Indemnified Party, representation of both parties
      by
      the same counsel would be inappropriate due to actual or potential differing
      interests between them.  No Indemnifying Party shall, without the prior
      written consent of the Indemnified Party, consent to entry of judgment or effect
      any settlement of any claim or pending or threatened proceeding in respect
      of
      which the Indemnified Party is or could have been a party and indemnity could
      have been sought hereunder by such Indemnified Party, unless such judgment
      or
      settlement includes an unconditional release of such Indemnified Party from
      all
      liability arising out of such claim or proceeding.

    
      
        
        

      

      
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    4.4 Contribution.

    

    4.4.1. If
      the
      indemnification provided for in the foregoing Sections 4.1, 4.2 and 4.3 is
      unavailable to any Indemnified Party in respect of any loss, claim, damage,
      liability or action referred to herein, then each such Indemnifying Party,
      in
      lieu of indemnifying such Indemnified Party, shall contribute to the amount
      paid
      or payable by such Indemnified Party as a result of such loss, claim, damage,
      liability or action in such proportion as is appropriate to reflect the relative
      fault of the Indemnified Parties and the Indemnifying Parties in connection
      with
      the actions or omissions which resulted in such loss, claim, damage, liability
      or action, as well as any other relevant equitable considerations.  The
      relative fault of any Indemnified Party and any Indemnifying Party shall be
      determined by reference to, among other things, whether the untrue or alleged
      untrue statement of a material fact or the omission or alleged omission to
      state
      a material fact relates to information supplied by such Indemnified Party or
      such Indemnifying Party and the parties’ relative intent, knowledge, access to
      information and opportunity to correct or prevent such statement or
      omission.

    

    4.4.2. The
      parties hereto agree that it would not be just and equitable if contribution
      pursuant to this Section 4.4 were determined by pro
      rata
      allocation or by any other method of allocation which does not take account
      of
      the equitable considerations referred to in the immediately preceding
      Section 4.4.1.  The amount paid or payable by an Indemnified Party as
      a result of any loss, claim, damage, liability or action referred to in the
      immediately preceding paragraph shall be deemed to include, subject to the
      limitations set forth above, any legal or other expenses incurred by such
      Indemnified Party in connection with investigating or defending any such action
      or claim.  Notwithstanding the provisions of this Section 4.4, no
      holder of Registrable Securities shall be required to contribute any amount
      in
      excess of the dollar amount
      of the
      net proceeds (after payment of all underwriting fees, discounts, commissions
      and
      taxes) actually received by such holder from the sale of Registrable Securities
      which gave rise to such contribution obligation.  No person guilty of
      fraudulent misrepresentation (within the meaning of Section 11(f) of
      the Securities Act) shall be entitled to contribution from any person who was
      not guilty of such fraudulent misrepresentation.

     

    5. UNDERWRITING
      AND DISTRIBUTION.

    

    5.1 Rule 144. 
      The Company covenants that it shall file any reports required to be filed by
      it
      under the Securities Act and the Exchange Act and shall take such further action
      as the holders of Registrable Securities may reasonably request, all to the
      extent required from time to time to enable such holders to sell Registrable
      Securities without registration under the Securities Act within the limitation
      of the exemptions provided by Rule 144 under the Securities Act, as such
      Rules may be amended from time to time, or any similar Rule or regulation
      hereafter adopted by the Commission.

    
      
        
        

      

      
        13

        
          

        

      

      
        
        

      

    

    

    6. MISCELLANEOUS.

    

    6.1 Other
      Registration Rights. 
      The Company represents and warrants that no person, other than a holder of
      the
      Registrable Securities and the parties to the Founding Investor Registration
      Rights Agreement, has any right to require the Company to register any shares
      of
      the Company’s capital stock for sale or to include shares of the Company’s
      capital stock in any registration filed by the Company for the sale of shares
      of
      capital stock for its own account or for the account of any other
      person.

    

    6.2 Assignment;
      No Third-Party Beneficiaries. 
      This Agreement and the rights, duties and obligations of the Company hereunder
      may not be assigned or delegated by the Company in whole or in part.  This
      Agreement and the rights, duties and obligations of the holders of Registrable
      Securities hereunder may be freely assigned or delegated by such holder of
      Registrable Securities in conjunction with and to the extent of any transfer
      of
      Registrable Securities by any such holder.  This Agreement and the
      provisions hereof shall be binding upon and shall inure to the benefit of each
      of the parties and their respective successors and the permitted assigns of
      the
      Stockholder or holder of Registrable Securities or of any assignee of the
      Stockholder or holder of Registrable Securities.  This Agreement is not
      intended to confer any rights or benefits on any persons that are not a party
      hereto other than as expressly set forth in Section 4 and this
      Section 6.2. 

    

    6.3 Notices.
      All
      notices, demands, requests, consents, approvals or other communications
      (collectively, “Notices”)
      required or permitted to be given hereunder or which are given with respect
      to
      this Agreement shall be in writing and shall be personally served, delivered
      by
      reputable air courier service with charges prepaid, or transmitted by hand
      delivery, telegram, telex or facsimile, addressed as set forth below, or to
      such
      other address as such party shall have specified most recently by written
      notice.  Notice shall be deemed given on the date of service or
      transmission if personally served or transmitted by telegram, telex or
      facsimile;
      provided,
      that if
      such service or transmission is not on a business day or is after normal
      business hours, then such notice shall be deemed given on the next business
      day.  Notice otherwise sent as provided herein shall be deemed given on the
      next business day following timely delivery of such notice to a reputable air
      courier service with an order for next-day delivery.

    

    
      	
               To
                the Company:

            
	
               

            
	
              Fortress
                America Acquisition Corporation

            
	
              4100
                North Fairfax Drive, #1150

            
	
              Arlington,
                Virginia 22203

            
	
              Attention: 
                Chairman

            
	
               

            
	
              with
                a copy to:

            
	
               

            
	
              Squire,
                Sanders & Dempsey L.L.P.

            
	
              8000
                Towers Crescent Drive, 14th
                Floor

            
	
              Tysons
                Corner, Virginia 22182

            
	
              Attn:
                James J. Maiwurm, Esq.; and

            
	
               

            
	
              To
                a Stockholder,:

            
	
               

            
	
              to
                the addresses listed on Exhibit A hereto.

            	 

    

     

    
      
        
        

      

      
        14

        
          

        

      

      
        
        

      

    

    

    6.4 Severability. 
      This Agreement shall be deemed severable, and the invalidity or unenforceability
      of any term or provision hereof shall not affect the validity or enforceability
      of this Agreement or of any other term or provision hereof.  Furthermore,
      in lieu of any such invalid or unenforceable term or provision, the parties
      hereto intend that there shall be added as a part of this Agreement a provision
      as similar in terms to such invalid or unenforceable provision as may be
      possible and be valid and enforceable.

     

    6.5 Counterparts. 
      This Agreement may be executed in multiple counterparts, each of which shall
      be
      deemed an original, and all of which taken together shall constitute one and
      the
      same instrument.

     

    6.6 Entire
      Agreement. 
      This Agreement (including all agreements entered into pursuant hereto and all
      certificates and instruments delivered pursuant hereto and thereto) constitute
      the entire agreement of the parties with respect to the subject matter hereof
      and supersede all prior and contemporaneous agreements, representations,
      understandings, negotiations and discussions between the parties, whether oral
      or written.

     

    6.7 Modifications
      and Amendments. 
      No amendment, modification or termination of this Agreement shall be binding
      upon any party unless executed in writing by such party.

     

    6.8 Titles
      and Headings. 
      Titles and headings of sections of this Agreement are for convenience only
      and
      shall not affect the construction of any provision of this
      Agreement.

     

    6.9 Waivers
      and Extensions. 
      Any party to this Agreement may waive any right, breach or default which such
      party has the right to waive, provided
      that
      such waiver will not be effective against the waiving party unless it is in
      writing, is signed by such party, and specifically refers to this
      Agreement.  Waivers may be made in advance or after the right waived has
      arisen or the breach or default waived has occurred.  Any waiver may be
      conditional.  No waiver of any breach of any agreement or provision herein
      contained shall be deemed a waiver of any preceding or succeeding breach thereof
      or of any other agreement or provision herein contained.  No waiver or
      extension of time for performance of any obligations or acts shall be deemed
      a
      waiver or extension of the time for performance of any other obligations or
      acts.

     

    6.10 Remedies
      Cumulative. 
      In the event that the Company fails to observe or perform any covenant or
      agreement to be observed or performed under this Agreement, the Stockholder
      or
      any other holder of Registrable Securities may proceed to protect and enforce
      its rights by suit in equity or action at law, whether for specific performance
      of any term contained in this Agreement or for an injunction against the breach
      of any such term or in aid of the exercise of any power granted in this
      Agreement or to enforce any other legal or equitable right, or to take any
      one
      or more of such actions, without being required to post a bond.  None of
      the rights, powers or remedies conferred under this Agreement shall be mutually
      exclusive, and each such right, power or remedy shall be cumulative and in
      addition to any other right, power or remedy, whether conferred by this
      Agreement or now or hereafter available at law, in equity, by statute or
      otherwise.

    
      
        
        

      

      
        15

        
          

        

      

      
        
        

      

    

    

     

    6.11 Governing
      Law.
      This
      Agreement shall be governed by, interpreted under, and construed in accordance
      with the internal laws of the State of Delaware applicable to agreements made
      and to be performed within the State of Delaware, without giving effect to
      any
      choice-of-law provisions thereof that would compel the application of the
      substantive laws of any other jurisdiction. 

     

    6.12 Waiver
      of Trial by Jury. 
      Each party hereby irrevocably and unconditionally waives the right to a trial
      by
      jury in any action, suit, counterclaim or other proceeding (whether based on
      contract, tort or otherwise) arising out of, connected with or relating to
      this
      Agreement, the transactions contemplated hereby, or the actions of any
      Stockholder in the negotiation, administration, performance or enforcement
      hereof.

     

    [REMAINDER
      OF PAGE INTENTIONALLY LEFT BLANK]

    
      
        
        

      

      
        16

        
          

        

      

      
        
        

      

    

    IN
      WITNESS WHEREOF, the parties have caused this Registration Rights Agreement
      to
      be executed and delivered by their duly authorized representatives as of the
      date first written above.

     

     

    
      	 	
              FORTRESS
                AMERICA ACQUISITION CORPORATION,

            
	 	
              a
                Delaware corporation

            
	
               

            	
               

            
	
               

            	
              By:
                /s/ Harvey L. Weiss

            
	
               

            	
              Name: Harvey
                L. Weiss

              Title:
                 Chairman

            
	 	
              STOCKHOLDERS:

            
	
               

            	
               

            
	 	
              /s/
                Thomas P. Rosato  

            
	 	
              Thomas
                P. Rosato

            
	 	 
	
               

            	
              /s/
                Gerard J. Gallagher

            
	
               

            	
               Gerard
                J. Gallagher

            
	 	 
	 	
              Evergreen
                Capital LLC

            
	 	 
	 	 
	 	
              By:/s/
                Richard Kohr, Jr.

              Name:
                Richard Kohr

            
	 	
              Title:President

            

    

    

    

    

    
      
        
        

      

      
        17

        
          

        

      

      
        
        

        
          

        

      

    

    Exhibit
      A

    

    

    Stockholders:

    

    

    Thomas
      P.
      Rosato

    11373
      Liberty Street

    Fulton,
      MD 20759

    

    

    Gerard
      J.
      Gallagher

    5
      Tydings
      Road

    Severna
      Park, MD 211468

    

    

    Evergreen
      Capital, LLC

    8808
      Centre Park Drive, Suite 204

    Columbia,
      MD 21045

    

    
      
        
        

      

      
        18

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