|   | Execution Copy |
|--------|----------------|

| Bank of America, N.A.Merrill Lynch Pierce Fenner & Smith Incorporated214 N. Tryon Street, 14th FloorCharlotte, North Carolina 28255 | SunTrust BankSunTrust Robinson Humphrey, Inc.8330 Boone BoulevardVienna, Virginia 22182 | PNC Bank, National AssociationPNC Capital Markets LLC800 17th Street, N.W.Washington, DC 20006 |
|-----------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------|

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|   | BANK OF AMERICA, N.A. |                   |
|--------|-----------------------|------------------------|
|   |                  |                   |   |
|   | By:                   | /s/ Chris Busconi |   |
|   | Name:                 | Chris Busconi          |   |
|   | Title:                | Vice President         |   |
|   |                  |                   |   |

|   | MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED |                        |
|--------|--------------------------------------------------------|-----------------------------|
|   |                                                   |                        |   |
|   | By:                                                    | /s/ Matthew N. Tigwell |   |
|   | Name:                                                  | Matthew N. Tigwell          |   |
|   | Title:                                                 | Vice President              |   |
|   |                                                   |                        |   |

|   | SUNTRUST BANK |                       |
|--------|---------------|----------------------------|
|   |          |                       |   |
|   | By:           | /s/ Peter J. Mandanis |   |
|   | Name:         | Peter J. Mandanis          |   |
|   | Title:        | Senior Vice President      |   |
|   |          |                       |   |

|   | SUNTRUST ROBINSON HUMPHREY, INC. |                      |
|--------|----------------------------------|---------------------------|
|   |                             |                      |   |
|   | By:                              | /s/ Keith E. Roberts |   |
|   | Name:                            | Keith E. Roberts          |   |
|   | Title:                           | Director                  |   |
|   |                             |                      |   |

|   | PNC BANK, NATIONAL ASSOCIATION |                      |
|--------|--------------------------------|---------------------------|
|   |                           |                      |   |
|   | By:                            | /s/ Douglas T. Brown |   |
|   | Name:                          | Douglas T. Brown          |   |
|   | Title:                         | Senior Vice President     |   |
|   |                           |                      |   |

|   | PNC CAPITAL MARKETS LLC |                    |
|--------|-------------------------|-------------------------|
|   |                    |                    |   |
|   | By:                     | /s/ David R. Walsh |   |
|   | Name:                   | David R. Walsh          |   |
|   | Title:                  | Managing Director       |   |
|   |                    |                    |   |

| By:    | /s/ David Keleher                            |   |
|--------|---------------------------------------------------|--------|
| Name:  | David Keleher                                     |   |
| Title: | Senior Vice President and Chief Financial Officer |   |
|   |                                              |   |

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| Sources                    |   | Uses                                                      |   |
|----------------------------|--------|-----------------------------------------------------------|--------|
| Term Loan Facility         | $110   |                                                      |   |
| Mezzanine Facility         | $40    | Cash purchase price of the equity interests of the Target | $143   |
| Cash on Hand Consideration | $18    | Refinancing of Existing Indebtedness                      | $18    |
| Revolving Credit Facility  | $0     | Estimated fees and expenses                               | $7     |
| Total Sources              | $168   | Total Uses                                                | $168   |

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| Borrower: | Dynamics Research Corporation, a Massachusetts corporation (the “Borrower”). |
|-----------|------------------------------------------------------------------------------------------|

| Guarantors: | The obligations under the Senior Credit Facilities and under any treasury management, interest protection or other hedging arrangements entered into with a Lender (or any affiliate thereof) will be guaranteed by each existing and future direct and indirect domestic and, to the extent no material adverse tax consequences would result, foreign subsidiary of the Borrower  (collectively, the “Guarantors” and, together with the Borrower, the “Credit Parties”); provided that any subsidiary that guarantees the Mezzanine Facility shall be required to be a Guarantor.  All guarantees will be guarantees of payment and not of collection. |
|-------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Administrative Agent: | Bank of America will act as sole administrative agent (the “Administrative Agent”). |
|-----------------------|-------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| Joint Lead Arrangers andJoint Book Managers: | Merrill Lynch, Pierce, Fenner & Smith Incorporated (“MLPFS”), SunTrust Robinson Humphrey, Inc. (“STRH”) and PNC Capital Markets LLC (“PNCCM” and, collectively with STRH and MLPFS, the “Lead Arrangers”) will act as joint lead arrangers and joint book managers. |
|----------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Syndication Agents: | SunTrust and PNC will each act as a syndication agent. |
|---------------------|--------------------------------------------------------|

| Lenders: | A syndicate of financial institutions (including Bank of America, SunTrust and PNC) and institutional lenders acceptable to the Lead Arrangers and the Administrative Agent, and selected in consultation with the Borrower (collectively, the “Lenders”).  No lender or holder of obligations under the Mezzanine Facility nor any of their respective affiliates (each  a “Mezzanine Lender”) shall be permitted to be a Lender (whether on the Closing Date or via assignment), provided that a Mezzanine Lender may be a Lender only under the Term Loan Facility and the aggregate principal amount of loans held by the Mezzanine Lenders (taken as a whole) shall not exceed 20% of the aggregate outstanding principal amount of the Term Loan Facility. |
|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Senior Credit Facilities: | An aggregate principal amount of up to $130,000,000 will be available through the following facilities: |
|---------------------------|---------------------------------------------------------------------------------------------------------|

|   | Revolving Credit Facility:  $20,000,000 five-year revolving credit facility (the “Revolving Credit Facility”), which will include (a) a $5,000,000 sublimit for the issuance of standby letters of credit denominated in U.S. dollars only (each, a “Letter of Credit”) to be issued by Bank of America (in such capacity, the “Fronting Bank”) and (b) a $5,000,000 sublimit for swingline loans (each a “Swingline Loan”) that may be made available on a same day basis by Bank of America in its sole discretion.  Each Lender will purchase an irrevocable and unconditional participation in each Letter of Credit and each Swingline Loan.  The definitive documentation shall contain customary protections for the Fronting Bank and the provider of Swingline Loans with respect to Defaulting Lenders (to be defined in the definitive documentation). |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Purpose: | The proceeds of the Senior Credit Facilities shall be used (i) to finance a portion of the purchase price of the Acquisition, (ii) to finance the Refinancing, (iii) to pay fees, costs and expenses in connection with the Transactions and (iv) for working capital, capital expenditures, and other lawful general corporate purposes. |
|----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ClosingDate: | The execution of definitive loan documentation, expected to occur on or before July 29, 2011 (the “Closing Date”). |
|--------------|--------------------------------------------------------------------------------------------------------------------------------|

| InterestRates/Fees/Expenses: | As set forth in Addendum I to this Exhibit A. |
|------------------------------|-----------------------------------------------|

| Maturities: | The Revolving Credit Facility shall terminate and all amounts outstanding thereunder shall be due and payable in full five years after the Closing Date. |
|-------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Amortization: | Revolving Credit Facility:  Loans under the Revolving Credit Facility may be made on a revolving basis up to the full amount of the Revolving Credit Facility, and Letters of Credit may be issued up to the sublimit for Letters of Credit. |
|---------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Year | Percentage of the initial aggregate principal amount of theTerm Loan Facility |
|------|-------------------------------------------------------------------------------|
| 1    | 10.0%                                                                         |
| 2    | 12.5%                                                                         |
| 3    | 15.0%                                                                         |
| 4    | 15.0%                                                                         |
| 5    | 15.0%                                                                         |

| and Commitment Reductions: | In addition to the Scheduled Amortization set forth above, the following shall be applied to the prepayment of the Senior Credit Facilities first, to the Term Loan Facility (and to the principal installments thereof on a pro rata basis) and, second, to the Revolving Credit Facility: |
|----------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (a) | 50% of Excess Cash Flow (to be defined in the loan documentation), commencing with the fiscal year ending December 31, 2012; provided that no Excess Cash Flow prepayment shall be required for a fiscal year when the Consolidated Senior Leverage Ratio (as defined below) as of the end of such fiscal year is less than 1.50:1.00; |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | 100% of all net cash proceeds from sales of property and assets of the Borrower and its subsidiaries (excluding sales of inventory in the ordinary course of business and subject to other exceptions and a reinvestment provision to be agreed upon in the loan documentation); |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (c) | 50% of all net cash proceeds from the issuance of additional equity interests in the Borrower or any of its subsidiaries otherwise permitted under the loan documentation; provided that the Borrower may use cash proceeds from any such issuance of additional equity interests to concurrently prepay indebtedness outstanding under the Mezzanine Facility so long as on the date of any such prepayment (i) the Borrower is in pro forma compliance (after giving effect to such prepayment) with the financial covenants and (ii) no default or event of default has occurred and is continuing or would result from such prepayment; |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | (d) | 100% of all net cash proceeds from the issuance or incurrence after the Closing Date of additional debt of the Borrower or any of its subsidiaries (with exceptions (including for debt incurred to finance acquisitions and capital investments) to be agreed upon in the loan documentation); and |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (e) | 100% of all net cash proceeds of Extraordinary Receipts (to be defined in the loan documentation and to exclude cash receipts in the ordinary course of business). |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| Optional Prepaymentsand Commitment Reductions: | The Borrower may prepay the Senior Credit Facilities in whole or in part at any time without premium or penalty, subject to reimbursement of the Lenders’ breakage and redeployment costs in the case of prepayment of LIBOR borrowings.  Each such prepayment of the Term Loan Facility shall be applied to the principal installments thereof as directed by the Borrower.  The unutilized portion of the commitments under the Senior Credit Facilities may be irrevocably reduced or terminated by the Borrower at any time without penalty. |
|------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Security: | Each Credit Party shall grant the Administrative Agent and the Lenders valid and perfected first priority (subject to certain exceptions to be set forth in the loan documentation) liens and security interests in all of the following (collectively, the “Collateral”): |
|-----------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (a) | All present and future shares of capital stock of (or other ownership or profit interests in) each of its present and future subsidiaries (limited, in the case of each entity that is a “controlled foreign corporation” under Section 957 of the Internal Revenue Code, to a pledge of 65% of the voting capital stock and 100% of the non-voting capital stock of each such “controlled foreign  corporation” that is first-tier foreign subsidiary to the extent the pledge of any greater percentage would result in material adverse tax consequences to the Borrower). |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | All present and future intercompany debt of each Credit Party. |
|--------|-----|----------------------------------------------------------------|

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|   | (c) | All of the present and future property and assets of any Credit Party, including, but not limited to, machinery and equipment, inventory and other goods, accounts receivable, material owned real estate, fixtures, bank accounts, general intangibles, financial assets, investment property, license rights, patents, trademarks, tradenames, copyrights, chattel paper, insurance proceeds, contract rights, hedge agreements, documents, instruments, indemnifi­cation rights, tax refunds and cash. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (d) | All proceeds and products of the property and assets described in clauses (a), (b) and (c) above. |
|--------|-----|---------------------------------------------------------------------------------------------------|

| to Closing: | As set forth in Exhibit B to the Commitment Letter. |
|-------------|-----------------------------------------------------|

|   |   |
|--------|--------|

| conditions precedent toAll Extensions of Credit: | Each extension of credit under the Senior Credit Facilities will be subject to the following:  (a) all of the representations and warranties in the loan documentation shall be true and correct in all material respects (or, with respect to representations and warranties modified by materiality standards, in all respects) as of the date of such extension of credit; and (b) no event of default under the Senior Credit Facilities or incipient default shall have occurred and be continuing, or would result from such extension of credit. |
|--------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| and Warranties: | The following: (i) legal existence, qualification and power; (ii) due authorization and no contravention of law, contracts or organizational documents; (iii) governmental and third party approvals and consents; (iv) enforceability; (v) accuracy and completeness of specified financial statements and other information and no event or circumstance, either individually or in the aggregate, that has had or could reasonably be expected to have a Material Adverse Effect; (vi) no material litigation; (vii) no default (including no default on material contracts); (viii) ownership of property (including disclosure of liens, properties, leases and investments); (ix) insurance matters; (x) environmental matters; (xi) tax matters; (xii) ERISA compliance; (xiii) identification of subsidiaries, equity interests and credit parties; (xiv) use of proceeds and not engaging in business of purchasing/carrying margin stock; (xv) status under Investment |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Covenants: | The following affirmative, negative and financial covenants (in each case, with baskets and exceptions as may be agreed upon in the definitive loan documentation): |
|------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (a) | Affirmative Covenants - (i) delivery of financial statements, budgets and forecasts; (ii) delivery of certificates and other information; (iii) delivery of notices (of any default, material adverse condition, ERISA event, material change in accounting or financial reporting practices, disposition of property, sale of equity, incurrence of debt); (iv) payment of obligations; (v) preservation of existence; (vi) maintenance of properties; (vii) maintenance of insurance; (viii) compliance with laws; (ix) maintenance of books and records; (x) inspection rights; (xi) use of proceeds; (xii) covenant to guarantee obligations, give security; (xiii) compliance with environmental laws; (xiv) further assurances; (xv) compliance with terms of leaseholds; (xvi) interest rate hedging (as more fully described in the section entitled “Interest Rate Protection” below); (xvii) lien searches; (xviii) compliance with and maintenance of material contracts and licenses; (xix) compliance with and maintenance of government contracts; and (xx) designation as senior debt. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | Negative Covenants - Restrictions on (i) liens; (ii) indebtedness (including guarantees and other contingent obligations); (iii) investments (including acquisitions, loans and advances (other than the Acquisition)); (iv) mergers and other fundamental changes; (v) sales and other dispositions of property or assets; (vi) payments of dividends and other distributions; (vii) changes in the nature of business; (viii) transactions with affiliates; (ix) burdensome agreements; (x) use of proceeds; (xi) capital expenditures; (xii) amendments of organizational documents; (xiii) changes in accounting policies or reporting practices; (xiv) prepayments of other indebtedness, including the Mezzanine Facility (to the extent prohibited by the subordination terms applicable thereto); (xv) modification or termination of documents related to certain indebtedness, including the Mezzanine Facility (to the extent prohibited by the subordination terms applicable thereto); and (xvi) designation of other senior debt. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | (c) | Financial Covenants – To include the following: |
|--------|-----|-------------------------------------------------------|

|   | • | Maximum Consolidated Total Leverage Ratio (ratio of total indebtedness to EBITDA (to be defined in the definitive loan documentation), with levels to be agreed upon). |
|--------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Maximum Consolidated Senior Leverage Ratio (ratio of senior indebtedness to EBITDA, with levels to be agreed upon). |
|--------|---------|---------------------------------------------------------------------------------------------------------------------|

|   | • | Minimum Consolidated Fixed Charge Coverage Ratio (ratio of (i) EBITDA less capital expenditures to (ii) Fixed Charges (to be defined in the definitive loan documentation), with levels to be agreed upon). |
|--------|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Interest Rate Protection: | The Borrower shall obtain interest rate protection in form and with parties acceptable to the Lenders for a notional amount and otherwise on terms to be agreed in the loan documentation. |
|---------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Events of Default: | The following (with thresholds and grace periods to be agreed in the definitive loan documentation):  (i) nonpayment of principal, interest, fees or other amounts (with grace periods to be agreed for the non-payment of interest, fees and other amounts); (ii) failure to perform or observe covenants set forth in the loan documentation within a specified period of time, where customary and appropriate, after such failure; (iii) any representation or warranty proving to have been incorrect when made or confirmed in any material respect (or, with respect to representations and warranties modified by materiality standards, in any respect); (iv) cross-default to other indebtedness in an amount to be agreed; (v) bankruptcy and insolvency defaults (with grace period for involuntary proceedings); (vi) inability to pay debts; (vii) monetary judgment defaults in an amount to be agreed and material nonmonetary judgment defaults; (viii) customary ERISA defaults; (ix) actual or asserted invalidity or impairment of any loan documentation; (x) change of control (to be defined and mutually agreed upon in the definitive loan |
|--------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Events of Default: | The following (with thresholds and grace periods to be agreed in the definitive loan documentation):  (i) nonpayment of principal, interest, fees or other amounts (with grace periods to be agreed for the non-payment of interest, fees and other amounts); (ii) failure to perform or observe covenants set forth in the loan documentation within a specified period of time, where customary and appropriate, after such failure; (iii) any representation or warranty proving to have been incorrect when made or confirmed in any material respect (or, with respect to representations and warranties modified by materiality standards, in any respect); (iv) cross-default to other indebtedness in an amount to be agreed; (v) bankruptcy and insolvency defaults (with grace period for involuntary proceedings); (vi) inability to pay debts; (vii) monetary judgment defaults in an amount to be agreed and material nonmonetary judgment defaults; (viii) customary ERISA defaults; (ix) actual or asserted invalidity or impairment of any loan documentation; (x) change of control (to be defined and mutually agreed upon in the definitive loan documentation); (xi) debarment or suspension by governmental authority; (xii) invalidity or impairment of subordination provisions or assertion thereof by any Credit Party or any of its subsidiaries or affiliates; and (xiii) termination or default under |
|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Assignments andParticipations: | Revolving Credit Facility Assignments:  Subject to the consents described below (which consents will not be unreasonably withheld or delayed), each Lender will be permitted to make assignments to other financial institutions in respect of the Revolving Credit Facility in a minimum amount equal to $1,000,000 (or such lesser amount as represents the entire remaining amount of commitments under the Revolving Credit Facility held by such assigning Lender). |
|--------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Amendments: | Amendments and waivers of the provisions of the loan agreement and other definitive credit documentation will require the approval of Lenders holding loans and commitments representing more than 50% of the aggregate amount of the loans and commitments under the Senior Credit Facilities (the “Required Lenders”), except that the consent of (a) each Lender shall be required with respect to (i) the waiver of certain conditions precedent to the initial credit extension under the Senior Credit Facilities, (ii) the amendment of certain of the pro rata sharing provisions, (iii) the amendment of the voting percentages of the Lenders, (iv) the release of all or substantially all of the collateral securing the Senior Credit Facilities, and (v) the release of all or substantially all of the value of the guaranties of the Borrower’s obligations made by the Guarantors; (b) each Lender affected thereby shall be required with respect to (i) increases or extensions in the commitment of such Lender, (ii) reductions of principal, interest or fees, and (iii) extensions of scheduled maturities or times for payment and (c) the Lenders holding more than a specified percentage of the loans and commitments under one applicable facility of the Senior Credit Facilities shall be required with respect to certain other matters (including requiring the consent of Lenders holding at least 66-2/3% of the commitments under the Revolving Credit Facility in order for any amendment, consent or waiver to have the effect of permitting the conditions precedent to a drawing under the Revolving Credit Facility to be satisfied that would not otherwise be satisfied in the absence of such amendment, consent or waiver). |
|-------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Indemnification: | The Borrower will indemnify and hold harmless the Administrative Agent, each Lead Arranger, each Lender and their respective affiliates and their partners, directors, officers, employees, agents and advisors (collectively, the “Indemnified Parties”) from and against all losses, claims, damages, liabilities and expenses arising out of or relating to the Senior Credit Facilities, any other aspect of the Transactions, the Borrower’s use of loan proceeds or the commitments, including, but not limited to, reasonable attorneys’ fees (including the allocated cost of internal counsel) and settlement costs (except to the |
|------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Indemnification: | The Borrower will indemnify and hold harmless the Administrative Agent, each Lead Arranger, each Lender and their respective affiliates and their partners, directors, officers, employees, agents and advisors (collectively, the “Indemnified Parties”) from and against all losses, claims, damages, liabilities and expenses arising out of or relating to the Senior Credit Facilities, any other aspect of the Transactions, the Borrower’s use of loan proceeds or the commitments, including, but not limited to, reasonable attorneys’ fees (including the allocated cost of internal counsel) and settlement costs (except to the extent such loss, claim, damage, liability or expense is found in a final, nonappealable judgment by a court of competent jurisdiction to have resulted from such Indemnified Party’s gross negligence, willful misconduct or bad faith breach of its material obligations relating to the Senior Credit Facilities).  This |
|------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Governing Law: | State of New York. |
|----------------|--------------------|

| Other: | Each of the parties shall (i) waive its right to a trial by jury and (ii) submit to exclusive New York jurisdiction.  The loan documentation will contain customary increased cost, withholding tax, capital adequacy and yield protection, replacement of lender and Defaulting Lender (to be defined in the definitive loan documentation), including provisions relating to cash collateralization for, and/or reallocation among other Lenders of participations in, Letters of Credit in the event any lender becomes a Defaulting Lender (limited to the Defaulting Lender's pro rata reimbursement obligations in respect of Letters of Credit), as well as certain other Defaulting Lender provisions, it being understood that (a) the commitments and loans of Defaulting Lenders shall be excluded for the purpose of making a determination of Required Lenders (as defined above), (b) Defaulting Lenders will have no vote under the loan documentation, except that the commitment of Defaulting Lenders may not be increased or extended without the consent of such Defaulting Lender and any waiver, amendment or modification requiring the consent of all Lenders or each affected Lender that by its terms affects any Defaulting Lender more adversely than other affected Lenders shall require the consent of such Defaulting Lender, (c) Defaulting Lenders may be replaced by the Borrower, and (d) no Lender, for so long as it is a Defaulting Lender, shall be entitled to receive (and the Borrower shall not be obligated to pay to such Defaulting Lender) either (i) a Letter of Credit Fee (as defined below) on its pro rata share of any issued and outstanding Letter of Credit (though such Letter of Credit fee may be payable to the Fronting Bank) or (ii) a Commitment Fee (as defined below). |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| Interest Rates: | Rates and Applicable Margins:  The interest rates per annum applicable to (a) the Senior Credit Facilities (other than in respect of Swingline Loans) will be, at the option of the Borrower, (i) LIBOR plus the Applicable Margin (as defined below), or (ii) the Base Rate (as defined below) plus the Applicable Margin; and (b) each Swingline Loan will be the Base Rate plus the Applicable Margin for Base Rate loans.  As used herein: |
|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (a) | “Applicable Margin” means, for both the Term Loan Facility and the Revolving Credit Facility (including Swingline Loans), (a) until the delivery (or the time for delivery) of the compliance certificate for the fiscal quarter of the Borrower ending December 31, 2011, 4.00% per annum, in the case of LIBOR loans, and 3.00% per annum, in the case of Base Rate loans, and (b) thereafter, a percentage per annum to be determined in accordance with the Pricing Grid (as defined below) based on the Consolidated Total Leverage Ratio. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | “Base Rate” means the highest of (x) the Bank of America prime rate, (y) the Federal Funds rate plus 0.50% and (z) the floating LIBOR for an interest period of one month plus 1.00%. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Commitment Fee: | Commencing on the Closing Date, a commitment fee (the “Commitment Fee”) of 0.50% per annum shall be payable on the actual daily unused portions of the Revolving Credit Facility.  Such fee shall be payable quarterly in arrears, commencing on the first quarterly payment date to occur after the Closing Date.  Swingline Loans will not be considered utilization of the Revolving Credit Facility for purposes of this calculation. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | Letter of |
|--------|-----------|

| Credit Fees: | A participation fee on Letters of Credit (the “Letter of Credit Fee”) shall be payable on the maximum amount available to be drawn under each Letter of Credit at a rate per annum equal to the Applicable Margin from time to time applicable to LIBOR loans under the Revolving Credit Facility.  Such fees will be (a) payable quarterly in arrears, commencing on the first quarterly payment date to occur after the Closing Date, and (b) shared proportionately by the Lenders under the Revolving Credit Facility.  In addition, a fronting fee shall be payable to the Fronting Bank for its own account, in an amount and at the times set forth in the Bank of America Fee Letter. |
|--------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Pricing Grid: | The Applicable Margin and the Letter of Credit Fee shall, at the times provided, be determined in accordance with the following pricing grid (the “Pricing Grid”): |
|---------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Consolidated TotalLeverage Ratio                                 | Applicable Margin |
|------------------------------------------------------------------|-------------------|
| LIBOR Loans/Letter of Credit Fees                                | Base Rate Loans   |
| Less than 2.00 to 1.00                                           | 3.00%             | 2.00% |
| Greater than or equal to 2.00 to 1.00 but less than 3.00 to 1.00 | 3.50%             | 2.50% |
| Greater than or equal to 3.00 to 1.00                            | 4.00%             | 3.00% |

| Interest and Fees: | Other than calculations in respect of interest at the Base Rate (including the Base Rate computed by reference to the LIBOR rate) each of which shall be made on the basis of actual number of days elapsed in a 365/366 day year, all calculations of interest and fees shall be made on the basis of actual number of days elapsed in a 360 day year. |
|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Cost and Yield Protection: | Customary for transactions and facilities of this type, including, without limitation, in respect of breakage or redeployment costs incurred in connection with prepayments, changes in capital adequacy and capital requirements or their interpretation, illegality, unavailability, reserves without proration or offset and payments free and clear of withholding or other taxes. |
|----------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Expenses: | The Borrower will pay all reasonable costs and expenses of the Administrative Agent and the Lead Arrangers associated with the preparation, due diligence, administration, syndication and closing of all loan documentation (including the reasonable fees, disbursements and other charges of Winston & Strawn LLP, as counsel to MLPFS and Bank of America, and of special and local counsel to the Lenders retained by MLPFS or the Administrative Agent) regardless of whether or not the Senior Credit Facilities are closed.  The Borrower will also pay the expenses of the Administrative Agent and each Lender in connection with the enforcement of any of the loan documentation. |
|-----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| 1. | The negotiation, execution and delivery of definitive documentation with respect to the Senior Credit Facilities incorporating substantially the terms and conditions outlined in the Commitment Letter and otherwise reasonably satisfactory to the Borrower, the Lead Arrangers, the Administrative Agent and the applicable Lenders. |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2. | the Lenders shall have received satisfactory evidence that the Administrative Agent (on behalf of the Lenders) shall have a valid and perfected first priority (subject to certain exceptions to be set forth in the loan documentation) lien and security interest in the Collateral, and all filings, recordations and searches necessary or desirable in connection with the liens and security interests in the Collateral shall have been duly made; all filing and recording fees and taxes shall have been duly paid. |
|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3. | The Administrative Agent shall have received customary legal opinions (which shall expressly permit reliance by successors and assignees of the Administrative Agent and each Lender), evidence of authorization, corporate documents, insurance certificates, endorsements, or other documentation reasonably satisfactory to the Lead Arrangers, evidencing that the Administrative Agent, on behalf of the Lenders, is an additional insured or lender loss payee, as the case may be, under all insurance policies to be maintained with respect to the properties of the Credit Parties forming part of the Collateral, which policies (including the types, terms and conditions thereof) shall be reasonably satisfactory to the Administrative Agent and the Lead Arrangers and other certificates (including a certificate from the chief financial officer of the Borrower with respect to solvency (on a consolidated basis) of the Borrower and its subsidiaries after giving effect to the Transactions in form and substance reasonably satisfactory to the Administrative Agent and the Lead Arrangers). |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4. | The Borrower shall have (a) delivered to the Lead Arrangers (and the Lead Arrangers shall have received) true and correct copies of the definitive documentation for the Mezzanine Facility (including all exhibits and schedules thereto), and (b) received, or shall receive substantially concurrently with the initial borrowing under the Senior Credit Facilities, gross cash proceeds from the Mezzanine Facility in an aggregate principal amount of at least $40,000,000 on the terms set forth in the commitment letter dated as of June 2, 2011 from Ares Capital Corporation and delivered to the Administrative Agent’s counsel in an email from Joyce Hsieh at Bingham McCutchen LLP at 9:50 pm (Eastern) on June 2, 2011 (the “Mezzanine Commitment Letter”) or, |
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| 5. | The Lead Arrangers shall have received (a) a true and correct copy of the Merger Agreement (including all exhibits and schedules thereto), which shall be in form and substance reasonably satisfactory to the Lead Arrangers (it being understood and agreed that the “Execution Copy” of the Merger Agreement dated as of June 2, 2011 and delivered via email to the Administrative Agent’s counsel in an email from Frank Hamblett of Nixon Peabody LLP at 4:39 pm (Eastern) on June 1, 2011 (including the draft disclosure schedules delivered via email to the Administrative Agent’s counsel in an email from Jonathan Wolcott of Holland & Knight LLP at 11:15 am (Eastern) on May 27, 2011) but not any of the exhibits thereto) are reasonably satisfactory to the Lead Arrangers), and the Acquisition shall be consummated in accordance with the terms of the Merger Agreement, without giving effect to any amendments, modifications or waivers that, individually or in the aggregate, are material to the interests of the Lenders (as reasonably determined by the Lead Arrangers, it being understood that, without limitation, any change in the amount or form of the purchase price or the third party beneficiary rights applicable to the Lead Arrangers and Lenders shall be deemed to be material to the interests of the Lenders) unless approved in writing by each of the Lead Arrangers, and the Cash On Hand Consideration shall be paid and (b) all governmental, shareholder and third party consents and approvals necessary in connection with the Transactions and the related financings and other transactions contemplated hereby and all applicable waiting periods related thereto shall have expired without any action being taken by any authority that could restrain, prevent or impose any material adverse conditions on the Borrower, the Target or any of their respective subsidiaries or such other transactions, or that could seek or threaten any of the foregoing, and no law or regulation shall be applicable which in the reasonable judgment of the Lead Arrangers could have such effect. |
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| 6. | The Refinancing, including the payment in full of all principal, interest, fees, expenses and other amounts outstanding under or in connection with the existing indebtedness of the Borrower, its subsidiaries and the Target and its subsidiaries (with exceptions to be agreed in the definitive loan documentation) shall have been (or substantially simultaneously with the Closing Date shall be) paid in full, all commitments (if any) in respect thereof terminated and all guarantees and security therefor discharged and released. |
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| 7. | The Lead Arrangers shall have received (a) the audited consolidated balance sheets and related consolidated statements of income and cash flows of each of  Borrower and its subsidiaries and the Target and its subsidiaries, in each case for the fiscal years ended December 31, 2008, December 31, 2009 and December 31, 2010, (b) to the extent available, the unaudited consolidated balance sheets and related consolidated statements |
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| 8. | The Lead Arrangers shall have received, at least five business days prior to the Closing Date, all documentation and other information required by regulatory authorities under applicable “know your customer” and anti-money laundering rules and regulations, including, without limitation, the PATRIOT Act, that has been requested not less than ten business days prior to the Closing Date. |
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| 9. | Prior to the Syndication Assistance Termination Date, there shall be no other issues of debt securities or commercial bank or other credit facilities of the Borrower, the Target or any of their respective subsidiaries shall be announced, offered, placed or arranged (other than the Mezzanine Facility and any sale leaseback transactions and other ordinary course transactions), without the Lead Arrangers’ consent (such consent not to be unreasonably withheld or delayed). |
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| 10. | The Lead Arrangers (a) shall have been provided with the confidential information memoranda to be used in connection with the syndication of the Senior Credit Facilities at least 15 business days (excluding traditional blackout periods in the bank market) prior to the Closing Date (or such shorter time as may be agreed to by the Lead Arrangers) and (b) shall been afforded a period of at least 15 consecutive business days (excluding traditional blackout periods in the bank market) after receipt of the confidential information memoranda described in clause (a) above to syndicate the Senior Credit Facilities. |
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| 11. | There shall not have occurred any circumstance, development, event, condition, effect or change since December 31, 2010 that has had or could be reasonably expected, either individually or in the aggregate, to have a Material Adverse Effect on (a) the Borrower and its subsidiaries (taken as a whole) or (b) the Target and its subsidiaries (taken as a whole).  As used herein, “Material Adverse Effect” means with respect to any person (i) a material adverse change in, or a material adverse effect on, the operations, business, assets, properties, liabilities (actual or contingent) or financial condition of such person or such person and its subsidiaries taken as a whole; (ii) a material impairment of the rights and remedies of the Administrative Agent or any Lender under any loan documentation, or of the ability of such person to perform its obligations under any loan documentation to which it is a party or will be a party; or (iii) a material adverse effect upon the legality, validity, binding effect or enforceability against such person of any loan documentation to which it is, or will be, a party. |
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| 12. | The closing of the Senior Credit Facilities shall have occurred on or before July 29, 2011. |
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| 13. | Payment of all fees and expenses due to the Lead Arrangers, the Administrative Agent and the Lenders required to be paid on the Closing Date (including the fees and expenses of counsel (including any special or local counsel) for MLPFS and Bank of America). |
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| 14. | The absence of any action, suit, investigation or proceeding pending or, to the knowledge of the Borrower, threatened in any court or before any arbitrator or governmental authority that could reasonably be expected to have a Material Adverse Effect. |
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