Document:

exv10w17

EXHIBIT 10.17

SEVENTEENTH AMENDMENT TO LOAN AND SECURITY AGREEMENT

     THIS SEVENTEENTH AMENDMENT TO LOAN AND SECURITY AGREEMENT (this “Amendment”) is entered into
as of the 25th day of June, 2008 by and among the banks that are or may from
time to time become parties hereto (individually a “Bank” and collectively, the “Banks”), LASALLE
BANK NATIONAL ASSOCIATION, a national banking association (in its individual capacity, “LaSalle”),
as agent (“Agent”) for the Banks, and SIGMATRON INTERNATIONAL, INC., a Delaware corporation (the
“Borrower”).

W I T N E S S E T H:

     WHEREAS, Agent, the Banks and Borrower are parties to that certain Loan and Security Agreement
dated as of August 25, 1999 (the “Original Agreement”), as amended by that certain Amendment to
Loan and Security Agreement dated as of August 31, 2000, that certain Forbearance Agreement and
Second Amendment to Loan and Security Agreement dated as of February 1, 2001, that certain
Forbearance Agreement and Third Amendment to Loan and Security Agreement dated as of May 31, 2001,
that certain Forbearance Agreement and Fourth Amendment to Loan and Security Agreement dated as of
July 31, 2001, that certain Fifth Amendment to Loan and Security Agreement dated as of November 30,
2001, that certain Sixth Amendment to Loan and Security Agreement dated as of April 22, 2002, that
certain Seventh Amendment to Loan and Security Agreement dated as of October 16, 2002, that certain
Eighth Amendment to Loan and Security Agreement dated as of February 19, 2004, that certain Ninth
Amendment to Loan and Security Agreement dated as of March 11, 2005, that certain Tenth Amendment
to Loan and Security Agreement dated as of July 14, 2005, that certain Eleventh Amendment to Loan
and Security Agreement dated as of September 12, 2005, that certain Twelfth Amendment to Loan and
Security Agreement dated as of July 31, 2006, that certain Thirteenth Amendment to Loan and
Security Agreement dated as of October 20, 2006, that certain Fourteenth Amendment to Loan and
Security Agreement dated as of January 31, 2007, that certain Fifteenth Amendment to Loan and
Security Agreement dated as of April 30, 2007 and that certain Sixteenth Amendment to Loan and
Security Agreement dated as of March 30, 2008 (the Original Agreement and all of the foregoing
amendments are collectively referred to as the “Agreement”); and

     WHEREAS, the Borrower and the Banks have agreed to further amend the Agreement to modify
certain provisions of the Agreement as set forth herein.

     NOW, THEREFORE, for and in consideration of the premises and mutual agreements herein
contained and for the purposes of setting forth the terms and conditions of this Amendment, the
parties, intending to be bound, hereby agree as follows:

     1. Incorporation of the Agreement. All capitalized terms which are not defined
hereunder shall have the same meanings as set forth in the Agreement, and the Agreement, to the
extent not inconsistent with this Amendment, is incorporated herein by this reference as though the
same were set forth in its entirety. To the extent any terms and provisions of the Agreement are
inconsistent with the amendments set forth in Paragraph 2 below, such terms and provisions

 

 

shall be deemed superseded hereby. Except as specifically set forth herein, the Agreement
shall remain in full force and effect and its provisions shall be binding on the parties hereto.

     2. Amendment of the Agreement.

          (a) The definition of the terms “Bank Product Agreements”, “Bank Product
Obligations”, “Bank Products”, “Hedging Agreement”, and “Hedging
Obligation” are hereby added to Paragraph 1.1 of the Agreement to read as follows:

     “Bank Product Agreements” shall mean those certain agreements entered
into from time to time by the Borrower or any Subsidiary with the Bank or any
Affiliate of the Bank concerning Bank Products.

     “Bank Product Obligations” shall mean all obligations, liabilities,
contingent reimbursement obligations, fees, and expenses owing by the Borrower or
any Subsidiary to the Bank or any Affiliate of the Bank pursuant to or evidenced by
the Bank Product Agreements and irrespective of whether for the payment of money,
whether direct or indirect, absolute or contingent, due or to become due, now
existing or hereafter arising.

     “Bank Products” shall mean any service or facility extended to the
Borrower or any Subsidiary by the Bank or any Affiliate of the Bank, including:
(a) credit cards, (b) credit card processing services, (c) debit cards, (d) purchase
cards, (e) ACH Transactions, (f) cash management, including controlled disbursement,
accounts or services, or (g) Hedging Agreements.

     “Hedging Agreement” shall mean any interest rate, currency or commodity
swap agreement, cap agreement or collar agreement, and any other agreement or
arrangement designed to protect a Person against fluctuations in interest rates,
currency exchange rates or commodity prices.

     “Hedging Obligation” shall mean, with respect to any Person, any
liability of such Person under any Hedging Agreement.

          (b) The definition of the terms “Borrower’s Liabilities” and “Maturity Date”
appearing in Paragraph 1.1 of the Agreement are hereby amended and restated to read as
follows:

     “Borrower’s Liabilities” means all obligations and liabilities of
Borrower in the aggregate to Bank (including, without limitation, all debts, claims,
reimbursement obligations, Hedging Obligations, Bank Product Obligations and
indebtedness) whether primary, secondary, direct, contingent, fixed or otherwise,
heretofore, now and/or from time to time hereafter owing, due or payable, however
evidenced, created, incurred, acquired or owing and however arising, whether under
this Agreement, the Other Agreements, Bank Product Agreements or Hedging Agreements,
or by oral agreement or operation of law or otherwise.

     Maturity Date” means (i) September 30, 2010 with respect to all
Revolving Loans and (ii) June 30, 2011 with respect to the Term Loan.

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          (c) Paragraphs 11.2(f)(v) and (vi) of the Agreement are hereby amended and restated to
read as follows:

     (v) Not permit the aggregate amount of Capital Expenditures to exceed
$3,500,000 in any fiscal year (excluding any Capital Expenditures associated with
Sigmatron’s plant located in China).

     (vi) Maintain EBITDA of not less than $7,000,000 measured quarterly on a
rolling twelve month basis.

     3. Consent. Pursuant to the request of the Borrower, Agent and each of the Banks
hereby consent to, and waive any Event of Default arising or occurring under
Paragraphs 11.3(a),  11.3(b)(iv), 11.3(e) and 11.3(i) of the Loan
Agreement as a result of (i) the purchase by the Borrower or its Subsidiary of certain real estate
located in Acuna, Mexico (the “Acuna Real Estate”) and (ii) the incurrence of $1,000,000 in
indebtedness to finance said real estate which shall be subject to the following conditions.

          (a) No Event of Default exists or would be caused by the purchase of the Acuna Real Estate;

          (b) The aggregate purchase price for the Acuna Real Estate shall not exceed $1,000,000; (the
“Acuna Debt”);

          (c) The Acuna Debt will be secured solely by the Acuna Real Estate and no other assets of the
Borrower; and

          (d) The Borrower shall provide the Bank with certified copies of all operative documents
evidencing the purchase of the Acuna Real Estate promptly upon the closing of the Purchase.

     The Borrower hereby acknowledges that the waiver contained in this Amendment is granted by
Agent and the Banks only for the limited purpose set forth herein and each term and provision of
the Agreement continues in full force and effect. The waiver in no manner creates a course of
dealing or otherwise impairs the future ability of the Agent or the Banks to declare an Event of
Default under or otherwise enforce the terms of the Agreement.

     4. Representations and Warranties. The representations and warranties set forth in
the Agreement and all covenants set forth in the Agreement shall be deemed remade and affirmed as
of the date hereof by Borrower, except any and all references to the Agreement in such
representations, warranties and covenants shall be deemed to include this Amendment. Borrower
hereby expressly reaffirms, reinstates and assumes (on the same basis as set forth in the
Agreement) all of the obligations and liabilities to the Agent as set forth in the Agreement and
this Amendment, and agrees to be bound by and abide by and operate and perform under and pursuant
to and comply fully with all of the terms, conditions, provisions, agreements, representations,
undertakings, warranties, guarantees, indemnities, grants of security interest and covenants
contained in the Agreement. Borrower also acknowledges and reaffirms that the Agreement, as
amended by this Amendment, is in full force and effect and that no defenses exist as of the date of
this Amendment to Borrower’s full compliance with the Agreement, as amended

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by this Amendment. Borrower hereby acknowledges that the security interests granted in the
Agreement constitute a valid continuing first Lien in and to the Collateral. No Event of Default
has occurred and is continuing and no event has occurred and is continuing which, with the lapse of
time, the giving of notice, or both, would constitute such an Event of Default under the Agreement.

     5. Delivery of Documents/Information. Prior to entering into this Amendment, Agent
shall have received from the Borrower the following fully executed documents, in form and substance
satisfactory to Agent and each Bank, and all of the transactions contemplated by each such document
shall have been consummated or each condition contemplated by each such document shall have been
satisfied:

          (a) this Amendment;

          (b) Substitute Revolving Notes in favor of each Bank; and

          (c) such other document and certificates as Agent may request.

     6. Reference to the Effect on the Agreement.

          (a) References. Upon the date of this Amendment and on and after the date hereof,
each reference in the Agreement to “this Agreement,” “hereunder,” “hereof,” “herein” or words of
like import shall mean and be a reference to the Agreement, as amended hereby.

          (b) Ratification. As specifically modified above, the Agreement and all other
documents, instruments and agreements executed and/or delivered in connection therewith shall
remain in full force and effect, and are hereby ratified and confirmed.

     7. Representations and Warranties of the Borrower. Borrower hereby represents and
warrants to Agent and the Banks as of the date hereof as follows:

          (a) The execution and delivery of this Amendment and the performance by Borrower of its
obligations hereunder are within Borrower’s powers and authority, have been duly authorized by all
necessary corporate action and do not and will not contravene or conflict with the Certificate of
Incorporation or By-laws of Borrower.

          (b) The Agreement (as amended by this Amendment) and the Other Agreements constitute legal,
valid and binding obligations enforceable in accordance with their terms by Agent and the Banks
against Borrower, and Borrower expressly reaffirms each of its obligations under the Agreement (as
amended by this Amendment) and each of the Other Agreements, including, without limitation,
Borrower’s Liabilities. Borrower further expressly acknowledges and agrees that Agent has a valid,
duly perfected, first priority and fully enforceable security interest in and lien against each
item of Collateral except as otherwise set forth in the Agreement. Borrower agrees that it shall
not dispute the validity or enforceability of the Agreement (as it was stated before and after this
Amendment) or any of the Other Agreements or any of its respective obligations thereunder, or the
validity, priority, enforceability or extent of Agent’s security interest in or lien against any
item of Collateral, in any judicial, administrative or other proceeding;

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          (c) No consent, order, qualification, validation, license, approval or authorization of, or
filing, recording, registration or declaration with, or other action in respect of, any
governmental body, authority, bureau or agency or other Person is required in connection with the
execution, delivery or performance of, or the legality, validity, binding effect or enforceability
of, this Amendment; and

          (d) The execution, delivery and performance of this Amendment by Borrower does not and will
not violate any law, governmental regulation, judgment, order or decree applicable to Borrower and
does not and will not violate the provisions of, or constitute a default or any event of default
under, or result in the creation of any security interest or lien upon any property of Borrower
pursuant to, any indenture, mortgage, instrument, contract, agreement or other undertaking to which
Borrower is a party or is subject or by which Borrower or any of its real or personal property may
be bound.

     8. Releases; Indemnities.

          (a) In further consideration of the Banks’ execution of this Amendment, Borrower, and on
behalf of its successors, assigns, subsidiaries and Affiliates, hereby forever releases Agent and
each Bank and their respective successors, assigns, parents, subsidiaries, Affiliates, officers,
employees directors, agents and attorneys (collectively, the “Releasees”) from any and all debts,
claims, demands, liabilities, responsibilities, disputes, causes, damages, actions and causes of
action (whether at law or in equity) and obligations of every nature whatsoever, whether liquidated
or unliquidated, known or unknown, matured or unmatured, fixed or contingent (collectively,
“Claims”), that Borrower may have against the Releasees which arise from or relate to any actions
which the Releasees may have taken or omitted to take prior to the date this Amendment was
executed, including without limitation with respect to Borrower’s Liabilities, any Collateral, the
Agreement, any Other Agreement and any third parties liable in whole or in part for Borrower’s
Liabilities. This provision shall survive and continue in full force and effect whether or not
Borrower shall satisfy all other provisions of this Amendment, the Other Agreements or the
Agreement, including payment in full of Borrower’s Liabilities.

          (b) Borrower hereby agrees that its obligation to indemnify and hold the Releasees harmless as
set forth in Paragraph 8(a) of this Amendment shall include an obligation to indemnify and
hold the Releasees harmless with respect to any and all liabilities, obligations, losses,
penalties, actions, judgments, suits, costs, expenses or disbursements of any kind or nature
whatsoever incurred by the Releasees, or any of them, whether direct, indirect or consequential, as
a result of or arising from or relating to any proceeding by, or on behalf of, any Person,
including, without limitation, officers, directors, agents, trustees, creditors, partners or
shareholders of Borrower, whether threatened or initiated, asserting any claim for legal or
equitable remedy under any statute, regulation or common law principle arising from or in
connection with the negotiation, preparation, execution, delivery, performance, administration and
enforcement of this Amendment or any other document executed in connection herewith. The foregoing
indemnity shall survive the payment in full of the Borrower’s Liabilities and the termination of
this Amendment, the Agreement and the Other Agreements.

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     9. Fees and Expenses. Borrower agrees to pay on demand all costs, fees and expenses
of or incurred by the Agent in connection with the evaluation, negotiation, preparation, execution
and delivery of this Amendment and the other instruments and documents executed and delivered in
connection with the transactions described herein (including the filing or recording thereof),
including, but not limited to, the reasonable fees and expenses of counsel for the Agent, search
fees and taxes payable in connection with this Amendment and any future amendments to the
Agreement.

     10. Counterparts. This Amendment may be executed in two or more counterparts, each of
which shall be deemed an original, and all of which together shall constitute one and the same
instrument.

[SIGNATURE PAGE FOLLOWS]

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(Seventeenth Amendment to Loan and Security Agreement Signature Page)

     IN WITNESS WHEREOF, the parties hereto have duly executed this Seventeenth Amendment to Loan
and Security Agreement as of the date first above written.

	 	 	 	 	 
	 	SIGMATRON INTERNATIONAL, INC.

 	 
	 	By:  	/s/ Linda K. Blake
 	 
	 	Its: 	 Chief Financial Officer 	 
	 	 	 	 
	 

	 	 	 	 	 
	 	LASALLE BANK NATIONAL
 ASSOCIATION, for itself and as Agent

 	 
	 	By:  	/s/ Eileen Roethler
 	 
	 	Its: 	 Vice President 	 
	 	 	 	 
	 

	 	 	 	 	 
	 	NORTH SHORE COMMUNITY BANK & 
TRUST, as a Bank

 	 
	 	By:  	/s/ Thomas E. Fredricksen
 	 
	 	Its: 	 Vice Presidentexv4w2

Exhibit 4.2

ROADRUNNER DAWES, INC.

SECOND AMENDED AND RESTATED

STOCKHOLDERS’ AGREEMENT

     THIS
SECOND AMENDED AND RESTATED STOCKHOLDERS’ AGREEMENT is made as
of this 14th day of March,
2007, by and among (i) Roadrunner Dawes, Inc., a Delaware corporation (the “Company”); (ii)
Thayer Equity Investors V, L.P., a Delaware limited partnership (“Thayer”); (iii) Sankaty
Credit Opportunities, L.P., (“COPS”); (iv) Sankaty Credit Opportunities II, L.P. (“COPS
II”); (v) RGIP, LLC (“RGIP”); (vi) Eos Capital Partners III, L.P. (“Eos”);
(vii) Eos Partners, L.P. (“Eos II”); (viii) American Capital Strategies, Ltd.
(“ACAS”), (ix) American Capital Equity I, LLC (“American Capital”), (x) TC
Roadrunner-Dawes Holdings, L.L.C. (“Roadrunner Dawes Co-Invest”); (xi) TC Sargent Holdings,
L.L.C. (“Sargent Co-Invest”); and (xii) K&E Investment Partners, L.P. — 2005 DIF
(“K&E”).

Recitals

     A. Thayer, COPS, COPS II, RGIP, Eos, Eos II, ACAS, American Capital and Roadrunner Dawes
Co-Invest (collectively the “Existing Roadrunner Dawes Stockholders”), the holders of an
aggregate 1,892 shares of the Company’s Class B Common Stock (as hereinafter defined) and 80,658
shares of the Company’s Class A Common Stock (as hereinafter defined), together with the Company,
are parties to that certain Amended and Restated Stockholders’ Agreement dated as of June 6, 2005
(as amended, the “Existing Roadrunner Dawes Stockholders’ Agreement”).

     B. The Company and Thayer are also parties to various Subscription and Stockholders’
Agreements with the holders of an aggregate of approximately 1,865 shares of the Company’s Class A
Common Stock.

     C. Pursuant to that certain Agreement and Plan of Merger, dated as of March ___, 2007 (the
“Merger Agreement”), among the Company, Sargent Transportation, LLC (“Acquisition
Sub”), and Sargent Transportation Group, Inc., a Delaware corporation (“Sargent”), (i)
Sargent will be merged with and into Acquisition Sub (the “Merger”), and (ii) Thayer,
Sargent Co-Invest and K&E (collectively the “Existing Sargent Stockholders”) will receive
an aggregate of 16,904.5 newly issued shares of the Company’s Class A Common Stock.

     D. The Existing Sargent Stockholders, together with Sargent, are parties to (i) that certain
Stockholders Agreement, dated as of October 4, 2006 (the “Sargent Stockholders Agreement”),
and (ii) that certain Registration Rights Agreement, dated as of October 4, 2006 (the “Sargent
Registration Rights Agreement”).

     E. The parties hereto desire that, upon the effectiveness of the Merger, (i) the Sargent
Stockholders Agreement and the Sargent Registration Rights Agreement be terminated, (ii) the
Existing Stockholders join and become bound by this Agreement, and (iii) the Existing Roadrunner
Dawes Stockholders’ Agreement be amended and restated to read in its entirety as set forth herein.

     F. The Existing Roadrunner Dawes Stockholders not Affiliated with Thayer also desire to
evidence their approval of the Merger pursuant to Section 9 of the Existing Roadrunner Dawes
Stockholders’ Agreement.

     G. Schedule 1 hereto sets forth the outstanding capital stock of the Company
immediately after the Merger.

     H. The directors of the Company, having considered the provisions of this Agreement, have
resolved that, in their opinion, the restrictions upon the transfer of the Shares, and the
establishment of
rights and obligations upon the occurrence of certain events, all as hereinafter set forth,
are in the best interest of the Company and its stockholders.

 

 

Agreement

     NOW THEREFORE, in consideration of the mutual covenants contained in this Agreement, the
parties hereto agree that effective upon the consummation of the Merger, the Existing Roadrunner
Dawes Stockholders’ Agreement is amended and restated in its entirety to read as follows:

     1. Interpretation of this Agreement.

          (a) Terms Defined. As used in this Agreement, the following terms when used in this
Agreement have the meanings set forth below:

          “10% Holder” shall have the meaning given it in Section 9 of this Agreement.

          “ACAS” shall have the meaning given to it in the first sentence of this Agreement.

          “ACAS Representative” shall have the meaning given to it in Section 2(d) of
this Agreement.

          “ACAS Stockholder” means each of ACAS and American Capital and shall include any
transferees of Shares held by ACAS or American Capital other than the Company, Thayer or its
Affiliates, Sankaty or its Affiliates and Eos and its Affiliates (collectively the “ACAS
Stockholders”).

          “Acquisition Sub” shall have the meaning given to it in the recitals to this
Agreement.

          “Affiliate” means, as to any Person, any other Person which, directly or indirectly,
is in control of, is controlled by or is under common control with, such Person. A Person shall be
deemed to control another Person if the controlling Person possesses, directly or indirectly, the
power to direct or cause the direction of the management and policies of the other Person, whether
through the ownership of voting securities, by contract or otherwise. Without limitation, any
director, executive officer of beneficial owner of ten percent (10%) or more of the equity of a
Person shall for the purposes of this Agreement, be deemed to control the other Person;
provided, however, that except with respect to Section 9, a portfolio
company or portfolio investment owned by an Investor Stockholder, Thayer or any of their respective
affiliates shall not be deemed an “Affiliate” of such Investor Stockholder, Thayer or any of their
respective affiliates for purposes of this Agreement.

          “Agreement” means this Amended and Restated Stockholders’ Agreement, as amended,
modified or supplemented from time to time.

          “American Capital” shall have the meaning given to it in the first sentence of this
Agreement.

          “Applicable Percentage” shall mean the fraction (expressed as a percentage), the
numerator of which is the aggregate number of shares of Common Stock owned by each Investor
Stockholder and the denominator of which is the aggregate number of shares of Common Stock owned by
the Investor Stockholders, the Thayer Stockholders, and all other Persons subject to an agreement
that provides such Persons with “tag along” rights comparable to those set forth in Section
6 hereof.

          “Authorization Period” shall have the meaning given to it in Section 3(b) of
this Agreement.

          “Board” means the Board of Directors of the Company.

          “Buyer” shall have the meaning given to it in Section 5(a) of this Agreement.

          “Class A Common Stock” means the Company’s voting class A common stock, par value
$0.01 per share.

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          “Class B Common Stock” means the Company’s non-voting class B common stock, par value
$0.01 per share.

          “Common Stock” means the Class A Common Stock and the Class B Common Stock.

          “Company” shall have the meaning given to it in the first sentence of this Agreement.

          “Company Information” means Confidential Information and Trade Secrets.

          “Confidential Information” means confidential data and confidential information
relating to the business of the Company or any of its Subsidiaries (which does not rise to the
status of a Trade Secret under applicable law) which is or has been disclosed to the Investor
Stockholders or of which the Investor Stockholders became aware in connection with or as a
consequence of their investment in the Company and which has value to the Company. Confidential
Information shall not include any data or information that (i) is or becomes generally available to
the public through no act or omission of the Investor Stockholders, (ii) is obtained by the
Investor Stockholders in good faith from a third party who discloses such information to the
Investor Stockholders on a non-confidential basis without violating any obligation of
confidentiality or secrecy relating to the information disclosed, or (iii) is independently
developed by the Investor Stockholders without use of Confidential Information or Trade Secrets.

          “COPS” and “COPS II” shall have the meaning given to them in the first
sentence of this Agreement.

          “Demand Registration” shall have the meaning given to it in Section 8(a) of
this Agreement.

          “Drag-Along Notice” shall have the meaning given to it in Section 5(b) of this
Agreement.

          “Eligible Employee Issuance” means an issuance of options to acquire common stock of
the Company pursuant to any equity incentive plan or plans approved by the Board up to an aggregate
number of shares equal to 18% of the Company’s fully diluted share ownership as of the date hereof.

          “Eos” and “Eos II” shall have the meaning given to them in the first sentence
of this Agreement.

          “Eos Representatives” shall have the meaning given to it in Section 2(d) of
this Agreement.

          “Eos Stockholder” means each of Eos and Eos II (collectively the “Eos
Stockholders”) and shall include any transferees of Shares held by the Eos Stockholders other
than the Company, Thayer or its Affiliates, Sankaty or its Affiliates and ACAS and its Affiliates.

          “Exempt Issuance” means an issuance of New Stock or New Securities by the Company:

               (i) as a pro rata stock dividend or other distribution in respect of, or upon any subdivision
or combination of, the Company’s capital stock as a result of which there is no change in the
relative ownership interest or rights of the holders of the Company’s capital stock;

               (ii) to any employee of the Company or one of its Subsidiaries pursuant to an Eligible
Employee Issuance or an additional 5% of the Company’s fully diluted share ownership as of the date
hereof for sale to employees;

               (iii) in connection with any transfer to the public pursuant to a Qualified Public Offering;

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               (iv) in connection with the acquisition by the Company or any of its Subsidiaries of any
Person or business approved by the Board; and

               (v) in connection with equipment or debt financing or leases (including securities issued in
consideration of guarantees of such financing or such leases), not to exceed 5% in the aggregate of
the outstanding capital stock of the Company as of the date hereof.

          “Exempt Transfers” shall have the meaning given to it in Section 3(a) of this
Agreement.

          “Existing Roadrunner Dawes Stockholders’ Agreement” shall have the meaning given to it
in the recitals to this Agreement.

          “Existing Roadrunner Dawes Stockholders” shall have the meaning given to it in the
recitals to this Agreement.

          “Existing Sargent Stockholders” shall have the meaning given to it in the recitals to
this Agreement.

          “Independent Third Party” means any Person who, prior to the occurrence of a Liquidity
Event, does not own in excess of 5% of the Company’s Common Stock on a fully diluted basis, who is
not controlling, controlled by or under common control with any such 5% owner of the Company’s
Common Stock and who is not the spouse, ancestor or descendant (by birth or adoption) of any such
5% owner of the Company’s Common Stock.

          “Investor Stockholders” means the ACAS Stockholders, the Eos Stockholders, the Sankaty
Stockholders and K&E, and each individually an “Investor Stockholder.”

          “K&E” shall have the meaning given to it in the first sentence of this Agreement.

          “Liquidity Event” means any one or more of the following events: (a) any voluntary or
involuntary liquidation, dissolution or winding up of the Company, other than any dissolution or
winding up in connection with any reincorporation of the Company in another jurisdiction, or (b)
the Sale of the Company.

          “Management Agreement” shall mean the Amended and Restated Management and Consulting
Agreement, dated on or about the date hereof, among Thayer Capital Management, L.P., Eos
Management, Inc., and the Company’s operating Subsidiaries, in the form attached as Exhibit
E to the Merger Agreement, as amended, modified or supplemented from time to time.

          “Merger Agreement” shall have the meaning given to it in the recitals to this
Agreement.

          “Merger” shall have the meaning given to it in the recitals to this Agreement.

          “New Securities” shall have the meaning given to it in Section 7(a) of this
Agreement.

          “New Stock” shall have the meaning given to it in Section 7(a) of this
Agreement.

          “Notice of Transfer” shall have the meaning given to it in Section 6(b) of
this Agreement.

          “Other Stockholders” means any holder of Common Stock other than the Thayer
Stockholders or the Investor Stockholders.

          “Person” means an individual, a partnership, a corporation, a limited liability
company, an association, a joint stock company, a trust, a joint venture, an unincorporated
organization and a governmental entity or any department, agency or political subdivision thereof.

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          “Preemptive Rights Notice” shall have the meaning given to it in Section 7(a)
of this Agreement.

          “Qualified Public Offering” means the underwritten public sale of Common Stock
pursuant to a registration statement that has become effective under the Securities Act, the net
proceeds of which sale to the Company are at least $25 million.

          “Registration Expenses” shall have the meaning given to it in Section 8(f) of
this Agreement.

          “Restricted Affiliate” shall have the meaning given to it in Section 9 of this
Agreement.

          “RGIP” shall have the meaning given to it in the first sentence of this Agreement.

          “Roadrunner Dawes Co-Invest” shall have the meaning given to it in the first sentence
of this Agreement.

          “Sale Notice” shall have the meaning given to it in Section 3(b) of this
Agreement.

          “Sale of the Company” shall mean (a) the sale of all, or substantially all, of the
Company’s consolidated assets in any single transaction or series of related transactions to an
Independent Third Party or a group of affiliated Independent Third Parties; (b) the sale or
issuance, or series of related sales or issuances, of Common Stock possessing the ordinary voting
power (on a fully diluted basis) to elect a majority of the Board to an Independent Third Party or
a group of affiliated Independent Third Parties; (c) the consummation of a Qualified Public
Offering; or (d) any merger or consolidation of the Company with or into another corporation or
other business entity (regardless of which entity is the surviving corporation) if, after giving
effect to such merger or consolidation the holders of the Company’s voting securities (on a fully
diluted basis) immediately prior to the merger or consolidation own voting securities of the
surviving or resulting corporation or other business entity representing less than a majority of
the ordinary voting power to elect directors of the surviving or resulting corporation (on a fully
diluted basis).

          “Sankaty Stockholder” means each of COPS, COPS II and RGIP (collectively the
“Sankaty Stockholders”) and shall include any transferees of Shares held by the Sankaty
Stockholders other than the Company, Thayer or its Affiliates, Eos or its Affiliates and ACAS or
its Affiliates.

          “Sargent” shall have the meaning given to it in the recitals to this Agreement.

          “Sargent Co-Invest” shall have the meaning given to it in the first sentence of this
Agreement.

          “Sargent Registration Rights Agreement” shall have the meaning given to it in the
recitals to this Agreement.

          “Sargent Stockholders Agreement” shall have the meaning given to it in the recitals to
this Agreement.

          “SEC” shall have the meaning given to it in Section 8(c) of this
Agreement.

          “Securities Act” means the Securities Act of 1933, as amended.

          “Shares” shall mean all shares of Common Stock, and all securities exercisable for,
convertible into or exchangeable for Common Stock. For purposes of this Agreement: (i) each Person
shall be deemed to own or control that number of shares of Common Stock then directly or indirectly
owned or controlled by such Person, plus that number of shares of Common Stock into or for which
any securities then directly or indirectly owned or controlled by such Person are then, directly or
indirectly,

5

 

convertible, exercisable or exchangeable; and (ii) references in this Agreement to
“shares” other than Common Stock shall be deemed to refer to the number of shares of Common Stock
into or for which any securities then directly or indirectly owned or controlled by the applicable
Person are then, directly or indirectly, convertible, exercisable or exchangeable. Except as
expressly provided herein, all Shares will continue to be Shares in the hands of any transferee of
any Person, other than (x) the Company, (y) Thayer and/or any of its Affiliates, and (z) purchasers
pursuant to an offering registered with the Securities and Exchange Commission pursuant to the
Securities Act or purchasers pursuant to a public sale through a market-maker, broker or dealer
under Rule 144 (or any successor rule) promulgated under the Securities Act.

          “Subsidiary” when used with respect to any Person means any other Person, whether
incorporated or unincorporated, of which (a) more than 50% of the securities or other ownership
interests or (b) securities or other interests having by their terms ordinary voting power to elect
more than 50% of the board of directors or others performing similar functions with respect to such
corporation or other organization, is directly owned or controlled by such Person or by any one or
more of its Subsidiaries; provided, however, except with respect to Section
9, that a portfolio company or portfolio investment owned by an Investor Stockholder, Thayer or
any of their respective affiliates shall not be deemed a “Subsidiary” of such Investor Stockholder,
Thayer or any of their respective affiliates for purposes of this Agreement.

          “Thayer” shall have the meaning given to it in the first sentence of this Agreement.

          “Thayer Stockholder” means each of Thayer, Roadrunner Co-Invest and Sargent Co-Invest
(collectively the “Thayer Stockholders”) and shall include any transferee of Shares held by
the Thayer Stockholders which is an Affiliate of Thayer.

          “Trade Secrets” means information of the Company and its Subsidiaries including, but
not limited to, technical or nontechnical data, formulae, methods, programs, financial data,
financial plans, product or service plans or lists of actual or potential customers or suppliers
which (i) derives economic value, actual or potential, from not being generally known to, and not
being readily ascertainable by proper means by, other persons who can obtain economic value from
its disclosure or use, and (ii) is the subject of efforts that are reasonable under the
circumstances to maintain its secrecy.

          “Transferring Stockholder” shall have the meaning given to it in Section 3(b)
of this Agreement.

          “Transfer Shares” shall have the meaning given to it in Section 3(b) of this
Agreement.

          “Wholly-Owned Subsidiary” means any Subsidiary in which (other than directors’
qualifying shares required by law) one hundred percent (100%) of equity securities, at the time as
of which any determination is being made, is owned, beneficially and of record, by the Company, or
by one or more of the other Wholly-Owned Subsidiaries, or both.

          (b) Interpretation. Wherever from the context it appears appropriate, each term
stated in either the singular or plural shall include the singular and the plural, and pronouns
stated in masculine, feminine or neuter gender shall include the masculine, feminine and the
neuter.

     2. Information Rights.

          (a) Information Rights. As long as (i) COPS and COPS II, (ii) Eos and Eos II, or
(iii) ACAS and American Capital own at least 20% of the aggregate number of Shares held by such
Investor
Stockholders as of the date hereof, such Investor Stockholders shall (as applicable) severally
be entitled to receive, and the Company shall deliver to such Investor Stockholder, at the times
specified, the following reports:

6

 

               (i) as soon as available, and in any event within thirty (30) days after the end of each
month, commencing July 2007, a consolidated balance sheet for the Company as of the end of such
month and the related consolidated statements of income for the month and year to date;

               (ii) as soon as practicable, but in any event within sixty (60) days after the end of each of
the first three (3) quarters of each fiscal year of the Company, (x) an unaudited consolidated
profit or loss statement for such fiscal quarter, a consolidated unaudited balance sheet as of the
end of such fiscal quarter, and an unaudited statement of consolidated cash flows for such quarter,
and (y) if otherwise prepared for any purpose, a management’s discussion and analysis of the
Company’s results of operations for such quarter.

               (iii) as soon as available, but not later than one hundred and five (105) days after the end
of such fiscal year, a consolidated balance sheet of the Company as of the end of such fiscal year
and the related consolidated statements of income, stockholders’ equity and cash flows for the
fiscal year then ended, prepared in accordance with U.S. generally accepted accounting principles
and audited by a recognized firm of independent public accountants selected by the Board;

               (iv) promptly upon sending, making available or mailing the same, all press releases, reports
and financial statements that the Company sends or makes available generally to its stockholders
and/or creditors;

               (v) promptly after the commencement thereof, notice of all actions, suits, claims,
proceedings, investigations and inquiries that are likely to materially adversely affect the
Company;

               (vi) promptly after receipt thereof, notice of all “Events of Default” under the Company’s
senior and/or subordinated loan agreements;

               (vii) as soon as available and in any event no later than thirty (30) days after the last day
of each fiscal year of the Company, projections of the Company’s (and its Subsidiaries’)
consolidated financial performance for the then current fiscal year on a month by month basis; and

               (viii) promptly, from time to time, such other material information regarding the business,
prospects, financial condition, operations, property or affairs of the Company and its Subsidiaries
as such Investor Stockholder reasonably may request.

               Each Investor Stockholder which qualifies as a “Venture Capital Operating Company” shall have
the right to consult with and advise Thayer and, subject to the approval of Thayer (which approval
shall not be unreasonably withheld) the other management of the Company and its Subsidiaries, upon
reasonable notice at any time and from time to time, on all matters relating to the operation of
the Company and its Subsidiaries.

          (b) Confidentiality. Except as required by applicable law (including regulations
promulgated thereunder) or court order, the Investor Stockholders (i) will receive and hold all
Company Information in strictest confidence, (ii) will use reasonable care to protect the Company
Information from improper disclosure, and (iii) will not, directly or indirectly, use or disclose
any Company Information except in the interest of and for the benefit of the Company. The
provisions of this Section 2(b)(ii) shall survive the termination of this Agreement (x) for
a period of 18 months with respect to Confidential Information, and (y) with respect to Trade
Secrets, for so long as any such information qualifies as a Trade Secret under applicable law.

          (c) Termination of Information and Board Rights.

               (i) The obligations of the Company to furnish information to the Investor Stockholders
pursuant to Section 2(a), shall terminate upon the earlier to occur of (x) a Qualified
Public Offering, or (y) such time as the Company otherwise becomes subject to the reporting
requirements of the Securities Exchange Act of 1934, as amended.

7

 

               (ii) The obligations of Thayer, the Investor Stockholders and the Company pursuant to
Section 2(d) shall terminate upon the occurrence of a Qualified Public Offering.

     (d) Voting for Directors.

               (i) Thayer and the Investor Stockholders hereby covenant and agree to vote all of their shares
of Common Stock or consent in writing to elect to the Board (x) such designees of Thayer as Thayer
may from time to time designate, and; (y) so long as Eos and Eos II continue to own at least 20% of
the Shares held by Eos and Eos II as of the date hereof, two designees of Eos (the “Eos
Representatives”), who initially shall be Sam Levine and Brian Young. Thayer and Eos shall be
entitled to designate their respective successor directors designated pursuant to clauses (x) and
(y) above. Thayer and the Investor Stockholders shall not vote their shares of Common Stock to
remove any director unless removal is required by the party or parties with the power to designate
such director and shall vote their shares of Common Stock to fill any vacancy created by such
removal for the election of a new director designated and approved in accordance with the
immediately preceding sentence.

               (ii) As long as ACAS and American Capital continue to own at least 20% of the Shares held by
ACAS and American Capital as of the date hereof, Thayer agrees to designate Jon Isaacson or another
representative of ACAS reasonably acceptable to Thayer (the “ACAS Representative”) to be
elected to the Board provided that (subject to the following sentence) Thayer may (at any time and
from time to time) remove the ACAS Representative from the Board in its sole discretion.
Notwithstanding the foregoing, in the event that the ACAS Representative is not elected as a member
of the Board, the ACAS Representative shall be permitted to attend all Board meetings as an
observer.

               (iii) The Company shall reimburse the Eos Representatives and the ACAS Representative for the
customary and reasonable expenses of attending meetings of the Board (including any committee
meetings), whether as a member of the Board or as an observer hereunder. The Company shall provide
to the Eos Representatives and ACAS Representative prior written notice of every meeting of its
Board (and any committee meeting thereof) at the same time and in the same manner as notice is
given to the other directors of the Company. The Company shall provide to the Eos Representatives
and the ACAS Representative copies of all written materials and other information given to the
other directors of the Company in connection with such meetings or otherwise (including, without
limitation, all resolutions proposed to be adopted by written consent in lieu of a meeting of the
Board and all information provided to the other directors of the Company in connection therewith)
at the same time such materials or information is given to the other directors.

               (iv) The Board may, from time to time, establish and maintain certain committees. To the
extent permitted by applicable law, the Board shall permit the ACAS Representative and the Eos
Representatives to attend as observers all meetings of each committee formed by the Board.

     3. Restrictions on Transfer.

          (a) Transfer of Shares. The Investor Stockholders will not sell, pledge or otherwise
directly or indirectly transfer (whether with or without consideration and whether voluntarily or
involuntarily or by operation of law or otherwise) any interest in or any beneficial interest in
any Shares except pursuant to the provisions of Section 3(c), Section 5 or
Section 6 of this Agreement (“Exempt Transfers”) or pursuant to the provisions of
Section 3(b) hereof; provided that the foregoing shall not preclude the pledge by the
Investor Stockholders of any Shares to their lenders in the ordinary course of business.

          (b) First Refusal Rights. At least 30 days prior to making any transfer other than an
Exempt Transfer or a transfer after the consummation of a Liquidity Event, any Investor Stockholder
wishing to transfer any shares of Common Stock it holds (the “Transferring Stockholder” and
the shares
of Common Stock the “Transfer Shares”) will deliver a written notice (the “Sale
Notice”) to the Company, Thayer and the other Investor Stockholders. The Sale Notice will
disclose in reasonable detail the identity of the prospective transferee(s) and the terms and
conditions of the proposed transfer. Thayer and any other Investor Stockholder may elect to
purchase all (but not less than all) of the Transfer Shares upon the same terms and conditions as
those set forth in the Sale Notice by delivering a written notice of such

8

 

election to the
Transferring Stockholder within 30 days after the receipt of the Sale Notice. To the extent that
multiple parties wish to purchase the Transfer Shares, such parties shall be allocated the Transfer
Shares on a pro rata basis relative to the number of shares of Common Stock they hold at the time
of purchase. To the extent that Thayer and the Investor Stockholders have not elected to purchase
all of the Transfer Shares, the Company may elect to purchase all (but not less than all) of the
Transfer Shares upon the same terms and conditions as those set forth in the Sale Notice, by
delivering a written notice of such election to the Transferring Stockholder within 30 days after
the receipt of the Sale Notice. Any Person who has the right to acquire Transfer Shares pursuant
to this Section 3(b) will be given up to 30 days (after it has been determined that such
Person has such right) to consummate the purchase and sale of the Transfer Shares (the
“Authorization Period”). If Thayer, the other Investor Stockholders and the Company have
not elected to purchase, in the aggregate, all of the Transfer Shares specified in the Sale Notice,
the Transferring Stockholder may transfer the Transfer Shares specified in the Sale Notice to the
transferee identified in the Sale Notice, at a price and on terms substantially similar to the
transferee(s) thereof (provided that a purchase price that is at least 97.5% of the price at which
the Transfer Shares were offered in the Sales Notice shall be deemed to be substantially similar),
in the Sale Notice during the 90-day period immediately following the Authorization Period;
provided, that the transferee(s) thereof agree in writing to be bound by the provisions of
this Agreement. Any Transfer Shares not transferred within such 90-day period will be subject to
the provisions of this Section 3(b) upon subsequent transfer.

          (c) Certain Permitted Transfers. The restrictions contained in Section 3 will
not apply with respect to transfers of Shares to (x) an Affiliate of the transferring Investor
Stockholder, (y) upon the pro rata distribution of all Shares owned by an Investor Stockholder to
its owners, the limited, special and general partners or members of such Investor Stockholder, or
(z) a fund managed by any of (i) the transferring Investor Stockholder, (ii) an Affiliate of the
transferring Investor Stockholder, or (iii) a fund advised by an affiliated advisor of the
transferring Investor Stockholder; provided that in each such case the transferee of such Shares
has agreed in writing to be bound by the provisions of this Agreement relating to the Shares.

          (d) Termination of Restrictions. The restrictions on the transfer of Shares set forth
in Section 3(a) and Section 3(b) will continue with respect to all Shares until the
consummation of a Liquidity Event.

     4. Additional Restrictions on Transfer.

          (a) Legend. Until a Liquidity Event has occurred, the certificates representing the
Common Stock held by the holders of the Shares will bear the following legend:

THE SECURITIES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT
TO RESTRICTIONS ON TRANSFER AND CERTAIN OTHER AGREEMENTS SET
FORTH IN A SECOND AMENDED AND RESTATED STOCKHOLDERS’
AGREEMENT AMONG THE COMPANY AND CERTAIN OF ITS STOCKHOLDERS,
DATED AS OF MARCH __, 2007, AS AMENDED, MODIFIED, OR
OTHERWISE SUPPLEMENTED FROM TIME TO TIME, A COPY OF WHICH
MAY BE OBTAINED BY THE HOLDER HEREOF AT THE COMPANY’S
PRINCIPAL PLACE OF BUSINESS WITHOUT CHARGE.

          (b) Opinion of Counsel. No holder of Shares may sell, pledge or otherwise directly or
indirectly transfer (whether with or without consideration and whether voluntarily or involuntarily
or by operation of law) any Shares (except pursuant to (i) an effective registration statement
under the
Securities Act or (ii) a transfer pursuant to Section 5 or 6 hereof) without
first delivering to the Company, if reasonably requested by the Company, an opinion of counsel
(reasonably acceptable in form and substance to the Company) that neither registration nor
qualification under the Securities Act and applicable state securities laws is required in
connection therewith.

9

 

     5. Drag-Along Rights.

          (a) If, at any time following the date hereof Thayer shall enter into an agreement to sell, in
a single transaction or a series of transactions, all the Common Stock at that time owned by Thayer
to any Independent Third Party (the “Buyer”), or the Company enters into an agreement with
respect to, a Sale of the Company, then Thayer may require each holder of Shares to vote in favor
of such agreement and/or sell all of the Shares owned by such holder to the Buyer contemporaneously
with the sale by Thayer for the same form and amount of consideration per share as is applicable to
the Common Stock to be sold by Thayer; provided that no additional consideration shall be provided
to Thayer other than those amounts pursuant to the Management Agreement. Without limitation as to
the foregoing, the holders of Shares shall consent to and raise no objections against such
transaction. If such transaction is structured as a merger or consolidation, each such holder
shall waive any dissenters rights, appraisal rights or similar rights in connection with such
merger or consolidation to the fullest extent permitted by law.

          (b) If Thayer wishes to exercise the right granted pursuant to Section 5(a), then
Thayer must give written notice to such effect to the Investor Stockholders (a “Drag-Along
Notice”) not less than 20 nor more than 60 days prior to the date upon which the applicable
transaction is scheduled to close. Each Drag-Along Notice shall (i) specify in reasonable detail
all of the terms and conditions upon which such transaction is to occur (including a description of
all consideration payable in connection with the transaction) and (ii) make explicit reference to
this Section 5 and state that each of the holders of Shares is obligated to vote in favor
of and/or sell its, his or her Shares pursuant to such transaction. Thayer and the Company shall
provide to each holder of Shares copies of all material documentation relating to the proposed sale
as such holder may from time to time reasonably request.

          (c) If Thayer exercises the right granted pursuant to Section 5(a), subject to
compliance with the other applicable terms of this Agreement, each holder of Shares shall promptly
take such actions and shall promptly execute such documents and instruments as shall be necessary
and desirable to consummate the proposed transaction.

          (d) If applicable, at the closing of any such transaction, each holder of Shares shall deliver
a certificate or certificates, registered in such holder’s name, properly endorsed and with all
required transfer stamps, if any, representing the Shares being sold by such holder against
delivery of the applicable consideration from the Buyer.

          (e) Each holder of Shares will bear its, his or her pro rata share (based upon the number of
shares sold) of the reasonable costs of any sale of Shares or other transaction pursuant to this
Section 5 to the extent that such costs are incurred for the benefit of substantially all
of the Company’s stockholders and are not otherwise paid by the Company or the acquiring party. No
Investor Stockholder shall be obligated to pay more than his or its pro rata amount of such costs
(based on the proportion of the aggregate transaction consideration received). Costs incurred by
the Investor Stockholders and the other holders of Shares (if any) on their own behalf will not be
considered costs of the transaction under this Agreement.

          (f) In the event that the Investor Stockholders are required to provide any representations,
warranties or indemnities in connection with a Sale of the Company (other than representations,
warranties and indemnities on a several basis concerning each Investor Stockholder’s valid
ownership of his or its Shares, free of all liens and encumbrances, enforceability and each
Investor Stockholder’s authority, power, and right to enter into and consummate agreements relating
to such Sale of the Company without violating applicable law or any other agreement), then each
Investor Stockholder shall not be liable for more than his or its pro rata amount (based on the
proportion of the aggregate transaction consideration received) of any liability for
misrepresentation or indemnity (except in respect of
such several representations and warranties) and, in any case, such liability shall not exceed
the total purchase price received by such Investor Stockholder (net of broker fees) from such
purchaser for his or its Shares (including the exercise price thereof), and, to the extent that an
indemnification escrow has been established, such liability shall be satisfied solely out of any
funds escrowed for such purpose prior to recourse against such Investor Stockholder.

10

 

          (g) If any Stockholder is given an option as to the form and amount of consideration to be
received with respect to Shares, all holders of Shares of such class will be given the same option.

          (h) The provisions of this Section 5 will terminate upon the completion of a Qualified
Public Offering.

     6. Tag Rights.

          (a) If any Thayer Stockholder at any time proposes to sell or otherwise directly or indirectly
transfer any Shares at that time owned by such Thayer Stockholder then, as a condition precedent
thereto, such Thayer Stockholder shall afford the Investor Stockholders the right to participate in
such transfer in accordance with this Section 6.

          (b) Each Thayer Stockholder shall give written notice to the Investor Stockholders (a
“Notice of Transfer”) not less than 45 nor more than 60 days prior to any proposed transfer
of any such Shares. Each such Notice of Transfer shall:

               (i) specify in reasonable detail (A) the number of Shares the Thayer Stockholder proposes to
transfer, (B) the identity of the proposed transferee or transferees of such Shares, (C) the time
within which, the price per share at which and all other terms and conditions upon which the Thayer
Stockholder proposes to transfer such Shares, (including a description of all consideration payable
in connection with the transfer) and (D) the percentage of the Shares then owned by the Thayer
Stockholder which such Thayer Stockholder proposes to transfer to such proposed transferee or
transferees;

               (ii) make explicit reference to this Section 6 and state that the right of the
Investor Stockholders to participate in such transfer under this Section 6 shall expire
unless exercised within 20 days after receipt of such Notice of Transfer; and

               (iii) contain an irrevocable offer by the Thayer Stockholder to the Investor Stockholders to
participate in the proposed transfer to the extent provided in Section 6(c) below.

          (c) The Investor Stockholders shall each have the right to transfer to the proposed transferee
or transferees that number of Shares which is equal to the Applicable Percentage (or, if any
Investor Stockholder shall elect, any lesser percentage) of the number of Shares the Thayer
Stockholder proposed to transfer, at the same price per share and on the same terms and conditions
as are applicable to the proposed transfer by the Thayer Stockholder (and, if and to the extent any
Investor Stockholder shall exercise such right, then the Common Stock to be transferred by the
Thayer Stockholder shall be correspondingly reduced); provided, that,
notwithstanding anything to the contrary herein, the Investor Stockholders shall be obligated to
indemnify the proposed transferee or transferees upon the same terms and conditions as are
applicable to the indemnification given by the Thayer Stockholder in connection with such proposed
transfer subject to the limitations set forth in Section 5(f).

          (d) Each Investor Stockholder must notify the transferring Thayer Stockholder of any
acceptances under this Section 6(d) within 20 days after receipt of the Notice of Transfer
if such Investor Stockholder desires to accept such offer and to transfer any of its Shares in
accordance with this Section 6. The failure of any Investor Stockholder to provide such
notice within such 20 day period shall, for the purposes of this Section 6, be deemed to
constitute an irrevocable waiver by that Investor Stockholder of its individual right to transfer
any of its Shares in connection with the proposed transfer described in such Notice of Transfer.
The transferring Thayer Stockholder shall use all commercially reasonable efforts to obtain the
agreement of the prospective transferee or transferees to the participation of the Investor
Stockholders, if the Investor Stockholders properly elect to participate in such proposed
transfer, and Thayer shall not consummate any such proposed transfer unless the Investor
Stockholders are permitted to participate in accordance with the provisions of this Section
6. The Investor Stockholders shall not be obligated to transfer any Shares pursuant to this
Section 6, except to the extent that the Investor Stockholders have notified the applicable
Person of the Investor Stockholders’ acceptance of the offer contained in the Notice of Transfer.
Any and all transfers of Shares by the Investor Stockholders

11

 

pursuant to this Section 6
shall be subject to, and made concurrently with, the actual transfer of Common Stock by the Thayer
Stockholder.

          (e) Subject to the consummation of the transfer contemplated by the Notice of Transfer, the
Investor Stockholders shall take such actions and shall execute such documents and instruments as
shall be reasonably necessary (and not adverse in any material respect to its interests) to
consummate the proposed sale as expeditiously as is reasonably prudent.

          (f) At the closing of any such transfer, the Investor Stockholders shall deliver a certificate
or certificates, registered in the Investor Stockholders’ name, properly endorsed and with all
required transfer stamps, if any, representing the securities being sold by the Investor
Stockholders against delivery of the applicable consideration by the proposed transferee.

          (g) Notwithstanding anything to the contrary contained in this Section 6, the Investor
Stockholders shall not have any rights pursuant to this Section 6 to participate in any
transfer by any Thayer Stockholder to any Affiliated fund of Thayer, and/or any employees or
directors of Thayer or of any such Affiliate.

          (h) The Notice of Transfer contemplated by this Section 6 and the Drag-Along Notice
contemplated by Section 5(b) may be combined in a single notice.

          (i) If any Stockholder is given an option as to the form and amount of consideration to be
received with respect to Shares, all holders of Shares of such class will be given the same option.

          (j) The provisions of this Section 6 will terminate upon the completion of a Qualified
Public Offering.

     7. Preemptive Rights.

          (a) If at any time while an Investor Stockholder holds Shares, the Company proposes to issue,
sell or grant (other than pursuant to an Exempt Issuance) any shares of Common Stock, preferred
stock or other equity securities, whether now or hereafter authorized (“New Stock”), or
proposes to issue, sell or grant (other than pursuant to an Exempt Issuance) any securities or
instruments convertible into, exchangeable or exercisable for New Stock or any options or rights to
purchase any such securities or instruments (“New Securities”), then not less than 30 days
nor more than 60 days prior to consummating such transaction, the Company shall give notice thereof
to the Thayer Stockholders and the Investor Stockholders (a “Preemptive Rights Notice”).
Each such Preemptive Rights Notice shall:

               (i) specify in reasonable detail (A) the number and type of New Stock and/or New Securities
which the Company proposes to issue or sell, and (B) the time within which, the price per share at
which and all other material terms and conditions upon which the Company proposes to issue or sell
such securities; and

               (ii) make explicit reference to this Section 7 and state that the right of the Thayer
Stockholders and the Investor Stockholders to purchase any of such securities pursuant to this
Section 7 shall expire unless exercised within 20 days after receipt of such Preemptive
Rights Notice.

          (b) Each Thayer Stockholder and Investor Stockholder shall have the right, in the nature of a
preemptive right, to purchase that amount of such New Stock or New Securities, on the same terms
and conditions as shall be applicable to the issue or sale of such New Stock or New Securities, as
will enable each Thayer Stockholder and Investor Stockholder to maintain its fully diluted
percentage
ownership of securities of the Company following such issuance or sale at the level held by it
immediately prior to such issuance or sale. Each Thayer Stockholder and Investor Stockholder may
purchase the total amount of New Stock or New Securities to which it is entitled or any lesser
amount as that Thayer Stockholder or Investor Stockholder may elect.

12

 

          (c) Each Thayer Stockholder and Investor Stockholder must notify the Company within 20 days
after receipt of the Preemptive Rights Notice if such Thayer Stockholder or Investor Stockholder
desires to exercise its purchase rights under this Section 7. The failure of such Thayer
Stockholder or Investor Stockholder to provide such notice within such 20-day period shall, for
purposes of this Section 7, be deemed to constitute an irrevocable waiver by that Thayer
Stockholder or Investor Stockholder of its right to purchase any portion of the New Stock and/or
New Securities specified in such Preemptive Rights Notice. The Company will not consummate any
such proposed issue or sale unless the Thayer Stockholders and the Investor Stockholders electing
to exercise their purchase rights under this Section 7 are permitted to purchase the
securities they are entitled to pursuant to this Section 7. The Thayer Stockholders and
the Investor Stockholders shall not be obligated to purchase any securities pursuant to this
Section 7, except to the extent that any Thayer Stockholder or Investor Stockholder has
notified the Company of the Investor Stockholder’s exercise of the preemptive rights granted in
this Section 7.

          (d) The provisions of this Section 7 will terminate upon the completion of a Qualified
Public Offering.

     8. Registration Rights.

          (a) Registration Request. At any time that the Shares are eligible to be registered
by the filing of a Form S-3 registration statement under the Securities Act (or any successor form
thereto), Thayer, the Eos Stockholders (as a group), the ACAS Stockholders (as a group) or the
Sankaty Stockholders (as a group) may request registration under the Securities Act of all or any
portion of their Shares (provided the amount of their Shares to be registered equals at least 1% of
the then outstanding Common Stock and relates to shares of Common Stock having an aggregate
offering price of at least $1,000,000) on Form S-3 (a “Demand Registration”), subject to
the limitations set forth in Section 8(b) below. The Company shall undertake such
registration pursuant to Section 8(e) below.

          (b) Each of Thayer, the Eos Stockholders (as a group), the ACAS Stockholders (as a group) and
the Sankaty Stockholders (as a group) shall be limited to a total of two (2) Demand Registrations.
A Demand Registration will not be deemed to have been effected for purposes of this Section
8 unless the registration statement or preliminary or final prospectus, as the case may be,
relating thereto (i) has become effective under the Securities Act of 1933, as amended, (ii) has
remained effective for a period of at least 90 days (or such shorter period in which all
registrable Common Stock included in such registration has actually been sold thereunder), and
(iii) at least 75% of the registrable Common Stock requested to be included in such Demand
Registration by the Investor Stockholders are so included.

          (c) Piggyback Rights. Whenever the Company proposes to file a registration statement
under the Securities Act either (i) pursuant to Section 8(a), or (ii) for any underwritten
sale of shares of any of the Company’s equity securities, except in the case of an initial public
offering in which only primary shares are sold, the Company shall give written notice of such
registration to the Thayer Stockholders and the Investor Stockholders no later than 25 days before
its filing with the Securities and Exchange Commission (the “SEC”). If any Thayer
Stockholder or any Investor Stockholder so requests in writing within 15 days of receiving such
notice, the Company shall include in any registration the Common Stock of the Thayer Stockholder
and/or the Investor Stockholder requested to be included in such registration on the same terms and
conditions as the securities otherwise being sold in such registration.

          (d) Pro Rata Reduction. The Company shall not be obligated pursuant to Section
8(a) or 8(c) to so include Shares owned by the Thayer Stockholders or the Investor
Stockholders to the extent the underwriter or underwriters of such securities being otherwise
registered by the Company shall determine in good faith that the inclusion of such Shares would
jeopardize the successful sale at the
desired price of such other securities proposed to be sold by such underwriter or
underwriters, in which case the Thayer Stockholders and the Investor Stockholders shall be entitled
to participate in any such reduced number of shares of Common Stock (if any) which may be included
in such registration on a pro rata basis in proportion to their relative holdings of shares of
Shares. This Section 8(d) shall be interpreted to permit the Investor Stockholders to
participate in public offerings on a pro rata basis with

13

 

Thayer and its Affiliates. In addition,
the Company and Thayer shall use all reasonable commercial efforts to maximize the number of shares
owned by the Thayer Stockholders and the Investor Stockholders which may be included in the
registration relative to the participation of other Company stockholders.

          (e) Registration Procedures. Whenever any Thayer Stockholder or Investor Stockholder
has requested that any Common Stock be registered in accordance with this Section 8, the
Company shall use its best efforts to effect the registration and the sale of such Common Stock in
accordance with the intended method of disposition thereof and pursuant thereto the Company shall
as expeditiously as possible:

               (i) prepare and file with the SEC a registration statement with respect to such Common Stock
on Form S-3 and use its reasonable best efforts to cause such registration statement to become
effective and to maintain its effectiveness until the earlier of 90 days or the completion of the
contemplated distribution of Shares; provided, however, that the Company may
postpone for up to 90 days the filing or effectiveness of any registration statement (including per
a Demand Registration) if the Company is in possession of material non-public information relating
to a proposed financing, recapitalization, acquisition, business combination or other material
transaction involving the Company or any of its Subsidiaries which the Board determines in good
faith would require disclosure in the registration statement by the Company of such material
non-public information for which the Company has a bona fide business purpose for not disclosing
and disclosure of such information is not otherwise required by law;

               (ii) prepare and file with the SEC such amendments and supplements to such registration
statement and the prospectus used in connection therewith as may be necessary to keep such
registration statement effective during the applicable distribution period;

               (iii) furnish to each Thayer Stockholder and Investor Stockholder such number of copies of
such registration statement, each amendment and supplement thereto, the prospectus included in such
registration statement (including each preliminary prospectus) and such other documents as the
Investor Stockholders may reasonably request in order to facilitate the disposition of the Common
Stock owned by the Investor Stockholders;

               (iv) notify in writing Thayer, the Eos Representatives and the ACAS Representative (x) of the
receipt by the Company of any notification with respect to any comments by the SEC with respect to
such registration statement or prospectus or any amendment or supplement thereto or any request by
the SEC for the amending or supplementing thereof or for additional information with respect
thereto, (y) of the receipt by the Company of any notification with respect to the issuance by the
SEC of any stop order suspending the effectiveness of such registration statement or prospectus or
any amendment or supplement thereto or the initiation or threatening of any proceeding for that
purpose and (z) of the receipt by the Company of any notification with respect to the suspension of
the qualification of such Common Stock for sale in any jurisdiction or the initiation or
threatening of any proceeding for such purposes;

               (v) use its reasonable best efforts to register or qualify such Common Stock under such other
securities or blue sky laws of such jurisdictions as the Investor Stockholders may reasonably
request and do any and all other acts and things which may be reasonably necessary or advisable to
enable the Investor Stockholders to consummate the disposition in such jurisdictions of the Common
Stock owned by the Thayer Stockholders and the Investor Stockholders (provided that the Company
shall not be required to (a) qualify generally to do business in any jurisdiction where it would
not otherwise be required to qualify but for this clause (iv), (b) subject itself to taxation in
any such jurisdiction or (c) consent to general service of process in any such jurisdiction);

               (vi) notify the Thayer Stockholders and the Investor Stockholders, at any time when a
prospectus relating thereto is required to be delivered under the Securities Act, of the happening
of any event as a result of which the prospectus included in such registration statement

14

 

contains
an untrue statement of a material fact or omits any fact necessary to make the statements therein
not misleading;

               (vii) use its best efforts to obtain from its independent certified public accountants “cold
comfort” letters in customary form and at customary times and covering matters of the type
customarily covered by cold comfort letters;

               (viii) use its best efforts to obtain from its counsel an opinion or opinions in customary
form;

               (ix) provide a transfer agent and registrar (which may be the same entity and which may be the
Company) for such shares of Common Stock;

               (x) list such shares of Common Stock on any national securities exchange on which any shares
of the Common Stock are listed or, if the Common Stock is not listed on a national securities
exchange, use its best efforts to qualify such Common Stock for inclusion on the automated
quotation system of the National Association of Securities Dealers, Inc. (the “NASD”), or
such other national securities exchange as the Board may select;

               (xi) enter into such customary agreements and take all such other actions as the holders of a
majority of the Common Stock being sold reasonably request in order to expedite or facilitate the
disposition of such Common Stock; and

               (xii) permit any holder of Common Stock which is reasonably likely to be deemed to be an
underwriter or a controlling person of the Company to participate in the preparation of such
registration or statement and to require the insertion therein of material, furnished to the
Company in writing, which in the reasonable judgment of such holder and its counsel should be
included.

          (f) Registration Expenses. All expenses incident to the Company’s performance of or
compliance with this Section 8, including without limitation all registration and filing
fees, fees and expenses of compliance with securities or blue sky laws, printing expenses,
messenger and delivery expenses, and fees and disbursements of counsel for the Company and all
independent certified public accountants, underwriters (excluding discounts and commissions) and
other persons or entities retained by the Company (all such expenses being herein called
“Registration Expenses”), shall be borne by the Company, and the Company shall, in any
event, pay its internal expenses (including, without limitation, all salaries and expenses of its
officers and employees performing legal or accounting duties), the expense of any annual audit or
quarterly review, the expense of any liability insurance and the expenses and fees for listing the
securities to be registered on each securities exchange on which similar securities issued by the
Company are then listed or on the NASD automated quotation system; provided,
however, that (i) all underwriting discounts and selling commissions applicable to the
shares of Common Stock shall be borne by the holders selling such shares, in proportion to the
number of shares sold by each such holder, and (ii) each Thayer Stockholder and Investor
Stockholder shall be responsible for the fees and expenses of its legal counsel.

          (g) Indemnification. The Company shall indemnify and hold harmless each Thayer
Stockholder, each Investor Stockholder, and each of their respective officers, directors,
employees, members, partners, and advisors and their respective Affiliates, any underwriter (as
defined in the Securities Act) for such Investor Stockholders and each Person, if any, who controls
the Investor Stockholders or underwriter within the meaning of the Securities Act against any
losses, claims, damages or liabilities, joint or several, and expenses (including reasonable
attorneys’ fees and expenses and reasonable costs of investigation) to which the Investor
Stockholders or underwriter or such controlling person may be subject, under the Securities Act and
state securities or blue sky laws as applicable or otherwise, insofar as any thereof arise out of
or are based upon (i) any untrue statement or alleged untrue statement of a material fact contained
in (A) any registration statement under which such Thayer
Stockholder’s or Investor Stockholder’s Common Stock was registered under the Securities Act
pursuant to this Section 8, any prospectus or preliminary prospectus contained therein, or
any amendment or supplement thereto or (B) any other document incident to the registration of the
Common Stock under the

15

 

Securities Act or the qualification of the Common Stock under any state
securities laws applicable to the Company, (ii) the omission or alleged omission to state in any
item referred to in the preceding clause (i) a material fact required to be stated therein or
necessary to make the statements therein not misleading or (iii) any violation or alleged violation
by the Company of the Securities Act, the Securities Exchange Act of 1934, as amended, or any other
federal or state securities law, rule or regulation applicable to the Company and relating to
action or inaction by the Company in connection with any such registration or qualification;
provided, however, that a Thayer Stockholder and an Investor Stockholder shall not
be entitled to indemnification if and only to the extent such losses, claims, damages, liabilities
or expenses arise out of or are based upon any untrue statement of material fact or alleged untrue
statement of material fact or omission to state a material fact or alleged omission to state a
material fact based upon information furnished to the Company in writing by such Thayer Stockholder
or Investor Stockholder for use therein (with respect to which information such Thayer Stockholder
or Investor Stockholder shall so indemnify and hold harmless the Company and each person, if any,
who controls the Company within the meaning of the Securities Act); provided,
further, that in no event shall the liability of a Thayer Stockholder or an Investor
Stockholder exceed the net proceeds received by such Thayer Stockholder or Investor Stockholder
from its sales pursuant to the registration statement.

     9. Restrictions on Certain Affiliate Transactions.

          (a) The Company will not, and will not cause or permit any of its Subsidiaries to, enter into
any transaction with

               (i) any Affiliate or any of its Subsidiaries other than Wholly-Owned Subsidiaries; or

               (ii) Thayer or any beneficial owner which, together with its Affiliates, owns more than 10% in
the aggregate of the Company’s fully diluted equity (a “10% Holder”) or any Affiliate or
Subsidiary of Thayer or any 10% Holder (collectively, the “Restricted Affiliates”),

except (a) the Management Agreement, and/or (b) other transactions which are no less favorable to
the Company or Subsidiary than would be obtained in comparable arms’-length transactions with
non-Affiliates (provided that if any such transaction described in this clause (b) is with a
Restricted Affiliate and has a transaction value of more that $1.0 million, and Investor
Stockholders that then own at least a combined 3% of the Company’s outstanding capital stock on a
fully diluted basis so request, such transaction shall require the prior written consent of the
holders of a majority of the Shares (other than the Restricted Affiliate), which consent shall not
be unreasonably withheld or delayed).

          (b) The provisions of this Section 9 will terminate upon the completion of a Qualified
Public Offering.

     10. Sales/Merger/Reorganization. In the event of (i) any consolidation or merger
involving the Company other than a merger or consolidation in which the Company is the continuing
corporation and the share ownership shall be unchanged; (ii) the disposition of all or
substantially all of the capital stock or the property and assets of the Company; (iii) a capital
reorganization of the Company; or (iv) a reclassification of the Common Stock, each share of stock
of the same class shall receive the same form and amount of consideration as all other shares in
that class of stock.

     11. Further Assurances. The Company and Thayer shall promptly inform the Investor
Stockholders (i) of any amendment to any agreement the Company and/or Thayer has with the Other
Stockholders that is similar to this Agreement, and (ii) of any new agreements that the Company
and/or Thayer enters into with any Other Stockholder after the date hereof. Solely with regards to
those provisions contained in Sections 3, 5, 6, 7 and 10 of
this Agreement, if any such amendment or agreement shall contain a provision more favorable to the
Other Stockholders than similar provisions contained in the aforementioned sections of this
Agreement, or add new provisions related to the rights
and benefits contained in the aforementioned sections of this Agreement which would otherwise
benefit the Investor Stockholders, both Thayer and the Company agree, as soon a practicable, to
take the

16

 

necessary actions to amend this Agreement to provide those same rights and benefits to the
Investor Stockholders.

     12. Notices. All notices, requests, demands, claims and other communications
hereunder will be in writing. Any notice, request, demand, claim or other communication hereunder
shall be deemed duly given if (and then two business days after) it is sent by registered or
certified mail, return receipt requested, postage prepaid, and addressed to the intended recipient
as set forth below:

          (a) If to the Company:

c/o Thayer Capital Partners

1455 Pennsylvania Avenue, N.W.

Suite 350

Washington, D.C. 20004

Attention: Scott Rued

Facsimile: (202) 371-0391

with a copy to:

Greenberg Traurig, LLP

2375 East Camelback Road

Suite 700

Phoenix, Arizona 85016

Attention: Bruce E. Macdonough

Facsimile: (602) 445-8618

          (b) If to any Thayer Stockholder:

c/o Thayer Capital Partners

1455 Pennsylvania Avenue, N.W.

Suite 350

Washington, D.C. 20004

Attention: Scott Rued

Facsimile: (202) 371-0391

          (c) If to an Investor Stockholder at the address of the Investor Stockholder set forth on the
signature page hereto.

     Any party hereto may send any notice, request, demand, claim or other communication hereunder
to the intended recipient at the address set forth above using any other means (including personal
delivery, expedited courier, messenger service, telecopy, telex, ordinary mail or electronic mail),
but no such notice, request, demand, claim or other communication shall be deemed to have been duly
given unless and until it actually is received by the intended recipient. Any party hereto may
change the address to which notices, requests, demands, claims and other communications hereunder
are to be delivered by giving the other party notice in the manner herein set forth.

     13. Severability. Whenever possible, each provision of this Agreement will be
interpreted in such manner as to be effective and valid under applicable law, but if any provision
of this Agreement is held to be invalid, illegal or unenforceable in any respect under any
applicable law or rule in any jurisdiction, such invalidity, illegality or unenforceability will
not affect any other provision or any other jurisdiction, but this Agreement will be reformed,
construed and enforced in such jurisdiction as if such invalid, illegal or unenforceable provision
had never been contained in this Agreement.

     14. Complete Agreement. This Agreement embodies the complete agreement and
understanding among the parties and supersedes and preempts any prior understandings, agreements or
representations by or among the parties, written or oral, which may have related to the
subject matter of this Agreement in any way.

17

 

     15. Counterparts. This Agreement may be executed on separate counterparts, each of
which is deemed to be an original and all of which taken together constitute one and the same
agreement. Any telecopied signature shall be deemed a manually executed and delivered original.

     16. Successors and Assigns. This Agreement is intended to bind and inure to the
benefit of and be enforceable by the Investor Stockholders, the Company, the Thayer Stockholder,
and their respective successors and assigns (including subsequent holders of Shares) and, where
applicable, heirs and personal representatives.

     17. Choice of Law; Jurisdiction. This Agreement shall be governed and construed in
accordance with the laws of the State of Delaware without regard to conflicts of laws principles
thereof and all questions concerning the validity and construction of this Agreement shall be
determined in accordance with the laws of said state. EACH PARTY HEREBY IRREVOCABLY SUBMITS TO THE
NONEXCLUSIVE JURISDICTION OF ANY STATE OR FEDERAL COURT OF COMPETENT JURISDICTION LOCATED IN THE
STATE OF DELAWARE IN ANY ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT AND
HEREBY IRREVOCABLY AGREES, ON BEHALF OF ITSELF OR HIMSELF AND ON BEHALF OF SUCH PARTY’S SUCCESSOR’S
AND ASSIGNS, THAT ALL CLAIMS IN RESPECT OF SUCH ACTION OR PROCEEDING MAY BE HEARD AND DETERMINED IN
ANY SUCH COURT AND IRREVOCABLY WAIVES ANY OBJECTION SUCH PERSON MAY NOW OR HEREAFTER HAVE AS TO THE
VENUE OF ANY SUCH SUIT, ACTION OR PROCEEDING BROUGHT IN SUCH A COURT OR THAT SUCH COURT IS AN
INCONVENIENT FORUM.

     18. Waiver of Jury Trial. THE PARTIES HERETO HEREBY WAIVE TRIAL BY JURY IN ANY
JUDICIAL PROCEEDING INVOLVING, DIRECTLY OR INDIRECTLY, ANY MATTER (WHETHER IN TORT, CONTRACT OR
OTHERWISE) IN ANY WAY ARISING OUT OF, RELATED TO, OR CONNECTED WITH THIS AGREEMENT, THE RELATED
DOCUMENTS OR THE RELATIONSHIP ESTABLISHED UNDER THIS AGREEMENT.

     19. Remedies. Each of the parties to this Agreement will be entitled to enforce its
rights under this Agreement specifically, to recover damages by reason of any breach of any
provision of this Agreement and to exercise all other rights existing in its favor. The parties
hereto agree and acknowledge that money damages may not be an adequate remedy for any breach of the
provisions of this Agreement and that any party may in its sole discretion apply to any court of
law or equity of competent jurisdiction for specific performance and/or injunctive relief in order
to enforce or prevent any violations of the provisions of this Agreement.

     21. Amendments and Waivers. No provision of this Agreement may be amended or waived
without the prior written consent or agreement of the Company, Thayer and the Investor Stockholders
bound thereby.

     22. Business Days. Whenever the terms of this Agreement call for the performance of a
specific act on a specified date, which date falls on a Saturday, Sunday or legal holiday, the date
for the performance of such act shall be postponed to the next succeeding regular business day
following such Saturday, Sunday or legal holiday.

     23. Failure to Deliver Securities. If any Investor Stockholder or other holder of
Shares (or the Investor Stockholders’ or such other holder’s estate or any other representative of
such Investor Stockholder or holder of Shares) who has become obligated to sell Shares under this
Agreement shall fail to deliver such Shares on the terms and in accordance with this Agreement, the
Company, in addition to all other remedies it may have, may send to the such obligated party by
registered mail, return receipt requested, the purchase price for such Shares on the terms provided
for in this Agreement. Thereupon, the Company, upon written notice to such holder, shall cancel on
its books the Shares to be sold; and thereupon, all of such obligated holder’s rights in and to
such Shares shall terminate.

     24. No Third Party Beneficiary. Except for the parties to this Agreement (and with
respect to the provisions of Section 2(b) hereof, the Company’s direct and indirect
Subsidiaries) and their respective

18

 

successors and assigns, nothing expressed or implied in this
Agreement is intended, or will be construed, to confer upon or give any person other than the
parties hereto and their respective successors and assigns any rights or remedies under or by
reason of this Agreement.

     25. Transfers in Violation of Agreement. Any transfer or attempted transfer of any
Shares in violation of any provision of this Agreement shall be void, and the Company shall not
record such transfer on its books or treat any purported transferee of such Shares as the owner of
such stock for any purpose.

     26. Attorneys’ Fees. In the event any suit or other legal proceeding is brought for
the enforcement of any of the provisions of this Agreement, the parties hereto agree that the
prevailing party or parties shall be entitled to recover from the other party or parties upon final
judgment on the merits reasonable attorneys’ fees (and sales taxes thereon, if any), including
attorneys’ fees for any appeal, and costs incurred in bringing such suit or proceeding.

     27. Roadrunner Dawes Merger/Affiliate Transaction Consent. By execution below, each
of the Existing Roadrunner Dawes Stockholders (other than Thayer and Roadrunner Dawes Co-Invest)
hereby consents, pursuant to Section 9 of the Existing Roadrunner Dawes Stockholders’ Agreement, to
the Merger and the Company’s issuance of a Warrant to Thayer as contemplated by Section 6.3(g) of
the Merger Agreement.

     28. Termination of Sargent Stockholders’ Agreement. By execution below, each of the
Existing Sargent Stockholders agrees that upon the consummation of the Merger, (i) the Sargent
Stockholders’ Agreement and the Sargent Registration Rights Agreement will be automatically
terminated in all respects and shall be of no further force or effect, and (ii) all of its rights
and claims of any kind or nature thereunder shall be automatically released.

[SIGNATURES BEGIN ON THE FOLLOWING PAGE]

19

 

     IN WITNESS WHEREOF, intending to be legally bound hereby, each of the undersigned has duly
executed and delivered this Second Amended and Restated Stockholders’ Agreement as of the day and
year first above written.

	 	 	 	 	 
	 
	 	ROADRUNNER-DAWES, INC.

 	 
	 	By:  	/s/ Scott Rued
 	 
	 	 	Scott Rued, 	 
	 	 	Co-Chairman of the Board 	 
	 

	 	 	 	 	 
	 	THAYER EQUITY INVESTORS V, L.P.
	 
	 	
By:
 	TC Equity Partners V, L.L.C.,

its general partner

	 	 	 
	 	
By:
 	Thayer Management Partners, L.L.C.,
its Managing Member

	 	 	 
	 	By:  	                                                            /s/ Scott Rued
 	 
	 	 	Scott Rued, 	 
	 	 	Managing Member 	 

	 	 	 	 	 
	 
	 	SANKATY CREDIT OPPORTUNITIES, L.P.

 	 
	 	By:  	/s/ Stuart Davies
 	 
	 	 	Stuart Davies, 	 
	 	 	Senior Vice President 	 
	 
	 	 Address for Notices:

c/o Sankaty Advisors

111 Huntington Avenue

Boston, MA 02199

Attn: Robert Weiss

 	 
	 	 	 
	 	SANKATY CREDIT OPPORTUNITIES II, L.P.

 	 
	 	By:  	/s/ Stuart Davies
 	 
	 	 	Stuart Davies, 	 
	 	 	Senior Vice President 	 
	 
	 	Address for Notices:

c/o Sankaty Advisors

111 Huntington Avenue

Boston, MA 02199

Attn: Robert Weiss

 	 

20

 

	 	 	 	 	 

	 	 	 	 	 
	 	RGIP, LLC

 	 
	 	By:  	/s/ Alfred O. Rose
 	 
	 	 	Alfred O. Rose 	 
	 	 	Authorized Signatory 	 
	 
	 	Address for Notices:

c/o Ropes & Gray LLO

One International Place

Boston, MA 02110

Attn: David McKay

 	 
	 	 	 
	 	AMERICAN CAPITAL STRATEGIES, LTD.

 	 
	 	By:  	/s/ Jon Isaacson
 	 
	 	 	Jon Isaacson, 	 
	 	 	Vice President 	 
	 
	 	Address for Notices:

2 Bethesda Metro Center

14th Floor

Bethesda, MD 20814

 	 
	 	and to:

 	 
	 	 Weil, Gotshal & Manges LLP

767 Fifth Avenue

New York, NY 10153

Attn: Christopher Aidun, Esq.

Facsimile: (212) 310-8127

 	 

	 	 	 	 	 
	 	

EOS CAPITAL PARTNERS III, L.P.

	 
	 	
By:
 	ECP General III, L.P.,
its general partner

	 
	 	
By:
 	ECP III, LLC ,
its general partner

	 	 	 
	 	By:  	                                          /s/ Brian Young
 	 
	 	 	Brian Young 	 
	 	 	 	 
	 	Address for Notices:

c/o Eos Partners

320 Park Avenue

New York, NY 10022

Attn: Sam Levine

 	 

21

 

	 	 	 	 	 

	 	 	 	 	 
	 	With a copy to:

 	 
	 	Nixon Peabody LLP

437 Madison Avenue

New York, NY 10022

Attn: Dominick P. DeChiara, Esq.

 	 
	 
	 	EOS PARTNERS, L.P.

 	 
	 	By:  	/s/ Brian Young
 	 
	 	 	Brian Young 	 
	 
	 	Address for Notices:

320 Park Avenue

New York, NY 10022

Attn: Sam Levine

 	 
	 	With a copy to:

 	 
	 	Nixon Peabody LLP

437 Madison Avenue

New York, NY 10022

Attn: Dominick P. DeChiara, Esq.
 	 
	 
	 
	 	AMERICAN CAPITAL EQUITY I, LLC

 	 
	 	
By:
 	American Capital Equity Management, LLC,
its Manager

	 	
 	 
	 	By:  	                 /s/ Cydonii Fairfax
 	 
	 	 	Cydonii Fairfax, 	 
	 	 	Vice President 	 
	 
	 	Address for Notices:

2 Bethesda Metro Center

14th Floor

Bethesda, MD 20814

 	 
	 	and to:

 	 
	 	Weil, Gotshal & Manges LLP

767 Fifth Avenue

New York, NY 10153

Attn: Christopher Aidun, Esq.

Facsimile: (212) 310-8127

 	 

22

 

	 	 	 	 	 

	 	 	 	 	 
	 	TC ROADRUNNER-DAWES HOLDINGS, L.L.C.

 	 
	 	
By:
 	TC Co-Investors V, LLC,
its managing member

	 
	 	
By:
 	Thayer Capital Management, L.P.,
its managing member

	 
	 	
By:
 	Thayer Management Partners, L.L.C.,
its general partner

	 	 	 
	 	By:  	                                             /s/ Scott Rued
 	 
	 	 	Scott Rued, 	 
	 	 	Member 	 
	 
	 
	 	TC SARGENT HOLDINGS, L.L.C.

 	 
	 	
By:
 	TC Co-Investors V, L.L.C.,
its Managing Member

	 
	 	
By:
 	Thayer Capital Management, L.P.,
its Managing Member

	 
	 	
By:
 	Thayer Management Partners, L.L.C.,
its General Partner

	 
	 	By:  	                                          /s/ Scott Rued
 	 
	 	 	Scott Rued, 	 
	 	 	Managing Member 	 
	 
	 
	 	K&E INVESTMENT PARTNERS, L.P. — 2005 DIF

 	 
	 	
By:
 	K&E Investment Management, LLC,
its general partner

	 
	 	By:  	                           /s/ Authorized Signatory
 	 
	 	 	Manager 	 
	 	 	 	 
	 	Address for Notices:

c/o Kirkland & Ellis LLP

200 E. Randolph Drive

Chicago, IL 60601

Attn: John A. Schoenfeld, P.C.

 	 

23

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