Document:

exv10w1

 

Exhibit 10.1

MEMBERSHIP INTERESTS

PURCHASE AGREEMENT

BY AND AMONG

NEWPARK RESOURCES, INC.,

NEWPARK DRILLING FLUIDS LLC,

NEWPARK TEXAS, L.L.C.,

TRINITY TLM ACQUISITIONS, LLC,

AND

TRINITY STORAGE SERVICES, L.P.

Dated as of October 10, 2007

 

 

TABLE OF CONTENTS

	 	 	 	 	 	 	 
	ARTICLE I DEFINITIONS; INTERPRETATION	 	 	1	 
	 
	 	 	 	 	 	 
	     1.1

	 	Defined Terms
	 	 	1	 
	     1.2

	 	Other Definitions
	 	 	7	 
	     1.3

	 	Interpretation; Absence of Presumption
	 	 	10	 
	     1.4

	 	Headings; Definitions
	 	 	10	 
	 
	 	 	 	 	 	 
	ARTICLE II THE SALE	 	 	11	 
	 
	 	 	 	 	 	 
	     2.1

	 	Agreement to Purchase and Sell; Non-assumed Liabilities
	 	 	11	 
	     2.2

	 	Consideration
	 	 	12	 
	     2.3

	 	Closing
	 	 	13	 
	     2.4

	 	Working Capital Price Adjustment
	 	 	15	 
	     2.5

	 	Earn-Out Consideration
	 	 	17	 
	     2.6

	 	Purchase Price Allocation
	 	 	21	 
	     2.7

	 	Further Assurances
	 	 	21	 
	 
	 	 	 	 	 	 
	ARTICLE III REPRESENTATIONS AND WARRANTIES OF NEWPARK	 	 	22	 
	 
	 	 	 	 	 	 
	     3.1

	 	Organization and Qualification
	 	 	22	 
	     3.2

	 	Capitalization of the Transferred Entities
	 	 	22	 
	     3.3

	 	Authority Relative to This Agreement
	 	 	23	 
	     3.4

	 	Consents and Approvals; No Violations
	 	 	23	 
	     3.5

	 	Compliance with Law
	 	 	24	 
	     3.6

	 	Financial Statements; Liabilities
	 	 	24	 
	     3.7

	 	Absence of Certain Changes or Events
	 	 	25	 
	     3.8

	 	Litigation
	 	 	26	 
	     3.9

	 	Permits
	 	 	26	 
	     3.10

	 	Employee Benefits; Labor Matters
	 	 	26	 
	     3.11

	 	Brokers
	 	 	29	 
	     3.12

	 	Taxes
	 	 	29	 
	     3.13

	 	Environmental Matters
	 	 	29	 
	     3.14

	 	Title; Condition and Sufficiency of Assets
	 	 	30	 
	     3.15

	 	Intellectual Property
	 	 	31	 
	     3.16

	 	Material Contracts
	 	 	31	 
	     3.17

	 	Real Property
	 	 	32	 
	     3.18

	 	Inventory
	 	 	33	 
	     3.19

	 	Accounts Receivable
	 	 	33	 
	     3.20

	 	Insurance
	 	 	33	 
	     3.21

	 	Customers and Suppliers
	 	 	34	 
	     3.22

	 	No Other Representations or Warranties
	 	 	34	 
	 
	 	 	 	 	 	 
	ARTICLE IV REPRESENTATIONS AND WARRANTIES OF PURCHASER	 	 	34	 
	 
	 	 	 	 	 	 
	     4.1

	 	Organization and Qualification
	 	 	34	 
	     4.2

	 	Authority Relative to This Agreement
	 	 	34	 
	     4.3

	 	Consents and Approvals; No Violations
	 	 	35	 
	     4.4

	 	Financing
	 	 	35	 
	     4.5

	 	Brokers
	 	 	35	 

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	     4.6

	 	Acquisition of Transferred Interests
	 	 	36	 
	     4.7

	 	Limitation of Newpark’s Warranties
	 	 	36	 
	 
	 	 	 	 	 	 
	ARTICLE V COVENANTS	 	 	36	 
	 
	 	 	 	 	 	 
	     5.1

	 	Access
	 	 	36	 
	     5.2

	 	Efforts
	 	 	37	 
	     5.3

	 	Further Assurances
	 	 	38	 
	     5.4

	 	Conduct of Business
	 	 	38	 
	     5.5

	 	Consents
	 	 	40	 
	     5.6

	 	Public Announcements
	 	 	40	 
	     5.7

	 	No Shop
	 	 	40	 
	     5.8

	 	Intercompany Accounts
	 	 	40	 
	     5.9

	 	Termination of Intercompany Agreements
	 	 	40	 
	     5.10

	 	Use of Names, etc.
	 	 	41	 
	     5.11

	 	Litigation Support
	 	 	41	 
	     5.12

	 	Noncompetition; Nonsolicitation
	 	 	41	 
	     5.13

	 	Labor Matters
	 	 	42	 
	     5.14

	 	Environmental Inspection
	 	 	42	 
	     5.15

	 	Post-Closing Covenants
	 	 	45	 
	 
	 	 	 	 	 	 
	ARTICLE VI EMPLOYEE MATTERS COVENANTS	 	 	46	 
	 
	 	 	 	 	 	 
	     6.1

	 	Employees and Compensation
	 	 	46	 
	     6.2

	 	Welfare Benefits Plans
	 	 	46	 
	     6.3

	 	Miscellaneous Employee Issues
	 	 	48	 
	 
	 	 	 	 	 	 
	ARTICLE VII TAX MATTERS	 	 	48	 
	 
	 	 	 	 	 	 
	     7.1

	 	Liability for Taxes and Related Matters
	 	 	48	 
	     7.2

	 	Transfer Taxes
	 	 	50	 
	 
	 	 	 	 	 	 
	ARTICLE VIII CONDITIONS TO OBLIGATIONS TO CLOSE	 	 	51	 
	 
	 	 	 	 	 	 
	     8.1

	 	Conditions to Obligation of Each Party to Close
	 	 	51	 
	     8.2

	 	Conditions to Purchaser’s Obligation to Close
	 	 	51	 
	     8.3

	 	Conditions to DFI’s and Newpark Texas’ Obligations to Close
	 	 	52	 
	 
	 	 	 	 	 	 
	ARTICLE IX TERMINATION	 	 	53	 
	 
	 	 	 	 	 	 
	     9.1

	 	Termination
	 	 	53	 
	     9.2

	 	Notice of Termination
	 	 	54	 
	     9.3

	 	Effect of Termination
	 	 	54	 
	 
	 	 	 	 	 	 
	ARTICLE X SURVIVAL AND INDEMNIFICATION	 	 	55	 
	 
	 	 	 	 	 	 
	     10.1

	 	Survival Periods
	 	 	55	 
	     10.2

	 	Indemnification by Newpark, DFI and Newpark Texas
	 	 	55	 
	     10.3

	 	Indemnification by Purchaser and Trinity
	 	 	56	 
	     10.4

	 	Third-Party Claims
	 	 	56	 
	     10.5

	 	Limitations
	 	 	57	 
	     10.6

	 	Disregard of Materiality
	 	 	58	 
	     10.7

	 	Mitigation; Additional Indemnification Provisions
	 	 	58	 

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	     10.8

	 	Exclusive Remedies
	 	 	58	 
	     10.9

	 	Tax Indemnification Matters
	 	 	59	 
	 
	 	 	 	 	 	 
	ARTICLE XI MISCELLANEOUS	 	 	59	 
	 
	 	 	 	 	 	 
	     11.1

	 	Counterparts
	 	 	59	 
	     11.2

	 	Governing Law; Jurisdiction and Forum; Waiver of Jury Trial
	 	 	59	 
	     11.3

	 	Entire Agreement
	 	 	59	 
	     11.4

	 	Expenses
	 	 	60	 
	     11.5

	 	Notices
	 	 	60	 
	     11.6

	 	Successors and Assigns
	 	 	60	 
	     11.7

	 	Third-Party Beneficiaries
	 	 	60	 
	     11.8

	 	Amendments and Waivers
	 	 	60	 
	     11.9

	 	Severability
	 	 	60	 

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SCHEDULES

	 	 	 	 	 
	Schedule 1.3

	 	–
	 	Knowledge of Newpark
	Schedule 3.2(a)

	 	–
	 	Liens
	Schedule 3.2(c)

	 	–
	 	Capitalization of Transferred Entities
	Schedule 3.4

	 	–
	 	Consents and Approvals
	Schedule 3.6(a)

	 	–
	 	Financial Statements
	Schedule 3.6(b)

	 	–
	 	Interim Financial Statements
	Schedule 3.6(d)

	 	–
	 	Internal Controls
	Schedule 3.7

	 	–
	 	Absence of Certain Changes and Events
	Schedule 3.8

	 	–
	 	Litigation
	Schedule 3.9

	 	–
	 	Permits
	Schedule 3.10(a)

	 	–
	 	Employee Benefits
	Schedule 3.10(b)

	 	–
	 	Compliance with ERISA and Code Section 409A
	Schedule 3.10(c)

	 	–
	 	Contributions or Payments
	Schedule 3.10(f)

	 	–
	 	Transferred Employees
	Schedule 3.10(j)

	 	–
	 	Claims
	Schedule 3.12

	 	–
	 	Tax Matters
	Schedule 3.13(a)

	 	–
	 	Environmental Matters
	Schedule 3.13(b)

	 	–
	 	Environmental Permits
	Schedule 3.13(d)

	 	–
	 	Third Party Disposal Sites
	Schedule 3.14(a)

	 	–
	 	Title
	Schedule 3.14(b)

	 	–
	 	Condition of Assets
	Schedule 3.15(a)

	 	–
	 	Transferred Intellectual Property
	Schedule 3.15(c)

	 	–
	 	Infringement Matters
	Schedule 3.16

	 	–
	 	Material Contracts
	Schedule 3.17(a)

	 	–
	 	Owned Real Property
	Schedule 3.17(b)

	 	–
	 	Leased Real Property
	Schedule 3.19

	 	–
	 	Accounts Receivable
	Schedule 3.20

	 	–
	 	Insurance Policies
	Schedule 3.21

	 	–
	 	Customers and Suppliers
	Schedule 5.4

	 	–
	 	Conduct of Business
	Schedule 5.9

	 	–
	 	Intercompany Agreements
	Schedule 5.12(c)

	 	–
	 	Nonsolicitation for Employees
	Schedule 5.15(b)

	 	–
	 	Fourchon Sublease Agreement
	Schedule 6.1(b)

	 	–
	 	Excluded Post-Closing Benefits
	Schedule 6.2(f)

	 	–
	 	Severance Benefits
	Schedule 8.2(g)

	 	–
	 	Lafayette Sublease Agreement
	Schedule 8.2(i)

	 	–
	 	Additional Conditions
	Schedule 10.2(d)

	 	–
	 	Indemnification

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MEMBERSHIP INTERESTS PURCHASE AGREEMENT

     This MEMBERSHIP INTERESTS PURCHASE AGREEMENT (this “Agreement”), dated as of October
10, 2007, is entered into by and among Newpark Resources, Inc., a Delaware corporation
(“Newpark”), Newpark Drilling Fluids LLC, a Texas limited liability company and a direct
wholly-owned subsidiary of Newpark (“DFI”), Newpark Texas, L.L.C., a Louisiana limited
liability company and an indirect wholly-owned subsidiary of Newpark (“Newpark Texas”),
Trinity Storage Services, L.P., a Texas limited partnership (“Trinity”), and Trinity TLM
Acquisitions, LLC, a Texas limited liability company (“Purchaser”), and an Affiliate of
Trinity.

RECITALS

     WHEREAS, DFI owns all of the outstanding membership interests of Newpark Environmental
Services, LLC, a Texas limited liability company (“NESI”);

     WHEREAS, NESI owns (i) all of the outstanding membership interests of Newpark Environmental
Management Company, L.L.C., a Louisiana limited liability company (“NESI Management”), and
(ii) all of the outstanding limited partner interests in Newpark Environmental Services
Mississippi, L.P., a Mississippi limited partnership (“NESI Mississippi”);

     WHEREAS, Newpark Texas owns all of the outstanding general partner interest in NESI
Mississippi;

     WHEREAS, NESI and its Subsidiaries are engaged in the business of receiving, transferring,
processing and disposal of non-hazardous exploration and production waste generated in the oil and
gas industry and the processing and disposal of non-hazardous industrial waste generated by
refiners, manufacturers, service companies and industrial municipalities located primarily in the
United States Gulf Coast area;

     WHEREAS, DFI desires to sell and transfer all of its interest in NESI and Newpark Texas
desires to sell and transfer all of its general partner interest in NESI Mississippi;

     WHEREAS, Purchaser desires to purchase from DFI all of its interest in NESI and from Newpark
Texas all of its interest in NESI Mississippi; and

     WHEREAS, the parties desire to make certain representations, warranties, covenants and
agreements in connection with this Agreement.

     NOW, THEREFORE, in consideration of the mutual promises hereinafter set forth and other good
and valuable consideration, the receipt and adequacy of which are hereby acknowledged, and
intending to be legally bound, the parties hereby agree as follows:

ARTICLE I

DEFINITIONS; INTERPRETATION

     1.1 Defined Terms. For the purposes of this Agreement, the following terms shall have the following meanings:

 

 

     (a) “Acquired Interests” shall mean all of the outstanding (i) membership interests in
NESI, and (ii) general partner interests in NESI Mississippi.

     (b) “Action” shall mean any action, claim, suit, arbitration, litigation, proceeding
or investigation by any Person or by or before any Governmental Entity.

     (c) “Affiliate” shall mean, with respect to any Person, any other Person that
directly, or through one or more intermediaries, controls or is controlled by or is under common
control with such Person; provided, that, after the Closing, (i) none of the Transferred Entities
shall be considered an Affiliate of Newpark or any of Newpark’s Affiliates and (ii) none of Newpark
or any of Newpark’s Affiliates shall be considered an Affiliate of any Transferred Entity. For
purposes of this Agreement, “control” shall mean, as to any Person, the power to direct or cause
the direction of the management and policies of such Person, whether through the ownership of
voting securities, by contract or otherwise (and the terms “controlled by” and “under common
control with” shall have correlative meanings).

     (d) “Benefit Plan” shall mean any “employee benefit plan,” as defined in Section 3(3)
of ERISA (whether or not subject to ERISA), and any other plan, policy, program, practice,
agreement, understanding or arrangement (whether written or oral) providing compensation or other
benefits to any current or former director, officer, manager, member, employee or consultant (or to
any dependent or beneficiary thereof) of a Transferred Entity, which is now (or was within the past
six (6) years) maintained, sponsored or contributed to by Newpark or its Subsidiaries, under which
any Transferred Entity has any present or future significant obligation or liability, whether
actual or contingent, including but not limited to all profit-sharing, bonus, stock option, stock
purchase, stock appreciation, restricted stock, phantom stock, or other stock or equity-based
compensation, pension, retirement, severance, deferred compensation, excess benefit, supplemental
unemployment, post-retirement medical or life insurance, welfare, flexible benefit, cafeteria,
incentive, sick leave, long-term disability, medical, hospitalization, life insurance, other
insurance or employee benefit plan.

     (e) “Business” shall collectively mean the business conducted by the Transferred
Entities relating to (x) the receiving, transferring, processing and disposal of non-hazardous
exploration and production wastes generated in the oil and gas industry that is exempt from RCRA,
including waste that is contaminated with naturally occurring radioactive materials
(“NORM”), primarily for generators in the United States Gulf Coast and Permian Basin areas,
and (y) the processing and disposal of non-hazardous industrial wastes generated by refiners,
manufacturers, service companies and industrial municipalities located primarily in the United
States Gulf Coast.

     (f) “Business Day” shall mean any day that is not a Saturday, a Sunday or other day on
which commercial banks in the City of Houston, Texas, are required or authorized by Law to be
closed.

     (g) “COBRA Continuation Coverage” shall mean the continuation coverage requirements
under Code Section 4980B and Part 6 of Title I of ERISA, or comparable provisions of state and
local Law.

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     (h) “Code” shall mean the U.S. Internal Revenue Code of 1986, as amended.

     (i) “Confidentiality Agreement” shall mean the Confidentiality Agreement dated March
22, 2007, by and among Newpark, Trinity and Moss Bluff Property, LP.

     (j) “Contract” shall mean any agreement, indenture, deed of trust, note, bond,
mortgage, lease, license, commitment, guarantee, purchase order, contract, obligation or
undertaking (whether written or oral and whether express or implied).

     (k) “Environmental Laws” shall mean any Law relating to pollution or the protection of
the environment or natural resources; to releases, discharges, emissions or disposals to air,
water, land or groundwater of Hazardous Materials; to the use, handling, transport, release or
disposal of polychlorinated biphenyls, asbestos or urea formaldehyde or any other Hazardous
Material; to the treatment, storage, disposal or management of Hazardous Materials; including the
Comprehensive Environmental Response, Compensation and Liability Act, 42 U.S.C. 9601, et seq.
(“CERCLA”), the Resource Conservation and Recovery Act, 42 U.S.C. 6901, et seq.
(“RCRA”), the Toxic Substances Control Act, 15 U.S.C. 2601, et seq. (“TSCA”), the
Clean Air Act, 42 U.S.C. 7401, et seq., the Federal Water Pollution Control Act, 33 U.S.C. 1251,
et seq., the Safe Drinking Water Act, 42 U.S.C. 300f, et seq., the Emergency Planning and
Community Right to Know Act, 42 U.S.C. 11001, et seq. (“EPCRA”); and other comparable
foreign, state and local Laws, including the Texas Natural Resources Code (only insofar as it
relates to pollution or the protection of the environment or natural resources), and all rules,
regulations and guidance documents promulgated pursuant thereto or published thereunder.

     (l) “Environmental Permits” means all Permits issued by Governmental Entities that are
required under Environmental Laws in connection with the Business.

     (m) “ERISA” shall mean the Employee Retirement Income Security Act of 1974, as
amended.

     (n) “Former Employee” shall mean an individual who, as of immediately prior to the
Closing, is not a current employee of Newpark or any of its Affiliates (including the Transferred
Entities, DFI and Newpark Texas) in any capacity but who, during any period prior to the Closing,
was primarily employed by the Transferred Entities, Newpark Texas, DFI, Newpark or its other
Subsidiaries in connection with the Business (as opposed to the other businesses of Newpark, its
Subsidiaries or Affiliates).

     (o) “GAAP” shall mean generally accepted accounting principles in the United States as
in effect at the time the applicable financial statements were prepared.

     (p) “Governmental Entity” shall mean any court, administrative agency, commission or
other governmental authority, body or instrumentality, federal, state, local, domestic or foreign
governmental or regulatory authority or any self-regulatory authority or arbitral or similar forum.

     (q) “Hazardous Materials” shall mean each and every element, compound, chemical
mixture, contaminant, pollutant, material, waste or other substance which is defined, determined or
identified as hazardous or toxic under Environmental Laws or the release of which is

-3-

 

regulated under Environmental Laws. Without limiting the generality of the foregoing, the term includes:
“hazardous substances” as defined in CERCLA; “extremely hazardous substances” as defined in EPCRA;
“hazardous waste” as defined in RCRA; crude oil, petroleum products or any fraction thereof;
radioactive materials including source, byproduct or special nuclear materials; asbestos or
asbestos-containing materials; chlorinated fluorocarbons; and radon.

     (r) “HSR Act” shall mean the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as
amended.

     (s) “Indebtedness” means, without duplication: (i) the principal of and premium (if
any) in respect of all indebtedness for borrowed money, including accrued interest, (ii) bank
overdrafts (excluding undrawn lines) and outstanding checks to the extent treated as negative cash,
accounts payable, bank overdrafts or otherwise included as debt in the financial statements of the
Transferred Entities (it being understood that only the amount of such bank overdraft or the
portion of the check that is treated as negative cash, accounts payable, bank overdraft or debt
shall be treated as “Indebtedness”), and (iii) lease obligations that are properly classified as a
capital lease on a balance sheet in accordance with GAAP (“Capital Leases”); provided, that
“Indebtedness” shall not include (A) trade payables, accrued expenses and intercompany or
intracompany liabilities arising in the ordinary course of business, or (B) any liability for
Taxes.

     (t) “Intellectual Property” means all U.S. and foreign or multinational intellectual
property, including all trademarks, service marks and trade names (“Trademarks”), mask
works, inventions, patents, copyrights and copyrightable works, trade secrets and know-how
(including any registrations or applications for registration of any of the foregoing) and all
other similar types of proprietary intellectual property rights arising under the Laws of any
country or jurisdiction.

     (u) “Inventory” means all inventory of each of the Transferred Entities, wherever
located, including raw materials, works-in-progress, finished goods, consigned goods, supplies,
scrap, wrappings, supply and packaging terms, containers and spare parts.

     (v) “Law” shall mean any federal, state, local or foreign law (including common law),
statute, ordinance, rule, regulation, judgment, code, order, injunction, decree, arbitration award,
agency requirement, license or permit of any Governmental Entity.

     (w) “Liens” shall mean all liens, pledges, charges, claims, security interests,
purchase agreements, options, title defects, restrictions on transfer, imperfections of title,
easements, encroachments, options, rights of first refusal, rights of first offer or other
encumbrances and agreements of any nature whatsoever, whether consensual, statutory or otherwise;
provided, that, with respect to the Transferred Interests, “Liens” shall not include any of the
foregoing as set forth in the Organizational Documents of any of the Transferred Entities.

     (x) “Losses” shall mean all losses, costs, charges, expenses (including interest and
penalties due and payable with respect thereto and reasonable attorneys’ and other professional
fees and expenses in connection with any Action whether involving a third-party claim or any
claim solely between the parties hereto), obligations, liabilities, settlement payments, awards,
judgments, fines, penalties, damages, demands, claims, assessments or deficiencies.

-4-

 

     (y) “Material Adverse Effect” shall mean any event, circumstance, change or effect
that has or would reasonably be expected to have a material adverse effect on the Business, results
of operations or financial condition of the Transferred Entities, taken as a whole; provided,
however, that no change or effect arising out of or resulting from any of the following shall be
deemed by itself or by themselves, either alone or in combination, to constitute or contribute to a
Material Adverse Effect:

     (i) general changes affecting the industries or markets in which the Business operates,
provided, that any such change does not have or cause a disproportionate effect on the
Transferred Entities;

     (ii) general political or economic conditions or changes therein (including the
commencement, continuation or escalation of a war, material armed hostilities or other
material international or national calamity or acts of terrorism or earthquakes, hurricanes,
other natural disasters or acts of God), provided that with respect to earthquakes,
hurricanes, other natural disasters or acts of God, any such events do not have or cause a
disproportionate effect on the Transferred Entities;

     (iii) general financial or capital market conditions, including interest rates or
currency exchange rates, or changes therein;

     (iv) any changes in applicable Law or GAAP or other accounting standards, or
authoritative interpretations thereof, from and after the date of this Agreement, provided,
that any such change in Law does not make it illegal for the Transferred Entities to
continue to conduct the Business in substantially the same manner in which it is conducted
on the date of this Agreement;

     (v) the announcement of the potential sale of the Business; the negotiation, execution,
announcement or existence of this Agreement or the consummation of the transactions
contemplated by this Agreement; or changes or actions directly resulting from any of the
foregoing, including any change in the relationships of the Transferred Entities with their
respective customers, suppliers or employees; and

     (vi) any action or omission required pursuant to the terms of this Agreement, or
pursuant to the express written request of Purchaser.

     (z) “Measurement Period” shall mean a twelve (12) month period ending December 31;
provided, however, that if the Closing occurs in 2008, the initial Measurement Period shall
commence on the first day of the calendar month immediately following the Closing and end on
December 31, 2008.

     (aa) “Newpark Change of Control” shall mean (i) a merger or consolidation of Newpark
with or into any other corporation or other entity or Person or (ii) a sale, lease, exchange or
other transfer in one transaction or series of related transactions of all or
substantially all of Newpark’s outstanding securities or all or substantially all of Newpark’s
assets; provided, that the following events shall not constitute a “Newpark Change of Control”:
(A) a merger or consolidation of Newpark in which the holders of the voting securities of Newpark
immediately prior to the merger or consolidation hold at least a majority of the voting

-5-

 

securities in the successor corporation immediately after the merger or consolidation; (B) a sale,
lease, exchange or other transfer in one transaction or a series of related transactions of all or
substantially all of Newpark’s assets to a wholly-owned subsidiary; or (C) the reincorporation of
Newpark.

     (bb) “Newpark Group Health Plan” shall mean the benefit programs under Newpark’s group
benefits plan providing health, medical, prescription drug, dental and vision benefits other than
through a Section 125 health care flexible spending account.

     (cc) “Organizational Documents” of any Person means, as applicable, the following
documents or equivalent governing documents: (i) the articles of incorporation and bylaws of any
Person that is a corporation, (ii) the certificate of formation and company agreement of any Person
that is a limited liability company, or (iii) the certificate of formation and partnership
agreement of any Person that is a partnership, including any amendments to any of the foregoing
documents.

     (dd) “Permitted Liens” means the following Liens: (a) Liens for Taxes, assessments or
other governmental charges or levies that are not yet due or payable or that are being contested in
good faith by appropriate proceedings or that may thereafter be paid without penalty if, to the
extent required by GAAP, adequate reserves with respect thereto are maintained on the books of the
Transferred Entities in accordance with GAAP; (b) statutory Liens of landlords and Liens of
carriers, warehousemen, mechanics, materialmen, workmen, repairmen and other similar Liens imposed
by Law and on a basis consistent with past practice; (c) Liens incurred or deposits made in the
ordinary course of business and on a basis consistent with past practice in connection with
workers’ compensation, unemployment insurance or other types of social security; (d) defects or
imperfections of title, easements, covenants, rights-of-way, restrictions and other similar
non-monetary charges or encumbrances not materially detracting from the value of or materially
interfering with the use or operation of the affected property within the ordinary conduct of the
Business; (e) Liens incurred in the ordinary course of business and on a basis consistent with past
practice and the provisions of Section 5.4 hereof securing obligations or liabilities that are not
material to the Transferred Entities or the Transferred Interests; and (f) easements, covenants,
rights-of-way and other similar conditions and restrictions (i) recorded in the applicable real
property records of the county in which the affected property is located, (ii) that may reasonably
be shown or identified by survey or physical inspection of the affected property, or (iii) set
forth in applicable zoning, building and other similar regulations, so long as no such matter
identified in clauses (i), (ii) or (iii) prevents or materially hinders or interferes with the use
of such affected property substantially as currently used for the purposes of the Business.

     (ee) “Permits” means all franchises, approvals, consents, permits, authorizations,
licenses, orders, registrations, certificates, variances or other similar rights obtained from any
Governmental Entity.

     (ff) “Person” shall mean a person, group (within the meaning of Section 13(d)(3) of the
Securities Exchange Act of 1934, as amended), corporation, partnership, limited liability company,
joint venture, trust or other entity or organization, including a Governmental Entity.

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     (gg) “Subsidiary” shall mean, with respect to any Person, any corporation, entity or
other organization whether incorporated or unincorporated, of which (i) such first Person directly
or indirectly owns or controls at least a majority of the securities or other interests having by
their terms ordinary voting power to elect a majority of the board of directors or others
performing similar functions or (ii) such first Person is a general partner, manager or managing
member.

     (hh) “Tax” shall mean any tax of any kind, including any federal, state, local and
foreign (including any political subdivision thereof) income, profits, license, severance,
occupation, windfall profits, capital gains, capital stock, transfer, registration, social security
(or similar), production, franchise, gross receipts, margin, payroll, sales, employment, use,
property, excise, value added, estimated, stamp, alternative or add-on minimum, environmental,
withholding and any other tax or assessment, together with all interest, penalties and additions
imposed with respect to such amounts.

     (ii) “Tax Benefit” shall mean any decrease in Taxes paid or increase in a refund due,
including any interest with respect thereto.

     (jj) “Tax Return” shall mean any return, declaration, report, claim for refund or
information return or statement filed or required to be filed with any taxing authority relating to
Taxes, including any schedule or attachment thereto, and including any amendment thereof.

     (kk) “Transferred Employee” shall mean an individual who is, at the time of the
Closing, employed by any of the Transferred Entities. “Transferred Employee” shall also include
any employee of any Transferred Entity at the time of Closing who is on short-term disability, sick
leave or other authorized leave of absence or military leave.

     (ll) “Transferred Entities” shall mean NESI, NESI Management and NESI Mississippi.

     (mm) “Transferred Interests” shall collectively mean (i) the Acquired Interests,
(ii) all of the outstanding membership interests in NESI Management, and (iii) all of the
outstanding limited partnership interests of NESI Mississippi.

     (nn) “Treasury Regulations” shall mean the Treasury Regulations promulgated under the
Code.

     (oo) “Welfare Plan” shall mean any employee welfare benefit plan within the meaning of
Section 3(1) of ERISA, any short-term disability program classified as a “payroll practice,” any
group health plan within the meaning of Code Section 105, any cafeteria plan within the meaning of
Code Section 125, any dependent care assistance program within the meaning of Code Section 129, any
adoption assistance plan within the meaning of Code Section 137, any tuition assistance plan within
the meaning of Code Section 127, and any qualified transportation plan within the meaning of Code Section 132,
other than any severance plan.

     1.2 Other Definitions. The following terms shall have the meanings defined in the
Section indicated:

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	Accelerated Earn-Out Payment

	 	Section 2.5(e)
	Accounting Arbitrator

	 	Section 2.4(b)
	Acquired Business

	 	Section 5.12(b)
	Acquired Company

	 	Section 5.12(b)
	Acquisition Transaction

	 	Section 5.7
	Act

	 	Section 3.2(a)
	Agreement

	 	Preamble
	Alleged Recognized Environmental Condition

	 	Section 5.14(b)
	Alleged Recognized Environmental Cost

	 	Section 5.14(c)(i)
	Allocation Statement

	 	Section 2.6
	Annual Financial Statements

	 	Section 3.6(a)
	ASTM E1527-05

	 	Section 5.14(a)
	Baseline EBITDA

	 	Section 2.5(c)
	Capital Leases

	 	Section 1.1(s)
	CERCLA

	 	Section 1.1(k)
	Claim

	 	Section 2.2(b)
	Closing

	 	Section 2.1(a)
	Closing Date

	 	Section 2.3(a)
	Closing Date Net Working Capital

	 	Section 2.4(b)
	Corporate Guaranty

	 	Section 5.15(a)
	Covered Business

	 	Section 5.12(a)
	Credit Agreement

	 	Section 2.1(b)(v)
	Current Assets

	 	Section 2.4(c)
	Current Liabilities

	 	Section 2.4(c)
	Deductible

	 	Section 10.5(a)
	DFI

	 	Preamble
	Divestiture Threshold

	 	Section 5.12(b)
	Due Date

	 	Section 7.1(e)
	Earn-Out Consideration

	 	Section 2.5
	Earn-Out Dispute Notice

	 	Section 2.5(d)(ii)
	Effective Time

	 	Section 2.3(a)
	Environmental Dispute

	 	Section 5.14(d)
	Environmental Inspection Period

	 	Section 5.14(b)
	Environmental Report

	 	Section 5.14(c)
	EPCRA

	 	Section 1.1(k)
	EPCRS

	 	Section 3.10(a)
	Escrow Account

	 	Section 2.2(b)
	Escrow Agent

	 	Section 2.2(b)
	Escrow Agreement

	 	Section 2.2(b)
	Estimated Baseline EBITDA

	 	Section 2.5(c)
	Estimated Closing Statement

	 	Section 2.4(a)
	Estimated Net Working Capital

	 	Section 2.4(a)
	Estimated Net Working Capital Deficiency Amount

	 	Section 2.4(a)(ii)
	Estimated Net Working Capital Excess Amount

	 	Section 2.4(a)(ii)
	Final Closing Statement

	 	Section 2.4(b)
	Final Working Capital Adjustment

	 	Section 2.4(b)

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	Fourchon Sublease

	 	Section 5.15(b)
	Holdback Funds

	 	Section 2.2(b)
	Indemnified Parties

	 	Section 10.3
	Indemnifying Party

	 	Section 10.4
	Initial Closing Consideration

	 	Section 2.2(a)
	Interim Financial Statements

	 	Section 3.6(b)
	IRS

	 	Section 3.10(a)
	Lafayette Sublease Agreement

	 	Section 8.2(g)
	Leased Real Property

	 	Section 3.17(b)
	Management

	 	Section 3.13(c)
	Material Contracts

	 	Section 3.16
	Maximum Earn-Out Amount

	 	Section 2.5(a)
	MBP

	 	Section 2.5(b)
	Measurement Period Earn-Out Payment

	 	Section 2.5(a)
	Minimum Claim Amount

	 	Section 10.5(a)
	NESI

	 	Recitals
	NESI Management

	 	Recitals
	NESI Mississippi

	 	Recitals
	Net Working Capital

	 	Section 2.4(c)
	Newpark

	 	Preamble
	Newpark Breach

	 	Section 9.1(d)
	Newpark Disclosure Schedule

	 	Article III
	Newpark Indemnified Parties

	 	Section 10.3
	Newpark Texas

	 	Preamble
	NMIS

	 	Section 8.2(g)
	Non-assumed Liabilities

	 	Section 2.1(b)
	NORM

	 	Section 1.1(e)
	Notice of Alleged Recognized Environmental Conditions

	 	Section 5.14(b)
	Order

	 	Section 3.8
	Outside Date

	 	Section 9.1(b)
	Owned Real Property

	 	Section 3.17(a)
	Phase I Report

	 	Section 5.14(b)
	Phase II Report

	 	Section 5.14(b)
	Post-Closing EBITDA

	 	Section 2.5(b)
	Post-Closing Period

	 	Section 7.1(b)
	Pre-Closing Period

	 	Section 7.1(a)
	Predecessor Entities

	 	Section 3.1(b)
	Purchase Price

	 	Section 2.2(a)
	Purchaser

	 	Preamble
	Purchaser Breach

	 	Section 9.1(c)
	Purchaser Indemnified Parties

	 	Section 10.2
	RCRA

	 	Section 1.1(k)
	Real Property Lease

	 	Section 3.17(b)
	Recapitalization

	 	Section 2.5(e)
	Remaining Alleged Recognized Environmental Conditions

	 	Section 5.14(c)(iii)
	Restricted Period

	 	Section 5.12(a)

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	Sale

	 	Section 2.1(a)
	Selected Alleged Recognized Environmental Conditions

	 	Section 5.14(c)(iii)
	Straddle Period

	 	Section 7.1(a)
	Surviving Covenants

	 	Section 10.1
	Tax Contest

	 	Section 7.1(f)
	Termination Fee

	 	Section 9.3(b)
	Trademarks

	 	Section 1.1(t)
	Transferred Intellectual Property

	 	Section 3.15(a)
	Transportation Contract

	 	Section 3.16(i)
	Trinity

	 	Preamble
	Trinity Change of Control

	 	Section 2.5(e)
	Trinity Earn-Out Statement

	 	Section 2.5(d)(i)
	TSCA

	 	Section 1.1(k)
	WARN Act

	 	Section 5.13(a)

     1.3 Interpretation; Absence of Presumption.

     (a) For the purposes of this Agreement, “to the knowledge of Newpark” shall mean the actual
knowledge, without independent investigation, of the individuals identified in Section 1.3 of the
Newpark Disclosure Schedule.

     (b) For the purposes of this Agreement, (i) words in the singular shall be held to include the
plural and vice versa and words of one gender shall be held to include the other gender as the
context requires, (ii) the terms “hereof,” “herein,” and “herewith” and words of similar import
shall, unless otherwise stated, be construed to refer to this Agreement as a whole and not to any
particular provision of this Agreement, and Article, Section and paragraph references are to the
Articles, Sections and paragraphs to this Agreement unless otherwise specified, (iii) the word
“including” and words of similar import when used in this Agreement shall mean “including without
limitation” unless the context otherwise requires or unless otherwise specified, (iv) the word “or”
shall not be exclusive, (v) all pronouns and any variations thereof refer to the masculine,
feminine or neuter, single or plural, as the context may require and (vi) all references to any
period of days shall be deemed to be to the relevant number of calendar days unless otherwise
specified.

     (c) This Agreement shall be construed without regard to any presumption or rule requiring
construction or interpretation against the party drafting or causing any instrument to be drafted.

     1.4 Headings; Definitions. The Section and Article headings contained in this Agreement are
inserted for convenience of reference only and will not affect the meaning or interpretation of
this Agreement. All capitalized terms defined in this Agreement are equally applicable to both the
singular and plural forms of such terms.

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ARTICLE II

THE SALE

     2.1 Agreement to Purchase and Sell; Non-assumed Liabilities.

     (a) Agreement to Purchase and Sell. Upon the terms and subject to the conditions set
forth in this Agreement, at the closing of the transactions contemplated by this Agreement (the
“Closing”), DFI and Newpark Texas shall sell, transfer, convey and assign to Purchaser, and
Purchaser shall purchase and acquire from DFI and Newpark Texas, all of DFI’s and Newpark Texas’
respective rights, title and interest in and to the Acquired Interests, free and clear of all Liens
other than Permitted Liens (the “Sale”).

     (b) Non-Assumption of Liabilities. Neither Purchaser nor any of its Affiliates or
Subsidiaries (other than the Transferred Entities following the Closing, but subject in all
respects to Purchaser’s and its Affiliates’ (including the Transferred Entities’) right to
indemnification pursuant to Section 10.2(c) for the Non-assumed Liabilities) shall, by the
execution and performance of this Agreement, by operation of law or otherwise, assume, become
responsible for or incur any liability or obligation of any nature of the Transferred Entities,
whether legal or equitable, matured or contingent, known or unknown, foreseen or unforeseen,
ordinary or extraordinary, patent or latent, asserted prior to, at or after the date of this
Agreement, relating to the following:

     (i) any severance pay obligation of any of the Transferred Entities or of Newpark
Texas, DFI, Newpark or any of its other Affiliates or Subsidiaries with respect to any
Former Employee;

     (ii) any Benefit Plan (other than (A) the Change of Control Agreements listed in
Section 3.16(h)(ii) of the Newpark Disclosure Schedule between NESI and the Transferred
Employees listed therein, and (B) the liabilities and obligations of any Transferred Entity
under any Benefit Plan to the extent of any amounts with respect thereto are recorded as a
liability in the calculation of the Estimated Net Working Capital, as adjusted by the
Closing Date Net Working Capital, for which Purchaser shall be responsible post-Closing),
including, without limitation, the Newpark Group Health Plan, and any other employee
benefit plan (within the meaning of Section 3(3) of ERISA) or any other fringe benefit
program maintained or sponsored by Newpark or any of its Subsidiaries or Affiliates or to
which Newpark or any of its Subsidiaries or Affiliates contributes or any contributions,
benefits or liabilities therefor or any liability for the withdrawal or partial withdrawal from or termination of any such plan or program by
Newpark or any of its Subsidiaries or Affiliates;

     (iii) the litigation described in Section A of Section 3.8 of the Newpark Disclosure
Schedule;

     (iv) any closure, post-closure, monitoring, testing, analyzing, clean-up or
remediation obligations relating to the site or facility known as the Guillory Landfarm
near Eunice, Louisiana; and

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     (v) any Indebtedness of Newpark Texas, Newpark or its other Affiliates or
Subsidiaries, including, without limitation, that arising under the current $150,000,000.00
Term Credit Agreement dated August 18, 2006 between Newpark and JPMorgan Chase Bank, NA, as
administrative agent, Wilmington Trust Company as collateral agent and the Loan Parties and
Lenders identified therein or its predecessor or successor credit agreements (collectively,
the “Credit Agreement”) and any obligations or liabilities of the Transferred
Entities arising out of or in connection with their guaranteeing of the Credit Agreement or
pledging their assets as security for the Credit Agreement. Notwithstanding the foregoing,
Capital Leases of the Transferred Entities shall not be considered a Non-assumed Liability.

Each and all of the foregoing are hereinafter referred to as the “Non-assumed Liabilities.”

     (c) Transferred Entities’ Liabilities. The provisions of Section 2.1(b) above shall
not in any manner adversely affect, diminish or otherwise relieve the Transferred Entities from
their respective obligations to pay, discharge, perform or otherwise satisfy, as the case may be,
any and all liabilities, commitments or obligations of the Transferred Entities, subject in all
respects to Purchaser’s right to seek indemnification with respect thereto under Article X.

     2.2 Consideration.

     (a) In consideration for the Acquired Interests, Purchaser shall pay an aggregate amount equal
to the sum of (i) $81,500,000, subject to the adjustments in Section 2.4(a) and Section 5.14(c)
(the “Initial Closing Consideration”), plus (ii) if earned, the Earn-Out Consideration (the
foregoing aggregate amount, as adjusted pursuant to the terms of this Agreement, being referred to
as the “Purchase Price”), payable as described below. The Earn-Out Consideration, if
earned, shall be calculated and paid in accordance with Section 2.5.

     (b) Newpark agrees that the sum of $6,112,500 (the “Holdback Funds”) otherwise payable
to Newpark as part of the Purchase Price at Closing shall be delivered by Purchaser to an escrow
agent mutually agreed upon by Newpark and Purchaser (the “Escrow Agent”) pursuant to an
escrow agreement mutually acceptable to Newpark, Purchaser and the Escrow Agent (the “Escrow
Agreement”) to be held by the Escrow Agent in an interest bearing account (the “Escrow
Account”) as required by the terms of the Escrow Agreement and this provision. Newpark shall
be entitled to all interest earned on
the Escrow Account except as specifically provided in this Section 2.2(b). The Holdback Funds
shall be applied towards any claims made by a Purchaser Indemnified Party pursuant to Article X
below and in accordance with the terms of the Escrow Agreement. The Purchaser Indemnified Parties
shall first seek reimbursement for any Losses for which they are entitled to receive
indemnification under this Agreement out of the funds deposited in the Escrow Account, pursuant to
the terms of the Escrow Agreement, until such funds are exhausted or released from the Escrow
Account. On the first anniversary of the Closing, the Holdback Amount shall be reduced to an
amount equal to the lesser of: (i) $3,056,250, or (ii) the remaining funds held in the Escrow
Account, and any amounts in excess of $3,056,250 shall be released to Newpark, unless prior to that
date Purchaser advises the Escrow Agent and Newpark in writing that any claim for indemnification
(each, a “Claim”) by any Purchaser Indemnified Party is pending. Any such notice shall
specify the total amount of the pending Claim(s). If such notice is timely received by the Escrow
Agent, the Escrow Agent

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shall release only that part of the Escrow Account that is eligible to be
released pursuant to the preceding sentence that exceeds the total amount of any Claim(s) received,
with the remaining funds to be held in the Escrow Account until such Claim(s) are resolved. On the
second anniversary of the Closing, the remaining funds held in the Escrow Account shall be released
to Newpark, unless any Claim(s) have been made and are not resolved, in which event the Escrow
Agent shall release only that part, if any, of the Escrow Account that exceeds the total amount of
unresolved Claim(s), with the remaining funds relevant to the unresolved Claim(s) to be held in
escrow until such Claim(s) are resolved.

     2.3 Closing.

     (a) The Closing shall take place at the offices of Andrews Kurth LLP, 10001 Woodloch Forest
Drive, Suite 200, The Woodlands, Texas 77380 at 10:00 a.m., Houston, Texas time, on the date (the
“Closing Date”) that is one Business Day following the satisfaction or waiver of the
conditions set forth in Article VIII (other than those conditions that by their nature are to be
satisfied or waived at the Closing, but subject to the satisfaction or waiver of those conditions)
or at such other place, time or date as may be mutually agreed upon in writing by Newpark and
Purchaser. Notwithstanding the foregoing, the parties hereto intend that such Closing shall be
deemed to be effective, and the transactions contemplated by this Agreement shall be deemed to
occur simultaneously, at 11:59 p.m., Central Daylight Time, on the Closing Date (the “Effective
Time”).

     (b) At the Closing:

     (i) DFI and Newpark Texas, as applicable, shall deliver or cause to be delivered to or
for the benefit of the Purchaser, in the case of documents, duly executed by each
applicable party, the following:

     (A) certificates evidencing the Acquired Interests to the extent that such
Acquired Interests are in certificate form, duly endorsed in blank or with stock
powers duly executed in proper form for transfer, and with any required stock
transfer stamps affixed thereto;

     (B) to the extent that the Acquired Interests are not in certificate form,
such documents evidencing the transfer, assignment, conveyance and sale of the
Acquired Interests by DFI and Newpark Texas to Purchaser, as Purchaser may
reasonably require;

     (C) resignation letters, effective as of the Effective Time, of those
managers, directors or officers of the Transferred Entities as Purchaser may
request in writing no less than five (5) Business Days prior to the Closing Date;

     (D) all minute books, formation, organizational, governance and similar
“corporate” documents and records and all other files, documents, data,
information, papers, personnel and employment records and other records of the
Transferred Entities, relating to the conduct of the Business and the ownership,
use and possession of the assets of the Transferred Entities in connection
therewith, in the possession of Newpark or any of its Affiliates, other than (A)
any

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books and records that Newpark or any of its Affiliates is required by Law to
retain the originals of, in which case copies thereof shall be made available to
Purchaser; and (B) personnel and employment records for employees and Former
Employees of Newpark or any of its Affiliates who are not Transferred Employees;
provided, that Newpark and its Subsidiaries shall have the right to retain a copy
of all such books and records to the extent reasonably necessary for, and for use
in connection with, Tax, regulatory, litigation or other legitimate,
non-competitive purposes;

     (E) an acknowledgement from DFI and Newpark Texas of the receipt of the
Initial Closing Consideration, less the Holdback Funds;

     (F) evidence, reasonably satisfactory to Purchaser, of the release of the
Liens and releases of liability of the Transferred Entities with respect to the
payment of the funded Indebtedness as required pursuant to Section 8.2(d);

     (G) the certificate required by Section 8.2(c) hereof;

     (H) a legal opinion of counsel to Newpark, DFI and Newpark Texas, dated as of
the Closing, addressed to Purchaser in the form and substance reasonably
satisfactory to Purchaser, which shall expressly entitle Purchaser’s lenders to
rely thereon;

     (I) the Escrow Agreement;

     (J) a resolution or other document reasonably satisfactory to Purchaser
evidencing the withdrawal as of the Effective Time of NESI, and any of the other
Transferred Entities that are “Adopting Employers” as defined in the Newpark
Resources, Inc. Savings and Incentive Plan, from said plan; and

     (K) such other documents and certificates required to be delivered by DFI or
Newpark Texas pursuant to the terms of this Agreement.

     (ii) The Purchaser shall deliver or cause to be delivered to or for the benefit of DFI
or Newpark Texas, as applicable, in the case of documents, duly executed, the following:

     (A) the Initial Closing Consideration, less the amount of the Holdback Funds,
in cash by wire transfer of immediately available funds into an account or accounts
designated by Newpark not less than two (2) Business Days prior to the Closing;

     (B) the Holdback Funds in cash by wire transfer of immediately available funds
to the Escrow Agent;

     (C) the certificate required by Section 8.3(c) hereof;

     (D) the Escrow Agreement; and

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     (E) such other documents and certificates required to be delivered by the
Purchaser pursuant to the terms of this Agreement.

     2.4 Working Capital Price Adjustment.

     (a) (i) For the purpose of determining the Initial Closing Consideration, at least five (5)
Business Days prior to the Closing Date, Newpark shall cause to be prepared and delivered to
Purchaser a statement (the “Estimated Closing Statement”) setting forth a good faith
estimate of the Net Working Capital (the “Estimated Net Working Capital”) and the
components and calculation thereof, as of the Effective Time, determined in accordance with this
Section 2.4. The Estimated Closing Statement shall be subject to the review and agreement of
Purchaser, and Newpark and the Purchaser shall cooperate and negotiate in good faith to resolve any
dispute regarding the Estimated Closing Statement prior to the Closing; provided, however, that if
any item of dispute regarding the Estimated Closing Statement and the calculation of the Estimated
Net Working Capital is not resolved by agreement in writing between Newpark and the Purchaser by
the second Business Day prior to the Closing Date, then Newpark’s estimate of such disputed item,
together with the resolved disputed items, shall be deemed final solely for purposes of determining
the Estimated Net Working Capital.

     (ii) To the extent the Estimated Net Working Capital is greater than $5,250,000 (such
difference being herein referred to as the “Estimated Net Working Capital Excess
Amount”), the Initial Closing Consideration shall be increased by the amount of the
Estimated Net Working Capital Excess Amount as provided in Section 2.2. To the extent the
Estimated Net Working Capital is less than $5,250,000 (such difference being herein
referred to as the “Estimated Net Working Capital Deficiency Amount”), the Initial
Closing Consideration shall be reduced by the amount of the Estimated Net Working Capital
Deficiency Amount as provided in Section 2.2.

     (b) Within sixty (60) calendar days of the Closing Date, the Purchaser shall cause to be
prepared and delivered to Newpark a statement (the “Final Closing Statement”) setting forth
the actual Net Working Capital as of the Effective Time (the “Closing Date Net Working
Capital”), the components and calculation thereof, and the difference, if any, between the
Estimated Net Working Capital and the Closing Date Net Working Capital (the amount of such
difference being referred to as the “Final Working Capital Adjustment”). If the Final
Closing Statement reflects a difference between the Estimated Net Working Capital and the amount of
the Closing Date Net Working Capital, Newpark shall have thirty (30) calendar days following the
receipt of the Final Closing Statement to review the components and calculation of the Closing Date
Net Working Capital. The failure of Newpark to object to the Final Closing Statement within such
thirty (30) calendar day period shall be deemed to be an acceptance by Newpark of the Final Working
Capital Adjustment. If Purchaser and Newpark agree on all matters in the Final Closing Statement
and the calculation of the Closing Date Net Working Capital, or if Newpark otherwise fails to
timely object to such matters, then:

     (i) if the Closing Date Net Working Capital is greater than the Estimated Net Working
Capital, the Final Working Capital Adjustment shall be paid by Purchaser to Newpark within
three (3) Business Days of Newpark’s acceptance, or deemed acceptance, of the Final Working
Capital Adjustment, with such funds paid via wire transfer of immediately available funds
to the account designated by Newpark; and

-15-

 

acceptance, of the Final Working Capital Adjustment, with such funds paid via wire
transfer of immediately available funds to the account designated by Newpark; and

     (ii) if the Closing Date Net Working Capital is less than the Estimated Net Working
Capital, the Final Working Capital Adjustment shall be deducted from and reduce the Purchase
Price and Newpark shall pay to Purchaser, within three (3) Business Days of Newpark’s
acceptance, or deemed acceptance, of the Final Working Capital Adjustment, an amount equal
to the Final Working Capital Adjustment, with such amount paid via wire transfer of
immediately available funds to the account designated by Purchaser.

If Newpark and Purchaser are unable to agree on any component or the calculation of the Closing
Date Net Working Capital and the Final Working Capital Adjustment, such dispute shall be resolved
by a nationally recognized accounting firm reasonably acceptable to Newpark and Purchaser who shall
not be Ernst & Young, L.L.P. or Purchaser’s accounting firm (the “Accounting Arbitrator”),
whose determination shall be final and binding on Purchaser and Newpark, and any required payments
by Purchaser to Newpark, on the one hand, or by Newpark to the Purchaser, on the other hand, shall
be made within three (3) Business Days of the final resolution of such dispute. All fees and
expenses of the Accounting Arbitrator shall be paid by the party whose proposed Closing Date Net
Working Capital is farthest from the final Closing Date Net Working Capital as determined by such
Accounting Arbitrator. Any dispute as to which party’s proposed Closing Date Net Working Capital
is closest to the final Closing Date Net Working Capital shall be resolved by the Accounting
Arbitrator and shall be specified in the final report prepared by such Accounting Arbitrator. Each
of Purchaser and Newpark shall pay their respective advisor’s fees, charges and expenses incurred
by such Person in connection with the dispute.

     (c) For purposes of this Agreement, “Net Working Capital” shall (i) be calculated as
of the Effective Time on an aggregate basis among the Transferred Entities and (ii) mean the amount
equal to the Current Assets minus Current Liabilities. “Current Assets” shall mean,
subject to the adjustments set forth below, the current assets of the Transferred Entities as of
the Effective Time comprised of accounts receivable, whether billed or unbilled (net of allowances
for doubtful accounts); costs and estimated earnings in excess of billings on uncompleted
contracts; the current portion of any notes or other receivables; inventories; and prepaid
expenses. “Current Liabilities” shall mean, subject to the adjustments set forth herein,
the
current liabilities of the Transferred Entities as of the Effective Time comprised of accounts
payable; accrued liabilities; the current portion of any Capital Leases; billings in excess of
costs and estimated earnings on uncompleted contracts; and, payroll, accrued incentive compensation
and bonuses, accrued vacation benefits and related taxes and withholdings payable. Subject to the
adjustments set forth below, Current Assets and Current Liabilities shall be computed in accordance
with GAAP on a basis consistent with the December 31, 2006 combined balance sheet of NESI.
Notwithstanding the foregoing, for purposes of calculating the Net Working Capital, the Current
Assets and the Current Liabilities shall not include:

     (i) to the extent not incurred in the ordinary course of business, intercompany
receivables and payables between or among any of the Transferred Entities, Newpark and its
other Affiliates;

-16-

 

     (ii) any bank or funded Indebtedness including, without limitation, any short-term debt
and the current portion of any long-term debt; and

     (iii) any liability for income taxes payable by any of the Transferred Entities.

     (d) The provisions of this Section 2.4 shall not be subject to the provisions of Article X
hereof or any limitations of liability set forth therein.

     2.5 Earn-Out Consideration. Subject to the terms and conditions of this Section 2.5, DFI and
Newpark Texas shall be entitled to receive the following additional consideration (the
“Earn-Out Consideration”), if earned.

     (a) Payment of Earn-Out Consideration. For each of the first five Measurement
Periods, in the event the Post-Closing EBITDA exceeds the Baseline EBITDA for an individual
Measurement Period, Purchaser and/or Trinity will pay to DFI and Newpark Texas additional aggregate
consideration (a “Measurement Period Earn-Out Payment”) of Fifty Cents ($0.50) for each One
Dollar ($1.00) that the Post-Closing EBITDA for any individual Measurement Period exceeds the
Baseline EBITDA; provided, however, that in no event shall the total Earn-Out Consideration payable
hereunder exceed $8,000,000, subject to adjustment as provided in Section 5.14(c) (as adjusted, the
“Maximum Earn-Out Amount”). If the Closing occurs during 2008, for purposes of calculating
the Measurement Period Earn-Out Payment for the initial Measurement Period, the Baseline EBITDA
shall be proportionately reduced to an amount equal to the Baseline EBITDA multiplied by a
fraction, the numerator of which is the number of full calendar months in 2008 following the
Closing and the denominator of which is twelve (12).

     (b) Post-Closing EBITDA. For purposes of this Agreement, “Post-Closing
EBITDA” means the combined net income of Trinity, Moss Bluff Property, L.P. (“MBP”) and
Purchaser for the relevant Measurement Period, calculated in accordance with GAAP consistently
applied, plus interest expenses, federal, state and local taxes based on income, depreciation and
amortization and subject to the adjustments as provided in this Section 2.5(b). In calculating
Post-Closing EBITDA, the parties agree to the following adjustments: (i) all legal, accounting,
broker and advisory fees and expenses directly related to the acquisition of the Transferred
Entities and Escrow Agreement expenses shall be disregarded; (ii) management fees payable to
Affiliates of Trinity and/or Purchaser shall be disregarded; (iii) asset impairments and
similar non-cash charges shall be disregarded; and (iv) any extraordinary, non-recurring or unusual
gains, losses or expenses on sales of assets or businesses (including sales other than in the
ordinary course of business) shall be disregarded.

     (c) Baseline EBITDA. For purposes of this Agreement, the “Baseline EBITDA”
means an amount equal to (i) the combined net income, calculated in accordance with GAAP
consistently applied, plus interest expenses, federal, state and local taxes based on income,
depreciation and amortization and subject to the adjustments as provided in this Section 2.5(c), of
(A) Trinity and MBP, on a combined basis, and (B) the Transferred Entities, on a combined basis,
for the twelve (12) calendar month period ending with the month immediately preceding the month in
which the Closing occurs, less (ii) the sum of $500,000; provided, however, that the Baseline
EBITDA, for purposes of calculating the Measurement Period Earn-Out Payment for any Measurement
Period, shall not be less than $17,694,000. (For the avoidance of doubt, if the

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Closing occurs in
December 2007, the Baseline EBITDA shall be determined for the period of December 1, 2006 through
November 30, 2007.) In calculating Baseline EBITDA, the parties agree to the following
adjustments: (i) all legal, accounting, broker and advisory fees and expenses directly related to
the acquisition of the Transferred Entities and Escrow Agreement expenses shall be disregarded;
(ii) general administrative and overhead expenses shall be disregarded with respect to the
Transferred Entities, except that direct costs of Newpark and its Affiliates related to the
Business prior to the Closing shall be considered for purposes of calculating Baseline EBITDA;
(iii) management fees payable to Affiliates of Trinity and/or MBP shall be disregarded with respect
to Trinity and MBP; (iv) asset impairments and similar non-cash charges shall be disregarded; and
(v) any extraordinary, non-recurring or unusual gains, losses or expenses on sales of assets or
businesses (including sales other than in the ordinary course of business) shall be disregarded.
Within five (5) Business Days of the execution of this agreement the parties shall jointly prepare
an estimate of the Baseline EBITDA, calculated on a pro forma basis in accordance with the
foregoing provisions as if the Closing occurred in December 2007 (the “Estimated Baseline
EBITDA”). Not less than five (5) Business Days prior to the Closing Date, Newpark and
Purchaser shall deliver to the other a statement setting forth such party’s respective input into
the calculation of the actual Baseline EBITDA. The actual Baseline EBITDA shall be calculated in a
manner consistent with the calculation of the Estimated Baseline EBITDA. Newpark and Purchaser
shall attempt, in good faith, to mutually agree upon the actual Baseline EBITDA on or before the
Closing Date. Each such party shall provide to the other access to all relevant books, records and
personnel as may be reasonably requested for purposes of determining the final Baseline EBITDA. If
Newpark and Purchaser are unable to mutually agree upon the final Baseline EBITDA prior to the
Closing Date, such dispute shall be resolved promptly following the Closing by an Accounting
Arbitrator, who shall be selected in the same process described in Section 2.4(b), whose decision
shall be final and binding on the parties hereto. All fees and expenses of the Accounting
Arbitrator shall be paid by the party whose proposed Baseline EBITDA is farthest from the final
Baseline EBITDA as determined by the Accounting Arbitrator. Any dispute as to which party’s
proposed Baseline EBITDA is closest to the final Baseline EBITDA shall be resolved by the
Accounting Arbitrator and shall be specified in the final report prepared by such Accounting
Arbitrator. Each of Newpark and Purchaser shall pay their respective advisor’s fees, charges and
expenses incurred by such Person in connection with the dispute. At the Closing, unless a dispute
exists with respect to the calculation of the actual Baseline EBITDA (which shall be resolved by
the
Accounting Arbitrator post-Closing), the parties shall execute a written acknowledgment of the
actual Baseline EBITDA as finally determined in accordance with this Section 2.5(c).

     (d) Procedures for Calculating Post-Closing EBITDA and Measurement Period Earn-Out
Payments.

     (i) Within one hundred twenty (120) days following the end of each of the first five
(5) Measurement Periods, Purchaser will deliver to Newpark a statement in writing setting
forth Purchaser’s determination of the Post-Closing EBITDA for such Measurement Period, and
a calculation of the resulting Measurement Period Earn-Out Payment to be made by Purchaser
and/or Trinity for such Measurement Period (each such statement, a “Trinity Earn-Out
Statement”). Trinity or Purchaser shall provide to Newpark prior to March 1 of each
calendar year following each of the first five (5) Measurement Periods a preliminary
non-binding estimate of the Post-Closing EBITDA

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and Measurement Period Earn-Out Payment
relating to the immediately preceding Measurement Period. During each of the first five (5)
Measurement Periods, upon reasonable request by Newpark, Trinity or Purchaser shall provide
quarterly estimates of the Post-Closing EBITDA for any such Measurement Period for purposes
of Newpark’s financial reporting obligations.

     (ii) Newpark shall have a period of up to thirty (30) days following its receipt of a
Trinity Earn-Out Statement to review Purchaser’s calculation of Post-Closing EBITDA and the
applicable Measurement Period Earn-Out Payment. In connection with the review of the
Trinity Earn-Out Statement, Purchaser shall, and shall cause Trinity and MBP to, provide to
Newpark reasonable access to all relevant books and records and personnel of Purchaser,
Trinity, MPB and their Affiliates. If, as a result of such review, Newpark disagrees with
the calculation of Post-Closing EBITDA and the respective Measurement Period Earn-Out
Payment, Newpark shall deliver to Purchaser a written notice of disagreement (an
“Earn-Out Dispute Notice”) prior to the expiration of such thirty (30) day review
setting forth the basis of such dispute. Upon Purchaser’s receipt of an Earn-Out Dispute
Notice, Purchaser and Newpark agree to negotiate in good faith to resolve the dispute set
forth in the Earn-Out Dispute Notice. If Purchaser and Newpark have not resolved the
dispute within thirty (30) days following Purchaser’s receipt of the Earn-Out Dispute Notice
(or such longer period of time as Purchaser and Newpark may mutually agree), then Newpark
and Purchaser agree to finally resolve such dispute in accordance with Section 2.5(d)(iii)
below.

     (iii) If Purchaser and Newpark cannot reach agreement as described in
Section 2.5(d)(ii) above, then the dispute shall be promptly referred to an Accounting
Arbitrator, who shall be selected in the same process described in Section 2.4(b), for
binding resolution. The Accounting Arbitrator shall determine the Post-Closing EBITDA for
the respective Measurement Period and the applicable Measurement Period Earn-Out Payment in
accordance with the provisions of this Agreement as promptly as may be reasonably
practicable and shall endeavor to complete such process within a period of no more than
sixty (60) days following appointment of the Accounting Arbitrator. A determination of the
Accounting Arbitrator, absent manifest error, shall be final and binding on the parties,
effective as of the date the Accounting Arbitrator’s written opinion
is received by Purchaser and Newpark. Purchaser and Newpark shall each pay their own
respective costs and expenses in connection with the foregoing dispute resolution process,
but all fees and expenses of the Accounting Arbitrator shall be paid by the party whose
proposed Post-Closing EBITDA and Measurement Period Earn-Out Payment is farthest from the
final Post-Closing EBITDA and Measurement Period Earn-Out Payment as determined by such
Accounting Arbitrator. Any dispute as to which party’s proposed Post-Closing EBITDA and
Measurement Period Earn-Out Payment is closest to the final Post-Closing EBITDA and
Measurement Period Earn-Out Payment shall be resolved by the Accounting Arbitrator and shall
be specified in the final report prepared by such Accounting Arbitrator.

     (iv) Prior to the date that is the earlier of (A) ten (10) days following the final
determination of the Measurement Period Earn-Out Payment in accordance with this
Section 2.5(d) (whether by failure of Newpark to deliver an Earn-Out Dispute Notice

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within
the required time period, by agreement of the parties, or by receipt of an opinion of the
Accounting Arbitrator), and (B) one hundred fifty (150) days following the end of the
relevant Measurement Period, Trinity and/or Purchaser shall pay to Newpark an amount in cash
equal to the Measurement Period Earn-Out Payment as finally determined in accordance with
this Section 2.5(d); provided, however, that if payment is to be made pursuant to clause (B)
and the Measurement Period Earn-Out Payment shall not have been finally determined as of the
date which is one hundred fifty (150) days following the end of the relevant Measurement
Period, Trinity and/or Purchaser shall pay to Newpark the Measurement Period Earn-Out
Payment as proposed in the Trinity Earn-Out Statement and within ten (10) days following the
final determination of the Measurement Period Earn-Out Payment, (x) Trinity and/or Purchaser
shall pay to Newpark any additional amounts which may be payable for such Measurement
Period, or (y) Newpark shall return to Trinity and/or Purchaser, as the case may be, any
excess amount received by Newpark for such Measurement Period.

     (e) Accelerated Earn-Out Payment. Notwithstanding anything herein to the contrary, if
during any of the first five (5) Measurement Periods (1) Trinity, MBP or the Purchaser undergoes a
Trinity Change of Control, or (2) Trinity, MPB or the Purchaser undertakes a Recapitalization,
Trinity and/or Purchaser shall pay to DFI and Newpark Texas an aggregate amount equal to the
Maximum Earn-Out Amount less the aggregate amount of any Measurement Period Earn-Out Payments paid
to Newpark, DFI, and Newpark Texas prior to such Recapitalization or Trinity Change in Control
(such difference, the “Accelerated Earn-Out Payment”). The Accelerated Earn-Out Payment
shall be payable concurrently with the consummation of the Trinity Change of Control or
Recapitalization. For purposes of this Agreement, a “Trinity Change of Control” shall mean
(A) a merger or consolidation of Trinity, MBP or Purchaser with or into any other corporation or
other entity or Person or (B) a sale, lease, exchange or other transfer in one transaction or
series of related transactions of all or substantially all of Trinity’s, MBP’s or Purchaser’s
outstanding securities or all or substantially all of Trinity’s, MBP’s or Purchaser’s assets;
provided, that the following events shall not constitute a “Trinity Change of Control”: (i) a
merger or consolidation of Trinity, MBP or Purchaser in which the holders of the voting securities
of such entity immediately prior to the merger or consolidation hold at least a majority of the
voting securities in the successor corporation immediately after the merger or consolidation;
(ii) a sale, lease, exchange or other
transfer in one transaction or a series of related transactions of all or substantially all of
Trinity’s, MBP’s or Purchaser’s assets to a wholly-owned subsidiary of Trinity; (iii) in the case
of Trinity and/or MBP, any merger, consolidation, contribution by or reorganization of Trinity
and/or MBP in which all of such entity’s operating assets are merged into, consolidated with or
otherwise contributed to Purchaser or any Affiliate of Purchaser; or (iv) the reincorporation of
Trinity, MBP or Purchaser. For purposes of this Agreement, a “Recapitalization” shall mean
a transaction or series of related transactions pursuant to which Trinity, MBP or Purchaser
receives additional debt and/or equity financing (other than additional draws pursuant to their
respective credit facilities) in an aggregate amount equal to or in excess of $15,000,000.

     (f) By execution of this Agreement, Trinity acknowledges and agrees that Trinity is, together
with Purchaser, primarily liable for the payment of any Earn-Out Consideration that may be payable
to Newpark pursuant to this Section 2.5 and that Newpark, DFI and Newpark Texas may proceed
directly against Trinity for the recovery of any Earn-Out Consideration that

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may be payable
pursuant to this Section 2.5; provided, however, that nothing in this Section 2.5 shall prohibit or
prevent any merger, consolidation, contribution by or reorganization of Trinity in which (i) all of
Trinity’s operating assets are merged into, consolidated with or otherwise contributed to Purchaser
or any Affiliate of Purchaser, and (ii) all of Trinity’s rights and liabilities under this
Agreement are assigned to such successor in interest to Trinity’s assets in accordance with the
provisions of Section 11.6 hereof. The provisions of this Section 2.5 shall not be subject to the
provisions of Article X hereof or any limitations of liability set forth therein.

     2.6 Purchase Price Allocation. The parties agree to allocate the Purchase Price (including,
for purposes of this Section 2.6, any other consideration treated for U.S. federal income tax
purposes as being paid to Newpark, including any applicable liabilities assumed or taken subject
to) among the assets of the Transferred Entities in accordance with an allocation schedule to be
prepared by Purchaser in accordance with this Section 2.6. Within thirty (30) days of the final
determination of the Closing Date Net Working Capital and Final Working Capital Adjustment,
Purchaser shall deliver to Newpark an allocation statement setting forth Purchaser’s allocation of
the Purchase Price pursuant to Section 1060 of the Code and any other applicable Tax Laws (as the
same may be revised pursuant to this Section 2.6, the “Allocation Statement”). Within
forty-five (45) days following its receipt of the Allocation Statement, Newpark shall have the
right to dispute any such proposed allocation; otherwise, such proposed allocation shall become
final. If Newpark so disputes any such allocation and Purchaser and Newpark are unable to resolve
their disagreement within the forty-five (45) days following notification of such dispute, the
dispute shall be submitted to the Accounting Arbitrator, whose expense shall be borne equally by
Purchaser and Newpark, for resolution within forty-five (45) days of such submission. The decision
of the Accounting Arbitrator with respect to such dispute shall be binding upon Purchaser and
Newpark. Purchaser and Newpark (i) shall be bound by the allocations determined pursuant to this
Section 2.6 for purposes of determining any Taxes; (ii) shall prepare and file all Tax Returns
(such as IRS Form 8594 or other Tax Returns required by Section 1060 of the Code) to be filed with
any Tax authority in a manner consistent with such allocation; and (iii) shall take no position
inconsistent with such allocations in any Tax Return, any proceeding before any Tax authority or
otherwise. In the event that any such allocation is disputed by any Tax authority, the
party receiving notice of such dispute shall promptly notify and consult with the other party
hereto concerning resolution of such dispute.

     2.7 Further Assurances. At any time and from time to time after the Closing Date, each party
hereto shall, at the request of another party and at such requesting party’s sole cost and expense,
execute and deliver such other instruments of conveyance and transfer and take such other actions
as such other party may reasonably request in order to more effectively consummate the transactions
contemplated hereby and to vest in the Purchaser title to all of the rights, title and interest of
DFI and Newpark Texas, as applicable, in and to the Transferred Interests. The parties hereto
acknowledge that the transaction shall be treated as an asset sale for federal and state income tax
purposes and that all federal and state tax net operating losses will be retained by Newpark.

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ARTICLE III

REPRESENTATIONS AND WARRANTIES OF NEWPARK

     Except as set forth in the corresponding Section of the disclosure schedule delivered to
Purchaser concurrently with the execution of this Agreement (the “Newpark Disclosure
Schedule”) (it being agreed that disclosure of any item on the Newpark Disclosure Schedule in
any one or more Sections of the Newpark Disclosure Schedule shall be deemed disclosure with respect
to other sections of this Agreement if the relevance of such disclosure to a representation or
warranty is reasonably apparent), Newpark represents and warrants to Purchaser as follows:

     3.1 Organization and Qualification.

     (a) Each of DFI and Newpark Texas and each Transferred Entity is (i) a corporation or other
legal entity duly organized, validly existing and in good standing under the Laws of the
jurisdiction of its organization and has all requisite corporate or other organizational power and
authority to carry on its businesses as now being conducted and (ii) qualified to do business and
is in good standing as a foreign corporation in each jurisdiction where the conduct of its business
requires such qualification, except, in the case of clause (ii), where the failure to be so
qualified or in good standing, would not reasonably be expected to have a Material Adverse Effect.

     (b) Except for (i) the conversion of Newpark Environmental Services of Texas, LP, a Texas
limited partnership, into NESI, and (ii) the merger of each of NID, LP, a Texas limited
partnership, NES Permian Basin, LP, a Texas limited partnership, and Newpark Environmental
Services, LLC, a Louisiana limited liability company (collectively, the “Predecessor
Entities”) into NESI, no entity has since January 1, 2006 been merged into or otherwise
consolidated with, and no entity has been converted into, a Transferred Entity, any of the
Predecessor Entities or Newpark Environmental Services of Texas, LP.

     3.2 Capitalization of the Transferred Entities.

     (a) The Transferred Interests constitute the entire membership or partnership interests, as
applicable, in the Transferred Entities and are collectively wholly owned by DFI, Newpark Texas or
NESI, as applicable, free and clear of all Liens other than the Liens described in Section 3.2(a)
of the Newpark Disclosure Schedule and have not been issued in violation of any preemptive or
similar rights. Except for the Transferred Interests, there are no other equity interests of any
Transferred Entities reserved, issued or outstanding, and except as set forth in the Organizational
Documents of any Transferred Entity, there are no preemptive or other outstanding rights, options,
warrants, equity appreciation rights, redemption rights, repurchase rights, convertible,
exercisable, or exchangeable securities or other agreements of any character relating to the issued
or unissued ownership interest in any of the Transferred Entities or any other securities or
obligations convertible or exchangeable into or exercisable for, or giving any Person a right to
subscribe for or acquire, any securities or other equity interests of any Transferred Entity or
which obligate any of the Transferred Entities to issue any of its membership or partnership
interests, as applicable, or other securities or which otherwise relate to the sale or transfer by
any Transferred Entity of any of its ownership interests or securities (whether debt or equity).
Except as set forth in the Organizational Documents of any Transferred Entity, no Transferred
Entity has an obligation (contingent or otherwise) to purchase,

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redeem or otherwise acquire any of
its securities or ownership interests or to pay any dividend or make any distribution in respect
thereof. Neither Newpark, DFI, Newpark Texas nor any of the Transferred Entities have agreed to
register any ownership interests in or securities of the Transferred Entities under the Securities
Act of 1933, as amended (the “Act”), or under any state securities Law.

     (b) Except as set forth in the Organizational Documents of any Transferred Entity, there are
no voting trusts or other agreements or understandings to which any Transferred Entity is a party
with respect to the voting of the Transferred Interests.

     (c) All Transferred Entities and their respective jurisdictions of organization, and for each
Transferred Entity the number of outstanding units or percentage interests or other equity
interests in such Transferred Entity and the identity of the holders of such units or interests are
identified in Section 3.2(c) of the Newpark Disclosure Schedule.

     (d) Except for NESI’s ownership of interests in NESI Management and NESI Mississippi, no
Transferred Entity owns or controls, directly or indirectly, any capital stock, membership
interests, security or other equity interest in any other Person.

     3.3 Authority Relative to This Agreement. Newpark, DFI and Newpark Texas each has all necessary
corporate or limited liability company power and authority, and has taken all corporate or limited
liability company action necessary, to execute, deliver and perform this Agreement and any
agreements ancillary hereto and to consummate the transactions contemplated by this Agreement in
accordance with the terms of this Agreement. This Agreement has been duly and validly executed and
delivered by Newpark, DFI and Newpark Texas and, assuming the due authorization, execution and
delivery of this Agreement by Purchaser, constitutes a valid, legal and binding agreement of
Newpark, DFI and/or Newpark Texas (as applicable) enforceable against each in accordance with its
terms. As of the Closing, each ancillary document hereto will be duly and validly executed by
Newpark, DFI and/or Newpark Texas (as applicable) and, assuming the due authorization,
execution and delivery of any such ancillary agreements hereto by Purchaser (as applicable), will
constitute the valid, legal and binding agreement of Newpark, DFI and/or Newpark Texas (as
applicable), enforceable against each in accordance with their terms.

     3.4 Consents and Approvals; No Violations. No filing with or notice to, and no permit,
authorization, registration, consent or approval of, any Governmental Entity is required on the
part of Newpark, DFI, Newpark Texas or any Transferred Entity for the execution, delivery and
performance by Newpark, DFI or Newpark Texas of this Agreement or the consummation by Newpark, DFI
or Newpark Texas of the transactions contemplated by this Agreement, except (i) compliance with any
applicable requirements of the HSR Act, (ii) as may be required with respect to the state or
federal licenses or permits relating to the Business set forth on Section 3.9 and Section 3.13(b)
of the Newpark Disclosure Schedule, or (iii) as set forth in Section 3.4 of the Newpark Disclosure
Schedule. Assuming compliance with the items described in clauses (i) through (iii) of the
preceding sentence, and except as set forth in Section 3.4 of the Newpark Disclosure Schedule,
neither the execution, delivery and performance of this Agreement by Newpark, DFI or Newpark Texas
nor the consummation by Newpark, DFI or Newpark Texas of the transactions contemplated by this
Agreement will

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(A) conflict with or result in any breach, violation or infringement of any
provision of the respective Organizational Documents of Newpark, DFI, Newpark Texas or any
Transferred Entity, (B) result in a breach, violation or infringement of, or constitute (with or
without due notice or lapse of time or both) a default (or give rise to the creation of any Lien,
except for Permitted Liens, or any right of termination, amendment, modification, cancellation or
acceleration) or require the consent of or other action by any Person under, any of the terms,
conditions or provisions of any Contract or Order, arbitration award, judgment or decree or other
instrument binding on Newpark, DFI, Newpark Texas or any Transferred Entities, or (C) violate or
infringe any Law applicable to Newpark, DFI, Newpark Texas or any Transferred Entity or any of
their respective properties or assets, except for breaches, violations, infringements, defaults,
Liens or other rights that would not, individually or in the aggregate, reasonably be expected to
have a Material Adverse Effect.

     3.5 Compliance with Law. Except with respect to the subject matter of Section 3.10 (Employee
Benefits; Labor Matters), Section 3.12 (Taxes) and Section 3.13 (Environmental Matters), which
constitute the sole and exclusive representations and warranties of Newpark with respect to
compliance with Tax Laws, employee benefits and labor Laws, and Environmental Laws, the operations
of the Transferred Entities and the conduct of the Business are, and have been, conducted in all
material respects in accordance with all applicable Laws, regulations, orders or other requirements
of all Governmental Entities having jurisdiction over the Transferred Entities or the Business.
None of Newpark or any Transferred Entity has received notice of any violation by the Transferred
Entities of any such Law, regulation, order or other legal requirement relating to violations
pending as of the date hereof, and no Transferred Entity is currently in default with respect to
any order, writ, judgment, award, injunction or decree of any Governmental Entity applicable to the
Transferred Entities or the Business, except for any violation, breach or default
which would not, individually or in the aggregate, reasonably be expected to have a Material
Adverse Effect.

     3.6 Financial Statements; Liabilities.

     (a) Section 3.6(a) of the Newpark Disclosure Schedule contains the combined unaudited balance
sheet and statement of operations of the Transferred Entities as of and for the fiscal year ended
December 31, 2006 (collectively, with any notes thereto, the “Annual Financial
Statements”). The Annual Financial Statements have been prepared in accordance with GAAP
applied on a consistent basis (except as may be noted therein), and present fairly, in all material
respects, the combined financial position and the combined results of operations of the Transferred
Entities as of the dates set forth therein, except that the Annual Financial Statements do not
include footnotes that would be required by GAAP and do not include a statement of cash flows.
Except as set forth on Section 3.6(a) of the Newpark Disclosure Schedule, since December 31, 2006,
none of the Transferred Entities has (i) made any material change in its accounting policies or
(ii) effected any prior period adjustment to, or other restatement of, its financial statements for
any period covered by the Annual Financial Statements. The Annual Financial Statements have been
prepared from and are consistent in all material respects with the books and records of the
Transferred Entities (which books and records are correct and complete in all material respects).

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     (b) Section 3.6(b) of the Newpark Disclosure Schedule contains the combined unaudited balance
sheet and statement of operations of the Transferred Entities as of and for the eight (8) month
period ended August 31, 2007 (collectively, with any notes thereto, the “Interim Financial
Statements”). The Interim Financial Statements have been prepared in accordance with GAAP
applied on a consistent basis (except as may be noted therein), and present fairly, in all material
respects, the combined financial position and the combined results of operations of the Transferred
Entities as of August 31, 2007, except that the Interim Financial Statements do not include
footnotes that would be required by GAAP and do not include a statement of cash flows. The Interim
Financial Statements have been prepared from and are consistent, in all material respects, with the
financial books and records of the Transferred Entities (which financial books and records are
correct and complete in all material respects).

     (c) There are no liabilities or obligations of the Transferred Entities of any nature, whether
or not accrued, contingent or otherwise, that would be required by GAAP to be reflected on a
balance sheet or the notes thereto of the Transferred Entities, other than those that (i) are
reflected or reserved against on the respective balance sheets included in the Interim Financial
Statements; (ii) have been incurred in the ordinary course of business since August 31, 2007
consistent with prior practice; or (iii) are permitted or expressly contemplated by this Agreement.

     (d) Newpark has devised and maintained, or has caused the Transferred Entities to devise and
maintain, systems of internal accounting controls sufficient to provide reasonable assurance that
all transactions by the Transferred Entities are recorded as necessary to permit the preparation of
the Transferred Entities’ financial statements in accordance with GAAP, and to maintain proper
accountability for items. Notwithstanding the foregoing, the following filings
by Newpark with the SEC pursuant to the Securities Exchange Act of 1934, and the rules
promulgated thereunder, the pertinent provisions of which are set forth in Section 3.6(d) of the
Newpark Disclosure Schedule, set forth certain disclosures regarding Newpark’s internal controls:
Amendment No. 2 to the Annual Report on Form 10-K/A for the year ended December 31, 2005; Quarterly
Report on Form 10-Q for the quarterly periods ending March 31, 2006, June 30, 2006 and
September 30, 2006; Annual Report on Form 10-K for the year ended December 31, 2006; and Quarterly
Report on Form 10-Q for the quarterly periods ending March 31, 2007 and June 30, 2007.

     3.7 Absence of Certain Changes or Events. Except as contemplated by this Agreement or as set forth
in Section 3.7 of the Newpark Disclosure Schedule, since December 31, 2006, the Business has been
conducted, in all material respects, in the ordinary course consistent with past practice and there
has not been with respect to the Transferred Entities (i) any event, development or state of
circumstances that has had or would reasonably be expected to have, individually or in the
aggregate, a Material Adverse Effect, (ii) any damage, destruction, loss or casualty to property or
assets that are material to the Business, (iii) any increase in compensation payable or benefits to
directors, officers, managers or key employees of the Transferred Entities other than in the
ordinary course of business, (iv) any single capital expenditure or commitment in excess of
$175,000 for additions to property or equipment, or aggregate capital expenditures and commitments
in excess of $375,000 (on a consolidated basis) for additions to property or equipment, (v) any
incurrence of any Indebtedness by the Transferred Entities, (vi) any material payments, discount
activity or any other consideration to customers or suppliers, other than in the ordinary course of
business consistent with past

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practice, (vii) any failure to pay or satisfy when due any material liability of any Transferred
Entity, or (viii) any commitment or agreement to do any of the foregoing.

     3.8 Litigation. As of the date of this Agreement, (i) except as set forth in Section 3.8 of
the Newpark Disclosure Schedule, there is no Action pending or, to the knowledge of Newpark,
threatened against any Transferred Entity with respect to the Business, and (ii) no Transferred
Entity is subject to any outstanding order, judgment, writ, injunction, stipulation, award or
decree (“Order”). Since January 1, 2003, neither Newpark nor any of the Transferred
Entities has received any written claim from a holder of a mineral interest or right seeking the
recovery of royalties resulting from the operations conducted in the Business nor, to the knowledge
of Newpark, has any such holder threatened to bring any such claim.

     3.9 Permits. Except with respect to the subject matter of Section 3.13 (Environmental
Matters), which constitutes the sole and exclusive representations and warranties of Newpark with
respect to Environmental Permits, the Transferred Entities have all material Permits necessary to
conduct the Business as currently conducted and to operate, own, lease or otherwise hold the assets
of the Transferred Entities. All such Permits are (i) listed in Section 3.9 of the Newpark
Disclosure Schedule and (ii) in full force and effect, and there are no proceedings pending or, to
the knowledge of Newpark, threatened, that seek the revocation, cancellation, suspension or any
adverse modification of any such Permits.

     3.10 Employee Benefits; Labor Matters.

     (a) Section 3.10(a) of the Newpark Disclosure Schedule sets forth a true and complete list of
all Benefit Plans. With respect to each Benefit Plan, Newpark and/or Newpark Texas has made
available to Purchaser true and correct copies of (i) each Benefit Plan (or, if not written, a
written summary of its material terms), including without limitation all plan documents, trust
agreements, insurance contracts or other funding vehicles and all amendments thereto, (ii) all
current summary plan descriptions, (iii) the most recent annual report (Form 5500 series) filed
with the Internal Revenue Service (“IRS”) with respect to such Benefit Plan, (iv) the most
recent actuarial report or other financial statement relating to such Benefit Plan, (v) the most
recent determination or opinion letter, if any, issued by the IRS with respect to any Benefit Plan
and any pending request for such a determination, (vi) the most recent nondiscrimination tests
performed under the Code (including 401(k) and 401(m) tests) for each Benefit Plan, (vii) all
material filings, other than routine tax filings, made with any Governmental Entity, including
without limitation any filings under the Employee Plan Compliance Resolution System
(“EPCRS”) or the Department of Labor Voluntary Delinquent Filer or Voluntary Fiduciary
Correction Programs during the past twelve (12) months.

     (b) With respect to the Benefit Plans identified in Section 3.10(a) of the Newpark Disclosure
Schedule, as applicable, and except as set forth in Section 3.10(b) of the Newpark Disclosure
Schedule, (i) each has been operated in all material respects in accordance with its terms and in
compliance with applicable Laws, including applicable provisions of ERISA, the Code and other
applicable Law; (ii) each that is intended to be qualified within the meaning of Section 401(a) of
the Code has received a favorable determination letter as to its qualification; (iii) no
“reportable event” (as such term is defined in Section 4043 of ERISA) that would reasonably be
expected to result in material liability, no nonexempt “prohibited transaction” (as

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such term is
defined in Section 406 of ERISA and Section 4975 of the Code) or “accumulated funding deficiency”
(as such term is defined in Section 302 of ERISA and Section 412 of
the Code (whether or not waived) has occurred with respect to any such plan that is subject to
ERISA; (iv) no suit, administrative proceeding, action or other litigation is pending, or to the
knowledge of Newpark or Newpark Texas is threatened, against or with respect to any such Benefit
Plan, including any audit or inquiry by the IRS or United States Department of Labor (other than
routine benefits claims), which could continue to be a liability of a Transferred Entity after the
Effective Time, (v) no Transferred Entity has any liability under ERISA Section 502, (vi) all
contributions and payments to such Benefit Plan are deductible and have been deductible under Code
Sections 162 or 404, and (vii) no Transferred Entity has any liability for an excise tax under
Chapter 43 of the Code.

     (c) Except as set forth in Section 3.10(c) of the Newpark Disclosure Schedule, all
contributions or payments required to be made or accrued before the Effective Time under the terms
of any Benefit Plan in which any Transferred Employees participate will have been made or accrued
by the Effective Time, except where the failure to make any such contribution or payment would not,
individually or in the aggregate, have a Material Adverse Effect. No Benefit Plan is subject to
Title IV of ERISA or Section 412 of the Code. No Transferred Entity has incurred or reasonably is
expected to incur any liability to the Pension Benefit Guaranty Corporation with respect to any
Benefit Plan. No Benefit Plan is a “multiemployer plan” (as defined in Section 3(37) of ERISA).

     (d) Except as required by Law, no Benefit Plan provides any of the following retiree or
post-employment benefits to any Person: medical, disability or life insurance benefits. No Benefit
Plan is a voluntary employee beneficiary association under Section 501(a)(9) of the Code. Newpark
and its Subsidiaries are in material compliance with (i) the requirements of the applicable health
care continuation and notice provisions of the Consolidated Omnibus Budget Reconciliation Act of
1985, as amended, and the regulations (including proposed regulations) thereunder and any similar
state Law and (ii) the applicable requirements of the Health Insurance Portability and
Accountability Act of 1996, as amended, and the regulations (including the proposed regulations)
thereunder.

     (e) No payment or benefit provided pursuant to any Benefit Plan between a Transferred Entity
and any “service provider” (as such term is defined in Section 409A of the Code and the Treasury
Regulations and IRS guidance thereunder) will or may provide for the deferral of compensation
subject to Section 409A of the Code, whether pursuant to the execution and delivery of this
Agreement or the consummation of the transactions contemplated hereby (either alone or upon the
occurrence of any additional or subsequent events) or otherwise.

     (f) Section 3.10(f) of the Newpark Disclosure Schedule lists all current employees of the
Transferred Entities as of October 3, 2007 and their hourly rates of compensation or base salaries
(as applicable) and their respective accrued vacation, sick leave and other paid time off days. In
addition, to the extent any current employee of a Transferred Entity is on a leave of absence as of
October 3, 2007, Section 3.10(f) of the Newpark Disclosure Schedule indicates the nature of such
leave of absence and each such employee’s anticipated date of return to active employment. The
Transferred Entities currently comply in all material respects and during the past three (3) years
have continuously complied in all material respects, with all Laws relating to

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the hiring,
employment and termination of workers, including, but not limited to, Laws relating to the
classification of workers, wages, hours, overtime, employment taxes, equal employment opportunity,
non-discrimination, medical leave, military leave, and immigration and with all Laws governing
occupational health and safety.

     (g) None of the Transferred Entities is delinquent in payments to, or on behalf of, any
employees for any wages, salaries, commissions, bonuses or other direct compensation for any
services performed by employees to date or amounts required to be reimbursed to such employees.
None of the Transferred Entities is delinquent in payments of any employment taxes on behalf of any
employees with respect to services provided through the Closing Date. There has been no charge of
discrimination filed or, to the knowledge of Newpark, threatened, against any of the Transferred
Entities with the Equal Employment Opportunity Commission or similar Governmental Entity. There is
no pending or,
to the knowledge of Newpark, threatened administrative or judicial proceeding or material
investigation under the Fair Labor Standards Act, the Family and Medical Leave Act, the Americans
with Disabilities Act, the Age Discrimination in Employment Act, Title VII of the Civil Rights Act
of 1964, the Occupational Safety and Health Act, the National Labor Relations Act, ERISA, the Code,
or any other federal or state Law relating to the employees of the Transferred Entities.

     (h) None of the Transferred Entities is a party to or otherwise bound by any collective
bargaining agreement or other contract or agreement with any labor organization, nor is any such
contract or agreement presently being negotiated. There is no pending or, to the knowledge of
Newpark, threatened (i) material unfair labor practice, labor dispute (other than routine
individual grievances), labor arbitration proceeding or Action pertaining to labor issues or
matters against the Transferred Entities relating to the Business, by or on behalf of any employee,
prospective employee, former employee, labor organization or Governmental Entity, (ii) material
activity or proceeding by a labor union or representative thereof to organize any employees of the
Transferred Entities, or (iii) lockouts, strikes, material slowdowns, material work stoppages or
other material labor controversies by or with respect to employees of the Transferred Entities.

     (i) None of Newpark, Newpark Texas or any Transferred Entity has received any notice of any
violation of any immigration and naturalization Laws relating to employment and employees, and each
of Newpark, Newpark Texas and any Transferred Entity has properly completed and maintained all
applicable immigration and naturalization forms as required by Law (including, where applicable but
not limited to, I-9 forms) with respect to the past and present employees of the Business.
Newpark, Newpark Texas and the Transferred Entities are in compliance with all such immigration and
naturalization Laws and there are no citations, investigations, administrative proceedings or
formal complaints or violations of the immigration or naturalization Laws pending or, to Newpark’s
knowledge, threatened before any Governmental Entity involving any past or present employees of the
Business.

     (j) Section 3.10(j) of the Newpark Disclosure Schedule sets forth a true, complete and correct
description of (i) all pending or, to the knowledge of Newpark, threatened claims as of the date
hereof and immediately prior to the Closing of past or present employees of the Business for
compensation for injury, disability or illness arising out of such employee’s

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employment in the
Business, and (ii) any accident that occurred within the past two years in which any employee of
the Business was injured within the course and scope of employment.

     3.11 Brokers. No broker, finder or investment banker is entitled to any brokerage or finder’s
fee or other commission in connection with the transactions contemplated by this Agreement based
upon arrangements made by or on behalf of Newpark, DFI, Newpark Texas or the Transferred Entities.
Newpark shall solely be responsible for the fees of its financial advisors under any arrangement
made by on or on behalf of Newpark, DFI, Newpark Texas or the Transferred Entities.

     3.12 Taxes.

     (a) Except as set forth in Section 3.12 of the Newpark Disclosure Schedule (i) all Tax Returns
required to be filed on or prior to the date of this Agreement by, or with respect to any
activities of, the Transferred Entities have been filed, and all Taxes due with respect to such Tax
Returns (whether or not shown to be due on such Tax Returns) have been paid, except to the extent
any failure to file such Tax Return or pay such Taxes could not be expected to have a Material
Adverse Effect; (ii) all such Tax Returns were correct and complete in all material respects; (iii)
there is no action, suit, proceeding, investigation, audit or claim outstanding, pending or, to the
knowledge of Newpark, threatened with respect to any Taxes of the Transferred Entities; (iv) none
of the Transferred Entities has granted any extension or waiver of the statute of limitations
applicable to any Tax Return, which period (after giving effect to any extension or waiver) has not
yet expired; (v) each of the Transferred Entities has complied, in all material respects, with all
applicable Laws relating to the payment and withholding of Taxes and has duly and timely withheld
and paid over to the appropriate taxing authorities all amounts required to be so withheld and paid
over; and (vi) none of the Transferred Entities is a party to, is bound by or has any obligation
under any Tax sharing or Tax indemnity agreement or similar contract or arrangement with Newpark or
a Subsidiary of Newpark which will remain in effect as to such Transferred Entity after the
Closing.

     (b) Neither DFI nor Newpark Texas is a “foreign person” within the meaning of
Section 1445(f)(3) of the Code.

     (c) NESI and NESI Management are each classified as disregarded entities for federal tax
purposes. NESI Mississippi is classified as a partnership for federal tax purposes. With respect
to any entity classification elections (using IRS Form 8832 or otherwise) made by the Transferred
Entities during 2007, such entities were (i) eligible to make such elections and (ii) accurately
completed and timely filed such elections prior to the date hereof.

     (d) Notwithstanding any other provision of this Agreement to the contrary, it is agreed and
understood that no representation or warranty is made by Newpark in respect of Tax matters, other
than the representations and warranties set forth in Section 3.10 and this Section 3.12.

     3.13 Environmental Matters.

     (a) Except as set forth in Section 3.13(a) of the Newpark Disclosure Schedule, each of the
Transferred Entities hold and are in compliance, in all material respects, with all

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Environmental
Permits necessary to conduct the Business as currently conducted and to own, lease or otherwise
hold the assets of the Transferred Entities, and all of such Environmental Permits are in full
force and effect, except where any failure to hold or be in compliance with any such Environmental
Permit or the failure of any such Environmental Permit to be in full force and effect would not
reasonably be expected to result in a Material Adverse Effect, and there are no proceedings
pending, or to the knowledge of Newpark, threatened that seek revocation, cancellation, suspension,
penalties or any adverse modification of such Environmental Permits.

     (b) All such Environmental Permits (including any pending application therefor) are listed in
Section 3.13(b) of the Newpark Disclosure Schedule, and any that are not transferable pursuant to
this transaction are so designated.

     (c) Each of the Transferred Entities is in compliance, in all material respects, with all
Environmental Laws, and no unresolved written notice, request for information, claim, demand,
summons or order has been received or, to the knowledge of Newpark, threatened by any Governmental
Entity (i) with respect to any alleged violation of any Environmental Law in connection with the
Business; or (ii) with respect to any alleged failure to have any Environmental Permit required for
the Business; or (iii) with respect to any use, possession, generation, treatment, storage,
recycling, processing, transportation or disposal (collectively, “Management”) or exposure
of or to any Hazardous Materials by any of the Transferred Entities.

     (d) Section 3.13(d) of the Newpark Disclosure Schedule lists all third party facilities where
any of the Transferred Entities has, since January 1, 2000, delivered, or arranged for disposal of,
(i) any third party customer’s waste products, and (ii) any storm water from barges, as well as a
general description of the type of waste product delivered to such facility.

     (e) In the event Purchaser provides any Notice of Alleged Recognized Environmental Condition
under Section 5.14 hereof, Newpark shall be permitted to update the disclosures referenced in this
Section 3.13 to reflect such Alleged Recognized Environmental Condition and for all purposes of
this Agreement, the disclosure set forth in such revised Newpark Disclosure Schedules shall modify
the representations and warranties contained in this Section 3.13 as if disclosed in connection
with the execution of this Agreement.

     (f) Notwithstanding any other provision of this Agreement to the contrary, the representations
and warranties included in this Section 3.13 shall constitute the sole and exclusive
representations and warranties of Newpark and the Transferred Entities relating to environmental
matters, including any matters arising under Environmental Laws or related to Hazardous Materials.

     3.14 Title; Condition and Sufficiency of Assets.

     (a) Except as set forth in Section 3.14(a) of the Newpark Disclosure Schedule, each of the
Transferred Entities has good and marketable title to, or a valid leasehold interest in, all of its
respective properties and assets, in each case free and clear of all Liens, except for Permitted
Liens.

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     (b) Except as set forth in Section 3.14(b) of the Newpark Disclosure Schedule, the buildings,
machinery, equipment, tools, furniture, improvements and other tangible assets of the Business
included in the assets of the Transferred Entities are, in all material respects, in reasonably
good operating condition and repair, normal wear and tear excepted, and sufficient to permit their
use in the continuing operations of the Business as such operations are currently conducted or have
been conducted consistent with past practices.

     (c) Except as provided in Section 3.14(a) of the Newpark Disclosure Schedule, the Transferred
Entities’ assets constitute all of the assets, rights, contracts, and other properties necessary
for the Purchaser to operate the Business in all material respects in the manner as it is now being
conducted by the Transferred Entities. The Fannett Cavern injection well has been completed and is
operational.

     3.15 Intellectual Property.

     (a) Section 3.15(a) of the Newpark Disclosure Schedule contains a list of all material
Intellectual Property that is currently owned by any Transferred Entity (“Transferred
Intellectual Property”) that has been issued or registered or is the subject of a pending
application for issuance or registration. To the knowledge of Newpark, all such Transferred
Intellectual Property is subsisting, is not expired or abandoned, and is valid and enforceable.

     (b) No Transferred Intellectual Property is subject to any outstanding judgment, injunction,
order, decree or agreement materially restricting the use thereof by any Transferred Entity or
materially restricting the licensing thereof by any Transferred Entity to any Person.

     (c) Except as set forth in Section 3.15(c) of the Newpark Disclosure Schedule, to the
knowledge of Newpark, (i) no Transferred Entity has infringed, misappropriated or otherwise
violated, in any material respect, any Intellectual Property of any other Person, and (ii) the
Intellectual Property material to the Business is not being infringed, misappropriated or otherwise
violated by any other Person.

     3.16 Material Contracts. Section 3.16 of the Newpark Disclosure Schedule includes a true and
complete list of the following Contracts to which any of the Transferred Entities is a party or is
bound:

     (a) Contracts that are material to the Business (i) for the furnishing to any of the
Transferred Entities of materials, supplies, goods, services or equipment or (ii) concerning
Intellectual Property (other than off-the-shelf, commercially available licenses to software);

     (b) any Contract obligating any of the Transferred Entities to deliver materials, goods,
products, supplies, services or equipment that has annual payments (or under which such payments
are reasonably expected) in excess of $100,000 per year, excluding any such Contracts which are
terminable by such Transferred Entity without penalty on not more than sixty (60) calendar days
notice;

     (c) any equity partnership, equity joint venture or other similar agreement between a
Transferred Entity and another Person;

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     (d) any agreement relating to the acquisition or disposition of any business (whether by
merger, sale of stock, sale of assets or otherwise) relating to the Business or any Transferred
Entity, (i) entered into by Newpark, Newpark Texas or any Transferred Entity after December 31,
2005 or (ii) under which any of the Transferred Entities will have any obligation with respect to
an “earn-out,” contingent purchase price or similar contingent payment obligation;

     (e) any agreement which restricts any Transferred Entity from competing with any other Person
or any Person from conducting the Business in any geographic area;

     (f) any collective bargaining agreement or other Contract with a labor union, labor
organization, workers council or similar body regarding any Transferred Employees;

     (g) any loan agreements, indentures, mortgages, letters of credit, Capital Leases, security
agreements or other agreements or commitments for the borrowing of money for use in the Business or
the subjecting of any assets of the Transferred Entities to a Lien (other than Permitted Liens);

     (h) any (i) Contract with Newpark or any Affiliate of Newpark other than the Transferred
Entities, or (ii) any written Contract with any current or former officer, director or employee of
any Transferred Entity or any Affiliate of such individual, in each of cases (i) and (ii), that are
material to the Transferred Entities, taken as a whole, and the conduct of the Business; and

     (i) to the extent not included in Section 3.16(a) above, any Contract with a provider
of tugs or barges (“Transportation Contract”).

     Each Contract required to be disclosed pursuant to this Section 3.16 (collectively, the
“Material Contracts”), whether written or oral, is in full force and effect and is a valid
and binding agreement of the Transferred Entity, as the
case may be, and, to Newpark’s knowledge, of each other party thereto. None of the
Transferred Entities or, to the knowledge of Newpark, any other party thereto is in default or
breach in any material respect under the terms of any such Material Contract and neither any
Transferred Entity, Newpark, DFI nor Newpark Texas has received any notice of termination or
threatened termination of any Material Contract or is aware of any facts or circumstances that
either currently or with the passage of time could result in a breach or default under or give rise
to a right to terminate any Material Contract, including, without limitation, any Transportation
Contract. Newpark has made available to the Purchaser complete and correct copies of each Material
Contract.

     3.17 Real Property. Except as set forth in Section 3.17 of the Newpark Disclosure Schedule and
as set forth below in Section 3.22 below:

     (a) Section 3.17(a) of the Newpark Disclosure Schedule sets forth, as of the date hereof, the
fee owner and address of all real property owned by any Transferred Entity (the “Owned Real
Property”). With respect to each parcel of Owned Real Property (i) each owner thereof has good
and marketable title to such Owned Real Property, free and clear of all Liens, except for Permitted
Liens; and (ii) there does not exist any actual, pending or, to the knowledge of Newpark,
threatened condemnation or eminent domain proceedings that affect any Owned Real Property.

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     (b) Section 3.17(b) of the Newpark Disclosure Schedule sets forth, as of the date hereof, a
description of each lease, sublease and other agreement pursuant to which any Transferred Entity
holds a leasehold or subleasehold estate or has otherwise granted a leasehold or subleasehold
estate, including any surface leases, drilling rights or other surface-use rights that may have
been granted to or from any Transferred Entity (or Affiliate thereof) to any third party with
respect to the Transferred Entities’ Owned Real Property and the non-owned real property (the
“Leased Real Property”). Complete and correct copies of all agreements pertaining to the
Leased Real Property (each a “Real Property Lease,” collectively, the “Real Property
Leases”) have been made available to Purchaser prior to the date hereof. With respect to each
of the Real Property Leases (i) each Real Property Lease is in full force and effect and is valid
and enforceable in accordance with its terms; (ii) there is no default under any Real Property
Lease by any Transferred Entity or, to the knowledge of Newpark, by any other party thereto;
(iii) no Transferred Entity has received or delivered a written notice of default or objection to
any party to any Real Property Lease to pay and perform its obligations, and, to the knowledge of
Newpark, no event has occurred or circumstance exists which, with the delivery of notice, the
passage of time or both, would constitute a material breach or default, or permit the termination,
modification or acceleration of rent under such Real Property Lease; and (iv) if a Transferred
Entity is the lessee under a Real Property Lease, then the applicable Transferred Entity holds a
good and valid leasehold interest in such Leased Real Property as set forth therein.

     3.18 Inventory. Except as would not reasonably be expected to, individually or in the
aggregate, have a Material Adverse Effect, the Inventories consist of materials and goods of a
quality which are usable or salable in the normal course of the Business. The Inventories
reflected on the balance sheets included in the Interim Financial Statements are valued in
accordance with the normal inventory valuation policies of the Transferred Entities for stating
items of inventory at the lower of cost or market value in accordance with GAAP.

     3.19 Accounts Receivable. Except as set forth in Section 3.19 of the Newpark Disclosure
Schedule, the accounts receivable of the Business included in the Net Working Capital as of the
Effective Time (i) will be valid and genuine; (ii) will have
arisen solely out of bona fide sales and deliveries of goods, performance of services and
other business transactions in the ordinary course of business consistent with past practices; and
(iii) will be collectible in the ordinary course of business consistent with past practice (net of
any reserve for doubtful accounts set forth in the Net Working Capital).

     3.20 Insurance. Section 3.20 of the Newpark Disclosure Schedule lists all material insurance
policies, Contracts or programs of self-insurance owned or held by or for the benefit of any
Transferred Entity on the date of this Agreement which cover the Business and/or the Transferred
Entities. All such insurance policies, Contracts and programs of self-insurance are in full force
and effect and are valid and enforceable. All premiums due thereunder have been paid, and neither
Newpark, Newpark Texas nor any of the Transferred Entities has received notice of cancellation or
termination with respect to such insurance policies, Contracts and programs of self-insurance,
other than in connection with normal renewals of any such insurance policies, Contracts and
programs of self-insurance. There is no claim by or with respect to any Transferred Entity pending
under any such policies as to which coverage has been questioned, denied or disputed by the
underwriters of such policies or in respect of which such underwriters

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have reserved their rights.
To the knowledge of Newpark, there is no threatened termination of, premium increase with respect
to, or alteration of coverage under, any of such policies.

     3.21 Customers and Suppliers. Section 3.21 of the Newpark Disclosure Schedule sets forth the
ten largest suppliers and ten largest customers of the Business during the twelve (12) month period
ending July 31, 2007. Except as set forth in Section 3.21 of the Newpark Disclosure Schedule,
Newpark has no knowledge that any such supplier or customer has or intends to cancel or otherwise
substantially modify its relationship with any Transferred Entity, as applicable, or to decrease
materially or limit its services, supplies or materials, or its usage or purchase of services or
products from any Transferred Entity.

     3.22 No Other Representations or Warranties. EXCEPT FOR THE REPRESENTATIONS AND WARRANTIES
EXPRESSLY CONTAINED IN THIS AGREEMENT, THE ASSETS OF THE TRANSFERRED ENTITIES ARE BEING ACQUIRED BY
PURCHASER “AS IS” AND “WHERE IS,” AND NONE OF NEWPARK, DFI, NEWPARK TEXAS, NOR ANY OF THEIR
RESPECTIVE AGENTS, AFFILIATES, OFFICERS, DIRECTORS, MANAGERS, EMPLOYEES, OR REPRESENTATIVES, NOR
ANY OTHER PERSON, MAKES OR SHALL BE DEEMED TO MAKE ANY REPRESENTATION OR WARRANTY TO PURCHASER,
EXPRESS OR IMPLIED, AT LAW OR IN EQUITY, ON BEHALF OF NEWPARK, DFI, NEWPARK TEXAS, OR ANY AFFILIATE
THEREOF, AND NEWPARK, DFI, NEWPARK TEXAS, AND EACH OF THEIR RESPECTIVE AFFILIATES BY THIS AGREEMENT
DISCLAIM ANY REPRESENTATIONS OR WARRANTIES OF ANY KIND OR NATURE, EXPRESS, IMPLIED, AT COMMON LAW,
STATUTORY OR OTHERWISE, AS TO THE LIABILITIES, OPERATIONS OF THE BUSINESS OR THE TRANSFERRED
ENTITIES, THE TITLE, CONDITION, VALUE OR QUALITY OF THE ASSETS OF THE TRANSFERRED ENTITIES AND EACH
OF NEWPARK, DFI, NEWPARK TEXAS AND THEIR RESPECTIVE AFFILIATES SPECIFICALLY DISCLAIM ANY
REPRESENTATION OR WARRANTY OF MERCHANTABILITY, USAGE, SUITABILITY OR FITNESS FOR A PARTICULAR
PURPOSE WITH RESPECT TO ANY OF THE ASSETS OF THE TRANSFERRED ENTITIES.

ARTICLE II

REPRESENTATIONS AND WARRANTIES OF PURCHASER

     Purchaser represents and warrants to Newpark as follows:

     4.1 Organization and Qualification. Each of Purchaser and Trinity is a limited liability
company or limited partnership, respectively, duly organized, validly existing and in good standing
under the Laws of the jurisdiction of its organization, has all requisite power and authority to
own, lease and operate its properties and assets and to carry on its business as now being
conducted and is qualified to do business and is in good standing as a foreign limited liability
company or foreign limited partnership in each jurisdiction where the ownership, leasing or
operation of its properties or assets or conduct of its business requires such qualification.

     4.2 Authority Relative to This Agreement. Purchaser and Trinity each has all necessary limited
liability company or limited partnership power and authority, and has taken all

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action necessary,
to execute, deliver and perform this Agreement and any agreements ancillary hereto to which it is a
party and to consummate the transactions contemplated by this Agreement in accordance with the
terms of this Agreement. This Agreement has been duly and validly executed and delivered by
Purchaser and Trinity and, assuming the due authorization, execution and delivery of this Agreement
by Newpark, DFI and Newpark Texas constitutes a valid, legal and binding agreement of Purchaser and
Trinity, enforceable against Purchaser and Trinity in accordance with its terms. As of the
Closing, each ancillary document hereto will be duly and validly executed by Purchaser and Trinity
(as applicable) and, assuming the due authorization, execution and delivery of any such ancillary
agreements hereto by Newpark, DFI or Newpark Texas (as applicable), will constitute the valid,
legal and binding agreement of Purchaser and Trinity, enforceable against Purchaser and Trinity in
accordance with their terms.

     4.3 Consents and Approvals; No Violations. No filing with or notice to, and no permit,
authorization, registration, consent or approval of, any Governmental Entity is required on the
part of Purchaser or Trinity for the execution, delivery and performance by Purchaser or Trinity of
this Agreement or the consummation by Purchaser or Trinity of the transactions contemplated by this
Agreement, except compliance with the applicable requirements of the HSR Act. Assuming compliance
with the item described in the preceding sentence, neither the execution, delivery and performance
of this Agreement by Purchaser or Trinity nor the consummation by Purchaser or Trinity of the
transactions contemplated by this Agreement will (A) conflict with or result in any breach,
violation or infringement of any provision of the respective Organizational Documents of Purchaser
or Trinity, (B) result in a breach, violation or infringement of, or constitute (with or without
due notice or lapse of time or both) a default (or give rise to the creation of any Lien or any
right of termination, amendment, cancellation or acceleration) under, any of the terms, conditions
or provisions of any Contract to which Purchaser, Trinity or any of their respective Subsidiaries
is a party or by which any of them or any of their properties or assets may be bound or (C) violate
or infringe any Law applicable to Purchaser, Trinity or any of their respective Subsidiaries or any
of their respective properties or assets, except in the cases of clauses (B) and (C), for such
breaches, violations, infringements or Liens that would not, individually or in the aggregate,
reasonably be expected to have a material adverse effect on the ability of Purchaser to timely
consummate the transactions contemplated by this Agreement.

     4.4 Financing. Purchaser has available, or will have available at the Closing, sufficient
funds, available lines of credit or other sources of immediately available funds to enable
Purchaser to purchase the Acquired Interests on the terms and
conditions of this Agreement. The obligations of Purchaser hereunder are not subject to any
conditions regarding Purchaser’s ability to obtain financing for the consummation of the
transactions contemplated herein.

     4.5 Brokers. No broker, finder or investment banker is entitled to any brokerage or finder’s
fee or other commission in connection with the transactions contemplated by this Agreement based
upon arrangements made by or on behalf of Purchaser. Purchaser shall solely be responsible for the
fees of its financial advisors under any arrangement made by on or on behalf of Purchaser.

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     4.6 Acquisition of Transferred Interests. Purchaser has such knowledge and experience in
financial and business matters, and is capable of evaluating the merits and risks of its purchase
of the Transferred Interests. Purchaser confirms that Newpark has made available to Purchaser and
its agents the opportunity to ask questions of the officers and management employees of Newpark and
of the Transferred Entities as well as access to the documents, information and records relating to
the Transferred Interests, and to acquire additional information about the business and financial
condition of the Transferred Interests. Purchaser is acquiring the Transferred Interests for
investment and not with a view toward or for sale in connection with any distribution thereof, or
with any present intention of distributing or selling the Transferred Interests. Purchaser
acknowledges that the Transferred Interests have not been registered under the Securities Act or
any state securities Laws, and agrees that the Transferred Interests may not be sold, transferred,
offered for sale, pledged, hypothecated or otherwise disposed of without registration under the
Securities Act, except pursuant to an exemption from such registration available under the
Securities Act, and without compliance with foreign securities Laws, in each case, to the extent
applicable.

     4.7 Limitation of Newpark’s Warranties. Purchaser acknowledges that Newpark makes no
representations with respect to the Business or the Transferred Entities except as expressly set
forth in this Agreement.

ARTICLE II

COVENANTS

     5.1 Access.

     (a) After the date of this Agreement until the earlier of the Closing or the termination of
this Agreement, Newpark shall, and shall cause each of the Transferred Entities and their
respective representatives to (i) afford Purchaser and its representatives access, at reasonable
times during normal business hours after first obtaining the consent of Newpark, to the books,
records, properties and personnel of the Transferred Entities; (ii) furnish Purchaser and its
representatives with such additional financial, operating and other data and information as
Purchaser may reasonably request; and (iii) otherwise cooperate with the investigation by Purchaser
and its representatives of the Transferred Entities. The foregoing shall not require Newpark, DFI,
Newpark Texas or any Transferred Entity to permit any inspection, or to disclose any information,
that in the reasonable judgment of Newpark is reasonably likely to result in the disclosure of any
trade secrets to third parties, violate any of its obligations with respect to confidentiality or
disclose information that does not relate exclusively to the Business. All information provided to
Purchaser and its representatives in accordance with this Section 5.1 or otherwise pursuant to this
Agreement shall, prior to the Closing, be held by Purchaser and its representatives in accordance
with, shall be considered “Evaluation Material” under, and shall be subject to the terms of, the
Confidentiality Agreement. All requests for information made pursuant to this Section 5.1(a) shall
be directed to a designated officer of Newpark or such other individual as may be designated by
Newpark, and shall not be granted to the extent deemed inconsistent with any Law.

     (b) At and after the Closing Date, Purchaser shall and shall cause its Affiliates and each of
their respective representatives to afford Newpark and its representatives access, at

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reasonable times during normal business hours after first obtaining the consent of Purchaser, to the books,
records, properties and personnel of the Transferred Entities and furnish Newpark and its
representatives with such additional financial, operating and other data and information as Newpark
may reasonably request in order to prepare its Tax Returns and other documents and reports required
to be filed by it with Governmental Entities, in its financial statements or in connection with any
Action against or investigation by, any Governmental Entity of, or in connection with
any Tax examination of, Newpark. All requests for information made pursuant to this
Section 5.1(b) shall be directed to a designated officer of Purchaser or such other individual as
may be designated by Purchaser.

     5.2 Efforts.

     (a) Each of the parties agrees to use its reasonable best efforts to take, or cause to be
taken, all actions and to do, or cause to be done, all things necessary, proper or advisable to
consummate and make effective as promptly as practicable the transactions contemplated by this
Agreement and to cooperate with the other in connection with the foregoing, including using its
reasonable best efforts (i) to make promptly any filings that may be required under any antitrust
Law or by any Governmental Entity, and to supply promptly any additional information or documentary
material that may be requested by a Governmental Entity, if any, (ii) to obtain all other consents,
approvals and authorizations that are required to be obtained under any federal, state, local or
foreign Law or regulation, (iii) to lift or rescind any injunction or restraining order or other
order adversely affecting the ability of the parties to this Agreement to consummate the
transactions contemplated by this Agreement, (iv) to effect as promptly as practicable all
necessary registrations, filings and responses to requests for additional information or
documentary material from a Governmental Entity, if any, and (v) to fulfill all conditions to this
Agreement.

     (b) Further, and without limiting the generality of the rest of this Section 5.2, each of the
parties shall promptly (i) furnish to the other such necessary information and reasonable
assistance as the other party may request in connection with the foregoing, (ii) inform the other
of any communication from any Governmental Entity regarding any of the transactions contemplated by
this Agreement, and (iii) provide counsel for the other party with copies of all filings made by
such party, and all correspondence between such party (and its advisors) with any Governmental
Entity and any other information supplied by such party to a Governmental Entity or received from a
Governmental Entity in connection with the transactions contemplated by this Agreement; provided,
however, that materials may be redacted (x) to remove any references concerning the valuation of
the Business and the Transferred Entities, and (y) as necessary to comply with contractual
arrangements. Each party shall, subject to applicable Law, permit counsel for the other party to
review in advance, and consider in good faith the views of the other party in connection with, any
proposed written communication to any Governmental Entity in connection with the transactions
contemplated by this Agreement. The parties agree not to participate in any substantive meeting or
discussion, either in person or by telephone, with any Governmental Entity in connection with the
transactions contemplated by this Agreement unless it consults with the other party in advance and,
to the extent not prohibited by such Governmental Entity, gives the other party the opportunity to
attend and participate.

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     (c) Further, and without limiting the generality of the rest of this Section 5.2, Purchaser
shall take any and all steps necessary to avoid or eliminate each and every impediment under any
antitrust, competition, or trade regulation Law that may be asserted by any Governmental Entity
with respect to this Agreement so as to make effective as promptly as practicable the transactions
contemplated by this Agreement and to avoid any suit or proceeding which would otherwise have the
effect of preventing or delaying the Closing. The steps involved in the preceding sentence shall
include (i) at the request of Newpark and subject to the rights of Newpark to terminate this
Agreement pursuant to Section 9.1(b) hereof, defending through litigation on the merits, including
appeals, any claim asserted in any court or other proceeding by any party, (ii) proposing,
negotiating, committing to or effecting, by consent decree, hold separate order or otherwise, the
sale, divestiture or disposition of such assets or businesses of Purchaser (including its
Affiliates and Subsidiaries) or the Transferred Entities, including entering into customary
ancillary agreements on commercially reasonable terms relating to any such sale, divestiture or
disposition of such assets or businesses, (iii) agreeing to any limitation on the conduct of Purchaser (including its Subsidiaries) or the Transferred Entities, or
(iv) agreeing to take any other action as may be required by a Governmental Entity in order to
(A) obtain all necessary consents, approvals and authorizations as soon as reasonably possible,
(B) avoid the entry of, or to effect the dissolution of, any injunction, temporary restraining
order or other order in any suit or proceeding, or (C) effect the expiration or termination of any
waiting period which would otherwise have the effect of preventing or delaying the Closing. At the
request of Purchaser, Newpark shall agree to take, or cause the Transferred Entities to take, in
Newpark’s sole discretion, any action with respect to the Transferred Entities as set forth in the
two preceding sentences, provided that any such action is conditioned upon (and shall not be
completed prior to) the consummation of the transactions contemplated by this Agreement.

     5.3 Further Assurances. The parties hereto agree that, from time to time, whether before, at
or after the Closing Date, each of them will execute and deliver such further instruments of
conveyance and transfer and take such other action as may be necessary to carry out the purposes
and intents of this Agreement.

     5.4 Conduct of Business. From the date of this Agreement through the earlier of the Closing or
the termination of this Agreement, except as otherwise expressly contemplated by this Agreement,
required by Law or disclosed in Section 5.4 of the Newpark Disclosure Schedule, Newpark shall cause
each of the Transferred Entities to (i) conduct the Business in the ordinary course of business,
and (ii) use commercially reasonable efforts to preserve intact the Transferred Entities’
respective business organizations and goodwill, keep available the services of their respective
present senior officers and key employees, and preserve the goodwill and business relationships
with customers, suppliers and others having business relationships with them. From the date of this
Agreement through the earlier of the Closing or the termination of this Agreement, except as
otherwise contemplated by this Agreement, required by Law or disclosed in Section 5.4 of the
Newpark Disclosure Schedule, without Purchaser’s written consent (which shall not be unreasonably
withheld or delayed), Newpark shall cause each Transferred Entity to:

     (a) not (i) amend or propose to amend their respective Organizational Documents, (ii) split,
subdivide, combine or reclassify their outstanding equity interest, (iii) declare, set aside or pay
any non-cash distribution, or (iv) purchase, redeem or otherwise acquire or dispose directly or
indirectly any equity interests or securities of any Transferred Entity;

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     (b) not issue, sell, transfer, pledge, dispose of, encumber or agree to issue, sell, transfer,
pledge, dispose of, or encumber, any additional equity securities, or any options, warrants or
rights of any kind with respect thereto;

     (c) not sell, lease, license, pledge, dispose of or encumber any assets, properties (whether
real, personal, tangible or intangible), rights or businesses, other than sales or dispositions of
assets in the ordinary course of business consistent with past practice that do not constitute a
sale of a business, product line, business unit or business operation;

     (d) not enter into any transaction for, or make, any acquisition of any businesses, material
assets, product lines, business units, business operations, stock or other properties, other than
acquisitions in the ordinary course of business in connection with the operation of the Business;

     (e) not adopt, enter into or amend any employment, severance, special pay arrangement or other
similar arrangements or agreements with any employee (including any Former Employee or Transferred
Employee) except (i) as required by applicable Law, (ii) as required by contractual arrangements in
effect as of the date of this Agreement, or (iii) arrangements or agreements that are entered into or
amended in the ordinary course of business consistent with past practice;

     (f) not increase the compensation or benefits of any Transferred Employee, except (i) as
required pursuant to contractual arrangements in effect as of the date of this Agreement or as
required or permitted under this Agreement, (ii) as required by applicable Law, or (iii) in the
ordinary course of business consistent with past practice;

     (g) not adopt a plan or agreement of complete or partial liquidation, dissolution,
restructuring, merger, consolidation, recapitalization or other reorganization of any of the
Transferred Entities;

     (h) not settle, release, waive or compromise any Actions in any manner that, post-Closing,
restricts the operation of the Business as currently conducted or for consideration in excess of
$1,000,000 individually; or settle release, waive or compromise any right or claim with a fair
market value in excess of $1,000,000 individually;

     (i) not make any change to an accounting method for Tax purposes for any of the Transferred
Entities or make any Tax election for any Transferred Entity other than in accordance with past
practice, except in each case as required in accordance with GAAP or applicable Law;

     (j) except as may be required as a result of a change in Law or in GAAP, not change any of the
financial accounting principles or practices;

     (k) not enter into any Contract which would constitute a Material Contract outside of the
ordinary course of business, or terminate or waive any material provision of, amend or otherwise
modify any material provision of a Material Contract; and

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     (l) not authorize any of, or commit to do or enter into any binding Contract with respect to
any of the foregoing actions in clauses (a) through (k).

     Notwithstanding anything to the contrary, Newpark and its Subsidiaries shall have the right to
remove from any Transferred Entity all cash and cash equivalents in the manner as determined by
Newpark (including by means of dividends, the creation or repayment of intercompany debt or
otherwise) subject to the provisions of Section 2.4.

     5.5 Consents. Newpark and Purchaser shall cooperate with each other to obtain any consents
required from third parties in connection with the consummation of the transactions contemplated by
this Agreement.

     5.6 Public Announcements. Except as otherwise required by Law, any listing agreement with any
securities exchange or any securities exchange regulation, each of Newpark and Purchaser will
consult with the other and obtain the consent of the other (which consent shall not be unreasonably
withheld or delayed) before issuing any press releases or any public statements with respect to
this Agreement and the transactions contemplated by this Agreement.

     5.7 No Shop. From and after the date hereof until the earlier of the termination of this
Agreement or the Closing Date, Newpark shall not, and shall cause its Affiliates not to (and use
its reasonable best efforts to cause its directors, officers, employees, representatives and agents
not to) do any of the following, directly or indirectly, with any third party (other than with Purchaser regarding the transactions
contemplated by this Agreement): (i) discuss, negotiate, authorize, assist, participate in,
recommend, propose or enter into, either as the proposed surviving, merged, acquiring or acquired
corporation, any transaction involving a merger, consolidation, business combination, purchase or
disposition of (A) the Business or a material amount of the assets of the Transferred Entities, or
(B) any membership, partnership or other equity interest in any of the Transferred Entities (any
such transaction, an “Acquisition Transaction”), (ii) facilitate, encourage, solicit or
initiate discussions, negotiations or submissions of proposals or offers from any third party in
respect of an Acquisition Transaction, or (iii) furnish or cause to be furnished to any third party
any information concerning the Business or the Transferred Entities in connection with an
Acquisition Transaction.

     5.8 Intercompany Accounts. On or prior to the Closing Date, all intercompany accounts between
(i) the Transferred Entities, on one hand, and (ii) Newpark and its other Affiliates, on the other
hand, shall be settled or otherwise eliminated, except for those accounts included in the Estimated
Net Working Capital, as adjusted by the Closing Date Net Working Capital.

     5.9 Termination of Intercompany Agreements. Effective at the Closing, all Contracts, including
all obligations to provide goods, services or other benefits, between Newpark and/or any of its
Subsidiaries (other than any Transferred Entity), on the one hand, and any of the Transferred
Entities, on the other hand, shall be terminated without any party having any continuing obligation
to the other, except for (i) this Agreement, and (ii) other Contracts listed in Section 5.9 of the
Newpark Disclosure Schedule.

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     5.10 Use of Names, etc. Within 30 days after the Closing Date, Purchaser shall cause the
Transferred Entities to file amendments to their Organizational Documents with the applicable
Governmental Entities changing the names of the Transferred Entities to names that do not include
the words “Newpark” or any name confusingly or misleadingly similar thereto, such amendments to be
effective as soon as practicable following the Closing Date. For the avoidance of doubt, Purchaser
and its Affiliates may use the name “Newpark” and all other Trademarks owned or licensed by Newpark
or its Affiliates and used in connection with the Business as of the Closing on any materials
distributed or available to customers for the later of (i) 90 days after the Closing Date or (ii)
the exhaustion of inventory in existence as of the Closing Date, subject to applicable Law, in each
case, in a mutually agreed transitional manner. Thereafter, Purchaser shall not use such
Trademarks, other than (i) in a neutral, non-trademark sense to discuss the history of the
Business, or (ii) as required by applicable Law.

     5.11 Litigation Support. In the event and for so long as each party actively is prosecuting,
contesting or defending any Action by a third party in connection with (a) any transactions
contemplated under this Agreement or (b) any fact, situation, circumstance, status, condition,
activity, practice, plan, occurrence, event, incident, action, failure to act, or transaction
involving the Business or the Transferred Entities, and any of the foregoing require the other
party’s cooperation due to such party’s ownership of the Business or the Transferred Entities at a
relevant time, the requested party shall, and shall cause its Subsidiaries and controlled
Affiliates to, cooperate reasonably with the requesting party and its counsel, at the requesting
party’s expense for any out-of-pocket expenses, in the prosecution, contest or defense, make
available its personnel, and provide such testimony and access to its books and records as shall be
reasonably necessary in connection with the prosecution, contest or defense, subject to appropriate
confidentiality measures.

     5.12 Noncompetition; Nonsolicitation.

     (a) For the period commencing on the Closing Date and ending on the earlier of (i) the fifth
anniversary of the Closing Date, or (ii) a Newpark Change of Control (the “Restricted
Period”) neither Newpark nor any of its Subsidiaries shall, except as permitted by this Section 5.12, engage in the
business of providing environmental services in the oil and gas industry in the United States and
Gulf of Mexico including, without limitation, waste management and disposal services and the
processing and disposal of non-Hazardous Materials and NORM for generators in the United States
including refiners, manufacturers, service companies and industrial municipalities as conducted by
the Business as of the Closing Date (the “Covered Business”); provided, that the Covered
Business shall not include the processing and disposal of environmental wastes and the providing
and performance of waste management, reclamation and disposal services in a manner substantially
similar to those which are currently provided by Newpark and its Subsidiaries (other than the
Transferred Entities), which includes but is not limited to (i) the collection and disposal of oil
and gas industry water (typically salt water contaminated with oil) that is exempt from RCRA, with
operations in Oklahoma and the panhandle of Texas which are currently part of Newpark’s Fluids
Systems and Engineering segment, operating under the name of Mid-Continent Completion Fluids, and
(ii) the management of environmental waste utilizing pits and other earth structures, land farming,
annular injection and offsite disposal of pit waste including the handling of NORM for the oil and
gas industry which is currently part of Newpark’s Mats and Integrated Service segment,

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which was historically known as Soloco. This Section 5.12(a) shall cease to be applicable to any Person at
such time as it is no longer an Affiliate or Subsidiary of Newpark.

     (b) Notwithstanding the provisions of Section 5.12(a), nothing in this Agreement shall
preclude, prohibit or restrict Newpark or any of its Affiliates or Subsidiaries from (i) acquiring,
owning or holding up to 10% of the outstanding securities of any entity whose securities are listed
and traded on a national securities exchange or market or any securities required to be registered
under the Securities Exchange Act of 1934; or (ii) engaging in any manner in any business activity
that would otherwise violate this Section 5.12 that is acquired from any Person (an “Acquired
Business”) or is carried on by any Person that is acquired by or combined with Newpark or a
Subsidiary of Newpark at any time during the Restricted Period (an “Acquired Company”);
provided, that, if the aggregate consolidated revenues of the Acquired Business or the Acquired
Company for the fiscal year ending prior to the completion of such purchase or acquisition is in
excess of 5% of the consolidated revenues of Newpark and its Subsidiaries for the fiscal year
ending prior to such purchase or acquisition (the “Divestiture Threshold”), then, as soon
as promptly practicable, Newpark or such Subsidiary shall dispose or agree to dispose of all or a
portion of the Acquired Business or the Acquired Company so that the aggregate consolidated
revenues for the fiscal year ending prior to the completion of such purchase or acquisition of the
remaining portion of the Acquired Business or the Acquired Company shall be less than the
Divestiture Threshold.

     (c) During the Restricted Period, neither Newpark nor any of its Subsidiaries shall, directly
or indirectly, solicit for employment or employ any Transferred Employee (other than any Person set
forth in Section 5.12(c) of the Newpark Disclosure Schedule); provided, however, that this
Section 5.12(c) shall not prohibit Newpark or any of its Subsidiaries from making general
solicitations not specifically targeted at the Transferred Employees and employ persons in
connection with such general solicitations or, on and after the first anniversary of the Closing
Date, from employing or hiring any person who initiates discussions regarding employment without
any solicitation by Newpark or any of its Subsidiaries.

     5.13 Labor Matters.

     (a) Following the Closing until ninety (90) days thereafter, neither the Purchaser, the
Transferred Entities nor any Affiliates thereof shall cause any “employment losses” (as that term
is defined in the Worker Adjustment and Retraining Notification Act (“WARN Act”)) that
would give rise to any obligations or liabilities of Newpark or its Affiliates under the WARN Act.

     (b) Newpark, Newpark Texas and the Purchaser shall cooperate in connection with any required
notification to, or any required consultation with, the employees, employee representatives, work
councils, unions, labor boards and relevant Governmental Entities concerning the transactions
contemplated by this Agreement.

     5.14 Environmental Inspection.

     (a) Promptly following the execution of this Agreement, Purchaser shall commence its review of
the environmental condition of the assets of the Transferred Entities. The parties agree that the
environmental site assessment shall be performed for each of the Owned Real

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Property and Leased Real Property sites as Purchaser may determine and that such assessment shall conform, in all
material respects, to the standard of the “Standard Practice for Environmental Site Assessments:
Phase I Environmental Site Assessment Process,” known as ASTM E1527-05 (“ASTM E1527-05”).
In connection with such environmental site assessment, Newpark shall, and shall cause each of the
Transferred Entities to, reasonably cooperate with Purchaser and provide to Purchaser and its
representatives copies of such records and documents (in addition to the “helpful documents” as
defined below) as may be reasonably requested. Newpark shall identify a “key site manager” with
“good knowledge of the uses and physical characteristics of the property,” both as defined in ASTM
E1527-05, for purposes of the required interview with respect to the Owned Real Property and Leased
Real Property. Interviewees shall be as specific as reasonably possible to the extent of their
knowledge, and shall answer in good faith to the extent of their knowledge pursuant to and as
defined in ASTM E1527-05. The key site manager shall promptly identify and provide the Purchaser
and its representatives all “helpful documents” (as defined in ASTM E1527-05) that are within the
possession or control of such key site manager.

     (b) As soon as reasonably practicable, but in any event no later than sixty (60) days
following the execution of this Agreement (the “Environmental Inspection Period”),
Purchaser shall (i) provide to Newpark a copy of each environmental report received by Purchaser
relating to the Phase I environmental site assessments (individually, a “Phase I Report”
and collectively, the “Phase I Reports”), and (ii) notify Newpark in writing of any alleged
“recognized environmental conditions” (as defined in ASTM E1527-05) adversely affecting any Owned
Real Property or Leased Real Property (any environmental conditions reflected in a Phase I Report
or identified in such notice is referred to as an “Alleged Recognized Environmental
Condition”). The notice (“Notice of Alleged Recognized Environmental Conditions”)
shall include a description and reasonably detailed explanation (including all reports and other
supporting documentation) of each Alleged Recognized Environmental Condition being claimed, and a
value that Purchaser, in good faith, attributes to each Alleged Recognized Environmental Condition.
Except as otherwise provided in this Section 5.14(b), Newpark and Purchaser shall promptly meet in
an attempt to mutually agree upon a proposed resolution of any such Alleged Recognized
Environmental Conditions and the costs related thereto. If Purchaser and Newpark are not able to
agree upon a proposed resolution of any Alleged Recognized Environmental Condition and the costs
related thereto on or before the date that is five (5) days prior to the Outside Date, such dispute
shall be resolved by arbitration in accordance with Section 5.14(d) below. If as a result of any
Phase I Report facts are revealed that would reasonably necessitate a Phase II environmental site
assessment that includes the sampling and analysis of soil, groundwater and/or other environmental
media to evaluate any Alleged Recognized Environmental Condition (individually, a “Phase II
Report” and collectively, the “Phase II Reports”), Purchaser may require the completion
of any such Phase II Report before Purchaser is required to meet with Newpark as hereinabove
provided to agree upon a proposed resolution of any Alleged Recognized Environmental Condition.
Any such Phase II Report shall be completed within sixty (60) days following the date of the
Phase I Report relating to the subject property, but in no event later than one hundred twenty
(120) days following the execution of this Agreement. Newpark and Purchaser shall promptly meet
following the completion of any Phase II Reports in an attempt to mutually agree upon a proposed resolution of any Alleged Recognized
Environmental Conditions and the costs related thereto. If Purchaser and Newpark

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are not able to agree upon a proposed resolution within five (5) days, such dispute shall be resolved by
arbitration in accordance with Section 5.14(d) below.

     (c) In the event a Phase I Report or a Phase II Report (collectively, an “Environmental
Report”) shall identify an Alleged Recognized Environmental Condition and/or Purchaser shall
provide Newpark a Notice of Alleged Recognized Environmental Condition in accordance with
Section 5.14(b), the following provisions shall apply:

     (i) If the aggregate cost to resolve any and all Alleged Recognized Environmental
Conditions as finally determined in accordance with this Section 5.14 (the “Alleged
Recognized Environmental Cost”) is less than $1,000,000, (A) Purchaser shall assume all
risks and responsibilities with respect to such Alleged Recognized Environmental Conditions
and shall have no right to seek indemnification under Article X with respect thereto, (B) the
total amount of the Earn-Out Consideration payable pursuant to Section 2.5 shall be reduced
by an amount equal to the Alleged Recognized Environmental Cost, (C) the Initial Closing
Consideration shall not be adjusted as a result of any such Alleged Recognized Environmental
Cost, and (D) Purchaser shall have no right to terminate this Agreement as a result of such
Alleged Recognized Environmental Conditions.

     (ii) If the Alleged Recognized Environmental Cost is equal to or greater than $1,000,000
and less than $2,000,000, (A) Purchaser shall assume all risks and responsibilities with
respect to such Alleged Recognized Environmental Conditions and shall have no right to seek
indemnification under Article X with respect thereto, (B) the total amount of the Earn-Out
Consideration payable pursuant to Section 2.5 shall be reduced by the amount of $1,000,000,
(C) the Initial Closing Consideration shall be reduced by the amount of the Alleged
Recognized Environmental Cost in excess of $1,000,000, and (D) Purchaser shall have no right
to terminate this Agreement as a result of such Alleged Recognized Environmental Conditions.

     (iii) If the Alleged Recognized Environmental Cost is equal to or greater than
$2,000,000, Newpark shall have the option to cure or otherwise remediate, at its sole cost
and expense, a portion of the Alleged Recognized Environmental Conditions in accordance with
this Section 5.14(c)(iii) by providing Purchaser written notice thereof within five (5) days
of the final determination of the Alleged Recognized Environmental Costs pursuant to this
Section 5.14. If Newpark fails to timely exercise its option as herein provided, Purchaser
shall have the right to terminate this Agreement upon written notice to Newpark. If Newpark
does exercise its option to cure or remediate under this Section 5.14(c)(iii), Newpark shall
undertake to cure or remediate one or more of the Alleged Recognized Environmental Conditions
selected by Newpark (the “Selected Alleged Recognized Environmental Conditions”) so
that the aggregate Alleged Recognized Environmental Cost for the remaining Alleged Recognized
Environmental Conditions (the “Remaining Alleged Recognized Environmental
Conditions”) does not equal or exceed $2,000,000. Newpark shall complete the cure or
remediation of the Selected Alleged Recognized Environmental Conditions as soon as
practicable but in any event not later than six (6) months following the date Newpark
delivers Purchaser notice of Newpark’s election to exercise the option herein to cure or
remediate the Selected

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Alleged Recognized Environmental Conditions. If, following the cure
or remediation of the Selected Alleged Recognized Environmental Conditions, the Alleged
Recognized Environmental Cost of the Remaining Alleged Recognized Environmental Conditions is
more than $1,000,000 but less than $2,000,000, (A) Purchaser shall assume all risks and
responsibilities with respect to such Remaining Alleged Recognized Environmental Conditions
and shall have no right to seek indemnification under Article X with respect thereto, (B) the
total amount of the Earn-Out Consideration payable pursuant to Section 2.5 shall be reduced
by the amount of $1,000,000, (C) the Initial Closing Consideration shall be reduced by the
amount of the Alleged Recognized Environmental Cost for the Remaining Alleged Recognized
Environmental Conditions in excess of $1,000,000, and (D) Purchaser shall have no right to
terminate this Agreement as a result of such Remaining Alleged Recognized Environmental
Conditions. If, following the cure or remediation of the Selected Alleged Environmental
Conditions, the Alleged Recognized Environmental Cost of the Remaining Alleged Recognized
Environmental Conditions is less than $1,000,000, (A) Purchaser shall assume all risks and
responsibilities with respect to such Remaining Alleged Recognized Environmental Conditions
and shall have no right to seek indemnification under Article X with respect thereto, (B) the
total amount of the Earn-Out Consideration payable pursuant to Section 2.5 shall be reduced
by an amount equal to the Alleged Recognized Environmental Cost of the Remaining Alleged
Recognized Environmental Conditions, (C) the Initial Closing Consideration shall not be
adjusted as a result of any such Alleged Recognized Environmental Cost, and (D) Purchaser
shall have no right to terminate this Agreement as a result of such Remaining Alleged
Recognized Environmental Conditions.

     (d) Any dispute relating to an Alleged Recognized Environmental Condition and the cost of any
proposed or acceptable resolution thereof (an “Environmental Dispute”), shall be settled by
binding arbitration. Any such arbitration proceeding shall be conducted by one arbitrator mutually
agreeable to Newpark and Purchaser. In the event that within ten (10) Business Days after
submission of any Environmental Dispute to arbitration, Newpark and Purchaser cannot mutually agree
on one arbitrator, Newpark and Purchaser shall each select one arbitrator, and the two arbitrators
so selected shall select a third arbitrator who will arbitrate the Environmental Dispute on his
own. The decision of the arbitrator shall be binding and conclusive upon the parties to this
Agreement. Such decision shall be written and shall be supported by written findings of fact and
conclusions which shall set forth the determination of such arbitrator. Any such arbitration shall
be held in Houston, Texas, under the commercial rules then in effect of the American Arbitration
Association. Newpark and Purchaser shall equally share the fees of the arbitrator and applicable
administrative fees and shall otherwise pay their respective costs and expenses in connection
therewith.

     5.15 Post-Closing Covenants.

     (a) Not later than sixty (60) days following the Closing, Purchaser shall either (i) cause
Newpark to be fully and unconditionally released in a writing reasonably satisfactory to Newpark
from all obligations of Newpark under that certain Corporate Guaranty dated December 23, 2005 by
and between Newpark and General Electric Capital Corporation (the “Corporate Guaranty”), or
(ii) fully satisfy and discharge all obligations to which the Corporate Guaranty relates and
provide Newpark with evidence thereof satisfactory to Newpark.

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     (b) Promptly following the Closing, Newpark and Purchaser shall cooperate in good faith to
obtain the consent of the Greater LaFourche Port Commission to the sublease of that certain tract
of land described in Section 5.15(b) of the Newpark Disclosure Schedule by NESI to DFI and upon
receipt of such consent, Purchaser (or NESI) and DFI shall enter into a sublease agreement (the
“Fourchon Sublease”) consistent with the terms and provisions set forth in Section 5.15(b)
of the Newpark Disclosure Schedule and otherwise in a form mutually acceptable to Newpark and
Purchaser.

ARTICLE VI

EMPLOYEE MATTERS COVENANTS

     6.1 Employees and Compensation.

     (a) Newpark shall update Section 3.10(f) of the Newpark Disclosure Schedule as of two (2)
Business Days prior to the Closing Date to reflect the Transferred Employees as of the Closing
Date.

     (b) Except as set forth on Schedule 6.1(b) of the Newpark Disclosure Schedule, from the
Closing Date through the first anniversary of the Closing Date, Purchaser shall provide, or shall
cause the Transferred Entities to provide, the Transferred Employees with compensation (including
bonuses, commissions and/or other annual incentive opportunities) and employee benefits that in the
aggregate are not substantially less favorable than the compensation and benefits provided by
Newpark and its Affiliates as of immediately prior to the Closing Date and as set forth in Sections
3.10(a), 3.10(f) and 6.2(f) of the Newpark Disclosure Schedule. Nothing in the foregoing provision
or otherwise shall in any way alter the “at will” nature of the employment relationship between any
Transferred Employee, on the one hand, and any Transferred Entity, on the other hand.

     6.2 Welfare Benefits Plans.

     (a) Effective as of the Effective Time and to the extent permitted by applicable Law,
Purchaser shall permit each Transferred Employee to enroll in Welfare Plans provided by Purchaser
or its Affiliates to their employees on the Closing Date which are consistent with Section 6.1(b).

     (b) Subject to the provisions of Section 6.2(a) and the conditions stated below, with respect
to the coverage of the Transferred Employees under the group health plans provided by Purchaser or
its Affiliates, (i) each such employee’s credited service with Newpark and its Affiliates shall be
credited against any waiting period applicable to eligibility for enrollment of new employees under
Purchaser’s group health plans; (ii) limitations on benefits due to pre-existing conditions shall
be waived (or, if such a waiver is not otherwise required by applicable Laws, Purchaser shall use
commercially reasonable efforts to have them waived), to the extent waived under the corresponding
Benefit Plan for any Transferred Employee enrolled in any group health plan maintained by Newpark
and its Affiliates as of the Closing Date; and (iii) any out of pocket annual maximums and
deductibles taken into account under the Newpark group health plan for any Transferred Employee
from and after March 1, 2007 to the Closing Date, shall to the extent permitted under Purchaser’s
group health plans, be credited under said group

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health plans. Notwithstanding anything to the contrary herein,
Purchaser’s obligations in this Section 6.2(b) are subject to and conditioned upon
satisfaction of all of the following conditions: (i) copies of all group health plan records
pertaining to out of pocket annual maximums, deductibles and similar costs incurred by Transferred
Employees under the Newpark group health plans shall be provided to the insurance carriers
providing group health benefits to
employees of Purchaser or its Affiliates; (ii) only expenses incurred from and after March 1,
2007 through the end of the current plan year for Purchaser’s group health plans, or February 28,
2008, will be credited; and (iii) the insurance carriers that provide group health benefits to
Purchaser’s employees shall receive certificates of creditable coverage for all of the Transferred
Employees and their dependents.

     (c) Purchaser shall be responsible for providing the notices and making available COBRA
Continuation Coverage for all Transferred Employees and their respective covered dependents whose
qualifying events (as defined in Code Section 4980B) occur on or after the Closing Date. Newpark
shall continue to be responsible for providing the notices and making available COBRA Continuation
Coverage, for all of the Former Employees and their respective covered dependents whose qualifying
events (as defined in Code Section 4980B) occur prior to the Closing Date.

     (d) Notwithstanding anything in this Agreement to the contrary, if any Transferred Employee
has become disabled (within the meaning of the applicable Welfare Plan maintained by Newpark or its
Affiliates that provides short-term or long-term disability benefits) prior to the Closing Date,
Newpark and/or its Affiliates will retain liability for the provision of disability benefits
payable to such Transferred Employee under Newpark’s Welfare Plans, if any, with respect to such
disability (but not with respect to any reoccurrence of such a disability after such Transferred
Employee returns to active service on or following the Closing Date). From and after the Closing
Date, any right to reemployment for any Transferred Employees who are on short-term or long-term
disability as of immediately prior to the Effective Time shall be the obligation of Purchaser and
its Affiliates and not of Newpark and its Affiliates.

     (e) From and after the Effective Time, (i) Purchaser shall assume and honor or shall cause the
Transferred Entities to assume and honor, all unpaid vacation or other paid time off days of the
Transferred Employees that accrued prior to the Effective Time, and (ii) Purchaser shall sponsor a
vacation and paid time off policy that applies to each Transferred Employee and shall take into
account service with Newpark and its Affiliates as provided in Section 6.3(a).

     (f) Subject to the limitations set forth in Section 2.1(b)(ii), Purchaser shall provide
Transferred Employees whose employment is terminated during the six-month period immediately
following the Closing Date severance pay and benefits on the terms and conditions set forth in
Section 6.2(f) of the Newpark Disclosure Schedule. Notwithstanding the foregoing, Purchaser and the
Transferred Entities shall not be under any obligation to continue the employment of any individual
for any period of time following the Closing as a result of any provision of this Agreement.

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     6.3 Miscellaneous Employee Issues.

     (a) For all purposes under the employee benefit plans, practices or arrangements of Purchaser
and its Affiliates (including the Transferred Entities) providing benefits to any Transferred
Employee after the Closing Date, each Transferred Employee shall be credited with all years of
service for which such Transferred Employee was credited before the Effective Time
under any similar employee benefit plans, practices or arrangements of Newpark and its
Affiliates.

     (b) No provision of this Agreement shall create any third party beneficiary or other rights in
any employee (including any beneficiary or dependent thereof) or any other persons in respect of
continued employment with any of Newpark, Newpark Texas, Purchaser or the Transferred Entities or
any of their respective Affiliates, and no provision of this Agreement shall create any such rights
in any such persons with respect to any benefits that may be provided, directly or indirectly,
under any Plan, policy or arrangement which may be established or maintained by Newpark, Newpark
Texas, the Transferred Entities or Purchaser.

     (c) Notwithstanding anything to the contrary herein, Newpark and its Affiliates hereby
covenant and agree that, following the Closing, any confidentiality provision in any agreement
between Newpark or any Affiliate and any Transferred Employee, together with any confidentiality
obligation of any Transferred Employee arising under the Law in favor of Newpark and its
Affiliates, shall not prohibit any such Transferred Employee’s use, post-Closing, of any
confidential information solely relating to the Business and for the benefit of the Transferred
Entities and their Affiliates. In addition, Newpark and its Affiliates hereby covenant and agree
that any non-competition provision in any agreement between Newpark or any Affiliate and any
Transferred Employee shall not prohibit a Transferred Employee’s activities, post-Closing, solely
relating to the Business and for the benefit of the Transferred Entities and their Affiliates. Any
Transferred Employee that, in the absence of this Agreement, would be bound by any such
confidentiality or non-competition provisions in favor of Newpark and its Affiliates post-Closing,
shall be a third-party beneficiary of this Agreement solely with respect to this Section 6.3(c).

ARTICLE VII

TAX MATTERS

     7.1 Liability for Taxes and Related Matters.

     (a) Newpark Liability for Taxes. Except for the amounts recorded as a liability in
the calculation of the Estimated Net Working Capital, as adjusted by the Closing Date Net Working
Capital, Newpark shall be liable for and indemnify Purchaser for all Taxes imposed on or due from
the Transferred Entities (i) for any taxable year or period that ends on or before the Closing Date
(a “Pre-Closing Period”), and (ii) with respect to any taxable year or period beginning
before and ending after the Closing Date (a “Straddle Period”), the portion of such taxable
year ending on and including the Closing Date. Newpark shall be entitled to any refund of Taxes of
the Transferred Entities received for any Pre-Closing Period and any portion of a Straddle Period
ending on and including the Closing Date.

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     (b) Purchaser Liability for Taxes. Purchaser shall be liable for and indemnify
Newpark for all Taxes imposed on or due from the Transferred Entities for any taxable year or
period that begins after the Closing Date (a “Post-Closing Period”) and, with respect to
any Straddle Period, the portion of such taxable year beginning after the Closing Date.

     (c) Taxes for Straddle Periods. To the extent permitted by Law or administrative
practice, the taxable year of the Transferred Entities shall be closed at the Effective Time. To
the extent that the taxable year of the Transferred Entities is not closed pursuant to the previous
sentence and it is therefore necessary to determine the liability for Taxes for a Straddle Period,
the determination of the Taxes for the portion of the year
or period ending on, and for the portion of the year or period beginning after, the Closing
Date shall be determined by assuming that the Transferred Entities had a taxable year or period
which ended at the Effective Time, except that exemptions, allowances or deductions that are
calculated on an annual basis (other than net operating losses and tax credits carried forward from
years ending prior to the Closing Date), shall be prorated on the basis of the number of days in
the annual period elapsed through the Closing Date as compared to the number of days in the annual
period elapsing after the Closing Date. Net operating losses and tax credits carried forward from
years ending prior to the Closing shall be allocated first, to the extent that they can be
utilized, to the taxable year or period ending on the Closing Date.

     (d) Adjustment to Purchase Price. Any payment by Purchaser or Trinity, on the one
hand, or Newpark, on the other hand, pursuant to Section 2.4, Section 2.5 or Article X and any Tax
indemnification payment pursuant to this Section 7.1 will be treated as an adjustment to the
Purchase Price for all Tax purposes. The indemnification obligations contained in Sections 7.1(a)
and 7.1(b) above shall survive the Closing Date until seventy-five (75) days following the
expiration of the statutory periods of limitations (including any extensions to such limitations
periods agreed to by Newpark or the Purchaser, as the case may be).

     (e) Tax Returns. Newpark shall file, or cause to be filed, when due all Tax Returns
that are required to be filed by or for the Transferred Entities for taxable years or periods
ending on or before the Effective Time, and Purchaser shall file, or cause to be filed, when due
all Tax Returns that are required to be filed by or for the Transferred Entities for taxable years
or periods ending after the Effective Time. If Newpark could be liable for any Taxes with respect
to any Tax Return filed by Purchaser, Purchaser shall (i) cause such Tax Return to be prepared on a
basis which is consistent with the Transferred Entities’ Tax Returns previously filed and in
accordance with past practices unless otherwise required (rather than permitted) by the Code and/or
Treasury Regulations at such time, (ii) deliver a copy of such Tax Return along with accompanying
work papers to Newpark not less than thirty (30) days prior to the due date (as extended, if
applicable) for the filing of such Tax Return (the “Due Date”), (iii) if, at any time prior
to the Due Date, Newpark notifies Purchaser that Newpark objects to any item reflected on such Tax
Return which item may affect Newpark’s liability for Taxes, Purchaser shall, prior to the Due Date,
make any and all changes to such item or items reasonably requested by Newpark and Purchaser shall
not file any such Tax Return until it has made such reasonable changes and received Newpark’s
agreement thereto (not to be unreasonably withheld). If Purchaser has fully complied with this
Section 7.1(e) with respect to a Tax Return to be filed by Purchaser, Newpark shall pay Purchaser
the Taxes for which Newpark is liable pursuant to Section 7.1(a) but which are payable with such
Tax Return within five (5) Business Days (x) prior to the Due Date for the

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filing of such Tax Returns or (y) after the date that Purchaser has provided Newpark with the revised Tax Return
referred to in clause (iii) of the previous sentence, whichever is later. If Purchaser fails to
satisfy any of its obligations pursuant to this Section 7.1(e) with respect to any Tax Return,
Newpark shall, in addition to any other remedies available to Newpark, have no obligation to
indemnify Purchaser for any Taxes reflected on such Tax Return.

     (f) Contest Provisions. Purchaser shall promptly notify Newpark in writing upon
receipt by Purchaser, any of its Affiliates or the Transferred Entities of notice of any pending,
proposed, threatened or actual Tax audit or Tax deficiency, assessment or other claim which may
affect the Taxes for any Pre-Closing Period or any Straddle Period for which Newpark would be
liable pursuant to Section 7.1(a). Newpark shall promptly notify Purchaser in writing upon receipt
by Newpark, Newpark Texas or any of their Affiliates of notice of any pending, proposed, threatened
or actual Tax audit or Tax deficiency, assessment or other claim which may affect the Taxes for any
Straddle Period for which Purchaser would be liable pursuant to Section 7.1(b). Newpark shall have
the sole right to control the defense in any Tax audit or administrative court proceeding (a
“Tax Contest”) relating to any Pre-Closing Period and to employ counsel and other advisors
of its choice at its expense, provided that Purchaser (together with its counsel and other advisors)
shall be entitled, at its sole cost, to participate in (but not control) any proceeding relating to
any such Pre-Closing Period. In the event Newpark shall have the right to control any such Tax
Contest, Purchaser shall, upon request of Newpark, execute any such document and take such other
action as may be reasonably requested by Newpark to obtain an extension of the period during which
the taxable year or period to which such Tax Contest relates remains subject to further audit or
examination. In the event of any Tax Contest relating to a Straddle Period of the Transferred
Entities, (i) to the extent the issues can be separated into those for which Newpark would be
liable under Section 7.1(a) and those for which Purchaser would be liable under Section 7.1(b),
then each of Newpark, on the one hand, and Purchaser, on the other, shall control the defense of
those issues for which it would be liable, employing counsel and other advisors of its own choice,
at its expense, (ii) with respect to all other issues, Purchaser shall be entitled to control the
defense employing counsel and other advisors of its choice at its expense, provided that Newpark
(along with counsel and other advisors of its choice) shall be entitled to participate in the
defense of and to take over such defense if Purchaser is not prosecuting the defense diligently,
vigorously and professionally. Neither Purchaser nor the Transferred Entities may agree to settle
any Tax claim which may affect the Taxes for which Newpark or its Affiliates would be liable under
Section 7.1(a) without the prior written consent of Newpark, which consent shall not be
unreasonably withheld. Further, neither Newpark nor any of its Affiliates may agree to settle any
Tax claim which may affect the Taxes for which Purchaser or the Transferred Entities would be
liable under Section 7.1(b) without the prior written consent of Purchaser, which consent shall not
be unreasonably withheld.

     7.2 Transfer Taxes. Any transfer taxes (excluding income taxes or capital gain taxes) arising
from the sale of the Acquired Interests shall be borne by Purchaser.

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ARTICLE VIII

CONDITIONS TO OBLIGATIONS TO CLOSE

     8.1 Conditions to Obligation of Each Party to Close. The respective obligations of each party to
consummate the transactions contemplated by this Agreement shall be subject to the satisfaction or
waiver at or prior to the Closing Date of the following conditions:

     (a) HSR Act. Any waiting period (and any extension thereof) applicable to the
consummation of the transactions contemplated by this Agreement under the HSR Act shall have
expired or been terminated.

     (b) No Injunctions. No injunction or other order issued by any court of competent
jurisdiction preventing the consummation of the Sale shall be in effect.

     (c) No Illegality. No Law shall have been enacted, entered, promulgated and remain in
effect that prohibits or makes illegal consummation of the Sale.

     8.2 Conditions to Purchaser’s Obligation to Close. The obligations of Purchaser to effect the
transactions contemplated by this Agreement shall be subject to the satisfaction or waiver by
Purchaser on or prior to the Closing Date of all of the following conditions:

     (a) Representations and Warranties. The representations and warranties of Newpark set
forth in this Agreement that are qualified as to materiality shall be true and correct and the
representations and warranties of Newpark set forth in this Agreement and that are not so qualified
shall be true and correct in all material respects, in each case on the date of this Agreement and
on the Closing Date as though made on the Closing Date, except those representations and warranties
that address matters only as of a particular date or only with respect to a specific period of
time, which need only be true and correct (or true and correct in all material respects, as
applicable) as of such date or with respect to such period; provided, however, that a breach of any
of the foregoing representations and warranties shall not constitute the non-fulfillment of the
foregoing condition if such breach is capable of cure, and such breach is actually cured, by the
earlier of (i) thirty (30) calendar days after written notice thereof from Purchaser and (ii) the
Outside Date.

     (b) Covenants and Agreements. The covenants and agreements of Newpark, DFI and Newpark
Texas to be performed or complied with on or before the Closing Date in accordance with this
Agreement including, without limitation, the delivery of the items described in Section 2.3(b)(i),
shall have been duly performed or complied with in all material respects.

     (c) Officer’s Certificate. Purchaser shall have received a certificate, dated as of
the Closing Date and signed on behalf of Newpark by an executive officer of Newpark, stating that
the conditions specified in Section 8.2(a) and Section 8.2(b) have been satisfied.

     (d) Releases of Liens and Indebtedness. The Purchaser shall have received reasonable
evidence that (i) the Transferred Interests and all assets held by the Transferred Entities shall
have been released from any and all Liens (other than Permitted Liens), and (ii) the Transferred
Entities shall have been released from all guaranties or other liability with respect to Newpark’s
funded Indebtedness.

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     (e) No Material Adverse Effect. No Material Adverse Effect shall have occurred, nor
shall any event or circumstance have occurred which would reasonably be expected to have,
individually or in the aggregate, a Material Adverse Effect.

     (f) FIRPTA. Newpark shall deliver to Purchaser at the Closing a duly executed and
acknowledged certificate, in customary form and substance reasonably acceptable to Purchaser and in
compliance with the Code and Treasury Regulations, certifying such facts as to establish that the
sale of the Acquired Interests is exempt from withholding pursuant to Section 1445 of the Code.

     (g) Lafayette Sublease. Newpark Mats and Integrated Services LLC (“NMIS”) and
NESI shall have entered into a sublease (the “Lafayette Sublease Agreement”) of the office
space described in Section 8.2(g) of the Newpark Disclosure Schedule on terms and provisions
consistent with those set forth on Section 8.2(g) of the Newpark Disclosure Schedule and otherwise
in a form mutually acceptable to Newpark and Purchaser. Newpark shall also deliver to Purchaser at
the Closing evidence of the consent, if any, required from the lessor in a form reasonably
acceptable to Purchaser.

     (h) Environmental Reports. The environmental site assessments contemplated by Section
5.14 hereof shall have been completed and Purchaser shall have received the Environmental Reports
contemplated by Section 5.14. For the avoidance of doubt, the condition represented by this
Section 8.2(h) is limited to the completion of the environmental site assessments and delivery of
the Environmental Reports and does not include Purchaser’s acceptance of the Environmental Reports
or any Alleged Recognized Environmental Conditions identified therein. The parties acknowledge
that the provisions of Section 5.14 shall control with
respect to the resolution of any Alleged Recognized Environmental Conditions and Purchaser’s
right to terminate this Agreement as a result of any such Alleged Recognized Environmental
Conditions.

     (i) Other. Purchaser shall have received reasonable evidence of the satisfaction of
any additional conditions to Purchaser’s obligations to close as set forth in Section 8.2(i) of the
Newpark Disclosure Schedule.

     8.3 Conditions to DFI’s and Newpark Texas’ Obligations to Close. The obligations of DFI and
Newpark Texas to consummate the transactions contemplated by this Agreement shall be subject to the
satisfaction or waiver by Newpark on or prior to the Closing Date of all of the following
conditions:

     (a) Representations and Warranties. The representations and warranties of Purchaser
set forth in this Agreement that are qualified as to materiality shall be true and correct and the
representations and warranties of Purchaser set forth in this Agreement and that are not so
qualified shall be true and correct in all material respects, in each case on the date of this
Agreement and on the Closing Date as though made on the Closing Date, except those representations
and warranties that address matters only as of a particular date or only with respect to a specific
period of time, which need only be true and correct (or true and correct in all material respects,
as applicable) as of such date or with respect to such period; provided, however, that a breach of
any of the foregoing representations and warranties shall not constitute

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the non-fulfillment of the foregoing condition if such breach is capable of cure and such breach is actually cured, by the
earlier of (i) thirty (30) calendar days after written notice thereof from Newpark and (ii) the
Outside Date.

     (b) Covenants and Agreements. The covenants and agreements of Purchaser to be
performed or complied with on or before the Closing Date in accordance with this Agreement
including, without limitation, the delivery of the items described in Section 2.3(b)(ii), shall
have been duly performed or complied with in all material respects.

     (c) Officer’s Certificate. Newpark shall have received a certificate, dated as of the
Closing Date and signed on behalf of Purchaser by an executive officer of Purchaser, stating that
the conditions specified in Section 8.3(a) and Section 8.3(b) have been satisfied.

ARTICLE IX

TERMINATION

     9.1 Termination. This Agreement may be terminated at any time prior to the Closing:

     (a) by mutual written consent of Newpark and Purchaser;

     (b) by either Newpark, on the one hand, or Purchaser, on the other hand, if the Closing shall
not have occurred on or before December 15, 2007 (the “Outside Date”); provided, however,
that (i) either Newpark or Purchaser may, at its sole discretion, extend the Outside Date on one or
more occasions for an aggregate period not to exceed forty-five (45) days if all other conditions
to consummation of the transactions contemplated by this Agreement are satisfied or capable of then
being satisfied, and the sole reason that such transactions have not been consummated by such date
is that the condition set forth in Section 8.1(a) has not been satisfied, (ii) either Newpark or
Purchaser may, at its sole discretion, extend the Outside Date up to sixty
(60) days if a Phase II Report shall be required pursuant to Section 5.14(b) and such Phase II
Report shall not have been completed, (iii) either Newpark or Purchaser may, at its sole
discretion, extend the Outside Date (as same may have been extended pursuant to the preceding
clause (ii)) on one or more occasions for an aggregate period not to exceed forty-five (45) days if
one or more Environmental Disputes shall have been submitted to arbitration in accordance with
Section 5.14(d), provided, that the Outside Date shall not be extended for a period in excess of
five (5) Business Days following the date upon which the arbitrator shall have delivered his
written decision with respect to such Environmental Disputes, (iv) either Newpark or Purchaser may,
at its sole discretion, extend the Outside Date (as same may have been extended) up to six (6)
months if Newpark exercises its option under Section 5.14(c)(iii) to cure or remediate the Selected
Alleged Recognized Environmental Conditions, and (v) the right to terminate this Agreement under
this Section 9.1(b) shall not be available to any party to this Agreement whose failure to comply
or perform in any material respect with such party’s representations, warranties, covenants or
other agreements contained in this Agreement has been the cause of or resulted in the failure of
the transactions contemplated by this Agreement to occur on or before the Outside Date. In the
event (A) any Environmental Report required pursuant to Section 5.14 hereof shall not have been
completed on or before the Outside Date as it may have been extended pursuant to clause (ii) above,
or (B) any Environmental Dispute shall not have been

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resolved by arbitration or otherwise on or
before the Outside Date as it may have been extended pursuant to clause (iii) above, Newpark shall
have the right, at its discretion, to terminate this Agreement on the Outside Date (as same may
have been extended). In the event Newpark shall
not have completed the cure or remediation of the Selected Alleged Recognized Environmental
Conditions on or before the Outside Date as it may have been extended pursuant to clause (iv)
above, Purchaser shall have the right, at its discretion, to terminate this Agreement on the
Outside Date (as the same may have been extended);

     (c) by Newpark at any time if (i) the representations and warranties of Purchaser in this
Agreement that are qualified as to materiality were not true and correct or the representations and
warranties of Purchaser in this Agreement that are not so qualified were not true and correct in
all material respects when made or at any time thereafter, or (ii) Purchaser is in breach in any
material respect of any of its covenants or other agreements in this Agreement (clauses (i) and
(ii) collectively, a “Purchaser Breach”), and such Purchaser Breach continues uncured for
thirty (30) calendar days after written notice thereof by Newpark; provided, however, that such
thirty (30) day period shall not be extended past the Outside Date;

     (d) by Purchaser at any time if (i) the representations and warranties of Newpark in this
Agreement that are qualified as to materiality were not true and correct or the representations and
warranties of Newpark in this Agreement that are not so qualified were not true and correct in all
material respects when made or at any time thereafter, or (ii) any one of Newpark, DFI or Newpark
Texas are in breach in any material respect of any of their respective covenants or other
agreements in this Agreement (clauses (i) and (ii) collectively, a “Newpark Breach”), and
such Newpark Breach continues uncured for thirty (30) calendar days after written notice thereof by
Purchaser; provided, however, that such thirty (30) day period shall not be extended past the
Outside Date; or

     (e) by Purchaser pursuant to Section 5.14(c)(iii).

     9.2 Notice of Termination. In the event of termination of this Agreement by Newpark, on the one
hand, or Purchaser, on the other hand, pursuant to Section 9.1, written notice of such termination
shall be given by the terminating party to the other parties to this Agreement.

     9.3 Effect of Termination.

     (a) In the event of the termination of this Agreement pursuant to Section 9.1, this Agreement
shall terminate and become void and have no effect, and the transactions contemplated by this
Agreement shall be abandoned without further action by the parties to this Agreement, except that
the provisions of Sections 5.1(a) (as they relate to the Confidentiality Agreement), 9.3, 11.2 and
11.4 shall survive the termination of this Agreement; provided, however, that such termination
shall not relieve any party to this Agreement of any liability for breach of this Agreement and the
terminating party’s right to pursue all legal remedies will survive such termination.

     (b) Notwithstanding anything in this Agreement to the contrary, if this Agreement is
terminated pursuant to Section 9.1(b) (other than as a result of Newpark’s failure to complete the

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cure or remediation of the Selected Alleged Recognized Environmental Conditions on or before
the Outside Date as extended pursuant to clause (iv) of Section 9.1(b)) or Section 9.1(c),
then Purchaser shall pay or cause to be paid to Newpark $1,000,000 (the “Termination Fee”)
in immediately available funds as promptly as reasonably practicable (and in any event within two
(2) Business Days following such termination) by wire transfer of same-day funds. The parties
acknowledge and agree that if this Agreement is terminated pursuant to Section 9.1(b), except as
provided above, or Section 9.1(c), Newpark’s damages would be difficult or impossible to quantify
with reasonable certainty, and accordingly the payment of the Termination Fee provided for in this
Section 9.3(b) is a payment of liquidated damages (and not penalties) which is based upon the
parties’ estimate of the damages Newpark will suffer or incur as a result of the event giving rise
to such payment and the resulting termination of this Agreement, and the payment of such
Termination Fee by Purchaser as herein provided shall be the sole and exclusive remedy of Newpark
in the event of any such termination.

ARTICLE X

SURVIVAL AND INDEMNIFICATION

     10.1 Survival Periods. Regardless of any investigation at any time made by or on behalf of any
party hereto, or of any information any party may have in respect thereof, all representations and
warranties, and all covenants that contemplate or may involve actions to be taken or obligations in
effect prior to the Closing, in each case contained in this Agreement or in any Schedule to this
Agreement, or in any certificate, document or other instrument delivered in connection with this
Agreement, shall survive the Closing as herein provided; provided, however, that the right to
commence any claim with respect thereto under Section 10.2(a), 10.2(b), 10.3(a) and 10.3(b), shall
terminate and cease to be of further force and effect as of the date which is twenty-four (24)
months following the Closing Date; and provided, further that (i) the representations and
warranties set forth in Section 3.2 (Capitalization of the Transferred Entities), Section 3.3
(Authority Relative to this Agreement), Section 3.10 (Employee Benefits; Labor Matters), Section
3.11 (Brokers), Section 3.13 (Environmental Matters), Section 4.2 (Authority Relative to this
Agreement), Section 4.5 (Brokers) and Section 4.6 (Acquisition of Transferred Interests), and the
right to commence any claim with respect thereto under Section 10.2(a) and 10.3(a), shall survive
the execution and delivery of this Agreement until the fifth anniversary of the Closing Date, and
(ii) the representations and warranties set forth in Section 3.12 (Taxes), and the right to
commence any claim with respect thereto under Section 10.2(a), shall survive until the sixth
anniversary of the Closing Date. Those covenants that contemplate or may involve actions to be
taken or obligations in effect after the
Closing shall survive in accordance with their terms (the “Surviving Covenants”).
Notwithstanding the foregoing, any covenant, agreement, representation, warranty or other matter in
respect of which indemnity may be sought under this Agreement shall survive the time at which it
would otherwise terminate pursuant to this Section 10.1, if notice of the inaccuracy or breach
thereof or other matter giving rise to such right of indemnity shall have been given to the party
against whom such indemnity may be sought prior to such time.

     10.2 Indemnification by Newpark, DFI and Newpark Texas. Subject to the terms and conditions of this Article X including the limitations set forth in
Section 10.1 and Section 10.5 and the provisions of Section 5.14(c) relating to Alleged Recognized
Environmental Costs, from and after the Closing Date, Newpark, DFI and Newpark Texas shall jointly
and

-55-

 

severally indemnify and hold harmless Purchaser and its Affiliates, and each of their
respective directors, officers, employees and agents (collectively, the “Purchaser Indemnified
Parties”) from and against any and all Losses to the extent resulting from or arising out of:

     (a) any breach or inaccuracy of any representation or warranty of Newpark contained in this
Agreement, other than those which have been waived in writing by Purchaser prior to the Closing;

     (b) any breach of any Surviving Covenant contained in this Agreement to be performed by
Newpark, DFI or Newpark Texas after the Closing;

     (c) any Non-assumed Liabilities; or

     (d) the matters described in Section 10.2(d) of the Newpark Disclosure Schedule.

     10.3 Indemnification by Purchaser and Trinity. Subject to the terms and conditions of this
Article X including the limitations set forth in Section 10.1 and Section 10.5, from and after the
Closing Date, Purchaser and Trinity shall jointly and severally indemnify and hold harmless Newpark
and its Affiliates, and each of their respective directors, officers, employees and agents,
(collectively, the “Newpark Indemnified Parties” and together with Purchaser Indemnified
Parties the “Indemnified Parties”) from and against any and all Losses resulting from or
arising out of:

     (a) any breach or inaccuracy of any representation or warranty of Purchaser contained in this
Agreement, other than those which have been waived in writing by Newpark, DFI and Newpark Texas
prior to the Closing;

     (b) any breach of any Surviving Covenant contained in this Agreement to be performed by
Purchaser or Trinity after the Closing; or

     (c) other than any Loss indemnifiable by Newpark, DFI or Newpark Texas under Section 10.2, any
Losses of any Transferred Entity resulting from a claim of a third party arising out of or in
connection with any of the businesses, properties, assets, operations or activities of any
Transferred Entity or any of its Affiliates, heretofore, currently or hereafter owned or conducted,
as the case may be.

     10.4 Third-Party Claims. If a claim by a third party is made against an Indemnified Party, and
if such party intends to seek indemnity with respect thereto under this Article X, such Indemnified
Party, shall promptly notify, in writing, Purchaser, if a Newpark Indemnified Party, or Newpark, if
a Purchaser Indemnified Party (Purchaser and Trinity, or Newpark, DFI and Newpark Texas, as the
case may be, the “Indemnifying Party”), of such claims. The failure to provide such
written notice shall not result in a waiver of any right to indemnification hereunder except to the
extent that the Indemnifying Party is actually and materially prejudiced by such failure. The
Indemnifying Party shall have twenty (20) days after receipt of such notice to elect to undertake,
conduct and control, through counsel of its own choosing and at its own expense, the settlement or
defense thereof, and the Indemnified Party shall cooperate with it in connection therewith.
Notwithstanding the foregoing, an Indemnified Party shall have the right to employ separate counsel
at the Indemnifying Party’s expense and participate in (but not control) such

-56-

 

defense if the named parties to any such proceeding include both such Indemnified Party and the Indemnifying Party, and
such Indemnified Party shall have been advised by counsel that a conflict of interest is likely to
exist if the same counsel were to represent such Indemnified Party and the Indemnifying Party.
Notwithstanding the foregoing, in no event shall an Indemnifying Party be required to pay the
expenses of more than one (1) separate counsel. The Indemnified Party shall not pay or settle any
claim without the prior written consent of the Indemnifying Party (which consent shall not be
unreasonably withheld). Notwithstanding the foregoing, the Indemnified Party shall have the right
to pay or settle any such claim; provided, that, in such event, it shall waive any right to
indemnity therefor by the Indemnifying Party. The Indemnifying Party shall not, except with the
consent of the Indemnified Party, (i) enter into any settlement that does not include, as an
unconditional term thereof, the giving by the person or persons asserting such claim to all
Indemnified Parties of an unconditional release from all liability with respect to such claim, or
(ii) consent to entry of any judgment that imposes injunctive or equitable relief.

     10.5 Limitations.

     (a) No indemnity shall be payable to the Purchaser Indemnified Parties under Section 10.2(a)
with respect to any claim resulting from any breach or inaccuracy of any representation or
warranty, unless and until the aggregate of all Losses due from Newpark, DFI and/or Newpark Texas
exceeds $1,500,000 (the “Deductible”), in which event all Losses so due in excess of the
Deductible shall be paid in the aggregate by Newpark, DFI and/or Newpark Texas; provided, that the
aggregate amount payable by Newpark, DFI and Newpark Texas for all claims arising under this
Agreement shall not exceed 33% of the Initial Closing Consideration. Notwithstanding anything to
the contrary contained in this Agreement, neither Newpark, DFI nor Newpark Texas shall be required
to indemnify any Purchaser Indemnified Party with respect to any Loss (or series of related Losses)
incurred by or asserted by reason of any breach of any representation or warranty contained in this
Agreement if the Loss (or series of related Losses) from such breach is less than (i) $75,000, if
such Loss is incurred before such time as the aggregate amount of all Losses due from Newpark
exceeds the Deductible, and (ii) $50,000 if such Loss is incurred after such time as the aggregate
amount of all Losses due from Newpark exceeds the Deductible (the “Minimum Claim Amount”),
nor shall any Losses less than the Minimum Claim Amount be included for purposes of calculating
whether the Deductible has been exceeded. The limitations set forth in this Section 10.5(a) shall
not apply with respect to (i) any amounts payable under Section 2.4, Section 2.5 or Losses arising
under Section 10.2(b), Section 10.2(c), or Section 10.2(d) (except as otherwise indicated in
Section 10.2(d) of the Newpark Disclosure Schedule), (ii) any breach of Section 5.12, and/or
(iii) any acts of willful misconduct or fraud.

     (b) No indemnity shall be payable to the Newpark Indemnified Parties under Section 10.3(a)
with respect to any claim resulting from any breach or inaccuracy of any representation or
warranty, unless and until the aggregate of all Losses due from Purchaser and Trinity exceeds the
Deductible, in which event all Losses so due in excess of the Deductible shall be paid in full by
Purchaser and/or Trinity; provided, that the aggregate amount payable by Purchaser and Trinity for
all claims arising under this Agreement shall not exceed 33% of the Initial Closing Consideration.
Notwithstanding anything to the contrary contained in this Agreement, neither Purchaser nor Trinity
shall be required to indemnify any Newpark

-57-

 

Indemnified Party with respect to any Loss (or series of
related Losses) incurred by or asserted by reason of any breach of any representation or warranty
contained in this Agreement if the Loss (or series of related Losses) from such breach is less than
the Minimum Claim Amount, nor shall any Losses less than the Minimum Claim Amount be included for
purposes of calculating whether the Deductible has been exceeded. The limitations set forth in this
Section 10.5(b) shall not apply with respect to (i) any amounts payable under Section 2.4,
Section 2.5 or Losses arising under Section 10.3(b) or Section 10.3(c), and/or (ii) any acts of
willful misconduct or fraud.

     10.6 Disregard of Materiality. For purpose of this Article X, all qualifications and
exceptions in Article III or Article IV of this Agreement relating to materiality or words of
similar impact (including “Material Adverse Effect”) or substantiality or any qualification or
requirement that a matter be or not be “reasonably expected to occur” shall be disregarded for
purposes of determining whether there has been a breach or inaccuracy of any such representation or
warranty pursuant to Section 10.2(a) or Section 10.3(a).

     10.7 Mitigation; Additional Indemnification Provisions. Each Indemnified Party shall use
commercially reasonable efforts to mitigate any claim or liability that an Indemnified Party
asserts under this Article X. For purposes of this Agreement, Losses shall be decreased by any
actually realized Tax Benefit resulting from the payment or accrual of such Losses; provided,
however, that Tax Benefits shall only be taken into account for such purpose to the extent that
they are actually realized within three (3) years of the Closing Date. For purposes of this
Agreement, Losses shall be calculated after giving effect to any amounts recovered from third
parties, including amounts recovered under insurance policies with respect to such Losses, net of
any costs to recover such amounts. Any Indemnified Party having a claim under these indemnification
provisions shall make a good-faith effort to recover all losses, costs, damages and expenses from
insurers of such Indemnified Party under applicable insurance policies so as to reduce the amount
of any Losses hereunder; provided, that actual recovery of any insurance shall not be a condition
to the Indemnifying Party’s obligation to make indemnification payments to the Indemnified Party in
accordance with the terms of this Agreement. If the Indemnifying Party receives any amounts under
applicable insurance policies, or from any other Person alleged to be responsible for a Loss, after
an indemnification payment by the Indemnifying Party has been made for such Loss, then the
Indemnified Party shall promptly reimburse the Indemnifying Party for such indemnification payment
up to the amount so received or realized by the Indemnified Party. No Indemnified Party will, in
any event, be entitled to any incidental, indirect, consequential, special, exemplary or punitive
damages (other
than any such damages payable to third parties or in the event of fraud, willful misconduct,
or Newpark’s breach of Section 5.12). The Indemnifying Party shall not be liable under Section 10.2
for any Loss relating to any matter to the extent that the amount of such Loss is reflected in the
calculation of the Closing Date Net Working Capital.

     10.8 Exclusive Remedies. Excluding any claim for injunctive relief or equitable relief
relating to any breach of Section 5.12 or as otherwise expressly provided herein, the parties
hereto acknowledge and agree that, following the Closing, the indemnification provisions of
Sections 10.2 and 10.3 shall be the sole and exclusive remedies of the parties hereto (other than
in the case of fraud or willful misconduct), respectively, for any Losses arising out of this
Agreement or the transactions contemplated hereby.

-58-

 

     10.9 Tax Indemnification Matters. Notwithstanding anything to the contrary in this Article X,
the above provisions of this Article X shall not apply to tax indemnification matters of
Sections 7.1(a) and 7.1(b) with respect to the Pre-Closing Period, Straddle Period or Post-Closing
Period, which shall instead be governed by Article VII.

ARTICLE XI

MISCELLANEOUS

     11.1 Counterparts. This Agreement may be executed in two or more counterparts, all of which
shall be considered one and the same agreement, and shall become effective when one or more
counterparts have been signed by each of the parties and delivered to the other party.

     11.2 Governing Law; Jurisdiction and Forum; Waiver of Jury Trial.

     (a) THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE
OF TEXAS APPLICABLE TO CONTRACTS EXECUTED AND TO BE PERFORMED WHOLLY WITHIN SUCH STATE AND WITHOUT
REFERENCE TO THE CHOICE-OF-LAW PRINCIPLES THAT WOULD RESULT IN THE APPLICATION OF THE LAWS OF A
DIFFERENT JURISDICTION.

     (b) EACH PARTY TO THIS AGREEMENT IRREVOCABLY SUBMITS TO THE JURISDICTION OF ANY TEXAS STATE OR
FEDERAL COURT IN ANY ACTION ARISING OUT OF OR RELATING TO THIS AGREEMENT, AND HEREBY IRREVOCABLY
AGREES THAT ALL CLAIMS IN RESPECT OF SUCH ACTION MAY BE HEARD AND DETERMINED IN SUCH TEXAS STATE OR
FEDERAL COURT. EACH PARTY TO THIS AGREEMENT HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT THAT
IT MAY EFFECTIVELY DO SO, THE DEFENSE OF AN INCONVENIENT FORUM TO THE MAINTENANCE OF SUCH ACTION.
THE PARTIES FURTHER AGREE, TO THE EXTENT PERMITTED BY LAW, THAT FINAL AND UNAPPEALABLE JUDGMENT AGAINST ANY OF THEM IN
ANY ACTION CONTEMPLATED ABOVE SHALL BE CONCLUSIVE AND MAY BE ENFORCED IN ANY OTHER JURISDICTION
WITHIN OR OUTSIDE THE UNITED STATES BY SUIT ON THE JUDGMENT, A CERTIFIED COPY OF WHICH SHALL BE
CONCLUSIVE EVIDENCE OF THE FACT AND AMOUNT OF SUCH JUDGMENT.

     (c) EACH PARTY TO THIS AGREEMENT WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW,
ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY ACTION ARISING OUT OF OR RELATING TO
THIS AGREEMENT. EACH PARTY TO THIS AGREEMENT CERTIFIES THAT IT HAS BEEN INDUCED TO ENTER INTO THIS
AGREEMENT OR INSTRUMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS SET FORTH
ABOVE IN THIS SECTION 11.2.

     11.3 Entire Agreement. This Agreement (including the Schedules to this Agreement) together
with the Confidentiality Agreement, contain the entire agreement between the parties with respect
to the subject matter of this Agreement and supersede any prior discussion, negotiation, term
sheet, agreement, understanding or arrangement and there are no agreements,

-59-

 

     understandings, representations or warranties between the parties other than those set forth or referred to in this
Agreement.

     11.4 Expenses. Except as set forth in this Agreement, whether the transactions contemplated by
this Agreement are consummated or not, all legal and other costs and expenses incurred in
connection with this Agreement and the transactions contemplated by this Agreement shall be paid by
the party incurring such costs and expenses unless expressly otherwise contemplated in this
Agreement. The parties acknowledge and agree that the filing fees required to be paid to the
Federal Trade Commission in connection with the notification filings under the HSR Act shall be
split equally between Newpark and Purchaser up to an aggregate of $150,000, after which amount
Purchaser shall be solely responsible for all such filing fees in excess of $150,000.

     11.5 Notices. All notices and other communications to be given to any party hereunder shall be
sufficiently given for all purposes hereunder if in writing and delivered by hand, courier or
overnight delivery service or three days after being mailed by certified or registered mail, return
receipt requested, with appropriate postage prepaid, or when received in the form of a telegram or
facsimile and shall be directed to the address set forth below (or at such other address or
facsimile number as such party shall designate by like notice):

	 	 	 	 	 
	 

	 	If to Newpark:
	 	Newpark Resources, Inc.

2700 Research Forest Drive, Suite 100

The Woodlands, Texas 77381

Attention: Mark J. Airola

Fax No: (281) 362-6801
	 
	 	 	 	 
	 

	 	with a copy to:
	 	Andrews Kurth LLP

10001 Woodloch Forest Drive, Suite 200

The Woodlands, Texas 77380

Attention: William C. McDonald 

Fax No: (713) 238-7286
	 
	 	 	 	 
	 

	 	If to Purchaser
or Trinity:
	 	Trinity TLM Acquisitions, LLC 

13443 Highway 71 West 

Austin, Texas 78738

Attention: Daniel Porter 

Fax No: (512) 421-8521
	 
	 	 	 	 
	 

	 	with a copy to:
	 	Graves, Dougherty, Hearon & Moody, P.C.

401 Congress Avenue, Suite 2200

Austin, Texas 78701

Attention: Rod Edens, Jr. and Thomas I. Queen, Jr.

Fax No: (512) 480-5841

     11.6 Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of
the parties to this Agreement and their respective successors and permitted assigns; provided,
however, that no party to this Agreement will assign its rights or delegate any or all of
its obligations under this Agreement without the express prior written consent of each other party to
this Agreement, except that (i) each of Newpark, DFI, Newpark Texas and Purchaser may assign their
respective rights and obligations under this Agreement to an Affiliate of Newpark and/or Purchaser,
as the case may be; provided, that no such assignment shall release Newpark, Newpark Texas and/or
Purchaser from any liability or obligation under this Agreement, (ii) Trinity, as part of any
merger, consolidation, contribution by or reorganization of Trinity in which all of Trinity’s
operating assets are merged into, consolidated with or otherwise contributed to Purchaser or any
Affiliate of Purchaser, may assign all of its respective rights and obligations under this
Agreement to such successor in interest to Trinity’s assets and Trinity shall thereafter have no
further liability or obligation under this Agreement, and (iii) DFI and Newpark Texas shall have
the right to assign all, but not less than all, of their right to receive the Earn-Out
Consideration to any purchaser of all or substantially all of the assets of Newpark. Any attempted
assignment in violation of this Section 11.6 shall be void.

     11.7 Third-Party Beneficiaries. Except for the narrow purpose set forth in the last sentence
of Section 6.3(c), this Agreement is not intended to confer upon any Person not a party to this
Agreement (and their successors and assigns) any rights or remedies hereunder.

     11.8 Amendments and Waivers

     . This Agreement may not be modified or amended except by an instrument or instruments in
writing signed by each of the parties hereto. Any party to this Agreement may, only by an
instrument in writing, waive compliance by the other parties to this Agreement with any term or
provision of this Agreement on the part of such other parties to this Agreement to be performed or
complied with. The waiver by any party to this Agreement of a breach of any term or provision of
this Agreement shall not be construed as a waiver of any subsequent breach.

     11.9 Severability. If any term, provision, covenant or restriction of this Agreement is held
by a court of competent jurisdiction or other authority to be invalid, void or unenforceable, the
remainder of the terms, provisions, covenants and restrictions of this Agreement shall remain in
full force and effect and shall in no way be affected, impaired or invalidated so long as the
economic or legal substance of the transactions contemplated hereby is not affected in any manner
materially adverse to any party. Upon such a determination, the parties shall negotiate in good
faith to modify this Agreement so as to effect the original intent of the parties as closely as
possible in a mutually acceptable manner in order that the transactions contemplated hereby be
consummated as originally contemplated to the fullest extent possible.

[Remainder of page left intentionally blank]

-60-

 

     IN WITNESS WHEREOF, this Agreement has been signed by or on behalf of each of the parties as
of the day first above written.

	 	 	 	 	 	 	 
	 	 	NEWPARK RESOURCES, INC.
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ James E. Braun	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:	 	James E. Braun	 	 
	 

	 	Title:	 	VP & CFO	 	 
	 
	 	 	 	 	 	 
	 	 	NEWPARK DRILLING FLUIDS LLC
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ James E. Braun	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:	 	James E. Braun	 	 
	 

	 	Title:	 	VP	 	 
	 	 	NEWPARK TEXAS, L.L.C.
	 
	 	 	 	 	 	 
	 

	 	By:	 	/s/ James E. Braun	 	 
	 

	 	 	 	 	 	 
	 

	 	Name:	 	James E. Braun	 	 
	 

	 	Title:	 	VP	 	 

	 	 	 	 	 
	 	TRINITY TLM ACQUISITIONS, LLC

 	 
	 	By:  	/s/
Daniel B. Porter	 
	 	Name:  	Daniel B. Porter 
	 	Title:  	President 
	 
	 	TRINITY STORAGE SERVICES, L.P.

By: CCBS, Inc., its general partner

 	 
	 	By:  	/s/
Daniel B. Porter	 
	 	 	Name:  	Daniel B. Porter 	 
	 	 	Title:  	Chairman and Chief Executive Officerexv10w3

 

Exhibit 10.3

SEPARATION AND RELEASE AGREEMENT

     THIS SEPARATION and RELEASE AGREEMENT (“Agreement”) is made this 21st day of August, 2007 by
and between Plains All American GP LLC and all of its parent, subsidiary and affiliate entities
(the “Company” or the “Employer”) and George R. Coiner (“Coiner” or the “Employee”), an individual
currently residing at 2520 Robinhood, #1009, Houston, TX 77009. The Employer and Employee are at
times referred to collectively as “the Parties.”

WITNESSETH

     WHEREAS, Coiner is an employee of the Company; and

     WHEREAS, the Company and Coiner have mutually agreed to sever the employment relationship
between Employer and Employee on the terms and conditions herein described; and

     WHEREAS, the Company and Coiner desire to provide for a consulting arrangement between Coiner
and the Company as set forth herein.

     NOW, THEREFORE, in consideration of the covenants and conditions herein contained, the parties
agree as follows:

	1.	 	Retirement and Severance of Employment. Coiner will retire and, accordingly, Coiner’s
employment with the Company will terminate, effective August 31, 2007 or the date of this
Agreement, whichever is later (the “Severance Date”). Coiner will resign from all positions,
offices and directorships, if any, that he holds with any of the Company Affiliates (as
defined in Section 5(e) below) effective as of the Severance Date.

	2.	 	Payments. Subject to the conditions set forth in Section 5 below and Coiner’s
continued compliance with the terms hereof, the Company agrees to pay the following:

	 	(a)	 	$8,693,836 within seven days of the earlier of (i) the
Severance Date and (ii) the date of this Agreement. Coiner acknowledges and
agrees that (i) such amount is a gross amount, which will be subject to and
reduced by any applicable payroll taxes and (ii) no payment hereunder will
involve any contribution to the Company’s 401(K) Plan.
	 
	 	(b)	 	COBRA coverage. The Company agrees to pay COBRA insurance
premiums (medical and/or dental) for up to 18 months. In the event that
Coiner’s entitlement to COBRA coverage should cease before that time, the
Company will have no obligation to continue payment of Coiner’s COBRA
premiums.

57

 

	3.	 	Consulting Arrangement. Coiner will provide consulting services through March 31, 2009 on
an as-need basis upon request of, and with adequate notice from, the CEO or President of the
Company; provided that Coiner shall not be required to provide such consulting services in
excess of forty (40) hours per month. The consulting services requested will be commensurate
with matters undertaken by a Senior Vice President. The Company will pay Coiner $500,000 on
or around the first day of each quarter commencing October 1, 2007, with the last payment on
January 1, 2009.

	4.	 	Confidential Information and Non-Solicitation Agreement. The provisions of the
Confidential Information and Non-Solicitation Agreement dated November 23, 1998 by and between
the Company as successor to Plains All American Inc., and Coiner (the “Confidentiality
Agreement”) shall remain in force and effect through March 31, 2010 (the parties hereto
intending to, and do hereby, amend the term of the Confidentiality Agreement), and any
payments made hereunder shall be subject to Coiner’s continuing compliance with the provisions
of the Confidentiality Agreement. In that regard, Coiner represents that he is and at all
times has been in compliance therewith, and after due inquiry the Company is not aware of any
breach. Coiner acknowledges that this Agreement constitutes a request from the Company under
Section 1(c) of the Confidentiality Agreement to deliver to the Company on the Severance Date
all of the documents, records, notebooks, notes, memoranda and similar repositories described
therein, including all electronic or digital media, computers, computer files, handhelds, PDAs
and cellular devices (the “Confidential Documents”), and represents and warrants that no
copies of the Confidential Documents exist other than those to be delivered hereunder.

	5.	 	Coiner Release. Subject to Section 7 hereof and in exchange for the consideration
described in Sections 2 and 3 hereof:

	 	(a)	 	Except for claims relating to a breach of this Agreement by the
Company, Coiner hereby irrevocably, unconditionally, fully and forever releases
the Company and the Released Company Parties (as defined below) from all claims,
demands, causes of action or similar rights or liabilities of any nature, whether
known or unknown, in equity or at law, which Coiner ever had, now has, or may
hereafter claim to have, against any or all of them including, but not limited to,
those based on, arising out of, or in any way related to:

	 	i.	 	any claims for payment, including, but
not limited to, claims for salary, bonus and incentive payments,
retention payments, benefits payments, accrued vacation benefits,
or reimbursement of expense payments, or claims under any equity or
incentive grants or awards, including without limitation any
transaction grants, phantom units, restricted units or unit
options, under any plan or program of the Company or Released
Company Parties (but not including the outstanding, vested and

58

 

	 	 	 	unexercised option to purchase 21,250 Common Units under the
Performance Option Plan); and

	 	ii.	 	Coiner’s employment with the Company
and termination of same, including breach of contract (with the
exception of claims relating to a breach of this Agreement by the
Company, as noted above), wrongful termination, tortious
interference with contract, retaliation, intentional infliction of
emotional distress, assault, discrimination, harassment,
defamation, damage to reputation, conspiracy, negligence, and gross
negligence, and any and all claims under any federal, state, or
local statute or ordinance, or under any federal, state or local
law, whether statutory or at common law or otherwise, including
without limitation claims under the Age Discrimination in
Employment Act, 29 U.S.C. section 621, the Americans with
Disabilities Act, the Fair Labor Standards Act, the Employee
Retirement Income Security Act, the Sarbanes-Oxley Act, the False
Claims Act, the Texas Commission on Human Rights Act, which Coiner
has had, has, or may have in the future as the result of, in
connection with, or arising from Coiner’s employment with, for, or
around, any of the entities and individuals identified herein as
the Company or Released Company Parties that could have been
asserted against the Company Released Company Parties. Coiner
understands and agrees that no claims whatsoever against the
Company Released Company Parties of the nature described above are
reserved or shall be prosecuted or pursued in the future in any
forum. This Agreement shall not waive or release any rights or
claims Employee may have under the Age Discrimination in Employment
Act, which arise after the Severance Date or eight (8) days after
Employee executes this Agreement, whichever comes later.

	 	(b)	 	Coiner agrees never to file a lawsuit or bring any proceeding
asserting any cause of action or claim that is released hereby, and not to collect
any damages, payment or remedies of any kind if any type of action or proceeding
is brought by a third party on his behalf which is covered by this Agreement.
	 
	 	(c)	 	Excluded from this release are any claims which cannot be waived by
law in a private agreement between employer and employee.
	 
	 	(d)	 	As of the Severance Date, Coiner and the Company hereby acknowledges
that he has no knowledge of any facts that would constitute the basis of a
lawsuit, cause of action, or claim, or a charge or complaint with any state or
federal agency, against the Company or the Released Company Parties with respect
to any acts or events occurring prior to the date hereof in the

59

 

	 	 	 	course of Coiner’s dealings with the Company and the Released Company Parties.

	 	(e)	 	For purposes of this Agreement, “Released Company Parties” means the
Company’s subsidiaries, related entities, affiliates, predecessors, successors and
assigns, any entity for which it has or exercises direct or indirect management or
executory authority or control, and any joint venture involving any of the above
(collectively, “Company Affiliates”), as well as the past, present and future
agents, officers, directors, employees, owners, members, partners, control persons
and insurers of the Company or Company Affiliates.
	 
	 	(f)	 	Each Company Released Party (other than the Company) is expressly a
third-party beneficiary hereof.

	6.	 	ADEA Rights. Coiner further acknowledges that:

	 	(a)	 	He has been advised in writing by virtue of this Agreement that he
has the right to seek legal counsel before signing this Agreement.
	 
	 	(b)	 	He has been given twenty-one (21) days within which to consider the
waivers included in this Agreement. If Coiner chooses to sign the Agreement at any
time prior to that date, it is agreed that Coiner signs willingly and voluntarily
and expressly waives his right to wait the entire twenty-one (21) day period as
provided in the law. Any offers deemed to be made by the Company herein will
expire if Coiner has not signed this Agreement within such period.
	 
	 	(c)	 	He has seven (7) days after signing this Agreement to revoke it. This
Agreement will not become effective or enforceable until the revocation period has
expired. Any notice of revocation of the Agreement is effective only if given to
Tim Moore, General Counsel or Harry N. Pefanis, President (at the address of the
Company set forth below), in writing by the close of business at 4:30 p.m. on the
seventh (7th ) day after the signing of this Agreement
	 
	 	(d)	 	Coiner agrees that he is receiving, pursuant to this Agreement,
consideration which is in addition to that to which he would otherwise be
entitled.
	 
	 	(e)	 	Nothing in this Agreement prevents or precludes Coiner from
challenging or seeking a determination in good faith of the validity of this
release under the ADEA, nor does it impose any condition precedent, penalties or
costs for doing so, unless specifically authorized by federal law.

	7.	 	Revocation. Should Coiner exercise the revocation right after receipt of any
consideration under this Agreement, Coiner will return the consideration within five (5) days
of the date of revocation. Should Coiner fail to return the

60

 

	 	 	consideration in these circumstances, Coiner will be liable to Employer for any
attorneys fees expended in obtaining such repayment plus interest.

	8.	 	Successors and Assigns. This Agreement shall be binding upon, and shall inure to the
benefit of the heirs, legal representatives, executors, successors and assigns of the parties
hereto.

	9.	 	Severability. Wherever there is any conflict between any provision of this Agreement
and any statute, law, regulation or jurisdiction to be indefinite, invalid or otherwise
unenforceable, the entire Agreement shall not fail on account thereof, but the balance of the
Agreement shall continue in full force and effect unless such construction would clearly be
contrary to the intention of the parties.

	10.	 	Legal, Governing Law. This Agreement supersedes any and all oral agreements and can
only be modified by the parties in a writing signed by both sides expressly stating a specific
intent to modify this Agreement. The Agreement shall be governed by and construed in
accordance with the laws of the State of Texas. The parties hereby submit to the exclusive
jurisdiction of the state courts of Texas, located in Harris County.

	11.	 	Notices. For purposes of this Agreement, notices and all other communications shall
be in writing and shall have been duly given when personally delivered or when mailed by
United States certified or registered mail, addressed as follows:

If to the Employer:

Plains All American GP LLC

333 Clay Street, Suite 1600

Houston, Texas 77002

Attention: Tim Moore

Telephone: 713-646-4484

Facsimile: 713-646-4313

If to the Employee:

George R. Coiner

2520 Robinhood, #1009

Houston, Texas 77009

	12.	 	Further Assurances.  The parties hereby agree upon reasonable request to take
whatever actions are necessary or helpful in realizing the objectives and intent of this
Agreement.

	13.	 	No Waiver. No failure by either party hereto at any time to give notice of any
breach of the other party of, or to require compliance with, any condition or

61

 

	 	 	provision of this Agreement shall be deemed a waiver of similar or dissimilar provisions
or conditions at the same or at any prior or subsequent time.

	14.	 	Remedy for Breach of Contract. The Parties agree that in the event there is any
breach or asserted breach of the terms, covenants or conditions of this Agreement, the remedy
of the Parties hereto shall be in both law and in equity, including injunctive relief for the
enforcement of or relief from any provisions of this Agreement.

	15.	 	Counterparts. This Agreement may be executed in one or more counterparts, each of
which shall be deemed to be an original, but all of which together will constitute one and the
same Agreement.

	16.	 	Withholding of Taxes. The Employer may withhold from any benefits or remuneration
payable under this Agreement all federal, state, city or other taxes as may be required
pursuant to any law or governmental regulation or ruling.

	17.	 	Section 16 representation. Coiner represents that he has engaged in no transactions
in securities of Plains All American Pipeline, L.P. in the last six months that have not been
reported under Section 16 of the Securities Exchange Act.

	18.	 	Headings. The Section headings have been inserted for purposes of convenience and
shall not be used for interpretive purposes.

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

	 	 	 	 	 
	 

	 	By:
	 	/s/ George R. Coiner
	 

	 	 	 	 
	 

	 	 	 	George R. Coiner
	 
	 	 	 	 
	 	 	PLAINS ALL AMERICAN GP LLC
	 
	 	 	 	 
	 

	 	By:
	 	/s/ Harry N. Pefanis
	 

	 	 	 	 
	 

	 	Name:
	 	Harry N. Pefanis
	 

	 	Title:
	 	President and Chief Operating Officer

62

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