Document:

Second Agreement to Credit Agreement, dated March 13, 2009

 Exhibit 10.21 
 SECOND AMENDMENT TO CREDIT AGREEMENT 
 This SECOND AMENDMENT TO CREDIT AGREEMENT
(“Agreement”) made effective as of March 13, 2009 (the “Effective Date”) is among Flotek Industries, Inc., a Delaware corporation (“Borrower”), the Lenders (as defined below), and Wells Fargo
Bank, N.A., as Administrative Agent (as defined below), Issuing Lender (as defined below), and Swing Line Lender (as defined below) for the Lenders. 
 RECITALS 
 A. The Borrower is party to that certain Credit Agreement dated as of March 31, 2008, among the
Borrower, the lenders party thereto from time to time (the “Lenders”), and Wells Fargo Bank, N.A., as administrative agent (in such capacity, the “Administrative Agent”), issuing lender (in such capacity, the
“Issuing Lender”), and swing line lender (in such capacity, the “Swing Line Lender”), as amended by that certain First Amendment and Temporary Waiver Agreement (the “Temporary Waiver Agreement”)
made effective as of February 11, 2009 (as so amended, the “Credit Agreement”). 
 B. Pursuant to the Temporary Waiver
Agreement, the Lenders temporarily waived the possible Event of Default (as defined in the Credit Agreement) under the Credit Agreement resulting from the Borrower’s failure to comply with the minimum net worth covenant set forth in
Section 6.17 of the Credit Agreement for the fiscal quarter ended December 31, 2008 (“Existing Default”). 
 C.
The parties hereto wish to, subject to the terms and conditions of this Agreement, (1) provide for a permanent waiver of the Existing Default, and (2) make certain amendments to the Credit Agreement. 
 THEREFORE, the parties hereto hereby agree as follows: 
 Section 1. Defined Terms; Other Definitional Provisions. As used in this Agreement, each of the terms defined in the opening paragraph and the Recitals above shall have the meanings assigned to such
terms therein. Each term defined in the Credit Agreement and used herein without definition shall have the meaning assigned to such term in the Credit Agreement, unless expressly provided to the contrary. The words “hereof”,
“herein”, and “hereunder” and words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement. Paragraph headings have been inserted in this
Agreement as a matter of convenience for reference only and it is agreed that such paragraph headings are not a part of this Agreement and shall not be used in the interpretation of any provision of this Agreement. 
 Section 2. Amendments to Credit Agreement. 
 (a) Section 1.1 (Certain Defined Terms). Section 1.1 of the Credit Agreement is hereby amended by deleting the defined terms “Adjusted Base Rate”, “Applicable
Margin”, “Borrowing Base”, “Commitments”, “Debt”, “Eurodollar Advance”, Eurodollar Rate”, 

 
“Eurodollar Rate Reserve Percentage”, “Eligible Assignee”, “Excess Cash Flow”, “Fee
Letter”, “Fixed Charges”, “Majority Revolving Lenders” and “Net Income” in their entirety and replacing them with the following corresponding terms: 
 “Adjusted Base Rate” means, for any day, the fluctuating rate per annum of interest equal to the greatest of
(a) the Prime Rate in effect on such day,(b) the Federal Funds Rate in effect on such day plus 1.5% and (c) a rate determined by the Administrative Agent to be the Daily One-Month LIBOR plus 1.5%. Any change in the
Adjusted Base Rate due to a change in the Prime Rate, Daily One-Month LIBOR or the Federal Funds Rate shall be effective on the effective date of such change in the Prime Rate, Daily One-Month LIBOR or the Federal Funds Rate. 
 “Applicable Margin” means, at any time with respect to each Type of Advance, the Letters of Credit and the Commitment
Fee, the percentage rate per annum which is applicable at such time with respect to such Advance, Letter of Credit or Commitment Fee as set forth in Schedule I and subject to further adjustments as set forth in Section 2.8(d). 

“Borrowing Base” means, without duplication, the sum of the following, determined as of the date of the Borrowing
Base Certificate then most recently delivered pursuant to this Agreement: 
 (a) 80% of Eligible Receivables of the
Credit Parties plus 
 (b) an amount equal to 50% of Eligible Inventory of the Credit Parties; provided that, in
no event shall the number determined under this clause (b) exceed the lesser of (i) 50% of the Borrowing Base and (ii) $5,000,000. 
 Any change in the Borrowing Base shall be effective as of the date of the Borrowing Base Certificate then most recently delivered pursuant to this Agreement; provided that, should the Borrower fail to
deliver the Administrative Agent and the Lenders the Borrowing Base Certificate as required under Section 5.2(d), the Administrative Agent may nonetheless redetermine the Borrowing Base from time-to-time thereafter in its reasonable discretion
until the Administrative Agent and the Lenders receive the required Borrowing Base Certificate, whereupon the Administrative Agent shall redetermine the Borrowing Base based on such Borrowing Base Certificate and the other terms hereof.

 “Commitments” means, as to any Lender, its Revolving Commitment and its Term Commitment, if
applicable. 
 “Debt” means, for any Person, without duplication: (a) indebtedness of such Person
for borrowed money, including the face amount of any letters of credit supporting the repayment of indebtedness for borrowed money issued for the account of such Person and obligations under letters of credit and agreements relating to the issuance
of letters of credit or acceptance financing, including Letters of Credit; (b) obligations of such Person evidenced by bonds, debentures, 

  

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notes or other similar instruments (including the portions of such obligations which would otherwise be considered and calculated as equity or liability
pursuant to the FASB Staff Position APB 14-1), (c) obligations of such Person to pay the deferred purchase price of property, services, or Acquisitions (including, without limitation, any earn-out obligations, contingent obligations, or other
similar obligations associated with such purchase, and including obligations that are non-recourse to the credit of such Person but are secured by the assets of such Person, but excluding trade accounts payable); (d) obligations of such Person
as lessee under Capital Leases and obligations of such Person in respect of synthetic leases; (e) obligations of such Person under any Hedging Arrangement (except that such obligations shall not constitute Debt for purposes of the calculations
for compliance under Sections 6.18 through 6.20); (f) obligations of such Person owing in respect of redeemable preferred stock or other preferred Equity Interest of such Person; (g) obligations of such Person under direct or indirect
guaranties in respect of, and obligations (contingent or otherwise) of such Person to purchase or otherwise acquire, or otherwise to assure a creditor against loss in respect of, indebtedness or obligations of others of the kinds referred to in
clauses (a) through (f) above; (h) indebtedness or obligations of others of the kinds referred to in clauses (a) through (g) secured by any Lien on or in respect of any Property of such Person, and (i) all liabilities
of such Person in respect of unfunded vested benefits under any Plan. 
 “Eligible Assignee” means
(a) a Lender, (b) any Affiliate of a Lender approved by the Administrative Agent, (c) any Approved Fund approved by the Administrative Agent, or (d) any other Person (other than a natural Person) approved by the Administrative
Agent and, unless an Event of Default has occurred and is continuing at the time any assignment is effected in accordance with Section 9.7, the Borrower, such approval not to be unreasonably withheld or delayed by the Borrower and such approval
to be deemed given by the Borrower if no objection is received by the Administrative Agent from the Borrower within five Business Days after notice of such proposed assignment has been provided to the Borrower; provided, however, that
(i) neither the Borrower nor any Affiliate of the Borrower shall qualify as an Eligible Assignee, and (ii) approval by the Administrative Agent of an Eligible Assignee shall not be unreasonably withheld, provided however, any disapproval
by the Administrative Agent of a Person that fails to meet any of the following criteria shall not be considered unreasonable: (A) any commercial bank, savings and loan association or savings bank organized under the laws of the United States
of America, or any state thereof, or any other Person, that has a combined capital and surplus of less than $100,000,000, (B) any commercial bank or Person organized under the laws of any other country, or a political subdivision of any such
country, which is not a member of the Organization for Economic Cooperation and Development, or (C) any commercial bank or Person organized under the laws of any other country, or a political subdivision of any such country, which is a member
of the Organization for Economic Cooperation and Development and has a combined capital and surplus of less than $100,000,000. 
  

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 “Eurodollar Advance” means an Advance that bears interest based upon
the Eurodollar Rate (other than Advances that bear interest based upon the Daily One-Month LIBOR). 
 “Eurodollar Rate” means a rate per annum determined by the Administrative Agent pursuant to the following formula: 
  

			
	 Eurodollar Rate =
	  	 Eurodollar Base Rate

		  	1.00 – Eurodollar Rate Reserve Percentage

 “Eurodollar Rate Reserve Percentage” means, as of any day, the
reserve percentage (expressed as a decimal, carried out to five decimal places) in effect on such day, whether or not applicable to any Lender, under regulations issued from time to time by the Federal Reserve Board for determining the maximum
reserve requirement (including any emergency, supplemental or other marginal reserve requirement) with respect to liabilities or assets consisting of or including Eurocurrency Liabilities. The Eurodollar Rate for each outstanding Advance shall be
adjusted automatically as of the effective date of any change in the Eurodollar Rate Reserve Percentage. 
 “Excess Cash Flow” means, at any time, an amount equal to (a) the Borrower’s consolidated EBITDA for the twelve month period then ended minus (b) without duplication, the sum of (i) taxes
actually paid by the Borrower and its Subsidiaries during such twelve month period, (ii) Capital Expenditures of the Borrower and its Subsidiaries actually paid during such twelve month period to the extent such Capital Expenditures were
permitted under Section 6.21, (iii) the consolidated Interest Expense of the Borrower actually paid during such twelve month period, and (iv) principal installment payments and optional prepayments of Term Advances made during such
twelve month period; provided that, for purposes of this definition, (A) the Borrower’s consolidated EBITDA shall not include the pro forma EBITDA of any Person prior to the acquisition of such Person by the Borrower, and
(B) for purposes of calculating Excess Cash Flow for the twelve month period ended December 31, 2008 and the twelve month period ending December 31, 2009, the taxes paid by the Borrower on January 3, 2009 in the amount of
$2,821,000 shall be deemed to have been actually paid by the Borrower in the year 2008 and not in the year 2009. 
 “Fee Letter” means, collectively or individually, as the context may require (a) that certain fee letter dated as of February 4, 2008 between the Borrower and Wells Fargo, (b) that certain fee letter dated
as of February 12, 2009 between the Borrower and Wells Fargo, and (c) that certain fee letter dated as of March 6, 2009 between the Borrower and Wells Fargo. 
 “Fixed Charges” means, with respect to any period and with respect to any Person and without duplication, the sum of
(a) Interest Expense for such period, (b) the portion of all Debt scheduled to have been paid during such period, including the current portion of Capital Leases but excluding, for 

  

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purposes of clarification, the mandatory payment of principal due hereunder pursuant to Section 2.5(c)(ii) below, (c) taxes paid in cash during
such period and (d) the Borrower’s actual consolidated maintenance Capital Expenditures for such period. 
 “Majority Revolving Lenders” means (a) at any time when there are more than two Revolving Lenders, Revolving Lenders (other than Lenders that are at such time Defaulting Lenders) holding more than 50% of the sum of
(i) the aggregate unfunded Revolving Commitments (excluding the Revolving Commitments of Lenders that are at such time Defaulting Lenders) at such time plus (ii) the aggregate unpaid principal amount of the Revolving Notes (with the
aggregate amount of each Lender’s risk participation and funded participation in the Letter of Credit Exposure and Swing Line Advances being deemed as unpaid principal under such Lender’s Revolving Note but excluding the pro rata shares
thereof for any Lender that is at such time a Defaulting Lender), (b) at any time when there are two Revolving Lenders, all of the Revolving Lenders (other than Lenders that are at such time Defaulting Lenders), and (c) at any time when
there is only one Revolving Lender or there is only one Revolving Lender that is not then a Defaulting Lender, such Revolving Lender; provided that, at any time when all Revolving Lenders are Defaulting Lenders, then solely for purposes of
clause (a), (b) and (c) above, such Revolving Lenders shall not be considered Defaulting Lenders. 
 “Net Income” means, for any period and with respect to any Person, the net income for such period for such Person after taxes as determined in accordance with GAAP, excluding, however, (a) extraordinary items,
including (i) any net non-cash gain or loss during such period arising from the sale, exchange, retirement or other disposition of capital assets (such terms to include all fixed assets and all securities) other than in the ordinary course of
business, (ii) any write-up or write-down of assets, and (iii) any net gain during such period arising from the retirement or repurchase of Debt or from the conversion of Debt to Equity Interest and (b) the cumulative effect of any change
in GAAP. 
 (b) Section 1.1 (Certain Defined Terms). Section 1.1 of the Credit Agreement is hereby further amended as
follows: 
 (i) the defined term “Administrative Agent” is amended by replacing the reference to
“Article 9” found therein with a reference to “Article 8”. 
 (ii) the defined term
“Eligible Receivable” is amended by adding the following new sentence to the end thereof: 
 In determining the amount of
an Eligible Receivable, the face amount of such Receivable shall be reduced by, without duplication, to the extent reflected in such face amount, (i) the amount of all accrued and actual discounts, claims, credits or credits pending,
promotional program allowances, price adjustments, finance charges or other allowances, payables or obligations to the account debtor (including any amount that any Credit Party may be obligated to rebate to an account debtor pursuant to the terms
of any agreement or understanding (written or oral)), (ii) all taxes, duties or other governmental charges included in such Receivable, and (iii) the aggregate amount of all cash received in respect of such Receivable but not yet applied
by any Credit Party to reduce the amount of such Receivable. 
  

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 (iii) the defined term “Interest Period” is amended by replacing the
phrase “... one, two, three, or six months...” found therein with the phrase “... three or six months...” 
 (iv) the defined term “Majority Lenders” is amended by (A) deleting “and” after the semicolon in clause (iii), (B) adding a semicolon followed by “and” to the end of
clause (iv), and (C) adding the following new clause (v) to the end thereof: 
 (v) if there are two or more Lenders, the
Revolving Commitment of, and the portion of the Revolving Advances held or deemed held by, any Lenders that is at such time a Defaulting Lender, shall be excluded for purposes of making a determination of “Majority Lenders”.

 (v) the defined term “Swing Line Commitment” is deleted in its entirety. 
 (c) Section 1.1 (Certain Defined Terms). Section 1.1 of the Credit Agreement is hereby further amended by adding the following new terms
in alphabetical order: 
 “Approved Fund” means any Fund that is administered or managed by (a) a
Lender, (b) an Affiliate of a Lender or (c) an entity or an Affiliate of an entity that administers or manages a Lender. 
 “Fund” means any Person (other than a natural person) that is (or will be) engaged in making, purchasing, holding or otherwise investing in commercial loans and similar extensions of credit in the
ordinary course of its activities. 
 “Daily One-Month LIBOR” means, for any day, the rate of interest
equal to the Eurodollar Rate then in effect for delivery for a one (1) month period. 
 “Defaulting
Lender” means any Lender that (a) has failed to fund any portion of the Advances or participations in Letter of Credit Obligations or Swing Line Advances required to be funded by it hereunder within one Business Day of the date
required to be funded by it hereunder unless, with the consent of the Administrative Agent and the Borrower (which consent may be withheld at the sole discretion of the Administrative Agent and the Borrower), such failure has been cured,
(b) has indicated to the Administrative Agent that such Lender will not fund any portion of the Advances or participations in Letter of Credit Obligations or Swing Line Advances required to be funded by it hereunder, unless, with the consent of
the Administrative Agent and the Borrower (which consent may be withheld at the sole discretion of the Administrative Agent and the Borrower), such Lender actually funds such Advances or participations, (c) has otherwise failed to pay over to
the Administrative Agent or any other Lender any other amount required to be paid by it hereunder within one Business Day of the date when due, unless the subject of a good faith dispute, or unless, with the consent of the Administrative Agent
(which consent may be withheld at the sole discretion of the Administrative Agent), such failure has been cured, or (d) has, or has an Affiliate that has, been deemed insolvent or become the subject of a bankruptcy or insolvency proceeding.

  

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 “Eurodollar Base Rate” means (a) in determining Eurodollar Rate
for purposes of the “Daily One-Month LIBOR”, the rate per annum for Dollar deposits quoted by the Administrative Agent for the purpose of calculating effective rates of interest for loans making reference to the “Daily One-Month
LIBOR”, as the inter-bank offered rate in effect from time to time for delivery of funds for one (1) month in amounts approximately equal to the principal amount of the applicable Advances; provided that, the Administrative Agent may base
its quotation of the inter-bank offered rate upon such offers or other market indicators of the inter-bank market as the Administrative Agent in its discretion deems appropriate including, but not limited to, the rate determined under the following
clause (b), and (b) in determining Eurodollar Rate for all other purposes, the rate per annum (rounded upward to the nearest whole multiple of 1/8th of 1%) equal to the interest rate per annum set forth on the Reuters Reference LIBOR1 page as
the London Interbank Offered Rate, for deposits in Dollars at 11:00 a.m. (London, England time) two Business Days before the first day of the applicable Interest Period and for a period equal to such Interest Period; provided that,
if such quotation is not available for any reason, then for purposes of this clause (b), Eurodollar Base Rate shall then be the rate determined by the Administrative Agent to be the rate at which deposits in Dollars for delivery on the first day of
such Interest Period in immediately available funds in the approximate amount of the Advances being made, continued or converted by the Lenders and with a term equivalent to such Interest Period would be offered by the Administrative Agent’s
London Branch (or other branch or Affiliate of the Administrative Agent) to major banks in the London interbank market in London, England by the Administrative Agent at approximately 11:00 a.m. (London time) on the date that is two Business
Days prior to the beginning of such Interest Period. 
 “Impacted Lender” means (a) any Lender
that is at such time a Defaulting Lender or (b) any Lender (other than the Lender serving as the Issuing Lender) with a credit rating of less than A3 (as rated by Moody’s) or a credit rating of less than A- (as rated by S&P).

 “Swing Line Limit” means, for the Swing Line Lender, $10,000,000; provided that, on and
after the Revolving Maturity Date, the Swing Line Limit shall be zero. 
 (d) Section 1.3 (Accounting Terms; Changes in
GAAP). Section 1.3 of the Credit Agreement is amended as follows: 
 (i) Clause (a) of Section 1.3 of the
Credit Agreement is hereby amended by deleting the following phrase from the end thereof: 
 , and the Borrower shall not
permit any change in the method of accounting employed in the preparation of the financial statements referred to in Section 4.4 unless required to conform to GAAP or approved in writing by the Administrative Agent 
  

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 (ii) Section 1.3 of the Credit Agreement is hereby further amended by adding the
following new clause (c) to the end thereof: 
 (c) If at any time any change in GAAP would affect the computation of
any financial ratio or requirement set forth in any Credit Document, and either the Borrower or the Majority Lenders shall so request, the Administrative Agent, the Lenders and the Borrower shall negotiate in good faith to amend such ratio or
requirement to preserve the original intent thereof in light of such change in GAAP (subject to the approval of the Majority Lenders); provided that, until so amended, (i) such ratio or requirement shall continue to be computed in
accordance with GAAP prior to such change therein and (ii) the Borrower shall provide to the Administrative Agent and the Lenders Financial Statements and other documents required under this Agreement or as reasonably requested hereunder
setting forth a reconciliation between calculations of such ratio or requirement made before and after giving effect to such change in GAAP. For the avoidance of doubt, for purposes of determining compliance with the financial covenants contained in
this Agreement, any election by the Borrower to measure an item of Debt using fair value (as permitted by SFAS No. 159 or any similar accounting standard) shall be disregarded and such determination shall be made as if such election
had not been made. 
 (e) Section 2.1 (Revolving and Term Commitments). Section 2.1 of the Credit Agreement is hereby
amended by deleting clause (c) in its entirety and replacing it with the following: 
 (c) Reduction of the Commitments. 

 (i) Revolving Commitments. The Borrower shall have the right, upon at least three Business Days’ irrevocable
notice to the Administrative Agent, to terminate in whole or reduce ratably in part the unused portion of the Revolving Commitments; provided that each partial reduction shall be in a minimum amount of $1,000,000 and in integral multiples of
$1,000,000 in excess thereof. Other than as provided in Section 2.1(c)(iii) below, any reduction or termination of the Revolving Commitments pursuant to this Section 2.1(c)(i) shall be applied ratably to each Lender’s Revolving
Commitment and shall be permanent, with no obligation of the Lenders to reinstate such Revolving Commitments, and the Commitment Fees shall thereafter be computed on the basis of the Revolving Commitments, as so reduced. 
 (ii) Term Commitments. On the making of the Term Advances on the Closing Date, each Lender’s Term Commitment shall be
reduced to zero. Any reduction or termination of the Term Commitments pursuant to this Section 2.1(c)(ii) shall be permanent, with no obligation of the Lenders to reinstate such Commitments. 
 (iii) Defaulting Lender. At any time when a Lender is then a Defaulting Lender and so long as no Default exists at such time,
the Borrower, at 

  

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the Borrower’s election may elect to terminate such Defaulting Lender’s Revolving Commitment hereunder; provided that (A) such
termination must be of the Defaulting Lender’s entire Revolving Commitment, (B) the Borrower shall pay all amounts owed by the Borrower to such Defaulting Lender in such Lender’s capacity as a Revolving Lender under this Agreement and
under the other Credit Documents (including principal of and interest on the Revolving Advances owed to such Defaulting Lender, accrued commitment fees (subject to Section 2.7(a)), and letter of credit fees but specifically excluding any
amounts owing under Section 2.10 as result of such payment of Revolving Advances) and shall deposit with the Administrative Agent into the Cash Collateral Account cash collateral in the amount equal to such Defaulting Lender’s ratable
share of the Letter of Credit Exposure, (C) a Defaulting Lender’s Revolving Commitment may be terminated by the Borrower under this Section 2.1(c)(iii) if and only if at such time, the Borrower has elected, or is then electing,
to terminate the Revolving Commitments of all then existing Defaulting Lenders. Upon written notice to the Defaulting Lender and Administrative Agent of the Borrower’s election to terminate a Defaulting Lender’s Revolving Commitment
pursuant to this clause (iii) and the payment and deposit of amounts required to be made by the Borrower under clause (B) above, (A) such Defaulting Lender shall cease to be a “Revolving Lender” hereunder for all purposes
except that such Revolving Lender’s rights as a Revolving Lender under Sections 2.11, 2.13, 8.5 and 9.2 and such Revolving Lender’s obligations under Section 8.5 and all other provisions in this Agreement which expressly survive, in
each case, shall continue with respect to events and occurrences occurring before or concurrently with its ceasing to be a “Revolving Lender” hereunder, (B) such Defaulting Lender’s Revolving Commitment shall be deemed
terminated, and (C) such Defaulting Lender shall be relieved of its obligations hereunder as a “Revolving Lender” other than as described in clause (A) above. Notwithstanding anything herein to the contrary, the termination of
commitments, rights and obligations provided for in this clause (iii) shall not affect rights and obligations that a Lender may have in its capacity as a Term Lender. 
 (f) Section 2.2 (Letters of Credit). Section 2.2(a) of the Credit Agreement is hereby amended as follows: 
 (i) Section 2.2(a) of the Credit Agreement is hereby amended by (A) replacing clause (vi) in its entirety with the
corresponding clause (vi) set forth below and (B) adding the following new clauses (vii), (viii) and (ix) to the end thereof: 
 (vi) unless such Letter of Credit is governed by (A) the Uniform Customs and Practice for Documentary Credits (2007 Revision), International Chamber of Commerce Publication No. 600, or (B) the
International Standby Practices (ISP98), International Chamber of Commerce Publication No. 590, in either case, including any subsequent revisions thereof approved by a Congress of the International Chamber of Commerce and adhered to by the
Issuing Lender; 
  

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 (vii) if any order, judgment or decree of any Governmental Authority or arbitrator
shall by its terms purport to enjoin or restrain the Issuing Lender from issuing, increasing or extending such Letter of Credit, or any Legal Requirement applicable to the Issuing Lender or any request or directive (whether or not having the force
of law) from any Governmental Authority with jurisdiction over the Issuing Lender shall prohibit, or request that the Issuing Lender refrain from, the issuance, increase or extension of letters of credit generally or such Letter of Credit in
particular or shall impose upon the Issuing Lender with respect to such Letter of Credit any restriction, reserve or capital requirement (for which the Issuing Lender is not otherwise compensated hereunder) not in effect on the Closing Date, or
shall impose upon the Issuing Lender any unreimbursed loss, cost or expense which was not applicable on the Closing Date and which the Issuing Lender in good faith deems material to it; 
 (viii) if the issuance, increase or extension of such Letter of Credit would violate one or more policies of the Issuing Lender
applicable to letters of credit generally; or 
 (ix) any Lender is at such time a Defaulting Lender hereunder, unless
the Issuing Lender has entered into satisfactory arrangements with the Borrower or such Lender to eliminate the Issuing Lender’s risk with respect to such Lender. 
 (ii) Section 2.2(h) of the Credit Agreement is hereby amended by deleted in its entirety and replaced with the following: 

(h) Cash Collateral Account. 
 (i) If the Borrower is required to deposit funds in the Cash Collateral Account pursuant to Sections 2.2(f), 2.2(j), 2.5(c),
7.2(b) or 7.3(b), then the Borrower and the Administrative Agent shall establish the Cash Collateral Account and the Borrower shall execute any documents and agreements, including the Administrative Agent’s standard form assignment of deposit
accounts, that the Administrative Agent requests in connection therewith to establish the Cash Collateral Account and grant the Administrative Agent an Acceptable Security Interest in such account and the funds therein. The Borrower hereby pledges
to the Administrative Agent and grants the Administrative Agent a security interest in the Cash Collateral Account, whenever established, all funds held in the Cash Collateral Account from time to time, and all proceeds thereof as security for the
payment of the Secured Obligations. 
 (ii) Funds held in the Cash Collateral Account shall be held as cash
collateral for obligations with respect to Letters of Credit and promptly applied by the Administrative Agent at the request of the Issuing 

  

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Lender to any reimbursement or other obligations under Letters of Credit that exist or occur. To the extent that any surplus funds are held in the Cash
Collateral Account above the Letter of Credit Exposure during the existence of an Event of Default the Administrative Agent may (A) hold such surplus funds in the Cash Collateral Account as cash collateral for the Secured Obligations or
(B) apply such surplus funds to any Secured Obligations in any manner directed by the Majority Lenders. If no Default exists, the Administrative Agent shall release any surplus funds held in the Cash Collateral Account above the Letter of
Credit Exposure to the Borrower at the Borrower’s written request. 
 (iii) Funds held in the Cash Collateral
Account may be invested in Liquid Investments maintained with, and under the sole dominion and control of, the Administrative Agent or in another investment if mutually agreed upon by the Borrower and the Administrative Agent, but the Administrative
Agent shall have no obligation to make any investment of the funds therein. The Administrative Agent shall exercise reasonable care in the custody and preservation of any funds held in the Cash Collateral Account and shall be deemed to have
exercised such care if such funds are accorded treatment substantially equivalent to that which the Administrative Agent accords its own property, it being understood that the Administrative Agent shall not have any responsibility for taking any
necessary steps to preserve rights against any parties with respect to any such funds. 
 (iv) Section 2.2 of the
Credit Agreement is hereby further amended by adding the following new clause (j) to the end thereof: 
 (j)
Defaulting Lender. If, at any time, a Defaulting Lender exists hereunder, then, at the request of the Issuing Lender, the Borrower shall deposit funds with the Administrative Agent into the Cash Collateral Account in an amount equal to such
Defaulting Lender’s pro rata share of the Letter of Credit Exposure. 
 (g) Section 2.3 (Swing Line Advances).
Section 2.3 of the Credit Agreement is hereby amended as follows: 
 (i) Clause (a) of Section 2.3 of the
Credit Agreement is hereby replaced in its entirety with the following: 
 (a) Facility. On the terms and conditions set forth in
this Agreement, and if an AutoBorrow Agreement is in effect, subject to the terms and conditions of such AutoBorrow Agreement, the Swing Line Lender may, in its sole discretion, from time-to-time on any Business Day during the period from the date
of this Agreement until the last Business Day occurring before the Revolving Maturity Date, make Swing Line Advances under the Swing Line Note to the Borrower which shall be due and 

  

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payable on the Swing Line Payment Date (except that no Swing Line Advance may mature after the Revolving Maturity Date), bearing interest at the Adjusted
Base Rate plus the Applicable Margin for Base Rate Advances, and in an aggregate outstanding principal amount not to exceed the Swing Line Limit at any time; provided that (i) after giving effect to such Swing Line Advance, the sum of the
aggregate outstanding amount of all Revolving Advances plus the Letter of Credit Exposure plus the aggregate outstanding amount of all Swing Line Advances, shall not exceed the aggregate Revolving Commitments in effect at such time; (ii) no
Swing Line Advance shall be made by the Swing Line Lender if the conditions set forth in Section 3.2 have not been met as of the date of such Swing Line Advance, it being agreed by the Borrower that the giving of the applicable Notice of
Borrowing and the acceptance by the Borrower of the proceeds of such Swing Line Advance shall constitute a representation and warranty by the Borrower that on the date of such Swing Line Advance such conditions have been met; (iii) each Swing
Line Advance shall be in an aggregate amount not less than $250,000.00 and in integral multiples of $50,000.00 in excess thereof; and (iv) if an AutoBorrow Agreement is in effect, such additional terms and conditions of such AutoBorrow
Agreement shall have been satisfied, and in the event that any of the terms of this Section 2.3(a) conflict with such AutoBorrow Agreement, the terms of the AutoBorrow Agreement shall govern and control. The indebtedness of the Borrower to the
Swing Line Lender resulting from Swing Line Advances shall be evidenced by the Swing Line Note. No Lender shall have any rights or obligations under any AutoBorrow Agreement, but each Lender shall have the obligation to purchase and fund risk
participations in the Swing Line Advances and to refinance Swing Line Advances as provided below. 
 (ii) The reference to
“Swine Line Commitment” found in clause (b) of Section 2.3 of the Credit Agreement is hereby replaced with a reference to “Swing Line Limit”. 
 (iii) Clause (g) of Section 2.3 of the Credit Agreement is hereby replaced in its entirety with the following: 
 (g) Discretionary Nature of the Swing Line Facility. Notwithstanding any terms to the contrary contained herein or in any AutoBorrow Agreement,
the Swing Line facility provided herein or in any AutoBorrow Agreement (i) is an uncommitted facility and the Swing Line Lender may, but shall not be obligated to, make Swing Line Advances, and (ii) may be terminated at any time by the
Swing Line Lender upon written notice to the Borrower. 
 (h) Section 2.5 (Prepayments). Section 2.5 of the Credit
Agreement is hereby amended by adding the following new sentence to the end of clause (b) thereof: 
 If an AutoBorrow Agreement is in
effect, each prepayment of Swing Line Advances shall be made as provided in such AutoBorrow Agreement. 
  

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 (i) Section 2.7 (Fees). Section 2.7 of the Credit Agreement is hereby amended by adding
the following proviso to the end of the first sentence thereof: 
 provided that, no Commitment Fee shall accrue on the Revolving
Commitment of a Defaulting Lender during the period such Lender remains a Defaulting Lender. 
 (j) Section 2.8 (Interest).
Section 2.8(c) of the Credit Agreement is hereby replaced in its entirety with the following: 
 (c) Intentionally Deleted.

 (k) Section 2.12 (Payments and Computations). Section 2.12 of the Credit Agreement is hereby replaced in its entirety
with the following: 
 Section 2.12 Payments and Computations. 
 (a) Payments. All payments of principal, interest, and other amounts to be made by the Borrower under this Agreement and other
Credit Documents shall be made to the Administrative Agent in Dollars and in immediately available funds, without setoff, deduction, or counterclaim; provided that, the Borrower may setoff amounts owing to any Lender that is at such time a
Defaulting Lender against Advances that such Defaulting Lender failed to fund to the Borrower under this Agreement (the “Unfunded Advances”) so long as (i) the Borrower shall have delivered prior written notice of such setoff
to the Administrative Agent and such Defaulting Lender, (ii) the Advances made by the non-defaulting Lenders as part of the original Borrowing to which the Unfunded Advances applied shall still be outstanding, (iii) if such Defaulting
Lender failed to fund Advances under more than one Borrowing, such setoff shall be applied in a manner satisfactory to the Administrative Agent, and (iv) upon the application of such setoff, the Unfunded Advances shall be deemed to have been
made by such Defaulting Lender on the effective date of such setoff. 
 (b) Payment Procedures. The Borrower
shall make each payment under this Agreement and under the Notes not later than 11:00 a.m. (Houston, Texas time) on the day when due in Dollars to the Administrative Agent at the location referred to in the Notes (or such other location as the
Administrative Agent shall designate in writing to the Borrower) in same day funds. The Administrative Agent will promptly thereafter, and in any event prior to the close of business on the day any timely payment is made, cause to be distributed
like funds relating to the payment of principal, interest or fees ratably (other than amounts payable solely to the Administrative Agent or a specific Lender pursuant to Sections 2.9, 2.10, 2.11, 2.13, 2.14, and 9.2 but after taking into account
payments effected pursuant to Section 9.1) in accordance with each Lender’s applicable pro rata share to the Lenders for the account of their respective Applicable Lending Offices, and like funds relating to the payment of any other

  

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amount payable to any Lender to such Lender for the account of its Applicable Lending Office, in each case to be applied in accordance with the terms of
this Agreement. Upon receipt of other amounts due solely to the Administrative Agent, the Issuing Lender, the Swing Line Lender, or a specific Lender, the Administrative Agent shall distribute such amounts to the appropriate party to be applied in
accordance with the terms of this Agreement. 
 (c) Non-Business Day Payments. Whenever any payment shall be
stated to be due on a day other than a Business Day, such payment shall be made on the next succeeding Business Day, and such extension of time shall in such case be included in the computation of payment of interest or fees, as the case may be;
provided that if such extension would cause payment of interest on or principal of Eurodollar Advances to be made in the next following calendar month, such payment shall be made on the next preceding Business Day. 
 (d) Computations. All computations of interest for Base Rate Advances shall be made by the Administrative Agent on the basis of
a year of 365/366 days and all computations of all other interest and fees shall be made by the Administrative agent on the basis of a year of 360 days, in each case for the actual number of days (including the first day, but excluding the last day)
occurring in the period for which such interest or fees are payable. Each determination by the Administrative Agent of an amount of interest or fees shall be conclusive and binding for all purposes, absent manifest error. 
 (e) Sharing of Payments, Etc. If any Lender shall obtain any payment (whether voluntary, involuntary, through the exercise of
any right of setoff, or otherwise) on account of the Advances made by it in excess of its ratable share of payments on account of the Advances or Letter of Credit Obligations obtained by the Lenders (other than as a result of a termination of a
Defaulting Lender’s Revolving Commitment under Section 2.1(c)(iii), the setoff right of the Borrower under clause (a) above, or the non-pro rata application of payments provided in the last sentence of this clause (e)), such Lender
shall notify the other Lenders and forthwith purchase from the other Lenders such participations in the Advances made by it or the Letter of Credit Obligations held by it as shall be necessary to cause such purchasing Lender to share the excess
payment ratably with the other Lenders; provided that if all or any portion of such excess payment is thereafter recovered from such purchasing Lender, such purchase from the other Lenders shall be rescinded and each such Lender shall repay
to the purchasing Lender the purchase price to the extent of such Lender’s ratable share, but without interest. The Borrower agrees that any Lender so purchasing a participation from another Lender pursuant to this Section 2.12(e) may, to
the fullest extent permitted by law, exercise all its rights of payment (including the right of setoff) with respect to such participation as fully as if such Lender were the direct creditor of the Borrower in the amount of such participation. If a
Lender fails to fund a Revolving Advance with respect to a Borrowing as and when required hereunder and the Borrower subsequently makes a repayment of any Revolving Advances, then, after taking into account any setoffs made 

  

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pursuant to Section 2.12(a) above, such payment shall be applied among the non-defaulting Lenders ratably in accordance with their respective
Revolving Commitment percentages until each Revolving Lender (including any Lender that is at such time a Defaulting Lender) has its percentage of all of the outstanding Revolving Advances and the balance of such repayment shall be applied among the
Lenders in accordance with their Revolving Pro Rata Share. 
 (l) Section 2.14 (Replacement of Lenders). Section 2.14 of
the Credit Agreement is hereby replaced in its entirety with the following: 
 Section 2.14 Replacement of
Lenders. If (a) the Borrower is required pursuant to Sections 2.8(c), 2.11 or 2.13 to make any additional payment to any Lender or the Borrower is required to pay to any Lender interest on Eurodollar Advances at a higher rate as a
result of an increase in the Eurodollar Rate Reserve Percentage, (b) any Lender’s obligation to make or continue, or to convert Base Rate Advances into, Eurodollar Advances shall be suspended pursuant to 2.4(c)(iii) or 2.9 or (c) any
Revolving Lender is an Impacted Lender (any such Lender described in any of the preceding clauses (a) – (c), being an “Affected Lender”), then (i) in the case of an Impacted Lender, the Administrative Agent may, upon
notice to the Affected Lender and the Borrower, require such Affected Lender to (and such Affected Lender hereby agrees to) assign and delegate, without recourse (in accordance with and subject to the restrictions contained in, and consents required
by, Section 9.7), all of its interests, rights and obligations under this Agreement and the related Credit Documents as a Revolving Lender to an Eligible Assignee that shall assume such obligations (which assignee may be another Lender, if a
Lender accepts such assignment) and (ii) in the case of any Affected Lender, including an Impacted Lender, the Borrower may, upon notice to the Affected Lender and the Administrative Agent and at the Borrower’s sole cost and expense,
require such Affected Lender to (and such Affected Lender hereby agrees to) assign and delegate, without recourse (in accordance with and subject to the restrictions contained in, and consents required by, Section 9.7), all of its interests,
rights and obligations under this Agreement and the related Credit Documents to an Eligible Assignee that shall assume such obligations (which assignee may be another Lender, if a Lender accepts such assignment), provided that, in any event 

 (A) as to assignments requested by the Borrower, the Borrower shall have paid to the Administrative Agent the assignment
fee specified in Section 9.7; 
 (B) if such Affected Lender is being replaced only in its capacity as a Revolving
Lender, then such Affected Lender shall have received payment of an amount equal to the outstanding principal of its Revolving Advances, accrued interest thereon, accrued fees and all other amounts payable to it hereunder and under the other Credit
Documents in its capacity as a Revolving Lender (excluding any amounts under Section 2.10 if such Affected Lender is a Defaulting Lender) from the assignee (to the extent of such outstanding principal and accrued interest and fees) or the
Borrower (in the case of all other amounts); 
  

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 (C) if such Affected Lender is being replaced only in its capacity as a Term Lender,
then such Affected Lender shall have received payment of an amount equal to the outstanding principal of its Term Advances, accrued interest thereon, accrued fees and all other amounts payable to it hereunder and under the other Credit Documents in
its capacity as a Term Lender (excluding any amounts under Section 2.10 if such Affected Lender is a Defaulting Lender) from the assignee (to the extent of such outstanding principal and accrued interest and fees) or the Borrower (in the case
of all other amounts); 
 (D) if such Affected Lender is being replaced in its capacity both a Term Lender and a
Revolving Lender, then such Affected Lender shall have received payment of an amount equal to the outstanding principal of all its Advances, accrued interest thereon, accrued fees and all other amounts payable to it hereunder and under the other
Credit Documents in its capacity as a Term Lender and as a Revolving Lender (excluding any amounts under Section 2.10 if such Affected Lender is a Defaulting Lender) from the assignee (to the extent of such outstanding principal and accrued
interest and fees) or the Borrower (in the case of all other amounts); 
 (E) in the case of any such assignment
resulting from a claim for compensation under Section 2.13, such assignment will result in a reduction in such compensation or payments thereafter; 
 (F) such assignment does not conflict with applicable Legal Requirements; and 
 (G) if such Affected Lender is being replaced solely as a result of it being an Impacted Lender, then such Lender may only be replaced
in its capacity as a Revolving Lender and not in its capacity as a Term Lender, if applicable. 
 A Lender shall not be
required to make any such assignment or delegation if, prior thereto, as a result of a waiver by such Lender or otherwise, the circumstances entitling the Borrower or the Administrative Agent to require such assignment and delegation cease to apply.
Solely for purposes of effecting any assignment involving a Defaulting Lender under this Section 2.14 and to the extent permitted under applicable Legal Requirements and permitted under the governing documents of such Lender, each
Lender hereby designates and appoints the Administrative Agent as true and lawful agent and attorney-in-fact, with full power and authority, for and on behalf of and in the name of such Lender to execute, acknowledge and deliver the Assignment and
Acceptance required hereunder if such Lender is a Defaulting Lender and such Lender shall be bound thereby as fully and effectively as if such Lender had personally executed, acknowledged and delivered the same. Notwithstanding the 

  

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foregoing, if a Lender is prohibited under any applicable Legal Requirement or under any governing documents from granting the power of attorney set forth
in the preceding sentence, then such Lender hereby acknowledges and agrees that money damages would not be a sufficient remedy for its breach of the terms of this Section 2.14 and the other parties hereto will be entitled to specific
performance and injunctive relief as remedies for such breach. In lieu of the Borrower or the Administrative Agent replacing a Defaulting Lender as provided in this Section 2.14, the Borrower may terminate such Defaulting Lender’s
Revolving Commitment as provided in Section 2.1(c)(iii). 
 (m) Section 3.2 (Conditions Precedent to Each Borrowing and to
Each Issuance, Extension or Renewal of a Letter of Credit). Section 3.2 of the Credit Agreement is hereby replaced in its entirety with the following: 
 Section 3.2 Conditions Precedent to Each Borrowing and to Each Issuance, Increase, Extension or Renewal of a Letter of
Credit. The obligation of each Lender to make an Advance on the occasion of each Borrowing (including the initial Borrowing) and the obligation of the Issuing Lender to issue, increase, renew or extend a Letter of Credit (including the deemed
issuance of Letters of Credit) shall be subject to the further conditions precedent that on the date of such Borrowing or such issuance, increase, renewal or extension: 
 (a) Representations and Warranties. As of the date of the making of any Advance or issuance, increase, renewal or extension of
any Letter of Credit, the representations and warranties made by any Credit Party or any officer of any Credit Party contained in the Credit Documents shall be true and correct in all material respects on such date, except that any representation
and warranty which by its terms is made as of a specified date shall be required to be true and correct only as of such specified date and each request for the making of any Advance or issuance, increase, renewal or extension of any Letter of Credit
and the making of such Advance or the issuance, increase, renewal or extension of such Letter of Credit shall be deemed to be a reaffirmation of such representations and warranties. 
 (b) Event of Default. As of the date of the making of any Advance or issuance, increase, renewal or extension of any Letter of
Credit, no Default or Event of Default shall exist, and the making of such Advance or issuance, increase, renewal or extension of such Letter of Credit would not cause a Default or Event of Default. 
 (n) Section 5.11 (Reserved). Section 5.11 of the Credit Agreement is hereby replaced in its entirety with the following: 
 Section 5.11 Accounting Changes. The Borrower shall not make a change in the method of accounting from those employed in
the preparation of the financial statements referred to in Section 4.4 or change the fiscal year end of the Borrower unless required to conform to GAAP or approved in writing by the Administrative Agent. 
  

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 (o) Article 5 (Affirmative Covenants). Article 5 of the Credit Agreement is hereby amended by
adding the following new Section 5.14 to the end thereof: 
 Section 5.14 Second Lien in Real Estate
Collateral. Notwithstanding the generality of Section 5.7 above, on or prior to May 15, 2009, the Borrower shall (a) deliver to the Administrative Agent a fully executed and notarized Mortgage encumbering and granting a Lien in
the Bilateral Collateral, and (b) take all such other actions as may be necessary to grant to the Administrative Agent a second priority Lien in the Bilateral Collateral subject only to the Permitted Liens, including such documents which may be
required by Wells Fargo under the Bilateral Agreement in order to permit such second Lien. 
 (p) Section 6.2 (Liens).
Section 6.2 of the Credit Agreement is hereby amended by replacing clause (l) thereof in its entirety with the following: 
 (l)(A) Liens existing on the Effective Date and set forth in Schedule 6.2 and covering only such property that is covered by such Lien on the Effective Date, and (B) Liens encumbering the Bilateral Collateral and granted to Wells
Fargo under real estate mortgage or deed of trust in favor of Wells Fargo in effect on the Effective Date and securing the Borrower’s obligations under the Bilateral Agreement or any Guarantor’s obligations under any guaranty agreement
executed in connection with the Bilateral Agreement. 
 (q) Section 6.17 (Minimum Net Worth). Section 6.17 of the Credit
Agreement is hereby replaced in its entirety with the following: 
 Section 6.17 Minimum Net Worth. The
Borrower shall not permit the Borrower’s Net Worth (as defined below) as of the end of each fiscal quarter, commencing with the quarter ending March 31, 2009 to be less than an amount equal to (i) 90% of the Borrower’s Net Worth
as of the end of the fiscal quarter ended December 31, 2008 plus (ii) 75% of the Borrower’s consolidated Net Income for each fiscal quarter ending after December 31, 2008 in which such consolidated Net Income is greater than $0
plus (iii) an amount equal to 100% of equity issuance proceeds received by the Borrower or any Subsidiary after December 31, 2008. “Net Worth” means, as to the Borrower, the consolidated shareholder’s equity of the Borrower
and its Subsidiaries (determined in accordance with GAAP but excluding such portions of convertible bonds, debentures, notes or other similar instruments which are considered or calculated as equity pursuant to the FASB Staff Position APB 14-1).

 (r) Section 6.18 (Leverage Ratio). Section 6.18 of the Credit Agreement is hereby replaced in its entirety with the
following: 
 Section 6.18 Leverage Ratio. The Borrower shall not permit the Leverage Ratio as of each fiscal
quarter end to be more than (a) 3.00 to 1.00 for each fiscal 

  

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quarter ending prior to March 31, 2009; (b) 3.35 to 1.00 for the fiscal quarter ending on March 31, 2009, (c) 3.95 to 1.00 for the
fiscal quarter ending on June 30, 2009, (d) 4.80 to 1.00 for the fiscal quarter ending on September 30, 2009, (e) 5.30 to 1.00 for the fiscal quarter ending on December 31, 2009, (f) 4.60 to 1.00 for the fiscal quarter
ending on March 31, 2010, (g) 3.90 to 1.00 for the fiscal quarter ending on June 30, 2010, (h) 3.40 to 1.00 for the fiscal quarter ending on September 30, 2010, and (i) 3.10 to 1.00 for each fiscal quarter ending on or
after December 31, 2010. 
 (s) Section 6.19 (Fixed Charge Coverage Ratio). Section 6.19 of the Credit
Agreement is hereby replaced in its entirety with the following: 
 Section 6.19 Fixed Charge Coverage Ratio.
The Borrower shall not permit the Fixed Charge Coverage Ratio as of each fiscal quarter end to be less than (a) 1.25 to 1.00 for each fiscal quarter ending prior to December 31, 2009, (b) 1.10 to 1.00 for the fiscal quarter ending
December 31, 2009 and (c) 1.25 to 1.00 for each fiscal quarter ending after December 31, 2009. 
 (t) Section 6.21
(Capital Expenditures). Section 6.21 of the Credit Agreement is hereby replaced in its entirety with the following: 
 Section 6.21 Capital Expenditures. The Borrower shall not, nor shall it permit any of its Subsidiaries to, cause the aggregate Capital Expenditures expended by the Borrower or any of its Subsidiaries in each fiscal year (or,
with respect to any Subsidiary that was acquired during such fiscal year, the portion of such fiscal year that such Subsidiary was a Subsidiary) to exceed (a) $20,000,000 for the fiscal year ended December 31, 2008, (b) $8,000,000 for
the fiscal year ending December 31, 2009, and (c) $11,000,000 for each fiscal year ending after December 31, 2009. 
 (u)
Section 7.1 (Events of Default). Section 7.1(b) of the Credit Agreement is hereby amended by replacing the reference to “Material Adverse Effect” found therein with a reference to “Material Adverse
Change”. 
 (v) Section 8.7 (Resignation of Administrative Agent and Issuing Lender). Section 8.7 of the Credit
Agreement is hereby amended by adding a semicolon and the following proviso to the end of the third sentence therein: 
 provided that, if the Administrative Agent or Issuing Lender shall notify the Borrower and the Lenders that no qualifying Person has accepted such appointment, then such resignation shall nonetheless become effective in accordance
with such notice and (1) the retiring Administrative Agent or Issuing Lender shall be discharged from its duties and obligations hereunder and under the other Credit Documents (except that (A) in the case of any collateral security held by
the Administrative Agent on behalf of the Lenders or the Issuing Lender under any of the Credit Documents, the retiring Administrative Agent shall continue to hold such collateral security until such time as a successor 

  

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Administrative Agent is appointed and (B) the retiring Issuing Lender shall remain the Issuing Lender with respect to any Letters of Credit
outstanding on the effective date of its resignation or removal and the provisions affecting the Issuing Lender with respect to such Letters of Credit shall inure to the benefit of the retiring Issuing Lender until the termination of all such
Letters of Credit) and (2) all payments, communications and determinations provided to be made by, to or through the retiring Administrative Agent shall instead be made by or to each Lender and the Issuing Lender directly, until such time as
the Required Lenders appoint a successor Administrative Agent or Issuing Lender, as applicable, as provided for above in this paragraph. 
 (w) Section 8.8 (Collateral Matters). Section 8.8 of the Credit Agreement is hereby amended by replacing clause (b) in its entirety with the following clause (b) and adding the following new clause (c) to the
end thereof: 
 (b) The Lenders hereby, and any other Secured Party by accepting the benefit of the Liens granted pursuant
to the Security Documents, irrevocably authorize the Administrative Agent to (i) release any Lien granted to or held by the Administrative Agent upon any Collateral (a) upon termination of this Agreement, termination of all Hedging
Agreements with such Persons, termination of all Letters of Credit, and the payment in full of all outstanding Advances, Letter of Credit Obligations and all other Secured Obligations payable under this Agreement and under any other Credit Document;
(b) constituting property sold or to be sold or disposed of as part of or in connection with any disposition permitted under this Agreement or any other Credit Document so long as no Default exists at the time of such release;
(c) constituting property in which no Credit Party owned an interest at the time the Lien was granted or at any time thereafter; or (d) constituting property leased to any Credit Party under a lease which has expired or has been terminated
in a transaction permitted under this Agreement or is about to expire and which has not been, and is not intended by such Credit Party to be, renewed or extended; and (ii) so long as no Default exists at the time of such release, release a
Guarantor from its obligations under a Guaranty and any other applicable Credit Document if such Person ceases to be a Subsidiary as a result of a transaction permitted under this Agreement. Upon the request of the Administrative Agent at any time,
the Secured Parties will confirm in writing the Administrative Agent’s authority to release particular types or items of Collateral pursuant to this Section 8.8. 
 (c) Notwithstanding anything contained in any of the Credit Documents to the contrary, the Borrower, the Administrative Agent, and each
Secured Party hereby agree that no Secured Party shall have any right individually to realize upon any of the Collateral or to enforce the Guaranties, it being understood and agreed that all powers, rights and remedies hereunder and under the
Security Documents may be exercised solely by Administrative Agent on behalf of the Secured Parties in accordance with the terms hereof and the other Credit Documents. By accepting the benefit of the Liens granted pursuant to the Security Documents,
each Secured Party not party hereto hereby agrees to the terms of this paragraph (c). 
  

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 (x) Section 9.3 (Waivers and Amendments). Section 9.3 of the Credit Agreement is hereby
amended by (i) replacing the phrase “...any other Credit Document...” found in the first sentence thereof with the phrase “...any other Credit Document (other than the Fee Letter)...” and
(ii) adding the following parenthetical to the end of Section 9.3(c)(iii): (except pursuant to Section 2.15). 
 (y)
Section 9.8 (Confidentiality). Section 9.8 of the Credit Agreement is hereby replaced in its entirety with the following: 
 Section 9.8 Confidentiality. The Administrative Agent, the Swing Line Lender, the Issuing Lender, and each Lender (each a “Lending Party”) agree to keep confidential any information
furnished or made available to it by any Credit Party pursuant to this Agreement; provided that nothing herein shall prevent any Lending Party from disclosing such information (a) to any other Lending Party or any Affiliate of any
Lending Party, or any officer, director, employee, agent, or advisor of any Lending Party or Affiliate of any Lending Party for purposes of administering, negotiating, considering, processing, implementing, syndicating, assigning, or evaluating the
credit facilities provided herein and the transactions contemplated hereby, (b) to any other Person if directly incidental to the administration of the credit facilities provided herein, (c) as required by any Legal Requirement,
(d) upon the order of any court or administrative agency, (e) upon the request or demand of any regulatory agency or authority, (f) that is or becomes available to the public or that is or becomes available to any Lending Party other
than as a result of a disclosure by any other Lending Party prohibited by this Agreement, (g) in connection with any litigation relating to this Agreement or any other Credit Document to which such Lending Party or any of its Affiliates may be
a party, (h) to the extent necessary in connection with the exercise of any right or remedy under this Agreement or any other Credit Document, and (i) to any actual or proposed participant or assignee, in each case, subject to provisions
similar to those contained in this Section 9.8. NOTWITHSTANDING ANYTHING TO THE CONTRARY CONTAINED HEREIN, nothing in this Agreement shall (a) restrict any Lending Party from providing information to any bank or
other regulatory or governmental authorities, including the Federal Reserve Board and its supervisory staff; (b) require or permit any Lending Party to disclose to any Credit Party that any information will be or was provided to the Federal
Reserve Board or any of its supervisory staff; or (c) require or permit any Lending Party to inform any Credit Party of a current or upcoming Federal Reserve Board examination or any nonpublic Federal Reserve Board supervisory initiative or
action. 
 (z) Section 9.13 (Governing Law; Submission to Jurisdiction). Section 9.13 of the Credit
Agreement is hereby amended by replacing the third sentence thereof in its entirety with the following: 
 Each Letter of
Credit shall be governed by either (i) the Uniform Customs and Practice for Documentary Credits (2007 Revision), International Chamber of Commerce Publication No. 600, or (ii) the International Standby Practices (ISP98), International
Chamber of Commerce Publication No. 590, in either case, including any subsequent revisions thereof approved by a Congress of the International Chamber of Commerce and adhered to by the Issuing Lender. 
  

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 (aa) Article 9 (Miscellaneous). Article 9 of the Credit Agreement is hereby amended by adding the
following new Section 9.17 to the end thereof: 
 Section 9.17 Waiver of Consequential Damages, Etc. To
the fullest extent permitted by applicable law, no Credit Party shall assert and the Borrower, on behalf of itself and its Subsidiaries, agrees not to assert, and hereby waives, any claim against any Indemnified Party, on any theory of liability,
for special, indirect, consequential or punitive damages (as opposed to direct or actual damages) arising out of, in connection with, or as a result of, this Agreement, any other Credit Document or any agreement or instrument contemplated hereby,
the transactions contemplated hereby or thereby, any Advance or Letter of Credit or the use of the proceeds thereof. No Indemnified Party referred to in Section 9.2 above shall be liable for any damages arising from the use by unintended
recipients of any information or other materials distributed to such unintended recipients by such Indemnified Party through telecommunications, electronic or other information transmission systems in connection with this Agreement or the other
Credit Documents or the transactions contemplated hereby or thereby other than for direct or actual damages resulting from the gross negligence or willful misconduct of such Indemnified Party as determined by a final and nonappealable judgment of a
court of competent jurisdiction. 
 (bb) Schedule I (Pricing Schedule). Schedule I to the Credit Agreement is replaced in its
entirety with Schedule I attached hereto. 
 (cc) Exhibits. Exhibit B – Form of Borrowing Base Certificate and Exhibit C –
Form of Compliance Certificate to the Credit Agreement are replaced in their entirety with the corresponding Exhibit B and Exhibit C attached hereto. 
 Section 3. Permanent Waiver. The Lenders hereby agree, subject to the terms of this Agreement, to permanently waive the Existing Default. The waiver by the Lenders described herein is contingent upon the
satisfaction of the conditions precedent set forth in Section 7 herein and is limited to the Existing Default. This waiver is limited to the extent described herein and shall not be construed to be a consent to or a permanent waiver of any
other terms, provisions, covenants, warranties or agreements contained in the Credit Agreement or in any of the other Credit Documents or a waiver of any Default or Event of Default that may hereafter occur. The Lenders reserve the right to exercise
any rights and remedies available to them in connection with any other present or future defaults with respect to the Credit Agreement or any other provision of any Credit Document. 
  

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 Section 4. Representations and Warranties. The Borrower and each Guarantor represents and
warrants that (a) after giving effect to this Agreement, except for the representations and warranties which are made only as of a prior date, the representations and warranties set forth in the Credit Agreement and in the other Credit
Documents are true and correct in all respects as of the Effective Date and as of the date this Agreement is entered into, in each case, as if made on and as of such dates; (b) after giving effect to this Agreement, no Default has occurred and
is continuing; (c) the execution, delivery and performance of this Agreement are within the limited liability company or corporate power and authority of such Person and have been duly authorized by appropriate limited liability company or
corporate action and proceedings; (d) this Agreement constitutes a legal, valid, and binding obligation of such Person enforceable in accordance with its terms, except as limited by applicable bankruptcy, insolvency, reorganization, moratorium,
or similar laws affecting the rights of creditors generally and general principles of equity; (e) there are no governmental or other third party consents, licenses and approvals required in connection with the execution, delivery, performance,
validity and enforceability of this Agreement; (f) the Liens under the Security Documents are valid and subsisting and secure the Borrower’s and such Person’s obligations under the Credit Documents, and (g) as to each Guarantor,
it has no defenses to the enforcement of its Guaranty. 
 Section 5. Effect on Credit Documents; Acknowledgments. 
 (a) The Borrower and each Guarantor acknowledges that on the date hereof all Obligations are payable without defense, offset, counterclaim or recoupment.

 (b) The Administrative Agent, the Issuing Lender, the Swing Line Lender and the Lenders hereby expressly reserve all of their rights,
remedies, and claims under the Credit Documents. Nothing in this Agreement shall constitute a waiver or relinquishment of (i) any Default or Event of Default under any of the Credit Documents, (ii) any of the agreements, terms or
conditions contained in any of the Credit Documents, (iii) any rights or remedies of the Administrative Agent, Issuing Lender, the Swing Line Lender or any Lender with respect to the Credit Documents, or (iv) the rights of the
Administrative Agent, Issuing Lender, the Swing Line Lender or any Lender to collect the full amounts owing to them under the Credit Documents. 
 (c) Each party hereto does hereby adopt, ratify, and confirm the Credit Agreement and acknowledges and agrees that the Credit Agreement, as amended hereby, is and remains in full force and effect, and the Borrower and each Guarantor
acknowledges and agrees that its respective liabilities under the Credit Agreement, as amended hereby, or the Guaranty are not impaired in any respect by this Agreement or the waiver granted hereunder. This Agreement is a Credit Document for the
purposes of the provisions of the other Credit Documents. Without limiting the foregoing, any breach of representations, warranties, and covenants under this Agreement shall be a Default or Event of Default, as applicable, under the Credit
Agreement. 
 Section 6. Reaffirmation of the Guaranty. Each Guarantor hereby ratifies, confirms, and acknowledges that its
obligations under the Guaranty are in full force and effect and that such Guarantor continues to unconditionally and irrevocably guarantee the full and punctual payment of, when due, whether at stated maturity or earlier by acceleration or
otherwise, all of the Guaranteed Obligations, as such Guaranteed Obligations may have been amended by this 

  

 23 

 
Agreement, and its execution and delivery of this Agreement does not indicate or establish an approval or consent requirement by such Guarantor in connection
with the execution and delivery of amendments, consents or waivers to the Credit Agreement or any of the other Credit Documents. 
 Section 7. Effectiveness. This Agreement shall become effective, and the amendments provided for herein shall be effective as provided herein as of the Effective Date, upon the satisfaction of the following conditions precedent:

 (a) The Administrative Agent shall have received multiple original counterparts, as requested by the Administrative Agent, of this
Agreement, duly and validly executed and delivered by duly authorized officers of the Borrower, the Guarantors, the Administrative Agent, the Issuing Lender, the Swing Line Lender and the Lenders. 
 (b) The Administrative Agent shall have received a secretary’s certificate from the Borrower certifying (A) officers’ incumbency,
(B) the resolutions of the Board of Directors of the Borrower authorizing this Agreement, and (C) true and complete copies of its organizational documents or that no changes have occurred to such organizational documents since copies of
such documents were certified to the Administrative Agent with the closing of the Credit Agreement on March 31, 2008. 
 (c) No Default,
other than the Existing Default, shall have occurred and be continuing as of the Effective Date or as of the date this Agreement is entered into. 
 (d) The representations and warranties in this Agreement shall be true and correct in all material respects. 
 (e) The Borrower
shall have paid to the Administrative Agent (i) for the account of each Lender, an amendment fee equal to 0.50% of the sum of (a) such Lender’s Revolving Commitment plus (b) such Lender’s pro rata share of the outstanding
principal amount of all Term Advances; and (ii) all fees and expenses of the Administrative Agent’s outside legal counsel and other consultants pursuant to all invoices presented for payment on or prior to the Effective Date. The Borrower
and Wells Fargo Bank, N.A. hereby acknowledge and agree that the amendment fee provided for in clause (i) is the upfront fee referred to in the fee letter between the Borrower and Wells Fargo Bank, N.A. dated March 6, 2009. 
 Section 8. Counterparts; Severability. This Agreement may be signed in any number of counterparts, each of which shall be an original and all
of which, taken together, constitute a single instrument. This Agreement may be executed by facsimile signature and all such signatures shall be effective as originals. In the event that any one or more of the provisions contained in this Agreement
shall for any reason be held invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceability shall not affect any other provision of this Agreement. 
 Section 9. Successors and Assigns. This Agreement shall be binding upon and inure to the benefit of the parties hereto and their respective
successors and assigns permitted pursuant to the Credit Agreement and the Guaranty. 
  

 24 

 Section 10. Governing Law. This Agreement shall be deemed to be a contract made under and
shall be governed by and construed in accordance with the laws of the State of Texas. 
 Section 11. Waiver of Consequential
Damages. To the fullest extent permitted by applicable law, no Credit Party shall assert and each Credit Party hereby agrees not to assert, and hereby waives, any claim against any Indemnified Party, on any theory of liability, for special,
indirect, consequential or punitive damages (as opposed to direct or actual damages) arising out of, in connection with, or as a result of, the Credit Agreement, any other Credit Document (including this Agreement) or any agreement or instrument
contemplated hereby, the transactions contemplated hereby or thereby, any Advance or Letter of Credit or the use of the proceeds thereof. 
 Section 12. RELEASE: For good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, each Credit Party hereby, for itself and its successors and assigns, fully and without reserve, releases
and forever discharges each Secured Party, its respective successors and assigns, officers, directors, employees, representatives, trustees, attorneys, agents and affiliates (collectively the “Released Parties” and individually a
“Released Party”) from any and all actions, claims, demands, causes of action, judgments, executions, suits, debts, liabilities, costs, damages, expenses or other obligations of any kind and nature whatsoever, known or unknown,
direct and/or indirect, at law or in equity, whether now existing or hereafter asserted (INCLUDING, WITHOUT LIMITATION, ANY OFFSETS, REDUCTIONS, REBATEMENT, CLAIMS OF USURY OR CLAIMS WITH RESPECT TO THE NEGLIGENCE OF ANY RELEASED PARTY), for or
because of any matters or things occurring, existing or actions done, omitted to be done, or suffered to be done by any of the Released Parties, in each case, on or prior to the Effective Date and are in any way directly or indirectly arising out of
or in any way connected to any of this Agreement, the Credit Agreement, any other Credit Document, or any of the transactions contemplated hereby or thereby (collectively, the “Released Matters”). Each Credit Party, by execution
hereof, hereby acknowledges and agrees that the agreements in this Section 12 are intended to cover and be in full satisfaction for all or any alleged injuries or damages arising in connection with the Released Matters herein compromised and
settled. 
 Section 13. Entire Agreement. THIS AGREEMENT, THE CREDIT AGREEMENT AS AMENDED BY THIS AGREEMENT, THE NOTES,
AND THE OTHER CREDIT DOCUMENTS CONSTITUTE THE ENTIRE UNDERSTANDING AMONG THE PARTIES HERETO WITH RESPECT TO THE SUBJECT MATTER HEREOF AND SUPERSEDE ANY PRIOR AGREEMENTS, WRITTEN OR ORAL, WITH RESPECT THERETO. 
 THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES. 
 [Signature Pages Follow] 
  

 25 

 IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be duly executed and delivered by their respective duly authorized representatives as of the Effective Date. 
  

			
	BORROWER:
	
	FLOTEK INDUSTRIES, INC.
		
	By:	 	 /s/    JESSE E. NEYMAN

	Name:	 	Jesse E. Neyman
	Title:	 	Chief Financial Officer
	
	GUARANTORS:
	
	TELEDRIFT COMPANY
	FLOTEK PAYMASTER, INC.
	MATERIAL TRANSLOGISTICS, INC.
	PETROVALVE, INC.
	TURBECO, INC.
	USA PETROVALVE, INC.
	SOONER ENERGY SERVICES, LLC
	CESI MANUFACTURING LLC
	CESI CHEMICAL, INC.
	PADKO INTERNATIONAL, INC.
		
	Each By:	 	 /s/    JESSE E. NEYMAN

	Name:	 	Jesse E. Neyman
	Title:	 	Chief Financial Officer
	
	FLOTEK INDUSTRIES FZE
		
	By:	 	 /s/    JESSE E. NEYMAN

	Name:	 	Jesse E. Neyman
	Title:	 	Chief Financial Officer

 Signature Page to Second Amendment to Credit Agreement 

			
	 ADMINISTRATIVE AGENT / ISSUING
 LENDER / SWING LINE LENDER:

	
	WELLS FARGO BANK, N.A., as Administrative Agent, Issuing Lender and Swing Line Lender
		
	By:	 	 /S/ MICHAEL W. NYGREN

	Name:	 	 Michael W. Nygren

	Title:	 	 Vice President

 Signature Page to Second Amendment to Credit Agreement 

			
	LENDERS:
	
	WELLS FARGO BANK, N.A., as a Revolving Lender and a Term Lender
		
	By:	 	 /S/ MICHAEL W. NYGREN

	Name:	 	 Michael W. Nygren

	Title:	 	 Vice President

 Signature Page to Second Amendment to Credit Agreement 

			
	THE PRUDENTIAL INSURANCE COMPANY OF AMERICA, as a Revolving Lender and a Term Lender

		
	By:	 	 /S/ BRIAN N. THOMAS

	Name:	 	 Brian N. Thomas

	Title:	 	 Vice President

	
	PRUDENTIAL RETIREMENT INSURANCE AND ANNUITY COMPANY, as a Revolving Lender and a Term Lender
		
	By:	 	 /S/ BRIAN N. THOMAS

	Name:	 	 Brian N. Thomas

	Title:	 	 Vice President

 Signature Page to Second Amendment to Credit Agreement 

			
	COMERICA BANK, as a Revolving Lender and a Term Lender
		
	By:	 	 /S/ CYD DILLAHUNTY

	Name:	 	 Cyd Dillahunty

	Title:	 	 Vice President

 Signature Page to Second Amendment to Credit Agreement 

 SCHEDULE I 
 Pricing Schedule 
 The Applicable Margin with respect to Commitment Fee, Revolving Advances, Term Advances and
Swing Line Advances shall be determined in accordance with the following Table based on the Borrower’s Leverage Ratio as reflected in the Compliance Certificate delivered in connection with the Financial Statements most recently delivered
pursuant to Section 5.2. Adjustments, if any, to such Applicable Margin shall be effective on the date the Administrative Agent receives the applicable Financial Statements and corresponding Compliance Certificate as required by the terms of
this Agreement. If the Borrower fails to deliver the Financial Statements and corresponding Compliance Certificate to the Administrative Agent at the time required pursuant to Section 5.2, then effective as of the date such Financial Statements
and Compliance Certificate were required to the delivered pursuant to Section 5.2, the Applicable Margin with respect to Commitment Fee, Revolving Advances, Term Advances and Swing Line Advances shall be determined at Level III and shall remain
at such level until the date such Financial Statements and corresponding Compliance Certificate are so delivered by the Borrower. Notwithstanding the foregoing, the Borrower shall be deemed to be at Level II described below until delivery of its
unaudited Financial Statements and corresponding Compliance Certificate for the fiscal quarter ending March 31, 2009. Notwithstanding anything to the contrary contained herein, the determination of the Applicable Margin for any period shall be
subject to the provisions of Section 2.8(d). 
  

												
	 Applicable
 Margin
	  	 Leverage Ratio
	  	Eurodollar
Advances	 	 	Base Rate
Advances	 	 	Commitment
Fee	 
	Level I	  	Is less than 3.00	  	6.50	%	 	5.50	%	 	1.00	%
					
	Level II	  	Is equal to or greater than 3.00 but less than 5.00	  	7.00	%	 	6.00	%	 	1.00	%
					
	Level III	  	Is equal to or greater than 5.00	  	7.50	%	 	6.50	%	 	1.00	%

 Schedule INineteeth Amendment to Loan and Security Agreement

 Exhibit 10.38 
 NINETEENTH AMENDMENT TO LOAN AND SECURITY AGREEMENT 
 THIS NINETEENTH AMENDMENT TO LOAN AND
SECURITY AGREEMENT (this “Amendment”) is made on March 13, 2009, by and among FLANDERS CORPORATION (“Flanders,” individually and, in its capacity as the representative of the other Borrowers, “Borrowers’
Agent”), a North Carolina corporation, FLANDERS/PRECISIONAIRE CORP., a North Carolina corporation (“Flanders/Precisionaire”), FLANDERS FILTERS, INC., a North Carolina corporation (“Filters”);
FLANDERS/CSC CORPORATION, a North Carolina corporation (“CSC”), PRECISIONAIRE, INC., a Florida corporation (“Precisionaire”), PRECISIONAIRE OF UTAH, INC., a Utah corporation (“Utah”), ECO-AIR
PRODUCTS, INC., a California corporation (“Eco-Air”), AIR SEAL FILTER HOUSINGS, INC., a Texas corporation (“Air Seal”), and FLANDERS REALTY CORP., a North Carolina corporation (“Flanders Realty”)
(all of the foregoing collectively referred to herein as “Borrowers” and individually as a “Borrower”), each with its chief executive office and principal place of business at 531 Flanders Filters Road, Washington, North Carolina
27889, and BANK OF AMERICA, N.A. (together with its successors and assigns, “Lender”), a national banking association with an office at 300 Galleria Parkway, N.W., Suite 800, Atlanta, Georgia 30339. 
 Recitals: 
 Lender and
Borrowers are parties to a certain Loan and Security Agreement dated October 18, 2002, as amended by that certain First Amendment to Loan and Security Agreement dated October 18, 2002, that certain Second Amendment to Loan and Security
Agreement dated November 19, 2002, that certain Third Amendment to Loan and Security Agreement dated September 6, 2003, that certain Fourth Amendment to Loan and Security Agreement dated December 8, 2003, that certain Fifth Amendment
to Loan and Security Agreement dated September 13, 2004, that certain letter agreement dated October 7, 2004, that certain letter agreement dated December 24, 2004, that certain Eighth Amendment to Loan and Security Agreement dated
July 29, 2005, that certain Ninth Amendment to Loan and Security Agreement dated January 18, 2006, that certain Tenth Amendment to Loan and Security Agreement dated June 28, 2006, that certain letter agreement dated January 23,
2007, that certain letter agreement dated March 12, 2007, that certain Eleventh Amendment to Loan and Security Agreement dated September 20, 2007, that certain letter agreement dated October 26, 2007, that certain Fifteenth Amendment
dated January 4, 2008, that certain letter agreement dated May 9, 2008, that certain Seventeenth Amendment to Loan and Security Agreement dated July 15, 2008, and that certain Eighteenth Amendment to Loan and Security Agreement dated
November 6, 2008 (as at any other time amended, restated, modified or supplemented, the “Loan Agreement”), pursuant to which Lender has made certain revolving credit and term loans to Borrowers. 
 Events of Default have occurred and currently exist under the Loan Agreement by reason of (i) Borrowers’ failure to maintain a Consolidated
Fixed Charge Coverage Ratio of 1.10 to 1.00 for the testing periods ended October 31, 2008, November 30, 2008, December 31, 2008, and January 31, 2009, in violation of Section 9.3.1 of the Loan Agreement,
(ii) Borrowers’ incurrence of secured indebtedness in the amount of $2,619,275 in connection with the acquisition of real property in Washington, North Carolina, which transaction was consummated by Borrowers in violation of the provisions
of Sections 9.2.3 and 9.2.5 of the Loan Agreement, and (iii) Borrowers’ failure to maintain a ratio of Consolidated Total Funded Debt to Consolidated EBITDA of not more than 3.25 to 1.0 for the months ended December 31,
2008 and January 31, 2009, in violation of Section 9.3.2 of the Loan Agreement (the Events of Default set forth in the foregoing clauses (i), (ii) and (iii) are collectively referred to herein as the “Designated
Defaults”). 

 In consideration for Lender’s agreement to enter into this Amendment and waive the Designated
Defaults on the terms and subject to the conditions contained herein, Lender and Borrowers desire to amend the Loan Agreement as hereinafter set forth. 
 NOW, THEREFORE, for TEN DOLLARS ($10.00) in hand paid and other good and valuable consideration, the receipt and sufficiency of which are hereby severally acknowledged, the parties hereto, intending to be legally
bound hereby, agree as follows: 
 1. Definitions. All capitalized terms used in this Amendment, unless otherwise defined
herein, shall have the meaning ascribed to such terms in the Loan Agreement. 
 2. Amendments to Loan Agreement. Effective as
of the date hereof, the Loan Agreement is hereby amended as follows: 
 (a) By deleting Section 2.2.4 of the Loan
Agreement in its entirety and by substituting the following new Section 2.2.4 in lieu thereof: 
 2.2.4 LC
Facility Fees. Borrowers shall be jointly and severally obligated to pay to Lender for Letters of Credit (a) a per annum fee equal to the Applicable Margin for Revolver Loans that are LIBOR Loans in effect from time to time based upon the
maximum amount available to be drawn under all LC Outstandings together with the principal amount of Letters of Credit paid or extinguished during such month, payable monthly, in arrears, on the first Business Day of the following month; and
(b) all normal and customary charges associated with the issuance, amending, negotiating, processing and administration of Letters of Credit. During an Event of Default, the fee payable under clause (a) shall be increased by two percent
(2%) per annum. 
 (b) By deleting Section 9.2.9 of the Loan Agreement in its entirety, and by substituting
the following new Section 9.2.9 in lieu thereof: 
 9.2.9 Capital Expenditures. Make Capital Expenditures
(including expenditures by way of capitalized leases) which, in the aggregate, as to Borrowers and their Subsidiaries, exceed (i) $2,000,000, during the month of February, 2009, or (ii) $3,500,000, for the period from February 1,
2009, through March 31, 2009. 
 (c) By deleting Section 9.3.1 of the Loan Agreement in its entirety, and by
substituting the following new Section 9.3.1 in lieu thereof: 
 9.3.1. Consolidated Fixed Charge Coverage
Ratio. Maintain a Consolidated Fixed Charge Coverage Ratio of not less than (a) 1.0 to 1.0, for the period from April 1, 2009 through April 30, 2009, as of the last day of such period, and (b) 1.2 to 1.0, to be tested monthly
(i) for the period from April 1, 2009 through March 31, 2010, as of the last day of each month during such period on a cumulative basis for the period to-date since April 1, 2009, and (ii) for each month after March 31,
2010, as of the last day of each month based upon the immediately preceding twelve-month period. 

 (d) By deleting Section 9.3.2 of the Loan Agreement in its entirety, and by
substituting the following new Section 9.3.2 in lieu thereof: 
 9.3.2. Consolidated Total Funded Debt to
Consolidated EBITDA. Maintain a ratio of Consolidated Total Funded Debt to Consolidated EBITDA of not more than the ratio shown below for the period corresponding thereto, to be tested monthly, as of the last day of each month set forth below.
For purposes of this Section 9.3.2, Consolidated Total Funded Debt to Consolidated EBITDA shall be, as of any date of determination, the ratio of Consolidated Total Funded Debt on such date to, (i) for the period from
February 1, 2009, through December 31, 2009, as of the last day of each month during such period, Consolidated EBITDA for the fiscal year-to-date period since January 1, 2009, multiplied by (a) twelve, and divided by (b) the
number of months included in such period, and (ii) for each month after December, 2009, as of the last day of each month, Consolidated EBITDA for the immediately preceding twelve-month period. 
  

			
	 Period End Date
	  	 Ratio

	February 28, 2009	  	3.50 to 1.0
		
	March 31, 2009	  	3.50 to 1.0
		
	April 30, 2009	  	3.50 to 1.0
		
	May 31, 2009	  	3.50 to 1.0
		
	June 30, 2009, and the last day of each month thereafter	  	3.25 to 1.0

 (e) By deleting Section 9.3.4 of the Loan Agreement in its entirety,
and by substituting the following new Section 9.3.4 in lieu thereof: 
 9.3.4 Minimum EBITDA. Maintain
Consolidated EBITDA of not less than (a) $2,250,000, for the period from January 1, 2009, through February 28, 2009, and (b) $3,500,000, for the period from January 1, 2009, through March 31, 2009. 
 (f) By deleting definitions of “Applicable Margin”, “Base Rate”, “Capital Expenditures”
and “Federal Funds Rate” contained in Appendix A to the Loan Agreement and by substituting the following new definitions in lieu thereof, in proper alphabetical sequence: 
 Applicable Margin—a percentage equal to 2.75% with respect to Revolver Loans that are Base Rate Loans, 3.75% with respect to

 
Revolver Loans that are LIBOR Loans, and 3.75% with respect to fees payable to Lender pursuant to Section 2.2.4. The Applicable Margin for fees
payable to Lender pursuant to Section 2.2.2 shall be the Unused Line Fee Rate. 
 Base Rate—for any
day, a per annum rate equal to the greater of (a) the Prime Rate for such day; (b) the Federal Funds Rate for such day, plus 0.50%; or (c) the Adjusted LIBOR Rate for a 30 day interest period as determined on such day, plus 1.00%.

 Capital Expenditures—expenditures made or liabilities incurred (other than expenditures and liabilities funded
by a Person other than Lender, on terms and conditions satisfactory to Lender, that do not constitute proceeds of Loans or any Letter of Credit hereunder) for the acquisition of fixed assets or improvements, replacements, substitutions or additions
thereto which have a useful life of more than one year, including the total principal portion of Capitalized Lease Obligations 
 Federal Funds Rate—(a) the weighted average of interest rates on overnight federal funds transactions with members of the Federal Reserve System arranged by federal funds brokers on the applicable Business Day (or on the
preceding Business Day, if the applicable day is not a Business Day), as published by the Federal Reserve Bank of New York on the next Business Day; or (b) if no such rate is published on the next Business Day, the average rate (rounded up, if
necessary, to the nearest 1/8 of 1%) charged to Lender on the applicable day on such transactions, as determined by Lender. 
 (g) By adding the following new definitions of “Unused Line Fee Rate” and “Prime Rate” to Appendix A to the Loan Agreement, in proper alphabetical sequence: 
 Unused Line Fee Rate—a percentage equal to (i) 0.50%, for any month (or portion thereof) during which the Average
Revolver Loan Balance exceeds $18,000,000, and (ii) 0.75%, for any month (or portion thereof) during which the Average Revolver Loan Balance is equal to or less than $18,000,000. 
 Prime Rate—the rate of interest announced by Lender from time to time as its prime rate. Such rate is set by Lender on the
basis of various factors, including its costs and desired return, general economic conditions and other factors, and is used as a reference point for pricing some loans, which may be priced at, above or below such rate. Any change in such rate
announced by Lender shall take effect at the opening of business on the day specified in the public announcement of such change. 
 3.
Interest Rate Disclosure. The Base Rate on the date hereof is 3.25% per annum and, therefore, after giving effect to the amendments set forth in this letter agreement, the rate of interest in 

 
effect hereunder on the date hereof, expressed in simple interest terms, is 6.00% per annum with respect to any portion of the Revolver Loans bearing
interest as a Base Rate Loan. The 30-day LIBOR Rate on the date hereof is 0.5625% per annum and, therefore, after giving effect to the amendments set forth in this letter agreement, the rate of interest in effect hereunder on the date hereof,
expressed in simple interest terms, is 4.3125% per annum with respect to any portion of the Revolver Loans bearing interest as a LIBOR Loan with a 30-day Interest Period. 
 4. Limited Waiver of Designated Defaults. Borrower represents and warrants that the Designated Defaults are the only Defaults or Events of
Default that exist under the Loan Agreement and the other Loan Documents as of the date hereof. Lender hereby waives the Designated Defaults in existence on the date hereof. In no event shall such waiver be deemed to constitute a waiver of
(a) any Default or Event of Default other than the Designated Defaults in existence on the date of this Amendment or (b) Borrower’s obligation to comply with all of the terms and conditions of the Loan Agreement and the other Loan
Documents from and after the date hereof. Notwithstanding any prior, temporary mutual disregard of the terms of any contracts between the parties, Borrower hereby agrees that it shall be required strictly to comply with all of the terms of the Loan
Documents on and after the date hereof. 
 5. Ratification and Reaffirmation. Each Borrower hereby ratifies and reaffirms the
Obligations, each of the Loan Documents and all of such Borrower’s covenants, duties, indebtedness and liabilities under the Loan Documents. 
 6. Acknowledgments and Stipulations. By its signature below, each Borrower acknowledges and stipulates that the Loan Agreement and the other Loan Documents executed by such Borrower are legal, valid and binding obligations of
such Borrower that are enforceable against such Borrower in accordance with the terms thereof; all of the Obligations are owing and payable without defense, offset or counterclaim (and to the extent there exists any such defense, offset or
counterclaim on the date hereof, the same is hereby waived by such Borrower); except with respect to those Permitted Liens which are expressly permitted to have priority pursuant to the Loan Agreement, the security interests and Liens granted by
such Borrower in favor of Lender are each duly perfected, first priority security interests and Liens; and on and as of the opening of business on March 12, 2009, the unpaid principal amount of the Revolver Loans totaled $15,652,005.85, and the
face amount of the LC Outstandings totaled $11,254,171.00. 
 7. Representations and Warranties. Each Borrower represents and
warrants to Lender, to induce Lender to enter into this Amendment, that no Default or Event of Default exists on the date hereof; the execution, delivery and performance of this Amendment have been duly authorized by all requisite corporate action
on the part of such Borrower and this Amendment has been duly executed and delivered by such Borrower; and all of the representations and warranties made by such Borrower in the Loan Agreement are true and correct on and as of the date hereof.

 8. Reference to Loan Agreement. Upon the effectiveness of this Amendment, each reference in the Loan Agreement to “this
Agreement,” “hereunder,” or words of like import shall mean and be a reference to the Loan Agreement, as amended by this Amendment. 
 9. Breach of Amendment. This Amendment shall be part of the Loan Agreement and a breach of any representation, warranty or covenant herein shall constitute an Event of Default. 

 10. Conditions Precedent. The effectiveness of the amendments contained in Section 2
hereof and the waiver pursuant to Section 4 hereof are subject to the satisfaction of each of the following conditions precedent, in form and substance satisfactory to Lender, unless satisfaction thereof is specifically waived in writing by
Lender: 
 (a) No Default or Event of Default shall exist or result herefrom; 
 (b) Lender shall have received from each Borrower a duly executed counterpart of this Amendment; 
 (c) Lender shall have received from Borrowers, in immediately available funds, the amendment fee set forth in Section 11 hereof; and

 (d) Lender shall have received resolutions from each Borrower, certified by the secretary of such Borrower, authorizing the
execution, delivery and performance of this Amendment and the other Loan Documents contemplated hereby. 
 11. Amendment Fee; Expenses
of Lender. In consideration of Lender’s willingness to enter into this Amendment and waive the Designated Defaults as set forth herein, Borrowers agree to pay to Lender an amendment fee in the amount of $90,000 in immediately available
funds on the date hereof. Additionally, Borrowers agree to pay, on demand, all costs and expenses incurred by Lender in connection with the preparation, negotiation and execution of this Amendment and any other Loan Documents executed
pursuant hereto and any and all amendments, modifications, and supplements thereto, including, without limitation, the costs and fees of Lender’s legal counsel and any taxes or expenses associated with or incurred in connection with any
instrument or agreement referred to herein or contemplated hereby. 
 12. Effectiveness; Governing Law. This Amendment shall be
effective upon acceptance by Lender in Atlanta, Georgia (notice of which acceptance is hereby waived), whereupon the same shall be governed by and construed in accordance with the internal laws of the State of Georgia. 
 13. Successors and Assigns. This Amendment shall be binding upon and inure to the benefit of the parties hereto and their respective
successors and assigns. 
 14. No Novation, etc. Except as otherwise expressly provided in this Amendment, nothing herein shall
be deemed to amend or modify any provision of the Loan Agreement, the Loan Documents, or the Other Agreements, each of which shall remain in full force and effect. This Amendment is not intended to be, nor shall it be construed to create, a novation
or accord and satisfaction, and the Loan Agreement, the Loan Documents, and the Other Agreements as herein modified shall continue in full force and effect. 
 15. Counterparts; Telecopied Signatures. This Amendment may be executed in any number of counterparts and by different parties to this Amendment on separate counterparts, each of which, when so executed,
shall be deemed to be an original, but all such counterparts shall constitute one and the same agreement. Any signature delivered by a party by facsimile transmission shall be deemed to be an original signature hereto (but such party shall promptly
deliver to Lender an original signature by overnight delivery). 

 16. Further Assurances. Each Borrower agrees to take such further actions as Lender shall
reasonably request from time to time in connection herewith to evidence or give effect to the amendments set forth herein or any of the transactions contemplated hereby. 
 17. Section Titles. Section titles and references used in this Amendment shall be without substantive meaning or content of any kind whatsoever and are not a part of the agreements among the parties
hereto. 
 18. Release of Claims. To induce Lender to enter into this Amendment, each Borrower hereby releases, acquits and forever
discharges Lender, and all officers, directors, agents, employees, successors and assigns of Lender, from any and all liabilities, claims, demands, actions or causes of action of any kind or nature (if there be any), whether absolute or contingent,
disputed or undisputed, at law or in equity, or known or unknown, that such Borrower now has or ever had against Lender arising under or in connection with any of the Loan Documents or otherwise. Each Borrower represents and warrants to Lender that
such Borrower has not transferred or assigned to any Person any claim that such Borrower ever had or claimed to have against Lender. The releases contained herein are in addition to, and not in lieu of, any releases and covenants not to sue
contained in any other agreement signed by any Borrower, all of which releases will be deemed to be fully effective and not superseded by this Amendment. 
 19. Waiver of Jury Trial. To the fullest extent permitted by applicable law, the parties hereto each hereby waives the right to trial by jury in any action, suit, counterclaim or proceeding arising out of or
related to this Amendment. 
 [Remainder of page intentionally left blank; signatures begin on following page.] 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly executed under seal and
delivered by their respective duly authorized officers on the date first written above. 
  

			
	BANK OF AMERICA, N.A.
	(“Lender”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS CORPORATION
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS/PRECISIONAIRE CORP.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS FILTERS, INC.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS/CSC CORPORATION
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

  

 Nineteenth Amendment to Loan and Security Agreement (Flanders) 

			
	PRECISIONAIRE, INC.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	PRECISIONAIRE OF UTAH, INC.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	ECO-AIR PRODUCTS, INC.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	AIR SEAL FILTER HOUSINGS, INC.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS REALTY CORP.
	(“Borrower”)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

  

 Nineteenth Amendment to Loan and Security Agreement (Flanders) 

 CONSENT AND REAFFIRMATION 
 Each of the undersigned guarantors of the Obligations of Borrowers at any time owing to Lender hereby (i) acknowledges receipt of a copy of the
foregoing Nineteenth Amendment to Loan and Security Agreement; (ii) consents to Borrowers’ execution and delivery thereof and of the other documents, instruments or agreements Borrowers agree to execute and deliver pursuant thereto;
(iii) agrees to be bound thereby; and (iv) affirms that nothing contained therein shall modify in any respect whatsoever its respective guaranty of the Obligations and reaffirms that such guaranty is and shall remain in full force and
effect. 
 IN WITNESS WHEREOF, each of the undersigned has executed this Consent and Reaffirmation as of the date of such Nineteenth
Amendment to Loan and Security Agreement. 
  

			
	GUARANTORS:
	
	FLANDERS INTERNATIONAL PTE LTD
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	AIRSEAL WEST, INC.
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS-VIRGINIA, INC. (f/k/a Tidewater Air Filter Fabrication Company, Inc.)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS AIRIA TECHNOLOGIES, INC.
		
	By:	 	  

	Name:	 	  

	Title:	 	  

 [Signatures continued on following page.] 
  

 Nineteenth Amendment to Loan and Security Agreement (Flanders) 

			
	AIRPURE FILTER SALES AND SERVICE, INC.
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	FLANDERS-RICHMOND, INC.
	(f/k/a/ Bio-Tec, Inc.)
		
	By:	 	  

	Name:	 	  

	Title:	 	  

	
	GLOBAL CONTAINMENT SYSTEMS, INC.
		
	By:	 	  

	Name:	 	  

	Title:	 	  

  

 Nineteenth Amendment to Loan and Security Agreement (Flanders)

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