Line of Credit. Subject to the further terms and provisions hereof, Lender agrees to and does hereby grant to and establish in favor of Borrower a revolving line of credit in the amount of ​ under which Lender shall be committed to make loans or advances to Borrower from time to time; provided, Lender shall never be required to make any advance under such line of credit when such advance together with the principal amount then unpaid and owing under the line of credit by reason of previous advances would exceed the amount which Lender is then committed to loan based on the loan value (also known as “Borrowing Base”) of collateral pledged to Lender as set forth in SECTION TWO hereof. Further provided, in no event shall the Lender ever be required to make any advance to Borrower under the line of credit when such advance, together with the principal amount then unpaid and owing under the line of credit by reason of previous advances, would exceed said ​ amount. Said line of credit is sometimes hereafter referred to as the “line of credit”. Further, the line of credit shall terminate on ​, and on and after such date the Lender shall not be obligated to make any additional advances on the line of credit.

Line of Credit. Subject to the terms and conditions of this Agreement, the Bank hereby agrees to make advances to Borrower from time to time up to and including ​ (the “Maturity Date”), not to exceed at any time the aggregate principal amount of ​ (the “Line of Credit”), the proceeds of which shall be used by Borrower to # provide for the working capital and general corporate purpose needs of Borrower (including the issuance of Letters of Credit, as defined below) and Baseline-MOCON, Inc., a Colorado corporation and a wholly owned subsidiary of Borrower (“Baseline”, and together with Borrower, collectively, “Obligors”), and # provide for Permitted Acquisitions (as defined below). Borrower’s obligation to repay advances under the Line of Credit shall be evidenced by a promissory note originally dated ​, as amended by an amended and restated promissory note dated ​ (as such promissory note may be amended, extended or otherwise modified from time to time, and including each other promissory note accepted from time to time in substitution therefor or in renewal thereof, the “Revolving Line of Credit Note”), all terms of which are incorporated herein by this reference.

Revolving Credit Commitment Fee. The Borrower shall pay to the Administrative Agent for the ratable account of the Lenders in accordance with their Percentages a commitment fee at the rate per annum equal to the Applicable Margin (computed on the basis of a year of 360 days and the actual number of days elapsed) times the daily amount by which the aggregate Revolving Credit Commitments exceeds the principal amount of Revolving Loans and L/C Obligations then outstanding. Such commitment fee shall be payable quarterly in arrears on the last day of each March, June, September, and December in each year (commencing on the first such date occurring after the Closing Date) and on the Revolving Credit Termination Date, unless the Revolving Credit Commitments are terminated in whole on an earlier date, in which event the commitment fee for the period to the date of such termination in whole shall be paid on the date of such termination. Swing Loans shall not constitute usage of the Revolving Credit Commitment for purposes of calculating the Revolving Credit Commitment Fee.

Subject to the terms and conditions set forth herein, # L/C Issuer agrees, in reliance upon the agreements of Revolving Credit Lenders set forth in this [Section 2.3], # from time to time on any Business Day during the period from the Closing Date until the Letter of Credit Expiration Date, to issue Letters of Credit for the account of Borrower, and to amend or extend Letters of Credit previously issued by it, in accordance with subsection # below, and # to honor drawings under the Letters of Credit; and # Revolving Credit Lenders severally agree to participate in Letters of Credit issued for the account of Borrower and any drawings thereunder; provided that after giving effect to any L/C Credit Extension with respect to any Letter of Credit, # the Revolving Credit Exposure of all Revolving Credit Lenders shall not exceed the aggregate amount of the Revolving Credit Commitments of the Revolving Credit Lenders, # the Revolving Credit Exposure of any Revolving Credit Lender shall

Revolving Credit Commitment Reduction. After giving effect to reduction of Revolving Credit Commitments contemplated by this Amendment, on the effective date of this Amendment, the Revolving Facility Usage shall not exceed the aggregate Revolving Credit Commitments of the Lenders as so reduced.

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The Swing Line. Subject to the terms and conditions set forth herein, Swing Line Lender, in reliance upon the agreements of the other Lenders set forth in this [Section 2.2], may in its sole discretion make loans (each such loan, a “Swing Line Loan”) to Borrower from time to time on any Business Day during the period from the Closing Date to the Maturity Date for the Facility in an aggregate amount not to exceed at any time outstanding the amount of the Swing Line Sublimit, notwithstanding the fact that such Swing Line Loans, when aggregated with the Applicable Percentage of the Outstanding Amount of Revolving Credit Loans of the Lender acting as Swing Line Lender, may exceed the amount of such Lender’s Commitment; provided, however, that # after giving effect to any Swing Line Loan, # the Revolving Credit Exposure of all Revolving Credit Lenders shall not exceed the aggregate amount of the Revolving Credit Commitments of the Revolving Credit Lenders, and # the Revolving Credit Exposure of any Revolving Credit Lender shall not exceed such Revolving Credit Lender’s Revolving Credit

SECTION # Amendment to [Section 1.01]. The definition of “Revolver Commitment” contained within [Section 1.01] of the Credit Agreement is deleted and replaced with the following:

The definition of “Aggregate Commitment” appearing in [Article I] of the Credit Agreement is hereby amended to add the following sentence at the end thereof:

The definition of “Revolving Commitment” appearing in [Section 1.01] of the Credit Agreement is hereby amended and restated in its entirety to read as follows:

Amendments to Definitions in the Credit Agreement. [Section 1.1] of the Credit Agreement is hereby amended to delete the definition of “Letter of Credit Commitment” and “Revolving Amount” therefrom and to insert in place thereof, respectively, the following:

Adjustments to Revolving Outstandings. On each Increase Effective Date with respect to each Revolving Commitment Increase, # if there are Revolving Credit Loans then outstanding, Borrower shall prepay such Revolving Credit Loans (and pay any additional amounts required pursuant to [Section 3.5] in connection therewith), and borrow Revolving Credit Loans from the Lenders, as shall be necessary in order that, after giving effect to such prepayments and borrowings, all Revolving Credit Loans will be held ratably by the Revolving Credit Lenders in accordance with their respective Revolving Credit Commitments after giving effect to the applicable Revolving Commitment Increase and # if there are Swing Line Loans or Letters of Credit then outstanding, the participations of the Revolving Credit Lenders in such Swing Line Loans or Letters of Credit, as the case may be, will be automatically adjusted to reflect the Applicable Percentages of all the Revolving Credit Lenders (including each Incremental Lender) after giving effect to the applicable Revolving Commitment Increase.

“Loan” means an extension of credit by a Lender to the Borrowers under [Article 2] in the form of a Term Loan, a Revolving Credit Loan or a Swing Line Loan (including any Incremental Term Loan and any extensions of credit under any Revolving Commitment Increase).

Revolver Commitment. Bank agrees, upon the terms and subject to the conditions hereinafter set forth, to make revolving loan advances (the "Revolver Loan") to Borrowers from the Closing Date until the Revolver Final Maturity Date, or until such later date as Bank shall have extended its Revolver Commitment in writing unless the Revolver Commitment shall be sooner terminated pursuant to the provisions of this Agreement, in such amounts as may from time to time be requested by Borrowers for payment of their existing secured indebtedness, development of oil and gas reserves, working capital needs, capital expenditures of Borrowers and for the issuance of standby letters of credit. In no event shall the aggregate unpaid principal amount of the Revolver Loan advanced, outstanding and unpaid at any time under the Revolver Note plus the amount of the requested Revolver Loan advance plus the amount of Letter of Credit Exposure at any time exceed the lesser of # the Collateral Borrowing Base (as calculated in accordance with the provisions of [Article V] of this Agreement) or # the Revolver Commitment Amount, notwithstanding the face principal amount of the Revolver Note from time to time.

The definition of the Commitment Period as set forth in ​ (Definitions) of the Agreement shall be deleted and replaced in its entirety by the following definition:

Commitment Fees. The Borrowers shall pay to the Administrative Agent # for the account of each Revolving Credit ​ in accordance with its Pro Rata Share, # a commitment fee equal to the Applicable Rate times the average daily unused amount of the Revolving Credit Commitments of such Revolving Credit ​ during the preceding quarter (or other period commencing with and including the Amendment No. 6 Effective Date or ending with but excluding the applicable Revolving Credit Maturity Date or the date on which the Commitments of such Revolving Credit ​ shall expire or be terminated) (the “Commitment Fee”); provided, however, that any Commitment Fee accrued with respect to any of the Revolving Credit Commitments of a Defaulting ​ during the period prior to the time such ​ became a Defaulting ​ and unpaid at such time shall not be payable by the Borrowers so long as such ​ shall be a Defaulting ​ except to the extent that the Commitment Fee shall otherwise have been due and payable by the Borrowers prior to such time; provided, further, that no Commitment Fee shall accrue on any of the Commitments of a Defaulting ​ so long as such ​ shall be a Defaulting ​. The Commitment Fee shall accrue at all times during the Initial Availability Period (and thereafter so long as any Revolving Credit Loans or L/C Obligations remain outstanding), including at any time during which one or more of the conditions in [Article V] is not met, and shall be due and payable quarterly in arrears on the last Business Day of each March, June, September and December, commencing with the first such date to occur after the Amendment No. 6 Effective Date, and to but excluding the last day of the Initial Availability Period (and, if applicable, thereafter on demand). The Commitment Fee shall be calculated quarterly in arrears. For the avoidance of doubt, for purposes of computing the Commitment Fee, Revolving Credit Commitments shall be deemed to be used to the extent of the Outstanding Amount of the Revolving Credit Loans and the Outstanding Amount of all L/C Obligations.