EXHIBIT 10.96

SECOND AMENDMENT TO
CREDIT AGREEMENT

THIS
SECOND AMENDMENT TO CREDIT AGREEMENT (this Amendment) is entered into as of
September 1, 2007 by and between SEMITOOL, INC., a Montana corporation
(Borrower), and WELLS FARGO HSBC TRADE BANK, NATIONAL ASSOCIATION (Trade
Bank).

RECITALS

WHEREAS,
Borrower is currently indebted to Trade Bank pursuant to the terms and conditions of that
certain Credit Agreement between Borrower and Trade Bank dated as of November 1, 2004, as
amended from time to time (Credit Agreement).

WHEREAS,
Trade Bank and Borrower have agreed to certain changes in the terms and conditions set
forth in the Credit Agreement and have agreed to amend the Credit Agreement to reflect
said changes.

NOW,
THEREFORE, for valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree that the Credit Agreement shall be amended as
follows:

| | I. | Article I. CREDIT FACILITY, Section 1.1 The
                    Facility is hereby amended by deleting March 1,
                    2008as the Facility Termination Date, and by substituting
                    March 1, 2009therefor.
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| | II. | Article V. NEGATIVE COVENANTS, Section 5.6,
                    Indebtedness For Borrowed Money is hereby deleted in its
                    entirety, and the following substituted therefor:
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| | 5.6
Indebtedness For Borrowed Money. Borrower will not incur any
indebtedness for borrowed money, except (a) to Trade Bank, (b) for indebtedness
subordinated to the Obligations by an instrument or agreement in form acceptable to Trade
Bank, and (c) for real estate financing in an amount not to exceed $15,000,000.00 in the
aggregate at any one time.
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| | III. | The following is hereby added to the Credit Agreement as Article V,
                    NEGATIVE COVENANTS, Section 5.11, Pledge Of Assets:
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| | 5.11
Pledge Of Assets. Mortgage, pledge, grant or permit to exist a
security interest in, or lien upon, all or any portion of Borrowers assets now owned
or hereafter acquired, except (a) any of the foregoing in favor of Bank or which is
existing as of, and disclosed to Bank in writing prior to, the date hereof and (b) liens
to the extent they secure other liabilities permitted under Section 5.6.
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| | IV. | EXHIBIT A, ADDENDUM TO CREDIT AGREEMENT is hereby deleted in its entirety, and
                    the attached EXHIBIT A, ADDENDUM TO CREDIT AGREEMENT,all terms of which
                    are incorporated herein by this reference, shall be substituted therefor.
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| | V. | In consideration of the changes set forth herein and as a condition to the
                    effectiveness hereof, immediately upon signing this Amendment and each year
                    hereafter Borrower shall pay to Trade Bank a non-refundable fee of $30,000.00.
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Except
as specifically provided herein, all terms and conditions of the Credit Agreement remain
in full force and effect, without waiver or modification. All terms defined in the Credit
Agreement shall have the same meaning when used in this Amendment. This Amendment and the
Credit Agreement shall be read together, as one document.

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Borrower
hereby remake all representations and warranties contained in the Credit Agreement and
reaffirms all covenants set forth therein. Borrower further certifies that as of the date
of this Amendment there exists no Event of Default as defined in the Credit Agreement, nor
any condition, act or event which with the giving of notice or the passage of time or both
would constitute any such Event of Default.

IN
WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed as of the
day and year first written above.

|SEMITOOL, INC.        CEOBY: /S/ Raymon F. ThompsonTitle:    CEO |  | WELLS FARGO HBSC TRADE BANKNATIONAL ASSOCIATIONBY: /S/ Laurie Hornor
Laurie HornorVice President
|------------------------------------------------------------------------------ |  | --------------------------------------------------------------------------------------------------------------

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|                            |                                       
|--------------------------- | --------------------------------------
|WELLS FARGO HSBC TRADE BANK | EXHIBIT A
ADDENDUM TO CREDIT AGREEMENT

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THIS ADDENDUM IS ATTACHED TO THE
CREDIT AGREEMENT (CREDIT AGREEMENT) BETWEEN WELLS FARGO HSBC TRADE BANK AND
THE FOLLOWING BORROWER:

NAME OF BORROWER: 
SEMITOOL, INC.

# ADDITIONAL AFFIRMATIVE
COVENANTS

The following covenants are part of
Article IV of the Credit Agreement:

REPORTS.Borrower will furnish the following information or deliver the following
          reports to Trade Bank at the times indicated below:

| |  | Annual Financial Statements:Not later than ninety (90) calendar days after and as
of the end of each of Borrowers fiscal years, an annual audited consolidated and
consolidating financial statement of Borrower, prepared by a certified public accountant
acceptable to Trade Bank and prepared in accordance with GAAP, to include balance sheet,
income statement, statement of cash flow.
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| |  | Quarterly Financial Statements:Not later than forty-five (45) calendar days after
and as of the end of each of Borrowers fiscal quarters, a consolidated and
consolidating financial statement of Borrower prepared by Borrower, to include balance
sheet, income statement, statement of cash flow.
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| |  | Certificate of Compliance:At the time each financial statement of Borrower
required above is delivered to Trade Bank, a certificate of the president or chief
financial officer of Borrower that said financial statements are accurate and that there
exists no Event of Default under the Agreement nor any condition, act or event which with
the giving of notice or the passage of time or both would constitute an Event of Default.
| | - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| |  | Reconciliation of Deferred Revenue:Not later than forty-five (45) calendar days
after and as of each fiscal quarter end, a reconciliation of deferred revenue, prepared by
Borrower, to include an accounts receivable report.
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| |  | Account Debtors List:Immediately upon each request from Trade Bank a list of the
names, addresses and phone numbers of all Borrowers account debtors and an aged
listing of their balances.
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| |  | Insurance:Borrower will maintain in full force and effect insurance coverage on
all Borrowers property, including, but not limited to, the following types of
insurance coverage:      policies
of fire insurance      business personal property insurance
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| | All
the insurance referred to in the preceding sentence must be in form, substance and
amounts, and issued by companies, satisfactory to Trade Bank, and cover risks required by
Trade Bank and contain loss payable endorsements in favor of Trade Bank.
| | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

FINANCIAL COVENANTS.Borrower
will maintain the following (if Borrower has any Subsidiaries which must be consolidated
under GAAP, the following applies to borrower and the consolidated Subsidiaries):

| |  | Tangible
Net Worth.Not at any time less than $90,000,000.00 (Tangible Net Worthmeans
the aggregate of total shareholders equity determined in accordance with GAAP plus indebtedness
which is subordinated to the Obligations toTrade Bank under a subordination
agreement in form and substance acceptable to Trade Bank or by subordination language
acceptable to Trade Bank in the instrument evidencing such indebtedness less (i) all
assets which would be classified as intangible assets under GAAP, including, but not
limited to, goodwill, licenses, patents, trademarks, trade names, copyrights, capitalized
software and organizational costs, licenses and franchises, and (ii) assets which Trade
Bank determines in its business judgment would not be available or would be of relatively
small value in a liquidation of Borrowers business, including, but not limited to,
loans to officers or affiliates and other items).
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| |  | Total
Liabilities divided by Tangible Net Worth. Total Liabilities divided by Tangible NetWorth.Not at any time greater than 1.0 to 1.0. (Tangible Net Worth has the
meaning given to it above, and Total Liabilities excludes indebtedness which
is subordinated to the Obligations to Trade Bank under a subordination agreement in form
and substance acceptable to Trade Bank or by subordination language acceptable to Trade
Bank in the instrument evidencing such indebtedness.)
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| |  | Pre-Tax
Profit.Not less than $1,000,000.00 on a trailing four quarters basis (determined as
of each fiscal quarter end). (Trailing four quarters shall mean the sum of the results of
four consecutive quarters consisting of the present quarter and the three preceding
quarters).
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| |  | Maximum
Borrowing Limit:As of the last day of each fiscal quarter, total loans outstanding
under the Revolving Credit Facility shall not exceed seventy-five percent (75%) of total
Accounts Receivable of Borrower and Subsidiaries (determination of the values for
Accounts Receivable will be derived from Borrowers quarterly consolidated and
consolidating financial statements for such fiscal quarter).
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Borrower shall only be obligated to
comply with financial covenants at the time an advance is requested under the credit
facilities and at all times any amounts are outstanding under the facilities.

# BY SIGNING HERE BORROWER
AGREES TO THE DESIGNATED PROVISIONS IN THIS ADDENDUM:

|SEMITOOL, INC.BY: /S/ Raymon F. Thompson    CEO
Title:CEO |  | 
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