MKS Instruments
MKSI
#1390
Rank
A$22.75 B
Marketcap
A$338.75
Share price
-3.47%
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Change (1 year)

MKS Instruments - 10-Q quarterly report FY


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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM 10-Q
     (MARK ONE)
   
þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended September 30, 2007
or
   
o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from _________ to _________
Commission file number 0-23621
MKS INSTRUMENTS, INC.
(Exact name of registrant as specified in its charter)
   
Massachusetts
 
(State or other jurisdiction
of incorporation or organization)
 04-2277512
 
(I.R.S. Employer
Identification No.)
   
90 Industrial Way, Wilmington, Massachusetts
 
(Address of principal executive offices)
 01887
 
(Zip Code)
Registrant’s telephone number, including area code (978) 284-4000
     Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes þ     No o
     Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of “accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one):
Large accelerated filer þ                     Accelerated filer o                    Non-accelerated filer o
     Indicate by check mark whether the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.
     Yes o     No þ
     Number of shares outstanding of the issuer’s common stock as of October 29, 2007: 56,684,135
 
 

 


 

MKS INSTRUMENTS, INC.
FORM 10-Q
INDEX
         
PART I. FINANCIAL INFORMATION    
 
 ITEM 1. FINANCIAL STATEMENTS    
 
   Consolidated Balance Sheets — September 30, 2007 and December 31, 2006  3 
 
   Consolidated Statements of Operations — Three and nine months ended September 30, 2007 and 2006  4 
 
   Consolidated Statements of Cash Flows — Nine months ended September 30, 2007 and 2006  5 
 
   Notes to Consolidated Financial Statements  6 
 
 ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS  11 
 
 ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK  16 
 
 ITEM 4. CONTROLS AND PROCEDURES  16 
PART II. OTHER INFORMATION  18 
 
 ITEM 1. LEGAL PROCEEDINGS  18 
 
 ITEM 1A. RISK FACTORS  18 
 
 ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS  18 
 
 ITEM 6. EXHIBITS  19 
  SIGNATURES  19 
  EXHIBIT INDEX    
 Ex-10.1 Third Amendment, dated July 31, 2007, to Optional Advanced Demand Grid Note
 Ex-31.1 Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended
 Ex-31.2 Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended
 Ex-32.1 Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

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PART I. FINANCIAL INFORMATION
     ITEM 1. FINANCIAL STATEMENTS.
MKS INSTRUMENTS, INC.
CONSOLIDATED BALANCE SHEETS
(in thousands, except share data)
         
  September 30, 2007  December 31, 2006 
  (unaudited)     
ASSETS
        
Current assets:
        
Cash and cash equivalents
 $230,268  $215,208 
Short-term investments
  129,576   74,749 
Trade accounts receivable, net
  115,668   123,658 
Inventories
  159,441   149,820 
Deferred income taxes
  17,643   16,787 
Other current assets
  15,496   11,216 
 
      
Total current assets
  668,092   591,438 
Property, plant and equipment, net
  82,069   79,463 
Long-term investments
  3,541   2,816 
Goodwill
  322,396   323,973 
Acquired intangible assets, net
  32,122   43,104 
Deferred income taxes
  3,230    
Other assets
  2,550   2,926 
 
      
Total assets
 $1,114,000  $1,043,720 
 
      
 
        
LIABILITIES AND STOCKHOLDERS’ EQUITY
        
 
        
Current liabilities:
        
Short-term borrowings
 $22,851  $21,845 
Current portion of capital lease obligations
  1,347   1,176 
Accounts payable
  29,772   38,541 
Accrued compensation
  16,212   26,685 
Income taxes payable
  5,909   16,619 
Other accrued expenses
  30,095   25,031 
 
      
Total current liabilities
  106,186   129,897 
Long-term debt
  5,000   5,000 
Long-term portion of capital lease obligations
  1,055   1,113 
Deferred income taxes
     1,535 
Income taxes payable
  12,111    
Other liabilities
  7,237   4,956 
Commitments and contingencies (Note 8)
        
 
        
Stockholders’ equity:
        
Preferred Stock, $0.01 par value, 2,000,000 shares authorized; none issued and outstanding
      
Common Stock, no par value, 200,000,000 shares authorized; 56,987,996 and 56,671,625 shares issued and outstanding at September 30, 2007 and December 31, 2006, respectively
  113   113 
Additional paid-in capital
  712,936   680,164 
Retained earnings
  256,868   210,877 
Accumulated other comprehensive income
  12,494   10,065 
 
      
Total stockholders’ equity
  982,411   901,219 
 
      
Total liabilities and stockholders’ equity
 $1,114,000  $1,043,720 
 
      
The accompanying notes are an integral part of the consolidated financial statements.

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MKS INSTRUMENTS, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
(in thousands, except per share data)
(Unaudited)
                 
  Three Months Ended  Nine Months Ended 
  September 30,  September 30, 
  2007  2006  2007  2006 
 
                
Net sales
 $181,014  $205,494  $596,424  $582,906 
Cost of sales
  104,416   114,875   340,934   332,041 
 
            
Gross profit
  76,598   90,619   255,490   250,865 
 
                
Research and development
  17,159   17,964   53,809   51,684 
Selling, general and administrative
  32,494   33,017   102,998   93,082 
Amortization of acquired intangible assets
  3,877   4,016   12,092   13,356 
Purchase of in-process technology
           800 
 
            
Income from operations
  23,068   35,622   86,591   91,943 
Interest expense
  192   228   625   659 
Interest income
  4,202   2,467   11,521   6,262 
 
            
Income before income taxes
  27,078   37,861   97,487   97,546 
Provision for income taxes
  5,696   9,928   26,288   29,804 
 
            
Net income
 $21,382  $27,933  $71,199  $67,742 
 
            
 
                
Net income per share:
                
Basic
 $0.38  $0.50  $1.26  $1.23 
 
            
Diluted
 $0.37  $0.50  $1.24  $1.21 
 
            
 
                
Weighted average common shares outstanding:
                
Basic
  56,809   55,668   56,661   55,222 
 
            
Diluted
  57,482   56,105   57,582   55,760 
 
            
The accompanying notes are an integral part of the consolidated financial statements.

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MKS INSTRUMENTS, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(in thousands)
(Unaudited)
         
  Nine Months Ended 
  September 30, 
  2007  2006 
 
        
Cash flows from operating activities:
        
Net income
 $71,199  $67,742 
Adjustments to reconcile net income to net cash provided by operating activities:
        
Depreciation and amortization
  22,798   23,688 
Stock-based compensation
  9,294   9,857 
Tax benefit from stock-based compensation
  3,485   4,225 
Excess tax benefit from stock-based compensation
  (1,511)  (3,075)
Deferred Taxes
  (5,092)  (1,451)
Other
  (97)  392 
Changes in operating assets and liabilities, net of businesses acquired:
        
Trade accounts receivable
  9,970   (37,118)
Inventories
  (7,668)  (30,136)
Other current assets
  (5,220)  (4,564)
Accrued expenses and other current liabilities
  (3,656)  19,114 
Accounts payable
  (9,486)  5,817 
Income taxes payable
  1,046   1,379 
 
      
 
        
Net cash provided by operating activities
  85,062   55,870 
 
      
Cash flows from investing activities:
        
Acquisitions of businesses, net of cash acquired
     (96,672)
Purchases of short-term and long-term available for sale investments
  (159,916)  (68,562)
Maturities and sales of short-term and long-term available for sale investments
  104,363   92,546 
Purchases of property, plant and equipment
  (11,519)  (7,077)
Other
  987   (432)
 
      
Net cash used in investing activities
  (66,085)  (80,197)
 
      
 
        
Cash flows from financing activities:
        
Proceeds from short-term borrowings
  98,733   67,334 
Payments on short-term borrowings
  (98,505)  (62,155)
Repurchases of common stock
  (48,970)   
Principal payments on long-term debt and capital lease obligations
  (1,026)  (2,170)
Proceeds from exercise of stock options and employee stock purchase plan
  43,301   18,660 
Excess tax benefit from stock-based compensation
  1,511   3,075 
 
      
Net cash provided by (used in) financing activities
  (4,956)  24,744 
 
      
 
        
Effect of exchange rate changes on cash and cash equivalents
  1,039   (1,001)
 
      
Increase (decrease) in cash and cash equivalents
  15,060   (584)
Cash and cash equivalents at beginning of period
  215,208   220,573 
 
      
Cash and cash equivalents at end of period
 $230,268  $219,989 
 
      
 
        
Supplemental cash flow disclosure:
        
Income taxes paid
 $26,660  $26,300 
 
      
The accompanying notes are an integral part of the consolidated financial statements.

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MKS INSTRUMENTS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Tables in thousands, except share and per share data)
1) Basis of Presentation
 
  The terms “MKS” and the “Company” refer to MKS Instruments, Inc. and its subsidiaries. The interim financial data as of September 30, 2007 and for the three and nine months ended September 30, 2007 and 2006 is unaudited; however, in the opinion of MKS, the interim data includes all adjustments, consisting only of normal recurring adjustments, necessary for a fair statement of the results for the interim periods. The unaudited consolidated financial statements presented herein have been prepared in accordance with the instructions to Form 10-Q and do not include all of the information and note disclosures required by accounting principles generally accepted in the United States of America. The consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in the MKS Annual Report on Form 10-K for the year ended December 31, 2006 filed with the Securities and Exchange Commission on February 28, 2007.
 
  The preparation of these consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. On an on-going basis, management evaluates its estimates and judgments, including those related to revenue recognition, stock-based compensation, inventory, intangible assets, goodwill and other long-lived assets, in-process research and development expenses, merger expenses, income taxes and investments. Management bases its estimates and judgments on historical experience and on various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions.
 
  Certain amounts in prior periods have been reclassified to be consistent with the current period presentation.
 
2) Goodwill and Intangible Assets
 
  Intangible Assets
 
  Acquired amortizable intangible assets consisted of the following as of September 30, 2007:
             
  Gross Carrying  Accumulated  Net Carrying 
  Amount  Amortization  Amount 
Completed technology
 $87,706  $(72,560) $15,146 
Customer relationships
  21,242   (9,059)  12,183 
Patents, trademarks, tradenames and other
  16,675   (11,882)  4,793 
 
         
 
 $125,623  $(93,501) $32,122 
 
         
Acquired amortizable intangible assets consisted of the following as of December 31, 2006:
             
  Gross Carrying  Accumulated  Net Carrying 
  Amount  Amortization  Amount 
Completed technology
 $87,087  $(63,570) $23,517 
Customer relationships
  20,932   (7,139)  13,793 
Patents, trademarks, tradenames and other
  16,494   (10,700)  5,794 
 
         
 
 $124,513  $(81,409) $43,104 
 
         
Aggregate amortization expense related to acquired intangibles for the three and nine months ended September 30, 2007 was $3,877,000 and $12,092,000, respectively. Aggregate amortization expense related to acquired intangibles for the three and nine months ended September 30, 2006 was $4,016,000 and $13,356,000, respectively. Estimated amortization expense related to acquired intangibles for the remainder of 2007 and in total for the year is $3,679,000 and $15,771,000, respectively. Estimated amortization expense for 2008 and for each of the three succeeding fiscal years is as follows:
     
Year Amount
2008
 $8,096 
2009
  5,835 
2010
  4,742 
2011
  4,327 

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MKS INSTRUMENTS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (continued)
(Tables in thousands, except share and per share data)
Goodwill
The changes in the carrying amount of goodwill during the nine months ended September 30, 2007 were not material.
3) Net Income Per Share
 
  The following table sets forth the computation of basic and diluted net income per share:
                 
  Three Months Ended  Nine Months Ended 
  September 30,  September 30, 
  2007  2006  2007  2006 
 
                
Numerator:
                
Net income
 $21,382  $27,933  $71,199  $67,742 
 
            
Denominator:
                
Shares used in net income per common share — basic
  56,809   55,668   56,661   55,222 
Effect of dilutive securities:
                
Stock options, restricted stock units and employee stock purchase plan
  673   437   921   538 
 
            
Shares used in net income per common share — diluted
  57,482   56,105   57,582   55,760 
 
            
Net income per common share:
                
Basic
 $0.38  $0.50  $1.26  $1.23 
 
            
Diluted
 $0.37  $0.50  $1.24  $1.21 
 
            
For purposes of computing diluted net income per common share, 4,447,436 and 3,312,073 outstanding options for the three and nine months ended September 30, 2007, respectively, and 4,937,000 and 4,809,000 outstanding options for the three and nine months ended September 30, 2006, respectively, were excluded from the calculation as their inclusion would be anti-dilutive. There were options to purchase approximately 5,253,964 and 7,994,000 shares of the Company’s common stock outstanding as of September 30, 2007 and 2006, respectively.
4) Inventories
 
  Inventories consist of the following:
         
  September 30,  December 31, 
  2007  2006 
Raw material
 $78,421  $82,007 
Work in process
  27,984   26,943 
Finished goods
  53,036   40,870 
 
      
 
 $159,441  $149,820 
 
      
5) Stockholders’ Equity
 
  Comprehensive Income
 
  Components of comprehensive income were as follows:
                 
  Three Months Ended  Nine Months Ended 
  September 30,  September 30, 
  2007  2006  2007  2006 
Net income
 $21,382  $27,933  $71,199  $67,742 
Other comprehensive income (loss):
                
Changes in value of financial instruments designated as cash flow hedges (net of tax benefit of $458 and net of taxes of $305 for the three months ended September 30, respectively, and net of tax benefit of $549 and net of taxes of $34 for the nine months ended September 30, respectively)
  (761)  509   (915)  57 
Foreign currency translation adjustment
  2,997   (1,290)  3,252   540 
Unrealized gain on investments (net of taxes of $13 and $36 for the three months ended September 30, respectively, and net of taxes of $55 and $70 for the nine months ended September 30, respectively)
  21   60   92   117 
 
            
Other comprehensive income (loss)
  2,257   (721)  2,429   714 
 
            
Total comprehensive income
 $23,639  $27,212  $73,628  $68,456 
 
            

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MKS INSTRUMENTS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (continued)
(Tables in thousands, except share and per share data)
 
  Stock Repurchase Program
 
  On February 12, 2007, MKS’ Board of Directors approved a share repurchase program (the “Program”) for the repurchase of up to $300 million of its outstanding stock over the subsequent two years. The repurchases may be made from time to time on the open market or through privately negotiated transactions. The timing and amount of any shares repurchased under the Program will depend on a variety of factors, including price, corporate and regulatory requirements, capital availability, and other market conditions. The Program may be discontinued at any time at the discretion of the Company and its Board of Directors. During the three months ended September 30, 2007, we repurchased 748,000 shares of common stock for $17,250,786 for an average price of $23.06 and during the nine months ended September 30, 2007, we repurchased 1,948,765 shares of common stock for $48,969,870 for an average price of $25.13.
 
  Share-Based Compensation
 
  At September 30, 2007, total unrecognized estimated compensation cost related to non-vested stock options, restricted stock and restricted stock units (collectively “stock-based shares”) granted prior to that date was approximately $22,749,445, which is expected to be recognized over a weighted-average period of 1.9 years. Net stock-based shares, after forfeitures and cancellations, granted during the nine months ended September 30, 2007 and 2006 represented 0.9% and 1.0%, respectively, of outstanding shares as of the beginning of each fiscal period and represented 0.9% and 1.0%, respectively, of outstanding shares as of the end of each fiscal period.
 
6) Income Taxes
 
  The Company has adopted FASB Interpretation 48, Accounting for Uncertainty in Income Taxes (“FIN 48”), as of January 1, 2007. As a result of the implementation of FIN 48, the Company recognized no adjustment in the liability for unrecognized income tax benefits. At the adoption date of January 1, 2007, the total amount of gross unrecognized tax benefits, which excludes interest and penalties discussed below, was approximately $10,500,000. If these benefits were recognized in a future period, the timing of which is not estimable, the net unrecognized tax benefit of approximately $10,100,000 would impact the Company’s effective tax rate. The total amount of gross unrecognized tax benefits at September 30, 2007 was approximately $13,400,000. The increase from January 1, 2007 was primarily attributable to tax positions taken by the Company in the current year.
 
  MKS and its subsidiaries are subject to U.S. federal income tax as well as the income tax of multiple state and foreign jurisdictions. The Company has concluded all U.S. federal income tax matters for years through 2002. The 2003 federal tax year remains open to the extent of the loss carryforward to 2004 and 2005. At September 30, 2007, there were ongoing audits in various other tax jurisdictions.
 
  Over the next 12 months it is reasonably possible the Company may recognize $3,500,000 to $4,000,000 of previously unrecognized tax benefits related to various federal, state and foreign tax positions as a result of the conclusion of various audits and the expiration of the statute of limitations. The following tax years, in the major tax jurisdictions noted, are open for assessment or refund: U.S. Federal: 2003 to 2006, Germany: 2002 to 2006, Korea: 2005 and 2006, Japan: 2001 to 2006, and the United Kingdom: 2005 and 2006.
 
  The Company will accrue interest and, if applicable, penalties, for any uncertain tax positions. This interest and penalty expense will be a component of income tax expense. At the date of adoption of FIN 48 and at September 30, 2007, the Company had approximately $700,000 and $1,300,000, respectively, accrued for interest on unrecognized tax benefits.
 
  The Company’s effective tax rate for the three and nine months ended September 30, 2007 was 21.0% and 27.0%, respectively. The effective tax rate is less than the statutory tax rate primarily due to the profits of the Company’s international subsidiaries being taxed at rates lower than the U.S. statutory tax rate and the benefit from U.S. research and development credits.
 
  During the quarter ended September 30, 2007, the Company amended prior federal tax returns to reflect revised estimates for qualifying research and development costs that allowed for the Company to claim additional research tax credits. As a result of this claim, the Company recorded a discrete benefit to income tax expense of $1,847,000.
 
  During the quarter ended September 30, 2006, the Company received a notification letter from the Israeli Ministry of Industry Trade and Labor (“MITL”) indicating that the Company’s Israeli operations were in compliance with requirements relating to the tax holiday granted to the Company’s manufacturing operations in Israel in 2001. This tax holiday is anticipated to expire in 2011 and is subject to meeting continued investment, employment and other requirements under the guidelines of the MITL. Additionally, the Company recorded the impact of both a change in German tax rules allowing interest deductions on certain loans and an adjustment relating to transfer pricing. As a result of these items the Company recorded a net benefit to income tax expense of $1,565,000.

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MKS INSTRUMENTS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (continued)
(Tables in thousands, except share and per share data)
7) Geographic, Product and Significant Customer Information
 
  The Company operates in one segment for the development, manufacturing, sales and servicing of products that measure, control, power and monitor critical parameters of advanced manufacturing processes. The Company’s chief decision-maker reviews consolidated operating results to make decisions about allocating resources and assessing performance for the entire Company.
 
  Information about the Company’s operations in different geographic regions is presented in the tables below. Net sales to unaffiliated customers are based on the location in which the sale originated. Transfers between geographic areas are at negotiated transfer prices and have been eliminated from consolidated net sales.
                 
  Three Months Ended  Nine Months Ended 
  September 30,  September 30, 
  2007  2006  2007  2006 
 
                
Geographic net sales:
                
United States
 $112,586  $133,214  $370,438  $391,723 
Japan
  24,441   23,640   78,384   69,745 
Europe
  23,130   18,972   66,066   50,843 
Asia
  20,857   29,668   81,536   70,595 
 
            
 
 $181,014  $205,494  $596,424  $582,906 
 
            
         
  September 30,  December 31, 
  2007  2006 
 
        
Long-lived assets:
        
United States
 $65,416  $68,393 
Japan
  6,143   5,479 
Europe
  4,765   4,908 
Asia
  8,295   3,609 
 
      
 
 $84,619  $82,389 
 
      
The Company groups its products into three product groups. Net sales for these product groups are as follows:
                 
  Three Months Ended  Nine Months Ended 
  September 30,  September 30, 
  2007  2006  2007  2006 
Instruments and Control Systems
 $88,937  $98,637  $287,466  $276,861 
Power and Reactive Gas Products
  73,092   85,239   245,472   245,468 
Vacuum Products
  18,985   21,618   63,486   60,577 
 
            
 
 $181,014  $205,494  $596,424  $582,906 
 
            
 
  The Company had one customer comprising 20% of net sales for the three and nine months ended September 30, 2007, respectively. The Company had one customer comprising 21% of net sales for the three and nine months ended September 30, 2006.
 
8) Commitments and Contingencies
 
  The Company is subject to various legal proceedings and claims, which have arisen in the ordinary course of business. In the opinion of management, the ultimate disposition of these matters will not have a material adverse effect on the Company’s results of operations, financial condition or cash flows.
 
  The Company reviewed its contractual obligations and commercial commitments as of September 30, 2007 and determined that there were no significant changes from those set forth in the Company’s Annual Report on Form 10-K for the year ended December 31, 2006. However, certain changes in the Company’s obligations related to the adoption of FIN 48 are discussed in Note 6, Income Taxes, in the Notes to Consolidated Financial Statements in this Form 10-Q.

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MKS INSTRUMENTS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS — (continued)
(Tables in thousands, except share and per share data)
9) Product Warranties
 
  The Company provides for the estimated costs to fulfill customer warranty obligations upon the recognition of the related revenue. While the Company engages in extensive product quality programs and processes, including actively monitoring and evaluating the quality of its component suppliers, the Company’s warranty obligation is affected by product failure rates, utilization levels, material usage, and supplier warranties on parts delivered to the Company. Should actual product failure rates, utilization levels, material usage, or supplier warranties on parts differ from the Company’s estimates, revisions to the estimated warranty liability would be required.
 
  Product warranty activities for the nine months ended September 30 were as follows:
         
  2007  2006 
Balance at January 1
 $11,549  $7,766 
Fair value of warranty liabilities acquired during the period
     612 
Provisions for product warranties during the period
  5,056   10,662 
Direct charges to warranty liability during the period
  (6,463)  (7,511)
 
      
Balance at September 30
 $10,142  $11,529 
 
      
10) Recently Issued Accounting Pronouncements
 
  In September 2006, the Financial Accounting Standards Board (the “FASB”) issued SFAS No. 157, “Fair Value Measurements” (“SFAS 157”). SFAS 157 clarifies the principle that fair value should be based on the assumptions market participants would use when pricing an asset or liability and establishes a fair value hierarchy that prioritizes the information used to develop those assumptions. Under the standard, fair value measurements would be separately disclosed by level within the fair value hierarchy. SFAS 157 is effective for fiscal years beginning after November 15, 2007, with early adoption permitted. The Company is currently evaluating any potential impact of SFAS 157 and has not yet determined its possible effect on its consolidated financial statements.
 
  In February 2007, the FASB issued SFAS No. 159, “The Fair Value Option for Financial Assets and Liabilities” (“SFAS 159”). SFAS 159 permits companies to choose to measure certain financial instruments and certain other items at fair value and requires that unrealized gains and losses on items for which the fair value option has been elected be reported in earnings. SFAS 159 is effective for fiscal years beginning after November 15, 2007, although early adoption is permitted. The Company is currently evaluating the impact of SFAS 159 and has not yet determined its possible effect on its consolidated financial statements.
 
11) Subsequent Events — Acquisitions
 
  On November 7, 2007, the Company acquired Yield Dynamics, Inc. (YDI), a provider of yield management technology located in Sunnyvale, California. The aggregate purchase price consisted of $24.0 million in cash and $0.3 million in acquisition related costs. Over the three year period following the acquisition, additional consideration of up to $10 million may be paid if certain performance based milestones are achieved.

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MKS INSTRUMENTS, INC.
     ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.
     We believe that this Quarterly Report on Form 10-Q contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act and Section 21E of the Securities Exchange Act. When used herein, the words “believes,” “anticipates,” “plans,” “expects,” “estimates,” “intends,” “may,” “projects,” “will,” “would” and similar expressions are intended to identify forward-looking statements. These forward-looking statements reflect management’s current opinions and are subject to certain risks and uncertainties that could cause results to differ materially from those stated or implied. We assume no obligation to update this information. Risks and uncertainties include, but are not limited to those discussed in the section entitled “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2006 filed with the Securities and Exchange Commission on February 28, 2007.
Overview
     We are a leading worldwide provider of instruments, components, subsystems and process control solutions that measure, control, power, monitor and analyze critical parameters of semiconductor and other advanced manufacturing processes.
     We are managed as one operating segment which is organized around three product groups: Instruments and Control Systems, Power and Reactive Gas Products and Vacuum Products. Our products are derived from our core competencies in pressure measurement and control, materials delivery, gas and thin-film composition analysis, electrostatic charge control, control and information management, power and reactive gas generation and vacuum technology. Our products are used to manufacture semiconductors and thin film coatings for diverse markets such as flat panel displays, optical and magnetic storage media, architectural glass, solar panels and electro-optical products. We also provide technologies for other markets, including the medical imaging equipment and the energy generation and conservation markets.
     Our customers include semiconductor capital equipment manufacturers, semiconductor device manufacturers, capital equipment manufacturers of thin-film coatings used in flat panel displays, optical and magnetic data storage media, architectural glass, solar panels and electro-optical products, industrial and manufacturing companies, medical equipment manufacturers and university, government and industrial research laboratories. For the nine months ended September 30, 2007 and the full year ended December 31, 2006, we estimate that approximately 69% and 70% of our net sales, respectively, were to semiconductor capital equipment manufacturers and semiconductor device manufacturers. We expect that sales to the semiconductor capital equipment manufacturers and semiconductor device manufacturers will continue to account for a substantial majority of our sales.
     During 2006, we experienced significant increases in customer orders, which primarily resulted in an increase in our net sales for 2006 to $782.8 million, which ranged quarterly from $179.1 million to $205.5 million, from 2005 net sales of $509.3 million. Orders and net sales during our first two quarters of 2007 continued at a high level resulting in net sales of $211.4 million and $204.0 million for the first and second quarter, respectively, and declined in the third quarter of 2007 to $181.0. For the fourth quarter of 2007, we expect that our net sales could be approximately 7% lower than our third quarter 2007 net sales. The semiconductor capital equipment industry is subject to rapid demand shifts, which are difficult to predict, and we are uncertain how long these sales levels may be maintained or the timing or extent of any future downturn or upturn in the semiconductor capital equipment industry.
     A portion of our net sales is attributable to operations in international markets. For the nine months ended September 30, 2007 and full year ended December 31, 2006, international sales accounted for approximately 38% and 34% of net sales, respectively.
     On January 3, 2006, we completed our acquisition of Ion Systems, Inc. (“Ion”), a leading provider of electrostatic management solutions located in Alameda, California, pursuant to an Agreement and Plan of Merger dated November 25, 2005. Ion’s ionization technology controls electrostatic charges to reduce process contamination and improve yields, which complements our process monitoring and control technologies. The aggregate purchase price consisted of $68.1 million in cash, net of $5.1 million in cash acquired, and $0.8 million in acquisition related costs.
     Additionally, on January 3, 2006, we completed our acquisition of Umetrics, AB (“Umetrics”), a leader in multivariate data analysis and modeling software located in Umea, Sweden, pursuant to a Sale and Purchase Agreement dated December 15, 2005. Umetrics’ multivariate data analysis and modeling software converts process data into useable information for yield improvement, when linked with our open and modular platform of process sensors and data collection, integration, data storage, and visualization capabilities. The purchase price consisted of $27.4 million in cash, net of $2.6 million in cash acquired, and $0.4 million in acquisition related costs.
Critical Accounting Policies and Estimates
     The preparation of our consolidated financial statements and related disclosures in conformity with accounting principles generally accepted in the United States of America requires management to make judgments, assumptions and estimates that affect the amounts

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reported. There have been no material changes in our critical accounting policies since December 31, 2006. For further information, please see the discussion of critical accounting policies in our Annual Report on Form 10-K for the year ended December 31, 2006.
Results of Operations
     The following table sets forth, for the periods indicated, the percentage of total net sales of certain line items included in MKS’ consolidated statements of operations data.
                 
  Three Months Ended Nine Months Ended
  September 30, September 30,
  2007 2006 2007 2006
Net sales
  100.0%  100.0%  100.0%  100.0%
Cost of sales
  57.7   55.9   57.2   57.0 
 
                
Gross profit
  42.3   44.1   42.8   43.0 
Research and development
  9.5   8.7   9.0   8.9 
Selling, general and administrative
  18.0   16.1   17.3   16.0 
Amortization of acquired intangible assets
  2.1   2.0   2.0   2.3 
Purchase of in-process technology
           0.1 
 
                
Income from operations
  12.7   17.3   14.5   15.7 
Interest income, net
  2.2   1.1   1.8   1.0 
 
                
Income before income taxes
  14.9   18.4   16.3   16.7 
Provision for income taxes
  3.1   4.8   4.4   5.1 
 
                
Net income
  11.8%  13.6%  11.9%  11.6%
 
                
Net Sales (dollars in millions)
                          
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
  2007 2006 % Change  2007 2006 % Change
      
Net sales
 $181.0  $205.5   (11.9)  $596.4  $582.9   2.3 
     Net sales decreased $24.5 million during the three month period ended September 30, 2007 mainly due to a $22.7 million or 15.9% decrease in worldwide demand from our semiconductor capital equipment manufacturer and semiconductor device manufacturer customers compared to the same period for the prior year and from our thin-film and other non-semiconductor manufacturing applications, which sales decreased $1.7 million or 2.8% compared to the same period for the prior year. International net sales were approximately $68.4 million for the three months ended September 30, 2007 or 37.8% of net sales compared to $72.3 million for the three months ended September 30, 2006 or 35.2% of net sales.
     Net sales increased $13.5 million during the nine month period ended September 30, 2007 mainly due to an increase in worldwide demand during the first half of 2007 from our other non-semiconductor manufacturing applications, which sales increased $14.4 million or 11.6% compared to the same period for the prior year. International net sales were approximately $226.0 million for the nine months ended September 30, 2007 or 37.9% of net sales compared to $191.2 million for the nine months ended September 30, 2006 or 32.8% of net sales.
Gross Profit
                          
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
  2007 2006 % Points Change  2007 2006 % Points Change
      
Gross profit as a percentage of net sales
  42.3%  44.1%  (1.8)   42.8%  43.0%  (0.2)
     Gross profit decreased by approximately 1.8 percentage points during the three months ended September 30, 2007 consisting of approximately 1.5 percentage points from decreased sales volume and 1.4 percentage points from product mix, primarily offset by 0.4 percentage points from reduced overhead spending and 0.7 percentage points from reduced costs related to warranty and excess and obsolete inventory.
     Gross profit decreased by approximately 0.2 percentage points during the nine months ended September 30, 2007 primarily consisting of approximately 0.7 percentage points from higher overhead, 0.5 percentage points from higher costs related to excess and obsolete inventory, primarily offset by 0.9 percentage points from reduced warranty costs.

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Research and Development (dollars in millions)
                          
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
      
  2007 2006 % Change  2007 2006 % Change
      
Research and development expenses
 $17.2  $18.0   (4.5)  $53.8  $51.7   4.1 
     Research and development expense decreased $0.8 million during the three months ended September 30, 2007 mainly from decreased project materials spending of $0.8 million due to the timing of various projects.
     Research and development expense increased $2.1 million during the nine months ended September 30, 2007 mainly due to increased compensation expense of $1.5 million, as a result of higher staffing and compensation levels.
     Our research and development is primarily focused on developing and improving our instruments, components, subsystems and process control solutions to improve process performance and productivity.
     We have hundreds of products and our research and development efforts primarily consist of a large number of projects related to these products, none of which is individually material to us. Current projects typically have a duration of 12 to 30 months depending upon whether the product is an enhancement of existing technology or a new product. Our current initiatives include projects to enhance the performance characteristics of older products, to develop new products and to integrate various technologies into subsystems. These projects support in large part the transition in the semiconductor industry to larger wafer sizes and smaller integrated circuit geometries, which require more advanced process control technology. Research and development expenses consist primarily of salaries and related expenses for personnel engaged in research and development, fees paid to consultants, material costs for prototypes and other expenses related to the design, development, testing and enhancement of our products.
     We believe that the continued investment in research and development and ongoing development of new products are essential to the expansion of our markets, and expect to continue to make significant investment in research and development activities. We are subject to risks if products are not developed in a timely manner, due to rapidly changing customer requirements and competitive threats from other companies and technologies. Our success primarily depends on our products being designed into new generations of equipment for the semiconductor industry. We develop products that are technologically advanced so that they are positioned to be chosen for use in each successive generation of semiconductor capital equipment. If our products are not chosen to be designed into our customers’ products, our net sales may be reduced during the lifespan of those products.
Selling, General and Administrative (dollars in millions)
                          
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
      
  2007 2006 % Change  2007 2006 % Change
      
Selling, general and administrative expenses
 $32.5  $33.0   (1.6)  $103.0  $93.1   10.7 
     Selling, general and administrative expenses decreased $0.5 million for the three months ended September 30, 2007 due to a $2.9 million net decrease in compensation costs resulting from lower incentive compensation partially offset by higher headcount and $0.9 million in favorable foreign exchange fluctuations as there were gains of $0.5 million in 2007 and losses of $0.4 in 2006. These reductions were partially offset by $2.9 million of additional costs related to our ongoing enterprise resource planning (“ERP”) system implementation and general IT infrastructure.
     Selling, general and administrative expenses increased $9.9 million for the nine months ended September 30, 2007 due to $7.6 million of additional costs related to our ongoing ERP system implementation and general IT infrastructure, and $2.7 million in foreign exchange rate gains primarily occurring in 2006 that did not occur in 2007, offset by a $2.1 million net decrease in compensation costs resulting from lower incentive compensation and benefit costs, partially offset by increased headcount.
Amortization of Acquired Intangible Assets (dollars in millions)
                          
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
      
  2007 2006 % Change  2007 2006 % Change
      
Amortization of acquired intangible assets
 $3.9  $4.0   (3.5)  $12.1  $13.4   (9.5)

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     Amortization expense for the nine months ended September 30, 2007 decreased $1.3 million primarily as a result of certain acquired intangible assets that were fully amortized during the first quarter of 2006.
Interest Income, Net (dollars in millions)
                          
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
      
  2007 2006 % Change  2007 2006 % Change
      
Interest income, net
 $4.0  $2.2   79.1   $10.9  $5.6   94.5 
     Interest income, net increased $1.8 million and $5.3 million during the three and nine month periods ended September 30, 2007, respectively, mainly as a result of higher average cash and cash equivalent balances and higher average rates in 2007.
Provision for Income Taxes (dollars in millions)
                  
  Three Months Ended  Nine Months Ended
  September 30,  September 30,
       
  2007 2006  2007 2006
      
Provision for income taxes
 $5.7  $9.9   $26.3  $29.8 
     Our effective tax rate for the three and nine month periods ended September 30, 2007 was 21.0% and 27.0%, respectively. The effective tax rate is less than the statutory tax rate primarily due to the profits of our international subsidiaries being taxed at rates lower than the U.S. statutory tax rate and the benefit from U.S. research and development credits.
     During the quarter ended September 30, 2007, we amended prior federal tax returns to reflect revised estimates for qualifying research and development that allowed for us to claim additional research tax credits. As a result of this claim, we recorded a discrete benefit to income tax expense of $1.85 million.
     During the quarter ended September 30, 2006, we received a notification letter from the Israeli Ministry of Industry Trade and Labor (“MITL”) indicating that our Israeli operations were in compliance with requirements relating to the tax holiday granted to our manufacturing operations in Israel in 2001. This tax holiday is anticipated to expire in 2011 and is subject to meeting continued investment, employment and other requirements under the guidelines of the MITL. Additionally, we recorded the impact of both a change in German tax rules allowing interest deductions on certain loans and an adjustment relating to transfer pricing. As a result of these items we recorded a net benefit to income tax expense of $1.6 million.
     Our effective tax rate for the three and nine month periods ended September 30, 2006 was 26.2% and 30.6%, respectively. The effective tax rate is less than the statutory tax rate primarily due to a net benefit of $1.6 million attributable to discrete tax matters related to our international operations, as described above, and the profits of our international subsidiaries being taxed at rates lower than the U.S. statutory rates.
     We have adopted FASB Interpretation 48, Accounting for Uncertainty in Income Taxes (“FIN 48”), as of January 1, 2007. As a result of the implementation of FIN 48, we did not recognize an adjustment in the liability for unrecognized income tax benefits. At the adoption date of January 1, 2007, the total amount of gross unrecognized tax benefits, which excludes interest and penalties discussed below, was $10.5 million. If these benefits were recognized in a future period, the timing of which is not estimable, the net unrecognized tax benefit of $10.1 million would impact our effective tax rate. The total amount of gross unrecognized tax benefits at September 30, 2007 was approximately $13.4 million. The increase from January 1, 2007 was primarily attributable to our tax positions taken during the current year.
     MKS and its subsidiaries are subject to U.S. federal income tax as well as the income tax of multiple state and foreign jurisdictions. We have concluded all U.S. federal income tax matters for years through 2002. The 2003 Federal tax year remains open to the extent of the loss carryforward to 2004 and 2005. As of September 30, 2007, there were ongoing audits in various other tax jurisdictions.
     Over the next 12 months it is reasonably possible that we may recognize $3.5 million to $4.0 million of previously unrecognized tax benefits related to various federal, state and foreign tax positions as a result of the conclusion of various audits and the expiration of the statute of limitations. The following tax years, in the major tax jurisdictions noted, are open for assessment or refund: U.S. Federal: 2003 to 2006, Germany: 2002 to 2006, Korea: 2005 and 2006, Japan: 2001 to 2006, and the United Kingdom: 2005 and 2006.
     We will accrue interest and, if applicable, penalties, for any uncertain tax positions. This interest and penalty expense will be a component of income tax expense. At the date of adoption of FIN 48 and at September 30, 2007, we had $0.7 million and $1.3 million, respectively, accrued for interest on unrecognized tax benefits.

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     The U.S. Research and Development Tax Credit expired at the end of 2005 and was not reinstated until late in the fourth quarter of 2006. As a result, we did not take any benefit for this credit in the three and nine month periods ending September 30, 2006 and recorded a retroactive adjustment for fiscal 2006 in the fourth quarter. The benefits taken in the three and nine month periods ending September 30, 2007 for this credit were approximately $0.9 million and $1.7 million, respectively.
Liquidity and Capital Resources
     Cash, cash equivalents and short-term investments totaled $359.8 million at September 30, 2007 compared to $290.0 million at December 31, 2006. The primary source of funds for the first nine months of fiscal 2007 was cash provided by operating activities of $85.1 million.
     Net cash provided by operating activities of $85.1 million for the nine months ended September 30, 2007, resulted mainly from net income of $71.2 million, non-cash charges of $22.8 million for depreciation and amortization and $11.3 million for stock-based compensation and related tax benefits, offset by an increase in net operating assets of $2.9 million and a $12.1 million decrease in net operating liabilities. The $2.9 million increase in net operating assets consisted primarily of a $7.7 million increase in inventory, to support our increased revenues and to support the increased inventory levels required for our China facility relocation, which we expect to complete in the fourth quarter of 2007, and a $5.2 million increase in other current assets, primarily related to prepaid taxes, offset by a $10.0 million decrease in accounts receivable. The decrease in net operating liabilities of $12.1 million is mainly caused by a $9.5 million decrease in accounts payable and a decrease of $3.7 million in accrued expenses and other current liabilities. Net cash provided by operating activities of $55.9 million for the nine months ended September 30, 2006, resulted mainly from net income of $67.7 million, a $26.3 million increase in operating liabilities and non-cash charges of $23.7 million for depreciation and amortization and $11.0 million for stock-based compensation and related tax benefits, offset by an increase in net operating assets of $71.8 million. The net increase in operating liabilities is mainly caused by an increase of $19.1 million in accrued expenses and other current liabilities, primarily as a result of higher accrued compensation and warranty costs and an increase of $5.8 million in accounts payable, primarily as a result of inventory procurement activities. The $71.8 million increase in operating assets consisted primarily of a $37.1 million increase in accounts receivable as a result of higher revenue and a $30.1 million increase in inventory as a result of increased product demand.
     Net cash used in investing activities of $66.1 million for the nine months ended September 30, 2007, resulted primarily from net purchases of $55.6 million of available for sale investments. Net cash used in investing activities of $80.2 million for the nine months ended September 30, 2006, resulted primarily from the purchase of two technology companies for $96.7 million, offset by the net maturities of $24.0 million of available for sale investments.
     Net cash used in financing activities of $5.0 million for the nine months ended September 30, 2007, consisted primarily of $49.0 million in repurchases of common stock, offset by $43.3 million in proceeds from the exercise of stock options and purchases under our employee stock purchase plan. Net cash provided by financing activities of $24.7 million for the nine months ended September 30, 2006, consisted primarily of $18.7 million in proceeds from the exercise of stock options and purchases under our employee stock purchase plan and $5.2 million in net proceeds from short-term borrowings.
     On February 12, 2007, our Board of Directors approved a share repurchase program (the “Program”) for the repurchase of up to $300 million of our outstanding stock over two years. The repurchases may be made from time to time on the open market or through privately negotiated transactions. The timing and amount of any shares repurchased under the Program will depend on a variety of factors, including price, corporate and regulatory requirements, capital availability, and other market conditions. The Program may be discontinued at any time at the discretion of the Company and our Board of Directors. During the nine months ended September 30, 2007, we repurchased 1.9 million shares of common stock for $49.0 million for an average price of $25.13.
     We believe that our working capital, together with the cash anticipated to be generated from operations, will be sufficient to satisfy our estimated working capital, stock repurchase program activity and planned capital expenditure requirements through at least the next 12 months.
     To the extent permitted by Massachusetts law, our Restated Articles of Organization, as amended, require us to indemnify any of our current or former officers or directors or any person who has served or is serving in any capacity with respect to any of our employee benefit plans. Because no claim for indemnification has been pursued by any person covered by the relevant provisions of our Restated Articles of Organization, we believe that the estimated exposure for these indemnification obligations is currently minimal. Accordingly, we have no liabilities recorded for these requirements as of September 30, 2007.
     We also enter into agreements in the ordinary course of business which include indemnification provisions. Pursuant to these agreements, we indemnify, hold harmless and agree to reimburse the indemnified party, generally our customers, for losses suffered or incurred by the indemnified party in connection with certain patent or other intellectual property infringement claims, and, in some instances, other claims, by any third party with respect to our products. The terms of these indemnification obligations are generally perpetual after execution of the agreements. The maximum potential amount of future payments we could be required to make under these indemnification agreements is, in some instances, not contractually limited. We have never incurred costs to defend lawsuits or settle claims related to these

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indemnification obligations. As a result, we believe the estimated fair value of these obligations is minimal. Accordingly, we have no liabilities recorded for these obligations as of September 30, 2007.
     When, as part of an acquisition, we acquire all of the stock or all of the assets and liabilities of another company, we assume liability for certain events or occurrences that took place prior to the date of acquisition. The maximum potential amount of future payments we could be required to make for such obligations is undeterminable at this time. Other than obligations recorded as liabilities at the time of the acquisitions, historically we have not made significant payments for these indemnifications. Accordingly, no liabilities have been recorded for these obligations as of September 30, 2007.
     In conjunction with certain asset sales, we may provide routine indemnifications whose terms range in duration and often are not explicitly defined. Where appropriate, an obligation for such indemnifications is recorded as a liability. Because the amounts of liability under these types of indemnifications are not explicitly stated, the overall maximum amount of the obligation under such indemnifications cannot be reasonably estimated. Other than obligations recorded as liabilities at the time of the asset sale, historically we have not made significant payments for these indemnifications.
Off-Balance Sheet Arrangements
     We do not have any financial partnerships with unconsolidated entities, such as entities often referred to as structured finance, special purpose entities or variable interest entities, which are often established for the purpose of facilitating off-balance sheet arrangements or for other contractually narrow or limited purposes. Accordingly, we are not exposed to any financing, liquidity, market or credit risk that could arise if we had such relationships.
Recently Issued Accounting Pronouncements
     In September 2006, the FASB issued SFAS No. 157, “Fair Value Measurements” (“SFAS 157”). SFAS 157 clarifies the principle that fair value should be based on the assumptions market participants would use when pricing an asset or liability and establishes a fair value hierarchy that prioritizes the information used to develop those assumptions. Under the standard, fair value measurements would be separately disclosed by level within the fair value hierarchy. SFAS 157 is effective for fiscal years beginning after November 15, 2007, with early adoption permitted. We are in the process of evaluating any potential impact of SFAS 157.
     In February 2007, the FASB issued SFAS No. 159, “The Fair Value Option for Financial Assets and Liabilities” (“SFAS 159”). SFAS 159 permits companies to choose to measure certain financial instruments and certain other items at fair value and requires that unrealized gains and losses on items for which the fair value option has been elected be reported in earnings. SFAS 159 is effective for fiscal years beginning after November 15, 2007, although early adoption is permitted. We are in the process of evaluating any potential impact of SFAS 159.
     ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.
     Information concerning market risk is contained in the Management’s Discussion and Analysis of Financial Condition and Results of Operations contained in our Annual Report on Form 10-K for the year ended December 31, 2006 filed with the Securities and Exchange Commission on February 28, 2007. There were no material changes in our exposure to market risk from December 31, 2006.
     ITEM 4. CONTROLS AND PROCEDURES.
a) Effectiveness of disclosure controls and procedures.
     MKS’ management, with the participation of our chief executive officer and chief financial officer, evaluated the effectiveness of our disclosure controls and procedures as of September 30, 2007. The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended (“the Exchange Act”), means controls and other procedures of a company that are designed to ensure that information required to be disclosed by the company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure. Management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving their objectives and management necessarily applies its judgment in evaluating the cost-benefit relationship of possible controls and procedures. Based on the evaluation of our disclosure controls and procedures as of September 30, 2007, our chief executive officer and chief financial officer concluded that, as of such date, MKS’ disclosure controls and procedures were effective at the reasonable assurance level.

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b) Changes in internal control over financial reporting.
     There was no change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during the quarter ended September 30, 2007 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION
     ITEM 1. LEGAL PROCEEDINGS.
     We are subject to various legal proceedings and claims, which have arisen in the ordinary course of business. In the opinion of management, the ultimate disposition of these matters will not have a material adverse effect on our results of operations, financial condition or cash flows.
     ITEM 1A. RISK FACTORS.
     Information regarding risk factors affecting the Company’s business are discussed in the Company’s Annual Report of Form 10-K for the year ended December 31, 2006, filed with the Securities and Exchange Commission on February 28, 2007, in the section entitled “Item 1A. Risk Factors.” As of September 30, 2007, there have been no material changes from those risk factors.
     ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS.
     The following table provides information about purchases by MKS during the quarter ended September 30, 2007, of equity securities that are registered by MKS pursuant to Section 12 of the Exchange Act:
ISSUER PURCHASES OF EQUITY SECURITIES
                 
              (d)
          (c) Maximum Number (or
          Total Number of Approximate Dollar
        Shares (or Units) Value) of Shares
  (a)     Purchased as Part (or Units) that May
  Total Number of (b) of Publicly Yet Be Purchased
  Shares (or Units) Average Price Paid Announced Plans or Under the Plans or
Period Purchased 1 per Share (or Unit) Programs1 Programs2
7/1/07 - 7/31/07
  210,000  $27.13   1,410,765  $262,582,663 
8/1/07 - 8/31/07
  278,000  $22.11   1,688,765  $256,435,100 
9/1/07 - 9/30/07
  260,000  $20.79   1,948,765  $251,030,130 
 
1) We have repurchased an aggregate of 1,948,765 shares of our common stock pursuant to the repurchase program that we publicly announced on February 12, 2007 (the “Program”). During the three months ended September 30, 2007, we repurchased a total of 748,000 shares of our common stock pursuant to the program.
 
2) Our board of directors approved the repurchase by us of up to an aggregate of $300 million of our common stock pursuant to the Program. The expiration date of this Program is February 11, 2009, unless terminated earlier by resolution of our board of directors.

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     ITEM 6. EXHIBITS.
   
Exhibit No. Exhibit Description
3.1(1)
 Restated Articles of Organization
 
  
3.2(2)
 Articles of Amendment, as filed with the Secretary of State of Massachusetts on May 18, 2001
 
  
3.3(3)
 Articles of Amendment, as filed with the Secretary of State of Massachusetts on May 16, 2002
 
  
3.4(4)
 Amended and Restated By-Laws
 
  
10.1
 Third Amendment, dated July 31, 2007, to Optional Advanced Demand Grid Note dated August 3, 2004 in favor of HSBC Bank US, as amended
 
  
31.1
 Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended
 
  
31.2
 Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended
 
  
32.1
 Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
 
(1) Incorporated by reference to the Registration Statement on Form S-4 (File No. 333-49738) filed with the Securities and Exchange Commission on November 13, 2000.
 
(2) Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2001.
 
(3) Incorporated by reference to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2002.
 
(4) Incorporated by reference to the Registration Statement on Form S-1 filed with the Securities and Exchange Commission on January 28, 1999, as amended.
SIGNATURE
     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
     
 MKS INSTRUMENTS, INC.
 
 
November 8, 2007 By:  /s/ Ronald C. Weigner   
  Ronald C. Weigner  
  Vice President and Chief Financial Officer (Principal Financial Officer)  
 

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