INDEX
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended
June 30, 2020March 31, 2021
or
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 000-30205
CABOT MICROELECTRONICS CORPORATIONCMC Materials, Inc.
(Exact name of registrant as specified in its charter)
Delaware36-4324765
(State of Incorporation)(I.R.S. Employer Identification No.)

870 North Commons Drive60504
AuroraIllinois(Zip Code)
(Address of principal executive offices)
Registrant's telephone number, including area code: (630) 375-6631

Not Applicable
(Former name or former address, if changed since last report)
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.001 per shareCCMPNASDAQ

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.
YesNo
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).
YesNo
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company.  See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filerNon-accelerated filer
 
Smaller reporting companyEmerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.         
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).
YesNo
As of July 31, 2020,April 30, 2021, the Company had 29,055,26829,253,833 shares of Common Stock, par value $0.001 per share, outstanding.


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CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
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2

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PART I. FINANCIAL INFORMATION
ITEM 1. FINANCIAL STATEMENTS

CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
CONSOLIDATED STATEMENTS OF INCOME (LOSS)
(Unaudited and in thousands, except per share amounts)
Three Months Ended June 30,Nine Months Ended June 30,Three Months Ended March 31,Six Months Ended March 31,
20202019202020192021202020212020
RevenueRevenue$274,727  $271,882  $842,063  $759,051  Revenue$290,528 $284,193 $578,391 $567,336 
Cost of salesCost of sales152,973  156,492  470,525  429,508  Cost of sales166,782 163,091 331,741 317,552 
Gross profitGross profit121,754  115,390  371,538  329,543  Gross profit123,746 121,102 246,650 249,784 
Operating expenses:Operating expenses:Operating expenses:
Research, development and technicalResearch, development and technical12,165  12,191  38,206  39,009  Research, development and technical12,925 13,230 25,353 26,041 
Selling, general and administrativeSelling, general and administrative51,847  50,959  162,495  162,415  Selling, general and administrative58,538 56,209 114,458 110,648 
Impairment chargesImpairment charges208,221 215,568 
Total operating expensesTotal operating expenses64,012  63,150  200,701  201,424  Total operating expenses279,684 69,439 355,379 136,689 
Operating income57,742  52,240  170,837  128,119  
Operating (loss) incomeOperating (loss) income(155,938)51,663 (108,729)113,095 
Interest expenseInterest expense10,406  12,757  33,079  32,978  Interest expense9,508 10,753 19,116 22,673 
Interest incomeInterest income131  417  589  2,004  Interest income13 143 36 458 
Other income (expense), net(201) (472) (1,608) (2,897) 
Income before income taxes47,266  39,428  136,739  94,248  
Other (expense) income, netOther (expense) income, net(484)(1,010)968 (1,407)
(Loss) income before income taxes(Loss) income before income taxes(165,917)40,043 (126,841)89,473 
Provision for income taxes12,741  20,550  30,766  34,790  
(Benefit from) provision for income taxes(Benefit from) provision for income taxes(16,109)7,144 (8,563)18,025 
Net income$34,525  $18,878  $105,973  $59,458  
Net (loss) incomeNet (loss) income$(149,808)$32,899 $(118,278)$71,448 
Basic earnings per share (in dollars per share)$1.19  $0.65  $3.63  $2.09  
Basic (loss) earnings per shareBasic (loss) earnings per share$(5.13)$1.12 $(4.06)$2.45 
Diluted earnings per share (in dollars per share)$1.17  $0.64  $3.58  $2.06  
Diluted (loss) earnings per shareDiluted (loss) earnings per share$(5.13)$1.11 $(4.06)$2.41 
Weighted average basic shares outstandingWeighted average basic shares outstanding29,079  29,064  29,157  28,399  Weighted average basic shares outstanding29,210 29,287 29,164 29,183 
Weighted average diluted shares outstandingWeighted average diluted shares outstanding29,456  29,568  29,603  28,924  Weighted average diluted shares outstanding29,210 29,725 29,164 29,666 
The accompanying notes are an integral part of these Consolidated Financial Statements.
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INDEX
CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
(Unaudited and in thousands)
Three Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Net income$34,525  $18,878  $105,973  $59,458  
Other comprehensive income, net of tax:
Foreign currency translation adjustments9,086  2,699  5,212  4,132  
Net unrealized loss on cash flow hedges(334) (9,044) (13,382) (15,518) 
Other comprehensive income, net of tax8,752  (6,345) (8,170) (11,386) 
Comprehensive income$43,277  $12,533  $97,803  $48,072  
Three Months Ended March 31,Six Months Ended March 31,
2021202020212020
Net (loss) income$(149,808)$32,899 $(118,278)$71,448 
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments(13,815)(19,725)7,810 (3,874)
Net unrealized gain (loss) on cash flow hedges17,816 (17,307)15,430 (13,048)
Other comprehensive income (loss), net of tax4,001 (37,032)23,240 (16,922)
Comprehensive (loss) income$(145,807)$(4,133)$(95,038)$54,526 
The accompanying notes are an integral part of these Consolidated Financial Statements.
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INDEX
CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
CONSOLIDATED BALANCE SHEETS
(Unaudited and in thousands, except per share amount)
June 30, 2020September 30, 2019March 31, 2021September 30, 2020
ASSETSASSETSASSETS
Current assets:Current assets:Current assets:
Cash and cash equivalentsCash and cash equivalents$354,708  $188,495  Cash and cash equivalents$324,836 $257,354 
Accounts receivable, less allowance for doubtful accounts of $2,404 at June 30, 2020 and $2,377 at September 30, 2019137,736  146,113  
Accounts receivable, less allowance for credit losses of $567 at March 31, 2021 and $583 at September 30, 2020Accounts receivable, less allowance for credit losses of $567 at March 31, 2021 and $583 at September 30, 2020146,238 134,023 
InventoriesInventories161,805  145,278  Inventories161,771 159,134 
Prepaid expenses and other current assetsPrepaid expenses and other current assets24,623  28,670  Prepaid expenses and other current assets30,082 26,558 
Total current assetsTotal current assets678,872  508,556  Total current assets662,927 577,069 
Property, plant and equipment, netProperty, plant and equipment, net356,022  276,818  Property, plant and equipment, net358,708 362,067 
GoodwillGoodwill713,880  710,071  Goodwill510,624 718,647 
Other intangible assets, netOther intangible assets, net690,417  754,044  Other intangible assets, net630,704 670,964 
Deferred income taxesDeferred income taxes6,686  6,566  Deferred income taxes7,610 7,713 
Other long-term assetsOther long-term assets39,496  5,711  Other long-term assets55,373 40,007 
Total assetsTotal assets$2,485,373  $2,261,766  Total assets$2,225,946 $2,376,467 
LIABILITIES AND STOCKHOLDERS’ EQUITYLIABILITIES AND STOCKHOLDERS’ EQUITYLIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:Current liabilities:Current liabilities:
Accounts payableAccounts payable$50,211  $54,529  Accounts payable$53,194 $49,254 
Short-term debt150,000  —  
Current portion of long-term debtCurrent portion of long-term debt13,313  13,313  Current portion of long-term debt10,650 10,650 
Accrued expenses, income taxes payable and other current liabilitiesAccrued expenses, income taxes payable and other current liabilities126,399  103,618  Accrued expenses, income taxes payable and other current liabilities123,508 121,442 
Total current liabilitiesTotal current liabilities339,923  171,460  Total current liabilities187,352 181,346 
Long-term debt, net of current portion, less prepaid debt issuance costs of $15,684 at June 30, 2020 and $17,900 at September 30, 2019912,691  928,463  
Long-term debt, net of current portionLong-term debt, net of current portion906,902 910,764 
Deferred income taxesDeferred income taxes110,930  121,993  Deferred income taxes84,372 112,212 
Other long-term liabilitiesOther long-term liabilities96,795  59,473  Other long-term liabilities88,491 97,832 
Total liabilitiesTotal liabilities1,460,339  1,281,389  Total liabilities1,267,117 1,302,154 
Commitments and contingencies (Note 13)
Commitments and contingencies (Note 12)Commitments and contingencies (Note 12)00
Stockholders’ equity:Stockholders’ equity:Stockholders’ equity:
Common Stock Authorized: 200,000 shares, $0.001 par value; Issued: 39,867 shares at June 30, 2020, and 39,592 shares at September 30, 201940  40  
Common Stock Authorized: 200,000 shares, $0.001 par value; Issued: 40,187 shares at March 31, 2021, and 39,914 shares at September 30, 2020Common Stock Authorized: 200,000 shares, $0.001 par value; Issued: 40,187 shares at March 31, 2021, and 39,914 shares at September 30, 202040 40 
Capital in excess of par value of common stockCapital in excess of par value of common stock1,012,131  988,980  Capital in excess of par value of common stock1,041,252 1,019,803 
Retained earningsRetained earnings529,786  461,501  Retained earnings408,983 553,718 
Accumulated other comprehensive income (loss)Accumulated other comprehensive income (loss)(31,896) (23,238) Accumulated other comprehensive income (loss)9,136 (14,104)
Treasury stock at cost, 10,833 shares at June 30, 2020, and 10,491 shares at September 30, 2019(485,027) (446,906) 
Treasury stock at cost, 10,938 shares at March 31, 2021, and 10,834 shares at September 30, 2020Treasury stock at cost, 10,938 shares at March 31, 2021, and 10,834 shares at September 30, 2020(500,582)(485,144)
Total stockholders’ equityTotal stockholders’ equity1,025,034  980,377  Total stockholders’ equity958,829 1,074,313 
Total liabilities and stockholders’ equityTotal liabilities and stockholders’ equity$2,485,373  $2,261,766  Total liabilities and stockholders’ equity$2,225,946 $2,376,467 
The accompanying notes are an integral part of these Consolidated Financial Statements.
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INDEX
CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
CONSOLIDATED STATEMENTS OF CASH FLOWS
(Unaudited and amounts in thousands)
Nine Months Ended June 30,Six Months Ended March 31,
2020201920212020
Cash flows from operating activities:Cash flows from operating activities:Cash flows from operating activities:
Net income$105,973  $59,458  
Adjustments to reconcile net income to net cash provided by operating activities:
Net (loss) incomeNet (loss) income$(118,278)$71,448 
Adjustments to reconcile Net (loss) income to net cash provided by operating activities:Adjustments to reconcile Net (loss) income to net cash provided by operating activities:
Impairment chargesImpairment charges215,568 
Depreciation and amortizationDepreciation and amortization95,516  70,476  Depreciation and amortization64,180 64,192 
Deferred income tax (benefit)Deferred income tax (benefit)(32,771)(7,117)
Share-based compensation expenseShare-based compensation expense11,170 8,997 
Amortization of terminated interest rate swap contractAmortization of terminated interest rate swap contract3,715 
Amortization of debt issuance costsAmortization of debt issuance costs1,549 1,565 
Non-cash foreign exchange (gain) lossNon-cash foreign exchange (gain) loss(1,392)325 
Loss (gain) on disposal of assetsLoss (gain) on disposal of assets560 (69)
Accretion on Asset Retirement ObligationsAccretion on Asset Retirement Obligations406  —  Accretion on Asset Retirement Obligations293 255 
Provision for doubtful accounts366  (75) 
Share-based compensation expense12,191  15,048  
Deferred income tax benefit(9,469) (16,760) 
Non-cash foreign exchange loss146  907  
Gain on disposal of property, plant and equipment(338) (59) 
Non-cash charge on inventory step up of acquired inventory sold—  14,869  
Amortization of debt issuance costs2,345  2,086  
OtherOther(63) 2,201  Other(1,933)1,144 
Changes in operating assets and liabilities:Changes in operating assets and liabilities:Changes in operating assets and liabilities:
Accounts receivableAccounts receivable8,130  6,187  Accounts receivable(12,352)(6,386)
InventoriesInventories(16,442) (19,477) Inventories(1,423)(13,103)
Prepaid expenses and other assetsPrepaid expenses and other assets9,786  10,831  Prepaid expenses and other assets(16,137)5,020 
Accounts payableAccounts payable(5,591) (1,558) Accounts payable5,261 (1,102)
Accrued expenses, income taxes payable and other liabilitiesAccrued expenses, income taxes payable and other liabilities1,127  (27,089) Accrued expenses, income taxes payable and other liabilities5,498 (12,830)
Net cash provided by operating activitiesNet cash provided by operating activities204,083  117,045  Net cash provided by operating activities123,508 112,339 
Cash flows from investing activities:Cash flows from investing activities:Cash flows from investing activities:
Additions to property, plant and equipmentAdditions to property, plant and equipment(107,015) (32,691) Additions to property, plant and equipment(21,119)(59,192)
Proceeds from sales of property, plant and equipment1,587  1,210  
Acquisition of a business, net of cash acquired—  (1,182,186) 
Cash settlement of life insurance policy—  3,959 ��
Proceeds from the sale of assetsProceeds from the sale of assets363 1,587 
Net cash used in investing activitiesNet cash used in investing activities(105,428) (1,209,708) Net cash used in investing activities(20,756)(57,605)
Cash flows from financing activities:Cash flows from financing activities:Cash flows from financing activities:
Dividends paidDividends paid(26,115)(24,752)
Proceeds from issuance of stockProceeds from issuance of stock10,279 10,334 
Repurchases of common stock under Share Repurchase ProgramRepurchases of common stock under Share Repurchase Program(10,002)(16,414)
Repurchases of common stock withheld for taxesRepurchases of common stock withheld for taxes(5,436)(3,099)
Repayment of long-term debtRepayment of long-term debt(17,988) (102,663) Repayment of long-term debt(5,325)(17,988)
Repurchases of common stock(38,121) (9,468) 
Proceeds from issuance of long-term debt—  1,062,337  
Proceeds from revolving line of creditProceeds from revolving line of credit150,000  —  Proceeds from revolving line of credit150,000 
Debt issuance costs—  (18,745) 
Proceeds from issuance of stock10,960  11,349  
Dividends paid(37,527) (34,132) 
Other financing activitiesOther financing activities(123) —  Other financing activities(72)(4)
Net cash provided by financing activities67,201  908,678  
Net cash (used in) provided by financing activitiesNet cash (used in) provided by financing activities(36,671)98,077 
Effect of exchange rate changes on cashEffect of exchange rate changes on cash357  (258) Effect of exchange rate changes on cash1,401 (604)
Increase (decrease) in cash and cash equivalents166,213  (184,243) 
Increase in cash and cash equivalentsIncrease in cash and cash equivalents67,482 152,207 
Cash and cash equivalents at beginning of periodCash and cash equivalents at beginning of period188,495  352,921  Cash and cash equivalents at beginning of period257,354 188,495 
Cash and cash equivalents at end of periodCash and cash equivalents at end of period$354,708  $168,678  Cash and cash equivalents at end of period$324,836 $340,702 
Supplemental Cash Flow Information:Supplemental Cash Flow Information:Supplemental Cash Flow Information:
Purchases of property, plant and equipment in accrued liabilities and accounts payable at the end of the periodPurchases of property, plant and equipment in accrued liabilities and accounts payable at the end of the period$9,609  $3,085  Purchases of property, plant and equipment in accrued liabilities and accounts payable at the end of the period$4,180 $13,841 
Equity consideration related to the acquisition of KMG Chemicals, Inc—  331,048  
Cash paid during the period for lease liabilitiesCash paid during the period for lease liabilities5,647  —  Cash paid during the period for lease liabilities4,079 3,825 
Right of use asset obtained in exchange for lease liabilitiesRight of use asset obtained in exchange for lease liabilities6,351  —  Right of use asset obtained in exchange for lease liabilities2,761 3,334 
The accompanying notes are an integral part of these Consolidated Financial Statements.
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INDEX
CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY
(Unaudited and amounts in thousands)thousands, except per share amount)
Common
Stock
Capital
In Excess
of Par
Retained
Earnings
Accumulated
Other
Comprehensive
Income (Loss)
Treasury
Stock
Total
Balance at September 30, 2019$40  $988,980  $461,501  $(23,238) $(446,906) $980,377  
Share-based compensation expense4,763  4,763  
Repurchases of common stock - other, at cost(2,897) (2,897) 
Exercise of stock options1,298  1,298  
Issuance of Cabot Microelectronics restricted stock under Deposit Share Program150  150  
Net income38,549  38,549  
Dividends ($0.42 per share in dollars)(12,351) (12,351) 
Effect of the adoption of the stranded tax effect accounting standard488  (488) —  
Foreign currency translation adjustment15,851  15,851  
Cash flow hedges4,259  4,259  
Balance at December 31, 2019$40  $995,191  $488,187  $(3,616) $(449,803) $1,029,999  
Share-based compensation expense4,234  4,234  
Repurchases of common stock under Share Repurchase Program, at cost(16,414) (16,414) 
Repurchases of common stock - other, at cost(202) (202) 
Exercise of stock options6,350  6,350  
Issuance of Cabot Microelectronics stock under Employee Stock Purchase Plan2,536  2,536  
Net income32,899  32,899  
Dividends ($0.44 per share in dollars)(12,960) (12,960) 
Foreign currency translation adjustment(19,725) (19,725) 
Cash flow hedges(17,307) (17,307) 
Balance at March 31, 2020$40  $1,008,311  $508,126  $(40,648) $(466,419) $1,009,410  
Share-based compensation expense3,194  3,194  
Repurchases of common stock under Share Repurchase Program, at cost(18,595) (18,595) 
Repurchases of common stock - other, at cost(13) (13) 
Exercise of stock options626  626  
Net income34,525  34,525  
Dividends ($0.44 per share in dollars)(12,865) (12,865) 
Foreign currency translation adjustment9,086  9,086  
Cash flow hedges(334) (334) 
Balance at June 30, 2020$40  $1,012,131  $529,786  $(31,896) $(485,027) $1,025,034  
Three Months Ended March 31,Six Months Ended March 31,
2021202020212020
Shares$Shares$Shares$Shares$
Common Stock
Beginning balance40,092 $40 39,719 $40 39,914 $40 39,592 $40 
Issuance of common stock under stock plans95 136 273 263 
Ending balance40,187 40 39,855 40 40,187 40 39,855 40 
Capital in Excess of Par
Beginning balance1,030,677 995,191 1,019,803 988,980 
Share-based compensation expense5,319 4,234 11,170 8,997 
Exercise of stock options5,256 6,350 6,693 7,648 
Issuance of common stock under Employee Stock Purchase Plan2,536 3,371 2,536 
Issuance of restricted stock under Deposit Share Program215 150 
Ending balance1,041,252 1,008,311 1,041,252 1,008,311 
Retained Earnings
Beginning balance572,441 488,187 553,718 461,501 
Cumulative effect of accounting changes488 
Net (loss) income(149,808)32,899 (118,278)71,448 
Dividends(13,650)(12,960)(26,457)(25,311)
Ending balance408,983 508,126 408,983 508,126 
Accumulated Other Comprehensive Income (Loss)
Beginning balance5,135 (3,616)(14,104)(23,238)
Cumulative effect of accounting changes(488)
Foreign currency translation adjustment(13,815)(19,725)7,810 (3,874)
Cash flow hedges17,816 (17,307)15,430 (13,048)
Ending balance9,136 (40,648)9,136 (40,648)
Treasury Stock
Beginning balance10,931 (499,565)10,514 (449,803)10,834 (485,144)10,491 (446,906)
Repurchases of common stock under Share Repurchase Program(801)157 (16,414)67 (10,002)157 (16,414)
Repurchases of common stock - other(216)(202)37 (5,436)25 (3,099)
Ending balance10,938 (500,582)10,673 (466,419)10,938 (500,582)10,673 (466,419)
Total Equity$958,829 $1,009,410 $958,829 $1,009,410 
Dividends per share of common stock$0.46 $0.44 $0.90 $0.86 
The accompanying notes are an integral part of these Consolidated Financial Statements.
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INDEX
CABOT MICROELECTRONICS CORPORATION
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY
(Unaudited and amounts in thousands)
Common
Stock
Capital
In Excess
of Par
Retained
Earnings
Accumulated
Other
Comprehensive
Income (Loss)
Treasury
Stock
Total
Balance at September 30, 2018$36  $622,498  $471,673  $4,539  $(432,054) $666,692  
Share-based compensation expense8,170  8,170  
Repurchases of common stock - other, at cost(4,001) (4,001) 
Exercise of stock options3,097  3,097  
Issuance of common stock in connection with acquisition of KMG Chemicals, Inc. 331,045  331,048  
Issuance of Cabot Microelectronics restricted stock under Deposit Share Program75  75  
Net income13,443  13,443  
Dividends ($0.40 per share in dollars)(11,598) (11,598) 
Effect of the adoption of the revenue recognition accounting standards(933) (933) 
Foreign currency translation adjustment2,425  2,425  
Minimum pension liability adjustment(251) (251) 
Balance at December 31, 2018$39  $964,885  $472,585  $6,713  $(436,055) $1,008,167  
Share-based compensation expense3,538  3,538  
Repurchases of common stock - other, at cost(694) (694) 
Exercise of stock options5,080  5,080  
Issuance of Cabot Microelectronics stock under Employee Stock Purchase Plan2,109  2,109  
Net income27,137  27,137  
Dividends ($0.42 per share in dollars)(12,255) (12,255) 
Foreign currency translation adjustment(992) (992) 
Cash flow hedges(6,474) (6,474) 
Minimum pension liability adjustment251  251  
Balance at March 31, 2019$39  $975,612  $487,467  $(502) $(436,749) $1,025,867  
Share-based compensation expense3,340  3,340  
Repurchases of common stock under share repurchase plans, at cost(5,001) (5,001) 
Repurchases of common stock - other, at cost(58) (58) 
Exercise of stock options988  988  
Net income18,878  18,878  
Dividends ($0.42 per share in dollars)(12,336) (12,336) 
Foreign currency translation adjustment2,699  2,699  
Cash flow hedges(9,044) (9,044) 
Balance at June 30, 2019$39  $979,940  $494,009  $(6,847) $(441,808) $1,025,333  
`The accompanying notes are an integral part of these Consolidated Financial Statements.
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CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(Unaudited and in thousands, except per share amounts)
1. BACKGROUND AND BASIS OF PRESENTATION
Cabot Microelectronics CorporationCMC Materials, Inc. (“Cabot Microelectronics”CMC”, “the Company”, “us”, “we”, or “our”) is a leading global supplier of consumable materials, primarily to semiconductor manufacturers and pipeline companies.manufacturers. The Company's products play a critical role in the production of advanced semiconductor devices, helping to enable the manufacture of smaller, faster and more complex devices by its customers. The Consolidated Financial Statements included in this Report on Form 10-Q include the financial results of KMG Chemicals, Inc. (“KMG”) since the Company's acquisition of 100% of the outstanding stock of KMG (the "Acquisition") on November 15, 2018 (the “Acquisition Date”). We operate our business within 2 reportable segments: Electronic Materials and Performance Materials. The Electronic Materials segment consists of our heritage Chemical Mechanical Planarization ("CMP"chemical mechanical planarization (“CMP”) slurries and polishingbusiness, CMP pads businesses, as well as the KMGbusiness, and electronic chemicals business. The Performance Materials segment includes KMG’s heritageconsists of our pipeline performance and industrial materials (“PIM”) business, wood treatment businesses,business, and our heritage QED Technologies International, Inc. (“QED”) business. For additional information, refer to Item 1 of Part I of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.
The unaudited Consolidated Financial Statements have been prepared by Cabot MicroelectronicsCMC pursuant to the rules of the Securities and Exchange Commission ("SEC"(“SEC”) and accounting principles generally accepted in the United States of America ("(“U.S. GAAP"GAAP” or "GAAP"“GAAP”). for interim financial information. Accordingly, they do not include all the information and notes required by GAAP for complete financial statements. In the opinion of management, these unaudited Consolidated Financial Statements include all adjustments, consisting of normal recurring adjustments, necessary for the fair statement of Cabot Microelectronics’CMC’s financial position, as of June 30, 2020, cash flows, for the nine months ended June 30, 2020 and June 30, 2019, and results of operations for the three and nine months ended June 30, 2020 and June 30, 2019.periods presented. The Consolidated Balance Sheets as of September 30, 2019 were derived from audited financial statements. The results of operations for the three and nine months ended June 30, 2020 may not be indicative of the results tothat may be expected for future periods, including the fiscal year ending September 30, 2020.2021. This Report on Form 10-Q does not contain all of the note disclosures from our annual financial statements and should be read in conjunction with the Consolidated Financial Statements and related notes thereto included in our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.2020.
The Consolidated Financial Statements include the accounts of Cabot MicroelectronicsCMC and its subsidiaries. All intercompany transactions and balances between the companies have been eliminated.
USE OF ESTIMATESIn the Consolidated Statements of Cash Flows of this Report on Form 10-Q, the presentation for the Provision for credit losses and the presentation for Repurchases of common stock under Cash flows from financing activities has been updated for the six months ended March 31, 2020 to conform to the current presentation. The amounts for that fiscal year related to the Provision for credit losses is now presented under “Other” and common shares withheld for taxes and included in Repurchases of common stock previously, is now presented separately under “Repurchases of common stock withheld for taxes.”
Use Of Estimates
The preparation of financial statements and related disclosures in conformity with U.S. GAAP requires management to make judgments, assumptions and estimates that affect the amounts reported in the consolidated financial statements and accompanying notes. The accounting estimates that require management's most challenging and subjective judgments include, but are not limited to, those estimates related to impairment of long-lived assets, business combinations, asset retirement obligations, goodwill, other intangible assets, income taxes and contingencies. We base our estimates on historical experience, current conditions and on various other assumptions that we believe are reasonable under the circumstances. However, future events are subject to change and estimates and judgments routinely require adjustment. Actual results may differ from these estimates under different assumptions or conditions.

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2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND RECENT ACCOUNTING PRONOUNCEMENTS
Significant Accounting Policies and Estimates
There have been no material changes except for those disclosed below, made to the Company’s significant accounting policies disclosed in Note 2 of "Notes to the Consolidated Financial Statements" included in Item 8 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.2020.
Recently Adopted Accounting Pronouncements
In February 2016, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU"(“ASU”) No. 2016-02, “Leases” (ASC 842) to change the criteria for recognizing leasing transactions. The provisions of this guidance require a lessee to recognize a right of use asset and a corresponding lease liability for operating leases. Under this guidance, rental expense for operating leases, continues to be recognized on a straight-line basis over the non-cancelable lease term. As of October 1, 2019, the Company began applying the provisions of this standard prospectively for all lease transactions as of and after the effective date. Upon adoption, the Company recorded a lease liability of $30,881 and a right of use asset of $30,115. The difference between the right of use asset and lease liability primarily relates to deferred rent recorded prior to adoption. The new guidance did not have a material impact on our results of operations or cash flows for the three and nine months ended June 30, 2020. Refer to Note 11 of this Report on Form 10-Q for additional information regarding the Company’s lease transactions.
In February 2018, the FASB issued ASU No. 2018-02 “Income Statement – Reporting Comprehensive Income” (Topic 220). The amendments in this standard allow for an optional one-time reclassification of the stranded tax effects resulting from the change in the U.S. federal corporate income tax rate under the Tax Cuts and Jobs Act (the "Tax Act") from Accumulated other comprehensive income to Retained earnings. The Company adopted this standard effective October 1, 2019, which resulted in an increase of $488 to both Retained earnings and Accumulated other comprehensive loss.
Accounting Pronouncements Issued But Not Yet Adopted
In June 2016, the FASB issued ASU No. 2016-13, “Measurement of Credit Losses on Financial Instruments” (Topic 326). This standard and subsequent amendments, requires financial assets measured at amortized cost to be presented at the net amount expected to be collected using an allowance account. ASU 2016-13 alsoaccount and provides that credit losses relating to available-for-sale debt securities should be recorded through an allowance for credit losses. The guidanceCompany adopted these standards effective October 1, 2020 using the modified retrospective approach, which did not impact our results of operations or financial condition. Upon adoption, no adjustment was amendedmade to retained earnings or the Allowance for credit losses at October 1, 2020.
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The Company is exposed to credit losses primarily through various ASU's subsequent to ASU 2016-13, all of which will be effectivetrade receivables for the sales of the Company’s products. The Company’s expected credit loss allowance for trade receivables is developed using historical credit loss experience and current and future economic and market conditions. The Company beginning October 1, 2020. We are assessingassesses credit risks for these trade receivables and groups them based on similar risk to determine the impactexpected credit loss allowance. Due to the short-term nature of this guidancethe Company’s trade receivables, the estimate of the expected credit loss allowance is mainly based on historical experience, accounts receivable balances, and currently do not expect it to have a material impact.the financial condition of customers.
In August 2018, the FASB issued ASU No. 2018-13 “Fair Value MeasurementMeasurement” (Topic 820): Disclosure Framework—Changes to the Disclosure Requirements for Fair Value Measurement”. The ASUMeasurement, provides specific guidance on various disclosure requirements in Topic 820, including removal, modification and addition to current disclosure requirements. ASU 2018-13 will beThe Company adopted this standard effective for us beginning October 1, 2020. We are finalizing the impact of this standard on our disclosures and do2020, which did not expect the adoption to have a material impact.impact on our financial statement disclosures.
In December 2019,ASU No. 2018-15 “Intangibles—Goodwill and Other—Internal-Use Software” (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract, requires a customer in a hosting arrangement that is a service contract to follow the FASB issued guidance in Subtopic 350-40 to determine which implementation costs to capitalize as an asset or expense related to the service contract. The Company adopted this standard effective October 1, 2020, which did not have a material impact on our results of operations or financial condition.
Accounting Pronouncements Issued But Not Yet Adopted
ASU No. 2019-12 “Income TaxesTaxes” (Topic 740): Simplifying the Accounting for Income Taxes”. The ASUTaxes, was issued to simplify Topic 740 through improving consistency and removing certain exceptions to general principles. ASU 2019-12 will be effective for us beginning October 1, 2021. We are currently evaluating the impact of implementing this standard on our financial statements.
In March 2020, the FASB issued ASU No. 2020-04 "Reference Rate ReformReform” (Topic 848) - Facilitation of the Effects of Reference Rate Reform on Financial Reporting.Reporting, The standard provides optional guidance for accounting for contracts, hedging relationships, and other transactions affected by the reference rate reform, if certain criteria are met. The provisions of this standard are available for election through December 31, 2022. We are currently evaluating the impact of the reference rate reform on our contracts and the resulting impact of adopting this standard on our financial statements.

3.  REVENUE FROM CONTRACTS WITH CUSTOMERS
Disaggregated Revenue
The Company disaggregates revenue by product area and segment as it best depicts the nature and amount of the Company’s revenue. See Note 1816 of this Report on Form 10-Q for more information.
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Contract Balances
The following table provides information about contract liability balances:
June 30, 2020September 30, 2019Consolidated Balance Sheet LocationMarch 31, 2021September 30, 2020
Contract liabilities (current)Contract liabilities (current)$9,410  $5,008  Contract liabilities (current)Accrued expenses, income taxes payable and other current liabilities$6,660 $8,501 
Contract liabilities (noncurrent)Contract liabilities (noncurrent)1,019  1,130  Contract liabilities (noncurrent)Other long-term liabilities1,807 1,288 
At June 30, 2020, the current portion of contract liabilities of $9,410 is included in Accrued expenses, income taxes payable and other current liabilities, and the non-current portion of $1,019 is included in Other long-term liabilities in the Consolidated Balance Sheets.  The amount of revenue recognized during the three and ninesix months ended June 30, 2020March 31, 2021 that was included in the opening current contract liability balances in our Performance Materials segment were $400was $1,256 and $3,427,$3,709, respectively, and $769 and $3,027 for the three and six months ended March 31, 2020, respectively. The amount of revenue recognized during the three and ninesix months ended June 30,March 31, 2021 and 2020 that was included in our opening contract liability balances in our Electronic Materials segment was not material.
Transaction Price Allocated to Remaining Performance Obligations
The table below discloses (1) the aggregate amount of the transaction price allocated to performance obligations that are unsatisfied (or partially unsatisfied)or wholly unsatisfied as of the end of the reporting period for contracts with an original duration of greater than one year and (2) when the Company expects to recognize this revenue.
Less Than 1 Year1-3 YearsTotal
Revenue expected to be recognized on contract liability amounts as of June 30, 2020$1,426  $1,019  $2,445  
Less Than 1 Year1-3 YearsTotal
Revenue expected to be recognized on contract liability amounts as of March 31, 2021$532 $1,807 $2,339 

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4. BUSINESS COMBINATION
On the Acquisition Date, the Company completed the Acquisition and KMG’s results of operations have been included in our Consolidated Statements of Income and Consolidated Statements of Comprehensive Income (Loss) from that date. Refer to Note 4 of "Notes to the Consolidated Financial Statements" included in Item 8 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019 for additional information on the Acquisition.FAIR VALUE OF FINANCIAL INSTRUMENTS
The following unaudited supplemental pro forma information summarizesCompany is required to record certain assets and liabilities at fair value. The valuation methods used for determining the combined resultsfair value of operations for Cabot Microelectronics and KMGthese financial instruments by hierarchy are as if the Acquisition had occurred on October 1, 2017.follows:
Level 1Cash and cash equivalents consist of various bank accounts used to support our operations and investments in institutional money-market funds that are traded in active markets.
Other long-term investments represent the fair value of investments under our supplemental employee retirement plan ("SERP"). The fair value of the investments is determined through quoted market prices within actively traded markets.
Level 2Derivative financial instruments include foreign exchange contracts and an interest rate swap contract. The fair value of our derivative instruments is estimated using standard valuation models and market-based observable inputs over the contractual term, including one-month London Inter-bank Offered Rate ("LIBOR") based yield curves for the interest rate swap, and forward rates and/or the Overnight Index Swap curve for forward foreign exchange contracts, among others.
Level 3Nine Months Ended
June 30, 2019
Revenue$821,029 
Net income80,618 
Earnings per share - basic2.79 
Earnings per share - diluted2.74 No level 3 financial instruments
The following costs are included in the nine months ended June 30, 2019:
Non-recurring transaction costs of $1,568.
Non-recurring transaction-related employee costs, such as accelerated stock compensation expense, retention and severance expense of $283.
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The historical financial information has been adjusted by applying the Company’s accounting policies and giving effect to the pro forma adjustments, which consist of (i) amortization expense associated with identified intangible assets; (ii) depreciation of fixed asset step-up (for pre-Acquisition periods only); (iii) accretion of inventory step-up value; (iv) the elimination of Interest expense on pre-Acquisition KMG debt and replacement of Interest expense related to the Acquisition-related financing; (v) transaction-related costs; (vi) accelerated share-based compensation expense (pre-Acquisition periods only); (vii) retention and severance expense incurred as a direct result of the Acquisition; and (viii) an adjustment to tax-effect the aforementioned unaudited pro forma adjustments using an estimated weighted-average effective income tax rate of each entity and the jurisdictions to which the above adjustments relate. The pro forma consolidated results are not necessarily indicative of what the consolidated results actually would have been had the Acquisition been completed on October 1, 2017. The pro forma consolidated results do not purport to project future results of combined operations, nor do they reflect the expected realization of any revenue or cost synergies associated with the Acquisition.

5. FAIR VALUE OF FINANCIAL INSTRUMENTS
Fair value is defined as the price that would be received from the sale of an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date.  The FASB established a three-level hierarchy for disclosure based on the extent and level of judgment used to estimate fair value.  Level 1 inputs consist of valuations based on quoted market prices in active markets for identical assets or liabilities.  Level 2 inputs consist of valuations based on quoted prices for similar assets or liabilities, quoted prices for identical assets or liabilities in an inactive market, or other observable inputs.  Level 3 inputs consist of valuations based on unobservable inputs that are supported by little or no market activity.
The following table presents financial instruments, other than debt, that we measuredmeasure at fair value on a recurring basis at June 30, 2020 and September 30, 2019.basis. See Note 10 of this Report on Form 10-Q for a discussion of our debt. We have classified the following assets and liabilities in accordance with the fair value hierarchy set forth in the applicable standards. In instances where the inputs used to measure the fair value of an asset fall into more than one level of the hierarchy, we have classified themit based on the lowest-levellowest level input that is significant to the determination of the fair value. 
June 30, 2020Level 1Level 2Level 3Total Fair Value
Assets:
Cash and cash equivalents$354,708  $—  $—  $354,708  
Other long-term investments1,147  —  —  1,147  
Total assets$355,855  $—  $—  $355,855  
Liabilities:
Derivative financial instruments—  41,692  —  41,692  
Total liabilities$—  $41,692  $—  $41,692  

September 30, 2019Level 1Level 2Level 3Total Fair Value
Assets:
Cash and cash equivalents$188,495  $—  $—  $188,495  
Other long-term investments980  —  —  980  
Total assets$189,475  $—  $—  $189,475  
Liabilities:
Derivative financial instruments—  24,244  —  24,244  
Total liabilities$—  $24,244  $—  $24,244  

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Our cash and cash equivalents consist of various bank accounts used to support our operations and investments in institutional money-market funds that are traded in active markets. We invest only in AAA-rated, prime institutional money market funds, comprised of high quality, short-term fixed income securities. Our other long-term investments represent the fair value of investments under the Cabot Microelectronics Supplemental Employee Retirement Plan ("SERP"), which is a non-qualified supplemental savings plan. The fair value of the investments is determined through quoted market prices within actively traded markets. Although the investments are allocated to individual participants and investment decisions are made solely by those participants, the SERP is a non-qualified plan. Consequently, the Company owns the assets and the related offsetting liability for disbursement until such time as a participant makes a qualifying withdrawal. 
Our derivative financial instruments include foreign exchange contracts and an interest rate swap contract. The fair value of our derivative instruments is estimated using standard valuation models and market-based observable inputs over the contractual term, including one-month London Inter-bank Offered Rate ("LIBOR") based yield curves for the interest rate swap, and forward rates and/or the Overnight Index Swap curve for forward foreign exchange contracts, among others. We consider the risk of nonperformance, including counterparty credit risk, in the calculation of the fair value of derivative financial instruments.  See Note 12 of this Report on Form 10-Q for more information on our use of derivative financial instruments.
Level 1Level 2Level 3Total Fair Value
March 31, 2021September 30, 2020March 31, 2021September 30, 2020March 31, 2021September 30, 2020March 31, 2021September 30, 2020
Assets:
Cash and cash equivalents$324,836 $257,354 $$$$$324,836 $257,354 
Other long-term investments1,353 1,214 1,353 1,214 
Derivative financial instruments16,480 27 16,480 27 
Liabilities:
Derivative financial instruments3,323 38,157 3,323 38,157 

6.5. INVENTORIES
Inventories consisted of the following:
June 30, 2020September 30, 2019March 31, 2021September 30, 2020
Raw materialsRaw materials$64,028  $60,157  Raw materials$67,026 $66,591 
Work in processWork in process17,706  12,940  Work in process17,479 15,148 
Finished goodsFinished goods80,071  72,181  Finished goods77,266 77,395 
TotalTotal$161,805  $145,278  Total$161,771 $159,134 

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6. GOODWILL AND OTHER INTANGIBLE ASSETS
Goodwill activity for each of the Company’s reportable segments for the ninesix months ended June 30, 2020:March 31, 2021: 

Electronic MaterialsPerformance MaterialsTotal
Balance at September 30, 2019$352,797  $357,274  $710,071  
Foreign currency translation impact3,448  (844) 2,604  
Other—  1,205  1,205  
Balance at June 30, 2020$356,245  $357,635  $713,880  
Electronic MaterialsPerformance MaterialsTotal
Balance at September 30, 2020$360,425 $358,222 $718,647 
Foreign currency translation impact2,375 1,904 4,279 
Impairment(212,302)(212,302)
Balance at March 31, 2021$362,800 $147,824 $510,624 

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During the second quarter, the Company recorded impairment charges related to the PIM and Wood treatment reporting units within the Performance Materials segment. Our PIM reporting unit continues to be adversely impacted by the COVID-19 Pandemic (“Pandemic”). During the second quarter, as a result of lower than anticipated recovery combined with a near-to-mid term increase in raw material cost for the PIM business, we determined that it is more likely than not that the fair value of the PIM reporting unit is below its carrying value, requiring the PIM reporting unit to be tested for impairment at March 31, 2021. Based on the results of the interim impairment test, the Company concluded that the carrying value of the PIM reporting unit exceeded the estimated fair value and recognized a non-cash, pre-tax goodwill impairment charge of $201,550 for the three months ended March 31, 2021. The componentsremaining carrying value of otherthe PIM reporting unit as of March 31, 2021 of $593,114 includes $118,564 of goodwill and $46,000 of indefinite lived intangible assets are:
June 30, 2020September 30, 2019
Gross Carrying AmountAccumulated AmortizationGross Carrying AmountAccumulated Amortization
Other intangible assets subject to amortization:
Product technology, trade secrets and know-how$121,979  $45,722  $123,948  $37,993  
Acquired patents and licenses9,023  8,636  9,023  8,397  
Customer relationships, trade names, and distribution rights687,976  121,373  684,764  64,471  
Total other intangible assets subject to amortization818,978  175,731  817,735  110,861  
Other intangible assets not subject to amortization:
Other indefinite-lived intangibles*47,170  47,170  
Total other intangible assets not subject to amortization47,170  47,170  
Total other intangible assets$866,148  $175,731  $864,905  $110,861  
*Other indefinite-lived intangible assets not subject to amortization consist primarilyassets. The goodwill impairment charge is included in the Performance Materials segment and presented within Impairment charges and the related tax benefit of trade names.
Amortization expense was $20,788 and $64,166$23,539 for the three and ninesix months ended June 30, 2020, respectively,March 31, 2021 is included in the (Benefit from) provision for income taxes in the Consolidated Statements of Income (Loss).
In performing the impairment test, the estimated fair value of the PIM reporting unit, was determined based on an average of a discounted cash flow model and was $16,926a market approach based on earnings before interest, taxes, and $43,244depreciation for a group of guideline comparable companies. Key assumptions in estimating the fair value of the reporting unit included projected future revenue and gross margin, a 10.75% discount rate and a terminal growth rate of 3%. The Company’s projections for revenue and gross margin are based on the Company’s multiyear forecast. Components of the discount rate are the cost of equity and the cost of debt, each of which requires judgment by management to estimate. The Company developed its cost of equity estimate based on perceived risks and predictability of future cash flows. As the inputs for testing, including estimates of future revenue and gross margin, are not generally observable in active markets, the Company considers such measurements to be Level 3 measurements in the fair value hierarchy. The reporting unit’s carrying value used in an impairment test represents the assignment of various assets and liabilities, excluding certain corporate assets and liabilities, such as cash, investments, and debt. The Company estimated the fair value of its indefinite-lived intangible tradename utilizing its best estimate of future cash flows and royalty rate assumptions as of the period ending March 31, 2021.
Additionally, the Company recorded non-cash, pre-tax goodwill impairment charges of $6,671 and $10,752 for the three and ninesix months ended June 30, 2019, respectively. Estimated future amortization expenseMarch 31, 2021, related to the wood treatment asset group and reporting unit due to the planned closure of the facilities. See Note 7 of this Report on Form 10-Q for a discussion of the five succeeding fiscal years is as follows:
Fiscal YearEstimated
Amortization
Expense
Remainder of 2020$21,293  
202189,952  
202280,479  
202368,039  
202460,144  
wood treatment impairment.
We continue to actively monitor the industries in which we operate and our businesses' performance for indicators of potential impairment. We perform an impairment assessment of goodwill and other intangible assets at the reporting unit level annually, or more frequently if circumstances indicate that the carrying value may not be recoverable, such as with respect to our PIM reporting unit. If current global macroeconomic conditions related to the COVID-19 pandemic ("Pandemic")Pandemic persist and continue to adversely impact our Company, we may have future additional impairments of goodwill or other intangible assets. Potential future impairments could be material to the Company’s Consolidated Balance Sheets and to the Consolidated Statements of Income (Loss), but we do not expect them to affect the Company’s reported Net cash provided by operating activities.
During the fiscal year ended September 30, 2019, the Company recognized asset impairment charges
7. IMPAIRMENT - WOOD TREATMENT
As a result of $67,372 for the wood treatment asset group due to theour previously announced planned closure of the Company's wood treatment business'business’ facilities by approximately the end of calendar year 2021.2021 and the finite remaining cash flow through the closure date, the Company concluded that it is more likely than not that the fair value of the wood treatment reporting unit is below its carrying value, requiring the wood treatment asset group and reporting unit to be tested for impairment.
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Impairment of Long-Lived Assets
As a result of the previously announced planned facility closures by approximately the end of calendar year 2021, the Company adjusted the remaining useful lives such that they do not extend beyond such date. The Company continues to monitortested the recoverability of its long-lived assets and determined the carrying amount of the assets exceeded the sum of the expected undiscounted future cash flows, and as a result, we compared the fair value of the wood treatment asset group, which is alsowas determined based on a reporting unit,discounted cash flow model, to its carrying value. We recognized a non-cash pre-tax impairment charge of $3,266 for further indicators of long-lived asset and goodwill impairment and determined that as of June 30, 2020, the wood treatment business had a triggering event, which required interim impairment tests to be performed. For the quarter ended June 30,December 31, 2020 resulting in 0 remaining carrying value of definite-lived intangible assets or Property, plant and equipment as of that date. Key assumptions in testing the estimated future cash flowsassets for recoverability and development of the fair value of the asset group included projected future revenue and gross margin. As the inputs for testing recoverability, including estimates of future revenue and gross margin, are not generally observable in active markets, the Company considers such measurements to be Level 3 measurements in the fair value hierarchy. The duration of the reporting unit exceededfuture revenue and gross margin estimates are limited to the carrying value by approximately 8% and 1%, respectively, and there was 0 impairment recognized forperiod through the wood treatment asset group or reporting unit. closure date.
Impairment of Goodwill
The fair value of the wood treatment reporting unit, which was determined using an income approach based upon an estimate ofon a discounted future cash flowsflow model, did not exceed the carrying value of the business throughreporting unit. Key assumptions in our goodwill impairment test included projected future revenue and gross margin. As a result, the expected closure date. Company recorded non-cash, pre-tax impairment charges of $6,671 and $10,752 for the three and six months ended March 31, 2021, respectively.
As the Company approaches the closure date of the facilities and there are lowerfinite estimated future cash flows, it is probable that the carrying value of the wood treatment asset group and reporting unit will not be recoverable, resulting in future impairments.impairments of goodwill. The remaining carrying value of the wood treatment businessreporting unit as of March 31, 2021 includes $35 million and $8$24.3 million of goodwill, and intangible assets, respectively. Absent a sale ofwhich will be periodically impaired through the closure date, resulting in no fair value ascribed to the wood treatment business by the date of closure. The amount of the periodic impairments that we expectwill vary depending on the timing of the remaining future cash flows of the business and carrying value of the reporting unit at each reporting period.
Presentation of Impairment Charges
The long-lived assets and goodwill impairment charges, both included in the Performance Materials segment, are presented within Impairment charges and the related tax benefit of $606 for the six months ended March 31, 2021 is included in the (Benefit from) provision for income taxes in the Consolidated Statements of Income (Loss). The impairment charges related to recognizegoodwill are not tax deductible, therefore there is no related tax benefit for the three months ended March 31, 2021. The impairment charges for wood treatment for the respective periods are as we approachfollows:
Three Months Ended March 31, 2021Six Months Ended March 31, 2021
Property, plant, and equipment, net$$91 
Goodwill6,671 10,752 
Other intangible assets – Product technology583 
Other intangible assets – Acquired patents and licenses173 
Other intangible assets – Customer relationships, distribution rights, and other2,419 
Total wood treatment impairment charges$6,671 $14,018 
Additionally, the closure date could be material.Company recorded a non-cash, pre-tax goodwill impairment charge of $201,550 for the three and six months period ended March 31, 2021, related to the PIM reporting unit. See Note 6 of this Report on Form 10-Q for a discussion of the PIM impairment.

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8. OTHER LONG-TERM ASSETS
Other long-term assets consisted of the following:
June 30, 2020September 30, 2019March 31, 2021September 30, 2020
Long-term right of use asset$31,241  $—  
Long-term vendor contract assets3,346  1,164  
Long-term SERP investment1,147  980  
Right of use assetRight of use asset$30,570 $30,999 
Interest rate swap (See Note 11)Interest rate swap (See Note 11)16,464 
Vendor contract assetsVendor contract assets2,097 2,889 
SERP investmentSERP investment1,353 1,214 
Prepaid unamortized debt issuance cost - revolverPrepaid unamortized debt issuance cost - revolver580  709  Prepaid unamortized debt issuance cost - revolver451 537 
Other long-term assetsOther long-term assets3,182  2,858  Other long-term assets4,438 4,368 
TotalTotal$39,496  $5,711  Total$55,373 $40,007 

9. ACCRUED EXPENSES, INCOME TAXES PAYABLE AND OTHER CURRENT LIABILITIES
Accrued expenses, income taxes payable and other current liabilities consisted of the following:
June 30, 2020September 30, 2019March 31, 2021September 30, 2020
Accrued compensationAccrued compensation$43,414  $33,809  Accrued compensation$37,258 $46,465 
Income taxes payableIncome taxes payable16,954  15,725  Income taxes payable16,724 16,216 
Dividends payableDividends payable13,521  12,953  Dividends payable14,011 13,669 
Interest rate swap liability12,595  5,351  
Asset retirement obligationAsset retirement obligation11,951 
Current portion of operating lease liabilityCurrent portion of operating lease liability6,999 6,513 
Contract liabilities (current)Contract liabilities (current)9,410  5,008  Contract liabilities (current)6,660 8,501 
Current portion of operating lease liability6,313  —  
Current portion of terminated swap liability (See Note 11)Current portion of terminated swap liability (See Note 11)5,855 
Taxes, other than income taxesTaxes, other than income taxes5,720 5,044 
Goods and services received, not yet invoicedGoods and services received, not yet invoiced4,885  3,075  Goods and services received, not yet invoiced4,514 3,957 
Taxes, other than income taxes4,744  6,281  
Interest rate swap liability (See Note 11)Interest rate swap liability (See Note 11)2,976 11,992 
Accrued interestAccrued interest2,144  3,739  Accrued interest113 29 
KMG - Bernuth warehouse fire-related (See Note 13)866  7,998  
OtherOther11,553  9,679  Other10,727 9,056 
TotalTotal$126,399  $103,618  Total$123,508 $121,442 

10. DEBT
Total debt consisted of the following:
March 31, 2021September 30, 2020
Senior Secured Term Loan Facility, one-month LIBOR plus 2.00%$931,038 $936,363 
Less: Unamortized debt issuance costs(13,486)(14,949)
Total debt917,552 921,414 
Less: Current maturities and short-term debt(10,650)(10,650)
Total long-term debt excluding current maturities$906,902 $910,764 
June 30, 2020September 30, 2019
Senior Secured Term Loan Facility, one-month LIBOR plus 2.00% and one-month LIBOR plus 2.25%, respectively$941,688  $959,676  
Revolving Credit Facility, one-month LIBOR plus 1.50%150,000  —  
Total debt1,091,688  959,676  
Less: Unamortized debt issuance costs(15,684) (17,900) 
Total debt, excluding unamortized debt issuance costs1,076,004  941,776  
Less: Current maturities and short-term debt(163,313) (13,313) 
Total long-term debt excluding current maturities$912,691  $928,463  
During the first quarter of fiscal year 2020, the Company amended itsThe Company’s credit agreement ("(“Amended Credit Agreement"Agreement”) to reduce the interest rate on term loan borrowings, which are defined as theincludes a Senior Secured Term Loan Facility under the Amended Credit Agreement ("Term Loan Facility"). Term Loan Facility borrowings under the Amended Credit Agreement bear an interest rate equal to, at the Company's option, either (a) and a LIBOR, subject to a 0.00% floor, or (b) a base rate in each case, plus an applicable margin of 2.00% for LIBOR loans and 1.00% for base rate loans.
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During the second quarter of fiscal year 2020, the Company drew $150.0 million under the Amended Credit Agreement's revolving credit facility ("(“Revolving Credit Facility"Facility”) as a precautionary measure in order to increase its cash position and preserve financial flexibility in light of uncertain global economic conditions resulting from the Pandemic. The Revolving Credit Facility borrowing remains outstanding as of June 30, 2020.. As of June 30, 2020, our available creditMarch 31, 2021, there was 0 borrowings outstanding under the Revolving Credit Facility and our available credit was $50,000,$200,000, which includes our letter of credit sub-facility. The interest rate on the Revolving Credit Facility is either (a) a LIBOR, subject to a 0.00% floor, or (b) a base rate in each case, plus an applicable margin of 1.50% for LIBOR loans and 0.50% for base rate loans. The applicable margin for borrowings under the Revolving Credit Facility varies depending on the Company’s first lien secured net leverage ratio. Borrowings under the Revolving Credit Facility are classified as short-term debt and the proceeds are included in Cash and cash equivalents in the Company's Consolidated Balance Sheet as of June 30, 2020.
At June 30, 2020March 31, 2021 and September 30, 2019,2020, the fair value of the Term Loan Facility, using level 2 inputs, approximated its carrying value as the loan bears a floating market rate of interest. Due to the short-term nature of the borrowing under the Revolving Credit Facility, its carrying value approximates fair value.
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As of June 30, 2020,March 31, 2021, scheduled principal repayments of the Term Loan Facility were:were as follows:
Fiscal YearFiscal YearPrincipal RepaymentsFiscal YearPrincipal Repayments
Remainder of 2020$5,325  
202110,650  
Remainder of 2021Remainder of 2021$5,325 
2022202210,650  202210,650 
2023202310,650  202310,650 
2024202410,650  202410,650 
2025202510,650 
Greater than 5 yearsGreater than 5 years893,763  Greater than 5 years883,113 
TotalTotal$941,688  Total$931,038 

11. LEASES
Effective October 1, 2019, the Company adopted the new lease accounting guidance which requires the recognition of a right of use asset and a corresponding lease liability for operating leases. As part of the adoption, the Company elected to apply provisions of the guidance to operating leases with terms of more than twelve months for all lease classes except for real estate leases for which the guidance is applied to all leases. Additionally, the Company elected to account for non-lease components and lease components together as a single lease component for all asset classes. The Company’s lease transactions primarily consist of leases for facilities, equipment and vehicles under operating leases. The Company does not have any material finance leases. The weighted average remaining lease term for operating leases included in the lease liability was approximately six years as of June 30, 2020. Certain of the Company’s leases have an option to extend the lease term and the renewal period is included in determining the lease term for leases where the renewal option is reasonably certain to be exercised.
Total lease cost for the Company for the three months ended June 30, 2020 was $2,221, which included $1,868 related to operating lease cost and $353 related to short-term and variable lease costs. Total lease cost for the Company for the nine months ended June 30, 2020 was $7,027, which included $5,754 related to operating lease cost and $1,273 related to short-term and variable lease costs. The weighted average discount rate for operating leases as of June 30, 2020 was 3.06%, and was determined based on the secured incremental borrowing rate of the Company and its subsidiaries as the implicit rate is not readily determinable.
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Future maturities of operating lease liabilities for the years ended September 30 are as follows:
Fiscal YearAmount
Remainder of 2020$1,865  
20216,709  
20226,234  
20235,263  
20244,179  
2025 and future years11,626  
Total future lease payments35,876  
Less: Imputed interest3,197  
Operating lease liability32,679  
Less: Current portion of operating lease liability6,313  
Long-term portion of operating lease liability recorded in Other long-term liabilities$26,366  

As of September 30, 2019, minimum lease payments under operating leases with noncancelable terms in excess of one are as follows:
Fiscal YearAmount
2020$6,984  
20214,941  
20224,291  
20234,122  
20243,710  
Thereafter12,010  
Total future minimum lease payments$36,058  

12. DERIVATIVE FINANCIAL INSTRUMENTS
We are exposed to various market risks, including risks associated with interest rates and foreign currency exchange rates.  We enter into certain derivative transactions to mitigate the volatility associated with these exposures. We have policies in place that define acceptable instrument types we may enter into and we have established controls to limit our market risk exposure.  We do not use derivative financial instruments for trading or speculative purposes.  In addition, all derivatives, whether designated in hedging relationships or not, are required to be recorded on the Consolidated Balance Sheets at fair value on a gross basis.
Cash Flow Hedges - Interest Rate Swap Contract
During the secondfirst quarter of fiscal 2019, we2021, the Company entered into a new interest rate swap agreement to extend the duration of its existing swap arrangement and to take advantage of lower interest rates. The existing interest rate swap, which was in a loss position of $35.3 million, was terminated, and the hedging relationship was de-designated. The liability for the terminated interest rate swap is not measured at fair value. The current and long-term portion of the liability for the terminated swap are recorded in Accrued expenses, income taxes payable and other current liabilities and Other long-term liabilities, respectively, on the Consolidated Balance Sheet and will be paid over the remaining term of the new swap. The loss amount for the terminated swap is included in Accumulated other comprehensive loss and will be amortized on a straight-lined basis into interest expense through January 31, 2024, the remaining term of the original swap.
The new interest rate swap is a floating-to-fixed interest rate swap contract to hedge the variability in LIBOR-based interest payments on a portion of our outstanding variable rate debt. As of June 30, 2020, theThe notional value of the interest rate swap was $652,000. This valueamount is scheduled to decrease bi-annuallyquarterly and will expire on January 31, 2024.
We have29, 2027. The new interest rate swap was designated this swap contract as a cash flow hedge.  Basedhedge based on certain quantitative and qualitative assessments and we have determined that the hedge is highly effective and qualifies for hedge accounting.  Accordingly, unrealized gains and losses on the hedge are recorded in other comprehensive income.  Realized gains and losses are recorded on the same financial statement line as the hedged item, which is Interest expense.
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Foreign Currency Contracts Not Designated as Hedges
On a regular basis, weWe enter into forward foreign exchange contracts in an effort to mitigate the risks associated with currency fluctuations on certain foreign currency balance sheet exposures. These foreign exchange contracts do not qualify for hedge accounting; therefore, the gains and losses resulting from the impactaccounting.
The notional amount of currency exchange rate movements on our forward foreign exchange contractsderivative instruments are recognized as Other income (expense), net in the accompanying Consolidated Statements of Income in the period in which the exchange rates change.  As of June 30, 2020 and September 30, 2019, the notional amounts of the forward contracts we held to purchase U.S. dollars in exchange for foreign currencies were $6,419 and $6,239, respectively, and the notional amounts of forward contracts we held to sell U.S. dollars in exchange for foreign currencies were $26,800 and $24,270, respectively.follows:
March 31, 2021September 30, 2020
Derivatives designated as hedging instruments
Interest rate swap contract - new agreement$558,405 $— 
Interest rate swap contract - terminated agreement— 571,000 
Derivatives not designated as hedging instruments
Foreign exchange contracts to purchase U.S. dollars$5,988 $8,054 
Foreign exchange contracts to sell U.S. dollars30,450 25,105 

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The fair value of our derivative instruments included in the Consolidated Balance Sheets was as follows:
Derivative AssetsDerivative Liabilities
Consolidated Balance Sheet LocationJune 30, 2020September 30, 2019June 30, 2020September 30, 2019
Derivatives designated as hedging instruments
Interest rate swap contractAccrued expenses, income taxes payable and other current liabilities$—  $—  $12,595  $5,351  
Other long-term liabilities$—  $—  $28,832  $18,841  
Derivatives not designated as hedging instruments
Foreign exchange contractsAccrued expenses, income taxes payable and other current liabilities$—  $—  $265  $52  

Derivative AssetsDerivative Liabilities
Consolidated Balance Sheet LocationMarch 31, 2021September 30, 2020March 31, 2021September 30, 2020
Derivatives designated as hedging instruments
Interest rate swap contractOther long-term assets$16,464 $$$
Accrued expenses, income taxes payable and other current liabilities2,976 11,992 
Other long-term liabilities26,000 
Derivatives not designated as hedging instruments
Foreign exchange contractsPrepaid expenses and other current assets$16 $27 $$
Accrued expenses, income taxes payable and other current liabilities347 165 
The following table summarizes the effect of our derivative instruments on our Consolidated Statements of Income for(loss):
Gain (Loss) Recognized in Statement of Income
Three Months Ended March 31,Six Months Ended March 31,
Consolidated Statement of Income Location2021202020212020
Derivatives designated as hedging instruments
Interest rate swap contractInterest expense$(809)$(1,366)$(3,254)$(2,537)
Terminated interest rate swap contractInterest expense(2,786)(3,715)
Derivatives not designated as hedging instruments
Foreign exchange contractsOther income (expense), net$(759)$(268)$(637)$(262)
The following table summarizes the three and nine months ended June 30, 2020 and 2019:effect of our derivative instruments on Accumulated other comprehensive income (loss):
Gain (Loss) Recognized in Statement of IncomeAmount of Gain (Loss) Recognized in Other Comprehensive Income (Loss)
Three Months Ended June 30,Nine Months Ended June 30,Three Months Ended March 31,Six Months Ended March 31,
Consolidated Statement of Income Location20202019202020192021202020212020
Derivatives designated as hedging instrumentsDerivatives designated as hedging instrumentsDerivatives designated as hedging instruments
Interest rate swap contractInterest rate swap contractInterest expense$(3,262) $39  $(5,799) $40  Interest rate swap contract$19,361 $(23,655)$12,912 $(19,340)
Derivatives not designated as hedging instruments
Foreign exchange contractsOther income (expense), net$(128) $(29) $(390) $(67) 

We recorded an unrealized loss of $2,868 and $17,885, net of tax, in Accumulated other comprehensive income during the three and nine months ended June 30, 2020, respectively, for the interest rate swap.  As of June 30, 2020, during the next twelve months, we expect approximately $12,595$14,120 to be reclassified from Accumulated other comprehensive income (loss) into Interest expense during the next twelve months related to our interest rate swap based on projected rates of the LIBOR forward curve as of June 30, 2020.March 31, 2021. This amount includes the amortization of the loss associated with the terminated swap arrangement.

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13.12. COMMITMENTS AND CONTINGENCIES
LEGAL PROCEEDINGS AND OTHER CONTINGENCIES
We periodically become a party to legal proceedings, arbitrations, and regulatory proceedings (“contingencies”) arising in the ordinary course of our business operations. The ultimate resolution of these contingencies is subject to significant uncertainty, and should we fail to prevail in any of them or should several of them be resolved against us in the same reporting period, these matters could, individually or in the aggregate, be material to our consolidated financial statements. One of these contingencies, related to Star Lake Canal, which we assumed in connection with the Acquisition, is discussed below. The ultimate outcome of these matters, however, cannot be determined at this time, nor can the amount of any potential loss be reasonably estimated, and as a result except where indicated no amounts have been recorded in our consolidated financial statements.  The Company records legal costs associated with loss contingencies as expenses in the period in which they are incurred.
On May 31,In 2019, a fire occurred at the warehouse of the wood treatment facility of KMG’sour subsidiary KMG-Bernuth, Inc (“KMG-Bernuth”), in Tuscaloosa, Alabama, which processes pentachlorophenol ("penta"(“penta”) for sale to customers in the United StatesU.S. and Canada. The warehouse fire, which we believe originated from non-hazardous waste materials temporarily stored in the warehouse for recycling purposes, caused no injuriesinjuries. KMG-Bernuth commenced and was extinguished in less than an hour. Company personnel investigated the incident, and KMG-Bernuth commencedcompleted cleanup with oversight from certain local, state and federal authorities. The carrying value of the warehouse and the affected inventory are not material. Applying the accounting guidance under ASC 410-30, Environmental Obligations and ASC 450, Contingencies, we determined that since we have environmental obligations as of the date of the fire, costsWe recorded expense for the fire waste cleanup and disposal should be recognized toof affected inventory in Cost of sales. NaN expense was recorded during the extent they are probable and reasonably estimable.six months ended March 31, 2021. We recorded expense$593 of $9,494 in fiscal year 2019 and $1,688expense during the ninesix months ended June 30, 2020, of which $866 remains accrued as a loss contingency. These disposal costs were charged to Cost of sales.March 31, 2020. Although we believe we have completed cleanup efforts related to the fire incident, and the assessment of materials in the warehouse that had been impacted by the incident, there are potential additional disposal and other costs that cannot be reasonably estimated as of this time related to these materialsthe fire incident due to the nature of federally-regulated penta-related requirements. We incurred significant fire waste cleanup and disposal costs and certain other costs related to the assessment of the impacted warehouse material due to these requirements, and we may incur additional significant disposal costs related to such materials. We intend to continue to update the estimated losses as new information becomes available.
In addition, we are workingcontinue to work with our insurance carriers on possible recovery of losses and costs related to the fire incident. WeDuring the three and six months ended March 31, 2021, we received $468 ofan insurance recovery during the three months ended June 30, 2020 which was recorded in Cost of sales.$1,076. At this point we cannot reasonably estimate whether we will receive any additional insurance recoveries, or if so, the amount of any such recoveries. As such, no additional insurance recoveries have been recognized as of June 30, 2020.
Separately, in connection with the acquisition of KMG Chemicals, Inc. (“Acquisition”), through KMG-Bernuth, we assumed a contingency related to the Star Lake Canal Superfund Site near Beaumont, Texas (“Star Lake”). In 2014, prior to the Acquisition, the United States Environmental Protection Agency (“EPA”) had notified KMG-Bernuth that the EPA considered it to be a potentially responsible party under the Comprehensive Environmental Response, Compensation and Liability Act of 1980, as amended, by virtue of its relationship with certain alleged predecessor companies, including Idacon, Inc (f/k/a Sonford Chemical Company) in connection with the Star Lake Canal Superfund Site near Beaumont, Texas.Lake. The EPA has estimated that therelated remediation will cost approximately $22.0 million. KMG-Bernuth and approximately 7 other cooperating parties entered into an agreement with the EPA in September 2016 to complete a remedial design phase of the remediation ofactions for the site. Although KMG-Bernuth has not conceded liability with respect to Star Lake, a reserve in connection with the remediation was established, and as of March 31, 2021, the reserve remaining was $204. The remediation work will be performed under a separate future agreement. Although KMG-Bernuth has not conceded liability, a reserve in connection with the remedial design was established, and as of June 30, 2020, the reserve remaining was $553.
We also may face other governmental or third-party claims, or otherwise incur costs, relating to cleanup of, or for injuries resulting from, contamination at sites associated with this or other past and present operations. We accrue for environmental liabilities when a determination can be made that they are probable and reasonably estimable. Other than as described herein, we are not involved in any legal proceedings that we believe could have a material impact on our consolidated financial position, results of operations or cash flows.
In addition, our Company is subject to extensive federal, state and local laws, regulations and ordinances in the United States and in other countries. These regulatory requirements relate to the use, generation, storage, handling, emission, transportation and discharge of certain hazardous materials, substances and waste into the environment.  The Company, including its KMG entities, manage Environmental, Health and Safety (“EHS”) matters related to protection of the environment and human health, the cleanup of contaminated sites, the treatment, storage and disposal of wastes, and the emission of substances into the air or waterways, among other EHS concerns.  Governmental authorities can enforce compliance with their regulations, and violators may be subject to fines, injunctions or both. The Company devotes significant financial resources to compliance, including costs for ongoing compliance.
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Certain licenses, permits and product registrations are required for the Company’s products and operations in the United States, Mexico and other countries in which it does business. The licenses, permits and product registrations are subject to revocation, modification and renewal by governmental authorities.  In the United States in particular, producers and distributors of penta, which is a product manufactured and sold by KMG-Bernuth as part of the wood treatment business, are subject to registration and notification requirements under the Federal Insecticide, Fungicide and Rodenticide Act (“FIFRA”) and comparable state law in order to sell this product in the United States. Compliance with these requirements may have a significant effect on our business, financial condition and results of operations.
We are subject to contingencies, including litigation relating to EHS laws and regulations, commercial disputes and other matters. Certain of these contingencies are discussed above and below. The ultimate resolution of these contingencies is subject to significant uncertainty, and should we fail to prevail in any of them or should several of them be resolved against us in the same reporting period, these matters could, individually or in the aggregate, be material to the consolidated financial statements. The ultimate outcome of these matters cannot be determined at this time, nor can the amount of any potential loss be reasonably estimated, and as a result except where indicated no amounts have been recorded in our consolidated financial statements.
INDEMNIFICATION
In the normal course of business, we are a party to a variety of agreements pursuant to which we may be obligated to indemnify the other party with respect to certain matters. Generally, these obligations arise in the context of agreements entered into by us, under which we customarily agree to hold the other party harmless against losses arising from items such as a breach of certain representations and covenants including title to assets sold, certain intellectual property rights and certain environmental matters. These terms are common in the industries in which we conduct business. In each of these circumstances, payment by us is subject to certain monetary and other limitations and is conditioned on the other party making an adverse claim pursuant to the procedures specified in the particular agreement, which typically allow us to challenge the other party's claims.
We evaluate estimated losses for such indemnifications under the accounting standards related to contingencies and guarantees. We consider such factors as the degree of probability of an unfavorable outcome and the ability to make a reasonable estimate of the amount of loss. To date, we have not experienced material costs as a result of such obligations and, as of June 30, 2020, have not recorded any liabilities related to such indemnifications in our financial statements as we do not believe the likelihood of such obligations is probable.
POSTRETIREMENT OBLIGATIONS IN FOREIGN JURISDICTIONS
We have defined benefit plans covering employees in certain foreign jurisdictions as required by local law that are unfunded. Net service costs are recorded as fringe benefit expense under Cost of sales and Operating expenses, and all other costs are recorded in the Other income (expense), net in our Consolidated Statements of Income.  The projected benefit obligations and accumulated benefit obligations under all such unfunded plans are updated annually during the fourth quarter of our fiscal year. Benefit payments under all such unfunded plans to be paid over the next ten years are expected to be approximately $7,872.  For more information, regarding these plans, refer to Note 20 of “Notes to the Consolidated Financial Statements” included in Item 8 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.
PURCHASE OBLIGATIONS2020.
Purchase obligations include take-or-pay arrangements with suppliers, and purchase orders and other obligations entered into in the normal course of business regarding the purchase of goods and services.  Obligations
We have been operating$13,820 of contractual commitments under an abrasive particle supply agreement with Cabot Corporation, our former parent company which is not a related party, the current term of which now runs through December 2022.  As of June 30, 2020, purchase obligations include $24,729 of contractual commitments related to this agreement. In addition, we have a purchase commitment of $7,863 to purchase non-water based carrier fluid.

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14.13. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
The table below summarizes the components of Accumulated other comprehensive income (loss) (AOCI), net of Provision for income taxes/tax expense (benefit), for the three and nine months ended June 30, 2020 and 2019::
Three Months Ended June 30,Nine Months Ended June 30,Three Months Ended March 31,Six Months Ended March 31,
20202019202020192021202020212020
Beginning BalanceBeginning Balance$(40,648) $(502) $(23,238) $4,539  Beginning Balance$5,135 $(3,616)$(14,104)$(23,238)
Foreign currency translation adjustmentForeign currency translation adjustment9,048  3,284  5,113  4,696  Foreign currency translation adjustment(13,763)(19,752)7,780 (3,935)
Income taxes38  (585) 99  (564) 
Income tax (expense) benefitIncome tax (expense) benefit(52)27 30 61 
Foreign currency translation adjustment, net of taxForeign currency translation adjustment, net of tax9,086  2,699  5,212  4,132  Foreign currency translation adjustment, net of tax(13,815)(19,725)7,810 (3,874)
Unrealized gain loss on cash flow hedges:Unrealized gain loss on cash flow hedges:Unrealized gain loss on cash flow hedges:
Change in fair valueChange in fair value(3,694) (11,635) (23,034) (19,987) Change in fair value19,361 (23,655)12,912 (19,340)
Reclassification adjustment into earningsReclassification adjustment into earnings3,262  (39) 5,799  (40) Reclassification adjustment into earnings3,595 1,366 6,969 2,537 
Income taxes98  2,630  3,853  4,509  
Unrealized loss on cash flow hedges, net of tax(334) (9,044) (13,382) (15,518) 
Income tax (expense) benefitIncome tax (expense) benefit(5,140)4,982 (4,451)3,755 
Unrealized gain (loss) on cash flow hedges, net of taxUnrealized gain (loss) on cash flow hedges, net of tax17,816 (17,307)15,430 (13,048)
Effect of the adoption of the stranded tax effect accounting standardEffect of the adoption of the stranded tax effect accounting standard—  —  (497) —  Effect of the adoption of the stranded tax effect accounting standard(497)
Income taxes—  —   —  
Income tax benefitIncome tax benefit
Effect of the adoption of the stranded tax effect accounting standard, net of taxEffect of the adoption of the stranded tax effect accounting standard, net of tax—  —  (488) —  Effect of the adoption of the stranded tax effect accounting standard, net of tax(488)
Net ChangeNet Change8,752  (6,345) (8,658) (11,386) Net Change4,001 (37,032)23,240 (17,410)
Ending BalanceEnding Balance$(31,896) $(6,847) $(31,896) $(6,847) Ending Balance$9,136 $(40,648)$9,136 $(40,648)

The before tax amount reclassified from AOCI to Net income during the three and nine months ended June 30, 2020 and 2019, related to cash flow hedges, were recorded as Interest expense on our Consolidated Statements of Income.
During the first quarter of fiscal 2020, the Company adopted ASU No. 2018-02 regarding the reclassification of stranded tax effects resulting from the change in the U.S. federal corporate income tax rate under the Tax Cuts and Jobs Act (the “Tax Act”) and as a result, we reclassified $488 of stranded tax effects from Accumulated other comprehensive income to Retained earnings.

15. SHARE-BASED COMPENSATION PLANS
We issue share-based awards under the following programs: our Cabot Microelectronics Corporation 2012 Omnibus Incentive Plan, as amended effective March 7, 2017 ("OIP"); our Cabot Microelectronics Corporation 2007 Employee Stock Purchase Plan, as Amended and Restated January 1, 2010 ("ESPP"); and, pursuant to the OIP, our Directors' Deferred Compensation Plan, as amended September 23, 2008, and our 2001 Executive Officer Deposit Share Program.  In March 2017, our stockholders approved the material terms of performance-based awards under the OIP for purposes of complying with Section 162(m) of the Internal Revenue Code of 1986, as amended. 
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We record share-based compensation expense for all share-based awards, including stock option grants, and restricted stock, restricted stock unit ("RSU") and performance share unit ("PSU") awards, and ESPP purchases.  We calculate share-based compensation expense using the straight-line approach based on awards ultimately expected to vest, which requires the use of an estimated forfeiture rate.  Our estimated forfeiture rate is primarily based on historical experience, but may be revised in future periods if actual forfeitures differ from the estimate.  We use the Black-Scholes option-pricing model to estimate the grant date fair value of our stock options and ESPP purchases.  This model requires the input of highly subjective assumptions, including the price volatility of the underlying stock, the expected term of our stock options, expected dividend yield and the risk-free interest rate.  We estimate the expected volatility of our stock options based on a combination of our stock's historical volatility and the implied volatilities from actively-traded options on our stock.  We calculate the expected term of our stock options using historical stock option exercise data, and for stock option grants made prior to December 2017, we have added a slight premium to this expected term for employees who meet the definition of retirement-eligible pursuant to their stock option grants during the contractual term of the grant.  As of December 2017, the provisions of stock option grants and RSU awards stated that, except in certain circumstances, including termination for cause, once an employee meets the retirement eligibility requirements, any remaining unvested share-based awards will continue to vest regardless of termination of service. Consequently, the requisite service period for the award is satisfied upon retirement eligibility. Therefore, we record the total share-based compensation expense upon award for those employees who have met the retirement eligibility at the grant date. The expected dividend yield represents our annualized dividend in dollars divided by the stock price on the date of grant.  The risk-free interest rate is derived from the U.S. Treasury yield curve in effect at the time of grant.
The PSUs that have been awarded may be subject to downward or upward adjustment depending on the total shareholder return achieved by the Company during the particular performance period related to the PSUs, relative to the total shareholder return of an established market index.  We use a third-party service provider to estimate the fair value of the PSUs at grant date by using a Monte Carlo simulation model. This model simulates the stock price movements of the Company and Index constituents using certain assumptions, including the stock price of the Company and index constituents, the risk-free interest rate and stock price volatility.  Subsequent to the Acquisition, the performance metrics of the PSUs awarded in December 2017 were modified to reflect the performance metrics expected due to the Acquisition for the post-Acquisition time period subject to the PSUs.
KMG awards granted subsequent to the entry into the definitive agreement for the Acquisition, but prior to the Acquisition Date, were converted to our RSUs (“Replacement Awards”), with vesting in 3 equal installments on the first three anniversaries of the original award date. If the recipient was terminated without cause or resigned with good reason during the 18 months following the Acquisition Date, the Replacement Award will have vested as of such termination date in a number of shares equal to 150% of the Replacement Award.
The share-based compensation expense of $3,253 related to the Replacement Awards, including accelerated vesting, for the first quarter of fiscal 2019 is included in the table below. The expense for the second and third quarters of fiscal 2019 as well as the first, second, and third quarters of fiscal 2020 included in the table below is not material.
Share-based compensation expense for the three and nine months ended June 30, 2020 and 2019, was as follows:
Three Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Cost of sales$625  $540  $2,154  $2,169  
Research, development and technical411  390  1,618  1,733  
Selling, general and administrative2,158  2,410  8,419  11,146  
Total share-based compensation expense3,194  3,340  12,191  15,048  
Tax benefit(609) (670) (2,380) (3,121) 
Total share-based compensation expense, net of tax$2,585  $2,670  $9,811  $11,927  

For additional information regarding our share-based compensation plans and the estimation of fair value, refer to Note 16 of "Notes to the Consolidated Financial Statements" included in Item 8 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.

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16.14. INCOME TAXES
The U.S. enacted the Consolidated Appropriations Act (“CAA”) in December 2020 and the American Rescue Plan (“Rescue Plan”) in March 2021. Both the CAA and Rescue Plan extend certain provisions of the Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”) was enacted byand provide new Pandemic relief provisions. As with the United States in March 2020. The CARES Act, includes provisions to support individualsthe CAA and businesses in the form of loans, grants, and tax changes, among other types of relief. The CARES ActRescue Plan did not have a material impact on our Provision(Benefit for) provision for income taxes for the three and ninesix months ended June 30,March 31, 2021.
As a result of Impairment charges recorded during the quarter, the Company recorded an income tax benefit of $16,109 for the three months ended March 31, 2021, compared to income tax expense of $7,144 for the three months ended March 31, 2020. We have not taken any loans or grants pursuantThe Company recorded an income tax benefit of $8,563 for the six months ended March 31, 2021, compared to income tax expense of $18,025 for the CARES Act or other United States Pandemic-related legislation.
six months ended March 31, 2020. The Company’s effective income tax rate was 27.0%9.7% and 22.5%6.8% for the three and ninesix months ended June 30, 2020,March 31, 2021, respectively, compared to an effective income tax rate of 52.1%17.8% and 36.9%20.1% for the three and ninesix months ended June 30, 2019,March 31, 2020, respectively. The decreasechanges in our effective tax rate for the ninethree and six months ended June 30, 2020March 31, 2021 compared to the prior year is primarily attributabledue to the absenceunfavorable impact of discrete charge recorded in Q3 of FY19the impairment related to the final regulations issued under the 2017 Tax Act,PIM and wood treatment reporting units, partially offset by higher tax benefit related to share based compensation, and the absence of non-deductible costs related to the Acquisition.foreign derived intangible income.

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15. EARNINGS (LOSS) PER SHARE
Basic earnings per share is calculated by dividing Net income available to common stockholders by the weighted-average number of common shares outstanding during the period, excluding the effects of unvested restricted stock awards with a right to receive non-forfeitable dividends, which are considered participating securities as prescribed by the two-class method under ASC 260 “Earnings per Share”.  Diluted earnings per share is calculated in a similar manner, but the weighted-average number of common shares outstanding during the period is increased to include the weighted-average dilutive effect of “in-the-money” stock options and unvested restricted stock shares and units using the treasury stock method.
Basic and diluted earnings per share were calculated as follows:
Three Months Ended June 30,Nine Months Ended June 30,Three Months Ended March 31,Six Months Ended March 31,
20202019202020192021202020212020
Numerator:Numerator:Numerator:
Net income available to common shares$34,525  $18,878  $105,973  $59,458  
Net (loss) income available to common sharesNet (loss) income available to common shares$(149,808)$32,899 $(118,278)$71,448 
Denominator:Denominator:Denominator:
Weighted average common sharesWeighted average common shares29,079  29,064  29,157  28,399  Weighted average common shares29,210 29,287 29,164 29,183 
(Denominator for basic calculation)
Weighted average effect of dilutive securitiesWeighted average effect of dilutive securities377  504  446  525  Weighted average effect of dilutive securities438 483 
Diluted weighted average common sharesDiluted weighted average common shares29,456  29,568  29,603  28,924  Diluted weighted average common shares29,210 29,725 29,164 29,666 
(Denominator for diluted calculation)
Earnings per share:
(Loss) earnings per share:(Loss) earnings per share:
BasicBasic$1.19  $0.65  $3.63  $2.09  Basic$(5.13)$1.12 $(4.06)$2.45 
DilutedDiluted$1.17  $0.64  $3.58  $2.06  Diluted$(5.13)$1.11 $(4.06)$2.41 

Approximately 124 and 96 shares forFor the three and ninesix months ended June 30, 2020, respectively, and 144 and 204March 31, 2021, no dilutive shares forwere calculated, as the three and nine months ended June 30, 2019, respectively, attributable to outstanding stock options weredilutive shares in a net loss situation would be anti-dilutive.

Shares excluded from the calculation of Diluteddiluted earnings per share as their inclusion would have been anti-dilutive.anti-dilutive were as follows:
Three Months Ended March 31,Six Months Ended March 31,
2021202020212020
Outstanding stock options0111079
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18.16. SEGMENT REPORTING
We identify our segments based on our management structure and the financial information used by our chief executive officer, who is our chief operating decision maker, to assess segment performance and allocate resources among our operating units. We have the following 2 reportable segments:
Electronic Materials
Electronic Materials includes products and solutions for the semiconductor industry.  We manufactureindustry and sell CMP consumables, includingconsists of our CMP slurries business, CMP pads business, and polishing pads, and high-purity processelectronic chemicals used to etch and clean silicon wafers in the production of semiconductors, photovoltaics (solar cells) and flat panel displays.business.
Performance Materials
Performance Materials includes pipeline performance products and services,consists of our PIM business, wood treatment products,business, and products and equipment used in the precision optics industry.QED business.
Our chief operating decision maker evaluates segment performance based upon revenue and segment adjusted EBITDA.  Segment adjusted EBITDA is defined as earnings before interest, income taxes, depreciation and amortization, adjusted for certain items that affect comparability from period to period.  These adjustments include items related to the Acquisition, such as Acquisitionacquisition and integration-related expenses, the impact of fair value adjustments to inventory acquired from KMG, certain costs related to the KMG-Bernuth warehouse fire, net of insurance recovery, impairment charges, net restructuring charges related to the wood treatment reporting unit,business, and costs related to the Pandemic, net of grants received. We exclude these items from earnings when presenting our adjusted EBITDA measure because we believe they will be incurred infrequently and/or are otherwise not indicative of a segment's regular, ongoing operating performance. Adjusted EBITDA is also the basis of a performance metric for our fiscal 20202021 Short-Term Incentive Program ("STIP"). In addition, our chief operating decision maker does not use assets by segment to evaluate performance or allocate resources. Therefore,resources, and therefore, we do not disclose assets by segment.
Revenue from external customers by segment are as follows:
Three Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Segment Revenue:
Electronic Materials:
CMP Slurries$117,680  $108,617  $359,828  $345,244  
Electronic Chemicals78,614  80,103  234,693  198,474  
CMP Pads24,073  23,403  65,476  71,868  
Total Electronic Materials220,367  212,123  659,997  615,586  
Performance Materials54,360  59,759  182,066  143,465  
Total$274,727  $271,882  $842,063  $759,051  

Capital expenditures by segment are as follows:
Three Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Capital Expenditures:
Electronic Materials$6,141  $11,293  $19,720  $27,842  
Performance Materials33,550  1,286  79,247  2,909  
Corporate3,900  852  8,967  3,096  
Total$43,591  $13,431  $107,934  $33,847  

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Adjusted EBITDA by segment is as follows:
Three Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Segment adjusted EBITDA:
Electronic Materials$76,855  $70,859  $227,662  $220,594  
Performance Materials26,959  27,425  84,370  63,152  
Unallocated corporate expenses(11,773) (12,527) (38,226) (35,621) 
Interest expense(10,406) (12,757) (33,079) (32,978) 
Interest income131  417  589  2,004  
Depreciation and amortization(31,324) (26,587) (95,516) (70,476) 
Acquisition and integration-related expenses(2,735) (2,910) (7,785) (33,108) 
Charge for fair value write-up of acquired inventory sold—  (42) —  (14,869) 
Costs related to KMG-Bernuth warehouse fire, net of insurance recovery(622) (4,450) (1,220) (4,450) 
Net costs related to restructuring of the wood treatment business293  —  293  —  
Costs related to the Pandemic, net of grants received(112) —  (349) —  
Income before income taxes$47,266  $39,428  $136,739  $94,248  

The two segments operate independently and serve different markets and customers, as a result there are no sales between segments. Revenue from external customers by segment are as follows:
Three Months Ended March 31,Six Months Ended March 31,
2021202020212020
Segment Revenue:
Electronic Materials:
CMP Slurries$140,194 $119,822 $274,915 $242,148 
Electronic Chemicals80,098 78,497 160,104 156,079 
CMP Pads22,255 20,590 44,326 41,403 
Total Electronic Materials242,547 218,909 479,345 439,630 
Performance Materials:
PIM25,987 44,480 51,894 89,621 
Wood Treatment15,546 14,974 32,869 25,648 
QED6,448 5,830 14,283 12,437 
Total Performance Materials47,981 65,284 99,046 127,706 
Total$290,528 $284,193 $578,391 $567,336 

Capital expenditures by segment are as follows:
Three Months Ended March 31,Six Months Ended March 31,
2021202020212020
Capital Expenditures:
Electronic Materials$6,258 $5,094 $11,692 $13,579 
Performance Materials957 29,328 2,267 45,697 
Corporate2,500 3,555 5,975 5,067 
Total$9,715 $37,977 $19,934 $64,343 

Adjusted EBITDA by segment is as follows:
Three Months Ended March 31,Six Months Ended March 31,
2021202020212020
Net (loss) income$(149,808)$32,899 $(118,278)$71,448 
Interest expense9,508 10,753 19,116 22,673 
Interest income(13)(143)(36)(458)
Income taxes(16,109)7,144 (8,563)18,025 
Depreciation and amortization32,289 32,550 64,180 64,192 
EBITDA(124,133)83,203 (43,581)175,880 
Impairment charges208,221 215,568 
Acquisition and integration-related expenses2,167 2,285 4,536 5,050 
Costs related to the Pandemic, net of grants received(421)237 841 237 
Net costs related to restructuring of the wood treatment business46 72 
Costs related to KMG-Bernuth warehouse fire, net of insurance recovery(1,076)206 (1,076)598 
Consolidated adjusted EBITDA$84,804 $85,931 $176,360 $181,765 
Segment adjusted EBITDA:
Electronic Materials$81,315 $69,603 $162,071 $150,807 
Performance Materials18,750 29,932 41,725 57,411 
Unallocated corporate expenses(15,261)(13,604)(27,436)(26,453)
Consolidated Adjusted EBITDA$84,804 $85,931 $176,360 $181,765 

The unallocated portions of corporate functions, including finance, legal, human resources, information technology, and corporate development, are not directly attributable to a reportable segment.
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17. SUBSEQUENT EVENT
On April 1, 2021, CMC completed its acquisition of 100% of International Test Solutions, LLC (“ITS”), for approximately $125.0 million in cash, subject to post-closing adjustments. The results of ITS will be included in the Consolidated Financial Statements from the date of acquisition and will be reported in the Company’s Electronic Materials segment.

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ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS
The following "Management's“Management's Discussion and Analysis of Financial Condition and Results of Operations," as well as disclosures included elsewhere in this Report on Form 10-Q, include "forward-looking statements"“forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 ("(“the Act"Act”). This Act provides a safe harbor for forward-looking statements to encourage companies to provide prospective information about themselves so long as they identify these statements as forward-looking and provide meaningful cautionary statements identifying important factors that could cause actual results to differ from the projected results. All statements other than statements of historical fact we make in this Report on Form 10-Q are forward-looking and address a variety of subjects including, for example, future sales and operating results; growth or contraction, and trends in the industries and markets in which the Company participates, such as the semiconductor, and oil and gas industries; the acquisition of, investment in, or collaboration with other entities, including the Company’s acquisition of KMG, and the expected benefits and synergies of such acquisitions; divestment or disposition, or cessation of investment in certain of the Company’s businesses; new product introductions; development of new products, technologies and markets; product performance; the financial conditions of the Company'sCompany’s customers; the competitive landscape that relates to the Company's business; the Company's supply chain; natural disasters; various economic or political factors and international or national events, including related to global public health crises such as the Pandemic, and the enactment of trade sanctions, tariffs, or other similar matters; the generation, protection and acquisition of intellectual property, and litigation related to such intellectual property or third party intellectual property; environmental, health and safety laws and regulations, and related compliance; the operation of facilities by Cabot Microelectronics; the Company'sCompany; the Company’s management; foreign exchange fluctuation; the Company's current or future tax rate, including the effects of changes to tax laws in the Tax Act;jurisdictions in which the Company operates; cybersecurity threats; financing facilities and related debt, pay off or payment of principal and interest, and compliance with covenants and other terms; and, uses and investment of the Company'sCompany’s cash balance, including dividends and share repurchases, which may be suspended, terminated or modified at any time for any reason by the Company, based on a variety of factors. Statements that are not historical facts, including statements about Cabot Microelectronics’CMC’s beliefs, plans and expectations, are forward-looking statements. Such statements are based on current expectations of Cabot Microelectronics’CMC’s management and are subject to a number of factors and uncertainties, which could cause actual results to differ materially from those described in the forward-looking statements. For information about factors that could cause actual results to differ materially from those described in the forward-looking statements, please refer to Cabot Microelectronics’CMC’s filings with the SEC, including the risk factors contained in our Annual Report on Form 10-K for the fiscal year ended September 30, 2020 and this Report on Form 10-Q. Except as required by law, Cabot MicroelectronicsCMC undertakes no obligation to update forward-looking statements made by it to reflect new information, subsequent events or circumstances. The section entitled “Risk Factors” describes some, but not all, of the factors that could cause these differences. The section entitled "Risk Factors" describes some, but not all, of the factors that could cause these differences.
This following discussion and analysis, should be read in conjunction with our Annual Report on Form 10-K for the fiscal year ended September 30, 2019,2020, including the Consolidated Financial Statements and related notes thereto.

THIRDRECENT EVENTS
On April 1, 2021, CMC completed its acquisition of 100% of ITS, for approximately $125.0 million of cash, subject to post-closing adjustments, which was funded from cash on hand. The acquisition of ITS, which designs and produces high-performance consumables used to optimize critical semiconductor testing processes, expands the product offerings that are part of our Electronic Materials business segment.

SECOND QUARTER OF FISCAL 20202021 OVERVIEW
Cabot Microelectronics Corporation (“Cabot Microelectronics”, “the Company”, “us”, “we”, or “our”) is a leading global supplier of consumable materials to semiconductor manufacturers and pipeline companies. The Company's products play a critical role in the production of advanced semiconductor devices, helping to enable the manufacture of smaller, faster and more complex devices by its customers. The Consolidated Financial Statements included in this Report on Form 10-Q include the financial results of KMG since the Acquisition Date. We operate our business within two reportable segments: Electronic Materials and Performance Materials. The Electronic Materials segment consists of our heritage CMP slurries and polishing pads businesses, as well as the KMG electronic chemicals business. The Performance Materials segment includes KMG’s heritage pipeline performance and wood treatment businesses, and our heritage QED business. For additional information, refer to Item 1 of Part I of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.
The global spread ofWhile the Pandemic has createdcontinues to cause significant global macroeconomic uncertainty and economic disruption worldwide and in the countries and locations in which we and our customers and suppliers operate. Ouroperate, our business in our fiscal second quarter of 2021 showed continued resiliency and overall strength in our Electronic Materials segment. We have experienced solid demand from our semiconductor customers, which represents approximately 80% of our revenue, as certain sectors such as cloud, PCs and servers continued to show strength, continuing to be driven by work-from-home and e-learning environments, as well as the ongoing recovery in areas such as industrial and automotive sectors. Throughout the Pandemic, our primary focus has been and continues to be on the health and well-being of our employees and the ongoing operation of our facilities worldwide according to our business continuity plans, which we refine on an ongoing basis.
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To date, we have not seen a meaningful impact from the Pandemic on our ability to manufacture and deliver products to our customers, but the Pandemic has negatively impacted some of the industries we serve, primarily the oil and gas industry. The Pandemic has exacerbated the impact of the continued geopolitical factors within theto have a negative effect on worldwide oil demand and gas industry,transport, resulting in lower demand for our pipeline performance productsPIM products. As a result of lower than anticipated recovery and a near-to-mid term increase in raw material cost for the PIM business, we recorded an impairment charge of $201.6 million in our thirdsecond fiscal quarter. Demand from our semiconductor customers, which represents approximately 80% of our revenue, remained stableHowever, we remain optimistic in our third fiscal quarterability to drive growth in our PIM business, as the industry recovers and we execute on strategic initiatives, which include further developing our R&D product pipeline, and capturing new opportunities and market adjacencies.
In addition to the continued impact of the Pandemic, in February, the wood treatment and PIM reporting units were impacted by adverse weather across the southeast U.S., which caused some delays to operations and shipments. However, the adverse weather did not have a transition to work-from-home environment benefited certain markets such as cloud, PCs and servers, offsetting weakness in industrial and automotive.material impact on our quarterly results.
The extent to which the Pandemic may further impact our business, operations, results of operations and financial condition going forward is uncertain and difficult to estimate, and depends on numerous evolving and potentially unknown factors.
ThirdSecond Quarter Key Financial Results
Our consolidated results of operations were as follows:
Dollars in thousandsDollars in thousandsThree Months Ended June 30,Dollars in thousandsThree Months Ended March 31,
2020201920212020
RevenueRevenue$274,727  $271,882  Revenue$290,528 $284,193 
Net income$34,525  $18,878  
Net (loss) incomeNet (loss) income$(149,808)$32,899 
Adjusted EBITDAAdjusted EBITDA$92,041  $85,757  Adjusted EBITDA$84,804 $85,931 
Adjusted EBITDA MarginAdjusted EBITDA Margin33.5 %31.5 %Adjusted EBITDA Margin29.2 %30.2 %
Our thirdsecond quarter of 20202021 consolidated results were not materially impacted by the Pandemic. Growth inrevenue benefited from stronger demand for our CMP slurries products, partially offset by lower demand for our PIM products due to the Pandemic. Consolidated net (loss) income declined in the current year due to the impairment charges recorded for wood treatment and pads in additionPIM, offset by impact of higher revenues. Adjusted EBITDA decreased due to higher professional fees.

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RESULTS OF OPERATIONS
The following table sets forth, for the periods indicated, the changes in balances on the Consolidated Statement of Income (Loss):
Three Months Ended March 31,Six Months Ended March 31,
(Dollars In thousands)20212020$ Change% Change20212020$ Change% Change
Revenue$290,528 $284,193 $6,335 2.2 %$578,391 $567,336 $11,055 1.9 %
Cost of sales166,782 163,091 3,691 2.3 %331,741 317,552 14,189 4.5 %
Gross profit123,746 121,102 2,644 2.2 %246,650 249,784 (3,134)(1.3 %)
Research, development and technical12,925 13,230 (305)(2.3 %)25,353 26,041 (688)(2.6 %)
Selling, general and administrative58,538 56,209 2,329 4.1 %114,458 110,648 3,810 3.4 %
Impairment charges208,221 — 208,221 215,568 — 215,568 
Total operating expenses279,684 69,439 210,245 302.8 %355,379 136,689 218,690 160.0 %
Operating (loss) income(155,938)51,663 (207,601)(401.8 %)(108,729)113,095 (221,824)(196.1 %)
Interest expense9,508 10,753 (1,245)(11.6 %)19,116 22,673 (3,557)(15.7 %)
Interest income13 143 (130)(90.9 %)36 458 (422)(92.1 %)
Other (expense) income, net(484)(1,010)526 52.1 %968 (1,407)2,375 168.8 %
(Loss) income before income taxes(165,917)40,043 (205,960)(514.3 %)(126,841)89,473 (216,314)(241.8 %)
(Benefit from) provision for income taxes(16,109)7,144 (23,253)(325.5 %)(8,563)18,025 (26,588)(147.5 %)
Net (loss) income$(149,808)$32,899 $(182,707)(555.4 %)$(118,278)$71,448 $(189,726)(265.5 %)
Most of CMC’s foreign operations maintain their accounting records in their local currencies. As a result, period to period comparability of results of operations is affected by fluctuations in exchange rates. The impact on comparability is not material in any given period.
REVENUE
Revenue was $290.5 million for the three months ended March 31, 2021, which represented an increase of 2.2%, or $6.3 million, from the three months ended March 31, 2020, primarily due to stronger demand for the Company's CMP slurries products, partially offset by lower demand for PIM products due to the impact of the Pandemic.
Revenue was $578.4 million for the six months ended March 31, 2021, which represented an increase of 1.9%, or $11.1 million, from the six months ended March 31, 2020, primarily due to stronger demand for the Company's CMP slurries and electronic chemicals products and higher prices for the Company’s wood treatment products, partially offset by lower demand for PIM products due to the impact of the Pandemic.
COST OF SALES
Cost of sales was $166.8 million for the three months ended March 31, 2021, which represented an increase of 2.3%, or $3.7 million, from the three months ended March 31, 2020, primarily due to the increase in revenue and higher fixed costs.
Cost of sales was $331.7 million for the six months ended March 31, 2021, which represented an increase of 4.5%, or $14.2 million, from the six months ended March 31, 2020, primarily due to the increase in revenue and higher fixed costs as a result of the timing of the $5.3 million manufacturing variance recorded in the prior year.
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GROSS MARGIN
Our gross margin was 42.6% for the three months ended March 31, 2021, which was flat compared to 42.6% for the three months ended March 31, 2020. 
Our gross margin was 42.6% for the six months ended March 31, 2021, compared to 44.0% for the six months ended March 31, 2020. The decrease was primarily due to higher fixed costs as a result of the timing of manufacturing variance recorded in the prior year, partially offset by product mix and price increases.
SELLING, GENERAL AND ADMINISTRATIVE
Selling, general and administrative expenses were $58.5 million for the three months ended March 31, 2021, which represented an increase of 4.1%, or $2.3 million, from the three months ended March 31, 2020. This was primarily due to a $4.1 million increase in professional fees, partially offset by a $2.1 million decrease in amortization expense driven by pricingimpairment of intangible assets of the wood treatment business.
Selling, general and administrative expenses were $114.5 million for the six months ended March 31, 2021, which represented an increase of 3.4%, or $3.8 million, from the six months ended March 31, 2020. This was primarily due to a $4.7 million increase in professional fees and a $2.4 million increase in share-based compensation expense, partially offset by a $3.1 million decrease in amortization expense driven by impairment of intangible assets of the wood treatment business.
IMPAIRMENT CHARGES
Impairment charges were $208.2 million and $215.6 million for the three and six months ended March 31, 2021, respectively, due to impairment of goodwill in the PIM reporting unit, as well as the impairment of long-lived assets, intangible assets and goodwill of the wood treatment business more than offsetas a result of the decline in demand for our pipeline performance products asplanned closure of the business faced significantly softer oil and gas industry conditions. See “Usewood treatment facilities by approximately the end of Certain GAAP and Non-GAAP Financial Information” later in Item 2 of this Report on Form 10-Q for definitions and reconciliations of adjusted EBITDA and adjusted EBITDA margin.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES AND EFFECTS OF RECENT ACCOUNTING PRONOUNCEMENTS
We discuss our critical accounting estimates and effects of recent accounting pronouncements in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Item 7 of Part II of our Annual Report on Form 10-K for the fiscalcalendar year ended September 30, 2019.   Except for the discussion in Note 2 of "Notes to the Consolidated Financial Statements" of this Report on Form 10-Q,2021. There were no material changes have been made to the Company’s significant accounting policiesimpairment charges during the first ninethree and six months of fiscalended March 31, 2020. See Note 2Notes 6 and 7 of "Notes to the Consolidated Financial Statements" of this Report on Form 10-Q for a discussion of new accounting pronouncements.additional discussion.
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RESULTS OF OPERATIONS
THREE MONTHS ENDED JUNE 30, 2020, VERSUS THREE MONTHS ENDED JUNE 30, 2019
REVENUE
RevenueInterest expense was $274.7$9.5 million for the three months ended June 30, 2020,March 31, 2021, which is an increaserepresented a decrease of 1.0%, or $2.8$1.2 million from the three months ended June 30, 2019, primarily due to increased revenue from the Company's CMP slurries, CMP pads, and wood treatment products, offset by lower revenue in pipeline performance products.
COST OF SALES
Cost of salesMarch 31, 2020.  Interest expense was $153.0$19.1 million for the threesix months ended June 30, 2020,March 31, 2021, which represented a decrease of 2.2%, or $3.5$3.6 million from the threesix months ended June 30, 2019, primarily due to lower sales volume in the Company's pipeline materials and electronic chemicals products, partially offset by higher fixed costs.
GROSS MARGIN
Our gross margin was 44.3% for the three months ended June 30, 2020, compared to 42.4% for the three months ended June 30, 2019.March 31, 2020.  The increase was primarily due to select price increases and higher value product mix, partially offset by unfavorable fixed manufacturing costs.
SELLING, GENERAL AND ADMINISTRATIVE
Selling, general and administrative expensesdecreases were $51.8 million for the three months ended June 30, 2020, which is an increase of 1.7%, or $0.9 million, from the three months ended June 30, 2019.  The increase was primarily due to $4.0 million of higher amortization expense associated with re-valuing KMG assets to fair value during fiscal year 2019 offset by $1.7 million of lower staffing-related costs.
INTEREST EXPENSE
Interest expense was $10.4 million for the three months ended June 30, 2020, which is a decrease of $2.4 million from the three months ended June 30, 2019.  The decrease was primarily due to a decline in the LIBOR rate for the unhedged portion of the Company's Term Loan Facility and a lower outstanding term loan balance due to repayments, andrepayments.
OTHER (EXPENSE) INCOME, NET
Other expense was $0.5 million for the three months ended March 31, 2021, compared to Other expense of $1.0 million for the three months ended March 31, 2020. The decrease in Other expense was primarily due to a lower interest rateloss on our borrowings resulting fromforeign currency transactions.
Other income was $1.0 million for the refinancingsix months ended March 31, 2021, compared to Other expense of our Amended Credit Agreement in$1.4 million for the first quarter of fiscalsix months ended March 31, 2020. The change was primarily due to foreign currency gains.
(BENEFIT FROM) PROVISION FOR INCOME TAXES
As a result of Impairment charges recorded during the quarter, the Company recorded an income tax benefit of $16.1 million for the three months ended March 31, 2021, compared to income tax expense of $7.1 million for the three months ended March 31, 2020. The Company’s effective income tax rate for the thirdsecond quarter of fiscal 20202021 was 27.0%9.7%, compared to 52.1%17.8% in the same quarter last year. The decreasechange in our effective tax rate is primarily driven by the absenceunfavorable impact of a discrete charge recorded in the three months ended June 30, 2019impairment related to the financial regulations issued underPIM and wood treatment reporting units, partially offset by higher tax benefit related to foreign derived intangible income.
As a result of Impairment charges, the Tax Act.
NET INCOME
NetCompany recorded an income was $34.5tax benefit of $8.6 million for the threesix months ended June 30, 2020, which is an increaseMarch 31, 2021, compared to income tax expense of 82.9%, or $15.6 million, from the three months ended June 30, 2019. Net income benefited from higher gross margin, lower Interest expense, and a lower Provision for income taxes.
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NINE MONTHS ENDED JUNE 30, 2020, VERSUS NINE MONTHS ENDED JUNE 30, 2019
REVENUE
Revenue was $842.1$18.0 million for the ninesix months ended June 30, 2020, which represented an increase of 10.9%, or $83.0 million, from the nine months ended June 30, 2019.  The increase was primarily due to the addition of the KMG businesses for the full period in fiscal 2020, selected price increases, and increased revenue from CMP slurries, offset by lower revenue from CMP pads.
COST OF SALES
Total cost of sales was $470.5 million for the nine months ended June 30, 2020, which is an increase of 9.5%, or $41.0 million, from the nine months ended June 30, 2019.  The increase in Cost of sales was primarily due to the addition of the KMG businesses for the full period in fiscalMarch 31, 2020.
GROSS MARGIN
Our gross margin was 44.1% for the nine months ended June 30, 2020, compared to 43.4% for the nine months ended June 30, 2019. The increase was primarily due to select price increases.
SELLING, GENERAL AND ADMINISTRATIVE
Selling, general and administrative expenses were $162.5 million for the nine months ended June 30, 2020, which was flat from the nine months ended June 30, 2019. This was primarily due to $25.3 million of lower Acquisition and integration-related costs, partially offset by $20.2 million of higher amortization expense associated with re-valuing KMG assets to fair value during fiscal year 2019 and $3.6 million of higher staffing-related costs, including incentive compensation costs primarily resulting from higher expense from the STIP.
INTEREST EXPENSE
Interest expense was $33.1 million for the nine months ended June 30, 2020, which is an increase of $0.1 million from the nine months ended June 30, 2019.  The increase was primarily due to the longer period of time covered within the nine months ended June 30, 2020 compared to the nine months ended June 30, 2019 under the debt borrowing to finance the Acquisition in November 2018. The increase was partially offset by a lower interest rate on our borrowings resulting from refinancing our Amended Credit Agreement during the first quarter of fiscal 2020, as well as the decrease in LIBOR rate for the unhedged portion of the Term Loan Facility.
PROVISION FOR INCOME TAXES
The Company’s effective income tax rate was 22.5%6.8% for the ninesix months ended June 30, 2020,March 31, 2021, compared to 36.9%20.1% for the ninesix months ended June 30, 2019.March 31, 2020.  The decreasechange in our effective income tax rate is primarily attributable todriven by the absenceunfavorable impact of discrete charge recorded in nine months ended June 30, 2019the impairment related to the final regulations issued under the Tax Act,PIM and wood treatment reporting units, partially offset by higher tax benefit related to share basedshare-based compensation for the nine months ended June 30, 2020, and the absence of non-deductible costs related to the Acquisition for the nine months ended June 30, 2020.foreign derived intangible income.
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NET (LOSS) INCOME
Net incomeloss was $106.0$149.8 million for the ninethree months ended June 30, 2020, which is an increaseMarch 31, 2021, compared to Net income of 78.2%, or $46.5$32.9 million fromfor the ninethree months ended June 30, 2019.March 31, 2020. Net loss was $118.3 million for the six months ended March 31, 2021, compared to Net income benefited fromof $71.4 million the addition of the KMG businesses for the full period in fiscal 2020 and lower Acquisition and integration-related expenses,six months ended March 31, 2020.  The changes were due to impairment charges, partially offset by increased amortization and depreciation associated with re-valuing KMG assets to fair value.lower Interest expense.
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SEGMENT ANALYSIS
The segment data should be read in conjunction with our unaudited Consolidated Financial Statements and related notes included in Part 1, Item 1 of this Report on Form 10-Q.
Revenue from external customers and adjusted EBITDA and EBITDA Margin by segment are as follows:
Dollars in thousandsDollars in thousandsThree Months Ended June 30,Nine Months Ended June 30,Dollars in thousandsThree Months Ended March 31,Six Months Ended March 31,
202020192020201920212020$ Change% Change20212020$ Change% Change
Segment Revenue:Segment Revenue:Segment Revenue:
Electronic MaterialsElectronic Materials$220,367  $212,123  $659,997  $615,586  Electronic Materials$242,547 $218,909 $23,638 10.8 %$479,345 $439,630 $39,715 9.0 %
Performance MaterialsPerformance Materials54,360  59,759  182,066  143,465  Performance Materials47,981 65,284 (17,303)(26.5 %)99,046 127,706 (28,660)(22.4 %)
Total RevenueTotal Revenue$274,727  $271,882  $842,063  $759,051  Total Revenue$290,528 $284,193 $6,335 2.2 %$578,391 $567,336 $11,055 1.9 %
Adjusted EBITDA:Adjusted EBITDA:
Electronic Materials Electronic Materials $81,315 $69,603 $11,712 16.8 %$162,071 $150,807 $11,264 7.5 %
Performance MaterialsPerformance Materials18,750 29,932 (11,182)(37.4 %)41,725 57,411 (15,686)(27.3 %)
Unallocated corporate expensesUnallocated corporate expenses(15,261)(13,604)(1,657)(12.2 %)(27,436)(26,453)(983)(3.7 %)
Consolidated Adjusted EBITDAConsolidated Adjusted EBITDA$84,804 $85,931 $(1,127)(1.3 %)$176,360 $181,765 $(5,405)(3.0 %)
Adjusted EBITDA margin:Adjusted EBITDA margin:
Electronic MaterialsElectronic Materials33.5 %31.8 %170 bpts33.8 %34.3 %-50 bpts
Performance MaterialsPerformance Materials39.1 %45.8 %-670 bpts42.1 %45.0 %-290 bpts

Dollars in thousandsThree Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Adjusted EBITDA:
Electronic Materials $76,855  $70,859  $227,662  $220,594  
Performance Materials26,959  27,425  84,370  63,152  
Unallocated Corporate Expenses(11,773) (12,527) (38,226) (35,621) 
Consolidated Adjusted EBITDA$92,041  $85,757  $273,806  $248,125  

Three Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Adjusted EBITDA margin:
Electronic Materials34.9 %33.4 %34.5 %35.8 %
Performance Materials49.6 %45.9 %46.3 %44.0 %

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THREE MONTHS ENDED JUNE 30, 2020, VERSUS THREE MONTHS ENDED JUNE 30, 2019
ELECTRONIC MATERIALS
For the three months ended March 31, 2021 compared to the three months ended March 31, 2020, the $23.6 million increase in Electronic Materials revenue was primarily driven by increased demand for our CMP slurries, electronic chemicals, and CMP pads products. The $8.2$11.7 million increase in Electronic Materials adjusted EBITDA was primarily driven by the EBITDA associated with the increase in revenue, partially offset by higher fixed costs. The 170 bpts increase in Electronic Materials adjusted EBITDA margin was primarily driven by product mix, partially offset by higher fixed costs.
For the six months ended March 31, 2021 compared to the six months ended March 31, 2020, the $39.7 million increase in Electronic Materials revenue was driven by increased sales volume ofdemand for our CMP slurries, partially offset by lower electronic chemicals, sales volume.and CMP pads products. The $6.0$11.3 million increase in Electronic Materials adjusted EBITDA and 150 basis pointswas driven by the EBITDA associated with the increase in revenue, partially offset by higher fixed manufacturing costs as a result of the $5.3 million manufacturing variance recorded in the prior year. The 50 bpts decrease in Electronic Materials adjusted EBITDA margin werewas primarily driven by product mix, partially offset bydue to higher fixed manufacturing costs.
PERFORMANCE MATERIALS
The $5.4 million decrease inFor the three months ended March 31, 2021 compared to the three months ended March 31, 2020, Performance Materials revenue decreased $17.3 million and $0.5 million decrease inadjusted EBITDA decreased $11.2 million. For the six months ended March 31, 2021 compared to the six months ended March 31, 2020, Performance Materials revenue decreased $28.7 million and adjusted EBITDA decreased $15.7 million. These decreases were driven by lower salesdemand for pipeline performancePIM products driven bydue to the decline in the oil and gas industry,Pandemic, partially offset by higher selling pricessales for wood treatment products. The 370 basis points increase in Performance MaterialsFor the three months ended March 31, 2021 compared to the three months ended March 31, 2020 adjusted EBITDA margin wasdecreased 670 bpts and for the six months ended March 31, 2021 compared to the six months ended March 31, 2020 adjusted EBITDA margin decreased 290 bpts. These decreases were primarily driven by lower volume leverage for the PIM business, partially offset by higher selling prices for wood treatment products.

NINE MONTHS ENDED JUNE 30, 2020, VERSUS NINE MONTHS ENDED JUNE 30, 2019
ELECTRONIC MATERIALS
The $44.4 million increase in Electronic Materials revenue was driven by the addition of KMG’s electronic chemicals business since the Acquisition and increased sales volume of CMP slurries, partially offset by lower CMP pads sales.  The $7.1 million increase in Electronic Materials adjusted EBITDA was driven by the revenue increases, partially offset by higher fixed manufacturing costs.  The 130 basis points decrease in Electronic Materials adjusted EBITDA margin was primarily due to product mix.
PERFORMANCE MATERIALS
The $38.6 million increase in Performance Materials revenue and $21.2 million increase in Performance Materials adjusted EBITDA were driven by a full year of KMG’s performance materials businesses post-Acquisition and higher selling prices for our wood treatment products.  The 230 basis points increase in Performance Materials adjusted EBITDA margin was primarily driven by higher selling prices for wood treatment products.
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USE OF CERTAIN GAAP AND NON-GAAP FINANCIAL INFORMATION
We provide certain non-GAAP financial information,measures, such as adjusted EBITDA and adjusted EBITDA margin, to complement reported GAAP results because we believe that analysis of our financial performance is enhanced by an understanding of these non-GAAP financial measures. We exclude certain items from earnings when presenting our adjusted EBITDA measure because we believe they will be incurred infrequently and/or are otherwise not indicative of a segment'sthe Company’s regular, ongoing operating performance. Accordingly, we believe that they aid in evaluating the underlying operational performance of our business, and facilitate comparisons between periods. In addition, adjusted EBITDA is used as one of the performance goals of our fiscal 20202021 STIP. A similar adjusted EBITDA calculation is also used by our lenders for a key debt compliance ratio.
Adjusted EBITDA margin is defined as adjusted EBITDA as a percentage of revenue. Adjusted EBITDA is defined as earnings before interest, income taxes, depreciation and amortization, adjusted for certain items that affect comparability from period to period. These adjustments include items related to the Acquisition,acquisitions, such as expenses incurred to complete the Acquisition and integration-related expenses, impairment charges, costs of restructuring and related adjustments related to the wood treatment business, and related adjustments, costs related to the KMG-Bernuth warehouse fire net of insurance recovery, and costs related to the Pandemic net of grants received, and impact of fair value adjustments to inventory acquired from KMG.received.
The non-GAAP financial informationmeasures provided isare a supplement to, and not a substitute for, the Company’s financial results presented in accordance with U.S. GAAP. Management strongly encourages investors to review the Company’s consolidated financial statements in their entirety and to not rely on any single financial measure. These non-GAAP financial measures are provided to enhance the investor's understanding about the Company's ongoing operations. The presentation of non-GAAP financial information is not meant to be considered in isolation or as a substitute for results prepared and presented in accordance with U.S. GAAP. A reconciliation table of GAAP to non-GAAP financial measures is contained below.
Adjusted EBITDA for the Electronic Materials and Performance Materials segments is presented in conformity with Accounting Standards Codification Topic 280, Segment Reporting. This measure is reported to the chief operating decision maker for purposes of making decisions about allocating resources to the segments and assessing their performance. For these reasons, this measure is excluded from the definition of non-GAAP financial measures under the SEC Regulation G and Item 10(e) of Regulation S-K.

RECONCILIATION OF NET (LOSS) INCOME TO ADJUSTED EBITDA
In thousandsThree Months Ended March 31,Six Months Ended March 31,
2021202020212020
Net (loss) income$(149,808)$32,899 $(118,278)$71,448 
Interest expense9,508 10,753 19,116 22,673 
Interest income(13)(143)(36)(458)
Income taxes(16,109)7,144 (8,563)18,025 
Depreciation and amortization32,289 32,550 64,180 64,192 
EBITDA(124,133)83,203 (43,581)175,880 
Impairment charges208,221 — 215,568 — 
Acquisition and integration-related expenses2,167 2,285 4,536 5,050 
Costs related to the Pandemic, net of grants received(421)237 841 237 
Net costs related to restructuring of the wood treatment business46 — 72 — 
Costs related to KMG-Bernuth warehouse fire, net of insurance recovery(1,076)206 (1,076)598 
Adjusted EBITDA$84,804 $85,931 $176,360 $181,765 

In thousandsThree Months Ended March 31,Six Months Ended March 31,
2021202020212020
Adjusted EBITDA:
Electronic Materials$81,315 $69,603 $162,071 $150,807 
Performance Materials18,750 29,932 41,725 57,411 
Unallocated corporate expenses(15,261)(13,604)(27,436)(26,453)
Consolidated Adjusted EBITDA$84,804 $85,931 $176,360 $181,765 

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RECONCILIATION OF NET INCOME TO ADJUSTED EBITDA
The table below presents the reconciliation of Net income to adjusted EBITDA. Adjusted EBITDA is not a measurement of our financial performance under GAAP and should not be considered as an alternative to Net income. Adjusted EBITDA may have limitations as an analytical tool and should not be considered in isolation or as a substitute for analysis of our results as reported under GAAP.
Dollars in thousandsThree Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Adjusted EBITDA:
Electronic Materials$76,855  $70,859  $227,662  $220,594  
Performance Materials26,959  27,425  84,370  63,152  
Unallocated Corporate Expenses(11,773) (12,527) (38,226) (35,621) 
Consolidated Adjusted EBITDA$92,041  $85,757  $273,806  $248,125  

Dollars in thousandsThree Months Ended June 30,Nine Months Ended June 30,
2020201920202019
Net income$34,525  $18,878  $105,973  $59,458  
Interest expense10,406  12,757  33,079  32,978  
Interest income(131) (417) (589) (2,004) 
Income taxes12,741  20,550  30,766  34,790  
Depreciation and amortization31,324  26,587  95,516  70,476  
EBITDA *88,865  78,355  264,745  195,698  
Acquisition and integration-related expenses2,735  2,910  7,785  33,108  
Charge for fair value write-up of acquired inventory sold—  42  —  14,869  
Costs related to KMG-Bernuth warehouse fire, net of insurance recovery622  4,450  1,220  4,450  
Net costs related to restructuring of the wood treatment business**(293) —  (293) —  
Costs related to the Pandemic, net of grants received112  —  349  —  
Adjusted EBITDA ***$92,041  $85,757  $273,806  $248,125  

* EBITDA represents earnings before interest, taxes, depreciation and amortization.
** Represents adjustments to previously recorded severance liability related to the wood treatment business.
*** Adjusted EBITDA is calculated by excluding items from EBITDA that are believed to be infrequent or not indicative of the company's continuing operating performance.

LIQUIDITY AND CAPITAL RESOURCES
As of June 30, 2020,March 31, 2021, we had $354.7$324.8 million of cash and cash equivalents compared with $188.5$257.4 million as of September 30, 2019.2020. On June 30, 2020, $134.6March 31, 2021, $116.4 million of cash and cash equivalents was held in foreign subsidiaries. Our total liquidity as of June 30, 2020March 31, 2021 was $404.7$524.8 million compared to $388.5$457.4 million as of September 30, 20192020 (including $50.0 million and $200.0 million respectively, of borrowing availability under our Revolving Credit Facility in both periods, which includes our letter of credit sub-facility). The increase in liquidity reflects the cash flow provided by operating activities, partially offset by the cash used byfor additions of property, plant and equipment, the repurchases of our common stock and payments of quarterly cash dividends.
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On April 1, 2021, we completed the acquisition of ITS for approximately $125.0 million in cash, which was funded from cash on hand as of March 31, 2021.
Total debt, consisting of principal outstanding on our Term Loan Facility, and Revolving Credit Facility, amounted to $1,076.0$917.6 million ($1,091.7931.0 million in aggregate principal amount less $15.7$13.5 million of debt issuance costs) as of June 30, 2020March 31, 2021 and $941.8$921.4 million ($959.7936.4 million in aggregate principal amount less $17.9$14.9 million of debt issuance costs) as of September 30, 2019.2020. During the three months ended March 31, 2021 there were no borrowings under our Revolving Credit Facility and no balance was outstanding as of March 31, 2021.
The Revolving Credit Facility requires that the Company maintain a maximum first lien secured net leverage ratio, as defined in the Amended Credit Agreement, of 4.00 to 1.00 as of the last day of each fiscal quarter. As of June 30, 2020,March 31, 2021, our maximum first lien secured net leverage ratio was 1.961.59 to 1.00. Additionally, the Amended Credit Agreement contains certain affirmative and negative covenants that limit the ability of the Company, among other things and subject to certain significant exceptions, to incur debt or liens, make investments, enter into certain mergers, consolidations, asset sales and acquisitions, pay dividends and make other restricted payments and enter into transactions with affiliates. We are in compliance with these covenants as of June 30, 2020.March 31, 2021 and we expect to remain in compliance with our debt covenants during fiscal 2021 and beyond.
In March 2020, the Company drew $150.0 million under the Revolving Credit Facility as a precautionary measure in order to increase its cash position and preserve financial flexibility in light of uncertain global economic conditions resulting from the Pandemic. During the three months ended June 30, 2020, there were no additional borrowings under our Revolving Credit Facility and as of June 30, 2020, $150.0 million was outstanding.
In January 2016,2021, our Board of Directors authorized an increase in the amount available under our share repurchase program to $150.0 million. During the thirdsecond quarter of fiscal 2020,2021, we repurchased 1605 thousand shares under this program,the former authorization, and $36.3$150.0 million authorization remained at the end of the quarter. The timing, manner, price and amounts of repurchases are determined at the Company's discretion, and the share repurchase program may be suspended, terminated or modified at any time for any reason. The repurchase program does not obligate the Company to acquire any specific number of shares. To date, we have funded share purchases under our share repurchase program from our available cash on hand, and anticipate we will continue to do so.
Our Board of Directors authorized the initiation of our regular quarterly cash dividend program in January 2016, and since that time has periodically increased the dividend to its current quarterly level of $0.44$0.46 per share. The declaration and payment of future dividends is subject to the discretion and determination of the Board of Directors and management, based on a variety of factors, and the program may be suspended, terminated or modified at any time for any reason.
We believe that cash on hand, cash available from future operations, and available borrowing capacity under our Amended Credit Agreement will be sufficient to fund our operations, expected capital expenditures, dividend payments, and share repurchases for at least the next twelve months. However, the current macroeconomic dislocation caused by the Pandemic has createdthere remains ongoing Pandemic-created uncertainty in worldwide economic conditions and in those of the industries in which we participate, and whether with respect to the impact of the Pandemic or in pursuit of corporate development or other initiatives, we may need to raise additional funds in the future through equity or debt financing, or other arrangements. Depending on future conditions in the capital and credit markets, we could encounter difficulty securing additional financing in the type or amount necessary to pursue these objectives.
Operating Activities
We generated $204.1$123.5 million in cash flows from operating activities in the first ninesix months of fiscal 2020,2021, compared to $117.0$112.3 million in the first ninesix months of fiscal 2019.2020. The increase in operating cash flows of $87.1 million was due to an$9.2 million of changes in operating assets and liabilities and a $2.0 million increase of Net income adjusted for non-cash reconciling items.
Investing Activities
In the first ninesix months of fiscal 2020,2021, net cash used in investing activities was $105.4$20.8 million, compared to $1,209.7$57.6 million in the first ninesix months of fiscal 2019.  The decrease2020. This was primarily driven by the use of $1,182.2 million for the Acquisition during the first quarter of fiscal 2019. This was partially offset by an increasea decrease in capital expenditures of $74.3$38.1 million in the first ninesix months of fiscal 2021 compared to the first six months of fiscal 2020 compared to the first nine months of fiscal 2019 driven by the plant expansion in the United States related tofiscal 2020 in our Performance Materials segment.
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Financing Activities
In the first ninesix months of fiscal 2020,2021, cash flows used in financing activities were $36.7 million, compared to cash flows provided by financing activities were $67.2 million, compared to $908.7of $98.1 million in the first ninesix months of fiscal 2019. The decrease2020. This was mainly driven by net debt proceeds of $1,043.6the draw on the Company’s revolving credit facility for $150.0 million induring the first nine months of fiscal 2019 used to fund the Acquisition compared to $150.0 million draw down on our Revolving Credit Facility in the first ninesix months of fiscal 2020 as discussed above. Further,a precautionary measure to preserve financial flexibility at the onset of the Pandemic. This was partially offset by repayments under the Term Loan Facility of $5.3 million in the first six months of fiscal 2021 compared to $18.0 million in the first six months of fiscal 2020, as well as cash paid for repurchases of common stock increased from $9.5under the Share Repurchase Program of $10.0 million in the first ninesix months of fiscal 20192021 compared to $38.1$16.4 million in the first ninesix months of fiscal 2020. This was partially offset by repayments of $18.0 million and $102.7 million under the Term Loan Facility during the first nine months of fiscal 2020 and 2019, respectively.

OFF-BALANCE SHEET ARRANGEMENTS
At June 30, 2020March 31, 2021 and September 30, 2019,2020, we did not have any unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities, which might have been established for the purpose of facilitating off-balance sheet arrangements.partnerships.

CONTRACTUAL OBLIGATIONS
There have been no material changes to the Company's contractual obligations during fiscal 2020,2021, except as discussed below.
As of March 31, 2021, the Company had a purchase agreement to acquire ITS for approximately $125.0 million in cash, subject to post-closing adjustments. This acquisition closed on April 1, 2021.
We have been operating under a multi-year supply agreement with Cabot Corporation, which has not been a related party since 2002, for the purchase of fumed silica,certain raw materials, which runs through December 2022. As of June 30, 2020,March 31, 2021, purchase obligations include an aggregate amount of $24.7$13.8 million of contractual commitments related to this agreement.
Refer to Item 7 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019,2020, for additional information regarding our contractual obligations.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES AND EFFECTS OF RECENT ACCOUNTING PRONOUNCEMENTS
We discuss our critical accounting estimates and effects of recent accounting pronouncements in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Item 7 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2020. See Note 2 of “Notes to the Consolidated Financial Statements” of this Report on Form 10-Q for updates.
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ITEM 3.  QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK
EFFECT OF FOREIGN CURRENCY EXCHANGE RATES AND EXCHANGE RATE RISK MANAGEMENT
We conduct business operations outside ofThere were no material changes from the United States through our foreign operations.  Some“Quantitative and Qualitative Disclosures about Market Risk” disclosed in Part II Item 7A of our foreign operations maintain their accounting records in their local currencies.  Consequently, period to period comparability of results of operations is affected by fluctuations in exchange rates.  The primary currencies to which we have exposure are the Korean won, Japanese yen, the New Taiwan dollar, Euro, British pound, and Singapore dollar.  Approximately 21% of our revenueAnnual Report on Form 10-K for the quarterfiscal year ended JuneSeptember 30, 2020 is transacted in currencies other than the U.S. dollar.  However, outside of the United States, we also incur expenses that are transacted in currencies other than the U.S. dollar, which mitigates the exposure on the Consolidated Statements of Income.  We periodically enter into forward contracts in an effort to manage foreign currency exchange exposure on our Consolidated Balance Sheets.  However, we are unlikely to be able to hedge these exposures completely.  We do not enter into forward contracts or other derivative instruments for speculative or trading purposes.2020.
During the three and nine months ended June 30, 2020, we recorded $9.1 million and $5.2 million, respectively, in foreign currency translation gains, net of tax, that are included in other comprehensive income.  These gains and losses primarily relate to changes in the U.S. dollar value of assets and liabilities denominated in local currencies when these asset and liability amounts are translated at month-end exchange rates.
MARKET RISK AND SENSITIVITY ANALYSIS RELATED TO FOREIGN EXCHANGE RATE RISK
We have performed a sensitivity analysis assuming a hypothetical 10% additional adverse movement in foreign exchange rates.  As of June 30, 2020, the analysis demonstrated that such market movements would not have a material adverse effect on our consolidated financial position, results of operations or cash flows over a one-year period.  Actual gains and losses in the future may differ materially from this analysis based on changes in the timing and amount of foreign currency rate movements and our actual exposures.
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ITEM 4. CONTROLS AND PROCEDURES
EVALUATION OF DISCLOSURE CONTROLS AND PROCEDURES
Our management, with the participation of our Chief Executive Officer (CEO)(“CEO”) and Chief Financial Officer (CFO)(“CFO”), has conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934, as amended ("(“the Exchange Act")Act”), as of June 30, 2020.March 31, 2021.  Based on that evaluation, our CEO and CFO have concluded that our disclosure controls and procedures were effective to ensure that information required to be disclosed in our Exchange Act reports is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and to ensure that such information is accumulated and communicated to management, including the CEO and CFO, as appropriate to allow timely decisions regarding required disclosure.
CHANGES IN INTERNAL CONTROL OVER FINANCIAL REPORTING
The Company is in the process of integrating KMG into the Company's internal control over financial reporting. As a result of these integration activities, certain controls will be evaluated and may be changed. Excluding the Acquisition, thereThere were no changes in the Company'sour internal control over financial reporting that occurred during our most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.
INHERENT LIMITATIONS ON EFFECTIVENESS OF CONTROLS
Because of inherent limitations, our disclosure controls or our internal control over financial reporting may not prevent all errors and all fraud. A control system, no matter how well conceived and operated, can provide only reasonable, not absolute, assurance that the objectives of the control system are met. Further, the design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within the Company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty, and that breakdowns can occur because of a simple error or mistake. Additionally, controls can be circumvented by the individual acts of some persons, by collusion of two or more people or by management override of the controls. The design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions; over time, controls may become inadequate because of changes in conditions, or the degree of compliance with policies or procedures may deteriorate. Because of the inherent limitations in a cost-effective control system, misstatements due to error or fraud may occur and not be detected.
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PART II. OTHER INFORMATION
ITEM 1. LEGAL PROCEEDINGS
We periodically become a party to legal proceedings, arbitrations, regulatory proceedings, inquiries and investigations (“contingencies”) arising in the ordinary course of our business operations. The ultimate resolution of these contingencies is subject to significant uncertainty, and should we fail to prevail in any of them or should several of them be resolved against us in the same reporting period, these matters could, individually or in the aggregate, be material to our consolidated financial statements. One of these contingencies, related to Star Lake Canal, which we assumed in connection with the Acquisition, is discussed in Note 12 of “Notes to the Consolidated Financial Statements” included in Item 1 of Part I of this Report on Form 10-Q. The ultimate outcome of these matters, however, cannot be determined at this time, nor can the amount of any potential loss be reasonably estimated, and as a result except where indicated no amounts have been recorded in our consolidated financial statements.
We also may face other governmental or third-party claims, or otherwise incur costs, relating to cleanup of, or for injuries resulting from, contamination at sites associated with Star Lake Canal or other past and present operations. We accrue for environmental liabilities when a determination can be made that they are probable and reasonably estimable. Other than as described herein, we are not involved in any legal proceedings that we believe could have a material impact on our consolidated financial position, results of operations or cash flows. The information set forth in Item 1.A. Risk Factors, and Note 1312 of "Notes“Notes to the Consolidated Financial Statements"Statements” included in Item 1 of Part I of this Report on Form 10-Q, is incorporated herein by reference.

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ITEM 1A. RISK FACTORS
RISKS RELATING TO OUR BUSINESS, STRATEGY AND OPERATIONS
OUR BUSINESS AND RESULTS OF OPERATIONS MAY BE ADVERSELY AFFECTED BY THE CORONAVIRUS (COVID-19) PANDEMIC (“PANDEMIC”) AND RELATED ADVERSE IMPACT TO WORLDWIDE ECONOMIC AND INDUSTRY CONDITIONS
The global spreadimpact of the Pandemic has created significant volatility, uncertainty and economic disruption across the world and in the countries and locations in which we and our customers and suppliers operate. In the second half of our third fiscal quarter ofyear 2020, while businesses in our Electronic Materials segment remained generally stable, and showed some strengthening in the first half of fiscal 2021, despite the Pandemic,Pandemic. With respect to our Performance Materials segment, the Pandemic has had a significant adverse impact on our Performance Materials segment's pipeline performanceMaterials’ PIM business during the second half of our fiscal year 2020 continuing into the first half of our fiscal year 2021, as the demand for drag reducing agents (“DRAs”) declined significantly due to the ongoing dislocation in the energy sector occasioned by the PandemicPandemic. Although this business has appeared to stabilize somewhat in our first half of fiscal 2021 and we are optimistic in our ability to drive future growth in our PIM business as well as certain geopolitical factors,the industry recovers, recovery has been lower than anticipated, and as described below.in Note 6 of this Report on Form 10-Q, certain factors related to it continue to adversely affect the PIM reporting unit. The extent to which the ongoing Pandemic may further impact our business, operations, results of operations and financial condition is uncertain and difficult to estimate, and depends on numerous evolving factors that we may not be able to accurately predict, which may include: AAn additional decrease in short-term and long-term demand and pricing for our products and services, and aan ongoing global economic recession that could further reduce demand and/or pricing for our products and services resulting from actions taken by governments, businesses, or the general public in an effort to limit exposure to and spread of such infectious diseases, such as ongoing or renewed travel restrictions, quarantines, and business shutdowns or slowdowns; Negative impacts to our operations, including reductions in production levels, research and development ("R&D") activities, and qualification activities with our customers, and increased costs resulting from our efforts to mitigate the impact of the Pandemic through additional or continued social-distancing measures we have enacted at our locations around the world in an effort to protect our employees’ health and well-being (including working from home, reducing the number of employees or others in our sites at any one time and how such individuals perform work while at our sites, redesigning or adjusting our manufacturing, R&D and office facilities, and suspending or limiting employee travel); Deterioration of worldwide credit and financial markets that could limit our ability to obtain external financing to fund our operations and capital expenditures, result in losses on our holdings of cash and investments due to failures of financial institutions and other parties, and result in losses on our accounts receivables due to credit defaults or our customers’ inability to pay; and, Disruptions to our supply chain in connection with the sourcing of or pricing for materials, equipment and logistics or other services and support necessary to our business as a result of the Pandemic and efforts to contain the spread of the Pandemic. ToAlthough the extent possible ifrollout of vaccination programs in the U.S., Europe, parts of Asia and whenother places in which we operate is encouraging with respect to the containment and abatement of the Pandemic, is contained or abates, the resumption of what was previously considered normal business operations after such interruptionsinterruption remains uncertain, and may be further delayed or constrained by lingering effects of the Pandemic on our Company and our customers, suppliers, and third-party service providers. These effects, alone or taken together, could have a material adverse effect on our business, results of operations, legal exposure, or financial condition.condition; an example of such effect is the impairment charge related to our PIM business described in Note 6 of this Report on Form 10-Q. A further sustained or prolonged outbreak or return of the Pandemic in the places in which we do business, such as that seen in the U.S., Europe, and parts of Asia during the first half of our fiscal 2021, could exacerbate the adverse impact of such measures on our Company.
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DEMAND FOR OUR PRODUCTS FLUCTUATES AND OUR BUSINESS MAY BE ADVERSELY AFFECTED BY WORLDWIDE ECONOMIC, INDUSTRY AND OTHER CONDITIONS
Our business is affected by economic and industry conditions, such as those currentlystill being adversely affected by the Pandemic, and the majority of our revenue derives from our Electronic Materials segment, which is primarily dependent upon semiconductor industry demand. With respect to our Electronic Materials segment, historically, semiconductor industry demand has fluctuated due to economic and industry cycles and seasonal shifts in demand, which can affect our business, causing demand for our electronic materials products to fluctuate. For example, prior to the Pandemic, the relatively soft demand conditions in the semiconductor industry that had commenced in our second fiscal quarter of 2019 and continued into our first fiscal quarter of 2020 had begun to ameliorate in the beginning of the second fiscal quarter of 2020. However, althoughWhile our Electronic Materials segment experienced relatively stable conditions during the thirdsecond half of fiscal quarter2020 and has showed some strengthening in the first half of 2020,fiscal 2021, uncertainty remains as to fiscal 2021 demand conditions for the semiconductor industry given the ongoing nature of the Pandemic, has created uncertaintyincluding supply constraints at our customers serving certain areas, such as to demand conditions for the semiconductor industry going forward through the remainder of the fiscal yearautomotive and beyond.industrial sectors. Furthermore, competitive dynamics within the semiconductor industry may impact our business. Our limited visibility to future customer orders makes it difficult for us to predict industry trends, especially during unusual adverse circumstances, such as the Pandemic. If the global economy or the semiconductor industry fails to continue to improve or weakens further,again, whether in general or as a result of the Pandemic or other specific factors, such as macroeconomic factors, or unpredictable events such as natural disasters, geopolitical conditions and international trade tensions, civil unrest, or additional global health crises, we could experience material adverse impacts on our results of operations and financial condition. Some additional factors that may affect demand for our electronic materials products include: demand trends for different types of electronic devices, such as logic versus memory integrated circuit ("IC") devices, or digital versus analog IC devices; the various technology nodes at which those products are manufactured; customers' efficiencies in the use of CMP consumables and/or high-purity process chemicals (“electronic chemicals”); customers' device architectures and specific manufacturing processes; the short order to delivery time for our products; quarter-to-quarter changes in customer order patterns; market share and competitive gains and losses; and pricing changes by us and our competitors.
As to our Performance Materials segment, which continues to be an area of potential continued growth for us, our pipeline performancePIM business may continue to be impacted by changes in the utilities and/or oil and gas industries, such as we saw inhave seen since the second half of our third fiscal quarter2020 and through our first half of 2020fiscal 2021 resulting from ongoing significant dislocation in these industries occasioned by geopolitical disputes such as those that commenced in March 2020 between the Organization of Petroleum Exporting Countries ("OPEC") and Russia, and a confluence of an excess in oil capacity due to these factors and the Pandemic and efforts to contain the Pandemic. Relatedly, as described, volatility in oil and natural gas prices may impact our customers’ activity levels, including production, and as we saw during the thirdlast four fiscal quarter of 2020,quarters, we experienced a significant drop in demand for our related pipeline performancePIM products and services.services, although demand appears to have stabilized somewhat in our first half of fiscal 2021. Expectations about future prices and price volatility are important in determining future spending levels for customers of our pipeline performancePIM products and services. The ongoing volatility in worldwide oil and natural gas prices and markets are an extreme example of historical volatility in this sector, and such volatility is likely to continue in the future. As is currently the case, prices for oil and natural gas are subject to wide fluctuations in response to relatively minor or major changes in the supply of and demand for oil and natural gas, market uncertainty and a variety of additional factors that are beyond our control. These factors include, but are not limited to, decreases or increases in supplies from U.S. shale production or other oil production, geopolitical conditions, including uprisings, civil unrest, and international trade tensions, sovereign debt crises, the domestic and non-United Statesforeign supply of oil and natural gas, the level of consumer demand due to economic growth or contraction such as currently seen related to the Pandemic, and other factors in countries such as China, weather conditions, domestic and foreign governmental regulations and taxes, the price and availability of alternative fuels, the health of international economic and credit markets, the ability of the members of the OPECOrganization of the Petroleum Exporting Countries (“OPEC”) and other state-controlled oil companies to agree upon and maintain oil price and production controls, and general economic conditions, such as those currently seen related to the Pandemic.
Further, adverse global economic, industry and other conditions such as those related to the Pandemic could have other negative effects on our Company. For instance, we could experience negative impacts on cash flows due to the inability of our customers to pay their obligations to us, or our production processes could be harmed if our suppliers cannot fulfill their obligations to us. As a result of these or other conditions, and as experienced in our second fiscal quarter with the impairment charge we took in our PIM business unit, further described in Note 6 of this Report on Form 10-Q, we also might have to further reduce the carrying value of goodwill and other intangible assets, which could harm our financial position and results of operations.
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WE MAY PURSUE ACQUISITIONS OF, INVESTMENTS IN, AND MERGERS OR STRATEGIC ALLIANCES WITH OTHER ENTITIES, WHICH COULD DISRUPT OUR OPERATIONS AND HARM OUR OPERATING RESULTS IF THEY ARE UNSUCCESSFUL, OR WE MAY ENCOUNTER UNANTICIPATED ISSUES IN IMPLEMENTING THEM
We expect to continue to make investments in technologies, assets and companies, either through acquisitions, mergers, investments or alliances, in order to supplement our organic growth and development efforts. Acquisitions, mergers, and investments, including our acquisitions of KMG,the Acquisition, which we completed in November 2018, and NexPlanar, which we completed in October 2015, involve numerous risks, including the following: difficulties and risks in integrating the operations, technologies, products and personnel of acquired companies; difficulties and risks from unanticipated issues arising subsequent to a transaction related to the other entity; potential disruption of relationships with third parties such as customers or suppliers; diversion of management's attention from normal daily operations of the business; increased risk associated with foreign operations; potential difficulties and risks in entering markets or industries in which we have limited or no direct prior experience and/or where competitors have stronger positions; potential difficulties and unexpected situations arising in operating new businesses with different business models; facilities and operations; potential difficulties with regulatory or contract compliance in areas in which we have limited or no experience; initial dependence on unfamiliar supply chains or relatively small supply partners; insufficient revenue to offset increased expenses associated with acquisitions; potential loss of key employees of the acquired companies; or inability to effectively cooperate and collaborate with our alliance partners.
Further, we may never realize the perceived or anticipated benefits of a business combination or merger with, or asset or other acquisition of, or investments in, other entities. Transactions such as our acquisitions of KMG and NexPlanarthe Acquisition could and in some cases have had negative effects on our results of operations, in areas such as contingent liabilities, gross margins, amortization charges related to intangible assets and other effects of accounting for the purchases of other business entities. Investments in and acquisitions of technology-related or early-stage companies or assets are inherently risky because these businesses or assets may never develop, and we may incur losses related to these investments.
In addition, we may be required to impair the carrying value of these acquisitions or investments to reflect other than temporary declines in their value. The carrying value of goodwill represents the fair value of acquired businesses in excess of identifiable assets and liabilities as of the acquisition date. The carrying value of other intangible assets represents the fair value of customer relationships, tradenames and other acquired intangible assets as of the acquisition date. Goodwill and other acquired intangible assets expected to contribute indefinitely to our cash flows are not amortized, but must be evaluated for impairment by management at least annually. If the carrying value exceeds the implied fair value of goodwill, the goodwill is considered impaired and is reduced to fair value via a non-cash charge to earnings. If the carrying value of an indefinite-lived intangible asset is greater than its fair value, the intangible asset is considered impaired and is reduced to fair value via a non-cash charge to earnings. If the value of goodwill or other acquired intangible assets is impaired, our results of operations and financial condition could be adversely affected. Examples of asset impairment charges we recently incurred include the charge we took in the second quarter of fiscal 2021 related to the PIM business unit and the charge we took in each the fourth quarter of fiscal year 2019, the fourth quarter of fiscal 2020, and the first two quarters of fiscal 2021 related to the KMG wood treatment business. Absent a sale of the wood treatment business, as we approach the previously announced closure date of the wood treatment facilities and there are fewer estimated future cash flows, weWe expect that the carrying value of the wood treatment asset groupreporting unit will not be recoverable, resulting in future impairments of intangible assets and goodwill. The amount of such impairments could be material and could adversely affect our results of operations and financial condition. See NoteNotes 6 and 7 of "Notes to the Consolidated Financial Statements" of this Report on Form 10-Q for additional discussion.
Furthermore, the integration of the recently acquired KMG businessbusinesses into our operations is a complex and time-consuming process that may not be successful. Our Company has a limited history of integrating a significant acquisition into its businessacquisitions, and the process of integration may produce unforeseen operating difficulties and expenditures. TheAs demonstrated in the Acquisition, the primary areas of focus for successfully combining the business of KMGthose businesses with our operations may include and hashave included, among others: retaining and integrating key employees; realizing synergies; aligning customer and supplier interface,interfaces, and operations across the combined business; integrating enterprise resource planning and other information technology systems; and, managing the growth of the combined company. Even if we successfully integrate thean acquired business, ofsuch as KMG, into our operations, there can be no assurance that we will realize the anticipated benefits of the Acquisition.

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WE HAVE A CONCENTRATED PRODUCT RANGE WITHIN EACH OF OUR SEGMENTS AND OUR PRODUCTS MAY BECOME OBSOLETE, OR TECHNOLOGICAL CHANGES MAY REDUCE OR LIMIT INCREASES IN THE CONSUMPTION OF OUR PRODUCTS
Although our product offerings have expanded withover the past several years, including as a result of the Acquisition, our business remains substantially dependent on products in our Electronic Materials segment, such as CMP slurries, pads and electronic chemicals, which account for the majority of our revenue. We have identified our Performance Materials segment as another area of potential continued growth and theThe product offerings in our Performance Materials segment are similarly concentrated. As such, our business would suffer if these products became obsolete or if consumption of these products decreased. Our success depends on our ability to keep pace with technological changes and advances in the industries in which we operate, particularly the semiconductor industry, and to adapt, improve and customize our products in response to evolving customer needs and industry trends. Since its inception, the semiconductor industry, which is the largest industry in which we operate, has experienced technological changes and advances in the design, manufacture, performance and application of IC devices. Our customers continually pursue lower cost of ownership and higher quality and performance of materials consumed in their manufacturing processes, including CMP slurries and pads and electronic chemicals, as a means to reduce costs, increase the yield in their manufacturing facilities, and achieve desired performance of the IC devices they produce. We expect these technological changes, and this drive toward lower costs, higher quality and performance and higher yields, will continue in the future. Potential technology developments in the semiconductor industry, as well as our customers' efforts to reduce consumption of CMP consumables, including through use of smaller quantities, could render our products less important to the IC device manufacturing process.
A SIGNIFICANT AMOUNT OF OUR BUSINESS COMES FROM A LIMITED NUMBER OF LARGE CUSTOMERS AND OUR REVENUE AND PROFITS COULD DECREASE SIGNIFICANTLY IF WE LOST ONE OR MORE OF THESE CUSTOMERS OR BUSINESS FROM THEM
Our customer base is concentrated among a limited number of large customers in each of our segments. Currently, our principal business is to supplysupplies electronic materials primarily to the semiconductor industry. The semiconductor industry has been consolidating as the larger semiconductor manufacturers have generally grown faster than the smaller ones, through business gains, mergers and acquisitions, and strategic alliances. Industry analysts predict that this trend will continue, which means the semiconductor industry will continue to be comprised of fewer and larger participants in the future if their prediction is correct. In addition, our customer base in our pipeline-related businessesPIM business is also somewhat concentrated, with large entities predominant, and outside of the United States,U.S., these entities frequently are state-owned or sponsored, and limited in number per country, as described more above.country. One or more of these principal customers could stop buying products from us or could substantially reduce the quantity of products purchased from us. Our principal customers in both of our segments also hold considerable purchasing power, which can impact the pricing and terms of sale of our products. Any deferral or significant reduction in the quantity or price of products sold to these principal customers could seriously harm our business, financial condition and results of operations.
ANY PROBLEM OR DISRUPTION IN OUR SUPPLY CHAIN, INCLUDING SUPPLY OF OUR MOST IMPORTANT RAW MATERIALS, OR IN OUR ABILITY TO MANUFACTURE OR DELIVER OUR PRODUCTS TO OUR CUSTOMERS, COULD ADVERSELY AFFECT OUR RESULTS OF OPERATIONS
We depend on our supply chain to enable us to meet the demands of our customers. Our supply chain includes the raw materials we use to manufacture our products, our production operations and the means by which we deliver our products to our customers. Our business could be adversely affected by any problem or interruption in the supply of the key raw materials we use in our products, including raw materials that do not meet the stringent quality and consistency requirements of our customers, any problem or interruption that may occur during production or delivery of our products, such as weather-related problems, natural disasters, global public health crises such as the ongoing Pandemic, geopolitical, trade or labor-related issues, civil unrest, or any difficulty in producing sufficient quantities of our products to meet growing demand from our customers. In particular, severe weather conditions have the potential to adversely affect our operations, damage facilities and increase our costs, and those conditions may also have an indirect effect on our operations by disrupting services provided by service companies or suppliers with whom we have a business relationship. Additionally, some of our full-time employees are represented by labor unions, works councils or comparable organizations, particularly in Mexico and Europe. An extended work stoppage, slowdown or other action by our employees could significantly disrupt our business. As our current agreements with labor unions and works councils expire, we cannot provide assurance that new agreements will be reached at the end of each period without union action, or that a new agreement will be reached on terms satisfactory to us. An extended work stoppage, slowdown or other action by our employees could significantly disrupt our business. Future labor contracts may be on terms that result in higher labor costs to us, which also could adversely affect our results of operations. Our supply chain may also be negatively impacted by unanticipated price increases due to supply restrictions beyond the control of our Company or our raw materials suppliers, such as those related to or arising from the Pandemic.
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We believe it would be difficult to promptly secure alternative sources of key raw materials in the event one of our suppliers becomes unable to supply us with sufficient quantities of raw materials that meet the quality and technical specifications required by us and our customers. In addition, new contract terms, forced production or manufacturing changes, contractual amendments to existing agreements with, or non-performance by, our suppliers, including any significant financial distress our suppliers may suffer, could adversely affect us. Also, if we change the supplier or type of key raw materials we use to make our products, in particular our electronic materials products, or are required to purchase them from a different manufacturer or manufacturing facility or otherwise modify our products, in certain circumstances our customers might have to requalify our products for their manufacturing processes and products. The requalification process could take a significant amount of time and expense to complete and could occupy technical resources of our customers that might otherwise be used to evaluate our new products, thus delaying potential revenue growth, or motivate our customers to consider purchasing products from our competitors, possibly interrupting or reducing our sales of products to these customers, especially sales of our electronic materials products to our semiconductor industry customers, but also with respect to our pipeline performancePIM products to our pipeline and adjacent industry customers.
OUR BUSINESS COULD BE SERIOUSLY HARMED IF OUR COMPETITORS DEVELOP COMPETITIVE PRODUCTS, OFFER BETTER PRICING, SERVICE OR OTHER TERMS, OR OBTAIN OR ASSERT CERTAIN INTELLECTUAL PROPERTY RIGHTS
Competition from other electronic materials or performance materials manufacturersproviders or any new entrants could seriously harm our business and results of operations, and this competition could continue to increase. Competition has and will likely continue to impact the prices we are able to charge for our products, as well as our overall business. In addition, our competitors could have, obtain or assert intellectual property rights that could affect or restrict our ability to market our existing products and/or to innovate and develop new products, thus increasing our costs of doing business, could attempt to introduce products similar to ours following the expiration of our patents, or could attempt to introduce products that do not fall within the scope of our intellectual property rights.
WE ARE SUBJECT TO RISKS ASSOCIATED WITH OUR FOREIGNINTERNATIONAL OPERATIONS
We currently have operations and a large customer base outside of the United States.U.S. Approximately 64%65% of our revenue was generated by sales to customers outside of the United StatesU.S. for the fiscal year ended September 30, 2019.2020. We may encounter risks in doing business in certain foreign countries other than the U.S., including, but not limited to, adverse changes in economic and political conditions, both in foreign locations and in the United StatesU.S. with respect to non-United Statesnon-U.S. operations of United StatesU.S. businesses like ours, geopolitical and/or trade tensions, global health crises such as the ongoing Pandemic, civil unrest, fluctuation in exchange rates, changes in international trade requirements and sanctions and/or tariffs that affect our business and that of our customers and suppliers, compliance with a variety of foreign laws and regulations and related audits and investigations, as well as difficulty in enforcing business and customer contracts and agreements, including protection of intellectual property rights. We also may encounter risks that we may not be able to repatriate additional earnings from our foreign operations outside of the U.S., derive anticipated tax benefits of our foreignthese operations or recover the investments made in our foreign operations,them, whether due to regulatory or policy changes in the United StatesU.S. or in the countries outside of the United StatesU.S. in which we do business, or other factors.
In particular, China continues to be an important market for the semiconductor industry, and an area of continued potential growth for us. As business volume between China and the rest of the world continueshas continued to grow, there is risk that geopolitical, regulatory, trade, political and global public health crises such as the Pandemic could adversely affect business for companies like ours based on the complex relationships among China, the United States,U.S., and other countries in the Asia Pacific region or elsewhere, which could have a material adverse impact on our business. In addition, there are risks that the Chinese government may, among other things, require the use of local suppliers, compel companies that do business in China to partner with local companies to conduct business, or, provide incentives to government-backed local customers to buy from local suppliers rather than companies like ours, all of which could adversely impact our business, including our results of operations. Also, as has been seen over our last fiscal year and through the first half of fiscal 2021, there are risks that the United StatesU.S. government may impose additional export restrictions on technology and products that companies that operate in the semiconductor industry supply to or use in China, which could adversely impact our business and our results of operations.
In addition, we have operations and customers located in the United Kingdom, which recently has exited the European Union. AlthoughUnion (“EU”). As the transitional provisions under which the United Kingdom and the European UnionEU have agreed to operate under transitional provisions under which most European Union law would remain in force in the United Kingdom untilexpired at the end of December 2020, it is at present unclear as to what trade agreementand the parties will operate under following such time, and whatare still in the process of implementing new trade agreements, the related impacts such might have on our business.business remain unclear.
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LEGAL, COMPLIANCE AND REGULATORY RISKS
WE ARE SUBJECT TO EXTENSIVE ENVIRONMENTAL LAWS AND REGULATIONS AND MAY INCUR COSTS THAT HAVE AN ADVERSE EFFECT ON OUR FINANCIAL CONDITION AS A RESULT OF VIOLATIONS OF OR LIABILITIES UNDER THEM
Like other companies involved in environmentally sensitive businesses, our operations and properties are subject to extensive and stringent federal, state, local and foreign EHSEnvironmental, Health and Safety (“ EHS”) laws and regulations, including those concerning, among other things:
•    the marketing, sale, use and registration of our chemical products, such as penta, which is part of the wood treatment business in our Performance Materials segment;
•    the treatment, storage and disposal of wastes;
•    the investigation and remediation of contaminated media including but not limited to soil and groundwater;
•    the discharge of effluents into waterways;
•    the emission of substances into the air; and
•    other matters relating to environmental protection and various health and safety matters.
The United States EPA and other federal and state agencies in the United States,U.S., as well as comparable agencies in other countries where we have facilities or sell our products, such as Canada or Mexico, have the authority to promulgate regulations that could have a material adverse impact on our operations. These EHS laws and regulations may require permits for certain types of operations, require the installation of expensive pollution control equipment, place restrictions upon operations or impose substantial liability for pollution and other EHS concerns resulting from our operations. Compliance with EHS laws and regulations has resulted in ongoing costs for us and could restrict our ability to modify or expand our facilities, continue production, require us to install costly pollution control equipment, or incur significant other expenses, including remediationenvironmental compliance costs. We are currently involved in investigation and remediationcontinue to manage environmental compliance activities at certain sites, such as at KMG-Bernuth's Tuscaloosa, Alabama facility as described in Note 1020 of "Notes“Notes to the Consolidated Financial Statements"Statements” included in Item 8 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019.2020. We have incurred, and expect to continue to incur, significant costs to comply with EHS laws or to address liabilities for contamination resulting from past or present operations. Federal, state and foreign governmental authorities may seek fines and penalties, as well as injunctive relief, for violation of EHS laws and regulations, and could, among other things, impose liability on us to cleanup or mitigate environmental, natural resources or other damages resulting from a release of pesticides, hazardous materials or other chemicals into the environment. We maintain insurance coverage for sudden and accidental environmental damages. We do not believe that insurance coverage for environmental damage that occurs over time is available at a reasonable cost. Also, we do not believe that insurance coverage for the full potential liability that could be caused by sudden and accidental incidences is available at a reasonable cost. Accordingly, we may be subject to an uninsured or under-insured loss in such cases; although unknown at present, the KMG-Bernuth warehouse fire, as described in Note 12 of Part 1 of this Report on Form 10-Q, may be such an instance.
The distribution, sale and use of our products is subject to prior governmental approvals and thereafter ongoing governmental regulation: Our products are subject to laws administered by federal, state and foreign governments, including regulations requiring registration, approval and labeling. The labeling requirements restrict the use and type of application for our products. More stringent restrictions could make our products less desirable which would adversely affect our sales and profitability. All venues where our penta products are used also require registration prior to marketing or use.
Governmental regulatory authorities have required, and may require in the future, that certain scientific testing and data production be provided on our products. Under the FIFRA,Federal Insecticide, Fungicide and Rodenticide Act (“FIFRA”), the EPA requires registrants to submit a wide range of scientific data to support U.S. registrations. This requirement significantly increases our Operating expenses, and we expect those expenses will continue in the future while we operate the wood treatment business. Because scientific analyses are constantly improving, we cannot determine with certainty whether or not new or additional tests may be required by regulatory authorities. While good laboratory practice standards specify the minimum practices and procedures that must be followed in order to ensure the quality and integrity of data related to these tests submitted to the EPA, there can be no assurance that the EPA will not request certain tests or studies be repeated. In addition, more stringent legislation or requirements may be imposed in the future. Amendments to the Toxic Substances Control Act TSCA could result in increased regulation and required testing of chemicals we manufacture and could increase the costs of compliance for our operations. We can provide no assurance that the cost of such compliance will not adversely affect our profitability. Our products could also be subject to other future regulatory action that may result in restricting or completely banning their use which could have an adverse effect on our performance and results of operations.
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1. The Registration, Evaluation and Authorization of Chemicals (“REACH”) legislation may affect our ability to manufacture and sell certain products in the European Union:EU: REACH requires chemical manufacturers and importers in the European UnionEU to prove the safety of their products. We were required to pre-register certain products and file comprehensive reports, including testing data, on each chemical substance, and perform chemical safety assessments. Additionally, substances of high concern are subject to an authorization process. Authorization may result in restrictions on certain uses of products or even prohibitions on the manufacture or importation of products. The full registration requirements of REACH arehave been phased in over several years. We will incuryears, and we have incurred additional expense to cause the registration of our products under these regulations. REACH may also affect our ability to import, manufacture and sell certain products in the European Union.EU. In addition, other countries and regions of the world already have or may adopt legislation similar to REACH that affect our business, affect our ability to import, manufacture or sell certain products in these jurisdictions, and have required or will require us to incur increased costs.
2. The classification of penta as a Persistent Organic Pollutant (“POP”) under the Stockholm Convention may adversely affect our ability to manufacture or sell our penta products: The Conference of the Parties (“COP”) accepted the recommendation of the United Nations Persistent Organic Pollutant Review Committee that the use of penta should be banned except that its use for the treatment of utility poles and crossarms could continue for an extended period of five to ten years. KMG-Bernuth supplies penta to industrial customers who use it primarily to treat utility poles and crossarms. The United StatesU.S. is not bound by the determination of the COP because it did not ratify the Stockholm Convention treaty. Canada and Mexico are governed by the treaty. KMG-Bernuth's sole penta manufacturing facility is located in Matamoros, Mexico, and its processing facility is located in Tuscaloosa, Alabama. As a result of the classification of penta as a POP, the Mexican government requires KMG-Bernuth to cease producing penta in Mexico by the end of calendar year 2021. In July 2020, the Canadian government released a proposed order that sales and use of penta in Canada be ceased, but such proposed order is subject to a comment period and is not final, and no timing for any such order, if implemented, has been proposed. In March 2021, the EPA issued a preliminary interim registration review decision(“PID”) proposing the cancellation of penta registration and implementation of a five-year phase-out period for production and sell-through of penta stocks. We do not believe the PID or the Canadian government proposed order have a significant adverse effect on our business since in July 2019, KMG-Bernuth had communicated plans to close both the Matamoros and Tuscaloosa facilities by such datethe end of calendar year 2021 and to consolidate into and build a new facility. However, in November 2019, we communicated that we willdid not build a new facility, and that we intend to explore various options forcontinue the wood treatment business.business past approximately the end of calendar year 2021. We took a restructuring charge and asset impairment charges in our fourth fiscal quarter of 2019, and asset impairment charges in each of our fourth fiscal quarters of 2020 and 2019, as well as our first two fiscal quarters of fiscal 2021, related to the decisiondecisions to close the Matamoros and Tuscaloosa facilities and to not build a new plant, and as described further in Note 4, we7 of Part 1 of this Report on Form 10-Q. We expect to take additional impairment charges related to the wood treatment business.business through the end of calendar year 2021. No assurance can be given that we will not incur significant expenditures in connection with closing the facilities, or that the ultimate action of the COP and our related decisions will not adversely impact on our financial condition and results of operation.
3. If our products are not re-registered by the EPA or are re-registered subject to new restrictions, our ability to sell our products may be curtailed or significantly limited: KMG-Bernuth's penta product registrations are under continuous review by the EPA under FIFRA. KMG-Bernuth has submitted and will continue to submit a wide range of scientific data to support its United States registrations. To satisfy the registration review, KMG-Bernuth is required to demonstrate, among other things, that its products will not cause unreasonable adverse effects on human health or the environment when used according to approved label directions. In September 2008, the EPA announced that it had determined that penta was eligible for re-registration, but the EPA proposed new restrictions on the use of penta that have required KMG-Bernuth's customers to incur substantial additional costs and to revise certain operating procedures. In December 2014, the EPA issued a registration review work plan that required penta registrants to provide additional research and testing data respecting certain potential risks to human health or the environment as a further condition to continued registration. KMG-Bernuth conducted required testing in accordance with the EPA's proposed work plan. In January 2020, the EPA published a Registration Review Draft Risk Assessment for Pentachlorophenol, dated June 27, 2019, which included several key preliminary EPA conclusions related to the safety and environmental risks of penta as a wood treating product. We have provided the EPA with responsive comments. We cannot predict when or if the EPA will issue a final decision concluding that the conditions of re-registration for its penta products and all additional testing requirements have been satisfied. We cannot assure you that KMG-Bernuth's products will not be subject to use or labeling restrictions that may have an adverse effect on our financial position and results of operations. The failure of KMG-Bernuth's products to be re-registered, to satisfy the registration review by the EPA, or the imposition of new use, labeling or other restrictions in connection with re-registration could have an adverse effect on our financial condition and results of operations.
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4. Our use of hazardous materials exposes us to potential liabilities: Our manufacturing and distribution of chemical products, such as our electronic chemicals, involves the controlled use of hazardous materials. Our operations, therefore, are subject to various associated risks, including chemical spills, discharges or releases of toxic or hazardous substances or gases, fires, mechanical failure, storage facility leaks and similar events. Our suppliers are subject to similar risks that may adversely impact the availability of raw materials. While we adapt our manufacturing and distribution processes to the environmental control standards of regulatory authorities, we cannot completely eliminate the risk of accidental contamination or injury from hazardous or regulated materials, including injury of our employees, individuals who handle our products or goods treated with our products, or others who claim to have been exposed to our products, nor can we completely eliminate the unanticipated interruption or suspension of operations at our facilities due to such events. We may be held liable for significant damages or fines in the event of contamination or injury, and such assessed damages or fines could have an adverse effect on our financial performance and results of operations.
CURRENT OR FUTURE CLIMATE CHANGE REGULATIONREGULATIONS COULD RESULT IN INCREASED OPERATING COSTS AND REDUCED DEMAND FOR OUR PRODUCTS
AlthoughThe U.S. has recently rejoined the U.S.Paris Climate Accord but to date, has not ratified the Kyoto Protocol, a number of federal laws relatedProtocol. The Clean Air Act has been interpreted to “greenhouse gas” or “GHG”regulate greenhouse gas (“GHG”) emissions have been considered by Congress. Because of the lack of any comprehensive legislation program addressing GHGs,and the EPA is using its existing regulatory authority to promulgatedevelop regulations requiring reduction in GHG emissions from various categories of sources, such as when a permit is required due to emissions of other pollutants. In addition,Because of the lack of any comprehensive legislation program addressing GHGs, a number of U.S. federal laws related to GHG emissions have been considered by the U.S. Congress from time to time and various state, local and regional regulations and initiatives have been enacted or are being considered related to GHGs.
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Member States of the European UnionEU each have an overall cap on emissions, which are approved by the European Commission, and implement the EU Emissions Trading Directive as a commitment to the Kyoto Protocol. Under this Directive, organizationsGHG emissions are regulated by Member States through the EU Emission Trading System and the EU Effort Sharing Decision/Regulation depending upon the industry sector. Organizations apply to the Member State for an allowance of GHG emissions. These allowances are tradable so as to enable companies that manage to reduce their GHG emissions to sell their excess allowances to companies that are not reaching their emissions objectives. Failure to purchase sufficient allowances will require the purchase of allowances at a current market price.
Any laws or regulations that may be adopted to restrict or reduce emissions of GHGs could cause an increase to our raw material costs, require us to incur increased operating costs, and have an adverse effect on demand for our products and our financial performance and results for our business.

In addition to GHG and climate change regulatory developments and legislation, we are continuing to evaluate and assess the potential impact on our business of the ongoing transition worldwide to a low carbon, resilient economy as well as physical effects resulting from climate change.
OUR PRODUCTS MAY BE RENDERED OBSOLETE OR LESS ATTRACTIVE BY CHANGES IN INDUSTRY REQUIREMENTS OR BY SUPPLY-CHAIN DRIVEN PRESSURES TO SHIFT TO ENVIRONMENTALLY PREFERABLE ALTERNATIVES

Changes in regulatory, legislative and industry requirements, or changes driven by supply-chain pressures, may shift current customers away from products using penta, products containing hazardous materials, or certain of our other products and toward alternative products that are believed to have fewer environmental effects. The EPA, foreign and state regulators, local governments, private environmental advocacy organizations, investors and investor advisory firms, and a number of large industrial companies have proposed or adopted policies designed to decrease the use of a variety of chemicals, including penta and others included in certain of our products, such as those containing hazardous materials.materials, or to counteract the growth of certain industries such as those in which customers served by our PIM products operate. Our ability to anticipate changes in regulatory, legislative, investor, and industry requirements, or changes driven by supply-chain pressures, affects our ability to remain competitive. Further, we may not be able to comply with changed or new regulatory or industrial standards that may be necessary for us to remain competitive.

We cannot assure you that the EPA, foreign and state regulators or local governments will not restrict the uses of penta or certain of our other products or ban the use of one or more of these products or the raw materials in them. Similarly, companies who use our products may decide to reduce significantly or cease the use of our products voluntarily. As a result, our products may become obsolete or less attractive to our customers.

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GENERAL COMMERCIAL, OPERATIONAL, FINANCIAL AND REGULATORY RISKS
BECAUSE WE RELY ON OUR INTELLECTUAL PROPERTY, OUR FAILURE TO ADEQUATELY OBTAIN OR PROTECT IT COULD SIGNIFICANTLY HARM OUR BUSINESS
Protection of intellectual property is particularly important in the semiconductor industry, which is the primary industry in which we participate, because we develop complex technical formulas and processes for products that are proprietary in nature and differentiate our products from those of our competitors. Our intellectual property is important to our success and ability to compete. We attempt to protect our intellectual property rights through a combination of patent, trademark, copyright and trade secret laws, as well as employee and third-party nondisclosure and assignment agreements. In addition, we protect our product differentiation through various other means, such as proprietary supply arrangements for certain raw materials, and use of certain manufacturing technologies. Due to our international operations, we pursue protection in different jurisdictions, which may provide varying degrees of protection, and we cannot provide assurance that we can obtain adequate protection in each such jurisdiction. Our failure to obtain or maintain adequate protection of our intellectual property rights for any reason, including through the patent prosecution process or in the event of litigation related to such intellectual property, which we pursue when necessary to protect our rights against others who are found to be misusing our intellectual property, could seriously harm our business. In addition, certain types of intellectual property, such as patents, expire after a certain period of time, and products protected by our patents then lose such protection, so we refresh our intellectual property portfolio on an ongoing basis through continued innovation, and failure to do so could adversely affect our business. Also, the costs of obtaining or protecting our intellectual property could negatively affect our operating results.

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OUR INABILITY TO ATTRACT AND RETAIN KEY PERSONNEL COULD CAUSE OUR BUSINESS TO SUFFER
We utilize and rely upon a global workforce. If we fail to attract and retain the necessary managerial, technical and customer support personnel, our business and our ability to maintain existing and obtain new customers, develop new products and provide acceptable levels of customer service could suffer. We compete worldwide with other participants in the industries in which we do business for qualified personnel, particularly those with significant experience in the semiconductor and pipeline industries. The loss of services of key employees, or our inability to obtain or maintain visas or other travel or residency documents on their behalf with respect to our business needs, could harm our business and results of operations. Periodically, we engage in succession planning for our key employees, and our Board of Directors reviews succession planning for our executive officers, including our chief executive officer, on an annual basis.

BECAUSE WE HAVE LIMITED EXPERIENCE IN BUSINESS AREAS OUTSIDE OF ELECTRONIC MATERIALS AND PERFORMANCE MATERIALS, EXPANSION OF OUR BUSINESS INTO OTHER PRODUCTS AND APPLICATIONS MAY NOT BE SUCCESSFUL
An element of our strategy has been to leverage our customer relationships, technological expertise and other capabilities and competencies to expand our business. For example, we have made acquisitions to expand beyond CMP consumables into other electronic materials product areas, as well as into performance materials product areas in which we have limited experience. Expanding our business into new product areas could involve technologies, production processes and business models in which we have limited experience, and we may not be able to develop and produce products or provide services that satisfy customers' needs, or we may be unable to keep pace with technological or other developments. Or, we may decide that we no longer wish to pursue these new business initiatives. Also, our competitors may have or obtain intellectual property rights that could restrict our ability to market our existing products and/or to innovate and develop new products.
TAX INCREASES OR CHANGES IN TAX RULES MAY ADVERSELY AFFECT OUR FINANCIAL RESULTS
As a company conducting business on a global basis, we are exposed, both directly and indirectly, to effects of changes in United States,U.S., state, local and foreign tax rules. In December 2017, comprehensive tax legislation commonly referred to as the Tax Act was enacted in the United States.U.S. under the Tax Act. Known and certain estimated effects based upon current interpretation of the Tax Act have been incorporated into our financial results. It may be necessary to adjust our income tax estimates, as we experienced in our second fiscal quarter of fiscal 2019 with respect to our previously reported Transition Tax described in Note 19 of “Notes to the Consolidated Financial Statements” included in Item 8 of Part II of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019. Adjustments to income tax amounts could be material to our results of operations and cash flows. In addition, there is a risk that the U.S. state or foreign jurisdictions may amend their tax laws, in response toincluding the Tax Act or otherwise, which could have a material impact on our future results of operations and cash flows.
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CERTAIN CRITICAL INFORMATION SYSTEMS COULD BE SUSCEPTIBLE TO CYBERSECURITY AND OTHER THREATS
We maintain and rely upon certain critical information systems for the effective operation of our business. These information systems include, but are not limited to, telecommunications, the Internet, our corporate intranet, various computer hardware and software applications, network communications, and email. These information systems may be owned and maintained by us, our outsourced providers, or third parties such as vendors, contractors, and Cloud providers. All of these information systems are subject to disruption, breach or failure from various sources including, but not limited to, attacks, degradation, and failures resulting from potential sources, including viruses, malware, denial of service, destructive or inadequate code, power failures, and physical damage. Confidential and/or sensitive information stored on these information systems, or transmitted to or from Cloud storage, could be intentionally or unintentionally compromised, lost, and/or stolen. While we have implemented security procedures and virus protection software, intrusion prevention systems, access control, and emergency recovery processes to mitigate risks like these with respect to information systems that are under our control, they are not fail-safe and may be subject to breaches. Further, we cannot assure that third parties upon whom we rely for various IT services will maintain sufficient vigilance and controls over their systems. Our inability to use or access these information systems at critical points in time, or unauthorized releases of personal or confidential information, could unfavorably impact the timely and efficient operation of our business, including our results of operations, and our reputation, as well as our relationships with our employees or other individuals whose information may have been affected by such cybersecurity incidents.

In addition, regulatory authorities have increased their focus on how companies collect, process, use, store, share and transmit personal data. Privacy security laws and regulations, including the United Kingdom's Data Protection Act 2018 and the European UnionEU General Data Protection Regulation 2016, and similar laws in countries such as Korea and Taiwan, among others, pose increasingly complex compliance challenges, which may increase compliance costs, and any failure to comply with data privacy laws and regulations could result in significant penalties that could adversely affect our business and results of operations.
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OUR ABILITY TO RAISE CAPITAL IN THE FUTURE MAY BE LIMITED, WHICH COULD PREVENT US FROM GROWING, AND OUR EXISTING CREDIT AGREEMENT COULD RESTRICT OUR BUSINESS ACTIVITIES

We may inIn the future we may be required to raise capital through public or private financing or other arrangements. Such financing may not be available on acceptable terms, or at all, and our failure to raise capital when needed could harm our business. Our Amended Credit Agreement contains financial and other covenants that may restrict our business activities or our ability to execute our strategic objectives, and our failure to comply with these covenants could result in a default under it. Furthermore, additional equity financing may dilute the interests of our common stockholders, and debt financing, if available, may involve restrictive covenants that could further restrict our business activities or our ability to execute our strategic objectives and could reduce our profitability. If we raise or borrow funds on acceptable terms, we may not be able to grow our business or respond to competitive pressures.

In addition, borrowings under our Amended Credit Agreement generally bear interest based on (a) a LIBOR, subject to a 0.00% floor, or (b) a base rate in each case, plus an applicable margin of, in the case of borrowings under the Term Loan Facility, 2.00% for LIBOR loans and 1.00% for base rate loans and, in the case of borrowings under the Revolving Credit Facility, initially, 1.50% for LIBOR loans and 0.50% for base rate loans. On July 27, 2017, the Financial Conduct Authority (the authority that regulates LIBOR) announced that it intends to stop compelling banks to submit rates for the calculation of LIBOR after 2021. In the United States,U.S., the Alternative Reference Rates Committee, (“ARRC”), the working group formed to recommend an alternative rate to LIBOR, has identified the Secured Overnight Financing Rate (“SOFR”) as its preferred alternative rate for USD LIBOR. When LIBOR ceases to exist after 2021, any calculation of interest based upon the Alternate Base Rate (or any comparable or replacement formulation), may result in higher interest rates. To the extent that these interest rates increase, our Interest expense will increase, which could adversely affect our financial condition, operating results and cash flows.

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RISKS RELATING TO THE MARKET PRICE FOR OUR COMMON STOCK

THE MARKET PRICE MAY FLUCTUATE SIGNIFICANTLY AND RAPIDLY

The market price of our common stock has fluctuated and could continue to fluctuate significantly as a result of factors such as: economic, geopolitical, global public health (i.e., the Pandemic), political and stock market conditions generally and specifically as they may impact participants in the semiconductor and related industries; and/or participants in oil and gas related industries; changes in financial estimates and recommendations by securities analysts who follow our stock; earnings and other announcements, and changes in market evaluations, by securities analysts, investors, market participants or others, of or related to, us or participants in the semiconductor and related industries; changes in business, trade or regulatory conditions affecting us or participants in the semiconductor and related industries; announcements or implementation by us, our competitors, or our customers of technological innovations, new products or different business strategies; changes in our capital deployment strategy, issuances of shares of our capital stock or entering into a business combination or other strategic transaction; and trading volume of our common stock. This has been evident since approximately March of 2020 in the wake of the significant adverse impact to global economic conditions of the Pandemic and also dislocation in the oil and gas sector.

ANTI-TAKEOVER PROVISIONS UNDER OUR CERTIFICATE OF INCORPORATION AND BYLAWS MAY DISCOURAGE THIRD PARTIES FROM MAKING AN UNSOLICITED BID FOR OUR COMPANY

Our certificate of incorporation and bylaws, and various provisions of the Delaware General Corporation Law may make it more difficult or expensive to effect a change in control of our Company. For instance, our amended and restated certificate of incorporation provides for the division of our Board of Directors into three classes as nearly equal in size as possible with staggered three-year terms.

We have adopted change in control arrangements covering our executive officers and other key employees. These arrangements provide for a cash severance payment, continued medical benefits and other ancillary payments and benefits upon termination of service of a covered employee's employment following a change in control, which may make it more expensive to acquire our Company.
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ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
ISSUER PURCHASES OF EQUITY SECURITIES
In January 2016,March 2021, our Board of Directors authorized an increase in the amount available under our share repurchase program to $150.0 million. As of June 30, 2020,March 31, 2021, there was $36.3$150.0 million of authorized repurchases remaining under the program. The manner in which the Company repurchases its shares is discussed in Part I, Item 2, Management’s Discussion and Analysis of Financial Condition and Results of Operations, under the heading “Liquidity and Capital Resources,” of this Report on Form 10-Q.  To date, we have funded share purchases under our share repurchase program from our available cash balance, and anticipate we will continue to do so.

PeriodTotal Number of Shares Purchased
(in thousands)
Average Price Paid Per ShareTotal Number of Shares Purchased as Part of Publicly Announced Plans or Programs
(in thousands)
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
(in thousands)
Apr. 1 through Apr. 30, 2020119  $112.95  119  $41,389  
May 1 through May 31, 202041  $124.17  41  $36,259  
June 1 through June 30, 2020—  $—  —  $36,259  
Total160  $115.84  160  $36,259  
PeriodTotal Number of Shares Purchased
(in thousands)
Average Price Paid Per ShareTotal Number of Shares Purchased as Part of Publicly Announced Plans or Programs
(in thousands)
Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs
(in thousands)
Jan. 1 through Jan. 31, 2021$151.00 $26,257 
Feb. 1 through Feb. 28, 2021— $— — $26,257 
Mar. 1 through Mar. 31, 2021— $— — $150,000 
Total$151.00 $150,000 

ITEM 3. DEFAULTS UPON SENIOR SECURITIES
Not applicable.

ITEM 4. MINE SAFETY DISCLOSURES
Not applicable.

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ITEM 6. EXHIBITS
The exhibit numbers in the following list correspond to the number assigned to such exhibits in the Exhibit Table of Item 601 of Regulation S-K:
Exhibit
Number
 Description
Directors’ Deferred Compensation Plan, as Amended and Restated February 25, 2021.*
Form of Non-Employee Director Annual Non-Qualified Stock Option Grant Agreement.*
Form of Non-Employee Director Annual Restricted Stock Unit Award Agreement.*
Certification of Chief Executive Officer pursuant to Rule 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Certification of Chief Financial Officer pursuant to Rule 13a-14(a) and 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101. INSXBRL Instance Document - The Instance Document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
101.SCHXBRL Taxonomy Extension Schema
101.CALXBRL Taxonomy Extension Calculation Linkbase
101.DEFXBRL Taxonomy Extension Definition Linkbase
101.LABXBRL Taxonomy Extension Label Linkbase
101.PREXBRL Taxonomy Extension Presentation Linkbase
104.Cover Page Interactive Data File - The Cover Page Interactive Data File does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.
*Management contract, or compensatory plan or arrangement.

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SIGNATURES
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.
CABOT MICROELECTRONICS CORPORATIONCMC MATERIALS, INC.
[Registrant]
Date: AugustMay 6, 20202021By:/s/ SCOTT D. BEAMER
Scott D. Beamer
Vice President and Chief Financial Officer
[Principal Financial Officer]
Date: AugustMay 6, 20202021By:/s/ JEANETTE A. PRESS
Jeanette A. Press
Corporate Controller
[Principal Accounting Officer]

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