1

                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 10-Q


              |X| QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                         FOR THE QUARTERLY PERIOD ENDED

                                DECEMBER 31, 2000

                                       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 CORPORATION
             (Exact name of registrant as specified in its charter)


                                         
                DELAWARE                                 36-4324765
        (State of Incorporation)            (I.R.S. Employer Identification No.)

         870 NORTH COMMONS DRIVE                            60504
            AURORA, ILLINOIS                             (Zip Code)
(Address of principal executive offices)


       Registrant's telephone number, including area code: (630) 375-6631

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, and (2) has been subject to such filing requirements
for the past 90 days.

                             YES  X    NO
                                -----     -----
As of January 31, 2001 the Company had 23,833,015 shares of Common Stock, par
value $0.001 per share, outstanding.


   2


                       CABOT MICROELECTRONICS CORPORATION

                                      INDEX



PART I. FINANCIAL INFORMATION                                                                                       PAGE
                                                                                                             

         Item 1.          Financial Statements

                          Statements of Income
                              Three Months Ended December 31, 2000 and 1999........................................    3

                          Pro Forma Statements of Income
                              Three Months Ended December 31, 2000 and 1999........................................    4

                          Balance Sheets
                              December 31, 2000 and September 30, 2000.............................................    5

                          Statements of Cash Flows
                              Three Months Ended December 31, 2000 and 1999........................................    6

                          Notes to Financial Statements............................................................    7

         Item 2.          Management's Discussion and Analysis of Financial
                              Condition and Results of Operations..................................................   10

         Item 3.          Quantitative and Qualitative Disclosures About Market Risk...............................   20

PART II. OTHER INFORMATION

         Item 1.          Legal Proceedings........................................................................   21

         Item 6.          Exhibits and Reports on Form 8-K.........................................................   21




   3







PART I. FINANCIAL INFORMATION
ITEM 1.

CABOT MICROELECTRONICS CORPORATION
STATEMENTS OF INCOME
(UNAUDITED AND IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)



                                                                      THREE MONTHS
                                                                    ENDED DECEMBER 31
                                                                   2000            1999
                                                              -------------    ------------
                                                                         
Revenue  ...................................................  $      68,616    $     35,046

Cost of goods sold .........................................         32,563          16,310
                                                              -------------    ------------

         Gross profit.......................................         36,053          18,736

Operating expenses:
   Research and development.................................          6,538           4,576
   Selling and marketing....................................          2,269           1,357
   General and administrative...............................          5,147           3,575
   Amortization of goodwill and other intangibles...........            179             180
                                                              -------------    ------------
      Total operating expenses..............................         14,133           9,688
                                                              -------------    ------------

Operating income............................................         21,920           9,048

Other income ...............................................            437               -
                                                              -------------    ------------
Income before income taxes..................................         22,357           9,048
Provision for income taxes..................................          7,918           3,300
                                                              -------------    ------------

      Net income............................................  $      14,439    $      5,748
                                                              =============    ============

Basic net income per share..................................  $        0.61    $       0.30
                                                              =============    ============

Weighted average basic shares outstanding...................         23,608          18,990
                                                              =============    ============

Diluted net income per share................................  $        0.59    $       0.30
                                                              =============    ============

Weighted average diluted shares outstanding.................         24,290          18,990
                                                              =============    ============



              The accompanying notes are an integral part of these
                              financial statements.

                                       3
   4


CABOT MICROELECTRONICS CORPORATION
PRO FORMA STATEMENTS OF INCOME
(UNAUDITED AND IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)



                                                                        THREE MONTHS
                                                                      ENDED DECEMBER 31
                                                                   2000          1999 (A)
                                                              -------------    ------------
                                                                         
Revenue  ...................................................  $      68,616    $     34,804

Cost of goods sold .........................................         32,563          17,372
                                                              -------------    ------------

         Gross profit.......................................         36,053          17,432

Operating expenses:
   Research and development.................................          6,538           4,576
   Selling and marketing....................................          2,269           1,357
   General and administrative ..............................          5,147           3,575
   Amortization of goodwill and other intangibles...........            179             180
                                                                -----------    ------------
         Total operating expenses...........................         14,133           9,688
                                                                -----------    ------------

Operating income............................................         21,920           7,744

Other income (expense) .....................................            437            (316)
                                                                -----------    ------------
Income before income taxes..................................         22,357           7,428
Provision for income taxes .................................          7,918           2,709
                                                                -----------    ------------

         Net income.........................................    $    14,439    $      4,719
                                                                ===========    ============

Basic net income per share .................................    $      0.61    $       0.25
                                                                ===========    ============

Weighted average basic shares outstanding ..................         23,608          18,990
                                                                ===========    ============

Diluted net income per share ...............................    $      0.59    $       0.25
                                                                ===========    ============

Weighted average diluted shares outstanding ................         24,290          18,990
                                                                ===========    ============



(a)  Reflects the revenue and cost of goods sold which would have resulted had
     our dispersion services agreement and fumed metal oxide supply agreement
     with Cabot Corporation been in effect. Also includes interest expense which
     would have been incurred on the borrowings necessary to finance a dividend
     to Cabot Corporation.

              The accompanying notes are an integral part of these
                         pro forma financial statements.



                                       4
   5


CABOT MICROELECTRONICS CORPORATION
BALANCE SHEETS
(IN THOUSANDS, EXCEPT SHARE AMOUNTS)



                                                                                        DECEMBER 31,      SEPTEMBER 30,
                                                                                           2000               2000
                                                                                     ----------------    --------------
                                                                                        (UNAUDITED)
                                                                                                   

                                     ASSETS:
Current assets:
   Cash and cash equivalents......................................................   $         15,227    $        9,971
   Accounts receivable, less allowance for doubtful
      accounts of $430 at December 31, 2000
      and $233 at September 30, 2000..............................................             43,445            30,595
   Inventories....................................................................             14,730            14,014
   Prepaid expenses and other current assets......................................              2,575             2,752
   Deferred income taxes..........................................................              2,339             1,721
                                                                                     ----------------    --------------
         Total current assets.....................................................             78,316            59,053

Property, plant and equipment, net................................................             75,814            71,873
Goodwill, net.....................................................................              1,257             1,328
Other intangible assets, net......................................................              1,891             2,002
Deferred income taxes.............................................................              1,282             1,271
Other assets......................................................................                484               579
                                                                                     ----------------    --------------
         Total assets.............................................................   $        159,044    $      136,106
                                                                                     ================    ==============

                                        LIABILITIES AND STOCKHOLDERS' EQUITY:
Current liabilities:
   Accounts payable...............................................................   $          9,789    $       11,646
   Accrued expenses and other current liabilities.................................             14,220            12,554
   Income taxes payable...........................................................              7,832                 -
                                                                                     ----------------    --------------
         Total current liabilities................................................             31,841            24,200

   Long-term debt.................................................................              3,500             3,500
   Deferred income taxes..........................................................                160               160
   Deferred compensation..........................................................                650               684
                                                                                     ----------------    --------------
         Total liabilities........................................................             36,151            28,544

Commitments and contingencies

Stockholders' equity:
   Common stock:
      Authorized: 200,000,000 shares, $0.001 par value
      Issued and outstanding: 23,644,936 shares at December 31, 2000 and
      23,590,293 at September 30, 2000 ...........................................   $             24    $           24
   Capital in excess of par value of common stock.................................             90,734            88,290
   Retained earnings..............................................................             32,977            18,538
   Accumulated other comprehensive income (loss)..................................               (534)              792
   Unearned compensation..........................................................               (308)              (82)
                                                                                     -----------------   ---------------
         Total stockholders' equity...............................................            122,893           107,562
                                                                                     ----------------    --------------

         Total liabilities and stockholders' equity...............................   $        159,044    $      136,106
                                                                                     ================    ==============



              The accompanying notes are an integral part of these
                              financial statements.

                                       5
   6


CABOT MICROELECTRONICS CORPORATION
STATEMENTS OF CASH FLOWS
(UNAUDITED AND IN THOUSANDS)




                                                                                               THREE MONTHS ENDED
                                                                                                  DECEMBER 31,
                                                                                          2000               1999
                                                                                    ---------------     ---------------

                                                                                                  
Cash flows from operating activities:
   Net Income...................................................................    $       14,439      $         5,748
   Adjustments to reconcile net income to net cash
      provided by operating activities:
      Depreciation and amortization.............................................             1,815                  932
      Noncash compensation expense..............................................               568                  275
      Provision for inventory writedown.........................................               350                    -
      Stock option income tax benefits..........................................               555                    -
      Deferred income tax (benefit) expense.....................................              (629)                  52
      (Gain) on disposal of property, plant
        and equipment...........................................................                 -                   (5)
   Changes in operating assets and liabilities:
      Accounts receivable.......................................................           (13,671)              (2,547)
      Inventories...............................................................              (641)              (3,353)
      Prepaid expenses and other current assets.................................                20                 (482)
      Other noncurrent assets...................................................                95                    -
      Accounts payable..........................................................            (1,679)                 219
      Accrued expenses and other current liabilities............................             2,153                 (596)
      Income taxes payable......................................................             7,819                    -
Deferred compensation...........................................................               (34)                 106
                                                                                    ---------------     ---------------
Net cash provided by operating activities.......................................            11,160                  349

Cash flows from investing activities:
   Additions to property, plant and equipment...................................            (6,906)              (7,196)
   Proceeds from the sale of property, plant,
         and equipment..........................................................                 2                    6
                                                                                    --------------      ---------------
Net cash used by investing activities...........................................            (6,904)              (7,190)
                                                                                    --------------      ---------------

Cash flows from financing activities:
   Net proceeds from issuance of stock..........................................               776                    -
   Net capital contributed by Cabot Corporation.................................                 -                6,922
                                                                                    --------------      ---------------
Net cash provided by financing activities.......................................               776                6,922
                                                                                    --------------      ---------------

Effect of exchange rate changes on cash.........................................               224                  (16)
                                                                                    --------------      ----------------
Increase in cash................................................................             5,256                   65
Cash and cash equivalents at beginning of period................................             9,971                   38
                                                                                    --------------      ---------------
Cash and cash equivalents at end of period......................................    $       15,227      $           103
                                                                                    ==============      ===============



                 The accompanying notes are an integral part of
                           these financial statements.

                                       6
   7


                       CABOT MICROELECTRONICS CORPORATION
                          NOTES TO FINANCIAL STATEMENTS
        (UNAUDITED AND IN THOUSANDS, EXCEPT SHARE AND PER SHARE AMOUNTS)


1.  BACKGROUND AND BASIS OF PRESENTATION

     We are the leading supplier of high performance polishing slurries used in
the manufacture of the most advanced integrated circuit ("IC") devices, within a
process called chemical mechanical planarization ("CMP"). We believe that we
supply approximately 80% of the slurries sold to IC device manufacturers
worldwide. CMP is a polishing process used by IC device manufacturers to
planarize many of the multiple layers of material that are built upon silicon
wafers to produce advanced devices.

     The unaudited financial statements have been prepared by Cabot
Microelectronics Corporation ("Cabot Microelectronics", "the Company", "us",
"we", or "our"), pursuant to the rules of the Securities and Exchange Commission
("SEC") and accounting principles generally accepted in the United States of
America. In the opinion of management, these unaudited financial statements
include all adjustments necessary for the fair presentation of Cabot
Microelectronics' financial position, results of operations and cash flows for
the three months ended December 31, 2000 and December 31, 1999. Our financial
statements reflect the historical results of operations, financial position and
cash flows of Cabot Microelectronics, which prior to the initial public offering
and spin-off discussed in Note 2, operated as a division and subsidiary
(incorporated October, 1999) of Cabot Corporation ("Cabot"). The results of
operations for the three months ended December 31, 2000 may not be indicative of
the results to be expected for the fiscal year ending September 30, 2001. These
financial statements should be read in conjunction with the financial statements
and related notes thereto included in Cabot Microelectronics' Annual Report on
Form 10-K for the fiscal year ended September 30, 2000. We operate predominantly
in one industry segment - the development, manufacture, and sale of CMP
slurries. Certain reclassifications of prior fiscal year amounts have been made
to conform with the current period presentation.

     The balance sheets have been prepared using the historical basis of
accounting and include all of the assets and liabilities specifically
identifiable to Cabot Microelectronics. The statements of income include all
revenue and costs attributable to Cabot Microelectronics. For the three months
ended December 31, 1999, the statements of income include an allocation from
Cabot Corporation of employee benefits and costs of shared services (including
legal, finance, human resources, information systems, corporate office, and
safety, health and environmental expenses). These costs were allocated to Cabot
Microelectronics based on criteria that management believes to be equitable,
such as Cabot Microelectronics' revenue, headcount, or actual utilization in
proportion to Cabot Corporation's revenue, headcount, or actual utilization.
Management believes this provides a reasonable estimate of the costs
attributable to Cabot Microelectronics. For the three months ended December 31,
1999, such allocated costs amounted to $1,487. Allocated costs may not
necessarily be indicative of the costs that would have been incurred by Cabot
Microelectronics on a stand-alone basis.


2.  SEPARATION FROM CABOT CORPORATION

     In July 1999, Cabot Corporation announced its plans to create an
independent publicly-traded company, Cabot Microelectronics, comprised of its
Microelectronics Materials Division. Cabot Microelectronics, which was
incorporated in October 1999, completed its initial public offering in April
2000 ("initial public offering"), receiving net proceeds of $82,765, after
deducting underwriting commissions and offering expenses, from the sale of
4,600,000 shares of common stock. Following the completion of the initial public
offering, Cabot Corporation owned approximately 80.5% of Cabot Microelectronics'
outstanding common stock. Cabot Microelectronics paid Cabot Corporation
aggregate dividends of $81,300 of which $17,000 was paid from borrowings under a
term credit facility prior to the initial public offering and $64,300 was paid
with proceeds from the initial public offering.

     On September 29, 2000, Cabot Corporation effected the spin-off
("spin-off"), of Cabot Microelectronics by distributing 0.280473721 shares of
Cabot Microelectronics common stock as a dividend on each outstanding share of
Cabot Corporation common stock outstanding on September 13, 2000, or an
aggregate of 18,989,744 shares of Cabot Microelectronics common stock.

                                       7
   8


                       CABOT MICROELECTRONICS CORPORATION
                   NOTES TO FINANCIAL STATEMENTS - (CONTINUED)
                (UNAUDITED AND IN THOUSANDS, EXCEPT SHARE AND PER
                                 SHARE AMOUNTS)


3. NET INCOME PER SHARE

     Basic and diluted net income per share for the three months ended December
31, 1999 have been calculated using the pro forma 18,989,744 shares that were
owned by Cabot Corporation prior to the closing of the initial public offering.
These shares take into consideration a 18,989,744 to 1 stock split which
occurred subsequent to March 31, 2000, but prior to the completion of the
initial public offering.


4. DERIVATIVES

     In the first quarter of fiscal 2001, Cabot Microelectronics adopted
Statement of Financial Accounting Standards No. 133 ("SFAS 133"), "Accounting
for Derivative Instruments and Hedging Activities," which establishes accounting
and reporting standards for derivative instruments and for hedging activities.
All derivatives, whether designated in hedging relationships or not, are
required to be recorded on the balance sheet at fair value. If the derivative is
designated as a fair value hedge, the changes in the fair value of the
derivative and of the hedged item attributable to the hedged risk are recognized
in earnings. If the derivative is designated as a cash flow hedge, the effective
portions of changes in the fair value of the derivative are recorded in other
comprehensive income and are recognized in the income statement when the hedged
item affects earnings. Ineffective portions of changes in the fair value of cash
flow hedges are recognized in earnings.

     The adoption of SFAS 133 resulted in a reduction to comprehensive income
for the three months ended December 31, 2000 of $160. This was attributable to
unrealized losses on derivatives designated as cash flow hedges which were
entered into to hedge commitments involving construction contracts associated
with our Geino, Japan expansion. We will reclassify gains and losses associated
with cash flow hedges into earnings in the same period or periods in which
related assets affect earnings. There were no other significant derivatives as
of December 31, 2000. The adoption of SFAS 133 did not have a material impact on
the Company's operations or financial position.


5. COMPREHENSIVE INCOME

     The components of comprehensive income are as follows (in thousands):



                                                                      THREE MONTHS
                                                                   ENDED DECEMBER 31,
                                                                   2000            1999
                                                              -------------     -----------
                                                                          
         Net Income.......................................    $     14,439      $     5,748
         Other comprehensive income:
              Net unrealized loss on derivative instruments           (160)               -
              Foreign currency translation adjustment.....          (1,166)              34
                                                              -------------     -----------
         Total comprehensive income.......................    $     13,113      $     5,782
                                                              ============      ===========



6. INVENTORIES

   Inventories consisted of the following:



                                                                                             DECEMBER 31,    SEPTEMBER 30,
                                                                                                2000             2000
                                                                                             ------------    -------------
                                                                                                       
         Raw materials...................................................................    $     10,104     $    9,139
         Work in process.................................................................               -             28
         Finished goods..................................................................           4,626          4,847
                                                                                             ------------     ----------
         Total...........................................................................    $     14,730     $   14,014
                                                                                             ============     ==========

                                       8
   9

                       CABOT MICROELECTRONICS CORPORATION
                   NOTES TO FINANCIAL STATEMENTS - (CONTINUED)
                (UNAUDITED AND IN THOUSANDS, EXCEPT SHARE AND PER
                                 SHARE AMOUNTS)


7. LONG-TERM DEBT

     At December 31, 2000 debt was comprised of an unsecured term loan in the
amount of $3,500 funded on the basis of the State of Illinois State Treasurer's
Economic Program which is due on June 1, 2005 and incurs interest at an annual
rate of 6.37%. We originally borrowed $17,000 under a term credit facility and
paid the proceeds of this borrowing to Cabot Corporation as a dividend. The
original debt was comprised of a term loan in the amount of $13,500 and the
$3,500 term loan referred to above. During the third quarter of 2000, Cabot
Microelectronics repaid the $13,500 term loan and subsequent to June 30, 2000,
this term loan was converted to a revolving line of credit of $8,500 described
below.

     We also have a $25,000 unsecured revolving credit facility which terminates
in March 29, 2003. Interest is incurred at either the institution's base rate or
the LIBOR rate plus an applicable margin. We also have a $8,500 revolving line
of credit which terminates in June 1, 2003. Interest is incurred at either the
institution's base rate or the Eurodollar rate plus an applicable margin. Loans
under both facilities will be used primarily for general corporate purposes,
including working capital and capital expenditures. No amounts were outstanding
under either line of credit at December 31, 2000 or September 30, 2000.


8. CONTINGENCIES

     In June 1998, one of our major competitors, Rodel Inc., filed a lawsuit
against Cabot Corporation in the United States District Court for the District
of Delaware entitled Rodel, Inc. v. Cabot Corporation (Civil Action No. 98-352).
In this lawsuit, Rodel has requested a jury trial and is seeking a permanent
injunction and an award of compensatory, punitive, and other damages relating to
allegations that Cabot Corporation is infringing United States Patent No.
4,959,113 (entitled "Method and Composition for Polishing Metal Surfaces"),
which is owned by an affiliate of Rodel. We refer to this patent as the Roberts
patent and this lawsuit as the Roberts lawsuit. Cabot Corporation filed an
answer and counterclaim seeking dismissal of the Roberts lawsuit with prejudice,
a judgment that Cabot Corporation is not infringing the Roberts patent and/or
that the Roberts patent is invalid, and other relief. Cabot Corporation
subsequently filed a motion for summary judgment that the Roberts patent is
invalid because all of the claims contained in the patent were not sufficiently
different under applicable patent law from subject matter contained in
previously granted patents, specifically United States Patents Nos. 4,705,566,
4,956,015 and 4,929,257, each of which is owned by a third party not affiliated
with Rodel or us. This motion was denied on September 30, 1999 based on the
court's finding that there were genuine issues of material fact to be determined
at trial. After the ruling on the summary judgment motion, Rodel filed a request
for reexamination of the Roberts patent with the United States Patent and
Trademark Office (PTO), which was granted on November 12, 1999. On March 28,
2000 the court issued an order staying the Roberts action, which presently is in
the discovery stage, pending completion of the reexamination of the Roberts
patent by the PTO. While to our knowledge, as of January 31, 2001, the
reexamination of the Roberts patent still has not been completed, in December,
2000 the PTO issued a notice of intent to issue a reexamination certificate for
the Roberts patent. In light of the reexamination, on September 29, 2000, the
court denied the parties' respective motions to amend and dismiss, with leave to
refile subsequent to completion of the reexamination.

     In April 1999, Rodel commenced a second lawsuit against Cabot Corporation
in the United States District Court for the District of Delaware entitled Rodel,
Inc. v. Cabot Corporation (Civil Action No. 99-256). In this lawsuit, Rodel has
requested a jury trial and is seeking a permanent injunction and an award of
compensatory, punitive, and other damages relating to allegations that Cabot
Corporation is infringing two other patents owned by an affiliate of Rodel.
These two patents are United States Patent No. 5,391,258 (entitled "Compositions
and Methods for Polishing") and United States Patent No. 5,476,606 (entitled
"Compositions and Methods for Polishing"). We refer to these patents as the
Brancaleoni patents and this lawsuit as the Brancaleoni lawsuit. Cabot
Corporation has filed an answer and counterclaim to the complaint seeking
dismissal of the complaint with prejudice, a judgment that Cabot Corporation is
not infringing the Brancaleoni patents and/or that the Brancaleoni patents are
invalid, and other relief. On September 29, 2000, the court denied Cabot
Corporation's motion to dismiss, and granted Rodel's leave to amend the
Brancaleoni lawsuit to add Rodel's affiliate that owns the Brancaleoni patents,
Rodel Holdings, Inc. ("Rodel Holdings"), as a plaintiff. On October 24, 2000,
Rodel and Rodel Holdings filed an amended complaint that added

                                       9
   10



                       CABOT MICROELECTRONICS CORPORATION
                   NOTES TO FINANCIAL STATEMENTS - (CONTINUED)
                (UNAUDITED AND IN THOUSANDS, EXCEPT SHARE AND PER
                                 SHARE AMOUNTS)


Rodel Holdings as a plaintiff to the Brancaleoni lawsuit. On November 6, 2000,
Cabot Corporation filed its answer and counterclaim seeking a judgement that
Cabot Corporation is not infringing the Brancaleoni patents and/or that the
Brancaleoni patents are invalid, and other relief. The Brancaleoni lawsuit is
presently in the discovery stage. On January 18, 2001, the court amended its
scheduling order and set June 15, 2001 for completion of discovery, October 25,
2001 for a final pretrial conference, and February, 2002 for the commencement of
trial.

     In the Roberts lawsuit, the only product that Rodel to date has alleged
infringes the Roberts patent is our W2000 slurry, which is used to polish
tungsten and which currently accounts for a significant portion of our total
revenue. In the Brancaleoni lawsuit, Rodel and Rodel Holdings have not alleged
that any specific product infringes the Brancaleoni patents; instead, Rodel and
Rodel Holdings allege that our United States Patent No. 5,858,813 (entitled
"Chemical Mechanical Polishing Slurry for Metal Layers and Films" and which
relates to a CMP polishing slurry for metal surfaces including, among other
things, aluminum and copper) is evidence that Cabot Corporation is infringing
the Brancaleoni patents through the manufacture and sales of unspecified
products. At this stage, we cannot predict whether or to what extent Rodel
and/or Rodel Holdings will make specific infringement claims with respect to any
of our products other than W2000 in these or any future proceedings. It is
possible that Rodel and/or Rodel Holdings will claim that many of our products
infringe its patents.

      Although Cabot Corporation is the only named defendant in these lawsuits,
the defense of which we have assumed and now are controlling, we have agreed to
indemnify Cabot Corporation for any and all losses and expenses arising out of
this litigation as well as any other litigation arising out of our business.
While we believe there are meritorious defenses to the pending actions and
intend to defend them vigorously, these defenses may not be successful. If Rodel
(and/or Rodel Holdings) prevails in either of these cases, we may have to pay
damages and, in the future, may be prohibited from producing any products found
to infringe or required to pay Rodel (and/or Rodel Holdings) royalty and
licensing fees with respect to sales of those products. It is not possible to
estimate the amount of a probable loss, if any, that might result from this
matter. Accordingly, no provision has been made in our financial statements.


9. RECENT ACCOUNTING PRONOUNCEMENTS

     In December 1999, the SEC released Statement of Accounting Bulletin No. 101
("SAB 101"), which provides guidance on the recognition, presentation and
disclosure of revenue in financial statements filed with the SEC. Cabot
Microelectronics Corporation is required to be in conformity with the provisions
of SAB 101 no later than July 1, 2001 and we do not expect a material change in
our financial condition or results of operations as a result of the adoption of
SAB 101.

ITEM 2. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
        OF OPERATIONS

     The following "Management's Discussion and Analysis of Financial Condition
and Results of Operations" includes "forward-looking statements" within the
meaning of the Private Securities Litigation Reform Act of 1995. 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 Form 10-Q are forward-looking. In particular, the statements herein
regarding industry prospects, our future results of operations or financial
position and statements preceded by, followed by or that include the words
"intends", "estimates", "plans", "believes", "expects", "anticipates", "should",
"could", or similar expressions, are forward-looking statements. Forward-looking
statements reflect our current expectations and are inherently uncertain. Our
actual results may differ significantly from our expectations. We assume no
obligation to update this forward-looking information. The section entitled
"Factors Affecting Future Operating Results" describes some, but not all, of the
factors that could cause these differences. This section, "Management's
Discussion and Analysis of Financial Condition and Results of Operations",
should be read in conjunction with

                                       10
   11

the financial statements and related notes thereto included in Cabot
Microelectronics' Annual Report on Form 10-K for the fiscal year ended September
30, 2000.


OVERVIEW

     Prior to our initial public offering on April 4, 2000, we operated as a
division of Cabot Corporation, a global chemical manufacturing company based in
Boston, Massachusetts. On September 29, 2000, Cabot Corporation effected the
spin-off of Cabot Microelectronics Corporation by distributing 0.280473721
shares of our common stock as a dividend on each outstanding share of Cabot
Corporation common stock outstanding on September 13, 2000, or an aggregate of
18,989,744 shares of our common stock.

     We are the leading supplier of high performance polishing slurries used in
the manufacture of the most advanced IC devices, through a process called CMP.
We believe that we supply approximately 80% of the slurries sold to IC device
manufacturers worldwide. CMP is a polishing process used by IC device
manufacturers to planarize many of the multiple layers of material that are
built upon silicon wafers to produce advanced devices. Planarization is a
polishing process that levels and smooths, and removes the excess material from,
the surfaces of these layers. CMP slurries are liquids containing engineered
abrasives and proprietary chemicals that facilitate and enhance this polishing
process. CMP enables IC device manufacturers in producing smaller, faster and
more complex IC devices with fewer defects. We believe CMP will become
increasingly important in the future as manufacturers seek to further shrink the
size of these devices and improve their performance. Most of our CMP slurries
are used to polish insulating layers and the tungsten plugs that go through the
insulating layers and connect the multiple wiring layers of IC devices. We are
developing and selling new slurries used to polish copper, a new metal used in
wiring layers of IC device fabrication. Also, we have developed and have begun
sales of new CMP slurries designed for polishing several components in hard disk
drives, specifically rigid disks and magnetic heads. We continue to develop
slurries for additional new applications. In addition, we have recently begun
producing and selling polishing pads used in the CMP process.


BASIS OF PRESENTATION

     The following "Management's Discussion of Results of Operations" contains
unaudited pro forma results which reflect adjustments to our historical results
of operations for the three months ended December 31, 1999 to give effect to
various transactions as if those transactions had been consummated as of the
periods presented. We historically sold various dispersion products to Cabot
Corporation at our cost of manufacturing. We entered into a dispersion services
agreement with Cabot Corporation, which became effective upon the completion of
our initial public offering, under which we provide dispersion products to Cabot
Corporation at our cost plus a standard margin. Under this agreement, Cabot
Corporation supplies us with the fumed metal oxide raw materials for these
dispersions at no cost to us, which should reduce both our cost of goods sold
and revenue for these dispersions. In addition, we historically purchased fumed
metal oxides, critical raw materials for our slurries, from Cabot Corporation at
their budgeted standard cost. We entered into a fumed metal oxide supply
agreement with Cabot Corporation, which became effective on April 4, 2000 under
which we purchase fumed metal oxides at a contractually agreed upon price. The
agreement provides for fixed price increases each year and other price increases
if Cabot Corporation's cost of producing fumed metal oxides increases. We
believe the assumptions used provide a reasonable basis for presenting the
significant effects directly attributable to these agreements. The unaudited pro
forma results of income are not necessarily indicative of the results that would
have been reported had such events actually occurred on the dates specified, nor
are they indicative of our future results.


                              RESULTS OF OPERATIONS

THREE MONTHS ENDED DECEMBER 31, 2000 VERSUS THREE MONTHS ENDED DECEMBER 31, 1999

REVENUE

     Total revenue was $68.6 million for the three months ended December 31,
2000, which represented a 96%, or $33.6 million, increase from the three months
ended December 31, 1999. Of this increase, $28.1 million was due to a 80%
increase in volume

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and $5.5 million was due to increased weighted average selling prices. The
volume growth was driven mainly by the increased use of CMP slurries in the
manufacture of IC devices.

COST OF GOODS SOLD

     Total cost of goods sold was $32.6 million for the three months ended
December 31, 2000, which represented an increase of 100% or $16.3 million from
the three months ended December 31, 1999. Of this increase, $13.1 million was
due to higher sales volume and $3.2 million was due to higher weighted average
costs per gallon. These higher costs resulted from improved quality
requirements, higher raw material costs resulted from the fumed metal oxide
supply agreement with Cabot Corporation, and higher manufacturing and
distribution costs associated with our increased activities in the Asia Pacific
region.

     Total cost of goods sold of $32.6 million for the three months ended
December 31, 2000 increased 87% or 15.2 million over costs of goods sold on a
pro forma basis for the three months ended December 31, 1999. Pro forma cost of
goods sold represents results had our dispersion services agreement and fumed
metal oxide supply agreement with Cabot Corporation been in effect.

GROSS PROFIT

     Our gross profit as a percentage of net revenue was 52.5% for the three
months ended December 31, 2000 as compared to 53.5% for the three months ended
December 31, 1999. The decrease in gross profit resulted primarily from higher
raw material costs resulting from the fumed metal oxide supply agreement with
Cabot Corporation, and higher manufacturing and distribution costs associated
with our increased activities in the Asia Pacific region. On a pro forma basis,
gross margin for the three months ended December 31, 1999 would have been 50.1%
of net revenue.


RESEARCH AND DEVELOPMENT

     Research and development expenses were $6.5 million in the three months
ended December 31, 2000, which represented an increase of 43%, or $2.0 million,
from the three months ended December 31, 1999. Of this increase, $1.1 million
was due to costs associated with higher staffing levels and $0.2 million of
increased depreciation relating to clean room equipment. Various other increases
of $0.9 million were offset by the absence of $0.2 million in R&D allocations
from Cabot Corporation. Key activities during the three months ended December
31, 2000 involved the continued development of new and enhanced slurry products,
new CMP polishing pad technology and advanced particle technology.

SELLING AND MARKETING

     Selling and marketing expenses were $2.3 million in the three months ended
December 31, 2000, which represented an increase of 67%, or $0.9 million, for
the three months ended December 31, 1999. The increase was primarily due to the
hiring of customer support personnel in our North America and Asia Pacific
regions.

GENERAL AND ADMINISTRATIVE

     General and administrative expenses were $5.1 million in the three months
ended December 31, 2000, which represented an increase of 44%, or $1.6 million,
from the three months ended December 31, 1999. The increase resulted from an
additional $1.3 million of personnel related costs due to increased staffing
needed to support the general growth of the business and $0.2 million in
continued support regarding the separation of our information technology from
Cabot Corporation. Other increases of $0.7 million were partially offset by the
absence of $0.6 million in corporate allocations from Cabot Corporation as Cabot
Microelectronics established its own corporate departments.

AMORTIZATION OF GOODWILL AND OTHER INTANGIBLES

     Amortization of goodwill and other intangibles was $0.2 million in the
three months ended December 31, 2000 and the three months ended December 31,
1999 and related to goodwill and other intangible assets associated with the
acquisition of selected distributor assets from a third party in 1995.

PROVISION FOR INCOME TAXES

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     The effective tax rate on income from operations was 35% in the three
months ended December 31, 2000 and 36% for the three months ended December 31,
1999. The slight decrease in the effective tax rate was mainly driven by a
greater percentage of export sales resulting in increased foreign sales
corporation deductions.

NET INCOME

     Net income was $14.4 million in the three months ended December 31, 2000,
which represented an increase of 151%, or $8.7 million, from the three months
ended December 31, 1999 as a result of the factors discussed above. Net income
for the three months ended December 31, 2000 increased 206%, or 9.7 million,
from pro forma net income for the three months ended December 31, 1999.


                         LIQUIDITY AND CAPITAL RESOURCES

     We had cash flows from operating activities of $11.2 million in the three
months ended December 31, 2000 and $0.3 million in the three months ended
December 31, 1999. Our cash provided by operating activities for the three
months ended December 31, 2000 originated from net income from operations of
$14.4 million plus non-cash items of $2.7 million, offset by a net increase in
working capital of $5.9 million. Our principal capital requirements have been to
fund working capital requirements and additions to property, plant and equipment
that support the expansion of our business.

     In the three months ended December 31, 2000, cash flows used in investing
activities were $6.9 million, primarily due to the expansion of our Geino, Japan
manufacturing facility and the purchase of research and development equipment.
In the three months ended December 31, 1999, cash flows used in investing
activities were $7.2 million primarily due to the construction of our Aurora,
Illinois manufacturing building, the purchase of land in Korea for a new
distribution facility and the purchase of research and development equipment.

     Cash flows from financing activities of $0.8 million for the three months
ended December 31, 2000 resulted from the issuance of common stock upon the
exercise of stock options. Cash flows from financing activities for the three
months ended December 31, 1999 were $6.9 million and resulted from capital
contributions from Cabot Corporation.

     We have a $25 million unsecured revolving credit facility which terminates
in March 29, 2003. Interest is incurred at either the institution's base rate or
the LIBOR rate plus an applicable margin. We also have a $8.5 million revolving
line of credit which terminates in June 1, 2003. Interest is incurred at either
the institution's base rate or the Eurodollar rate plus an applicable margin.
Loans under both facilities will be used primarily for general corporate
purposes, including working capital and capital expenditures. No amounts were
outstanding under either line of credit at December 31, 2000 or September 30,
2000.

     We believe that cash generated by our operations and borrowings under our
revolving credit facility will be sufficient to fund our operations and expected
capital expenditures for the next 24 months. However, we plan to expand our
business and continue to improve our technology and, to do so, we may be
required to raise additional funds in the future through public or private
equity or debt financing, strategic relationships or other arrangements.


                   FACTORS AFFECTING FUTURE OPERATING RESULTS

RISKS RELATING TO OUR BUSINESS

HISTORICAL FINANCIAL INFORMATION MAY NOT BE REPRESENTATIVE OF OUR RESULTS AS A
SEPARATE COMPANY.

     The historical financial information we have presented may not reflect what
our results of operations, financial position and cash flows would have been had
we been a separate, stand-alone entity during the period presented and may not
be indicative of what our results of operations, financial position and cash
flows will be in the future. As a result, information to evaluate our business
is limited. This is because:

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o    when we were a division of Cabot Corporation, Cabot provided us with
     various services and allocated expenses for these services to us in amounts
     that may not have been the same as the expenses we would have incurred had
     we performed or acquired these services ourselves;

o    we have changed our fumed metal oxide supply and dispersion services
     arrangements with Cabot Corporation and the prices we are paying under our
     new arrangements are higher than the prices we paid in the past; and

o    the historical financial information for the periods prior to our initial
     public offering does not reflect other events and changes that are
     occurring or will occur as a result of our separation from Cabot
     Corporation, including the establishment of our capital structure, the
     incurrence of debt and changes in our expenses as a result of new employee,
     tax and other structures and matters.

WE HAVE A NARROW PRODUCT RANGE AND OUR PRODUCTS MAY BECOME OBSOLETE, OR
TECHNOLOGICAL CHANGES MAY REDUCE OR LIMIT INCREASES IN CMP CONSUMPTION

     Our business is substantially dependent on a single class of products, CMP
slurries, which historically has accounted for almost all of our revenue. 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 semiconductor industry and to adapt
and improve our products in response to evolving customer needs and industry
trends. Since its inception, the semiconductor industry has experienced rapid
technological changes and advances in the design, manufacture, performance and
application of IC devices and these changes and advances are expected to
continue in the future. One or more developments in the semiconductor industry
may render our products obsolete or less important to the IC device
manufacturing process, including:

o    increased competition from new or existing producers of CMP slurries,
     including the introduction of new or substitute products;

o    a shift toward reduced consumption or reuse of slurries;

o    advances in CMP technology that make it possible to perform planarization
     without a slurry.

     Any of the foregoing developments could cause a decline in the CMP slurry
market in general or seriously harm our business, financial condition and
results of operations in particular.


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 THEM AS CUSTOMERS

     Our customer base is concentrated among a limited number of large
customers. One or more of these principal customers may stop buying CMP slurries
from us or may substantially reduce the quantity of CMP slurries they purchase
from us. Any cancellation, deferral or significant reduction in CMP slurries
sold to these principal customers or a significant number of smaller customers
could seriously harm our business, financial condition and results of
operations.

     For the three months ended December 31, 2000, our five largest customers
accounted for approximately 56% of our revenue, with Marketech, Intel and Metron
accounting for approximately 24%, 13% and 8% of our revenue, respectively. For
the three months ended December 31, 1999, our five largest customers accounted
for approximately 53% of our revenue, with Marketech, Intel and Takasago
accounting for approximately 15%, 14% and 11% of our revenue, respectively.
Marketech, Takasago and Metron are distributors. The increase in the percentage
of our total revenue attributable to sales to Marketech resulted primarily from
increased demand and manufacturing capacity in the Asia Pacific region.


IF WE LOSE PENDING OR FUTURE INTELLECTUAL PROPERTY LAWSUITS RELATING TO OUR
BUSINESS, WE COULD BE LIABLE FOR SIGNIFICANT DAMAGES AND LEGAL EXPENSES AND
COULD BE ENJOINED FROM MANUFACTURING OUR SLURRY PRODUCTS

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   15

     Cabot Corporation is currently the subject of two lawsuits against it
involving infringement claims relating to our business. If Cabot Corporation or
we were to lose these or future lawsuits, we could be liable for significant
damages and legal expenses and could be enjoined from manufacturing our slurry
products. Although Cabot Corporation is the only named defendant in these
lawsuits, the defense of which we have assumed and are now controlling, we have
agreed to indemnify Cabot Corporation for any and all losses and expenses
arising out of this litigation as well as any other litigation arising out of
our business. See "Footnote 8. - Contingencies", under PART I, Item 1 - Notes to
Financial Statements in this Quarterly Report on Form 10-Q for further
discussion.

     In addition, we may be subject to future infringement claims by Rodel or
others with respect to our products and processes. These claims, even if they
are without merit, could be expensive and time consuming to defend and if we
were to lose any future infringement claims we could be subject to injunctions,
damages and/or royalty or licensing agreements. Royalty or licensing agreements,
if required as a result of any pending or future claims, may not be available to
us on acceptable terms or at all. Moreover, from time to time we agree to
indemnify certain of our customers for losses the customers may incur as a
result of intellectual property claims brought against them arising out of their
purchase or use of our products.


ANY PROBLEM OR INTERRUPTION IN OUR SUPPLY FROM CABOT CORPORATION OF FUMED METAL
OXIDES, OUR MOST IMPORTANT RAW MATERIALS, COULD DELAY OUR SLURRY PRODUCTION AND
ADVERSELY AFFECT OUR SALES

     Fumed metal oxides are the primary raw materials we use in many of our CMP
slurries. Our business would suffer from any problem or interruption in our
supply of fumed metal oxides. Cabot Corporation is currently our exclusive
supplier of certain fumed metal oxides. We have entered into a fumed metal oxide
supply agreement with Cabot Corporation, which became effective upon completion
of our initial public offering, and under which Cabot continues to be our
exclusive supplier of certain fumed metal oxides for our current slurry
products.

     Our continued supply of fumed metal oxides from Cabot Corporation is
subject to a number of risks, including:

o    the destruction of one of Cabot's fumed metal oxides manufacturing
     facilities, particularly its Tuscola facility, or its distribution
     infrastructure;

o    a work stoppage or strike by Cabot employees who manufacture fumed metal
     oxides;

o    the failure of Cabot to provide fumed metal oxides of the requisite quality
     for production of our various CMP slurries;

o    the failure of essential fumed metal oxides manufacturing equipment at a
     Cabot plant;

o    the failure or shortage of supply of raw materials to Cabot;

o    contractual amendments and disputes with Cabot, including those relating to
     the fumed metal oxide supply agreement; and

o    our required quantities may exceed the amount Cabot is obligated to supply
     under the agreements.


     Any of these factors could interfere with our ability to produce our CMP
slurries in the quantities and of the quality required by our customers and in
accordance with their delivery schedules. It may also be difficult to secure
alternative sources of fumed metal oxides in the event Cabot Corporation
encounters supply problems.

     In addition, if we change the supplier or type of fumed metal oxides we use
to make our CMP slurries or are required to purchase them from a different Cabot
Corporation manufacturing facility, our customers might be forced to requalify
our CMP slurries for their manufacturing processes and products. The
requalification process would likely take a significant amount of time to
complete, during which our sales of CMP slurries to these customers could be
interrupted or reduced.

     We have also specifically engineered our slurry chemistries with the fumed
metal oxides currently used in the production of our CMP products. A change in
the fumed metal oxides we use to make our slurry products could require us to
modify our

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chemistries. This modification may involve a significant amount of time and cost
to complete and therefore have an adverse effect on our business and sales.


OUR BUSINESS COULD BE SERIOUSLY HARMED IF OUR EXISTING OR FUTURE COMPETITORS
DEVELOP SUPERIOR SLURRY PRODUCTS OR OFFER BETTER PRICING TERMS OR SERVICE, OR IF
ANY OF OUR MAJOR CUSTOMERS DEVELOP IN-HOUSE SLURRY MANUFACTURING CAPABILITY

     Increased competition from current CMP slurry manufacturers, new entrants
to the CMP slurry market or a decision by any of our major customers to produce
slurry products in-house could seriously harm our business and results of
operations. We are aware of only five other manufacturers of CMP slurries
currently selling to IC device manufacturers. Opportunities exist for companies
with sufficient financial or technological resources to emerge as potential
competitors by developing their own CMP slurry products. Some of our major
customers, and some potential customers, currently manufacture slurries in-house
and others have the financial and technological capability to do so. The
existence or threat of increased competition and in-house production could limit
or reduce the prices we are able to charge for our slurry products. In addition,
our competitors may have or obtain intellectual property rights which may
restrict our ability to market our existing products and/or to innovate and
develop new products.


OUR INABILITY TO ATTRACT AND RETAIN KEY MANAGEMENT PERSONNEL OR TECHNICAL
EMPLOYEES COULD CAUSE OUR BUSINESS TO SUFFER

     If we fail to recruit and retain the necessary management 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. The
success of our business is also heavily dependent on the leadership of our key
management personnel, all of whom are employees-at-will. We have no key man
insurance on any of our personnel. The loss of any number of our key management
personnel could harm our business and results of operations.

     Our success also depends on our ability to recruit, retain and motivate
technical personnel for our research and development activities. Competition for
qualified personnel, particularly those with significant experience in the CMP
and IC device industries, is intense, and we may not be able to successfully
recruit, train or retain these employees.


BECAUSE WE HAVE LIMITED EXPERIENCE IN MANUFACTURING AND SELLING CMP POLISHING
PADS AND SLURRIES FOR CMP POLISHING OF THE MAGNETIC HEADS IN HARD DISK DRIVES,
EXPANSION OF OUR BUSINESS INTO THESE AREAS AND APPLICATIONS MAY NOT BE
SUCCESSFUL

     An element of our strategy is to leverage our current customer
relationships and technological expertise to expand our business into new
product areas and applications, including manufacturing CMP polishing pads and
slurries for CMP polishing of the magnetic heads in hard disk drives. We have
had limited experience in developing and marketing these products, particularly
polishing pads, which involve technologies and production processes that are new
to us. We or the suppliers of the raw materials that we use to make our
polishing pads may not be able to solve any technological or production problems
that we or they may encounter. In addition, if we or these suppliers are unable
to keep pace with technological or other developments in the design and
production of polishing pads, we will probably not be competitive in the
polishing pad market For these reasons, the expansion of our business into these
new product areas or applications may not be successful.

BECAUSE WE RELY HEAVILY ON OUR INTELLECTUAL PROPERTY, OUR FAILURE TO ADEQUATELY
PROTECT IT COULD SERIOUSLY HARM OUR BUSINESS

     Protection of intellectual property is particularly important in our
industry because CMP slurry manufacturers develop complex and technical formulas
for CMP slurries which are proprietary in nature and differentiate their
products from those of 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. Our failure to obtain or maintain adequate protection of our
intellectual property rights for any reason could seriously harm our business.

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     Policing the unauthorized use of our intellectual property is difficult,
and the steps we have taken may not detect or prevent the misappropriation or
unauthorized use of our technologies. In addition, other parties may
independently develop or otherwise acquire the same or substantially equivalent
technologies to ours.


WE ARE SUBJECT TO SOME RISKS ASSOCIATED WITH OUR FOREIGN OPERATIONS

     We currently have operations and a large customer base outside the United
States. For fiscal 2000, approximately 56% of our revenue was generated by sales
to customers outside the United States compared to 46% in the prior year. For
the three months ended December 31, 2000, approximately 63% of our revenue was
generated by sales to customers outside the United States. We encounter
potential risks in doing business in foreign countries, including:

o    the difficulty of enforcing agreements and collecting receivables through
     some foreign legal systems;

o    foreign customers may have longer payment cycles than customers in the
     United States;

o    tax rates in some foreign countries may exceed those of the United States
     and foreign earnings may be subject to withholding requirements or the
     imposition of tariffs, exchange controls or other restrictions;

o    general economic and political conditions in the countries where we operate
     may have an adverse effect on our operations in those countries;

o    the difficulties associated with managing a large organization spread
     throughout various countries; and

o    the difficulty in enforcing intellectual property rights in some foreign
     countries.

     As we continue to expand our business globally, our success will depend, in
part, on our ability to anticipate and effectively manage these and other risks.


EXCHANGE RATE FLUCTUATIONS COULD ADVERSELY AFFECT OUR FINANCIAL RESULTS

     As a result of our international operations, we expect to generate an
increasing portion of our revenue and incur a significant portion of our
expenses in currencies other than U.S. dollars. To the extent we are unable to
match revenue received in foreign currencies with costs paid in the same
currency, exchange rate fluctuations in any foreign currency could have a
negative impact on our financial condition or results of operations.

     The financial condition and results of operations of some of our operating
entities are reported in various foreign currencies and then translated into
U.S. dollars at the applicable exchange rate for inclusion in our financial
statements. As a result, appreciation of the U.S. dollar against these foreign
currencies will have a negative impact on our reported revenue and operating
profits.


OUR ABILITY TO RAISE CAPITAL IN THE FUTURE MAY BE LIMITED AND THIS MAY LIMIT OUR
ABILITY TO EXPAND OUR BUSINESS AND IMPROVE OUR TECHNOLOGY

     We plan to expand our business and continue to improve our technology. To
do so we may be required to raise additional funds in the future through public
or private equity or debt financing, strategic relationships or other
arrangements. Financing may not be available on acceptable terms, or at all, and
our failure to raise capital when needed could negatively impact our financial
condition or results of operations. Additional equity financing may be dilutive
to the holders of our common stock and debt financing, if available, may involve
restrictive covenants.


RISKS RELATING TO OUR SEPARATION FROM CABOT CORPORATION

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WE CURRENTLY USE CABOT CORPORATION'S INFORMATION TECHNOLOGY SERVICES AND SYSTEMS
AND OUR ABILITY TO SATISFY OUR CUSTOMERS AND OPERATE OUR BUSINESS WILL SUFFER IF
WE DO NOT IMPLEMENT A NEW COST EFFECTIVE INFRASTRUCTURE TO SUPPORT OUR EXPANDING
BUSINESS NEEDS

     We currently use duplicated versions of Cabot Corporation's systems to
support our operations, including systems covering order processing, inventory
management, shipping and accounting. Many of these systems were not optimized
for our business processes. We have initiated a project to implement new systems
to replace the duplicated versions of Cabot's systems within the next 12 to 18
months. We may not be successful in implementing these systems and transitioning
data from the duplicated versions of Cabot's systems to our new systems. We
continue to rely upon the network infrastructure provided and maintained by
Cabot. We are in the process of migrating to our own network infrastructure the
maintenance of which we intend to outsource to a third party. We may experience
network interruptions related to either the current Cabot network infrastructure
or the migration to our new network infrastructure maintained by a third party.

     Any failure or significant downtime in Cabot Corporation's or our own
network or information systems could prevent us from taking customer orders,
shipping products or billing customers and could harm our business. In addition,
our network and information systems require the services of employees with
extensive knowledge of these information systems and the business environment in
which we operate. To successfully implement and operate our systems, we must be
able to attract and retain a significant number of highly skilled employees. If
we fail to attract and retain the highly skilled personnel required to
implement, maintain, and operate our information systems, our business could
suffer.



A NUMBER OF OUR DIRECTORS MAY HAVE CONFLICTS OF INTEREST BECAUSE THEY ARE ALSO
DIRECTORS OR EXECUTIVE OFFICERS OF CABOT CORPORATION OR OWN CABOT CORPORATION
STOCK

     Three members of our board of directors are directors and/or executive
officers of Cabot Corporation. Our directors who are also directors and/or
executive officers of Cabot Corporation have obligations to both companies and
may have conflicts of interest with respect to matters involving or affecting
us, such as acquisitions and other corporate opportunities that may be suitable
for both us and Cabot, as well as related party transactions and intercompany
agreements between us and Cabot such as our fumed metal oxide and dispersion
services agreements. In addition, a number of our directors and executive
officers own Cabot stock and options on Cabot stock they acquired as employees
of Cabot. This ownership could create, or appear to create, potential conflicts
of interest when these directors and officers are faced with decisions that
could have different implications for our company and Cabot.


WE MAY HAVE CONFLICTS WITH CABOT CORPORATION WITH RESPECT TO OUR PAST AND
ONGOING RELATIONSHIPS

     We may have conflicts with Cabot Corporation that we cannot resolve and,
even if we are able to do so, the resolution of these conflicts may not be as
favorable as if we were dealing with a party with whom we had never been
affiliated. Cabot continues to be our exclusive supplier of certain fumed metal
oxides for our existing slurries under a fumed metal oxide supply agreement
between Cabot and our company. These agreements were made in the context of an
affiliated relationship and were negotiated in the overall context of our
separation from Cabot. The prices and other terms under these agreements may be
less favorable to us than what we could have obtained in arm's-length
negotiations with unaffiliated third parties for similar services or under
similar leases. It is particularly difficult to assess whether the price for
fumed metal oxides provided under our fumed metal oxide supply agreement with
Cabot is the same as or different from the price we could have obtained in
arm's-length negotiations with an unaffiliated third party in light of the
long-term nature of the contract, the volumes provided for under the agreement
and our particular quality requirements.

      Conflicts of interest may arise between Cabot Corporation and us in a
number of areas relating to our past and ongoing relationships, including:

o    the terms of our fumed metal oxide supply agreement and other interim and
     ongoing agreements with Cabot;

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o    the nature, quality and pricing of transitional services Cabot has agreed
     to provide us;

o    business opportunities that may be attractive to both Cabot and us;

o    litigation, labor, tax, employee benefit and other matters arising from our
     separation from Cabot; and

o    the incurrence of debt and major business combinations by us.

WE FACE RISKS ASSOCIATED WITH BEING A MEMBER OF CABOT CORPORATION'S CONSOLIDATED
GROUP FOR FEDERAL INCOME TAX PURPOSES

     For the period in which Cabot Corporation continued to own 50% or greater
of the vote and value of our capital stock, we will be included in Cabot's
consolidated group for federal income tax purposes. Under a tax sharing
agreement with Cabot, we will pay Cabot the amount of federal, state and local
income taxes we would be required to pay to the relevant taxing authorities if
we were a separate taxpayer not included in Cabot's consolidated or combined
returns. In addition, by virtue of its controlling ownership and the tax sharing
agreement for the period of time up to September 29, 2000, Cabot will
effectively control substantially all of our tax decisions for that time period.
Under the tax sharing agreement, Cabot will have sole authority to respond to
and conduct all tax proceedings including tax audits relating to Cabot
consolidated or combined income tax returns in which we are included. Moreover,
notwithstanding the tax sharing agreement, federal law provides that each member
of a consolidated group is liable for the group's entire tax obligation. Thus,
to the extent Cabot or other members of the group fail to make any federal
income tax payments required of them by law, we could be liable for the
shortfall. Similar principles may apply for state income tax purposes in many
states.

IF THE SPIN-OFF IS NOT TAX-FREE, WE COULD BE LIABLE TO CABOT CORPORATION FOR THE
RESULTING TAXES

     On September 29, 2000, Cabot Corporation effected the spin-off of Cabot
Microelectronics by distributing 0.280473721 shares of our common stock as a
dividend on each outstanding share of Cabot Corporation common stock outstanding
on September 13, 2000, or an aggregate of 18,989,744 shares of our common stock.
We have agreed to indemnify Cabot Corporation in the event the spin-off is not
tax-free to Cabot as a result of various actions taken by or with respect to us
or our failure to take various actions, all as set forth in our tax sharing
agreement with Cabot. We may not be able to control some of the events that
could trigger this liability. In particular, any acquisition of us by a third
party within two years of the spin-off could result in the spin-off becoming a
taxable transaction and give rise to our obligation to indemnify Cabot for any
resulting tax liability.


RISKS RELATING TO THE MARKET FOR OUR COMMON STOCK

THE MARKET PRICE MAY FLUCTUATE WIDELY AND RAPIDLY

     The market price of our common stock could fluctuate significantly as a
result of:

o    economic and stock market conditions generally and specifically as they may
     impact participants in the semiconductor industry;

o    changes in financial estimates and recommendations by securities analysts
     following our stock;

o    earnings and other announcements by, and changes in market evaluations of,
     participants in the semiconductor industry;

o    changes in business or regulatory conditions affecting participants in the
     semiconductor industry;

o    announcements or implementation by us or our competitors of technological
     innovations or new products; and

o    trading volume of our common stock.

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     The securities of many companies have experienced extreme price and volume
fluctuations in recent years, often unrelated to the companies' operating
performance. Specifically, market prices for securities of technology related
companies have frequently reached elevated levels, often following their initial
public offerings. These levels may not be sustainable and may not bear any
relationship to these companies' operating performances. In the past, following
periods of volatility in the market price of a company's securities,
stockholders have often instituted securities class action litigation against
the company. If we were involved in a class action suit, it could divert the
attention of senior management, and, if adversely determined, have a negative
impact on our business, results of operations and financial condition.


ANTI-TAKEOVER PROVISIONS UNDER OUR CERTIFICATE OF INCORPORATION AND BYLAWS, OUR
RIGHTS PLAN AND DELAWARE GENERAL CORPORATION LAW MAY ADVERSELY AFFECT THE PRICE
OF OUR COMMON STOCK, DISCOURAGE THIRD PARTIES FROM MAKING A BID FOR OUR COMPANY
OR REDUCE ANY PREMIUMS PAID TO OUR STOCKHOLDERS FOR THEIR COMMON STOCK

     Our certificate of incorporation, our bylaws, our rights plan and various
provisions of the Delaware General Corporation Law may make it more difficult to
effect a change in control of our company. Our certificate of incorporation, our
by-laws, our rights plan and the various provisions of Delaware General
Corporation Law may adversely affect the price of our common stock, discourage
third parties from making a bid for our company or reduce any premiums paid to
our stockholders for their common stock. For example, we have amended our
certificate of incorporation to authorize our board of directors to issue up to
20 million shares of blank check preferred stock and to attach special rights
and preferences to this preferred stock. The issuance of this preferred stock
may make it more difficult for a third party to acquire control of us. We also
amended our certificate of incorporation to provide for the division of our
board of directors into three classes as nearly equal in size as possible with
staggered three-year terms. This classification of our board of directors could
have the effect of making it more difficult for a third party to acquire our
company, or of discouraging a third party from acquiring control of our company.
In addition, the rights issued to our stockholders under our rights plan may
make it more difficult or expensive for another person or entity to acquire
control of us without the consent of our board of directors.

     We have adopted change-in-control arrangements covering our executive
officers and are in the process of adopting similar arrangements for other key
employees. These arrangements provide for a cash severance payment, continued
medical benefits and other ancillary payments and benefits upon some
terminations of a covered employee's employment following a change in control.


ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

EFFECT OF CURRENCY EXCHANGE RATES AND EXCHANGE RATE RISK MANAGEMENT

     We conduct business operations outside of the United States through our
foreign operations. 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 Japanese Yen and the British Pound.
Our exposure to foreign currency exchange risks has not been significant because
a significant portion of our foreign sales are denominated in U.S. dollars. As
foreign markets become a more significant portion of our business, we have begun
to enter into forward contracts in an effort to manage foreign currency exchange
exposure. Less than 10% of our revenue is transacted in currencies other than
the U.S. dollar. We currently do not enter into forward exchange contracts for
speculative or trading purposes.


MARKET RISK AND SENSITIVITY ANALYSIS FOREIGN EXCHANGE RATE RISK

     We have performed a sensitivity analysis assuming a hypothetical 10%
adverse movement in foreign exchange rates. As of December 31, 2000, the
analysis demonstrated that such market movements would not have a material
adverse effect on our 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. We believe that our
exposure to foreign currency exchange rate risk at December 31, 2000 was not
material.

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PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

     Legal proceedings are discussed in "Footnote 8. - Contingencies", under
PART I, Item 1 - Notes to Financial Statements and such discussion is
incorporated herein by reference.


ITEM 6. EXHIBITS AND REPORTS ON FORM 8-K

          (a)    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
                            -------           -----------
                                           

                            10.25*            General Release, Waiver and Covenant Not To Sue.

                            10.26             Amended and Restated Credit Agreement, between Cabot Microelectronics
                                              Corporation and LaSalle Bank National Association, dated July 5, 2000.

                            10.27             First Amendment to Amended and Restated Credit Agreement, between
                                              Cabot Microelectronics Corporation and LaSalle Bank National
                                              Association, dated August 24, 2000.






                  * Management contract, or compensatory plan or arrangement.




          (b)    Reports on Form 8-K

              In a report dated October 6, 2000, Cabot Microelectronics reported
          under Item 5. "Other Events" and Item 7. "Financial Statements and
          Exhibits" that on September 29, 2000 Cabot Corporation effected the
          spin-off of Cabot Microelectronics by distributing .280473721 shares
          of Cabot Microelectronics common stock as a dividend on each

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          outstanding share of Cabot common stock outstanding on September 13,
          2000, or an aggregate of 18,989,744 shares of Cabot Microelectronics
          common stock. In connection with the spin-off, the Board of Directors
          of Cabot Microelectronics amended the company's rights plan to clarify
          certain of its provisions.



                                   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 CORPORATION

Date: February 14, 2001                       /s/ MATTHEW NEVILLE
                                              ---------------------------------------------
                                              Matthew Neville
                                              President and Chief Executive Officer, Director
                                              [Principal Executive Officer]


Date: February 14, 2001                       /s/ DANIEL S. WOBBY
                                              ---------------------------------------------
                                              Daniel S. Wobby
                                              Corporate Controller
                                              [Principal Accounting Officer]



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