Document:

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                                                                    Exhibit 10.7
                           TRADEMARK LICENSE AGREEMENT

         THIS AGREEMENT is made and effective as of this 28th day of March,
2000, by and between Cabot Corporation, a corporation organized and existing
under the laws of the State of Delaware and having its corporate offices at 75
State Street, Boston, Massachusetts 02109 (hereinafter, "CABOT") and Cabot
Microelectronics Corporation, a corporation organized and existing under the
laws of the State of Delaware and having its corporate offices at 870 N. Commons
Drive, Aurora 60504 (hereinafter, "CMC").

         WHEREAS, CABOT is the owner, both at common law and through
registrations and applications for registration therefor, of certain trademarks,
service marks, trade names and associated goodwill (hereinafter, the "LICENSED
TRADEMARK(s)"), as set forth on Schedule A attached hereto, and is engaged in
the business of manufacturing, distributing and selling worldwide certain
products including, but not limited to, the representative list of products also
set forth on Schedule A (hereinafter "CABOT PRODUCT(s)").

         WHEREAS, as a result of a mutually agreed to separation, CMC is the
successor in interest to CABOT's worldwide microelectronics materials and
polishing consumables business and is engaged in manufacturing, distributing and
selling throughout the world certain related products ("CMC PRODUCT(s)"), as
also set forth on Schedule A attached hereto.

         WHEREAS, CMC desires to use and continue to use the LICENSED
TRADEMARK(s) on or in connection with the CMC PRODUCT(s) and Cabot is willing to
grant to CMC the right to use the LICENSED TRADEMARK(s) on or in connection with
the CMC PRODUCT(s), such use subject to the terms and conditions of this
Agreement.

         NOW THEREFORE, in consideration of the mutual promises and covenants
set forth herein, the parties, intending to be legally bound, hereto agree as
follows:

                          ARTICLE 1 - GRANT OF LICENSE

1.1 CABOT hereby grants to CMC, and CMC hereby accepts, a non-exclusive,
worldwide, royalty-free license to use the LICENSED TRADEMARK(s) solely on or in
connection with the manufacture, use, sale, offer for sale, distribution or
other disposition of the CMC PRODUCT(s), subject to the limitations set forth in
this Agreement.

1.2 The grant of license in Section 1.1 above includes the right by CMC to grant
sublicenses within the scope of such license to CMC's wholly-owned subsidiaries,
but only for so long as each remains a wholly-owned subsidiary.

                   Trademark License Agreement - Page 1 of 10
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1.3 The license granted herein includes the right to use the designation "CABOT"
as a trade name, individually or in combination with other terms, subject to all
the provisions hereof relating to the LICENSED TRADEMARK(s).

1.4 Except as provided in this Article, all licenses granted herein shall be
nontransferable and nonassignable without the prior written consent of CABOT.

            ARTICLE 2 - OWNERSHIP AND USE OF THE LICENSED TRADEMARKS

2.1 CMC acknowledges that CABOT owns the LICENSED TRADEMARK(s) and all rights
therein and that nothing in this Agreement shall give CMC any right, title or
interest in or to the LICENSED TRADEMARK(s). CMC further acknowledges and agrees
that all use of the LICENSED TRADEMARK(s) by CMC shall inure to the benefit of
CABOT.

2.2 CMC agrees that it will do nothing inconsistent with CABOT's ownership of
the LICENSED TRADEMARK(s) and shall not claim adversely to CABOT, or assist any
third party in attempting to claim adversely to CABOT, with regards to such
ownership. CMC agrees that it will not challenge the title of CABOT to the
LICENSED TRADEMARK(s), oppose any registration thereof, or challenge the
validity of this Agreement or the licenses granted herein. Furthermore, CMC will
not register, nor attempt to register, any trade name or trademark which, in
whole or in part, incorporates or is confusingly similar to the LICENSED
TRADEMARK(s).

2.3 Notwithstanding the license granted herein, CMC agrees not to use, display
or adopt any style, design, color, font, form or logo similar to any past or
then present style, design, color, form or logo of CABOT including, but not
limited to, the styles illustrated on Schedule B.

2.4 Without the prior written approval of CABOT, CMC is not authorized to use
the LICENSED TRADEMARK(s) in connection with any business activity unrelated to
the CMC's microelectronics materials and polishing consumables business, as
defined by the CMC PRODUCT(s).

2.5 Notwithstanding the license granted herein and any of the provisions hereof,
no rights nor licenses are granted to CMC with respect to any other trademark,
service mark, and/or trade name not listed on Schedule A hereto.

2.6 CMC agrees to assist CABOT in recording this Agreement with appropriate
government authorities where such recording is required by law or regulation or
where such recording is permitted or desired by CABOT.

2.7 All costs associated with recording this Agreement, the license granted
herein and registering, maintaining, or renewing LICENSED TRADEMARK(S)
exclusively used by CMC shall be borne by CMC. All costs associated with
registering, maintaining or renewing any LICENSED TRADEMARK(S) also used by
CABOT shall be borne by CABOT.

                   Trademark License Agreement - Page 2 of 10
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                         ARTICLE 3 - QUALITY PROVISIONS

3.1 CMC agrees that the nature and quality of all CMC PRODUCT(s) sampled, sold,
or otherwise disposed of and covered by the LICENSED TRADEMARK(s) shall conform
to the standards set by and under the control of CABOT (hereinafter, "QUALITY
STANDARD"). Such QUALITY STANDARD shall be reasonable, shall be no greater than
the quality standards imposed by CMC's customers, and shall be at least equal in
quality to the CMC PRODUCT(s) sold by CMC prior to the separation.

3.2 CMC shall, upon CABOT's reasonable request, supply samples of CMC PRODUCT(s)
to CABOT. It shall not be necessary for CABOT to provide constant supervision of
CMC's manufacture of the CMC PRODUCT(s). Alternatively, CABOT may request CMC to
assure that the CMC PRODUCT(s) conform to the QUALITY STANDARD and, to this end,
shall permit reasonable inspection during business hours by an authorized
representative of CABOT of CMC's facilities to inspect the CMC's operations,
methods of manufacture, materials used, storage and packing areas, and the like,
associated with the manufacture of the CMC PRODUCT(s). Any inspections conducted
by CABOT to ensure that the QUALITY STANDARD provided herein shall be at the
expense of CABOT.

3.3 CMC shall deliver to CABOT, upon CABOT's request and without charge to
CABOT, representative samples of labels, containers, advertisements, catalogs,
letterhead, and the like, containing the LICENSED TRADEMARK(s) to enable CABOT
to ensure that the LICENSED TRADEMARKS(s) are properly used.

3.4 CMC shall comply with all applicable laws and regulations, obtain all
appropriate governmental or regulatory approvals pertaining to the sale,
distribution and/or advertising of the CMC PRODUCT(s) and covered by the
LICENSED TRADEMARK(s).

3.5 Any CMC PRODUCT(s) intended to be marketed under the LICENSED TRADEMARK(s)
which fails to attain the QUALITY STANDARD shall, at the expense of CMC, be
withdrawn from production and corrected or properly destroyed.

3.6 CABOT reserves the right to impose on CMC, as necessary, other
specifications or requirements not provided for under this Article to maintain
control over the CMC PRODUCT(s) to ensure the requisite QUALITY STANDARD.

                 ARTICLE 4 - DURATION OF LICENSE AND TERMINATION

4.1 This Agreement and the license granted herein shall be effective as of the
effective date of this Agreement, and shall remain in effect until terminated in
accordance with this Article 4.

                   Trademark License Agreement - Page 3 of 10
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4.2 Should CMC ever discontinue the use of any LICENSED TRADEMARK(s) with the
intent not to resume such use, CMC shall promptly notify CABOT of such action.
As to any LICENSED TRADEMARK(s) with respect to which use is or has been
discontinued without the intent to resume by CMC, CABOT may terminate the
license with respect to such LICENSED TRADEMARK(s) upon three (3) month notice
to CMC. CMC's intent not to resume use shall be established if any LICENSED
TRADEMARK(s) is not used by CMC for a period of at least twelve (12) months.

4.3 CABOT shall have the right to terminate the license granted herein with
respect to any LICENSED TRADEMARK(s) upon two (2) months prior written notice to
CMC in the event that CMC breaches any provision of this Agreement, including
but not limited to failure by CMC to comply with the QUALITY STANDARD
established under Article 3, if such breach shall be continuing at the end of
such two (2) month period.

4.4 CABOT shall have the right to terminate immediately this Agreement, or any
or all licenses granted herein, upon written notice to CMC in the event of the
winding-up, sale, insolvency, consolidation or merger where CMC or one of its
wholly-owned subsidiaries is not the survivor, or any sequestration by
governmental authority of CMC.

4.5 Upon the termination of this Agreement with respect to the LICENSED
TRADEMARK(s), or the termination of all licenses under this Agreement, CMC
agrees to immediately discontinue all use of such LICENSED TRADEMARK(s) and/or
any similar trade name which contain "CABOT" as a part thereof, as the case may
be. In this connection, CMC agrees:

         (a)  that it will immediately take all steps to refrain, as promptly as
              possible, from using the LICENSED TRADEMARK(s) as part of CMC's
              company name, and shall refrain from using the LICENSED
              TRADEMARK(s) in advertising, commercial registers, directories,
              internet and company web-sites, telephone listings, and all other
              similar listings.

         (b)  to use its best efforts and due diligence to obtain whatever
              approvals are necessary, either governmental or otherwise, to
              change its company name to exclude the LICENSED TRADEMARK(s)
              therefrom, such change to be effected within three(3) months after
              the termination of this Agreement.

                             ARTICLE 5 - PROTECTION

5.1 At the request of CMC, CABOT shall apply to register any unregistered
LICENSED TRADEMARK(s) in any country in the name of CABOT for the CMC PRODUCT(s)
provided herein, shall use its best efforts to obtain registrations thereof,
shall maintain such registrations in full force and effect, and shall apply to
register CMC as a registered user of the LICENSED TRADEMARK(s) in countries
which require such registration. CMC shall cooperate with CABOT to obtain and
maintain said registrations. The cost of obtaining and

                   Trademark License Agreement - Page 4 of 10
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maintaining any unregistered LICENSED TRADEMARK(s) exclusively used by CMC shall
be borne by CMC. The cost of obtaining and maintaining any unregistered LICENSED
TRADEMARK(s) also used by CABOT shall be borne by CABOT. If CMC notifies CABOT
that it is no longer interested in a trademark filed by CABOT under the
provisions of this paragraph, CABOT shall be free to discontinue prosecution
and/or maintenance of any application or registration for said LICENSED
TRADEMARK(s), and CMC shall have no obligation for any expense with respect
thereto incurred after the notice from CMC to CABOT.

5.2 In the event that registration is refused for any presently pending or
subsequently filed application for registration of the LICENSED TRADEMARK(s),
CABOT shall have the right to discontinue the prosecution thereof. Before
discontinuing any such prosecution, CABOT shall give CMC one (1) months' notice
and permit CMC, at CMC's expense, to take over prosecution thereof on CABOT's
behalf.

5.3 If any opposition, cancellation, or similar proceeding is initiated by any
third party with respect to the LICENSED TRADEMARK(s) or applications to
register any LICENSED TRADEMARK(s), CABOT shall notify CMC of such proceeding,
and CMC shall have one (1) month to notify CABOT if CMC wants such proceedings
to be contested. If CMC informs CABOT that CMC wants to contest such proceeding,
CABOT will defend such LICENSED TRADEMARK(s) in the proceeding or, at the option
of CABOT, permit CMC to take over the defense of such proceeding on behalf of
CABOT. CMC shall bear the expenses of such proceeding for the LICENSED
TRADEMARK(s). If CMC does not notify CABOT that CMC wants such proceeding to be
contested, CABOT shall have the right to proceed as it chooses with regard to
such proceeding and such LICENSED TRADEMARK(s), including, without limitation,
abandoning or cancelling such LICENSED TRADEMARK(s) or any application or
registration therefor without any liability to CMC.

5.4 CMC shall promptly notify CABOT of any and all infringements, imitations,
simulations or other illegal use or misuse of the LICENSED TRADEMARK(s) which
come to CMC's attention. As the sole owner of the LICENSED TRADEMARK(s), CABOT
shall determine whether to take any action to prevent the infringement,
imitation, simulation or other illegal use or misuse of the LICENSED
TRADEMARK(s). If CABOT elects not to take such action, CMC shall have the right
to take such action at CMC's expense. In this event, CABOT shall, at CMC's
expense, cooperate in such action with CMC including, without limitation,
joining as a party. Any money recovered by way of damages or otherwise with
respect to such action shall be kept by the party which bore the costs of such
action; or, in any case where the parties have shared the costs, such money
shall be shared in proportion to the costs borne by each party.

5.5 CMC shall render CABOT all reasonable assistance in connection with any
matter pertaining to the protection, enforcement or infringement of LICENSED
TRADEMARK(s) used by CMC, whether in the courts, administrative or
quasi-judicial agencies, or otherwise.

                           ARTICLE 6 - NEW TRADEMARKS

                   Trademark License Agreement - Page 5 of 10
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6.1 Should CMC desire to develop new trademarks using the prefix "CABOT" on the
CMC PRODUCT(s), it must first consult with and obtain the written approval of
CABOT, which approval will not be unreasonably withheld. Such newly developed
trademarks will be registered in the name of CABOT, and will be deemed to be
LICENSED TRADEMARK(s) licensed to CMC hereunder and will be subject to all of
the terms and conditions of this Agreement. Such approval will not be contingent
upon the payment of any fee or royalties to CABOT, however the cost of obtaining
and maintaining such new trademarks shall be borne solely by CMC.

                  Trademark License Agreement -- Page 6 of 10

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                           ARTICLE 7 - INDEMNIFICATION

7.1 CMC agrees to indemnify and hold harmless CABOT and its directors, officers
and employees from any and all claims for damage or injury to persons or
property or for loss of life or limb whereby CABOT has been found liable to any
third party under any product liability, tort liability or similar action
arising out of or in connection with the use by CMC of the LICENSED
TRADEMARK(s).

7.2 For purposes of indemnification, CMC shall purchase an insurance policy
covering at a minimum product and tort liability with a face value of ten
million dollars ($10,000,000), such policy naming CABOT as co-insured. CMC shall
pay any and all premiums of such policy on a timely basis, receipt of which
shall be furnished to CABOT.

                            ARTICLE 8 - MISCELLANEOUS

8.1 Entire Agreement. This Agreement contains the entire agreement of the
parties regarding the subject matter hereof and supersedes all prior agreements,
understandings and negotiations, whether written or oral, regarding the same.
This Agreement may not be changed, modified, amended or supplemented except by a
written instrument signed by both parties. Furthermore, it is the intention of
the parties that this Agreement be controlling over additional, different or
ambiguous terms of any separation agreement, asset transfer agreement or any
similar document, even if accepted in writing by both parties.

8.2 Assignability. This Agreement may not be assigned nor transferred by CMC
without the prior consent of CABOT.

8.3 Extension of Rights. All rights and obligations incurred hereunder by CABOT
or CMC shall extend to and be binding upon their respective domestic and
international divisions, subsidiaries, other controlled companies, affiliates
and related entities.

8.4 Waiver. The waiver by CABOT of a breach of any provision contained herein
shall be in writing and shall no way be construed as a waiver of any subsequent
breach of such provision or the waiver of the provision itself.

8.5 Injunctive Relief. CMC acknowledges that monetary relief would not be an
adequate remedy for a breach or threatened breach by CMC of the provisions of
this Agreement and that CABOT shall be entitled to the enforcement of this
Agreement by injunction, specific performance or other equitable relief, without
prejudice to any other rights and remedies that CABOT may have.

8.6 Disclaimer of Agency, Partnership and Joint Venture. Nothing herein shall be
deemed to create an agency, distributorship, joint venture or partnership
relationship between the parties hereto.

                   Trademark License Agreement - Page 7 of 10
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8.7 Severability. If any provision of this Agreement shall be held illegal or
unenforceable, that provision shall be limited or eliminated to the minimum
extent necessary so that this Agreement shall otherwise remain in full force and
effect and enforceable.

8.8 Notice and Reports. All notices, consents or approvals required by this
Agreement shall be in writing sent by certified, registered, or Express Mail
service, postage prepaid or by facsimile (confirmed by such certified,
registered, Express Mail or other overnight courier service) to the parties at
the following addresses or such other addresses as may be designated in writing
by the respective parties:

         if to CABOT, to:
                                Cabot Corporation
                                 75 State Street
                           Boston, Massachusetts 02109
                              Attn: General Counsel

         with copies to:

                                Cabot Corporation
                                 Law Department
                                157 Concord Road
                         Billerica, Massachusetts 01821
                    Attn: Chief Intellectual Property Counsel

         if to CMC to:

                  Cabot Microelectronics Materials Corporation
                              870 N. Commons Drive
                             Aurora, Illinois 60504
                              Attn: General Counsel

         with copy to:

                  Cabot Microelectronics Materials Corporation
                              870 N. Commons Drive
                             Aurora, Illinois 60504
                                 Attn: President

         Notices shall be deemed effective on the date of mailing.

8.9 Jurisdiction. This Agreement shall be binding in every jurisdiction
worldwide.

8.10 Governing Law. This Agreement shall be governed by, and construed in
accordance with, the laws of the Commonwealth of Massachusetts, without regard
to conflict of laws principles.

                   Trademark License Agreement - Page 8 of 10
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         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
executed by their duly authorized officers or agents as of the day and year
first above written.

CABOT CORPORATION                           CABOT MICROELECTRONICS
                                            CORPORATION

By:      /s/ Samuel W. Bodman               By:      /s/ Matthew Neville
Name:     Samuel W. Bodman                  Name:    Matthew Neville
Title:   Chairman and CEO                   Title:   President and CEO
Date:    March 28, 2000                     Date:    March 28, 2000

                   Trademark License Agreement - Page 9 of 10
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                                   SCHEDULE A

CABOT TRADEMARKS

         CABOT                              with or without a logo or design,
                                            block letters or stylized, as such
                                            may be used as a trademark, service
                                            mark or trade name, individually or
                                            in combination with other names or
                                            marks of CABOT.

         CABOT & DEVICE                     with or without a logo or design,
                                            block letters or stylized, as such
                                            may be used as a trademark, service
                                            mark or trade name, individually or
                                            in combination with other names or
                                            marks of CABOT, as depicted in U.S.
                                            Reg. Nos. 613,329, 615,516, 615,689,
                                            1,619,285, 1,827,952, and 1,833,580.

         CAB AND CABO                       formatives and derivatives, with or
                                            without a logo or design, block
                                            letters or stylized, as such may be
                                            used in combination with one or more
                                            prefixes, suffixes or combinations
                                            thereof.

         CABOT
         MICROELECTRONICS                   with or without a logo or design,
                                            block letters or stylized, as such
                                            may be used as a trademark, service
                                            mark or trade name, individually or
                                            in combination with other names or
                                            marks of CABOT.

         CAB-O-SPERSE                       with or without a logo or design,
                                            block letters or stylized, as such
                                            may be used as a trademark, service
                                            mark or trade name, individually or
                                            in combination with other names or
                                            marks of CABOT.

CABOT PRODUCTS

         Including, but not limited to, carbon black; metal, metalloid oxides
         and alloys thereof such as silica, alumina, tantalum, niobium, cesium,
         rubidium, tellurium, germanium and the like; cesium formate and related
         drilling fluids; barium titanate; masterbatches and granulated
         concentrates for use in such masterbatches; plastics; liquified natural
         gas; coal; and any articles, applications, or dispersions formed from
         any of the above, whether in a finished or unfinished state for use in
         numerous end product applications.

CMC PRODUCTS

         CMC PRODUCTS means polishing consumables for use in the semiconductor,
         electronic, rigid disk and magnetic head industries, such as polishing
         slurries, polishing pads, cleaning compositions, precursor
         compositions, and related consumables.

                   Trademark License Agreement - Page 9 of 10
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                                   SCHEDULE B

                                     [CABOT]

                               [Cabot logo, CABOT]

                   [Cabot logo, CABOT, creating what matters]

                   Trademark License Agreement - Page 10 of 10<PAGE>   1
                                                                    Exhibit 10.8

The omitted portions indicated by brackets have been separately filed with the
Securities and Exchange Commission pursuant to a request for confidential
treatment under Rule 406, promulgated under the Securities Act of 1933, as
amended.

                          DISPERSION SERVICES AGREEMENT

       This DISPERSION SERVICES AGREEMENT (the "Agreement"), executed this 20th
day of January, 2000, is between Cabot Corporation ("Cabot"), a Delaware
corporation, and Cabot Microelectronics Corporation ("CMC"), a Delaware
corporation. Notwithstanding the execution date hereof, this Agreement shall
become effective upon the date of the initial public offering by CMC of shares
of CMC common stock.

       WHEREAS, Cabot and certain of its subsidiaries and CMC will be parties to
a Master Separation Agreement, (the "Master Separation Agreement"), which will
provide for the separation from Cabot of the business, assets and liabilities of
Microelectronics Materials Division of Cabot (the "MMD Business") and the
transfer of the MMD Business to CMC;

       WHEREAS, in the past, the Microelectronics Materials Division of Cabot
has performed various dispersion services for Cabot;

       WHEREAS, Cabot desires to have CMC provide to Cabot certain dispersion
services after the separation of the MMD Business; and

       WHEREAS, CMC desires to provide such dispersion services to Cabot as
provided herein;

       NOW, THEREFORE, in consideration of the foregoing premises and other good
and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties hereby agree as follows:

SECTION 1.        TERM

       This Agreement shall commence on the date of the initial public offering
by CMC of shares of CMC common stock, and shall continue until June 30, 2005
(the "Initial Term"). Unless either party shall give a notice of nonrenewal
prior to December 31, 2003, this Agreement shall continue after the Initial Term
until terminated by either party by a written notice of termination, which shall
terminate this Agreement effective on the first June 30 or December 31 more than
18 months after the date such notice is delivered. The Initial Term, together
with any continuations, are referred to herein as the "Term". Each year of the
Term beginning on the effective date or an anniversary thereof is referred to
herein as a "Term Year", including the stub period, if any, between the last
anniversary of the effective date and the end of the Term.

<PAGE>   2

SECTION 2.        SERVICES

      2.1   Purchase and Sale.

      (a) Subject to the terms and conditions of this Agreement, during the
Term, CMC shall provide to Cabot, and Cabot shall purchase from CMC, the
Services (as defined below) in such quantities as specified by Cabot, subject to
Sections 2.3 through 2.6 below. "Services" means:

      (i)   the manufacturing and packaging of the type of dispersions set forth
            on Schedule A hereto (the "Products") in accordance with the
            specifications, formulae and processes provided by Cabot to CMC and
            initially as set forth in the materials specified on Schedule A
            hereto;

      (ii)  the packaging of the Products in accordance with specifications set
            forth on Schedule A, which may be amended from time to time, by
            mutual agreement; and

      (iii) testing and other ancillary services as related thereto as may be
            mutually agreed between Cabot and CMC from time to time.

      (b) Any amendment to Schedule A shall require the consent of both CMC and
Cabot. Any increase in costs incurred by CMC in manufacturing and/or packaging
Products to comply with changes requested by Cabot to the specifications as set
forth on Schedule A shall be paid by Cabot.

      (c) With respect to Products to be sold to customers of Cabot and/or its
subsidiaries which are located in the United States, Canada or Mexico
(collectively "North America"), Services shall be performed either by (i) CMC at
its facility in Aurora, Illinois (the "Aurora Plant"), or (ii) Davies Imperial
Coatings ("Davies"), pursuant to an agreement between CMC and Davies (the
"Davies Agreement"); provided that CMC shall continue to remain primarily liable
to Cabot for any Services provided by Davies. Cabot and CMC shall confer in good
faith in order to determine whether Services will be provided by the Aurora
Plant or Davies.

      (d) With respect to Products to be sold to customers of Cabot and/or its
subsidiaries located in Europe, Services shall be performed at the dispersions
facility of CMC in Barry, Wales (the "Barry Plant").

      (e) With respect to Products to be sold to customers of Cabot and/or its
subsidiaries located in regions other than North America or Europe, CMC shall
determine

                                      -2-
<PAGE>   3

the appropriate facility to perform such Services after review of its regional
capacity and capabilities and after consultation with Cabot.

      (f) Notwithstanding anything to the contrary in subsections (c) and (d)
above, and subject to 2.3(a)(i), Cabot may specify Products to be manufactured
at the Aurora Plant, regardless of the ultimate geographic market for such
Products, provided that such Products would not be incompatible with the
dispersions manufacturing capabilities at the Aurora Plant or that such Products
would not create contamination issues with respect to the products CMC
manufactures at its Aurora Plant.

      2.2 Forecasts.

      Cabot shall provide CMC with forecasts (the "Forecasts") of the quantities
of Products that Cabot expects to purchase from CMC (the "Forecasted
Quantities"). The Forecasts shall identify the Forecasted Quantities of the
Products and the geographic locations for manufacture (i.e., the Aurora Plant,
Davies or the Barry Plant). Cabot shall provide the following Forecasts to CMC:

      (a) not more than sixty (60) but not less than thirty (30) days prior to
each January 1, April 1, July 1 and October 1 during the Term, a Forecast
indicating the Forecasted Quantity for each month of the calendar quarter
commencing on such January 1, April 1, July 1 and October 1 (the "Quarterly
Forecast");

      (b) not more than sixty (60) but not less than thirty (30) days prior to
on each July 1 and January 1 during the Term, a semi-annual Forecast indicating
the Forecasted Quantity for the six (6) month period commencing on such July 1
and January 1 (the "Six Month Forecast");

      (c) not more than sixty (60) but not less than thirty (30) days prior to
on each July 1, a one (1) year Forecast indicating the Forecasted Quantity for
the calendar year commencing on the following July 1 (the "Annual Forecast");
and

      (d) on or around each July 1, an eighteen (18) month Forecast indicating
the Forecasted Quantity for the eighteen month period commencing on the July 1
(the "18 Month Forecast"); provided, however, that Cabot shall provide CMC with
a revised eighteen (18) Month Forecast for the remainder of the eighteen (18)
month period covered by the last 18 Month Forecast as soon reasonably
practicable after Cabot becomes aware of any material changes to such 18 Month
Forecast.

        For the purposes of this Agreement, Forecasts delivered by Cabot to CMC
after the execution hereof shall, upon the effectiveness of this Agreement, be
deemed to have been delivered hereunder.

                                      -3-
<PAGE>   4

      2.3   CMC's Maximum Supply Obligations.

      (a) The obligation of CMC to provide Products to Cabot shall be subject to
each of the following maximum monthly volume limitations:

      (i)   the maximum monthly volume of Products from CMC's Aurora, Illinois
            facility (the "Aurora Plant") shall be [ ] gallons per month;

      (ii)  the maximum monthly volume of Products from Davies' Hammond, Indiana
            facility (the "Hammond Plant") shall be [ ] gallons per month; and

      (iii) the maximum monthly volume of Products from the Barry Plant shall be
            [ ] gallons per month.

      (b) In addition to the volume limitations set forth in 2.3(a) above, in
the event that Cabot orders volumes of Products from CMC in excess of Forecasted
Quantities, CMC shall not be obligated to supply to Cabot such Products in
excess of the following volumes:

      (i)   for any calendar quarter and any plant, [ ]% of the volumes for such
            plant set forth in Cabot's Quarterly Forecasts;

      (ii)  for any calendar half year (beginning on or after July 1, 2000) and
            any plant, [ ]% of the volumes for such plant set forth in Cabot's
            Sixth Month Forecast; and

      (iii) for any year beginning July 1 and any plant, [ ]% of the volumes for
            such plant set forth in Cabot's Annual Forecast.

       (c) The maximum supply volumes set forth in Sections 2.3 (a) and (b) are
referred to herein as the "Maximum Volumes". If Cabot shall order volumes of
Products in excess of the Maximum Volumes described above, CMC shall use
commercially reasonable efforts to supply such volumes ("Excess Volumes").

      (d) Notwithstanding anything to the contrary in subsections (a) or (b)
above, if CMC shall increase its production capacity at its current dispersions
plants or at newly acquired or constructed dispersions plants, Cabot and CMC
shall negotiate in good faith regarding additional dispersions capacity that may
be available to Cabot and the price for dispersions services related to such
additional capacity.

2.4         Minimum Order Volumes.

                                      -4-
<PAGE>   5

            Cabot agrees to order Products from CMC subject to the minimum batch
size requirements set forth on Schedule A hereto.

2.5      Exclusivity.

       (a) Except in connection with its [ ] businesses, and subject to other
existing obligations, during the Term Cabot will not contract with any third
party (other than Cabot affiliates, CMC, CMIC or Davies) for the provision of
contract or toll manufacturing services for the production of fumed metal oxide
dispersions.

      (b) Notwithstanding subsection (a) above or subsection (c) below:

      (i)   Cabot shall have right the during the Term to produce fumed metal
            oxide dispersions for sale, its own use or the sale or use of its
            subsidiaries;

      (ii)  if CMC or Davies is unable or unwilling to supply certain products
            or volumes in accordance with the terms hereof, or above the Maximum
            Volumes set forth in Section 2.3 hereof, Cabot shall have the right
            to have such products or additional volumes of dispersions
            manufactured for it by other parties;

      (iii) In the event Cabot requests a change to the specifications, formulae
            or processes set forth on Schedule A, which change is necessary in
            order to achieve a material performance difference in Cabot's end
            product, and CMC is not able or is unwilling to modify such Product,
            Cabot shall have the right to have such changed products
            manufactured for it by any other party; and

      (iv)  Cabot shall have the right to contract for and purchase from third
            parties fumed metal oxide dispersions that are produced with fumed
            metal oxides that are not supplied by Cabot.

       (c) If Cabot terminates this Agreement, Cabot shall, for a period of [ ]
following the date of such termination purchase fumed metal oxide dispersions
products and services only from CMC, Davies or third parties who are not engaged
in the production and/or marketing of CMP (chemical mechanical polishing)
consumables.

       (d) During the Term of this Agreement, CMC shall not knowingly, without
Cabot's prior written consent, directly or indirectly, (i) perform dispersions
services for any person or entity other than Cabot for use in the production of
any goods or products that compete with any Cabot products, or (ii) sell fumed
metal oxide dispersions products into applications, other than CMP applications,
which compete with any Cabot product.

                                      -5-
<PAGE>   6

      2.6   Supply of Raw Materials

      Cabot shall be responsible for the supply to CMC of the fumed metal oxide
particles necessary for the manufacture of the Products ordered by Cabot. Any
such volumes of fumed metal oxides shall not be deemed supplied pursuant to the
Fumed Metal Oxide Supply Agreement, of even date herewith. CMC shall be
responsible for the supply of all other materials necessary for the manufacture
of the Products, including packaging materials.

SECTION 3.        PRICING

      3.1 Prices. CMC shall perform the Services and sell the Products in
accordance with the following prices (the "Prices"):

      (a) with respect to Products manufactured and the services performed by
CMC, the price shall equal the "Dispersion Manufacturing Cost" incurred by CMC
plus [ ]% of such Dispersion Manufacturing Cost. As used herein, the "Dispersion
Manufacturing Cost" of fumed metal oxide dispersions shall mean, all costs that
may be included in [ ]. CMC's [ ] may be used for calculating such Dispersion
Manufacturing Cost, provided that both parties mutually agree that it fairly
approximates the above stated Dispersion Manufacturing Cost, and that both
parties mutually agree upon a method to make adjustments due to variances
between the [ ] and the actual Dispersion Manufacturing Cost.

      (b) with respect to Products manufactured and the services performed by
Davies, the price shall equal the Dispersion Manufacturing Cost incurred by CMC
(excluding the costs of the fumed metal oxide particle supplied by Cabot) plus [
]% of such costs as an administrative charge.

      Cabot shall have the right to have a recognized accounting firm audit the
books and records of CMC necessary to verify the Dispersions Manufacturing Cost
provided above. Such accounting firm shall be obligated to keep any information
obtained during the audit of CMC's books and records confidential and may
confirm to Cabot only whether, and to what extent, CMC's calculations of the
Dispersions Manufacturing Cost deviate from the calculation of such accounting
firm.

      3.2 Cost Savings. Cabot and CMC acknowledge that it is their intention to
decrease the costs associated with manufacturing the Products, and to share any
cost savings resulting from joint efforts therefrom equally between them. Cabot
and CMC agree to discuss, from time to time, ways to jointly decrease such
costs.

                                      -6-
<PAGE>   7

SECTION 4.        SHIPPING, DELIVERY AND PAYMENT

      (a) Orders for Products shall be issued by Cabot from time to time. Each
order shall specify the date(s) the Products are to be delivered, which date(s)
shall be not less than ten (10) business days prior to the date the order is
received by CMC. For purposes of applying Section 2.3 only, each volume of
Product shall be deemed to be in the month specified for its shipment in Cabot's
order; and if no date is specified, then in the month following the month in
which the order therefor is issued by Cabot.

      (b) All sales of Products under this agreement are made F.O.B. CMC's point
of shipment. Cabot shall be responsible for all transportation costs and title
and risk of loss shall pass to Cabot upon delivery to carrier.

      (c) All Products shall be prepared by CMC for delivery to Cabot in
accordance with Cabot's reasonable instructions to be supplied by Cabot to CMC
as far in advance of, and not later than ten (10) business days prior to, a
requested shipment date.

      (d) CMC shall invoice Cabot for the Products delivered to Cabot during
each month by the fifteenth (15th) calendar day of the following month. CMC
shall deliver such invoices to Cabot by regular U.S. mail, or other methods such
as express U.S. mail, overnight courier or other means, if mutually acceptable.

      (e) Cabot shall pay each such invoice within fifteen (15) calendar days of
receipt thereof. Such payment shall be made by check or wire transfer in readily
available same day or next day funds denominated in United States dollars. If
payment is to be made by wire transfer, Cabot shall request and CMC shall
provide to Cabot, wire transfer instructions.

SECTION 5.        WARRANTIES

      5.1 Warranty as to Products. CMC represents and warrants to Cabot that,
when delivered to Cabot, the Products and Services will conform in all respects
to the specifications then in effect and as then set forth in the materials
specified on Schedule A hereto. CMC MAKES NO OTHER REPRESENTATION OR WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, AS TO MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE OR ANY OTHER MATTER WITH RESPECT TO THE PRODUCTS OR SERVICES, WHETHER
USED ALONE OR IN COMBINATION WITH OTHER SUBSTANCES, EVEN IF THE PURPOSES OR USES
OF SUCH PRODUCTS ARE KNOWN BY CMC.

      5.2 Remedies. If any Products do not conform in all respects to the
specifications then in effect and as then set forth on Schedule A hereto, CMC
agrees to replace such Products with Products that conform to such
specifications. Subject to the

                                      -7-
<PAGE>   8

following sentence, Cabot shall not be obligated to accept or pay for Products
not conforming to the specifications then in effect for such Products. If such
non-conformity is the result of materials or formulae provided by Cabot to CMC,
Cabot shall pay CMC for the Services and such volumes shall be included in
determining the volumes of Products delivered by CMC to Cabot hereunder. In no
event shall CMC be responsible or liable for any special, incidental or
consequential damages arising as a result of any breach of warranty in respect
of any PRODUCTS OR Services under this Agreement or the transactions
contemplated hereby.

SECTION 6.        RELATIONSHIP OF PARTIES

      (a) CMC and Cabot are each independent contractors. Nothing herein
contained shall be construed to place CMC and Cabot in the relationship of
principal and agent, master and servant, partners, or joint venturers, and,
except as otherwise set forth in this Agreement, neither party shall have,
expressly or by implication, the power to represent itself as having any
authority to make contracts in the name of or binding upon the other, or to
obligate or bind the other in any manner whatsoever.

      (b) Cabot recognizes and agrees that certain dispersions services shall be
performed on CMC's behalf by Davies. However, such services by Davies shall be
considered to have been subcontracted by CMC to Davies, and ultimate
responsibility for the performance of such services shall remain with CMC. Cabot
shall have no direct contractual relationship with Davies with respect to
dispersion services obtained by CMC pursuant to this Agreement.

SECTION 7.        INTELLECTUAL PROPERTY AND CONFIDENTIALITTY

      (a) Any intellectual property relating to the process engineering or
method of production of dispersions ("Dispersions Intellectual Property")
developed by CMC or CMIC principally in the course of performing Services for
Cabot hereunder shall be jointly owned by Cabot and either CMC or CMIC, as the
case may be. Notwithstanding the above, Cabot shall not sublicense or assign
such intellectual property to any party (other than a subsidiary or affiliate of
Cabot) for use in the production and/or sale of CMP consumables. Similarly, CMC
shall not sublicense or assign such intellectual property to any party (other
than a subsidiary or affiliate of CMC) for use in the production and/or sale of
products for use in non-CMP applications.

      (b) CMC or CMIC shall, upon the request of Cabot, grant a non-exclusive
license to Cabot, in exchange for a commercially reasonable royalty payment from
Cabot to CMC or CMIC, as the case may be, to be mutually agreed between the
appropriate parties, any Dispersions Intellectual Property developed by CMC or
CMIC other than in the performance of Services but which is used by CMC or CMIC
in the production of

                                      -8-
<PAGE>   9

Products. Notwithstanding the above, Cabot shall not sublicense or assign such
intellectual property to any party (other than a subsidiary or affiliate of
Cabot) for use in the production and/or sale of CMP consumables.

      (c) CMC and CMIC shall use their commercially reasonable best efforts,
including by seeking to have included in the Davies Agreement appropriate
provisions, to have Davies bound by the provisions of subsections (a) and (b)
above to the same extent as CMC and CMIC.

      (d) Each of Cabot and CMC agree to keep confidential and not disclose, and
shall cause their respective subsidiaries and affiliates to keep confidential
and not disclose, to any party or use for any purpose (other than the
performance of this Agreement), any proprietary or other confidential
information of the other party which is received pursuant to this Agreement
("Confidential Information"). Confidential Information shall be subject to the
restrictions of this paragraph only if it is marked as confidential or
proprietary or, if not disclosed in tangible form, the disclosing party notifies
the recipient of its confidential or proprietary nature prior to its disclosure.
For purposes of this Agreement, Confidential Information of a party does not
include, and a party and a party's subsidiaries and affiliates will have no
obligations under this provision with respect to, any information of the other
party or any subsidiary or affiliate of the other party (the other party and
subsidiaries and affiliates of the other party being referred to as the
"receiving party") which:

      (i)   is already known to the receiving party from a source other than the
disclosing party as evidenced by competent proof thereof; or

      (ii)  is or becomes publicly known through no wrongful act of the
receiving party (in which event the receiving party's obligations under this
Agreement in respect thereto shall terminate on the date such information enters
the public domain); or

      (iii) is rightfully received by the receiving party from a third party
without violation of any obligations of confidentiality owed by the third party
to the disclosing party; or

      (iv) is disclosed by the disclosing party to a third party without
restrictions on the third party's right to use or disclose such information; or

      (v) is independently developed by employees or consultants of the
receiving party without use of or reference to the disclosing party's
Confidential Information; or

      (vi) is approved for release by written authorization of the disclosing
party

SECTION 8.        CONSENTS; NOTICES

      Unless otherwise set forth herein, whenever any notice, consent or
approval is to be given in this Agreement, it must be in writing and delivered
in accordance with the

                                      -9-
<PAGE>   10

provisions of this Section 8. Any such writing will be duly given upon delivery,
if delivered by hand, facsimile transmission or mail, to the following
addresses:

      If to Cabot:            Cabot Corporation
                              Business and Technical Center
                              Billerica, MA  01821
                              Attn: Fumed Metal Oxide Product Line Manager
                              Telecopier:

                        With a copy to:

                              Cabot Corporation
                              75 State Street
                              Boston, MA  02109
                              Attn: Law Department
                              Telecopier:  617-342-6039

      If to CMC:              Cabot Microelectronics Corporation
                              870 North Commons Drive
                              Aurora, IL  60504
                              Attn:  Global Manufacturing Manager
                              Telecopier:  630-375-5596

or to such other address as may be designated in writing by any of the parties
from time to time in accordance herewith.

SECTION 9.        GENERAL

      9.1 Severability. If any provision of this Agreement shall be found to be
invalid or unenforceable, then such provision or provisions shall not invalidate
or in any way affect the enforceability of the remainder of this Agreement and
such provision or provisions shall be curtailed and limited to the extent
necessary to bring the Agreement within any legal requirement and the parties
shall negotiate in good faith with respect to an equitable modification of the
provision or application thereof held to be invalid.

      9.2 Modification; Waivers. Except as expressly provided herein, this
Agreement may be modified or amended only with the written consent of each party
hereto. Neither party hereto shall be released from its obligations hereunder
without the written consent of the other party. The observance of any term of
this Agreement may be waived (either generally or in a particular instance and
either retroactively or prospectively) by the party entitled to enforce such
term, but any such waiver shall be

                                      -10-
<PAGE>   11

effective only if in a writing signed by the party against which such waiver is
to be asserted. Except as otherwise specifically provided herein, no delay on
the part of either party hereto in exercising any right, power or privilege
hereunder shall operate as a waiver thereof, nor shall any waiver on the part of
either party hereto of any right, power or privilege hereunder operate as a
waiver of any other right, power or privilege hereunder nor shall any single or
partial exercise of any right, power or privilege hereunder preclude any other
or further exercise thereof or the exercise of any other right, power or
privilege hereunder.

      9.3 Succession. This Agreement shall be binding upon and shall inure to
the benefit of the parties hereto and their respective successors and other
legal representatives and, to the extent that any assignment hereof is permitted
hereunder, their assignees.

      9.4 Counterparts. This Agreement may be executed in counterparts.

      9.5 Further Assurances. Each party agrees to provide any additional
documents and take any such further action as may be reasonably requested by the
other party in order to carry out the purpose and intent of this Agreement.

      9.6 Entire Agreement. This Agreement contains the full and complete
undertaking and agreement between the parties hereto with respect to the
manufacture and supply of fumed metal oxide dispersions, and supersedes all
other agreements between Cabot, on the one hand, and CMC, on the other, whether
written or oral except any confidentiality agreements between the parties, which
shall, to the extent such agreements do not contradict the terms of this
Agreement, continue in effect.

      9.7 Headings. The headings of the sections and other subdivisions of this
Agreement are for convenient reference only. They shall not be used in any way
to govern, limit, modify, construe this Agreement or any part or provision
thereof nor otherwise be given any legal effect.

      9.8 Assignees and Third Parties. This Agreement may not be assigned by
either party without the prior written consent of the other party and any
attempted assignment without such consent shall be null and void; provided,
however, that Cabot may assign this Agreement to a subsidiary or affiliated
company. In addition, CMC may make arrangements for the production and sale of
Services and Products required hereunder to be manufactured and sold by a
subsidiary or an affiliate, including but not limited to Cabot Microelectronics
International Corporation. Such arrangements may take the form of an assignment
of certain rights and obligations hereunder or a subcontract of certain
obligations hereunder. Similarly, Cabot may make arrangements for the purchase
of Products and Services hereunder to be made by a subsidiary, including but not
limited to Cabot Carbon Ltd. Such arrangements may take the form of an
assignment of certain

                                      -11-
<PAGE>   12
rights and obligations hereunder. However, all sales of Products and Services
pursuant to any such arrangement shall be governed by the terms of this
Agreement.

      9.9 Governing Law. This Agreement shall be governed by and construed and
enforced in accordance with the laws of Delaware, without giving effect to
principles of conflicts or choice of laws of Delaware or of any other
jurisdiction.

      9.10 Force Majeure. Each of the parties hereto shall be excused from
delays in performing or from failure to perform hereunder to the extent that
such delays or failures result from causes beyond the reasonable control of such
party, including, but not limited to, forces of nature, acts of God, strikes,
lockouts, wars, blockades, insurrections, riots, epidemics, restraints or
requirements of any government or government agency, civil disturbances,
explosions, breakage or accident to machinery or lines of pipe, unavailability
of raw material or supplies, strandings, perils of the sea, the binding order of
any court or governmental authority which has been resisted in good faith by all
reasonable means, and other cause, whether of the kind enumerated or otherwise,
not reasonably within the control of the party claiming suspension. Failure to
prevent or settle any strike shall not be considered to be a matter within the
control of the party claiming suspension. However, in order to be excused from
delay or failure to perform, such party must act diligently to remedy the cause
of such delay or failure.

                                      -12-
<PAGE>   13

      IN WITNESS WHEREOF, the parties hereto have executed this Agreement as a
sealed instrument and have delivered this Agreement as of the day and year first
above written.

                                     CABOT CORPORATION

                                     By: /s/  Samuel W. Bodman
                                        ------------------------------------
                                         Name:  Samuel W. Bodman
                                         Title: Chief Executive Officer

                                     CABOT MICROLELECTRONICS
                                     CORPORATION

                                     By: /s/ Matthew Neville
                                        ------------------------------------
                                        Name:  Matthew Neville
                                        Title: President and
                                               Chief Executive Officer

                                      -13-
<PAGE>   14

                                  SCHEDULE A
                                North America
           Products, Materials Specifying Specifications, Formulae,
                   Processes, Quality Control, Maintenance
<TABLE>
<CAPTION>

   PRODUCT       FORMULA       CONTROL PLAN         SPECIFICATION              CMC TEST          STANDARD      MINIMUM
                (REVISION       (EFFECTIVE       (SPECIFICATION NO./            METHODS           PACKAGE       ORDER
                  DATE)        DATE/REVISION        REVISION DATE)           (TEST METHOD                     QUANTITY
                                  LEVEL)                                       NUMBER)
<S>              <C>          <C>                <C>                      <C>                   <C>           <C>
     [ ]         9/19/96      8-5-96, Rev. A       [ ] -10/98-Rev.        101, 200, 300, 302     55 G Poly     8 Drums
                                                       1-10/98                                     Drum
     [ ]         1/19/00      5-1-97, Rev. A        [ ] -1/0-Rev.           203, 6010A (1)      275 G Rock     2 Totes
                                                        3-1/00                                     Tote
     [ ]          5/4/95      10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     8 Drums
                                                        1-5/97                                     Drum
     [ ]          7/5/94      8-5-96, Rev. A        [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     8 Drums
                                                        1-5/97                                     Drum
     [ ]          2/1/93      10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     5 Drums
                                                        1-5/97                                     Drum
     [ ]          7/5/93      10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     5 Drums
                                                        1-5/97                                     Drum
     [ ]          7/6/94      10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     4 Drums
                                                        1-5/97                                     Drum
     [ ]         7/16/93      10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     6 Drums
                                                        1-5/97                                     Drum
     [ ]         9/27/94      10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Fiber     5 Drums
                                                        1-5/97                                     Drum
     [ ]         11/18/93     10-1-97, Rev. A       [ ] -4/98-Rev.        101, 200, 300, 302    55 G Poly     8 Drums
                                                        1-5/97                                     Drum
     [ ]         8/23/96      10-1-97, Rev. A       [ ]-4/98-Rev.1-5/97   101, 200, 300, 302    55 G Poly     6 Drums
                                                                                                    Drum
</TABLE>

                                      -14-
<PAGE>   15

<TABLE>
<CAPTION>

<S>             <C>          <C>                   <C>                     <C>                       <C>               <C>
     [ ]         9/19/96      8-5-96, Rev. A       [ ] -4/98-Rev.           101, 200, 300, 302         55 G Fiber        8 Drums
                                                        1-4/98                                           Drum
     [ ]         9/19/96      8-5-96, Rev. A       [ ] -4/98-Rev.           101, 200, 300, 302         55 G Fiber        6 Drums
                                                        1-4/98                                           Drum
     [ ]          6/9/98      6-9-98, Rev. B       [ ] -6/98-Rev. B         400, 404, 408              55 G Poly         5 Drums
                                                         6/98                                            Drum
     [ ]         8/31/99      8-31-96, Rev. A      [ ] -8/99-Rev. A         DTM 101, 201,              55 G Poly         6 Drums
                                                         8/99               302, 303, 500, 607           Drum
     [ ]         1/19/00      1-19-00, Rev. B      [ ] -1/00-Rev. 1         203, 6010A (1)            275 G Rock        2800 LBS
                                                                                                           Tote
</TABLE>

                                      -15-
<PAGE>   16

                                  SCHEDULE A
                                    Europe
           Products, Materials Specifying Specifications, Formulae,
                   Processes, Quality Control, Maintenance

<TABLE>
<CAPTION>

  PRODUCT      FORMULA        CONTROL PLAN              SPECIFICATION         CMC TEST                 STANDARD     MINIMUM ORDER
              (REVISION        (EFFECTIVE           (SPECIFICATION NO./       METHODS                  PACKAGE        QUANTITY
                DATE)            DATE/REVISION          REVISION DATE)        (TEST METHOD
                                     LEVEL)                                     NUMBER)

<S>        <C>                <C>                   <C>                       <C>                    <C>            <C>
    [ ]        (US-[ ])        10-1-97 Rev. A          [ ] -4/98-Rev.         CTM 400, 407, 404       220 liter       1000 Kgs
                5/4/95                                      1-5/97                                    Poly Drum
    [ ]       D1.701.013       D1.701.013 Rev. 3       D1.701.013 Rev 3       CTM 400, 407, 405       220 liter       1062 Kgs
            Rev 3 23/12/99          23/12/99               23/12/99                                   Poly Drum
    [ ]       D1.701.003       D1.701.003 Rev. 2       D1.701.003 Rev.2       CTM 400, 407, 406       220 liter       1062 Kgs
            Rev.2 15/12/99          15/12/99               15/12/99                                   Poly Drum
    [ ]       D1.701.005       D1.701.005 Rev. 3       D1.701.005 Rev 3       CTM 400, 407, 407       220 liter       1090 Kgs
            Rev 3 16/12/99          16/12/99               16/12/99                                   Poly Drum
    [ ]       D1.701.024       D1.701.024 Rev. 2       D1.701.024 Rev. 2      CTM 400, 407, 411       220 liter       1028 Kgs
                Rev. 2              16/12/99               16/12/99                                   Poly Drum
               16/12/99
    [ ]       (US-A1695)       10-1-97 Rev. A          A1695-4/98-Rev.        CTM 400, 407, 413       220 liter       1000 Kgs
                7/5/93                                      1-5/97                                    Poly Drum
    [ ]       D1.701.036       D1.701.036 Rev. 2       D1.701.036 Rev. 2      CTM 400, 407, 416       220 liter       1088 Kgs
            Rev.2 23/12/99          23/12/99               23/12/99                                   Poly Drum
    [ ]       D1.701.037       D1.701.037 Rev. 2       D1.701.037 Rev. 2      CTM 400, 407, 417       220 liter       1088 Kgs
                Rev. 2              06/01/00               06/01/00                                   Poly Drum
               06/01/00
    [ ]       D1.701.038       D1.701.038 Rev. 2       D1.701.038 Rev. 2      CTM 400, 407, 418       220 liter       1460 Kgs
                Rev. 2              06/01/00               06/01/00                                   Poly Drum
               06/01/00
    [ ]       D1.701.040       D1.701.040 Rev, 3       D1.701.040 Rev. 3      CTM 400, 407, 420       220 liter       1090 Kgs
                Rev. 3              15/12/99               15/12/99                                   Poly Drum
               15/12/99
    [ ]       D1.701.002       D1.701.002 Rev. 2       D1.701.002 Rev. 2      CTM 400, 407, 424       220 liter       1240 Kgs
            Rev. 2 05/01/00         05/01/00               05/01/00                                   Poly Drum
</TABLE>

                                      -16-
<PAGE>   17

<TABLE>
<CAPTION>

<S>           <C>              <C>                     <C>                   <C>                     <C>             <C>
    [ ]       D1.701.017       D1.701.017 Rev. 2       D1.701.017 Rev. 2      CTM 400, 407, 425       220 liter        988 Kgs
                Rev. 2              15/12/99               15/12/99                                   Poly Drum
               15/12/99
    [ ]       D1.701.033       D1.701.033 Rev. 2       D1.701.033 Rev. 2      CTM 400, 407, 426       220 liter       1070 Kgs
                Rev. 2              08/12/99               08/12/99                                   Poly Drum
               08/12/99
</TABLE>

                                      -18-

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