Document:

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                                                                     Exhibit 4.1

UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC") TO ISSUER OR ITS AGENT
FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS
REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN
AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO
SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OF OTHERWISE BY OR TO ANY PERSON
IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN.

TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT
NOT IN PART, TO NOMINEES OF CEDE & CO. OR TO A SUCCESSOR THEREOF OR SUCH
SUCCESSOR'S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE
LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE
INDENTURE.

<PAGE>

                                   ALCAN INC.

                                4-7/8% NOTE DUE 2012

                                                             CUSIP No. 013716AR6
                                                           ISIN No. US013716AR64
No. R-1
                                                                    $500,000,000

         Alcan Inc., a corporation duly organized and existing under the laws of
Canada (the "Issuer"), for value received, hereby promises to pay to Cede & Co.
or registered assigns, at the office or agency of the Issuer in the Borough of
Manhattan, the City of New York, the principal sum of Five Hundred Million
Dollars on September 15, 2012, in such coin or currency of the United States of
America as at the time of payment shall be legal tender for the payment of
public and private debts, and to pay interest, semiannually on March 15 and
September 15 of each year, commencing March 15, 2003, on said principal sum at
said office or agency, in like coin or currency, at the rate per annum specified
in the title of this Note, from the March 15 or the September 15, as the case
may be, next preceding the date of this Note to which interest has been paid,
unless the date hereof is a date to which interest has been paid, in which case
from the date of this Note, or unless no interest has been paid on these Notes,
in which case from September 10, 2002, until payment of said principal sum has
been made or duly provided for; provided, that payment of interest may be made
at the option of the Issuer by check mailed to the address of the person
entitled thereto as such address shall appear on the Security register.
Notwithstanding the foregoing, if the date hereof is after the first day of
March or September, as the case may be, and before the following March 15 or
September 15, this Note shall bear interest from such March 15 or September 15;
provided, that if the Issuer shall default in the payment of interest due on
such March 15 or September 15, then this Note shall bear interest from the next
preceding March 15 or September 15, to which interest has been paid or, if no
interest has been paid on these Notes, from September 10, 2002. The interest so
payable on any March 15 or September 15 will, subject to certain exceptions
provided in the Indenture referred to on the reverse hereof, be paid to the
person in whose name this Note is registered at the close of business on the
March 1 or September 1, as the case may be, next preceding such March 15 or
September 15.

         Reference is made to the further provisions of this Note set forth on
the reverse hereof. Such further provisions shall for all purposes have the same
effect as though fully set forth at this place.

         This Note shall not be valid or become obligatory for any purpose until
the certificate of authentication hereon shall have been signed by the Trustee
under the Indenture referred to on the reverse hereof.

                                      -2-

<PAGE>

         IN WITNESS WHEREOF, Alcan Inc. has caused this instrument to be signed
by facsimile by its duly authorized officers and has caused a facsimile of its
corporate seal to be affixed hereunto or imprinted hereon.

Dated: September 10, 2002

                                          Alcan Inc.

                                            By: /s/ Glenn Lucas
                                                -------------------------
                                                Glenn Lucas
                                                Vice President and Treasurer

                                            By: /s/ Roy Millington
                                                -------------------------
                                                Roy Millington
                                                Corporate Secretary

                     TRUSTEE'S CERTIFICATE OF AUTHENTICATION

         This one of the Securities of the series despecified therein referred
to in the within-mentioned Indenture.

                                      Deutsche Bank Trust Company Americas
                                      (formerly known as Bankers Trust Company),
                                      as Trustee

                                            By: /s/ Susan Johnson
                                                -------------------------
                                                Susan Johnson
                                                Vice President

                                      -3-

<PAGE>

                                (REVERSE OF NOTE)

                                   ALCAN INC.

                                4-7/8% NOTE DUE 2012

         This Note is one of a duly authorized issue of debentures, notes, bonds
or other evidences of indebtedness of the issuer (hereinafter called the
"Securities") of the series hereinafter specified, all issued or to be issued
under and pursuant to an indenture dated May 15, 1983 (herein called the
"Indenture"), duly executed and delivered by the Issuer to Deutsche Bank Trust
Company Americas (formerly known as Bankers Trust Company), Trustee (herein
called the "Trustee"), to which Indenture and all indentures supplemental
thereto reference is hereby made for a description of the rights, limitations of
rights, obligations, duties and immunities thereunder of the Trustee, the Issuer
and the Holders of the Securities. The Securities may be issued in one or more
series, which different series may be issued in various aggregate principal
amounts, may mature at different times, may bear interest (if any) at different
rates, may be subject to different redemption provisions (if any) may be subject
to different sinking, purchase or analogous funds (if any) and may otherwise
vary as in the Indenture provided. This Note is one of a series designated as
the 4-7/8% Notes Due 2012 of the Issuer, limited in aggregate principal amount
to $500,000,000.

         The Issuer may, at any time, and from time to time, issue additional
notes under the Indenture in unlimited amounts having the same terms as this
Note, and such additional notes will, together with this Note and any Notes
which may be issued in exchange or substitution herefor, constitute a single
series of Securities under the Indenture.

         In case an Event of Default with respect to the 4-7/8% Notes due
September 15, 2012, as defined in the Indenture, shall have occurred and be
continuing, the principal hereof may be declared, and upon such declaration
shall become, due and payable, in the manner, with the effect and subject to the
conditions provided in the Indenture.

         The Indenture contains provisions permitting the Issuer and the
Trustee, with the consent of the Holders of not less than 66-2/3% in aggregate
principal amount of the Securities at the time Outstanding (as defined in the
Indenture) of all series to be affected (voting as one class), evidenced as in
the Indenture provided, to execute supplemental indentures adding any provisions
to or changing in any manner or eliminating any of the provisions of the
Indenture or of any supplemental indenture or modifying in any manner the rights
of the Holders of the Securities of each such series; provided, that no such
supplemental indenture shall (i) extend the final maturity of any Security, or
reduce the principal amount thereof or any premium thereon, or reduce the rate
or extend the time of payment of any interest thereon, or impair or affect the
rights of any Holder to institute suit for the payment thereof, without the
consent of the Holder of each Security so affected, or (ii) reduce the aforesaid
percentage of Securities, the Holders of which are required to consent to any
such supplemental indenture, without the consent of the Holder of each Security
affected. It is also provided in the Indenture that the Holders of a majority in
aggregate principal amount Outstanding of the Securities of each series may,
prior to any declaration accelerating the maturity of each Securities, on behalf
of the Holders of all the Securities of such series waive compliance by the
Issuer with certain provisions of the Indenture and any such past default or
Event of Default and its consequences and may, after any such declaration, waive
such declaration and

                                      -4-
<PAGE>

its consequences. The preceding sentence shall not, however, apply to a default
in the payment of the principal of or premium, if any, or interest on any of the
Securities. Any such consent or waiver by the Holder of this Note (unless
revoked as provided in the Indenture) shall be conclusive and binding upon such
Holder and upon all future Holders and owners of this Note and any Notes which
may be issued in exchange or substitution herefor, irrespective of whether or
not any notation thereof is made upon this Note or such other Notes.

         No reference herein to the Indenture and no provision of this Note or
of the Indenture shall alter or impair the obligation of the Issuer, which is
absolute and unconditional, to pay the principal of and any premium and interest
on this Note in the manner, at the respective times, at the rate and in the coin
or currency herein prescribed.

         The Notes are issuable in registered form without coupons in
denominations of $1,000 and any multiple of $1,000 at the office or agency of
the Issuer in the Borough of Manhattan, The City of New York, and in the manner
and subject to the limitations provided in the Indenture, but without the
payment of any service charge, Notes may be exchanged for a like aggregate
principal. amount of Notes of other authorized denominations.

         The Notes may be redeemed at the option of the Issuer, as a whole, or
from time to time in part, at any time, upon mailing a notice of such redemption
not less than 30 nor more than 60 days prior to the date fixed for redemption to
the Holders of Notes at their last registered addresses, all as further provided
in the Indenture, at an optional redemption price equal to the greater of,
together in each case with accrued interest to the date fixed for redemption:

         o   100% of the principal amount of the Notes to be redeemed; or

         o   the sum of the present values of the Remaining Scheduled Payments
             (as defined in the Prospectus Supplement dated September 5, 2002
             relating to the Notes) discounted to the redemption date on a
             semiannual basis at the Treasury Rate (as defined in the Prospectus
             Supplement dated September 5, 2002 relating to the Notes) plus 20
             basis points.

         Upon due presentment for registration of transfer of this Note at the
office or agency of the Issuer in the Borough of Manhattan, The City of New
York, a new Note or Notes of authorized denominations for an equal aggregate
principal amount will be issued to the transferee in exchange therefor, subject
to the limitations provided in the Indenture, without charge except for any tax
or other governmental charge imposed in connection therewith.

         The Issuer, the Trustee and any authorized agent of the Issuer or the
Trustee may deem and treat the registered Holder hereof as the absolute owner of
this Note (whether or not this Note shall be overdue and notwithstanding any
notation of ownership or other writing hereon, for the purpose of receiving
payment of, or on account of, the principal hereof and premium, if any, and,
subject to the provisions on the face hereof, interest hereon, and for all other
purposes, and neither the Issuer nor the Trustee nor any authorized agent of the
Issuer or the Trustee shall be affected by any notice to the contrary.

         No recourse under or upon any obligation, covenant or agreement of the
Issuer in the Indenture or any indenture supplemental thereto or in any Note, or
because of the creation of any indebtedness

                                      -5-

<PAGE>

represented thereby, shall be had against any incorporator, stockholder, officer
or director, as such, of the Issuer or of any successor corporation, either
directly or through the Issuer or any successor corporation, under any rule of
law, statute or constitutional provision or by the enforcement of any assessment
or by any legal or equitable proceeding or otherwise, all such liability being
expressly waived and released by the acceptance hereof and as part of the
consideration for the issue hereof.

         Terms used herein which are defined in the Indenture shall have the
respective meanings assigned thereto in the Indenture.

                                      -6-Exhibit 10.1

                      TERMINATION AND SETTLEMENT AGREEMENT

      TERMINATION AND SETTLEMENT AGREEMENT made as of the 10th day of September
2002 (the "Effective Date"), by and between TTR Technologies, Inc., a Delaware
corporation with offices at 575 Lexington Avenue, New York, NY ("TTR Inc."), TTR
Technologies, Ltd, a company organized under the laws of Israel, with offices at
3 Hagavish Street, Kfar Saba Industrial Zone, Israel ("TTR Ltd"; together with
TTR Inc., the "Companies") and Marc D. Tokayer residing in Petach Tikvah, Israel
("MDT").

      WHEREAS, MDT currently serves as TTR Ltd.'s General Manager and TTR Inc.'s
President, under that certain restated and amended employment agreement between
TTR Inc., TTR Ltd. and MDT, entered into as of May 6, 2002, (hereinafter, the
"Employment Agreement") and concurrently serves as Chairman of the Board of
Directors of both TTR Ltd and TTR Inc;

      WHEREAS, the Companies and MDT desire to terminate MDT's employment under
the Employment Agreement and his service on the Companies' Boards of Directors,
all on the terms and conditions set forth herein.

      NOW, THEREFORE, in consideration of the terms and conditions hereafter set
forth the adequacy and sufficiency of which are hereby acknowledged, the parties
agree hereafter as follows:

      1. Resignation of Positions by MDT. Subject to the terms and conditions
set forth herein, by his execution of this Agreement, MDT hereby resigns from
his positions as TTR Ltd.'s General Manager and TTR Inc.'s President, and as a
director of each of TTR Ltd. and TTR Inc., and from any and all other offices he
has held at the Companies and/or any of its affiliates and subsidiaries
including, without limitation, directorships and executive management positions.

      The parties acknowledge and agree that MDT's signature to this Agreement
shall serve as adequate and complete legal notice of his resignation as a
director, officer, employee, and member of management, both to each of the
respective Board of Directors of the Companies and to all applicable affiliates
and subsidiaries.

      The parties acknowledge and agree that the Companies' signature to this
Agreement shall serve as its acceptance of MDT's resignation from these
capacities, and of its responsibility to provide timely notification of such
resignation to the Companies' Boards of Directors, to the Companies' affiliates
and subsidiaries, and to all authorities to whom such resignation must be
reported by law. MDT agrees to execute any reasonably necessary document to
facilitate and effect any notification of his resignation of positions with the
Companies. TTR Ltd. shall forthwith file the necessary instruments with the
Israeli registrar of Companies to remove MDT as a director of TTR Ltd. and
appoint an appropriate replacement director.

      2. Company Property. Except as otherwise herein provided, on or before the
Effective Date, MDT shall return to Companies all TTR Ltd and TTR Inc property
then in his possession.

      3. Financial Terms Relating to Termination of Employment. Subject to the
terms and conditions set forth herein and in consideration of the resignations
and releases contained herein, the Companies hereby agree as follows
(collectively, the "Settlement Amount"):

<PAGE>

                                       2

            (a) Upon execution and delivery by MDT of this Agreement, TTR Ltd.
      shall remit to MDT any outstanding salary payments due and payable through
      the Effective Date under Section 3.06 of the Employment Agreement
      (Termination by Executive without Good Reason), less deductions and
      withholdings under Israeli or other applicable law customarily made by TTR
      Ltd. and/or required by law, and, by his signature below, MDT hereby
      waives any claim to any other payments (other than salary) due under the
      Employment Agreement;

            (b) Upon execution and delivery by MDT of this Agreement, TTR Ltd.
      releases to MDT all amounts accumulated in MDT's current Bituach Menahalim
      and Keren Histalmut policies, and TTR Ltd. (and to the extent necessary,
      TTR Inc.) shall take all reasonably necessary actions to cooperate with
      MDT in transferring or redeeming MDT's current Bituach Menhalim and Keren
      Hishtalmut policies, in accordance with such policies terms and conditions
      and applicable law. BY HIS SIGNATURE BELOW, MDT AGREES THAT THE TRANSFER
      TO HIM OF SUCH POLICIES IS BEING MADE IN FULL SATISFACTION OF ALL CLAIMS
      BY MDT AGAINST THE COMPANIES, AND MDT HEREBY WAIVES ANY RIGHTS HE MAY HAVE
      UNDER APPLICABLE LAW OR THE EMPLOYMENT AGREEMENT TO ANY ADDITIONAL AMOUNTS
      THAT TTR LTD. OR TTR INC. MAY BE REQUIRED TO PAY, INCLUDING, WITHOUT
      LIMITATION, SEVERANCE PAY UNDER ISRAELI LAW OR FURTHER PAYMENTS INTO SUCH
      POLICIES, AND FURTHER AGREES THAT HE SHALL HAVE NO RIGHT OR REMEDY AGAINST
      TTR LTD. OR TTR INC. FOR ANY SUCH PAYMENTS OR SHORTFALL;

            (c) TTR Inc. agrees that the employee stock options heretofore
      granted by TTR Inc. to MDT, shall, notwithstanding any agreement to the
      contrary between TTR Inc. and MDT, continue to be exercisable through the
      duration of the original grant of such options and, upon execution and
      delivery by MDT of this Agreement, such options will vest and become
      immediately exercisable, all on the terms and conditions applicable to
      such grants, including, without limitation, the exercise price thereof,
      all in accordance with each of TTR Inc.'s 1996 and 2000 equity incentive
      plans and agreements thereunder. TTR Inc. acknowledges that TTR Inc.'s
      compensation committee has approved (or upon signature and delivery of
      this Agreement by TTR Inc., shall have approved) the extension of the
      exercise period of such options;

            (d) The Companies shall have an opportunity (at their own expense)
      to make a back-up or copy of the database personal laptop used by MDT,
      except for MDT's files of a personal nature; and

            (e) TTR Ltd. shall lease to MDT the automobile currently used by him
      and in his possession in consideration of quarterly lease payments to be
      made to the Ltd over a five year period. TTR Ltd. shall forthwith take all
      actions and execute instruments necessary or desirable to enter into a
      lease relating to such automobile on the terms outlined above.

            All taxes, withholdings and deductions payable or due in respect of
      MDT's receipt of the Settlement Amount, or any component thereof, if any,
      will be borne by MDT. Notwithstanding the foregoing, Companies will deduct
      from payments made under the Settlement Amount amounts required to be
      withheld in respect of deductions and withholdings under Israeli, United
      States other applicable law customarily made by each of TTR Inc. and TTR
      Ltd. and/or required by law.

<PAGE>

                                       3

      MDT acknowledges and agrees that the Settlement Amount is being made in
full and final release by MDT of any and all claims, rights or remedies that he
may have under the Employment Agreement or otherwise available under law.

      4. Continuing Obligations of MDT. Notwithstanding anything else contained
herein, MDT hereby acknowledges and agrees that the provisions of Article IV of
the Employment Agreement (Confidentiality and Non-compete) shall continue in
full force and effect after the Effective Date of this Agreement, in accordance
with their terms and for the duration specified therein. Nothing contained in
this Agreement shall be construed or interpreted as a waiver by the Companies or
any of its affiliates or subsidiaries of any right or remedy available under
Article IV of the Employment Agreement in the event of a breach occurring after
the Effective Date of this Agreement.

      5. Indemnification.

      TTR Inc. agrees to hold harmless and indemnify MDT as, and in the manner,
permitted by Section 145 of the Delaware General Corporation Law, to the extent
(and only to such extent) that the Companies' directors and officers insurance
or such other insurance as the Companies may have in effect at the time of a
Proceeding (as defined herein) does not provide coverage, or to the extent (and
only such extent) that the Damages (as defined herein) exceed such insurance
policy coverage limits, for the reasonable costs of defense and any and all
losses, claims, damages, liabilities or expenses, including, without limitation,
reasonable attorneys' fees, judgments, fines, excise taxes or penalties, witness
fees, amounts paid in settlement and other expenses incurred in connection with
any Proceeding (the "Damages"), relating to any completed, actual, pending or
threatened action, suit, claim or proceeding, whether civil, criminal,
administrative or investigative (including an action by or in the right of
either of the Companies) and whether formal or informal (each a "Proceeding"),
in which MDT is, was or becomes involved by reason of the fact that MDT was a
director, officer, employee, trustee or agent of either of the Companies or
that, being or having been such a director, officer, employee, trustee or agent,
MDT is or was serving at the request of the Company as a director, officer,
employee, trustee or agent of another corporation or of a partnership, joint
venture, trust or other enterprise, whether the basis of such proceeding is an
alleged action (or inaction) by MDT in an official capacity as a director,
officer, employee, trustee or agent or in any other capacity while serving as a
director, officer, employee, trustee or agent; provided, that, the above
indemnification shall not apply with respect to the civil actions entitled (i)
Strum et all v. Marc D. Tokayer et all and (ii) Eilenberg v. Marc D. Tokayer, et
all, pending in the United States District for the Southern District of New York
in which MDT is a named defendant, and with respect to any other action of a
substantially similar nature filed brought by or in the name of a shareholder of
TTR Inc. in which MDT is named as a defendant (collectively, the "Affected
Actions") and provided, further, the maximum amount in the aggregate for this
indemnification shall not exceed $25,000, it being understood that, with respect
to the agreement between TTR Ltd. and Gershon Tokayer ("GT") dated as of the
date hereof with respect to the termination and settlement of GT's association
with TTR Inc. and TTR Ltd. (the "GT Agreement"), any amount specified in Section
6 of the GT Agreement [Indemnification] and not applied to GT's indemnification
as provided in the GT AGreement, may, with GT's consent, be applied to MDT's
indemnification hereunder, it being further understood that the indemnification
for GT under the GT Agreement and MDT hereunder shall not exceed, in the
aggregate for both MDT and GT, $50,000.

      6. Releases.

      6.1 In consideration of the promises, covenants and releases contained
herein, the adequacy of which is hereby acknowledged, MDT (on his behalf and on
behalf of each of his respective agents, attorneys, heirs, successors,
executors, personal representatives and assigns) does hereby absolutely and
unconditionally waive, release and forever discharge each of the Companies,
their respective affiliates and subsidiaries, their respective past, present and
future officers, directors, shareholders, employees, agents, attorneys,
successors and assigns (hereinafter, the "Companies' Released Parties"), from
any claims, demands, obligations,

<PAGE>

                                       4

liabilities, rights, causes of action and damages, whether liquidated or
unliquidated, absolute or contingent, known or unknown, from the beginning of
time to the Effective Date of this Agreement, or that arise under the Employment
Agreement or that arise under any body of labor or contract law, including any
claims under Israeli labor laws and regulations, or any claim for wrongful
termination, or claims with respect to any other payment required under Israeli
law. Notwithstanding the foregoing, the rights and obligations set forth in this
Agreement shall remain in full force and effect; nothing hereunder shall be
construed to release any rights accrued to MDT to continue or redeem any
employee welfare benefit plan (including without limitation Betuach Menahalim
and Keren Hishtalmut) during his employment, or to release any rights accrued or
applicable to MDT under any applicable insurance policy, including any officer
and director liability insurance coverage or any errors and omissions coverage;
nothing hereunder shall waive any indemnification rights applicable to MDT as a
former officer and Director of the Companies or shall be construed to waive any
rights MDT has as a shareholder or a holder of options.

      6.2 In consideration of the promises, covenants and releases contained
herein, the adequacy of which is hereby acknowledged, each of the Companies (on
its behalf and on behalf of its affiliates and subsidiaries and each of their
respective, past, present and future officers, directors, employees, attorneys,
agents, successors, executors, and assigns) does hereby absolutely and
unconditionally waive, release and forever discharge MDT (and his agents,
attorneys, heirs, successors, executors, personal representatives and assigns),
from any claims, demands, obligations, liabilities, rights, causes of action and
damages, whether liquidated or unliquidated, absolute or contingent, known or
unknown, from the beginning of time to the Effective Date of this Agreement, or
that arise under any body of labor or contract law, provided, that, this release
shall not apply to any derivative claim or suit by a shareholder of TTR Inc.
Additionally, the foregoing release shall not be construed as a waiver of future
claims by Companies arising from MDT's conduct after the Effective Date of this
Agreement with respect to his obligations to Companies under the confidentiality
and non-competition provisions contained in the Employment Agreement and any
undertakings of MDT pursuant to this Agreement.

      7. Non-Disparagement. MDT (on behalf of his heirs and personal
representatives), agrees not to make disparaging remarks concerning the
Companies or their respective businesses or any of their respective employees,
consultants, stockholders, directors, affiliates, subsidiaries or
representatives. Each of the Companies agrees not to make disparaging remarks
concerning MDT. Nothing herein shall be interpreted as affecting either of the
parties' obligations to comply with the specific terms of any valid and
effective subpoena, oral questions, interrogatories, requests for information,
civil investigative demand or order issued by a court of competent jurisdiction
or by a governmental body.

      8. Certain Representations of TTR Inc. With respect to the Affected
Actions, TTR Inc. hereby represents to MDT that it will refrain from taking any
action that may interfere with the provision to MDT of insurance coverage by the
insurance carrier under the Companies' Directors And Officers Liability
Insurance policy.

      9. Press Release. On or immediately following the Effective Date, TTR Inc.
shall issue a press release in the form attached hereto relating to MDT's
resignation.

      10. Reasonable Attorney's Fees. Upon the execution hereof, TTR, Ltd. shall
reimburse MDT the amount of $2,500 for legal fees paid by him in connection with
the negotiation and execution of this Agreement.

<PAGE>

                                       5

      11. Reliance. The parties acknowledge and agree that in the execution of
this Agreement, neither has relied upon any representation by any party or
attorney, except as expressly stated or referred to herein.

      12. Headings. Section and subsection headings are not to be considered
part of this Agreement and are included solely for convenience and are not
intended to be full or accurate descriptions of the content thereof.

      13. Successors and Assigns. Except as otherwise provided in this
Agreement, all the terms and provisions of this Agreement shall be upon, and
shall inure to the benefit of, the parties hereto and their respective heirs,
personal representatives, successors and assigns.

      14. Non-Assignment. By his signature below, MDT represents and warrants
that he has not assigned or otherwise conveyed to any third party any claim
against any of the Companies.

      15. Counterparts. This Agreement may be executed in one or more
counterparts, each of which shall be deemed an original, but all of which
together shall constitute one and the same instrument.

      16. Entire Agreement. This Agreement constitutes the entire agreement
among the parties hereto with respect to the subject matter hereof and
supersedes any prior or contemporaneous understanding or agreement or letters,
written or verbal, among the parties with respect to the subject matter hereof
other than as expressly referenced herein. No supplement, modification or waiver
or termination of this Agreement or any provision hereof shall be binding unless
executed in writing by the parties to be bound thereby.

      17. Governing Law, Jurisdiction and Forum. This Agreement, its validity,
construction and effect shall be governed by and construed under the laws of the
State of New York without reference to the principles of conflict of laws. The
parties hereby irrevocably consent to the jurisdiction of the courts of the
State of New York or the appropriate federal court sitting in the State of New
York for all actions, disputes, controversies, differences or questions arising
out of or relating to this Agreement.

      18. Representation. Each of MDT and TTR Inc. and TTR Ltd., acknowledges
that they have had the opportunity to consult with legal counsel respecting this
Agreement. Each person executing this Agreement on behalf of a corporation
hereby represents and warrants that he has been authorized to do so by all
necessary corporate action.

<PAGE>

                                       6

      IN WITNESS WHEREOF, each of the parties has set forth its/his signature
as of the date first written above.

TTR Technologies, Inc.                         TTR Technologies, Ltd.

By: /s/ Daniel C. Stein                        By: /s/ Sam Brill
   ---------------------                          ---------------------

Title: Chief Executive Officer                 Title: Director

/s/ Marc D. Tokayer
---------------------
Marc D. Tokayer

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