Document:

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                                                                    EXHIBIT 10.6

                             DATA SERVICES AGREEMENT
                                     between
                        THE DUN & BRADSTREET CORPORATION
                                       and
                             THE NEW D&B CORPORATION

                         Dated as of September 30, 2000
<PAGE>   2
                  DATA SERVICES AGREEMENT (this "Agreement"), dated as of
September 30, 2000 (the "Agreement Date"), by and between THE DUN & BRADSTREET
CORPORATION (the "Corporation") and THE NEW D&B CORPORATION ("New D&B").

                              W I T N E S S E T H:

                  WHEREAS, the Board of Directors of the Corporation has
determined that it is appropriate, desirable, and in the best interests of the
Corporation and its businesses, as well as of the holders of shares of common
stock, par value $0.01 per share, of the Corporation ("Corporation Common
Stock"), to take certain steps to reorganize Corporation's subsidiaries and
businesses and then to distribute to the holders of the Corporation Common Stock
all the outstanding shares of common stock of New D&B (the "Distribution");

                  WHEREAS, prior to the Distribution Date, Dun & Bradstreet,
Inc. ("Service Provider") a subsidiary of New D&B, has provided and Moody's
Investors Service, Inc. ("Recipient"), a subsidiary of the Corporation, has
purchased, pursuant to various written and oral agreements, the Data Processing
Services described in this Agreement; and

                  WHEREAS, in order to facilitate the orderly continuation of
Recipient's business for a transitional period after the Distribution Date, New
D&B, on behalf of Service Provider, has agreed to provide to Recipient, and the
Corporation, on behalf of Recipient, has agreed to purchase from Service
Provider, the Data Processing Services described in this Agreement.

                  NOW, THEREFORE, in consideration of the agreements as set
forth below, it is agreed as follows:

                  ARTICLE  1. DEFINITIONS AND CONSTRUCTION

                  1.1 Definitions. The following defined terms shall have the
meanings specified below:

                  (1) "Agreement" shall have the meaning set forth in the
Heading.

                  (2) "Agreement Date" shall have the meaning set forth in the
Heading.

                  (3) "Alternative Provider" shall mean any alternative external
service provider selected by Recipient for the provision of services similar to
the Data Processing Services following the expiration or termination of this
Agreement.

                  (4) "Corporation" shall have the meaning set forth in the
preamble.

                  (5) "Data Center" shall mean Service Provider's data center
located at Berkeley Heights, New Jersey and any successor location.
<PAGE>   3
                  (6) "Data Processing Services" shall mean the data processing
services described in Schedule A.

                  (7) "Distribution" shall have the meaning set forth in the
Recitals.

                  (8) "Distribution Agreement" shall mean the Distribution
Agreement, dated as of September 30, 2000, between the Corporation and New D&B.

                  (9) "Distribution Date" shall mean the date on which the
Distribution is made under the Distribution Agreement.

                  (10) "Fees" shall mean those charges for the Data Processing
Services set forth in Schedule B.

                  (11) "New D&B" shall have the meaning set forth in the
preamble.

                  (12) "Recipient" shall have the meaning set forth in the
Recitals.

                  (13) "Party" shall mean either the Corporation or New D&B.

                  (14) "Recipient Data" shall mean all data or information
supplied by Recipient to Service Provider for processing or transmission in
connection with the Data Processing Services.

                  (15) "Recipient Hardware" shall mean the hardware described on
schedule A and related documentation owned or leased by Recipient and housed at
the Data Center on which is installed the Recipient Software.

                  (16) "Recipient Software" shall mean the software and related
documentation owned or licensed by Recipient which is installed on the Recipient
Hardware.

                  (17) "Service Provider" shall have the meaning set forth in
the Recitals.

                  (18) "Term" shall have the meaning set forth in Article 2.

                  1.2 References. In this Agreement and the Schedules to this
Agreement:

                  (1) the Schedules to this Agreement shall be incorporated in
and deemed part of this Agreement and all references to this Agreement shall
include the Schedules to this Agreement; and

                  (2) references to the word "including" or the phrase "e.g." in
this Agreement shall mean "including, without limitation".

                  1.3 Headings. The article and section headings and the table
of contents are for reference and convenience only and shall not be considered
in the interpretation of this Agreement.

                  1.4 Interpretation of Documents. In the event of a conflict
between this Agreement and the terms of any of the Schedules, the terms of this
Agreement shall prevail.
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                          ARTICLE 2. TERM OF AGREEMENT

                  The term of this Agreement shall commence on the Distribution
Date and shall continue until 12:00 midnight (Eastern Standard Time) on December
31, 2002 (the "Term"), unless earlier terminated pursuant to Article 13 hereof.

                               ARTICLE 3. SERVICES

                  Service Provider shall provide to Recipient, and Recipient
shall purchase from Service Provider, the Data Processing Services described in
Schedule A. The Data Processing Services shall be of substantially the same type
and shall be provided with substantially the same degree of care and diligence
as such services had been provided to Recipient during the period prior to the
Distribution Date. The Data Processing Services shall be provided at the levels
of service set forth in Schedule A. Recipient shall house the Recipient Software
and Recipient Hardware at the Data Center during the Term.

                        ARTICLE 4. RECIPIENT OBLIGATIONS

                  4.1 Recipient Software and Recipient Hardware. With respect to
the Recipient Software and Recipient Hardware, Recipient shall maintain the
Recipient Software and Recipient Hardware and operational features at the same
level that was provided immediately prior to the Distribution Date, and shall
receive maintenance services from those third party service providers that
provided maintenance services to Recipient immediately prior to the Distribution
Date.

                  4.2 Generally. Recipient shall:

                  (1) comply with any reasonable instructions provided by
Service Provider that are necessary for Service Provider to adequately provide
the Data Processing Services;

                  (2) comply with all standards and procedures applicable to the
Data Center;

                  (3) promptly report any operational or system problem to
Service Provider;

                  (4) maintain a business recovery plan detailing the
requirements of Recipient in the event of the occurrence of a disaster affecting
the Data Processing Services and periodically test such plan.

                  4.3 Associated Equipment. Recipient shall maintain and be
responsible for all costs (including personnel, maintenance and repair)
associated with communications equipment (including terminals, communications
hardware, modems and telephone lines) necessary to provide the Data Processing
Services or to transmit the Recipient Data for processing at the Data Center.

                  4.4 Security. Recipient shall ensure that user accounts shall
only be used by the person for whom such account was created or other authorized
personnel. Recipient shall promptly inform Service Provider of any individual
who is no longer authorized to use the Data Processing Services.
<PAGE>   5
                          ARTICLE 5. PROPRIETARY RIGHTS

                  Recipient shall grant a non-exclusive, nontransferable,
royalty-free right for Service Provider, solely in connection with providing the
Data Processing Services, to have access to and operate the Recipient Software
and the Recipient Hardware to allow Service Provider to perform the Data
Processing Services. Recipient represents and warrants that it has obtained or
will obtain all consents or approvals necessary in connection with Service
Provider's use of the Recipient Software and Recipient Hardware.

                                 ARTICLE 6. DATA

                  6.1 Form of Data. All data submitted by Recipient to Service
Provider in connection with the Data Processing Services shall be in the form
substantially similar to that submitted before the Distribution Date, unless
otherwise agreed to in writing by the parties.

                  6.2 Ownership of Data. The Recipient Data is and shall remain
the property of Recipient or its customers.

                  6.3 Ownership of Media. All media upon which Recipient Data is
stored is and shall remain the property of Recipient. In the event additional
media is needed, it shall be obtained by Recipient, and be the property of
Recipient or its lessor.

                                 ARTICLE 7. FEES

                  7.1 Fees. Recipient shall pay to Service Provider the fees set
forth in Schedule B in respect of each of the Data Processing Services.

                  7.2 Time of Payment. The Fees shall be paid by Recipient
monthly in arrears on or before the first business day immediately following the
end of each whole or partial calendar month of the Term.

                  7.3 Additional Data Processing Services. In the event that
Recipient believes that its use of a Data Processing Service will increase above
that set forth in Schedule A for such Data Processing Service, then Recipient
shall notify Service Provider of the need for such an increase. Service Provider
shall then determine whether any additional Fees will be charged for such
additional Data Processing Service. In the event that the parties agree that
such additional Data Processing Service shall be provided, then, in the event
that additional hardware or software is required, (1) Recipient shall acquire,
and provide to Service Provider, such additional hardware or software (and the
right for Service Provider to use same to provide the Data Processing Services)
and Recipient shall pay to the supplier or third party lessor or licensor, as
may be applicable, the purchase or lease fees in respect of such additional
hardware or software and (2) Service Provider shall implement the agreed-upon
increase to the Fees.

                  7.4 Taxes. Recipient shall pay any value-added tax and any
tariff, duty, export or import fee, sales tax, use tax, service tax or other tax
or charge subsequently imposed by any government or government agency on
Recipient or Service Provider with respect to the Data Processing Services or
the execution or performance of this Agreement.
<PAGE>   6
                  7.5 Late Payments. Any undisputed fees or payments owing to
Service Provider pursuant to this Agreement that are not paid when due (other
than as a result of a delay directly caused by Service Provider or its
affiliates) shall bear interest at the rate of one and one-half (1 1/2) percent
per month, but in no event to exceed the highest lawful rate of interest,
calculated from the date such amount was due until the date payment is received
by Service Provider.

                           ARTICLE 8. CONFIDENTIALITY

                  Each of the Parties shall not use or permit the use of
(without the prior consent of the other) and shall keep, and shall cause its
consultants and advisors to keep, confidential all information concerning the
other Party in its possession, its custody or under its control (except to the
extent that (1) such information has been in the public domain through no fault
of such Party or (2) such information has been later lawfully acquired from
other sources by such Party or (3) this Agreement or any other agreement entered
into pursuant to this Agreement permits the use or disclosure of such
information) to the extent such information (a) relates to the period up to the
Distribution Date or (b) is obtained in the course of providing or receiving the
Data Processing Services pursuant to this Agreement, and each Party shall not
(without the prior consent of the other) otherwise release or disclose such
information to any other person, except such Party's auditors and attorneys,
unless compelled to disclose such information by judicial or administrative
process or unless such disclosure is required by law and such Party has used
commercially reasonable efforts to consult with the other Party prior to such
disclosure.

                              ARTICLE 9. INDEMNITY

                  Recipient shall indemnify and hold harmless Service Provider
in respect of all claims, costs, expenses, damages and liabilities (including
reasonable attorneys' fees) arising from any claim by a third party licensor
that (a) the Recipient Software or Recipient Hardware infringes such third
party's proprietary rights or otherwise for a breach of Section 5.1 and (b) the
Service Provider does not have the right to use the Recipient Software or
Recipient Hardware as contemplated by this Agreement.

               ARTICLE 10. DISCLAIMER AND LIMITATION OF LIABILITY

                  10.1 DISCLAIMER. EXCEPT AS EXPRESSLY SET FORTH HEREIN, SERVICE
PROVIDER MAKES NO REPRESENTATIONS OR WARRANTIES IN RESPECT OF THE DATA
PROCESSING SERVICES AND THE RECIPIENT SOFTWARE, EXPRESS OR IMPLIED, INCLUDING
THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

                  10.2 Limitation of Liability. Neither of the parties shall be
liable to the other (or any claiming under or through the other) for any
indirect, special, incidental or consequential damages, including lost profits
or savings, whether or not such damages are foreseeable, or for any third party
claims relating to the Data Processing Services or a Party's performance under
this Agreement regardless of the form of action (including negligence). Except
as may arise as a result of a Party's gross negligence or willful misconduct,
and as set forth in Section 10 above, each Party's
<PAGE>   7
liability for direct damages arising in connection with its performance or
failure to perform under this Agreement shall in no event exceed three (3)
months' Fees hereunder.

                  10.3 Acknowledgement. Recipient acknowledges that Recipient
has licensed, purchased or selected the Recipient Software and the Recipient
Hardware upon which such software is installed to be used by Service Provider in
the provision of the Data Processing Services and has directed Service Provider
to use same. Service Provider shall have no obligation to determine whether or
not the Recipient Software and the Recipient Hardware upon which such software
is installed is adequate for Recipient's purposes.

                  10.4 Relief From Obligations. Service Provider shall be
relieved of its obligations under this Agreement to the extent that its ability
to perform is limited, hindered or disrupted by the acts or omissions of
Recipient, including Recipient's failure to perform its obligations under this
Agreement in a prompt and timely manner.

                         ARTICLE 11. DISPUTE RESOLUTION

                  11.1 Procedure. Any disputes arising out of or in connection
with this Agreement shall be settled in accordance with the dispute resolution
mechanisms set forth in Article VI and Section 8.17 of the Distribution
Agreement.

                  11.2 Continuity of Services and Performance. Unless otherwise
agreed in writing, the Parties shall continue to provide the Data Processing
Services and honor all other commitments under this Agreement during the course
of dispute resolution pursuant to the provisions of this Article 11 with respect
to all matters not subject to such dispute, controversy or claim.

                   ARTICLE 12. CONTINUED PROVISION OF SERVICES

                  12.1 Force Majeure. Service Provider shall not be in default
of its obligations hereunder for any delays or failure in performance resulting
from any cause or circumstance beyond the reasonable control of Service
Provider, provided that Service Provider exercises commercially reasonable
efforts to perform its obligations in a timely manner. If any such occurrence
prevents Service Provider from providing any of the Data Processing Services,
Service Provider shall cooperate with Recipient in obtaining, at Recipient's
sole expense, an alternative source for the affected Data Processing Services,
and Recipient shall be released from any payment obligation to Service Provider
in respect of such Data Processing Services during the period of such force
majeure.

                  12.2 Disaster Recovery. Recipient shall maintain a disaster
recovery coverage plan, including coverage for the Data Processing Services.
Upon the occurrence of a disaster affecting the Data Processing Services,
Service Provider shall assist Recipient in the implementation of the disaster
recovery procedures and Recipient shall be responsible for all fees incurred by
Service Provider in connection with implementing such procedures. Recipient
shall provide Service Provider with a copy of the plan at the beginning of each
contract year and promptly after each change thereto.
<PAGE>   8
                             ARTICLE 13. TERMINATION

                  13.1 For Convenience. Recipient may terminate this Agreement
at any time after April 1, 2002 upon one hundred eighty (180) days' notice to
Service Provider, which notice may be given at any time on or after October 1,
2001.

                  13.2 Other. (a) New D&B may terminate this Agreement as set
forth in Section 15.16 hereof.

                  (b) The Corporation may terminate this Agreement as set forth
in Section 15.17 hereof.

                   ARTICLE 14. TERMINATION ASSISTANCE SERVICES

                  Upon the expiration of this Agreement or the effective date of
termination of this Agreement, Service Provider shall have no further obligation
to provide the Data Processing Services to Recipient and for a period of up to
(a) sixty (60) days prior to the expiration or the effective date of termination
of this Agreement and (b) thirty (30) days following the expiration or the
effective date of termination of this Agreement, Service Provider shall use
reasonable efforts to cooperate, at Recipient's expense, with (i) the
Alternative Provider or (ii) Recipient, in connection with the transfer of the
Data Processing Services, the Recipient Data, the Recipient Software and the
Recipient Hardware, from Service Provider to the facilities of (x) the
Alternative Provider or (y) Recipient, as requested by Recipient.

                      ARTICLE 15. MISCELLANEOUS PROVISIONS

                  15.1 No Waivers. No failure on the part of either Party to
exercise and no delay in exercising any right or remedy hereunder shall operate
as a waiver thereof nor shall any single or partial exercise by a Party of any
right or remedy hereunder preclude any other right or remedy or further exercise
thereof or the exercise of any other right.

                  15.2 Consents, Approvals and Requests. Unless otherwise
specified in this Agreement, all consents and approvals, acceptances or similar
actions to be given by either Party under this Agreement shall not be
unreasonably withheld or delayed and each Party shall make only reasonable
requests under this Agreement.

                  15.3 Partial Invalidity. In the event any of the provisions of
this Agreement shall be invalid, illegal or unenforceable in any respect, the
validity, legality or enforceability of the remaining provisions of this
Agreement shall not be affected or impaired.

                  15.4 Notices. All notices, designations, approvals, consents,
requests, acceptances, rejections or other communications required or permitted
by this Agreement shall be in writing and shall be sent via telecopy to the
telecopy number specified below. A copy of any such notice shall also be sent by
registered express air mail on the date such notice is transmitted by telecopy
to the address specified below:

                  If to New D&B or the Service Provider:
<PAGE>   9
                           The Dun & Bradstreet Corporation
                           One Diamond Hill Road
                           Murray Hill, New Jersey 07974
                           Telecopy No.:  (908) 665-1409
                           Attention:  Chief Legal Counsel

                  If to the Corporation or the Recipient:

                           Moody's Investors Service, Inc.
                           99 Church Street
                           New York, NY  10007
                           Telecopy No.:  (212) 553-0084
                           Attention:  Chief Legal Counsel

Any Party may at any time, by notice to the other Party transmitted or sent in
the manner described above, change the address or telecopy number to which
communications to it are to be sent.

                  15.5 Relationship. The performance by Service Provider of its
duties and obligations under this Agreement shall be that of an independent
contractor and nothing herein contained shall create or imply an agency
relationship between the Parties, nor shall this Agreement be deemed to
constitute a joint venture or partnership between the Parties.

                  15.6 GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF NEW YORK APPLICABLE TO CONTRACTS MADE
AND TO BE PERFORMED IN THE STATE OF NEW YORK.

                  15.7 Covenant of Further Assurances. The Parties covenant and
agree that, subsequent to the execution and delivery of this Agreement and
without any additional consideration, each of the Parties will execute and
deliver any further legal instruments and perform any acts which are or may
become reasonably necessary to effectuate this Agreement.

                  15.8 Assignment. This Agreement may not be assigned by either
Party, other than to an affiliate of such Party or pursuant to a corporate
reorganization or merger, without the consent of the other Party. Any assignment
in contravention of this Section 15.8 shall be void.

                  15.9 Entire Understanding. This Agreement represents the
entire understanding of the Parties with respect to the Data Processing Services
and supersedes all previous writings, correspondence and memoranda with respect
thereto, and no representations, warranties, agreements or covenants, express or
implied, of any kind or character whatsoever with respect to such subject matter
have been made by either Party to the other, except as expressly set forth
herein.

                  15.10 Successors. Subject to the restrictions on assignment
set forth in Section 16.8, this Agreement shall be binding upon and inure to the
benefit of an be enforceable against the Parties hereto and their respective
successors and assigns.

                  15.11 Amendments. This Agreement can be modified or amended
only by a written amendment executed by both Parties.
<PAGE>   10
                  15.12 Survival. The provisions of Article 5, Article 8,
Article 9, Article 10, Article 11, Article 14, Section 6.2, Section 6.3, Section
13.2, Section 15.6, this Section 15.12 and Section 15.15 shall survive
termination of this Agreement.

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

                  15.14 Third Party Beneficiaries. Each Party intends that this
Agreement shall not benefit or create any right or cause of action in or on
behalf of any person or entity other than Recipient and Service Provider.

                  15.15 Good Faith and Fair Dealing. Each Party hereby agrees
that its performance of all obligations and exercise of all rights under this
Agreement shall be governed by the fundamental principles of good faith and fair
dealing.

                  15.16 Subcontractors and Outsourcing. Except as set forth
herein, Service Provider shall have the right to subcontract or outsource any of
its obligations hereunder, provided that the Corporation consents to such
subcontracting or outsourcing, which consent shall not be unreasonably withheld.
The Corporation shall respond to any such request by Service Provider within
thirty (30) days of receipt of such request. In the event that the Corporation
does not consent to such request, then New D&B shall have the right to terminate
this Agreement on one hundred fifty (150) days' written notice; provided that in
no event shall such termination be effective prior to June 30, 2001.
Corporation's failure to respond to such request within the time period set
forth above shall be deemed to indicate Corporation's consent to such request.

                  15.17 Relocation of Data Center. In the event that Service
Provider desires to relocate the Data Center from its current location at 100
Locust Avenue, Berkeley Heights, New Jersey, Service Provider shall give written
notice thereof to Corporation. The Corporation shall have the right to terminate
this Agreement on one hundred fifty (150) days' written notice given within
thirty (30) days of receipt of the aforementioned notice from D&B.
<PAGE>   11
                  IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be executed by their duly authorized officers as of the day and
year first above written.

                                       THE DUN & BRADSTREET CORPORATION

                                       By:  /s/ David J. Lewinter
                                            Name: David J. Lewinter
                                            Title:  Vice President and Corporate
                                                    Secretary

                                       THE NEW D&B CORPORATION

                                       By:  /s/ David J. Lewinter
                                            Name: David J. Lewinter
                                            Title:  President and Secretary<PAGE>   1
                                                                    EXHIBIT 10.7

                          TRANSITION SERVICES AGREEMENT

                                     between

                        THE DUN & BRADSTREET CORPORATION

                                       and

                             THE NEW D&B CORPORATION

                         Dated as of September 30, 2000
<PAGE>   2
                                TABLE OF CONTENTS

                                                                            Page
                                                                            ----

                                    ARTICLE I

                                SERVICES PROVIDED.........................     1
1.1    Transition Services................................................     1
1.2    Personnel..........................................................     1
1.3    Representatives....................................................     1
1.4    Level of Transition Services.......................................     2
1.5    Limitation of Liability............................................     2
1.6    Force Majeure......................................................     3
1.7    Modification of Procedures.........................................     3
1.8    Provider Access....................................................     3

                                   ARTICLE II

                                  COMPENSATION............................     4
2.1    Consideration......................................................     4
2.2    Invoices...........................................................     4
2.3    Payment of Invoices................................................     4
2.4    Late Payment.......................................................     4

                                   ARTICLE III

                                 CONFIDENTIALITY..........................     4
3.1    Obligation.........................................................     4
3.2    Care and Inadvertent Disclosure....................................     5

                                   ARTICLE IV

                             TERM AND TERMINATION.........................     5
4.1    Term...............................................................     5
4.2    Termination........................................................     5
4.3    Termination of Obligations.........................................     5
4.4    Survival of Certain Obligations....................................     6

                                    ARTICLE V

                               DISPUTE RESOLUTION.........................     6
5.1    Dispute Resolution.................................................     6

                                       -i-
<PAGE>   3
                                                                            Page
                                                                            ----

                                   ARTICLE VI

                                 MISCELLANEOUS............................     6
6.1    Complete Agreement; Construction...................................     6
6.2    Other Ancillary Agreements.........................................     6
6.3    Counterparts.......................................................     6
6.4    Survival of Agreements.............................................     6
6.5    Notices............................................................     7
6.6    Waivers............................................................     7
6.7    Amendments.........................................................     7
6.8    Assignment.........................................................     7
6.9    Successors and Assigns.............................................     7
6.10   Subsidiaries.......................................................     7
6.11   Third Party Beneficiaries..........................................     7
6.12   Title and Headings.................................................     8
6.13   Appendices.........................................................     8
6.14   GOVERNING LAW......................................................     8
6.15   Consent to Jurisdiction............................................     8
6.16   Severability.......................................................     8
6.17   Laws and Government Regulations....................................     8
6.18   Relationship of Parties............................................     9
6.19   Subcontractors and Outsourcing.....................................     9
6.20   Definitions........................................................     9

                                      -ii-
<PAGE>   4
                          TRANSITION SERVICES AGREEMENT

                  TRANSITION SERVICES AGREEMENT dated as of September 30, 2000,
between THE DUN & BRADSTREET CORPORATION, a Delaware corporation (the
"Corporation"), and THE NEW D&B CORPORATION, a Delaware corporation ("New D&B").

                              W I T N E S S E T H :

                  WHEREAS, the Board of Directors of the Corporation has
determined that it is appropriate, desirable, and in the best interests of the
Corporation and its businesses, as well as of the holders of shares of common
stock, par value $0.01 per share, of the Corporation ("Corporation Common
Stock"), to take certain steps to reorganize Corporation's subsidiaries and
businesses and then to distribute to the holders of the Corporation Common Stock
all the outstanding shares of common stock of New D&B (the "Distribution");

                  WHEREAS, the Corporation and New D&B have entered into a
Distribution Agreement and certain Ancillary Agreements, each dated as of the
date hereof, pursuant to which, among other matters, New D&B has agreed to
provide, or cause one or more of its Subsidiaries to provide, to the Corporation
certain transitional, administrative and support services on the terms set forth
in this Agreement and the Appendices hereto.

                  NOW, THEREFORE, subject to the terms, conditions, covenants
and provisions of this Agreement, each of the Corporation and New D&B mutually
covenant and agree as follows:

                                    ARTICLE I

                                SERVICES PROVIDED

                  1.1 Transition Services. Upon the terms and subject to the
conditions set forth in this Agreement, with respect to each of those services
set forth in an Appendix hereto, each of which Appendices is made a part of this
Agreement, New D&B will provide to the Corporation the services indicated in
such Appendix (hereinafter referred to individually as a "Transition Service",
and collectively as the "Transition Services") during the time period for each
such Transition Service set forth in such Appendix (hereinafter referred to as
the "Time Periods" for all of the Transition Services, and the "Time Period" for
each Transition Service).

                  1.2 Personnel. In providing the Transition Services, New D&B
as it deems necessary or appropriate in its sole discretion, may (i) use its
personnel and that of its Affiliates, and (ii) employ the services of third
parties to the extent such third party services are routinely utilized to
provide similar services to other businesses of New D&B or are reasonably
necessary for the efficient performance of any of such Transition Services. The
Corporation may retain at its own expense its own consultants and other
professional advisers.
<PAGE>   5
                                                                               2

                  1.3 Representatives. Each of the Corporation and New D&B shall
nominate a representative to act as its primary contact person for the provision
of all of the Transition Services (collectively, the "Primary Coordinators").
The initial Primary Coordinators shall be Debra Perry for the Corporation and
Chester Geveda, Jr. for New D&B. The initial coordinators for each specific
Transition Service shall be the individuals named in the Appendix relating to
such Transition Service (the "Service Coordinators"). Each party may treat an
act of a Primary Coordinator or Service Coordinator of another party as being
authorized by such other party without inquiring behind such act or ascertaining
whether such Primary Coordinator or Service Coordinator had authority to so act.
New D&B and the Corporation shall advise each other in writing of any change in
the Primary Coordinators and any Service Coordinator for such Transition
Service, setting forth the name of the Primary Coordinator or Service
Coordinator to be replaced and the name of the replacement, and certifying that
the replacement Primary Coordinator or Service Coordinator is authorized to act
for such party in all matters relating to this Agreement. Each of the
Corporation and New D&B agree that all communications relating to the provision
of the Transition Services shall be directed to the Primary Coordinators.

                  1.4 Level of Transition Services. (a) New D&B shall perform
the Transition Services for which it is responsible hereunder following commonly
accepted standards of care in the industry and exercising the same degree of
care as it exercises in performing the same or similar services for its own
account as of the date of this Agreement, with priority equal to that provided
to its own businesses or those of any of its Affiliates, Subsidiaries or
divisions. Nothing in this Agreement shall require New D&B to favor the
businesses of the Corporation over its own businesses or those of any of its
Affiliates, Subsidiaries or divisions.

                  (b) New D&B shall not be required to provide the Corporation
with extraordinary levels of Transition Services, special studies, training, or
the like or the advantage of systems, equipment, facilities, training, or
improvements procured, obtained or made after the Distribution Date by New D&B.

                  (c) In addition to being subject to the terms and conditions
of this Agreement for the provision of the Transition Services, the Corporation
agrees that the Transition Services provided by third parties shall be subject
to the terms and conditions of any agreements between New D&B and such third
parties. New D&B shall consult with the Corporation concerning the terms and
conditions of any such agreements to be entered into, or proposed to be entered
into, with third parties after the date hereof but the Corporation shall have no
right to require New D&B to reject or amend any of such terms and conditions.

                  1.5 Limitation of Liability. In the absence of gross
negligence or willful misconduct on the part of New D&B, and whether or not New
D&B is negligent, New D&B shall not be liable for any claims, liabilities,
damages, losses, costs, expenses (including, but not limited to, settlements,
judgments, court costs and reasonable attorneys' fees), fines and penalties,
arising out of any actual or alleged injury, loss or damage of any nature
whatsoever in providing or failing to provide Transition Services for which it
is responsible hereunder to the Corporation. Notwithstanding anything to the
contrary contained herein, in the event New D&B commits an error with respect to
or incorrectly performs or fails to perform any Transition Service, at the
Corporation's
<PAGE>   6
                                                                               3

request, New D&B shall use reasonable efforts and good faith to correct such
error, re-perform or perform such Transition Service at no additional cost to
the Corporation; provided, that New D&B shall have no obligation to recreate any
lost or destroyed data to the extent the same cannot be cured by the
re-performance of the Transition Service in question.

                  1.6 Force Majeure. Any failure or omission by a party in the
performance of any obligation under this Agreement shall not be deemed a breach
of this Agreement or create any liability, if the same arises from any cause or
causes beyond the control of such party, including, but not limited to, the
following, which, for purposes of this Agreement shall be regarded as beyond the
control of each of the parties hereto: acts of God, fire, storm, flood,
earthquake, governmental regulation or direction, acts of the public enemy, war,
rebellion, insurrection, riot, invasion, strike or lockout; provided, however,
that such party shall resume the performance whenever such causes are removed.
Notwithstanding the foregoing, if such party cannot perform under this Agreement
for a period of forty-five (45) days due to such cause or causes, the affected
party may terminate the Agreement with the defaulting party by providing written
notice thereto.

                  1.7 Modification of Procedures. New D&B may make changes from
time to time in its standards and procedures for performing the Transition
Services for which it is responsible hereunder. Notwithstanding the foregoing
sentence, unless required by law, New D&B shall not implement any substantial
changes affecting the Corporation unless:

                  (a) New D&B has furnished the Corporation written notice
         (which may be the same notice New D&B shall provide its own businesses)
         thereof;

                  (b) New D&B changes such procedures for its own businesses at
         the same time; and

                  (c) New D&B gives the Corporation a reasonable period of time
         for the Corporation (i) to adapt its operations to accommodate such
         changes or (ii) to reject the proposed changes. In the event the
         Corporation fails to accept or reject a proposed change on or before a
         date specified in such notice of change, the Corporation shall be
         deemed to have accepted such change. In the event the Corporation
         rejects a proposed change but does not terminate this Agreement, the
         Corporation agrees to pay any charges resulting from New D&B's need to
         maintain different versions of the same systems, procedures,
         technologies, or services or resulting from requirements of third party
         vendors or suppliers.

                  1.8 Provider Access. To the extent reasonably required for
personnel of New D&B to perform the Transition Services hereunder, the
Corporation shall provide personnel of New D&B with access to its equipment,
office space, plants, telecommunications and computer equipment and systems, and
any other areas and equipment.
<PAGE>   7
                                                                               4

                                   ARTICLE II

                                  COMPENSATION

                  2.1 Consideration. As consideration for the Transition
Services, the Corporation shall pay to New D&B the amount specified for each
such Transition Service as set forth in the Appendix relating to such Transition
Service.

                  2.2 Invoices. After the end of each month, New D&B together
with such party's Affiliates or Subsidiaries providing Transition Services will
submit one invoice to the Corporation for all Transition Services provided to
the Corporation and its Subsidiaries by New D&B during such month. Such monthly
invoices shall be issued no later than the fifteenth day of each succeeding
month. Each invoice shall include a summary list of the previously agreed upon
Transition Service for which there are fixed dollar fees, together with
documentation supporting each of the invoiced amounts that are not covered by
the fixed fee agreements. The total amount set forth on such summary list and
such supporting detail shall equal the invoice total, and will be provided under
separate cover apart from the invoice. All invoices shall be sent to the
attention of Service Coordinator of the Corporation at the address set forth in
Section 6.5 hereof or to such other address as the Corporation shall have
specified by notice in writing to New D&B.

                  2.3 Payment of Invoices. (a) Payment of all invoices in
respect of a Transition Service shall be made by check or electronic funds
transmission in U.S. Dollars, without any offset or deduction of any nature
whatsoever, within thirty (30) days of the invoice date unless otherwise
specified in the Appendix relating to such Transition Service. All payments
shall be made to the account designated by New D&B, with written confirmation of
payment sent by facsimile to the Service Coordinator or other person designated
thereby.

                  (b) If any payment is not paid when due (other than as a
result of a delay directly caused by New D&B or its affiliates), New D&B shall
have the right, upon three days written notice, without any liability to the
Corporation, or anyone claiming by or through the Corporation, to cease
providing any or all of the Transition Services provided by New D&B to the
Corporation, which right may be exercised by New D&B in its sole and absolute
discretion.

                  2.4 Late Payments. Any payments owing to New D&B pursuant to
this Agreement that are not paid when due (other than as a result of a delay
directly caused by New D&B or its affiliates) shall bear interest at the rate of
one and one-half (1-1/2) percent per month, but in no event to exceed the
highest lawful rate of interest, calculated from the date such amount was due
until the date payment is received by New D&B.

                                   ARTICLE III

                                 CONFIDENTIALITY
<PAGE>   8
                                                                               5

                  Each of the Parties shall not use or permit the use of
(without the prior consent of the other) and shall keep, and shall cause its
consultants and advisors to keep, confidential all information concerning the
other Party in its possession, its custody or under its control (except to the
extent that (1) such information has been in the public domain through no fault
of such Party or (2) such information has been later lawfully acquired from
other sources by such Party or (3) this Agreement or any other agreement entered
into pursuant to this Agreement permits the use or disclosure of such
information) to the extent such information (a) relates to the period up to the
Distribution Date or (b) is obtained in the course of providing or receiving the
Transition Services pursuant to this Agreement, and each Party shall not
(without the prior consent of the other) otherwise release or disclose such
information to any other person, except such Party's auditors and attorneys,
unless compelled to disclose such information by judicial or administrative
process or unless such disclosure is required by law and such Party has used
commercially reasonable efforts to consult with the other Party prior to such
disclosure.

                                   ARTICLE IV

                              TERM AND TERMINATION

                  4.1 Term. This Agreement shall become effective on the
Distribution Date and shall remain in force until the expiration of the longest
Time Period specified in any Appendix hereto, including any extension thereof,
unless this Agreement is terminated under Sections 1.6, 4.2 or 6.19 prior to the
end of such Time Period.

                  4.2 Termination. If any party (hereafter called the
"Defaulting Party") shall fail to perform or default in the performance of any
of its obligations under this Agreement (other than a payment default), the
party entitled to the benefit of such performance (hereinafter referred to as a
"Non-Defaulting Party") may give written notice to the Defaulting Party
specifying the nature of such failure or default and stating that the
Non-Defaulting Party intends to terminate this Agreement with respect to the
Defaulting Party if such failure or default is not cured within fifteen days of
such written notice. If any failure or default so specified is not cured within
such fifteen day period, the Non-Defaulting Party may elect to immediately
terminate this Agreement with respect to the Defaulting Party; provided,
however, that if the failure or default relates to a dispute contested in good
faith by the Defaulting Party, the Non-Defaulting Party may not terminate this
Agreement pending the resolution of such dispute in accordance with Article V
hereof. Such termination shall be effective upon giving a written notice of
termination from the Non-Defaulting Party to the Defaulting Party and shall be
without prejudice to any other remedy which may be available to the
Non-Defaulting Party against the Defaulting Party.

                  4.3 Termination of Obligations. The Corporation specifically
agrees and acknowledges that all obligations of New D&B to provide each
Transition Service hereunder shall immediately cease upon the expiration of the
Time Period for such Transition Service, and New D&B's obligations to provide
all of the Transition Services for which New D&B is responsible hereunder shall
immediately cease upon the termination of this Agreement. Upon the cessation of
New D&B's obligation to provide any Transition Service, the Corporation shall
immediately cease using, directly or indirectly, such Transition Service
(including, without limitation, any and all
<PAGE>   9
                                                                               6

software of New D&B or third party software provided through New D&B,
telecommunications services or equipment, or computer systems or equipment).

                  4.4 Survival of Certain Obligations. Without prejudice to the
survival of the other agreements of the parties, the following obligations shall
survive the termination of this Agreement: (a) the obligations of each party
under Articles III, IV, V and VI and (b) New D&B's right to receive the
compensation for the Transition Services provided by it hereunder provided in
Section 2.1 above incurred prior to the effective date of termination.

                                    ARTICLE V

                               DISPUTE RESOLUTION

                  5.1 Dispute Resolution. Any disputes arising out of or in
connection with this Agreement shall be settled in accordance with the dispute
resolution mechanisms set forth in Article VI of the Distribution Agreement.

                                   ARTICLE VI

                                  MISCELLANEOUS

                  6.1 Complete Agreement; Construction. This Agreement,
including the Appendices hereto, shall constitute the entire agreement between
the parties with respect to the subject matter hereof and shall supersede all
previous negotiations, commitments and writings with respect to such subject
matter. In the event of any inconsistency between this Agreement and any
Appendix hereto, the Appendix shall prevail. In the event and to the extent that
there shall be a conflict between the provisions of this Agreement and the
provisions of any other Ancillary Agreement, this Agreement shall control.

                  6.2 Other Ancillary Agreements. This Agreement is not intended
to address, and should not be interpreted to address, the matters specifically
and expressly covered by the other Ancillary Agreements.

                  6.3 Counterparts. This Agreement may be executed in one or
more counterparts, all of which shall be considered one and the same agreement,
and shall become effective when one or more such counterparts have been signed
by each of the parties and delivered to the other parties.

                  6.4 Survival of Agreements. Except as otherwise contemplated
by this Agreement, all covenants and agreements of the parties contained in this
Agreement shall survive the Distribution Date.

                  6.5 Notices. All notices and other communications hereunder
shall be in writing and hand delivered or mailed by registered or certified mail
(return receipt requested) or sent by any
<PAGE>   10
                                                                               7

means of electronic message transmission with delivery confirmed (by voice or
otherwise) to the parties at the following addresses (or at such other addresses
for a party as shall be specified by like notice) and will be deemed given on
the date on which such notice is received:

                  To the Corporation:

                  Moody's Investors Service, Inc.
                  99 Church Street
                  New York, New York 10007
                  Telecopy:  (212) 553-0084
                  Attn.:  Legal Department

                  To New D&B:

                  The Dun & Bradstreet Corporation
                  One Diamond Hill Road
                  Murray Hill, New Jersey  07974
                  Telecopy:  (908) 665-5827
                  Attn.:  Chief Legal Counsel

                  6.6 Waivers. The failure of any party to require strict
performance by any other party of any provision in this Agreement will not waive
or diminish that party's right to demand strict performance thereafter of that
or any other provision hereof.

                  6.7 Amendments. This Agreement may not be modified or amended
except by an agreement in writing signed by each of the parties hereto.

                  6.8 Assignment. This Agreement may not be assigned by either
party, other than to an Affiliate of such party or pursuant to a corporate
reorganization or merger, without the consent of the other party. Any assignment
in contravention of this Section 6.8 shall be void.

                  6.9 Successors and Assigns. The provisions to this Agreement
shall be binding upon, inure to the benefit of and be enforceable by the parties
and their respective successors and permitted assigns.

                  6.10 Subsidiaries. Each of the parties hereto shall cause to
be performed, and hereby guarantees the performance of, all actions, agreements
and obligations set forth herein to be performed by any Subsidiary of such party
or by any entity that is contemplated to be a Subsidiary of such party on and
after the Distribution Date.

                  6.11 Third Party Beneficiaries. This Agreement is solely for
the benefit of the parties hereto and should not be deemed to confer upon third
parties any remedy, claim, liability, reimbursement, claim of action or other
right in excess of those existing without reference to this Agreement.
<PAGE>   11
                                                                               8

                  6.12 Title and Headings. Titles and headings to sections
herein are inserted for the convenience of reference only and are not intended
to be a part of or to affect the meaning or interpretation of this Agreement.

                  6.13 Appendices. The Appendices shall be construed with and
as an integral part of this Agreement to the same extent as if the same had been
set forth verbatim herein. In the event of any inconsistency between the terms
of any Appendix and the terms set forth in the main body of this Agreement, the
terms of the Appendix shall govern.

                  6.14 GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
CONTRACTS MADE AND TO BE PERFORMED IN THE STATE OF NEW YORK.

                  6.15 Consent to Jurisdiction. Each of the parties irrevocably
submits to the exclusive jurisdiction of (a) the Supreme Court of the State of
New York, New York County, and (b) the United States District Court for the
Southern District of New York, for the purposes of any suit, action or other
proceeding arising out of this Agreement or any transaction contemplated hereby.
Each of the parties agrees to commence any action, suit or proceeding relating
hereto either in the United States District Court for the Southern District of
New York or if such suit, action or other proceeding may not be brought in such
court for jurisdictional reasons, in the Supreme Court of the State of New York,
New York County. Each of the parties further agrees that service of any process,
summons, notice or document by U.S. registered mail to such party's respective
address set forth above shall be effective service of process for any action,
suit or proceeding in New York with respect to any matters to which it has
submitted to jurisdiction in this Section 6.15. Each of the parties irrevocably
and unconditionally waives any objection to the laying of venue of any action,
suit or proceeding arising out of this Agreement or the transactions
contemplated hereby in (i) the Supreme Court of the State of New York, New York
County, or (ii) the United States District Court for the Southern District of
New York, and hereby further irrevocably and unconditionally waives and agrees
not to plead or claim in any such court that any such action, suit or proceeding
brought in any such court has been brought in an inconvenient forum.

                  6.16 Severability. In the event any one or more of the
provisions contained in this Agreement should be held invalid, illegal or
unenforceable in any respect, the validity, legality and enforceability of the
remaining provisions contained herein and therein shall not in any way be
affected or impaired thereby. The parties shall endeavor in good-faith
negotiations to replace the invalid, illegal or unenforceable provisions with
valid provisions, the economic effect of which comes as close as possible to
that of the invalid, illegal or unenforceable provisions.

                  6.17 Laws and Government Regulations. The Corporation shall
be responsible for (i) compliance with all laws and governmental regulations
affecting its businesses and (ii) any use the Corporation may make of the
Transition Services to assist it in complying with such laws and governmental
regulations. New D&B shall not have any responsibility for the compliance by the
Corporation of such Transition Services with such laws and regulations.
<PAGE>   12
                                                                               9

                  6.18 Relationship of Parties. Nothing in this Agreement shall
be deemed or construed by the parties or any third party as creating the
relationship of principal and agent, partnership or joint venture between the
parties, it being understood and agreed that no provision contained herein, and
no act of the parties, shall be deemed to create any relationship between the
parties other than the relationship of buyer and seller of services nor be
deemed to vest any rights, interests or claims in any third parties. The parties
do not intend to waive any privileges or rights to which they may be entitled.

                  6.19 Subcontractors and Outsourcing. Except as set forth
herein, New D&B shall have the right to subcontract or outsource any of its
obligations hereunder, provided that the Corporation consents to such
subcontracting or outsourcing, which consent shall not be unreasonably withheld.
The Corporation shall respond to any such request by New D&B within thirty (30)
days of receipt of such request. In the event that the Corporation does not
consent to such request, then New D&B shall have the right to terminate this
Agreement upon one hundred fifty (150) days written notice; provided that in no
event shall such termination be effective prior to June 30, 2001. Failure by the
Corporation to respond to such request within the time period set forth above
shall be deemed to indicate the Corporation's consent to such request.

                  6.20 Definitions. Capitalized terms used herein and not
otherwise defined herein shall have the meanings assigned to such terms in the
Distribution Agreement.
<PAGE>   13
                  IN WITNESS WHEREOF, the parties hereto have caused this
Transition Services Agreement to be executed the day and year first above
written.

                                       THE DUN & BRADSTREET CORPORATION

                                       By: /s/ David J. Lewinter
                                           Name: David J. Lewinter
                                           Title: Vice President and Corporate
                                                  Secretary

                                       THE NEW D&B CORPORATION

                                       By: /s/ David J. Lewinter
                                           Name: David J. Lewinter
                                           Title:  President and Secretary

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