Document:

<PAGE>

                                                                   Exhibit 10.21

         Confidential Materials omitted and filed separately with the
         Securities and Exchange Commission pursuant to a request for
             confidential treatment.  Asterisks denote omissions.

Final Version of the Systems Operations Agreement

                         Systems Operations Agreement

This Systems Operations Agreement (this "Agreement") is entered into

between,

on the one hand, Deutsche Borse Systems AG, Borsenplatz 7 - 11, 60313 Frankfurt
am Main, Germany

                                        (hereinafter, "DBS")

and, on the other hand,

1.   Deutsche Borse Aktiengesellschaft, Borsenplatz 7 - 11, 60313 Frankfurt am
     Main, Germany

                                        (hereinafter, "DBAG")

2.   Swiss Stock Exchange, Selnaustrasse 30, 8021 Zurich, Switzerland

                                        (hereinafter, "SWX")

3.   Board of Trade of the City of Chicago, 141 West Jackson Blvd., Suite 600-A,
     Chicago, Illinois 60604, United States of America

                                        (hereinafter, "CBOT")

4.   Ceres Trading Limited Partnership, c/o Board of Trade of the City of
     Chicago, 141 West Jackson Blvd., Suite 600-A, Chicago, Illinois 60604,
     United States of America

                                        (hereinafter, "Ceres")

5.   Ceres Alliance L.L.C., c/o Board of Trade of the City of Chicago, 141 West
     Jackson Blvd., Suite 600-A, Chicago, Illinois 60604, United States of
     America

                                        (hereinafter, "Ceres Alliance")

6.   Eurex Frankfurt AG, Borsenplatz 4, 60313 Frankfurt am Main, Germany

                                        (hereinafter, "Eurex Frankfurt")

7.   Eurex Zurich AG, Selnaustrasse 30, 8021 Zurich, Switzerland

                                        (hereinafter, "Eurex Zurich")
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8.   Eurex Clearing AG, Borsenplatz 4, 60313 Frankfurt am Main, Germany

                                        (hereinafter, "Eurex Clearing")

9.   CBOT/Eurex Alliance, L.L.C., 141 West Jackson Blvd., Suite 1520, Chicago,
     Illinois 60604, United States of America

                                        (hereinafter, "LLC")

                                    Preamble

A.   DBAG and SWX originally developed and now hold Proprietary Rights in the
     Programs, known as "Eurex 2.0".  The Development Parties (DBAG, SWX, CBOT
     and Ceres) entered into a Software License Agreement dated 1 October 1999
     (the "Software License Agreement") that governs their respective rights to
     the Programs.

B.   DBAG and SWX further developed the Programs during the period up to 1
     October 1999, resulting in the Release 3.0 Modifications, which include
     versions 3.0 and 3.1 ("Eurex 3.0" and "Eurex 3.1").  The Software License
     Agreement sets forth the Development Parties' respective rights to the
     Release 3.0 Modifications.

C.   DBAG and SWX entrusted DBS with the maintenance and further development of
     the Programs under two separate Consulting and Support Agreements
     (Beratungs- und Unterstutzungsvertrage) dated 25 March 1999 (the
     "Consulting Agreements").

D.   DBAG, SWX, Eurex Zurich, Eurex Frankfurt, Eurex Deutschland, CBOT, Ceres
     and Ceres Alliance entered into an Alliance Agreement dated 1 October 1999
     (the "Alliance Agreement") in order to coordinate their efforts in
     establishing, operating and maintaining the System as a common
     technological platform.  For purposes of the Alliance Agreement, LLC will
     act, for the time being, as the "Future Development Entity" under the
     "Master Software Development Agreement" between the parties under which DBS
     will develop and maintain the Eurex Software for LLC on behalf of the
     Development Parties.

E.   Without the participation of the CBOT Group, DBS commenced development of
     version 4.0 of the Eurex Software ("Eurex 4.0") on the basis of the
     Consulting Agreements and, at the end of January 2000, DBS finalized the
     software build for Eurex 4.0, which will be the basis for the development
     of a new version of the Eurex Software ("JV Release 1.0") under the Master
     Software Development Agreement.  The Development Parties' respective rights
     to Eurex 4.0 are described in the Software License Agreement and the
     Alliance Agreement.  On 20 January 2000, DBS, Ceres and LLC entered into an
     Interim Agreement (the "Interim Agreement") covering development work on
     the Eurex Software and the implementation, operation and maintenance of
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Final Version of the Systems Operations Agreement
                                                                             -3-

     the System with regard to the CBOT Group until the Master Software
     Development Agreement and this Agreement are executed.

F.   DBAG and SWX, acting through their joint subsidiary Eurex Zurich and Eurex
     Zurich's wholly owned subsidiaries Eurex Frankfurt and Eurex Clearing
     (Eurex Zurich, Eurex Frankfurt and Eurex Clearing referred to jointly as
     the "Eurex Entities"), entered into Service Agreements
     (Dienstleistungsvertrage) with DBS on 25 March 1999 (the "Service
     Agreements") under which DBS currently operates and maintains the System
     for Eurex Zurich and for Eurex Deutschland, the German futures and options
     exchange in Frankfurt am Main (run by Eurex Frankfurt).  Eurex Deutschland,
     Borsenplatz 7 - 11, 60313 Frankfurt am Main, Germany, is a public law
     entity existing under German law.

G.   The Development Parties wish to establish JV Release 1.0 for the CBOT Group
     and Eurex 4.1 for the Eurex Exchanges as well as future versions of the
     Eurex Software as part of the common technological platform to operate the
     Exchanges as two separate derivatives markets and to operate other
     exchanges pursuant to the Alliance Agreement.  The Development Parties'
     respective rights to JV Release 1.0 and Eurex 4.1 are described elsewhere.

H.   The parties to this Agreement are executing this Agreement under which DBS
     will implement, operate and maintain the System for LLC and the Eurex
     Entities on behalf of  the Exchanges and the LLC Group, and the Master
     Software Development Agreement.

                                     (S) 1

   Definitions, Priorities in the Contractual Relationships, Cooperation and
                                    Fairness

1.1  Definitions.  Terms used in this Agreement with initial capital letters
     (other than proper nouns) have the meanings set forth in the glossary of
     defined terms attached as Schedule 1.1.

1.2  Scope.  This Agreement governs the relationship between DBS, on the one
     hand, and the LLC Group and its members, on the other hand, with regard to
     the implementation, maintenance and operation of the System.  The
     development and maintenance of the Eurex Software itself will be governed
     by the Master Software Development Agreement, and any software development
     work will be governed and takes place by the Master Software Development
     Agreement even if it has been initiated under this Agreement.  The parties
     will, however, coordinate the activities under this Agreement and the
     Master Software Development Agreement.

1.3  Order of Precedence.  The Alliance Agreement, the Software License
     Agreement, the corporate governance documents and the shareholder
     agreements between or among two or more members of the LLC Group have
     priority over the terms of this Agreement with regard to their rights and
     obligations under such agreements, and the provisions in this Agreement are
     not to be considered for purposes of interpretation of those documents and
     agreements.  The various
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     agreements among the members of each of the Eurex Group and the CBOT Group
     control the relationships of the members within each group, and the
     provisions in this Agreement are not to be considered for purposes of
     interpretation of those agreements. Nothing in this Agreement will override
     or modify the terms of, or waive any rights under, any of such other
     existing agreements between the Eurex Group and the CBOT Group. However,
     this Agreement supersedes the Interim Agreement and payments made under the
     Interim Agreement will be credited against payments due under this
     Agreement.

1.4  Suspension.  This Agreement suspends the Service Agreements and the
     Consulting Agreements with regard to the rights and obligations of DBS vis-
     a-vis each member of the Eurex Group effective on the first day of the
     calendar month in which this Agreement is signed and so long as this
     Agreement is in effect with respect to all members of the Eurex Group;
     provided, that all change requests which have not yet been completed (as
     such change requests are identified in Schedule 1.4) and all schedules
     under such Service Agreements and Consulting Agreements are hereby
     incorporated into this Agreement. DBS will provide copies of all such
     change requests to each member of the LLC Group within thirty days of
     execution of this Agreement. As soon as this Agreement terminates with
     respect to a member of the Eurex Group, the Service Agreements and the
     Consulting Agreements will, however, remain in effect with respect to such
     member of the Eurex Group and will replace this Agreement with regard to
     DBS's rights and obligations vis-a-vis such member of the Eurex Group,
     unless and until a follow-up agreement pursuant to Clause 18.3 becomes
     effective.

1.5  Cooperation.  The parties hereby agree to cooperate closely and in a fair
     manner.  The parties agree that, upon execution of this Agreement,
     questions, in particular those that may arise out of future business and
     organizational developments of the members of the LLC Group or that may be
     the result of other circumstances material to the relationship among the
     parties, may not be entirely anticipated in this Agreement from a factual
     and legal point of view and thus cannot be provided for in this Agreement.
     If any such questions arise with regard to this Agreement, then the parties
     will undertake to renegotiate the term or terms in question in order to
     reach a reasonable agreement reflecting their mutual interests.  The
     parties will use their commercially reasonable best efforts to assure the
     successful operation of the System for the operation of the Exchanges as
     separate derivatives markets with equal access to the resources provided
     for under this Agreement; such equality of access will have absolute
     priority.

1.6  Fairness.  The parties acknowledge that DBS is a wholly-owned subsidiary of
     DBAG and that DBAG and DBS are parties to a Profit and Loss Sharing
     Agreement (Ergebnisabfuehrungsvertrag). The terms and conditions of this
     Agreement including, without limitation, the DBS Catalogue of Prices, will
     be no less favorable to the members of the LLC Group than the terms and
     conditions (from DBAG's perspective) of any agreement pursuant to which DBS
     develops, maintains or operates the System or any similar system, software
     program or computer network, directly or indirectly, in part or in total,
     for DBAG including its Affiliates. DBS

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Final Version of the Systems Operations Agreement
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     represents that the prices of the DBS Catalogue of Prices correspond and
     will, when adjusted pursuant to Clause 9.2, continue to correspond to
     general, competitive market rates and will not unduly favor DBS as a
     subsidiary of DBAG.

1.7  Resource Allocation.  The parties anticipate that there will be numerous
     Change Requests submitted to DBS during the course of this Agreement which
     may place considerable demands on DBS's resources.  The Change Requests may
     also require considerable resources from the other parties.  DBS will treat
     LLC and the Eurex Entities equally, and will treat the LLC Group at least
     as favorably as any of its other customers when allocating resources to new
     Sub-Projects.  In order to enable DBS and the other parties to allocate
     resources in a timely manner, the LLC and the Eurex Entities, together with
     DBS, will review anticipated needs for a subsequent calendar year during
     the period from 1 September to 31 October of the current year, and the
     parties will review the allocations again during June of the subsequent
     year for the rest of the year.

1.8  Agreements concerning Restricted Products.  DBS will not enter into any
     separate agreements with any of the other parties to this Agreement about
     the implementation, operation or maintenance of the System involving
     another party`s Restricted Products without the agreement of such party.
     Notice of other such matters, proposals or agreements will be provided to
     the LLC for a thirty day review period, but nothing in this Agreement will
     restrict any party from moving forward from entering into such other
     agreements with DBS. Such notice shall be kept confidential by the members
     of the LLC Group.

1.9  CBOT Direction. With respect to matters regarding the part of the System
     which relates solely to the CBOT Group, the LLC will act exclusively at the
     direction of the CBOT Group's representatives in the management of the LLC,
     and the Eurex Group's representatives in the management of the LLC will not
     oppose such direction. The LLC will promptly provide to the CBOT Group any
     notices, invoices or other communication regarding the part of the System
     which relates solely to the CBOT Group.

1.10 Respective Rights and Obligations. When a reference is made in this
     Agreement to the respective rights or obligations of LLC or Eurex Entities
     (or to LLC and the Eurex Entities "as applicable" or "as the case may be"),
     it is intended that the rights or obligations of LLC relate solely to the
     part of the System for which it has engaged DBS under Clause 2.1 and that
     the rights or obligations of the Eurex Entities relate solely to the part
     of the System for which it has engaged DBS under Clause 2.1.
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Final Version of the Systems Operations Agreement
                                                                             -6-

                                     (S) 2
                        Engagement and Project Structure

2.1  Engagement.  LLC hereby engages DBS as general contractor to implement,
     operate and maintain the part of the System which relates solely to the
     CBOT Group.  The Eurex Entities hereby engage DBS as general contractor to
     operate and maintain the part of the System which relates solely to the
     Eurex Group.  For the part of the System which is shared by the CBOT Group
     and the Eurex Group, LLC engages DBS (see, Schedule 2.1).  The CBOT Group
     and the Eurex Group will not be jointly and severally liable to DBS for the
     shared portion of the System; only the LLC is liable with regard to the
     shared portion of the System.  The implementation, operation and
     maintenance of the System constitutes the "Project".  The Project can be
     divided into various "Sub-Projects" (i.e., the current Sub-Projects under
     Clause 2.2 and future Change Requests under Clause 2.5).

2.2  Sub-Projects. The main initial Sub-Projects will consist of the
     implementation, operation and maintenance of the System including Hosts,
     Network and Access Points, ancillary software- and hardware-components
     (e.g., operating systems, system management Tools) and the connection of
     these elements with the Network, all as set forth in more detail in
     Schedule 2.2 which also includes the payment schedule for those Services
     until 31 December 2000 for those Services regarding the CBOT Group, and in
     Schedule 1.4 and in Schedule 9.2b regarding the Eurex Group.

     If the CBOT Group exercises its right to terminate for convenience under
     Clause 18.2, the fixed payments in lieu of payments under (S) 649 German
     Civil Code are set forth in Schedule 2.2a.

     The scope of work for all Sub-Projects is defined in Schedules 2.2 for the
     LLC and in Schedules 1.4 and 9.2 (b) for the Eurex Entities and any Change
     Requests (see, Clause 2.5), and may be refined in appropriate document
     Deliverables once Sign-Off has been given for such Deliverables (see,
     Section 8).  The scheduling of work for each Sub-Project (e.g., milestones,
     completion dates and Performance Credits) will be set forth in the
     corresponding Schedule or Change Request.

2.3  Priority. Additional work can be identified during the course of the
     Project. The terms and conditions for all work are set forth in Schedules
     2.2, 1.4 and 9.2b). and the Change Requests. If any provision in Schedules
     2.2 and 1.4 or 9.2b expressly states that it has priority over the terms of
     this Agreement, or if any provision in a Change Request expressly
     contradicts a provision in this Agreement, the provision in the Schedule or
     the relevant Change Request will have priority over the relevant terms of
     this Agreement. If a provision in Schedules 2.2 or in 1.4 or 9.2b or a
     Change Request contradicts a provision in a Change Request, the most recent
     provision will have priority.

2.4  Deliverables, Services, Tasks. Schedules 2.2, 1.4, 9.2(b) and 10.1 and each
     Change Request must describe the specific work results ("Deliverables") to
     be produced under the Schedule or
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Final Version of the Systems Operations Agreement
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     Change Request. A Deliverable must include, if appropriate, functional and
     technical specifications ("Detailed Definition") for itself or for other
     Deliverables. Schedules and Change Requests relating to ongoing services
     ("Services") will describe the service in detail and the standards for
     determining the quality of service. Schedules and Change Requests, and
     documents prepared pursuant to Schedules and Change Requests, will assign
     specific work ("Tasks") to the parties and establish time frames in which
     the Tasks are to be completed; Tasks will also constitute Deliverables to
     the extent that the Task requires the production of a specific work product
     and not just an ongoing service. Schedules and Change Requests can also
     establish the price for the Tasks, together with a payment schedule and may
     include a schedule of resources to be devoted to the work, including the
     number of man days each party will provide, the equipment and the premises
     where the work will be carried out.

2.5  Change Request.  LLC or DBS can request a change in the scope of work or
     any other part of the Project at any time ("Change Request") with respect
     to the part of the System relating solely to the CBOT Group and the part of
     the System which is shared by the CBOT Group and the Eurex Group.  The
     Eurex Entities or DBS can request a change in the scope of work or any
     other part of the Project at any time with respect to the part of the
     System relating solely to the Eurex Group (see, Schedule 2.1).  A Change
     Request will be in writing and will follow a format which DBS and LLC or
     the Eurex Entities, respectively, will agree without undue delay. Each of
     DBS and LLC or the Eurex Entities, respectively, will provide each of the
     other of them and members of the LLC Group with a copy of all proposed and
     final Change Requests without undue delay.  A Change Request must contain
     sufficient information to enable the addressee to reasonably evaluate the
     Change Request including particularly:

     .  description of the change (including specifications, test procedures,
        date of completion etc.),

     .  reasons for the change,

     .  additional resources required to implement the change (including any
        proposed subcontractors other than Freelancers),

     .  impact on other Deliverables and Services, including Deliverables and
        Services under the Master Software Development Agreement,

     .  impact on service levels,

     .  cost impact of the change and allocation of responsibility for increased
        costs or benefits from reduced costs; if appropriate, the Change Request
        will contain either a time and materials price scheme or a fixed price
        for the additional work together with a payment schedule.
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Final Version of the Systems Operations Agreement
                                                                             -8-

     If the party submitting a Change Request cannot reasonably provide
     sufficient information under the above categories using the party's own
     resources, the submitting party can require the other party or parties to
     assist in providing the missing information without undue delay.  If a
     Change Request initiated by LLC or the Eurex Entities requires DBS to
     expend more than one man day in order to complete the information, DBS can
     charge for its work on a "time and materials" basis if DBS has informed LLC
     or the Eurex Entities, respectively, in advance that it intends to charge
     for such efforts. DBS will not charge if one man day or less is required to
     complete the information.

     A Change Request will become binding when it has been signed by both LLC
     and DBS or the Eurex Entities and DBS, respectively.  LLC and DBS or the
     Eurex Entities and DBS, respectively, will evaluate Change Requests without
     undue delay.   No party is under an obligation to perform work under a
     Change Request prior to the Change Request having been signed; the costs
     for performing any such work prior to signing will be borne by the party
     performing the work.

     LLC or the Eurex Entities, respectively, can require DBS to accept a Change
     Request if (i) the Change Request is related to their part of the System
     provided that LLC will give instructions as to the shared part of the
     System, and (ii) LLC or the Eurex Entities, respectively, have agreed to
     compensate DBS for the work under the Change Request in accordance with the
     then-applicable DBS Catalogue of Prices (see, Clause 9.2).  DBS cannot
     require LLC or the Eurex Entities, as applicable, to accept a Change
     Request.

     DBS will treat Change Requests and instructions proposed for  the CBOT
     Group no less favorably than DBS treats those submitted for the LLC or the
     Eurex Entities, respectively.

     An Operating Party can also submit a Change Request under this Clause or an
     instruction under Clause 3.2 as a Change Request.  The submission of a
     Change Request or an instruction must comply with the Change Request
     procedure, whereby the Change Request or instruction will become binding
     when it has been signed by one or more authorized officers of the Operating
     Party without the LLC Program Managers having to sign it.  Such a Change
     Request or instruction cannot be to the detriment of another party which
     does not sign the Change Request.  In the case of a Change Request or an
     instruction which is to the detriment of a party, all affected parties
     (including DBS) will use their commercially reasonable best efforts to
     achieve a work around.  The other provisions governing Change Requests and
     the pertinent provisions of this Agreement apply, mutatis mutandis.

                                     (S) 3
                          Participants in the Project

3.1  Supervision.  DBS will organize and supervise the Project and the
     performance by each party of its obligations under Schedules 2.2 for LLC
     and Schedules 1.4 and 9.2b for the Eurex Entities and the Change Requests.
     DBS will bear the overall responsibility for completion of work within
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Final Version of the Systems Operations Agreement
                                                                             -9-

     the scheduled time frames and within agreed budgets for manpower and
     expense. DBS will, therefore, be responsible for the management of the
     Project including the coordination and direction of the various
     participants' efforts.

3.2  Instructions.  The Project requires extensive cooperation by all parties.
     Subject to Clause 2.5, LLC will be responsible for ensuring and
     coordinating the contributions of the members of the LLC Group with respect
     to the part of the System relating solely to the CBOT Group and the part of
     the System which is shared by the CBOT Group and the Eurex Group.  Eurex
     Zurich will be responsible for ensuring and coordinating the contributions
     of the members of the Eurex Group with respect to the part of the System
     relating solely to the Eurex Group.

     If DBS reasonably believes that implementation of an instruction is
     contrary to other work under the Project (e.g., the implementation would
     interfere with the operation of another Exchange or clearing function) or
     would materially impair DBS's ability to perform other work under this
     Agreement or the Master Software Development Agreement, DBS will notify the
     members of the LLC Group, and DBS will not be required to implement the
     instruction until LLC has confirmed the instruction.  If the conflict only
     relates to the part of the System which relates solely to the Eurex Group
     and does not have any detrimental effect on the part of the System which
     relates solely to the CBOT Group, Eurex Zurich is responsible for
     confirming the instruction.  If a matter is referred to LLC for
     confirmation, DBS will, upon request of LLC, provide consultation on the
     matter on a time and materials basis charged to LLC.

3.3  Delays.  Reference to obligations of LLC or the Eurex Entities,
     respectively, also includes all Tasks to be performed by the respective
     members of the LLC Group.  DBS will not be responsible for delays in work
     under a Sub-Project or for budget overruns which are caused by acts or
     omissions by a member of the LLC Group.  DBS must notify LLC or Eurex
     Zurich, respectively, of the specific risk that the delay or budget overrun
     will occur, and the relevant member of the LLC Group must be given the
     opportunity to perform the relevant Task without undue delay.

3.4  Participation.  LLC and the Eurex Entities will provide the resources
     identified in Schedules 2.2  and 1.4 and 9.2b, respectively, and the
     applicable Change Requests and perform such other Tasks as may be set forth
     in Schedules 2.2, 1.4 or 9.2b, respectively, and the Change Requests.  LLC
     or the Eurex Entities, respectively, can participate in the Project, and
     LLC or the Eurex Entities respectively will provide DBS with all reasonable
     cooperation and assistance in the Project, in each case including:

     3.4.1  LLC or the Eurex Entities, respectively, will make all decisions
            reasonably requested of it by DBS in a timely manner; such decisions
            will be made at the latest within one week after receiving a written
            request from DBS for the decision; this one week period does not
            commence to run if LLC or the Eurex Entities, respectively, still
            require reasonable

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                                                                            -10-

            information from DBS before making the decision. The one week period
            will be extended by a reasonable amount of time if circumstances
            require this.

     3.4.2  LLC or the Eurex Entities, respectively, will provide in a timely
            manner all information which DBS reasonably requests.

     3.4.3  As DBS may reasonably request assistance, LLC or the Eurex Entities,
            respectively, will make employees of the applicable members of the
            LLC Group (or their Freelancers and subcontractors) available at
            locations where work on the Project is being conducted in order to
            provide such assistance in a timely manner.

     3.4.4  Each of the members of the LLC Group may assign additional employees
            of such members or Freelancers to participate in the Project for the
            purpose of acquiring know-how about the System upon submitting a
            written Change Request to DBS specifying the following information:

            -  the identity and current employment status of the personnel,

            -  where and why the personnel should participate in the Project,

            -  the duration of the participation,

            -  to the extent reasonably possible, what type of know-how the
               personnel should acquire.

            DBS can refuse to allow such personnel to participate if DBS states
            reasonable grounds in writing, such as

            -  the participation of such personnel would materially interfere in
               DBS's performance of its obligations under the Project, or

            -  the participation of such personnel would result in a material
               risk that highly sensitive DBS know-how would become available to
               potential DBS competitors.

            DBS can charge for accommodating such personnel (including
            compensation for office space and other facilities provided to such
            personnel) on a time and materials basis.

     3.4.5  LLC will provide appropriately equipped facilities designated by the
            Program Managers, particularly in the United States of America, (the
            "Facilities") for carrying out the Project within the scheduled time
            frame at the reasonable request of DBS. The appropriate
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            equipment in the Facilities does not include components of the
            System which are being provided by DBS.

     3.4.6  LLC will provide DBS and its subcontractors with access to the
            Facilities 24 hours per day on every day of the year (including
            weekends and holidays) except to the extent that security
            requirements make such access unreasonable.

     3.4.7  DBS will provide reasonable assistance (including consulting and
            access to the Development Environment and the Network) to the
            members of the LLC Group and their employees and subcontractors so
            that they can perform their Tasks and other work relating to the
            Eurex Software (including Modifications to be developed by third
            parties).

3.5  Program / Project Managers.  DBS will appoint one Program Manager.  LLC
     will appoint two Program Managers, one representing the CBOT Group and the
     other representing the Eurex Group.  The Program Managers are entitled to
     make all decisions and issue all declarations on behalf of their principals
     with regard to any aspect of the Project.  LLC's Program Managers can only
     act jointly unless specifically provided otherwise in this Agreement (e.g.,
     Clauses 3.6.3, 7.3, 8.1 and 9.1).  The Program Manager representing the
     Eurex Group shall be entitled to act alone with respect to the part of the
     System which exclusively relates to the Eurex Group.  Each party will also
     appoint substitute Program Managers who can exercise the authority of the
     Program Managers in their absence.  LLC and DBS do not have any
     responsibility for monitoring whether the other side's Program Manager(s)
     have actually complied with the internal approval procedures.  One side's
     Program Manager(s) can delegate authority for a specific matter or for
     categories of matters to another person by informing the other side's
     Program Manager(s) in writing; the delegation of authority can only be
     cancelled by written notification to the other Program Managers.

     Each party will appoint a "Project Manager" and, if appropriate, a
     substitute for each Sub-Project.  The Program Managers and their
     substitutes can also act as Project Managers.  A person can be appointed as
     a Project Manager for more than one Sub-Project.  The Project Managers
     coordinate the daily work on the corresponding Project, but the Project
     Managers are not authorized to issue legally binding declarations on behalf
     of their principals.  The names of the current Program Managers, their
     substitutes and the Project Managers and their substitutes, if any, are set
     forth in Schedule 3.5.

3.6  Steering Committee.  As soon as practicable after the execution date of
     this Agreement, the parties will establish a "Steering Committee" which is
     at the same time "Steering Committee" of the Master Software Development
     Agreement and which will have the following functions:

     .    monitor the progress of the Project and each Sub-Project and the
          coordination with activities under this Agreement and the Master
          Software Development Agreement,
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     .    review the timetables, work plans and staffing for each Sub-Project,

     .    review the scope of work in each Sub-Project,

     .    review Change Requests,

     .    review Project Problems.

     The Steering Committee will be structured as follows:

     3.6.1  The Program Managers will be members of the Steering Committee. The
            Steering Committee will also include such other individuals as DBS
            and LLC may appoint in their own reasonable discretion so long as
            the total number of members does not exceed 9; at least one third of
            the members in the Steering Committee will be appointed by DBS. LLC
            will appoint the other members. The parties anticipate that the
            composition of the Steering Committee will be virtually identical
            with the composition of the Steering Committee under the Master
            Software Development Agreement, although this is not required.

     3.6.2  The composition of the Steering Committee on the execution date of
            this Agreement is set forth in Schedule 3.6.2. Each party may change
            its representatives in the Steering Committee upon two week's
            written notice to the other party; provided, however, that the
            Program Managers will always be members of the Steering Committee.

     3.6.3  The Steering Committee will meet (including by telephone or video
            conference) whenever a meeting is called by a Program Manager.
            Otherwise, the Steering Committee is completely free in how it
            organizes its activities.

     3.6.4  The Steering Committee is only intended to promote the flow of
            information between the parties. Thus, no issues will be decided by
            a vote and the Steering Committee will not have any authority to
            issue legally binding declarations on behalf of any of the parties.
            Each party remains free to make its own decisions on issues arising
            under the Project.

3.7  Escalation Committee.  The parties will establish an "Escalation Committee"
     which will consist of CBOT's Chairman and Chief Executive Officer, the
     Chief Executive Officer of DBAG's Management Board (Vorsitzender des
     Vorstands), the Chairman of SWX and the Chief Executive Officer of DBS's
     Management Board.  The purpose of the Escalation Committee is to discuss
     Project Problems which are not resolved after being referred to the
     Steering Committee (see, Clause 7.4).
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3.8  Subcontractors.  Each party may engage third parties as subcontractors in
     connection with this Agreement.  DBS, on the one hand, and LLC or the Eurex
     Entities, respectively, on the other hand, must obtain the prior written
     consent of the other party prior to engaging any subcontractor other than a
     subcontractor who is a natural person (such natural person is hereby
     defined as a "Freelancer"), which consent will not be unreasonably
     withheld.  DBS or LLC or the Eurex Entities, respectively, as the case may
     be, must obtain the other's written approval prior to engaging any
     subcontractor that may use or have access to, or allowing any previously
     engaged subcontractor  to use or have access to, personal or private data
     of any person.  Each party will be liable for the performance of its
     subcontractors under (S) 278 German Civil Code.  Each party must especially
     make sure that its subcontractors comply with all provisions of the
     Agreement relating to confidentiality and intellectual property rights
     (e.g., Sections 13, 14 and 15), and each party must require each of its
     subcontractors to execute appropriate non-disclosure agreements consistent
     with the requirements of Section 15.  DBS will use commercially reasonable
     efforts when hiring subcontractors to use local resources.  DBS will also
     use commercially reasonable efforts to include provisions in contracts with
     subcontractors which will permit DBS to assign the subcontracts to the
     applicable members of the LLC Group or third parties who provide services
     to them after termination of this Agreement.

                                     (S) 4
                        Legal and Regulatory Environment

4.1  Compliance.  DBS will implement, operate and maintain the System so that it
     complies with legal and regulatory requirements (including the technical
     basis for each of the Exchanges to comply with the IOSCO Principles for the
     Oversight of Screen Based Trading Systems for Derivatives Products to the
     extent that specific IOSCO Principles relate to functionality included in
     the System) for the operation of the Exchanges in effect on the execution
     date of this Agreement.  LLC is responsible for informing DBS about these
     requirements and their impact on the System.

4.2  Other Standards.  LLC and Eurex Entities, respectively, can require that
     the Project will comply with other standards at any time during the Project
     by initiating the Change Request procedure.

4.3  Monitoring. Each Operating Party will monitor all changes in the legal and
     regulatory requirements and standards set forth in the preceding Clauses
     4.1 and 4.2 for its respective Exchange. Each Operating Party will inform
     DBS without undue delay about any changes needed in the System in order to
     comply with changes in such requirements and standards, and DBS will
     implement such changes without undue delay. The relevant Operating Parties
     will bear the costs of any changes in the Project resulting from changes in
     the applicable legal and regulatory requirements and the standards
     designated by an Operating Party that occur after the execution date of
     this Agreement.
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4.4  Regulatory Audits.  DBS will grant reasonable access to its facilities,
     records and personnel to regulatory authorities for the purpose of auditing
     the Exchanges.

                                     (S) 5
                  Tools and Production Environment, Equipment

5.1  Tools.  DBS will use various tools and methodology ("Tools") during the
     Project.  DBS may modify the Tools or add and delete individual Tools in
     its free discretion at any time; provided, however, that no modification,
     addition or deletion will relieve DBS from any of its obligations hereunder
     or adversely affect the performance of the System.  DBS represents that the
     use, operation and maintenance of any Deliverable which it supplies will
     not require the use of any Tool except to the extent expressly set forth in
     the respective Detailed Definitions.  DBS will obtain the prior written
     consent of LLC or the Eurex Entities prior to using any material Tool in
     the Project such as third party Tools or Tools which are commercialized by
     DBS ("Material Tool").

5.2  Use.  DBS grants to the Ownership Parties a perpetual, irrevocable, world-
     wide, non-exclusive license (with the right to sublicense in connection
     with a sublicense of any part of the System) to use Tools which are
     reasonably necessary for the development (other than software-development),
     implementation, maintenance or use of the System even after termination of
     this Agreement.  This license includes the right to sublicense for the
     purpose of implementing, operating and maintaining the System.  The license
     for currently used Tools  is royalty-free.  Compensation for future Tools
     can be agreed.  If DBS creates a Tool outside of the scope of this
     Agreement after this Agreement is signed, the use of such a Tool and the
     compensation for the license to the Tool (based on a reasonable
     contribution to the costs DBS incurs in developing the Tool) must be set
     forth in the corresponding Change Request.  The Ownership Parties have the
     right to approve the proposed use of any Tool by executing such Change
     Request. If use of a Tool requires the consent of a third party from whom
     DBS has obtained the Tool, at the request of any member of the LLC Group,
     DBS will use its best efforts to obtain the consent at favorable
     conditions, and the relevant member of the LLC Group will bear any
     additional costs for obtaining the right to use the Tool (e.g., additional
     license fees to the third party).

5.3  Reliance.  Each member of the LLC Group is relying on DBS's technical
     expertise to select and use Tools that are appropriate and sufficient for
     the completion of the Project.  DBS grants no other warranty with regard to
     Tools.  LLC, the Eurex Entities, their subcontractors and the other parties
     to this Agreement will be given the opportunity to examine Tools prior to
     using them and will acquire the use of Tools "as is" unless a third party
     has provided a greater warranty, in which case the warranty will be
     assigned to LLC or the Eurex Entities, respectively, or, if not assignable,
     DBS will exercise any warranty rights against the third party for the
     account of LLC.

5.4  Ownership.  DBS will acquire, at its own expense, and own the Hosts and the
     equipment installed in the Access Points.  At the request and cost of LLC
     or the relevant Operating Party, DBS will

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       grant security interests in the equipment in order to secure the rights
       of the parties to acquire the equipment or assume, as lessee, any leases
       governing such equipment upon termination of this Agreement. DBS can
       establish higher priority security interests on the equipment only for
       the purpose of obtaining customary financing in order to purchase or
       lease the equipment. DBS will use the equipment only for purposes of this
       Agreement (see also, Clause 9.2.2).

5.4.1  Annual Contract Review.  Once each year during the annual contract
       review, DBS will provide to LLC and the Operating Parties, in the form
       and with the content requested by LLC and the Operating Parties, a
       general description of the hardware and software used in connection with
       the the System, provided that such description is at least sufficient to
       enable the security interests described in Clause 5.4 to be perfected.
       LLC and the Operating Parties have the right to request additional lists
       by giving at least four weeks written notice. DBS may charge for
       preparing these additional lists on a time and materials basis.

5.5    Advice.  To the extent a member of the LLC Group purchases its own
       equipment (including hardware, software, telecommunications materials,
       and anything else relating to the System), DBS will recommend appropriate
       equipment to LLC or the Eurex Entities, respectively, based on a Change
       Request and based on information received from LLC or the Eurex Entities,
       respectively, and information developed during the course of the Project.
       DBS will make its recommendations based on its reasonable assessment of
       the Project's requirements. DBS assumes no liability, however, for any
       defect in the equipment purchased. All responsibility for purchasing the
       equipment and the risks associated with any defect in such equipment will
       be borne by the purchaser. Each member of the LLC Group is relying on
       DBS's technical expertise in recommending equipment that is appropriate
       for such member's use of the equipment in connection with the System.

5.6    Commissions.  When making a recommendation about equipment which LLC or
       one of the other parties should purchase, DBS will disclose to LLC or the
       relevant other party any commissions to which DBS might be entitled from
       a third party supplier of the equipment for having made the
       recommendation. DBS will pass the benefit of such commissions actually
       received from a supplier to the purchaser. The amount of the benefit in
       EURO will be calculated without interest and, if applicable converted to
       EURO, at the reference exchange rate of the foreign currency, quoted by
       the European Central Bank, in which the commission is received to EURO on
       the first business day in Frankfurt/Main following receipt of the
       commission; if the European Central Bank does not set a reference
       exchange rate for the foreign currency, the applicable exchange rate will
       be the rate for the purchase of EURO quoted by the Deutsche Bank AG,
       Frankfurt am Main.
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                                     (S) 6

                                     Scope

6.1  Scope. The scope of work in the Project will be defined in Schedule 2.2 and
     the Change Requests for LLC and Schedules 1.4 and 9.2b for the Eurex
     Entities, as refined in appropriate document Deliverables once such
     Deliverables have been Signed Off (see, Section 8). Each member of the LLC
     Group is relying on DBS's technical expertise to define the scope of the
     Project and each Sub-Project based on the functionality requested by LLC or
     the Eurex Entities, as the case may be. DBS is responsible for any
     decisions it makes concerning the technology built into the System.

6.2  Alternative Solutions. The parties recognize that there may be various
     solutions to a specific aspect of the Project (including the technology
     built into the System). DBS will propose solutions which it reasonably
     believes will best meet the needs of the LLC Group while complying with the
     defined scope of work. If LLC or the Eurex Entities, respectively, reject a
     proposed solution that meets all of the requirements of this Agreement in
     favor of an alternative, DBS will inform LLC or the Eurex Entities,
     respectively, in writing within two weeks of receipt of the alternative
     proposal about any anticipated increased costs or delay and, if
     appropriate, additional resources which are required, as well as all
     anticipated problems with the solution selected by LLC or the Eurex
     Entities, respectively, such as impact on service levels. If the parties
     cannot reach agreement either at the operational level or after discussing
     the matter in the Steering Committee, LLC or the Eurex Entities,
     respectively, can insist on its alternative solution. In this event, DBS
     will be obliged to perform the work on the alternative solution once a
     corresponding Change Request, in which LLC or the Eurex Entities,
     respectively, agrees to compensate DBS for such work in accordance with the
     then-applicable DBS Catalogue of Prices (see, Clause 9.2), has been signed
     by LLC or the Eurex Entities, respectively. The obligation of DBS to
     perform work under such a Change Request is subject to the condition
     precedent that DBS has reasonable access to the additional resources set
     forth in the notice submitted to LLC or the Eurex Entities, respectively,
     under sentence 3. Notwithstanding LLC's or the Eurex Entities' insistence
     on their alternative solution, DBS remains responsible pursuant to Clause
     3.1 for the successful completion of work under this Agreement.

                                     (S) 7

                                Project Problems

7.1  Notification. LLC or the Eurex Entities, respectively, and DBS can notify
     each other at any time in writing about a "Project Problem". A Project
     Problem is (i) an alleged failure of a party to perform its obligations,
     (ii) a disagreement about whether requested work or material is within the
     scope of the Project, or (iii) any circumstance, whether or not within the
     control of the parties, which adversely affects performance under this
     Agreement within the agreed time and budget.
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7.2  Timeliness. LLC, the Eurex Entities or the applicable Operating Party,
     respectively, and DBS will inform each other about a Project Problem
     without undue delay after becoming aware of it. If documentary evidence
     clearly shows that a party was aware of a Project Problem or should have
     been aware of the Project Problem exercising a highly professional standard
     of care, and the party failed to inform the other party within two weeks of
     becoming aware or when it should have become aware, the party who raises
     the Project Problem cannot assert any claims or other rights against the
     other party resulting from the Project Problem prior to notification, but
     the party raising the Project Problem can require the other party to
     correct the Project Problem without undue delay.

7.3  Content. LLC, the Eurex Entities or the applicable Operating Party,
     respectively, and DBS must notify each other, the LLC, the CBOT Group and
     the Eurex Group of a Project Problem in a written "Problem Report" which at
     a minimum contains sufficient information (to the extent reasonably
     available to the notifying party) under the following headings to
     reasonably evaluate the Project Problem:

     .    description of the Project Problem including a designation of those
          parts of the Project affected by the Project Problem,

     .    estimated impact on timing and costs,

     .    proposal for corrective action,

     .    description of the resources needed for the corrective action,

     .    proposal for allocation of costs resulting from the Project Problem
          and the corrective measures.

     A Problem Report only needs to be signed by one Program Manager of the
     party submitting the Problem Report. If a Project Problem relates only to
     an instruction which an Operating Party has issued under Clause 3.2, the
     Operating Party itself can sign a Problem Report.

7.4  Resolution. If the Program Managers cannot resolve a Project Problem within
     two weeks after a Problem Report has been submitted, either LLC or the
     Eurex Entities, respectively, or DBS (or an Operating Party in the case of
     a Project Problem relating only to an instruction under Clause 3.2) can
     refer the Project Problem to the Steering Committee for further discussion
     and resolution; the Steering Committee cannot impose a resolution of a
     Project Problem on a party without the approval of the party's
     representative(s) in the Steering Committee. If this does not result in a
     resolution of the Project Problem within two weeks of such referral, any
     Program Manager can refer the Project Problem to the Escalation Committee
     (see, Clause 3.7 above); the Escalation Committee cannot impose a
     resolution of a Project Problem on a party without the party's consent.
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     If any Program Manager notifies the others in writing that the Project
     Problem is urgent, the two week period for referral to the Steering
     Committee or the Escalation Committee will not apply; i.e., the Project
     Problem can be referred immediately.

7.5  Continued Performance. Pending resolution of a Project Problem (including
     through arbitration) involving an allegation of improper performance on the
     part of DBS, LLC, the Eurex Entities and any other party obliged to make
     payments to DBS under a Schedule or a Change Request must continue to make
     payments on DBS's invoices equal to (i) the amounts owed for work not
     materially affected by the alleged improper performance, and (ii) 75% of
     the other invoiced amounts. DBS cannot suspend performance, pending
     resolution of a Project Problem. However, if LLC, the Eurex Entities or any
     other party fails to comply with their obligation under the first sentence
     of this Clause, DBS can suspend its performance only for the work for which
     payment has been withheld in violation of the first sentence of this
     Clause. If an Operating Party has suspended payment only under a Change
     Request agreed with regard to an instruction the Operating Party issued
     under Clause 3.2, DBS can only suspend performance of its work under that
     Change Request. For so long as DBS is an Affiliate of DBAG, the above right
     of DBS to suspend performance if payment is suspended does not exist if a
     party of the Eurex Group is the one which suspended payment. Under no
     circumstances will DBS suspend performance except as permitted under this
     Clause 7.5.

7.6  Record. If the parties resolve a Project Problem without arbitration, the
     parties will record the resolution in writing.

7.7  Unilateral Action. DBS will maintain a critical path schedule which
     reasonably defines critical components which, if delayed, will have a
     significant impact on the time for completion of any significant
     Deliverable. Schedule 2.2 contains the critical path schedule governing the
     implementation of JV Release 1.0. The parties recognize, however, that the
     schedule may not be all inclusive. In the event of an actual delay or a
     delay in complying with the critical path schedule which DBS should
     reasonably anticipate, DBS must inform LLC in reasonable detail about such
     problems and the corrective procedures (including the time needed for
     correction) without undue delay using the Project Problem report procedure.
     In an emergency situation, DBS can take unilateral action to mitigate the
     emergency and inform LLC without undue delay afterwards. This Clause
     applies mutatis mutandis to the Eurex Entities.

7.8  No Waiver. Compliance with the Project Problem procedure does not waive any
     substantive rights or remedies under this Agreement.
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                                     (S) 8

                                Quality Control

8.1  Deliverables Sign-Off. LLC or the Eurex Entities, respectively, and DBS
     will submit Deliverables to the other party for "Sign-Off" using a Sign-Off
     Form (the format of which DBS and LLC will agree without undue delay).
     Sign-Off on a Deliverable or Sub-Project does not constitute acceptance or
     part acceptance of such Deliverable or Sub-Project. The party receiving a
     Deliverable will sign and return the Sign-Off Form or a Deficiency Report
     (in a form which DBS and LLC will agree without undue delay). LLC or the
     Eurex Entities, respectively, will examine the Deliverables for any
     discrepancies between the required functionality and other characteristics
     of the Deliverable required by this Agreement and the actual functionality
     and other characteristics of the Deliverable as submitted ("Deviations").
     LLC or the Eurex Entities, respectively, are under no obligation to examine
     the technical solutions contained in the Deliverables. The Deficiency
     Report will contain a detailed description of any Deviations. A Deficiency
     Report from the LLC requires the signature of only one of the LLC's Program
     Managers; an LLC Sign-Off requires the signatures of both Program Managers
     and a Eurex Deficiency Report as well as Sign-Off requires the signature of
     the Program Manager representing the Eurex Group. The party responsible for
     the Deliverable will correct the Deviations without undue delay and
     resubmit the Deliverable. Subject to Clause 8.2, this process will be
     repeated until all Deviations have been corrected. Failure to submit the
     Sign-Off Form or a Deficiency Report within two weeks of receipt of the
     Deliverable will constitute Sign-Off.

8.2  Repeat Attempts. If DBS fails to correct a Deviation listed in a Deficiency
     Report (provided pursuant to Clause 8.1 or Clause 8.4) on the first try,
     DBS will not be entitled to charge for further work required to correct the
     Deviation. Notwithstanding the foregoing, DBS will not charge any
     additional fee for any work required to correct a Deviation in a
     Deliverable to the extent that the Development Parties are paying a fixed
     fee for such Deliverable. Should DBS fail to cure a Deviation within a
     reasonable time, the members of the LLC Group may subcontract the work to a
     third party, and DBS will return any remuneration already received for the
     Deliverable to the extent that the DBS work cannot reasonably be used. DBS
     will cooperate with the new subcontractor. The liability of DBS to make
     payments under this Clause 8.2 is limited to the amount which DBS received
     for the corresponding work.

8.3  No Deviation. If an alleged Deviation described in a Deficiency Report is
     found not to exist and if the alleged Deviation instead constitutes a
     change in the scope of the Deliverable, the party responsible for the
     Deliverable will notify the receiving party accordingly, and the receiving
     party can then initiate the Change Request procedure. If LLC or the Eurex
     Entities, as the case may be, and DBS disagree about the existence of a
     Deviation and the disagreement is not resolved by the respective Project
     Managers, either DBS or LLC or the Eurex Entities, as the case may be, can
     initiate the Problem Report procedure.
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8.4  Sub-Project Acceptance. DBS will notify LLC or the Eurex Entities,
     respectively, that a Sub-Project is ready for Acceptance after LLC or the
     Eurex Entities, respectively, have Signed Off on all of the Deliverables
     for the Sub-Project pursuant to Clause 8.1 and DBS has successfully
     completed testing, unless otherwise agreed. LLC or the Eurex Entities,
     respectively, will have the right to test (in accordance with the Test
     Procedures applicable to the Sub-Project) all of the Deliverables and the
     Sub-Project as a whole, and in combination with any other systems, software
     or hardware with which the Deliverables are intended to be used. In
     particular, LLC will have the right to test the Eurex Software as provided
     in Schedule 2.2. In accordance with Clauses 8.4.1 through 8.4.3, LLC or the
     Eurex Entities, as applicable, will either sign a Sub-Project Acceptance
     Form or a Deficiency Report.

     8.4.1  When LLC or the Eurex Entities, respectively, submit a Deficiency
            Report in connection with a Sub-Project Acceptance, in addition to
            the detailed description of any Deviation, LLC or the Eurex
            Entities, respectively, will classify the Deviation as follows:

            Class 1:    The Deviation would prevent the Sub-Project as a whole
                        from operating or would have such an impact on the
                        operation of the Sub-Project that its use in production
                        would not be commercially viable.

            Class 2:    The Deviation would have a materially detrimental impact
                        on the operation of the Sub-Project as a whole, although
                        the Sub-Project could still be used in production in a
                        commercially viable manner, if necessary with reasonable
                        work-around efforts. If a combination of Class 2 and
                        Class 3 Deviations would prevent the Sub-Project as a
                        whole from being used in a commercially viable manner,
                        the combination of Class 2 and Class 3 Deviations
                        constitutes a Class 1 Deviation.

            Class 3:    These are any other Deviations. If a combination of
                        Class 3 Deviations would prevent the Sub-Project as a
                        whole from operating or would have such an impact on the
                        operation that their use in production would not be
                        commercially viable, the combination of Class 3
                        Deviations constitutes a Class 1 Deviation. If a
                        combination of Class 3 Deviations would have a
                        materially detrimental impact on the operation of the
                        Sub-Project as a whole, although they could still be
                        used in production in a commercially viable manner, if
                        necessary with workarounds, the combination of Class 3
                        Deviations constitutes a Class 2 Deviation.

     8.4.2  If LLC or the Eurex Entities, respectively, classify a Deviation as
            a Class 1 Deviation during the Test Procedure, LLC or the Eurex
            Entities, respectively, can cancel or interrupt the Test Procedure
            and require DBS to reexamine the Sub-Project and correct the
            Deviation and any other Deviations which were already identified as
            soon as possible
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                                                                            -21-

            using its best efforts prior to resubmitting the Sub-Project for the
            Test Procedure. If LLC or the Eurex Entities, respectively, classify
            a Deviation as a Class 2 Deviation during the Test Procedure, the
            Test Procedure will continue to the extent reasonably feasible, and
            DBS will correct the Deviation and any other Deviations which were
            already identified as soon as possible using its best efforts. LLC
            or the Eurex Entities, respectively, must only accept the Sub-
            Project as a whole after conclusion of the Test Procedures when all
            Class 1 Deviations have been corrected.

     8.4.3  After conclusion of the Test Procedure, LLC or the Eurex Entities,
            respectively, are not entitled to refuse Sub-Project Acceptance due
            to Class 2 or Class 3 Deviations. However, DBS must correct the
            Class 2 and Class 3 Deviations without undue delay after they have
            been reported.

     Failure to submit the Sub-Project Acceptance Form or a Deficiency Report
     within two weeks after the Test Procedures have been concluded constitutes
     Acceptance of the Sub-Project.  Clauses 8.2 and 8.3 apply mutatis mutandis.
     Sub-Project Acceptance under this Agreement will not prejudice the rights
     of LLC under acceptance procedures pursuant to the Master Software
     Development Agreement.  If LLC or the Eurex Entities, respectively, and DBS
     disagree about the classification of a Deviation and the disagreement is
     not resolved by the respective Project Managers, either DBS or LLC or the
     Eurex Entities, respectively, can initiate the Problem Report procedures.

8.5  Services.  Services, which are not part of any Deliverable (i.e., training
     services), are not subject to the Sign-Off procedures; rather, LLC or the
     Eurex Entities, respectively, or DBS can register complaints on a
     Deficiency Report if they are dissatisfied with a Service.

     8.5.1  Complaint. During the performance of Services any deficiencies must
            be submitted in writing to the party providing the Services. If
            documentary evidence clearly shows that a party receiving the
            Service was aware of a deficiency in the Service or should have been
            aware of the deficiency in the Service exercising a highly
            professional standard of care, and that party fails to inform the
            other party within two weeks of becoming aware, the party receiving
            the Service cannot assert any claims or other rights against the
            other party resulting from the deficiency in the Service prior to
            notification, but the party receiving the Service can require the
            other party to correct the deficiency in the Service without undue
            delay. The party rendering the Service must correct the deficiency
            at its expense.

     8.5.2  Completion.  Upon completion of Services, the party providing the
            Services will inform the other party that the Services have been
            completed using the Services Completion Notice form (the format of
            which DBS and LLC or the Eurex Entities, respectively, will agree
            without undue delay). Unless the party receiving the Services
            submits a Deficiency
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                                                                            -22-

            Report within two weeks after receipt of the Completion Notice, the
            Services will be deemed to have been properly performed.

                                     (S) 9
            Project Price, Payment, Guarantee, Performance Guarantee

9.1  Project Price. Schedules 2.2, 1.4 and 9.2b and the Change Requests for each
     Sub-Project will specify the prices ("Project Prices"), reimbursable
     expense categories and payment schedules and the member(s) of the LLC Group
     who must make the corresponding payments to DBS. The members of the LLC
     Group will only reimburse DBS for those categories of expenses identified
     in the Schedule and Change Requests and only to the extent the expenses are
     reasonable and documented. LLC, at its free discretion, can notify DBS that
     DBS must obtain the approval of only one LLC Program Manager before
     incurring an LLC expense above a specified limit unless agreed otherwise in
     a Change Request. Only the Project Manager representing the Eurex Entities
     is required to give his approval with respect to expenses to be paid by the
     Eurex Entities.

9.2  Time and Materials. If this Agreement or a Schedule or a Change Request
     does not specify a Project Price or specifies that charges will be on a
     time and materials basis, DBS will charge on a time and materials basis
     according to the DBS Catalogue of Prices. The current version of the DBS
     Catalogue of Prices for the LLC is attached as Schedule 9.2a.  The current
     German version of the DBS Catalogue of Prices for the portion of the System
     used solely by the Eurex Entities is attached as Schedule 9.2b.  DBS
     represents that the prices in Schedule 9.2a are comparable to the prices
     that DBS charges the Eurex Group for the services rendered under the
     Service Agreements and will, when adjusted as provided below, continue to
     correspond to general, competitive market rates and will not unduly favor
     DBS as a subsidiary of DBAG.

     9.2.1  LLC and DBS will commence negotiations on a reasonable adjustment of
            the prices in a future Schedule 9.2 (which will apply to both the
            CBOT Group and the Eurex Group) on 1 September of each year during
            the Project. During the term of this Agreement the rates for
            personnel should only be adjusted in accordance with the changes in
            general rates for comparable personnel in the information technology
            industry in the country in which the work is performed, and in any
            case by no more than [**] in any year compared to the previous
            year's rates. The prices for leased lines, hardware and other non-
            personnel items will be adjusted up or down corresponding to market
            prices. If LLC and DBS have not agreed on new prices by 31 October,
            either of them can initiate the Project Problem procedures. The
            adjusted prices will apply for the next calendar year. However, the
            negotiations commencing on 1 September 2000 will also deal with a
            [**] adjustment of Schedule 9.2a with regard to the prices for the
            period from 1 September 2000 through 31 December 2000. The parties
            can also agree on fixed prices for Deliverables. DBS will use
            commercially reasonable efforts to perform work which is charged on
            a time and materials basis in a cost efficient manner.
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     9.2.2  The parties anticipate that DBS will be able to realize synergies
            during the course of the Project, for example, by permitting parts
            of the System to be shared by members of the LLC Group or used for
            the benefit of third parties (e.g., joint use of Access Points) or
            by designing the System or parts thereof to allow the members of the
            LLC Group to share costs. The parties will take resulting cost
            savings into account when negotiating adjustments of Schedule 9.2a
            under Clause 9.2.1.

9.3  Invoices.  DBS will send invoices concerning the part of the System which
     relates solely to the CBOT Group to the LLC and invoices concerning the
     part of the System which relates solely to the Eurex Group to the Eurex
     Entities.  Invoices concerning the part of the System which is shared by
     the CBOT Group and the Eurex Group will be apportioned by DBS between the
     LLC and the Eurex Entities according to the instruction given by the LLC.
     DBS will send invoices directly to the Operating Parties for work performed
     for such parties under Change Requests concluded with them.  Each invoice
     will also include supporting information for the specific line items which
     are charged.  LLC or the Eurex Entities, respectively, can conduct an audit
     of DBS records to the extent reasonably required to confirm the accuracy of
     the invoiced amounts (e.g., reviewing timesheets, travel expense reports).

9.4  VAT, Tax Laws.  The Project Prices are net of any Value Added Tax or
     withholding taxes.  The members of the LLC Group will pay any Value Added
     Tax or withholding taxes assessed on payments they make to DBS.  Under
     current German law and proposed tax legislation, no member of the LLC Group
     will be liable for German VAT.  If tax laws change after the execution of
     this Agreement so that any member of the LLC Group is required to pay any
     new non-refundable taxes to a tax authority on payments made to DBS under
     this Agreement, any member of the LLC Group can require the other parties
     to commence negotiations on an adjustment of this Agreement in order to
     minimize the tax detriment to the members of the LLC Group.  No party is
     under an obligation to accept an adjustment which would have a materially
     detrimental financial impact on it or one of its Affiliates.  If the
     parties do not agree on an adjustment within two months of receipt of the
     request to commence negotiations, a party for which there would be a
     materially detrimental financial impact on itself or one of its Affiliates
     can terminate this Agreement by written notice effective at the end of the
     calendar month following the month in which the notice is given.  DBS will
     not charge early termination penalties to LLC, the Eurex Entities, the
     Operating Parties or the Development Parties pursuant to Clause 18.2 or
     otherwise in this case, but DBS will charge for its efforts to wind down
     the work under this Agreement or transfer the work to one or more of the
     other parties or to a third party on a time and materials basis.

     Prior to receiving any payment which may be subject to United States
     withholding taxes from any party pursuant to this Agreement, DBS shall
     confirm in writing that such payment is not subject to withholding taxes or
     deliver to such party two original copies of Internal Revenue Service Form
     W-8ECI (or any successor forms), accurately completed and duly executed by
     DBS, together with any other certificate or statement of exemption required
     under the Internal Revenue Code or the
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     regulations issued thereunder to establish that DBS is not subject to
     deduction or withholding of United States federal income tax with respect
     to such payments. DBS hereby agrees, from time to time after the initial
     delivery by DBS of such confirmation, forms, certificates or other evidence
     whenever a lapse in time or change in circumstances renders such
     confirmation, forms, certificates or other evidence obsolete or inaccurate
     in any material respect, to deliver to the respective party a
     reconfirmation that such payment are not subject to withholding tax or two
     new original copies of Internal Revenue Service Form W-8ECI (or any
     successor forms) accurately completed and duly executed by DBS, together
     with any other certificate or statement of exemption required under the
     Internal Revenue Code or the regulations issued thereunder to confirm or to
     establish that DBS is not subject to deduction or withholding of United
     States federal income tax with respect to any such payments.
     Notwithstanding this Clause 9.4, the relevant Project Prices shall be paid
     net of any U.S. withholding tax caused by the failure of DBS to provide the
     applicable party such forms, certificates or other evidence.

9.5  Payments.  All payments are due within one month of receipt of an
     undisputed invoice and are not subject to any deductions for prompt payment
     (Skonto).  All payments will be made free of bank charges or other
     deductions to an account which DBS specifies in writing to LLC and the
     Eurex Entities.

9.6  Guarantees for Liabilities of LLC.  The Development Parties guarantee, as
     severally and not jointly liable debtors only, all of the liabilities of
     LLC to DBS under this Agreement; the responsibility of the Development
     Parties under this sentence will be allocated 50% to CBOT, 40% to DBAG and
     10% to SWX unless the Schedules and/or Change Requests provide otherwise
     or LLC informs DBS otherwise in writing prior to DBS filing a claim in
     arbitration.  CBOT guarantees all liabilities of (i) any member of the CBOT
     Group owed to DBS and (ii) LLC, where it is acting at the direction of the
     CBOT Group under Clause 1.9.  DBAG guarantees 80% and SWX guarantees 20%
     of any liability owed by a member of the Eurex Group to DBS.  These
     guarantees constitute independent guarantees (selbstschuldnerische
     Burgschaft).

                                     (S) 10
                                   Warranties

10.1 Service Levels, Exclusion of Warranties.  Except as set forth in the
     Service Levels attached as Schedule 10.1, in any Change Request and in
     Clause 10.3, all claims under warranty (Gewahrleistungsanspruche) against
     DBS for any defects in a Deliverable that arise after LLC's or the Eurex
     Entities' Acceptance of a Sub-Project or with regard to a Service under
     Schedules 2.2,  1.4 or 9.2b or a Change Request are excluded.  However, if
     DBS has a claim under warranty or for any other reason against any
     subcontractor or other third party related to any Deliverable or Service,
     DBS will inform LLC or the Eurex Entities, as applicable, about the claim
     and, at the request of LLC or the Eurex Entities, as applicable, assign the
     claim to or assert the claim for the
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     account of, or the appropriate member of the LLC Group as specified by the
     LLC or the Eurex Entities, as applicable.

10.2 Subsequent Sub-Projects.  For other Sub-Projects, LLC or the Eurex
     Entities, respectively (or the relevant Operating Party) and DBS will
     negotiate in good faith the terms and conditions of any warranties (other
     than those set forth in Clause 10.3) for the Deliverables and Services
     provided under such Sub-Project.  DBS will also be obligated to assert
     warranty claims against subcontractors and third parties as set forth in
     the last sentence of Clause 10.1.

10.3 General Warranties.  DBS represents and warrants to each member of the LLC
     Group that: (i) the Ownership Parties will be the sole and exclusive owners
     of all right, title and interest in and to, and free of all liens, claims
     or other encumbrances, all Deliverables and the Client Proprietary Rights;
     (ii) each Deliverable will be free from all viruses, worms, trojan horses,
     cancelbots and other contaminants including, without limitation, any codes
     or instructions that can be used to access, modify, delete or damage any
     data files or other computer programs used by any member of the LLC Group;
     and (iii) the Deliverables and the Client Proprietary Rights do not, and
     will not, infringe, misappropriate or otherwise violate any Proprietary
     Right of any third party (the exclusive remedies for this last warranty
     (iii) are set forth in Section 14).  These general warranties apply to
     standard third party software (e.g., standard Microsoft products) only to
     the extent that DBS has corresponding warranties from the third party.

                                     (S) 11
                            Limitation of Liability

11.1 Conduct.  DBS will be fully liable (including consequential damages) to
     each member of the LLC Group to the extent DBS's intentional misconduct or
     gross negligence causes or results in any damages or harm to such member.
     Each member of the LLC Group will be fully liable (including consequential
     damages) to DBS to the extent such member's intentional misconduct or gross
     negligence causes or results in any damages or harm to DBS; the other
     members of the LLC Group are not liable for such member's intentional
     misconduct or gross negligence.  However, if LLC itself commits intentional
     misconduct or gross negligence, the Development Parties are liable as
     several and not joint guarantors under Clause 9.6.  If DBS, on the one
     hand, or any member of the LLC Group, on the other hand, notifies the other
     that it has failed to properly perform an obligation, even if the failure
     was without fault, and the notified party fails to cure the failure within
     a reasonable period, the notified party will be liable as set forth above.

11.2 Limitation of Liability.  This Agreement (including Schedules and Change
     Requests) contains provisions on liability which apply exclusively in
     specified circumstances (e.g., Performance Credits).  To the extent that a
     specific provision does not exist and a party, as a result of negligent
     conduct (including minor negligence) other than gross negligence,
     materially breaches a
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     contractual obligation, that party will be liable for the harm suffered by
     the other parties, except for consequential damages.

     11.2.1  The total liability of each of DBS, on the one hand, and the LLC
             Group taken as a whole, on the other hand, for violations of its
             obligations under this Agreement and the Master Software
             Development Agreement is limited to [**] per calendar year. This
             limit also applies to claims arising under provisions on liability
             which apply exclusively in specific circumstances (e.g.,
             Performance Credits). This Clause 11.2.1 does not apply to claims
             under Sections 13, 14 and 16 and Clauses 10.3 and 11.1.

     11.2.2  If more than one party asserts claims against DBS in excess of this
             limit in any year, the claims will rank pari passu; if DBS has
             already paid claims up to this limit in any year, any additional
             claims can only be satisfied by an arrangement among the members of
             the LLC Group.

     11.2.3  If DBS, on the one hand, or any member of the LLC Group, on the
             other hand, violates its obligations under this Agreement and the
             Master Software Development Agreement to the extent that the other
             party would have claims against the violating party in excess of
             [**] in any calendar year but for Clause 11.2.1, the party whose
             claim is limited by Clause 11.2.1 can terminate its participation
             in this Agreement pursuant to Clause 18.1 within one month after
             notifying the other party in writing of the claim and the amount in
             excess of [**] ("Claim"). A party which receives notice of the
             Claim under this Clause 11.2.3 can cancel the effect of the notice
             of termination by paying to the terminating party the excess amount
             stated by the terminating party in its notice under the first
             sentence of this Clause 11.2.3 within one week of receiving the
             notice of termination; such payment does not prejudice the rights
             of any of the parties under the Project Problem procedures or in
             arbitration.

11.3 Recourse.  Except for claims which DBS may assert directly against the
     Development Parties as set forth in Clause 9.6, DBS can assert claims under
     this Agreement only against the relevant member of the LLC Group. Any party
     can assert claims directly against DBS in accordance with this Agreement.
     DBS hereby consents to the assignment of any claim LLC may have against DBS
     on behalf of a member of the LLC Group to such member and such member of
     the LLC Group may enforce such claim directly, in its own name and on its
     own behalf, against DBS. The preceding sentences in this Clause 11.3 do
     not, however, prevent any party from applying for preliminary injunctive
     relief directly against any other party.

11.4 Insurance.  The limits on liability in Clause 11.2 do not apply to the
     extent that a party maintains insurance policies which would provide
     coverage in excess of the limits on liability. The parties will inform each
     other about current and future insurance policies which provide coverage in
     excess of the limits in Clause 11.2. At the request of LLC or the Eurex
     Entities, respectively, DBS will have the appropriate members in the LLC
     Group named as additional beneficiaries under
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     existing insurance policies; LLC or the Eurex Entities, respectively, will
     bear any additional costs. DBS will conclude future insurance policies
     giving coverage in excess of the limits in Clause 11.2 upon receiving
     corresponding instructions from LLC or the Eurex Entities, respectively,
     and an undertaking by LLC or the Eurex Entities, respectively, or the
     Development Parties to reimburse DBS for the corresponding insurance
     premiums. LLC or the Eurex Entities, respectively, can determine the
     insurer, the beneficiaries and other aspects of the insurance policies.

                                    (S) 12
                                   Personnel

12.1 Qualifications.  DBS will only assign personnel to the Project who are
     suitably qualified for the performance of DBS's obligations under the
     Project. LLC, the Eurex Entities and the Operating Parties, respectively,
     will only assign personnel to the Project who have sufficient knowledge of
     the aspects of the relevant business, functional requirements, practices
     and areas of expertise in order to provide efficient cooperation with DBS
     in performing the work under the Change Requests.

12.2 Key Personnel.  Set forth in Schedule 12.2 is a list of each party's "Key
     Personnel". No party will remove its Key Personnel from the Project without
     obtaining the prior written consent of the other party, which consent will
     not be unreasonably withheld. If one of the Key Personnel leaves the
     employment of a party or is otherwise prevented from continuing work on the
     Project, the party will replace the Key Person without undue delay with
     another individual who is appropriately qualified upon receiving the
     consent of the other party, which consent will not be unreasonably
     withheld. For each Sub-Project outside of Schedules 2.2 and Schedules 1.4
     and 9.2b, DBS, LLC, the Eurex Entities and the Operating Parties,
     respectively, will provide a list of Key Personnel in an appropriate
     Schedule.

12.3 Transfer.  DBS and LLC or the Eurex Entities, respectively, can require at
     any time that an individual assigned to the Project be transferred to
     another part of the Project or be removed from the Project if such request
     is based on plausible reasons and not purely arbitrary. In the case of Key
     Personnel, such a demand is only permissible if the demanding party can
     provide clear and convincing evidence that the continued presence of the
     individual will endanger the successful completion of the work for which
     the individual is responsible. All demands for transfer or removal must be
     in writing and must state the reasons for the demand; in the case of Key
     Personnel the evidence must be attached to the demand. The other party must
     comply with the request within two weeks and provide a suitable replacement
     without undue delay or deliver a Problem Report to the demanding party.
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                                    (S) 13
                              Proprietary Rights

13.1 Ownership.  As between DBS, on the one hand, and the Ownership Parties, on
     the other hand, the Ownership Parties will own all rights, title and
     interest in and to all Deliverables which DBS creates under this Agreement,
     including any Tools in accordance to Clauses 5.1 and 5.2, which are
     embedded in the Deliverables, and all rights related thereto (the "Client
     Proprietary Rights"). As among the Ownership Parties, ownership of the
     Client Proprietary Rights will be determined as set forth in the Alliance
     Agreement and the Software License Agreement.

13.2 DBS Rights.  DBS will be the sole and original owner of, and will have the
     sole and exclusive title in and to: (i) the Pre-Existing Proprietary
     Rights, and (ii) any Proprietary Rights that DBS develops after the
     Effective Date that DBS can clearly establish are outside the scope of any
     work performed under this Agreement and that are not necessary for the
     operation or maintenance of the Eurex Software (collectively, the "DBS
     Proprietary Rights"). Except to the extent DBS obtains prior written
     approval of LLC or the Eurex Entities, respectively, DBS may not include or
     use any Pre-Existing Proprietary Rights in any Deliverable or Sub-Project.
     DBS acknowledges and agrees that it is precluded from developing for itself
     or for others materials that are derived from any Deliverable or Sub-
     Project, and DBS disclaims any Rights to the Eurex Software. However,
     subject to the confidentiality obligations of DBS to the LLC Group
     hereunder, this restriction will not preclude DBS from using general
     concepts, know-how and ideas used or developed in the course of performing
     its obligations under this Agreement.

13.3 Source Code; Documentation.  To the extent included or used in any
     Deliverable developed or provided by DBS hereunder, DBS will deliver to LLC
     and each Ownership Party the source code version of any computer software,
     and documentation sufficient to enable the use, operation, modification and
     maintenance of such computer software. The source code will be delivered by
     providing each recipient with a CD-ROM or equivalent storage medium on
     which the source code is stored. The documentation will be delivered by
     providing each recipient with a CD-ROM or equivalent storage medium on
     which the documentation is stored.

                                    (S) 14
                      Infringement of Third Party Rights

14.1 By DBS.  DBS will indemnify, defend and hold each of the members of LLC
     Group harmless for all losses, damages, expenses and costs (excluding the
     consequential damages of the other parties to this Agreement except in the
     case of intentional misconduct or gross negligence on the part of DBS)
     related to or arising from all claims asserted by third parties against any
     one or more members of the LLC Group relating to the System or operation of
     the System, any Deliverables, any Client Proprietary Rights or anything
     else developed by or for DBS under this Agreement in which the third
     parties allege violations of intellectual property rights or of similar
     rights (e.g., under laws against unfair competition).
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14.2 Notice.  Each member of the LLC Group will inform DBS without undue delay
     when such claim is asserted against it.  DBS will also indemnify each
     member of the LLC Group against the costs of asserting such member's rights
     relating to such claims if such member coordinates assertion of rights with
     DBS.  DBS will select, at its own expense, legal counsel reasonably
     acceptable to the indemnified party for any proceedings, although the
     indemnified party is permitted to have, at its own expense, legal counsel
     of its choice also participate in the proceedings.

14.3 Settlement.  A member of the LLC Group is not permitted to settle any
     claims of third parties covered by Clause 14.1 so long as DBS fully
     complies with its obligations under the above provisions, unless such
     settlement includes a release of DBS from liability under the claim that is
     the basis of the proceeding.

14.4 Right to Use.  If a member of the LLC Group is prohibited in proceedings
     about intellectual property rights or similar rights directed against it
     from using the System or operating the System, the Deliverables and Client
     Proprietary Rights or anything else developed by or for DBS under this
     Agreement, or if such a prohibition is probable in their reasonable
     estimation, DBS, at its own cost, will obtain the right for such party or
     parties to continue to use the affected materials or replace them with
     another product which is equivalent in all aspects or modify the affected
     materials in such a manner that the violation of the intellectual property
     right or similar right no longer exists.  This Agreement will then apply to
     the new or modified products.

14.5 Texas Case.  Clause 5.1.2 of the Software License Agreement applies mutatis
     mutandis.  If the decision in the Texas Case is in favor of the plaintiff,
     the parties will use good faith efforts to modify the Project so that the
     Texas Case does not affect the Project.  LLC or any Ownership Party can
     also suspend this Agreement or terminate this Agreement pursuant to Clause
     18.1.

                                     (S) 15
                                Confidentiality

15.1 Confidential Information.  The parties acknowledge that they have received
     and will receive confidential information in connection with this Agreement
     and the transactions contemplated hereby related to and including trade
     secrets and business information regarding the business, financial
     situation, products and prospects of the other parties and their Affiliates
     ("Confidential Information").  For purposes hereof, Confidential
     Information includes but is not limited to (i) all documents and other
     media given or shown to any other party containing the legend,
     "Confidential," (ii) all documents, other media and other information
     (whether or not in written form) ancillary or related to such documents,
     (iii) all documents, other media and other information (whether or not in
     written form) prepared by the receiving party to the extent that they
     contain, reflect or are based upon, in whole or in part, any Confidential
     Information furnished by the disclosing party, (iv) except as set forth in
     any marketing plan or press release to which the parties mutually agree in
     writing, all information related to the subject matter of this Agreement,
     and (v) all
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     information that is Confidential Information as defined in Section 7.3 of
     the Software License Agreement. Confidential Information does not include
     any information: (i) which becomes generally available to the public other
     than as a result of a breach of this Clause 15.1, (ii) which is received
     from a third party provided that the third party is not bound by an
     obligation of confidentiality with respect to such information, or (iii)
     which was legally in a party's possession without obligations of
     confidentiality prior to such information being furnished as Confidential
     Information.

15.2 Use.  DBS, on the one hand, and the members of the LLC Group, on the other
     hand, agree that all Confidential Information will be used only for the
     purpose of evaluating and completing the transactions and business
     objectives contemplated herein, in the Master Software Development
     Agreement and in the various agreements among the members of the LLC Group.
     The receiving party of each item of Confidential Information will use
     reasonable efforts, taking into account the materiality and proprietary
     nature of the particular Confidential Information, to protect such
     Confidential Information from unauthorized use or disclosure (intentional,
     inadvertent or otherwise) and, in any event, will exercise at least the
     same reasonable level of care to avoid any such unauthorized use or
     disclosure as it uses to protect its own information of a like nature.

15.3 Exceptions.  Notwithstanding the foregoing, the parties may disclose
     Confidential Information to third parties with the prior written consent of
     the other parties hereto, and the parties will be free to disclose
     Confidential Information without the consent of the other parties to their
     attorneys and accountants, their clearing organizations, and to
     governmental entities and applicable self-regulatory organizations in
     connection with obtaining regulatory approvals to the extent necessary and
     reasonably appropriate to obtain such approvals or as otherwise required by
     law, rules of, or direction by, regulatory authorities having jurisdiction
     over the disclosing party, and only to the extent required by or reasonably
     requested by such authority, as well as to their directors, employees,
     attorneys, consultants and agents on a need-to-know basis in connection
     with their duties, as long as such persons are advised of the confidential
     nature of such information and their obligation to protect it as
     confidential and are bound by confidentiality undertakings consistent with
     this Section 15.

15.4 Return/Destruction.  Except for Confidential Information of DBS that the
     LLC Group is intended to retain under the terms of this Agreement, the
     Master Software Development Agreement and the various agreements among the
     members of the LLC Group, if this Agreement is terminated for any reason,
     the receiving parties of each item of Confidential Information, including
     documents, contracts, records or properties, will return it to the
     disclosing party thereof or, in the receiving party's discretion, destroy
     it and provide a certification to the disclosing party that all such
     Confidential Information has been returned or destroyed immediately after
     termination, except to the extent that retention of any Confidential
     Information is expressly permitted by any other written agreement among the
     parties or their Affiliates. The provisions of this Section 15 will survive
     the termination of this Agreement.

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15.5 Scope.  This Section 15 will not apply to information disclosed by a member
     of the CBOT Group or the Eurex Group to a member of the other group; such
     information is covered by clauses on confidentiality in the Software
     License Agreement and the Alliance Agreement.

                                    (S) 16

                            General Indemnification

16.1 By Members of LLC Group.  Each member of the LLC Group will hold DBS
     harmless from any claim asserted against DBS by such other party's
     respective personnel or subcontractors for personal injury or damage to
     property incurred while such personnel are at DBS's or an Affiliate's
     facilities in connection with this Agreement unless the harm was the result
     of intentional misconduct or gross negligence on the part of DBS or its
     Affiliate. Each member of the LLC Group will also hold DBS harmless from
     claims asserted against DBS by third parties resulting from intentional
     misconduct or negligence of such member's personnel; the members of the LLC
     Group are not liable for another member's personnel.

16.2 By DBS.  DBS will hold the other parties and their Affiliates harmless from
     any claim asserted against them by personnel of DBS or its subcontractors
     for personal injury or damage to property incurred while such personnel are
     at the other parties' or their Affiliates' facilities unless such harm was
     the result of intentional misconduct or gross negligence on the part of the
     other party or its Affiliate. DBS will also hold the other parties and
     their Affiliates harmless from claims asserted against them by other
     persons resulting from intentional misconduct or negligence of DBS's
     personnel.

16.3 Notification.  DBS and LLC or the Eurex Entities, respectively, will notify
     each other without undue delay if a claim is asserted for which a party
     will be seeking indemnification. The right to indemnification also covers
     the indemnified party's costs in defending against the claim so long as the
     indemnified party coordinates the defense of the claim with the party
     against whom indemnification is claimed. A party seeking indemnification is
     not permitted to settle the matter so long as the party against whom
     indemnification is claimed is in compliance with its obligations under this
     Section 16 unless such settlement includes a release of indemnifying party
     from liability under the claim that is the basis of the proceeding.

16.4 Risk Management.  Each member of the LLC Group will use commercially
     reasonable efforts to reduce the risk that a third party will assert claims
     against any such member or DBS resulting from the use of the System by such
     member, which may include adopting policies of use by third parties or
     entering into user agreements with third parties.
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                                    (S) 17

                                Public Notices

17.1 Press Releases.  Subject to the other parties' prior written approval,
     which will not be unreasonably withheld, each party and its subcontractors
     may advertise and publicize the fact that the parties are cooperating on
     the Project. The parties will cooperate in drafting press releases
     concerning the Project.

17.2 Disputes.  Any statement to the press (or to a third party with the intent
     that the third party forward the statement to the press) concerning a
     Project Problem in which one party allocates blame for the Project Problem
     to another party requires the written approval of LLC or the Eurex
     Entities, respectively, and DBS, which consent will not be unreasonably
     withheld.

17.3 Terms of Agreement.  No party will disclose the terms and conditions of
     this Agreement or proposed Change Requests except to the other parties or
     as reasonably required to perform its obligations or as required by law, or
     for such disclosures as may be necessary or desirable in the ordinary
     course of such party's business including, without limitation, disclosures
     with attorneys, consultants, accountants and similar professionals.

                                    (S) 18

                               Termination, Term

18.1 Termination for Cause (Kundigung aus wichtigem Grund).  DBS, on the one
     hand, or any member of the LLC Group, on the other hand, may terminate this
     Agreement with regard to the relationship with the other party, if the
     other party after receiving a written reminder (Mahnung) setting a
     reasonable deadline for compliance, has not complied with terms of an
     agreement resolving a Project Problem within two weeks of conclusion of a
     Problem Report procedure relating to such Project Problem or within two
     weeks of the Escalation Committee failing to resolve a Problem Report. They
     may also terminate this Agreement with immediate effect without first
     implementing the Problem Report procedure if the other party intentionally
     commits a material breach of the obligation of confidentiality (Section
     15). If a member of the LLC Group terminates this Agreement or DBS
     terminates this Agreement as to a member of the LLC Group under the
     preceding two sentences, any other member of the LLC Group can terminate
     this Agreement with regard to their respective participations by giving
     written notice to DBS within two weeks after receiving written notice that
     another member of the LLC Group or DBS has terminated this Agreement. If
     this Agreement remains in effect with regard to only some of the members of
     the LLC Group, this Agreement will be adjusted to the changed
     circumstances. This Clause 18.1 does not limit the rights of the parties to
     terminate this Agreement for cause (Kundigung aus wichtigem Grund)
     generally available under German law.

18.2 Termination for Convenience.  The initial term of this Agreement for the
     LLC Group is until 30 June 2003. However, any member of the LLC Group can
     terminate its participation in this
<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -33-

     Agreement without cause with immediate effect even during the initial term.
     Unless LLC provides written notice to DBS stating otherwise, termination of
     this Agreement under this Clause 18.2 will also terminate any Sub-Project
     in existence as of such termination date. As DBS's sole remedy for LLC's
     termination of this Agreement or a party's instruction to terminate work
     under this Clause 18.2, DBS will be entitled to payment under each of the
     following categories:

     18.2.1    DBS is entitled to payment on a time and materials basis for all
               work performed up to the effective date of termination. DBS will
               transfer any partial work product for which the remuneration is
               paid to the corresponding member(s) of the LLC Group for whom DBS
               was to produce the work product.

     18.2.2    For a Sub-Project for which a fixed price has been agreed, DBS
               will be entitled to payment as compensation for the loss of
               future earnings as follows:

               (i)  If the parties have agreed on specific payments (e.g.,
                    Schedule 2.2.a) which will apply in the event of termination
                    for convenience, those payments will become due on the
                    effective date of the notice of termination.

               (ii) If the parties have not agreed to specific payments which
                    will apply in the event of termination for convenience, DBS
                    will be entitled to compensation under (S) 649 German Civil
                    Code.

     18.2.3    DBS will be entitled to payment on a time and materials basis for
               the work performed after termination for the purpose of winding
               down.

     A party which has given an instruction to DBS to perform work pursuant to a
     Change Request can also terminate the work without cause with immediate
     effect under this Clause 18.2.

18.3 Termination of other Agreements.  In the event of termination of the
     Alliance Agreement or the Software License Agreement or the Master Software
     Development Agreement, LLC, the Eurex Entities, or any other party may, in
     its free discretion, terminate its participation in this Agreement
     immediately upon providing written notice to DBS; Clause 18.2 will apply.
     If a party has terminated this Agreement due to termination of the Alliance
     Agreement or the Software License Agreement or the Software Development
     Agreement for cause (Kundigung aus wichtigem Grund) based on breach by a
     member of the Eurex Group, that party can satisfy its obligations
     (Erfullungsstatt) to make payment to DBS under Clause 18.2 of this
     Agreement by assigning to DBS that party's claims against the breaching
     member of the Eurex Group for damages corresponding to the amounts owed to
     DBS under Clause 18.2, if any. At the request of an Operating Party, DBS
     will enter into negotiations on a separate follow-up agreement on terms and
     conditions similar to those in this Agreement if this Agreement has
     terminated due to termination of the Alliance Agreement.
<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -34-

18.4 Continuation.  If any work under Schedules 2.2, 1.4, or 9.2b or Change
     Requests continues past the end of this Agreement, this Agreement will
     continue to apply to such work until it has been completed.

18.5 Post-Termination Cooperation.  If this Agreement is terminated for any
     reason, DBS will follow the reasonable instructions of LLC, the Eurex
     Entities and the Operating Parties for the purpose of providing the
     Services related to the System that were provided by DBS to the applicable
     party prior thereto and any new services requested by LLC, the Eurex
     Entities or the Operating Parties that may be required to facilitate the
     transfer of the System to LLC, the Eurex Entities and/or the Operating
     Parties or a third party service provider, as applicable, including,
     providing to LLC, the Eurex Entities and the Operating Parties or third
     party personnel training in the implementation, operation and maintenance
     of the System (collectively, the "Termination Assistance Services") in
     accordance with the following:

     18.5.1    At no additional cost, DBS will provide to LLC, the Eurex
               Entities and the Operating Parties and any designated third party
               service provider: (i) in writing, to the extent available,
               applicable requirements, standards, policies, operating
               procedures and other documentation relating to the
               implementation, operation and maintenance of the System; and (ii)
               necessary access to the System and the hardware, equipment and
               facilities related thereto.

     18.5.2    If and to the extent requested by LLC, the Eurex Entities and the
               Operating Parties, DBS will assist LLC, the Eurex Entities and
               the Operating Parties in developing a plan which will specify the
               tasks to be performed by the parties in connection with the
               Termination Assistance Services and the schedule for the
               performance of such tasks.

     18.5.3    DBS will provide the Termination Assistance Services for as long
               as an Operating Party reasonably requests for the orderly
               transition of the Services (the "Termination Assistance Period"),
               as agreed upon by LLC, the Eurex Entities and the Operating
               Parties, as the case may be, and DBS, including prices no worse
               to LLC, the Eurex Entities and the Operating Parties, as
               applicable, than those for comparable Services prior to
               termination.

     18.5.4    Following the Termination Assistance Period for a period not to
               exceed 12 months thereafter, and to the extent not already
               complied with, DBS will: (i) answer all reasonable and pertinent
               verbal or written questions from LLC, the Eurex Entities and the
               Operating Parties regarding the Services on an "as needed" basis
               as agreed upon by LLC, the Eurex Entities and the Operating
               Parties and DBS.

     18.5.5    Upon request from LLC, the Eurex Entities and the Operating
               Parties, and to the extent permitted by third party contracts,
               DBS will do the following:
<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -35-

               (a)  As part of the winding down or transfer of the
                    implementation, operation and maintenance of the System, LLC
                    or the Eurex Entities, as applicable, can require DBS to
                    sell to LLC and the Eurex Entities, respectively, or their
                    designees some or all of the fixed and current assets in the
                    System which are used by LLC or the Eurex Entities,
                    respectively. DBS can require LLC, or the Eurex Entities, as
                    applicable, to purchase some or all of the fixed and current
                    assets in the System, which are used by LLC or the Eurex
                    Entities, respectively, if DBS cannot reasonably use the
                    fixed assets elsewhere. The price for fixed assets will be
                    their book value as shown in DBS's books but in any event no
                    more than the fair market value. The price for current
                    assets will be their fair market value. DBS will transfer
                    ownership of the corresponding assets to LLC or the Eurex
                    Entities, as applicable, in "as is" condition free of
                    encumbrances immediately on receipt of payment; LLC or the
                    Eurex Entities, as applicable, are responsible for taking
                    delivery of the assets where they are located on the date of
                    transfer. DBS and LLC or the Eurex Entities, as applicable,
                    can exercise their options to sell/purchase under this
                    Clause 18.5.5 up to the conclusion of the winding down or
                    transfer of the System.

               (b)  DBS will transfer or assign, upon LLC, the Eurex Entities or
                    an Operating Party's request, any third party contracts
                    applicable to the implementation, operation and maintenance
                    of the System to LLC, the Eurex Entities or such Operating
                    Party or its designee, on terms and conditions acceptable to
                    all applicable parties.

     18.5.6    LLC or the Eurex Entities, as applicable, will hold DBS harmless
               from the expenses for leased lines and leases for premises and
               equipment and other expenses relating to using such items by the
               applicable parties and charged to DBS by third parties and
               subcontractors until the end of the term of the agreement with
               the respective party (except where LLC or the Eurex Entities, as
               applicable, have terminated this Agreement for just cause
               (Kuendigung aus wichtigem Grund). The right of DBS to
               indemnification under the preceding sentence does not apply if
               the third party or subcontractor charges expenses to DBS due to
               DBS having violated its obligations to the third party or
               subcontractor. Unless LLC or the Eurex Entities, as applicable,
               grants its or their prior written consent, the term of a line
               agreement will not exceed [**], and a lease agreement for
               premises will not exceed an initial fixed term of [**]. DBS will
               use its best efforts to have the respective third party or
               subcontractor consent to LLC or the Eurex Entities, as
               applicable, or a third party designated by LLC or the Eurex
               Entities, as applicable, assuming the agreements with DBS unless
               LLC or the Eurex Entities, as applicable, instruct DBS otherwise.
<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -36-

     18.5.7    DBS will provide all necessary Termination Assistance Services on
               a time and materials basis, monthly in arrears. Clause 7.5
               applies.

18.6 Termination by DBS.  DBS can terminate this Agreement without cause by
     giving at least 12 month's written notice to LLC effective on 30 June 2004
     or any subsequent 30 June or 31 December. DBS cannot terminate a Change
     Request concluded pursuant to Clause 3.2 or a Change Request agreed with
     LLC or the Eurex Entities, as applicable, unless DBS also terminates this
     Agreement; Clause 18.4 will continue to apply.

                                     (S) 19
                               General Provisions

19.1 Notices.  Except as expressly set forth to the contrary in this Agreement,
     all notices, requests or consents required or permitted under this
     Agreement must be in writing and must be given either (i) delivered by
     hand, (ii) mailed by certified or registered mail, addressed to the
     recipient, postage paid, and registered or certified with return receipt
     requested, (iii) sent by overnight courier, or (iv) transmitted by
     facsimile transmission, with confirmation of transmission, and are given
     when received by the recipient. All notices, requests and consents to be
     sent to a party must be sent to or made at the address given for that party
     in the heading of this Agreement, or such other address as that party may
     specify by notice to the other parties. Any notice, request or consent by
     DBS must be sent to LLC or the Eurex Entities, as applicable, and any
     notice, request or consent by the other parties must be transmitted by LLC
     or the Eurex Entities, as applicable, to DBS. DBS, on the one hand, and the
     parties other than LLC, on the other hand, can also submit a notice,
     request or consent directly to each other if they are entitled to assert a
     claim directly against the other party; any such notices must be copied to
     LLC.

19.2 Entire Agreement, Amendments.  This Agreement (together with the Master
     Software Development Agreement) constitutes the entire agreement between
     DBS, on the one hand, and the members of the LLC Group, on the other hand,
     and supersedes the Interim Agreement; there are no oral or written side
     agreements. Amendments or supplements to this Agreement (including
     amendments to this Clause 19.2) must be in writing to be effective. This
     also applies to an amendment to this Clause on written form.

19.3 Savings Clause.  The invalidity of individual provisions in this Agreement
     will not result in the entire Agreement being invalid. An invalid provision
     will be deemed to have been replaced by a valid provision which comes as
     close as possible to achieving the commercial purpose of the invalid
     provision.

19.4 Assignment.  No party can assign this Agreement without obtaining the prior
     written consent of the other parties; provided, however, that for the
     avoidance of doubt this sentence does not restrict the rights of the
     Ownership Parties to transfer Client Proprietary Rights. The parties will
     grant
<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -37-

     consent to an assignment of rights or obligations by a party to an
     Affiliate if the assigning party remains liable for any assigned
     obligations as a jointly and severally liable guarantor
     (selbstschuldnerische Burgschaft) with the assignee; however, a party can
     refuse consent if the assignment would have a materially detrimental impact
     on the party's interests. Notwithstanding the foregoing:

     19.4.1  Any member of the LLC Group may assign this Agreement without the
             consent of the other parties to this Agreement only to a person to
             whom the Alliance Agreement has been assigned by such member in
             accordance and in compliance with the terms of Section 13.7 of the
             Alliance Agreement. The assigning member, as long as it continues
             to exist, will remain liable as a jointly and severally liable
             guarantor (selbstschuldnerische Burgschaft) with the assignee
             unless and until agreed otherwise by DBS. For the avoidance of
             doubt the restructuring plan described in the May 16th 2000
             "Restructuring Report" of the CBOT constitutes a Reorganization, as
             that term is defined in the Alliance Agreement.

     19.4.2  LLC may assign this Agreement to one or more Network Entities.
             19.4.3 The parties herby grant their consent to DBS assigning some
             of the work under this Agreement and the corresponding rights and
             obligations to one or more of its Affiliates in the United States
             pursuant to the second sentence in the first paragraph of this
             Clause 19.4; however, DBS will remain liable for assigned
             obligations as a guarantor of performance and payment. The
             Affiliate(s) will then invoice the members of the LLC Group
             directly for any work the Affiliate(s) perform.

19.5 Applicable Law.  Except for the ownership of Client Proprietary Rights as
     provided in Section 13, which will be governed by New York law, this
     Agreement is subject to the laws of the Federal Republic of Germany
     (excluding the laws under the UN Treaty on the International Sale of
     Goods).

19.6 Language. English is the official language of this Agreement. Any notice,
     request or consent must be in English.

19.7 Survival. Any provisions of this Agreement that can reasonably be
     interpreted as being intended to survive the termination of this Agreement
     will survive the termination of this Agreement.

19.8 Further Assurances. The parties will execute and deliver such further
     documents and instruments, make such other filings and take such further
     actions in addition to those contemplated herein as may be reasonably
     requested by the other parties (other than the material payment of money)
     to carry out the intents and purposes of this Agreement.

19.9 Arbitration Procedure. Except with regard to actions seeking temporary or
     permanent injunctive relief, any dispute arising under this Agreement
     between or among any parties to this Agreement

<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -38-

     will be finally settled by arbitration in accordance with the arbitration
     rules of the United Nations Convention on International Trade Law (the
     "UNCITRAL Rules"). Prior to commencing arbitration, the parties must
     exhaust the Project Problem procedures set forth in Section 7.

     19.9.1  The arbitration will be conducted by three (3) arbitrators. The
             arbitrators must be familiar with business and legal matters
             similar to those that are the subject of this Agreement and the
             subject of the dispute. If there are only two parties to the
             arbitration proceedings, each party will appoint one arbitrator,
             obtain its appointee's acceptance of such appointment, and deliver
             written notification of such appointment and acceptance to the
             other party within thirty (30) days after delivery of a formal
             request for arbitration from one party to the other party. If a
             party fails to appoint an arbitrator or deliver notification of
             such appointment to the other party within this time period, upon
             request of either party, such arbitrator will instead be appointed
             by the London Court of International Arbitration (the "Appointing
             Authority") within thirty (30) days of receiving such request. The
             two arbitrators appointed in accordance with the above provisions
             will appoint a third arbitrator, obtain the appointee's acceptance
             of such appointment and notify the parties in writing of such
             appointment and acceptance within thirty (30) days of such
             appointment. If the first two appointed arbitrators fail to appoint
             a third arbitrator or to notify the parties of that appointment
             within this time period, then, upon request of either party, the
             third arbitrator will be appointed by the Appointing Authority
             within thirty days of receiving such request. The third arbitrator
             will serve as Chairman of the tribunal. If there are more than two
             parties to the arbitration proceedings, then all three arbitrators
             will be appointed by the Appointing Authority within thirty days or
             receiving a request from any of the parties. No arbitrator
             appointed by the Appointing Authority may be a director, officer,
             employee, counsel or agent of any party, and without the consent of
             all of the parties to the arbitration, may not be a resident of the
             United States, Germany or Switzerland. To the extent that
             arbitration procedures are not defined herein, all procedures
             relating to arbitration, including but not limited to notice
             thereof, deadlines and discovery will be pursuant to the UNCITRAL
             Rules as enacted in the forum.

     19.9.2  The place of arbitration will be London unless the parties to the
             arbitration agree otherwise. The proceedings will be conducted in
             the English language exclusively.

     19.9.3  The award rendered by the arbitrators will be final and binding on
             the parties.  Judgment on the award may be entered in any court of
             competent jurisdiction.

     19.9.4  The parties acknowledge that irreparable damage may occur in the
             event of breach of any of the terms of this Agreement.
<PAGE>

Final Version of the Systems Operations Agreement
                                                                            -39-

     19.9.5  If an arbitration under this Agreement coincides with an arbitrable
             claim under the Master Software Development Agreement, both matters
             must be asserted in the same arbitration proceedings.

19.10 Injunctive Relief.  The parties do not intend to deprive any court with
      jurisdiction of its ability to issue a preliminary injunction, attachment
      or other form of provisional remedy, and a request for such provisional
      remedies by a party to a court will not be deemed a waiver or violation of
      the parties' agreement to arbitrate.

<PAGE>

Final Version of the Systems Operations Agreement

Deutsche Borse Aktiengesellschaft             Swiss Stock Exchange

    /s/ Andreas Preuss /s/ Rainer Riess           /s/ H. Henckel /s/ R.T. Meier
By: ___________________________________       By: ____________________________

      July 20, 2000                                 18.8.2000
Date: _________________________________       Date: __________________________
<PAGE>

Final Version of the Systems Operations Agreement
                                                                             -2-

Board of Trade of the City of Chicago         Ceres Trading Limited Partnership,
                                              by Board of Trade of the City of
                                              Chicago, its managing general
                                              partner

     /s/ Dennis A. Dutterer                        /s/ Dennis A. Dutterer
By:  ___________________________              By:  __________________________

Date: __________________________              Date: _________________________

Ceres Alliance L.L.C.                         Eurex Frankfurt AG

     /s/ Dennis A. Dutterer                        /s/ Andreas Preuss
By:  ___________________________              By:  __________________________

                                                    July 20, 2000
Date: __________________________              Date: _________________________

Eurex Zurich AG                               Eurex Clearing AG

     /s/ Andreas Preuss                            /s/ Andreas Preuss
By:  ___________________________              By:  __________________________

      July 20, 2000                                 July 20, 2000
Date: __________________________              Date: _________________________

CBOT/EUREX ALLIANCE, L.L.C.                   Deutsche Borse Systems AG

     /s/ Andreas Preuss
     /s/ Dennis A. Dutterer                        /s/ Illegible
By:  ___________________________              By:  __________________________

      July 20, 2000
Date: __________________________              Date: _________________________

<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -1-

                                                                    Schedule 1.1

                           Glossary of Defined Terms

"Acceptance"                 means, with respect to a Sub-Project, acceptance of
                             such Sub-Project as set forth in Clause 8.4.

"Acceptance Form"            means the Acceptance Form described in Clause
                             8.4.3.

"Access Point"               is defined in point 3.1 of Schedule 9.2.

"Affiliate"                  is defined in clause 1.1 of the Software License
                             Agreement. For purposes of this Agreement, DBS will
                             be deemed not to be an Affiliate of any member of
                             the Eurex Group.

"Agreement"                  is defined in the Heading.

"Alliance Agreement"         is defined in the Recitals, Clause D.

"Application Maintenance"    means the Application Maintenance described in
                             Clause 2.2.2.

"Appointing Authority"       is defined in Clause 19.9.1.

"CBOT"                       is defined in the initial paragraph of this
                             Agreement.

"CBOT Group"                 has the meaning set forth in Article I of the
                             Alliance Agreement.

"Ceres"                      is defined in the initial paragraph of this
                             Agreement.

"Ceres Alliance"             is defined in the initial paragraph of this
                             Agreement.

"Change Request"             is defined in Clause 2.5.

"Claim"                      is defined in Clause 11.2.3

"Class 1 Deviation"          is defined in Clause 8.4.1.

"Class 2 Deviation"          is defined in Clause 8.4.1.

"Class 3 Deviation"          is defined in Clause 8.4.1.

"Client Proprietary Rights"  is defined in Clause 13.1.

"Confidential Information"   is defined in Clause 15.1.

"Consulting Agreements"      is defined in the Recitals, Clause C.

<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -2-

"DBAG"                       is defined in the initial paragraph of this
                             Agreement.

"DBS"                        is defined in the initial paragraph of this
                             Agreement.

"DBS Catalogue of Prices"    is defined in Clause 9.2.

"DBS Proprietary Rights"     is defined in Clause 13.3.

"Deficiency Report"          means the Deficiency Report described in Clause
                             8.1.

"Deliverables"               is defined in Clause 2.4.

"Detailed Definition"        is defined in Clause 2.4.

"Development Agreement"      has the meaning set forth in Article I of the
                             Alliance Agreement.

"Development Parties"        is defined in Article I of the Alliance Agreement.

"Deviations"                 is defined in Clause 8.1.

"Effective Date"             is the signing date.

"Escalation Committee"       is defined in Clause 3.7.

"Eurex Software"             means the Programs and any Modifications including,
                             without limitation, Eurex 2.0, Eurex 3.0, Eurex
                             4.0, Eurex 4.1, JV Release 1.0 and any future
                             releases or versions thereof.

"Eurex 2.0"                  is defined in the Recitals, Clause A.

"Eurex 3.0"                  is defined in the Recitals, Clause B.

"Eurex 3.1"                  is defined in the Recitals, Clause B.

"Eurex 4.0"                  is defined in the Recitals, Clause E.

"Eurex 4.1"                  is defined in the Recitals, Clause G.

"Eurex Clearing"             is defined in the initial paragraph of this
                             Agreement.

"Eurex Entities"             is defined in the Recitals, Clause F.

"Eurex Frankfurt"            is defined in the initial paragraph of this
                             Agreement.

"Eurex Group"                has the meaning set forth in Article I of the
                             Alliance Agreement. For purposes of this Agreement,
                             the Eurex Group will be deemed not to include DBS.

"Eurex Zurich"               is defined in the initial paragraph of this
                             Agreement.

<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -3-

"Exchanges"                  has the meaning set forth in Article I of the
                             Alliance Agreement.

"Facilities"                 is defined in Clause 3.4.5.

"Freelancers"                is defined in Clause 3.8.

"Future Development Entity"  has the meaning set forth in Article I of the
                             Alliance Agreement.

"Group"                      has the meaning set forth in Article I of the
                             Alliance Agreement.

"Interim Agreement"          is defined in the Recitals, Clause E.

"JV Release 1.0"             is defined in the Recitals, Clause E.

"Key Personnel"              is defined in Clause 12.2.

"LLC Group"                  means LLC, the members of the Eurex Group and the
                             members of the CBOT Group. Each party in the LLC
                             Group shall be referred to as a member.

"LLC"                        has the meaning set forth in Article I of the
                             Alliance Agreement.

"Master Software             is defined in the Recitals, Clause D.
 Development Agreement"

"Material Tools"             is defined in Clause 5.1 and includes third party
                             tools and tools developed, owned and commercialized
                             by DBS

"Modifications"              has the meaning set forth in Clause 7.1(b) of the
                             Software License Agreement.

"Network"                    has the meaning set forth in Article I of the
                             Alliance Agreement.

"Network Entities"           has the meaning set forth in Article I of the
                             Alliance Agreement.

"Operating Parties"          are Eurex Zurich, Eurex Frankfurt, Eurex Clearing
                             and, for the CBOT, LLC.

"Ownership Parties"          are Licensors and Licensee as defined in the
                             Software License Agreement or their permitted
                             assignees.

"Pre-Existing Proprietary    means any Proprietary Right that DBS owned prior to
 Rights"                     the Effective Date and that is not related to or
                             derived from the Eurex Software, the System or the
                             Network.

"Problem Report"             is defined in Clause 7.3.

"Production Environment"     means the IT environment intended for simulation
                             which will subsequently be further developed for
                             actual production business.

"Program Manager"            means the Program Manager described in Clause 3.5.

<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -4-

"Project"                    is defined in Clause 2.1.

"Project Prices"             is defined in Clause 9.1.

"Project Problem"            is defined in Clause 7.1.

"Programs"                   has the meaning set forth in the clause 1.12 of the
                             Software License Agreement.

"Project Manager"            means the Project Manager described in Clause 3.5.

"Problem Report"             is defined in Clause 7.3.

"Proprietary Rights"         has the meaning set forth in Clause 1.14 of the
                             Software License Agreement. For purposes of this
                             Agreement, the clause beginning with "including"
                             and ending with "related thereto" at the end of
                             such clause 1.14 is replaced with the following:
                             "including any Confidential Information included
                             therein or related thereto."

"Release 3.0 Modifications"  has the meaning set forth in Clause 1.15 of the
                             Software Development Agreement.

Restructuring Report         As defined in Clause 19.4.1.

"Rights"                     has the meaning set forth in Clause 7.1(b) of the
                             Software License Agreement.

"Service Agreements"         is defined in the Recitals, Clause F.

"Services"                   is defined in Clause 2.4.

"Services Completion         means the Services Completion Notice described in
 Notice"                     Clause 8.5.2.

"Sign-Off"                   means, with respect to a Deliverable, sign off of
                             such Deliverable as set forth in Clause 8.1;
                             provided, however, that no Deliverable will be
                             deemed accepted by LLC until the Final Acceptance.

"Sign-Off Form"              means the Sign-Off Form described in Clause 8.1.

"Software License            is defined in the Recitals, Clause A.
 Agreement"

"Steering Committee"         is defined in Clause 3.6.

"Sub-Project"                is defined in Clause 2.1.

"Sub-Project Acceptance"     means Final Acceptance of a Sub-Project.

"SWX"                        is defined in the initial paragraph of this
                             Agreement.

"System"                     has the meaning set forth in Article I of the
                             Alliance Agreement.

<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -5-

"Tasks"                      is defined in Clause 2.4.

"Termination Assistance      is defined in Clause 18.5.
 Services"

"Tools"                      is defined in Clause 5.1.

"UNCITRAL Rules"             is defined in Clause 19.8.

"Value Added Tax (VAT)"      means the Value Added Tax or VAT (Umsatzsteuer)
                             described in Clause 9.4.

<PAGE>

                                                                             -1-

Final Version of Schedules to the Systems Operations Agreement

                                                                    Schedule 1.4

<TABLE>
<CAPTION>

N'           Name                      Decision  Current                      Impact on                        Date of      Billing
                                                 Status  ---------------------------------------------------------------    start
                                                          One-off project   fixed monthly   variable monthly  Signature
                                                            cost in EUR      cost in EUR       cost in EUR
-----------------------------------------------------------------------------------------------------------------------------------
<S> <C>                                <C>       <C>      <C>               <C>             <C>               <C>           <C>
13  [* *] Operations for Eurex                    open                                                                      Jan 00
-----------------------------------------------------------------------------------------------------------------------------------
14  Upgrade [* *] for Eurex/CBOT JV    Eurex GL  Signed        [* *]            [* *]                          30.6.00      Sep 00
-----------------------------------------------------------------------------------------------------------------------------------
15  Evaluation of [* *]                Eurex GL  Signed        [* *]                                           30.6.00      Jun 00
-----------------------------------------------------------------------------------------------------------------------------------
16  [* *] Upgrade                      Eurex GL  Signed                         [* *]                          30.6.00      Jun 00
-----------------------------------------------------------------------------------------------------------------------------------
17  Upgrade Training Location [* *]    Eurex GL  Signed                         [* *]                          30.6.00      Apr 00
-----------------------------------------------------------------------------------------------------------------------------------
18  Extension of [* *]                            Open                                                                      Jun 00
    Price & Service catalogue
-----------------------------------------------------------------------------------------------------------------------------------
19  Addendum: Upgrade [* *]            Eurex GL  signed        [* *]            [* *]                          30.6.00      Sep 00
    for Eurex/CBOT JV
-----------------------------------------------------------------------------------------------------------------------------------
20  Access Point [* *]                 Eurex GL  signed        [* *]            [* *]             [* *]         4.7.00      Okt 00
-----------------------------------------------------------------------------------------------------------------------------------
21  Access Point [* *]                 Eurex GL  signed        [* *]            [* *]             [* *]         4.7.00      Okt 00
===================================================================================================================================
                                                 Total         [* *]            [* *]             [* *]
-----------------------------------------------------------------------------------------------------------------------------------
</TABLE>

Change Requests 20 and 21 will be changed into JV Change Requests. The
associated costs will be allocated to LLC and Eurex as presented in MC Meeting
13 July 2000.
<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -1-

                                                                    SCHEDULE 2.1

Overview of System Usage

     * Backend                                () Backend
       Chicago                                  Frankfort

       Router                                    Router

 * Access    @ Access                      @ Access   () Access
   Point       Point                         Point       Point

*  Part of the System which relates solely to the CBoT

@  Part of the System which relates solely to the Eurex

() Part of the System which is shared by the CBoT Group and the Eurex Group.

<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -1-

                                                                    SCHEDULE 2.2

                                                       Insert 'Schedule 2.2.PPT'

NOTE: The Schedule represents the DBS-proposal "as of January 31". Any detail,
e.g. scope, prices, timelines etc., may have been already redefined in the
Agreement, other Schedules, existing Change Requests or written confirmations.
In any case the definitions in the Agreement, other Schedules, Change Requests
or written confirmations will apply.

<TABLE>
<CAPTION>
Payment Schedule for System Operations Agreement

all numbers in Euro                    Actuals Actuals Actuals  Actuals Actuals Actuals   Plan   Plan   Plan   Plan   Plan   Plan
-----------------------------------------------------------------------------------------------------------------------------------
Project                   Total in 2000  Jan 00  Feb 00  Mrz 00   Apr 00  Mai 00  Jun 00 Jul 00 Aug 00 Sep 00 Okt 00 Nov 00 Dez 00
-----------------------------------------------------------------------------------------------------------------------------------
<S>                       <C>           <C>     <C>     <C>      <C>     <C>     <C>    <C>    <C>    <C>    <C>    <C>    <C>
System Operations
 Agreement                    [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

    Exchange Setup            [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Line Dpt. Effort        [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      DBS Part                [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Project Management      [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Travel Expenses         [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

    Operations                [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Customer Service        [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Training                [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Host Operations         [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]

      Networks                [**]        [**]    [**]    [**]     [**]    [**]    [**]   [**]   [**]   [**]   [**]   [**]   [**]
-----------------------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>

                                                                             -2-

Final Version of Schedules to the Systems Operations Agreement

JV Change Requests

<TABLE>
<CAPTION>
-----------------------------------------------------------------------------------------------------------------------------------
                                                                         Impact on
N'                  Name                Affected   Decision            ----------------------------------------
                                        Release              Current   Estimated Cost   Actual Effort in   Est.   Date of Signature
                                                             Status        in EUR              EUR         (wd)
-----------------------------------------------------------------------------------------------------------------------------------
<S>  <C>                                <C>        <C>       <C>       <C>               <C>               <C>    <C>
12  Functional Training Infrastructure    1.0        MOC     Approved       [* *]                                        25.08.2000
-----------------------------------------------------------------------------------------------------------------------------------
19  Permanent Simulation Environment      1.0        MOC     Approved       [* *]                                        25.08.2000
-----------------------------------------------------------------------------------------------------------------------------------
22  System Host time                      1.0        MOC     Approved       [* *]                                        25.08.2000
-----------------------------------------------------------------------------------------------------------------------------------
23  Membership Ids                        1.0        MOC     Approved       [* *]                                        25.08.2000
-----------------------------------------------------------------------------------------------------------------------------------
</TABLE>

Cost for CR 19 are [* *]  per month plus [* *] per month and member.
<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -1-

                                                                    SCHEDULE 2.2

1.   "DBS Part", "Project Management" and "Line Dpt. Effort" are the costs for
     DBS' own personnel and other resources. These costs will be charged on a
     time and materials basis at the unit prices set forth in Section 2 of
     Schedule 9.2. The amounts set forth above which are not identified as
     actual costs are estimates based on an assumption of 18 eight-hour mandays
     per month, and establish no payment obligation of any kind. The actual
     charges could be higher or lower depending on the number of mandays
     actually devoted by DBS to the DBS Part, Line Dpt. Effort or Project
     Management. The most current status is presented twice a month to the
     Management Committee of the LLC. Project Management charges through July 8,
     2000 are divided equally between the Master Software Development Agreement
     and the System Operations Agreement. After July 8, 2000, Project Management
     charges for JV Release 1.0 will be covered by the Systems Operations
     Agreement (incl. software fixing).

2.   "Travel Expenses" are estimated unless indicated otherwise, will be charged
     as incurred and will be the actual travel costs incurred by DBS personnel
     and subcontractors. Any expenses in excess of the estimates contained above
     will be subject to the prior approval of LLC. The means of travel and
     method of accounting for travel (e.g., class for air travel, documentation)
     will be in accordance with DBS's standard travel policies, which are
     identical to the travel policies of Deutsche Borse AG.

The estimates under the section Operations are based on Schedule 9.2a and the
number of members and their locations. These estimates will vary with the number
of actually connected members over time as set forth in the Schedule 9.2a.
<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -2-

                                                                   Schedule 2.2a

                    Charges for Termination for Convenience

If CBOT terminates the work under Schedule 2.2 for convenience pursuant to
Clause 18.2, the following charges will apply rather than (S) 649 German Civil
Code; CBOT will also owe compensation for work already performed and for post
termination cooperation (Clause 18.5).

1.   If CBOT gives notice of termination for convenience prior to or on 30 June
     2001, the charge will be [**].

2.   If CBOT gives notice of termination for convenience after 30 June 2001 and
     prior to or on 30 June 2002, the charge will be [**].

3.   If CBOT gives notice of termination for convenience after 30 June 2002 and
     prior to or on 30 June 2003, the charge will be [**].  This charge does not
     apply if CBOT has given at least 12 months notice effective on 30 June
     2003.

4.   If CBOT gives notice of termination for convenience effective during any
     subsequent year ending 30 June, the charge will be [**] unless CBOT has
     given at least twelve months notice effective on any 31 December or 30
     June; in this case no charge will apply.
<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -1-

                                                                    SCHEDULE 3.5

                       Program Managers and Substitutes
<TABLE>
<CAPTION>

                                          LLC                                  Eurex                          DBS
------------------------------------------------------------------------------------------------------------------------------
<S>                         <C>                  <C>                        <C>                       <C>
Program Manager            Jim Amaral           Jurg Spillmann             Jurg Spillmann            Frank Gerstenschlager
------------------------------------------------------------------------------------------------------------------------------
Substitute                 Tbd                  Andreas Preuss             Andreas Preuss            Thomas Lenz
------------------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>

Final Version of Schedules to the Systems Operations Agreement
                                                                             -1-

                                                                  SCHEDULE 3.6.2

                              Steering Committee
<TABLE>
<CAPTION>

                                                        LLC                                          DBS
---------------------------------------------------------------------------------------------------------------------
<S>                                <C>                         <C>                          <C>
Program Manager                    Jim Amaral                  Jurg Spillmann               Frank Gerstenschlager
---------------------------------------------------------------------------------------------------------------------
                                   Mary McDonnell              Andreas Preuss               Hanno Klein
---------------------------------------------------------------------------------------------------------------------
                                   Terry Livingston            Dr. Michael Widmer           Markus Toporowski
---------------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>

                                                                             -1-

                                                                   SCHEDULE 9.2a

                            DBS Catalogue of Prices

The prices in this Schedule 9.2a Sections 3 through 6 apply only to work which
DBS performs in relation to the CBOT Group.  The current prices for
corresponding work which DBS performs in relation to the Eurex Group are set
forth in Schedule 9.2b.  The prices in Schedule 9.2b are being renegotiated and
will be equivalent to the prices in relation to the CBOT Group.  Sections 1, 2
and 7 apply to the Master Software Development Agreement, and Sections 1 through
7 apply to the Systems Operations Agreement.

1.   General Provisions

1.1  All amounts are in Euro (.) and without VAT.

1.2  All amounts which are to be charged on a monthly basis are charged per
     calendar month and are determined on the basis of whether or not the
     individual billing criterion is satisfied on the calculation date
     (Stichtag) which is generally the 15th of each month.  For example, if a
     monthly fee is charged for a Participant and the Participant is connected
     on the 14th day or earlier of a calendar month, the full monthly fee is
     charged.  If the Participant is connected on the 16th day or later of the
     month, no fee is charged for the month.  DBS can elect to charge for part
     of a month on a pro rata temporis basis by giving three full calendar
     months notice prior to the month for which the change takes effect.

1.3  The descriptions of services in the catalogue are solely for the purpose of
     identifying the items for which remuneration is charged and will not be
     used for interpreting the scope of work.  The technical descriptions of
     services are set forth in other Schedules, Change Requests, Detailed
     Descriptions and other documents.

2.   Software Reseach and Development, Consulting

2.1  Description of Work

     These services are software research and development as well as consulting
     and support services including the selection, development, introduction and
     maintenance of software, operation and project management, all as described
     in more detail in the applicable Agreements, Schedules and Change Requests.
<PAGE>

                                                                             -2-

2.2  Remuneration

     Unless the parties have agreed to a fixed price, the following hourly rates
     apply for work performed by individuals in the following DBS
     classifications, regardless of whether the individuals are DBS employees,
     Freelancers or subcontractor employees.

               Price Levels                     Price
                                                per hour

                      Analyst                     [**]
                      Junior Consultant           [**]
                      Consultant                  [**]
                      Senior Consultant           [**]
                      Manager                     [**]
                      Senior Manager              [**]

     These hourly rates cover all costs incurred in connection with the
     performance of the order, except for specific disbursements (e.g., travel
     in accordance with the DBS standard travel policies = DBAG policies).  DBS
     classifies personnel according to its reasonable discretion.  In the case
     of Freelancers and subcontractor employees, the classification is based on
     a comparison of the individual's position and duties to employees of DBS.
     DBS has informed the LLC Program Managers about the standard travel
     policies.  If these policies change and the change would result in extra
     costs to the LLC Group, the extra costs will not be charged.  Travel time
     will be charged at one half the above hourly rates, and then only for (i)
     the time in which the individual could have been working if the individual
     was not traveling, or (ii) the loss of the individual's normal time off on
     weekends or holidays, up to a maximum of 8 hours for any such day.

3.   Network Implementation and Operation

3.1  Description of Work

     Setup and operation of the Network for the System including:
     implementation, configuration management, change management, monitoring,
     fault recovery, troubleshooting and reporting.
<PAGE>

                                                                             -3-

     The topology of the Network is designed to make an equal and high-quality
     access to the System possible for all connected Participants and to
     maintain a high performance.  A "Participant" is an enterprise or
     individual who has applied for admission to trade on an Exchange or who has
     been admitted to trade on an Exchange.

                [TOPOLOGY AND COMMUNICATION RELATIONSHIP CHART]

     Illustration 1: CBOT/Eurex(R) Alliance Network Architecture

     The Participants will be connected according to a two-phase concept (see
     illustration 1):

     .    Connection of the Participants to the System:

          A Participant is connected to an Access Point via two 64 KBit per
          second connections ("Participant Installation").  The two connections
          will be implemented, wherever technically possible and reasonable,
          using different telecommunication carriers with physically separate
          connections or diverse routing from a single carrier.

          A Participant Installation can consist of one or more physically
          separate offices connected to each other by a LAN or a WAN ("Sites").
          A Participant Installation may be used by one or several Participants.
          In the case of several Participants using a single Participant
          Installation, the installation is a Multi Member Integrated Server
          System (MMISS).
<PAGE>

                                                                             -4-

      .   Connection of the Access Points to the backend:

          The local connections of the Participant Installations within a
          geographic area are gathered together at "Access Points" consisting of
          two communications servers and four routers (maintained in a redundant
          structure of one server and two routers each at two physically
          separate locations).  An Access Point is a logical unit having a
          maximum capacity of [**].  Accordingly, up to a number of [**] can be
          connected to one Access Point.  The connection of the Access Points to
          the backend is made by means of two separate connections.  The price
          for establishing a new Access Point will be agreed in the
          corresponding Change Request.

3.2  Remuneration

     The following prices are based on the number of Participant Installations
     connected to the Access Points; a MMISS constitutes a single Participant
     Installation under this section 3.2.  The amounts stated are for each
     calendar month.  With respect to the individual Participant Installations,
     the following prices apply:

       Access Point          Participant    Price per     Price per
       Location (general                    Access        Participant
       urban area)           Location       Point         Installation

       Chicago               Chicago        [**]          [**]

       Chicago               Sydney                       [**]

       Chicago               Tokyo                        [**]

       London                London         [**]          [**]

       Frankfurt             Frankfurt      [**]          [**]

       New York              New York       [**]          [**]

     A Participant can have more than two connections between a Participant
     Installation and an Access Point.  [**] will be charged for each additional
     connection.
<PAGE>

                                                                             -5-

     The above monthly fees for Participant Installations are based on the
     carrier charges for leased lines between a Participant Installation and an
     Access Point located within the borders of the same city.  If the
     Participant Installation is located outside of the city in which the Access
     Point is located, the monthly charge will be increased to cover higher
     carrier costs for installing and maintaining the leased lines, if any, and
     any increased DBS handling costs.  DBS will agree with LLC on the increased
     costs before connecting the Participant Installations.

     After receipt of notice canceling a Participant Installation, the monthly
     fee will continue to be charged for the next three full calendar months.
     Upon the cancellation of an Access Point, LLC must pay the expenses for
     line costs or leases charged to DBS by third parties until the end of the
     term of the agreement with the respective supplier. Unless LLC grants its
     prior written consent, the terms of the line agreements will not exceed
     [**] and lease agreements for premises will not exceed initial fixed terms
     of [**]. DBS will also charge LLC for the remaining book value (as shown on
     DBS's books) of the fixed assets in the Access Points if DBS cannot
     reasonably use the fixed assets elsewhere. If DBS charges the remaining
     book value, DBS will transfer ownership of the corresponding fixed assets
     to LLC in "as is" condition immediately on receipt of payment; LLC is
     responsible for taking delivery of the fixed assets at the Access Points.

4.   Production

4.1  Description of Work

     Operation of the Production Environment for the System:

     The topology of the Production Environment is designed to make an equal and
     high-performance access to the System possible for all connected
     Participants and to maintain a high performance.  The security of the
     operated systems is achieved by:

     .   software installation on the backend systems, communication servers and
         other systems to be operated,

     .   continuous monitoring of the architecture and the application,

     .   technical supervision and continuous monitoring of the end-of-day
         processing (including preparation and distribution of the reports
         necessary for the Exchange),

     .   continuous control of the system setup,

     .   redundant data protection of the operated systems,
<PAGE>

                                                                             -6-

     .   conclusion and administration of suitable license and maintenance
         agreements.

     The technical performance of the operated systems is achieved by:

     .   capacity and System Management,

     .   selection and use of suitable hardware and software,

     .   continuous performance analysis,

     .   preparation of reports and statistics.

     The Production Environment consists of a redundant backend cluster which is
     distributed to two locations together with subordinated data base systems
     which are also constructed as disaster tolerant.

                             [ORGANIZATIONAL CHART]

     Illustration 3: CBOT/Eurex(R) Alliance Production Architecture (current
     plan)

4.2  Remuneration

     The remuneration is [**] for each calendar month, commencing pro rata
     temporis for the first month in which the backend hardware is installed and
     ready for installation of Participant data (scheduled to be in the first
     half of May 2000).
<PAGE>

                                                                             -7-

5.   Customer Service

5.1  Description of Work

     Customer Service is the central contact for Participants who want technical
     support for the System.  Customer Service also deals with all technical
     orders from the LLC Group and coordinates the realization of such orders
     (e.g., the connection of new Participants).

     In the case of introduction of new systems or Modifications, Customer
     Service will give support for Technical Member Readiness and Service
     Implementation.

     Customer Service consists of:

     A.   Connection Services which include:

          .   examining application forms from potential Participants for
              completeness and plausibility,

          .   supporting the Participant by phone and electronic media in the
              configuration, installation and operation of its frontend
              installation,

          .   verification that the Participant Installation complies with the
              Exchanges' regulations governing the connection of Participants to
              the System (e.g. "Technische Durchfuhrungsbestimmungen" =
              "Implementation Regulations Concerning Technical Equipment"),

          .   setting up network connections between the Participant and the
              Access Point (commissioning, coordinating the dates, setup of the
              required bandwidths, etc.),

          .   connecting the Participant to the System and testing (Ping Test,
              FTP Test, Failover Test),

          .   transferring the System application software to the Participants'
              systems,

          .   technical configuration of the Participant in the backend,

          .   coordinating the functional setup of the Participant in the
              backend with market supervision and production administration,

          .   moving a Participant Installation from one Access Point to another
              or from one location to another location.
<PAGE>

                                                                             -8-

          The connection (including a move) of a Participant Installation
          requires an order from LLC to DBS.  The technical connection of a
          Participant is concluded as soon as the Participant has been
          completely set up in the production system and the Ping Test, the FTP
          Test and the Failover Test have been successfully completed.  The
          Participant will be disconnected as soon as the relevant Operating
          Party notifies DBS in writing that the Participant connection must be
          cancelled.

     B.   Technical Helpdesk (First Level Support) and Change Management

          Technical Helpdesk includes the following services:

          .   solving technical problems in the everyday operation of the Member
              Integrated System Server (MISSs), the WAN-Routers and the MISS-
              Router-LAN,

          .   support for troubleshooting of technical errors in the frontend
              installation,

          .   solving problems with the connection between the Participant and
              the Access Point,

          .   answering questions on technical matters,

          .   answering questions regarding the VALUES-API interface.

          All Participants operating a frontend installation which is classified
          as "supported" and which fulfills the requirements of the
          Implementation Regulations Concerning Technical Equipment will be
          supported.

          Change Management includes the following services for the "supported"
          Participant Installations:

          .   provision of additional connections and cancellation of
              connections between the Participant Installation and the Access
              Point,

          .   setup of additional MISS and cancellation of MISS,

          .   change of report nodes,

          .   setup of new routers in the Participants' premises,

          .   cancellation of a Participant Installation.
<PAGE>

                                                                             -9-

     C.   Training

          Technical Training and Technical Update Training will be offered at
          the training locations in London (UK) and Chicago (U.S.A.).  Technical
          Training is the initial training course for the System.  Technical
          Update Training is a follow-up course.  Training includes:

          .   preparation of the training software and other materials in the
              Training Environment (Section 7) and function test according to
              the "Training Service Level Agreements",

          .   preparation of the training sessions (backend and frontend),

          .   carrying out of the training sessions.

          Up to a maximum number of 5 persons, the training sessions will be
          carried out by one trainer.  In the case of more than 5, but not more
          than 15 persons, the training sessions will be carried out by two
          trainers.  DBS and LLC will establish a training schedule every May
          and November for the following half-year.  The schedule will contain
          the scope, the exact dates and times as well as the locations where
          the training sessions shall take place.  The training sessions shall
          be carried out in German or English, as requested by LLC.

          LLC will coordinate the training schedules with other exchanges
          serviced by DBS.

     D.   Standard Package

          The Standard Package is a turnkey solution offered to Participants (in
          Sun and Intel NT based technologies) which includes:

          .   installation and configuration service including a brief local
              functional and technical introduction;

          .   remote system management, hardware and software maintenance
              service through 30 June 2001.

          The Standard Package comprises the following components:

          .   sale of hardware and system software for 2 Member Integration
              System Servers which serve as trader workstations for the stand-
              alone configuration (as specified
<PAGE>

                                                                            -10-

              in more detail in the "CBOT/Eurex Alliance Standard Package" sent
              to Participants in February 2000);

          .   installation of frontend System application software based on the
              most recent releases;

          .   sale of two CISCO 2610 routers, one of which is equipped with one
              ISDN port;

          .   installation of local area network connection between MISSs and
              routers;

          .   sale of one standard office laser printer.

          The specific terms and conditions for sale and delivery have been
          separately agreed.

5.2  Remuneration

     A.   Connection Services will be remunerated for each new Participant
          Installation in an amount of [**] per connection as a one time charge.
          If Participants are connected to more than one Access Point, the
          connection to each Access Point constitutes a separate Participant
          Installation.  The move of a Participant Installation to another
          location is also a new Participant Installation and will be
          remunerated separately; however, there will be no charge under Section
          3.2, last paragraph, first sentence, for the three calendar months
          following the cancellation of the old connection.

     B.   Technical Helpdesk and Change Management is charged at a flat fee of
          [**] per month commencing as of 1 April 2000.  If the total number of
          Sites connected to the System exceeds [**], an additional monthly fee
          of [**] for each additional Site will be charged.

     C.   Training (Technical Training and Technical Update Training) will be
          charged as follows:

          Location     Number of    Price per day      Price per day
                       Trainers     for Technical      for Technical
                                       Training           Update
                                                         Training

          London       1                 [**]                [**]
                       2                 [**]                [**]
          Chicago      1                 [**]                [**]
                       2                 [**]                [**]
<PAGE>

                                                                            -11-

          If a Trainer is required to travel to the Training location, DBS will
          also charge for travel expenses incurred pursuant to DBS travel
          policies (see, Clause 2.2).

          LLC can cancel a training session free of charge by giving one month's
          written notice prior to the scheduled training session.  If LLC
          cancels a training session within one month but no later than one week
          prior to the scheduled session, DBS can charge a cancellation fee of
          one half of the training fee per trainer.  If LLC cancels a training
          session with less than one week's notice, DBS can charge the full
          fees.

     D.   Standard Packages are provided at a fixed price of [**] charged at an
          initial monthly installment of [**] and [**] subsequent monthly
          installments of [**].

6.   Training Environment

6.1  Description

     DBS will provide and operate the necessary infrastructure for Training
     ("Training Environment") which includes:

     .   frontend hardware and software infrastructure:

         .   creation of training-specific software images,

         .   installation and operation of the required frontend environments
             and newest software releases,

         .   change of the software images between the training sessions,

         .   remote support during the training sessions.

     .   backend Support:

         .   provision of the training backend hardware and required software
             infrastructure,

         .   system management.

     The training infrastructure is currently operated at the following
     locations with the number of workstations listed:
<PAGE>

                                                                            -12-

     Location      Address                     Number of Training
                                                   Workstations

     London        50 Cannon Street                     12
                   UK - London EC4N 6JJ
     Chicago       190 South LaSalle Street             15
                   USA - Chicago, IL 60603
     Chicago       141 West Jackson Blvd.               20
                   USA - Chicago, IL 60604

     The training facilities located in 141 West Jackson Blvd., Chicago, IL
     60604 are provided by LLC.

6.2  Remuneration

     The remuneration consists of a monthly lump sum per location and a lump sum
     per location and per training day.  The following fees apply.

           Training Environment        Charge per             Charge per
                                          month              training day

           London                         [**]                    [**]
           Chicago (LaSalle Street)       [**]                    [**]
           Chicago (West Jackson)         [**]                    [**]

7.   Development Environment

7.1  Description

     DBS provides and operates the infrastructure necessary for the development
     and update of Eurex Software (the "Development Environment").  For the
     purpose of planning the required number of software development
     workstations, DBS and LLC will establish a utilization plan by 30 September
     of each year for the next calendar year.  The plan will identify the number
     of required workstations per month for the following year.  In order to
     save costs, the frontend systems are also used for Xetra(R) development.

     A.   Development Frontend Hardware and Software Infrastructure:

          .   provision of desktop development and office communication frontend
              hardware and software (including servers),

          .   setup of the workstations,
<PAGE>

                                                                            -13-

          .   removal management,

          .   creation of specific software images,

          .   installation of new server software releases,

          .   installation of new desktop software releases,

          .   system management of the servers,

          .   hardware and software support of the desktop workstations.

     B.   Development Backend Hardware and Software Infrastructure:

          .   installation of the required software on the backend systems,

          .   monitoring the architecture and the application,

          .   permanent control of the system setups,

          .   conclusion and administration of the required license and
              maintenance agreements.

     C.   Performance Test Environment:

          The performance test environment represents a scaled-down image of the
          System production environment.  It serves to monitor the impact of
          software modifications on performance.

     D.   Acceptance Test Environment:

          The acceptance test environment is provided for the acceptance of the
          System application software releases.  This environment also
          represents a scaled-down image of the production environment.  The
          acceptance test environment is also used for Xetra(R).

7.2  Remuneration

     The remuneration for the Development Environment is contained in the hourly
     rates for DBS personnel and DBS subcontractors (working on an hourly basis
     and not on a fixed price basis) and will not be charged separately.  With
     respect to LLC Group personnel (including Freelancers), LLC
<PAGE>

                                                                            -14-

     subcontractors and DBS subcontractors working on a fixed price basis, DBS
     will charge [**] per hour and person (based on 8 hours per day) for the use
     of the Development Environment.
<PAGE>

                                                                             -1-

                                                            INSERT SCHEDULE 9.2b

This schedule describes the services, prices and service levels for the Eurex
Exchanges provided by Deutsche Borse Systems on the signing date of this
Agreement.
<PAGE>

                                                                             -1-

                                                                   Schedule 10.1

                                Service Levels

This schedule covers only the service levels for the Exchange in Chicago.  The
                     ----
current service levels for the Exchanges in Europe are set forth in the DBS
Price and Service Catalogue of 6 December 1999 (see Schedule 9.2b), which will
continue to apply until new service levels are agreed between Eurex Zurich,
Eurex Frankfurt and Eurex Clearing on the one hand and DBS on the other hand.

These Service Levels are preliminary and will be adjusted during discussions in
the autumn of 2000 after information about the behaviour of the system can be
gathered. Prices will not be increased if this information supports higher
service levels without the provision of additional services.

1.   Service Times

1.1  System

     The System will be operated on all trading days of the Exchange in Chicago
     for the following hours of operation:

     Operation                                     Time

     General operation (including batch runs)      from Sunday 7:00 p.m. to
                                                   Friday 8:00 p.m.
                                                   (Chicago time)
     Online operation (batch runs are, therefore,  8:00 p.m. on each trading
     possible from 4:00 p.m. on a trading day to   day to 4:00 p.m. on the
     8:00 p.m. on a trading day)                   next trading day (Chicago
                                                   time)

     Notwithstanding the foregoing chart, the System will not be available for
     batch or online work from 8:00 p.m. on Friday to 7:00 p.m. (Chicago time)
     on Sunday; these times are intended for regularly scheduled maintenance.

1.2  Technical Helpdesk

     The Technical Helpdesk is manned from Sunday 7:00 p.m. to Friday 8:00 p.m.
     (Chicago Time).
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                                                                             -2-

2.   System Availability

2.1  Calculation of Actual Availability

     The actual availability of the System during the scheduled service times
     set forth in Clause 1.1 will be calculated for each calendar month
     according to the following formula:

                (   Sum [Down Time for Each MISS]   )
     AV = 100%* (1- ______________________________  )
                (   MISSs* 1,200 min*  Trading days )

       Variable                     Description

       AV                           Availability of the System in percent in
                                    respective month
       Down Time for Each MISS      minutes in each calendar month for which
                                    each MISS is not in operation during the
                                    Service Times for online operations
       #MISSs                       Total number of connected MISSs in
                                    production in the respective month
       #Trading days                Number of trading days in respective
                                    month

     Lack of availability resulting from poor performance by the
     telecommunications carriers will not be taken into account when calculating
     actual availability.  However, if DBS receives any indemnification from the
     carriers, this will be for the account of CBOT or its designee.

     Lack of availability due to data errors by parties other than DBS will not
     be taken into account.

2.2  Performance Credits

     If the actual availability (AV) of the System is less than [**] in any
     calendar month commencing with the first full calendar month after the
     System has been placed in production (currently scheduled for 25 August
     2000), DBS will pay the following Performance Credits to CBOT or a party
     designated by CBOT.

          Actual Availability          Performance Credit for each [**]% (or
          in a Calendar Month          portion thereof)

          between [**]% and [**]%      [**]
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                                                                             -3-

          between [**]% and [**]%      [**]

2.3  Early Termination Right

     If the actual availability (AV) is less than [**]% in any two months during
     any four month period, or if the actual availability is less than [**]% in
     any single month, CBOT (or the party operating the Exchange in Chicago) can
     terminate its participation in the Systems Operations Agreement by giving
     written notice of termination to DBS within two weeks after the conclusion
     of the Project Problem procedures concerning the lack of availability.  The
     notice will take effect at the end of the first full calendar month
     following the month in which the notice is received.  Such notice will
     constitute termination for cause (Clause 18.1).

3.   Technical Helpdesk Availability

3.1  Calculation of Actual Technical Helpdesk Availability

     The actual Technical Helpdesk Availability (HA) during the scheduled
     service times set forth in Clause 1.2 will be calculated for each calendar
     month according to the following formula:

                (     # Successful Calls      )
     HA = 100%* (1- _________________________ )
                (     # Total Number of Calls )

           Variable                 Description

           HA                       actual Availability of the Technical
                                    Helpdesk in percent in respective month
           #Successful Calls        Number of calls taken by the Technical
                                    Helpdesk agents  in the respective month
           #Total Number of Calls   Total Number of calls to the Technical
                                    Helpdesk in the respective month

     The number of Successful Calls and the Total Number of Calls will be
     measured by DBS's telephone equipment.  A Successful Call means that the
     person requesting service is

         .   connected directly with an English speaking staff member of the
             Technical Helpdesk, or
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                                                                             -4-

         .    connected with an automated voice message in English which
              provides sufficient information about the type, extent and
              probable duration of a System failure (e.g., failure of the
              backend), or

         .    conducted into a waiting loop and is informed by an automated
              voice message in English that currently all agents are busy and
              the caller will be connected as soon as possible with the next
              available agent. If the person requesting service hangs up more
              than one minute after the automated voice message has concluded,
              the attempted contact will be registered in the Total Number of
              Calls but not in the number of Successful Calls; if the person
              requesting service hangs up before the minute has passed, the call
              will not be registered in the Total Number of Calls. The person
              requesting service is connected to an automated voice message
              which provides sufficient information about the type, extent and
              probable duration of a System failure (e.g. failure of the
              backend) with a duration of more than one minute, these calls will
              also be registered in the Total Number of Calls even if the call
              was not connected to a staff member.

3.2  Performance Credits

     If the actual availability (HA) of the Technical Helpdesk in any calendar
     month is less than [**]% in any calendar month commencing with the first
     full calendar month after the System has been placed in production
     (currently scheduled for 25 August 2000), DBS will pay the following
     Performance Credits to CBOT or a party designated by CBOT.

        Actual Availability          Performance Credit for each [**]% (or
        in a Calendar Month          portion thereof)

        Between [**]% and [**]%      [**]
        Between [**]% and [**]%      [**]

4.   System Performance

4.1  Performance Criteria

     DBS will provide a performance system for trading products electronically.
     The System's performance will be measured as the average host roundtrip
     time per 20h-trading day and the time needed to process [**] of all
     transactions.  The host roundtrip time is measured as the time a
     transaction needs for processing and transmission from entering the backend
     until leaving the backend.
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                                                                             -5-

     The current performance criteria is set to [**] seconds for the average
     host round trip time per 20-hour trading day and [**] seconds for [**] of
     all transactions.

     After the System is in production DBS and LLC will annually agree on the
     performance criteria on the basis of the current transaction volumes,
     number of Participants, number of products, number of series and other
     factors to be defined during the parties' annual negotiations.

5.   Delivery Times

5.1  New Access Points

     For establishing an additional Access Point consisting of two
     communications servers and four routers (maintained in a redundant
     structure of one server and two routers each at two physically separate
     locations) within the same premises as an existing Access Point, the
     maximum delivery time is [**]. Delivery times for additional Access
     Points in new premises should be agreed in the corresponding Change
     Requests, although this may not always be possible due to circumstances at
     the location (e.g., availability of leased space, local equipment
     suppliers' delivery times, availability of local subcontractors).  If an
     agreed delivery time for an Access Point is exceeded, DBS will pay to the
     party(ies) who ordered the Access Point a Performance Credit of [**] for
     each commenced week up to a total of [**].

6.   General Assumptions

     All Service Levels are based on the following volume and transaction
     assumptions.

            .   No Market makers/quotes

            .   No unlimited feed by electronic order routing systems

            .   No batch processed order routing systems; only continously
                loaded order routing systems

            .   [**] Members at maximum

            .   [**] Futures Products at maximum

            .   [**] Options Products at maximum

            .   [**] Series per Option at maximum
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                                                                             -6-

            .   [**] Orders/sec (peak) in the most liquid futures product at
                maximum

            .   [**] Orders/sec (peak) in all futures product at maximum

            .   [**] Orders/sec (peak) in the most liquid options product at
                maximum

            .   [**] Orders/sec (peak) in all options product at maximum

            .   [**] Orders/sec (average per 20h-trading day) in the most liquid
                futures product at maximum

            .   [**] Order/sec (average per 20h-trading day) in all futures
                product at maximum

            .   [**] Orders/sec (average per 20h-trading day) in the most liquid
                options product at maximum

            .   [**] Order/sec (average per 20h-trading day) in all options
                product at maximum

            .   [**] Full-trades/sec (peak) in the most liquid product at
                maximum

            .   [**] Full-trades/sec (peak) in all products at maximum

            .   [**] Full-trades/sec (average) in the most liquid product at
                maximum

            .   [**] Full-trade/sec (average) in all products at maximum

            .   [**] Orders/20h-trading day at maximum

            .   [**] Full-trades/20h-trading day at maximum

            .   Only regular procedure trading days will be taken into account,
                e.g. trading days with market supervision or non system
                interface induced problems will not be taken into account.

     DBS will monitor whether the operation of the System is within the above
     volumes and transaction assumptions.   DBS will report monthly to LLC and
     Eurex Zurich about the monitored System information.  If the volumes and
     transaction assumptions are exceeded in any month and if this causes non-
     compliance with a service level, DBS will not be liable for any payments
     under this Schedule 10.1 relating to the non-compliance.  However, DBS will
     propose measures to
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                                                                             -7-

     accomodate increased volumes and changes in the transaction assumptions in
     order to again reach the guaranteed service levels.

     The parties will conduct annual contract reviews and will examine the
     historical production data which are then available.  Based on these
     reviews, the parties will adjust the agreed service levels.
<PAGE>

                                                                             -1-

                                                                   SCHEDULE 12.2

                             List of Key Personnel

                                LLC                             DBS

Program Manager      Jim Amaral       Jurg Spillmann     Frank Gerstenschlager
                     tbd              Tbd                Thomas Lenz
                     tbd              Tbd                Thomas Koster
                     tbd              Tbd                Hanno Klein
                                                         Markus Toporowski
                                                         Matthias Kluber
                                                         Dr. Gerd Kobschall
                                                         Dr. Peter Neuser<PAGE>

                                                                   Exhibit 10.24

$10,000,000.00
                                                                  March 30, 2001

                                                               Chicago, Illinois

                                PROMISSORY NOTE

FOR VALUE RECEIVED, the undersigned, jointly and severally if more than one,
promises to pay to the order of Hitachi Credit America Corp., its successors or
assigns, at 777 West Putnam Avenue, Greenwich, Connecticut 06830 or such other
place as the holder hereof may from time to time designate in writing, the
principal sum of Ten Million Dollars and No Cents ($10,000,000.00), plus
interest on the unpaid principal balance at the rate of eight and one-quarter
percent (8.25%) per annum.  Interest shall be calculated on the basis of the
actual number of days elapsed over a year of 365 days.  Equal monthly
installments of principal and interest in the amount of $314,660.23 will be due
on the first day of every month, beginning May 1, 2001, and every month
thereafter, until April 1, 2004, when the final payment shall be due, which
shall include all remaining principal, accrued interest, and any unpaid charges
and fees.

The above monthly installments may be adjusted from time to time to amortize the
remaining principal balance in equal monthly installments over the remaining
term of the loan.

Payments, when made, shall be applied to the remaining payments in order of
maturity.

Failure to make any payment when due, or any default under any encumbrance or
agreement securing this Note, or a default in the performance of any other
obligation, whether now in existence or arising hereafter, owed by the
undersigned or its assignee to the holder hereof, shall cause the entire
remaining unpaid balance of principal and interest to be declared immediately
due and payable at the option of the holder of this Note without notice or
demand.

The undersigned and any endorser or guarantor of this Note each hereby waives
presentment for payment, demand, protest, notice of non-payment or dishonor,
notices of protest and all other demands and notices in connection with the
delivery, performance and enforcement of this Note and waive all defenses that
may be based on suretyship or impairment of collateral. This Note shall bear
interest at the rate of three percent (3.0%) per annum above the interest rate
otherwise payable under the terms of this Note, or the maximum permitted by
applicable law, whichever is less (the "Default Rate"), after the maturity
hereof or following an event of default hereunder until paid in full.

In the event the holder of this Note shall employ counsel to collect this
obligation or to administer, protect or foreclose the security given in
connection herewith, the undersigned, jointly and severally if more than one,
agrees to pay reasonable attorney's fees for services of such counsel whether or
not suit is brought plus costs incurred in connection herewith.

The undersigned may, at its option, upon notice as provided below, prepay at any
time on or after March 30, 2002, all, or from time to time any part of this
Note, in an amount not less than $250,000 in the case of a partial prepayment,
at 100% of the principal amount so prepaid, together with interest accrued
thereon to the date of such prepayment, plus the Make-Whole Amount (defined
below) determined for the prepayment date with respect to such principal amount.
The undersigned will give the holder of this Note written notice of each
optional prepayment not less than 10 days and not more than 60 days prior to the
date fixed for such prepayment.  Each such notice shall specify such prepayment
date, the aggregate principal amount of the Note to be prepaid on such date (the
"Prepaid Principal Amount"), and the interest and the Make-Whole Amount (which
shall be an estimated Make-Whole Amount based on the assumption that the date of
such notice were the prepayment date and shall include a detailed calculation

                                       1
<PAGE>

thereof) to be paid on such prepayment date with respect to such Prepaid
Principal Amount.  One Business Day prior to the date for such prepayment, the
undersigned will give the holder of the Note written notice of the Make-Whole
Amount to be paid on the prepayment date with respect to such Prepaid Principal
Amount, which notice shall include a detailed calculation thereof.

"Make-Whole Amount" means an amount equal to the excess, if any, of the present
value of the remaining scheduled, unpaid monthly installments of principal and
interest discounted at a rate which is 75 basis points over the closing asked
yield of the 4 3/4% Feb. '04 U.S. Treasury Note as reprinted in The Wall Street
Journal on the date of prepayment, over the book amount of principal being
prepaid. In no event shall the Make-Whole Amount be less than $0.

If suit is instituted to enforce the terms of this Note, the Courts of the State
of Illinois and the Federal Courts located in the State of Illinois shall have
non-exclusive personal jurisdiction over the undersigned, and the venue of the
suit, at the option of the holder of this Note, may be laid in Cook County,
Illinois.  The undersigned agrees not to claim that Illinois is an inconvenient
place for trial.

THIS NOTE SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH THE SUBSTANTIVE
LAWS OF THE STATE OF ILLINOIS.

If this Note is mutilated, lost, stolen or destroyed, then upon surrender
thereof (if mutilated) or receipt of evidence and indemnity (if lost, stolen or
destroyed) the undersigned shall execute and deliver a new note of like tenor,
which shall show all payments which have been made on account of the principal
hereof.

The undersigned hereby agrees and consents that, in addition to any methods of
service of process provided for under applicable law, all service of process in
any such suit, action or proceeding in any state or federal court sitting in the
State of Illinois may be made by certified or registered mail, return receipt
requested, directed to the undersigned at the following address:

THE UNDERSIGNED HEREBY WAIVES, TO THE EXTENT PERMITTED BY LAW, TRIAL BY JURY AND
ALL RIGHTS TO ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES.

BOARD OF TRADE OF THE CITY OF CHICAGO               WITNESS/ATTEST

By:         /s/ David J. Vitale                   /s/ [illegible]
            -------------------                   ------------------------
Print Name:  David J. Vitale
            -------------------

Title:       President and CEO
            ---------------------

                                       2

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