OPTIMARK TECHNOLOGIES INC
10-12G/A, EX-10.19, 2000-06-16
BUSINESS SERVICES, NEC
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                                                                  EXHIBIT 10.19
                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                                   AGREEMENT

                        (Table of Contents is attached)

                  This AGREEMENT (the "Agreement") is entered into and
effective as of the "Effective Date" (as defined in Section 17.1) by and
between IBM Canada Limited ("IBM Canada"), a corporation having an address at
3600 Steeles Avenue East, Markham, Ontario LJR 927 Canada, and ISM Information
Systems Management Corporation ("ISM"), a Saskatchewan corporation having an
address at 245 Consumers Road, North York, Ontario M2J IR3 Canada (IBM Canada
and ISM, collectively "IBM") on the one hand, and OptiMark Technologies Inc., a
Delaware corporation having an address at 10 Exchange Place, 12th Floor, Jersey
City, New Jersey 07302 USA ("OptiMark") on the other hand.

                                   WITNESSETH

                  WHEREAS, OptiMark and IBM have discussed OptiMark's licensing
of certain ISM software known as the "ITS Application Product," and the further
development of modifications to the ITS Application Product and additional
software for use in an implementation of OptiMark's proprietary trading system;
the discussions concerning such licensing and development have been
memorialized in various Documents of Understanding, the most recent of which is
Document of Understanding #3 dated August 25, 1998.

                  WHEREAS, for the purpose of development of such software for
the implementation of OptiMark's proprietary trading system and pursuant to
understandings and agreements of confidentiality (which have been recently set
forth in the "Amendment and Restatement of Agreement for the Exchange of
Confidential Information" entered into as of May 29, 1998), OptiMark and IBM
have exchanged confidential information concerning their proprietary technology
and plans which the parties have agreed to maintain in confidence and use only
for purposes of developing the implementation of OptiMark's proprietary trading
system;

                  WHEREAS, the ISM and OptiMark have also entered into an
agreement for the use of other software known as "TMAX-s" and "SIB" with terms
set forth in the "TMAX Agreement" (as defined below);

                  WHEREAS, the parties now wish to set forth the terms for the
licensing and use of the ITS Application Product and other software developed
to implement an embodiment of the OptiMark Proprietary System (the "ITS
Software" and "OPS Modified Work" as defined below);

* This confidential portion has been omitted and filed separately with the
Commission.


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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                  NOW THEREFORE, in consideration of the premises stated in
this Agreement and for other good and valuable consideration, the receipt and
sufficiency of which is hereby acknowledged, the parties agree as follows to
the terms and conditions of this Agreement:


1.0      DEFINITIONS

1.1      AGREEMENTS:  The following agreements are referenced in this Agreement
         as follows:

         a)       "AGREEMENT" means this Agreement and its Schedules A through
                  E which are incorporated as if fully stated in this
                  Agreement;

         b)       "CONFIDENTIALITY AGREEMENT" means the "Amendment and
                  Restatement of Agreement for the Exchange of Confidential
                  Information" entered between IBM and OptiMark as of May 29,
                  1998;

         c)       "MAINTENANCE AGREEMENT" means an agreement which may be
                  entered into between the parties concerning IBM's providing
                  of services for the maintenance of the ITS Software and OPS
                  Modified Work at the First Exchange;

         d)       "MANAGED OPS AGREEMENT" means an "Agreement for Technology
                  Services" which may be entered into between IBM-Canada and
                  OptiMark for the providing of services related to the
                  management and operation of a computer site for the First
                  Exchange (as defined below); and

         e)       "TMAX AGREEMENT" means the "Software License Agreement"
                  signed by ISM and OptiMark June 24 and 25, 1998 respectively,
                  which is referred to in the recitals above.

1.2      "CUSTOMER(S)" means stock exchanges, financial institutions and other
         customers and/or end-users of the OptiMark Proprietary Systems,
         including but not limited to broker-dealers, individual investors,
         boards of trade, and commodities exchanges which are sublicensed under
         and within the ownership and grant of rights set forth herein.

1.3      "IBM-INVOLVED APPLICATIONS" means one or more of the following: the
         ITS Software, the OPS Modified Work, the TMAX Work, and/or the TMAX
         Modified Work.

1.4      "IBM RELATED COMPANY(IES)" means International Business Machines
         Corporation (New York, U.S.A.) and any entity:



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                  (1)      a majority of whose voting shares or securities are;
                           or

                  (2)      which does not have voting shares or securities, but
                           a majority of the right to make decisions for such
                           entity is;

         now or hereafter, owned or controlled, directly or indirectly, by
         International Business Machines Corporation, but such entity shall be
         deemed to be an IBM Related Company only so long as such ownership or
         control exists.

1.5      IMPLEMENTATIONS:  The following implementations are referenced in this
         Agreement as follows:

         a)       "FIRST EXCHANGE" or "PACIFIC EXCHANGE" means the
                  implementation of an OptiMark Proprietary System for the
                  trading of securities via the Pacific Exchange, scheduled to
                  go on-line on the Launch Date (defined below).

         b)       "ADDITIONAL EXCHANGE(S)" means the implementation of an
                  OptiMark Proprietary System for trading or auction via any
                  exchange other than the Pacific Exchange, such as via NASDAQ,
                  other financial exchanges, Internet merchandise or service
                  exchanges (e.g. "Travelocity"), etc.

1.6.     "ITS APPLICATION PRODUCT" means the software product marketed by IBM
         before the Work Commencement Date to perform functions related to
         integrated trading, which software has been programmed for the Tandem
         computer platform.

1.7      "ITS SOFTWARE" means: (i) the version of the ITS Application Product
         (including without limitation software known as "TMAX-H", but
         excluding the TMAX and other software licensed or owned under the TMAX
         Agreement) in both source and object code forms which existed as of
         the Work Commencement Date (defined below) to be identified in
         Schedule A, including without limitation the software components
         thereof; (ii) documentation related to the ITS Application Product
         described in "(i)" above as of the Work Commencement Date which is
         also to be identified in Schedule A; and (iii) the ITS
         Software-UNIX-Version (as defined in the paragraph below).

         "ITS SOFTWARE-UNIX-VERSION" means the Ported Version of the ITS
         Software described in "(i)" above that is translated into or rewritten
         in the C++ computer programming language code by IBM, that ports the
         functions of such ITS Software written for the Tandem computer
         operating system to the UNIX (AIX version) computer operating systems
         and which IBM will provide to OptiMark as described in Section 3.4.
         The ITS



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



         Software-UNIX-Version does not include any OPS Modifications or any
         Ported Versions of OPS Modifications.

1.8      "LAUNCH DATE" means that date when the OptiMark Proprietary System
         that is currently being developed for the trading of securities via
         the Pacific Exchange first goes on-line for trading of the securities
         of Customers, a date currently contemplated to be on or about January
         15, 1999.

1.9      "OPS MODIFICATION(S)" means any:

         a)       "IBM-MADE MODIFICATION(S)" which means corrections,
                  modifications, enhancements, or other developments to the ITS
                  Software or OPS Modified Work (either the code or
                  documentation)  made by IBM on behalf of OptiMark, or
                  otherwise in connection with any development service provided
                  by IBM for OptiMark made after the Work Commencement Date,
                  whether made before the Effective Date (as defined in Section
                  17.1) or after, including but not limited to: (i)
                  modifications used to create software for any OPS User Server
                  Copies (defined below); (ii) modifications used to create
                  software pursuant to the Maintenance Agreement; and (iii)
                  Ported Versions, excluding the ITS Software-UNIX-Version,  of
                  the corrections, modifications, enhancements or other
                  developments to the ITS Software or OPS Modified Work; or

         b)       "OPTIMARK-MADE MODIFICATION(S)" which means corrections,
                  modifications, enhancements or other developments to the ITS
                  Software or OPS Modified Work (either to the code or
                  documentation) made by OptiMark or any third party on behalf
                  of OptiMark other than IBM, including but not limited to any
                  creation of a Ported Version of the ITS Software or OPS
                  Modified Work, and any corrections, modifications,
                  enhancements or developments made to the ITS Software to
                  create any OPS User Server Copies.

1.10     "OPS MODIFIED WORK" means the ITS Software (including without
         limitation the ITS Software-UNIX-Version) (code and/or documentation)
         as modified, corrected, enhanced, ported or further developed by any
         of the OPS Modifications and any version of the OPS Modified Work
         which is further modified, corrected, enhanced, ported or further
         developed by any of the OPS Modifications.

1.11     "OPS USER SERVER COPY(IES)" means copies of those software components
         of the ITS Software or OPS Modified Work used for Customers to access
         and otherwise use the OptiMark Proprietary Systems and copies of those
         portions of the documentation for the



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

         ITS Software or OPS Modified Work provided to Customers to support
         their use of the OPS User Server Copy software.

1.12     "OPTIMARK AUCTION PROCESS FIELD" means the field of services relating
         to auction-type trading by the matching of orders or requests using
         satisfaction density profiles and the like and specifically includes,
         for example and without limitation, the field of financial services
         and the trading of securities.

1.13     "OPTIMARK LICENSABLE MODIFICATION ELEMENTS" means those software code
         module elements of the OPS Modifications existing on the Launch Date,
         and which are selected thereafter by mutual agreement of the parties
         (and pursuant the procedure outlined in Schedule B) to be licensed to
         IBM for IBM's use pursuant to Section 2.3 of this Agreement, it being
         provided however, that the OptiMark Licensable Modification Elements
         shall specifically exclude the OptiMark Proprietary Elements (whether
         in source or object code form), if any, which might otherwise have
         been included as part of the OptiMark Licensable Modification
         Elements, and all documentation related thereto, if any. Those
         selected software code module elements shall be identified promptly
         after the entire selection is complete in writing as determined
         pursuant to Schedule B of this Agreement.

1.14     "OPTIMARK NEW WORK" means software that OptiMark may create, develop
         or acquire which does not incorporate any ITS Software code, except
         for code which executes standard routines (whether or not it is used
         in ITS Software). OptiMark may freely use OptiMark New Work (for
         example as an alternative in whole or in part to the ITS Software,
         defined below); and, in particular, it is agreed between the parties
         that OptiMark shall be free to create, develop, market, acquire, use,
         and otherwise exploit such OptiMark New Work, and to permit others to
         do so, without any restriction or the requirement of any further
         agreement or license even though, for example, there may be
         functional, design or other similarity between the OptiMark New Work
         and the ITS Software and/or the OPS Modified Work, or the OptiMark New
         Work may have been created by persons who had knowledge of such work,
         or the OptiMark New Work may function with the ITS Software or OPS
         Modified Work in whole or in part.

1.15     "OPTIMARK PROPRIETARY ELEMENT(S)" means those computer software
         elements in code and design that relate to any OptiMark proprietary
         aspect of the OptiMark Proprietary Systems, (as defined below),
         including, for example, any element related to satisfaction density or
         other trading profiles, message elements related to such satisfaction
         density or other trading profiles, elements related to OptiMark's
         graphical user interface or



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         proprietary messaging protocols or elements related to any aspect of
         OptiMark's technology for matching trading profiles and executing
         trades based thereon.

1.16     "OPTIMARK PROPRIETARY SYSTEM(S)" means systems that OptiMark develops,
         creates or acquires to implement its proprietary technology for
         trading or auctioning in the OptiMark Auction Process Field.


1.17     "OPTIMARK RELATED COMPANY(IES)" means OptiMark Technologies, Inc.
         (Delaware, U.S.A.) and any entity:

                  (1)      a majority of whose voting shares or securities are;
                           or

                  (2)      which does not have voting shares or securities, but
                           a majority of the right to make decisions for such
                           entity is;

         now or hereafter, owned or controlled, directly or indirectly, by
         OptiMark Technologies, Inc., but such entity shall be deemed to be an
         OptiMark Related Company only so long as such ownership or control
         exists.

1.18     "PERSON(S)" includes an individual, corporation, partnership, joint
         venture, trust, unincorporated organization, a government or any
         agency or instrumentality thereof or any other entity recognized by
         law.

l.19     "PORTED VERSION" means a translation of a computer program in another
         program language or any other modification of a computer program work
         so that it will operate with substantially similar functionality on
         computers or with operating systems that are different than those it
         was initially intended to operate. Specifically, and by way of
         example, the ITS Software-UNIX-Version is a Ported Version for the
         UNIX (AIX version) computer operating system, as described in Section
         1.7 above, and which IBM will provide to OptiMark as described in
         Section 3.4.

1.20     "WORK COMMENCEMENT DATE" means the date when IBM commenced any
         development work on behalf of OptiMark which is agreed to be on
         November 1, 1996.



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



2.0      GRANT OF LICENSE/ASSIGNMENT AND GRANT BACK/PERMITTED USE

2.1      a)       Subject to the terms and conditions of this Agreement, IBM
                  grants to OptiMark a non-exclusive, worldwide, perpetual,
                  irrevocable (except to the extent monies are not paid
                  pursuant to Section 4.1) assignable license under all
                  copyright and any other intellectual property rights in, to
                  and under the ITS Software to create derivative works of the
                  ITS Software (alone or in conjunction with IBM or other third
                  parties) and to make, use, import, export, reproduce,
                  display, perform, internally distribute copies in source code
                  form, distribute source code copies (as provided in Sections
                  5.1 and 15.6), and otherwise distribute copies in object code
                  form of both the ITS Software and the derivative works of the
                  ITS Software, but only for use in conjunction with OptiMark
                  Proprietary Systems, with the right to sublicense third
                  parties to do any of the foregoing.

         b)       The OptiMark Related Companies are hereby sublicensed under
                  all of the rights granted above to OptiMark, provided that
                  OptiMark shall also be responsible for OptiMark Related
                  Companies' compliance with Article 15.0 in this Agreement.

         c)       The grant of rights and licenses to the ITS Software in
                  Section 2.1.a) above includes a nonexclusive, worldwide,
                  perpetual, irrevocable, paid-up license under any patents and
                  patent applications that are owned or licensable by IBM now
                  or in the future and are: (i) required to make, have made,
                  use and have used, import or sell the ITS Software and its
                  derivative works, including e.g. the OPS Modified Work; or
                  (ii) required to license or transfer the ITS Software or its
                  derivative works.  The license scope is to make, have made,
                  use, have used, sell, import, license or transfer software
                  and other items, and to practice and have practiced methods,
                  and sublicense, to the extent of the licenses hereof.

2.2      a)       IBM hereby irrevocably assigns, sells, transfers, grants and
                  conveys to OptiMark: all of the entire right, title and
                  interest in, to and under all copyright and other
                  intellectual property rights: (i) in and to all IBM-Made
                  Modifications created since the Work Commencement Date or
                  created in the future either pursuant to the Maintenance
                  Agreement or otherwise made by IBM on behalf of OptiMark; and
                  (ii) any resulting OPS Modified Work except for patents
                  (which are licensed to OptiMark under Section 2.1.c)); and,
                  in addition, it is understood that OptiMark is the owner of
                  the entire right, title and interest in, to and under all
                  copyright and other intellectual property rights in the
                  OptiMark-Made Modifications.  It being understood by the
                  parties that the assignment in this Section 2.2.a) does not
                  apply



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  to the ITS Software and the ITS Application Product, which
                  are licensed rather than assigned.

         b)       If an invention or a patent would be created or granted as a
                  result of the work performed by IBM employees or its agents,
                  subcontractors or consultants, in the course of making
                  IBM-Made Modifications, IBM will consult with and pursue good
                  faith discussions with, OptiMark with a view towards granting
                  rights to OptiMark, in addition to the above patent licenses,
                  if IBM files patent applications under such inventions.

2.3      a)       Subject to the terms and conditions of this Agreement,
                  OptiMark grants to IBM a non-exclusive, worldwide, paid-up,
                  royalty-free, perpetual, irrevocable, assignable license
                  under all copyright and any other intellectual property
                  rights in the OptiMark Licensable Modification Elements for
                  all use and fields except the OptiMark Auction Process Field,
                  to create derivative works of the OptiMark Licensable
                  Modification Elements (alone or in conjunction with third
                  parties), and to make, use, import, export, reproduce,
                  display, perform, internally distribute copies in source code
                  form, distribute source code copies (as provided in Sections
                  5.2. and 15.6), and otherwise distribute copies in object
                  code form, of both the OptiMark Licensable Modification
                  Elements and derivative works of the OptiMark Licensable
                  Modification Elements, with the right to sublicense third
                  parties to do any of the foregoing.

         b)       The IBM Related Companies are hereby licensed under all of
                  the rights granted above to IBM, provided that IBM shall also
                  be responsible for IBM Related Companies' compliance with
                  Article 15.0 in this Agreement.

2.4      It is agreed between the parties that OptiMark needs no further
         agreement or license from IBM for the creation, development,
         marketing, acquisition, use, or other exploitation of any OptiMark New
         Work as set forth in Section 1.14, or permitting others to engage in
         the same activities.

2.5      OptiMark's right to use the ITS Software is limited to those rights
         expressly set out in this Agreement. IBM's right to use the OptiMark
         Licensable Modification Elements is limited to those rights expressly
         set out in this Agreement.





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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


3.0      DELIVERY/ PORTING BY IBM

3.1      Upon execution of this Agreement, IBM shall deliver to OptiMark one
         copy of the source code and object code forms of the ITS Software (and
         the related documentation), and all IBM-Made Modifications together
         with all versions of the OPS Modified Work held by IBM created up to
         the date of delivery (and related documentation), (collectively, the
         "Materials"). OptiMark shall take delivery of the Materials in
         Toronto, Ontario, Canada, and OptiMark shall be responsible for all
         necessary customs documentation and importing costs for importing the
         Materials into the United States of America. It is acknowledged by the
         parties that as of the Effective Date, IBM has not delivered IBM-Made
         Modifications that meet the performance goals specified in Schedule D.


3.2      Upon agreement of the parties (cf. Section 1.13), OptiMark shall
         deliver to IBM one copy of the OptiMark Licensable Modification
         Elements in source code and object code and one copy of the
         documentation relating to such OptiMark Licensable Modification
         Elements. IBM shall take delivery of such OptiMark Licensable
         Modification Elements (both software and documentation) in Jersey
         City, New Jersey or New York, New York, U.S.A. and IBM shall be
         responsible for all necessary customs documentation and importing
         costs for importing the OptiMark Licensable Modification Elements into
         Canada.

3.3      Should IBM make additional IBM-Made Modifications, pursuant to the
         Maintenance Agreement (or other agreement), the parties shall agree in
         writing as to which portions of such IBM-Made Modifications can be
         delivered to IBM and licensed for IBM's use (e.g. such as pursuant to
         Section 2.3), provided however that in no event shall any software or
         other material which contains or embodies any OptiMark Proprietary
         Elements be delivered or licensed to IBM, or be used by IBM.

3.4      IBM agrees that at no cost to OptiMark, IBM shall deliver to OptiMark
         in source and object code forms, the ITS Software-UNIX-Version (as
         described in Section 1.7) either: (i) promptly after such a Ported
         Version is developed and used by IBM for its intended purposes or made
         available by IBM to any third party for the same; or (ii) otherwise as
         IBM and OptiMark may both agree. The parties acknowledge that the ITS
         Software-UNIX-Version is licensed to OptiMark under Article 2.0 of
         this Agreement as part of ITS Software, and the Ported Versions of the
         OPS Modifications and the resulting OPS Modified Work are owned by
         and/or licensed to OptiMark under Article 2.0 of this Agreement. Any
         license fee owing for all uses of such Ported Versions, including the
         ITS Software-UNIX-Version, are determined by Schedule C as part of OPS
         Modifications and OPS Modified Work.



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


4.0      PROVISIONS FOR OPTIMARK'S USE

4.1      FEES: For those uses of the ITS Software and the OPS Modified Work
         which are set forth in Schedule C, OptiMark shall pay to ISM the fees
         set forth in Schedule C, it being understood by the parties that
         OptiMark shall owe no new or additional fees for any uses of the ITS
         Software and the OPS Modified Work outside of the fees set forth in
         Schedule C (including without limitation uses of Ported Versions
         thereof).

4.2      DEVELOPMENT: Without limiting any rights and licenses granted to
         OptiMark under Article 2.0, but subject to the terms of this
         Agreement, OptiMark shall be free to further modify and develop the
         ITS Software and the OPS Modified Work and create, develop and acquire
         OptiMark New Work (e.g., to replace all or part of the OPS Modified
         Work) for on-line implementations at the First Exchange or for
         Additional Exchanges. OptiMark may perform the future development work
         either: (i) by itself; (ii) with IBM (e.g. pursuant to further
         development agreements); and/or (iii) with third parties other than
         IBM. If IBM and OptiMark agree that IBM shall perform any further
         development of the ITS Software and OPS Modified Work for the First
         Exchange or any Additional Exchanges, the terms of that development
         and fees paid for such development work shall be specified in a
         subsequent agreement, however, the fees paid to IBM for the on-line
         use of the ITS Software and OPS Modified Work at the First Exchange or
         at each Additional Exchange shall be governed by the fee schedule in
         Schedule C.

4.3      MAINTENANCE: The parties may agree that IBM shall maintain the ITS
         Software and/or the OPS Modified Work installed at the First Exchange
         or pursuant to the Maintenance Agreement or maintain the ITS Software
         and/or the OPS Modified Work installed at one or more Additional
         Exchanges pursuant to other like agreements.


4a.0     TECHNICAL REPRESENTATIVE

4a.1     Upon execution of this Agreement, each Party shall designate a person
         (the "Technical Representative") who shall be contacted at the place
         of notice, as set forth in Section 19.1 for notice of technical
         matters, and who shall review with his or her counterpart, at least
         once per month during the term of this Agreement, the technical status
         of the ITS Software and any problem, error, bug or other issue or
         concern that may arise with respect to the ITS Software.  If an issue
         is raised by one Technical Representative, it shall be addressed
         without delay, taking into account the severity of the issue and the


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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

         consequences to the affected party, and, where applicable, be brought
         to the attention of senior management of the appropriate Party for
         correction, in accordance with this Agreement.

4a.2     All communications of a technical nature shall be directed or copied
         to the Technical Representative of one Party by the Technical
         Representative of the other Party to ensure efficient handling of any
         issue that may arise.

5.0      OBLIGATIONS

5.1      a)       OptiMark agrees that it shall not provide the source code of
                  the ITS Software or the OPS Modified Work (or any
                  non-published documentation thereof) to any third party other
                  than: (i) the OptiMark Related Companies (sublicensed under
                  Section 2.1.b); or (ii) third party consultants, agents and
                  sublicensees, who have a need for the source code within the
                  scope of the license grant in Section 2.1 and which have
                  executed an agreement to protect and maintain such work in
                  confidence as provided for under Section 15.3.a).  OptiMark
                  may distribute the source code of such work to those of its
                  employees who need to use such source code for purposes
                  contemplated by the grant of license and rights to OptiMark
                  in this Agreement.  OptiMark agrees that it shall ensure that
                  any such software included in any OPS User Server Copies
                  shall be distributed in confidence and as a general policy in
                  object code form, and the source code for such OPS User
                  Server Copies shall be distributed only to Customers who have
                  a need within the grant to OptiMark in Sections 2.1 and 2.2
                  to review, test or modify the source code and who agree in a
                  written agreement as provided in Section 15.3.a) to protect
                  and maintain the source code in confidence.

         b)       OptiMark agrees that it shall not use, license or otherwise
                  exploit the ITS Software for any purpose not in conjunction
                  with the OptiMark Proprietary Systems.

5.2      a)       IBM agrees that it shall not provide the source code of the
                  OptiMark Licensable Modification Elements to any third party
                  other than: (i) the IBM Related Companies (sublicensed under
                  Section 2.3.b)); or (ii) third party consultants, agents and
                  sublicensees, who have a need for the source code within the
                  scope of any grant to IBM under Section 2.3 and who have
                  executed an agreement to protect and maintain OptiMark
                  Licensable Modification Elements in confidence as provided in
                  Section 15.4.a). IBM may distribute the source code of the



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                          (OPTIMARK/IBM OPS AGREEMENT)


                  OptiMark Licensable Modification Elements to those of its
                  employees who need to use the source code for purposes
                  contemplated by grant of license and rights to IBM in this
                  Agreement.

         b)       IBM agrees that should any part of the OptiMark Licensable
                  Modification Elements be distributed to customers or other
                  sublicensees of IBM (and for just one example, if any part of
                  the OptiMark Licensable Modification Elements be included in
                  any user server copies of IBM software), it shall be
                  distributed in confidence and as a general policy in object
                  code form and the source code for such OptiMark Licensable
                  Modification Elements shall be distributed only to those
                  customers who have a need within any grant to IBM under
                  Section 2.3 to review, test or modify the source code and who
                  agree in a written agreement as provided in Section 15.4.a)
                  to protect and maintain the source code in confidence.

5.3      IBM and OptiMark agree that:

         a)       OptiMark may distribute as provided in this Agreement the OPS
                  Modified Work with OPS User Server Copies under OptiMark's
                  company name, trademarks and copyright notices, provided
                  however that IBM's company name, trademarks and copyright
                  notice must also appear in conjunction with OptiMark's
                  notices;

         b)       IBM may distribute, as provided in this Agreement, the
                  OptiMark Licensable Modification Elements which contains any
                  ITS Software and any work that is derived by IBM therefrom,
                  under IBM's company name, trademarks and copyright notices,
                  provided however that: (i) for OptiMark Licensable
                  Modification Elements, the OptiMark company name, trademark
                  and copyright notices must appear in conjunction with IBM's
                  notices; and (ii) for IBM's derivative works, the OptiMark
                  company name and copyright notices must appear in conjunction
                  with the IBM company name and copyright notices, but only if
                  and to the extent requested by OptiMark, OptiMark's trademark
                  notice must also appear in conjunction with IBM's trademark
                  notice; and

         c)       For the purposes of verifying compliance with this Agreement:

                  (i)      Upon written inquiry, OptiMark will provide
                           reasonable information and reasonable responses to
                           IBM's inquiries concerning OptiMark's licensing,
                           sublicensing and contracting with third parties,
                           which involves third party access, use and/or
                           further development of IBM code licensed under this
                           Agreement.



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  (ii)     Upon written inquiry, IBM will provide reasonable
                           information and reasonable responses to OptiMark's
                           inquiries concerning IBM's licensing, sublicensing
                           and contracting with third parties, which involves
                           third party access, use and further development of
                           the OptiMark Licensable Modification Elements
                           licensed under this Agreement.

5.4      a)       OptiMark is an independent contractor and is not a legal
                  representative or an agent of IBM for any purpose. OptiMark
                  shall not make any warranties, representations or create any
                  obligations on IBM's behalf to third parties and
                  documentation and software distributed by OptiMark to third
                  parties shall not include any statements, representations or
                  warranties purporting to be made by IBM.

         b)       IBM is an independent contractor and is not a legal
                  representative or an agent of OptiMark for any purpose. IBM
                  shall not make any warranties, representations or create any
                  obligations on OptiMark's behalf and documentation and
                  software distributed by IBM to third parties shall not
                  include any statements, representations or warranties
                  purporting to be made by OptiMark to third parties.

6.0      ACCESS BY CUSTOMERS

6.1      OptiMark may provide OPS User Server Copies to Customers.


7.0      INTELLECTUAL PROPERTY OWNERSHIP

7.1      a)       IBM and the IBM Related Companies are the owners of all
                  intellectual property in or to the ITS Software or practiced
                  by it in its operation (software and documentation) and
                  related written materials, logos, names and other support
                  materials which IBM has the right to provide to OptiMark
                  pursuant to the terms of this Agreement.  OptiMark
                  acknowledges that the ITS Software is proprietary to IBM and
                  the IBM Related Companies.  No title to the intellectual
                  property owned by IBM and the IBM Related Companies in the
                  ITS Software or in any magnetic media or other physical media
                  provided therewith is transferred to OptiMark by IBM under
                  this Agreement.




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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         b)       OptiMark is the owner or licensee of all intellectual
                  property in or to the OPS Modifications, the OPS Modified
                  Work, the OptiMark Licensable Modification Elements (provided
                  under Section 3.2 of this Agreement) or practiced by them in
                  their operations.  IBM acknowledges that the OPS
                  Modifications, the OPS Modified Work, and the OptiMark
                  Licensable Modification Elements are proprietary to OptiMark,
                  in addition to and as part of the OptiMark Proprietary
                  Systems.  No title to the intellectual property in the OPS
                  Modifications, the OPS Modified Work, the OptiMark Licensable
                  Modification Elements, or the OptiMark Proprietary Systems or
                  in any magnetic media or other physical media provided
                  therewith is transferred to IBM by OptiMark under this
                  Agreement.

7.2      a)       IBM agrees not to remove or destroy or to allow the removal
                  or destruction of any proprietary markings or confidential
                  legends placed upon or contained within the OptiMark
                  Licensable Modification Elements provided under Section 3.2
                  and shall ensure that such proprietary markings or
                  confidential legends are marked on or included in all copies
                  of the OptiMark Licensable Modification Elements software and
                  documentation, and (absent further agreement) of any
                  derivative works.

         b)       OptiMark agrees not to remove or destroy or to allow the
                  removal or destruction of any proprietary markings or
                  confidential legends placed upon or contained within the ITS
                  Software provided under Section 3.1, and shall ensure that
                  such proprietary markings or confidential legends are marked
                  on and included in all copies of the ITS Software, and
                  (absent further agreement) of any derivative works.

7.3      Notwithstanding any other provision of this Agreement, IBM represents
         that if software is hereafter included by IBM in the OPS Modified Work
         or IBM-Made Modifications which is not owned by but only licensed to
         IBM, it will promptly notify OptiMark of such software and certify
         that it is a licensee of such software with the right to include such
         software in the ITS Software and/or IBM-Made Modifications and to
         grant the license and rights as set forth in this Agreement except for
         assignment of title.




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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


8.0      IBM REPRESENTATIONS AND WARRANTIES/LIMITATION OF LIABILITY

8.1      IBM represents and warrants to OptiMark that all rights, title and
         interest, including without limitation all copyright rights and other
         intellectual property and proprietary rights in or to the ITS Software
         and IBM-Made Modifications or practiced by them in their operations,
         are (or in the case of IBM-Made Modifications, will be) owned by IBM
         and the IBM Related Companies, with IBM being fully able to provide
         the grants to OptiMark made herein.

8.2      IBM represents and warrants to OptiMark that to the best of IBM's and
         the IBM Related Companies' knowledge no third party has asserted any
         claim of ownership or of copyright or patent infringement or of
         infringement of any other intellectual property right pertaining to
         any aspect of the ITS Software or IBM-Made Modifications completed as
         of the date of signature of this Agreement and that IBM is aware of no
         such claim which could be made.

8.3      a)       IBM represents and warrants that, for a period of ninety (90)
                  days from the Launch Date or, in the case of Additional
                  Exchanges, from the day determined by the parties for each
                  Additional Exchange as the launch date for such Additional
                  Exchange (the "Warranty Period"), the ITS Software and the
                  IBM-Made Modifications, but not the OptiMark-Made
                  Modifications, in the OPS Modified Work will, if installed
                  properly (or according to IBM written specifications),
                  perform in all material respects according to the detailed
                  design documentation set forth in Schedule E.

         b)       IBM represents and warrants that for a period of ninety (90)
                  days from the launch date on a version of the Tandem
                  Operating System declared to be "Year 2000 ready" by Tandem
                  (the "Y2K-Ready Tandem Operating System"), the ITS Software
                  and the IBM-Made Modifications, but not the OptiMark-Made
                  Modifications, in the OPS Modified Work will, if installed
                  properly (or according to IBM written specifications),
                  perform in all material respects according to the detailed
                  design documentation set forth in Schedule E.

                  OptiMark and IBM, however, agree that: (i) the ITS Software
                  must be tested on the Y2K-Ready Tandem Operating System
                  without delay; (ii) OptiMark will give IBM permission to
                  begin testing as soon as practicable and no later than May
                  30, 1999; and (iii) IBM will use commercially reasonable
                  efforts to test the ITS Software on the Y2K-Ready Tandem
                  Operating System, promptly reporting the



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<PAGE>   16


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  results or findings of their testing to OptiMark as soon as
                  practicable and no later than August 30, 1999.

         c)       The representations and warranties in a) and b) above do not
                  extend to further modifications made by a Person other than,
                  by or on behalf of IBM or an IBM representative, or to the
                  performance of such ITS Software and the IBM-Made
                  Modifications as they have been so further modified by a
                  Person other than, by or on behalf of IBM or an IBM
                  representative, acknowledging, however, that if an error or
                  defect discovered in ITS Software or IBM-Made Modifications,
                  after it has been modified by a Person other than, by or on
                  behalf of IBM or an IBM representative, can be replicated in
                  the original version of the ITS Software or IBM-Made
                  Modifications that were delivered by IBM, then the
                  representations and warranties of this Section 8.3 in a) and
                  b) above shall apply to that error or defect.

         d)       If the parties enter into a Maintenance Agreement, any
                  different terms of such Maintenance Agreement will determine
                  the extent of the warranty.

8.4      EXCEPT AS PROVIDED IN SECTIONS 8.1, 8.2, 8.3, 7.1.a), AND 7.3, IBM
         MAKES NO OTHER EXPRESS WARRANTIES IN THIS AGREEMENT, AND THERE ARE NO
         IMPLIED WARRANTIES OR CONDITIONS, INCLUDING BUT NOT LIMITED TO, THE
         IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABLE QUALITY AND FITNESS
         FOR A PARTICULAR PURPOSE.

8.5      The indemnity and other relief set forth below in Article 9.0 is the
         sole and exclusive remedy for breach by IBM of any representations or
         warranties set forth in Section 8.1. OptiMark shall have all rights
         and remedies available at law and equity for breach of the
         representations and warranties of Section 8.2. The relief set forth
         below in Article 10.0 is the sole and exclusive remedy for breach by
         IBM of the representations and warranties set forth in Section 8.3.

9.0      IBM'S PATENT, TRADE SECRET AND TRADEMARK INDEMNITY/NOTICE OF CLAIMS

9.1      Subject to Section 11.2, IBM will indemnify, defend and hold OptiMark,
         the OptiMark Related Companies, the Customers of each and the
         officers, directors, employees and agents of each (individually and
         collectively, the "OptiMark Indemnitees") harmless from and against
         any and all claims, causes of action, liabilities, damages, costs or
         expenses finally awarded or settled against them or any of them
         (including, without limitation, reasonable legal fees awarded or
         settled against them or any of them) arising out of or



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         resulting from any claim of infringement of a patent, of a copyright,
         of a misappropriation of a trade secret or of any other right alleged
         against the OptiMark Indemnitees and arising out of or from the use or
         exploitation of the ITS Software or the IBM-Made Modifications in the
         OPS Modified Work as permitted under this Agreement by the OptiMark
         Indemnitees, provided that, subject to the provisions set forth in
         Section 9.2, the OptiMark Indemnitees promptly notify IBM of any such
         claim and co-operate with IBM in, and allow IBM to control, the
         defense of any such claim and any related settlement negotiations.

9.2      Using counsel selected by IBM, IBM will assume, at its own cost, a
         prompt, rigorous and full defense and/or a good faith settlement
         (which seeks to maintain OptiMark's rights hereunder) of any claim of
         which IBM is responsible to indemnify under Section 9.1 and OptiMark
         will cooperate reasonably with IBM in connection therewith; except
         that with respect to settlements entered into by IBM: (a) the consent
         of OptiMark will be required if the settlement provides for equitable
         relief against any of the OptiMark Indemnitees; and (b) IBM will
         obtain a full and complete release of the OptiMark Indemnitees from
         the third party claimant(s) concerning any claim which IBM is
         responsible to indemnify under Section 9.1. IBM will keep OptiMark
         reasonably and timely apprised of the events of the defense and/or
         settlement (including without limitation the providing of copies of
         the relevant pleadings, other filings and settlement proposals) and
         IBM shall give full consideration to, and be open to discussion of,
         the views and suggestions of OptiMark (and/or its counsel as provided
         for below in Section 9.3) in proceeding with such defense and/or
         settlement.

9.3      In the defense or settlement of any claim under Section 9.1, and
         subject to Section 11.2, IBM shall promptly reimburse the OptiMark
         Indemnitees for all costs, damages, expenses, legal fees and/or other
         amounts that a court of competent jurisdiction (including without
         limitation any arbitration panel or other tribunal) finally awards
         against any OptiMark Indemnitee and to timely pay all costs, damages,
         expenses, legal fees and/or other amounts agreed to be paid in
         settlement, resulting from a claim indemnified under Section 9.1,
         provided further that IBM will permit OptiMark to participate in the
         settlement or defense of the claims through counsel chosen and paid
         for by OptiMark, and keep such counsel informed as they may request.

9.4      In addition, if any claim or cause of action referred to in Section
         9.1 is made against an OptiMark Indemnitee's use or exploitation of
         the ITS Software or the IBM-Made Modifications in the OPS Modified
         Work as permitted under this Agreement which occasions any material
         risk of an injunction against such use or exploitation, IBM will upon
         notice of the claim of infringement and at no cost to OptiMark either:
         (i) obtain a



                                       - 17 -



<PAGE>   18


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         license from the third party for the OptiMark Indemnitees to continue
         using the accused ITS Software and/or IBM-Made Modifications which
         shall come into effect no later than the earliest effective date of
         any such injunction; and/or (ii) modify the accused ITS Software
         and/or IBM-Made Modifications to avoid such infringement, and use all
         diligent efforts which are not unreasonable to complete such
         modifications before any injunction precluding the use thereof can be
         secured or come into effect, including securing the assistance of the
         IBM Related Companies in so doing.

9.5      In addition to the indemnity provided in Sections 9.1 through 9.4
         above, IBM shall promptly notify OptiMark in writing, should IBM
         receive notice of or become aware of any third party claim or
         assertion against IBM (or the IBM Related Companies) of ownership or
         of copyright or patent infringement or of infringement of any other
         intellectual property right pertaining to any aspect of the ITS
         Software or the IBM-Made Modifications or the use thereof and provide
         a copy of any such claim or assertion (if the claim or assertion is
         provided in writing) or a description thereof (if made orally) and
         upon OptiMark's request, IBM shall provide reasonable responses to
         reasonable OptiMark inquiries concerning such claims or assertions and
         any risk of injunction as perceived by IBM.

9.6      The provisions in Sections 9.1 through 9.5 represent IBM's entire
         obligation to OptiMark regarding any claim for infringement, except as
         set forth in Section 8.5.

9.7      IBM has no obligation under this Agreement regarding any infringement
         claim based on the following:

         a)       any OPS Modifications other than IBM-Made Modifications, or
                  any use of the ITS Software or the IBM-Made Modifications in
                  the OPS Modified Work which is outside the license or grants
                  of this Agreement;

         b)       the combination, operation or use of the ITS Software or
                  IBM-Made Modifications with any product, data, computer
                  equipment or software that IBM did not recommend, intend or
                  provide and which infringement claim would not have been made
                  out by the use of the ITS Software or IBM-Made Modifications
                  with any product, data, computer equipment or communication
                  software that IBM did or does recommend, intend or provide;
                  or

         c)       the combination, operation or use of the ITS Software or the
                  IBM-Made Modifications in the OPS Modified Work with any
                  other software used by OptiMark for trade processing, trade
                  matching and strategizing functions which



                                       - 18 -



<PAGE>   19


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                  IBM does not recommend, intend or provide and which
                  infringement claim would not have been made out by the use of
                  the ITS Software or the ITS Software as modified by IBM-Made
                  Modifications with software which IBM did or does recommend,
                  intend or provide.


10.0     SOFTWARE DEFECTS AND ERRORS

10.1     In the event OptiMark or IBM discovers an error or other defect in the
         ITS Software as modified by the IBM-Made Modifications in the OPS
         Modified Work, IBM's or OptiMark's Technical Representative, shall
         promptly notify the other party's Technical Representative in writing
         and provide as much detail in writing as is available to allow IBM to
         reproduce the error or defect or to demonstrate the problem and its
         foreseeable consequences to OptiMark and to allow OptiMark to make not
         unreasonable efforts to avoid expense, loss, liability or other
         damages which might otherwise result therefrom. If the ITS Software as
         modified by the IBM-Made Modifications in the OPS Modified Work is
         found to not meet the requirements of the detailed design
         documentation as set out in Schedule E within the applicable Warranty
         Period, IBM will use all reasonable efforts taking into account the
         seriousness of the error or other defect, and whether it threatens to
         interrupt use of the OPS Modified Work to promptly correct, at no cost
         to OptiMark (other than reasonable economy travel expenses to
         OptiMark's site, if necessary), programming errors in the ITS Software
         as modified by the IBM-Made Modifications in the OPS Modified Work to
         make them so perform.

         IBM will use all reasonable efforts to initially provide a work around
         or program detour and endeavor to correct the error or defect under
         Section 8.3 above and thereafter, for a program error which cannot be
         corrected by IBM, to implement a problem-avoiding restriction of the
         ITS Software or IBM-Made Modification(s) in the OPS Modified Work. All
         such work arounds, program detours, and problem-avoiding restrictions
         shall be made to preserve the functionality and performance of the
         software in question to the fullest extent possible and shall be made
         to the fullest extent possible to perform or enable the program to
         perform the same or substantially similar functions in the same or
         substantially similar manner as the IBM-Made Modifications and/or the
         ITS Software as modified by the IBM-Made Modifications. The
         expenditures made by IBM under this Section 10.1 shall not be limited
         in any way by the provisions of Section 11.1.

10.2     If IBM is unable within a time reasonable under the circumstances to
         provide the corrections to such ITS Software as modified by the
         IBM-Made Modifications as set forth in Section 10.1, OptiMark shall
         have the option of notifying IBM of OptiMark's



                                       - 19 -



<PAGE>   20

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         intent to correct the problem, providing a correction plan proceeding
         to itself make all efforts which are not unreasonable or inconsistent
         with industry practice to correct such error or defect, and to bill
         IBM net thirty (30) days upon completion for the cost to OptiMark and
         the OptiMark Related Companies of completing the correction, including
         the out-of-pocket costs for replacing the defective part of the OPS
         Modified Work; provided, however, that the amount billed to IBM for a
         correction at any implementation (either at the First Exchange or any
         Additional Exchanges) shall not exceed either: (i) for the First
         Exchange through the Fifth Additional Exchange, the license fee paid
         for the use at that exchange; or (ii) for the use at a particular
         exchange beyond the Fifth Additional Exchange, the license fee paid
         for the use at the Fifth Additional Exchange.

10.3     IBM shall not be liable for any claim to the extent that it is based
         upon and would not have occurred but for OptiMark's modifications of
         the ITS Software or OPS Modified Work or OptiMark's the use of the ITS
         Software or OPS Modified Work outside of the rights and licenses
         granted in this Agreement.

10.4     The remedies set forth in this Article 10 constitute IBM's entire
         liability for any breach of the representations and warranties set
         forth in Section 8.3 except for OptiMark's losses or damages due to
         any gross negligence or intentional misconduct on the part of IBM.


11.0     IBM'S LIMITATION OF LIABILITY

11.1     IBM's aggregate liability for direct actual damages arising out of or
         in connection with IBM's performance or non-performance under this
         Agreement, regardless of the form of action and whether in contract,
         tort (including, without limitation, negligence), warranty or other
         legal or equitable grounds, will be limited to the total amount of
         license fees contemplated under Schedule C actually paid by OptiMark
         to IBM provided that this limitation will not apply to:

         a)       damages for physical harm to persons or tangible personal
                  property and real property caused by IBM's negligence; and

         b)       all damages for which IBM is responsible under Articles 8.0,
                  9.0, 10.0 and 15.0.

11.2     In no event is IBM liable for:

         a)       any special, indirect or consequential damages (other than
                  for physical harm to persons caused by the party's
                  negligence) even if IBM has been advised of the possibility
                  thereof, including but not limited to lost profits, lost
                  business revenue,


                                     - 20 -



<PAGE>   21

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  failure to realize expected savings or loss of, or damage to,
                  OptiMark's records or data, except for OptiMark's losses or
                  damages due to gross negligence or intentional misconduct on
                  the part of IBM; or

         b)       any claims by a third party against OptiMark or any
                  contractor to OptiMark (including, without limitation, claims
                  by a Customer) other than those claims provided for under
                  Article 9.0 or those claims involving a breach of Section 8.2
                  or Article 15.0.

11.3     This Article 11.0 applies to all claims by OptiMark, any Customers and
         any stock exchange and any contractor of OptiMark irrespective of the
         cause of action underlying the claim, including but not limited to:
         (a) breach of contract, even if in the nature of a breach of a
         condition of a fundamental term, or a fundamental breach; or (b) tort,
         including, but not limited to, negligence or negligent
         misrepresentation.


12.0     OPTIMARK WARRANTY/LIMITATION OF LIABILITY

12.1     OptiMark represents and warrants to IBM that it owns sufficient title
         and interest, including, without limitation, copyright rights and
         other intellectual property and proprietary rights, to those
         OptiMark-Made Modifications to the OPS Modified Work which are
         included in the OptiMark Licensable Modification Elements to grant the
         license set forth in Section 2.3.

12.2     OptiMark represents and warrants to IBM that to the best of OptiMark's
         and the OptiMark Related Companies' knowledge no third party has
         asserted any claim of ownership or of copyright or patent infringement
         or of infringement of any other intellectual property right pertaining
         to any aspect of the OptiMark-Made Modifications completed as of the
         date of signature of this Agreement and included in the OptiMark
         Licensable Modification Elements and that OptiMark is aware of no such
         claim which could be made.

12.3     EXCEPT AS PROVIDED IN SECTIONS 7.1.b), 12.1, AND 12.2, OPTIMARK MAKES
         NO OTHER EXPRESS WARRANTIES, AND THERE ARE NO IMPLIED WARRANTIES OR
         CONDITIONS, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR
         CONDITIONS OF MERCHANTABLE QUALITY AND FITNESS FOR A PARTICULAR
         PURPOSE.



                                       - 21 -



<PAGE>   22

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


12.4     The indemnity and other relief set forth below in Article 13.0 is the
         sole and exclusive remedy for breach of any representation or
         warranties by OptiMark, except that IBM shall have all rights and
         remedies available at law and equity for breach of the representations
         and warranties of Section 12.2.


13.0     OPTIMARK'S PATENT, TRADE SECRET OR TRADEMARK INDEMNITY/NOTICE OF CLAIM

13.1     Subject to Section 14.2, OptiMark will indemnify, defend and hold IBM,
         the IBM Related Companies, the customers of each and the officers,
         directors, employees and agents of each (individually and
         collectively, the "IBM Indemnitees") harmless from and against any and
         all claims, causes of action, liabilities, damages, costs or expenses
         finally awarded or settled against them or any of them (including,
         without limitation, reasonable legal fees awarded or settled against
         them or any of them) arising out of or resulting from any claim of
         infringement of a patent, of a copyright, of a misappropriation of a
         trade secret, or of any other right alleged against the IBM
         Indemnitees and arising out of or from the use or exploitation of the
         OptiMark-Made Modifications of the OptiMark Licensable Modification
         Elements as permitted under this Agreement by the IBM Indemnitees,
         provided that, subject to the provisions set forth in Section 13.2,
         the IBM Indemnitees promptly notify OptiMark of any such claim and
         co-operate with OptiMark in, and allow OptiMark to control, the
         defense of any such claim and any related settlement negotiations.

13.2     Using counsel selected by OptiMark, OptiMark will assume, at its own
         cost, a prompt, rigorous and full defense and/or a good faith
         settlement (which seeks to maintain IBM's rights hereunder) of any
         claim of which OptiMark is responsible to indemnify under Section 13.1
         and IBM will cooperate reasonably with OptiMark in connection
         therewith; except that with respect to settlements entered into by
         OptiMark: (a) the consent of IBM will be required if the settlement
         provides for equitable relief against any of the IBM Indemnitees; and
         (b) OptiMark will obtain a full and complete release of the IBM
         Indemnitees from the third party claimant(s) concerning any claim
         which OptiMark is responsible to indemnify under Section 13.1.
         OptiMark will keep IBM reasonably and timely apprised of the events of
         the defense and/or settlement (including without limitation the
         providing of copies of the relevant pleadings, other filings and
         settlement proposals) and OptiMark shall give full consideration to,
         and be open to discussion of, the views and suggestions of IBM (and/or
         its counsel as provided for below in Section 13.3 in proceeding with
         such defense and/or settlement.
13.3     In the defense or settlement of any claim under Section 13.1, and
         subject to Section 14.2, OptiMark shall promptly reimburse the IBM
         Indemnitees for all costs, damages,


                                       - 22 -



<PAGE>   23

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         expenses, legal fees and/or other amounts that a court of competent
         jurisdiction (including without limitation any arbitration panel or
         other tribunal) finally awards against any IBM Indemnitee and to
         timely pay all costs, damages, expenses, legal fees and/or other
         amounts agreed to be paid in settlement resulting from a claim
         indemnified under Section 13.1, provided further that OptiMark will
         permit IBM to participate in the settlement or defense of the claims
         through counsel chosen and paid for by IBM, and keep such counsel
         informed as they may request.

13.4     In addition, if any claim or cause of action referred to in Section
         13.1 is made against an IBM Indemnitee's use or exploitation of the
         OptiMark-Made Modifications of the OptiMark Licensable Modification
         Elements as permitted under this Agreement which occasions any
         material risk of an injunction against such use or exploitation,
         OptiMark will upon notice of the claim of infringement and at no cost
         to IBM either: (i) obtain a license from the third party for the IBM
         Indemnitees to continue using the accused OptiMark-Made Modifications
         of the OptiMark Licensable Modification Elements which shall come into
         effect no later than the earliest effective date of any such
         injunction; and/or (ii) modify the accused OptiMark-Made Modifications
         of the OptiMark Licensable Modification Elements to avoid such
         infringement, and use all diligent efforts which are not unreasonable
         to complete such modifications before any injunction precluding the
         use thereof can be secured or come into effect, including securing the
         assistance of the OptiMark Related Companies in so doing.

13.5     In addition to the indemnity provided in Sections 13.1 through 13.4
         above, OptiMark shall promptly IBM in writing, should OptiMark receive
         notice of or become aware of any third party claim or assertion
         against OptiMark (or the OptiMark Related Companies) of ownership or
         of copyright or patent infringement or of infringement of any other
         intellectual property right pertaining to any aspect of the OptiMark
         Licensable Modification Elements or the use thereof and provide a copy
         of any such claim or assertion (if the claim or assertion is provided
         in writing or there is a description there of if made orally) and upon
         IBM's request, OptiMark shall provide reasonable responses to
         reasonable IBM inquiries concerning such claims or assertions and any
         risk of injunction as perceived by OptiMark.

13.6     The provisions in Sections 13.1 through 13.5 represent OptiMark's
         entire obligation to IBM regarding any claim for infringement, except
         a set forth in Section 12.4.

13.7     OptiMark has no obligation under this Agreement regarding any
         infringement claim  based on the following:


                                     - 23 -


<PAGE>   24



                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         a)       any OPS Modifications other than the OptiMark-Made
                  Modifications of the OptiMark Licensable Modification
                  Elements or any use of the OptiMark-Made Modifications of the
                  OptiMark Licensable Modification Elements outside the license
                  hereof;

         b)       the combination, operation or use of the OptiMark-Made
                  Modifications of the OptiMark Licensable Modification
                  Elements with any product, data, computer equipment or
                  software that OptiMark did not recommend or provide and which
                  the infringement claim would not have been made out by the
                  use of the OptiMark-Made Modifications of the OptiMark
                  Licensable Modification Elements with any product, data,
                  computer equipment or software that OptiMark did or does
                  recommend, intend or provide; or

         c)       the combination, operation or use of the OptiMark-Made
                  Modifications of the OptiMark Licensable Modification
                  Elements with any other software used by IBM for trade
                  processing, trade matching and strategizing functions which
                  OptiMark does not recommend or provide and which the
                  infringement claim would not have been made out by the use of
                  the OptiMark-Made Modifications of the OptiMark Licensable
                  Modification Elements with software which OptiMark did or
                  does recommend, intend or provide.


14.0  OPTIMARK'S LIMITATION OF LIABILITY

14.1     OptiMark's aggregate liability for direct actual damages arising out
         of or in connection with OptiMark's performance or non-performance
         under this Agreement, regardless of the form of action and whether in
         contract, tort (including, without limitation, negligence), warranty
         or other legal or equitable grounds, shall not exceed and will be
         limited to one hundred thousand U.S. Dollars ($US 100,000), provided
         that this limitation will not apply to:

                  a)       damages for physical harm to persons or tangible
                           personal property and real property caused by
                           OptiMark's negligence; and

                  b)       all damages for which OptiMark is responsible under
                           Articles 12.0, 13.0 and 15.0.

14.2     In no event is OptiMark liable for:



                                     - 24 -


<PAGE>   25


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

         a)       any special, indirect or consequential damages (other than
                  for physical harm to persons caused by OptiMark's negligence)
                  even if the party has been advised of the possibility
                  thereof, including, but not limited to, lost profits, lost
                  business revenue or failure to realize expected savings,
                  except for IBM's losses or damages due to any gross
                  negligence or intentional misconduct on the part of OptiMark;
                  or

         b)       any claims by a third party against IBM or any contractor to
                  IBM (including, without limitation, claims by a customer of
                  IBM or the IBM Related Companies), other than those claims
                  provided for under Article 13.0, or those claims involving a
                  breach of Section 12.2 or Article 15.0.

14.3     This Article 14.0 applies to all claims by IBM, any customers, any
         stock exchange and any contractor of IBM irrespective of the cause of
         action underlying the claim, including, but not limited to: (a) breach
         of contract, even if in the nature of a breach of a condition of a
         fundamental term, or a fundamental breach; or (b) tort, including, but
         not limited to, negligence or negligent misrepresentation.

15.0     CONFIDENTIAL INFORMATION

15.1     Proprietary and confidential information which is disclosed by one
         party to the other pursuant to this Agreement or created by the
         parties as part of the development concerning the OPS Modified Work
         shall be protected by, subject to and governed by the provisions of
         the Confidentiality Agreement, as supplemented by the terms and
         conditions of this Agreement, e.g. those of Articles 5.0 and 15.0.
         "Confidential Information" shall have the same meaning here as in the
         Confidentiality Agreement, provided that: (i) it is acknowledged and
         agreed that IBM-Made Modifications, OPS Modified Work and
         documentation related thereto shall be considered Confidential
         Information of OptiMark as if disclosed by OptiMark and such
         information shall be marked as OptiMark Confidential; and (ii) at
         least in the following circumstances inadvertent disclosure without
         confidentiality identification or markings by one party to the other
         party shall not destroy confidentiality, namely that for source code,
         developments for the OPS Modified Work or OptiMark Proprietary
         Elements, business development and marketing plans for the OPS
         Modified Work before their public announcement, variations of material
         already marked confidential, and such information shall not be
         publicly disclosed but rather treated as confidential information,
         without having initially been marked as such.

15.2     The parties agree that, as defined in Section 2 of the Confidentiality
         Agreement, the "Limited Use(s)" for Confidential Information subject
         to this Agreement shall include all


                                       - 25 -



<PAGE>   26

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         uses which are permitted pursuant to the licenses, grants, and
         understandings set forth in this Agreement.

15.3     IBM agrees by the execution of this Agreement that:
         a)       IBM consents, as a prior written consent under Section 3.0 of
                  the Confidentiality Agreement, that OptiMark may disclose
                  Confidential Information concerning the ITS Software, OPS
                  Modified Work or other IBM-Involved Applications (which is not
                  otherwise owned by OptiMark) (including without limitation
                  source code as permitted under Sections 5.1 and 15.6) to third
                  party consultants, agents and sublicensees who agree in
                  writing to provisions that are no less protective than the
                  provisions for the protection of Confidential Information that
                  are set forth in the Confidentiality Agreement and in the
                  other terms and conditions of this Agreement and in particular
                  those in Articles 5.0 and 15.0; and

         b)       IBM waives any prior written notice requirement, as required
                  under Section 3.0 of the Confidentiality Agreement, any
                  disclosure to the third parties consented to in Section
                  15.3.a).

15.4     OptiMark agrees by the execution of this Agreement, that:
         a)       OptiMark consents, as a prior written consent under Section
                  3.0 of the Confidentiality Agreement, that IBM may disclose
                  Confidential Information of OptiMark concerning the OptiMark
                  Licensable Modification Elements (including without
                  limitation the source code as provided under Section 5.2 and
                  Section 15.6); to third party consultants, agents and
                  sublicensees who agree in writing to provisions that are no
                  less protective than the provisions for the protection of
                  Confidential Information that are set forth in the
                  Confidentiality Agreement and in the other terms and
                  conditions of this Agreement and in particular those in
                  Articles 5.0 and 15.0; and

         b)       OptiMark waives any prior written notice requirement, as
                  required in Section 3.0 of the Confidentiality Agreement, for
                  any disclosure to the third parties consented to in Section
                  15.4.a).

15.5     Each party shall ensure that all copies of the source code owned by
         the other are kept in a secure environment.

15.6     The receiving party under this Article 15.0 may provide source code to
         a sublicensee for their use within the scope of any license grant to
         the receiving party hereunder pursuant to an agreement which provides
         for confidentiality in terms no less protective than those


                                     - 26 -



<PAGE>   27
                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


         referred to or set forth in this Article 15.0. In addition and
         notwithstanding any provision of the Confidentiality Agreement or this
         Agreement, upon demand by a sublicensee, and under this Article 15.0,
         OptiMark as the receiving party, may place the source code for the ITS
         Software or OPS Modified Work (including any further modified versions
         of either and software licensed as OPS User Server Copies), and IBM as
         the receiving party, may place the source code for the OptiMark
         Licensable Modification Elements (and any modified version of it) in
         escrow pursuant to an escrow agreement (with terms to protect the
         confidentiality of the source code of the work in question that are as
         or more restrictive than those set forth or referred to herein) in
         order to permit the sublicensee to consult the source code if: (a) the
         sublicensee has executed an agreement as provided for under Section
         15.3.a) or 15.4.a); and (b) the sublicensee needs it for maintenance
         in order to continue to use the ITS Software, OPS Modified Work or
         OptiMark Licensable Modification Elements, respectively, upon the
         failure of the receiving party to provide the sublicensee with agreed
         upon support and maintenance for such code.


16.0     SOURCE CODE/MODIFICATIONS

16.1     Release of source code by one party to the other party by itself shall
         not be deemed a transfer of ownership or title to any copyright or
         other intellectual property in the source code.


17.0     TERM AND TERMINATION

17.1     This Agreement is effective from date upon which it is executed by
         both OptiMark and IBM ("the Effective Date"); and the licenses granted
         shall continue in perpetuity or for the full term permitted by law
         under the intellectual property rights.

17.2     Any termination of any provision in this Agreement shall be in
         addition to and without prejudice to such other rights and remedies as
         may be available to the terminating party including injunction and
         other equitable remedies, provided that any breach shall not cause any
         enjoinment of the licenses granted hereunder, which licenses are
         irrevocable and not terminable.


18.0     EFFECT OF TERMINATION



                                     - 27 -

<PAGE>   28

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


18.1     The licenses granted hereunder are irrevocable and shall not be
         affected by any breach or termination except that the license for each
         copy of the ITS Software within any OPS Modified Work at the First
         Exchange or at any of each Additional Exchange may be revoked upon
         failure to pay the appropriate fee set forth in Schedule C pursuant to
         Section 4.1, provided that specific written notice of said failure is
         given by IBM to OptiMark, and OptiMark fails to cure the same by
         making the payment within thirty (30) days of receipt of said notice.
         Upon any termination of this Agreement, Articles 7.0 through 14.0
         shall remain in effect for an indefinite period equal to the longest
         time permitted by law under the applicable jurisdiction.  The
         provisions in Article 15.0 for Confidential Information shall remain
         in full force and effect for the term provided for in the
         Confidentiality Agreement.


19.0     NOTICES

19.1     Any notice or other communication required or permitted to be given
         under this Agreement shall be in writing and will be sufficiently
         given if:

            a)   delivered personally;
            b)   sent by prepaid registered mail; or
            c)   transmitted by facsimile;

         IN THE CASE OF NOTICE TO IBM,

            a) CONCERNING NON-TECHNICAL MATTERS:
                 251 Consumers Rd.
                 North York, Ontario
                 M2J 4R3  CANADA

                 Attention:  IBM General Manager
                             Security Industry Services
                 Fax No:     (416) 490-5629

                 Copy to:    General Counsel
                 Fax No:     (416) 490-5722

            b) CONCERNING TECHNICAL MATTERS (E.G. UNDER SECTIONS 4a.1 AND 10.1):
                 251 Consumers Rd.
                 North York, Ontario
                 M2J 4R3  CANADA



                                       - 28 -



<PAGE>   29


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                 Attention:  IBM TECHNICAL REPRESENTATIVE
                             initially designated to be:    Brenda Hoffman
                 Fax No:     (416) 490-5629
                 Copy to:    General Counsel
                 Fax No:     (416) 490-5722

         IN THE CASE OF OPTIMARK,

            a) CONCERNING NON-TECHNICAL MATTERS:
                 10 Exchange Place, 12th Floor
                 Jersey City, New Jersey 07302 USA

                 Attention:  William F.  Adiletta,
                             Executive Vice President
                 Fax No:     (201) 946-9435

                 Copy to:    OptiMark General Counsel
                 Fax No:     (201) 946-9413

            b) CONCERNING TECHNICAL MATTERS (E.G. UNDER SECTIONS 4a.1 AND 10.1):
                 10 Exchange Place, 12th Floor
                 Jersey City, New Jersey 07302 USA

                 Attention:  OPTIMARK TECHNICAL REPRESENTATIVE
                             initially designated to be:    William F. Adiletta,
                                                            Executive Vice
                                                            President
                 Fax No:     (201) 946-9435

                 Copy to:    OptiMark General Counsel
                 Fax No:     (201) 946-9413

         Notices sent by personal delivery shall be deemed to have been given
         and received on the date of delivery. Notices transmitted by facsimile
         shall be deemed to have been given and received on transmission if a
         confirmation of successfully completed transmission is received by the
         sender. Any notice sent by prepaid registered mail shall be deemed to
         have been given and received on the seventh (7th) business day
         following mailing. The parties may change the names and addresses for
         notices under this Agreement (of technical or non-technical matters)
         by giving the other party ten (10) days advance written notice of the
         change.


                                     - 29 -

<PAGE>   30

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


20.0     ASSIGNMENT

20.1     Subject to Section 20.1.a), OptiMark may assign the licenses granted
         under Section 2.1 of this Agreement without the prior written consent
         of IBM, provided however, IBM must be notified in advance of both the
         identification of the intended assignee and the intended assignment,
         and must approve of the procedures used by OptiMark, which procedures
         must be agreed to by the intended assignee in advance, to protect the
         Confidential Information of IBM, which approval by IBM shall not be
         unreasonably withheld.

         a)       If OptiMark intends to assign the license under Section 2.1
                  to a party that is a competitor of IBM in the field of the
                  license hereof, and IBM has so notified OptiMark in writing
                  and in advance, then IBM's consent shall be required and
                  OptiMark shall give IBM no less than thirty (30) days advance
                  notice of any such assignment and IBM's consent may be
                  refused in IBM's absolute discretion.

20.2     Subject to Section 20.2.a), IBM may assign the licenses granted under
         Section 2.3 of this Agreement without the prior written consent of
         OptiMark, provided however, OptiMark must be notified in advance of
         both the identification of the intended assignee and the intended
         assignment, and must approve of the procedures used by IBM, which
         procedures must be agreed to by the intended assignee in advance, to
         protect the Confidential Information of OptiMark, which approval by
         OptiMark shall not be unreasonably withheld.

         a)       If IBM intends to assign the license under Section 2.3 to a
                  party that OptiMark has notified IBM in writing in advance to
                  be a competitor of OptiMark, then OptiMark's consent shall be
                  required and IBM shall give OptiMark no less than thirty (30)
                  days advance notice of any such assignment and OptiMark's
                  consent may be refused in OptiMark's absolute discretion.



                                       - 30 -



<PAGE>   31



                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



21.0     GENERAL

21.1     Neither party shall be responsible for failure to fulfill its
         respective obligations under this Agreement caused, directly or
         indirectly, by fire, flood, earthquake, elements of nature or acts of
         God, acts of war, terrorism, riots, civil disorders, rebellions or
         revolutions, strikes, lockouts or labor difficulties or any other
         cause beyond its reasonable control, provided that the failure could
         not have been prevented by reasonable precautions and cannot be
         reasonably circumvented by the non-performing party through
         commercially reasonable means.

21.2     Section headings have been included in this Agreement merely for
         convenience of reference and shall not be considered part of or used
         in interpreting this Agreement.

21.3     If any provision, portion or extent of this Agreement is held or
         becomes invalid, illegal or unenforceable in general or with respect
         to any particular transaction, Person or jurisdiction, then, but only
         to the minimal extent necessary, that provision or portion shall be
         severed from, or that extent limited in, this Agreement in general or
         with respect to such transaction, Person, or jurisdiction only, and
         the remainder of the Agreement shall continue in full force and effect
         with respect to all other transactions, Persons or jurisdictions.

21.4     Any waiver by either party of any obligation under this Agreement must
         be in writing and shall not be considered to be a waiver of any other
         breach of the same obligation.

21.5     No action, regardless of form, may be brought by either party more
         than the lesser of: (i) two (2) years after the cause of action has
         arisen and the party having the cause of action knew or would have
         known with reasonable diligence the existence of the cause of action;
         or (ii) the maximum time period allowed under applicable laws.

21.6     This Agreement shall be binding upon and inure to the benefit of IBM's
         successors and permitted assigns and shall be binding upon and inure
         to the benefit of OptiMark's successors and permitted assigns.

21.7     This Agreement and its Schedules A through E is the complete and
         exclusive statement of agreement between the parties relating to the
         subject matter of this Agreement and supersedes all proposals, written
         or oral and all other communications between the parties relating to
         the subject matter of this Agreement and its Schedules A through E.
         There are no representations, warranties, conditions or terms made by
         either party other than as expressly stated in this Agreement.



                                       - 31 -



<PAGE>   32


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)




21.8     This Agreement shall be governed by and interpreted in accordance with
         the laws of the State of New York, United States of America that are
         applicable to contracts made and wholly performed entirely within that
         State and excluding its choice of law rules, provided however that
         questions affecting the construction of any copyright or patent shall
         be determined by the law of the country in which the copyright in
         question subsists or patent in question has been granted.

21.9     The United Nations Convention on Contracts for the International Sale
         of Goods shall not apply to this Agreement.

21.10    Each party shall, upon reasonable notice and with reasonable expenses
         reimbursed by the other party, promptly and duly execute and deliver
         to the other party such further documents and assurances, and take
         such further action as the other party may from time to time request
         in order to more effectively carry out the intent and purpose of this
         Agreement and to establish and protect the rights, interests and
         remedies intended to be created in favor of the other party. For
         example, each party agrees to do what is reasonably necessary to
         perfect the grants to the other party under Article 2.0 and to
         cooperate and give all reasonable assistance (and facilitate its
         employees to do the same) to permit the other party to secure, record,
         and enforce the same, including the preparation and prosecution of any
         applications for patents, registrations of copyrights or trademarks.

21.11    Neither party shall make any public statement concerning this
         Agreement or disclose the existence of this Agreement without the
         prior written consent of the other party. The marking of software
         under Section 5.3 shall not constitute a public statement or
         announcement.

21.12    All uses under this Agreement of any IBM trademarks by OptiMark shall
         inure to the benefit of IBM. All uses of any OptiMark trademarks by
         IBM shall inure to the benefit of OptiMark. Except as expressly
         permitted in this Agreement under Section 5.3, no other uses of the
         IBM trademarks by OptiMark or the OptiMark trademarks by IBM are
         permitted.



                                     - 32 -


<PAGE>   33

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


22.0     ACCEPTANCE

22.1     The parties, by their authorized signatures below, agree that this
         Agreement is the complete agreement between the parties and replaces
         all prior communications related to the subject matter of this
         Agreement.


AGREED BY:                          AGREED BY:

IBM Canada Limited                  OptiMark Technologies, Inc.


By:      /s/ Ronald Ziola                    By:      /s/ William F. Adiletta
         ----------------                             -----------------------

Name     Ronald Ziola                        Name:    William F. Adiletta
         ------------                                 -------------------

Title:                                       Title:   Executive Vice President
         -----------------------                      ------------------------

Date:    February 2, 1999                    Date:    February 2, 1999
         ----------------                             ------------------------


AGREED BY:

ISM Information Systems
Management Corporation

By:      /s/ Brenda Hoffman
         ------------------

Name:    Brenda Hoffman
         --------------

Title:   Director
         --------

Date:    February 2, 1999
         ----------------


Attached: Schedules A-E



                                     - 33 -
<PAGE>   34
                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                                   SCHEDULE A

                 IDENTIFIED SOFTWARE COMPONENTS OF ITS SOFTWARE

         Communications
         IBADSIII - Admin
         IBADSIS  - Admin
         IBADSIP  - Admin Day End
         IBDRSIS  - Data Download

         Custom Groups
         IBCGSIS - Custom Group
         IBCGSIP - Custom Group Day-end

         General Modules
         ITERSIR - Error Logging
         ITNDSIR - Next Market Day
         ITBCSIR - Broadcast
         ITPDSIR - Previous Day
         ITSBSIR - Subscription
         ITQFSIR - Queue open
         IBAASIP - Start End of Day

         Market Control
         IBACEXC  - Application Control Exception
         IBACSIII - Application Control
         IBCASIII - Holiday Maintenance
         IBCASIS  - Holiday Maintenance
         IBPDSIII - Product Distribution
         IBPDSIP  - Product Distribution Day End
         IBPDSIS  - Product Distribution
         IBMHSIII - Market Hours and Software version
         IBTRSIII - Transaction Table
         ITPUSIS  - Parameter Update
         ITSMON   - Monitor Menu
         ITUBSIII - Event Type Table

         Order Profile & Fill processing
         IBOPSIS - Order Profile

                                      A-1


<PAGE>   35


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



         IBOQSIP  - Order Queue
         IBOPSIP  - Order Profile Day-end
         IBOPSIP2 - Order Profile Day-end 2
         IBMOSIP  - Move Orders
         IBFESIP  - Fill Entry
         IBFUSIS  - Fill Update
         IBFMSIP  - Fill Monitor
         IBCLSIP  - Clearing
         IBFDSIP  - Fill Day-end
         IBSNSIP  - Sequence Number

         Matching Cycle Scheduling
         IBMSSIP - Market Status Process
         IBPCSIP - Phase Control Process
         IBCYSIP - Cycle Day End

         Security and Suspend Processing
         IBSESIS  - Security Server
         ITPESIR  - Password Encryption Routine
         IBSPSIII - Suspend Requester
         IBSPSIS  - Suspend Server
         IBSPSIP  - Suspend Process

         Static Data - Firm Related
         IBFISIII - Firm Setup Requester
         IBFISIS  - Firm Setup
         IBFISIP  - Firm Setup Dayend
         IBFCSIII - Firm Credit Authorization Requester
         IBFCSIS  - Firm Credit Authorization
         IBFCSIP  - Firm Credit Authorization Dayend

         Static Data - Market Maker
         IBMMSIII - Market Maker Requester
         IBMMSIS  - Market Maker
         IBMMSIP  - Market Maker Dayend

         Static Data - Product Related
         IBPMSIII - Product Master Requester
         IBPMSIS  - Product Master

                                      A-2



<PAGE>   36

                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)




         IBPMSIP  - Product Master Dayend

         Static Data - User Related
         IBURSIII - User Setup Requester
         IBURSIS  - User Setup
         IBURSIP  - User Setup Dayend


          TMAX-H
          BI               Broadcast Image
          BM               Broadcast Manager
          BRA              Broadcast Delivery Agent
          DBA              Database Delivery Agent
          DM               Delivery Manager
          ED               Event Distributor
          QD               Message Queue Distributor
          SFDM             SAF Delivery Manager
          SFTM             SAF Transaction Manager
          TAOPT            Transaction Agent
          TCOM    TMAX Process Command Interface
          TINQ             TMAX Inquiry Utility
          TM               Transaction Manager
          XLOPT            External Presentation Library
          XPGEN            External Presentation Compiler


                                      A-3


<PAGE>   37


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                                   SCHEDULE B

        PROCEDURE TO DETERMINE OPTIMARK LICENSABLE MODIFICATION ELEMENTS

The parties acknowledge that, as of the Effective Date of this Agreement, IBM
has expressed to OptiMark an interest that the following modules of the
IBM-Made Modifications be first considered as OptiMark Licensable Modification
Elements pursuant to Section 2.3 and this Schedule B (without excluding other
modules):


         IBPPSIR           OptiMark Product Price Process
         IBFBSIS           OptiMark Fill Batch
         IBOCSIII          OptiMark On-demand cycle requester
         SFDM              OptiMark SAF delivery manager
         SFTM              OptiMark SAF transaction manager
         SFDM              OptiMark Stratus SAF delivery manager
         SFTM              OptiMark Stratus SAF transaction Manager

The procedure pursuant to Section 1.13 is outlined as follows:

         IBM may request, by providing notice as set forth in Section 19.1,
         that one or more of the eligible software code module elements
         referred to in Section 1.13 be selected to be OptiMark Licensable
         Modification Elements. OptiMark will evaluate IBM's request in good
         faith and agrees not to withhold its consent for any request
         unreasonably. If and when OptiMark and IBM mutually agree, the
         selected elements shall be identified as specified in Section 1.13.


                                      B-1


<PAGE>   38


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



                                   SCHEDULE C

       FEES FOR OPTIMARK'S USE OF THE ITS SOFTWARE AND OPS MODIFIED WORK





             [Attached hereto and incorporated by reference herein]


                                      C-1


<PAGE>   39
                                  CONFIDENTIAL
                          (OPTIMARK/IBM OPS AGREEMENT)

--------------------------------------------------------------------------------
FOR THE FIRST EXCHANGE
--------------------------------------------------------------------------------

If and when the OPS Modified Work is installed and on-line for the First
Exchange, OptiMark shall pay a one-time fee for all First Exchange uses in the
amount of $500,000 U.S. Dollars as follows:

              40%  in U.S. Dollars ($US 200,000) on signing; and
              60% in  U.S. Dollars ($US 300,000) on the Launch Date.

--------------------------------------------------------------------------------

II.     FOR ADDITIONAL  EXCHANGES

--------------------------------------------------------------------------------
        (1)        OptiMark and IBM agree that the license fees paid under
              Section I above, this Section II and otherwise under the
              Agreement shall in total amount to no more than $6,400,000 U.S.
              dollars (as described in this Schedule C) for all uses at the
              First Exchange and all Additional Exchanges ("AEs") , subject
              only to the percentage reduction that may apply for "Services
              Agreements" as described below.
--------------------------------------------------------------------------------
        (2)        The parties acknowledge they may enter into one or more
              "Services Agreement(s)" covering the First Exchange and/or one or
              more of the Aes. "Services Agreements" means any agreement made
              between OptiMark and IBM under which IBM provides additional
              software maintenance or development services, and would include,
              for purposes of this Schedule C, any Documents of Understanding
              (DOU's) for such services (whether or not the DOU leads to an
              actual agreement). For example and without limitation, the
              Services Agreements includes the Maintenance Agreement
              (contemplated under Section 1.1.c) of the Agreement) but would
              not include the Managed OPS Agreement (contemplated under Section
              1.1.d)).
--------------------------------------------------------------------------------
        (3)        If and when the OPS Modified Work is installed and on-line fo
              an AE, OptiMark shall pay a one-time license fee for on-line use
              at the AE, as set forth in the table below, only if it is the
              1st, 2nd, 3rd, 4th, or 5th AE using the OPS Modified Work. The
              license fees in the table below are also subject to a percentage
              reduction ("% red") based on the calendar year dollar amount of
              services provided and paid for (unless the parties otherwise
              agree) if any, under the Services Agreements. In addition to the
              above, OptiMark shall also have the option of prepaying the
              license fees for any or all of the remaining first five AEs, as
              set forth in (5) below. Each license fee in this Section II (3)
              shall be payable as follows: 50% on the first use date at the AE
              and 50% 3 months thereafter.

      (Note: "red" in table below = reduction, "CY"= calendar year, all amounts
      are in millions of US Dollars (e.g. 1 MM and $US 2.10), TOTAL includes
      First Exchange of $500,000, plus amounts payable under Section II)

<TABLE>
<CAPTION>
---------------------------------------------------------------------------------------------------------------------------------
                                          0 to < 1MM
                                 (or if there are no Services
US Dollar value of                        Agreements)                    E1<3MM                  E3<5MM            E55MM
Services Per CY                             0% red                       10% red                 20% red                 50% red
---------------------------------------------------------------------------------------------------------------------------------
<S>                    <C>               <C>                            <C>                     <C>                     <C>
1st AE                 $US                   2.10                         1.89                    1.68                     1.05
---------------------------------------------------------------------------------------------------------------------------------
2nd AE                 $US                    1.1                         0.99                    0.88                     0.55
---------------------------------------------------------------------------------------------------------------------------------
</TABLE>



                                      C-1



<PAGE>   40


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



<TABLE>
---------------------------------------------------------------------------------------------------------------------------------
<S>                    <C>               <C>                            <C>                     <C>                     <C>
3rd AE                 $US                    1.0                         0.90                    0.80                     0.50
---------------------------------------------------------------------------------------------------------------------------------
4th AE                 $US                    0.9                         0.81                    0.72                     0.45
---------------------------------------------------------------------------------------------------------------------------------
5th AE                 $US                    0.8                         0.72                    0.64                     0.40
---------------------------------------------------------------------------------------------------------------------------------
6th AE +               $US                    NO                       ADDITIONAL                LICENSE                   FEE
---------------------------------------------------------------------------------------------------------------------------------

---------------------------------------------------------------------------------------------------------------------------------
Sub Tot
(for Section II)       $US                    5.9                         5.31                    4.72                     2.95
---------------------------------------------------------------------------------------------------------------------------------
TOTAL
(Sections I + II)      $US                    6.4                         5.81                    5.22                     3.45
---------------------------------------------------------------------------------------------------------------------------------
      (4)
              Agreements in force during the applicable the calendar
              year (CY). The value of services per calendar year accumulates and
              the agreement or DOU applies for the value calculation on the
              earliest date that either a Document of Understanding (DOU) or
              applicable agreement for such new services is signed.
---------------------------------------------------------------------------------------------------------------------------------
      (5)         In any calendar year (CY), OptiMark has the option to prepay
              the one-time license fees for any or all of the remaining AEs at
              the percentage reduction (% red) corresponding to the level of
              services provided during that calendar year. Should OptiMark
              choose to prepay all of the remaining AEs in a calendar year when
              IBM is to provide a level of services having a value that entitles
              OptiMark to a percentage reductions for fees due, OptiMark will
              fulfill all fee obligations under this Agreement, although total
              fees paid will be less then $6,400,000 U.S. dollars.
---------------------------------------------------------------------------------------------------------------------------------
EXCEPT AS SET FORTH IN THIS SCHEDULE C, NO OTHER FEE OR ROYALTY SHALL BE PAID BY
OPTIMARK FOR THE LICENSES AND RIGHTS GRANTED TO OPTIMARK AS SET FORTH UNDER THE
AGREEMENT
---------------------------------------------------------------------------------------------------------------------------------
</TABLE>


                                      C-2



<PAGE>   41


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



                                   SCHEDULE D

   LIST OF REQUIREMENTS THAT DO NOT MEET THE PERFORMANCE GOALS AS OUTLINED IN
       THE OPEN ISSUES/NEW REQUIREMENTS DOCUMENT DATED OCTOBER 21, 1997,
                 OR THE OTI ALPHA PERFORMANCE OBJECTIVES MATRIX

At the Effective Date, the parties agree that the OPS Modified Work in
conjunction with the other components of the OptiMark Proprietary System does
not meet the following performance goals as outlined in the Open Issues/New
Requirements Document dated October 21, 1997, or the OTI Alpha Performance
Objectives Matrix:

         1.       All securities scheduled for a trade cycle within 90 seconds
                  - Reference Open Issues/New Requirements Document dated
                  October 21, 1997 page 20-29;

         2.       Each order profile entry has the ability of apportioning 20
                  broker dealers (increased from 10) - OPS Change Request # 12
                  Reference #ITOT4163 dated May 29, 1998;

         3.       Improve download for large amounts of data, currently
                  downloading 40 records/sec improving to 80 records/second -
                  Not formally documented; and

         4.       OPS receives and processes 215 transactions equally
                  distributed from 100 end-users - OTI Alpha Performance
                  Objectives - 8th Target dated August 24, 1998.

For further clarity, to make improvements for the above mentioned performance
goals to the OPS Modified Work will require component interface changes which,
consequently, will require changes to the components themselves to take
advantage of the OPS Modified Work improvements. The parties agree that there
is limited value in IBM performing or completing these performance improvements
without the involvement of OptiMark, because the implementation of these
performance improvements will impact other components of the OptiMark
Proprietary System. Therefore, the parties understand and agree that
cooperative effort from both parties are required to ensure maximum gain from
the performance improvements.

The parties shall make good faith efforts to agree on a cooperative
implementation plan where the OPS Modified Work performance improvements will
be completed by IBM with OptiMark input either under the Maintenance Agreement
or under a separate agreement provided that under such further agreement all
improvements contributed from IBM shall be considered IBM-Made Modifications as
defined herein and shall be subject to the rights granted as set forth herein.

                                      D-1


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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                                   SCHEDULE E

              DETAILED DESIGN DOCUMENTATION FOR OPS MODIFIED WORK









             [Attached hereto and incorporated by reference herein]






                                       ii

<PAGE>   43




-------------------------------------------------------------------------------

                                                        Functional Requirements
                                                                 Specifications
-------------------------------------------------------------------------------




                                                              December 30, 1998
                                                                   Revision 1.1





<PAGE>   44





To order additional copies of this document, contact:

OptiMark Technologies, Inc.
10 Exchange Place, 12th Floor
Jersey City, NJ 07302


Copyright (C) 1998 OptiMark Technologies, Inc. All rights reserved. No part of
this publication may be reproduced, transmitted, transcribed, stored in a
retrieval system, or translated into any language in any form by any means
without the written permission of OptiMark Technologies, Inc.

Other third party product names used herein are used to identify such products
and for descriptive purposes only. Such names may be marks and/or registered
marks of their respective owners.



<PAGE>   45

<TABLE>
<CAPTION>
OPTIMARK TECHNOLOGIES, INC.:            FUNCTIONAL REQUIREMENTS                                               CONTENTS
                                        SPECIFICATIONS
=========================================================================================================================

        CONTENTS
<S>               <C>    <C>                                                                                             <C>
1.                       EXECUTIVE SUMMARY................................................................................1
                  1.1.   Introduction.....................................................................................1
                  1.2.   System Overview..................................................................................1
                  1.3.   Features for Participants........................................................................1
                         1.3.1.     Features for Institutions.............................................................1
                         1.3.2.     Features for Exchanges................................................................2
                         1.3.3.     Features for Broker/Dealers...........................................................3
                  1.4.   System Components................................................................................3
                         1.4.1.     Transaction Network...................................................................3
                         1.4.2.     User Interface........................................................................4
                         1.4.3.     Servers...............................................................................4
                         1.4.4.     OptiMark Profile System...............................................................4
                         1.4.5.     Matching Engine.......................................................................4
                         1.4.6.     Market Data...........................................................................5
                         1.4.7.     Pacific Exchange......................................................................6
                         1.4.8.     Clearance and Settlement..............................................................6
                  1.5.   OptiMark Information Flow........................................................................7
                  1.6.   Instruments Supported............................................................................7
                  1.7.   Relationship to Existing Systems.................................................................8
                         1.7.1.     Integration With Exchanges, Broker/Dealers and Specialists/Market Makers..............8
                         1.7.2.     Integration With the National Market System...........................................8

                  *
</TABLE>

-------------------------------

* This confidential portion has been omitted and filed separately with the
  Commission.





<PAGE>   46


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

2.       EXECUTIVE SUMMARY

                  2.1.     INTRODUCTION

                  The OptiMark System represents a new market mechanism
                  designed to optimize the process of matching buyers and
                  sellers of securities. The purpose of this document is to
                  describe the functional requirements for the OptiMark Equity
                  Trading System (OptiMark). The intent is to provide a
                  functional overview of OptiMark; what the system will, and
                  will not, do at the time of "First Trade", and establish the
                  associated functional deliverables for the OptiMark System.



                  2.2.     SYSTEM OVERVIEW

                  OptiMark provides a unique opportunity for institutions,
                  exchanges, and broker/dealers to participate in a new method
                  of electronic trading, which is designed to optimize the
                  efficiency of matching buyers and sellers.

                  The optimization is based on the relative willingness of both
                  buyers and sellers to trade over a range of prices and
                  volumes. Desirability of particular trades is expressed in
                  terms of "satisfaction" values. Based on these satisfaction
                  values, trades can occur at various prices and volumes across
                  the continuum, in a manner to produce the optimum mutual
                  satisfaction for both buyers and sellers at each stage. Once
                  trades have been matched, the results are forwarded to the
                  Institution and the executing exchange for printing to the
                  tape. Executing broker and clearing broker information
                  dissemination is controlled by the institution in order to
                  ensure the trading strategies of the participants are not
                  divulged.

                  OptiMark shall run scheduled call markets in equity
                  instruments throughout the trading day acting as a facility
                  of the Pacific Exchange (PCX). OptiMark shall comply with the
                  rules and regulations of the PCX, and shall fall under the
                  aegis of the PCX's Self-Regulatory Organization. Synergism
                  with existing systems at exchanges, institutions and
                  broker/dealers shall be maximized, allowing the benefits of
                  OptiMark to accrue with minimum changes to existing order
                  flows and systems.

                  2.3.     FEATURES FOR PARTICIPANTS

                  2.3.1.   FEATURES FOR INSTITUTIONS



                                       E - 1



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



                  OptiMark shall provide large buy-side and sell side
                  institutions with the ability to construct "profiles" and
                  submit them directly to OptiMark under the auspices of the
                  PCX. The institution shall indicate on the Profile the
                  Designated Broker/Dealer(s) it wishes to use for the trades
                  that are executed. The broker/dealer is not notified of the
                  institution's trading strategy.

                  In contrast to discrete orders at a single price and size, a
                  Profile shall consist of a User-defined three-dimensional
                  surface, disposed over a grid of price/size coordinates, with
                  the size coordinates ranging up to the maximum quantity
                  desired. For each price/size coordinate, the institution
                  shall indicate a satisfaction level of between 0 and 1, with
                  0 representing no interest in trading at that price/size
                  coordinate, and 1 indicating complete satisfaction with that
                  price/quantity combination. Factors between 0 and 1 reflect
                  relative degrees of satisfaction with trades at that level.

                  The Profiles shall be easily entered by the institution's
                  trader or portfolio manager, via either a user-friendly
                  Graphical User Interface (GUI) or a Computer-to-Computer
                  Interface (CTCI) utilizing the FIX protocol. Within the GUI,
                  Profiles may be represented using color graphics, allowing
                  the strategy to be fully visualized. Conditions such as "fill
                  or kill", "immediate or cancel", and "all or none" shall be
                  supported.

                  Use of OptiMark is intended to provide institutions with
                  access to large pools of liquidity, and to allow them to
                  avoid the market impact, timing and opportunity costs that
                  are part of the current market structure. The Profiles shall
                  be submitted anonymously by the institution. Profiles shall
                  allow the total quantity to be quickly entered and made
                  available for electronic matching in a deep liquidity pool,
                  with non-disclosure of the trading strategy assured.
                  Executions shall occur at scheduled call times. Any part of
                  the Profile not immediately executed shall be retained in the
                  system, subject to time-in-force and other conditions, for
                  matching against newly entered Profiles. The Profiles shall
                  be confidential, and shall be easily and quickly modified or
                  canceled by the owner intraday.

                  OptiMark shall be capable of running throughout the trading
                  day, providing price discovery across a continuum of prices
                  and quantities, matching buyers and sellers at each
                  combination of price and quantity, to result in optimal
                  mutual satisfaction.

                  Executions shall be immediately reported to the institutions,
                  and to the exchange for printing on the Consolidated Tape
                  System (CTS) and for end-of-day submission to NSCC.
                  Executions shall be reported to the specified broker/dealer
                  for clearing and settlement, but may, at the discretion of
                  the institution, be held until after the close of trading so
                  that the outcomes of the trading strategy are not divulged.

                  2.3.2.   FEATURES FOR EXCHANGES

                  With the advent of "upstairs" block trading, large pools of
                  liquidity typically are not available on exchange floors.
                  This severely hampers the ability of exchanges to perform
                  their role of efficiently matching buyers and sellers. With
                  OptiMark, the exchanges have



                                       E - 2



<PAGE>   48


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                  an opportunity to bring these liquidity pools back into their
                  domain, allowing the exchange to better service the full
                  range of investors, from retail to institutional size.

                  OptiMark shall run as a matching facility for PCX. PCX's
                  rules and regulations shall apply fully to OptiMark. The
                  exchange shall print trades from OptiMark, and forward them
                  as locked-in trades to NSCC. The rules regarding the National
                  Market System shall be respected.

                  Retail orders may be forwarded to OptiMark by the exchange
                  Specialists, at their discretion. In addition, specialists
                  will be able to submit Profiles for their own account.

                  2.3.3.   FEATURES FOR BROKER/DEALERS

                  Broker/Dealers shall remain responsible for the trades that
                  are executed in their name by institutions, and therefore
                  shall continue to earn commissions. Clearing Brokers shall be
                  able to exercise control over their exposure by setting and
                  maintaining trading limits for the institutions they
                  authorize for direct trading through OptiMark. These limits
                  shall be monitored, and the remaining trading limit
                  automatically updated, for every Profile entered directly by
                  the institution.

                  The Designated Broker/Dealers shall receive execution reports
                  from the OptiMark system (albeit without divulging the
                  institution's trading strategy) and shall handle allocations,
                  clearing, and settlement for the institution in the usual
                  manner.

                  The broker/dealer may take advantage of the increased
                  liquidity pools available through OptiMark by submitting
                  their proprietary trading interest as Profiles, and/or by
                  formulating Profiles for their retail or institutional
                  clients.

                  2.4.     SYSTEM COMPONENTS

                  The system is comprised of eight major components: (1) the
                  Transaction Network, (2) the User Interface, (3) the Servers,
                  (4) the OptiMark Profile System, (5) the Matching Process,
                  (6) Market Data, (7) the Pacific Exchange Interface, and (8)
                  Clearance and Settlement. There are additional components of
                  the system such as Audit and Attestation, Security, Help
                  Desk, and Performance, which are also addressed within this
                  document. The following section provides an overview of the
                  components that will make up the OptiMark system:

                  2.4.1.   TRANSACTION NETWORK

                  The Transaction Network is the communications infrastructure
                  upon which the OptiMark system is built. This component
                  encompasses the system infrastructure and dictates the
                  hardware platforms that will be utilized and supported,
                  communication protocols to and


                                     E - 3



<PAGE>   49


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  from the system, access security and encryption, error
                  recovery, system reliability and backup.

                  2.4.2.   USER INTERFACE

                  The User Interface (UI) component defines how participants
                  interact with the system. This component defines the methods
                  that will be used to create Profiles, act upon those Profiles
                  (save, modify, send, and cancel), and receive information
                  about those Profiles. Broadcast of administrative messages
                  from OptiMark's central site is also supported.

                  Additionally, the specification will define in detail the
                  three methods that will be utilized to send and receive
                  Profiles; the Graphical User Interface (GUI), the
                  Computer-to-Computer Interface (CTCI), and the submission of
                  Specialists' Order Books from the PCX. Finally, the
                  validation being performed at the UI level is described in
                  detail.

                  2.4.3.   SERVERS

                  An institutional server will be provided to the major
                  OptiMark trading participants. The server will be behind the
                  customer's firewall, providing local storage for the
                  institution's data to enhance processing speed and
                  efficiency.

                  2.4.4.   OPTIMARK PROFILE SYSTEM

                  The OptiMark Profile System (OPS) is the component that
                  maintains all information critical to the OptiMark trading
                  system. OPS maintains the list of eligible securities in
                  OptiMark, the schedule of call cycles for each security, the
                  OptiMark Book of Record, logs of the actions taken on
                  Profiles, determines available trading limit for participants
                  and updates trading limit usage throughout the trading day,
                  routes trade result information, generates clearing records,
                  and monitors the other system connections.

                  In addition, OPS is responsible for receiving Profiles from
                  participants, validating the information received, forwarding
                  this data to the Matching Engine, and sending the resulting
                  information to participants and the PCX.

                  2.4.5.   MATCHING ENGINE

                  The Matching Engine (ME) is the heart of the OptiMark trading
                  system. Using OptiMark Technologies, Inc. patent-pending
                  matching algorithm, this component receives Profiles from
                  participants and participating exchange specialists wishing
                  to buy or sell securities, as well as the current bids and
                  offers of all exchanges. The quotations from
                  non-participating exchanges are converted into Profiles,
                  which are included in the cycle. The ME then determines trade
                  matches based upon the mutual satisfaction, price, time of
                  entry, and size of the buyer-seller coordinate pairs. Trade
                  results are then generated that



                                     E - 4



<PAGE>   50


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)




                  will ensure no other exchange markets are traded through and
                  meet the optimal trading criteria specified on the
                  participants' Profiles.

                  The ME will run throughout the trading day, initiating call
                  cycles according to the schedule maintained by OPS.

                  2.4.6.   MARKET DATA

                  This component is used to determine the market for a security
                  at the time a cycle is initiated. This includes not only the
                  primary market, but the regional markets as well. These
                  markets will be forwarded to the ME in order to develop 'CQS
                  Profiles'. These Profiles are critical to ensure the OptiMark
                  system does not trade through other markets and abides by
                  existing market rules and regulations.

                  Additionally, the Market Data component will help to
                  determine when a security is open for trading, when a
                  security has been halted, and when trading has been resumed
                  for a halted security. This information, combined with
                  information from the Pacific Exchange, will be used to
                  determine when OptiMark shall open or halt trading for a
                  security.




                                     E - 5



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  2.4.7.    PACIFIC EXCHANGE

                  The Pacific Exchange (PCX) will be the first exchange to
                  utilize the OptiMark system. The PCX is key to the
                  functionality of the system since they will print the trades
                  on the tape, notify Broker/Dealers of executions, and forward
                  clearing information to start the clearance and settlement
                  process.

                  The PCX specialists shall have the option to forward their
                  Limit Order Books to OptiMark. The PCX shall receive trade
                  results from OPS for the specialists' Limit Order Books and
                  update the P/Coast system with this information as required.

                  The PCX shall be responsible for printing the resulting
                  trades on the Consolidated Tape System (CTS), forwarding
                  Intermarket Trading System (ITS) commitments to the
                  appropriate exchange and processing their responses,
                  providing Broker/Dealers with Execution Reports as required,
                  and forwarding OptiMark Clearing Records to the appropriate
                  Broker/Dealers and National Securities Clearing Corporation
                  (NSCC) for clearing purposes.

                  2.4.8.   CLEARANCE AND SETTLEMENT

                  While OptiMark is not a registered broker dealer, the
                  OptiMark system shall operate under the existing clearing and
                  settlement procedures; simply put, OptiMark trades shall be
                  cleared and settled within three days of the trade.

                  Since OptiMark intends to comply with the existing rules and
                  regulations, this component is dedicated to ensuring the
                  proper information required for clearance and settlement is
                  provided to the PCX, the NSCC, the Institutions, and the
                  Broker/Dealers in the appropriate time frames.



                                     E - 6



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)


                  2.5.      OPTIMARK INFORMATION FLOW

                  Profiles shall be entered by institutions, broker/dealers, or
                  exchange Specialists, and shall be created using the OptiMark
                  Graphical User Interface (GUI), a Computer-to-Computer
                  Interface (CTCI) that complies with the FIX protocol, or the
                  PCX Interface. Using the OptiMark GUI, the trader shall be
                  able to draw satisfaction contour lines on a two dimensional
                  (price/size) grid, or use Profile templates whereby the
                  computer creates the corresponding Profile based on
                  pre-defined parameters. The Profiles shall include the order
                  type (buy, sell), the order sub-type (time-in-force and other
                  special instructions), and total quantity desired.

                  OptiMark shall leverage connections to the order routing
                  systems of the PCX. This connection shall allow retail orders
                  managed by Specialists the opportunity to trade with larger
                  buyers and sellers, at the Specialist's discretion. Standard
                  orders are easily converted into Profiles, allowing entry
                  into the OptiMark System.

                  The OptiMark system will read Consolidated Quotation System
                  (CQS) to determine quotes at all exchanges, and will send
                  commitments to trade over the Intermarket Trading System
                  (ITS), via PCX, as required. OptiMark records all trades,
                  updates the Profile records, and notifies the buyers,
                  sellers, and participating exchanges of all trades executed.
                  Trade reports are sent to the PCX for reporting to the
                  Consolidated Tape System (CTS).

                  The records required for clearance and settlement of OptiMark
                  trades will be generated by the OptiMark system and sent to
                  the PCX. The PCX will forward these records to the Designated
                  Broker/Dealers and to the NSCC. The actual clearance and
                  settlement process will continue to operate as today,
                  external to the OptiMark system.

                  2.6.     INSTRUMENTS SUPPORTED

                  Phase 1 of OptiMark shall support trading in US listed
                  equities at the Pacific Exchange (PCX).

                  The OptiMark System ultimately shall support several types of
                  instruments and trading strategies, including options, debt
                  instruments, futures, and currencies. The support for
                  additional instrument types and strategies is not included in
                  this Functional Requirements Specification.


                                     E - 7



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                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)



                  2.7.      RELATIONSHIP TO EXISTING SYSTEMS

                  2.7.1.   INTEGRATION WITH EXCHANGES, BROKER/DEALERS AND

                  SPECIALISTS/MARKET MAKERS
                  The OptiMark system is not an exchange. Rather, it is a
                  matching system, acting as a facility to an exchange that
                  will facilitate the interaction of buyers and sellers of all
                  types and sizes, from retail to institutional. OptiMark shall
                  support the inclusion of specialist/market maker orders for
                  their own positions (principal), as well as the electronic
                  book orders (agency) that the specialist/market maker routes
                  to the OptiMark system for trading. All Profiles flowing into
                  the OptiMark system shall be associated with an exchange and
                  shall have one or more Broker/Dealers that are members of the
                  exchange associated with them, for purposes of Trading Limit
                  approval, clearance and settlement. The association of an
                  assigned Broker/Dealer and exchange shall be enforced at the
                  client end, where the end User MUST specify the Broker/Dealer
                  and exchange routing as part of the Profile order entry.


                  2.7.2.   INTEGRATION WITH THE NATIONAL MARKET SYSTEM

                  The Intermarket Trading System (ITS) was implemented as a
                  means to address the requirement established in the
                  Securities Exchange Act of 1975 for a National Market System.
                  Listed equity securities traded on more than one exchange
                  must have a published best quotation (bid/ask price and
                  quantity) distributed via CQS. If a print on one exchange
                  will trade through a quotation on another exchange, the
                  specialist must send an ITS commitment to trade at the print
                  price for the size shown in that quotation.

                  The OptiMark system shall comply with ITS trading rules.
                  Therefore, OptiMark shall monitor market data for the trades
                  and quotations of all exchanges listing securities traded on
                  the PCX. This market data shall be used to determine if a
                  quote could be obtained from exchange(s) outside OptiMark. If
                  a quote is available from an outside exchange, the OptiMark
                  system shall direct the Pacific Exchange to submit a
                  commitment via ITS through its Regional Computing Interface
                  to the exchange(s). In this case, OptiMark will generate a
                  pending fill(s), based on the commitment submitted to the
                  exchange(s), which will become Fill(s) when a confirmation is
                  received.

                  The OptiMark system shall not receive ITS commitments
                  directly from other exchanges. However, at their discretion,
                  specialists may represent some or all of the size of arriving
                  ITS commitments in OptiMark by entering Profiles from their
                  OptiMark GUI application.

*  [Remainder of Schedule E pages 8-129]

---------------------------------
* This confidential portion has been omitted and filed separately with the
Commission.


                                     E - 8


<PAGE>   54


                                  CONFIDENTIAL

                          (OPTIMARK/IBM OPS AGREEMENT)

                                TABLE OF CONTENTS

<TABLE>
<CAPTION>
<S>      <C>                                                                                                            <C>
1.0      Definitions.....................................................................................................2
         1.1      Agreements.............................................................................................2
                  a)       "Agreement"...................................................................................2
                  b)       "Confidentiality Agreement"...................................................................2
                  c)       "Maintenance Agreement".......................................................................2
                  d)       "Managed OPS Agreement".......................................................................2
                  e)       "TMAX Agreement"..............................................................................2
         1.2      "Customers"............................................................................................2
         1.3      "IBM-Involved Applications"............................................................................2
         1.4      "IBM Related Company(ies)".............................................................................2
         1.5      Implementations........................................................................................3
                  a)       "First Exchange" or "Pacific Exchange"........................................................3
                  b)       "Additional Exchange(s)"......................................................................3
         1.6      "ITS Application Product"..............................................................................3
         1.7      "ITS Software".........................................................................................3
                           "ITS Software-Unix-Version"...................................................................3
         1.8      "Launch Date"..........................................................................................4
         1.9      "OPS Modification(s)" .................................................................................4
                  a)       "IBM-Made Modifications"......................................................................4
                  b)       "OptiMark-Made Modifications".................................................................4
         1.10     "OPS Modified Work"....................................................................................4
         1.11     "OPS User Server Copy(ies)"............................................................................4
         1.12     "OptiMark Auction Process Field".......................................................................4
         1.13     "OptiMark Licensable Modification Elements" ...........................................................5
         1.14     "OptiMark New Work"....................................................................................5
         1.15     "OptiMark Proprietary Element(s)"......................................................................5
         1.16     "OptiMark Proprietary System(s)".......................................................................5
         1.17     "OptiMark Related Company(ies)"........................................................................6
         1.18     "Person(s)"............................................................................................6
         1.19     "Ported Version".......................................................................................6
         1.20     "Work Commencement Date"...............................................................................6
2.0      Grant of License/Assignment and Grant Back/Permitted Use........................................................6
3.0      Delivery........................................................................................................8
4.0      Provisions for OptiMark's Use...................................................................................9
         4.1      Fees...................................................................................................9
         4.2      Development............................................................................................9
         4.3      Maintenance...........................................................................................10
4a.0     Technical Representative.......................................................................................10
5.0      Obligations....................................................................................................10
</TABLE>


                                       1



<PAGE>   55

<TABLE>
<S>      <C>                                                                                                            <C>
6.0      Access by Customers............................................................................................12
7.0      Intellectual Property Ownership ...............................................................................13
8.0      IBM Representations and Warranties/Limitation of Liability.....................................................14
9.0      IBM's Patent, Trade Secret and Trademark Indemnity/Notice of Claims............................................15
10.0     Software Defects and Errors....................................................................................18
11.0     IBM's Limitation of Liability..................................................................................19
12.0     OptiMark Warranty/Limitation of Liability......................................................................20
13.0     OptiMark's Patent, Trade Secret or Trademark Indemnity/Notice of Claim.........................................21
14.0     OptiMark's Limitation of Liability.............................................................................23
15.0     Confidential Information.......................................................................................24
16.0     Source code/Modifications......................................................................................26
17.0     Term and Termination...........................................................................................26
18.0     Effect of Termination..........................................................................................26
19.0     Notices........................................................................................................27
20.0     Assignment.....................................................................................................28
21.0     General........................................................................................................29
22.0     Acceptance.....................................................................................................32

SCHEDULE A - Identified Software Components of ITS Software............................................................A-1
SCHEDULE B - Procedure to Determine OptiMark Licensable Modification Elements..........................................B-1
SCHEDULE C - Fees for OptiMark's Use of the ITS Software and OPS Modified Work.........................................C-1
SCHEDULE D - List of Requirements That Do Not Meet the Performance Goals as Outlined
in the Open Issues/New Requirements Document Dated October 21, 1997, or the OTI Alpha
Performance Objectives Matrix..........................................................................................D-1
SCHEDULE E  - Detailed Design Documentation for OPS Modified Work......................................................E-1
</TABLE>


                                       2


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