Document:

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                              CORILLIAN CORPORATION
                            VOYAGER LICENSE AGREEMENT

Effective Date:  December 21, 1999

Wachovia Operational Services                Corillian Corporation ("Corillian")
Corporation ("Client")                       3601 SW Murray Blvd., Suite 300
809 W. 4-1/2 Street                          Beaverton, Oregon 97005
Winston-Salem, North Carolina 27150          (503) 627-0729
                                             FAX (503) 641-5575

On the terms and subject to the conditions set forth below Corillian and Client
(each a "Party" and collectively the "Parties") hereby enter into this License
Agreement (the "Agreement").

TERMS AND CONDITIONS

1.       GRANT OF LICENSE

1.1      Corillian hereby grants to Client a non-exclusive, non-transferable,
         perpetual license to use, as more particularly described in this
         Section 1 and in Section 2 hereof, production copies of certain
         computer software programs and associated documentation (the
         "Products"), as more particularly described in the Voyager Product
         Schedule (the "Product Schedule") executed contemporaneously and made a
         part of this Agreement, for the benefit of itself and its Affiliates
         (as defined in Paragraph 1.2 below).

1.2      Clients license to use the Products (including any third party software
         sublicensed through Corillian ("Third Party Software")) under this
         Agreement may not be assigned, sublicensed or otherwise transferred,
         whether by operation of law or otherwise, without Corillian's prior
         written consent which may be granted or withheld in Corillian's sole
         discretion; provided, however, that Client may assign its rights under
         this Agreement (without amendment or alteration of such rights) to an
         Affiliate of Client provided that Client gives Corillian written notice
         of such assignment and that such Affiliate agrees in writing to be
         bound by the terms of this Agreement and to assume Client's obligations
         hereunder. For purposes of this Agreement, the term "Affiliate" means
         an entity directly or indirectly, through one or more intermediaries,
         controlling, controlled by or under common control with an entity. For
         purposes of this definition, "control" shall mean the right to vote or
         direct the voting of at least fifty percent (50%) of the common stock
         or other ownership interest in the entity. An "Affiliate" shall also
         include any entity by or for which the Products had been used while
         such Affiliate was controlling, controlled by or under common control
         with Client, which, by reason of a spin-off, public offering, or the
         like, ceases to be controlling, controlled by or under common control
         with Client, provided, however, that such Affiliate shall cease to be
         an Affiliate in the event that an entity which is not an Affiliate
         subsequently acquires all of the common stock of such Affiliate. An
         affiliate shall not include an entity that acquires all of the common
         stock of Client, or an entity that acquires all of the common stock of
         the entity that owns all of the common stock of Client, unless such
         entity was an Affiliate of Client prior to such acquisition. In the
         event of such an acquisition, if the acquiring entity so desires, the
         parties agree to negotiate in good faith a license agreement for the
         Products, under which the acquiring entity would receive a credit for
         all license and other fees paid pursuant to Section 11 of the Product
         Schedule.

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1.3      No later than December 30, 1999, the parties, along with a mutually
         agreed upon escrow agent, agree to execute a Source Code Escrow
         Agreement (the "Escrow Agreement") substantially in the form attached
         as Exhibit A to this Agreement, and agree to maintain the same in
         effect for the term of the Agreement. The Escrow Agreement shall
         provide for the ongoing escrow of (i) the source code version of all
         Products in such form that will allow Client, upon release, to build
         and compile useable object code (ii) the similar source code version of
         any and all updates, modifications, revisions and enhancements to be
         delivered pursuant to this Agreement, as well as any other Products
         provided pursuant to the Product Schedule, Support Services Schedule,
         or otherwise pursuant to any agreement with the Client, and (iii) any
         and all documentation developed by Corillian or in its possession
         relating to the applicable source code (the "Source Code"). The Escrow
         Agreement shall provide for the release of the Source Code for any
         reason at any time upon written request by Client, in which event
         certain obligations to pay an exit fee may come into effect as more
         particularly described herein. In addition, the Escrow Agreement shall
         provide for the provision by Corillian of certain knowledge transfer
         and training services upon release of the Source Code from escrow and
         for the continuous updating of the Source Code so that the Source Code
         in escrow corresponds to the Products in use by Client. Upon any
         release of the Source Code from Escrow, Client shall be granted a
         license to the Source Code pursuant to the terms of the Escrow
         Agreement, and the Source Code shall become part of the Products for
         all purposes of this Agreement. After such release, Corillian will
         provide Client directly with new versions of the Source Code
         incorporating any Product modification, upgrades or enhancements or
         other change to the Products made by Corillian pursuant to the Product
         Schedule, Support Services Schedule or otherwise pursuant to any other
         agreement with Client within thirty (30) days of acceptance by Client
         of such modifications, upgrades or enhancements or other changes. In
         the event the parties are unable, by December 30, 1999, to execute such
         an Escrow Agreement, Client shall have the right to terminate this
         Agreement and shall receive a full refund of all fees (including, but
         not limited to, license, implementation and custom engineering) paid
         pursuant to Section 11 of the Product Schedule, and any other fees paid
         hereunder.

1.4      The license grant provided under this Agreement is an enterprise
         license. Client may utilize any number of copies of the Products in
         test, stress, development, production and business continuity
         environments at any facility of the Client or its Affiliates as the
         Client may elect. There shall be no license limitation on the number of
         customers accessing or utilizing the Products licensed herein to
         Client.

2.       SCOPE OF USE

2.1      The Products may be used only for, by, or on behalf of, Client and its
         Affiliates by employees of Client or its Affiliates or agents, vendors,
         contractors and consultants (including third party hosts) of Client or
         its Affiliates ("Consultants") at any facility of the Client or its
         Affiliates to: (i) process Client's or its Affiliates' own data in a
         production environment, including a backup mirrored system, (ii) to
         maintain, support, modify, enhance or upgrade the Products (iii) to
         otherwise perform testing and stress testing and development and (iv)
         to establish, test and operate a business continuity or off-site
         disaster recovery system. Client may not make any other use of the
         Products without the prior written consent of Corillian which may be
         granted or withheld in Corillian's sole discretion.

2.2      The parties agree that Client may, at its election, engage a Consultant
         or Consultants to use and operate or host the Products on behalf of
         Client or its Affiliates consistent with the terms and conditions as
         set forth herein, and that in such case the Products may be used at a
         facility owned or controlled by such Consultant or Consultants.

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2.3      Corillian and Client agree to negotiate in good faith the terms and
         conditions for a Private Label or Servicing Agreement under which
         Client would have the right to sublicense the Products to certain
         designated institutions, and under which Client would have the right to
         use the Products to process data and provide other services to third
         parties in a service bureau environment.

2.4      Except as set forth in Section 1.1, 1.2 and 4.1 hereof, and except as
         may be provided in any Private Label or Servicing Agreement as set
         forth in Section 2.3 hereof, Client will not sublicense, sell, rent,
         lease, give, transfer, assign, convey or otherwise dispose of any
         portion of the Products, including any Third-Party Software, including,
         but not limited to, any enhancement or modification thereto.

3.       FEES AND EXPENSES

3.1      Client shall pay Corillian the fees and expenses set forth in Section
         11 of the Product Schedule, in accordance with the schedule of payments
         set forth in such Product Schedule.

3.2      Any federal, state, excise, and local government fees, assessments,
         charges, and taxes connected with Client's license and use of the
         Products, other than taxes based upon the net income of Corillian,
         shall be the responsibility of Client.

4.       PROPRIETARY RIGHTS

4.1      Corillian retains and reserves title and all ownership rights to the
         Products. All general modifications, enhancements and releases provided
         to Client pursuant to the Support Services Schedule between Corillian
         and Client as well as modifications and enhancements made specifically
         for Client and modifications and enhancements made by Client shall be
         considered as part of the Products and owned by Corillian; provided,
         however, that in the event that Client terminates support pursuant to
         Section 13 of the Support Services Schedule, or pursuant to Section
         6.2, 11.2, 11.3 or 15 hereof, or pursuant to Section 7 or 8 of the
         Product Schedule, or in the event Corillian terminates support pursuant
         to Section 12.2 of the Support Services Schedule, all modifications and
         enhancements made thereafter specifically by or on behalf of Client
         shall be owned solely by Client, but such ownership shall only
         encompass the specific code modification or enhancement and does not
         include any of the underlying code to the Products The parties agree to
         negotiate in good faith the ownership of any modifications or
         enhancements which in the future may be developed by Corillian for
         Client pursuant to any engagement for additional custom engineering
         services. All physical documents and media containing Products sent to
         Client shall be deemed to be leased and not sold and their use
         licensed. Client acknowledges that this Agreement conveys a limited
         license, as expressed in this Agreement, and does not convey title or
         any ownership rights to the Products. Excepting the foregoing and all
         other work or services performed by Corillian pursuant to the
         Agreements, including any subsequent Change Orders, Amendments or
         Addenda thereto or related Work Orders, the parties acknowledge and
         agree that Client is and will be developing or will be having developed
         for it certain applications and interfaces that are complimentary to or
         are used in conjunction with the Products as a part of an integrated
         suite of financial and other services more broadly known as the "Prism
         Project." The parties acknowledge and agree that such applications,
         interfaces, discoveries, developments, concepts and other intellectual
         property associated with the Prism Project shall be the sole property
         of Client.

4.2      Client will not delete or in any manner alter the notices of
         intellectual property rights of Corillian (or of the vendor of any
         Third-Party Software licensed through Corillian) appearing on or
         resulting from use of the Products delivered to Client. As a condition
         of the license

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         rights granted to Client in this Agreement, Client will reproduce and
         display such notices on each copy it makes of any Product.

5.       CONFIDENTIAL INFORMATION

5.1      Corillian and Client acknowledge that in order to perform the services
         called for in this Agreement, it shall be necessary for each party to
         disclose to the other certain Confidential Information, as defined in
         Section 5.2 hereof. For purposes of this Section, a party disclosing
         Confidential Information shall be referred to as the "disclosing party"
         and a party receiving Confidential Information shall be referred to as
         a "receiving party". The receiving party recognizes, acknowledges and
         agrees that the Confidential Information of the disclosing party is a
         special, valuable and unique asset of the disclosing party, its
         affiliate(s) and its Consultant(s) which is considered secret and is
         disclosed to the receiving party in confidence. The receiving party
         agrees to take all reasonable precautions to prevent any portion of
         disclosing party's Confidential Information, in any form or medium,
         from being disclosed or made available by the receiving party or by any
         of the receiving party's employees to any other person, firm, or
         corporation except as is expressly permitted herein. In no event shall
         the receiving party take precautions any less stringent than those
         employed to protect its own trade secrets and proprietary information.
         The receiving party will use the disclosing party's Confidential
         Information only for the purposes set forth in this Agreement. The
         receiving party agrees that it shall not disclose, transfer, use, copy
         or allow access to any such Confidential Information of the disclosing
         party to any employees or any third parties, including Consultants,
         except for those who have a need to know such Confidential Information
         in order to accomplish the requirements of this Agreement and who are
         otherwise legally bound by obligations of confidentiality and
         limitation of use sufficient to give effect to this Section 5, except
         as otherwise permitted in this Agreement. The receiving party will
         .promptly return or certify the destruction of the Confidential
         Information of the disclosing party and all copies or extractions
         thereof to the disclosing party within five days of the termination of
         this Agreement. The receiving party shall promptly advise the other in
         writing of any misappropriation or misuse of the Confidential
         Information of the disclosing party by any person which may come to a
         receiving party's attention, and shall cooperate with the disclosing
         party in any action relating thereto.

5.2      As used herein, the term "Confidential Information" shall mean any
         information about a disclosing party's (or its affiliates' or
         Consultants') customers, data, operations, products, plans, processes,
         programs (including software and data processing programs), procedures,
         formulas, or other information that is confidential and proprietary to
         a disclosing party (or its affiliates or Consultants). Confidential
         Information shall not include any information which (i) is or becomes
         generally available to the public other than as a result of disclosure
         by the receiving party, its employees or agents; (ii) was within the
         receiving party's possession on a non-confidential basis prior to its
         disclosure by the disclosing party to the receiving party pursuant
         hereto; (iii) is lawfully obtained by the receiving party from a third
         party without any obligation of by the receiving party to maintain the
         information as confidential or proprietary and without a known breach
         of an obligation of confidentiality; (iv) is independently developed by
         the receiving party without reference to the Confidential Information
         of the disclosing party; or (v) receiving party is required to disclose
         by law, regulation or judicial or regulatory order, provided that the
         receiving party shall promptly notify the disclosing party of such
         requirement so that the disclosing party may have such opportunity as
         may be available to seek an appropriate protective order or otherwise
         seek to protect the confidentiality of such Confidential Information.
         The parties may also disclose each other's Confidential Information to
         its internal and external auditors, accountants and attorneys, and to
         its regulators. Without limiting the generality of the foregoing,
         Corillian acknowledges and agrees that the terms of confidentiality
         under this Agreement shall not be construed to limit Client's right to

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         independently develop or acquire, or have developed for it, products
         concepts, systems or techniques without use of the Confidential
         Information that are similar to or compete with the products, concepts,
         systems or techniques contemplated by or embodied in the Confidential
         Information.

5.3      The parties hereto acknowledge that (i) the restrictions contained in
         this Agreement are necessary to protect each of the parties'
         proprietary interest in its Confidential Information, (ii) remedies at
         law will be inadequate and any violation of these restrictions will
         cause irreparable harm or damage to a disclosing party not compensable
         in monetary damages and accordingly (iii) a disclosing party shall be
         entitled to injunctive relief against any violation by the receiving
         party

5.4      The obligations set forth in this Section 5 as they pertain to
         Confidential Information shall survive the termination of this
         Agreement and shall continue for so long as the relevant information
         remains confidential.

6.       WARRANTY, REMEDY AND LIMITATION OF LIABILITY

6.1      Corillian represents and warrants as follows:

         6.1.1    That the Products are compatible with Client's data processing
                  system.

         6.1.2    That at the time each Component of Products is accepted (as
                  defined in Section 7 of the Product Schedule) and for a period
                  of ninety (90) days thereafter, the such Component of the
                  Products will perform all the functions described in Exhibit 1
                  to the Product Schedule. Corillian does not warrant that the
                  Products will operate uninterrupted or error-free.

         6.1.3    That Corillian has the right to license the Products to Client
                  as provided herein and that the Products, as used within the
                  scope of this Agreement, do not infringe copyright, patent,
                  trademark or other proprietary rights of a third party.

         6.1.4    That the Products provided pursuant to this Agreement and used
                  by Client and its customers prior to, during or after the
                  calendar year 2000 include or shall include, at no additional
                  cost to Client, design and performance capabilities so that
                  Client shall not experience abnormally ending and/or invalid
                  and/or incorrect results from their use in the operation of
                  the business of Client. Furthermore, Corillian represents and
                  warrants that the Products will under normal use and service,
                  record, store, process and present calendar dates failing on
                  or after January 1, 2000, in the same manner, and with the
                  same functionality, data integrity and performance, as the
                  Products record, store, process and present calendar dates on
                  or before December 31, 1999. Corillian warrants that the
                  Products will lose no functionality with respect to the
                  introduction of records containing dates falling on or after
                  January 1, 2000.

                  The warranty set forth above applies only to the Products.
                  Corillian cannot, and does not, warrant that any hardware or
                  software with which the Products interact or to which the
                  Products are connected will be Year 2000 compliant. If the
                  Products do not operate, execute or otherwise function
                  properly as a result of flaws, errors, problems or defects in
                  hardware or software not provided or supplied by Corillian,
                  then Corillian shall have no obligations under this warranty.

         6.1.5    The warranties provided in Sections 6.1.1, 6.1.2, 6.1.3 and
                  6.1.4 shall not apply if (i) the Products are used other than
                  in a manner contemplated by the parties,

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                  consistent with the features and functions defined in the
                  Product Schedule and in accordance with Corillian's
                  instructions, (ii) the Products are altered or modified by
                  Client without the written approval of Corillian, (iii) if the
                  Products do not perform because data communication is
                  interrupted by the action or inaction of Client or a third
                  party; or (iv) any other cause within the reasonable control
                  of Client shall cause the alleged breach.

         6.1.6    OTHER THAN AS EXPRESSLY STATED IN THIS AGREEMENT, CORILLIAN
                  MAKES NO OTHER WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH
                  RESPECT TO THE PRODUCTS OR ANY SERVICES PROVIDED IN CONNECTION
                  WITH THIS AGREEMENT, INCLUDING WITHOUT LIMITATION THE IMPLIED
                  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                  PURPOSE.

         6.1.7    The vendors of Third-Party Software make no warranties,
                  express or implied, to Client.

6.2      Client's remedies are as follows:

         6.2.1    In all situations involving performance or non-performance of
                  the Products, Corillian's liability and Client's remedy shall
                  be limited to having Corillian supply as soon as practicable
                  code corrections as required to enable the Products to perform
                  the functions described in the Product Schedule. If after
                  sixty (60) days, Corillian is unable to make the Products
                  operate as warranted, Client may, at its option, (i)
                  regardless of whether Client shall have previously received
                  the Source Code pursuant to the Escrow Agreement, discontinue
                  use of the Products, terminate this Agreement, and the license
                  granted hereunder and receive a refund of the fees paid for
                  such license, less the reasonable value of use, calculated
                  using a three year straight line depreciation (if occurring
                  during the warranty period, there shall be no deduction for
                  reasonable use), and cancel all obligations with respect to
                  payment of custom engineering and implementation fees not
                  previously incurred prior to notice of termination and
                  terminate the Support Services Schedule without payment of an
                  exit fee thereunder and receive a pro-rata refund of fees paid
                  thereunder; (ii) Client may continue to use the Products with
                  reductions in the License Fee or Support Services Fee as the
                  parties may mutually agree shall be fair and equitable or
                  (iii) continue to use the Products, terminate the Support
                  Services Schedule, receive a pro-rata refund of the Support
                  Fees paid thereunder, pay Corillian an exit fee of $[ * ], or
                  the amount owing under Section 13.2 of the Support Services
                  Schedule, whichever is less and shall receive the Source Code
                  pursuant to the Escrow Agreement, including the knowledge
                  transfer obligation specified in Section 11 of the Support
                  Services Schedule and thereunder. In the event that Client has
                  previously exercised its election to receive the Source Code
                  pursuant to the Escrow Agreement, Client shall have the same
                  three remedies available to it. With respect to option (i),
                  Client shall return to Corillian or certify to Corillian
                  destruction of all copies of the Source Code thereof within 30
                  days of notice of termination and with respect to option
                  (iii), regardless of whether Client shall have previously
                  exercised its election to receive the Source Code, Corillian
                  shall complete the knowledge transfer obligation specified

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

         * Portion has been omitted pursuant to a request for confidential
treatment and filed separately with the Commission.

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                  in Section 11 of the Support Services Schedule and under the
                  Escrow Agreement, if it has not already done so, and until
                  such completion shall continue to provide problem resolution
                  services on a time and materials basis, and Client shall pay
                  the exit fee upon completion of knowledge transfer.

         6.2.2    For personal injury caused by Corillian's fault or negligence,
                  Client's remedies shall be provided as under applicable law
                  subject to the limitation contained in section 6.3 below.

6.3      EXCEPT AS SET FORTH IN SECTION 7.1 HEREOF, UNDER NO CIRCUMSTANCES SHALL
         EITHER PARTY BE LIABLE FOR ANY INDIRECT, SPECIAL OR CONSEQUENTIAL
         DAMAGES, ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE PRODUCTS
         OR ANY SERVICES PROVIDED IN CONNECTION WITH THIS AGREEMENT OR ANY OTHER
         ASPECT OF THIS AGREEMENT, INCLUDING LOST REVENUES OR PROFITS, LOSS OF
         BUSINESS, OR LOSS OF DATA, REGARDLESS OF WHETHER A CLAIM IS BASED ON
         CONTRACT, TORT, OR OTHERWISE, EVEN IF SUCH PARTY WAS ADVISED OR HAD
         REASON TO KNOW OF THE POSSIBILITY THEREOF.

6.4      THE PARTIES HAVE AGREED THAT THE LIMITATIONS SPECIFIED IN THIS SECTION
         SIX WILL SURVIVE AND APPLY EVEN IF ANY LIMITED REMEDY SPECIFIED IN THIS
         AGREEMENT IS FOUND TO HAVE FAILED OF ITS ESSENTIAL PURPOSE.

7.       INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS; INDEMNIFICATION

7.1      Corillian agrees to defend, indemnify and hold harmless Client and its
         Affiliates against any third-party claims, liabilities, losses,
         damages, costs and expenses (including reasonable attorneys' fees)
         arising from or in connection with any claim that the Products, as used
         within the scope of this Agreement, infringe or otherwise violate or
         misappropriate any copyright, patent, trademark or other proprietary
         rights of a third party. Notwithstanding the foregoing, Corillian shall
         have no obligation to indemnify Client or its Affiliates if any such
         third-party claim is caused by a modification or customization of the
         Products made by Client or its Affiliates without the written consent
         of Corillian, and Corillian shall also have no obligation to indemnify
         Client or its Affiliates to the extent such a claim arises out of the
         negligence or willful misconduct of Client or its Affiliates.

7.2      In the case of any claim arising under this Section 7 or under Section
         8 hereof, (i) the indemnified party shall notify the indemnifying party
         in writing within a reasonable time of receipt of written notice of any
         such claim, (ii) the indemnifying party shall have control of the
         defense and all related negotiations, including settlement
         negotiations, provided, however that the indemnifying party shall not
         impose any obligations upon the party seeking indemnification in the
         absence of such party's written consent, and (iii) the indemnified
         party shall provide the indemnifying party with reasonable assistance,
         information and authority necessary to perform the above obligations.
         Reasonable out-of-pocket expenses incurred by the indemnified party in
         providing such assistance will be reimbursed as promptly as practicable
         by the indemnifying party.

7.3      If Client's use of any Products under the terms of this Agreement is,
         or in Corillian's opinion is likely to be, enjoined due to
         infringement, violation or misappropriation claims, then Corillian may,
         at its sole option and expense, either: (i) procure for Client the
         right to continue using such Products under the terms of this
         Agreement; (ii) replace or modify such Products so that they are
         non-infringing, violating or misappropriating and substantially
         equivalent in function; or (iii) if options (i) or (ii) above cannot be
         accomplished despite the reasonable efforts of Corillian, then
         Corillian may both:

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         7.3.1    Terminate Client's rights and Corillian's obligations under
                  this Agreement with respect to such Products, and

         7.3.2    Refund to Client the unamortized portion of the license fees
                  paid by Client to Corillian. Amortization is to be calculated
                  using a five-year straight line depreciation method.

7.4      THE FOREGOING ARE CORILLIAN'S SOLE AND EXCLUSIVE OBLIGATIONS, AND
         CLIENT'S SOLE AND EXCLUSIVE REMEDIES, WITH RESPECT TO INFRINGEMENT,
         VIOLATION OR MISAPPROPRIATION OF INTELLECTUAL PROPERTY RIGHTS.

7.5      Corillian shall have no obligations under this section 7 with respect
         to infringement or misappropriation arising from (i) modifications to
         the Products that were not authorized by Corillian, (ii) Product
         specifications requested by Client, unless approved by Corillian or
         (iii) the use of the Products in combination with products not
         provided, recommended or otherwise contemplated by Corillian, unless
         Corillian has been given prior written notice of such use and has
         approved it in writing, which approval may be granted or withheld in
         Corillian's sole discretion.

7.6      The provisions of this Section 7 shall survive the termination of this
         Agreement.

8.       INDEMNIFICATION BY CLIENT

         Client agrees to defend, indemnify and hold harmless Corillian against
         any third-party claims, liabilities, losses, damages, costs and
         expenses (including reasonable attorneys' fees) arising out of any acts
         or omissions of Client in breach of its obligations under this
         Agreement.

9.       EXPORT RESTRICTIONS

         This Agreement is expressly made subject to all laws, regulations, and
         orders relating to or other restrictions on, the export of the Products
         from the United States of America, which may be imposed from time to
         time. Client may not export or re-export the Products, including
         Third-Party Software, or Confidential Information of Corillian. The
         foregoing restrictions shall not prevent a Client customer located
         outside of the United States from accessing the Products to perform
         account transactions supported by the Products.

10.      MUTUAL RESTRICTION ON EMPLOYEE SOLICITATION

         So long as Corillian is performing services under any Support Services
         Schedule, neither Client nor Corillian shall either directly or
         indirectly, through any person with direct knowledge of the terms of
         this Agreement, solicit or offer employment to any of such other
         Party's employees, with whom such hiring Party has had contact in the
         course of performance of services under such Support Services Schedule
         either for its own business or for the business of a third party,
         except with the prior written approval of the other. The foregoing
         restriction shall not apply to Client in the event Corillian fails to
         provide any knowledge transfer or training services required pursuant
         to the Support Services Schedule or the Escrow Agreement.

11.      TERM AND TERMINATION

11.1     The term of this Agreement and the license granted pursuant to this
         Agreement shall commence upon the effective date specified above, or if
         not specified, then upon execution of this Agreement by Corillian and
         Client. The license granted hereunder is a perpetual license. Corillian
         may, in its sole discretion, sooner terminate this Agreement and the
         license granted

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         hereunder (i) immediately if Client materially violates or permits the
         material violation of any of the provisions of section 5 of this
         Agreement provided that such violation relates to a disclosure
         concerning Corillian's intellectual property rights in the Products, or
         (ii) thirty (30) days after Corillian notifies Client in writing of any
         other breach by Client, provided such breach remains uncorrected thirty
         (30) days following receipt by Client of written notification of such
         breach, unless such breach is not capable of being cured within such
         thirty (30) day period, in which case such cure period shall be
         reasonably extended by Corillian. In either event, Client shall receive
         no refund of any license fee or other charges paid hereunder.

11.2     If Corillian (i) is the subject of an order for relief under Chapter 7
         or Chapter 11 of the Bankruptcy Code; (ii) is operated by a receiver,
         custodian, trustee or liquidator or as debtor in possession; (iii)
         makes an assignment for the benefit of creditors; or (iv) terminates
         substantially all of its ongoing business operations relating to the
         Products or is liquidated, Client may upon thirty (30) days prior
         written notice (a) sooner terminate this Agreement, the Support
         Services Schedule and discontinue use of the Products or (b) terminate
         the Support Services Schedule, elect to obtain Source Code pursuant to
         the Source Code Escrow Agreement, including knowledge transfer
         thereunder and pursuant to the Support Services Schedule, and
         thereafter continue to utilize the Products and the Source Code without
         payment of an exit fee. The parties agree that, in the event any of the
         contingencies set forth in this paragraph shall occur, or in the event
         Corillian files a voluntary petition for bankruptcy relief or an
         involuntary bankruptcy petition is filed against Corillian and an order
         for relief is entered, Client shall have all the rights and obligations
         provided to it under 11 U.S.C. Section 365(n).

11.3     In addition, except as otherwise expressly set forth herein, if
         Corillian commits a material breach of this Agreement, and such breach
         remains uncured thirty (30) days after Client has provided written
         notice thereof to Corillian, unless such breach is not capable of being
         cured within such thirty (30) day period, in which case such cure
         period shall be reasonably extended by Client, Client may, at its
         option (i) regardless of whether Client shall have previously received
         the Source Code pursuant to the Escrow Agreement, discontinue use of
         the Products, terminate this Agreement and cancel all obligations with
         respect to payment of custom engineering and implementation fees not
         previously incurred prior to notice of termination, and receive a
         refund of any license fees for applications not previously accepted and
         terminate the Support Services Schedule without payment of an exit fee
         and receive a pro-rata refund of fees paid thereunder; (ii) continue to
         use the Products with reductions in the License Fee and Support
         Services Fee as the parties may mutually agree shall be fair and
         equitable, or (iii) continue to use the Products, terminate the Support
         Services Schedule, receive a pro-rata refund of the Support Fees paid
         thereunder, pay Corillian an exit fee of $[ * ], or the amount owing
         under Section 13.2 of the Support Services Schedule, whichever is less
         and shall receive the Source Code pursuant to the Escrow Agreement,
         including the knowledge transfer obligation specified in Section 11 of
         the Support Services Schedule and thereunder. In the event that Client
         has previously exercised its election to receive the Source Code
         pursuant to the Escrow Agreement, Client shall have the same three
         remedies available to it. With respect to option (i), Client shall
         return to Corillian all copies of the Source Code or certify the
         destruction thereof within 30 days of notice of termination and with
         regard to option (iii), regardless of whether Client shall have
         previously exercised its election to receive the Source Code, Corillian
         shall complete the knowledge transfer obligation

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

         * Portion has been omitted pursuant to a request for confidential
treatment and filed separately with the Commission.

                                                                          PAGE 9

<PAGE>

         specified in Section 11 of the Support Services Schedule and under the
         Escrow Agreement, if it has not already done so, and until such
         completion shall continue to provide problem resolution services on a
         time and materials basis and Client shall pay the exit fee upon
         completion of knowledge transfer.

11.4     Notwithstanding the termination of this Agreement pursuant to Sections
         11.2 or 11.3, Client may not, under any circumstances, sell, disclose,
         assign, transfer in any way or dispose of the Products, any part or
         portion thereof, or the associated documentation, except as expressly
         permitted herein.

12.      AUTHORITY; COMPLIANCE WITH LAW

         Each Party represents and warrants that (i) it has the power and
         authority to enter into this Agreement and has taken all necessary
         corporate action to authorize its performance under this Agreement,
         (ii) this Agreement, when executed and delivered, will constitute a
         legal, valid and binding obligation of each such Party, enforceable in
         accordance with its terms, (iii) no consent or authorization of, filing
         with, or notice to any governmental authority is required in connection
         with its performance under this Agreement, and (iv) its entering into
         this Agreement or performance by it hereunder will not violate any
         federal, state or local licensing or other statute, rule or regulation,
         or any contractual obligation of such Party. Each Party agrees to
         comply in all material respects with all applicable laws, rules and
         regulations in connection with its activities under this Agreement.
         Without limiting the generality of the foregoing, Corillian represents
         and warrants that the Products, when implemented, will comply, or shall
         contain the functionality to permit Client to comply with all federal,
         state and local laws and regulations then applicable to the
         functionality of and services to be performed by the Products.

13.      ESSENTIAL PERSONNEL

         The Parties agree that the services of the following Corillian
         employees (individually, an "Essential Party" and collectively
         "Essential Parties") are essential to the satisfactory performance by
         Corillian of the services called for in the Product Schedule: Darrell
         Johnsrud, Stephen Schaefer, Terry Ishida and Jeff Grossman. The Parties
         further agree that if any Essential Party leaves the employ of
         Corillian prior to Client acceptance of all of the Products, as defined
         in the Product Schedule, for any reason or is unavailable to continue
         to support the performance of services called for herein, in the
         Product Schedule or Support Services Schedule, and if substitute
         individuals acceptable to Client are not available to continue within
         thirty (30) days, Client shall have the rights set forth in Section
         11.3 hereof.

14.      ARBITRATION

14.1     All disputes and controversies arising out of or in any way related to
         this Agreement, the Product Schedule and the Support Services Schedule
         shall be submitted to arbitration proceedings, which proceedings shall
         be conducted under the commercial rules then prevailing of the American
         Arbitration Association by a panel of three arbitrators. Corillian and
         Client shall modify the time schedules provided under such rules and
         shall use their best efforts to meet deadlines such that the
         arbitration is concluded within ninety (90) days following its
         initiation, or such other reasonable time as may be agreed by the
         parties. The decisions of the arbitrators shall be final and binding
         for all purposes on Corillian and Client and may be entered and
         enforced in any court of competent jurisdiction.

14.2     Both Corillian and Client acknowledge that important issues are at
         stake related to Corillian and Client's rights under this Agreement,
         the Product Schedule, the Escrow Agreement and

                                                                         PAGE 10

<PAGE>

         the Support Services Schedule. Therefore, both Corillian and Client
         shall be entitled, at their discretion, to seek interim court relief,
         including, but not limited to, preliminary injunctive, emergency,
         specific performance, and other equitable relief without proof of
         monetary damages, by application to a court of competent jurisdiction.
         Corillian's and Client's agreement immediately above to submit to
         arbitration shall not preclude Corillian or Client from seeking such
         relief pending the outcome of arbitration.

15.      FORCE MAJEURE

         Neither Party shall be held liable for failure to fulfill its
         obligations hereunder if such failure is due to a natural calamity, act
         of government, or similar cause beyond the control of such Party.
         Notwithstanding the foregoing, unless agreed to in writing by the
         non-defaulting Party, any delay exceeding ninety (90) days shall be
         grounds for termination by the non-defaulting Party if such delay is
         not cured after thirty (30) days written notice of a Party's intent to
         terminate. Client's termination rights shall be governed by Section
         11.3 hereof.

16.      SEVERABILITY

         If any provision of this Agreement is held by a court of competent
         jurisdiction to be invalid or unenforceable, that provision will be
         enforced to the maximum extent permissible and the remaining provisions
         of this Agreement will remain in full force and effect.

17.      NOTICES

         All notices, reports, instructions, requests, and other communications
         given under this Agreement shall be in writing and shall be deemed to
         have been given or made (i) if by mail, when received by certified
         mail, postage prepaid, return receipt requested; or (ii) if by
         facsimile, when sent by facsimile to the facsimile number set forth
         below with evidence of receipt by sender or (iii) if by courier, when
         received; provided, however, that either party may change its address
         or facsimile number for notices by providing notice to the other party
         of such change in the manner provided herein. Notices shall be directed
         to the following addresses or facsimile numbers:

                  To Corillian:             Corillian Corporation
                                            3601 S.W. Murray Blvd., Suite 300
                                            Beaverton, OR 97005
                                            Telephone: (503) 627-0729
                                            Facsimile: (503) 641-5575
                                            Attention:      Thomas Brooke

                  To Client:                Wachovia Operational Services
                                            Corporation ("Client")
                                            c/o Wachovia Bank, N.A.
                                            101 N. Cherry Street
                                            Winston-Salem, North Carolina 27102
                                            Telephone: (336) 735-5815
                                            Facsimile: (336) 735-5831
                                            Attention:  Digital Platform Manager
                                                       (Joanna Giacobbe)

18.      GENERAL GOVERNING LAW

         This Agreement shall be interpreted, construed and enforced under the
         laws of the State of New York without reference to its choice of law
         rules.

                                                                         PAGE 11

<PAGE>

19.      PRESS RELEASES

         Upon acceptance of the Products in accordance with this Agreement, or
         at such earlier time as may be mutually agreed by the parties in
         writing, the parties may issue a mutually agreed to joint press release
         describing the Agreement and the provision of Products and services
         under the Product Schedule and Support Services Schedule. Neither party
         shall issue any other public statement or press release regarding this
         Agreement or the relationship of the parties without the prior written
         approval of the other. The terms of this Agreement shall in all
         respects be considered to be Confidential Information. In the event
         that either party is required by law to make any public statement or to
         otherwise disclose the terms of this Agreement, that party agrees to
         provide reasonable notice of such disclosure and to provide a copy of
         the content of such disclosure a reasonable time prior to the time such
         disclosure shall be made.

20.      GENERAL

20.1     The failure at any time by either Party to enforce, or to exercise any
         election under, any provision of this Agreement will not be construed
         as a waiver of such provision or election, or in any way as affecting
         the validity of this Agreement or any part thereof, or the right of
         such Party thereafter to enforce, or to exercise any election under,
         each and every provision of this Agreement.

20.2     This Agreement shall inure to the benefit of, and be binding upon, the
         Parties hereto and their permitted successors and assigns.

         Corillian and Client acknowledge and agree that all rights and benefits
         of and duties owing to Client under this Agreement shall also be deemed
         to be rights and benefits of and duties owing to Client Affiliates,
         provided that such Affiliates have agreed in writing to be bound by the
         terms of this Agreement.

20.3     No amendment of this Agreement shall be binding unless it is in writing
         and signed by both Parties.

20.4     This Agreement may be executed in counterparts, each of which shall be
         deemed an original but all of which shall together constitute one and
         the same agreement.

20.5     This Agreement does not create, and shall not be construed to create,
         any joint venture or partnership between the Parties. No officer,
         employee, agent, servant or independent contractor of either Party
         shall be at any time be deemed to be an employee, servant, agent or
         contractor of the other Party for any purpose. The Parties are
         independent contractors, not employees, agents or representatives of
         each other. Neither Party has the right to bind the other to any
         agreement except as may be specifically provided herein.

20.6     Except to the extent such remedies are expressly stated to be
         exclusive, no remedy conferred by any of the specific provisions of
         this Agreement is intended to be exclusive of any other remedy. The
         election of any one remedy by a Party shall not be deemed to constitute
         a waiver of the right to pursue other available remedies.

20.7     In the event of any dispute arising out of the subject matter of this
         Agreement, the prevailing Party shall recover, in addition to any other
         damages assessed, its reasonable attorneys' fees and court costs
         incurred in arbitrating or litigating such dispute.

                                                                         PAGE 12

<PAGE>

20.8     This Agreement, the Product Schedule, the Escrow Agreement and the
         Support Services Schedule constitute the entire agreement between the
         Parties with respect to the subject matter hereof and supersede all
         prior discussions, negotiations, communications and agreements, oral or
         written, relating to the subject matter hereof.

         Each Party represents that it has read this Agreement, understands its
         terms and conditions and agrees to be bound by the Agreement, and that
         the person signing on behalf of each such Party is duly authorized to
         sign the Agreement on behalf of the Party for which s/he signs and to
         bind that Party to the terms and conditions of the Agreement.

Wachovia Operational Services Corporation           Corillian Corporation
("Client")

Date:     12/22/99                                   Date:  12/23/99
     ------------------------------------                 ----------------------

By:       /s/                                        By:   /s/ Kirk Wright
   --------------------------------------               ------------------------
                                                         Kirk Wright, President

                                                                         PAGE 13

<PAGE>

                              CORILLIAN CORPORATION
                            VOYAGER PRODUCT SCHEDULE

Effective Date: December 21, 1999

Wachovia Operational Services                Corillian Corporation ("Corillian")
Corporation ("Client")                       3601 SW Murray Blvd., Suite 300
809 W. 41/2 Street.                          Beaverton, Oregon 97005
Winston-Salem, North Carolina  27150         (503) 627-0729
                                             FAX (503) 641-5575

Corillian Corporation ("Corillian"), an Oregon corporation, and Client agree
that this Voyager Product Schedule (the "Product Schedule") shall be
incorporated into and made subject to the provisions of the Corillian Voyager
License Agreement (the "Agreement") as of the effective date set forth above.

1.       PRODUCTS

The following products, as modified for Client's use, have been licensed to
Client pursuant to the Agreement:

              Voyager 2.4 Transaction Processing System/Control Center
              1.0.2 OFX Banking & Bill Payment
              V-Bill Presentment 2.6
              Small Business 1.0
              Target Marketing 1.0

Each of the foregoing is referred to as a "Component". The foregoing Components
together with any applications, custom engineering items or deliverables,
scripts, templates or other software created by Corillian in the course of
performing implementation or other professional services for Client as well as
all product documentation, if any, in electronic or hard copy formats, all
related technical information, and all updates and enhancements thereto are
collectively referred to as the "Products." In addition, the term "Products"
shall include the Source Code, as defined in the Agreement.

2.       FEATURES AND FUNCTIONS

The Products shall have the features and functions and be installed in
accordance with the Project Deliverables Schedule, attached hereto as Exhibit 1.
With regard to any Phase 2 or later Component of the Products, unless otherwise
agreed, the features and functions set forth on Exhibit 1 shall be minimum
features and functions. Such Components shall have at least the features and
functions set forth on Exhibit 1, and the features and functions of the previous
version of such Component, unless otherwise agreed by the parties, and shall
have such other or additional features and functions as may be mutually agreed
by the parties.

3.       BILL PAYMENT PROCESSING

The Voyager system, and any related or later custom engineering deliverables,
will acquire bill payment instructions from Client's customers and forward the
electronic payment instructions to Client's bill pay system for processing and
payment. Client shall provide all appropriate infrastructure and support
agreements for bill payment. Bill Payment functionality is included in this
agreement based on Client's selection of a standard implementation to CheckFree
for bill pay processing.

                                       1
<PAGE>

4.       OFX SPECIFICATION AND CERTIFICATION

Corillian's Voyager OFX product has been designed to meet OFX specification
version 1.0.2 as distributed by the Open Financial Exchange committee. Corillian
is not responsible for any changes to the OFX specification and transaction set.
Corillian will make its best effort to accommodate changes to the OFX
specifications, including adoption of IFX, XML or other data specifications,
that may be distributed by the OFX standards committee, Corillian will support
subsequent versions of OFX, or versions of IFX or XML, which are required to
support banking and bill pay transactions in subsequent commercial releases of
Microsoft Money-Registered Trademark- and Quicken-Registered Trademark-.
Corillian shall not be held responsible for any delays caused by any change
to such specifications unless Corillian does not exercise due diligence to
accommodate such changes.

A third party certification company shall be authorized to perform OFX
certifications by the OFX alliance companies (CheckFree, Intuit and Microsoft.)
Corillian shall not be held responsible for any delays or missed delivery dates
by a third party unless and to the extent Corillian has contributed to such
delays or missed delivery dates.

5.       INSTALLATION AND CONFIGURATION

         5.1      The Products shall be installed and configured by Wachovia,
                  with the assistance or supervision of Corillian, or its
                  agents.

         5.2      Client shall make available computer equipment and software
                  configurations approved by Corillian as adequate to facilitate
                  the installation and implementation of the Products.

         5.3      Installation of Product Components shall be in accordance with
                  the Project Deliverables Schedule, which is attached hereto as
                  Exhibit 1, and according to such time frames as may be
                  mutually agreed by the parties.

         5.4      Client agrees to install, with Corillian's assistance, all
                  product updates, which support the features and functions
                  described in Exhibit 1.

6.       TRAINING SERVICES

Corillian shall provide the following training services at Client's location as
a part of the total project cost:

-    One-day, instructor-led training, in the use of Control Center for customer
     service supervisors and one-half day for customer service and call center
     employees.

-    One-day, instructor-led training in the use of Marketing Center for
     individuals who will be responsible for planning and executing targeted
     marketing campaigns delivered to electronic banking customers.

-    One-day, instructor-led training, for individuals who will be responsible
     for establishing, monitoring, and troubleshooting daily bill pay processing
     runs.

-    One-half day, instructor-led training, for individuals will be responsible
     for post-run bill pay reconciliation.

-    One day classroom presentation of the system architecture of all Voyager
     components, their functions and configuration, tuning and debug parameters.
     The training will identify how each type of customer (Client internal
     (i.e., Call Center), external web-based / PFM) executes all the various
     transaction types through the system. This training will cover the
     troubleshooting tools and methodologies that will be used to support the
     Voyager components.

                                       2

<PAGE>

7.       ACCEPTANCE CRITERIA

         7.1      The Parties contemplate that the installation of different
                  Components and custom engineering deliverables will be
                  completed at different times. The following are the conditions
                  that must be fulfilled prior to acceptance by Client of a
                  Component of the Products or a custom engineering deliverable:

                  7.1.1    Installation evidenced by host connectivity and
                           access to account data.

                  7.1.2    The Component or custom engineering deliverable
                           contains the features and successfully performs the
                           functions described in Exhibit 1; provided however
                           that any function not enabled due to the inability
                           of client to provide in a timely fashion support,
                           equipment, software, infrastructure or third-party
                           authorization necessary for Corillian to implement
                           such function shall be considered implemented for
                           purposes of acceptance hereunder. Notwithstanding
                           any such acceptance, Corillian agrees to complete
                           the implementation as provided in the Agreements,
                           based on a delivery schedule to be mutually agreed
                           upon by the parties, once Client provides the
                           necessary support, equipment, software,
                           infrastructure or third-party authorization.

                  7.1.3    Completion of User Acceptance Testing, the procedures
                           and time frames for which shall be as mutually agreed
                           by the parties.

                  7.1.4    Delivery of a clean installation program and a clean
                           installation.

                  7.1.5    Delivery of acceptable hardware configuration and
                           product support documentation sufficient to allow
                           Client to operate the Products on a day to day basis.

         7.2      Acceptance of a Component or custom engineering deliverable
                  shall be evidenced by (a) Client executing a document
                  substantially in the form of Exhibit 2 attached hereto, or (b)
                  commercial release of any feature or function described in
                  Exhibit 1 for use by Client's customers, whichever is earlier.

         7.3      In the event that all of the Phase 1 Core Components or custom
                  engineering deliverables are not accepted, Client may, upon
                  fifteen (15) days notice to Corillian terminate this
                  Agreement, the License Agreement and the Support Services
                  Schedule without payment of any exit fee thereunder and
                  receive a refund of all fees paid pursuant to Section 11
                  hereof, excluding expenses and fees for implementation and
                  custom engineering work incurred prior to such notice, and of
                  the Support Fees paid pursuant to Section 2 of the Support
                  Services Schedule.

         7.4      In the event that all of the Phase 2 Components or Phase 2 or
                  Phase 3 custom engineering deliverables are not accepted,
                  Client may, at its option (i) regardless of whether Client
                  shall have previously received Source Code pursuant to the
                  Escrow Agreement, discontinue use of the Products, terminate
                  this Agreement and cancel all obligations with respect to
                  payment of custom engineering and implementation fees not
                  previously incurred prior to notice of termination, and
                  receive a refund of any license fees for applications not
                  previously accepted and terminate the Support Services
                  Schedule without payment of an exit fee and receive a pro-rata
                  refund of fees paid thereunder; (ii) Client may continue to
                  use the Products with reductions in the License Fee and
                  Support Services Fee as the parties may mutually agree shall
                  be fair and equitable, or (iii) continue to use the Products,
                  terminate the Support Services Schedule, receive a pro-rata
                  refund of the Support Fees paid thereunder, pay Corillian an
                  exit fee of $[ * ], or the

------------------------
* Portion has been omitted pursuant to a request for confidential treatment and
filed separately with the Commission.

                                       3

<PAGE>

                  amount owing under Section 13.2 of the Support Services
                  Schedule, whichever is less, and shall receive the Source Code
                  pursuant to the Escrow Agreement, including the knowledge
                  transfer obligation specified in Section 11 of the Support
                  Services Schedule and thereunder. In the event that Client has
                  previously exercised its election to receive the Source Code
                  pursuant to the Escrow Agreement, Client shall have the same
                  three remedies available to it. With respect to option (i),
                  Client shall return to Corillian all copies of the Source Code
                  or certify the destruction thereof within 30 days of notice of
                  termination and with regard to option (iii), Corillian shall
                  complete the knowledge transfer obligation specified in
                  Section 11 of the Support Services Schedule and under the
                  Escrow Agreement, if it has not already done so, and until
                  such completion shall continue to provide problem resolution
                  services on a time and materials basis and Client shall pay
                  the exit fee upon completion of knowledge transfer.

8.       DELAYS IN PROJECT DELIVERABLE SCHEDULE

         8.1      In the event that Corillian shall solely cause any of the
                  following events to be delayed by more than thirty (30) days
                  from the date agreed to as set forth in Section 8.1.1 below,
                  Client may, upon fifteen (15) days notice to Corillian
                  terminate this Agreement, the License Agreement and the
                  Support Services Schedule without payment of any exit fee
                  thereunder and receive a refund of all fees paid pursuant to
                  Section 11 hereof, excluding expenses and fees for
                  implementation and custom engineering work incurred prior to
                  such notice , and the Support Fees paid pursuant to Section 2
                  of the Support Services Schedule:

                  (a)      Completion of User Acceptance Testing for Phase 1
                           Core Components or custom engineering deliverables

                  (b)      Commencement of Employee Pilot for Phase 1 Core
                           Components or custom engineering deliverables

                  (c)      Production Release of the Phase 1 Core Components and
                           custom engineering deliverables for Use by Client
                           Customers

                  8.1.1    For purposes of determining the application of
                           remedies in paragraph 8.1, the parties will develop
                           a mutually agreed to Project Plan for Phase 1 Core
                           Component Deliverables and custom engineering
                           deliverables, which shall be made an addendum to the
                           Product Schedule. Any delay in the Project Plan for
                           Phase 1 Core Components and custom engineering
                           deliverables which is attributable to or results from
                           (i) changes to the Phase 1 Core Components or custom
                           engineering deliverables requirements made by Client
                           that the parties agree in advance will have the
                           effect of extending the project schedule, (ii) the
                           acts or omissions of Client, Client's customers,
                           employees, consultants, contractors, or other third-
                           party vendors, (iii) are mutually agreed to by the
                           parties, or (iv) are not otherwise within the
                           reasonable control of Corillian shall not be
                           considered to be solely caused by Corillian.

                  8.1.2    Specifically with respect to the OFX Component, the
                           application of remedies in Section 8,1 shall only
                           apply to a delay solely caused by Corillian in the
                           date for submission of the Component to Microsoft and
                           Intuit for OFX certification and testing, as provided
                           in the Project Plan.

         8.2      Corillian agrees to use its best efforts to implement all
                  Phase 2 Components and Phase 2 and Phase 3 custom engineering
                  deliverables. In the event that Corillian shall solely cause
                  the production release of the Phase 2 Components or Phase 2
                  or Phase 3 custom engineering deliverables to be delayed for
                  more than thirty (30) days beyond the end of the [ * ],
                  Corillian agrees to pay Client a penalty of $[ * ] for every
                  additional month of delay up to a maximum

                                       4
<PAGE>

         penalty of $[ * ]. In the event that Corillian is unable to implement
         all Phase 2 Components and Phase 2 and Phase 3 custom engineering
         deliverables by the end of the [ * ] despite its best efforts, then
         Client may, at its option (i) regardless of whether Client shall have
         previously received the Source Code pursuant to the Escrow Agreement,
         discontinue use of the Products, terminate this Agreement and receive a
         refund of all custom engineering and implementation fees not previously
         incurred prior to notice of termination, together with refund of any
         license fees for applications not previously accepted and terminate the
         Support Services Schedule without payment of an exit fee and receive a
         pro-rata refund of fees paid thereunder; (ii) Client may continue to
         use the Products with reductions in the License Fee and Support
         Services Fee as the parties may mutually agree shall be fair and
         equitable, or (iii) continue to use the Products, terminate the Support
         Services Schedule, receive a pro-rata refund of the Support Fees paid
         thereunder, pay Corillian an exit fee of $[ * ], or the amount owing
         under Section 13.2 of the Support Services Schedule, whichever is less
         and shall receive the Source Code pursuant to the Escrow Agreement,
         including the knowledge transfer obligation specified in Section 11 of
         the Support Services Schedule and thereunder. In the event that Client
         has previously exercised its election to receive the Source Code
         pursuant to the Escrow Agreement, Client shall have the same three
         remedies available to it. With respect to option (i), Client shall
         return to Corillian all copies of the Source Code or certify the
         destruction thereof within 30 days of notice of termination and with
         regard to option (iii), Corillian shall complete the knowledge transfer
         obligation specified in Section 11 of the Support Services Schedule and
         under the Escrow Agreement, if it has not already done so, and until
         such completion shall continue to provide problem resolution services
         on a time and materials basis and Client shall pay the exit fee upon
         completion of knowledge transfer.

                  8.2.1    Any delay in the production release of Phase 2 or
                           Phase 3 Components which is attributable to or
                           results from (i) changes to the Phase 2 or Phase 3
                           requirements made by Client that the parties agree in
                           advance shall have the effect of extending the
                           project schedule, (ii) the acts or omissions of
                           Client, Client's customers, employees, consultants,
                           contractors, or other third-party vendors, (iii) are
                           mutually agreed to by the parties, or (iv) are not
                           otherwise within the reasonable control of Corillian
                           shall not be considered to be solely caused by
                           Corillian.

9.       CANCELLATION OF PHASE 2 AND PHASE 3

Up to thirty (30) days after acceptance of all Phase 1 Components and custom
engineering deliverables, Client may cancel Phase 2 and/or Phase 3 without
cause. Cancellation relieves both Corillian and Client of their respective
obligations to one another for Phase 2 and Phase 3 deliverables but does not in
any way effect the parties' rights and continued obligations with respect to
Phase 1 deliverables as provided herein, in the Voyager License Agreement and
Support Services Schedule.

10.      SOFTWARE MAINTENANCE AND SUPPORT SERVICES

Software maintenance and support services for the Products shall be provided in
accordance with the Voyager Support Services Schedule attached hereto which is
incorporated into, and subject to the terms, of the Agreement.

-----------------------
* Portion has been omitted pursuant to a request for confidential treatment and
filed separately with the Commission.

                                       5

<PAGE>

11   FEES AND EXPENSES

     11.1     INITIAL LICENSE AND IMPLEMENTATION FEES AND EXPENSES. The
              following are the license and implementation fees for the
              products and services described herein:
<TABLE>
              <S>    <C>                                                         <C>
               1.    Voyager 2.4/Control Center License                           $[ * ]
               2.    OFX License                                                  $[ * ]
               3.    Implementation Services                                      $[ * ]
               4.    Custom Engineering                                           $[ * ]*
                     Total
</TABLE>
     11.2     Phase 2 License, Custom Engineering and Implementation Fees
<TABLE>
              <S>    <C>                                                         <C>

               1.    V-Bill Presentment Application License                       $[ * ]
               2.    Small Business Application License                           $[ * ]
               3.    Direct Marketing Application License                         $[ * ]
               4.    Implementation Services                                      $[ * ]
               5.    Custom Engineering                                           $[ * ]*
                     Total
</TABLE>
     11.3     Phase 3 Custom Engineering Fees
<TABLE>
              <S>    <C>                                                         <C>

               1.    Custom Engineering                                           $[ * ]*

                     Total                                                        $[ * ]*

</TABLE>

         *The custom engineering items are an estimate only based on a time and
         material basis at $1,500/day, but shall not exceed the quoted estimate
         unless the provision of services covering such work as described within
         Exhibit 1 shall change by mutual agreement of the parties.

                  In addition to the fees described above, Client shall pay
Corillian its reasonable out-of-pocket expenses incurred in connection with
implementation and training including, but not limited to, air travel, local
transportation, hotel rooms, meal expenses and communication costs, provided,
however, that all Corillian travel shall be first approved by a designated
Wachovia Project Manager and that all other expenses conform to mutually
acceptable guidelines to be developed by the parties.

         Any amounts previously paid by Client pursuant to a Proof of Concept
Agreement or a Professional Services Agreement shall be credited toward the
Phase 1 payment set forth above.

         11.4     PAYMENT OF LICENSE, CUSTOM ENGINEERING AND IMPLEMENTATION FEES
                  AND EXPENSES.

                  11.4.1   Phase 1: One-hundred percent (100%) of the license
                           fee associated with Voyager 2.4 l shall be paid upon
                           execution of this Agreement, one-hundred percent
                           (100%) of the OFX license fees shall be paid upon
                           acceptance by Client or commercial release for use by
                           Client's customers of the same. Fees associated with
                           custom engineering, implementation, as well as
                           Corillian's expenses, shall be paid on an as incurred
                           monthly basis.

                  11.4.2   Phase 2: , One-hundred percent (100%) of the V-Bill
                           Presentment, Small Business and Direct Marketing
                           application license fees shall be paid upon

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

* Portion has been omitted pursuant to a request for confidential treatment and
filed separately with the Commission.

                                       6

<PAGE>

                           acceptance by Client or commercial release for use by
                           Client's customers of the same. Phase 2 Product
                           Components Fees associated with custom engineering,
                           implementation, as well as Corillian's expenses,
                           shall be paid on an as incurred monthly basis.

                  11.4.3   Phase 3: Fees associated with custom engineering,
                           implementation, as well as Corillian's expenses,
                           shall be paid on an as incurred monthly basis.,

                  11.4.4   Client agrees to pay Corillian all fees due within 30
                           days of receipt of invoice.

11.5 RECURRING FEES. Client shall pay the following recurring fees:  An annual
maintenance as set forth in the Voyager Support Services Schedule beginning
January 1, 2001, as more particularly set forth therein.

Each party represents that it has read this Product Schedule, understands its
provisions and that the Product Schedule is a part of the Agreement, and that
the person signing the Product Schedule on behalf of each party is authorized to
do so.

Wachovia Operational Services               Corillian Corporation
Corporation

DATE:                                       DATE:

              12/22/99                                12/23/99
-----------------------------------         -----------------------------------

BY:                                         BY:
              /s/                                    /s/ Kirk Wright
-----------------------------------         -----------------------------------
                                            Kirk Wright, President

                                       7
<PAGE>

                                                                           PRISM
                                                     Phase One Solution Overview
                                                         Version 2.01 12/13/1999
--------------------------------------------------------------------------------

PHASE ONE - SOLUTION OVERVIEW

The Prism Phase One/"Day 1" release will consist of RETAIL/CONSUMER BANKING,
BILL PAY (via CheckFree) and OFX/PFM DOWNLOAD functionality.

SIGN-ON/AUTHENTICATION and ENROLLMENT will be based on Prism's chosen Directory
Services infrastructure (design details yet to be determined by Prism; current
understanding is that Prism's single sign-on solution will redirect to our
server extension for Voyager sign-on and assumes Prism's solution for handling
ID of "customer" and "bank" will seamlessly integrate with current Voyager
customer relationship/association design).

Prism's INET SERVICES team is developing an in-house solution for MAINFRAME
CONNECTIVITY.

HTML SIGN-ON & ENROLLMENT
- Corillian to deliver client layer/HTML to be integrated with Prism Directory
Services solution.
<TABLE>
<CAPTION>

 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 HTML SIGN-ON & ENROLLMENT               CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
<S>                                      <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 A.       [ * ]                          Custom        Mike Leach   7              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 B.       [ * ]                          Custom        Mike Leach   6              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 C.       [ * ]                          Custom        Mike Leach   6              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 D.       [ * ]                          Custom        Mike Leach   6              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 E.       [ * ]                          Custom        Mike Leach   7              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

HTML BANKING
-Designed for / supports browsers of version 4.0 or higher (IE, Netscape, AOL),
128 bit encryption with scripting enabled.
<TABLE>
<CAPTION>

 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 HTML BANKING                            CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
<S>                                      <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 A.       [ * ]                          Custom        Mike Leach   7              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

-----------------------------
*Portion has been omitted pursuant to a request for confidential treatment and
fled separately with the Commission.
--------------------------------------------------------------------------------

                                        1
    -copyright- 1999 Corillian Corporation    Prism Project Confidential

<PAGE>

                                                                           PRISM
                                                     Phase One Solution Overview
                                                         Version 2.01 12/13/1999
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>

 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 HTML BANKING                            CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
<S>                                      <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 B.  ACCOUNT BALANCES /SUMMARY           Core                       N/A            - DDA (Checking, Savings, Money Market), TDA
                                                                                   (CDs), Brokerage, Line Of Credit, Installment
                                                                                   Loans, Credit Cards
                                         Custom        Mike Leach   11             -[ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 C.  ACCOUNT DETAIL / HISTORY            Core          N/A          N/A            -For all Accounts listed within "Account
                                                                                   Balances" except Brokerage, Installment Loans
                                                                                   and CDs
                                         Custom        Mike Leach   11             [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 D.       [ * ]                          Custom        Mike Leach   5              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 E.       [ * ]                          Custom        Mike Leach   7              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 F.  FUNDS TRANSFER                      Core                       N/A            -Will provide ability for cust. to transfer
                                                                                   funds within any account within their profile
                                                                                   within the same bank (intra-profile); single,
                                                                                   recurring, same day (assumes day is bank
                                                                                   processing day), future dated
                                         Custom        Mike Leach   7              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 G.       [ * ]                          Custom        Mike Leach   10             [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 H.  FUNDS TRANSFER - MODIFY             Core          Mike Leach   9              -View pending, modify "from," "to," "date",
     PENDING                                                                       "amount,"
                                         Custom                                    [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 I.  FREQUENTLY ASKED QUESTIONS          Core          N/A          N/A            Prism DFS to provide content
     (FAQS) PAGE
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 J.  TERMS & CONDITIONS PAGE             Core          N/A          N/A            Prism Legal, Compliance & Marketing to provide
                                                                                   content
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 K.  SECURITY INFORMATION PAGE           Core          N/A          N/A            Prism DFS to provide content
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 L.  CUSTOMER SERVICE CENTER             Core          N/A          N/A            [ * ]
                                         Custom        Mike Leach
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

HTML BILL PAY
<TABLE>
<CAPTION>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 HTML BILL PAY                           CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
 <S>                                     <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 A.       [ * ]                          Custom        Jeff         250            -[ * ]
                                                       Madison
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 B.       [ * ]                          Custom        Mike Leach   8              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

------------------------
*Portion has been omitted pursuant to a request for confidentail treatment and
filed separately with the Cimmission.

--------------------------------------------------------------------------------
                                       2

      -copyright- 1999 Corillian Corporation     Prism Project Confidential
<PAGE>

                                                                           PRISM
                                                     Phase One Solution Overview
                                                        Version 2.01  12/13/1999
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>
 <S>                                     <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 C.       PAYEE & PAYMENT MANAGEMENT     Core          N/A          N/A            -Add, delete, activate, archive payees
                                                                                   [ * ]
                                         Custom        Jeff         15
                                                       Madison
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 D.       PAYEE & PAYMENT  HISTORY       Core          N/A          N/A            With table sorting
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 E.       [ * ]                          Custom        Mike Leach   4              [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 F.       CANCEL BILL PAY                Core          N/A          N/A
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 G.       [ * ]                          Custom        Jeff         21             [ * ]
                                                       Madison &
                                                       Milind
                                                       Pandit
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 H.       [ * ]                          Custom        Jeff         25             [ * ]
                                                       Madison
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>

OFX

 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 OFX                                     CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
 <S>                                     <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 A.       [ * ]                          Custom        Mike Leach   11             [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 B.       FINANCIAL INSTITUTION PROFILE  Core          N/A          N/A
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 C.       ACCOUNT INFO. REQUEST          Core          N/A          N/A            -Same as HTML Balances/Summary
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 D.       STATEMENT REQUEST              Core                       N/A            -Same as HTML Detail/History
                                                                                   [ * ]
                                         Custom        Mike Leach   11
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 E.       FUNDS TRANSFER                 Core                       N/A            Will provide ability for customer to transfer
                                                                                   funds within any account within their profile
                                                                                   within the same bank (intra-profile)
                                         Custom        Mike Leach   11             [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 F.       BILL PAYEE & PAYMENT           Core          N/A          N/A
          MANAGEMENT
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

---------------------------
*Portion has been ommitted to a request for confidential treatment and filed
separately with the Commission.

--------------------------------------------------------------------------------
                                       3
    -copyright- 1999 Corillian Corporation     Prism Project Confidential

<PAGE>

                                                                           PRISM
                                                     Phase One Solution Overview
                                                         Version 2.01 12/13/1999
--------------------------------------------------------------------------------
<TABLE>
<CAPTION>

CONTROL CENTER BACK-OFFICE TRACKING & REPORTING

 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 CONTROL CENTER                          CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
 <S>                                     <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 A.       REPORT CENTER                  Core          N/A          N/A            i        Bill Pay Reports
                                                                                   ii       Unfunded Payments
                                                                                   iii      Paid Payments
                                                                                   iv       New Customers
                                                                                   v        Total Customers
                                                                                   vi       Total Sessions
                                                                                   vii      New vs. Total
                                                                                   viii     Session Statistics
                                                                                   ix       Total Transactions
                                                                                   x        Transactions by Group
                                                                                   xi       Unsuccessful Transactions
                                                                                   xii      Report Groups
                                                                                   xiii     Summary Status
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 B.       RELATIONSHIP CENTER            Core          N/A          N/A            i        Customer Support Screens
                                                                                   ii       Agent Support Cases
                                                                                   iii      Agent Alert
                                                                                   iv       Monitored Transactions
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 C.       WORKFLOW                       Core          N/A          N/A            i        Agent Management
                                                                                   ii       Case Management
                                                                                   iii      Case Detail Report
                                                                                   iv       Bill Pay Fees
                                                                                   v        Message Types
                                                                                   vi       Case Statuses
                                                                                   vii      Case Dispositions
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 D.       SYSTEM SET UP                  Custom        Pete McEvoy                 I        [ * ]

                                                       N/A                         ii       Edit System Users
                                         Core                                      iii      Add System User
                                                                                   iv       Delete System Users
                                                                                   v        View User Permissions
                                                                                   vi       View Users by Permissions
                                                                                   vii      Modify Permission Definitions
                                                                                   viii     Add Permission Definition
                                                                                   ix       User Monitor
                                                                                   x        Audit Log
                                                                                   xi       Scheduled Tasks
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 E.       [ * ]                          Custom        Pete McEvoy  20             [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

-----------------
*Portion has been ommitted pursuant to a request for confidential treatment and
filed separately with the Commission.

--------------------------------------------------------------------------------
                                       4
      -copyright- 1999 Corillian Corporation     Prisim Project Confidential

<PAGE>

                                                                           PRISM
                                                     Phase One Solution Overview
                                                         Version 2.01 12/13/1999
--------------------------------------------------------------------------------
<TABLE>
<CAPTION>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 CONTROL CENTER                          CORE OR       CUSTOM       CUSTOM ENG
 FUNCTIONALITY/DELIVERABLE               CUSTOM        OWNER        DAYS           DEFINITION AND/OR NOTES
 <S>                                     <C>           <C>          <C>            <C>
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 F.       [ * ]                          Custom        Pete McEvoy  20             [ * ]
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
 G.       [ * ]                          Custom        Pete McEvoy
 --------------------------------------- ------------- ------------ -------------- ------------------------------------------------
</TABLE>

[ * ] DATABASE CONVERSION/MIGRATION (CUSTOM)   PAUL MURPHY; XXX ENG. DAYS

To convert from Prism's current online banking and bill pay system [ * ] to the
Corillian Voyager Internet banking platform (SIS), Corillian will:

|X|      [ * ]
|X|      [ * ]
|X|      [ * ]

-------------------
*Portion has been ommitted pursuant to a request for confidential treatment and
filed separately with the Commission.

--------------------------------------------------------------------------------
                                       5
      -copyright- 1999 Corillian Corporation     Prisim Project Confidential

<PAGE>

                                                                           PRISM
                                                     Phase One Solution Overview
                                                         Version 2.01 12/13/1999
--------------------------------------------------------------------------------

<TABLE>
<CAPTION>

VOYAGER PLATFORM

      PRISM         VOYAGER         GENERAL
                    VERSION       AVAILABILITY                 KEY FEATURE ADDS
                                     DATE
  <S>             <C>          <C>                 <C>
  --------------- ------------ ------------------- ----------------------------------------------
      DAY 1          2.4*           [ * ]           -      Cluster support for the TRB
                                                    -      TP & TRB counters
                                                    -      SNMP support
                                                    -      Scheduled transfers
                                                    -      CheckFree SIS compatibility
                                                    -      Batch payments
</TABLE>

  *Release of SIS will be on the current database schema. An upgrade to the new
  database schema will occur at a later date.

------------------------
* Portion has been ommitted to a request for confidential treatmnt and filed
sepatately with the Commission.

--------------------------------------------------------------------------------
                                       6
   -copyright- 1999 Corilllian Corporation     Prism Project Confidential

<PAGE>

                                                                           PRISM
                                         Phase Two - Future/Planned Enhancements
                                                        Version 1.9   12/13/1999
--------------------------------------------------------------------------------

PHASE TWO - FUTURE/PLANNED ENHANCEMENTS

<TABLE>
<CAPTION>

 REQUIREMENT       CORE OR    OWNER      ENG DAYS      TIMEFRAME   CUSTOMER   CORILLIAN DESIGN APPROACH  PRISM TECHNICAL IMPACT &
                   CUSTOM                                         EXPERIENCE  & CONSIDERATIONS           CONSIDERATIONS
 <S>              <C>       <C>       <C>             <C>         <C>          <C>                        <C>
 ---------------- --------- --------- --------------- ----------- ------------ -------------------------- -------------------------
 [ * ]            Custom    Milind    3 person months  [ * ]       [ * ]        [ * ]                      [ * ]
                            Pandit    for proto-type
                                      in-house
                                      solution
 ---------------- --------- --------- --------------- ----------- ------------ -------------------------- -------------------------
 TARGETED         Core      N/A       N/A              [ * ]       [ * ]        [ * ]                      [ * ]
 MARKETING
                  Custom    Milind    3 person
                            Pandit    months of
                                      custom work
 ---------------- --------- --------- --------------- ----------- ------------ -------------------------- -------------------------
 SMALL BUSINESS   Core      N/A       N/A                          [ * ]        [ * ]                      [ * ]

                  Custom    Pete      50
                            McEvoy
 ---------------- --------- --------- --------------- ----------- ------------ -------------------------- -------------------------
 [ * ]            Custom     Mike      4                           [ * ]        [ * ]                      [ * ]
                            Leach

                            Milind    If integrated
                            Pandit    w/ Marketing
                                      Center, 2
                                      weeks of
                                      custom work
 ---------------- --------- --------- --------------- ----------- ------------ -------------------------- -------------------------
 [ * ]            Custom    Mike      6                            [ * ]        [ * ]                      [ * ]
                            Leach

                            Milind    If integrated
                            Pandit    w/ Marketing
                                      Center, 2
                                      weeks of
                                      custom work
 ---------------- --------- --------- --------------- ----------- ------------ -------------------------- -------------------------
</TABLE>

--------------------------
* Portion has been omitted pursuant to a request for confidential treatment and
filed separately with the Commission.

--------------------------------------------------------------------------------
                                       1
   -copyright- 1999 Corillian Corporation     Prism Project Confidential

<PAGE>

                                                                           PRISM
                                         Phase Two - Future/Planned Enhancements
                                                        Version 1.9   12/13/1999
--------------------------------------------------------------------------------

PHASE TWO - FUTURE/PLANNED ENCHACEMENTS

<TABLE>
<CAPTION>

 REQUIREMENT  CORE OR    OWNER      ENG DAYS     TIMEFRAME    CUSTOMER    CORILLIAN DESIGN APPROACH  PRISM TECHNICAL IMPACT &
              CUSTOM                                         EXPERIENCE   & CONSIDERATIONS           CONSIDERATIONS
 <S>          <C>       <C>       <C>            <C>         <C>          <C>                        <C>
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Either    Milind    2 person       [ * ]       [ * ]        [ * ]                      [ * ]
               Core      Pandit    weeks of
               or                  custom work
               Custom
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      12                         [ * ]        [ * ]                      [ * ]
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      30                         [ * ]        [ * ]                      [ * ]
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      27                         TBD          TBD, Related to above.     TBD
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      27                         TBD          Same as above.             TBD
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      15                         [ * ]        [ * ]                      None
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
</TABLE>

--------------------------
* Portion has been omitted to a request for confidential treatment and filed
separately with the Commission.

--------------------------------------------------------------------------------
                                       2
   -copyright- 1999 Corillian Corporation     Prism Project Confidential

<PAGE>

                                                                           PRISM
                                         Phase Two - Future/Planned Enhancements
                                                        Version 1.9   12/13/1999
--------------------------------------------------------------------------------

PHASE TWO - FUTURE/PLANNED ENCHACEMENTS

<TABLE>
<CAPTION>

 REQUIREMENT  CORE OR    OWNER      ENG DAYS     TIMEFRAME    CUSTOMER    CORILLIAN DESIGN APPROACH  PRISM TECHNICAL IMPACT &
              CUSTOM                                         EXPERIENCE   & CONSIDERATIONS           CONSIDERATIONS
 <S>          <C>       <C>       <C>            <C>         <C>          <C>                        <C>
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Core      N/A       0-40 days:                 [ * ]        [ * ]                      [ * ]

               Custom    Jeff      Using
                         Madison   standard
                                   matching
                                   algorithm
                                   and existing
                                   file format
                                   = 0

                                   Custom
                                   matching
                                   algorithm =
                                   10

                                   Custom file
                                   format = 15

                                   Additional
                                   requirement
                                   for response
                                   file
                                   processing =
                                   15
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      30                         TBD          [ * ]                      [ * ]
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Mike      12                         [ * ]        [ * ]                      [ * ]
                         Leach
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 BILL          Core      N/A       N/A                                     To be negotiated, pending
 PRESENTMENT                                                               Wachovia requirements.
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
 [ * ]         Custom    Terry      ?                                      To be negotiated, pending
                         Ishida                                            Wachovia requirements.
 ------------ --------- --------- -------------- ----------- ------------ -------------------------- ------------------------------
</TABLE>

--------------------------
* Portion has been omitted to a request for confidential treatment and filed
separately with the Commission.

--------------------------------------------------------------------------------
                                       3
   -copyright- 1999 Corillian Corporation     Prism Project Confidential

<PAGE>

PHASE 3 CUSTOM ENGINEERING

FEATURE LIST

The nature of the Phase 3 project is to co-design and develop a new version of
the Voyager transaction processor to support [ * ]. Such new version is expected
to be generally released by Corillian as its 3.0 version of Voyager. At this
stage, the detailed feature list is still under development. Currently, the
parties have agreed that the new version is expected to have the same basis
features functionality as Voyager 2.4, as well as the following high-level
features. Corillian will use its best efforts to implement all of the Priority 1
items listed below. Priority 2 and Priority 3 items will be implemented if or
when appropriate, as agreed upon by both Client and Corillian. Additional
features will be mutually agreed to by the parties. The feature set is also
conditional upon technical feasibility, which will be determined during the
design phase.

Wachovia prioritization is based on:
1 = Highest priority requirement
2 = Dependency on industry availability
3 = Corillian directed feature enhancement

<TABLE>

<S>                        <C>
-------------------------------------------------------------------------------------------------------------
Wachovia Priority          Feature
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
1                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
2                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
2                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
2                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
2                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
2                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
3                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
3                          [ * ]
------------------------ ----------------------------------------------------------------------------------
3                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
3                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
3                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
3                          [ * ]
-------------------------- ----------------------------------------------------------------------------------
3                          [ * ]
------------------------- ----------------------------------------------------------------------------------
</TABLE>

--------------------
* Portion has been omitted pursuant to a request for confidential treatment and
filed separately with the Commission.
<PAGE>

                              CORILLIAN CORPORATION
                        VOYAGER SUPPORT SERVICES SCHEDULE

Effective Date:  December 21, 1999

Wachovia Operational Services                Corillian Corporation ("Corillian")
Corporation ("Client")                       3601 SW Murray Blvd., Suite 300
809 W. 4-1/2 Street                          Beaverton, Oregon 97005
Winston-Salem, North Carolina 27150          (503) 627-0729
                                             FAX (503) 641-5575

Corillian, an Oregon corporation, and Client agree that this Voyager Support
Services Schedule (the "Support Schedule") shall be incorporated into and
subject to the provisions of the Corillian Voyager License Agreement (the
"Agreement") as of the effective date identified above.

1.       VOYAGER PRODUCT SUPPORT TERMS

This Support Schedule outlines the software support program provided for the
Voyager Products licensed to Client pursuant to the Agreement, as defined in the
Product Schedule (collectively the "Products"). Corillian provides support to
Client, and Client is responsible for first tier support to its customers.

Support commences on the date that any function described in Exhibit 1 of the
Product Schedule is released for commercial use by Client's customers. The
support program provided herein is for an initial term commencing as above and
ending on December 31, 2003, and shall be automatically renewed for successive
one-year terms unless terminated as set forth in Section 12 or 13 hereof. In the
event of termination of the Agreement, Corillian agrees to provide Client with
reasonable assistance in migration to a new system. Client agrees to pay
Corillian for its services in this regard on a time and materials basis at
Corillian's then prevailing rates.

Support is only available for the current release or the immediately previous
major release of the Products and only for those Products located in the region
for which Client has purchased software support. In the event Corillian elects
to terminate support for a release, Corillian agrees to provide Client with one
hundred eighty (180) days prior notice. Unless specified otherwise by Corillian
and agreed to by Client, the region is the United States of America.

Client may reinstate lapsed support by paying all support fees in arrears, a
reinstatement fee of $[ * ], and all costs invoiced by Corillian on a time and
materials basis for updating the Products to the current release. Corillian
retains the right to modify its support programs so long as such modifications
do not in any way decrease support provided to Client pursuant to the Agreement.

Corillian shall have no obligation to support: Products altered or damaged by
Client; Products modified by Client without authorization by Corillian; Products
installed on any computer hardware or operating system not supported by
Corillian; Products that are not the most current release or the immediately
previous major release; Product problems caused by Client's negligence or abuse;
use of

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

         * Portion has been omitted pursuant to a request for confidential
treatment and filed separately with the Commission.

                                                                          PAGE 1

<PAGE>

Products other than as specified in the Product documentation; or other causes
beyond the control of Corillian, provided however that a Year 2000 compliance
failure shall not constitute a cause beyond the control of Corillian.

2.       FEES AND EXPENSES

The fees for support services provided pursuant to this Agreement ("Support
Fee") will be in accordance with the following schedule:

Commencement date through            15% of the license fees for Voyager and all
December 31, 2001                    other applications, to be prorated as to
                                     Components not delivered until after
                                     January 1, 2001.

Thereafter, the annual base fee for support services shall be 15% of the license
fee for Voyager plus 15% of the fee for any Component (other than custom
engineering deliverables) delivered after January 1, 2001, plus 15% of the fee
for any additional product applications than those Products licensed under the
Agreement. In the event Client engages Corillian for additional custom
engineering services, and the Products so created are unique to Client, Client
shall pay an additional 15% of the fee for such additional custom engineering
services as an additional Support Fee. In the event Client engages Corillian for
additional custom engineering services, and Corillian and Client anticipate that
the Products so created will be incorporated into future Updates or New
Revisions of the Products, Client shall not pay any such additional Support Fee.
In addition to the base fee, Corillian reserves the right to increase the
support service fees on an annual basis by up to ten percent (10%). In the event
of any such increase, Corillian shall provide Client with notice of such
increase at least ninety days (90) prior to the expiration of the then current
term.

Support Fees shall be paid annually. The initial Support Fee shall be paid
effective January 1, 2001 within 30 days of receipt of invoice. Subsequent
annual payments shall be invoiced on or about January 1 and made within thirty
(30) days after receipt of invoice.

Corillian shall not provide on-site support services except to the extent that
on-site support services are required for resolution of a Priority 1 problem,
which shall be provided at no additional cost to Client. If on-site support
services are provided for other than Priority 1 problems, they will be provided
on-site only with Client's prior consent and will be billed to Client at
Corillian's then-current published rate plus reasonable expenses, including, but
not limited to, air travel, local transportation, hotel rooms and meal expenses.

3.       DEFINITION OF PRIORITIES

When reporting a problem, Client shall indicate its priority according to the
following definitions:

         PRIORITY 1: Critical: 1) The issue prevents an installed Product from
                  immediate production operation; or 2) The installed Product
                  repeatedly crashes or loses data; or 3) The installed Product
                  does not reliably complete transactions; or 4) The Product
                  cannot be installed at Client's site; 5) The Product does not
                  recover from errors properly; 6) The Product performance is
                  too slow to support the specific number of transactions; or 7)
                  The issue prevents a Product from performing as needed by the
                  Client or Client's customer.

         PRIORITY 2: Medium: 1) The Product does not behave as documented; 2)
                  The documentation is in error, is unclear, or should be
                  expanded; 3) The required

                                                                          PAGE 2

<PAGE>

                  documentation is missing; or 4) The issue should be addressed,
                  but does not have significant impact on the Client or Client's
                  customer.

         PRIORITY 3: Low: 1) Cosmetic changes and subjective preferences; 2) A
                  new feature will improve the Product's functionality,
                  usability, reliability, performance, or supportability; or
                  3) Functionality not related to the intent of the Product.

Client is responsible for ensuring that the priority it assigns to a problem
adheres to the foregoing definitions. Corillian reserves the right to
re-prioritize a problem report that is not reasonably consistent with these
definitions. If Corillian does so, Corillian shall so advise Client in writing
and shall cooperate with Client to come to an agreement on level of priority.

4.       RESPONSE PROCEDURES AND SUPPORT LEVELS

Corillian's response is provided at multiple levels to best match the need of
the issues. Corillian will use the appropriate support level to focus attention
on the most critical issues first, and will cooperate with Client in coming to
agreement on which is the appropriate level of support for a given issue. The
following are the four levels of support:

         LEVEL A:    Onsite support for escalated issues that cannot be resolved
                     remotely.

         LEVEL B:    Seven (7) days a week, twenty four (24) hours per day
                     telephone support for Critical / Site Down issues. Response
                     time: 30 minutes.

         LEVEL C:    Standard telephone support hours 8:00 a.m. to 5:00 p.m.
                     Eastern Time, Monday through Friday for technical problems.
                     Response time: 4 business hours.

         LEVEL D:    E-mail support for general questions. Response time: 1
                     business day, although development of new features or
                     functions will be in Corillian's sole discretion.

                     Priority 1 problems shall be assigned to Levels A or B,
                     Priority 2 problems shall be assigned to Levels C or D,
                     Priority 3 problems shall be assigned to Level D.

5.       REPORTING PROBLEMS AND SUPPORT CONTACTS

Corillian requires that Client designate a primary and secondary contact who
will be authorized to place support contacts.

To report a problem, the Client contact shall send a problem report via
electronic mail to the email address of support@corillian.com or, for Priority 1
or 2 problems, place a call to Corillian Support Services at 503-646-9507.
Client's report should contain Client's company name and the phone number and
email address of the person reporting the call; the priority level (in
accordance with the definitions provided above); the Product for which Client is
reporting a problem; and the platform on which the Product is installed. In the
event the Support Services telephone number is not manned 24 hours a day, seven
days a week, Corillian will provide Client with a phone number or pager number
for reporting Priority 1 problems 24 hours a day, seven days a week.

                                                                          PAGE 3

<PAGE>

6.       SUPPORT HOURS

Corillian's standard telephone support and other support services are available
Monday through Friday, 8:00 AM to 5:00 PM Eastern Time, exclusive of Corillian
holidays. Additionally, Corillian will provide 24x7 support for Priority 1 and 2
level problems. Upon execution hereof, Corillian will provide Client with a
schedule of holidays and will notify Client in writing of subsequent changes in
such schedule, provided, however, that, at a minimum, Corillian will provide
such standard telephone support on all weekdays except Client holidays. The
standard telephone support, as well as all other support provided hereunder,
begins upon production release to Client's customers of any of the product
Components and entitles Client to product support seven days a week, twenty four
hours a day. Standard telephone support and all other support to which Client is
entitled shall also be provided during the ninety (90) day warranty period
described in section 6.1.2 of the Agreement, and performance standards set forth
in Section 9.2 hereof shall also apply during such period, as well as
thereafter. Telephone support services are limited to Corillian products and
Third Party Software. Corillian reserves the right to assess a fee of two
hundred fifty dollars ($250) per hour (with a one hour minimum) for Client's
requests for support for non-Corillian products.

7.       EVENING, WEEKEND AND HOLIDAY SUPPORT SERVICES

If Client contacts the Corillian support services personnel outside of the
standard support hours (Monday through Friday, 8:00 AM to 5:00 PM ET) for other
than a Priority 1 or Priority 2 problem condition, Client agrees to pay
Corillian two hundred and fifty dollars ($250) per hour (with a one hour
minimum.)

8.       ACTION PLANNING AND COMMUNICATION

In reference to any Priority 1 problem reports, Corillian will immediately use
its best efforts to restore the system to proper operation (if necessary) and,
within five (5) days of escalation, provide an action plan for a long term fix
for the issue. The action plan will include details on the nature of the fix and
the time frame of resolution. Corillian and Client acknowledge that under some
circumstances it may be most expedient for Corillian's support personnel to dial
in and directly access Client's computer facilities. Additionally, for problems
other than Priority 1 problems, for which such services are provided at no cost
pursuant to Section 2 above, Corillian may under some circumstances make support
personnel available for on-site work at Client's location (with Client's
approval), at an additional then-current cost as outlined in section 2 above.
Daily review of status throughout the entire process will be available to Client
through Corillian's normal technical support personnel.

9.       CONTENT OF SUPPORT AND PRODUCT UPGRADES

9.1      In addition to the obligations set forth in Sections 1 through 8
         hereof, in all situations involving a Priority 1 problem involving a
         system outage, Corillian shall endeavor to restore the Product to
         reliable production within four (4) hours after such problem is
         reported to Corillian. Furthermore, in all situations involving
         performance or non-performance of the Products, Corillian shall
         endeavor to supply as soon as practicable code corrections as required
         to enable the Products to perform the functions described in Exhibit 1
         attached to the Product Schedule, including participation in the action
         planning and communication activities set forth in Section 8 above. In
         the event that Corillian is unable to make the Products operate as set
         forth in Exhibit 1 within 60 days of notification of a problem, that
         Client may exercise termination rights pursuant to Section 13.4 below,
         provided, however, that the foregoing shall not apply to problems
         attributable to or which Corillian is prevented from remedying as
         required above because of (i) the acts or omissions of Client, Client's
         customers, employees, consultants, contractors, or other third-party
         vendors; (ii) interruption in data communication

                                                                          PAGE 4

<PAGE>

         resulting from the acts or omissions of Client or a third party; (iii)
         hardware or third-party software failures; or (iv) other causes beyond
         the control of Corillian.

9.2      Corillian warrants that within 24 hours of notice of a Priority 1
         problem that causes total systems unavailability of the Products,
         Corillian shall restore systems availability of the Products. For the
         first breach of this warranty during a support term, Corillian agrees
         to provide Client with a rebate of $[ * ] to be applied against
         prospective Support Fees. For any subsequent breach of this warranty
         during a support term, Client may exercise termination rights pursuant
         to Section 13.4 below. The foregoing warranty shall not apply to
         Priority 1 problems attributable to or which Corillian is prevented
         from restoring systems availability as required above because of (i)
         the acts or omissions of Client, Client's customers, employees,
         consultants, contractors, or other third-party vendors; (ii)
         interruption in data communication resulting from the acts or omissions
         of Client or a third party; (iii) hardware or third-party software
         failures; or (iv) other causes beyond the control of Corillian.

9.3      During the term of this Agreement, Corillian shall provide Client with
         any upgrades to any Product or custom engineering deliverable licensed
         pursuant to the Agreements or any subsequent agreements between the
         parties, at no additional charge excepting only reasonable charges for
         media shipping, handling, and, if required, installation services.
         Upgrades shall be furnished to the Client within thirty (30) calendar
         days of their being made generally available. Client shall not be
         required to install any upgrades which Corillian deems unnecessary to
         Client's continued use of a Product or which shall not perform their
         documented functionality. The term "upgrades" shall mean any and all
         changes to a Product that (a) improve the operating performance but do
         not materially alter the functions of the Product; (b) incorporate all
         fixes or bypasses of known system errors; (c) that are required to
         allow Client to continue to implement Bill Payment Processing in
         accordance with Checkfree SIS specification; (d) are required to
         support subsequent versions of OFX, or versions of IFX or XML, which
         are required to support banking and bill pay transactions in subsequent
         commercial releases of Microsoft Money-Registered Trademark- and
         Quicken-Registered Trademark-. The term "upgrades" does not include
         improvements in a Product that are other than the items set forth in
         subsections (a) through (d) above and (i) add to or materially alter
         the basic functions of the Product; or (ii) that may be offered to
         Corillian's other customers for payment of additional or higher license
         fees because of improvements to the Product. In the event Client has
         licensed any custom engineering deliverable which is substantially
         similar to a product generally released to and supported for
         Corillian's other customers, and Corillian has provided an upgrade
         with regard to such product, a similar upgrade will be provided to
         Client hereunder.

9.4      During the term of this Agreement, upon written notice from Client,
         Corillian shall provide Client with modifications to any of the
         Products that are required to maintain the compliance of the Products
         with or to allow the Products to contain the functionality to permit
         Client to comply with all federal, state and local laws and regulations
         applicable to the functionality of and services to be performed by the
         Products. In the event that Corillian is required to make such
         modifications for any other customer and offers such modifications to
         the customer for no additional fee, then Corillian will provide such
         modifications to Client for no additional fee. In all other cases,
         Corillian agrees to provide Client with such

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

         * Portion has been omitted pursuant to a request for confidential
treatment and filed separately with the Commission.

                                                                          PAGE 5

<PAGE>

         modifications in a timely manner so that Client may be in compliance
         in accordance with the effective date of any new laws and regulations.

10.      PRODUCT ADVISORY BOARD

Two representatives of Client will be invited to participate in quarterly
Product Advisory Board meetings at Corillian to discuss strategic product
development, upcoming product releases and co-marketing opportunities.

11.      KNOWLEDGE TRANSFER AND TRAINING

In the event Client elects to receive Source Code pursuant to the Escrow
Agreement, Corillian will provide Client immediately upon release of the Source
Code from escrow in accordance with a mutually agreed to training program
knowledge transfer and training of the Source Code of the licensed Products to
include architecture overview, source code configuration review and major
component review. Client shall be entitled to the equivalent of four man weeks a
year of knowledge transfer and training for as long as Client receives support
services pursuant to this Support Schedule. In the event that Client terminates
this Support Services Schedule in connection with a request for release of the
Source Code from escrow, Corillian shall be obligated to provide only the
equivalent of four man weeks of knowledge transfer and training to be provided
immediately upon release of the Source Code from escrow. For any such on-site
training, Client agrees to pay Corillian's reasonable expenses, including, but
not limited to, air travel, local transportation, hotel rooms and meal expenses.

12.      AVAILABILITY OF SUPPORT

12.1     Corillian agrees, either directly or through a subcontractor, to offer
         support services hereunder, until at least December 31, 2006. Corillian
         may assign or subcontract the services provided to Client pursuant to
         this Support Schedule. Corillian shall provide Client with at least one
         hundred eighty days notice of such proposed assignment or
         subcontracting, so that Client may, in its sole discretion, determine
         whether to exercise its right to receive Source Code and knowledge
         transfer pursuant to Section 11 hereof and pursuant to the Escrow
         Agreement. However, if Corillian, its successors or assignees fails,
         for any reason whatsoever, to provide to Client, directly or through an
         any third party contractor, the Product maintenance and support
         services required to be provided by Corillian, or if such support
         services are provided in such a manner that, by virtue of such failure,
         Client is unable to make commercially reasonable beneficial use of the
         Products, then Client may exercise termination rights pursuant to
         Section 13.5 below.

12.2     Subject to its obligation to offer support services at least through
         December 31, 2006, Corillian may terminate this Support Services
         Schedule by providing Client with at least one hundred eighty (180)
         days notice prior to the expiration of the then current term.

13.      TERMINATION

13.1     In the event Client has not received Source Code pursuant to the terms
         of the Escrow Agreement, Client may terminate this Support Services
         Schedule by providing Corillian at least sixty (60) days notice prior
         to the expiration of the then current term.

13.2     In the event Client has received Source Code pursuant to the terms of
         the Escrow Agreement, and Client is not terminating pursuant to the
         provisions of Section 13.3, 13.4 or 13.5 below, Client may terminate
         this Support Services Schedule at any time by providing notice to
         Corillian and paying an exit fee in accordance with the following
         schedule:

                                                                          PAGE 6

<PAGE>

         13.2.1 From the effective date above and for 18 months thereafter:

                  (a)      If Client no longer utilizes the Products in any way,
                           then the exit fee shall equal $[ * ]

                  (b)      If Client continues to utilize the Products, then the
                           exit fee shall equal $[ * ].

         13.2.2 19 months--3 years from the effective date:

         The exit fee shall equal $[ * ]

         13.2.3 4 years--6 years from the effective date:

         The exit fee shall equal the unamortized portion of the $[ * ].
         Amortization begins in year 4 and is calculated using a three-year
         straight line depreciation method.

         13.2.4   After 6 years from the effective date above, Client may
                  terminate the Support Schedule prior to the end of the then
                  current term, continue to utilize the Products and pay no exit
                  fee..

13.3     In addition, regardless of whether Client has received the Source Code
         pursuant to the terms of the Escrow Agreement, Client may terminate
         this Support Services Schedule in accordance with the terms of Section
         7 or 8 of the Product Schedule or Section 6.2.1, 11.2 or 11.3 or 15 of
         the Agreement.

13.4     In addition, regardless of whether Client has received the Source Code
         pursuant to the terms of the Escrow Agreement, Client may terminate
         this Support Services Schedule at any time pursuant to the provisions
         of Section of 9.1 or 9.2 hereof. In such case, Client may at its option
         (i) discontinue use of the Products, terminate the License Agreement,
         and cancel all obligations with respect to payment of custom
         engineering and implementation fees not previously incurred prior to
         notice of termination, together with refund of any license fees for
         applications not previously accepted, terminate the Support Services
         Schedule without payment of an exit fee and receive a pro-rata refund
         of the Support Fees paid hereunder; (ii) continue to use the Products
         with a reduction in the License Fee or Support Services Fee as the
         parties mutually agree shall be fair and equitable or (iii) continue to
         use the Products, terminate the Support Services Schedule, receive a
         pro-rata refund of the Support Fees paid hereunder and pay Corillian an
         exit fee of $[ * ] or the amount owing under Section 13.2 of the
         Support Services Schedule, whichever is less and shall receive the
         Source Code pursuant to the Escrow Agreement, including the knowledge
         transfer obligation specified in Section 11 hereunder and thereunder.
         In the event that Client has previously exercised its election to
         receive the Source Code pursuant to the Escrow Agreement, Client shall
         have the same three remedies available to it. With respect to option
         (i), Client shall return to Corillian or certify the destruction of all
         copies of the Source Code thereof within 30 days of notice of
         termination and with regard to option (iii), regardless of whether
         Client shall have previously exercised its election to receive the
         Source Code, Corillian shall complete the knowledge transfer obligation
         specified in Section 11 hereof and under the Escrow Agreement, if it
         has not already done so, and until such completion shall continue to
         provide problem resolution

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

         * Portion has been omitted pursuant to a request for confidential
treatment and filed separately with the Commission.

                                                                          PAGE 7

<PAGE>

         services on a time and materials basis, and Client shall pay the exit
         fee upon completion of knowledge transfer.

13.5     In addition, regardless of whether Client has received the Source Code
         pursuant to the terms of the Escrow Agreement, Client may terminate
         this Support Services Schedule at any time pursuant to Section 13.1
         hereof. In such case, Client may, at its option,(i) discontinue use of
         the Products, terminate the License Agreement, and cancel all
         obligations with respect to payment of custom engineering and
         implementation fees not previously incurred prior to notice of
         termination,, together with refund of any license fees for applications
         not previously accepted, and terminate the Support Services Schedule
         without payment of an exit fee and receive a pro-rata refund of fees
         paid hereunder; (ii) continue to use the Products with reductions in
         the License Fee and Support Services Fee as the parties mutually agree
         shall be fair and equitable, or (iii) continue to use the Products,
         terminate the Support Services Schedule receive a pro-rata refund of
         the Support Fees paid hereunder, receive the Source Code pursuant to
         the Escrow Agreement, including knowledge transfer specified in Section
         11 hereunder and thereunder. In the event that Client has previously
         exercised its election to receive the Source Code pursuant to the
         Escrow Agreement, Client shall have the same three remedies available
         to it. With respect to option (i), Client shall return to Corillian or
         certify the destruction of all copies of the Source Code thereof within
         30 days of notice of termination and option (iii), regardless of
         whether Client shall have previously exercised its election to receive
         the Source Code, Corillian shall complete the knowledge transfer
         obligation specified in Section 11 hereof, if it has not already done
         so, and shall continue to provide problem resolution services on a time
         and materials basis.

13.6     Notwithstanding Client's election to terminate the Support Services
         Schedule and obtain Source Code pursuant to the provisions of the
         Support Services Schedule and Source Code Escrow Agreements, Client may
         use the Source Code so provided solely to maintain and support the
         Products, modify, enhance, and upgrade the Products for license it has
         purchased from Corillian in accordance with the terms of such license
         so as to enable Client to make the use of the Products intended by the
         Agreement. Client may not, under any circumstances, sell, disclose,
         assign, transfer or convey in any manner, or dispose of the Source Code
         or any portion thereof, except as otherwise provided in the Agreements.
         Termination of support pursuant to this Section 13 does not in any way
         affect Client's license rights to the Products as provided in the
         Agreement.

Each Party represents that it has read this Support Services Schedule and
understands its provisions and that the person signing this Support Services
Schedule on behalf of such Party is authorized to do so.

Wachovia Operational Services Corporation            Corillian Corporation

DATE:            12/22/99                            DATE: 12/23/99
     ---------------------------------------              ----------------------

BY:              /s/                                 BY:   /s/ Kirk Wright
   -----------------------------------------            ------------------------
                                                        Kirk Wright, President

                                                                          PAGE 8

<PAGE>

                                    EXHIBIT A

                              CORILLIAN CORPORATION
                      VOYAGER SOURCE CODE ESCROW AGREEMENT

Effective Date:  December ____, 1999         Corillian Corporation

Wachovia Operational Services                Corillian Corporation ("Corillian")
Corporation ("Client")                       3601 SW Murray Blvd., Suite 300
809 W.  4-1/2 Street                         Beaverton, Oregon 97005
Winston-Salem, North Carolina 27150          (503) 627-0729
                                             FAX (503) 641-5575

Corillian, by its signature indicating acceptance hereof, grants to Client a
Voyager Source Code Escrow Account ("Account") with Datasafe, Inc. ("Escrow
Agent") as agreed to herein. Corillian and Client have entered into a Voyager
License Agreement (the "License Agreement") pursuant to which Corillian will
grant to Client during the term of said Agreement a non-exclusive,
non-transferable License to use a production copy of the products named on the
Voyager Product Schedule(s) as defined therein (such products collectively
referred to herein as the "Products.")

STANDARD TERMS AND CONDITIONS

1.       ESCROW MATERIAL

The term "Escrow Material" as used in this Agreement means (i) the source code
of all of the Products, in such form that will allow Client to build and compile
usable object code, (ii) the similar source code version of any and all updates,
modifications, revisions, and enhancements to be delivered pursuant to the
Voyager License Agreement, as well as any other Products provided pursuant to
the Product Schedule of Support Services Schedule or otherwise pursuant to an
agreement with Client and (iii) any and all documentation developed by Corillian
or in its possession pertaining to the applicable source code. Without limiting
the generality of the foregoing, the "Escrow Material" shall include any
pertinent commentary or explanation that may be necessary to render the source
code understandable and useable by a trained computer-programming professional
who is generally familiar with C++/COM systems, although not necessarily those
incorporating the Products. The Escrow Material shall include system
documentation, statements of principles of operation, and schematics, all as
necessary or useful for the effective understanding and use of the source code.
Insofar as the "development environment" employed by Corillian for the
development, maintenance, and implementation of the source code includes any
device, programming or documentation not commercially available to the Client on
reasonable terms through readily known sources other than Corillian, the Escrow
Materials shall include all such devices, programming, or documentation. The
foregoing reference to the "development environment" is intended to apply to any
programs, including compilers, "workbenches", tools and higher-level (or
"proprietary") languages, used by Corillian for the development, maintenance and
implementation of the source code.

2.       ADDITIONS TO ESCROW MATERIAL

If Corillian develops updates, modifications, revisions or enhancements of the
Products which are to be delivered by Corillian to Client pursuant to the
Voyager License Agreement or otherwise pursuant to an agreement with Client,
then the related source code shall constitute additional Escrow Material. Within
ten (10) business days after the release of such additional Escrow Material,
Corillian shall give written notice thereof to Client, describing in detail such
additional Escrow Material. Such additional

                                                                          PAGE 1

<PAGE>

Escrow Material shall be deposited with Escrow Agent as provided in Section 4
below. It is the intention of the parties that the Source Code deposited
hereunder shall correspond to the Products in use by Client.

3.       INSPECTION

Client may appoint either (a) an independent firm of certified public
accountants of national reputation or (b) an independent, professional
computer-programming consultant mutually agreeable to Corillian and Client to
inspect, compile, test and review the source code (subject to appropriate
undertakings of confidentiality and restrictions on subsequent use and
disclosure) at any time, and Escrow Agent shall permit such inspections and
testing promptly upon request. Except as otherwise authorized by Corillian
(which authorization will not be unreasonably withheld), such inspections and
testing shall be conducted at the offices of the Escrow Agent designated in
Section 14..

4.       DEPOSIT

Within ten (10) days after the release of any applicable Product, or whenever an
obligation shall arise under Section 2, Corillian shall deposit the relevant
Escrow Material with Escrow Agent. Escrow Agent shall issue to Corillian (with a
copy to Client) a receipt for the Escrow Material upon its delivery to Escrow
Agent.

5.       STORAGE

Escrow Agent will accept the deposit of Escrow Material and will preserve and
protect the Escrow Material at Escrow Agent's offices designated in Section 14.
Escrow Agent shall prohibit any person (including employees of Corillian) from
gaining access to the Escrow Material except (a) as provided by the terms of
this Agreement, or (b) as otherwise directed by court order.

6.       RESPONSIBILITIES

In performing its duties under this Agreement, Escrow Agent is authorized to
conclusively rely upon any statement, consent, agreement, or other instrument
not only as to its due execution, its validity, and the effectiveness of its
provisions, but also as to the truth and accuracy of any information contained
therein, which Escrow Agent shall in good faith believe to be genuine or to have
been presented or signed by a proper person or persons. Escrow Agent shall not
be responsible or liable for any promise, representation, agreement, condition,
or stipulation not set forth in this Agreement; for the sufficiency,
correctness, genuineness, or validity of any instruments or documents deposited
with Escrow Agent; for the form of execution thereof or the identity, authority,
or rights of any person executing the same; for the performance of or compliance
with the terms or conditions of any such instruments; for the maintenance of any
property covered by this Agreement (other than to provide reasonable care to
protect and safeguard the Escrow Materials), including, but not limited to,
payment of taxes, assessments, upkeep charges, or repair bills; for the
sufficiency or priority of any security or the value or title of any property;
for any loss which may occur by reason of forgeries, false representations, or
the exercise of Escrow Agent's judgment in any particular manner; or for any
other reason except Escrow Agent's negligence or intentional misconduct.

7.       USEABILITY OF SOURCE CODE

Corillian represents and warrants that the Escrow Materials are and shall be
understandable and useable by a trained computer-programming professional who is
generally familiar with C++/COM systems, though not necessarily those
incorporating the Products. Corillian further represents and warrants that the
Products do not involve any proprietary languages or programming components that
such a professional could not reasonably be expected to understand, except to
the extent the Escrow

                                                                          PAGE 2

<PAGE>

Materials contains sufficient commentary to enable such professional to
understand and use such languages or components. Corillian further represents
and warrants that the Escrow Materials contain all of the devices, programming,
and documentation necessary for the maintenance of the Products by the Client
upon release of the Escrow Materials pursuant to this Agreement, except for
devices, programming and documentation commercially available to the Client on
reasonable terms through readily known sources other than the Licensor.

8.       RIGHT TO ESCROW MATERIAL; USE OF ESCROW MATERIAL

Client shall be entitled to receive the Escrow Material upon

Client providing Escrow Agent and Corillian with written notice of its election
to obtain Escrow Materials. Escrow Agent shall deliver the Escrow Material to
Client within ten (10) business days following the date of its receipt of
Client's request.

9.       USE

Upon release of the Escrow Materials hereunder, Client is granted, without any
further action, authorization or instrument, a non-exclusive, non-transferrable,
perpetual license in the Escrow Materials. Client may use the Escrow Material
provided under this Agreement to maintain and support the Products, and to
modify, enhance, and upgrade the Products and otherwise in accordance with the
terms of the License Agreement so as to enable Client to make the use of the
Products intended by the License Agreement. Client will not, under any
circumstances, sell, disclose, assign, transfer or convey in any manner, or
dispose of the Escrow Material or any portion of the Escrow Material, except as
may be permitted in the License Agreement. The parties intend and agree that
this Agreement is an "agreement supplementary to" the License Agreement as
provided in Section 365(n) of Title 11 U.S.C. (the "Bankruptcy Code") for all
purposes. Upon release of the Escrow Materials, the Escrow Materials shall be
considered to be "Products" for all purposes of the License Agreement.

10.      KNOWLEDGE TRANSFER

Promptly upon any release of the Escrow Materials to Client by the Escrow Agent
for any reason hereunder, Corillian will provide Client with knowledge transfer
and training of the Escrow Materials of the Products, to include architecture
overview, source code configuration review and major component review. Client
shall be entitled to such knowledge transfer in accordance with the terms set
forth in the Support Services Schedule.

11.      RELIANCE

Escrow Agent may conclusively rely upon and shall be protected, indemnified, and
held harmless by Client and Corillian, jointly and severally, in acting upon the
written (which shall include instructions given by telecopier or other
telecommunications device) instructions of any officer of either Corillian or
Client or of counsel to either of them with respect to any matter relating to
its actions as Escrow Agent under this Agreement, provided, however, that in the
event this Agreement requires instructions from both of the parties, Escrow
Agent shall be required to obtain such instructions from both parties. The
Escrow Agent shall comply with any such instructions, notwithstanding any demand
or notice to the contrary from any person, and is relieved from liability for
doing so.

12.      INDEMNIFICATION

Client and Corillian, jointly and severally, covenant and agree to indemnify
Escrow Agent and hold it harmless (without prejudice to a determination between
Client and Corillian as to which party shall

                                                                          PAGE 3

<PAGE>

bear the ultimate responsibility) against any loss, liability, or expense
arising out of or in connection with its performance of its duties under this
Agreement, including, but not limited to, legal and other fees and expenses and
including specifically, but without limitation, any legal or other expenses with
respect to any action for interpleader by Escrow Agent, except that Escrow Agent
shall not be indemnified against any such loss, liability, or expense arising
out of its negligence or intentional misconduct. Escrow Agent shall be under no
obligation to institute or defend any action, suit, or legal proceeding in
connection with this Agreement, unless first indemnified and held harmless to
its satisfaction in accordance with the foregoing.

13.      TERM OF AGREEMENT; TERMINATION

The term of this Agreement and the Account granted hereunder shall commence upon
acceptance of this Agreement by Corillian from the Effective Date above and
shall continue in effect until Corillian and Client shall both notify Escrow
Agent by notarized certificate, signed by an officer of both Corillian and
Client, that Corillian no longer has any obligations to Client requiring the
deposit of the Escrow Material in escrow, whereupon Escrow Agent shall destroy
the Escrow Material and provide acknowledgment thereof to Corillian.

14.      NOTICES

All notices, reports, instructions, requests, and other communications given
under this Agreement shall be in writing and shall be deemed to have been given
or made (i) if by mail, when received by certified mail, postage prepaid, return
receipt requested; or (ii) if by facsimile, when sent by facsimile to the
facsimile number set forth below with evidence of receipt by sender or (iii) if
by courier, when received; provided, however, that either party may change its
address or facsimile number for notices by providing notice to the other party
or such change in the manner provided herein. Notices shall be directed to the
following addresses or facsimile numbers:

         To Escrow Agent:              Datasafe, Inc.
                                       P.O. Box 23056
                                       Tigard, OR 97281-3056
                                       Telephone: (503) 620-3423
                                       Facsimile: (503) 684-3332

         To Corillian:                 Corillian Corporation
                                       3601 S.W. Murray Blvd., Suite 300
                                       Beaverton, OR 97005
                                       Telephone: (503) 627-0729
                                       Facsimile: (503) 641-5575
                                       Attention: Daryn Chapman

         To Client:                    Wachovia Operational Services Corporation
                                       c/o Wachovia Bank, N.A.
                                       101 N. Cherry Street
                                       Winston-Salem, NC 27102
                                       Attention: Digital Platform Manager
                                       (Joanna Giacobbe)

15.      DUTIES OF ESCROW AGENT

Escrow Agent shall have no duties or obligations except those expressly set
forth in this Agreement, and no implied duties or obligations shall be read into
this Agreement against Escrow Agent. Escrow Agent shall have no responsibilities
or liability to any of the parties or their successors for any action

                                                                          PAGE 4

<PAGE>

taken by it in good faith upon receipt of any instrument or other writing
believed by it to be genuine and to be properly signed or presented. In case any
property deposited under this Agreement shall be attached, garnished, or levied
upon pursuant to an order of court or other authority having jurisdiction, or
the delivery thereof shall be stayed or enjoined by an order of court, or any
other order, judgment, or decree shall be made or entered by any court affecting
such property or any part thereof (unless such order, judgment, or decree has
been stayed, pending appeal), Escrow Agent shall obey and comply with all final
writs, orders, judgments, or decrees so entered or issued by any court, without
the necessity of inquiry whether such court had jurisdiction. Upon receipt of
notice of an order, writ, judgment, or decree, Escrow Agent will transmit copies
of said writ and other process or pleading received to all parties, and shall
not comply with any writ, order, judgment, or decree until seven (7) days
following delivery of such copies to all parties if permitted under such
document.

16.      EXPENSES

Corillian and Client shall each pay one-half of the fees and expenses to Escrow
Agent directly in accordance with Escrow Agent's fee schedule. The Escrow
Agent's fees and expenses will be paid annually in advance. Any costs incurred
by the Escrow Agent will be billed at the end of the month in which they are
incurred.

17.      TAXES

Corillian and Client shall each be responsible for one-half of any federal,
state, excise, and local government fees, assessments, charges, and taxes
connected with this Agreement.

18.      WITHDRAWAL OF ESCROW AGENT

Escrow Agent may resign on sixty (60) days written notice to each of the
parties. Thereafter, upon payment of all fees and costs earned or incurred by
Escrow Agent in connection with this Agreement, Escrow Agent shall deliver the
Escrow Material to a successor escrow agent named by Corillian and Client or, if
none, to the party named in written instructions from Corillian and Client. If a
successor escrow agent has not been appointed and has not accepted appointment
by the end of such sixty (60) day period, Corillian or Client may apply to a
court of competent jurisdiction for the appointment of a successor escrow agent
and the reasonable costs, expenses, and attorneys' fees of Escrow Agent that are
incurred in connection with such a proceeding shall be paid equally by Corillian
and Client.

19.      SEVERABILITY

If any of the terms, conditions, or provisions of this Agreement shall be held
invalid, illegal, or unenforceable, then, notwithstanding, this Agreement shall
remain in full force and effect and the legality, validity, and enforceability
of the remaining terms, conditions, or provisions shall not be affected.

20.      SUCCESSORS AND ASSIGNS

This Agreement shall inure to the benefit of, and shall be binding upon, the
permitted successors and assigns of the parties.

21.      HEADINGS

The headings of the sections and paragraphs of this Agreement are solely for
convenience of reference and are not part of and are not intended to define,
govern, limit, or aid in the construction of this Agreement.

                                                                          PAGE 5

<PAGE>

22.      WAIVER

No failure or delay on the part of any party in exercising any right, power, or
remedy under this Agreement may be, or may be deemed to be, a waiver thereof;
nor may any single or partial exercise of any right, power, or remedy preclude
any other further exercise of any right, power or remedy.

23.      ATTORNEYS' FEES

In the event of any dispute arising out of the subject matter of this Agreement,
the prevailing party shall recover, in addition to any other damages assessed,
its reasonable attorneys' fees and court costs incurred in arbitrating,
litigating, or otherwise settling or resolving such dispute.

24.      GOVERNING LAW

The validity, construction and performance of this Agreement shall be governed
by the laws of the State of New York without reference to its choice of law
rules, except to the extent the same are preempted by the laws of the United
States of America.

25.      ENTIRE AGREEMENT

This Agreement constitutes the entire agreement of the parties on the subject
matter of this Agreement and no amendment, modification, or addition hereto
shall have effect or be binding unless in writing and executed by all of the
parties. This Agreement may be executed in any number of counterparts, each of
which shall be deemed to be one and the same instrument.

UNDERSTOOD AND ACCEPTED:

Client:                                               Corillian:

Wachovia Operational Services Corporation             CORILLIAN CORPORATION

DATE:         12/22/99                                DATE: 12/23/99
     ------------------------------------                  ---------------------

BY:           /s/                                     BY:   /s/ Kirk Wright
   --------------------------------------                -----------------------
                                                          Kirk Wright, President

Escrow Agent:

DATASAFE, INC.

DATE:
     ------------------------------------

BY:

-----------------------------------------
Authorized Signature

-----------------------------------------
Printed Name and Title

                                                                          PAGE 6<PAGE>

                                                                    EXHIBIT 4.2

                       FIRST AMENDMENT TO RIGHTS AGREEMENT

     This FIRST AMENDMENT TO RIGHTS AGREEMENT (this "AMENDMENT"), dated as of
March 3, 2000, is by and between Cubist Pharmaceuticals, Inc., a Delaware
corporation (the "Company"), and Fleet National Bank f/k/a BankBoston, N.A, a
national banking association organized and existing under the laws of the
United States of America (the "RIGHTS AGENT"). Capitalized terms used herein
without definition shall have the respective meanings ascribed to such terms
in the Rights Agreement (as defined below);

     WHEREAS, the Company and the Rights Agent entered into a Rights Agreement,
dated as of July 21, 1999 (the "RIGHTS AGREEMENT");

     WHEREAS, all acts necessary to make this Amendment a valid agreement,
enforceable according to its terms, have been done and performed, and the
execution and delivery of this Amendment by the Company and the Rights Agent
have been in all respects duly authorized by the Company and the Rights Agent;
and

     WHEREAS, the Company and the Rights Agent desire to amend the Rights
Agreement pursuant to Section 28 thereof, which authorizes the Company and the
Rights Agent to supplement or amend any provision of the Rights Agreement
without the approval of any holders of certificates representing Preferred
Shares.

     NOW, THEREFORE, in consideration of the promises and mutual agreements
herein set forth, the parties hereto hereby agree as follows:

     1.   The Rights Agreement is hereby amended by deleting Section 7(b) in its
entirety and substituting in place thereof:

          "(b) The Purchase Price for each one one-hundredth of a Preferred
Share upon the exercise of a Right will initially be $490.00, will be subject to
adjustment from time to time as provided in Sections 11 and 13 hereof, and will
be payable in lawful money of the United States of America in accordance with
Section 7(c) hereof (the `PURCHASE PRICE')."

     2.   The Rights Agreement is hereby amended by deleting Exhibit B in its
entirety and substituting in place thereof the Form of Amended Rights
Certificate attached hereto as Exhibit B.

     3.   The Rights Agreement is hereby amended by deleting Exhibit C in its
entirety and substituting in place thereof the Amended Summary of Rights
attached hereto as Exhibit C.

     4.   The Rights Agreement, as amended by this Amendment, shall remain in
full force and effect in accordance with its terms.

     5.   This Amendment may be executed in one or more counterparts and each of
such counterparts shall for all purposes be deemed to be an original, and all
such counterparts shall together constitute one and the same instrument.

<PAGE>
                                      -2-

     6.   This Amendment will be deemed to be a contract made under the laws of
the State of Delaware and for all purposes will be governed by and construed in
accordance with the laws of such State applicable to contracts to be made and
performed entirely within such State.

<PAGE>
                                      -3-

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed and attested, as an agreement under seal, as of the date first
above written.

                                CUBIST PHARMACEUTICALS, INC.

                                By:  /s/ SCOTT M. ROCKLAGE
                                ------------------------------------------
                                Name:  Scott M. Rocklage
                                Title: Chairman of the Board of Directors,
                                       Chief Executive Officer and President

                                 FLEET NATIONAL BANK

                                 By: /s/ CHRISTOPHER RICHARD
                                 ------------------------------------------
                                 Name:  Christopher Richard
                                 Title: Director

ATTEST:

/s/ THOMAS A. SHEA
----------------------------------
Name:  Thomas A. Shea

<PAGE>
                                                                    EXHIBIT B
                       [FORM OF AMENDED RIGHTS CERTIFICATE]

CERTIFICATE NO. R-                                              ________ RIGHTS

         NOT EXERCISABLE AFTER AUGUST 3, 2009, OR EARLIER IF NOTICE OF
         REDEMPTION OR EXCHANGE OCCURS. THE RIGHTS ARE SUBJECT, AT THE OPTION OF
         THE COMPANY, TO REDEMPTION AT $0.0001 PER RIGHT AND TO EXCHANGE ON THE
         TERMS SET FORTH IN THE RIGHTS AGREEMENT. UNDER CERTAIN CIRCUMSTANCES,
         RIGHTS BENEFICIALLY OWNED BY AN ACQUIRING PERSON (AS SUCH TERM IS
         DEFINED IN THE RIGHTS AGREEMENT) AND ANY SUBSEQUENT HOLDER OF SUCH
         RIGHTS MAY BECOME NULL AND VOID.

                               RIGHTS CERTIFICATE

                          CUBIST PHARMACEUTICALS, INC.

     This certifies that , or registered assigns, is the registered owner of the
number of Rights set forth above, each of which entitles the owner thereof,
subject to the terms, provisions, and conditions of the Rights Agreement, dated
as of July 21, 1999 (the "RIGHTS AGREEMENT"), by and between Cubist
Pharmaceuticals, Inc. (the "COMPANY"), a Delaware corporation, and Fleet
National Bank f/k/a BankBoston, N.A. (the "RIGHTS AGENT"), to purchase from the
Company at any time after the Distribution Date (as defined in the Rights
Agreement) and prior to 5:00 P.M., Boston time, on August 3, 2009, at the office
of the Rights Agent designated for such purpose, or at the office of its
successor as Rights Agent designated for such purpose, one one-hundredth of a
share of the Series A Junior Participating Preferred Stock, par value $0.001 per
share (the "PREFERRED SHARES"), of the Company, at a purchase price of $490.00
per one one-hundredth of a Preferred Share (the "PURCHASE PRICE"), upon
presentation and surrender of this Rights Certificate with the Form of Election
to Purchase duly executed. The number of Rights evidenced by this Rights
Certificate (and the number of one one-

<PAGE>
                                      -2-

hundredths of a Preferred Share that may be purchased upon exercise hereof) set
forth above, and the Purchase Price set forth above, are the number of Rights
and Purchase Price as of August 3, 1999, based on the Preferred Shares as
constituted at such date. As provided in the Rights Agreement, the Purchase
Price and the number of one one-hundredths of a Preferred Share that may be
purchased upon the exercise of the Rights evidenced by this Rights Certificate
are subject to modification and adjustment upon the happening of certain events.

     This Rights Certificate is subject to all of the terms, provisions, and
conditions of the Rights Agreement, which terms, provisions, and conditions are
hereby incorporated herein by reference and made a part hereof and to which
Rights Agreement reference is hereby made for a full description of the rights,
limitations of rights, obligations, duties, and immunities of the Rights Agent,
the Company and the holders of the Rights Certificates. Copies of the Rights
Agreement are on file at the principal executive offices of the Company and the
above-mentioned office of the Rights Agent.

     This Rights Certificate, with or without other Rights Certificates, may be
surrendered at the principal office of the Rights Agent in exchange for another
Rights Certificate or Rights Certificates of like tenor and date evidencing
Rights entitling the holder to purchase the same aggregate number of one
one-hundredths of a Preferred Share as the Rights evidenced by the Rights
Certificate or Rights Certificates surrendered entitled such holder to purchase.
If this Rights Certificate is exercised in part, the holder will be entitled to
receive upon surrender hereof another Rights Certificate or Rights Certificates
for the number of whole Rights not exercised.

     Subject to the provisions of the Rights Agreement, the Rights evidenced by
this Certificate (i) may be redeemed by the Company at its option at a
redemption price of $0.0001 per Right, or (ii) may be exchanged in whole or in
part by the Company, at its option, for the appropriate number of one
one-hundredths of a Preferred Share.

     Fractional Preferred Shares will be issued upon the exercise of any Right
or Rights evidenced hereby.

     No holder of this Rights Certificate, as such, will be entitled to vote or
receive dividends or be deemed for any purpose the holder of any Preferred
Shares or of any other securities of the Company that may at any time be
issuable on the exercise hereof, nor will anything contained in the Rights
Agreement or herein be construed to confer upon the holder hereof, as such, any
of the rights of a stockholder of the Company or any right to vote for the
election of directors or upon any matter submitted to stockholders at any
meeting thereof, or to give or withhold consent to any corporate action, or to
receive notice of meetings or other actions affecting stockholders (except as
provided in the Rights Agreement), or to receive dividends

<PAGE>
                                      -3-

or subscription rights, or otherwise, until the Right or Rights evidenced by
this Rights Certificate have been exercised as provided in the Rights Agreement.

     This Rights Certificate will not be valid or obligatory for any purpose
until it is countersigned by the Rights Agent.

     Dated as of ____________, ____.

                                    CUBIST PHARMACEUTICALS, INC.

                                    By:______________________________________
                                       Name:
                                       Title:

Countersigned:

_________________________________________

By:______________________________________
Name:
Title:

<PAGE>
                                      -4-

               [Form of Reverse Side of Amended Rights Certificate]

                               FORM OF ASSIGNMENT

(To be executed by the registered holder if such
holder desires to transfer the Rights Certificate.)

     FOR VALUE RECEIVED ____________________________________________________
hereby sells, assigns, and transfers to ____________________________________
____________________________________________________________________________
                  (Please print name and address of transferee)
____________________________________________________________________________
this Rights Certificate, together with all right, title, and interest therein,
and does hereby irrevocably constitute and appoint _____________________ as
attorney, to transfer the within Rights Certificate on the books of Cubist
Pharmaceuticals, Inc., with full power of substitution.

Dated: _____________, _____                 ________________________________
                                                       (Signature)

Medallion Signature Guaranty:

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

                            ASSIGNMENT CERTIFICATION

     The undersigned hereby certifies by checking the appropriate boxes that:

     (l)  The Rights evidenced by this Rights Certificate [ ] are [ ] are not
being sold, assigned, and transferred by or on behalf of a Person who is or was
an Acquiring Person or an Affiliate or Associate of any such Acquiring Person
(as such term is defined pursuant to the Rate Agreement);

     (2)  After due inquiry and to the best knowledge of the undersigned, he,
she, or it [ ] did [ ] did not acquire the Rights evidenced by this Rights
Certificate from any person who is or was an Acquiring Person or an Affiliate or
Associate of an Acquiring Person.

Dated: _____________, _____                 ________________________________
                                                       (Signature)

<PAGE>
                                      -5-

                                     NOTICE

     The signatures to the foregoing Assignment and Certification must
correspond exactly to the name of the registered owner hereof, as written upon
the face of this Rights Certificate, without any change whatsoever.

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

                          FORM OF ELECTION TO PURCHASE

(To be executed if holder desires to
exercise the Rights Certificate.)

To CUBIST PHARMACEUTICALS, INC.:

     The undersigned hereby irrevocably elects to exercise _____________________
Rights represented by this Rights Certificate to purchase the Preferred Shares
(or fractions thereof or such other securities of the Company or of any other
person) issuable upon the exercise of such Rights and requests that certificates
for such shares be issued in the name of:

Please insert social security
or other identifying number:_____________________

--------------------------------------------------------------------------------
                        (Please print name and address)

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

(If the above number of Rights is not all of the Rights evidenced by this Rights
Certificate, then a new Rights Certificate for the balance remaining of such
Rights will be registered and returned to the undersigned.)

Dated: _____________, _____                 ________________________________
                                                       (Signature)

Medallion Signature Guaranty:

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

                             ELECTION CERTIFICATION

     The undersigned hereby certifies by checking the appropriate boxes that:

<PAGE>
                                      -6-

     (1)  The Rights evidenced by this Rights Certificate [ ] are [ ] are not
eing sold, assigned, and transferred by or on behalf of a Person who is or was
an Acquiring Person or an Affiliate or Associate of any Acquiring Person (as
such terms are defined pursuant to the Rate Agreement).

     (2)  After due inquiry and to the best knowledge of the undersigned, he,
she, or it [ ] did [ ] did not acquire the Rights evidenced by this Rights
Certificate from any person who is or was an Acquiring Person or an Affiliate or
Associate of any Acquiring Person.

Dated: _____________, _____                 ________________________________
                                                       (Signature)

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

                                     NOTICE

     The signatures in the foregoing Election to Purchase and Certification must
correspond exactly to the name of the registered owner hereof, as written upon
the face of this Rights Certificate, without any change whatsoever.

     In the event the certification set forth above in the Assignment or the
Election to Purchase, as the case may be, is not completed, the Company and the
Rights Agent will deem the beneficial owner of the Rights evidenced by this
Rights Certificate to be an Acquiring Person or an Affiliate or Associate
thereof (as defined in the Rights Agreement) and such Assignment or Election to
Purchase will not be honored.
<PAGE>

                                                                  EXHIBIT C

                          AMENDED SUMMARY OF RIGHTS

     On July 21, 1999, the Board of Directors of Cubist Pharmaceuticals, Inc.
(the "COMPANY") declared a dividend of one fractional preferred share purchase
right (a "RIGHT") for each outstanding share of common stock, par value $0.001
per share (the "COMMON SHARES"), of the Company. The dividend was payable on
August 3, 1999 (the "RECORD DATE") to the stockholders of record on that date.
Except as described below, each Right, when exercisable, entitles the registered
holder to purchase from the Company one one-hundredth of a share of Series A
Junior Participating Preferred Stock of the Company, par value $0.001 per share
(the "PREFERRED SHARES"), at a price of $490.00 per one one-hundredth of a
Preferred Share (the "PURCHASE PRICE"), subject to adjustment or substitution of
other securities of the Company in place of the Preferred Shares. The
description and terms of the Rights are set forth in a Rights Agreement (the
"RIGHTS AGREEMENT") between the Company and Fleet National Bank f/k/a
BankBoston, N.A., as Rights Agent (the "RIGHTS AGENT").

     Initially, the Rights will be attached to all certificates representing
Common Shares then outstanding, and no separate Rights certificates will be
distributed. Until the earlier to occur of (i) 10 business days following a
public announcement that a person or group of affiliated or associated persons
(an "ACQUIRING PERSON") have acquired beneficial ownership of 15% or more of the
outstanding Common Shares (the date of such an announcement being a "SHARES
ACQUISITION DATE"), or (ii) 10 business days (or such later date as may be
determined by action of the Board of Directors prior to such time as any Person
becomes an Acquiring Person) following the commencement of, or announcement of
an intention to make, a tender offer or exchange offer the consummation of which
would result in the beneficial ownership by a person or group of 15% or more of
such outstanding Common Shares (in either case, (i) or (ii), the "DISTRIBUTION
DATE"), the Rights will be evidenced, with respect to any of the Common Share
certificates outstanding as of the Record Date, by such Common Share
certificates together with a copy of this Summary of Rights.

     The Rights Agreement provides that, until the Distribution Date, the Rights
will be transferred with and only with the Common Shares. Until the Distribution
Date (or earlier redemption or expiration of the Rights), new Common Share
certificates issued after the Record Date upon transfer or new issuance of
Common Shares will contain a notation incorporating the Rights Agreement by
reference. Until the Distribution Date (or earlier redemption or expiration of
the Rights), the surrender for transfer of any certificates for Common Shares
outstanding as of the Record Date, even without such notation or a copy of this
Summary of Rights being attached thereto, will also constitute the transfer of
the Rights associated with the Common Shares represented by such certificate. As
soon as practicable following the Distribution Date, separate certificates
evidencing the Rights ("RIGHTS CERTIFICATES") will be mailed to holders of
record of the Common Shares as of the close of business on

<PAGE>
                                      -2-

the Distribution Date, and the separate Rights Certificates alone will evidence
the Rights.

     The Rights are not exercisable until the Distribution Date. The Rights will
expire on August 3, 2009 (the "FINAL EXPIRATION DATE"), unless the Rights are
earlier redeemed by the Company, as described below.

     The Purchase Price payable, and the number of Preferred Shares or other
securities or property issuable, upon exercise of the Rights are subject to
adjustment from time to time to prevent dilution (i) in the event of a stock
dividend on, or a subdivision, combination or reclassification of, the Preferred
Shares, (ii) upon the grant to holders of the Preferred Shares of certain rights
or warrants to subscribe for or purchase Preferred Shares at a price, or
securities convertible into Preferred Shares with a conversion price, less than
the then current market price of the Preferred Shares or (iii) upon the
distribution to holders of the Preferred Shares of evidences of indebtedness or
assets (excluding regular periodic cash dividends paid out of earnings or
retained earnings or dividends payable in Preferred Shares) or of subscription
rights or warrants (other than those referred to above).

     The number of outstanding Rights and the number of one one-hundredths of a
Preferred Share issuable upon exercise of each Right are also subject to
adjustment in the event of a stock split of the Common Shares or a stock
dividend on the Common Shares payable in Common Shares or subdivisions,
consolidations or combinations of the Common Shares occurring, in any such case,
prior to the Distribution Date.

     Preferred Shares purchasable upon exercise of the Rights will not be
redeemable. Each Preferred Share will be entitled to a minimum preferential
quarterly dividend payment of $1 per share but will be entitled to an aggregate
dividend of 100 times the dividend declared per Common Share. In the event of
liquidation, the holders of the Preferred Shares will be entitled to a minimum
preferential liquidation payment of $100 per share but will be entitled to an
aggregate payment of 100 times the payment made per Common Share. Each Preferred
Share will have 100 votes, voting together with the Common Shares. Finally, in
the event of any merger, consolidation or other transaction in which Common
Shares are exchanged, each Preferred Share will be entitled to receive 100 times
the amount received per Common Share. These rights are protected by customary
anti-dilution provisions.

     Because of the nature of the Preferred Shares' dividend, liquidation and
voting rights, the value of the one one-hundredth interest in a Preferred Share
purchasable upon exercise of each Right should approximate the value of one
Common Share.

     If, after the first date of public announcement by the Company or an
Acquiring Person that an Acquiring Person has become such, the Company is
involved in a merger or other business combination transaction in which the
Common Shares are exchanged or changed, or 50% or more of the Company's
consolidated assets or earning power are sold (in one transaction or a series of
transactions), proper provision will be made so that each holder of a Right
(other than an Acquiring Person) will thereafter

<PAGE>
                                      -3-

have the right to receive, upon the exercise thereof at the then current
exercise price of the Right, that number of shares of common stock of the
acquiring company (or, in the event there is more than one acquiring company,
the acquiring company receiving the greatest portion of the assets or earning
power transferred) which at the time of such transaction would have a market
value of two times the exercise price of the Right.

     If any person becomes an Acquiring Person, each holder of a Right will
thereafter have the right to receive upon exercise that number of Common Shares
having a market value of two times the exercise price of the Right. UPON
OCCURRENCE OF ANY OF THE EVENTS DESCRIBED IN THE IMMEDIATELY PRECEDING SENTENCE,
ANY RIGHTS THAT ARE, OR (UNDER CERTAIN CIRCUMSTANCES SPECIFIED IN THE RIGHTS
AGREEMENT) WERE, BENEFICIALLY OWNED BY ANY ACQUIRING PERSON SHALL IMMEDIATELY
BECOME NULL AND VOID.

     At any time after the occurrence of any such event and prior to the
acquisition by such person or group of 50% or more of the outstanding Common
Shares, the Board of Directors may exchange the Rights (other than Rights owned
by such person or group which have become void), in whole or in part, at an
exchange ratio of one Common Share, or one one-hundredth of a Preferred Share
(or of a share of a class or series of the Company's preferred stock having
equivalent rights, preferences and privileges), per Right (subject to
adjustment).

     With certain exceptions, no adjustment in the Purchase Price will be
required until cumulative adjustments require an adjustment of at least 1% in
such Purchase Price. No fractional Preferred Shares (other than fractions which
are integral multiples of one one-hundredth of a Preferred Share, which may, at
the election of the Company, be evidenced by depositary receipts) will be issued
and in lieu thereof, an adjustment in cash will be made based on the market
price of the Preferred Shares on the last trading day prior to the date of
exercise.

     At any time prior to the earlier of (i) the tenth day after a Shares
Acquisition Date, or (ii) the expiration of the Rights, the Board of Directors
may redeem the Rights in whole, but not in part, at a price of $0.0001 per Right
(the "REDEMPTION PRICE"). The redemption of the Rights may be made effective at
such time on such basis and with such conditions as the Board of Directors in
its sole discretion may establish. Immediately upon any redemption of the
Rights, the right to exercise the Rights will terminate and the only right of
the holders of Rights will be to receive the Redemption Price.

     Other than those provisions relating to the principal economic terms of the
Rights, any of the provisions of the Rights Agreement may be amended by the
Board of Directors of the Company prior to the Distribution Date. After the
Distribution Date, the provisions of the Rights Agreement may be amended by the
Board in order to cure any ambiguity, to make changes that do not adversely
affect the interests of holders of Rights (excluding the interests of any
Acquiring Person), or to shorten or lengthen any time period under the Rights
Agreement; PROVIDED, HOWEVER, that no amendment to adjust the time period
governing redemption shall be made at such time as the Rights are not
redeemable.

     Until a Right is exercised, the holder thereof, as such, will have no
rights as a stockholder of the Company, including, without limitation, the right
to vote or to receive dividends.

     A copy of the Rights Agreement has been filed with the Securities and
Exchange Commission as an Exhibit to a Current Report on Form 8-K dated July
30, 1999. A First Amendment to Rights Agreement has been filed with the
Securities and Exchange Commission as an Exhibit to a Registration Statement
on Form 8-A/A dated March 9, 2000. A copy of the Rights Agreement is
available free of charge from the Company. This summary description of the
Rights does not purport to be complete and is qualified in its entirety by
reference to the Rights Agreement, which is hereby incorporated herein by
reference.

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