Document:

<PAGE>

                                                                    EXHIBIT 10.1

                                  Translation

                                   Agreement
                   Regarding the Sale and Transfer of Shares

                                    between

                       1 a) Y.A.C. Finance Holding S.A.
                      9, rue Dicks Bereldange/Luxembourg
                                             (hereinafter referred to as "YAC")

                                      and

                            1 b) Ms. Anja Fernbach
                                   (hereinafter referred to as "Anja Fernbach")

                                      and

                           1 c) Mr. Gunther Fernbach
                                 (hereinafter referred to as "Gunther Fernbach")

(the parties 1 [a] to [c] hereinafter referred to collectively as "the sellers")

                                      and

                           2. BROKAT Infosystems AG,
                      Industriestrasse 3, 70565 Stuttgart
                                           (hereinafter referred to as "BROKAT")

 (the sellers and BROKAT hereinafter referred to collectively as "the parties")
<PAGE>

 Recitals
 I. Capital increase (step I)                                                  3
   (S) 1 Capital increase, subscription                                        5
   (S) 2 Contribution, surcharge                                               5
   (S) 3 Change in the FFS articles of incorporation                           6
 II. Granting of the option to purchase all shares remaining with the sellers
 after step I                                                                  8
   (S) 4 Granting of the option                                                8
   (S) 5 Targets                                                               9
   (S) 6 Acceptance of the purchase offer                                     10
   (S) 7 Purchase price, substitution authorization                           11
   (S) 8 Transfer of the step II shares                                       12
   (S) 9 Purchasing right                                                     12

   (S) 10 Preemptive right                                                    13
 III. Employee participation                                                  14
   (S) 11 Employee participation                                              14
 IV. WarrantiesWarranties and representations representation                  16
   (S) 12 General                                                             16
   (S) 13 Warranties with regard to the corporate relationships of Fernbach
   Company and the sellers' freedom of disposal                               17
   (S) 14 Warranties with regard to the enterprise and asset status of the
   Fernbach companies                                                         18
   (S) 15 Warranties with regard to contractual and legal relationships and
   conditions                                                                 20
   (S) 16 Tax and social-welfare insurance release                            23
   (S) 17 Enterprise continuation                                             24
   (S) 18 Legal consequences of violating a guarantee or representation       25
   (S) 19 Limitation period                                                   26
 V. Measures before or after the signing date                                 26
   (S) 20 Changes to the articles of incorporation of FFS, appointment of
 a new member to the administrative board, sale of shares in Fernbach
 Software Ireland Ltd.                                                        26
   (S) 21 Employment relationship of Gunther Fernbach                         27
 VI. Rights and duties of the parties for the period after the end of step II 28
   (S) 22 Restructuring                                                       28
   (S) 23 Lock-up                                                             28
   (S) 24 Restraint of competition                                            28
 VII. General provisions                                                      30
   (S) 25 Taxes, costs                                                        30
   (S) 26 Statements and declarations                                         30
   (S) 27 Changes to the agreement                                            31
<PAGE>

   (S) 28 Assignments                                                         31
   (S) 29 Interpretation of the agreement                                     31
   (S) 30 Applicable law                                                      32
   (S) 31 Arbitration                                                         32

                                    Recitals

1.  BROKAT is a stock corporation registered under record HRB 19292 in the
    commercial register for companies kept at the Local Court of Stuttgart. The
    share capital of BROKAT is DM 44,747,955.00 (forty-four million seven
    hundred forty-seven thousand nine hundred fifty-five German marks), and is
    divided into 8,949,591 no par shares.

    The managing board of BROKAT is authorized under (S) 4 paragraph 2 of the
    company's articles of incorporation to increase the company's share capital
    with the approval of the Supervisory Board during the period up to June 30,
    2003, by issuing new shares against cash contributions or non-cash
    contributions once or several times, but not by more than DM 11,476,975.00
    in total ("authorized capital I"). The managing board shall decide regarding
    a preclusion of subscription rights with the approval of the Supervisory
    Board.

    Since September 16, 1998, BROKAT stock has been approved for the organized
    market with the start of trading at the New Market of the Frankfurt
    securities exchange. Listing on the New Market began on September 17, 1998.

    BROKAT develops and markets software and hardware solutions, particularly
    for secure data transmission in heterogeneous internal and inter-company
    data networks. The company's business has developed positively in recent
    years, and achieved market leadership in Germany in the market segment it is
    active in. BROKAT desires to expand the competitive position it has achieved
    domestically and abroad.

2.  Fernbach Financial Software S.A. (hereinafter referred to as ,,FFS") is
    registered under B 70830 in the commercial and corporate register of the
    District Court of Luxembourg. The share capital of FFS is 288,500.00 euros,
    divided into 57,700 shares with a par value of 5 euros each. The shares are
    registered shares. According to article 5 of the articles of incorporation,
    the administrative board is authorized to increase the corporation's capital
    to bring it from 288,500.00 euros to 1 million euros by issuing 142,300
    shares with a par value of 5 euros each, to enjoy the same rights as
    existing shares. This authorization must be renewed every five years.
<PAGE>

    2.1  YAC and Gunther Fernbach hold the 57,700 shares of FFS as follows:

         (1) YAC 57,697 shares
         (2) Gunther Fernbach 3 shares

    2.2  FFS is the holding company of the following companies with the
         following shareholding interests:

         (1) Fernbach Software S.A. (hereinafter referred to as "FS"): 5998
             shares @ LUF 1000 each of 6000 shares (one each of the other two
             shares is held by Gunther Fernbach and Anja Fernbach)

         (2) Fernbach Software AG (Germany) (hereinafter referred to as "FSD"):
             19,999 shares @ DM 5.00 of 20,000 shares (the remaining share is
             held by Gunther Fernbach)

         (3) Fernbach-Software AG (Switzerland) (hereinafter referred to as
             "FSC"): all 1000 shares @ SFR 100.00

             (Companies [1] to [3] and FFS are referred to hereinafter
             collectively as "the Fernbach companies")

         (4) Fernbach Software Ireland Ltd., which no longer exists as an
             operating company.

             The Fernbach companies likewise develop and market software and
             hardware solutions for administering transactions, especially in
             the field of banking software.

3.  BROKAT and the Fernbach companies see considerable synergistic effects in
    cooperation, including and particularly from a geographic point of view. The
    sellers and BROKAT have further agreed that BROKAT shall acquire a
    shareholding interest in FFS as the holding company for the Fernbach
    companies by way of stock acquisition in a first step (step I) to solidify
    the partnership, to demonstrate cooperation on the market, and to promote
    and finance further growth of the Fernbach companies, and BROKAT shall be
    given an option, irrevocable for the sellers, to purchase all shares of FFS
    as well as the shares of the Fernbach companies, to the extent they are not
    held by FFS.
<PAGE>

In consideration of the foregoing, the parties hereby agree as follows:

                          I. Capital increase (step I)

                                     (S) 1
                         Capital increase, subscription

1.1  The sellers hereby undertake to resolve as quickly as possible after
     conclusion of the present agreement to increase, by 96,700 euros, from
     288,500 euros to 385,200 euros, the share capital of FFS in exchange for a
     cash contribution, issuing 19,340 shares with a par value of 5 euros each,
     in accordance with the document enclosed as annex E, to preclude
     shareholder subscription rights, and to permit only BROKAT to subscribe and
     purchase the new shares (hereinafter referred to as "step I shares").

1.2  BROKAT shall be obligated to purchase the step I shares immediately after
     confirmation of the credit extension by NordLB/HypoVereinsbank, and to
     transfer the price named in (S) 2 to account (11424957491) of FFS at Banque
     Internationale a Luxembourg prior to the capital increase, so that the
     capital increase can take place on schedule.

     The sellers hereby undertake as joint and several debtors to transfer 25.1
     percent of all shares of FFS to BROKAT for security, in case the capital
     increase has not been effectively completed after no more than one week
     after payment of the price named in (S) 2. The shares must be transferred
     back to the sellers immediately after the capital increase becomes
     effective and BROKAT has purchased the step I shares.

                                     (S) 2
                            Contribution, surcharge

2.1  BROKAT purchases the step I shares in exchange for payment to FFS

     (1) of a contribution of 5 euros per share, i.e., a total of 96,700 euros
         and

     (2) of a surcharge of 100.75 euros per share, i.e., a total of 1,948,505
         euros.

2.2  The contribution and surcharge in the total amount of 2,045,205 euros
     (hereinafter referred to as "issue amount") shall be due and payable to FFS
     in accordance with (S) 1.1.2 so that the resolution regarding the capital
     increase according to (S) 1 (the day the resolution is adopted, hereinafter
     referred to as "effective date") may then be adopted without delay.
<PAGE>

2.3  The sellers shall be obligated to make sure that the surcharge is used with
     senior priority to reduce payable loan repayment claims of NordLB
     Luxembourg S.A. and HypoVereinsbank Luxembourg S.A. in accordance with
     annex C 13 (6), and with junior priority to increase the liquidity of the
     Fernbach companies.

                                     (S) 3
                  Change in the FFS articles of incorporation

3.1  The sellers warrant and represent:

     After the step I shares are purchased and subscribed by BROKAT, the
     Fernbach companies shall hold a shareholders' meeting at which the articles
     of incorporation shall be changed to the effect that a majority of 75
     percent of the share capital of FFS shall be necessary at the Fernbach
     companies for basic transactions, i.e.:

     (1) Changes in the articles of incorporation

     (2) Change in the purpose and subject matter of the business

     (3) Capital increases

     (4) Appointment or dismissal of members of the administrative board and
         setting the number of members of the administrative board

     (5) Appointing the financial auditor

     (6) Concluding, changing, or terminating employment agreements with members
         of the administrative board.

3.2 The sellers warrant and represent:

    BROKAT shall be entitled to appoint a member of the administrative board of
    FFS. The sellers shall cooperate at all times with all their votes in
    appointing or dismissing that member of the administrative board, on demand
    and according to the instructions of BROKAT. YAC and Gunther Fernbach shall
    appoint Mr. Michael Schumacher as member of the administrative board of FFS,
    with effect as of the effective date, as the first member of the
    administrative board appointed in accordance with this paragraph.
<PAGE>

    Furthermore, the sellers shall appoint Arthur Andersen as financial auditor
    of the Fernbach companies.

3.3 The sellers warrant and represent:

    The articles of incorporation of the Fernbach companies shall be changed,
    with effect as of the date this agreement is signed, to the effect that
    unanimous resolutions of the administrative board of FFS shall be necessary
    for transactions by the Fernbach companies relating to matters outside
    normal business operations, i.e.:

    (1) any form of capital increase or other issue of new shares, even within
        the bounds of authorized capital

    (2) acquisition, establishment, encumbrance, or sale of an enterprise or of
        shareholding interests, including company agreements and joint contracts

    (3) adding new lines of business and abandoning old areas of activity or
        discontinuing business operations

    (4) establishing and dissolving branch offices and operating locations

    (5) acquisition, encumbrance, or sale of real property and equivalent rights

    (6) granting credit, negotiating bills, promising warranties, and granting
        other kinds of security

    (7) developing and commencing distribution of new software products outside
        normal business operations

    (8) acquisition, utilization, or sale of own or outside license rights or
        copyrights to software products outside normal business operations

    (9) concluding, changing, or terminating distribution or license agreements
        or other agreements regulating the utilization or exploitation of
        software outside normal business operations

    (10) appointing and dismissing managing directors, members of the managing
         board, or holders of full power of commercial representation [Prokura]
         of the subsidiaries
<PAGE>

    (11) concluding, changing, or terminating employment agreements with holders
         of full power of commercial representation [Prokura] and managers

    (12) concluding, changing, or terminating agreements with shareholders or an
         enterprise affiliated with them (affiliated enterprises are enterprises
         considered to be affiliated according to the rules set down in (S)(S)
         15 et seq. Corporation Law)

    (13) and any and all comparable matters.

3.4  Finally, the sellers warrant and represent and shall be obligated to make
     sure that

    (1) the Fernbach companies prepare quarterly and annual financial statements
        according to the US GAAP as individual financial statements and
        consolidated financial statements and

    (2) the annual financial statements (individual financial statements and
        consolidated financial statements) shall be audited.

3.5  BROKAT assures that it will render reasonable support when preparing
     financial statements according to US GAAP.

II. Granting the option to purchase all shares remaining with the sellers after
    step I

                                     (S) 4
                             Granting of the option

The sellers hereby make BROKAT the irrevocable offer (though limited according
to (S) 6) of the purchase and transfer of the following shares held by them
(hereinafter referred to as "purchase offer"):

4.1  YAC: 57,697 shares of FFS

4.2  Gunther Fernbach: 3 shares of FFS, 1 share of FS, and 1 share of FSD

4.3  Anja Fernbach: 1 share of FS
     (hereinafter collectively referred to as "step II shares")
<PAGE>

                                     (S) 5
                                    Targets

Continuing the operative business of the Fernbach companies and achieving the
targets discussed between the contracting parties and recorded in annex A have
foremost priority during the further continuation of the Fernbach companies,
according to the mutually agreed intention of the contracting parties.
Achievement of the targets set forth in annex A by the Fernbach companies shall
be evaluated and determined as of December 31, 1999, March 31, 2000, and June
30, 2000 (hereinafter referred to as "option dates") according to the following
rules:

5.1  The companies shall have financial statements prepared as of the respective
     option dates, conforming to the annual financial statements in their
     content, scope, and form (hereinafter referred to as "option financial
     statements"). Consolidated financial statements for the Fernbach companies
     must be prepared for each option date (consolidated financial statements).
     The sellers shall commission Bansbach Schubel Brosztl & Partner
     Wirtschaftsprufungsgesellschaft Steuerberatungsgesellschaft, Stuttgart, to
     preparing the option financial statements (,,Bansbach"). The sellers shall
     be obligated to submit the necessary records to Bansbach within 15 days
     after the particular option date, and to provide information. Preparation
     costs shall be paid by BROKAT.

     The option financial statements shall be prepared on the basis of and in
     conformance with US GAAP, particularly with regard to delimiting incoming
     orders and orders on hand. Actual figures and the basis of the financial
     statements per December 31, 1998, shall be taken as the basis for the
     purposes of determining the purchase price according to annex A. Any
     special influences shall be neutralized (i.e., license payments made by
     BROKAT or enterprises affiliated with BROKAT, payments of license fees
     exceeding 1.0 million euros as a one-time license by customers and partners
     that can be shown to have been arranged by BROKAT, capitalization of
     development costs, and payment of prepaid licenses). The results of the
     option financial statements that are substantial for annex A shall in each
     case be updated in such a way that the result of the particular subsequent
     option financial statements builds on the previous one. This applies to the
     option financial statements per December 31, 1999, March 31, 2000, and June
     30, 2000, which shall update the financial statements per September 30,
     1999, December 31, 1999, and March 31, 2000.The costs of liquidating or
     dissolving Fernbach Software Ireland Ltd. must be included when preparing
     the option financial statements; saved expenses that would have been
     incurred if this company's business operations were continued shall not be
     included.

5.2  The option financial statements shall be submitted to both parties no more
     than four weeks after the complete records are submitted according to
     paragraph 5.1. They shall be consid-

<PAGE>

     ered approved in a binding manner for both parties unless one of the
     parties files an objection with Bansbach within one week. If no agreement
     on approval is reached between all parties within an additional two weeks
     since the objection was received, KPMG Stuttgart shall decide as arbitrator
     on request by a party, and shall approve the option financial statements
     with binding effect for the parties. Half the arbitrator's costs shall be
     paid by BROKAT and half by the sellers.

                                     (S) 6
                        Acceptance of the purchase offer

6.1  BROKAT shall be entitled to accept the purchase offer in a written
     statement to the sellers. The acceptance statement may only be made within
     one week after receipt of option financial statements approved according to
     (S) 5 (1) or (2) (hereinafter referred to as "exercise periods"), with
     effect as of the option date underlying the particular option financial
     statements (hereinafter referred to as "effective date of exercise"). The
     acceptance shall not include the share of FSD held by Gunther Fernbach, to
     the extent FSD is being liquidated, merged, or dissolved at the time of
     acceptance. BROKAT may accept from the sellers the offer of purchasing the
     shares only for all shares offered.

6.2  BROKAT shall be obligated to accept from the sellers the offer of
     purchasing the shares if:

    (1) the consolidated option financial statements of the Fernbach companies
        show a positive result (after interest and depreciation but before
        taxes) as of the option date June 30, 2000, for the period from January
        1, 2000, until June 30, 2000, after neutralization of any special
        influences (i.e., license payments made by BROKAT or enterprises
        affiliated with BROKAT, payments of license fees exceeding 1.0 million
        euros as a one-time license by customers and partners that can be shown
        to have been arranged by BROKAT, capitalization of development costs,
        and payment of prepaid licenses), and

    (2) the sellers confirm in writing for BROKAT and assume the warranties and
        representations under (S)(S) 12 to 16 of this agreement, effective June
        30, 2000. The sellers shall be entitled to attach a disclosure schedule
        updated as of June 30, 2000, to the above statement insofar as the facts
        and risks disclosed therein do not affect future earnings expectations
        of the Fernbach companies, and thus the basis for calculating the
        purchase price, to a significantly negative degree.
<PAGE>

                                     (S) 7
                   Purchase price, substitution authorization

7.1  The purchase price to be paid by BROKAT on acceptance of the purchase offer
     for the step II shares is DM 4 million, plus the amount resulting according
     to annex A and annexes B1 to B3, but shall not exceed

     DM 74,295,000 in case of acceptance as of option date December 31, 1999;
     DM 71,100,000 in case of acceptance as of option date March 31, 2000;
     DM 67,905,000 in case of acceptance as of option date June 30, 2000.

     The purchase price shall be DM 13.9 million in case of acceptance as of
     option date June 30, 2000, if the targets set forth in annex A are not
     achieved on more than two option dates,
     according to the option financial statements.

7.2  BROKAT shall be authorized to discharge its duty to pay the purchase price
     in cash according to (S) 7.1 by way of performance of a fulfillment instead
     of by transferring or issuing no-par shares from BROKAT to the sellers. The
     number of shares to be transferred (hereinafter referred to as "BROKAT
     shares") shall be determined according to the purchase price as set forth
     in 7.1, divided by the market price of a no-par share of BROKAT. Here the
     market price of a no-par share of BROKAT shall be the closing price of that
     share noted in presence trading on the Frankfurt securities exchange on the
     third-to-last banking day (Frankfurt am Main) before the start of the
     exercise period.

7.3  If BROKAT does not accept the offer as of an option date even though the
     targets were achieved according to annex A, and if BROKAT accept the offer
     at a later date, then the purchase price shall be the purchase price to be
     paid by BROKAT that would be the purchase price valid under this agreement
     as of the option date when the targets according to annex A were first
     achieved, regardless of whether or not the targets were achieved at such
     later date. BROKAT shall have the substitution authorization as provided
     for in (S) 7.2 in this case, as well. Section 7.2 shall apply by analogy
     for determining the number of shares to be transferred.
<PAGE>

                                     (S) 8
                         Transfer of the step II shares

8.1 If BROKAT accepts the purchase offer and does not exercise the substitution
     authorization as provided for in (S) 7.2, the step II shares shall be due
     for transfer to BROKAT one week after receipt of the statement from BROKAT
     to the sellers regarding acceptance of the purchase offer, concurrently
     against payment to the sellers of the purchase price as provided for in (S)
     7.1.

8.2  If BROKAT accepts the purchase offer and exercises the substitution
     authorization as provided for in (S) 7.2, the step II shares shall, at the
     election of BROKAT:

     (1) become due for transfer to BROKAT, if the purchase offer is accepted,
         no more than four weeks after receipt of the statement regarding
         acceptance of the purchase offer, concurrently against transfer --
         without cost for the sellers -- of the BROKAT shares according to (S)
         7.2

         or

     (2) be immediately transferred to BROKAT by the sellers in the course of an
         increase in share capital by BROKAT -- without cost for the sellers --
         as a contribution in kind in exchange for granting the corresponding
         BROKAT shares to the sellers.

8.3  Insofar and as soon as supplemental statements for public agencies or third
     parties, such as the commercial register, and/or supplemental or altered
     agreements are required for the purpose of transferring the step II shares
     and/or the BROKAT shares according to 8.1 or 8.2, the parties shall perform
     them without delay.

                                     (S) 9
                                Purchasing right

If BROKAT does not accept the purchase offer within the last exercise period,
the sellers shall be entitled to purchase the step I shares as follows:

9.1  BROKAT hereby offers the step I shares for sale to the sellers (hereinafter
     referred to as ,,option offer"). The purchase price to be paid to BROKAT by
     the sellers in the event the above offer for purchase of the step I shares
     is accepted is
<PAGE>

     DM 8 million (eight million German marks)
                                    (hereinafter referred to as "option price").

9.2  Acceptance of the option offer by the sellers is permissible only until
     December 31, 2000. Beyond this, the sellers shall be entitled to accept the
     option offer only if BROKAT has not accepted the purchase offer for
     purchase of the step II shares within the last exercise period according to
     (S) 6.1.

9.3  Acceptance of the option offer must be stated in writing to BROKAT.

9.4  In the event of effective acceptance of the option offer according to
     paragraphs 9.2 and 9.3, the option price shall become due for payment to
     BROKAT two weeks after receipt of the acceptance statement, concurrently
     against transfer of the step I shares without cost or charges.

                                     (S) 10
                                Preemptive right

10.1 If the sellers or one from among them, on the one hand, or BROKAT, on the
     other hand, intends to sell shares of FFS, those shares shall be subject to
     the preemptive right of BROKAT in the event of sale by the sellers or by
     one from among them, or shall be subject to the preemptive right of the
     sellers in the event of sale by BROKAT. Immediately after concluding an
     agreement regarding the sale, the selling party must send a complete copy
     of that agreement to the entitled party. The entitled party may purchase
     the shares designated in the agreement by making a statement in the valid
     form to the selling party.

     The preemptive right shall expire if it is not exercised within
     six weeks after the entitled party receives the agreement regarding the
     sale.

10.2 If the preemptive right as provided for in (S) 10.1 is exercised, the
     shares subject to that right shall be transferred to the entitled party
     concurrently against payment of the purchase price demanded in the
     agreement on the sale according to the terms of payment named there.

10.3 If no use is made of the preemptive right according to (S) 10.1, or if use
     is not made on time, the selling party shall be authorized to assign the
     shares designated in the agreement on the sale to the interested purchasers
     named there and on the conditions named there within six months after the
     preemptive right expires.
<PAGE>

10.4 Both parties shall be obligated not to sell their shares to any buyer
     other than the other party before expiration of the exercise period ending
     June 30, 2000.

                          III. Employee participation

                                     (S) 11
                             Employee participation

11.1 In preparation for concluding this agreement, the sellers have promised the
     employees of the Fernbach companies an opportunity to participate in the
     share capital of FFS in order to give them a participating interest in the
     FFS enterprise. The sellers shall therefore offer and transfer BROKAT
     shares from its own holdings to those employees as provided for the
     following provisions:

     (1) the sellers shall keep 20 percent of BROKAT shares (hereinafter
         referred to as "employee shares") for the purpose of acquisition by
         employees of the Fernbach companies;

    (2)  offer and grant option rights for purchasing the employee shares to the
         employees to be selected by Gunther Fernbach who have an employment
         relationship with the Fernbach companies at the time this agreement is
         concluded, with corresponding application of the option conditions in
         effect for the employees of BROKAT and of the accounting requirements
         of BROKAT existing in the interest of the Group;

    (3)  if and insofar as the employees make use of these option rights on
         time, transfer the employee shares to the holders of those option
         rights concurrently against payment of a sales price of 32.00 euros per
         employee share;

    4)   if and insofar as the employees do not make use of their option rights
         on time and/or the employee shares are not subject to any option rights
         and/or the conditions on which the option rights may be exercised do
         not occur, as well as in all other cases in which the employees do not
         acquire the employee shares, utilize those shares for its own account
         but following the instructions of BROKAT;

    (5)  refrain from exercising and asserting any and all administrative rights
         associated with the employee shares during the period in which the
         sellers hold them, particularly voting rights and purchasing rights, or
         transfer such rights to third parties on the instructions of BROKAT.
<PAGE>

11.2  Sellers shall pay any and all costs and taxes arising in implementation of
      paragraph 11.1, including any taxes or social-welfare charges incurred or
      payable by the Fernbach companies or BROKAT (hereinafter referred to
      collectively as "costs"). The costs may not exceed the share proceeds. The
      share proceeds correspond to the total of sales prices received by the
      sellers for the employee shares according to paragraph 11.1 (3) and the
      utilization prices received according to paragraph 11.1 (4) (hereinafter
      referred to as "share proceeds").

11.3  The sellers' obligation to offer and transfer the employee shares to the
      employees as provided for in paragraph 11.1 cannot be asserted against the
      sellers as long and insofar as the costs exceed the share proceeds.
      Furthermore the sellers do not need to submit the costs.

      If the sellers' obligation to offer and transfer the employee shares to
      the employees as provided for in paragraph 11.1 cannot be asserted against
      the sellers according to the provisions of this paragraph, the sellers
      shall be entitled to demand assumption of the deficit amount and provision
      of security (hereinafter referred to jointly as "cost security") in a
      written statement to BROKAT. The cost security must be provided to the
      sellers within three months after the statement is received by BROKAT; in
      any case, a written representation from BROKAT that it will assume the
      deficit amount on first request shall be sufficient as cost security.
      Here, too, submission of the costs by the sellers is not required.

      BROKAT shall not be obligated to assume the deficit amount; however, if
      the cost security is not evidenced within the above period, the
      obligations of the sellers under paragraph 11.1 (1) to (3), (5), and (6)
      [sic] shall expire.

11.4  To secure compliance with the obligations assumed in accordance with
      paragraphs 11.1 to 11.3 above, the sellers shall transfer the employee
      shares to

                            BROKAT Beteiligungs GmbH

      as trustee immediately after they are purchased, and irrevocably instruct
      this trustee to hold and utilize the employee shares according to
      paragraphs 11.1 to 11.3, and to fulfill the obligations assumed towards
      the employees and BROKAT for the account of the sellers.

11.5  The sellers shall be entitled to transfer the obligations under the
      present (S) 11 to a third party with the approval of BROKAT.
<PAGE>

                       IV. Warranties and representations

                                     (S) 12
                                    General

12.1  The following warranties and representations by the sellers ((S)(S) 12 to
      16) relate to the date this agreement is signed and to the effective date.
      The warranties and representations of the sellers do not cover
      circumstances, facts, or events whose occurrence or nonoccurrence are due
      to instructions, actions, measures, or omissions that were made,
      performed, or caused by BROKAT or enterprises affiliated with it,
      particularly liquidation or any other dissolution of FSD and FSC.

12.2  To the extent the sellers make exceptions to the warranties and
      representations, they are recorded in the disclosure schedule underlying
      this agreement (annex C). However, information in the disclosure schedule
      is fundamentally not suitable for precluding liability from violation of
      one of the warranties or representations given here, unless the disclosure
      schedule describes the exception with reasonable accuracy. The disclosure
      schedule is arranged in sections corresponding to the sequence of sections
      in this agreement. To the extent information is provided for a specific
      section, it does not apply to other sections, unless a corresponding
      explicit reference is made in the disclosure schedule.

12.3  If there are changes to the disclosure schedule attached to this agreement
      as annex C with effect as of the date this agreement is signed, the
      sellers have the opportunity to provide corresponding information in the
      disclosure schedule and provide it to BROKAT as an additional annex (annex
      C 1, C 2, etc.); delivery after this agreement is signed does not
      interfere with liability from violation of a guarantee made here.

12.4  To the extent the sellers have provided or provide representations "to the
      best of the sellers' knowledge", the sellers shall have no liability for
      noncompliance only if the sellers have performed, to a reasonable extent,
      investigations of the facts and circumstances on which the warranties or
      representations are based, and only if neither the sellers nor any major
      adviser nor any executive of the Fernbach companies have positive
      knowledge of a fact, an event, or a circumstance making the guarantee or
      representation incorrect.
<PAGE>

                                     (S) 13
      Warranties with regard to the corporate relationships of Fernbach Company
      and the sellers' freedom of disposal

The sellers warrant:

13.1  The Fernbach companies are properly established and legally existing
      companies whose share capital is fully paid and no repayments of share
      capital have been performed or obligations to that effect have not been
      undertaken; there is no obligation to make further contributions,
      regardless of the cause in law, including due to insufficient or hidden
      contributions in kind;

13.2  None of the Fernbach companies is insolvent as of payment targets and the
      like, taking into account the information provided in annex C 13.2;

13.3  The articles of incorporation of the Fernbach companies are valid in the
      version delivered to BROKAT in draft form on August 6, 1999, for FS, FSD,
      FSC, and FFS, and shall remain unchanged until the effective date, with
      the exception of necessary changes on the basis of the acquisition by
      BROKAT of the Fernbach companies;

13.4  The commercial-register abstracts submitted for the Fernbach companies
      accurately reflect the status of the Fernbach companies;

13.5  No other major resolutions have been adopted by the shareholders, the
      supervisory boards, the administrative board, or the managing board than
      those disclosed to BROKAT;

13.6  The step I and step II shares (hereinafter referred to as "the shares")
      are the unencumbered property of the sellers, are not subject to any
      disposal limitations, and there are no third-party rights to them,
      particularly

      --  none of the shares has been attached, pledged, or assigned by way of
          security or for any other reason,

      --  there are no third-party option or other rights for purchase or
          encumbrance of the shares,

      --  none of the shares is the object of a trust relationship,
<PAGE>

      --  none of the shares and no right from any of the shares is the object
          of third-party usufructuary rights, subordinate participating
          interests, silent partnerships, or other corporate relationships;

13.7  Subject to annex [...], there are no participating interests in any of the
      Fernbach companies than those of the sellers, in particular there are no
      silent partnerships, interests in the purchase of shares or participating
      interests or other rights, such as loans with profit participation that
      could establish an interest in the earnings or assets of the Fernbach
      companies or a codetermination right for decisions by the shareholders.

                                     (S) 14
      Warranties with regard to the enterprise and asset status of the Fernbach
      companies

The sellers warrant that

(1) the annual financial statements of the Fernbach companies submitted to
    BROKAT on August 3, 1999, for the fiscal year ending December 31, 1998
    (hereinafter referred to as "annual financial statements") present a picture
    of the asset, financial, and earnings situation of the Fernbach companies
    corresponding to actual circumstances as of the particular reporting date,
    the annual financial statements and the consolidated financial statements
    were completely and correctly prepared in observance of the applicable
    statutory provisions in the particular legal systems and in application of
    the principles of proper and orderly bookkeeping and accounting generally
    recognized there, and that in particular

    --   carefully prepared inventories were used as the basis;

    --  the liabilities were stated completely and with full coverage at the
        time the balance sheet was prepared and within the bounds of
        identification possibilities, particularly with regard to pension
        accruals, with the exception of the liabilities stated in annex C 14
        (1);

    --  the stated assets have value content;

    --  updating of balance sheet sets over the last balance sheet date has
        occurred using identical, legally permissible valuation principles and
        the accounting and valuation elective rights have continuously been
        exercised in a consistent manner, subject to valuation changes on the
        basis of tax audits or such as have been pointed out to BROKAT; and
<PAGE>

    --  all legally required depreciation and valuation adjustments have been
        performed and all legally required provisions have been created.

(2) no change in the asset, financial, or earnings situation of the Fernbach
    companies not disclosed to BROKAT has occurred, to the best of the sellers'
    knowledge, since the particular reporting date for the annual financial
    statements;

(3) the assets indexed in the asset indices to the annual financial statements
    are the property of the particular Fernbach company and are in its
    possession, insofar as they have not been replaced in the context of the
    proper and orderly course of business and are not listed in annex C.14 (3).
    Subject to the limitations in annex C.14 (3), those assets and all further
    assets listed in the annual financial statements or counting among the
    balance sheet assets of the particular Fernbach company are the sole
    property of the particular Fernbach company in whose annual financial
    statements they are listed. Such sole ownership is not encumbered by any
    rights whatsoever of third parties or by restraints on disposal, with the
    exception of the usual reservations of ownership;

(4) the objects specified in annex C.14 (4) and leased or rented by the
    particular Fernbach company are in the possession of the particular Fernbach
    company and freely available for its use;

(5) except for the objects designated in annex C.14 (5), none of the Fernbach
    companies have leased or rented other objects whose monthly financial burden
    exceeds DM 15,000 net in an individual case;

(6) all concessions, approvals, and licenses, as well as other public approvals,
    including any and all building approvals and investment approvals required
    for the business of the Fernbach companies are available, and revocation
    thereof has neither been threatened nor is likely; all requirements,
    restrictions, and conditions specified in the concessions, approvals, and
    licenses that have been granted have largely been completely fulfilled
    without additional investments or other special measures being necessary;

(7) subject to annex C 14 (7), the computer systems and products of all Fernbach
    companies and all parts thereof are year-2000 compliant, and guarantee
    secure and fault-free functioning before and after January 1, 2000, without
    even partial replacement or retrofitting;
<PAGE>

(8) the industrial property rights designated in annex C.14 (8) (patents,
    utility models, copyrights, brands and trademarks, expertise), including the
    registrations made by the effective date, as well as any and all utilization
    rights therefrom:

    (a) unless otherwise stated in annex C.14 (8a), belong to the Fernbach
        companies alone and without restriction, and there are no third-party
        rights to such industrial property rights or utilization rights or with
        regard to utilization thereof;

    (b) are legally valid and in effect, to the best of the sellers' knowledge,
        and no attacks by third parties against them are present or threatened,
        nor is there any danger of cancellation or voidance of the industrial
        property rights, and no industrial property rights of third parties are
        violated by the property rights or use thereof, to the best of the
        sellers' knowledge;

    (c) are secured to the effect that all payable fees have been paid and any
        other measures that may be necessary to uphold and maintain the
        industrial property rights have been performed completely and on time;

    (d) all industrial property rights, including brands of Fernbach companies
        that are necessary for continuing the business operations of the
        Fernbach companies unchanged, are listed in annex C.14 (8b);

    (e) with the exception of the agreements named in annex C.14 (8a), there are
        no agreements relating to the business purpose of Fernbach companies
        that contain the utilization of industrial property rights, including
        brands;

(9) all real property and equivalent rights of Fernbach companies are listed in
    annex C.14 (9).

                                     (S) 15
  Warranties with regard to contractual and legal relationships and conditions

15.1  The sellers warrant that implementation and fulfillment of this agreement
      will not result in a breach of contract by any of the Fernbach companies
      or represent an opportunity permitting a contract partner to terminate a
      major agreement concluded with one of the Fernbach companies.

15.2 The sellers warrant that there are no obligations of any of the Fernbach
      companies from the following legal relationships at the time this
      agreement is concluded, with the exception of the agreements and
      obligations disclosed in annex C.15.2;
<PAGE>

      (1) employment or work agreements granting annual base compensation of
          more than DM 100,000, or providing for termination notice periods
          greater than 1 year;

      (2) obligations or commitments for old-age, disability, early-retirement,
          or survivors' benefits not stated completely and with complete
          coverage (base interest rate 6 percent) in the annual financial
          statements;

      (3) plant agreements or other collective-bargaining obligations in
          connection with employment relationships (including claims by third
          parties, particularly the social-welfare insurance carriers and the
          Labor Office), obligations arising from social plans, agreements for
          the accommodation of conflicting interests, plant practices or overall
          commitments with regard to rendering social-welfare benefits or other
          benefits to employees;

      (4) consultancy agreements of all kinds having an individual volume
          exceeding DM 100,000 per annum;

      (5) agreements with commercial representatives, authorized dealers, or
          other distribution agents;

      (6) suretyships, guarantee obligations, cumulative assumptions of debt,
          letters of support, or provisions of security of all kinds
          individually exceeding DM 15,000, as well as obligations vis-a-vis
          third parties individually exceeding DM 15,000 which have provided
          suretyships, warranties, or other security of any kind for one of the
          Fernbach companies;

      (7) obligations to grant and/or arising from the use of credit of any kind
          with a volume exceeding DM 15,000 per annum;

      (8) rental or lease agreements not ending on or before July 31, 2000,
          and/or whose monthly financial burden or monthly earnings exceeds DM
          15,000 in an individual case;

      (9) agreements on the purchase or sale of real property or rights to real
          property that have not been fulfilled or have not been completely
          fulfilled;
<PAGE>

     (10) agreements regarding investments (purchase of fixed assets)
          establishing an obligation for one of the Fernbach companies exceeding
          DM 30,000 in an individual case;

     (11) competition-restricting arrangements of any kind, particularly
          agreements precluding or limiting the right of one of the Fernbach
          companies to do business in certain fields or areas or to use
          "Fernbach" in its name;

     (12) agreements regarding industrial property rights or expertise or other
          intangible rights or license agreements covering industrial property
          rights or expertise or other intangible rights, regardless of whether
          one of the Fernbach companies is the seller, buyer, licensor, or
          licensee;

     (13) agreements with suppliers and/or customers that exceed the context of
          ordinary business operations and that obligate one of the Fernbach
          companies beyond July 31, 2000, or with regard to which one of the
          Fernbach companies is more than four weeks in arrears with
          performance, and/or compensation for delay exceeding DM 50,000 must be
          paid in an individual case;

     (14) agreements or other obligations towards the sellers or towards
          enterprises in which the sellers hold a participating interest
          directly or indirectly;

     (15) obligations towards retired shareholders and/or their heirs;

     (16) affiliation agreements within the meaning of (S)(S) 291 et seq.
          Corporation Law, and cooperation agreements of any kind;

     (17) contract and agreements with regard to participation by one of the
          Fernbach companies in joint ventures or consortia;

     (18) agreements that have not been fulfilled regarding the purchase or sale
          of enterprises, participating interests in enterprises, operation
          locations, or operating units;

     (19) public-law agreements that have not been fulfilled.

15.3 Unless otherwise disclosed in annex C.15.3, the sellers warrant that

     (1) all fixed and current assets and all enterprise risks of all Fernbach
         companies that are usually insured or which one of the Fernbach
         companies is obligated to insure (to-
<PAGE>

         wards landlords or lessors, for instance) are insured as customary in
         the industry or in accordance with the particular obligations towards
         third parties;

     (2) no product liability, warranty, or damage compensation claims have been
         asserted against any of the Fernbach companies with a risk exceeding DM
         50,000 in an individual case, and no such claims are threatening, to
         the best of the sellers' knowledge;

     (3) none of the Fernbach companies is involved in any legal dispute,
         arbitration proceedings, administrative proceedings, or any other
         public-agency proceedings with a risk exceeding DM 10,000 in an
         individual case;

    (4)  none of the business operations of any of the Fernbach companies
         violate regulations, guidelines, or orders by public agencies under
         trade laws, foreign-trade laws, public construction laws, laws
         concerning the interests between neighbors, public or private
         securities-issuing rights, or other environmental laws, antitrust laws,
         the law against unfair competition, criminal law, or the corresponding
         foreign legal regulations;

    (5)  no court or public-agency proceedings are pending or threatening due to
         major violations of public-law regulations or orders or due to
         suspicion of criminal acts or administrative offenses.

                                     (S) 16
                    Tax and social-welfare insurance release

16.1  Each of the Fernbach companies has submitted or shall submit all tax
      returns, statements of public charges etc. on time that are required by
      the effective date, and shall pay by the due date taxes and public charges
      due by the effective date -- with the exception of those disclosed in
      annex C 16.1.

16.2  Receivables relating to taxes, levies, customs duties, and ancillary tax
      charges such as interest, penalties for the period up to the particular
      balance sheet date that are not entered as liabilities in the annual
      financial statements per December 31, 1998, shall be paid by the sellers
      and must be reimbursed to the affected Fernbach company. The compensation
      shall be gross for net, taking into account the taxes payable on it.

      Back tax payments resulting from changes in valuation shall remain
      excepted from the above warranted responsibility of the sellers, to the
      extent they are canceled out in subsequent years or result in lower taxes
      or the resulting profit remains with one of the Fernbach companies.
<PAGE>

      Changes in the tax capital accounts maintained by one of the
      Fernbach companies up to the effective date on the basis of a tax audit
      shall not result in withdrawal rights for the sellers nor any subsequent
      adjustment in the purchase price.

16.3  The sellers shall pay taxes on the income and earnings they incur on the
      basis of this agreement being concluded, and any stock transfer
      transaction taxes incurred in Luxembourg.

16.4  BROKAT shall give the sellers the opportunity to be involved in all
      meetings and any legal remedies.

                                     (S) 17
                            Enterprise continuation

17.2  [sic] The sellers warrant that the business of the Fernbach companies
      shall be continued exclusively within the bounds of ordinary business
      operations in conformance with cautious business practices and with the
      diligence of a prudent businessman during the period between the date on
      which this agreement is signed and the effective date, with the goal of
      maintaining real-asset values and earning power, to the extent this is
      reconcilable. In particular, but without restriction to these measures,
      the sellers shall not perform the following measures nor cause them to be
      performed at or for any of the Fernbach companies:

      --  capital increase or other issuance of new shares

      --  issuing bonds

      --  concluding agreements or entering into other obligations that either
          establishes an obligation of more than DM 25,000 and [sic] lies
          outside normal business activities

      --  making an investment that is either greater than DM 25,000 and [sic]
          lies outside normal business activities

      --  delaying or postponing payments of obligations in a manner that is
          outside normal business activities, unless the delay or postponement
          is announced to BROKAT in advance

      --  issuing license or sub-licenses to third parties (except to BROKAT and
          enterprises affiliated with BROKAT) with regard to rights and
          industrial property rights, outside normal business activities
<PAGE>

      --  changes in the company agreements of the Fernbach companies

      --  concluding loan agreements with the sellers, members of their managing
          boards, shareholders, employees, and consultants; disbursement of
          profits reducing capital, resulting in favor of such disbursement,
          payment of funds to the sellers or associated persons, except for the
          administrative-board compensation disclosed to BROKAT

      --  expansion of the administrative board or managing board of one of the
          Fernbach companies.

                                     (S) 18
          Legal consequences of violating a warranty or representation

18.1  The following shall apply if one of the representations or warranties made
      in this agreement is inaccurate:

      (1) If the inaccuracy of warranties or representations becomes evident,
          BROKAT shall be entitled to rescind the entire agreement

          --  if the shares to be transferred by the sellers are subject to sale
              restrictions or there are third-party rights to the shares that
              cannot be corrected even within a reasonable additional period of
              time.

          --  in case of fraudulent misrepresentation.

          --  in case of a change to the company agreement of one of the
              Fernbach companies made without approval from BROKAT.

              In these cases, BROKAT shall be entitled only within three months
              after learning of the reason for rescission, but no later than
              October 31, 2000.

              Section 352 of the German Civil Code shall not be applicable.

    (2) If the inaccuracy of warranties or representations becomes evident but
        there is no right of rescission within the meaning of paragraph 1, the
        sellers shall have the right to remedy the violation, insofar as the
        violation does not demand an immediate remedy. If the sellers do not
        remedy the violation within a reasonable period of time not to exceed
        four weeks, the sellers shall place BROKAT or the Fernbach companies,
        ac-
<PAGE>

        cording to the judgment of BROKAT, in the same financial situation
        BROKAT or the Fernbach companies would be in if the warranty or
        representation made in this agreement had been accurate or had not been
        violated (damages). All other rights, claims for remedy, or claims
        against the sellers are precluded.

    (3) BROKAT can demand damage compensation only in such case and only to such
        extent as the damage exceeds DM 100,000 in total. The claim of damage
        compensation by BROKAT shall be limited to the damage amount, not to
        exceed DM 7 million for all damage occurrences, however.

    (4) To the extent a third party raises a claim against BROKAT or the
        Fernbach companies, BROKAT shall give the sellers the opportunity to
        proceed against such claim at their own expense. BROKAT and the Fernbach
        companies shall permit the sellers to participate in all talks and
        correspondence with the third party at their own expense. On request by
        the sellers, BROKAT and the Fernbach companies shall conduct litigation
        against the third party or have the affected company conduct litigation
        at the sellers' expense and in accordance with their instructions,
        subject to the proviso that the sellers provide BROKAT or the Fernbach
        companies with security in the amount of the expected costs or
        expenditures that could arise from the litigation.

18.2  The sellers shall be liable to BROKAT as joint and several debtors for
      violations of the warranties and representations.

                                     (S) 19
                               Limitation period

19.1  Claims by BROKAT due to violation of obligations, warranties, or
      representations by the sellers in accordance with (S)(S) 13 to 18 above
      shall be subject to a limitation period of two years, starting on the
      effective date, subject to the provisions of (S) 18.1.

19.2  Claims according to (S) 16 shall become time-barred with regard to the
      taxes or levies concerned six months after receipt of a valid assessment
      not subject to a reservation of subsequent examination that contains the
      determination of the tax or levy concerned, but no later than the time of
      expiration for the particular determination period for the tax or levy
      covered by (S) 16.

                  V. Measures before or after the signing date

<PAGE>

                                     (S) 20
Changes to the articles of incorporation of FFS, appointment of a new member to
   the administrative board, sale of shares in Fernbach Software Ireland Ltd.

20.1  As soon as possible after this agreement is signed, the shareholders of
      FFS shall change the articles of incorporation of that company to the
      effect that fundamental resolutions named in (S) 3 shall require the
      approval of a 75-percent majority of share capital. The sample of such a
      resolution is attached to this agreement as annex E.

20.2  As soon as possible after this agreement is signed, the shareholders of
      FFS shall change the articles of incorporation of that company to the
      effect that the administrative board can consist of up to 4 members and
      that decisions of the administrative board lying outside usual business
      operations shall require a unanimous vote. The sample of such a resolution
      is attached to this agreement as annex E.

20.3  As soon as possible after this agreement is signed, the shareholders of
      FFS shall adopt a resolution that Mr. Michael Schumacher shall become a
      member of the FFS administrative board. The sample of such a signed
      resolution and of such an appointment is attached to this agreement as
      annex E.

20.4  Before this agreement is signed, FFS shall, at the request of the sellers,
      have transferred to one of the sellers or another enterprise not belonging
      to the Fernbach companies the shares it holds in Fernbach Software Ireland
      Ltd. and all rights and responsibilities associated therewith, including
      but not limited to security, letters of support, warranties, provisions,
      loss assumption duties, with agreement of at least a three-year
      prohibition against entering into competition with BROKAT or the Fernbach
      companies.

                                     (S) 21
                  Employment relationship of Gunther Fernbach

Before this agreement is signed, Mr. Gunther Fernbach shall sign an agreement
with FFS and FS regarding his activities as member of the administrative board
and administrateur delegue, a draft of which is attached to this agreement as
annex F.
<PAGE>

  VI. Rights and duties of the parties for the period after the end of step II

                                     (S) 22
                                 Restructuring

By exercising voting rights or other instruction authority, the sellers shall
cause companies they control directly or indirectly to perform or cause to be
performed the measures to restructure business operations and the corporate
structure, yet to be arranged in detail between the parties. Measures that
result in an effect on purchase price determination according to (S) 7.1 that is
unfavorable for the sellers and that were not arranged with BROKAT before this
agreement was signed shall not be made nor implemented. If necessary, this also
includes liquidation, merger, or other dissolution of subsidiaries, and the
transfer of business activities to a company specified by BROKAT.

                                     (S) 23
                                    Lock-up

The sellers shall be obligated for a period of two years, starting upon
acquisition of the BROKAT shares as the purchase price for transfer of the FFS
shares, not to pledge the BROKAT shares, sell them to third parties, nor offer
them for acquisition by third parties without prior approval from BROKAT. BROKAT
shall not oppose sale of up to 50 percent of the BROKAT shares even during the
course of this time period, after deduction of the employee shares left with the
sellers, a maximum of shares with an equivalent value of DM 15 million, in the
course of a private placement. Moreover, the sellers shall be considered to a
reasonable degree in this context in the event of a secondary placement.

                                     (S) 24
                            Competition prohibition

24.1  The sellers shall be obligated, each for himself, not to practice,
      operate, or promote any business activity, neither directly nor
      indirectly, that is in direct competition with the business activities
      conducted by the Fernbach companies, for a period of two years starting on
      the effective date. In particular, the sellers shall not establish,
      acquire, participate in, advise, or otherwise promote any enterprises that
      are in competition in the above sense. The prohibition competition shall
      apply for the activity territory for the business activities conducted by
      the Fernbach companies on the effective date.

24.2 In the event the purchase offer is accepted by BROKAT, the sellers shall be
      obligated, each for himself, not to practice, operate, or promote any
      business activity, neither directly or
<PAGE>

      indirectly, that is in direct competition with the business activities
      conducted by the Fernbach companies on the effective takeover date, for a
      period of two years starting on the effective exercise date. In
      particular, the sellers shall not establish, acquire, participate in,
      advise, nor otherwise promote any enterprises that are in competition in
      the above sense. The prohibition competition shall apply for the activity
      territory for the business activities conducted by the Fernbach companies
      on the effective exercise date.

24.3  Activity for or promotion of a business activity of an enterprise
      controlled by BROKAT with a majority of votes or capital is not
      competition.

24.4  If a judgment by a court determines that the provision of this competition
      prohibition is invalid or unenforceable in toto or in parts, the parties
      are in agreement that the particular court shall have the authority to
      change or eliminate the scope, term, or other provisions, and to replace
      such invalid or unenforceable provisions with provisions that are valid
      and enforceable and that most closely approximate the objective pursued by
      the agreement from the aspect of its economic purpose.

24.5  For Gunther Fernbach, the above competition prohibition shall apply with
      the proviso that, after his agreement mentioned in (S) 21 ends on the
      basis of circumstances for which Gunther Fernbach is not responsible, he
      shall only be subject to the competition prohibition set forth in such an
      agreement.

24.6  For a period of five years after the date on which this agreement is
      signed, the sellers and BROKAT (as long as BROKAT has not exercised the
      option for step II shares and has not acquired the majority of FFS shares)
      shall not recruit any employees of the Fernbach companies nor cause third
      parties to recruit employees of the Fernbach companies.

24.7  Even after acquisition of all step II shares by BROKAT, the sellers shall
    treat as confidential the confidential information that becomes known to
    them from their activities or their shareholder status with the particular
    Fernbach companies and in connection with their activities for those
    companies or their shareholder status, and not disclose it to third parties
    unless such disclosure is required by law. To the extent third parties or
    public agencies request confidential information from the sellers, the
    sellers shall notify BROKAT at once so that BROKAT can take appropriate
    actions or waive compliance with the present (S) 24.7.

24.8  Until acquisition of the step II shares by BROKAT, BROKAT shall
<PAGE>

    (1) treat as confidential and not disclose to third parties any and all
        confidential information connected with the Fernbach companies, unless
        such disclosure is mandatory and required by law or securities exchange
        guidelines and

    (2) to the extent third parties or public agencies request confidential
        information from BROKAT, BROKAT shall notify the sellers at once so that
        the sellers can take appropriate actions or waive compliance with the
        present (S) 24.8.

                            VII. General regulations

                                     (S) 25
                                  Taxes, costs

Each party shall pay the costs incurred in connection with concluding and
implementing this agreement, and the particular company shall pay any taxes
incurred on capital.

                                     (S) 26
                          Statements and declarations

The following parties are hereby authorized to receive any and all notices or
statements of will to be made to the sellers or BROKAT in accordance with the
present agreement or in connection therewith:

For the sellers:

Mr. Gunther Fernbach
Y.A.C. Finance Holding S.A.
9, rue Dicks Bereldange/Luxembourg

Copy to:

Marc Feider, Attorney at Law
Beghin Feider Loeff Claeys Verbeke
58, rue Charles Martel
L-2134 Luxembourg
Telephone: +352-444455-1
Fax: +352-444455-444
<PAGE>

For BROKAT:

BROKAT Infosystems AG
Attn.: Mr. Andreas Kinsky
Industriestrasse 3
70565 Stuttgart
Telephone: +49-711-788-44-0
Fax: +49-711-788-44-777

Copy to:

Haver & Mailaender, Attorneys at Law
Lenzhalde 83-85, 70192 Stuttgart
Telephone: +49-711-227440
Fax: +49-711-2991935

                                     (S) 27
                            Changes to the agreement

To be valid, changes and supplements to this agreement, including the present
clause itself, must be made in writing or in notarized form, if this is
required.

                                     (S) 28
                                  Assignments

Rights and claims under this agreement may not be assigned by the sellers nor by
BROKAT, unless the assignment is made in favor of an enterprise affiliated with
BROKAT within the meaning of (S)(S) 15 et seq. Corporation Law. In the event of
assignment, BROKAT shall remain obligated to fulfill the obligations under this
agreement.

                                     (S) 29
                        Interpretation of the agreement

Should provisions of this agreement be legally invalid or unenforceable in toto
or in part, the validity of the remaining provisions of this agreement shall
remain unaffected thereby. In lieu of the invalid or unenforceable provisions, a
reasonable arrangement shall apply that most closely approximates the economic
purpose which the parties wished to achieve.
<PAGE>

                                     (S) 30
                                 Applicable law

This agreement is governed by and shall be construed in accordance with the laws
of the Federal Republic of Germany, unless Luxembourg law is applicable on the
basis of mandatory provisions of Luxembourg law or the private international law
of the Federal Republic of Germany.

                                     (S) 31
                                  Arbitration

Any and all disputes arising from or in connection with this agreement shall be
regulated by an arbitration procedure, to the exclusion of courts of general
jurisdiction. The arbitration procedure is regulated in an arbitration agreement
attached to this agreement as annex D.

Stuttgart, date:

For BROKAT Infosystems AG

Stuttgart, November 2, 1999

For the sellers

Gunther Fernbach
<PAGE>

Annex A

<TABLE>
<S>                           <C>                <C>          <C>            <C>           <C>
1. Valuation dates:                              9/30/99      12/31/99       3/31/00       6/30/00
Weighting of reporting dates  4.30               1.15          1.10          1.05          1.00
                              Base price in      Weighted base prices in thousands of DM
                              thousands of DM
2. Base prices                22,000             25,300        24,200        23,100        22,000

3. Targets                                       Plan results in thousands of DM (cumulative from 1/1/99 to
                                                 valuation date)
Sales                                                       14,500        20,000        26,500        33,000
Result                                                      -4,418        -5,891        -6,208        -6,525
Orders on hand                                               8,000         8,000         8,000         8,000

4. Actual results (example)                      Imputed actual results in thousands of DM (cumulative from
                                                 1/1 to valuation date)
Sales according to U.S. GAAP                                14,500        20,000        26,500        33,000
Result according to U.S.                                    -4,418        -5,891        -6,208        -6,525
 GAAP
Orders on hand according to                                  8,000         8,000         8,000         8,000
 U.S. GAAP

5.a. Degree of target                                       Unweighted
 achievement (actual/target)
Sales according to U.S. GAAP                                100.00%       100.00%       100.00%       100.00%
Result according to U.S.                                    100.00%       100.00%       100.00%       100.00%
 GAAP
Orders on hand according to                                 100.00%       100.00%       100.00%       100.00%
 U.S. GAAP

5.b. Weighting                Weighting of Weighted
                              valuation criteria 5.25
Sales according to U.S. GAAP               2.00             200.00%       200.00%       200.00%       200.00%
</TABLE>
<PAGE>
<TABLE>
<S>                             <C>                         <C>           <C>           <C>           <C>
Result according to U.S.                   3.00             300.00%       300.00%       300.00%       300.00%
 GAAP
Orders on hand according to                0.25              25.00%        25.00%        25.00%        25.00%
 U.S. GAAP

                              Degree of target              100.00%       100.00%       100.00%       100.00%
                              achievement

6. Purchase price             Thousands of DM               25,300        24,200        23,100        22,000
</TABLE>
<PAGE>

                                   Agreement
                   Regarding the Sale and Transfer of Shares

                                    between

                        1 a) Y.A.C. Finance Holding S.A.
                       9, rue Dicks Bereldange/Luxembourg
                                              (hereinafter referred to as "YAC")

                                      and

                             1 b) Ms. Anja Fernbach
                                    (hereinafter referred to as "Anja Fernbach")

                                      and

                           1 c) Mr. Gunther Fernbach
                                 (hereinafter referred to as "Gunther Fernbach")

(the parties 1 [a] to [c] hereinafter referred to collectively as "the sellers")

                                      and

                           2. BROKAT Infosystems AG,
                      IndustriestraBe 3, 70565 Stuttgart
                                           (hereinafter referred to as "BROKAT")

(the sellers and BROKAT hereinafter referred to collectively as "the parties")

                                    Preamble

The parties have concluded an agreement (hereinafter referred to as "the
agreement") dated November 2, 1999/December 20, 1999, for the purchase and
transfer of shares in Fernbach Financial Software S.A. (hereinafter referred to
as "FFS"), Fernbach Software S.A. (hereinafter referred to as "FS"), and
Fernbach Software AG (Germany) (hereinafter referred to as "FSD").

Section 4 of the named agreement provided that the sellers should offer the
following shares held by them for transfer to BROKAT:
<PAGE>

YAC: 57,697 shares of FFS

Gunther Fernbach: 3 shares of FFS, 1 share FS, and 1 share of FSD

Anja Fernbach: 1 share of FS

hereinafter referred to collectively as "step II shares".

This option was able to be exercised by BROKAT as of certain option dates.

1.  Exercising the option

    BROKAT states that the option granted in (S) 4 is exercised as of
    the exercise date December 31, 1999, as provided for in (S) 6.1 of the
    agreement.

2.  Purchase price

    The purchase price to be calculated in accordance with (S) 7.1 of the
    agreement, taking into account achievement of the targets in excess of
    obligations, increased earnings potential, and the high level of engagement
    by executives to achieve the targets, is

                                 DM 35,760,000
        (thirty-five million seven hundred sixty thousand German marks)

    According to (S) 7.2 of the agreement, BROKAT has the authority to discharge
    its duty to pay the purchase price in cash by way of performance of a
    fulfillment instead of by transferring or issuing no-par shares from BROKAT
    to the sellers.

    BROKAT hereby states that it is exercising this substitution authority.

    Accordingly, the step II shares are to be transferred according to (S) 8.2
    (2) by the sellers to BROKAT without delay in the course of an increase in
    the share capital of BROKAT, free of cost to the sellers, as a non-cash
    contribution of the corresponding BROKAT shares to the sellers. In
                                                                    --
    accordance therewith, BROKAT shall concurrently transfer the 182,838 BROKAT
    ---------------------------------------------------------------------------
    shares to the sellers. The transfer of the BROKAT shares to the sellers
    -----------------------------------------------------------------------
    shall be performed to the sellers no later than March 22, 2000, to a
    --------------------------------------------------------------------
    securities account still to be named.
    -------------------------------------
<PAGE>

3.  Number of shares going to the sellers

    For the purchase price of DM 35,760,000, a total of 182,838 BROKAT
    shares go toward the purchase price according to (S) 7.2 and the
    determination of the numbers of shares to be transferred regulated in that
    rule (hereinafter referred to as "BROKAT shares").

    These are distributed among the sellers as follows:

    YAC: 182,820 BROKAT shares
    Gunther Fernbach: 15 BROKAT shares
    Anja Fernbach: 3 BROKAT shares

4.  Effective transfer date

    The transfer of shares in the Fernbach companies FFS, FS, and FSD shall be
    with effect as of January 1, 2000.

5.  Employee participation

    As a supplement to (S) 11.1 of the agreement, it is hereby agreed that the
    sellers will additionally keep a total of 14,767 BROKAT shares from
                 ------------
    their own holdings of BROKAT shares for the employees of FFS and FS to
    implement a success-related employee participation program. They shall be
    offered for takeover by the employees of FFS and FS according to a separate
    agreement, insofar as the goals defined in a joint business plan prepared by
    BROKAT and FFS or FS are fulfilled. Thirty percent of these shares offered
    for takeover shall be offered for takeover upon reaching the target in the
    2000 fiscal and calendar year, the remaining 70 percent of shares upon
    reaching the target in the 2001 fiscal and calendar year. Distribution of
                                                              ---------------
    the 29,524 employee shares under (S) 11 of the agreement shall not be
    ---------------------------------------------------------------------
    affected by fulfillment or achievement of the targets under the business
    ------------------------------------------------------------------------
    plan.
    -----

    If and insofar as the goals are not achieved, the sellers shall utilize
    14,757 shares from the employee participation program according to
    instructions from BROKAT, and pay the sales proceeds to a recipient
    specified by BROKAT after deducting any applicable costs, in accordance with
    more specific instructions from BROKAT.

    The provisions of (S) 11 of the agreement shall apply by analogy for this
    quantity of
<PAGE>

    14,767 BROKAT shares, with the exception of the allotment arrangements. In
    particular, the sellers shall refrain from exercising and asserting any
    administrative rights associated with those shares during the period they
    are held by the sellers, or shall transfer such rights to third parties on
    the instructions of BROKAT.

    Furthermore, the sellers shall transfer these shares to BROKAT Beteiligungen
    GmbH (or its legal successor) as trustee immediately after acquiring them,
    and shall instruct the latter to hold and utilize the shares in accordance
    with this agreement and the participation agreement yet to be concluded, and
    to fulfill the obligations undertaken vis-a-vis the employees and BROKAT.

    The provisions of (S) 11 of the agreement for the BROKAT shares named in (S)
    11.1 (1) there shall remain unchanged.

Stuttgart/Luxembourg, February 22, 2000

For BROKAT Infosystems AG     For the sellers

Michael Janssen               Gunther Fernbach
CFO/Managing Board

Michael Schumacher
<PAGE>

                                  Translation

                                   Agreement
                   Regarding the Sale and Transfer of Shares

                                    between

                        1 a) Y.A.C. Finance Holding S.A.
                       9, rue Dicks Bereldange/Luxembourg
                                              (hereinafter referred to as "YAC")

                                      and

                             1 b) Ms. Anja Fernbach
                                    (hereinafter referred to as "Anja Fernbach")

                                      and

                           1 c) Mr. Gunther Fernbach
                                 (hereinafter referred to as "Gunther Fernbach")

(the parties 1 [a] to [c] hereinafter referred to collectively as "the sellers")

                                      and

                           2. BROKAT Infosystems AG,
                      Industriestrasse 3, 70565 Stuttgart
                                           (hereinafter referred to as "BROKAT")

(the sellers and BROKAT hereinafter referred to collectively as "the parties")

                                    Preamble

The parties have concluded an agreement (hereinafter referred to as "the
agreement") dated November 2, 1999/December 20, 1999, for the purchase and
transfer of shares in Fernbach Financial Software S.A. (hereinafter referred to
as "FFS"), Fernbach Software S.A. (hereinafter referred to as "FS"), and
Fernbach Software AG (Germany) (hereinafter referred to as "FSD").
<PAGE>

Section 4 of the named agreement provides that the sellers should offer the
following shares held by them for transfer to BROKAT:

YAC: 57,697 shares of FFS
Gunther Fernbach: 3 shares of FFS, 1 share FS, and 1 share of FSD
Anja Fernbach: 1 share of FS

This option can be exercised by BROKAT as of certain option dates.

1.  Extension of the exercise period

    The parties agree that the period for exercising the option granted in (S) 4
    shall be extended as of the exercise date December 31, 1999, until
    Wednesday, February 23, 2000, inclusive, in accordance with (S) 6.1 of the
    ----------------------------
    agreement.

2.  Authoritative share price on exercise of the option

    The closing price in presence trading at the Frankfurt securities
    exchange on February 2, 2000, in the amount of 300.00 euros is hereby
    determined as the authoritative share price on exercise of the option, in
    accordance with (S) 7.2 of the agreement. Taking into account the 1:3 stock
    split for BROKAT stock executed on July 7, 2000, a price of 100.00 euros for
    the new BROKAT stock (with a proportional amount of 1.00 euro of the share
    capital after the stock split) is authoritative for the calculation
    according to (S) 7.2 of the agreement.

3.  Continuation in effect for all further content of the agreement

    The remaining provisions of the agreement for purchase and
    transfer of shares dated November 2, 1999/December 20, 1999, shall remain
    unchanged.

Stuttgart/Luxembourg, February 11, 2000

For BROKAT Infosystems AG     For the sellers

Michael Janssen/CFO           Gunther Fernbach

Achim Dorner/VP Finance Group EMEA<PAGE>

                                                                    EXHIBIT 10.3

                                  Translation

             Agreement on Subscription and Contribution of Capital

                                 by and between

BROKAT Aktiengesellschaft, Stuttgart

- hereinafter referred to as "BROKAT"

                                      and

1.  Dr. Andreas von Aufschnaiter

2.  Jozsef Bugovics

3.  Dr. Christoph Bulfon

4.  Andreas Kinsky

5.  Philipp A. Schoeller

6.  Dr. Nikolaus von Seemann

7.  SBF Sachsische Beteiligungsfond GmbH

8.  Roman E. Kainz

9.  GCI Management GmbH

- hereinafter referred to as "ME Shareholders" -

                                    Recitals

  1. BROKAT is a stock corporation recorded in the Register of Companies of the
     Local Court of Stuttgart under no. HRB 19292. The capital stock amounts to
     DM 40,860,665 (in words: Deutschmarks forty million eight hundred and sixty
     thousand six hundred and sixty-five) and is sub-divided into 8,172,133
     shares of no par value.
<PAGE>

                                      -2-

     The shares of BROKAT have been admitted to trading on the regulated market
     since 16 September 1998 when trading commenced at the Neuer Markt of the
     Frankfurt Stock Exchange. Listing commenced at the Neuer Markt on 17
     September 1998.

     BROKAT develops and markets software and hardware solutions in particular
     for the safe transfer of data in heterogeneous inter-company data networks
     and intra-company data networks. The corporate enterprise has developed
     positively during the course of the past few years and has attained the
     position of market leader in the market segment it services in Germany.
     BROKAT is endeavoring to expand the competitive position attained both
     nationally and internationally.

  2. MeTechnology Europe GmbH (hereinafter referred to as "ME") is a company
     recorded in the Register of Companies of the Local Court of Leipzig under
     no. HRB 14868. The capital stock of ME amounts to DM 150,000 (in words:
     Deutschmarks one hundred and fifty thousand) and is sub-divided into the
     following shares:

     One share with a par value of DM 3,700
     One share with a par value of DM 3,800
     One share with a par value of DM 7,500
     One share with a par value of DM 15,000
     One share with a par value of DM 25,000
     One share with a par value of DM 12,500
     One share with a par value of DM 24,000
     One share with a par value of DM 6,000
     One share with a par value of DM 7,500
     One share with a par value of DM 7,500
     One share with a par value of DM 6,000
     One share with a par value of DM 21,000
     One share with a par value of DM 5,000
     One share with a par value of DM 5,000
     One share with a par value of DM 500
     Sum total of shares:          DM 150,000

     - hereinafter collectively referred to as "ME Shares"
<PAGE>

                                      -3-

     All shares in ME are held by ME Technology Aktiengesellschaft, Bienitz
     (hereinafter "ME AG") which is thus sole shareholder in ME.

     The capital stock of ME AG amounts to DM 1 million and is sub-divided into
     200,000 shares. The sole shareholders in ME AG are:

     (1)  Dr. Andreas von Aufschnaiter            holding  10,000  shares
     (2)  Jozsef Bugovics                         holding  30,000  shares
     (3)  Dr. Christoph Bulfon                    holding  40,000  shares
     (4)  Philipp A. Schoeller                    holding  36,000  shares
     (5)  Andreas Kinsky                          holding   6,000  shares
     (6)  Dr. Nikolaus Seemann Ritter
          von Treuenwart                          holding  50,000  shares
     (7)  SBF Sachsische
          Beteiligungsfond GmbH                   holding  10,000  shares
     (8)  Roman E. Kainz                          holding  10,000  shares
     (9)  GCI Management GmbH                     holding   8,000  shares

     The foregoing shares in ME AG are hereinafter referred to as "ME Shares"

  3. ME also develops and markets software and hardware solutions for processing
     transactions in electronic networks. The business activity of ME focuses
     principally on the banking sector. ME is currently undergoing a phase of
     intense growth and also anticipates increasing demand and a high degree of
     acceptance for its products and services.

  4. ME AG and BROKAT intend to merge in order to obtain synergy benefits. The
     capital stock of BROKAT is to be increased for this purpose and the ME
     Shares are to be taken over during the course of the capital increase
     against a non-cash contribution by BROKAT.

     The Management Board of BROKAT appointed the firm of auditors and tax
     consultants Bansbach Schubel Brosztl & Partner GmbH Wirtschaftsprufungs-
     gesellschaft
<PAGE>

                                      -4-

     Steuerberatungsgesellschaft, Stuttgart (hereinafter referred to as "BSB")
     to assess the value of the ME Shares and the number of new BROKAT Shares
     appropriate to the corporate value of BROKAT. On the basis of this
     expertise produced by BSB, BROKAT and the ME Shareholders mutually agreed
     to increase the capital stock of BROKAT by DM 3,887,290 from the amount of
     DM 40,860,665 pertaining hitherto to DM 44,747,955 by issuing 777,458
     individual share certificates to the ME Shareholders against the
     contribution of the ME Shares.

Now wherefore the parties hereto hereby enter into the following Agreement on
Subscription and Contribution of Capital.

                                     (S) 1
              Authorized Capital, Resolution on Increasing Capital

  1. Pursuant to the resolution adopted by the extraordinary shareholders'
     meeting of BROKAT on 17 August 1998 (item 4 on the agenda) the Management
     Board of the company is authorized to increase with the approval of the
     Supervisory Board the capital stock in the period prior to 30 June 2003
     through the issue of new shares in return for cash and non-cash
     contributions one or more times by a total of up to DM 16,064,265
     (Authorized Capital I). The Management Board is further authorized to
     decide on any exclusion of subscription rights of the shareholders with the
     approval of the Supervisory Board. The Authorized Capital I was recorded in
     the entry of the company in the Commercial Register on 15 September 1998.
     The foregoing authorization was first exercised in accordance with a
     resolution of the Management Board of 01 October 1998 and the stock capital
     of the company increased by exploiting the authorized capital by DM 700,000
     and increasing the capital stock from DM 40,160,665 (in words: Deutschmarks
     forty million one hundred and sixty thousand six hundred and sixty-five) to
     DM 40,860,665 (in words: Deutschmarks forty million eight hundred and sixty
     thousand six hundred and sixty-five) through the issue of 140,000 new
     bearer shares of no par value with a calculated share in the capital stock
     of DM 5.00 each. The execution of the capital
<PAGE>

                                      -5-

     increase was recorded in the Company's entry in the Commercial Register on
     27 October 1998.

  2. For the purpose of taking over the ME Shares by means of a capital increase
     against non-cash contribution in accordance with the terms of the record
     appended hereto as Schedule EV 1, the Management Board of BROKAT shall
                        -------------
     adopt the following resolution on further increasing the capital stock of
     BROKAT from the Authorized Capital I:

       (1) The capital stock of the Company in an amount of DM 40,860,665 (in
           words: Deutschmarks forty million eight hundred and sixty thousand
           six hundred and sixty-five) sub-divided into 8,172,133 shares of no
           par value shall be increased by exploiting the authorized capital by
           means of non-cash contributions of DM 3,887,290, increasing the
           capital stock to DM 44,747,955 (in words: Deutschmarks forty-four
           million seven hundred and forty-seven thousand nine hundred and
           fifty-five) by issuing 777,458 new bearer shares of no par value
           (hereinafter also referred to as "BROKAT Shares") with a calculated
           share in the capital stock of DM 5.00 each.

       (2) The new shares shall participate in profits with effect from 01
           January 1999.

       (3) The statutory subscription right of the shareholders shall be
           excluded. The new shares shall be subscribed to and taken over by the
           ME Shareholders as follows:

           (1) Dr. Andreas von Aufschnaiter [_Address]   38,874  shares

           (2) Jozsef Bugovics              [_Address]  116,618  shares

           (3) Dr. Christoph Bulfon         [_Address]  155,491  shares

           (4) Philipp A. Schoeller         [_Address]  139,943  shares

           (5) Andreas Kinsky               [_Address]   23,324  shares

           (6) Dr. Nikolaus Seemann Ritter
<PAGE>

                                      -6-

               von Treuenwart               [_Address]  194,364  shares

           (7) SBF Sachsische
               Beteiligungsfond GmbH        [_Address]   38,873  shares

           (8) Roman E. Kainz               [_Address]   38,873  shares

           (9) GCI Management GmbH          [_Address]   31,098  shares

          Total                                         777,458  shares

       (4) The non-cash contributions shall be effected by transferring to the
           company the ME Shares and thus the entire capital stock of
           MeTechnology AG, recorded in the Commercial Register of the Local
           Court of Leipzig under no. HRB 14687, as follows:

           (1) Dr. Andreas von Aufschnaiter     10,000  ME Shares

           (2) Jozsef Bugovics                  30,000  ME Shares

           (3) Dr. Christoph Bulfon             40,000  ME Shares

           (4) Philipp A. Schoeller             36,000  ME Shares

           (5) Andreas Kinsky                    6,000  ME Shares

           (6) Dr. Nikolaus Seemann Ritter
               von Treuenwart                   50,000  ME Shares

           (8) SBF Sachsische
               Beteiligungsfond GmbH            10,000  ME Shares

           (8) Roman E. Kainz                   10,000  ME Shares

           (9) GCI Management GmbH               8,000  ME Shares

          The contribution of the ME Shares by the ME Shareholders shall be
          commercially effective as from the date of transfer to the company and
          have a right to participate in profits as from 1 January 1999.
<PAGE>

                                      -7-

          Paragraphs (1) to (4) above shall hereinafter be referred to as
          "Resolution on Capital Increase"

                                     (S) 2
                 Subscription and Takeover Obligation, Warranty

       1. The ME Shareholders hereby undertake to

          (1) take over the BROKAT Shares in accordance with the terms of the
              subscription slip appended hereto as Schedule EV 2,
                                                   -------------

          (2) and to transfer the ME Shares to BROKAT for the purpose of
              performance of and final compliance with the contribution
              obligation undertaken therein by means of non-cash contribution.

       2. The ME Shareholders provide a warranty with respect to the ME Shares
          in accordance with the terms of the Warranty Agreement appended as
          Schedule EV 3 which was signed on 17 May 1999 (hereinafter referred to
          -------------
          as "Warranty Agreement"). The assertion by BROKAT of any or further
          claims other than the claims provided for in this Agreement and in the
          Contribution and Warranty Agreement irrespective of the legal ground
          therefor shall be excluded.

                                     (S) 3
                                  Contribution

     1. The ME Shareholders hereby transfer the ME Shares to BROKAT.

     2. The ME Shares shall be transferred with effect from the effective date
        hereof pursuant to (S) 5.
<PAGE>

                                      -8-

     3. The profit accruing on the ME Shares shall be due to BROKAT with effect
        from 1 January 1999.

                                     (S) 4
                                 Consideration

     1. In consideration of the ME Shareholders' contributing the ME Shares
        pursuant to (S) 2 paragraph 1, BROKAT shall grant to the ME Shareholders
        BROKAT shares free of charge in accordance with the terms of the
        Resolution on Capital Increase.

     2. The BROKAT Shares to be issued to the ME Shareholders are with profits
        with effect from 1 January 1999. BROKAT shall apply for and keep
        pending the BROKAT Shares' admission to trading on the regulated market
        when trading commences at the Neuer Markt of the Frankfurt Stock
        Exchange by 7 July 1999 at the latest.

     3. The ME Shareholders have taken note of the sales prospectus dated 7
        September 1998 published by BROKAT in September 1998. BROKAT warrants
        that the information contained in this sales prospectus is complete and
        correct in accordance with the provisions of the law on prospectus
        liability, insofar as not in conflict with overriding, mandatory
        legislation, in particular provisions of the Corporation Act on raising
        and maintaining capital. ME Shareholders are precluded from asserting
        any or further claims on account of the BROKAT Shares irrespective of
        the legal ground therefor.

                                     (S) 5
                              Condition Precedent

     This Agreement shall become effective as soon as the Management Board of
     BROKAT has adopted the legally valid Resolution on Capital Increase.
<PAGE>

                                      -9-

                                     (S) 6
                                Final Provisions

     1. Each of the parties hereto shall bear the costs arising to that party,
        in particular the costs of its advisers, itself.

     2. Alterations and modifications to this Agreement including any such
        alterations and modifications to this clause itself must be made in
        writing to be legally valid, save as where a more stringent form is
        imposed by law; in such a case this more stringent form must be complied
        with.

     3. If any provisions contained herein should be ineffective or
        unenforceable, this shall not affect the validity of the remaining
        provisions hereof. This shall also apply if it should transpire that
        this Agreement contains a gap. A reasonable ruling shall be deemed to
        replace the ineffective or unenforceable provisions or to complete the
        gap which forms the closest equivalent to the intention of the parties
        or which they would have intended in accordance with the spirit and
        purpose of this Agreement if they had considered the issue when the
        Agreement was entered into or when a provision was included at a later
        date.

     Frankfurt am Main/Munich/Stuttgart, 20/21 May 1999

     On behalf of BROKAT by virtue of a power of attorney conferred orally and
     promising to submit a written authority [handwritten]: power of attorney at
     a later time:

     [signed]
     Dr. Peter Ladwig
<PAGE>

                                      -10-

     On behalf of

     a)  Vendors nos. 1, 2, 4 to 6 and 9 by virtue of a power of attorney
         conferred and promising to submit the written authority of those
         persons represented at a later time and on his own behalf and

     b)

     c)  On behalf of SBF Sachsische Beteiligungsfond GmbH by virtue of a
         telefax copy of a power of attorney as appended hereto:

     [signed]
     Dr. Christoph Bulfon

     On behalf of Mr. Roman E. Kainz by virtue of a telefax copy of a power of
     attorney as appended hereto:

     Dr. Hermann Schlindwein

Source: [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00010-of-00352.parquet"}, [{"source": "alea-institute/alea-institute/kl3m-data-edgar-agreements/train-00010-of-00352.parquet"}]]