Document:

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                                                                   EXHIBIT 10.13

THIS WARRANT AND THE SHARES ISSUABLE HEREUNDER HAVE NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED, AND MAY NOT BE SOLD, PLEDGED, OR
OTHERWISE TRANSFERRED WITHOUT AN EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT
OR PURSUANT TO RULE 144 OR AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE
CORPORATION AND ITS COUNSEL, THAT SUCH REGISTRATION IS NOT REQUIRED.

                            WARRANT TO PURCHASE STOCK

Corporation:           HAHT Commerce, Inc.
Number of Shares:      As provided below
Class of Stock:        As provided below
Warrant Price:         As provided below
Issue Date:            October __, 2000
Expiration Date:       October __, 2005

     THIS WARRANT CERTIFIES THAT, for the agreed upon value of $1.00 and for
other good and valuable consideration, SILICON VALLEY BANK ("Holder") is
entitled to purchase the number of fully paid and nonassessable shares of the
class of securities (the "Shares") of the corporation (the "Company") at the
exercise price per Share (the "Warrant Price") all as set forth herein and as
adjusted pursuant to Article 2 of this Warrant, subject to the provisions and
upon the terms and conditions set forth in this Warrant.

ARTICLE A. SHARES, EXERCISE PRICE, CLASS OF STOCK.
           --------------------------------------

          A.1. Number of Shares. The number of Shares subject to this Warrant
               ----------------
shall be equal to the quotient obtained by dividing $200,000 by the Warrant
Price.

          A.2. Warrant Price. The Warrant Price shall be an amount equal to the
               -------------
average of the Next Round Price (as defined herein) and the Last Round Price (as
defined herein); provided, however, that that if the Next Round does not occur
by August 31, 2001, or if an Acquisition (as defined herein) occurs on or before
August 31, 2001, the Warrant Price shall be the Last Round Price.. The "Last
Round Price" means $0.929 per share, which the Company represents and warrants
is the price per share at which shares of the Company's Series E preferred stock
were previously issued (and if they were issued at more than one price, the
lowest of such prices). The "Next Round Price" means the price per share at
which the next bona fide issuance of preferred stock of the Company is made in
an offering in which not less than $5,000,000 is raised by the Company (the
"Next Round").

          A.3. Class of Stock. If the Next Round does not occur by August 31,
               --------------
2001, or if an Acquisition occurs before the earlier of the Next Round or August
31, 2001, the Class of Stock subject to this Warrant shall be the Company's
Series E preferred stock. If the Next Round occurs by August 31, 2001 and an
Acquisition does not occur before such Next Round, then the Class of Stock
subject to this Warrant shall be the series of preferred stock issued in the
Next Round.

ARTICLE 1. EXERCISE.
           --------

          1.1 Method of Exercise. Holder may exercise this Warrant by delivering
              ------------------
a duly executed Notice of Exercise in substantially the form attached as
Appendix 1 to the principal office of the Company. Unless Holder is exercising
the conversion right set forth in Section 1.2, Holder shall also deliver to the
Company a check for the aggregate Warrant Price for the Shares being purchased.

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          1.2 Conversion Right. In lieu of exercising this Warrant as specified
              ----------------
in Section 1.1, Holder may from time to time convert this Warrant, in whole or
in part, into a number of Shares determined by dividing (a) the aggregate fair
market value of the Shares or other securities otherwise issuable upon exercise
of this Warrant minus the aggregate Warrant Price of such Shares by (b) the fair
market value of one Share. The fair market value of the Shares shall be
determined pursuant to Section 1.4.

          1.3 Intentionally Omitted
              ---------------------

          1.4 Fair Market Value. If the Shares are traded in a public market,
              -----------------
the fair market value of the Shares shall be the closing price of the Shares (or
the closing price of the Company's stock into which the Shares are convertible)
reported for the business day immediately before Holder delivers its Notice of
Exercise to the Company. If the Shares are not traded in a public market, the
Board of Directors of the Company shall determine fair market value in its
reasonable good faith judgment. The foregoing notwithstanding, if Holder advises
the Board of Directors in writing that Holder disagrees with such determination,
then the Company and Holder shall promptly agree upon a reputable investment
banking firm to undertake such valuation. If the valuation of such investment
banking firm is greater than that determined by the Board of Directors, then all
fees and expenses of such investment banking firm shall be paid by the Company.
In all other circumstances, such fees and expenses shall be paid by Holder.

          1.5 Delivery of Certificate and New Warrant. Promptly after Holder
              ---------------------------------------
exercises or converts this Warrant, the Company shall deliver to Holder
certificates for the Shares acquired and, if this Warrant has not been fully
exercised or converted and has not expired, a new Warrant representing the
Shares not so acquired.

          1.6 Replacement of Warrants. On receipt of evidence reasonably
              -----------------------
satisfactory to the Company of the loss, theft, destruction or mutilation of
this Warrant and, in the case of loss, theft or destruction, on delivery of an
indemnity agreement reasonably satisfactory in form and amount to the Company
or, in the case of mutilation, on surrender and cancellation of this Warrant,
the Company at its expense shall execute and deliver, in lieu of this Warrant, a
new warrant of like tenor.

          1.7 Repurchase on Sale, Merger, or Consolidation of the Company.
              -----------------------------------------------------------

              1.7.1. "Acquisition". For the purpose of this Warrant,
                      -----------
"Acquisition" means any sale, license, or other disposition of all or
substantially all of the assets of the Company, or any reorganization,
consolidation, or merger of the Company where the holders of the Company's
securities before the transaction beneficially own less than 50% of the
outstanding voting securities of the surviving entity after the transaction.

              1.7.2. Assumption of Warrant. Upon the closing of any Acquisition
                     ---------------------
the successor entity shall assume the obligations of this Warrant, and this
Warrant shall be exercisable for the same securities, cash, and property as
would be payable for the Shares issuable upon exercise of the unexercised
portion of this Warrant as if such Shares were outstanding on the record date
for the Acquisition and subsequent closing. The Warrant Price shall be adjusted
accordingly.

ARTICLE 2. ADJUSTMENTS TO THE SHARES.
           -------------------------

          2.1 Stock Dividends, Splits, Etc. If the Company declares or pays a
              ----------------------------
dividend on its common stock (or the Shares if the Shares are securities other
than common stock) payable in common stock, or other securities, subdivides the
outstanding common stock into a greater amount of common stock, or, if the
Shares are securities other than common stock, subdivides the Shares in a
transaction that increases the amount of common stock into which the Shares are
convertible, then upon exercise of this Warrant, for each Share acquired, Holder
shall receive, without cost to Holder, the total number and

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kind of securities to which Holder would have been entitled had Holder owned the
Shares of record as of the date the dividend or subdivision occurred.

          2.2 Reclassification, Exchange or Substitution. Upon any
              ------------------------------------------
reclassification, exchange, substitution, or other event that results in a
change of the number and/or class of the securities issuable upon exercise or
conversion of this Warrant, Holder shall be entitled to receive, upon exercise
or conversion of this Warrant, the number and kind of securities and property
that Holder would have received for the Shares if this Warrant had been
exercised immediately before such reclassification, exchange, substitution, or
other event. Such an event shall include any automatic conversion of the
outstanding or issuable securities of the Company of the same class or series as
the Shares to common stock pursuant to the terms of the Company's Certificate of
Incorporation upon the closing of a registered public offering of the Company's
common stock. The Company or its successor shall promptly issue to Holder a new
Warrant for such new securities or other property. The new Warrant shall provide
for adjustments which shall be as nearly equivalent as may be practicable to the
adjustments provided for in this Article 2 including, without limitation,
adjustments to the Warrant Price and to the number of securities or property
issuable upon exercise of the new Warrant. The provisions of this Section 2.2
shall similarly apply to successive reclassifications, exchanges, substitutions,
or other events.

          2.3 Adjustments for Combinations, Etc. If the outstanding shares are
              ---------------------------------
combined or consolidated, by reclassification or otherwise, into a lesser number
of shares, the Warrant Price shall be proportionately increased.

          2.4 Adjustments for Diluting Issuances. Adjustments for Diluting
              ------------------------------------------------------------
Issuances. The Warrant Price and the number of Shares issuable upon exercise of
this Warrant or, if the Shares are Preferred Stock, the number of shares of
common stock issuable upon conversion of the Shares, shall be subject to
adjustment, from time to time in the manner set forth in the Company's
Certificate of Incorporation filed on June 29, 2000 with the Delaware Secretary
of State (the "Company Charter"). The provisions set forth for the Shares in the
Company Charter relating to the above in effect as of the Issue Date may not be
amended, modified or waived, without the prior written consent of Holder unless
such amendment, modification or waiver affects Holder in the same manner as they
affect all other shareholders of the Shares.

          2.5 No Impairment. The Company shall not, by amendment of its
              -------------
Certificate of Incorporation or through a reorganization, transfer of assets,
consolidation, merger, dissolution, issue, or sale of securities or any other
voluntary action, avoid or seek to avoid the observance or performance of any of
the terms to be observed or performed under this Warrant by the Company, but
shall at all times in good faith assist in carrying out of all the provisions of
this Article 2 and in taking all such action as may be necessary or appropriate
to protect Holder's rights under this Article against impairment. If the Company
takes any action affecting the Shares or its common stock other than as
described above that adversely affects Holder's rights under this Warrant, the
Warrant Price shall be adjusted downward and the number of Shares issuable upon
exercise of this Warrant shall be adjusted upward in such a manner that the
aggregate Warrant Price of this Warrant is unchanged.

          2.6 Fractional Shares. No fractional Shares shall be issuable upon
              -----------------
exercise or conversion of the Warrant and the number of Shares to be issued
shall be rounded down to the nearest whole Share. If a fractional share interest
arises upon any exercise or conversion of the Warrant, the Company shall
eliminate such fractional share interest by paying Holder an amount computed by
multiplying the fractional interest by the fair market value of a full Share.

          2.7 Certificate as to Adjustments. Upon each adjustment of the Warrant
              -----------------------------
Price, the Company at its expense shall promptly compute such adjustment, and
furnish Holder with a certificate of its Chief Financial Officer setting forth
such adjustment and the facts upon which such adjustment is

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based. The Company shall, upon written request, furnish Holder a certificate
setting forth the Warrant Price in effect upon the date thereof and the series
of adjustments leading to such Warrant Price.

ARTICLE 3. REPRESENTATIONS AND COVENANTS OF THE COMPANY.
           --------------------------------------------

           3.1 Representations and Warranties. The Company hereby represents and
               ------------------------------
warrants to the Holder as follows:

               (a) The initial Warrant Price referenced on the first page of
this Warrant is not greater than (i) the price per share at which the Shares
were last issued in an arms-length transaction in which at least $500,000 of the
Shares were sold and (ii) the fair market value of the Shares as of the date of
this Warrant.

               (b) All Shares which may be issued upon the exercise of the
purchase right represented by this Warrant, and all securities, if any, issuable
upon conversion of the Shares, shall, upon issuance, be duly authorized, validly
issued, fully paid and nonassessable, and free of any liens and encumbrances
except for restrictions on transfer provided for herein or under applicable
federal and state securities laws.

               (c) The Capitalization Table attached to this Warrant is true and
complete as of the Issue Date.

           3.2 Notice of Certain Events. If the Company proposes at any time (a)
               ------------------------
to declare any dividend or distribution upon its common stock, whether in cash,
property, stock, or other securities and whether or not a regular cash dividend;
(b) to offer for subscription pro rata to the holders of any class or series of
its stock any additional shares of stock of any class or series or other rights;
(c) to effect any reclassification or recapitalization of common stock; (d) to
merge or consolidate with or into any other corporation, or sell, lease,
license, or convey all or substantially all of its assets, or to liquidate,
dissolve or wind up; or (e) offer holders of registration rights the opportunity
to participate in an underwritten public offering of the company's securities
for cash, then, in connection with each such event, the Company shall give
Holder (1) at least 20 days prior written notice of the date on which a record
will be taken for such dividend, distribution, or subscription rights (and
specifying the date on which the holders of common stock will be entitled
thereto) or for determining rights to vote, if any, in respect of the matters
referred to in (c) and (d) above; (2) in the case of the matters referred to in
(c) and (d) above at least 20 days prior written notice of the date when the
same will take place (and specifying the date on which the holders of common
stock will be entitled to exchange their common stock for securities or other
property deliverable upon the occurrence of such event); and (3) in the case of
the matter referred to in (e) above, the same notice as is given to the holders
of such registration rights.

           3.3 Information Rights. So long as the Holder holds this Warrant
               ------------------
and/or any of the Shares, the Company shall deliver to the Holder (a) promptly
after mailing, copies of all notices or other written communications to the
shareholders of the Company, (b) within one hundred twenty (120) days after the
end of each fiscal year of the Company, the annual audited financial statements
of the Company certified by independent public accountants of recognized
standing and (c) such other financial statements required under and in
accordance with any loan documents between Holder and the Company (or if there
are no such requirements [or if the subject loan(s) no longer are outstanding]),
then within forty-five (45) days after the end of each of the first three
quarters of each fiscal year, the Company's quarterly, unaudited financial
statements.

           3.4 Registration Under Securities Act of 1933, as amended. The
               -----------------------------------------------------
Company agrees that the Shares or, if the Shares are convertible into common
stock of the Company, such common stock, shall be subject to the registration
rights set forth for the Shares in Company's Third Amended and Restated
Registration Rights Agreement dated as of December 21, 1999 (the "Rights
Agreement"). The
                                       4
<PAGE>

provisions set forth in Company's Rights Agreement relating to the above in
effect as of the Issue Date may not be amended, modified or waived without the
prior written consent of Holder unless such amendment, modification or waiver
affects Holder in the same manner as they affect all other shareholders of the
Shares.

ARTICLE 4. MISCELLANEOUS.
           -------------

          4.1 Term. This Warrant is exercisable, in whole or in part, at any
              ----
time and from time to time on or before the Expiration Date set forth above.

          4.2 Legends. This Warrant and the Shares (and the securities issuable,
              -------
directly or indirectly, upon conversion of the Shares, if any) shall be
imprinted with a legend in substantially the following form:

     THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS
     AMENDED, AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHOUT AN
     EFFECTIVE REGISTRATION THEREOF UNDER SUCH ACT OR PURSUANT TO RULE 144 OR AN
     OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE CORPORATION AND ITS
     COUNSEL THAT SUCH REGISTRATION IS NOT REQUIRED.

          4.3 Compliance with Securities Laws on Transfer. This Warrant and the
              -------------------------------------------
Shares issuable upon exercise this Warrant (and the securities issuable,
directly or indirectly, upon conversion of the Shares, if any) may not be
transferred or assigned in whole or in part without compliance with applicable
federal and state securities laws by the transferor and the transferee
(including, without limitation, the delivery of investment representation
letters and legal opinions reasonably satisfactory to the Company, as reasonably
requested by the Company). The Company shall not require Holder to provide an
opinion of counsel if the transfer is to an affiliate of Holder or if there is
no material question as to the availability of current information as referenced
in Rule 144(c), Holder represents that it has complied with Rule 144(d) and (e)
in reasonable detail, the selling broker represents that it has complied with
Rule 144(f), and the Company is provided with a copy of Holder s notice of
proposed sale.

          4.4 Transfer Procedure. Subject to the provisions of Section 4.3,
              ------------------
Holder may transfer all or part of this Warrant or the Shares issuable upon
exercise of this Warrant (or the securities issuable, directly or indirectly,
upon conversion of the Shares, if any) at any time to Silicon Valley Bancshares
or The Silicon Valley Bank Foundation, or to any affiliate of Holder, or, to any
other transferree by giving the Company notice of the portion of the Warrant
being transferred setting forth the name, address and taxpayer identification
number of the transferee and surrendering this Warrant to the Company for
reissuance to the transferee(s) (and Holder if applicable). Unless the Company
is filing financial information with the SEC pursuant to the Securities Exchange
Act of 1934, the Company shall have the right to refuse to transfer any portion
of this Warrant to any person who directly competes with the Company.

          4.5 Notices. All notices and other communications from the Company to
              -------
the Holder, or vice versa, shall be deemed delivered and effective when given
personally or mailed by first-class registered or certified mail at such address
as may have been furnished to the Company or the Holder, as the case may be, in
writing by the Company or such holder from time to time. All notices to be
provided under this Warrant shall be sent to the following address:

              Silicon Valley Bank
              Attn: Treasury Department
              3003 Tasman Drive
              Santa Clara, CA  95054

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<PAGE>

          4.6 Waiver. This Warrant and any term hereof may be changed, waived,
              ------
discharged or terminated only by an instrument in writing signed by the party
against which enforcement of such change, waiver, discharge or termination is
sought.

          4.7 Attorneys Fees. In the event of any dispute between the parties
              --------------
concerning the terms and provisions of this Warrant, the party prevailing in
such dispute shall be entitled to collect from the other party all costs
incurred in such dispute, including reasonable attorneys' fees.

[remainder of page intentionally left blank; signature page follows]

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          4.8 Governing Law. This Warrant shall be governed by and construed in
              -------------
accordance with the laws of the State of California, without giving effect to
its principles regarding conflicts of law.

                             "COMPANY"

                             HAHT Commerce, Inc.

                             By:      /s/ Rowland Archer
                                      -----------------------------------

                             Name:    Rowland Archer
                                      -----------------------------------
                                      (Print)
                             Title:   Chairman of the Board, President or
                                      Vice President

                             By:      /s/ J N Riehle
                                      -----------------------------------

                             Name:    J. Nick Riehle
                                      -----------------------------------
                                      (Print)
                             Title:   Chief Financial Officer, Secretary,
                                      Assistant Treasurer or Assistant
                                      Secretary

                                       7<PAGE>

                                                                   EXHIBIT 10.14

THIS WARRANT AND THE SECURITIES ISSUABLE UPON EXERCISE HEREOF HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES ACT"),
APPLICABLE STATE SECURITIES LAWS, OR APPLICABLE LAWS OF ANY FOREIGN
JURISDICTION. THIS WARRANT AND SUCH UNDERLYING SECURITIES HAVE BEEN ACQUIRED FOR
INVESTMENT AND NOT WITH A VIEW TO DISTRIBUTION OR RESALE, AND MAY NOT BE
OFFERED, SOLD, PLEDGED, HYPOTHECATED, RENOUNCED OR OTHERWISE TRANSFERRED IN THE
ABSENCE OF AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND ANY
APPLICABLE STATE SECURITIES LAWS AND IN THE ABSENCE OF COMPLIANCE WITH
APPLICABLE LAWS OF ANY FOREIGN JURISDICTION, OR AN OPINION OF COUNSEL
SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IN NOT REQUIRED AND SUCH
FOREIGN JURISDICTION LAWS HAVE BEEN SATISFIED.

                               HAHT COMMERCE, INC.

                             STOCK PURCHASE WARRANT

     This Warrant is issued as of this 31st day of October 2000, by HAHT
COMMERCE, INC., a Delaware corporation (the "Company"), to HAHT ASIA, INC., a
California corporation, or permitted assigns (the "Holder")

     1.   Issuance of Warrant; Term; Price; Escrow.
          ----------------------------------------

          1.1 Issuance. Subject to the terms hereinafter set forth, the Company
              --------
hereby grants to Holder the right to purchase 150,000 shares of Common Stock of
the Company (the "Warrant Stock").

          1.2 Term; Vesting. This Warrant shall be exercisable at any time and
              -------------
from time to time for five (5) years after the date hereof.

          1.3. Exercise Price. The exercise price (the "Warrant Price") per
               --------------                           -------------
share for which all or any of the shares of Warrant Stock may be purchased
pursuant to the terms of this Warrant shall be $2.50.

          1.4 Escrow. The Seller agrees that this Warrant and the Warrant Stock
              ------
shall be held by the Company in escrow until the later of the first anniversary
of the Closing Date or one hundred eighty (180) days after the completion of a
public offering of stock by the Company on a recognized exchange or market,
pursuant to the terms of the Asset Purchase Agreement between the Company and
Holder dated as of the date hereof.

     2. Adjustment of Warrant Price, Number and Kind of Shares. The Warrant
        ------------------------------------------------------
Price and the number and kind of securities issuable upon the exercise of this
Warrant shall be subject to adjustment from time to time and the Company agrees
to provide notice upon the happening of certain events as follows.

          2.1 Dividends in Stock Adjustment. In case at any time or from time to
              -----------------------------
time on or after the date hereof the holders of the Common Stock of the Company
(or any shares of stock or other securities at the time receivable upon the
exercise of this Warrant) shall have received, or, on or after the record date
fixed for the determination of eligible shareholders, shall have become entitled
to receive, without payment therefor, other or additional securities or other
property (other than cash) of the Company by way of dividend or distribution,
then and in each case, the holder of this Warrant shall, upon the exercise
hereof, be entitled to receive, in addition to the number of shares of Warrant
Stock receivable thereupon, and without payment of any additional consideration
therefor, the amount of such other or additional securities or other property
(other than cash) of the Company which such holder would hold on the date of
such exercise had it been the holder of record of such Common Stock on the date
hereof and had thereafter, during the period from the date hereof to and
including the date of such exercise, retained such shares and/or all other
additional securities or other property receivable by it as aforesaid during
such period, giving effect to all adjustments called for during such period by
this subsection 2.1 and subsections 2.2 and 2.3 of this Section 2.
<PAGE>

          2.2 Reclassification or Reorganization Adjustment. In case of any
              ---------------------------------------------
reclassification or change of the outstanding securities of the Company or of
any reorganization of the Company (or any other corporation the stock or
securities of which are at the time receivable upon the exercise of this
Warrant) on or after the date hereof, then and in each such case the holder of
this Warrant, upon the exercise hereof at any time after the consummation of
such reclassification, change or reorganization, shall be entitled to receive,
in lieu of the stock or other securities and property receivable upon the
exercise hereof prior to such consummation, the stock or other securities or
property to which such holder would have been entitled upon such consummation if
such holder had exercised this Warrant immediately prior thereto, all subject to
further adjustment as provided in subsections 2.1, 2.2 and 2.3 of this Section
2.

          2.3 Stock Splits and Reverse Stock Splits. If at any time on or after
              -------------------------------------
the date hereof the Company shall subdivide its outstanding shares of Common
Stock into a greater number of shares, the Warrant Price in effect immediately
prior to such subdivision shall thereby be proportionately reduced and the
number of shares receivable upon exercise of this Warrant shall thereby be
proportionately increased; and, conversely, if at any time on or after the date
hereof the outstanding number of shares of Common Stock shall be combined into a
smaller number of shares, the Warrant Price in effect immediately prior to such
combination shall thereby be proportionately increased and the number of shares
receivable upon exercise of this Warrant shall thereby be proportionately
decreased.

     3. No Fractional Shares. No fractional shares of Warrant Stock will be
        --------------------
issued in connection with any subscription hereunder. In lieu of any fractional
shares that would otherwise be issuable, the Company shall pay cash equal to the
product of such fraction multiplied by the fair market value of one share of
Warrant Stock on the date of exercise, as determined in good faith by the
Company's Board of Directors.

     4. No Shareholder Rights. This Warrant as such shall not entitle its holder
        ---------------------
to any of the rights of a shareholder of the Company until the holder has
exercised this Warrant in accordance with Section 6 or Section 7 hereof.

     5. Reservation of Stock. The Company covenants that during the period this
        --------------------
Warrant is exercisable, the Company will reserve from its authorized and
unissued Common Stock a sufficient number of shares to provide for the issuance
of Warrant Stock upon the exercise of this Warrant. The Company agrees that its
issuance of this Warrant shall constitute full authority to its officers who are
charged with the duty of executing stock certificates to execute and issue the
necessary certificates for shares of Warrant Stock upon the exercise of this
Warrant.

     6. Exercise of Warrant. This Warrant may be exercised by Holder by the
        -------------------
surrender of this Warrant at the principal office of the Company, accompanied by
payment in full of the purchase price of the shares purchased thereby, as
described above. This Warrant shall be deemed to have been exercised immediately
prior to the close of business on the date of its surrender for exercise as
provided above, and the person or entity entitled to receive the shares or other
securities issuable upon such exercise shall be treated for all purposes as the
holder of such shares of record as of the close of business on such date. As
promptly as practicable, the Company shall issue a certificate or certificates
for the number of full shares of Warrant Stock issuable upon such exercise,
together with cash in lieu of any fraction of a share as provided above. The
shares of Warrant Stock issuable upon exercise hereof shall, upon their
issuance, be fully paid and nonassessable.

     7. Right to Convert Warrant for Stock.
        ----------------------------------

        7.1 Right to Convert. In addition to and without limiting the rights of
            ----------------
the Holder under the terms of this Warrant, the Holder shall have the right to
convert this Warrant or any portion hereof (the "Conversion Right") into shares
                                                 ----------------
of Warrant Stock as provided in this Section 7, subject to the restrictions set
forth in subsection 7.3 hereof. Upon exercise of the Conversion Right with
respect to a particular number of shares subject to this Warrant (the "Converted
                                                                       ---------
Warrant Shares"), the Company shall deliver to the Holder (without payment by
--------------
the Holder of any cash or other consideration) that number of shares of Warrant
Stock equal to the quotient obtained by dividing (x) the value of this Warrant
(or the

<PAGE>

specified portion hereof) on the Conversion Date (as defined in subsection 7.2
hereof), which value shall be determined by subtracting (A) the aggregate
Warrant Price of the Converted Warrant Shares immediately prior to the exercise
of the Conversion Right from (B) the aggregate fair market value of the
Converted Warrant Shares issuable upon exercise of this Warrant (or the
specified portion hereof) on the Conversion Date (as herein defined) by (y) the
fair market value of one share of Warrant Stock on the Conversion Date (as
herein defined). No fractional shares shall be issuable upon exercise of the
Conversion Right, and if the number of shares to be issued determined in
accordance with the foregoing formula is other than a whole number, the Company
shall pay to the Holder an amount in cash equal to the fair market value of the
resulting fractional share on the Conversion Date (as herein defined).

          7.2 Method of Exercise. The Conversion Right may be exercised by the
              ------------------
Holder by the surrender of this Warrant at the principal office of the Company
together with a written statement specifying that the Holder thereby intends to
exercise the Conversion Right and indicating the number of shares subject to
this Warrant that are being surrendered (referred to in subsection 7.1 hereof as
the Converted Warrant Shares) in exercise of the Conversion Right. Such
conversion shall be effective immediately prior to the expiration of this
Warrant (the "Conversion Date"). Certificates for the shares of Warrant Stock
              ---------------
issuable upon exercise of the Conversion Right (or any other securities
deliverable in lieu thereof under subsection 2.1) shall be issued as of the
Conversion Date and shall be delivered to the Holder immediately following the
Conversion Date.

          7.3 Restrictions on Conversion Right. In the event that the Conversion
              --------------------------------
Right contained herein would, at any time this Warrant remains outstanding, be
deemed by the Company's independent certified public accountants to trigger a
charge to the Company's earnings for financial reporting purposes, then the
Conversion Right shall automatically terminate, and the Company shall promptly
provide written notice to the Holder of such adverse accounting treatment and
termination.

     8. Certificate of Adjustment. Whenever the Warrant Price or number or type
        -------------------------
of securities issuable upon exercise of this Warrant is adjusted, as herein
provided, the Company shall promptly deliver to the record holder of this
Warrant a certificate of an officer of the Company setting forth the nature of
such adjustment and a brief statement of the facts requiring such adjustment.

     9. Notice of Proposed Transfers. Neither this Warrant nor the Warrant Stock
        ----------------------------
shall be transferable while subject to escrow referred to in Section 1.4. Prior
to any proposed transfer of this Warrant or the shares of Warrant Stock received
on the exercise of this Warrant (the "Securities"), unless there is in effect a
                                      ----------
registration statement under the Securities Act of 1933, as amended (the
"Securities Act"), covering the proposed transfer, the Holder thereof shall give
 --------------
written notice to the Company of such Holder's intention to effect such
transfer. Each such notice shall describe the manner and circumstances of the
proposed transfer in sufficient detail, and shall, if the Company so requests,
be accompanied (except in transactions in compliance with Rule 144) by either
(i) an unqualified written opinion of legal counsel who shall be reasonably
satisfactory to the Company addressed to the Company and reasonably satisfactory
in form and substance to the Company's counsel, to the effect that the proposed
transfer of the Securities may be effected without registration under the
Securities Act, or (ii) a "no action" letter from the Securities Exchange
Commission (the "Commission") to the effect that the transfer of such Securities
                 ----------
without registration will not result in a recommendation by the staff of the
Commission that action be taken with respect thereto, whereupon the Holder of
the Securities shall be entitled to transfer the Securities in accordance with
the terms of the notice delivered by the Holder to the Company; provided,
                                                                --------
however, no such registration statement or opinion of counsel shall be necessary
-------
for a transfer by a Holder to any affiliate of such Holder, if the transferee
agrees in writing to be subject to the terms hereof to the same extent as if
such transferee were the original Holder hereunder. Each certificate evidencing
the Securities transferred as above provided shall bear the appropriate
restrictive legend set forth above, except that such certificate shall not bear
such restrictive legend if in the opinion of counsel for the Company such legend
is not required in order to establish compliance with any provisions of the
Securities Act.

     10. Replacement of Warrants. Upon receipt by the Company of evidence
         -----------------------
reasonably satisfactory to the Company of the loss, theft, destruction or
mutilation of the Warrant, and in the case of any such loss, theft or
destruction of the Warrant, on delivery of an indemnity agreement or security
reasonably
<PAGE>

satisfactory in form and amount to the Company, and reimbursement to the Company
of all reasonable expenses incidental thereto, and upon surrender and
cancellation of the Warrant if mutilated, the Company will execute and deliver,
in lieu thereof, a new Warrant of like tenor.

     11. Miscellaneous. This Warrant shall be governed by the laws of the State
         -------------
of North Carolina. The headings in this Warrant are for purposes of convenience
of reference only, and shall not be deemed to constitute a part hereof. The
invalidity or unenforceability of any provision hereof shall in no way affect
the validity or enforceability of any other provisions. All notices and other
communications from the Company to the holder of this Warrant shall be delivered
personally or mailed by first class mail, postage prepaid, to the address
furnished to the Company in writing by the last holder of this Warrant who shall
have furnished an address to the Company in writing, and if mailed shall be
deemed given three days after deposit in the U.S. Mail.

     12. Taxes. The Company shall pay all issue taxes and other governmental
         -----
charges (but not including any income taxes of a Holder) that may be imposed in
respect of the issuance or delivery of the shares of Warrant Stock or any
portion thereof.

     13. Amendment. Any term of this Warrant may be amended with the written
         ---------
consent of the Company and the Holder.

                  [Remainder of Page Intentionally Left Blank]
<PAGE>

     IN WITNESS WHEREOF, the undersigned officer of the Company has set his hand
as of the date first above written.

                                     HAHT COMMERCE, INC.

                                     By:
                                          --------------------------------------
                                              President

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