Document:

<PAGE>

                                                                    EXHIBIT 4.25

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

                           CREDIT AGREEMENT AMENDMENT
                          (FACILITY B LETTER OF CREDIT)
                             (Dated: May 12, 2003)

                                    BETWEEN:

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

                               TELVENT CANADA LTD.

                                     - AND -

        LASALLE BUSINESS CREDIT, A DIVISION OF ABN AMRO BANK N.V., CANADA
                                     BRANCH

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

                                BAKER & MCKENZIE
                                   SUITE 2600
                              255 - 5TH AVENUE S.W.
                                CALGARY, ALBERTA
                                     T2P 3G6

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

<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                            <C>
                                             ARTICLE 1.
INTERPRETATION ............................................................................    Page 1
    SECTION 1.1  DEFINITIONS ..............................................................    Page 1

                                             ARTICLE 2.
LETTER OF CREDIT FACILITY AMENDED .........................................................    Page 2
    SECTION 2.1  ADDITION OF FACILITY B LETTER OF CREDIT ..................................    Page 2

                                             ARTICLE 3.
VERIFICATION OF TELVENT CONTRIBUTION ......................................................    Page 3
    SECTION 3.1  CONFIRMATION OF TELVENT FUNDING BY THE BORROWER............................   Page 3

                                             ARTICLE 4.
CREDIT AGREEMENT IF FULL FORCE ............................................................    Page 4
    SECTION 4.1  CREDIT AGREEMENT OTHERWISE UNAMENDED .....................................    Page 4
    SECTION 4.2  AMENDMENT PURSUANT TO CREDIT AGREEMENT ...................................    Page 4

                                             ARTICLE 5.
MISCELLANEOUS .............................................................................    Page 4
    SECTION 5.1  GOVERNING LAW ............................................................    Page 4
    SECTION 5.2  CONSENT TO JURISDICTION ..................................................    Page 4
    SECTION 5 3  BENEFIT OF THE AGREEMENT .................................................    Page 4
    SECTION 5.4  SEVERABILITY .............................................................    Page 5
    SECTION 5.5  AMENDMENTS AND WAIVERS ...................................................    Page 5
    SECTION 5 6  BINDING EFFECT ...........................................................    Page 5
    SECTION 5.7  TIME OF THE ESSENCE ......................................................    Page 5
    SECTION 5.8  COUNTERPARTS .............................................................    Page 5
</TABLE>

<PAGE>

                       CREDIT FACILITY AMENDING AGREEMENT

      THIS AGREEMENT MADE as of May 12, 2003.

BETWEEN:

            TELVENT CANADA LTD., a Corporation, incorporated under the Laws of
            Canada, and having an office in the City of Calgary in the Province
            of Alberta (herein referred to as the "Borrower")

                                                               OF THE FIRST PART

                                     - and -

            LASALLE BUSINESS CREDIT, A DIVISION OF ABN AMRO BANK N.V., CANADA
            BRANCH, a Canadian Branch of a Foreign Bank, under the Bank Act
            (Canada), and having an office in the City of Toronto in the
            Province of Ontario (herein referred to as the "Bank")

                                                              OF THE SECOND PART

      WHEREAS the Borrower and the Bank entered into the Credit Agreement;

      AND WHEREAS the Borrower and the Bank wish to amend the Credit Agreement
to provide for the issue of a Letter of Credit under Facility B.

      NOW THEREFORE, in consideration of the terms, covenants, conditions and
provisions hereof, given or made by each party hereto, to or in favour of all or
any of the other parties hereto, and other good and valuable consideration
(receipt and sufficiency whereof is hereby acknowledged by each party receiving
the same) the parties hereto mutually covenant and agree as follows.

                                   ARTICLE 1.
                                 INTERPRETATION

      SECTION 1.1 DEFINITIONS

      In this Agreement, capitalized expressions used herein shall have the
meanings given them in the Credit Agreement and in this Agreement, unless
something in the subject matter or context is inconsistent therewith:

"CREDIT AGREEMENT" means the credit agreement dated May 2, 2003 between the
Borrower and the Bank, as the same may be amended from time to time.

<PAGE>

                                                                          Page 2

                                   ARTICLE 2.
                        LETTER OF CREDIT FACILITY AMENDED

SECTION 2.1 ADDITION OF FACILITY B LETTER OF CREDIT

       2.1.1 Effective as of the date hereof, Section 9.1 of the Credit
             Agreement is hereby amended by replacing that Section with the
             following:

        "SECTION 9.1   OBLIGATION To ISSUE LETTERS OF CREDIT

            Subject to the terms and conditions of this Agreement and the Master
      Letter of Credit Agreement, and in reliance upon the representations,
      warranties and covenants of the Borrower herein set forth, the Bank hereby
      agrees to issue for the account of the Borrower:

      9.1.1 one or more Letters of Credit in respect of Facility A
            denominated in Canadian Dollars or U.S. Dollars in accordance with
            this Article, from time to time during the period, commencing on the
            Closing Date and ending on the 6th Banking Day prior to the
            termination of the obligation of the Bank to fund Advances
            hereunder; and

      9.1.2 a single Letter of Credit in respect of Facility B, in the
            maximum amount of U.S. $2,100,000, in accordance with this Article,
            commencing on a date mutually agreed upon by the Borrower and the
            Bank and having a draw date ending on February 24, 2004."

      2.1.2 Effective as of the date hereof, Section 9.2 of the Credit
            Agreement is hereby amended by replacing that Section with the
            following:

        "SECTION 9.2   TYPES AND AMOUNTS

Notwithstanding the foregoing, the Bank shall not have any obligation to:

      9.2.1 issue or amend any Letter of Credit in respect of amounts
            advanced under Facility A if on the date of issuance or amendment,
            before or after giving effect to the Letter of Credit requested
            hereunder:

        (a) the amount of the Obligations in respect of Facility A at such
            time would exceed the amount permitted by Section 2.11, at such
            time, or

        (b) the aggregate outstanding amount of the L/C Obligations would
            exceed U.S. $2,000,000, or the Equivalent Amount in Canadian
            Dollars, calculated as of the date of issuance of any Letter of
            Credit; or

<PAGE>

                                                                          Page 3

      9.2.2 issue or amend any Letter of Credit in respect of amounts advanced
            under Facility B if on the date of issuance or amendment, before or
            after giving effect to the Letter of Credit requested hereunder:

        (a) the amount of the Obligations in respect of Facility B at such time
            would exceed the amount permitted by Section 2.11, at such time, or

        (b) the aggregate outstanding amount of the L/C Obligations would exceed
            U.S. $2,100,000, or the Equivalent Amount in Canadian Dollars,
            calculated as of the date of issuance of any Letter of Credit;

        (c) the terms thereof permit any draw thereunder if the amount required
            to be contributed to the Borrower by Telvent has not then been made
            in accordance with Subsection 2.5.1 of the Credit Agreement; or"

      9.2.3 issue or amend any Letter of Credit which has an expiration date
            later than the date which is the earlier of:

           (a)   1 year after the date of issuance thereof, or

           (b)   5 Banking Days immediately preceding the termination of the
                 obligation of the Bank to fund Advances hereunder;

        Provided, That any Letter of Credit with a one year tenor may provide
        for the renewal thereof for additional one year periods, which in no
        event shall extend beyond the date referred to in clause 9.2.3.(b)
        above."

                                   ARTICLE 3.
                      VERIFICATION OF TELVENT CONTRIBUTION

      SECTION 3.1 CONFIRMATION OF TELVENT FUNDING BY THE BORROWER

      The Borrower covenants and agrees with the Bank that is shall forthwith
notify in writing the Bank and ABN AMRO BRANCH, Madrid Branch, Madrid, Spain, of
the satisfaction of the condition set forth in Subsection 2.5.1 of the Credit
Agreement and shall provide to the Bank the independent confirmation thereof, in
form reasonably satisfactory to the Bank that such funding has been made by
Telvent.

<PAGE>

                                                                          Page 4

                                   ARTICLE 4.
                         CREDIT AGREEMENT IF FULL FORCE

      SECTION 4.1 CREDIT AGREEMENT OTHERWISE UNAMENDED

      Except as specifically herein provided, the Credit Agreement remains
unamended and in full force and effect as at the date hereof.

      SECTION 4.2 AMENDMENT PURSUANT To CREDIT AGREEMENT

      This Agreement constitutes an amendment within the meaning of Section
18.10 of the Credit Agreement.

                                   ARTICLE 5.
                                  MISCELLANEOUS

      SECTION 5.1 GOVERNING LAW

      This Agreement shall be conclusively deemed to be a contract made under,
and shall for all purposes be governed by and construed in accordance with the
laws of the Province of Alberta and the federal laws of Canada therein
applicable to contracts made in and to be wholly performed in such Province,
without prejudice to or limitation of any other rights or remedies available
under the laws of any jurisdiction where property or assets of the Borrower may
be found.

      SECTION 5.2 CONSENT To JURISDICTION

      5.2.1 The Borrower hereby irrevocably submits to the jurisdiction of any
            Alberta court sitting in Calgary in any action or proceeding arising
            out of or relating to this Agreement and the Security Documents and
            hereby irrevocably agrees that all claims in respect of any such
            action or proceeding may be heard and determined in such Alberta
            court. The Borrower hereby consents to service upon it at its
            address set out in Section 18.2 of the Credit Agreement of copies of
            the statement of claim and any process issued in respect of any such
            action or proceeding. The Borrower agrees that a final judgment in
            any such action or proceeding shall be conclusive and may be
            enforced in other jurisdictions by suit on the judgment or in any
            other manner provided by law.

      5.2.2 Nothing in this Section shall affect the right of the Bank to serve
            legal process in any other manner permitted by law or affect the
            right of the Bank to bring any action or proceeding against the
            Borrower or its property in the courts of other jurisdictions.

      SECTION 5.3 BENEFIT OF THE AGREEMENT

      This Agreement shall enure to the benefit of and be binding upon the
Borrower and the Bank, and their respective successors and permitted assigns.

<PAGE>

                                                                          Page 5

      SECTION 5.4 SEVERABILITY

      Any provision of this Agreement which is prohibited or unenforceable in
any jurisdiction shall not invalidate the remaining provisions hereof and any
such prohibition or unenforceability in any jurisdiction shall not invalidate or
render unenforceable such provision in any other jurisdiction.

      SECTION 5.5 AMENDMENTS AND WAIVERS

      Except as otherwise specifically provided herein, any provision of this
Agreement may be amended only by the Borrower and the Bank in writing and may be
waived only if the Bank so agrees in writing. Any such waiver and any consent by
the Bank under any provision of this Agreement may be given subject to any
conditions thought fit by the Bank. Any waiver or consent shall be effective
only in the instance and for the purpose for which it is given.

      SECTION 5.6 BINDING EFFECT

      This Agreement shall become effective when it shall have been executed by
the Borrower and the Bank and thereafter shall be binding upon and enure to the
benefit of the Borrower and the Bank and their respective successors and
assigns. The Borrower shall not assign its rights and obligations hereunder or
any interest herein without the prior consent of all the Bank.

      SECTION 5.7 TIME OF THE ESSENCE

      Time shall be of the essence of this Agreement.

      SECTION 5.8 COUNTERPARTS

      This Agreement may be executed in any number of counterparts, each of
which shall be deemed to be an original and all of which taken together shall be
deemed to constitute one and the same instrument, and

<PAGE>

                                                                          Page 6

it shall not be necessary in making proof of this Agreement to produce or
account for more than one such counterpart.

      IN WITNESS WHEREOF the Parties hereto have duly executed this Agreement as
of the date first above written.

TELVENT CANADA LTD.                   LASALLE BUSINESS CREDIT, A DIVISION OF ABN
                                      AMRO BANK N.V., CANADA BRANCH

/s/ Steve Aasen                       /s/ Keith Hughes
-----------------------------------   ------------------------------------------

/s/ Cameron Demcoe                    /s/ Darcy Mack
-----------------------------------   ------------------------------------------<PAGE>

                                                                    EXHIBIT 4.26

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

                            CREDIT FACILITY AMENDMENT
                        (AFFILIATE BORROWING AMENDMENTS)
                             (Dated: July 14, 2005)

                                    BETWEEN:

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

                               TELVENT CANADA LTD.

                                     - AND -

        LASALLE BUSINESS CREDIT, A DIVISION OF ABN AMRO BANK N.V., CANADA
                                     BRANCH

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

                                BAKER & MCKENZIE
                                   SUITE 2600
                             255 - 5TH AVENUE S.W.
                                CALGARY, ALBERTA
                                     T2P 3G6

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

<PAGE>

                                TABLE OF CONTENTS

<TABLE>
<S>                                                                                                <C>
                                             ARTICLE 1.
INTERPRETATION................................................................................     Page 1
    SECTION 1.1  DEFINITIONS .................................................................     Page 1
    SECTION 1.2  EFFECTIVE DATE OF AMENDMENTS MADE HEREBY ....................................     Page 2

                                             ARTICLE 2.
AMENDMENT TO DEFINED TERMS ...................................................................     Page 2
    SECTION 2.1  AMENDMENTS TO DEFINITIONS IN THE CREDIT AGREEMENT ...........................     Page 2
    SECTION 2.2  ADDITIONS TO CREDIT AGREEMENT DEFINITIONS ...................................     Page 3

                                             ARTICLE 3.
AMENDMENT TO EXCESS CASH FLOW MANDATORY REPAYMENT OBLIGATIONS ................................     Page 3
    SECTION 3.1  AMENDMENTS TO SECTION 11.4(B) ...............................................     Page 3

                                             ARTICLE 4.
MODIFICATION OF COVENANT .....................................................................     Page 3
    SECTION 4.1  MODIFICATION OF EXCESS CASH FLOW MANDATORY REPAYMENT FOR 2004 FISCAL YEAR ...     Page 3

                                             ARTICLE 5.
AMENDMENT TO NEGATIVE COVENANTS ..............................................................     Page 4

                                             ARTICLE 6.
CREDIT AGREEMENT IF FULL FORCE................................................................     Page 5
    SECTION 6.1  CREDIT AGREEMENT OTHERWISE UNAMENDED ........................................     Page 5
    SECTION 6.2  AMENDMENT PURSUANT TO CREDIT AGREEMENT ......................................     Page 5

                                             ARTICLE 7.
MISCELLANEOUS ................................................................................     Page 5
    SECTION 7.1  GOVERNING LAW ...............................................................     Page 5
    SECTION 7.2  CONSENT TO JURISDICTION .....................................................     Page 5
    SECTION 7.3  BENEFIT OF THE AGREEMENT ....................................................     Page 6
    SECTION 7.4  SEVERABILITY ................................................................     Page 6
    SECTION 7.5  AMENDMENTS AND WAIVERS ......................................................     Page 6
    SECTION 7.6  BINDING EFFECT ..............................................................     Page 6
    SECTION 7.7  TIME OF THE ESSENCE .........................................................     Page 6
    SECTION 7.8  COUNTERPARTS ................................................................     Page 6
</TABLE>

<PAGE>

                       CREDIT FACILITY AMENDING AGREEMENT
                        (AFFILIATE BORROWING AMENDMENTS)

      THIS AGREEMENT MADE as of July 14, 2005.

BETWEEN:

            TELVENT CANADA LTD., a Corporation, incorporated under the Laws of
            Canada, and having an office in the City of Calgary in the Province
            of Alberta (herein referred to as the "Borrower")

                                                              OF THE FIRST PART

                                     - and -

            LASALLE BUSINESS CREDIT, A DIVISION OF ABN AMRO BANK N.V., CANADA
            BRANCH, a Canadian Branch of a Foreign Bank, under the Bank Act
            (Canada), and having an office in the City of Toronto in the
            Province of Ontario (herein referred to as the "Bank")

                                                              OF THE SECOND PART

      WHEREAS the Borrower and the Bank entered into the Credit Agreement;

      AND WHEREAS the Borrower and the Bank wish to amend the Credit Agreement
to provide for certain amendments to the rights of the Borrower under the Credit
Agreement.

      NOW THEREFORE, in consideration of the terms, covenants, conditions and
provisions hereof, given or made by each party hereto, to or in favor of all or
any of the other parties hereto, and other good and valuable consideration
(receipt and sufficiency whereof is hereby acknowledged by each party receiving
the same) the parties hereto mutually covenant and agree as follows.

                                   ARTICLE 1.
                                 INTERPRETATION

      SECTION 1.1 DEFINITIONS

      In this Agreement, capitalized expressions used herein shall have the
meanings given them in the Credit Agreement, and in this Agreement, unless
something in the subject matter or context is inconsistent therewith:

"CREDIT AGREEMENT" means the credit agreement dated May 2, 2003 between the
Borrower and the Bank, as amended on May 12, 2003, June 29, 2004 and
September 30, 2004 and as the same may be amended from time to time.

<PAGE>

                                                                          Page 2

      SECTION 1.2 EFFECTIVE DATE OF AMENDMENTS MADE HEREBY

      All of the amendments, replacements and changes to the Credit Agreement
made by this Agreement shall be effective as of 8:00 am, Mountain Daylight time,
on July 14, 2005.

                                   ARTICLE 2.
                           AMENDMENT TO DEFINED TERMS

      SECTION 2.1 AMENDMENTS To DEFINITIONS IN THE CREDIT AGREEMENT

       2.1.1  The definition of "Affiliate" in Section 1.1 of the Credit
              Agreement is hereby amended by replacing that Section with the
              following:

      "AFFILIATE" of a Person shall mean any Person directly or indirectly
      controlling, controlled by or under common control with such Person and,
      for the purpose of this definition, a Person possessing, directly or
      indirectly:

            (a)   greater than 30% of all of the voting securities of another
                  Person which is a publicly listed corporation, or

            (b)   greater than 50% of all of the voting securities of another
                  Person which is a corporation which is not publicly listed, or

            (c)   has the right to direct, or cause the direction of, the
                  management and policies of another Person by contract, or
                  otherwise,

      is deemed to control such other Person.

       2.1.2  The definition of "Borrowed Funds" in Section 1.1 of the Credit
              Agreement is hereby amended by replacing that Section with the
              following:

      "BORROWED FUNDS" means with respect to the Borrower and its Subsidiaries,
      without duplication, Indebtedness consisting of:

       (a)    obligations for borrowed money, including, without limitation,
              subordinated indebtedness,

       (b)    obligations representing the deferred purchase price of property
              or services rendered, including, without limitation earn-outs and
              other similar forms of contingent purchase prices (but excluding
              accounts payable arising in the ordinary course of such Person's
              business payable on terms customary in the trade),

       (c)    obligations, whether or not assumed, secured by Liens or payable
              out of the revenues from property or assets now or hereafter owned
              or acquired by such Person,

<PAGE>

                                                                          Page 3

       (d)    obligations which are evidenced by notes, acceptances, other
              instruments or drafts drawn pursuant to a corresponding letter of
              credit or letter of guarantee,

       (e)    Capitalized Lease Obligations, and

       (f)    all amounts in respect of Telvent Affiliate Indebtedness.

      SECTION 2.2 ADDITIONS To CREDIT AGREEMENT DEFINITIONS

      Section 1.1 of the Credit Agreement is hereby amended by adding the
following defined terms:

      "TELVENT AFFILIATE" means an Affiliate of the Borrower which is not a
      Subsidiary of the Borrower.

      "TELVENT AFFILIATE INDEBTEDNESS" means Indebtedness arising out of loans
      or other advances from a Telvent Affiliate to Telvent in accordance with
      Section 14.4.13 of this Agreement.

                                   ARTICLE 3.
          AMENDMENT TO EXCESS CASH FLOW MANDATORY REPAYMENT OBLIGATIONS

      SECTION 3.1 AMENDMENTS To SECTION 11.4(B)

      The Credit Agreement is hereby amended by replacing Section 11.4(b)
therewith the following:

      "(b)  an amount equal to 50% of the Excess Cash Flow for each fiscal year
            of the Borrower, if such Excess Cash Flow is greater than $250,000
            for such fiscal year, such payment to be made within 90 days after
            such fiscal year end;"

                                   ARTICLE 4.
                            MODIFICATION OF COVENANT

      SECTION 4.1 MODIFICATION OF EXCESS CASH FLOW MANDATORY REPAYMENT FOR 2004
                  FISCAL YEAR

      The Bank hereby does not require performance of the covenant of the
Borrower under Section 11.4(b) of the Credit Agreement with respect to the
payment of Excess Cash in reduction of the principal amount of the Loans
outstanding in respect of Facility B in respect of Telvent's 2004 fiscal year.

<PAGE>

                                                                          Page 4

                                   ARTICLE 5.
                         AMENDMENT TO NEGATIVE COVENANTS

5.1.1 The Credit Agreement is hereby amended by:

      (a)   deleting the word "and" from the end of subsection 14.4.10(e), and

      (b)   replacing the period at the end of subsection 14.4.10(f) with a
            semi-colon and the word "and", and

      (c)   adding subsection (g) to Section 14.4.10, as follows:

"(g)  subject to the terms of Section 14.4.13, Telvent Affiliate Indebtedness,
      provided that in the event Telvent shall be in default hereunder, such
      Telvent Affiliate Indebtedness shall be expressly subordinate to the
      payment in full in cash of the Obligations on terms satisfactory to the
      Bank."

5.1.2   The Credit Agreement is hereby amended by adding Section 14.4.13, as
        follows:

14.4.13 Investments in Telvent Affiliates - The Borrower shall not make any
        Investment in any Telvent Affiliate.

5.1.3   The Credit Agreement is hereby amended by adding Section 14.4.14, as
        follows:

14.4.14 Telvent Affiliate Indebtedness - Provided that it is not then in default
        hereunder, Telvent shall be permitted to borrow from time to time from
        all or any of the Telvent Affiliates, amounts in respect of the Telvent
        Affiliate Indebtedness, provided that the following conditions shall
        apply to each such borrowing, and Telvent covenants agrees that all such
        Telvent Affiliate Indebtedness shall be on terms and conditions as
        follows:

        (a)     the maximum aggregate amount outstanding as Telvent Affiliate
                Indebtedness shall not exceed US $4,000,000 at any time;

        (b)     no Lien shall be created or granted by Telvent or its
                Subsidiaries in favor of any Person to secure the repayment of
                the Telvent Affiliate Indebtedness;

        (c)     the proceeds of Telvent Affiliate Indebtedness shall only be
                added to Telvent's working capital, used to repay existing
                Telvent Affiliate Indebtedness or used to repay the Obligations
                hereunder; and

        (d)     all Telvent Affiliate Indebtedness shall be evidenced by one or
                more promissory notes which provide that if any acceleration of
                the Obligations under this Agreement shall occur, the
                obligations under such promissory note shall immediately become
                subordinated thereto without any election or action on the part
                of the holder of such note or the Bank.

<PAGE>

                                                                          Page 5

      5.1.4   The Credit Agreement is hereby amended by adding Section 14.4.15,
              as follows:

      14.4.15 Transactions with Telvent Affiliates - The Borrower will not, nor
              will it permit any Subsidiary to enter into or permit to exist any
              financial agreement or arrangement with any Telvent Affiliate
              unless such agreement or arrangement is on terms and conditions
              normal and customary for like agreements or arrangements with
              Persons that are not Telvent Affiliates or pursuant to any
              transaction required or expressly permitted by this Agreement.

                                   ARTICLE 6.
                         CREDIT AGREEMENT IF FULL FORCE

      SECTION 6.1 CREDIT AGREEMENT OTHERWISE UNAMENDED

      Except as specifically herein provided, the Credit Agreement remains
unamended and in full force and effect as at the date hereof.

      SECTION 6.2 AMENDMENT PURSUANT TO CREDIT AGREEMENT

      This Agreement constitutes an amendment within the meaning of Section
18.10 of the Credit Agreement.

                                   ARTICLE 7.
                                  MISCELLANEOUS

      SECTION 7.1 GOVERNING LAW

      This Agreement shall be conclusively deemed to be a contract made under,
and shall for all purposes be governed by and construed in accordance with the
laws of the Province of Alberta and the federal laws of Canada therein
applicable to contracts made in and to be wholly performed in such Province,
without prejudice to or limitation of any other rights or remedies available
under the laws of any jurisdiction where property or assets of the Borrower may
be found.

      SECTION 7.2 CONSENT TO JURISDICTION

      7.2.1 The Borrower hereby irrevocably submits to the jurisdiction of any
            Alberta court sitting in Calgary in any action or proceeding arising
            out of or relating to this Agreement and the Security Documents and
            hereby irrevocably agrees that all claims in respect of any such
            action or proceeding may be heard and determined in such Alberta
            court. The Borrower hereby consents to service upon it at its
            address set out in Section 18.2 of the Credit Agreement of copies of
            the statement of claim and any process issued in respect of any such
            action or proceeding. The Borrower agrees that a final judgment in
            any such action or proceeding shall be conclusive and may be
            enforced in other jurisdictions by suit on the judgment or in any
            other manner provided by law.

<PAGE>

                                                                          Page 6

      7.2.2 Nothing in this Section shall affect the right of the Bank to serve
            legal process in any other manner permitted by law or affect the
            right of the Bank to bring any action or proceeding against the
            Borrower or its property in the courts of other jurisdictions.

      SECTION 7.3 BENEFIT OF THE AGREEMENT

      This Agreement shall enure to the benefit of and be binding upon the
Borrower and the Bank, and their respective successors and permitted assigns.

      SECTION 7.4 SEVERABILITY

      Any provision of this Agreement which is prohibited or unenforceable in
any jurisdiction shall not invalidate the remaining provisions hereof and any
such prohibition or unenforceability in any jurisdiction shall not invalidate or
render unenforceable such provision in any other jurisdiction.

      SECTION 7.5 AMENDMENTS AND WAIVERS

      Except as otherwise specifically provided herein, any provision of this
Agreement may be amended only by the Borrower and the Bank in writing and may be
waived only if the Bank so agrees in writing. Any such waiver and any consent by
the Bank under any provision of this Agreement may be given subject to any
conditions thought fit by the Bank. Any waiver or consent shall be effective
only in the instance and for the purpose for which it is given.

      SECTION 7.6 BINDING EFFECT

      This Agreement shall become effective when it shall have been executed by
the Borrower and the Bank and thereafter shall be binding upon and enure to the
benefit of the Borrower and the Bank and their respective successors and
assigns. The Borrower shall not assign its rights and obligations hereunder or
any interest herein without the prior consent of all the Bank.

      SECTION 7.7 TIME OF THE ESSENCE

      Time shall be of the essence of this Agreement.

      SECTION 7.8 COUNTERPARTS

      This Agreement may be executed in any number of counterparts, each of
which shall be deemed to be an original and all of which taken together shall be
deemed to constitute one and the same instrument, and it shall not be necessary
in making proof of this Agreement to produce or account for more than one such
counterpart.

<PAGE>

                                                                          Page 7

      IN WITNESS WHEREOF the Parties hereto have duly executed this Agreement as
of the date first above written.

TELVENT CANADA LTD.                   LASALLE BUSINESS CREDIT, A DIVISION OF ABN
                                      AMRO BANK N.V., CANADA BRANCH

By: /s/ Steve Aasen                   By: /s/ James Bruce
    --------------------------            -------------------------------------
Name: Steve Aasen                     Name: James Bruce

Title: CFO Telvent Canada Ltd.        Title:
                                            ___________________________________

By: /s/ Cameron Demcoe                By: /s/ Darcy Mack
    --------------------------            -------------------------------------
Name: Cameron G. Demcoe               Name: Darcy Mack

Title: Corporate Secretary            Title: V.P. Asset Based Lending

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