Document:

<PAGE>

                                                                   EXHIBIT 10.14

                               FIRST AMENDMENT TO

                                SUBORDINATION AND

                             INTERCREDITOR AGREEMENT

     Amendment dated as of June 28, 2001 by and among the parties whose names
appear below (this "Amendment") to a certain Intercreditor Agreement (as defined
below).  Unless otherwise defined below, capitalized terms used in this
Agreement shall have the respective meanings set forth in the Intercreditor
Agreement.

                                    RECITALS

     WHEREAS, the Original Parties entered into the Intercreditor Agreement in
connection with a Loan Agreement dated as of September 26, 1997, as amended to
date, among the Bank and Lionbridge Technologies Holdings, B.V. and Lionbridge
Technologies, B.V. (together, the "Dutch Companies") which Loan Agreement
provided for certain revolving credit facilities to the Dutch Companies (the
"Existing Credit Facilities"); and

     WHEREAS, the Dutch Companies and certain affiliates thereof now wish the
Bank to provide certain new revolving credit facilities (the "New Credit
Facilities"); and

     WHEREAS, the Bank is willing to provide the New Credit Facilities upon the
terms set forth in the Loan Documents (as defined below) relating to such New
Credit Facilities and on the further condition that the Original Parties and the
Additional Parties enter into this Amendment in order to confirm that the terms
of subordination between the Bank and the Purchasers set forth in the
Intercreditor Agreement apply to such New Credit Facilities; and

     NOW, THEREFORE, in consideration of the foregoing premises and the
covenants contained herein, and for other good and valuable consideration, the
receipt of which is hereby acknowledged, the parties agree as follows:

Section 1.  Definitions.

     As used in this Amendment, capitalized terms used in this Amendment shall
have the respective meanings set forth in the Intercreditor Agreement, except as
otherwise defined above and except the following capitalized terms shall have
the following respective meanings:

          "Additional Parties" means Lionbridge Technologies Ireland, INT'L.com,
     Inc., International Language Engineering Corporation, Harvard Translations,
     Inc. and Lionbridge Technologies California, Inc.

          "Intercreditor Agreement" means that certain Subordination and
     Intercreditor Agreement dated as of March 9, 1999 by and among the Original
     Parties.
<PAGE>

          "Original Parties" means the parties to the Intercreditor Agreement
     including the Bank, the Purchasers and the Dutch Companies.

Section 2.  Amendment of Intercreditor Agreement.
            ------------------------------------

            a. The definition of "Borrowers" appearing in the first whereas
clause on page one of the Intercreditor Agreement is hereby amended and restated
in its entirety as follows: "'Borrowers' shall mean (a) the Domestic Borrowers
(as defined below) and (b) the Foreign Borrowers (as defined below)."

            b. The definition of "Loan Documents" set forth in the Intercreditor
Agreement is hereby amended and restated in its entirety as follows:

          "Loan Documents shall mean (a) the Loan Agreement dated as of June 28,
     2001 by and among the Bank and the Dutch Companies and Lionbridge
     Technologies Ireland (together, the "Foreign Borrowers") and (b) that
     certain Loan and Security Agreement dated as of June 28, 2001 by and among
     the Bank and Int'l.com, Inc.,  International Language Engineering
     Corporation, Harvard Translations, Inc. and Lionbridge Technologies
     California, Inc. (the "Domestic Borrowers"), in each case together with all
     related instruments, promissory notes, security documents, guarantees and
     any other related documents, as the same may be amended, modified,
     supplemented or restated from time to time."

            c. There is hereby inserted at the end of the second paragraph of
Section 2.5 the words "shall be permitted".

            d. There is hereby inserted at the end of Section 2.5 the following
new paragraph:

    "Notwithstanding anything contained in this Section 2 or in Section 4 to the
    contrary on or about December 15, 2001, the Company may make a single, final
    payment of all outstanding obligations with respect to the Subordinated
    Liabilities and LTHI may make a single, final payment of its outstanding
    subordinated indebtedness to the Purchasers under the US Purchase Agreement,
    provided that (A) no Event of Default shall have occurred and be continuing
    at such time or be reasonably expected to arise therefrom; (B) such payment
    together with any contemporaneous payment of subordinated indebtedness of
    LTHI does not exceed $1,000,000 in the aggregate, and (C) no proceeds of any
    advance or loan under the Loan Documents is used for such purpose, and
    provided further that the provisions of this sentence are not intended and
    shall not constitute a waiver on the part of the Bank or an amendment with
    respect to any other restriction imposed by the Bank on the Borrower or LTHI
    with regard to prohibited payments of any other subordinated indebtedness."

            e. In connection with the termination of the Bank Foreign Guaranties
and the Bank US Guaranties in conjunction with the termination of the Existing
Credit Facilities, the

                                      -2-
<PAGE>

captions and text under Sections 4.1 and 4.2 of the Intercreditor Agreement are
hereby deleted and there is hereby inserted after each Section the words "Not
Utilized."

            f. Section 4.3 of the Intercreditor Agreement is hereby amended by
inserting at the end of such section the following additional sentence:

     "In addition to the foregoing, the term "Permitted Payments" shall include
     any other payments of expenses and liabilities of LTHI in the ordinary
     course of business or any advances by LTHI to any of its Subsidiaries in
     the ordinary course of business, but in each case only to the extent that
     such payments or advances would not have a material adverse effect on the
     Borrowers or LTHI or on the prospect of repayment of the liabilities of the
     Borrowers to the Bank under the Loan Documents or on the prospect of
     satisfaction of the obligations of LTHI to the Bank under any guaranty on
     its part of the obligations of the Borrowers to the Bank, provided,
     however, for purposes of this sentence, the foregoing shall in no event
     include any payments in respect of the Subordinated Liabilities or other
     subordinated indebtedness of LTHI or the Company which matters are, for
     purposes of the definition of "Permitted Payments" herein, addressed
     exclusively by the second sentence of this Section 4.3."

            g. Section 4.5 of the Intercreditor Agreement is hereby amended and
restated in its entirety as follows:

          "4.5  Additional Guarantees.  Subject to the provisions of the last
     sentence of this Section 4.5, the Senior Lender consents to the right of
     the Purchasers under the Purchase Agreement and the US Purchase Agreement,
     to require, in each case, any newly formed or acquired subsidiary of the
     Company or LTHI to execute and deliver a guarantee to such party on
     substantially the same terms as the guarantees previously delivered in
     connection with such documents (collectively, the "Additional Guarantees").
     The Purchasers, the Senior Lender, the Company and LTHI agree that in the
     event any Additional Guarantee is required by the Purchasers as
     contemplated by the preceding sentence, Additional Guarantees on
     substantially the same terms shall be executed and delivered
     contemporaneously to the Senior Lender."

Section 3.  Confirmation of Subordination, etc.

     The parties confirm that the terms of the Intercreditor Agreement
(including, without limitation the provisions therein relating to subordination
and the restrictions on distributions) shall apply to the New Credit Facilities
evidenced by the Loan Documents on the same basis as such terms applied to the
Existing Credit Facilities, notwithstanding the fact that the structure of the
New Credit Facilities is different from the Existing Credit Facilities in that,
among other things, the New Credit Facilities are comprised of two separate
credit facilities, one for the Foreign Borrowers and one for the Domestic
Borrowers, and that certain affiliates of the Dutch Companies (some of which
were guarantors under the Existing Credit Facilities) are borrowers under the
New Credit Facilities.  Lionbridge Technologies, Inc. (formerly Lionbridge

                                      -3-
<PAGE>

Technologies Holdings, Inc.), which issued its Senior Subordinated Notes to the
Purchasers, is entering into this Agreement in connection with its guaranty of
the New Credit Facilities.

Section 4.  Joinder of Additional Parties.

     The Additional Parties shall as of the date first written above each become
party to and bound by the terms of the Subordination Agreement as amended
hereby.

Section 5.  Miscellaneous.

     Except as amended hereby, the Subordination Agreement shall remain in full
force and effect.  This Amendment may be executed in any number of counterparts
and by different parties hereto in separate counterparts, each of which when so
executed and delivered shall be deemed an original, and all of which
counterparts taken together shall constitute one and the same instrument.

                  [Remainder of Page Intentionally Left Blank]

                                      -4-
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement under
seal as of the date first above written.

                         ORIGINAL PARTIES:

                         SILICON VALLEY BANK

                         BY:  /s/ John D. Gaziano, Jr.
                            --------------------------
                            Name:
                            Title:

                         MORGAN STANLEY VENTURE INVESTORS

                            ANNEX, L.P.

                         BY:  MORGAN STANLEY VENTURE PARTNERS
                              II, L.P., its General Partner

                            By:   MORGAN STANLEY VENTURE CAPITAL
                                   II, INC., Managing General Partner

                                  By:  /s/ Guy L. de Chazal
                                       --------------------
                                     Name:  Guy L. de Chazal
                                     Title:  Chief Executive Officer

                         MORGAN STANLEY VENTURE CAPITAL FUND II
                            ANNEX, L.P.,

                            By: MORGAN STANLEY VENTURE CAPITAL
                                 II, L.P., its General Partner

                                 By: MORGAN STANLEY VENTURE
                                       CAPITAL II, INC., Managing General
                                       Partner

                            By:      /s/ Guy L. de Chazal
                                     --------------------
                                     Name:  Guy L. de Chazal
                                     Title:  Chief Executive Officer

                                      -5-
<PAGE>

                         LIONBRIDGE TECHNOLOGIES HOLDINGS, B.V.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES, B.V.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES, INC.

                         (f/k/a Lionbridge Technologies Holdings, Inc.)

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES IRELAND

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES CALIFORNIA, INC.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE AMERICA, INC.

                         (f/k/a Lionbridge Technologies, Inc.)

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                                      -6-
<PAGE>

                         LIONBRIDGE K.K.

                         (f/k/a Lionbridge Japan K.K.)

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         JAPANESE LANGUAGE SERVICES, INC.

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES SARL

                         (f/k/a Lionbridge Technologies (France)

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         ADDITIONAL PARTIES:

                         INT'L.com, INC.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         INTERNATIONAL LANGUAGE ENGINEERING
                           CORPORATION

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                                      -7-
<PAGE>

                         HARVARD TRANSLATIONS, INC.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:
                              Title:

                                      -8-<PAGE>

                                                                   EXHIBIT 10.15

                               FIRST AMENDMENT TO

                                SUBORDINATION AND

                             INTERCREDITOR AGREEMENT

     Amendment dated as of June 28, 2001 by and among the parties whose names
appear below (this "Amendment") to a certain Intercreditor Agreement (as defined
below).  Unless otherwise defined below, capitalized terms used in this
Agreement shall have the respective meanings set forth in the Intercreditor
Agreement.

                                    RECITALS

     WHEREAS, the Original Parties entered into the Intercreditor Agreement in
connection with a Loan Agreement dated as of September 26, 1997, as amended to
date, among the Bank and Lionbridge Technologies Holdings, B.V. and Lionbridge
Technologies, B.V. (together, the "Dutch Companies") which Loan Agreement
provided for certain revolving credit facilities to the Dutch Companies (the
"Existing Credit Facilities"); and

     WHEREAS, the Dutch Companies and certain affiliates thereof now wish the
Bank to provide certain new revolving credit facilities (the "New Credit
Facilities"); and

     WHEREAS, the Bank is willing to provide the New Credit Facilities upon the
terms set forth in the Loan Documents (as defined below) relating to such New
Credit Facilities and on the further condition that the Original Parties and the
Additional Parties enter into this Amendment in order to confirm that the terms
of subordination between the Bank and the Purchaser set forth in the
Intercreditor Agreement apply to such New Credit Facilities; and

     NOW, THEREFORE, in consideration of the foregoing premises and the
covenants contained herein, and for other good and valuable consideration, the
receipt of which is hereby acknowledged, the parties agree as follows:

Section 6.   Definitions.

     As used in this Amendment, capitalized terms used in this Amendment shall
have the respective meanings set forth in the Intercreditor Agreement, except as
otherwise defined above and except the following capitalized terms shall have
the following respective meanings:

          "Additional Parties" means Lionbridge Technologies Ireland, INT'L.com,
     Inc., International Language Engineering Corporation, Harvard Translations,
     Inc. and Lionbridge Technologies California, Inc.

          "Intercreditor Agreement" means that certain Subordination and
     Intercreditor Agreement dated as of February 26, 1999 by and among the
     Original Parties.
<PAGE>

          "Original Parties" means the parties to the Intercreditor Agreement
     including the Bank, the Purchaser and the Dutch Companies.

Section 7.  Amendment of Intercreditor Agreement.
            ------------------------------------

            a. The definition of "Borrowers" appearing in the first whereas
clause on page one of the Intercreditor Agreement is hereby amended and restated
in its entirety as follows:

            ""Borrowers" shall mean (a) the Domestic Borrowers (as defined
below) and (b) the Foreign Borrowers (as defined below)."

            b. The definition of "Loan Documents" set forth in the Intercreditor
Agreement is hereby amended and restated in its entirety as follows:

          "Loan Documents shall mean (a) the Loan Agreement dated as of June 28,
     2001 by and among the Bank and the Dutch Companies and Lionbridge
     Technologies Ireland (together, the "Foreign Borrowers") and (b) that
     certain Loan and Security Agreement dated as of June 28, 2001 by and among
     the Bank and Int'l.com, Inc.,  International Language Engineering
     Corporation, Harvard Translations, Inc. and Lionbridge Technologies
     California, Inc. (the "Domestic Borrowers"), in each case together with all
     related instruments, promissory notes, security documents, guarantees and
     any other related documents, as the same may be amended, modified,
     supplemented or restated from time to time."

            c. There is hereby inserted at the end of the second paragraph of
Section 2.5 the words "shall be permitted".

            d. In connection with the termination of the Bank Foreign Guaranties
and the Bank US Guaranties in conjunction with the termination of the Existing
Credit Facilities, the captions and text under Sections 4.1 and 4.2 of the
Intercreditor Agreement are hereby deleted and there is hereby inserted after
each Section the words "Not Utilized."

            e. Section 4.3 of the Intercreditor Agreement is hereby amended by
inserting at the end of such section the following additional sentence:

     "In addition to the foregoing, the term "Permitted Payments" shall include
     any other distributions, payments, advances or other transfers among LTHI
     and the Subsidiaries in the ordinary course of business, but in each case
     only to the extent that such distributions, payments, advances or other
     transfers would not have a material adverse effect on the Borrowers or LTHI
     or on the prospect of repayment of the liabilities of the Borrowers to the
     Bank under the Loan Documents or on the prospect of satisfaction of the
     obligations of LTHI to the Bank under any guaranty on its part of the
     obligations of the Borrowers to the Bank, provided, however, for purposes
     of this sentence, the foregoing shall in no event include any payments in
     respect of the Subordinated Liabilities or other subordinated indebtedness
     of LTHI or the Company which matters are, for purposes of the

                                       2
<PAGE>

     definition of "Permitted Payments" herein, addressed exclusively by the
     second sentence of this Section 4.3."

            f. Section 4.5 of the Intercreditor Agreement is hereby amended and
restated in its entirety as follows:

          "4.5  Additional Guarantees.  Subject to the provisions of the last
     sentence of this Section 4.5, the Senior Lender consents to the right of
     the Purchaser under the Purchase Agreement and the US Purchase Agreement,
     to require, in each case, any newly formed or acquired subsidiary of the
     Company or LTHI to execute and deliver a guarantee to such party on
     substantially the same terms as the guarantees previously delivered in
     connection with such documents (collectively, the "Additional Guarantees").
     The Purchaser, the Senior Lender, the Company and LTHI agree that in the
     event any Additional Guarantee is required by the Purchaser as contemplated
     by the preceding sentence, Additional Guarantees on substantially the same
     terms shall be executed and delivered contemporaneously to the Senior
     Lender."

Section 8.  Confirmation of Subordination, etc.

     The parties confirm that the terms of the Intercreditor Agreement
(including, without limitation the provisions therein relating to subordination
and the restrictions on distributions) shall apply to the New Credit Facilities
evidenced by the Loan Documents on the same basis as such terms applied to the
Existing Credit Facilities, notwithstanding the fact that the structure of the
New Credit Facilities is different from the Existing Credit Facilities in that,
among other things, the New Credit Facilities are comprised of two separate
credit facilities, one for the Foreign Borrowers and one for the Domestic
Borrowers, and that certain affiliates of the Dutch Companies (some of which
were guarantors under the Existing Credit Facilities) are borrowers under the
New Credit Facilities.  Lionbridge Technologies, Inc. (formerly Lionbridge
Technologies Holdings, Inc.), which issued its Senior Subordinated Notes to the
Purchaser, is entering into this Agreement in connection with its guaranty of
the New Credit Facilities.

Section 9.  Joinder of Additional Parties.

     The Additional Parties shall as of the date first written above each become
party to and bound by the terms of the Subordination Agreement as amended
hereby.

Section 10.  Miscellaneous.

     Except as amended hereby, the Subordination Agreement shall remain in full
force and effect.  This Amendment may be executed in any number of counterparts
and by different parties hereto in separate counterparts, each of which when so
executed and delivered shall be deemed an original, and all of which
counterparts taken together shall constitute one and the same instrument.

                  [Remainder of page intentionally left blank]

                                       3
<PAGE>

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement under
seal as of the date first above written.

                         ORIGINAL PARTIES:

                         SILICON VALLEY BANK

                         BY:  /s/ John D. Gaziano, Jr.
                            --------------------------
                                   Name:
                                   Title:

                         CAPITAL RESOURCE LENDERS III, L.P.,

                         BY:  CAPITAL RESOURCE PARTNERS III,
                                   L.L.C., its General Partner

                         By:  /s/ Stephen M. Jenks
                            ----------------------
                                   Stephen M. Jenks, Managing Member

                         LIONBRIDGE TECHNOLOGIES HOLDINGS, B.V.

                         BY:  /s/ Rory J. Cowan
                            -------------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES, B.V.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES, INC.

                         (f/k/a Lionbridge Technologies Holdings, Inc.)

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                                       4
<PAGE>

                         LIONBRIDGE TECHNOLOGIES IRELAND

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE TECHNOLOGIES CALIFORNIA, INC.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE AMERICA, INC.

                         (f/k/a Lionbridge Technologies, Inc.)

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         LIONBRIDGE K.K.

                         (f/k/a Lionbridge Japan K.K.)

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         JAPANESE LANGUAGE SERVICES, INC.

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                                       5
<PAGE>

                         LIONBRIDGE TECHNOLOGIES SARL

                         (f/k/a Lionbridge Technologies (France)

                         By:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         ADDITIONAL PARTIES:

                         INT'L.com, INC.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         INTERNATIONAL LANGUAGE ENGINEERING
                           CORPORATION

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                         HARVARD TRANSLATIONS, INC.

                         BY:  /s/ Rory J. Cowan
                              -----------------
                              Name:  Rory J. Cowan
                              Title:  Chairman, CEO and President

                                       6

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