NEWBRIDGE NETWORKS CORP
SC 13D, 2000-03-03
TELEPHONE & TELEGRAPH APPARATUS
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<PAGE>   1

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549



                                  SCHEDULE 13D

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                             (AMENDMENT NO. _____)*



                         NEWBRIDGE NETWORKS CORPORATION
________________________________________________________________________________
                                (Name of Issuer)

                           COMMON SHARES, NO PAR VALUE
________________________________________________________________________________
                         (Title of Class of Securities)

                                    650901101
________________________________________________________________________________
                                 (CUSIP Number)

     PASCAL DURAND-BARTHEZ; ALCATEL, 54, RUE LA BOETIE, 75008 PARIS, FRANCE
                               011-331-40-76-10-10
________________________________________________________________________________
                 (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                FEBRUARY 22, 2000
________________________________________________________________________________
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g) check the following box
[ ]

Note:  Schedules filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits.  See Rule 13d-7 for other
parties to whom copies are to be sent.

*  The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which would
alter disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).





<PAGE>   2


                                  SCHEDULE 13D
                              CUSIP No. 650901101
    ____________________________________________________________________________

    1  NAME OF REPORTING PERSONS
       Alcatel
       S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS
       Not applicable
    ____________________________________________________________________________

    2  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (A) [ ]
                                                         (B) [X]
    ____________________________________________________________________________

    3  SEC USE ONLY
    ____________________________________________________________________________

    4  SOURCE OF FUNDS*
       WC
    ____________________________________________________________________________

    5  CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
       PURSUANT TO ITEMS 2(D) OR 2(E) [ ]
    ____________________________________________________________________________

    6  CITIZENSHIP OR PLACE OF ORGANIZATION
       France
    ____________________________________________________________________________

       NUMBER OF         7          SOLE VOTING POWER
       SHARES                       0(1)
       BENEFICIALLY                 ____________________________________________
       OWNED BY          8          SHARED VOTING POWER
       EACH                         39,710,908(2)
       REPORTING
       PERSON WITH                  ____________________________________________
                         9          SOLE DISPOSITIVE POWER
                                    0(3)
                                    ____________________________________________
                         10         SHARED DISPOSITIVE POWER
                                    38,710,908 (4)
    ____________________________________________________________________________

    11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
       39,710,908
    ____________________________________________________________________________

    12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN
       SHARES*                                                           [X]
    ____________________________________________________________________________

    13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
       22%
    ____________________________________________________________________________

    14 TYPE OF REPORTING PERSON*
       CO
    ____________________________________________________________________________




<PAGE>   3




                      *SEE INSTRUCTIONS BEFORE FILLING OUT!
          INCLUDE BOTH SIDES OF THE COVER PAGE, RESPONSES TO ITEMS 1-7
      (INCLUDING EXHIBITS) OF THE SCHEDULE, AND THE SIGNATURE ATTESTATION.



                     Footnotes to Cover Page of Schedule 13D

(1) Alcatel entered into an Option Agreement dated February 22, 2000 (the
"Option Agreement") with Newbridge Networks Corporation (the "Issuer") regarding
an option (the "Option") to purchase up to 36,183,000 Newbridge common shares
(the "Option Shares").  This Option may only be exercised upon the happening of
certain events referred to in Item 4, none of which has occurred as of the date
hereof.  In addition, Alcatel may not vote any of the Option Shares that Alcatel
may acquire upon exercise of the Option in favor of the proposed transaction
between Alcatel and the Issuer or against any Acquisition Proposal (as defined
in the Merger Agreement described below) unless certain of the voting
obligations in that certain voting agreement with Terence Matthews and his
associated corporations are no longer applicable due to certain changes in
Canadian tax laws.  Alcatel expressly disclaims beneficial ownership of any of
the Option Shares which are purchasable by Alcatel upon exercise of the Option
until such time as Alcatel purchases such Option Shares.

(2) The Issuer common shares covered by (8) of the cover page of this Schedule
13D are subject to a voting agreement with certain shareholders of the Issuer,
as described in Item 4 of this Schedule 13D.

(3) See footnote (1) above.

(4) See footnote (2) above.





<PAGE>   4





                            STATEMENT ON SCHEDULE 13D
                             PURSUANT TO RULE 13D-1
                                    UNDER THE
                   SECURITIES EXCHANGE ACT OF 1934, AS AMENDED


ITEM 1. SECURITY AND ISSUER

The class of equity securities to which this Schedule 13D relates is the Common
Shares, no par value per share (the "Common Shares"), of Newbridge Networks
Corporation (the "Issuer" or "Newbridge").  The principal executive office of
the Issuer is located at 600 March Road, Kanata, Ontario, Canada K2K 2E6.

ITEM 2. IDENTITY AND BACKGROUND

This statement is being filed by Alcatel (the "Reporting Person" or "Alcatel"),
a French corporation engaged in the business of providing telecommunications
equipment and systems.  Its principal executive office and principal business
address is 54, rue La Boetie, 75008 Paris, France.

Information as to each executive officer and director of Alcatel is set forth
on Schedule A hereto and is incorporated herein by reference.  During the last
five years, neither the Reporting Person nor, to the knowledge of the Reporting
Person, any person named in Schedule A hereto has been convicted in any
criminal proceeding (excluding traffic violations or similar misdemeanors); nor
has the Reporting Person, or to the knowledge of the Reporting Person, any
person named in Schedule A hereto, been a party to a civil proceeding of a
judicial or administrative body of competent jurisdiction and as a result of
such proceeding was or is subject to a judgment, decree or final order
enjoining future violations of, or prohibiting or mandating activities subject
to, federal or state securities laws or finding any violations with respect to
such laws.

ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION

The Option Agreement was entered into by Newbridge as an inducement to
Alcatel's entering into that certain merger agreement dated February 22, 2000
(the "Merger Agreement") between the parties.   None of the triggering events
(described in Item 4 below) permitting the exercise of the Option has occurred
as of the date hereof.  In the event that the Option becomes exercisable and
Alcatel wishes to purchase the Option Shares subject thereto, Alcatel
anticipates that it would either take advantage of the cashless exercise
feature provided in the Option Agreement or fund the purchase of such Option
Shares with working capital or through other financing sources available to
Alcatel at the time of exercise.




<PAGE>   5





In consideration of Alcatel entering into the Merger Agreement and agreeing to
participate in the plan of arrangement involving the Issuer, Terence Matthews
and his associated corporations (the "Shareholders") entered into a voting
agreement dated February 22, 2000 (the "Voting Agreement") with Alcatel.
The Option Agreement and the Voting Agreement were entered into by Alcatel in
order to enhance the likelihood of a successful completion of its proposed
acquisition of Newbridge.

ITEM 4. PURPOSE OF TRANSACTION

Upon the consummation of the transactions contemplated by the Merger Agreement,
Alcatel will  acquire control of the Issuer in exchange for roughly $7.1
billion in Alcatel American Depositary Shares ("ADSs") or shares to be issued
by the Issuer which are exchangeable for ADSs.  The closing is conditioned
upon, among other things, obtaining the requisite shareholder approvals,
regulatory approvals and Canadian court approval.

Pursuant to the Voting Agreement, the Shareholders agreed, among other things,
to vote or cause to be voted all of their Common Shares (i) in favor of the
proposed transactions contemplated by the Merger Agreement or (ii) against any
action that would impede or discourage such transactions.  The Shareholders
shall be relieved of their obligation to vote as described in (i) of the
previous sentence if certain changes in Canadian tax laws were to occur. In
addition, each Shareholder agreed not to sell, transfer, gift, assign, pledge,
hypothecate, encumber or otherwise dispose of, or grant any proxy or consent
with respect to, any of his or its Common Shares at any time prior to the
termination of the Merger Agreement, except that (i) up to a maximum of
1,000,000 Common Shares (less half of the number which are pledged pursuant to
(ii) below) may be sold; (ii) up to a maximum of 2,000,000 Common Shares (less
two times the number that are sold pursuant to (i) above) may be pledged to
secure a loan; and (iii) the Common Shares may be transferred to affiliates in
order to facilitate transactions contemplated by the Merger Agreement.  As of
February 22, 2000, the Shareholders owned 39,710,908 Common Shares which were
subject to the Voting Agreement.

The descriptions contained in this Item 4 of the Merger Agreement and the Voting
Agreement are qualified in their entirety by reference to the full text of such
agreements which are incorporated by reference herein and are filed as Exhibits
1 and 2, respectively, hereto.

Pursuant to the Option Agreement, Newbridge granted Alcatel an irrevocable
option (the "Option") to purchase up to 36,183,000 Common Shares for Cdn.
$50.60 per share



<PAGE>   6




(the "Option Shares").  The Option may be exercised by Alcatel in the event the
Merger Agreement is terminated by Alcatel or Newbridge for one of a limited
number of reasons, including the failure of  Newbridge to secure shareholder
approval of the transaction and an Acquisition Proposal (as defined in the
Merger Agreement) having been made prior to the Newbridge shareholder meeting.
In addition, Alcatel may not vote any of the Option Shares that Alcatel may
acquire upon exercise of the Option in favor of the proposed transaction between
Alcatel and the Issuer or against any Acquisition Proposal (as defined in the
Merger Agreement) unless the Shareholders are relieved of certain of their
voting obligations set forth in the Voting Agreement, as described above.
Furthermore, Alcatel is limited by both the Merger Agreement and the Option
Agreement to receive only $375 million as a "break-up fee" and has agreed, at
Alcatel's discretion: (1) to reduce the number of shares subject to the Option;
(2) to deliver to Newbridge for cancellation Option Shares previously purchased
upon exercise of the Option; (3) to pay cash to Newbridge; or (4) any
combination of 1-3, so long as Alcatel does not retain the benefit of more than
$375 million.  Based on the foregoing, Alcatel disclaims beneficial ownership of
the 36,183,000 Common Shares subject to the Option until such time as it
purchases such Option Shares until such time as it purchases such Option Shares.

The description contained in this Item 4 of the transactions contemplated by
the Option Agreement is qualified in its entirety by reference to the full text
of the Option Agreement which is incorporated by reference herein and is filed
as Exhibit 3 hereto.

As part of a plan of arrangement to be approved by a Canadian court to affect
the transactions contemplated by the Merger Agreement, the Issuer will
reorganize its share capital to provide for exchangeable shares and the
elimination of its preferred shares.  As part of the Plan of Arrangement, upon
the effective time of the transaction, shareholders of the Issuer will exchange
their existing Newbridge Common Shares for the Issuer's exchangeable shares
(which will be exchangeable into Alcatel ADSs) if requested by the shareholder,
or for Alcatel ADSs.  Newbridge Common Shares will no longer be traded on a
national securities exchange and will only be held by a subsidiary of Alcatel.

ITEM 5. INTEREST IN SECURITIES OF THE ISSUER

As a result of the Voting Agreement, Alcatel has shared voting power to vote an
aggregate of 39,710,908 Common Shares for the limited purposes described in
Item 4 above, and such shares constitute approximately 22% of the issued and
outstanding Newbridge Common Shares as of February 22, 2000.

The number of Common Shares covered by the Option Agreement is equal to
36,183,000, which constitutes approximately 19.9% of the issued and outstanding
Common Shares as of February 22, 2000.  The Option may only be exercised upon
the




<PAGE>   7




happening of certain events referred to in Item 4, none of which has occurred
as of the date hereof.  In addition, Alcatel's rights to vote any of the Option
Shares are limited as described in Item 4.  Alcatel expressly disclaims
beneficial ownership of any of the Option Shares which are purchasable by
Alcatel upon exercise of the Option until such time as Alcatel purchases such
Option Shares.


To the knowledge of the Reporting Person, no person named on Schedule A hereto
beneficially owns any Common Shares.  No transactions in Common Shares have
been effected in the past 60 days by the Reporting Person, or to the knowledge
of the Reporting Person, by any person named on Schedule A hereto.

ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT
        TO SECURITIES OF THE ISSUER

See Items 3 and 4 above for a description of the Merger Agreement, the Voting
Agreement and the Option Agreement.

Except as disclosed in this statement or the documents referred to herein,
there are no contracts, arrangements, understandings or relationships (i)
between the Reporting Person and any other person with respect to the
securities of Newbridge or (ii) to the knowledge of the Reporting Person, among
the persons named on Schedule A hereto or between such persons and any other
person with respect to any securities of Newbridge.

ITEM 7. MATERIAL TO BE FILED AS EXHIBITS

1. Merger Agreement, dated February 22, 2000.

2. Voting Agreement, dated February 22, 2000 and
Amendment No. 1 dated March 3, 1999.

3. Option Agreement, dated February 22, 2000.
<PAGE>   8





                                   SIGNATURE

     After reasonable inquiry and to the best of the undersigned's knowledge
and belief, the undersigned certifies that the information set forth in this
statement is true, complete and correct.


                                             Alcatel



        3 March 2000                 By:  /s/  Jean-Pierre Halbron
- ------------------------------            ---------------------------------
            Date                          Name:  Jean-Pierre Halbron
                                          Title: Senior Executive Vice President




<PAGE>   9





                                   Schedule A

     The name, current business address, present principal occupation or
employment and citizenship of each director and executive officer of Alcatel is
set forth below.  Unless otherwise indicated, the current business address of
each person is 54, rue La Boetie, 75008 Paris, France.  Unless otherwise
indicated, each such person is a citizen of France and each occupation set
forth opposite such individual's name refers to employment with Alcatel.

DIRECTORS

     SERGE TCHURUK            Chairman and Chief Executive Officer of Alcatel.

     DANIEL BERNARD           Chairman and Chief Executive Officer of Carrefour,
France's largest hypermarket network located at 6, avenue Raymond Poincare, B.P.
419.16, 75769 Paris Cedex 16, France.

     PHILIPPE BISSARA         Managing Director of ANSA (Association Nationale
des Societes par Actions), a legal consulting and lobbying organization located
at 15, Place du General Catroux, 75017 Paris, France.

     FRANK BLOUNT             Director of Alcatel USA, Inc. An American citizen.

     PAOLO CANTARELLA         Managing Director of Fiat S.p.A., an Italian
automobile manufacturer located at 250, via Nizza, 10126 Turin, Italy.  An
Italian citizen.

     JACQUES FRIEDMANN        Chairman of the Supervisory Board of AXA, a French
insurance company located at 9, place Vendome, 75001 Paris, France.

     NOEL GOUTARD             Chairman and Chief Executive Officer of Valeo, a
company which designs and manufacturers components for both the original
equipment and aftermarket segments of the automotive industry, located at 43,
rue Bayen, 75848 Paris Cedex 17, France.

     JEAN-PIERRE HALBRON      Senior Executive Vice President of Alcatel.

     PIERRE-LOUIS LIONS       Professor at the University of Paris IX -
Dauphine, located at Place du Marechal de Lattre de Tassigny, 75775 Paris Cedex
16, France and at the Ecole Polytechnique, located at 91128 Palaiseau Cedex,
France.  Member of the French Academy of Science (Section de mathematiques).




<PAGE>   10





     THIERRY DE LOPPINOT      Legal Counsel at Alcatel Headquarters.

     JEAN-MARIE MESSIER       Chairman and Chief Executive Officer of Vivendi, a
                              French conglomerate, located at 42 Avenue de
                              Friedland, 75008 Paris, France.

     BRUNO VAILLANT           Engineer in charge of scientific information at
                              Alcatel Space Industries, located at 26, avenue
                              Champollion, BP 1187, 31037 Toulouse Cedex 1,
                              France.

     MARC VIENOT              Honorary Chairman and Director of Societe
                              Generale, a large commercial bank in France,
                              located at Tour Societe Generale, 92972 Paris La
                              Defense Cedex, France.

     HELMUT WERNER            Chairman of the Supervisory Board of Expo 2000
                              Hannoverg GmbH, located at Atlantic Business
                              Center, Eugstlatter Weg 18, D-70567 Stuttgart
                              (Mohringan), Germany. A German citizen.


EXECUTIVE OFFICERS

     SERGE TCHURUK            See above

     JEAN-PIERRE HALBRON      See above


     GERARD HAUSER            President of Alcatel Cables and Components.

     KRISH PRABHU             Chief Operating Officer of Alcatel Telecom and
                              President and Chief Executive Officer of Alcatel
                              USA, Inc., located at 1000 Coit Road, Plano, Texas
                              75075. An American citizen.

     MICHEL LEMAIRE           Chief Executive Officer of Metallurgy Division.
                              His business address is Alcatel, 30 rue Pierre
                              Beregovoy, BP 309 92111 Clichy, Cedex, France.

     MARTIN DE PRYCKER        Chief Technology Officer of Alcatel.
                              His business address is Alcatel Bell Telephony,
                              Excelsiorlaan 67-69, 1930 Zaventem, Belgium
                              A Belgian citizen.

     OLIVIER HOUSSIN          Executive Vice President of Alcatel Telecom

     JULIEN DE WILDE          Executive Vice President of Alcatel Telecom.
                              A Belgian citizen.

     YVON RAAK                Chief Executive Officer of Telecom Products
                              Division

     JORG SELLNER             Chief Executive Officer of Components Division.
                              His business address is Alcatel Deutschland
                              GmbH, Lorenzstr, 10, 70435 Stuttgart, Germany.
                              An Austrian citizen.

     BRUNO THOMAS             Chief Executive Officer of Energy Division

     GREGOIRE OLIVIER         Chief Executive Officer of Batteries Division.
                              His business address is Saft, 156 avenue de Metz,
                              93230 Romainville, France


<PAGE>   1








                                     ALCATEL

                                  as "ALCATEL"



                                       and



                         NEWBRIDGE NETWORKS CORPORATION

                                 as "NEWBRIDGE"




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


                                MERGER AGREEMENT

                                February 22, 2000


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















<PAGE>   2




                                TABLE OF CONTENTS


                                    ARTICLE 1
                                 INTERPRETATION

Section 1.1       Definitions.................................................1
Section 1.2       Interpretation Not Affected by Headings, etc................9
Section 1.3       Currency....................................................9
Section 1.4       Number, etc.................................................9
Section 1.5       Date For Any Action.........................................9
Section 1.6       Entire Agreement............................................9
Section 1.7       Schedules...................................................9
Section 1.8       Accounting Matters.........................................10
Section 1.9       Knowledge..................................................10

                                    ARTICLE 2
                                 THE ARRANGEMENT

Section 2.1       Implementation Steps by NEWBRIDGE..........................10
Section 2.2       Implementation Steps by ALCATEL............................11
Section 2.3       Interim Order..............................................12
Section 2.4       Articles of Arrangement....................................12
Section 2.5       NEWBRIDGE Circular.........................................13
Section 2.6       ALCATEL Circular...........................................13
Section 2.7       Securities Compliance......................................13
Section 2.8       Preparation of Filings, etc................................14

                                    ARTICLE 3
                         REPRESENTATIONS AND WARRANTIES

Section 3.1       Representations and Warranties of NEWBRIDGE................16
Section 3.2       Representations and Warranties of ALCATEL..................31
Section 3.3       Survival...................................................36

                                    ARTICLE 4
                                    COVENANTS

Section 4.1       Retention of Goodwill......................................36
Section 4.2       Treatment of Options, Warrants, ESPP and KEEP..............36
Section 4.3       Covenants of NEWBRIDGE.....................................37
Section 4.4       Covenants of ALCATEL.......................................42
Section 4.5       Covenants Regarding Non-Solicitation.......................44
Section 4.6       Notice by NEWBRIDGE of Superior Proposal Determination.....46
Section 4.7       Access to Information......................................47
Section 4.8       Closing Matters............................................48




                                       (i)



<PAGE>   3

Section 4.9       Indemnification............................................48
Section 4.10      Pooling of Interests Accounting............................48
Section 4.11      Safe Income................................................49

                                    ARTICLE 5
                                   CONDITIONS

Section 5.1       Mutual Conditions Precedent................................50
Section 5.2       Additional Conditions Precedent to the Obligations
                    of ALCATEL...............................................52
Section 5.3       Additional Conditions Precedent to the Obligations
                    of NEWBRIDGE.............................................53
Section 5.4       Notice and Cure Provisions.................................54
Section 5.5       Satisfaction of Conditions.................................55

                                    ARTICLE 6
                            AMENDMENT AND TERMINATION

Section 6.1       Amendment..................................................55
Section 6.2       Mutual Understanding Regarding Amendments..................55
Section 6.3       Termination................................................56
Section 6.4       Break and Other Fees; Option...............................57
Section 6.5       Remedies...................................................58

                                    ARTICLE 7
                                     GENERAL

Section 7.1       Notices....................................................59
Section 7.2       Assignment.................................................60
Section 7.3       Binding Effect.............................................60
Section 7.4       Waiver and Modification....................................60
Section 7.5       Further Assurances.........................................60
Section 7.6       Expenses...................................................61
Section 7.7       Consultation...............................................61
Section 7.8       Governing Laws.............................................61
Section 7.9       Time of Essence............................................62
Section 7.10      Counterparts...............................................62





                                      (ii)
<PAGE>   4




                                MERGER AGREEMENT

         MEMORANDUM OF AGREEMENT made as of the 22nd day of February, 2000.

B E T W E E N :

                           ALCATEL
                           a corporation existing under the laws
                           of France
                           (hereinafter referred to as "ALCATEL")

                                     - and -

                           NEWBRIDGE NETWORKS CORPORATION

                           a corporation existing under the laws
                           of Canada
                           (hereinafter referred to as "NEWBRIDGE")

         THIS AGREEMENT WITNESSES THAT in consideration of the respective
covenants and agreements herein contained, the parties hereto covenant and agree
as follows:

                                   ARTICLE 1
                                 INTERPRETATION

SECTION 1.1       DEFINITIONS.
         In this Agreement, unless there is something in the subject matter or
context inconsistent therewith, the following terms shall have the following
meanings respectively:

         "1933 ACT" means the United States Securities Act of 1933, as amended;

         "ACQUISITION PROPOSAL" means any proposal or offer with respect to any
         merger, amalgamation, arrangement, business combination, liquidation,
         dissolution, recapitalization, take-over bid, purchase of all or any
         material assets of, or any purchase of more than 20% of the equity (or
         rights thereto) of, or similar transactions involving, NEWBRIDGE or any
         NEWBRIDGE Material Subsidiary, excluding the Arrangement;

         "AFFILIATE" shall have the meaning ascribed thereto under the
         Securities Act;

<PAGE>   5

                                      -2-

         "ALCATEL CIRCULAR" means the circular to be sent to the ALCATEL
         Shareholders, including the notice of the ALCATEL Meeting and all
         appendices thereto, containing information relating to the transactions
         contemplated herein;

         "ALCATEL MATERIAL SUBSIDIARY" means each subsidiary of ALCATEL the
         total assets of which constituted more than ten percent of the
         consolidated assets of ALCATEL or the total revenues of which
         constituted more than ten percent of the consolidated revenues of
         ALCATEL, in each case as set out in the financial statements of ALCATEL
         for the year ended December 31, 1999, and including each affiliate of
         ALCATEL that directly or indirectly holds an equity interest in each
         such subsidiary;

         "ALCATEL MEETING" means the ordinary general and extraordinary meeting
         of ALCATEL Shareholders, including any adjournment or postponement
         thereof, to be called and held in accordance with applicable laws to
         consider the ALCATEL Resolution as well as other matters to be
         considered at ALCATEL's 2000 ordinary general meeting;

         "ALCATEL ADRs" means the American Depositary Receipts of ALCATEL;

         "ALCATEL ADSs" means the American Depositary Shares of ALCATEL;

         "ALCATEL SHARES" means the shares in the capital of ALCATEL, nominal
         value Euro 10 each;

         "ALCATEL RESOLUTION" means the resolution of the ALCATEL Shareholders
         to increase the ALCATEL share capital in order to implement the
         Arrangement;

         "ALCATEL SHAREHOLDERS" means the holders of ALCATEL Shares;

         "ARRANGEMENT" means an arrangement under Section 192 of the CBCA on the
         terms and subject to the conditions set out in the Plan of Arrangement,
         subject to any amendments or variations thereto made in accordance with
         Section 6.1 or Article 6 of the Plan of Arrangement or made at the
         direction of the Court;

         "ARRANGEMENT RESOLUTION" means the special resolution of the NEWBRIDGE
         shareholders, to be substantially in the form and content of Schedule A
         annexed hereto;

         "ARTICLES OF ARRANGEMENT" means the articles of arrangement of
         NEWBRIDGE in respect of the Arrangement that are required by the CBCA
         to be sent to the Director after the Final Order is made;


<PAGE>   6


                                      -3-

         "BUSINESS DAY" means any day on which commercial banks are generally
         open for business in Toronto, Ontario, New York City, New York and
         Paris, France other than a Saturday, a Sunday or a day observed as a
         holiday in Toronto, Ontario, in New York City, New York or in Paris,
         France under applicable laws;

         "CBCA" means the Canada Business Corporations Act as now in effect and
         as it may be amended from time to time prior to the Effective Date;

         "CALLCO" or "ALCATEL Holdings" means an unlimited liability company to
         be incorporated under the laws of Nova Scotia and wholly-owned, as a
         first or second tier subsidiary, by ALCATEL;

         "COB" means the Commission des Operations de Bourse;

         "CONFIDENTIALITY AGREEMENT" means the confidentiality letter agreement
         dated December 7, 1999 between ALCATEL and NEWBRIDGE;

         "COURT" means the Superior Court of Justice (Ontario);

         "DIRECTOR" means the Director appointed pursuant to Section 260 of the
         CBCA;

         "DISSENT RIGHTS" means the rights of dissent in respect of the
         Arrangement described in Section 3.1 of the Plan of Arrangement;

         "DISSENTING SHAREHOLDER" has the meaning ascribed thereto in the Plan
         of Arrangement;

         "EFFECTIVE DATE" means the date shown on the certificate of arrangement
         to be issued by the Director under the CBCA giving effect to the
         Arrangement;

         "EFFECTIVE TIME" has the meaning ascribed thereto in the Plan of
         Arrangement;

         "ENVIRONMENTAL LAWS" means all applicable Laws, including applicable
         common law, relating to the protection of the environment and public
         health and safety;

         "ERISA" has the meaning ascribed thereto in Section 3.1(l)(i);

         "EXCHANGE TRUST AGREEMENT" means an agreement to be made between
         ALCATEL, NEWBRIDGE and the Trustee in connection with the Plan of
         Arrangement substantially in the form and content of Schedule E annexed
         hereto, with such changes thereto as the parties hereto, may agree.

<PAGE>   7

                                      -4-

         "EXCHANGEABLE SHARES" means the non-voting exchangeable shares to be
         created in the capital of NEWBRIDGE, having substantially the rights,
         privileges, restrictions and conditions set out in Appendix I to the
         Plan of Arrangement;

         "FINAL ORDER" means the final order of the Court approving the
         Arrangement as such order may be amended by the Court at any time prior
         to the Effective Date or, if appealed, then, unless such appeal is
         withdrawn or denied, as affirmed or as amended on appeal;

         "FORM F-3" has the meaning ascribed thereto in Section 2.7(4);

         "FORM S-8" has the meaning ascribed thereto in Section 2.7(5);

         "GOVERNMENTAL ENTITY" means any (a) multinational, federal, provincial,
         state, regional, municipal, local or other government, governmental or
         public department, central bank, court, tribunal, arbitral body,
         commission, board, bureau or agency, domestic or foreign, (b) any
         subdivision, agent, commission, board, or authority of any of the
         foregoing, or (c) any quasi- governmental or private body exercising
         any regulatory, expropriation or taxing authority under or for the
         account of any of the foregoing;

         "HOLDERS" means, when used with reference to the NEWBRIDGE Common
         Shares, NEWBRIDGE Options or NEWBRIDGE Warrants, the holders thereof
         shown from time to time in the register maintained by or on behalf of
         NEWBRIDGE in respect of such securities and, when used with reference
         to the Exchangeable Shares, means the holders of Exchangeable Shares
         shown from time to time in the register maintained by or on behalf of
         NEWBRIDGE in respect of the Exchangeable Shares;

         "INCLUDING" means including without limitation;

         "INFORMATION" has the meaning ascribed thereto in Section 4.7(2);

         "INTERIM ORDER" means the interim order of the Court, as the same may
         be amended, in respect of the Arrangement, as contemplated by Section
         2.3;

         "LAWS" means all statutes, regulations, statutory rules, orders, and
         terms and conditions of any grant of approval, permission, authority or
         license of any court, Governmental Entity, statutory body (including
         the OSC, The Toronto Stock Exchange, the PSE, the NYSE, the SEC and the
         COB) or self-regulatory authority, and the term "applicable" with
         respect to such Laws and in the context that refers to one or more
         Persons, means that such Laws apply to such Person or Persons or its or
         their business, undertaking, property or securities and emanate from a
         Governmental Entity having jurisdiction over


<PAGE>   8

                                      -5-

         the Person or Persons or its or their business, undertaking, property
         or securities;

         "LETTER OF TRANSMITTAL AND ELECTION FORM" means the letter of
         transmittal and election form for use by holders of NEWBRIDGE Common
         Shares, in the form accompanying the NEWBRIDGE Circular;

         "MATERIAL ADVERSE CHANGE", when used in connection with ALCATEL or
         NEWBRIDGE, means any change, effect, event or occurrence with respect
         to the condition (financial or otherwise), properties, assets,
         liabilities, obligations (whether absolute, accrued, conditional or
         otherwise), businesses, operations or results of operations of such
         party or those of its subsidiaries that is, or could reasonably be
         expected to be, material and adverse to such party and its subsidiaries
         taken as a whole, other than any change, effect, event or occurrence
         (i) relating to the Canadian, United States, United Kingdom or French
         economies, political conditions or securities markets in general, or
         (ii) affecting the worldwide telecommunications equipment industry in
         general and which does not have a materially disproportionate impact on
         such party, or (iii) relating to any change in the trading price of the
         ALCATEL Shares or ALCATEL ADRs or the NEWBRIDGE Common Shares,
         respectively, either (A) related to the Arrangement or the announcement
         thereof, or (B) unrelated to any change, circumstance, effect, event or
         occurrence that is, or could reasonably be expected to be, material and
         adverse to such party and its subsidiaries taken as a whole;

         "MATERIAL ADVERSE EFFECT" when used in connection with ALCATEL or
         NEWBRIDGE, means any effect that is, or could reasonably be expected to
         be, material and adverse to the condition (financial or otherwise),
         properties, assets, liabilities, obligations (whether absolute,
         accrued, conditional or otherwise), businesses, operations or results
         of operations of such party and its subsidiaries taken as a whole,
         other than any effect (i) relating to the Canadian, United States,
         United Kingdom or French economies, political conditions or securities
         markets in general, or (ii) affecting the worldwide telecommunications
         equipment industry in general and which does not have a materially
         disproportionate impact on such party, or (iii) relating to any change
         in the trading price of the ALCATEL Shares or ALCATEL ADRs or the
         NEWBRIDGE Common Shares, respectively, either (A) related to the
         Arrangement or the announcement thereof, or (B) unrelated to any
         change, circumstance, effect, event or occurrence that is, or could
         reasonably be expected to be, material and adverse to such party and
         its subsidiaries taken as a whole;

         "MATERIAL FACT" shall have the meaning ascribed thereto under the
         Securities Act;

<PAGE>   9

                                      -6-

         "NEWBRIDGE CIRCULAR" means the notice of the NEWBRIDGE Meeting and
         accompanying management information circular, including all appendices
         thereto, to be sent to NEWBRIDGE Shareholders in connection with the
         NEWBRIDGE Meeting;

         "NEWBRIDGE COMMON SHARES" means the common shares in the capital of
         NEWBRIDGE;

         "NEWBRIDGE DOCUMENTS" has the meaning ascribed thereto in Section
         3.1(m);

         "NEWBRIDGE EMPLOYEE STOCK PURCHASE PLAN" means the share purchase plan
         for NEWBRIDGE employees, as amended to the date hereof;

         "NEWBRIDGE KEY EMPLOYEE EXECUTIVE PLAN" means the deferred compensation
         plan for NEWBRIDGE key executive employees, as amended to the date
         hereof;

         "NEWBRIDGE MATERIAL SUBSIDIARY" means NEWBRIDGE LIMITED of England,
         NEWBRIDGE INC. of the U.S., and NEWBRIDGE (ASIA) LIMITED of Hong Kong;

         "NEWBRIDGE MEETING" means the special meeting of NEWBRIDGE
         Shareholders, including any adjournment or postponement thereof, to be
         called and held in accordance with the Interim Order to consider the
         Arrangement;

         "NEWBRIDGE OPTIONS" means the NEWBRIDGE Common Share purchase options
         granted under the NEWBRIDGE Stock Option Plan;

         "NEWBRIDGE PLANS" has the meaning ascribed thereto in Section
         3.1(l)(i);

         "NEWBRIDGE PREFERRED SHARES" means the preferred shares in the capital
         of NEWBRIDGE;

         "NEWBRIDGE SHAREHOLDERS" means the holders of NEWBRIDGE Common Shares,
         NEWBRIDGE Options and NEWBRIDGE Warrants;

         "NEWBRIDGE STOCK OPTION PLAN" means NEWBRIDGE's 1999 Key Employee Stock
         Option Plan, NEWBRIDGE's Consolidated Key Employee Stock Option Plan
         and Stanford Telecommunications, Inc.'s 1991 Stock Option Plan, in each
         case as amended to the date hereof;

         "NEWBRIDGE WARRANTS" means the 285,000 share purchase warrants of
         NEWBRIDGE exercisable between May 21, 2000 and May 21, 2004;

<PAGE>   10

                                      -7-

         "NYSE" means the New York Stock Exchange;

         "OPTION AGREEMENT" means the option agreement attached as Schedule F
         hereto;

         "OSC" means the Ontario Securities Commission;

         "OUTSIDE DATE" means, subject to Section 6.3(4), September 30, 2000 or
         such later date as may be mutually agreed by the parties;

         "PSE" means the Paris Bourse;

         "PERSON" includes any individual, firm, partnership, limited
         partnership, joint venture, venture capital fund, limited liability
         company, unlimited liability company, association, trust, trustee,
         executor, administrator, legal personal representative, estate, group,
         body corporate, corporation, unincorporated association or
         organization, Governmental Entity, syndicate or other entity, whether
         or not having legal status;

         "PLAN OF ARRANGEMENT" means the plan of arrangement substantially in
         the form and content of Schedule B annexed hereto and any amendments or
         variations thereto made in accordance with Section 6.1 or Article 6 of
         the Plan of Arrangement or made at the direction of the Court;

         "PRE-EFFECTIVE DATE PERIOD" shall mean the period from and including
         the date hereof to and including the Effective Time;

         "PUBLICLY DISCLOSED BY NEWBRIDGE" means disclosed by NEWBRIDGE in a
         public filing made by it with the OSC, The Toronto Stock Exchange, the
         NYSE or the SEC from January 1, 1998 to the date hereof;

         "PUBLICLY DISCLOSED BY ALCATEL" means disclosed by ALCATEL in a public
         filing made by it with the PSE, the COB, the NYSE or the SEC from
         January 1, 1998 to the date hereof;

         "REGULATORY APPROVALS" means those sanctions, rulings, consents,
         orders, exemptions, permits and other approvals (including the lapse,
         without objection, of a prescribed time under a statute or regulation
         that states that a transaction may be implemented if a prescribed time
         lapses following the giving of notice without an objection being made)
         of Governmental Entities, regulatory agencies or self-regulatory
         organizations, as set out in Schedule C hereto;

         "REVISED OPTIONS" has the meaning ascribed thereto in the Plan of
         Arrangement;

<PAGE>   11

                                      -8-

         "REPRESENTATIVES" has the meaning ascribed thereto in Section 4.7(1);

         "SEC" means the United States Securities and Exchange Commission;

         "SECURITIES ACT" means the Securities Act (Ontario) and the rules,
         regulations and policies made thereunder, as now in effect and as they
         may be amended from time to time prior to the Effective Date;

         "SUBSIDIARY" means, with respect to a specified body corporate, any
         body corporate of which more than 50% of the outstanding shares
         ordinarily entitled to elect a majority of the board of directors
         thereof (whether or not shares of any other class or classes shall or
         might be entitled to vote upon the happening of any event or
         contingency) are at the time owned directly or indirectly by such
         specified body corporate, and shall include any body corporate,
         partnership, joint venture or other entity over which it exercises
         direction or control or which is in a like relation to a subsidiary;

         "SUPERIOR PROPOSAL" means any bona fide written Acquisition Proposal
         that in the good faith determination of the Board of Directors of
         NEWBRIDGE, after consultation with its financial advisors and with
         outside counsel (a) is reasonably capable of being completed, taking
         into account all legal, financial, regulatory and other aspects of such
         proposal and the party making such proposal, and (b) would, if
         consummated in accordance with its terms, result in a transaction more
         favourable to the NEWBRIDGE shareholders from a financial point of view
         than the transaction contemplated by this Agreement;

         "SUPPORT AGREEMENT" means an agreement to be made between ALCATEL,
         Callco and NEWBRIDGE substantially in the form and content of Schedule
         D annexed hereto, with such changes thereto as the parties hereto may
         agree;

         "TAX" and "TAXES" have the respective meanings ascribed thereto in
         Section 3.1(k) (iii);

         "TAX RETURNS" means all returns, declarations, reports, information
         returns and statements required to be filed with any taxing authority
         relating to Taxes; and

         "TRUSTEE" means the trustee to be chosen by ALCATEL and NEWBRIDGE,
         acting reasonably, to act as trustee under the Exchange Trust
         Agreement, being a corporation organized and existing under the laws of
         Canada and authorized to carry on the business of a trust company in
         all the provinces of Canada, and any successor trustee appointed under
         the Exchange Trust Agreement.


<PAGE>   12

                                      -9-

SECTION 1.2       INTERPRETATION NOT AFFECTED BY HEADINGS, ETC.

         The division of this Agreement into Articles, Sections and other
portions and the insertion of headings are for convenience of reference only and
shall not affect the construction or interpretation hereof. Unless otherwise
indicated, all references to an "Article" or "Section" followed by a number
and/or a letter refer to the specified Article or Section of this Agreement. The
terms "this Agreement", "hereof", "herein" and "hereunder" and similar
expressions refer to this Agreement (including the Schedules hereto) and not to
any particular Article, Section or other portion hereof and include any
agreement or instrument supplementary or ancillary hereto.

SECTION 1.3       CURRENCY.

         Unless otherwise specifically indicated, all sums of money referred to
in this Agreement are expressed in lawful money of Canada.

SECTION 1.4       NUMBER, ETC.

         Unless the context otherwise requires, words importing the singular
shall include the plural and vice versa and words importing any gender shall
include all genders.

SECTION 1.5       DATE FOR ANY ACTION.

         In the event that any date on which any action is required to be taken
hereunder by any of the parties hereto is not a Business Day, such action shall
be required to be taken on the next succeeding day which is a Business Day.

SECTION 1.6       ENTIRE AGREEMENT.

         This Agreement, the agreements and other documents herein referred to
and the Confidentiality Agreement constitute the entire agreement between the
parties hereto pertaining to the terms of the Arrangement and supersede all
other prior agreements, understandings, negotiations and discussions, whether
oral or written, between the parties hereto with respect to the terms of the
Arrangement.

SECTION 1.7       SCHEDULES.

         The following Schedules are annexed to this Agreement and are hereby
incorporated by reference into this Agreement and form part hereof:

         Schedule A - Arrangement Resolution
         Schedule B - Plan of Arrangement
         Schedule C - Regulatory Approvals
         Schedule D - Support Agreement
         Schedule E - Exchange Trust Agreement
         Schedule F - Option Agreement

<PAGE>   13


                                      -10-




SECTION 1.8       ACCOUNTING MATTERS.

         Unless otherwise stated, all accounting terms used in this Agreement in
respect of NEWBRIDGE shall have the meanings attributable thereto under Canadian
generally accepted accounting principles and all determinations of an accounting
nature in respect of NEWBRIDGE required to be made shall be made in a manner
consistent with Canadian generally accepted accounting principles and past
practice. Unless otherwise stated, all accounting terms used in this Agreement
in respect of ALCATEL shall have the meanings attributable thereto under French
generally accepted accounting principles and all determinations of an accounting
nature required to be made in respect of ALCATEL shall be made in a manner
consistent with French generally accepted accounting principles and past
practice.

SECTION 1.9       KNOWLEDGE.

         Each reference herein to the knowledge of a party means, unless
otherwise specified, the knowledge of such party's senior officers following due
inquiry.

                                    ARTICLE 2
                                 THE ARRANGEMENT

SECTION 2.1       IMPLEMENTATION STEPS BY NEWBRIDGE.

         NEWBRIDGE covenants in favour of ALCATEL that NEWBRIDGE shall:

         (a)      subject to Section 2.5, as soon as reasonably practicable,
                  apply in a manner acceptable to ALCATEL, acting reasonably,
                  under Section 192 of the CBCA for an order approving the
                  Arrangement and for the Interim Order, and thereafter proceed
                  with and diligently seek the Interim Order;

         (b)      subject to Section 2.5, convene and hold the NEWBRIDGE Meeting
                  for the purpose of considering the Arrangement Resolution
                  (provided however that if there is another Acquisition
                  Proposal to be considered at the NEWBRIDGE Meeting, the order
                  of presentation, signage, proxy forms and other matters
                  related thereto shall be acceptable to ALCATEL, acting
                  reasonably);

         (c)      subject to Section 5.4(2), except as required for quorum
                  purposes, not postpone or cancel (or propose for adjournment,
                  postponement or cancellation) the NEWBRIDGE Meeting without
                  ALCATEL's prior written consent except as required by Laws or
                  required by the NEWBRIDGE Shareholders;

         (d)      at the request of ALCATEL, use commercially reasonable efforts
                  to solicit from the NEWBRIDGE Shareholders proxies in favour
                  of the


<PAGE>   14
                                      -11-


                  approval of the Arrangement Resolution and to take all
                  other action that is necessary or desirable to secure the
                  approval of the Arrangement Resolution by the NEWBRIDGE
                  Shareholders, except to the extent that the Board of Directors
                  has changed its recommendation in accordance with the terms of
                  this Agreement (and subject in all cases to Section 6.4
                  hereof);

         (e)      subject to obtaining the approvals as are required by the
                  Interim Order, proceed with and diligently pursue the
                  application to the Court for the Final Order;

         (f)      subject to obtaining the Final Order and the satisfaction or
                  waiver of the other conditions herein contained in favour of
                  each party, send to the Director, for endorsement and filing
                  by the Director, the Articles of Arrangement and such other
                  documents as may be required in connection therewith under the
                  CBCA to give effect to the Arrangement; and

         (g)      subject to obtaining the Final Order and the satisfaction or
                  waiver of the other conditions herein contained in its favour,
                  execute the Support Agreement and the Exchange Trust
                  Agreement.

SECTION 2.2       IMPLEMENTATION STEPS BY ALCATEL.

         ALCATEL covenants in favour of NEWBRIDGE that ALCATEL shall:

         (a)      subject to Section 2.6, convene and hold the ALCATEL Meeting
                  at the same time as its 2000 ordinary general meeting would
                  otherwise have been held for the purpose of considering the
                  ALCATEL Resolution (and for any other proper purpose as may be
                  set out in the notice for such meeting), and such meeting
                  shall be held on or before May 31, 2000;

         (b)      subject to Section 5.4(2), except as required for quorum
                  purposes, not adjourn, postpone or cancel (or propose for
                  adjournment, postponement or cancellation) the ALCATEL Meeting
                  without NEWBRIDGE's prior written consent except as required
                  by Laws or required by the ALCATEL Shareholders;

         (c)      subject to their fiduciary duties, ALCATEL directors and
                  officers shall not make a negative recommendation in the
                  ALCATEL Circular with respect to the ALCATEL Resolution;

         (d)      incorporate and organize Callco;


<PAGE>   15
                                      -12-


         (e)      subject to obtaining the Final Order and the satisfaction or
                  waiver of the other conditions herein contained in its favour,
                  ALCATEL shall (and shall cause Callco to) execute and deliver
                  the Support Agreement; and

         (f)      subject to obtaining the Final Order and the satisfaction or
                  waiver of the other conditions herein contained in its favour,
                  ALCATEL shall (and shall cause Callco to) execute and deliver
                  the Exchange Trust Agreement.

SECTION 2.3       INTERIM ORDER.

         The notice of motion for the application referred to in Section 2.1(a)
shall request that the Interim Order provide:

         (a)      for the class of Persons to whom notice is to be provided in
                  respect of the Arrangement and the NEWBRIDGE Meeting and for
                  the manner in which such notice is to be provided;

         (b)      that the requisite approval for the Arrangement Resolution
                  shall be 66-2/3% of the votes cast on the Arrangement
                  Resolution by NEWBRIDGE Shareholders present in person or by
                  proxy at the NEWBRIDGE Meeting (such that each holder of
                  NEWBRIDGE Common Shares is entitled to one vote for each
                  NEWBRIDGE Common Share held and each holder of NEWBRIDGE
                  Options and NEWBRIDGE Warrants is entitled to the number of
                  votes represented by the number of NEWBRIDGE Common Shares
                  into which such holder's NEWBRIDGE Option or NEWBRIDGE
                  Warrants is convertible, rounded down to the nearest whole
                  number of NEWBRIDGE Common Shares and without regard to
                  vesting requirements, if any);

         (c)      that, in all other respects, the terms, restrictions and
                  conditions of the by-laws and articles of NEWBRIDGE, including
                  quorum requirements and all other matters, shall apply in
                  respect of the NEWBRIDGE Meeting; and

         (d)      for the grant of the Dissent Rights.

SECTION 2.4       ARTICLES OF ARRANGEMENT.

         The Articles of Arrangement shall, with such other matters as are
necessary to effect the Arrangement, implement the Plan of Arrangement, as a
result of which, among other things, each holder of NEWBRIDGE Common Shares will
be entitled to receive either 0.81 Exchangeable Shares or 0.81 ALCATEL ADSs
(evidenced by ALCATEL ADRs) at the option of the holder.



<PAGE>   16
                                      -13-


SECTION 2.5       NEWBRIDGE CIRCULAR.

         As promptly as reasonably practicable after the execution and delivery
of this Agreement, NEWBRIDGE shall complete the NEWBRIDGE Circular together with
any other documents required by the Securities Act or other applicable Laws in
connection with the Arrangement, and as promptly as practicable after the
execution and delivery of this Agreement, NEWBRIDGE shall, unless otherwise
agreed by the parties and subject to the contemporaneous mailing of the ALCATEL
Circular, cause the NEWBRIDGE Circular and other documentation required in
connection with the NEWBRIDGE Meeting to be sent to each NEWBRIDGE Shareholder
and filed as required by the Interim Order and applicable Laws.

SECTION 2.6       ALCATEL CIRCULAR.

         ALCATEL shall, subject to the obtaining of required Regulatory
Approvals in connection with sending the ALCATEL Circular, complete the ALCATEL
Circular together with any other documents required by the PSE or applicable
Laws in connection with the ALCATEL Meeting and shall, subject to the
contemporaneous mailing of the NEWBRIDGE Circular or as otherwise agreed by the
parties, cause the ALCATEL Circular and other documentation required in
connection with the ALCATEL Meeting to be sent to each ALCATEL Shareholder as
required by applicable Laws.

SECTION 2.7       SECURITIES COMPLIANCE.

(1)      ALCATEL shall use its reasonable best efforts to obtain all orders
         required from the applicable Canadian securities regulatory authorities
         to permit the issuance and first resale of (a) the Exchangeable Shares
         issued pursuant to the Arrangement, and (b) the ALCATEL ADSs provided
         from time to time upon exchange of the Exchangeable Shares, in each
         case without qualification with or approval of or the filing of any
         prospectus, or the taking of any proceeding with, or the obtaining of
         any further order, ruling or consent from, any Governmental Entity or
         regulatory authority under any Canadian federal, provincial or
         territorial securities or other Laws or pursuant to the rules and
         regulations of any regulatory authority administering such Laws, or the
         fulfilment of any other legal requirement in any such jurisdiction
         (other than, with respect to such first resales, any restrictions on
         transfer by reason of, among other things, a holder being a "control
         person" of ALCATEL or NEWBRIDGE for purposes of Canadian federal,
         provincial or territorial securities Laws) (for greater certainty, in
         each case without affecting the need to comply with applicable United
         States, French or other Laws).

(2)      Each of ALCATEL and NEWBRIDGE shall use its reasonable best efforts to
         obtain the approval of The Toronto Stock Exchange for the listing of
         the Exchangeable Shares.


<PAGE>   17
                                      -14-


(3)      ALCATEL shall use its reasonable best efforts to obtain the approval of
         the COB and the PSE for the listing of the ALCATEL Shares to be issued
         in connection with the Arrangement.

(4)      ALCATEL shall use its reasonable best efforts to obtain the approval of
         the NYSE for the listing of the ALCATEL ADRs and the ALCATEL ADSs to be
         provided from time to time upon exchange of the Exchangeable Shares or
         the exercise of the NEWBRIDGE Options or the NEWBRIDGE Warrants.

(5)      As promptly as practicable after the date hereof but in no event later
         than March 24, 2000, ALCATEL shall file a registration statement on
         Form F-3 (or other applicable form) (the "FORM F-3") in order to
         register under the 1933 Act the ALCATEL ADSs to be provided from time
         to time after the Effective Time upon exchange of the Exchangeable
         Shares, and shall use its reasonable efforts to cause the Form F-3 to
         become effective and to maintain the effectiveness of such registration
         for the period that such Exchangeable Shares remain outstanding.

(6)      Within 10 days after or if necessary before the Effective Date, ALCATEL
         shall file a registration statement on Form S-8 (or other applicable
         form) (the "FORM S-8") in order to register under the 1933 Act those
         ALCATEL ADSs to be distributed from time to time after the Effective
         Time upon the exercise of the Revised Options.

SECTION 2.8       PREPARATION OF FILINGS, ETC.

(1)      ALCATEL and NEWBRIDGE shall use their reasonable best efforts to
         cooperate in the preparation, seeking and obtaining of all circulars,
         filings, consents, Regulatory Approvals and other approvals and other
         matters in connection with this Agreement and the Arrangement,
         provided, however, that, with respect to Canadian or U.S. federal,
         provincial, state or territorial qualifications, ALCATEL shall not be
         required to register or qualify as a foreign corporation or to take any
         action that would subject it to service of process in any jurisdiction
         where it is not now so subject, except as to matters and transactions
         arising solely from the exchange of the Exchangeable Shares and the
         provision and listing of the ALCATEL ADSs and the ALCATEL ADRs.

(2)      Each of ALCATEL and NEWBRIDGE shall furnish to the other all such
         information concerning it and its shareholders as may be required (and,
         in the case of its shareholders, available to it) for the effectuation
         of the actions described in Sections 2.5, 2.6 and 2.7 and the foregoing
         provisions of this Section 2.8, and each covenants that no information
         furnished by it (to its knowledge in the case of information concerning
         its shareholders) in connection with such actions or otherwise in
         connection with the


<PAGE>   18
                                      -15-



         consummation of the Arrangement and the other transactions contemplated
         by this Agreement will contain any untrue statement of a material fact
         or omit to state a material fact required to be stated in any such
         document or necessary in order to make any information so furnished for
         use in any such document not misleading in the light of the
         circumstances in which it is furnished.

(3)      ALCATEL and NEWBRIDGE shall each promptly notify the other if at any
         time before the Effective Time it becomes aware that the NEWBRIDGE
         Circular or the ALCATEL Circular, an application for an order or any
         other document described in Section 2.7 contains any untrue statement
         of a material fact or omits to state a material fact required to be
         stated therein or necessary to make the statements contained therein
         not misleading in light of the circumstances in which they are made, or
         that otherwise requires an amendment or supplement to the NEWBRIDGE
         Circular or the ALCATEL Circular or such application or other document.
         In any such event, ALCATEL and NEWBRIDGE shall cooperate in the
         preparation of a supplement or amendment to the NEWBRIDGE Circular or
         the ALCATEL Circular or such application or other document, as required
         and as the case may be, and, if required, shall cause the same to be
         distributed to shareholders of ALCATEL or NEWBRIDGE and/or filed with
         the relevant securities regulatory authorities and/or stock exchanges.

(4)      NEWBRIDGE shall ensure that the NEWBRIDGE Circular complies with all
         applicable Laws and, without limiting the generality of the foregoing,
         that the NEWBRIDGE Circular does not contain any untrue statement of a
         material fact or omit to state a material fact required to be stated
         therein or necessary to make the statements contained therein not
         misleading in light of the circumstances in which they are made (other
         than with respect to any information relating to and provided by
         ALCATEL or any third party that is not an affiliate of NEWBRIDGE).
         Without limiting the generality of the foregoing, NEWBRIDGE shall
         ensure that the NEWBRIDGE Circular provides holders of NEWBRIDGE Common
         Shares with information in sufficient detail to permit them to form a
         reasoned judgement concerning the matters to be placed before them at
         the NEWBRIDGE Meeting, and ALCATEL shall provide all information
         regarding it necessary to do so.

(5)      ALCATEL shall ensure that the ALCATEL Circular and that the Form F-3
         and Form S-8 comply with all applicable Laws and, without limiting the
         generality of the foregoing, that the ALCATEL Circular and such
         documents do not contain any untrue statement of a material fact or
         omit to state a material fact required to be stated therein or
         necessary to make the statements contained therein not misleading in
         light of the circumstances in which they are made (other than with
         respect to any information relating to and



<PAGE>   19
                                      -16-


         provided by NEWBRIDGE or any third party that is not an affiliate of
         ALCATEL). Without limiting the generality of the foregoing, ALCATEL
         shall ensure that the ALCATEL Circular provides ALCATEL Shareholders
         with information in sufficient detail to permit them to form a reasoned
         judgement concerning the matters to be placed before them at the
         ALCATEL Meeting, and NEWBRIDGE shall provide all information regarding
         it necessary to do so.

(6)      NEWBRIDGE shall, at least 45 days prior to the date of the NEWBRIDGE
         Meeting, deliver to ALCATEL a list reasonably satisfactory to ALCATEL
         setting forth the names and addresses of all Persons who are at the
         time "affiliates" of NEWBRIDGE for purposes of Rule 145 under the 1933
         Act. NEWBRIDGE shall furnish such information and documents as ALCATEL
         may reasonably request for the purpose of reviewing such list, and
         NEWBRIDGE shall, without expending any moneys or other consideration,
         use its reasonable best efforts to cause each Person who is identified
         as an affiliate on such list to execute a written agreement at least 30
         days prior to the date of the NEWBRIDGE Meeting in a form acceptable to
         ALCATEL and NEWBRIDGE, acting reasonably, related to the applicable
         resale restrictions of Rule 145.

                                   ARTICLE 3
                         REPRESENTATIONS AND WARRANTIES

SECTION 3.1       REPRESENTATIONS AND WARRANTIES OF NEWBRIDGE.

         NEWBRIDGE represents and warrants to and in favour of ALCATEL, as
follows and acknowledges that ALCATEL is relying upon such representations and
warranties in connection with the matters contemplated by this Agreement:

         (a)      Organization.

                  Each of NEWBRIDGE and the NEWBRIDGE Material Subsidiaries has
                  been duly incorporated or formed under all applicable Laws, is
                  validly subsisting and has full corporate or legal power and
                  authority to own its properties and conduct its businesses as
                  currently owned and conducted. The only material subsidiaries
                  of NEWBRIDGE are the Material Subsidiaries. All of the
                  outstanding shares and other ownership interests of the
                  NEWBRIDGE Material Subsidiaries which are held directly or
                  indirectly by NEWBRIDGE are validly issued, fully paid and
                  non-assessable and all such shares and other ownership
                  interests are owned directly or indirectly by NEWBRIDGE, free
                  and clear of all material liens, claims or encumbrances,
                  except as has been set forth in writing by NEWBRIDGE to
                  ALCATEL in a form acceptable


<PAGE>   20
                                      -17-



                  to ALCATEL or pursuant to restrictions on transfers contained
                  in articles or similar documents, and except as aforesaid
                  there are no outstanding options, rights, entitlements,
                  understandings or commitments (contingent or otherwise)
                  regarding the right to acquire any such shares or other
                  ownership interests in any of the NEWBRIDGE Material
                  Subsidiaries. NEWBRIDGE has disclosed in writing to ALCATEL in
                  a form acceptable to ALCATEL the names and jurisdictions of
                  incorporation of each of the NEWBRIDGE Material Subsidiaries.

         (b)      Capitalization. The authorized capital of NEWBRIDGE consists
                  of an unlimited number of NEWBRIDGE Common Shares and an
                  unlimited number of NEWBRIDGE Preferred Shares, issuable in
                  Series, including the Series A NEWBRIDGE Preferred Shares. As
                  of the date hereof, there are 181,824,826 NEWBRIDGE Common
                  Shares (and no more) and no NEWBRIDGE Preferred Shares issued
                  and outstanding. In addition, as at the date hereof, options
                  to acquire an aggregate of not more than 32,916,053 NEWBRIDGE
                  Common Shares are granted and outstanding under the NEWBRIDGE
                  Stock Option Plan, rights to acquire not more than 7,500
                  NEWBRIDGE Common Shares are granted and outstanding under the
                  NEWBRIDGE Employee Stock Purchase Plan and rights to acquire
                  285,000 NEWBRIDGE Common Shares are granted and outstanding
                  under the NEWBRIDGE Warrants (and, in each case, no more). No
                  awards have been or will be made under the NEWBRIDGE Key
                  Employee Executive Plan. Except as described in the preceding
                  sentences of this Section 3.1(b) and in Section 3.1(a), there
                  are no options, warrants, conversion privileges or other
                  rights, agreements, arrangements or commitments (pre-emptive,
                  contingent or otherwise) obligating NEWBRIDGE or any NEWBRIDGE
                  Material Subsidiary to issue or sell any shares of NEWBRIDGE
                  or any of the NEWBRIDGE Material Subsidiaries or securities or
                  obligations of any kind convertible into or exchangeable for
                  any shares of NEWBRIDGE or any NEWBRIDGE Material Subsidiary.
                  All outstanding NEWBRIDGE Common Shares have been duly
                  authorized and are validly issued and outstanding as fully
                  paid and non-assessable shares, free of pre-emptive rights.
                  Except as described in the preceding sentences of this Section
                  3.1(b), there are no outstanding bonds, debentures or other
                  evidences of indebtedness of NEWBRIDGE or any subsidiary
                  having the right to vote (or that are convertible for or
                  exercisable into securities having the right to vote) with the
                  holders of the NEWBRIDGE Common Shares on any matter. Except
                  as has been set forth in writing by NEWBRIDGE to ALCATEL in a
                  form acceptable to ALCATEL, there are no outstanding



<PAGE>   21
                                      -18-


                  contractual obligations of NEWBRIDGE or any of the NEWBRIDGE
                  Material Subsidiaries to repurchase, redeem or otherwise
                  acquire any of its outstanding securities or with respect to
                  the voting or disposition of any outstanding securities of any
                  of the NEWBRIDGE Material Subsidiaries.

         (c)      Authority and No Violation.

                  (i)   NEWBRIDGE has the requisite corporate power and
                        authority to enter into this Agreement and to perform
                        its obligations hereunder. The execution and delivery of
                        this Agreement by NEWBRIDGE and the consummation by
                        NEWBRIDGE of the transactions contemplated by this
                        Agreement have been duly authorized by its Board of
                        Directors and no other corporate proceedings on its part
                        are necessary to authorize this Agreement or the
                        transactions contemplated hereby, other than:

                        (A)   with respect to the NEWBRIDGE Meeting, the
                              NEWBRIDGE Circular and other matters relating
                              solely thereto, the approval of the Board of
                              Directors of NEWBRIDGE; and

                        (B)   with respect to the completion of the Arrangement,
                              the requisite approval of the NEWBRIDGE
                              Shareholders.

                  (ii)  This Agreement has been duly executed and delivered by
                        NEWBRIDGE and constitutes its legal, valid and binding
                        obligation, enforceable against it in accordance with
                        its terms, subject to bankruptcy, insolvency and other
                        applicable Laws affecting creditors' rights generally,
                        and to general principles of equity.

                  (iii) The Board of Directors of NEWBRIDGE has (A) determined
                        as of the date hereof unanimously that the Arrangement
                        is fair to the holders of the NEWBRIDGE Common Shares
                        and is in the best interests of NEWBRIDGE, (B) received
                        an opinion from Morgan Stanley & Co. Incorporated to the
                        effect that, as of the date of this Agreement, the
                        consideration offered to NEWBRIDGE Shareholders pursuant
                        to the Arrangement is fair from a financial point of
                        view to the NEWBRIDGE Shareholders, and (C) determined
                        as of the date hereof to unanimously recommend that the
                        NEWBRIDGE Shareholders vote in favour of the
                        Arrangement. NEWBRIDGE's directors have advised
                        NEWBRIDGE that, as of the date hereof, they



<PAGE>   22
                                      -19-


                        intend to vote NEWBRIDGE Common Shares and NEWBRIDGE
                        Options held by them in favour of the Arrangement and
                        (except with respect to Mr. Matthews, unless the Board
                        of Directors of NEWBRIDGE shall have failed to recommend
                        or shall have withdrawn, modified or changed in a manner
                        adverse to ALCATEL its approval or recommendation of
                        this Agreement or the Arrangement or shall have approved
                        or recommended any unsolicited Superior Proposal in
                        accordance with Section 4.6) will so represent in the
                        NEWBRIDGE Circular. NEWBRIDGE is not subject to a
                        shareholder rights plan or "poison pill" or similar
                        plan.

                  (iv)  The approval of this Agreement, the execution and
                        delivery by NEWBRIDGE of this Agreement and the
                        performance by it of its obligations hereunder and the
                        completion of the Arrangement and the transactions
                        contemplated thereby, will not, except as disclosed in
                        writing by NEWBRIDGE to ALCATEL in a form acceptable to
                        ALCATEL:

                        (A)   result (with or without notice or the passage of
                              time) in a violation or breach of, require any
                              consent to be obtained under or give rise to any
                              termination, purchase or sale rights or payment
                              obligation under any provision of:

                              (I)   its or any NEWBRIDGE Material Subsidiary's
                                    certificate of incorporation, articles,
                                    by-laws or other charter documents,
                                    including any unanimous shareholder
                                    agreement;

                              (II)  any Laws, judgement or decree (subject to
                                    obtaining the Regulatory Approvals relating
                                    to NEWBRIDGE), except to the extent that the
                                    violation or breach of, or failure to obtain
                                    any consent under, any Laws, judgement or
                                    decree would not, individually or in the
                                    aggregate, have a Material Adverse Effect on
                                    NEWBRIDGE; or

                              (III) except as would not, individually or in the
                                    aggregate, have a Material Adverse Effect on
                                    NEWBRIDGE, any contract, agreement, license,
                                    franchise or permit to which NEWBRIDGE or
                                    any subsidiary is party or by which it is
                                    bound or subject or is the beneficiary;


<PAGE>   23
                                      -20-


                        (B)   give rise to any right of termination or
                              acceleration of indebtedness of NEWBRIDGE or any
                              subsidiary, or cause any such indebtedness to come
                              due before its stated maturity, or cause any
                              available credit of NEWBRIDGE or any subsidiary to
                              cease to be available, other than as would not,
                              individually or in the aggregate, have a Material
                              Adverse Effect on NEWBRIDGE;

                        (C)   except as would not, individually or in the
                              aggregate, have a Material Adverse Effect on
                              NEWBRIDGE, result in the imposition of any
                              encumbrance, charge or lien upon any of its assets
                              or the assets of any NEWBRIDGE Material
                              Subsidiary; or

                        (D)   except as would not, individually or in the
                              aggregate, have a Material Adverse Effect on
                              NEWBRIDGE, restrict, hinder, impair or limit the
                              ability of NEWBRIDGE or any NEWBRIDGE Material
                              Subsidiary to carry on the business of NEWBRIDGE
                              or any NEWBRIDGE Material Subsidiary as and where
                              it is now being carried on.

                        No consent, approval, order or authorization of, or
                        declaration or filing with, any Governmental Entity is
                        required to be obtained by NEWBRIDGE and its
                        subsidiaries in connection with the execution and
                        delivery of this Agreement or the consummation by
                        NEWBRIDGE of the transactions contemplated hereby other
                        than (A) any approvals required by the Interim Order,
                        (B) the Final Order, (C) filings with the Director under
                        the CBCA, (D) the Regulatory Approvals relating to
                        NEWBRIDGE and (E) any other consents, approvals, orders,
                        authorizations, declarations or filings of or with a
                        Governmental Entity which have been set forth in writing
                        by NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL
                        or which, if not obtained, would, individually or in the
                        aggregate, have a Material Adverse Effect on NEWBRIDGE.

         (d)      No Defaults. Subject to obtaining the Regulatory Approvals
                  relating to NEWBRIDGE and except as has been disclosed in
                  writing by NEWBRIDGE to ALCATEL in a form acceptable to
                  ALCATEL, neither NEWBRIDGE nor any of its subsidiaries is in
                  default under, and there exists no event, condition or
                  occurrence which, after notice or lapse of time or both, would
                  constitute such a default under, any contract, agreement,
                  license or franchise to which it is a party which would have a
                  Material Adverse Effect on NEWBRIDGE.


<PAGE>   24
                                      -21-


         (e)      Absence of Certain Changes or Events. Except as has been
                  disclosed in writing by NEWBRIDGE to ALCATEL in a form
                  acceptable to ALCATEL or Publicly Disclosed by NEWBRIDGE, from
                  April 30, 1999 through to the date hereof, each of NEWBRIDGE
                  and the NEWBRIDGE Material Subsidiaries has conducted its
                  business only in the ordinary and regular course of business
                  consistent with past practice and there has not occurred:

                  (i)     a Material Adverse Change with respect to NEWBRIDGE;

                  (ii)    any damage, destruction or loss not fully covered by
                          insurance that could reasonably be expected to have a
                          Material Adverse Effect on NEWBRIDGE;

                  (iii)   any redemption, repurchase or other acquisition of
                          NEWBRIDGE Common Shares by NEWBRIDGE or any
                          declaration, setting aside or payment of any dividend
                          or other distribution (whether in cash, stock or
                          property) with respect to NEWBRIDGE Common Shares;

                  (iv)    any material increase in or modification of the
                          compensation payable or to become payable by it to any
                          of its directors or officers, or any grant to any such
                          director or officer of any increase in severance or
                          termination pay;

                  (v)     any material increase in or modification of any bonus,
                          pension, insurance or benefit arrangement (including
                          the granting of stock options, restricted stock awards
                          or stock appreciation rights) made to, for or with any
                          of its directors or officers;

                  (vi)    any acquisition or sale of its property or assets
                          aggregating 10% or more of NEWBRIDGE's total
                          consolidated property and assets as at April 30, 1999
                          other than in the ordinary and regular course of
                          business consistent with past practice;

                  (vii)   any entering into, amendment of, relinquishment,
                          termination or non-renewal by it of any material
                          contract, agreement, license, franchise, lease
                          transaction, commitment or other right or obligation
                          that could reasonably be expected to have a Material
                          Adverse Effect on NEWBRIDGE;

                  (viii)  any resolution to approve a split, consolidation or
                          reclassification of any of its outstanding shares;



<PAGE>   25
                                      -22-


                  (ix)    any material change in its accounting methods,
                          principles or practices;

                  (x)     any guarantee of the payment of material indebtedness
                          or any incurrence of material indebtedness for money
                          borrowed or any issue or sale of any debt securities
                          except in the ordinary and regular course of business
                          consistent with past practice; or

                  (xi)    except in the usual, ordinary and regular course of
                          business and consistent with past practice: (A) any
                          satisfaction or settlement of any claims or
                          liabilities prior to the same being due, which were,
                          individually or in the aggregate, material; or (B) any
                          grant of any waiver, exercise of any option or
                          relinquishment of any contractual rights which were,
                          individually or in the aggregate, material.

         (f)      Employment Matters.

                  (i)   Except as has been disclosed in writing by NEWBRIDGE to
                        ALCATEL in a form acceptable to ALCATEL, neither
                        NEWBRIDGE nor any NEWBRIDGE Material Subsidiary is a
                        party to any agreement, obligation or understanding
                        providing for severance or termination payments to, or
                        any employment agreement with, any director or officer,
                        other than any common law obligations of reasonable
                        notice of termination or pay in lieu thereof and any
                        statutory obligations.

                  (ii)  Except as has been set forth in writing by NEWBRIDGE to
                        ALCATEL in a form acceptable to ALCATEL, NEWBRIDGE or
                        its subsidiaries are not subject to any collective
                        bargaining agreements, and there are no current, pending
                        or, to the knowledge of NEWBRIDGE, threatened strikes or
                        lockouts at NEWBRIDGE or any NEWBRIDGE Material
                        Subsidiary that would, individually or in the aggregate,
                        have a Material Adverse Effect on NEWBRIDGE.

                  (iii) Neither NEWBRIDGE nor any NEWBRIDGE Material Subsidiary
                        is subject to any litigation, actual or, to the
                        knowledge of NEWBRIDGE, threatened, relating to
                        employment or termination of employment of employees or
                        independent contractors, other than those claims or such
                        litigation as would, individually or in the aggregate,
                        not have a Material Adverse Effect on NEWBRIDGE.



<PAGE>   26
                                      -23-


                  (iv)  NEWBRIDGE and all NEWBRIDGE Material Subsidiaries have
                        operated in accordance with all applicable Laws with
                        respect to employment and labour, including, but not
                        limited to, employment and labour standards,
                        occupational health and safety, employment equity, pay
                        equity, workers' compensation, human rights and labour
                        relations and there are no current, pending or, to the
                        knowledge of NEWBRIDGE, threatened proceedings before
                        any board or tribunal with respect to any of the above
                        areas, other than as has been set forth in writing by
                        NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL or
                        where the failure to so operate or such proceedings
                        would, individually or in the aggregate, not have a
                        Material Adverse Effect on NEWBRIDGE.

                  (v)   Except as has been set forth in writing by NEWBRIDGE to
                        ALCATEL in a form acceptable to ALCATEL, there are no
                        outstanding stock appreciation rights, phantom equity or
                        similar rights, agreements, arrangements or commitments
                        based upon the book value, income or any other attribute
                        of NEWBRIDGE or any NEWBRIDGE Material Subsidiary.

         (g)      Financial Statements; Contingent Liabilities. The audited
                  consolidated financial statements for NEWBRIDGE as at and for
                  each of the 12-month periods ended on or about April 30, 1999,
                  1998 and 1997 and the unaudited consolidated financial
                  statements for the 3-month and 6-month periods ended July 31
                  and October 31, 1999 have been prepared in accordance with
                  Canadian generally accepted accounting principles (subject, in
                  the case of such unaudited financial statements, to the
                  absence of notes and to usual and non-material year-end
                  adjustments), and such financial statements present fairly, in
                  all material respects, the consolidated financial position and
                  results of operations of NEWBRIDGE and its subsidiaries as of
                  the respective dates thereof and for the respective periods
                  covered thereby, subject, in the case of such unaudited
                  financial statements, to usual and non-material year-end
                  adjustments. Such financial statements have also been
                  reconciled to U.S. generally accepted accounting principles in
                  accordance with the applicable requirements of the SEC. The
                  financial results for the 9-month period ended January 31,
                  2000 present fairly, in all material respects, the
                  consolidated financial position and results of operations of
                  NEWBRIDGE at the date thereof and for the period covered
                  thereby. Except as set forth in the NEWBRIDGE Documents filed
                  prior to the date hereof, and except for liabilities and
                  obligations incurred in the ordinary course of business since
                  the date of the most recent


<PAGE>   27
                                      -24-



                  consolidated balance sheet included in the NEWBRIDGE
                  Documents, neither NEWBRIDGE nor any of its subsidiaries has
                  any liabilities or obligations of any nature (whether accrued,
                  absolute, contingent or otherwise) except for those that would
                  not, in the aggregate, reasonably be expected to have a
                  Material Adverse Effect on NEWBRIDGE.

         (h)      Books and Records. The financial books, records and accounts
                  of NEWBRIDGE and its subsidiaries, in all material respects,
                  (i) have been maintained in accordance with Canadian generally
                  accepted accounting principles on a basis consistent with
                  prior years, (ii) are stated in reasonable detail and
                  accurately and fairly reflect the transactions and
                  dispositions of the assets of NEWBRIDGE and its subsidiaries
                  and (iii) accurately and fairly reflect the basis for the
                  NEWBRIDGE consolidated financial statements. NEWBRIDGE's and
                  the NEWBRIDGE Material Subsidiaries' corporate minute books
                  contain minutes of all meetings and resolutions of the
                  directors and shareholders held, and full access thereto has
                  been provided to ALCATEL (except that only draft minutes have
                  been made available in respect of the November 18, 1999 and
                  February 21/22, 2000 board meetings).

         (i)      Litigation, Etc. Except as has been set forth in writing by
                  NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL or
                  Publicly Disclosed by NEWBRIDGE, there is no claim, action,
                  proceeding or investigation pending or, to the knowledge of
                  NEWBRIDGE, threatened against NEWBRIDGE or any NEWBRIDGE
                  Material Subsidiary before any court or Governmental Entity
                  that would reasonably be expected to have a Material Adverse
                  Effect on NEWBRIDGE or to prevent or materially delay
                  consummation of the transactions contemplated by this
                  Agreement or the Arrangement. Neither NEWBRIDGE nor any
                  NEWBRIDGE Material Subsidiary, nor any of their respective
                  assets and properties, is subject to any outstanding
                  judgement, order, writ, injunction or decree that has had or
                  is reasonably likely to have a Material Adverse Effect on
                  NEWBRIDGE or that would prevent or materially delay
                  consummation of the transactions contemplated by this
                  Agreement or the Arrangement. Except as has been set forth in
                  writing previously by NEWBRIDGE to ALCATEL in a form
                  acceptable to ALCATEL, to their knowledge, NEWBRIDGE and the
                  NEWBRIDGE Material Subsidiaries are not subject to any
                  warranty, negligence, performance or other claims or disputes
                  or potential claims or disputes in respect of products or
                  services currently being delivered or previously delivered,
                  and to their knowledge there are no events or




<PAGE>   28
                                      -25-


                  circumstances which could reasonably be expected to give rise
                  to any such claims or disputes or potential claims or
                  disputes, in each case which could reasonably be expected to
                  have a Material Adverse Effect on NEWBRIDGE.

         (j)      Environmental. Except for any matters that, individually or in
                  the aggregate, would not have a Material Adverse Effect on
                  NEWBRIDGE or except as has been set forth in writing by
                  NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL:

                  (i)   all operations of NEWBRIDGE and its subsidiaries have
                        been conducted, and are now, in compliance with all
                        Environmental Laws; and

                  (ii)  to its knowledge, neither NEWBRIDGE nor any Material
                        Subsidiary is subject to:

                        (A)   any Environmental Law which requires or may
                              require any material work, repairs, construction,
                              change in business practices or operations, or
                              expenditures; or

                        (B)   any written demand or written notice with respect
                              to a breach of or liability under any
                              Environmental Laws applicable to NEWBRIDGE or any
                              NEWBRIDGE Material Subsidiary.

         (k)      Tax Matters. Except as has been set forth in writing by
                  NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL:

                  (i)   NEWBRIDGE and each of the NEWBRIDGE Material
                        Subsidiaries have filed, or caused to be filed, all Tax
                        Returns required to be filed by them (all of which
                        returns were correct and complete in all material
                        respects), except those in respect of which the failure
                        to file which would not have a Material Adverse Effect
                        on NEWBRIDGE, and have paid, or caused to be paid, all
                        material amounts of Taxes shown to be due and payable
                        thereon, and NEWBRIDGE's most recently published
                        financial statements contain an adequate provision in
                        accordance with Canadian generally accepted accounting
                        principles for all material amounts of Taxes payable in
                        respect of each period covered by such financial
                        statements and all prior periods to the extent such
                        Taxes have not been paid, whether or not due and whether
                        or not shown as being due on any Tax Returns. NEWBRIDGE
                        and each of the NEWBRIDGE





<PAGE>   29
                                      -26-



                        Material Subsidiaries have made adequate provision in
                        accordance with Canadian generally accepted accounting
                        principles in their books and records for any material
                        amounts of Taxes accruing in respect of any accounting
                        period which has ended subsequent to the period covered
                        by such financial statements.

                  (ii)  Neither NEWBRIDGE nor any NEWBRIDGE Material Subsidiary
                        has received any written notification that any issues
                        involving a material amount of Taxes have been raised
                        (and are currently pending) by Canada Customs and
                        Revenue Agency, the United States Internal Revenue
                        Service or any other taxing authority, including,
                        without limitation, any sales tax authority, in
                        connection with any of the Tax Returns filed or required
                        to be filed, and no waivers of statutes of limitations,
                        or objections to any assessments or reassessments, have
                        been given or requested or made with respect to
                        NEWBRIDGE or any NEWBRIDGE Material Subsidiary. All
                        liability of NEWBRIDGE and the NEWBRIDGE Material
                        Subsidiaries for income taxes has been assessed for all
                        fiscal years up to and including the fiscal year ended
                        April 30, 1990. Neither NEWBRIDGE nor any NEWBRIDGE
                        Material Subsidiary has received any written notice from
                        any taxing authority to the effect that any Tax Return
                        is being examined. To the best of the knowledge of
                        NEWBRIDGE, there are no proposed in writing (but
                        unassessed) additional Taxes involving a material amount
                        of Taxes and none has been asserted in writing. No Tax
                        liens have been filed for material amounts of Taxes
                        other than for Taxes not yet due and payable. Neither
                        NEWBRIDGE nor any of the NEWBRIDGE Material Subsidiaries
                        is a party to any Tax sharing or other similar agreement
                        or arrangement of any nature with any other person
                        (other than NEWBRIDGE or any of its subsidiaries)
                        pursuant to which NEWBRIDGE or any of the NEWBRIDGE
                        Material Subsidiaries has or could have any material
                        liabilities in respect of Taxes, other than any
                        liability arising under an agreement providing for the
                        sale or other disposition of property by NEWBRIDGE or
                        any of the NEWBRIDGE Material Subsidiaries. Neither
                        NEWBRIDGE nor any NEWBRIDGE Material Subsidiary has
                        received a refund of any Taxes to which it was not
                        entitled.

                  (iii) "TAX" and "TAXES" means, with respect to any entity, all
                        income taxes (including any tax on or based upon net
                        income, gross


<PAGE>   30
                                      -27-



                        income, income as specially defined, earnings, profits
                        or selected items of income, earnings or profits) and
                        all capital taxes, gross receipts taxes, environmental
                        taxes, sales taxes, use taxes, ad valorem taxes, value
                        added taxes, transfer taxes, franchise taxes, license
                        taxes, withholding taxes or other withholding
                        obligations, payroll taxes, employment taxes, Canada or
                        Quebec Pension Plan premiums, excise, severance, social
                        security premiums, workers' compensation premiums,
                        employment insurance or compensation premiums, stamp
                        taxes, occupation taxes, premium taxes, property taxes,
                        windfall profits taxes, alternative or add-on minimum
                        taxes, goods and services tax, customs duties or other
                        taxes of any kind whatsoever, together with any interest
                        and any penalties or additional amounts imposed by any
                        taxing authority (domestic or foreign) on such entity or
                        for which such entity is responsible, and any interest,
                        penalties, additional taxes, additions to tax or other
                        amounts imposed with respect to the foregoing.

                  (iv)  For purposes of this Section 3.1(k), the term "material
                        amount of Taxes" shall mean an amount of Taxes that is
                        material to NEWBRIDGE and its subsidiaries taken as a
                        whole.

         (l)      Pension and Employee Benefits.

                  (i)   NEWBRIDGE has made available to ALCATEL a list of all
                        employee benefit, health, welfare, supplemental
                        unemployment benefit, bonus, pension, profit sharing,
                        deferred compensation, stock option, stock compensation,
                        stock purchase, retirement, hospitalization insurance,
                        medical, dental, legal, disability and similar plans or
                        arrangements or practices, whether written or oral,
                        which are maintained by NEWBRIDGE and/or any NEWBRIDGE
                        Material Subsidiary (collectively referred to as the
                        "NEWBRIDGE Plans"). NEWBRIDGE has previously delivered
                        to ALCATEL in a form acceptable to ALCATEL a statement
                        as to which of the NEWBRIDGE Plans constitute "employee
                        pension benefit plans" (as defined in Section 3(2) of
                        the United States Employee Retirement Income Security
                        Act of 1974, as amended ("ERISA")) or "employee welfare
                        benefit plans" (as defined in Section 3(1) of ERISA).

                  (ii)  To NEWBRIDGE's knowledge, no step has been taken, no
                        event has occurred and no condition or circumstance
                        exists that has resulted in or could reasonably be
                        expected to result in any

<PAGE>   31
                                      -28-



                        NEWBRIDGE Plan being ordered or required to be
                        terminated or wound up in whole or in part or having its
                        registration under applicable Laws refused or revoked,
                        or being placed under the administration of any trustee
                        or receiver or regulatory authority or being required to
                        pay any material Taxes, penalties or levies under
                        applicable Laws. To NEWBRIDGE's knowledge, there are no
                        actions, suits, claims (other than routine claims for
                        payment of benefits in the ordinary course), trials,
                        demands, investigations, arbitrations or other
                        proceedings which are pending or threatened in respect
                        of any of the NEWBRIDGE Plans or their assets which
                        individually or in the aggregate would have a Material
                        Adverse Effect on NEWBRIDGE.

                  (iii) NEWBRIDGE has made available to ALCATEL true, correct
                        and complete copies of all of the material NEWBRIDGE
                        Plans (or, in the case of any material unwritten
                        NEWBRIDGE Plan, a description thereof) together with
                        funding agreements, actuarial reports, funding and
                        financial information returns and statements with
                        respect to each NEWBRIDGE Plan, and current plan
                        summaries, booklets and personnel manuals. NEWBRIDGE has
                        made available to ALCATEL a true and complete copy of
                        the most recent report filed with applicable
                        Governmental Entities with respect to each NEWBRIDGE
                        Plan in respect of which such a report was required.

                  (iv)  Other than as has been disclosed in writing by NEWBRIDGE
                        to ALCATEL in a form acceptable to ALCATEL, all of the
                        NEWBRIDGE Plans are in compliance in all material
                        respects with all applicable Laws and their terms, and
                        all of the NEWBRIDGE Plans are fully insured or fully
                        funded.

                  (v)   None of the NEWBRIDGE Plans is a "multi-employer plan"
                        within the meaning of ERISA, nor has NEWBRIDGE or any
                        NEWBRIDGE Material Subsidiary been obligated to
                        contribute to any such multi-employer plan at any time
                        within the past five years.

                  (vi)  Except as has been set forth in writing by NEWBRIDGE to
                        ALCATEL in a form acceptable to ALCATEL, the entry into
                        or performance by NEWBRIDGE of this Agreement and the
                        completion of the Arrangement and the transactions
                        contemplated thereby will not result in any payment
                        (including severance, unemployment compensation, golden
                        parachute, bonus or otherwise) becoming due to any
                        director, officer or



<PAGE>   32
                                      -29-


                        employee of NEWBRIDGE or any NEWBRIDGE Material
                        Subsidiary, or increase any benefits otherwise payable
                        under any NEWBRIDGE Plan or result in the acceleration
                        of time of payment or vesting of any such benefits.

         (m)      Reports. NEWBRIDGE has filed with the OSC and/or with the SEC
                  and/or with the NYSE true and complete copies of all forms,
                  reports, schedules, statements and other documents required to
                  be filed by it since January 1, 1998 (such forms, reports,
                  schedules, statements and other documents, including any
                  financial statements or other documents, including any
                  schedules included therein, are referred to as the "NEWBRIDGE
                  DOCUMENTS"). The NEWBRIDGE Documents at the time filed (i) did
                  not contain any misrepresentation of a material fact or omit
                  to state a material fact required to be stated therein or
                  necessary to make the statements therein, in the light of the
                  circumstances under which they were made, not misleading, and
                  (ii) complied in all material respects with the requirements
                  of applicable securities Laws. NEWBRIDGE has not filed any
                  confidential material change report with the OSC or any other
                  securities authority or regulator or any stock exchange or
                  other self-regulatory authority which at the date hereof
                  remains confidential.

         (n)      Compliance with Laws. Except as has been disclosed in writing
                  by NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL or
                  Publicly Disclosed by NEWBRIDGE, NEWBRIDGE and the NEWBRIDGE
                  Material Subsidiaries have complied with and are not in
                  violation of any applicable Laws, orders, judgements and
                  decrees other than non-compliance or violations which would
                  not, individually or in the aggregate, have a Material Adverse
                  Effect on NEWBRIDGE. Without limiting the generality of the
                  foregoing, all securities of NEWBRIDGE (including, all
                  options, rights or other convertible or exchangeable
                  securities) have been issued in compliance with all applicable
                  securities Laws and all securities to be issued upon exercise
                  of any such options, rights and other convertible or
                  exchangeable securities will be issued in compliance with all
                  applicable securities Laws.

         (o)      Restrictions on Business Activities. Except as has been set
                  forth in writing by NEWBRIDGE to ALCATEL in a form acceptable
                  to ALCATEL or Publicly Disclosed by NEWBRIDGE, there is no
                  agreement, judgement, injunction, order or decree binding upon
                  NEWBRIDGE or any subsidiary or affiliate that has or could
                  reasonably be expected to have the effect of prohibiting,
                  restricting or impairing any business practice of NEWBRIDGE or
                  any subsidiary or





<PAGE>   33
                                      -30-



                  affiliate, any acquisition of property by NEWBRIDGE or any
                  subsidiary or affiliate or the conduct of business by
                  NEWBRIDGE or any subsidiary or affiliate as currently
                  conducted (including following the Arrangement) other than
                  such agreements, judgements, injunctions, orders or decrees
                  which would not, individually or in the aggregate, have a
                  Material Adverse Effect on NEWBRIDGE.

         (p)      Property. Except as has been disclosed in writing by NEWBRIDGE
                  to ALCATEL in a form acceptable to ALCATEL, NEWBRIDGE and each
                  NEWBRIDGE Material Subsidiary have good and sufficient title
                  to the real property interests, including fee simple estate of
                  and in real property, leases, easements, rights of way,
                  permits or licences from land owners or authorities permitting
                  the use of land by NEWBRIDGE or such NEWBRIDGE Material
                  Subsidiary, necessary to permit the operation of its
                  businesses as presently owned and conducted except for such
                  failure of title that would individually or in the aggregate
                  not have a Material Adverse Effect on NEWBRIDGE. NEWBRIDGE is
                  not a party to, or under any agreement to become a party to,
                  any lease with respect to real property which if terminated
                  could reasonably be expected to have a Material Adverse Effect
                  on NEWBRIDGE.

         (q)      Licences, Etc. Except as has been disclosed in writing by
                  NEWBRIDGE to ALCATEL in a form acceptable to ALCATEL,
                  NEWBRIDGE and each NEWBRIDGE Material Subsidiary owns,
                  possesses, or has obtained and is in compliance with, all
                  licences, permits, certificates, orders, grants and other
                  authorizations of or from any Governmental Entity necessary to
                  conduct its businesses as now conducted except for such
                  failure that would individually or in the aggregate not have a
                  Material Adverse Effect on NEWBRIDGE.

         (r)      Registration Rights. No holder of securities issued by
                  NEWBRIDGE has any right to compel NEWBRIDGE to register or
                  otherwise qualify such securities for public sale in Canada or
                  the United States.

         (s)      Intellectual Property. NEWBRIDGE has set forth in writing in a
                  form acceptable to ALCATEL a complete and accurate list of all
                  registered trade-marks, service marks, copyrights, industrial
                  designs, patents, design patents and all applications therefor
                  of NEWBRIDGE or its subsidiaries ("NEWBRIDGE IP"). Except as
                  disclosed in writing in a form acceptable to ALCATEL, none of
                  NEWBRIDGE nor its subsidiaries has received written notice or
                  is aware that its use of NEWBRIDGE IP infringes upon or
                  breaches the industrial or intellectual property rights of any
                  other Person in any material respect. Except as disclosed in
                  writing in a form acceptable to ALCATEL,


<PAGE>   34
                                      -31-


                  NEWBRIDGE has not commenced legal proceedings relating to an
                  infringement by any Person of the NEWBRIDGE IP. NEWBRIDGE, to
                  its knowledge, has or has rights to use all of the
                  intellectual property necessary to conduct the business of
                  NEWBRIDGE as currently carried on except where the failure to
                  do so would not, individually or in the aggregate, have a
                  Material Adverse Effect on NEWBRIDGE.

         (t)      Non-Arm's Length Transactions. Except as has been set forth in
                  writing by NEWBRIDGE to ALCATEL in a form acceptable to
                  ALCATEL, there are no material contracts, commitments,
                  agreements, arrangements or other transactions between
                  NEWBRIDGE or any of its subsidiaries, on the one hand, and any
                  (i) officer or director of NEWBRIDGE or any of its
                  subsidiaries, (ii) record or beneficial owner of five percent
                  or more of the voting securities of NEWBRIDGE or (iii)
                  affiliate of any such officer, director or beneficial owner,
                  on the other hand.

         (u)      Insurance. NEWBRIDGE has provided or made available to ALCATEL
                  true, correct and complete copies of all material policies of
                  insurance to which each of NEWBRIDGE and its subsidiaries are
                  a party or are a beneficiary or named insured. NEWBRIDGE and
                  its subsidiaries maintain insurance coverage with reputable
                  insurers in such amounts and covering such risks as are in
                  accordance with normal industry practice for companies engaged
                  in businesses similar to that of NEWBRIDGE and its
                  subsidiaries (taking into account the cost and availability of
                  such insurance).

SECTION 3.2       REPRESENTATIONS AND WARRANTIES OF ALCATEL.

         ALCATEL represents and warrants to and in favour of NEWBRIDGE as
follows and acknowledges that NEWBRIDGE is relying upon such representations and
warranties in connection with the matters contemplated by this Agreement:

         (a)      Organization. ALCATEL has been duly incorporated or formed
                  under applicable Laws, is validly subsisting and has full
                  corporate or legal power and authority to own its properties
                  and conduct its businesses as currently owned and conducted.
                  All of the outstanding shares and other ownership interests of
                  the ALCATEL Material Subsidiaries which are held directly or
                  indirectly by ALCATEL are owned directly or indirectly by
                  ALCATEL, free and clear of all material liens, claims or
                  encumbrances, except as has been set forth in writing by
                  ALCATEL to NEWBRIDGE in a form acceptable to NEWBRIDGE or
                  pursuant to restrictions on transfers contained in articles or
                  similar documents.



<PAGE>   35
                                      -32-


         (b)      Capitalization. The issued capital of ALCATEL consists of
                  206,648,635 ALCATEL Shares, Euro 10 nominal value each, as at
                  the date hereof. There are warrants, options or other rights
                  to acquire from treasury not more than 3,000,000 ALCATEL
                  Shares outstanding as at December 31, 1999.

         (c)      Authority and No Violation.

                  (i)      ALCATEL has the requisite corporate power and
                           authority to enter into this Agreement, the Support
                           Agreement and the Exchange Trust Agreement and to
                           perform its obligations hereunder and thereunder. The
                           consummation by ALCATEL of the transactions
                           contemplated by this Agreement has been duly
                           authorized by its Board of Directors and no other
                           corporate proceedings on its part are necessary to
                           authorize this Agreement, the Support Agreement and
                           the Exchange Trust Agreement or the transactions
                           contemplated hereby or thereby, other than:

                           (A)      With respect to the ALCATEL Meeting, the
                                    ALCATEL Circular and other matters relating
                                    solely thereto, the approval of the Board of
                                    Directors of ALCATEL (and the COB); and

                           (B)      The approval of the ALCATEL Shareholders.

                  (ii)  This Agreement has been duly executed and delivered by
                        ALCATEL and constitutes its legal, valid and binding
                        obligation, enforceable against it in accordance with
                        its terms, subject to bankruptcy, insolvency and other
                        applicable Laws affecting creditors' rights generally,
                        and to general principles of equity. Each of the Support
                        Agreement and the Exchange Trust Agreement will be duly
                        executed and delivered by each of ALCATEL and its
                        subsidiaries who will be party thereto and, when so
                        executed and delivered, will constitute their respective
                        legal, valid and binding obligations, enforceable
                        against them in accordance with their respective terms,
                        subject to bankruptcy, insolvency and other applicable
                        Laws affecting creditors' rights generally, and to
                        general principles of equity.

                  (iii) The approval of this Agreement, the Support Agreement
                        and the Exchange Trust Agreement, the execution and
                        delivery by ALCATEL and each of its subsidiaries who
                        will be party thereto of this Agreement, the Support
                        Agreement and the Exchange


<PAGE>   36
                                      -33-


                        Trust Agreement and the performance by each of them of
                        their respective obligations hereunder and thereunder
                        and the completion of the Arrangement and the
                        transactions contemplated thereby, will not:

                        (A)         result (with or without notice or the
                                    passage of time) in a violation or breach
                                    of, require any consent to be obtained under
                                    or give rise to any termination, purchase or
                                    sale rights or payment obligation under any
                                    provision of:

                                    (I)     its certificate of incorporation,
                                            articles, by-laws or other charter
                                            documents;

                                    (II)    any Laws, judgement or decree
                                            (subject to obtaining the Regulatory
                                            Approvals relating to ALCATEL),
                                            except to the extent that the
                                            violation or breach of, or failure
                                            to obtain any consent under, any
                                            Laws, judgement or decree would not,
                                            individually or in the aggregate,
                                            have a Material Adverse Effect on
                                            ALCATEL;

                        (B)         except as would not, individually or in the
                                    aggregate, have a Material Adverse Effect on
                                    ALCATEL, result in the imposition of any
                                    encumbrance, charge or lien upon any of its
                                    assets or the assets of any ALCATEL Material
                                    Subsidiary; or

                        (C)         except as would not, individually or in the
                                    aggregate, have a Material Adverse Effect on
                                    ALCATEL, restrict, hinder, impair or limit
                                    the ability of ALCATEL or any ALCATEL
                                    Material Subsidiary to carry on business of
                                    ALCATEL or any ALCATEL Material Subsidiary
                                    as and where it is now being carried on.

                        No consent, approval, order or authorization of, or
                        declaration or filing with, any Governmental Entity is
                        required to be obtained by ALCATEL in connection with
                        the execution and delivery of this Agreement, the
                        Support Agreement and the Exchange Trust Agreement or
                        the consummation by ALCATEL of the transactions
                        contemplated hereby or thereby other than (A) the
                        Regulatory Approvals relating to ALCATEL, (B) any
                        filings required in connection with the creation and
                        issue of the ALCATEL ADSs, and (C) any other consents,
                        approvals, orders, authorizations, declarations or
                        filings of or with a



<PAGE>   37
                                      -34-


                        Governmental Entity which have been set forth in writing
                        by ALCATEL to NEWBRIDGE in a form acceptable to
                        NEWBRIDGE or which, if not obtained, would not,
                        individually or in the aggregate, have a Material
                        Adverse Effect on ALCATEL.

         (d)      Absence of Certain Changes or Events; No Defaults. Except as
                  Publicly Disclosed by ALCATEL, since December 31, 1999 through
                  to the date hereof ALCATEL and each ALCATEL Material
                  Subsidiary has conducted its business only in the ordinary and
                  regular course of business consistent with past practice and
                  there has not occurred:

                  (i)      a Material Adverse Change with respect to ALCATEL; or

                  (ii)     any material change in its accounting methods,
                           principles or practices.

                  Subject to obtaining the Regulatory Approvals relating to
                  ALCATEL and except as has been disclosed in writing by ALCATEL
                  to NEWBRIDGE in a form acceptable to NEWBRIDGE, neither
                  ALCATEL nor any of its subsidiaries is in default under, and
                  there exists no event, condition or occurrence which, after
                  notice or lapse of time or both, would constitute such a
                  default under, any contract, agreement, license or franchise
                  to which it is a party which would have a Material Adverse
                  Effect on ALCATEL.

         (e)      Financial Statements. The audited consolidated financial
                  statements for ALCATEL as at and for each of the 12-month
                  periods ended December 31, 1999 and 1998 have been prepared in
                  accordance with French generally accepted accounting
                  principles, the requirements of applicable Governmental
                  Entities and applicable securities Laws; such financial
                  statements present fairly, in all material respects, the
                  consolidated financial position and results of operations of
                  ALCATEL and its subsidiaries as of the respective dates
                  thereof and for the respective periods covered thereby.

         (f)      Reports. ALCATEL has filed with the PSE and/or the COB and/or
                  the NYSE and/or the SEC true and complete copies of all
                  material forms, reports, schedules, statements and other
                  documents required to be filed by it since January 1, 1998,
                  and such documents, at the time filed, complied in all
                  material respects with the requirements of applicable
                  securities Laws and did not contain any misrepresentation of a
                  material fact or omit to state a material fact required to be
                  stated


<PAGE>   38
                                      -35-


                  therein or necessary to make the statements therein, in the
                  light of the circumstances under which they were made, not
                  misleading.

         (g)      ALCATEL Shares. The ALCATEL Shares to be issued in connection
                  with the Arrangement and the ALCATEL ADSs to be provided upon
                  the exchange from time to time of the Exchangeable Shares and
                  upon the exercise of the NEWBRIDGE Options or the NEWBRIDGE
                  Warrants will, in all cases, be duly and validly issued by
                  ALCATEL on their respective dates of issue as fully paid and
                  non-assessable securities.

         (h)      Litigation, Etc. Except as has been set forth in writing by
                  ALCATEL to NEWBRIDGE in a form acceptable to NEWBRIDGE or
                  Publicly Disclosed by ALCATEL, there is no claim, action,
                  proceeding or investigation pending or, to the knowledge of
                  ALCATEL, threatened against ALCATEL or any ALCATEL Material
                  Subsidiary before any court or Governmental Entity that would
                  reasonably be expected to have a Material Adverse Effect on
                  ALCATEL or to prevent or materially delay consummation of the
                  transactions contemplated by this Agreement or the
                  Arrangement. Neither ALCATEL nor any ALCATEL Material
                  Subsidiary, nor any of their respective assets and properties,
                  is subject to any outstanding judgement, order, writ,
                  injunction or decree that has had or is reasonably likely to
                  have a Material Adverse Effect on ALCATEL or that would
                  prevent or materially delay consummation of the transactions
                  contemplated by this Agreement or the Arrangement.

         (i)      Environmental. Except as has been Publicly Disclosed by
                  ALCATEL and except for any matters that, individually or in
                  the aggregate, would not have a Material Adverse Effect on
                  ALCATEL or except as has been set forth in writing by ALCATEL
                  to NEWBRIDGE in a form acceptable to NEWBRIDGE:

                  (i)   all operations of ALCATEL and its subsidiaries have been
                        conducted, and are now, in compliance with all
                        Environmental Laws; and

                  (ii)  to its knowledge, neither ALCATEL nor any ALCATEL
                        Material Subsidiary is subject to:

                        (A)         any Environmental Law which requires or may
                                    require any material work, repairs,
                                    construction, change in business practices
                                    or operations, or expenditures; or


<PAGE>   39
                                      -36-


                        (B)         any written demand or written notice with
                                    respect to a breach of or liability under
                                    any Environmental Laws applicable to ALCATEL
                                    or any ALCATEL Material Subsidiary.

                  (j)   Compliance with Laws. Except as has been disclosed in
                        writing by ALCATEL to NEWBRIDGE in a form acceptable to
                        NEWBRIDGE or Publicly Disclosed by ALCATEL, ALCATEL and
                        the ALCATEL Material Subsidiaries have complied with and
                        are not in violation of any applicable Laws, orders,
                        judgements and decrees other than non-compliance or
                        violations which would not, individually or in the
                        aggregate, have a Material Adverse Effect on ALCATEL.

SECTION 3.3       SURVIVAL.

         For greater certainty, the representations and warranties of NEWBRIDGE
and ALCATEL contained herein shall survive the execution and delivery of this
Agreement and shall terminate on the earlier of the termination of this
Agreement in accordance with its terms and the Effective Time. Any investigation
by a party hereto and its advisors shall not mitigate, diminish or affect the
representations and warranties of another party to this Agreement.

                                    ARTICLE 4
                                    COVENANTS

SECTION 4.1       RETENTION OF GOODWILL.

         During the Pre-Effective Date Period, NEWBRIDGE will, subject to the
fact that a transaction involving its businesses is contemplated hereby,
continue to carry on the business of NEWBRIDGE and its subsidiaries in a manner
consistent with prior practice, working to preserve the attendant goodwill of
such entities and to contribute to retention of that goodwill to and after the
Effective Date, but subject to the following provisions of this Article 4. The
following provisions of this Article 4 are intended to be in furtherance of this
general commitment.

SECTION 4.2       TREATMENT OF OPTIONS, WARRANTS, ESPP AND KEEP.

         (a)      The NEWBRIDGE Options and the NEWBRIDGE Warrants will be dealt
                  with as provided in the Plan of Arrangement.

         (b)      NEWBRIDGE shall, as soon as reasonably practicable after the
                  date hereof, and in any event prior to April 30, 2000,
                  terminate the NEWBRIDGE Employee Stock Purchase Plan and the
                  NEWBRIDGE Key Employee Executive Plan.

<PAGE>   40

                                      -37-

SECTION 4.3       COVENANTS OF NEWBRIDGE.

(a)      NEWBRIDGE covenants and agrees that, until the Effective Date or the
         earlier termination of this Agreement in accordance with Article 6,
         except (i) with the consent of ALCATEL to any deviation therefrom; (ii)
         as has been disclosed in writing by NEWBRIDGE to ALCATEL in a form
         acceptable to ALCATEL on the date hereof; or (iii) with respect to any
         matter expressly contemplated by this Agreement or the Plan of
         Arrangement, including the transactions involving the businesses of
         NEWBRIDGE and ALCATEL contemplated hereby, NEWBRIDGE will, and will
         cause the NEWBRIDGE Material Subsidiaries to:

         (i)      carry on its business in, and only in, the ordinary and
                  regular course in substantially the same manner as heretofore
                  conducted and, to the extent consistent with such business,
                  use all reasonable efforts to preserve intact its present
                  business organization and keep available the services of its
                  present officers and employees and others having business
                  dealings with it to the end that its goodwill and business
                  shall be maintained;

         (ii)     not split, consolidate or reclassify any of the outstanding
                  shares of NEWBRIDGE nor declare, set aside or pay any
                  dividends on or make any other distributions on or in respect
                  of the outstanding shares of NEWBRIDGE;

         (iii)    not amend the articles or by-laws of NEWBRIDGE or materially
                  amend the articles or by-laws of any subsidiary;

         (iv)     except for the grant of stock options in accordance with lists
                  of employees to be provided to ALCATEL in accordance with
                  applicable Laws and in the normal course of business
                  consistent with past practice, not to exceed 1,500,000
                  NEWBRIDGE Common Shares per quarter and 3,000,000 NEWBRIDGE
                  Common Shares in aggregate, not sell, pledge, encumber, allot,
                  reserve, set aside or issue, authorize or propose the sale,
                  pledge, encumbrance, allotment, reservation, setting aside or
                  issuance of, or purchase or redeem or propose the purchase or
                  redemption of, any shares in its capital stock or of any
                  NEWBRIDGE Material Subsidiary thereof or any class of
                  securities convertible or exchangeable into, or rights,
                  warrants or options to acquire, any such shares or other
                  convertible or exchangeable securities, except for (a)
                  transactions between two or more wholly-owned NEWBRIDGE
                  subsidiaries or between a


<PAGE>   41


                                      -38-

                  wholly-owned subsidiary of NEWBRIDGE and NEWBRIDGE, and (b)
                  the issuance of NEWBRIDGE Common Shares pursuant to fully
                  vested and duly exercised NEWBRIDGE Options granted prior to
                  the date hereof;

         (v)      not amend, vary or modify the NEWBRIDGE Employee Stock
                  Purchase Plan, the NEWBRIDGE Stock Option Plan or the
                  NEWBRIDGE Key Employee Executive Program or any NEWBRIDGE
                  Options or other benefits granted thereunder;

         (vi)     not reorganize, amalgamate or merge NEWBRIDGE or any of the
                  NEWBRIDGE Material Subsidiaries with any other Person, nor
                  acquire or agree to acquire by amalgamating, merging or
                  consolidating with, purchasing substantially all of the assets
                  or shares of or otherwise, any business of any corporation,
                  partnership, association or other business organization or
                  division thereof, which acquisition would be material to its
                  business or financial condition on a consolidated basis;

         (vii)    except with respect to the sale of inventory of NEWBRIDGE or
                  any subsidiary in the ordinary and regular course of business
                  consistent with past practice, not sell, lease, encumber or
                  otherwise dispose of any material assets (other than relating
                  to transactions between two or more wholly-owned NEWBRIDGE
                  subsidiaries or between a wholly-owned subsidiary of NEWBRIDGE
                  and NEWBRIDGE);

         (viii)   carry out the terms of the Interim Order and the Final Order
                  applicable to it and use its reasonable efforts to comply
                  promptly with all requirements which applicable Laws may
                  impose on NEWBRIDGE or its subsidiaries with respect to the
                  transactions contemplated hereby and by the Arrangement;

         (ix)     not, and cause each of the NEWBRIDGE Material Subsidiaries
                  not:

                  (A)      other than pursuant to existing employment, pension,
                           supplemental pension, termination, compensation
                           arrangements or policies, enter into or modify any
                           employment, severance, collective bargaining or
                           similar agreements, policies or arrangements with, or
                           grant any bonuses, salary increases, pension or
                           supplemental pension benefits, profit sharing,
                           retirement allowances, deferred compensation,
                           incentive compensation,


<PAGE>   42


                                      -39-

                           severance or termination pay to or any other form of
                           compensation or with respect to any increase of
                           benefits payable to, or make any loan to, any
                           officers or directors of NEWBRIDGE or any NEWBRIDGE
                           Material Subsidiary; or

                  (B)      other than in the usual, ordinary and regular course
                           of business and consistent with past practice or
                           pursuant to existing employment, pension,
                           supplemental pension, termination, compensation
                           arrangements or policies, in the case of employees
                           who are not officers or directors of NEWBRIDGE or any
                           NEWBRIDGE Material Subsidiary, take any action with
                           respect to the entering into or modification of any
                           material employment, severance, collective bargaining
                           or similar agreements, policies or arrangements or
                           grant any material bonuses, salary increases, pension
                           or supplemental pension benefits, profit sharing,
                           retirement allowances, deferred compensation,
                           incentive compensation, severance or termination pay
                           or any other form of compensation or with respect to
                           any material increase of benefits payable, or make
                           any material loans to employees;

         (x)      not, and will cause its subsidiaries not to, settle or
                  compromise any claim brought by any present, former or
                  purported holder of any of its securities in connection with
                  the transactions contemplated by this Agreement or the
                  Arrangement prior to the Effective Date;

         (xi)     not guarantee the payment of material indebtedness or incur
                  material indebtedness for money borrowed or issue or sell any
                  debt securities except in the ordinary and regular course of
                  business consistent with past practice, other than as has been
                  set forth in writing on the date hereof by NEWBRIDGE to
                  ALCATEL in a form acceptable to ALCATEL;

         (xii)    not, except in the usual, ordinary and regular course of
                  business and consistent with past practice: (A) satisfy or
                  settle any claims or liabilities prior to the same being due,
                  except such as have been reserved against in the financial
                  statements of NEWBRIDGE and its subsidiaries or as has been
                  disclosed in writing to ALCATEL by NEWBRIDGE in a form
                  acceptable to ALCATEL, which are, individually or in the
                  aggregate, material; (B) grant any waiver, exercise any option
                  or relinquish


<PAGE>   43


                                      -40-

                  any contractual rights which are, individually or in the
                  aggregate, material; or (C) enter into any interest rate,
                  currency or commodity swaps, hedges or other similar financial
                  instruments;

         (xiii)   use its reasonable commercial efforts (or cause each of its
                  subsidiaries to use reasonable commercial efforts) to cause
                  its current insurance (or re-insurance) policies not to be
                  cancelled or terminated or any of the coverage thereunder to
                  lapse, unless simultaneously with such termination,
                  cancellation or lapse, replacement policies underwritten by
                  insurance and re-insurance companies of nationally recognized
                  standing providing coverage equal to or greater than the
                  coverage under the cancelled, terminated or lapsed policies
                  for substantially similar premiums are in full force and
                  effect;

         (xiv)    incur or commit to capital expenditures prior to the Effective
                  Date only in the ordinary course consistent with past practice
                  and not, in any event, exceeding $75 million, individually or
                  in the aggregate;

         (xv)     not make any changes to existing accounting practices relating
                  to NEWBRIDGE or any subsidiary, except as required by Canadian
                  or U.S. Law or required by Canadian or U.S. generally accepted
                  accounting principles, or make any material tax election
                  inconsistent with past practice; and

         (xvi)    promptly advise ALCATEL orally and in writing:

                  (A)      of any event occurring subsequent to the date of this
                           Agreement that would render any representation or
                           warranty of NEWBRIDGE contained in this Agreement
                           (except any such representation or warranty which
                           speaks solely as of a date prior to the occurrence of
                           such event), if made on or as of the date of such
                           event or the Effective Date, untrue or inaccurate in
                           any material respect;

                  (B)      of any Material Adverse Change in respect of
                           NEWBRIDGE; and

                  (C)      of any material breach by NEWBRIDGE of any covenant
                           or agreement contained in this Agreement;

<PAGE>   44

                                      -41-

         (b)      NEWBRIDGE shall and shall cause its subsidiaries to perform
                  all obligations required or desirable to be performed by
                  NEWBRIDGE or any of its subsidiaries under this Agreement,
                  co-operate with ALCATEL in connection therewith, and do all
                  such other acts and things as may be necessary or desirable in
                  order to consummate and make effective, as soon as reasonably
                  practicable, the transactions contemplated in this Agreement
                  and, without limiting the generality of the foregoing,
                  NEWBRIDGE shall and where appropriate shall cause its
                  subsidiaries to:

                  (i)      use all reasonable efforts to obtain the requisite
                           approvals of the NEWBRIDGE Shareholders to the
                           Arrangement;

                  (ii)     apply for and use all reasonable efforts to obtain
                           all Regulatory Approvals relating to NEWBRIDGE or any
                           of its subsidiaries and, in doing so, to keep ALCATEL
                           reasonably informed as to the status of the
                           proceedings related to obtaining the Regulatory
                           Approvals, including, but not limited to, providing
                           ALCATEL with copies of all related applications and
                           notifications, in draft form, in order for ALCATEL to
                           provide its reasonable comments;

                  (iii)    apply for and use all reasonable efforts to obtain
                           the Interim Order and the Final Order;

                  (iv)     defend all lawsuits or other legal, regulatory or
                           other proceedings to which it is a party challenging
                           or affecting this Agreement or the consummation of
                           the transactions contemplated hereby;

                  (v)      use its reasonable efforts to have lifted or
                           rescinded any injunction or restraining order
                           relating to NEWBRIDGE or other order which may
                           adversely affect the ability of the parties to
                           consummate the transactions contemplated hereby;

                  (vi)     effect all necessary registrations, filings and
                           submissions of information required by Governmental
                           Entities from NEWBRIDGE or any of its subsidiaries
                           relating to the Arrangement; and

                  (vii)    use its reasonable efforts to obtain all necessary
                           waivers, consents and approvals required to be
                           obtained by NEWBRIDGE or a subsidiary in connection
                           with the


<PAGE>   45


                                      -42-

                           Arrangement from other parties to any material loan
                           agreements, leases or other material contracts;

         (c)      NEWBRIDGE shall carry out the terms of the Interim Order and
                  Final Order applicable to it and use its reasonable efforts to
                  comply promptly with all requirements which applicable Laws
                  may impose on NEWBRIDGE or its subsidiaries with respect to
                  the transactions contemplated hereby and by the Arrangement;
                  and

         (d)      NEWBRIDGE shall use all reasonable efforts to cause the
                  Exchangeable Shares to be listed and posted for trading on The
                  Toronto Stock Exchange by the Effective Date.

SECTION 4.4       COVENANTS OF ALCATEL.

         ALCATEL hereby covenants and agrees:

         (a)      to perform all obligations required or desirable to be
                  performed by it under this Agreement, to co-operate with
                  NEWBRIDGE in connection therewith, and to do all such other
                  acts and things as may be necessary or desirable in order to
                  consummate and make effective, as soon as reasonably
                  practicable, the transactions contemplated by this Agreement
                  and, without limiting the generality of the foregoing, to:

                  (i)      use all reasonable efforts to obtain the requisite
                           approvals of the ALCATEL Shareholders;

                  (ii)     apply for and use all reasonable efforts to obtain
                           all Regulatory Approvals relating to ALCATEL, and, in
                           doing so, to keep NEWBRIDGE informed, subject to
                           applicable Laws, as to the status of the proceedings
                           related to obtaining the Regulatory Approvals,
                           including, but not limited to, providing NEWBRIDGE
                           with copies of all related applications and
                           notifications, in draft form, in order for NEWBRIDGE
                           to provide its reasonable comments, and providing
                           NEWBRIDGE with copies of all material correspondence
                           relating to the Regulatory Approvals;

                  (iii)    defend all lawsuits or other legal, regulatory or
                           other proceedings to which it is a party challenging
                           or affecting this Agreement or the consummation of
                           the transactions contemplated hereby;

                  (iv)     use all reasonable efforts to have lifted or
                           rescinded any injunction or restraining order or
                           other order relating to


<PAGE>   46


                                      -43-

                           ALCATEL which may adversely affect the ability of the
                           parties to consummate the transactions contemplated
                           hereby;

                  (v)      effect all necessary registrations, filings and
                           submissions of information required by Governmental
                           Entities from ALCATEL or their subsidiaries relating
                           to the Arrangement; and

                  (vi)     reserve for issuance, as required, ALCATEL Shares in
                           connection with the transactions contemplated by this
                           Agreement (including upon the exercise of ALCATEL
                           Options and ALCATEL Warrants) consistent with the
                           provisions of the Support Agreement; and

         (b)      to use all reasonable efforts to (i) cause the Exchangeable
                  Shares to be listed and posted for trading on The Toronto
                  Stock Exchange by the Effective Date and to maintain such
                  listings for so long as there are Exchangeable Shares
                  outstanding (other than those Exchangeable Shares held by
                  ALCATEL or any of its affiliates), and (ii) to ensure that
                  NEWBRIDGE remains a "public corporation" within the meaning of
                  the Income Tax Act (Canada) for so long as there are
                  Exchangeable Shares outstanding (other than those Exchangeable
                  Shares held by ALCATEL or any of its affiliates);

         (c)      to carry out the terms of the Interim Order and Final Order
                  applicable to it and use its reasonable efforts to comply
                  promptly with all requirements which applicable Laws may
                  impose on ALCATEL or its subsidiaries with respect to the
                  transactions contemplated hereby and by the Arrangement;

         (d)      until the Effective Date or the earlier termination of this
                  Agreement in accordance with Article 6, except (i) with the
                  consent of NEWBRIDGE to any deviation therefrom, which shall
                  not be unreasonably withheld; (ii) with respect to any matters
                  which were disclosed by ALCATEL to NEWBRIDGE in writing; or
                  (iii) with respect to any matter contemplated by this
                  Agreement or the Plan of Arrangement, including the
                  transactions involving the businesses of NEWBRIDGE and ALCATEL
                  contemplated hereby, ALCATEL will:

                  (i)      not split, consolidate or reclassify any of the
                           outstanding ALCATEL Shares, ALCATEL ADRs or ALCATEL
                           ADSs, nor declare, set aside or pay any dividends on
                           or make any other distributions on or in respect of
                           the outstanding ALCATEL Shares, other than the normal
                           and customary dividends on ALCATEL Shares (except for
                           a stock split contemplated to be


<PAGE>   47

                                      -44-

                           put before the holders of ALCATEL Shares at the next
                           ordinary general meeting for their approval);

                  (ii)     not reorganize, amalgamate or merge ALCATEL with any
                           other Person, nor acquire by amalgamating, merging or
                           consolidating with, purchasing a majority of the
                           voting securities or substantially all of the assets
                           of or otherwise, any business or Person which
                           acquisition or other transaction would reasonably be
                           expected to prevent or materially delay the
                           transactions contemplated hereby beyond the Outside
                           Date; and

                  (iii)    promptly advise NEWBRIDGE orally and in writing:

                           (A)      of any event occurring subsequent to the
                                    date of this Agreement that would render any
                                    representation or warranty of ALCATEL
                                    contained in this Agreement (except any such
                                    representation or warranty which speaks
                                    solely as of a date prior to the occurrence
                                    of such event), if made on or as of the date
                                    of such event or the Effective Date, untrue
                                    or inaccurate in any material respect;

                           (B)      of any Material Adverse Change in respect of
                                    ALCATEL; and

                           (C)      of any material breach by ALCATEL of any
                                    covenant or agreement contained in this
                                    Agreement.

SECTION 4.5       COVENANTS REGARDING NON-SOLICITATION.

(1)      Subject to Section 4.6, NEWBRIDGE shall not, directly or indirectly,
         through any officer, director, employee, representative (including for
         greater certainty any investment banker, lawyer or accountant) or agent
         of NEWBRIDGE or any of its subsidiaries, (i) solicit, initiate,
         knowingly encourage or otherwise facilitate (including by way of
         furnishing information or entering into any form of agreement,
         arrangement or understanding) the initiation of any inquiries or
         proposals regarding an Acquisition Proposal, (ii) participate in any
         discussions or negotiations regarding any Acquisition Proposal, (iii)
         approve or recommend any Acquisition Proposal or (iv) accept or enter
         into any agreement, arrangement or understanding related to any
         Acquisition Proposal. Notwithstanding the preceding part of this
         Section 4.5(1) and any other provision of this Agreement, nothing shall
         prevent the Board of Directors of NEWBRIDGE from complying with
         NEWBRIDGE's disclosure obligations under applicable Laws with regard to
         an Acquisition Proposal or from considering, participating in any
         discussions or negotiations, or entering


<PAGE>   48


                                      -45-

         into a confidentiality agreement and providing information pursuant to
         Section 4.5(3) (but, subject to Section 4.6, not approve, recommend,
         accept or enter into any agreement, arrangement or understanding),
         regarding an unsolicited bona fide written Acquisition Proposal (a) in
         respect of which any required financing has been demonstrated to the
         satisfaction of the Board of Directors of NEWBRIDGE, acting in good
         faith, to be reasonably likely to be obtained, (b) that did not
         otherwise result from a breach of this Section 4.5, and (c) which the
         Board of Directors of NEWBRIDGE has determined in good faith, after
         consultation with financial advisors and with outside counsel, is a
         Superior Proposal. NEWBRIDGE shall, and shall cause the officers,
         directors, employees, representatives and agents of NEWBRIDGE and its
         subsidiaries to, cease immediately all current discussions and
         negotiations regarding any proposal that constitutes, or may reasonably
         be expected to lead to, an Acquisition Proposal, and request the return
         or destruction of all confidential information provided in connection
         therewith.

(2)      NEWBRIDGE shall forthwith notify ALCATEL, at first orally and then in
         writing, of any Acquisition Proposal and any inquiry that could lead to
         an Acquisition Proposal, or any amendments to the foregoing, or any
         request for non-public information relating to NEWBRIDGE or any
         NEWBRIDGE Material Subsidiary in connection with an Acquisition
         Proposal or for access to the properties, books or records of NEWBRIDGE
         or any NEWBRIDGE Material Subsidiary by any Person that informs
         NEWBRIDGE or such NEWBRIDGE Material Subsidiary that it is considering
         making, or has made, an Acquisition Proposal. Such notice shall include
         a description of the material terms and conditions of any proposal, the
         identity of the Person making such proposal, inquiry or contact and
         provide such other details of the proposal, inquiry, contact,
         discussions or negotiations as ALCATEL may reasonably request.
         NEWBRIDGE shall keep ALCATEL informed of the status including any
         change to the material terms of any such Acquisition Proposal or
         inquiry.

(3)      If NEWBRIDGE receives a request for material non-public information
         from a Person who has made an unsolicited bona fide written Acquisition
         Proposal and NEWBRIDGE is permitted, subject to and as contemplated
         under the second sentence of Section 4.5(1), to negotiate the terms of
         such Acquisition Proposal, then, and only in such case, the Board of
         Directors of NEWBRIDGE may, subject to the execution by such Person of
         a confidentiality agreement containing employee non-solicitation and
         standstill provisions substantially similar to those contained in the
         confidentiality agreement then in effect between NEWBRIDGE and ALCATEL,
         provide such Person with access to information regarding NEWBRIDGE;
         provided, however, that the Person making the Acquisition Proposal
         shall not be precluded under such


<PAGE>   49

                                      -46-

         confidentiality agreement from making the Acquisition Proposal (but
         not, except subject to Section 4.6(4), any material amendment thereto)
         and provided further that NEWBRIDGE sends a copy of any such
         confidentiality agreement to ALCATEL promptly upon its execution and
         ALCATEL is provided with a list of or copies of the information
         provided to such Person and immediately provided with access to similar
         information to which such Person was provided.

(4)      NEWBRIDGE shall ensure that its officers, directors and employees and
         its subsidiaries and their officers, directors and employees and any
         financial advisors or other advisors or representatives retained by it
         or its subsidiaries are aware of the provisions of this Section 4.5,
         and it shall be responsible for any breach of this Section 4.5 by its
         and its subsidiaries' officers, directors, employees, representatives
         or agents.

SECTION 4.6       NOTICE BY NEWBRIDGE OF SUPERIOR PROPOSAL DETERMINATION.

(1)      Notwithstanding Sections 4.5(1), (2) and (3), but subject to ALCATEL's
         rights under Sections 6.3(3)(c) and 6.4, NEWBRIDGE may accept, approve
         or recommend or enter into any agreement, understanding or arrangement
         in respect of an unsolicited Superior Proposal if, and only if: (i) it
         has provided ALCATEL with a copy of the Superior Proposal document; and
         (ii) three Business Days shall have elapsed from the later of the date
         ALCATEL received written notice advising ALCATEL that NEWBRIDGE's Board
         of Directors has resolved, subject only to compliance with this Section
         4.6, to accept, approve, recommend or enter into an agreement,
         understanding or arrangement in respect of such Superior Proposal and
         the date ALCATEL received a copy of such Superior Proposal. Any
         information provided by NEWBRIDGE to ALCATEL pursuant to this Section
         4.6 or pursuant to Section 4.5 shall constitute "Information" under
         Section 4.7(2).

(2)      During such three Business Day period, NEWBRIDGE agrees that ALCATEL
         shall have the right, but not the obligation, to offer to amend the
         terms of this Agreement. The Board of Directors of NEWBRIDGE will
         review any offer by ALCATEL to amend the terms of this Agreement in
         good faith in order to determine, in its discretion in the exercise of
         its fiduciary duties (but without regard to any requirement for
         approval or further approval by ALCATEL's Shareholders), whether
         ALCATEL's offer upon acceptance by NEWBRIDGE would result in such
         Superior Proposal ceasing to be a Superior Proposal. If the Board of
         Directors of NEWBRIDGE so determines, it will enter into an amended
         agreement with ALCATEL reflecting ALCATEL's amended proposal. If the
         Board of Directors of NEWBRIDGE continues to believe, in good faith,
         after consultation with its financial advisors and outside counsel,
         that such Superior Proposal remains a Superior Proposal (without regard
         to


<PAGE>   50


                                      -47-

         any requirement for approval or further approval by ALCATEL's
         Shareholders) and therefore rejects ALCATEL's amended proposal,
         NEWBRIDGE may approve, recommend, accept or enter into an agreement,
         understanding or arrangement with respect to the Superior Proposal
         provided that such acceptance or agreement does not obligate NEWBRIDGE
         or any other Person to seek to interfere with the completion of the
         Arrangement or impose any "break-up", "hello" or other fees or options
         or rights to acquire assets or securities, or any other obligations
         that would survive the Effective Date, on NEWBRIDGE or any subsidiary
         unless and until this Agreement is terminated in accordance with its
         terms. In addition, in such circumstances, NEWBRIDGE may proceed with
         such approvals, consents, filings of or required by Governmental
         Entities and such other Persons as NEWBRIDGE shall consider appropriate
         in order to consummate such Superior Proposal, provided that such
         activity does not interfere with the completion of the Arrangement.

(3)      Nothing contained in this Section 4.6 shall limit in any way the
         obligation of NEWBRIDGE to convene and hold the NEWBRIDGE Meeting in
         accordance with Section 2.1 of this Agreement.

(4)      NEWBRIDGE acknowledges and agrees that each successive material
         amendment to any Acquisition Proposal shall constitute a new
         Acquisition Proposal for purposes of the requirement under clause (ii)
         of Section 4.6(1) to initiate an additional three Business Day notice
         period.

SECTION 4.7       ACCESS TO INFORMATION.

(1)      Subject to Section 4.7(2) and applicable Laws, upon reasonable notice,
         NEWBRIDGE shall (and shall cause each of its subsidiaries to) afford
         ALCATEL's officers, employees, counsel, accountants and other
         authorized representatives and advisors ("REPRESENTATIVES") access,
         during normal business hours from the date hereof and until the earlier
         of the Effective Date or the termination of this Agreement, to its and
         its subsidiaries' properties, books, contracts and records as well as
         to its management personnel, and, during such period, NEWBRIDGE shall
         (and shall cause each of its subsidiaries to) furnish promptly to
         ALCATEL all information concerning NEWBRIDGE's and its subsidiaries'
         businesses, properties and personnel as ALCATEL may reasonably request.
         Subject to Section 4.7(2) and applicable Laws, upon reasonable notice,
         ALCATEL shall afford NEWBRIDGE's Representatives the opportunity, upon
         reasonable notice and during normal business hours from the date hereof
         and until the earlier of the Effective Date or termination of this
         Agreement, to speak to appropriate management personnel as NEWBRIDGE
         may reasonably request, without materially interfering with their other
         responsibilities, provided that all such


<PAGE>   51

                                      -48-

         conversations shall impose upon NEWBRIDGE confidentiality obligations
         equivalent to those applicable to ALCATEL under the Confidentiality
         Agreement, mutatis mutandis.

(2)      Each of ALCATEL and NEWBRIDGE acknowledges that certain information
         provided to it under Section 4.7(1) above will be non-public and/or
         proprietary in nature (the "INFORMATION") and will be subject to the
         terms of the Confidentiality Agreement and Section 4.7(1). For greater
         certainty, the provisions of the Confidentiality Agreement shall
         survive the termination of this Agreement, provided that the
         Confidentiality Agreement and Section 4.7(1) shall terminate at the
         Effective Time notwithstanding anything to the contrary contained
         therein.

SECTION 4.8       CLOSING MATTERS.

         Each of ALCATEL and NEWBRIDGE shall deliver, at the closing of the
transactions contemplated hereby, such customary certificates, resolutions and
other closing documents as may be required by the other party hereto, acting
reasonably.

SECTION 4.9       INDEMNIFICATION.

(1)      ALCATEL agrees that all rights to indemnification or exculpation now
         existing in favour of the directors or officers of NEWBRIDGE or any
         subsidiary as provided in the articles or by-laws thereof shall survive
         the Arrangement and shall continue in full force and effect for a
         period of not less than six years from the Effective Time.

(2)      There shall be maintained in effect, for not less than six years from
         the Effective Time, to the extent obtainable on reasonable commercial
         terms, coverage substantially equivalent to that in effect under the
         current policies of the directors' and officers' liability insurance
         maintained by NEWBRIDGE or any of its subsidiaries, as the case may be,
         which is no less advantageous, and with no gaps or lapses in coverages
         with respect to matters occurring prior to the Effective Time.
         Alternatively, at ALCATEL's option, it may cause NEWBRIDGE to purchase
         "run-off" directors' and officers' liability insurance to cover prior
         events during such six year period or the balance thereof.

SECTION 4.10      POOLING OF INTERESTS ACCOUNTING.

(1)      ALCATEL shall each use its reasonable best efforts to cause the
         business combination contemplated by the Arrangement to be effected in
         such a manner as to ensure that such business combination will be
         accounted for as of the Effective Date as a pooling of interests under
         French generally accepted accounting principles, and will use its
         reasonable best efforts to refrain from taking any actions which will
         prevent such accounting treatment.

<PAGE>   52

                                      -49-

(2)      ALCATEL represents and warrants to NEWBRIDGE that the COB has approved
         in principle such accounting treatment for the transactions
         contemplated hereby, and ALCATEL has caused to be delivered a letter in
         favour of NEWBRIDGE from its independent accountants confirming their
         view that the transactions contemplated herein may be so accounted.

SECTION 4.11      SAFE INCOME.

         NEWBRIDGE shall arrange for a "safe income tuck-in" transaction (the
"Tuck-in") or, if a Tuck-in does not achieve the objective of crystallizing the
"safe income" or results in other material adverse tax consequences to the
shareholder, another form of safe income crystallisation transaction, with any
shareholder having a significant "safe income" with respect to its shares of
NEWBRIDGE and requesting such a transaction, provided that:

         (a) only one form of transaction will be required and at least one
         shareholder must request such a transaction within ten (10) days of the
         date hereof;

         (b) such transaction is to be completed in accordance with applicable
         Laws prior to the Effective Date;

         (c) such transaction (other than a Tuck-in) must be accomplished in a
         manner that does not entail any material cost, expense, obligation or
         liability (and for this purpose $2,500,000 in the aggregate shall be
         deemed not to be material), or any delay in completing the Arrangement,
         to NEWBRIDGE or their respective subsidiaries or shareholders
         (including to NEWBRIDGE's non-participating shareholders); and

         (d) such transaction and its terms and conditions must be satisfactory
         to ALCATEL, acting reasonably (limited to, in the case of a Tuck-in,
         its effect on NEWBRIDGE or its shareholders).

In the event that such transaction or its terms and conditions are not
satisfactory to ALCATEL, acting reasonably, or the Ontario Securities Commission
refuses to grant any relief required in connection with any such transaction,
ALCATEL will use its reasonable best efforts, for a period not to exceed 15
Business Days to assist NEWBRIDGE in structuring such a transaction in a manner
satisfactory to ALCATEL, acting reasonably. The parties acknowledge that ALCATEL
will require, without limitation, that the Arrangement and related matters
(after taking into account any transaction described herein) be poolable under
French GAAP and not objectionable to the COB or the PSE, and that a Tuck-in does
not adversely affect these pooling and COB/PSE issues. In the event that no such
transaction is satisfactory to ALCATEL, acting reasonably, where it used its
reasonable best efforts as aforesaid, this shall not affect the completion of
the Arrangement.

<PAGE>   53

                                      -50-

                                   ARTICLE 5
                                   CONDITIONS

SECTION 5.1       MUTUAL CONDITIONS PRECEDENT.

         The respective obligations of the parties hereto to complete the
transactions contemplated by this Agreement shall be subject to the
satisfaction, on or before the Effective Date, of the following conditions
precedent, each of which may only be waived by the mutual consent of ALCATEL and
NEWBRIDGE:

         (a)      the Arrangement shall have been approved at the NEWBRIDGE
                  Meeting by not less than two-thirds of the votes cast by the
                  NEWBRIDGE Shareholders who are represented at the NEWBRIDGE
                  Meeting;

         (b)      the Arrangement shall have been approved at the NEWBRIDGE
                  Meeting in accordance with any conditions in addition to those
                  set out in Section 5.1(a) which may be imposed by the Interim
                  Order;

         (c)      the Interim Order and the Final Order shall each have been
                  obtained in form and on terms satisfactory to each of
                  NEWBRIDGE and ALCATEL, acting reasonably, and shall not have
                  been set aside or modified in a manner unacceptable to such
                  parties, acting reasonably, on appeal or otherwise;

         (d)      the ALCATEL Shareholders shall have approved the ALCATEL
                  Resolution at the ALCATEL Meeting by the requisite levels
                  required by applicable Laws;

         (e)      there shall not be in force any final and non-appealable
                  injunction, order or decree restraining or enjoining the
                  consummation of the transactions contemplated by this
                  Agreement and there shall be no proceeding (other than an
                  appeal made in connection with the Arrangement), of a judicial
                  or administrative nature or otherwise, brought by a
                  Governmental Entity in progress or threatened that relates to
                  or results from the transactions contemplated by this
                  Agreement that would, if successful, result in an order or
                  ruling that would preclude completion of the transactions
                  contemplated by this Agreement in accordance with the terms
                  hereof or would otherwise be inconsistent with the Regulatory
                  Approvals which have been obtained;

         (f)      this Agreement shall not have been terminated pursuant to
                  Article 6;

         (g)      the Exchangeable Shares shall have been conditionally approved
                  for listing on The Toronto Stock Exchange, the ALCATEL ADRs
                  and the


<PAGE>   54


                                      -51-

                  ALCATEL ADSs to be provided upon the exchange of Exchangeable
                  Shares shall have been approved for listing on the NYSE, and
                  the ALCATEL Shares to be issued in connection with the
                  Arrangement shall have been approved for listing on the PSE,
                  subject to the filing of required documentation, notice of
                  issuance and/or other usual requirements;

         (h)      other than the Regulatory Approvals, all consents, waivers,
                  permits, orders and approvals of any Governmental Entity, and
                  the expiry of any waiting periods, in connection with, or
                  required to permit, the consummation of the Arrangement, the
                  failure of which to obtain or the non-expiry of which would
                  constitute a criminal offense, or would have a Material
                  Adverse Effect on ALCATEL or NEWBRIDGE, as the case may be,
                  shall have been obtained or received on terms that will not
                  have a Material Adverse Effect on ALCATEL and/or NEWBRIDGE;
                  there shall not be pending or threatened any suit, action or
                  proceeding by any Governmental Entity: (i) seeking to prohibit
                  or restrict the acquisition by ALCATEL or any of its
                  subsidiaries of any NEWBRIDGE Common Shares, seeking to
                  restrain or prohibit the consummation of the Plan of
                  Arrangement or seeking to obtain from NEWBRIDGE or ALCATEL any
                  damages directly or indirectly in connection with the
                  Arrangement, (ii) seeking to prohibit or materially limit the
                  ownership or operation by ALCATEL or any of its subsidiaries
                  of any material portion of the business or assets of NEWBRIDGE
                  or any of its subsidiaries or to compel ALCATEL or any of its
                  subsidiaries to dispose of or hold separate any material
                  portion of the business or assets of NEWBRIDGE or any of its
                  subsidiaries, (iii) seeking to impose limitations on the
                  ability of ALCATEL or any of its subsidiaries to acquire or
                  hold, or exercise full rights of ownership of, any NEWBRIDGE
                  Common Shares, including the right to vote the NEWBRIDGE
                  Common Shares purchased by them on all matters properly
                  presented to the shareholders of NEWBRIDGE, (iv) seeking to
                  prohibit ALCATEL or any of its subsidiaries from effectively
                  controlling in any material respect the business or operations
                  of NEWBRIDGE or any of its subsidiaries or (v) which otherwise
                  is reasonably likely to have a Material Adverse Effect on
                  NEWBRIDGE or ALCATEL; and

         (i)      the Regulatory Approvals shall have been obtained or satisfied
                  on terms and conditions satisfactory to ALCATEL and NEWBRIDGE
                  (but only insofar as it would directly affect NEWBRIDGE
                  shareholders), acting reasonably, and in connection therewith
                  ALCATEL shall have regard to the magnitude of the transaction.


<PAGE>   55

                                      -52-

SECTION 5.2       ADDITIONAL CONDITIONS PRECEDENT TO THE OBLIGATIONS OF ALCATEL.

(1)      The obligations of ALCATEL to complete the transactions contemplated by
         this Agreement shall also be subject to the fulfilment of each of the
         following conditions precedent (each of which is for ALCATEL's
         exclusive benefit and may be waived by ALCATEL):

         (a)      all covenants of NEWBRIDGE under this Agreement to be
                  performed on or before the Effective Date shall have been duly
                  performed by NEWBRIDGE in all material respects;

         (b)      the representations and warranties of NEWBRIDGE shall have
                  been true and correct on the date hereof;

         (c)      the representations and warranties of NEWBRIDGE shall be true
                  and correct in all material respects (except where already
                  qualified as to materiality or the absence of a Material
                  Adverse Effect) as of the Effective Date as if made on and as
                  of such date (except to the extent such representations and
                  warranties speak solely as of an earlier date, in which event
                  such representations and warranties shall be true and correct
                  to such extent as of such earlier date, or except as affected
                  by transactions contemplated or permitted by this Agreement),
                  and ALCATEL shall have received a certificate of NEWBRIDGE
                  addressed to ALCATEL and dated the Effective Date, signed on
                  behalf of NEWBRIDGE by two senior executive officers of
                  NEWBRIDGE (on NEWBRIDGE's behalf and without personal
                  liability), confirming the same as at the Effective Date;

         (d)      at the request of ALCATEL, NEWBRIDGE shall have executed a
                  waiver(s) or other agreement(s) by or with Kanata Research
                  Park Corporation relating to the extension for up to two (2)
                  five year terms of any leases to which it is a party with
                  NEWBRIDGE on the same terms and at agreed or arbitrated fair
                  market value rents, subject only to applicable Laws;

         (e)      the Board of Directors of NEWBRIDGE shall have adopted all
                  necessary resolutions, and all other necessary corporate
                  action shall have been taken by NEWBRIDGE and the subsidiaries
                  to permit the consummation of the Arrangement;

         (f)      between the date hereof and the Effective Date, there shall
                  not have occurred a Material Adverse Change to NEWBRIDGE;


<PAGE>   56

                                      -53-

         (g)      the transactions contemplated by the Arrangement shall be able
                  to be accounted for as a pooling of interests under French
                  generally accepted accounting principles; and

         (h)      the holders of NEWBRIDGE Common Shares representing in excess
                  of 5% of the outstanding NEWBRIDGE Common Shares shall not
                  have exercised dissent or similar rights in connection with
                  the Arrangement.

(2)      ALCATEL may not rely on the failure to satisfy any of the above
         conditions precedent if the condition precedent would have been
         satisfied but for a material default by ALCATEL in complying with their
         obligations hereunder.

SECTION 5.3     ADDITIONAL CONDITIONS PRECEDENT TO THE OBLIGATIONS OF NEWBRIDGE.

(1)      The obligations of NEWBRIDGE to complete the transactions contemplated
         by this Agreement shall also be subject to the following conditions
         precedent (each of which is for the exclusive benefit of NEWBRIDGE and
         may be waived by NEWBRIDGE):

         (a)      all covenants of ALCATEL under this Agreement to be performed
                  on or before the Effective Date shall have been duly performed
                  by ALCATEL in all material respects;

         (b)      all representations and warranties of ALCATEL under this
                  Agreement shall have been true and correct on the date hereof;

         (c)      the representations and warranties of ALCATEL shall be true
                  and correct in all material respects (except where already
                  qualified as to materiality or the absence of a Material
                  Adverse Effect) as of the Effective Date as if made on and as
                  of such date (except to the extent such representations and
                  warranties speak solely as of an earlier date, in which event
                  such representations and warranties shall be true and correct
                  to such extent as of such earlier date, or except as affected
                  by transactions contemplated or permitted by this Agreement),
                  and NEWBRIDGE shall have received a certificate of ALCATEL
                  addressed to NEWBRIDGE and dated the Effective Date, signed on
                  behalf of ALCATEL by two senior executive officers of ALCATEL
                  (on ALCATEL's behalf and without personal liability),
                  confirming the same as at the Effective Date;

         (d)      the Board of Directors of ALCATEL shall have adopted all
                  necessary resolutions, and all other necessary corporate
                  action shall have been taken by ALCATEL to permit the
                  consummation of the Arrangement


<PAGE>   57

                                      -54-

                  and the provision of ALCATEL ADSs upon the exchange from time
                  to time of the Exchangeable Shares;

         (e)      between the date hereof and the Effective Date, there shall
                  not have occurred a Material Adverse Change to ALCATEL; and

         (f)      the orders referred to in Section 2.7(1) shall have been
                  obtained.

(2)      NEWBRIDGE may not rely on the failure to satisfy any of the above
         conditions precedent if the condition precedent would have been
         satisfied but for a material default by NEWBRIDGE in complying with its
         obligations hereunder.

SECTION 5.4       NOTICE AND CURE PROVISIONS.

(1)      ALCATEL and NEWBRIDGE will give prompt notice to the other of the
         occurrence, or failure to occur, at any time from the date hereof until
         the Effective Date, of any event or state of facts which occurrence or
         failure would, or would be likely to:

         (a)      cause any of the representations or warranties of the other
                  party contained herein to be untrue or inaccurate on the date
                  hereof or on the Effective Date; or

         (b)      result in the failure in any material respect to comply with
                  or satisfy any covenant, condition or agreement to be complied
                  with or satisfied by the other hereunder prior to the
                  Effective Date.

(2)      Neither ALCATEL nor NEWBRIDGE may seek to rely upon any conditions
         precedent contained in Sections 5.1, 5.2 or 5.3, or exercise any
         termination right arising therefrom, unless forthwith and in any event
         prior to the filing of the Articles of Arrangement for acceptance by
         the Director, ALCATEL or NEWBRIDGE, as the case may be, has delivered a
         written notice to the other specifying in reasonable detail all
         breaches of covenants, representations and warranties or other matters
         which ALCATEL or NEWBRIDGE, as the case may be, are asserting as the
         basis for the non-fulfilment of the applicable condition precedent or
         the exercise of the termination right, as the case may be. If any such
         notice is delivered, provided that NEWBRIDGE or ALCATEL, as the case
         may be, is proceeding diligently to cure such matter, if such matter is
         susceptible to being cured (for greater certainty, except by way of
         disclosure in the case of representations and warranties), the other
         may not terminate this Agreement as a result thereof until the later of
         the 30 days prior to the Outside Date and the expiration of a period of
         30 days from such notice. If such notice has been delivered prior to
         the date of the NEWBRIDGE Meeting, such meeting shall, unless the
         parties agree otherwise, be postponed

<PAGE>   58

                                      -55-

         or adjourned until the expiry of such period. If such notice has been
         delivered prior to the making of the application for the Final Order or
         the filing of the Articles of Arrangement with the Director, such
         application and such filing shall be postponed until the expiry of such
         period. For greater certainty, in the event that such matter is cured
         within the time period referred to herein without a Material Adverse
         Effect on the curing party, this Agreement may not be terminated as a
         result of the cured breach.

SECTION 5.5       SATISFACTION OF CONDITIONS.

         The conditions precedent set out in Sections 5.1, 5.2 and 5.3 shall be
conclusively deemed to have been satisfied, waived or released when, with the
agreement of ALCATEL and NEWBRIDGE, a certificate of arrangement in respect of
the Arrangement is issued by the Director.

                                   ARTICLE 6
                            AMENDMENT AND TERMINATION

SECTION 6.1       AMENDMENT.

         This Agreement and the Plan of Arrangement may, at any time and from
time to time before or after the holding of the NEWBRIDGE Meeting or the ALCATEL
Meeting but not later than the Effective Date, be amended by mutual written
agreement of the parties hereto, and any such amendment may, subject to
applicable Laws and the Interim Order, without limitation:

         (a)      change the time for performance of any of the obligations or
                  acts of the parties;

         (b)      waive any inaccuracies or modify any representation or
                  warranty contained herein or in any document delivered
                  pursuant hereto;

         (c)      waive compliance with or modify any of the covenants herein
                  contained and waive or modify performance of any of the
                  obligations of the parties; and/or

         (d)      waive compliance with or modify any conditions precedent
                  herein contained.

SECTION 6.2       MUTUAL UNDERSTANDING REGARDING AMENDMENTS.

         The parties agree that if ALCATEL or NEWBRIDGE, as the case may be,
propose any amendment or amendments to this Agreement or to the Plan of
Arrangement, the other will act reasonably in considering such amendment and if
the other and its security holders are not prejudiced by reason of any such
amendment the other will co-operate in a reasonable fashion with ALCATEL or

<PAGE>   59

                                      -56-

NEWBRIDGE, as the case may be, so that such amendment can be effected subject to
applicable Laws and the rights of the security holders. Without limiting the
generality of the foregoing, ALCATEL shall, acting reasonably, consider in good
faith any proposal from NEWBRIDGE made within 7 Business Days hereof regarding
the attributes of the Exchangeable Shares and ancillary rights (including the
outside date of their redemption and whether the holders thereof can indirectly
possess any voting rights at the ALCATEL level or other features of the
Arrangement), but the decision to modify any of such attributes shall be in the
sole discretion of ALCATEL.

SECTION 6.3       TERMINATION.

(1)      If any condition contained in Sections 5.1 or 5.2 is not satisfied at
         or before the Effective Date to the satisfaction of ALCATEL, then
         ALCATEL may, subject to Section 5.4 and to Section 5.2(2) in the case
         of Section 5.2, by notice to NEWBRIDGE terminate this Agreement and the
         obligations of the parties hereunder (except as otherwise herein
         provided, including under Section 6.4), but without detracting from the
         rights of ALCATEL arising from any breach by NEWBRIDGE but for which
         the condition would have been satisfied.

(2)      If any condition contained in Sections 5.1 or 5.3 is not satisfied at
         or before the Effective Date to the satisfaction of NEWBRIDGE, then
         NEWBRIDGE may, subject to Section 5.4 and to Section 5.3(2) in the case
         of Section 5.3, by notice to ALCATEL terminate this Agreement and the
         obligations of the parties hereunder (except as otherwise herein
         provided, including under Section 6.4), but without detracting from the
         rights of NEWBRIDGE arising from any breach by ALCATEL but for which
         the condition would have been satisfied.

(3)      This Agreement may:

         (a)      be terminated by the mutual agreement of NEWBRIDGE and ALCATEL
                  (for greater certainty, without further action on the part of
                  the NEWBRIDGE Shareholders or the ALCATEL Shareholders if
                  terminated after the holding of the NEWBRIDGE Meeting or the
                  ALCATEL Meeting, as applicable);

         (b)      be terminated by either NEWBRIDGE or ALCATEL if there shall be
                  passed any Law that makes consummation of the transactions
                  contemplated by this Agreement illegal or otherwise
                  prohibited; or

         (c)      be terminated by ALCATEL if (A) the Board of Directors of
                  NEWBRIDGE shall have failed to recommend or shall have
                  withdrawn, modified or changed in a manner adverse to ALCATEL
                  its approval or recommendation of this Agreement or the
                  Arrangement (unless ALCATEL has suffered a Material Adverse
                  Change or

<PAGE>   60

                                      -57-

                  ALCATEL shall have made a misrepresentation at the date hereof
                  or breached a covenant under this Agreement in such a manner
                  that, taking into account Sections 5.3(2) and 5.4, NEWBRIDGE
                  would be entitled to rely on the failure of a condition set
                  forth in Sections 5.3(1)(a), (b) or (e) as a reason not to
                  complete the Arrangement), or (B) the Board of Directors of
                  NEWBRIDGE shall have approved or recommended any Acquisition
                  Proposal;

         in each case, prior to the Effective Date.

(4)      If the Effective Date does not occur on or prior to the Outside Date,
         then, unless otherwise agreed in writing by the parties, this Agreement
         shall terminate, provided that in the event that the conditions set
         forth in Sections 5.1(g), (h) or (i) above shall not have been
         satisfied by that date, either party may unilaterally extend the
         Outside Date until December 31, 2000 upon written notice to the other
         party prior to September 30, 2000, in which case the Outside Date shall
         be deemed for all purposes to be December 31, 2000.

(5)      If this Agreement is terminated in accordance with the foregoing
         provisions of this Section 6.3, no party shall have any further
         liability to perform its obligations hereunder except as provided in
         Section 6.4 and as otherwise contemplated hereby, and provided that
         neither the termination of this Agreement nor anything contained in
         this Section 6.3(5) shall relieve any party from any liability for any
         breach by it of this Agreement, including from any inaccuracy in its
         representations and warranties and any non-performance by it of its
         covenants made herein.

SECTION 6.4       BREAK AND OTHER FEES; OPTION.

(1)      If:

         (a)      ALCATEL shall terminate this Agreement pursuant to Section
                  6.3(3)(c); or

         (b)      either NEWBRIDGE or ALCATEL shall terminate this Agreement
                  pursuant to Section 6.3(1) or (2) as a result of the failure
                  to satisfy the conditions specified in either Section 5.1(a)
                  or Section 5.1(b) in circumstances where the requisite
                  NEWBRIDGE Shareholder approval has not been obtained at the
                  WENGRINDER Meeting, and an Acquisition Proposal has been made
                  by any person other than ALCATEL prior to the NEWBRIDGE
                  Meeting;

         then in any such case NEWBRIDGE shall pay to ALCATEL $375 million in
         immediately available funds to an account designated by ALCATEL. Such


<PAGE>   61

                                      -58-

         payment shall be due (A) in the case of a termination specified in
         clause (a), within one Business Day after written notice of termination
         by ALCATEL or (B) in the case of a termination specified in clause (b),
         within one Business Day after written notice of termination by either
         ALCATEL or prior to written notice of termination by NEWBRIDGE,
         respectively. NEWBRIDGE shall not be obligated to make more than one
         payment pursuant to this Section 6.4(1).

(2)      If the holders of the NEWBRIDGE Common Shares shall fail to approve the
         Arrangement (unless ALCATEL shall have suffered a Material Adverse
         Change or ALCATEL shall have made a misrepresentation at the date
         hereof or breached a covenant under this Agreement in such a manner
         that, taking into account Sections 5.3(2) and 5.4, NEWBRIDGE would be
         entitled to rely on the failure of a condition set forth in Sections
         5.3(1)(a), (b) or (e) as a reason not to complete the Arrangement) at
         the NEWBRIDGE Meeting, then, except in the circumstances contemplated
         in Section 6.4(1) above, on the first Business Day following the
         termination of this Agreement as a result thereof, NEWBRIDGE shall pay
         to ALCATEL $10,000,000 as payment in full of ALCATEL's out-of-pocket
         costs and expenses in connection with the transaction contemplated by
         this Agreement in immediately available funds to an account designated
         by ALCATEL.

(3)      If the ALCATEL Shareholders shall fail to approve the ALCATEL
         Resolution put forward for approval (unless NEWBRIDGE shall have
         suffered a Material Adverse Change or NEWBRIDGE shall have made a
         misrepresentation at the date hereof or breached a covenant under this
         Agreement in such a manner that, taking into account Section 5.4,
         ALCATEL would be entitled to rely on the failure of a condition set
         forth in Sections 5.2(1)(a), (b) or (f) as a reason not to complete the
         Arrangement) at the ALCATEL Meeting, then, except in the circumstances
         contemplated in Section 6.4(1) above, on the first Business Day
         following the termination of this Agreement as a result thereof,
         ALCATEL shall pay to NEWBRIDGE $10,000,000 as payment in full of
         NEWBRIDGE's out-of-pocket costs and expenses in connection with the
         transaction contemplated by this Agreement in immediately available
         funds to an account designated by NEWBRIDGE.

(4)      On the date hereof, NEWBRIDGE granted to ALCATEL the option to purchase
         NEWBRIDGE Common Shares upon the terms and subject to the conditions
         contained in the Option Agreement, a copy of which is attached as
         Schedule F.

SECTION 6.5       REMEDIES.

         The parties hereto acknowledge and agree that an award of money damages
would be inadequate for any breach of this Agreement by any party or its

<PAGE>   62

                                      -59-

representatives and any such breach would cause the non-breaching party
irreparable harm. Accordingly, the parties hereto agree that, in the event of
any breach or threatened breach of this Agreement by one of the parties, the
non-breaching party will also be entitled, without the requirement of posting a
bond or other security, to equitable relief, including injunctive relief and
specific performance. Such remedies will not be the exclusive remedies for any
breach of this Agreement but will be in addition to all other remedies available
at law or equity to each of the parties.

                                   ARTICLE 7
                                     GENERAL

SECTION 7.1       NOTICES.

         All notices and other communications which may or are required to be
given pursuant to any provision of this Agreement shall be given or made in
writing and shall be deemed to be validly given if served personally or by
telecopy, in each case addressed to the particular party at:

         (a)      If to ALCATEL, at:

                           c/o ALCATEL
                           54 Rue de La Boetie
                           75008 Paris France

                           Attention:         General Counsel
                           Telecopier No.:    011-331-4076-1435

                  with a copy to:

                           Stikeman, Elliott
                           Box 85, Commerce Court West
                           199 Bay Street, 53rd Floor
                           Toronto, Ontario, Canada  M5L 1B9

                           Attention:         Mr. Simon Romano
                           Telecopier No.:   (416) 947-0866

         (b)      If to NEWBRIDGE at:

                           600 March Road
                           Kanata, Ontario, Canada K2K 2E6

<PAGE>   63

                                      -60-


                           Attention:        General Counsel
                           Telecopier No.:   613-599-3673

                  with a copy to:

                           Osler Hoskin & Harcourt
                           1500 - 50 O'Connor Street
                           Ottawa, Ontario, Canada
                           K1P 6L2

                           Attention:        Ms. Elizabeth Walker
                           Telecopier No.:  (613) 235-2867

or at such other address of which any party may, from time to time, advise the
other parties by notice in writing given in accordance with the foregoing. The
date of receipt of any such notice shall be deemed to be the date of delivery or
telecopying thereof.

SECTION 7.2       ASSIGNMENT.

         No party hereto may assign its rights or obligations under this
Agreement or the Arrangement, except that ALCATEL may assign all or part of its
rights or obligations, without reducing its own obligations hereunder, to a
wholly-owned subsidiary.

SECTION 7.3       BINDING EFFECT.

         This Agreement and the Arrangement shall be binding upon and shall
enure to the benefit of the parties hereto and their respective successors and
permitted assigns and no third party shall have any rights hereunder.

SECTION 7.4       WAIVER AND MODIFICATION.

         NEWBRIDGE and ALCATEL may waive or consent to the modification of, in
whole or in part, any inaccuracy of any representation or warranty made to them
hereunder or in any document to be delivered pursuant hereto and may waive or
consent to the modification of any of the covenants herein contained for their
respective benefit or waive or consent to the modification of any of the
obligations of the other parties hereto. Any waiver or consent to the
modification of any of the provisions of this Agreement, to be effective, must
be in writing executed by the party granting such waiver or consent.

SECTION 7.5       FURTHER ASSURANCES.

         Each party hereto shall, from time to time, and at all times hereafter,
at the request of the other parties hereto, but without further consideration,
do all such further acts and execute and deliver all such further documents and
instruments as

<PAGE>   64

                                      -61-

shall be reasonably required in order to fully perform and carry
out the terms and intent hereof.

SECTION 7.6       EXPENSES.

(1)      Subject to Section 6.4, the parties agree that all out-of-pocket
         expenses of the parties relating to the Arrangement and the
         transactions contemplated hereby, including legal fees, accounting
         fees, financial advisory fees, regulatory filing fees, stock exchange
         fees, all disbursements of advisors and printing and mailing costs,
         shall be paid by the party incurring such expenses.

(2)      NEWBRIDGE represents and warrants to ALCATEL that, except for any
         amounts owing to those financial advisers referred to in Section
         3.1(c)(iii) by NEWBRIDGE pursuant to and in accordance with the terms
         of written and executed agreements existing as at the date hereof and
         disclosed to ALCATEL on or prior to the date hereof, no broker, finder
         or investment banker is or will be entitled to any brokerage, finder's
         or other fee or commission from NEWBRIDGE or any subsidiary of
         NEWBRIDGE in connection with the transactions contemplated hereby or by
         the Arrangement.

SECTION 7.7       CONSULTATION.

         ALCATEL and NEWBRIDGE agree to consult with each other as to the
general nature of any news releases or public statements with respect to this
Agreement or the Arrangement, and to use their respective reasonable efforts not
to issue any news releases or public statements inconsistent with the results of
such consultations. Subject to applicable Laws, each party shall use its
reasonable efforts to enable the other parties to review and comment on all such
news releases prior to the release thereof. The parties agree to issue jointly
the news release in the agreed form with respect to this Arrangement as soon as
practicable following the execution of this Agreement. ALCATEL and NEWBRIDGE
also agree to consult with each other in preparing and making any filings and
communications in connection with any Regulatory Approvals or other regulatory
approvals and in seeking any third party consents under leases, joint ventures
or other agreements.

SECTION 7.8       GOVERNING LAWS.

         This Agreement shall be governed by and construed in accordance with
the laws of the Province of Ontario and the laws of Canada applicable therein
and shall be treated in all respects as a Ontario contract. Each party hereby
irrevocably attorns to the jurisdiction of the courts of the Province of Ontario
in respect of all matters arising under or in relation to this Agreement.


<PAGE>   65

                                      -62-

SECTION 7.9       TIME OF ESSENCE.

         Time shall be of the essence in this Agreement.

SECTION 7.10      COUNTERPARTS.

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



<PAGE>   66

                                      -63-

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

                                        ALCATEL

                                        By:   /s/ Serge Tchuruk
                                             ---------------------------------
                                              Authorized Signing Officer




                                        NEWBRIDGE NETWORKS CORPORATION

                                        By:   /s/ Pearse Flynn
                                              ---------------------------------
                                              Authorized Signing Officer


                                        By:   /s/ Kenneth B. Wigglesworth
                                              ---------------------------------
                                              Authorized Signing Officer

<PAGE>   1
                                                                     Exhibit 2.0

                                VOTING AGREEMENT

                                                               February 22, 2000

TO: ALCATEL

Dear Sirs,

     RE:   PLAN OF ARRANGEMENT INVOLVING NEWBRIDGE CORPORATION

     In consideration of ALCATEL ("ALCATEL") entering into a merger agreement
dated the date hereof with, and agreeing to participate in the plan of
arrangement involving, NEWBRIDGE NETWORKS CORPORATION ("NEWBRIDGE") (the
"TRANSACTION"), this letter agreement sets out the terms on which Terence
Matthews and his associated corporations referred to herein (each, a
"SHAREHOLDER" and collectively, the "SHAREHOLDERS") undertake to take certain
actions and do certain things in respect of the Transaction.

     The terms of the Transaction are summarized in the Merger Agreement dated
February 22, 2000 between ALCATEL and NEWBRIDGE (the "MERGER AGREEMENT"), and
capitalized terms used herein and not otherwise defined shall have the meanings
set forth in the Merger Agreement.

1.   Each of the Shareholders hereby represents and warrants to you (and
     acknowledges that you are relying upon such representations and
     warranties):

      (a)  that the common shares in the capital of NEWBRIDGE and the
           options to acquire the common shares in the capital of NEWBRIDGE
           (the "SHARES" and the "OPTIONS", respectively) set forth on Annex I
           include all Shares and Options held of record, owned by, or for
           which voting or dispositive power is granted to, any relative, trust
           or other affiliate of Shareholder of which Shareholder has or shares
           any voting power or power of disposition.  Except as described on
           Schedule 1(a), Shareholder is the record and beneficial owner, has
           sole voting power, sole power of disposition and sole power to agree
           to all of the matters set forth in this Agreement, in each case with
           respect to the Shares and the Options set forth on Annex I
           attributable to such Shareholder.  Shareholder has good and
           marketable title to the Shares, free and clear of all liens,
           pledges, mortgages and encumbrances, except as set forth on Schedule
           1(a) hereto.  As to any Shares that Shareholder indicates he/it does
           not have such sole powers, the Shareholders shall use their
           reasonable best efforts to cause all of his/its obligations under
           this Agreement to be complied with by any person having such powers.
           Other than the Shares and Options set forth on Annex I no common
























<PAGE>   2

                                      - 2 -


           shares or securities of NEWBRIDGE are beneficially owned or
           controlled directly or indirectly by any Shareholder;

      (b)  that Shareholder has the legal capacity to execute and
           deliver this Agreement and to consummate the transactions
           contemplated hereby.  This Agreement has been duly executed and
           delivered by Shareholder, and, assuming the due authorization,
           execution and delivery by ALCATEL, this Agreement constitutes the
           legal, valid and binding obligation of Shareholder, enforceable in
           accordance with its terms;

      (c)  neither the execution and delivery of this Agreement by
           Shareholder, the consummation by Shareholder of the transactions
           contemplated hereby nor the compliance by Shareholder with any of
           the provisions hereof shall (i) result in any breach of, or
           constitute a default (or an event which with notice or lapse of time
           or both would become a default) (or give rise to any third party
           right of termination, cancellation, material modification or
           acceleration) under any of the terms, conditions or provisions of
           any note, loan agreement, bond, mortgage, indenture, contract,
           license, agreement, lease, permit or other instrument or obligation
           to which Shareholder is a party or by which Shareholder or any of
           his/its properties or assets (including the Shares and the Options)
           may be bound, except as may be set forth in existing option
           agreements, (ii) require on the part of Shareholder any filing with,
           or permit, authorization, consent or approval of, any Governmental
           Entity, or (iii) violate any order, writ, injunction, decree,
           judgment, or Law applicable to Shareholder or any of his/its
           properties or assets, excluding from the foregoing such violations,
           breaches, defaults or failures to make any filing or to obtain any
           permit, authorization, consent or approval which would not,
           individually or in the aggregate, impair the ability of Shareholder
           to consummate the transactions contemplated hereby; and

      (d)  that there is no private or governmental action, suit,
           proceeding, claim, arbitration or investigation pending before any
           Governmental Entity, or, to the knowledge of any Shareholder,
           threatened against Shareholder or any of its respective properties
           or any of its respective officers or directors, in the case of a
           corporate entity (in their capacities as such) that, individually or
           in the aggregate, could reasonably be expected to have a material
           adverse effect on Shareholder's ability to consummate the
           transactions contemplated by this Agreement.  There is no judgment,
           decree or order against Shareholder or, to the knowledge of any
           Shareholder, any of its respective directors or officers, in the
           case of a corporate entity (in their capacities as such) that could
           prevent, enjoin, alter or materially delay any of the
























<PAGE>   3

                                      - 3 -


           transactions contemplated by this Agreement, or that could
           reasonably be expected to have a material adverse effect on
           Shareholder's ability to consummate the transactions contemplated
           by this Agreement.

2.   Each Shareholder hereby represents and warrants to you and covenants with
     you that between the date of this Agreement and the earlier of (i) the
     date of termination of the Merger Agreement in accordance with its terms,
     and (ii) the effective date of the Transaction (such earlier date being
     the "EXPIRY DATE"), no Shareholder shall (A) sell, transfer, gift, assign,
     pledge, hypothecate, encumber or otherwise dispose of any of the Shares,
     Options or any common shares of Newbridge arising from the exercise of the
     Options (the "ADDITIONAL SHARES"), or enter into any agreement,
     arrangement or understanding in connection therewith, without having first
     obtained the prior written consent of ALCATEL, or (B) grant any proxies or
     powers of attorney, deposit any Shares, Options or Additional Shares
     (collectively, the "OWNED SECURITIES") into a voting trust or enter into a
     voting agreement, understanding or arrangement with respect to such Owned
     Securities; provided, however, that (I) up to a maximum of 1,000,000
     Shares in the aggregate (less one half the number of any Shares pledged as
     described in (II)) may be sold by the Shareholders, (II) up to a maximum
     of 2,000,000 Shares (less two times the number of Shares sold as described
     in (I)) may be pledged or hypocated to a bona fide lender to secure a loan
     (so long as such loan agreement provides that such Shareholder may vote
     such pledged Shares), and (III) the Owned Securities may be transferred to
     affiliates of the Shareholders to facilitate any transaction effected in
     accordance with Section 4.11 of the Merger Agreement, provided that any
     NEWBRIDGE shares obtained by the Shareholders in connection with such
     transaction shall be subject to the terms hereof.  None of the provisions
     of this Agreement shall apply to any of the secured parties described in
     Schedule 1(a) or who may become secured parties pursuant to this Section
     2(II) that realize on their security interest in such pledged or
     hypothecated Shares.

3.   The Shareholders hereby undertake, until the Expiry Date:

      (a)  to vote (or cause to be voted) all the Shares, the Additional
           Shares and the Options at any meeting of the shareholders of
           NEWBRIDGE, and in any action by written consent of the shareholders
           of NEWBRIDGE (i) in favour of the approval, consent, ratification
           and adoption of the Transaction (and any actions required in
           furtherance thereof); or (ii) against any action that would impede,
           interfere, or discourage the Transaction (excluding for greater
           certainty, a Superior Proposal), and against any action that would
           result in any breach of any representation, warranty or covenant in
           the Merger Agreement. Upon
<PAGE>   4

                                      - 4 -


           the request or direction of ALCATEL, the Shareholders shall execute
           a proxy in respect of any such resolution, and shall have the Owned
           Securities counted or not counted as part of a quorum in connection
           with any Newbridge shareholders meeting relating to matters set
           forth in Section 3(a)(ii).

      (b)  the Shareholders shall not without the prior written consent
           of ALCATEL requisition or join in the requisition of any meeting of
           the shareholders of NEWBRIDGE for the purpose of considering any
           resolution;

      (c)  for greater certainty, in connection with any matter referred
           to in Section 3(a)(ii), the Shareholders shall consult with ALCATEL
           prior to exercising any voting rights attached to the Shares, the
           Additional Shares or the Options and shall exercise or procure the
           exercise of such voting rights as ALCATEL shall instruct, including
           without limitation the delivery to ALCATEL, upon its request or
           direction, of a proxy in respect of any such resolution; and

      (d)  each Shareholder shall use its best efforts not to default,
           or take or omit to take any action which could reasonably be
           expected to cause a default, under those loans or other arrangements
           to which such Shareholder is subject that are described in Schedule
           1(a) hereto or as permitted pursuant to Section 2 hereof.

4.   Each Shareholder (in the case of Terence Matthews in his capacity as a
     shareholder and not as a director of NEWBRIDGE) agrees that, until the
     Expiry Date, such Shareholder will not, directly or indirectly, negotiate
     with, solicit, initiate or encourage submission of proposals or offers
     from, or provide information to, any other person, entity or group
     relating to an Acquisition Proposal.

5.   The Shareholders hereby irrevocably agree:

      (a)  to details of this Agreement being set out in any information
           circular produced by NEWBRIDGE and/or ALCATEL in connection with the
           Transaction; and

      (b)  to this Agreement being available for inspection until the
           Expiry Date.

6.   Wesley Clover Corporation and Terence Matthews shall cause Kanata
     Research Park Corporation ("Kanata"), as soon as reasonably possible and
     in any event prior to the closing of the Transaction but conditional upon
     such closing, to have waived all of its rights to terminate any leases to
     which NEWBRIDGE or any subsidiary is a party as a result of the
     Transaction or
























<PAGE>   5

                                      - 5 -


     any other pre-existing conditions or liabilities whatsoever prior to the
     date hereof, and to have entered into an agreement to enable NEWBRIDGE or
     its subsidiaries at their respective option to extend such leases for up
     to two periods of up to five years each on the same terms (except as to
     renewal) and at agreed or arbitrated fair market value rents, subject
     only to applicable laws and to require NEWBRIDGE or the relevant
     subsidiary to give Kanata at least nine months notice if it does not
     intend to extend any such lease.

7.   Notwithstanding Section 3(a), the Shareholders shall not be bound to vote
     in favour of, or grant ALCATEL a proxy on the Owned Securities to vote
     for, the Transaction in the event that, at the time of the NEWBRIDGE
     Meeting, the tax laws of Canada shall have been amended, or proposed for
     amendment by the Minister of Finance, in such a manner that tax deferral
     for the Transaction would not be available via the use of exchangeable
     shares as is proposed under the Merger Agreement.

8.   I, Terence Matthews, shall cause 3090-8081 Quebec Inc. to enter into this
     Agreement as soon as practicable.

9.   I, Terence Matthews, agree and confirm that I am bound by the terms of a
     Non-Competition Agreement with NEWBRIDGE dated October 14, 1987.

10.  Any date, time or period referred to in this Agreement shall be of the
     essence except to the extent to which ALCATEL and the Shareholders agree
     in writing to vary any date, time or period, in which event the varied
     date, time or period shall be of the essence.

11.  The Shareholders agree that monetary damages would not be an adequate
     remedy for any loss incurred by reason of a breach of this Agreement by
     any of them and hereby agrees to waive the defense in any action for
     specific performance that a remedy at law would be adequate.

12.  The Shareholders agree and confirm that:

      (a)  any provision of this Agreement may be amended or waived if,
           and only if, such amendment or waiver is in writing and signed, in
           the case of an amendment, by the Shareholders and ALCATEL or in the
           case of a waiver, by the party against whom the waiver is to be
           effective; and

      (b)  no failure or delay by any party in exercising any right,
           power or privilege hereunder shall operate as a waiver thereof nor
           shall any single or partial exercise thereof preclude any other or
           further exercise.

13.  In consideration of the Shareholders entering into this Agreement
     effective upon the closing of the Transaction, ALCATEL shall be obligated
     to
























<PAGE>   6

                                      - 6 -


     reimburse the Shareholders for his/its reasonable out-of-pocket expenses,
     including legal, accounting and financial advisory fees, incurred in
     connection with the Transaction, but not in excess of CAN $200,000.

14.  The parties agree as follows:

      (a)  As soon as practicable, but in any event no later than the
           date upon which ALCATEL files with the SEC the Form F-3 pursuant to
           Section 2.7(5) of the Merger Agreement, ALCATEL shall file a "shelf"
           registration statement pursuant to Rule 415 of the 1933 Act (the
           "Registration Statement"), with respect to the resale of all of the
           ALCATEL securities initially issuable upon exchange of the
           Exchangeable Shares, including, without limitation, the ALCATEL
           ADSs, to be issued to the Shareholders pursuant to the Merger
           Agreement (together with any securities of ALCATEL initially issued
           or issuable with respect to the Exchangeable Shares received by the
           undersigned in connection with the Transaction by way of a dividend
           or stock split or in connection with a combination of shares,
           recapitalization, merger, consolidation or other reorganization or
           otherwise, collectively, the "Registrable Securities").  ALCATEL
           shall use its reasonable efforts to (i) have the Registration
           Statement declared effective on or before the Effective Date, and
           (ii) to keep the Registration Statement continuously effective from
           the date such Registration Statement is declared effective until the
           Termination Date (as defined below).

      (b)  ALCATEL and the Shareholders shall each indemnify the other
           consistent with indemnification granted by issuers and selling
           shareholders for "shelf" registration statements.

      (c)  ALCATEL shall pay all costs, fees and expenses incident to
           ALCATEL's performance of or compliance with this Section 14,
           including, without limitation, all registration, filing, and NASD
           fees and all fees and expenses incurred in connection with
           compliance with state securities or blue sky laws (but excluding any
           underwriting commissions, fees or expenses) and with respect to any
           supplements or amendments to the Registration Statement, whether the
           Registration Statement becomes effective and whether all, none or
           some of the Registrable Securities are sold pursuant to the
           Registration Statement.

      (d)  The "Termination Date" means the earlier of the first date on
           which the Registrable Securities may be distributed to the public by
           the undersigned pursuant to Rule 144(k) or such date on which the
























<PAGE>   7

                                     - 7 -


           Shareholders are no longer "affiliates" of ALCATEL under the
           Securities Act and subject to Rule 145.

15.  The Shareholders, in addition to being entitled to exercise all rights
     granted by law, including recovery of damages, shall be entitled to
     specific performance of its rights under Section 14.  ALCATEL agrees that
     monetary damages would not be adequate compensation for any loss incurred
     by reason of a breach by it of the provisions of Section 14 and hereby
     agrees to waive the defense in any action for specific performance that a
     remedy at law would be adequate.

16.  The provisions of this Agreement constitute legal, valid and binding
     obligations of ALCATEL, enforceable against it in accordance with its
     terms.

17.  All notices, requests, claims, demands and other communications hereunder
     shall be in writing and shall be given (and shall be deemed to have been
     duly given upon receipt) by delivery in person, by telecopy, facsimile,
     cable, telegram or telex, or by registered or certified mail (postage
     prepaid, return receipt requested) or by a nationally recognized courier
     service to the respective parties at their addresses as specified in Annex
     II hereto.

18.  If any term or other provision of this Agreement is invalid, illegal or
     incapable of being enforced by any rule of law or public policy, all other
     conditions and provisions of this Agreement shall nevertheless remain in
     full force and effect so long as the economic or legal substance of this
     Agreement is not affected in any manner materially adverse to any party.
     Upon such determination that any term or other provision is invalid,
     illegal or incapable of being enforced, the parties hereto shall negotiate
     in good faith to modify this Agreement so as to effect the original intent
     of the parties as closely as possible in a mutually acceptable manner in
     order that the terms of this Agreement remain as originally contemplated
     to the fullest extent possible.

19.  The provisions of this Agreement shall be binding upon and enure to the
     benefit of the parties hereto and their respective successors and
     permitted assigns, provided that no party may assign, delegate or
     otherwise transfer any of its rights, interests or obligations under this
     Agreement without the prior written consent of the other parties hereto,
     except that ALCATEL may assign, delegate or otherwise transfer any of its
     rights, interests or obligations under this Agreement to an affiliate
     without reducing its own obligations hereunder without the consent of the
     Shareholder.

20.  This Agreement is governed by the laws of the Province of Ontario and the
     federal laws of Canada applicable therein.  All actions and proceedings
     arising out of and relating to this Agreement shall be heard and
     determined
























<PAGE>   8

                                      - 8 -


     exclusively in the courts of the Province of Ontario.  Notwithstanding
     the foregoing, Section 15 of this Agreement shall be governed by the laws
     of the State of Delaware without regard to any applicable conflicts of
     law.

21.  ALCATEL shall permit NEWBRIDGE to arrange for a "safe income tuck-in"
     transaction  (the "Tuck-in") or, if a Tuck-in does not achieve the
     objective of crystallizing the "safe income" or results in other material
     adverse tax consequences to the Shareholders, another form of safe income
     crystallisation transaction, with one or more Shareholders, provided that:

      (a)  only one form of transaction will be required;

      (b)  such transaction is to be completed in accordance with
           applicable Laws prior to the Effective Date;

      (c)  such transaction (other than a Tuck-in) must be accomplished
           in a manner that does not entail any material cost, expense,
           obligation or liability (and for this purpose $2,500,000 in the
           aggregate shall be deemed not to be material), or any delay in
           completing the Arrangement, to NEWBRIDGE or their respective
           subsidiaries or shareholders (including to NEWBRIDGE's
           non-participating shareholders); and

      (d)  such transaction and its terms and conditions must be
           satisfactory to ALCATEL, acting reasonably (limited to, in the case
           of a Tuck-in, its effect on NEWBRIDGE or its shareholders).

     In the event that such transaction or its terms and conditions are not
     satisfactory to ALCATEL, acting reasonably, or the Ontario Securities
     Commission refuses to grant any relief required in connection with any
     such transaction, ALCATEL will use its reasonable best efforts, for a
     period not to exceed 15 Business Days to assist NEWBRIDGE and the
     Shareholders in structuring such a transaction in a manner satisfactory
     to ALCATEL, acting reasonably.  The parties acknowledge that ALCATEL will
     require, without limitation, that the Arrangement and related matters
     (after taking into account any transaction described herein) be poolable
     under French GAAP and not objectionable to the COB or the PSE, and that a
     Tuck-in does not adversely affect these pooling and COB/PSE issues.  In
     the event that no such transaction is satisfactory to ALCATEL, acting
     reasonably, where it used its reasonable best efforts as aforesaid, this
     shall not affect the completion of the Arrangement or this Agreement.

























<PAGE>   9

                                      - 9 -


     This Voting Agreement has been agreed and accepted this 22nd day of
February, 2000.

ALCATEL


Per: /s/ Serge Tchuruk
    -----------------------------------

Name: Serge Tchuruk
     ----------------------------------


/s/ Terence Matthews
- ---------------------------------------
Terence Matthews


WESLEY CLOVER CORPORATION


Per: /s/ Terence Matthews
    -----------------------------------

Name: Terence Matthews
     ----------------------------------


3090-8081 QUEBEC INC.


Per:
    -----------------------------------

Name:
     ----------------------------------

2874806 CANADA INC.


Per: /s/ Terence Matthews
    -----------------------------------

Name: Terence Matthews
     ----------------------------------

2985314 CANADA INC.


Per: /s/ Terence Matthews
    -----------------------------------

Name: Terence Matthews
     ----------------------------------

























<PAGE>   10


                                     ANNEX I



<TABLE>
<CAPTION>
SHARES
- ------
<S>                            <C>
Terence Matthews                4,974,000
Wesley Clover Corporation      32,379,153
3090-8081 Quebec Inc.             595,000
2874806 Canada Inc.             1,745,920
2985314 Canada Inc.                16,835


OPTIONS
- -------
None
</TABLE>

























<PAGE>   11


                                    ANNEX II



<TABLE>
<CAPTION>
ADDRESS
- -------
<S>                                   <C>
Alcatel
54, Rue de La Boetie
75008 Paris France
Attention:  General Counsel
Telecopier No.:  011-331-4076-1435

Terence Matthews
[to be provided]

Wesley Clover Corporation
[to be provided]

3090-8081 Quebec Inc.
[to be provided]

2874806 Canada Inc.
[to be provided]

2985314 Canada Inc.
[to be provided]
</TABLE>

























<PAGE>   12


                                 SCHEDULE 1(a)


(i)  3,002,724 Shares owned by Terence Matthews are pledged to Barclays Bank
     as security;

(ii) 100,000 Shares owned by Terence Matthews are pledged to Royal Bank as
     security;

(iii)13,686,773 Shares owned by Wesley Clover Corporation are pledged to
     Royal Bank as security.

     This security varies according to a formula based on the outstanding
     indebtedness to the Bank and market price of the shares;

(iv) 16,000 Shares owned by Wesley Clover Corporation are pledged to Bank of
     Wales as security;

(v)  2,245,602 Shares owned by Wesley Clover Corporation are pledged to Alex
     Brown & Sons as security; and

(vi) 50,000 Shares owned by 3090-8081 Quebec Inc. are pledged to National
     Trust.
























<PAGE>   13
                       AMENDMENT NO. 1 TO VOTING AGREEMENT

         Amendment No. 1 to that certain Voting Agreement dated February 22,
2000 (the "Voting Agreement") among Alcatel, Terence Matthews, Wesley Clover
Corporation, 3090-8081 Quebec Inc., 2874806 Canada Inc. and 2985314 Canada Inc.

         The parties agree as follows:

         1. Section 14(d) of the Voting Agreement is hereby amended and
replaced in its entirety with the following:

                  (d) The "Termination Date" means the earlier of (i) the first
date on which all of the Registrable Securities may be distributed to the public
by the Shareholders pursuant to Rule 144(k) (or similar successor provision)
under the United States Securities Act of 1933, as amended ("1933 Act"); or (ii)
the date which is not less than one year from the Effective Date, provided that
on such date, the Shareholders are not "affiliates" of Alcatel, as determined by
a written opinion of counsel provided by Alcatel acceptable to the Shareholders,
acting reasonably, and Alcatel meets the requirements of paragraph (c) of Rule
144 (or similar successor provision) under the 1933 Act.

         2. Section 20 of the Voting Agreement is hereby amended and replaced
in its entirety with the following:

                  This Agreement is governed by the laws of the Province of
Ontario and the federal laws of Canada applicable therein. All actions and
proceedings arising out of and relating to this Agreement shall be heard and
determined exclusively in the courts of the Province of Ontario. Notwithstanding
the foregoing, Sections 14 and 15 of this Agreement shall be governed by the
laws of the State of New York without regard to any applicable conflicts of
laws.

         3. Except as amended hereby, the Voting Agreement shall remain in
full force and effect.

                                  [END OF TEXT]

<PAGE>   14
         This Amendment No. 1 to the Voting Agreement has been agreed and
accepted this 3rd day of March, 2000.


                                              ALCATEL


                                              Per:  /s/ Jean-Pierre Halbron
                                                    -----------------------

                                              Name: Jean-Pierre Halbron
                                                    -------------------


                                                    /s/ Terence Matthews
                                                    --------------------
                                          Terence Matthews, individually


                                              WESLEY CLOVER CORPORATION


                                              Per:  /s/ Terence Matthews
                                                    --------------------

                                              Name: Terence Matthews
                                                    ----------------


                                              3090-8081 QUEBEC INC.


                                              Per:
                                                     -----------------
                                              Name:
                                                     -----------------



                                              2874806 CANADA INC.

                                              Per:  /s/ Terence Matthews
                                                    --------------------

                                              Name: Terence Matthews
                                                    ----------------

                                              2985314 CANADA INC.

                                              Per:  /s/ Terence Matthews
                                                    --------------------

                                              Name: Terence Matthews
                                                    ----------------

<PAGE>   1
                                                                     Exhibit 3.0



                                OPTION AGREEMENT


     OPTION AGREEMENT dated as of February 22, 2000 (this "Agreement"),

BETWEEN:

                   ALCATEL,
                   a corporation existing under the laws of France

                   (hereinafter referred to as "ALCATEL"),

AND:

                   NEWBRIDGE NETWORKS CORPORATION,
                   a corporation existing under the laws of Canada

                   (hereinafter referred to as "NEWBRIDGE"),


     WHEREAS ALCATEL and NEWBRIDGE have entered into a Merger Agreement dated
as of the date hereof (the "MERGER AGREEMENT") which provides, upon the terms
and subject to the conditions set forth therein, for the completion of an
arrangement (the "ARRANGEMENT") involving NEWBRIDGE and its securityholders;

     AND WHEREAS, unless the context otherwise requires, words and phrases used
herein with initial capital letters shall have the meanings assigned to such
words and phrases in the Merger Agreement;

     AND WHEREAS as a condition to ALCATEL entering into the Merger Agreement,
ALCATEL has required that NEWBRIDGE agree, and in order to induce ALCATEL to
enter into the Merger Agreement, NEWBRIDGE has agreed, to grant ALCATEL an
option to purchase, in accordance with the terms and conditions of this
Agreement, up to 36,183,000 newly issued NEWBRIDGE Common Shares, representing
approximately 19.9 % of the issued and outstanding NEWBRIDGE Common Shares on
the date hereof;

     NOW THEREFORE, in consideration of the foregoing and the respective
representations, warranties, covenants and agreements set forth in this
Agreement and in the Merger Agreement, the parties hereto agree as follows:

















<PAGE>   2

                                     - 2 -


                                    ARTICLE 1
                                   THE OPTION

SECTION 1.1 GRANT OF OPTION.

     Subject to the terms and conditions set forth herein, NEWBRIDGE hereby
grants to ALCATEL an irrevocable option (the "OPTION") to purchase up to
36,183,000 NEWBRIDGE Common Shares (the "OPTION SHARES") from the treasury of
NEWBRIDGE (being approximately 19.9% of the number of issued and outstanding
NEWBRIDGE Common Shares on the date hereof) in the manner set forth below at a
purchase price (the "PURCHASE PRICE") per Option Share equal to the final
reported price on The Toronto Stock Exchange on February 22, 2000 in cash per
Option Share.

SECTION 1.2 EXERCISE OF OPTION.

(1)  The Option may be exercised by ALCATEL, in whole or in part, at any time
     or from time to time after the occurrence of an Exercise Event (as defined
     below) and prior to the Termination Date (as defined below).

(2)  An "EXERCISE EVENT" shall occur for purposes of this Agreement upon the
     occurrence of any event or circumstance which, pursuant to Section 6.4(1)
     of the Merger Agreement, entitles ALCATEL to a payment of the amount
     specified therein.

(3)  The "TERMINATION DATE" shall occur for purposes of this Agreement upon
     the first to occur of any of the following:

      (a)  the Effective Time;

      (b)  the date which is 2 years after the first occurrence of an
           Exercise Event;

      (c)  the date on which the Option shall have been exercised in
           full; or

      (d)  following the termination of the Merger Agreement in any
           manner in which ALCATEL would not be entitled, pursuant to Section
           6.4(1) of the Merger Agreement, to a payment of the amount specified
           therein.

(4)  In the event ALCATEL wishes to exercise the Option, ALCATEL shall send a
     written notice (an "EXERCISE NOTICE") to NEWBRIDGE specifying the total
     number of Option Shares that ALCATEL wishes to purchase, the denominations
     of the certificate or certificates evidencing such Option Shares which
     ALCATEL wishes to receive, the date (subject to the earlier of the
     satisfaction or waiver of the conditions set forth in Section 1.3) (the
     "CLOSING DATE") which shall be a Business Day not later than the fifth
     Business Day
















<PAGE>   3

                                      - 3 -


     and not earlier than the second Business Day after delivery of such
     notice, and the place for the closing (the "CLOSING") of such purchase.

(5)  If at any time the Option is then exercisable pursuant to the terms of
     Section 1.2(1) hereof and notwithstanding whether the condition set forth
     in Section 1.3(1) shall have been fulfilled, ALCATEL may elect, in lieu of
     exercising the Option to purchase Option Shares as provided in Section
     1.2(4) hereof, to send a written notice to NEWBRIDGE (a "CASH EXERCISE
     NOTICE") specifying a date not later than the fifth Business Day and not
     earlier than the second Business Day following the date such notice is
     given, on which date NEWBRIDGE shall pay to ALCATEL an amount in cash
     equal to the Spread (as defined below) multiplied by such number of Option
     Shares as ALCATEL shall specify in the Cash Exercise Notice.  As used
     herein, "SPREAD" shall mean the excess, if any, over the Purchase Price of
     the higher of (the "APPLICABLE PRICE"): (x) if applicable, the highest
     price per share (the "COMPETING PURCHASE PRICE") for NEWBRIDGE Common
     Shares proposed in any Acquisition Proposal announced, proposed, offered
     or made prior to the date of the Cash Exercise Notice; or (y) the simple
     average of the closing prices (the "CLOSING PRICE"), if any of the
     NEWBRIDGE Common Shares on The Toronto Stock Exchange (the "TSE") during
     the 20 trading days immediately prior to the date of the Cash Exercise
     Notice.  If the Competing Purchase Price includes any property other than
     cash, the Competing Purchase Price shall be the sum of: (i) the fixed cash
     amount, if any, included in the Competing Purchase Price; and (ii) the
     fair market value of such other property.  If such other property includes
     securities listed on an existing public trading market, the fair market
     value of such securities shall be deemed to be equal to the average of the
     closing prices (or the average of the closing bid and asked prices if
     closing prices are unavailable) for such securities in their principal
     public trading market on the five trading days ending five days prior to
     the date of the Cash Exercise Notice.  If such other property includes
     something other than cash or securities listed on an existing public
     trading market and, as of the payment date for the Spread, agreement on
     the value of such other property has not been reached, the Competing
     Purchase Price shall be deemed to be the amount of any cash included in
     the Competing Purchase Price plus the fair market value of such other
     property as determined by a nationally recognized investment banking firm
     jointly selected by ALCATEL and NEWBRIDGE.  For this purpose, the parties
     shall use their reasonable best efforts to cause any determination of the
     fair market value of such other property to be made within two Business
     Days after the date of delivery of the Cash Exercise Notice.  Upon
     exercise of its right to receive the Spread pursuant to this Section
     1.2(5), the obligations of NEWBRIDGE to deliver Option Shares pursuant to
     Section 1.1 shall be terminated with respect to such number of Option
     Shares for which
















<PAGE>   4

                                      - 4 -


     ALCATEL shall have elected to be paid the Spread pursuant to the Cash
     Exercise Notice.

SECTION 1.3 CONDITIONS TO CLOSING.

     The obligation of NEWBRIDGE to deliver Option Shares upon any exercise of
the Option is subject to the following conditions:

(1)  The Option Shares shall have been approved for listing on the NYSE and
     the TSE, provided however, that NEWBRIDGE and ALCATEL agree that NEWBRIDGE
     shall not be obligated to register the Option Shares under the U.S.
     Securities Act or otherwise qualify the Option Shares for resale in the
     United States or Canada other than on the terms and subject to the
     conditions set forth in Section 3.2; and

(2)  No preliminary or permanent injunction or other order by any court of
     competent jurisdiction prohibiting such issuance of Option Shares shall be
     in effect (provided that NEWBRIDGE has used its reasonable best efforts to
     resist or overturn same).

     The obligation of NEWBRIDGE to pay the Spread under Section 1.2(5) shall
only be subject to the condition that no preliminary or permanent injunction or
other order by any court of competent jurisdiction prohibiting payment of the
Spread shall be in effect (provided that NEWBRIDGE has used its reasonable best
efforts to resist or overturn same).

SECTION 1.4 CLOSINGS.

(1)  In the event of a Closing pursuant to Section 1.2(4), NEWBRIDGE shall
     deliver to ALCATEL a certificate or certificates evidencing the applicable
     number of Option Shares (in the denominations specified therein), and
     ALCATEL shall purchase each such Option Share from NEWBRIDGE at the
     Purchase Price.

(2)  In the event of a Closing pursuant to Section 1.2(5), NEWBRIDGE shall
     deliver to ALCATEL cash in the amount determined pursuant to Section
     1.2(5).

(3)  Payment of the Purchase Price and the Spread shall be made by wire
     transfer of immediately available funds.

SECTION 1.5 ADJUSTMENTS UPON SHARE ISSUANCES, CHANGES IN CAPITALIZATION, ETC.

(1)  In the event of any change in NEWBRIDGE Common Shares or in the number of
     outstanding NEWBRIDGE Common Shares by reason of a stock dividend,
     split-up, recapitalization, combination, exchange of shares or similar
     transaction or any other extraordinary change in the corporate or capital
















<PAGE>   5

                                      - 5 -


     structure of NEWBRIDGE (including, without limitation, the declaration or
     payment of an extraordinary dividend of cash, securities or other
     property), the type and number of shares or securities to be issued by
     NEWBRIDGE upon exercise of the Option and the Purchase Price shall be
     adjusted appropriately, and proper provision shall be made in the
     agreements governing such transaction, so that ALCATEL shall receive upon
     exercise of the Option the number and class of shares and/or other
     securities and/or cash and/or property that ALCATEL would have received
     in respect of NEWBRIDGE Common Shares if the Option had been exercised
     immediately prior to such event, or the record date therefor, as
     applicable, and elected, to the fullest extent it would have been
     permitted to elect, to receive such securities, cash or other property
     (as ALCATEL shall determine).  For greater certainty, following any such
     transaction, ALCATEL shall continue to be entitled to give a Cash
     Exercise Notice and be paid the Spread, determined in light of the
     Purchase Price, adjusted as aforesaid.

(2)  In the event that NEWBRIDGE shall enter into an agreement (other than the
     Merger Agreement): (i) to consolidate with, amalgamate or merge into any
     person, other than ALCATEL or any subsidiary of ALCATEL, and shall not be
     the continuing or surviving corporation of such consolidation,
     amalgamation or merger; (ii) to permit any person, other than ALCATEL or
     any subsidiary of ALCATEL, to merge into NEWBRIDGE and NEWBRIDGE shall be
     the continuing or surviving corporation, but, in connection with such
     merger, the then outstanding NEWBRIDGE Common Shares shall be changed into
     or exchanged for shares or other securities of NEWBRIDGE or any other
     person or cash or any other property or the then outstanding NEWBRIDGE
     Common Shares shall after such merger represent less than 50% of the
     outstanding shares and share equivalents of the surviving corporation; or
     (iii) to sell or otherwise transfer all or substantially all of its assets
     to any person, other than ALCATEL or any subsidiary of ALCATEL; then, and
     in each such case, proper provision shall be made in the agreements
     governing such transaction so that ALCATEL shall receive upon exercise of
     the Option, the number and class of shares and/or other securities and/or
     cash and/or property that ALCATEL would have received in respect of
     NEWBRIDGE Common Shares if the Option had been exercised immediately prior
     to such transaction, or the record date therefor, as applicable, and
     elected, to the fullest extent it would have been permitted to elect, to
     receive such securities, cash or other property (as ALCATEL shall
     determine), and the Purchase Price shall be adjusted appropriately.  For
     greater certainty, following any such transaction, ALCATEL shall continue
     to be entitled to give a Cash Exercise Notice and be paid the Spread,
     determined in light of the Purchase Price, adjusted as aforesaid.

















<PAGE>   6

                                      - 6 -


(3)  The provisions of this Agreement, including, without limitation, Sections
     1.1, 1.2, 1.4 and 3.2, shall apply with appropriate adjustments to any
     securities for which the Option becomes exercisable pursuant to this
     Section 1.5.

                                   ARTICLE 2
                  REPRESENTATIONS AND WARRANTIES OF NEWBRIDGE

     NEWBRIDGE hereby represents and warrants to ALCATEL as follows:

SECTION 2.1 AUTHORITY RELATIVE TO THIS AGREEMENT.

     NEWBRIDGE has all necessary corporate power and authority to execute and
deliver this Agreement, to perform its obligations hereunder and to consummate
the transactions contemplated hereby.  The execution and delivery of this
Agreement by NEWBRIDGE and the consummation by NEWBRIDGE of the transactions
contemplated hereby have been duly and validly authorized by all necessary
corporate action, and no other corporate proceedings on the part of NEWBRIDGE
are necessary to authorize this Agreement or to consummate such transactions.
This Agreement has been duly executed and delivered by NEWBRIDGE and, assuming
the due authorization, execution and delivery by ALCATEL, constitutes the
legal, valid and binding obligation of NEWBRIDGE, enforceable against NEWBRIDGE
in accordance with its terms.

SECTION 2.2 AUTHORITY TO ISSUE SHARES.

     NEWBRIDGE has taken all necessary corporate action to authorize and
reserve and permit it to issue, and at all times from the date hereof through
the Termination Date shall have reserved, all the Option Shares issuable
pursuant to this Agreement, and NEWBRIDGE shall take all necessary corporate
action to authorize and reserve and permit it to issue all additional NEWBRIDGE
Common Shares or other securities which may be issued pursuant to this
Agreement, all of which, upon their issuance and delivery in accordance with
the terms of this Agreement, shall be duly authorized, validly issued, fully
paid and non-assessable, shall be delivered free and clear of all security
interests, liens, claims, pledges, options, rights of first refusal,
agreements, charges and other encumbrances of any nature whatsoever (other than
as provided in this Agreement) and shall not be subject to any pre-emptive
rights.

SECTION 2.3 NO CONFLICTS.

     The execution and delivery of this Agreement does not, and the
consummation of the transactions contemplated hereby will not, conflict with,
or result in any breach pursuant to any provision of the constating documents
of NEWBRIDGE or any subsidiary of NEWBRIDGE or result in any breach of any loan
or credit agreement, note, mortgage, indenture, lease, pension plan or other
















<PAGE>   7

                                     - 7 -


agreement, obligation, instrument, permit, concession, franchise, license,
judgment, order, decree, statute, law, ordinance, rule or regulation applicable
to NEWBRIDGE or any subsidiary of NEWBRIDGE or their respective properties or
assets, except that the Option Shares may not be resold in (i) any province of
Canada except in accordance with Canadian securities laws; or (ii) the United
States unless the Option Shares are registered under the U.S. Securities Act or
are offered and sold pursuant to an exemption from registration under the U.S.
Securities Act.

                                   ARTICLE 3
                             COVENANTS OF NEWBRIDGE

SECTION 3.1 LISTING; OTHER ACTION.

(1)  As promptly as practicable, NEWBRIDGE shall use all reasonable best
     efforts to cause the Option Shares to be approved for listing on the New
     York Stock Exchange (the "NYSE") and the TSE, subject to notice of
     issuance, and shall provide prompt notice to the TSE of the issuance of
     each Option Share.

(2)  NEWBRIDGE shall use all reasonable best efforts to take, or cause to be
     taken, all appropriate action, and to do, or cause to be done, all things
     necessary, proper or advisable under applicable law, regulation or policy
     to consummate and make effective the transactions contemplated hereunder,
     including, without limitation, using all reasonable best efforts to obtain
     all licenses, permits, consents, approvals, authorizations, qualifications
     and orders of any government or regulatory authority; provided however,
     that NEWBRIDGE shall not be obligated to register the Option Shares under
     the U.S. Securities Act or otherwise qualify the Option Shares for resale
     in the United States or Canada other than on the terms and subject to the
     conditions set forth in Section 3.2.

SECTION 3.2 QUALIFICATION

(1)  In the event that ALCATEL shall desire to sell any of the Option Shares
     and such sale in the manner proposed by ALCATEL requires, in the opinion
     of counsel to ALCATEL, which opinion shall be reasonably satisfactory to
     NEWBRIDGE and its counsel, registration of such Option Shares under the
     U.S. Securities Act of 1933, as amended or qualification of such Option
     Shares for resale under applicable Canadian securities laws, NEWBRIDGE
     shall cooperate with ALCATEL and any underwriters in registering or
     qualifying of such Option Shares for resale, including, without
     limitation, promptly filing a registration statement and/or prospectus
     which complies with the requirements of applicable U.S. federal and state
     securities laws and/or Canadian federal, provincial and territorial
     securities laws, as the case may be, and entering into and complying with
     an underwriting agreement with such underwriters upon such terms and
     conditions as are customarily
















<PAGE>   8

                                      - 8 -


     contained in underwriting agreements with respect to secondary
     distributions; provided, however, that NEWBRIDGE shall not be required to
     file more than two registration statements which are declared effective
     and/or prospectuses hereunder and shall be entitled to delay the filing
     or effectiveness of any registration statement and/or prospectus for up
     to 120 days (but not more than once in any 12 month period) if the
     offering would, in the judgment of the Board of Directors of NEWBRIDGE,
     require premature disclosure of any material corporate development or
     otherwise materially interfere with or materially adversely affect any
     pending or proposed offering of securities of NEWBRIDGE or any other
     material transaction involving NEWBRIDGE.

(2)  If Option Shares are registered or qualified pursuant to the provisions
     of this Section 3.2, NEWBRIDGE agrees (i) to furnish copies of the
     registration statement and/or prospectus relating to the Option Shares
     covered thereby in such numbers as ALCATEL may from time to time
     reasonably request and (ii) if any event shall occur as a result of which
     it becomes necessary to amend or supplement any registration statement or
     prospectus, to prepare and file under the applicable securities laws such
     amendments and supplements as may be necessary to keep available for at
     least 90 days a prospectus covering the Option Shares meeting the
     requirements of such securities laws, and to furnish ALCATEL with such
     numbers of copies of the registration statement and prospectus, as amended
     or supplemented, as may reasonably be requested. NEWBRIDGE shall bear the
     cost of the registration or qualification, including but not limited to,
     all registration and filing fees, printing expenses, and fees and
     disbursements of counsel and accountants for NEWBRIDGE, and ALCATEL shall
     pay the fees and disbursements of its counsel and the underwriting fees
     and commissions applicable to the Option Shares sold by ALCATEL.
     NEWBRIDGE shall indemnify and hold harmless ALCATEL, its affiliates and
     their respective officers and directors from and against any and all
     losses, claims, damages, liabilities and expenses arising out of or based
     upon any statements contained in or omissions or alleged omissions from,
     each registration statement or prospectus (or any amendment thereto) filed
     pursuant to this paragraph; provided, however, that this provision shall
     not apply to any loss, liability, claim, damage or expense to the extent
     it arises out of any untrue statement or omission made in reliance upon
     and in conformity with written information furnished to NEWBRIDGE by
     ALCATEL, its affiliates and its officers and other representatives
     expressly for use in any registration statement or prospectus (or any
     amendment thereto) filed pursuant to this paragraph.  NEWBRIDGE shall also
     indemnify and hold harmless each underwriter and each person who controls
     any underwriter against any and all losses, claims, damages, liabilities
     and expenses arising out of or based upon any statements contained
















<PAGE>   9

                                      - 9 -


     in or omissions or alleged omissions from, each registration statement or
     prospectus (or any amendment thereto) filed pursuant to this paragraph;
     provided, however, that this provision shall not apply to any loss,
     liability, claim, damage or expense to the extent it arises out of any
     untrue statement or omission made in reliance upon and in conformity with
     written information furnished to NEWBRIDGE by the underwriters expressly
     for use in any registration statement or prospectus (or any amendment
     thereto) filed pursuant to this Section 3.2.

                                    ARTICLE 4
                              COVENANTS OF ALCATEL

SECTION 4.1 VOTING LIMITATIONS.

     ALCATEL hereby agrees with NEWBRIDGE that, unless the tax change
provisions of the voting agreement with Mr. Matthews have been triggered, it
will not exercise any voting rights attached to the Option Shares to either
vote in favour of the Arrangement or vote against any other Acquisition
Proposal.

SECTION 4.2 OFFERING RESTRICTIONS.

     Until such time as ALCATEL has requested that NEWBRIDGE take such action
as may be required by Section 3.2 to register the Option Shares for resale
under the U.S. Securities Act, ALCATEL agrees to comply with the requirements
of Regulation S promulgated under the U.S. Securities Act, including, but not
limited to, the following:

(1)  ALCATEL shall not make any offer or sale of the Option Shares to a U.S.
     person or for the account or benefit of a U.S. person (within the meaning
     of Regulation S) during the 40 day period following issuance of the Option
     Shares.

(2)  All offering materials and documents used in connection with any offer or
     sale of the Option Shares during the 40 day period following issuance of
     the Option Shares shall include statements on the cover or inside cover
     page and in the underwriting or distribution section of any prospectus or
     offering circular and in any advertisement to the effect that the Option
     Shares have not been registered under the U.S. Securities Act and may not
     be offered or sold in the United States or to U.S. persons unless the
     Option Shares are so registered or an exemption from the registration
     requirements is available.

(3)  ALCATEL shall send written confirmation to any purchaser of the Option
     Shares during the 40 day period following the issuance of the Option
     Shares that the purchaser is subject to the foregoing restrictions on
     offers and sales of the Option Shares.

















<PAGE>   10

                                     - 10 -


                                    ARTICLE 5
                               CERTAIN LIMITATIONS

SECTION 5.1 MAXIMUM TOTAL PROCEEDS.

     Notwithstanding any other provision of this Agreement or the Merger
Agreement, in no event shall ALCATEL's Total Proceeds (as hereinafter defined)
exceed $375 million and, if it otherwise would exceed such amount, ALCATEL, at
its sole election, shall either: (i) reduce the number of Option Shares subject
to this Option; (ii) deliver to NEWBRIDGE for cancellation Option Shares
previously purchased by ALCATEL hereunder; (iii) pay cash to NEWBRIDGE; or (iv)
any combination thereof, so that ALCATEL's Total Proceeds shall not exceed $375
million after taking into account the foregoing actions.  As under herein, the
term "TOTAL PROCEEDS" shall mean the aggregate amount (before taxes) of the
following: (i) the amount received by ALCATEL pursuant to a Cash Exercise
Notice pursuant to Section 1.2(5); (ii) (x) the net cash amounts, or fair value
of any securities or property, received by ALCATEL pursuant to the then agreed
sale of Option Shares purchased or acquired pursuant to this Agreement (or any
other securities into which such Option Shares are converted or exchanged in
any manner whatsoever) to any unaffiliated party or the net cash proceeds
determined as of the date of such proposed exercise assuming that such Option
Shares were sold for cash at the closing market price for the NEWBRIDGE Common
Shares on the TSE as of the close of business on the preceding trading day
(less customary brokerage commissions), whichever is greater, less (y)
ALCATEL's Purchase Price for such shares; and (iii) any amounts received by
ALCATEL pursuant to Section 6.4(1) of the Merger Agreement.

                                    ARTICLE 6
                            TERMINATION OF AGREEMENT

SECTION 6.1 TERMINATION.

     This Agreement, other than the rights and obligations of ALCATEL and
NEWBRIDGE under Sections 3.2 and 5.1, shall terminate on the Termination Date.

                                    ARTICLE 7
                                  MISCELLANEOUS

SECTION 7.1 AMENDMENT.

     This Agreement may not be amended except by an instrument in writing
signed by each of the parties hereto.

















<PAGE>   11

                                     - 11 -


SECTION 7.2 WAIVER.

     Either party hereto may (a) extend the time for or waive compliance with
the performance of any obligation or other act of the other party hereto or (b)
waive any inaccuracy in the representations and warranties contained herein or
in any document delivered pursuant hereto.  Any such extension or waiver shall
be valid if set forth in an instrument in writing signed by the party to be
bound thereby.

SECTION 7.3 NOTICES.

     All notices, requests, claims, demands and other communications hereunder
shall be in writing and shall be given (and shall be deemed to have been duly
given upon receipt) by delivery in person, by telecopy or facsimile, by
registered or certified mail (postage prepaid, return receipt requested) or by
a nationally recognized courier service to the respective parties at their
addresses as specified in the Merger Agreement.

SECTION 7.4 SEVERABILITY.

     If any term or other provision of this Agreement is invalid, illegal or
incapable of being enforced by any rule of law or public policy, all other
conditions and provisions of this Agreement shall nevertheless remain in full
force and effect so long as the economic or legal substance of the transactions
contemplated hereby is not affected in any manner materially adverse to any
party.  Upon such determination that any term or other provision is invalid,
illegal or incapable of being enforced, the parties hereto shall negotiate in
good faith to modify this Agreement so as to effect the original intent of the
parties as closely as possible in a mutually acceptable manner to the fullest
extent permitted by applicable law in order that the transactions contemplated
hereby may be consummated as originally contemplated to the fullest extent
possible.

SECTION 7.5 ASSIGNMENT; BINDING EFFECT; BENEFIT.

     Except as expressly provided herein, neither this Agreement nor any of the
rights, interests or obligations hereunder shall be assigned (by operation of
law or otherwise) without the prior written consent of any of the parties
hereto. Notwithstanding the foregoing, ALCATEL may assign this Agreement and
any of the rights, interests or obligations hereunder to any affiliate of
ALCATEL without the consent of NEWBRIDGE.  Subject to the first and second
sentence of this section, this Agreement shall be binding upon and shall enure
to the benefit of the parties hereto and their respective successors and
permitted assigns.

SECTION 7.6 SPECIFIC PERFORMANCE.

     The parties hereto agree that irreparable damage would occur in the event
any provision of this Agreement were not performed in accordance with the terms
hereof and that the parties shall be entitled to specific performance of the
terms hereof, in addition to any other remedy at law or in equity.

















<PAGE>   12

                                     - 12 -


SECTION 7.7 GOVERNING LAW.

     This Agreement shall be governed by, and construed in accordance, with the
laws of the Province of Ontario and the federal laws of Canada applicable
therein.  All actions and proceedings arising out of or relating to this
Agreement shall be heard and determined exclusively in the courts of the
Province of Ontario.

SECTION 7.8 HEADINGS.

     The descriptive headings contained in this Agreement are included for
convenience of reference only and shall not affect in any way the meaning or
interpretation of this Agreement.

SECTION 7.9 ENTIRE AGREEMENT.

     This Agreement and the Merger Agreement constitutes the entire agreement
between the parties with respect to the subject matter hereof and supersedes
all prior agreements and understandings between the parties with respect
thereto.  No addition to or modification of any provision of this Agreement
shall be binding upon any party hereto unless made in writing and signed by all
parties hereto.

















<PAGE>   13

                                     - 13 -


     IN WITNESS WHEREOF, the parties hereto have caused this Option Agreement
to be executed as of the date first written above by their respective officers
thereunto duly authorized.



                                         ALCATEL

                                         By: /s/ Serge Tchuruk
                                            ------------------------------------
                                             Name: Serge Tchuruk
                                             Title: Chairman & CEO

                                         NEWBRIDGE NETWORKS
                                         CORPORATION

                                         By: /s/ Pearse Flynn
                                            ------------------------------------
                                             Name: Pearse Flynn
                                             Title: President COO

                                         By: /s/ Kenneth B. Wigglesworth
                                            ------------------------------------
                                             Name: Kenneth B. Wigglesworth
                                             Title: EVP Finance and CFO

















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