VIANET TECHNOLOGIES INC
8-K, 1999-06-02
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                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 8 K

                                 CURRENT REPORT
                       PURSUANT TO SECTION 13 OR 15(d) OF
                       THE SECURITIES EXCHANGE ACT OF 1934


                                  June 1, 1999
                                (Date of report)


                            VIANET TECHNOLOGIES, INC.

<TABLE>
<CAPTION>
<S>                                         <C>                                                 <C>
NEVADA                                      033-55254-19                                        87-0434285
(State of Incorporation)               (Commission File Number)                                 (IRS Employer ID)
</TABLE>


                                83 Mercer Street
                            New York, New York 10012
                    (Address of Principle Executive Offices)


                                 (212) 219-7680
                         (Registrant's Telephone Number)




<PAGE>
ITEM 2.  Business Combination

     On April 5, 1999 the Company  entered into an  Arrangement  Agreement  (the
"Arrangement")  to  acquire  all  the  outstanding   shares  of  Develcon.   The
Arrangement has received the approval of the Supreme Court of British  Columbia,
the Securityholders and Debentureholders of Develcon.

     The Arrangement provided for Develcon  shareholders to receive one share of
common stock of the Company for every 30.75 shares of Develcon.  The Arrangement
also provided  that the Develcon  convertible  notes  payable be converted  into
5.9963 Develcon shares for each $1.00 principal amount of notes payable and that
interest which was accrued on the  convertible  notes payable but not paid shall
be forgiven.  These shares also converted into Vianet shares in the ratio of one
share of the Company for every 30.75 shares of Develcon. Additionally, effective
upon closing, certain other creditors of Develcon agreed to either accept common
stock of Vianet as payment for  amounts or portions of amounts  owed to them and
have  restructured the repayment  schedule.  In exchange for  restructuring  the
repayment  schedule  of its debt,  if such debt has not been  repaid by June 30,
1999, a lender of Develcon granted warrants to purchase 150,000 shares of Vianet
stock at the  greater  of $6.00  per  share or 90% of the  price per share of an
offering of no less than $2.5  million  completed  between May 15, 1999 and June
30, 1999. The warrants become  exercisable  over an approximate  24-month period
and expire on June 30, 2002. Upon completion of the Arrangement,  defaults under
long-term debt agreements are expected to be cured.

     On May  11,  1999,  Develcon  held  it's  Annual  and  Special  Meeting  of
Shareholders,  at which time the Securityholders and  Debentureholders  approved
the Arrangement. The Arrangement became effective on May 18, 1999.

     As a result of the closing of the Arrangement,  the former shareholders and
creditors of Develcon,  excluding the Company,  hold  approximately  2.3 million
shares of the  approximate  8.4 million  shares of common  stock the Company has
outstanding.


ITEM 7. Appendicies

         Arrangement Agreement
         Plan of Arrangement
         Securityholders' Resolution
         Debentureholders' Resolution

<PAGE>
                                    SIGNATURE


     Pursuant  to the  requirements  of  Section  13 or 15(d) of the  Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the Undersigned, thereunto duly authorized.

Vianet Technologies, Inc.
(Registrant)


/s/ Peter Leighton
- -----------------------------------
By: Peter Leighton
President & CEO





<PAGE>
                                   APPENDIX A
                              AMENDED AND RESTATED
                              ARRANGEMENT AGREEMENT


     THIS AMENDED AND RESTATED AGREEMENT made as of the 5th day of April, 1999

BETWEEN:

                VIANET TECHNOLOGIES, INC., a Nevada corporation,
                     (hereinafter referred to as "Vianet")

                                      and

  DEVELCON ELECTRONICS LTD., a corporation continued under the laws of Canada,
                 (hereinafter referred to as the "Corporation")

WHEREAS:

     A. Vianet and the Corporation wish to propose an arrangement  involving the
Corporation,  the holders of common  shares of the  Corporation,  the holders of
options and  warrants  issued by the  Corporation,  the  holders of  convertible
debentures  issued  by  the  Corporation,   Vianet  and  a  newly   incorporated
wholly-owned  subsidiary  of  Vianet  ("Subco"),  in  order  to  reorganize  the
Corporation's  affairs and therefore wishes to carry out certain transactions on
the basis hereinafter set forth;

     B. The parties  hereto  intend to carry out the  transactions  contemplated
herein pursuant to an arrangement under the CBCA;

     C. In addition to the arrangement, the parties intend to enter into certain
other transactions including certain loans by Vianet to the Corporation;

     D. The board of directors of the  Corporation  has determined that it would
be advisable and in the best interests of the  Corporation  for it to enter into
this Agreement;

     E. The Corporation and Vianet  Technologies,  Inc. ("Vianet  Delaware"),  a
Delaware  corporation  and a predecessor to Vianet,  entered into an Arrangement
Agreement dated as of the 12th day of February;

     F. On March 22, 1999, Vianet Delaware merged with and into Radar Resources,
Inc. with Radar Resources, Inc. as the surviving corporation;

     G. As part of the merger, Radar Resources,  Inc. changed its name to Vianet
Technologies, Inc., being the party hereto;

     H. The  parties  desire to amend and restate  the  above-noted  Arrangement
Agreement to take into consideration  certain matters arising as a result of the
above-noted merger;

     NOW  THEREFORE in  consideration  of the mutual  covenants  set out in this
Agreement and other good and valuable consideration, the receipt and sufficiency
of which is acknowledged, Vianet and the Corporation agree as follows:


1.        The Transactions

         1.1 Process. Subject to the terms and conditions of this Agreement:

               (a) as soon as  reasonably  practicable,  the  Corporation  shall
          apply to the Court  pursuant  to Section  192 of the CBCA for an order
          approving  the  Arrangement  and in connection  with such  application
          shall:



<PAGE>
                    (i)  in  due  course  file,   proceed  with  and  diligently
               prosecute  an  application  for an Interim  Order  under  Section
               192(4) of the CBCA providing for, among other things, the calling
               and  holding  of the  Special  Meeting  for  the  purpose  of the
               Securityholders  considering and, if deemed advisable,  approving
               the   Arrangement   and   the   calling   and   holding   of  the
               Debentureholders  Special  Meeting,  or  circulation of a written
               resolution to the Convertible  Debentureholders,  for the purpose
               of the Convertible  Debentureholders  considering  and, if deemed
               advisable,   approving  the  Arrangement  and  other   procedural
               matters; and

                    (ii)   subject   to   obtaining    the   approval   of   the
               Securityholders and Convertible  Debentureholders as contemplated
               in the  Interim  Order and as may be directed by the Court in the
               Interim Order, take the steps necessary to submit the Arrangement
               to the Court and apply for the Final Order;

                  and, subject to the fulfilment or waiver of the conditions set
forth in Schedules C and D, shall file with the Director Articles of Arrangement
and such other documents as may be required to give effect to the Arrangement;

          (b) the Arrangement shall become effective on the Effective Date;

          (c) as soon as  reasonably  practicable  after the  execution  of this
     Agreement,  the  Corporation  shall call and hold the Special Meeting on or
     before  the  Meeting  Date  to  consider  and  approve,   inter  alia,  the
     Arrangement and Vianet shall provide commercially reasonable cooperation to
     the Corporation in respect of this matter;

          (d) as soon as is reasonably  practicable  after the execution of this
     Agreement, the Corporation shall call and hold a meeting of, or circulate a
     written resolution to, the  Debentureholders  on or before the Meeting Date
     to consider  and  approve,  inter alia,  the  Arrangement  and Vianet shall
     provide commercially reasonable cooperation in respect of this matter; and

          (e) in  furtherance  of  completing  the  Arrangement,  Vianet and the
     Corporation  shall  work  together  to  prepare  a  management  information
     circular  in  connection  with the  Special  Meeting  and  Debentureholders
     Special  Meeting  (or  the  written   resolution  to  be  executed  by  the
     Convertible  Debentureholders  in  respect  of those  matters  which  would
     otherwise be considered at the Debentureholders Special Meeting),  relevant
     filings and applications to be made by Vianet with the SEC and the NASD and
     such other documents as may be necessary or desirable.

     1.2 Compliance with Legislation. Vianet and the Corporation shall cause the
Arrangement to be implemented in compliance with the Legislation.

2.        Conditions of Transaction

     2.1  Conditions in Favor of Vianet.  The  obligations of Vianet to complete
the Arrangement shall be subject to the fulfilment,  or the waiver by Vianet, of
the conditions set out in Schedule C, each of which is for the exclusive benefit
of Vianet and may be waived by Vianet at any time,  in whole or in part,  in its
sole  discretion  without  prejudice to any other  rights that it may have.  The
obligations  of Vianet to complete the Priority  Advance shall be subject to the
fulfilment, or the waiver by Vianet, of the conditions precedent to the priority
advance set out in Schedule B and the conditions precedent in Sections (i), (j),
(k),  (l),  (q),  (s), (t) and (u) of Schedule C (as they relate to the Priority
Advance and as of the date of the  Priority  Advance),  each of which is for the
exclusive benefit of Vianet and may be waived by Vianet at any time, in whole or
in part, in its sole  discretion  without  prejudice to any other rights that it
may have.

     2.2  Conditions  in  Favor  of  the  Corporation.  The  obligations  of the
Corporation to complete the Arrangement  shall be subject to the fulfilment,  or
the waiver by the Corporation,  of the conditions set out in Schedule D, each of
which is for the exclusive  benefit of the  Corporation and may be waived by the
Corporation  at any time,  in whole or in part, in its sole  discretion  without
prejudice to any other rights that it may have.



<PAGE>
3.        Representations and Warranties

     3.1  Representations  and Warranties of the  Corporation.  The  Corporation
represents and warrants to Vianet as to those matters set forth in Schedule E.

     3.2  Representations  and  Warranties  of  Vianet.  Vianet  represents  and
warrants to the Corporation as to those matters set forth in Schedule F.

4.        Implementation of the Arrangement

     4.1 General.  Each of Vianet and the Corporation shall, and the Corporation
shall  cause its  Subsidiaries  to and  Vianet  shall  cause  Subco to,  use all
reasonable  efforts to satisfy each of the conditions  precedent to be satisfied
by it and to take, or cause to be taken, all other action and to do, or cause to
be done,  all  other  things  necessary,  proper  or  advisable  to  permit  the
completion  of the Priority  Advance and  Arrangement  in  accordance  with this
Agreement and to cooperate  with each other in connection  therewith,  including
the following by the relevant Party:

          (a) the  Corporation  will in a timely and  expeditious  manner and as
     soon as practicable,  but in any event not later than April 15, 1999, file,
     proceed with and  diligently  prosecute an  application  to the Court under
     Section   192(4)  of  CBCA  for  an  Interim  Order  with  respect  to  the
     Arrangement;  providing for, among other things, the calling and holding of
     the Special Meeting for the purpose of the Securityholders considering and,
     if deemed advisable,  approving the Arrangement and the calling and holding
     of the  Debentureholders  Special  Meeting,  or  circulation  of a  written
     resolution  to the  Convertible  Debentureholders,  for the  purpose of the
     Convertible   Debentureholders   considering  and,  if  deemed   advisable,
     approving the Arrangement;

          (b) the Corporation  will, in a timely and  expeditious  manner and as
     soon as practicable:

               (i) comply with the terms of the Interim Order;

               (ii) file the Information Circular in all jurisdictions where the
          same is required to be filed and mail the same to Securityholders  and
          holders of Convertible  Debentures as ordered by the Interim Order and
          in accordance with applicable law, in all jurisdictions where the same
          is required,  complying in all material  respects with all  applicable
          legal requirements on the date of mailing thereof;

               (iii) convene the Special  Meeting and  Debentureholders  Special
          Meeting (or circulate a written resolution to the  Debentureholders to
          approve  those  matters  which would  otherwise be  considered  at the
          Debentureholders  Special  Meeting)  in each  case as  ordered  by the
          Interim Order;

               (iv)  subject to the  provisions  hereof,  solicit  proxies to be
          voted at the Special Meeting and Debentureholders  Special Meeting, if
          any, in favor of the Arrangement;

               (v)  provide  notice  to Vianet of the  Special  Meeting  and the
          Debentureholders   Special   Meeting,   if  any,  and  allow  Vianet's
          representatives to attend the Special Meeting and the Debentureholders
          Special  Meeting,  if any, unless such attendance is prohibited by the
          Interim Order; and

               (vi) conduct the Special Meeting and the Debentureholders Special
          Meeting,  if any, in accordance with the Interim Order, the by-laws of
          the  Corporation  and  any  instrument   governing  such  meeting,  as
          applicable, and as otherwise required by law;

<PAGE>
          (c) the Corporation shall permit Vianet and its counsel to participate
     fully in the  preparation  of all  material to be filed by the  Corporation
     with the Court in connection with the Arrangement  prior to the service and
     filing of that  material;  the  Corporation  shall also provide  counsel to
     Vianet on a timely  basis  with  copies of any  notice  of  appearance  and
     evidence  served  on the  Corporation  or its  counsel  in  respect  of the
     application  for the Final Order or any appeal  therefrom and of any notice
     (written or oral) received by the  Corporation  indicating any intention to
     appeal the Final Order;

          (d) the Corporation  will permit Vianet and its counsel to participate
     fully in the preparation of all documentation to be sent to Securityholders
     and holders of  Convertible  Debentures  in  connection  with the approvals
     being sought in respect of the Arrangement;

          (e) each of the Parties  shall  cooperate  with each other on a timely
     basis in  connection  with the  preparation  of, and shall  furnish to each
     other such information as may be reasonably necessary for inclusion in, the
     Information  Circular  and  all  documents  and  information  necessary  or
     desirable to be filed by Vianet with the SEC or NASD in connection with the
     Arrangement;

          (f) the  Information  Circular shall be prepared by the Corporation in
     accordance with all applicable laws and, without limiting the generality of
     the foregoing,  will provide the Securityholders and holders of Convertible
     Debentures with  information in sufficient  detail to permit them to form a
     reasoned  judgment  concerning  the  matters  before  them and  such  other
     disclosure as is required by applicable law provided that,  with respect to
     the portions of the Information  Circular  relating  solely to Vianet,  the
     Corporation  will rely  entirely  upon the  information  provided  by or on
     behalf of Vianet  expressly for the purpose of inclusion in the Information
     Circular,  without having to make or rely upon any independent inquiries as
     to the  accuracy  or  completeness  thereof,  and  shall  have  no  further
     obligation,  responsibility or liability for its accuracy,  completeness or
     correctness;

          (g) the Corporation  shall prepare (in  co-operation  with Vianet) the
     Information Circular which shall include the Plan of Arrangement, a copy of
     this  Agreement  and  fairness  opinion  and  the  Corporation   shall  use
     reasonable   commercial  efforts  to  mail  the  Information   Circular  to
     Securityholders  and  holders of  Convertible  Debentures  by no later than
     April 20, 1999 (or such later date as may be agreed to by Vianet);

          (h) the  Corporation  shall,  subject  to there  being no  Alternative
     Proposal and the  Corporation's  board of  directors  receiving a "fairness
     opinion"  advising that the relevant  aspects of the  Arrangement  are fair
     from a financial point of view to the Securityholders, use all commercially
     reasonable  efforts to obtain the  approval of the  Securityholders  to the
     Arrangement at the Special Meeting in compliance with the Interim Order and
     the Legislation and the Corporation  covenants that, subject to there being
     no Alternative  Proposal and the Corporation's board of directors receiving
     a "fairness  opinion" advising that the relevant aspects of the Arrangement
     are  fair  from a  financial  point  of  view to the  Securityholders,  the
     Information  Circular  shall  contain  a  recommendation  of the  board  of
     directors  of  the  Corporation  that  the   Securityholders   approve  the
     Arrangement;

          (i) the  Corporation  shall,  subject  to there  being no  Alternative
     Proposal and the  Corporation's  board of  directors  receiving a "fairness
     opinion"  advising that the relevant  aspects of the  Arrangement  are fair
     from  a  financial  point  of  view  to  the  holders  of  the  Convertible
     Debentures,  use all commercially  reasonable efforts to obtain approval of
     the  Arrangement  by the holders of the required  majority of the principal
     amount of the  Convertible  Debentures in accordance with the Interim Order
     and  the  Legislation  and  terms  of the  Convertible  Debentures  and the
     Corporation  covenants,  subject to there being no Alternative Proposal and
     the Corporation's  board of directors receiving a fairness opinion advising
     that the  relevant  aspects of the  Arrangement  are fair from a  financial
     point of view to the holders of  Convertible  Debentures,  the  Information


<PAGE>
     Circular  shall contain a  recommendation  of the board of directors of the
     Corporation  that the  holders of the  Convertible  Debentures  approve the
     Arrangement;

          (j)  subject  to  there  being  no   Alternative   Proposal   and  the
     Corporation's  board of directors receiving a fairness opinion as described
     in Sections  4.1(h) and (i) above,  the  Corporation  shall,  in all public
     comments  (whether  oral or written) in  relation  to the  Arrangement,  be
     consistent with and supportive of the  recommendation  of the Corporation's
     board of directors  described  in Sections  4.1(h) and (i); and neither the
     board of directors of the Corporation nor the Corporation shall act or fail
     to  act in  any  way  that  might  reasonably  be  expected  to  discourage
     Securityholders  or holders of Convertible  Debentures from voting in favor
     of the  Arrangement  or that  might  encourage  Securityholders  or holders
     Convertible Debentures to vote against the Arrangement;

          (k) the Corporation shall promptly reaffirm its  recommendation of the
     Plan of Arrangement by press release after:  (i) any  Acquisition  Proposal
     (which  is  determined  not  to be an  Alternative  Proposal)  is  publicly
     announced  or made;  or (ii) Vianet has agreed to amend this  Agreement  to
     provide for substantially  similar or equivalent terms to those included in
     any Proposed Alternative Transaction;

          (l) the  Corporation  shall comply with such provisions of the Ontario
     Securities  Commission's Policy Statement No. 9.1 and the Quebec Securities
     Commission's   Policy  Q-27  as  are  applicable  in  connection  with  the
     Arrangement and the Priority Advance;

          (m) each of the  Corporation  and Vianet  shall  effect or cause to be
     effected all necessary or advisable registrations,  filings and submissions
     in  connection  with  the  Arrangement  and  the  Priority  Advance  and in
     compliance with the Legislation (including filings, if any, required by the
     Investment Canada Act (Canada));

          (n) each of the Parties shall obtain, prior to the Effective Date, all
     licences, consents, approvals, authorizations and orders of Agencies as may
     be necessary or desirable for the consummation of the Arrangement;

          (o) the  Corporation  shall,  and  shall  cause its  Subsidiaries  to,
     provide notice  regarding the Priority  Advance and the Arrangement to, and
     obtain all  necessary  or  desirable  waivers,  consents  and  approvals or
     releases  regarding the Priority  Advance and the Arrangement  from,  other
     parties to agreements,  understandings  or other documents to which it is a
     party or by which it is or its properties are bound or affected (including,
     without  limitation,  loan  agreements,  leases,  pledges,  guarantees  and
     security);

          (p) the  Corporation  shall  co-operate  with Vianet in obtaining  any
     approval,  consent,  waiver  or  order  required  to be  obtained  from any
     regulatory or  governmental  authority or private party in connection  with
     the  approval or  completion  of the  Arrangement,  including  obtaining an
     exemption order from the Commission des valeurs mobilieres du Quebec;

          (q) the Corporation (and its  Subsidiaries)  and Vianet shall each use
     reasonable commercial efforts to satisfy (or cause the satisfaction of) the
     conditions precedent set forth in Schedules C and D, to the extent the same
     is within its control and to take,  or cause to be taken,  all other action
     and to do,  or cause to be done,  all  other  things  necessary,  proper or
     advisable   under   applicable   laws  and   regulations  to  complete  the
     Arrangement;

          (r) each of the Corporation (and its Subsidiaries) and Vianet will not
     take any action, refrain from taking any action, or permit any action to be
     taken or not  taken,  inconsistent  with  this  Agreement  or  which  might
     reasonably  be expected  to,  directly  or  indirectly,  interfere  with or
     adversely affect the consummation of the Arrangement;



<PAGE>
          (s) the Corporation will, except for proxies and other non-substantive
     communications with Securityholders and holders of Convertible  Debentures,
     furnish promptly to Vianet a copy of each material notice, report, schedule
     or other  document  or  communication  delivered,  filed or received by the
     Corporation in connection with the Arrangement,  the Special  Meeting,  the
     Debentureholders  Special Meeting or any other meeting of the Corporation's
     security  holders or class of security  holders which all such holders,  as
     the case may be,  are  entitled  to  attend,  any  material  filings  under
     applicable  laws and any  material  dealings  with  regulatory  agencies in
     connection  with, or in any way affecting,  the  transactions  contemplated
     herein;

          (t) the Corporation  will,  subject to the approval of the Arrangement
     at the Special Meeting and Debentureholders  Special Meeting (or by written
     resolution of the  Convertible  Debentureholders)  in  accordance  with the
     provisions of the Interim Order, as soon as  practicable,  but in any event
     not later than May 17, 1999 file, proceed with and diligently  prosecute an
     application for the Final Order;

          (u) the Corporation will comply with the terms of the Final Order and,
     subject to the receipt of the Final Order and satisfaction or waiver of the
     conditions  set out in Schedule D, will file  Articles of  Arrangement  and
     such other  documents as may be required to give effect to the  Arrangement
     with the Director in order for the  Arrangement  to become  effective on or
     before May 19, 1999;

          (v) the  Corporation  shall use  commercially  reasonable  efforts  to
     obtain  approval in writing for the  Arrangement  within five (5) days from
     the date  hereof  from  shareholders  who in  aggregate  hold not less than
     twenty-five  (25) million  common  shares of the  Corporation  and from the
     holders of Existing Options described in Schedule G, such approval to be in
     the form of a  written  agreement  in form and  substance  satisfactory  to
     Vianet and to which Vianet shall be a party and pursuant to which each such
     Person  shall,  among  other  things,  (i)  agree  to vote to  approve  the
     Arrangement  at the Special  Meeting  and appoint  Vianet or such Person as
     Vianet may  designate  as such  Securityholder's  proxy for such meeting to
     vote in the foregoing manner and in respect of all other matters considered
     at the Special Meeting or any adjournment or extension  thereof and appoint
     Vianet or any such Person as Vianet may designate as such  Securityholder's
     attorney-in-fact  and  agent  for,  in the  name  of and on  behalf  of the
     Securityholder  to vote the  Securityholder's  Common  Shares  or  Existing
     Options,  as the case may be, at the Special Meeting and (ii) agree to vote
     to approve the  Arrangement in such manner and form and by such date as may
     be  satisfactory  to The  Toronto  Stock  Exchange  in order to obtain such
     approvals  and consents as may be necessary or desirable to obtain from The
     Toronto Stock Exchange in connection with the Arrangement; and

          (w) the  Corporation  shall use  commercially  reasonable  efforts  to
     obtain  approval in writing for the  Arrangement  within five (5) days from
     the date hereof from holders of 75% of the principal  amount of Convertible
     Debentures,  such approval to be in the form of a written agreement in form
     and substance  satisfactory  to Vianet and to which Vianet shall be a party
     and pursuant to which such  holders of the  Convertible  Debentures  shall,
     among  other  things,  agree  to vote to  approve  the  Arrangement  at the
     Debentureholders  Special  Meeting,  or in the  written  resolution  of the
     holders  of  the  Convertible   Debentures  to  consider  and  approve  the
     Arrangement  and appoint  Vianet or such Person as Vianet may  designate as
     such holder of  Convertible  Debentures'  proxy for such meeting to vote in
     the foregoing manner and in respect of all other matters considered at such
     meeting or any  adjournment or extension  thereof and appoint Vianet or any
     such  Person  as  Vianet  may  designate  as  such  holder  of  Convertible
     Debentures' attorney-in-fact and agent for, in the name of and on behalf of
     such  holder of  Convertible  Debentures,  to  exercise  such holder of the
     Convertible Debentures' right to vote at such meeting or in respect of such
     written resolution.

<PAGE>
          (x) subject to Section  4.1(y),  as soon as practicable  following the
     Arrangement,  Vianet  shall  file  with the U.S.  Securities  and  Exchange
     Commission  registration statements relating to the common shares of Vianet
     (i)  issued  pursuant  to the  Arrangement  (to  the  extent  necessary  or
     desirable)  and (ii)  issuable  upon  exercise of the options and  warrants
     issued by Vianet pursuant to the Arrangement to holders of Existing Options
     and  Vianet  shall  use  commercially   reasonable  efforts  to  make  such
     registration  statement  effective as soon as practicable  after the filing
     thereof unless in the reasonable  opinion of Vianet,  acting in good faith,
     it is unlikely that such a registration statement would be made effective;

          (y) provided that a registration statement has not been filed pursuant
     to Section 4.1(x),  the first  registration  statement filed by Vianet with
     the U.S. Securities and Exchange  Commission  following the Arrangement (in
     addition to possibly  relating to other  securities of Vianet) shall relate
     to the common shares of Vianet (i) issued  pursuant to the  Arrangement (to
     the extent  necessary or desirable)  and (ii) issuable upon exercise of the
     options  and  warrants  issued by Vianet  pursuant  to the  Arrangement  to
     holders of Existing  Options and Vianet shall use  commercially  reasonable
     efforts to make such  registration  statement  effective in respect of such
     common shares of Vianet unless in the reasonable opinion of Vianet,  acting
     in good faith,  it is unlikely that such a registration  statement would be
     made effective; and

          (z) Vianet will use commercially reasonable efforts to have its common
     shares  authorized  for quotation on The Nasdaq Small Cap Market as soon as
     practicable following the Arrangement.

     4.2  Defence  of  Proceedings.  Each of Vianet  and the  Corporation  shall
vigorously  defend,  or cause  to be  defended,  any  lawsuits  or  other  legal
proceedings  brought  against  it or  any  of its  affiliates  challenging  this
Agreement or the completion of all or part of the Arrangement. None of Vianet or
the Corporation  shall settle or compromise any claim brought in connection with
the Arrangement prior to the Effective Date by Persons that are or purport to be
holders of any of its securities without prior consultation with the other.

     4.3 Business in the Ordinary  Course.  Prior to the Effective Date,  unless
Vianet shall  otherwise  agree in writing (such agreement not to be unreasonably
withheld) or as otherwise expressly contemplated or permitted by this Agreement,
the Corporation  shall (and shall cause each of its Subsidiaries to) conduct its
and their  respective  businesses in the ordinary course of business  consistent
with past practice. Without limitation, the Corporation shall:

          (a) not, and shall cause each of its Subsidiaries to not, do or permit
     to occur any of the  following  (directly  or  indirectly)  outside  of the
     ordinary course of business  consistent  with past practice,  except to the
     extent  necessary  to give effect to  obligations  under this  Agreement or
     otherwise existing as at February 12, 1999:

               (i) issue, sell, pledge,  lease, dispose of, encumber or agree to
          issue, sell, pledge, dispose of or encumber:

                    (A)  any  securities,   including,  for  greater  certainty,
               options or stock appreciation  rights (other than the issuance of
               Common  Shares  upon the  exercise  of the  Existing  Options  or
               conversion  of the  Convertible  Debentures  or  the  Convertible
               Note); or

                    (B) any material assets;

               (ii)  amend  or  propose  to amend  articles  or  by-laws  of the
          Corporation or any of its Subsidiaries;

               (iii) declare or make any  distribution  (in cash,  securities or
          other  property)  in respect of any  securities,  other than  payments
          required  to be made in respect  of the  Convertible  Debentures,  the
          Convertible Note and existing credit facilities;



<PAGE>
               (iv) redeem, purchase or offer to purchase any securities;

               (v) reorganize,  amalgamate or merge with any other Person (other
          than as contemplated hereby);

               (vi) reduce its stated capital;

               (vii)  acquire  or agree to acquire  (by a merger,  amalgamation,
          acquisition of stock or assets or otherwise) any Person;

               (viii) incur,  or commit to incur,  otherwise  than under current
          operating  lines of credit,  (i) any  indebtedness  for borrowed money
          (except as contemplated hereunder) or (ii) any obligations for capital
          expenditures   (other  than   $50,000  per  month  for   research  and
          development  and  demonstration  equipment  on  the  premises  of  the
          Corporation  or its  clients)  without  the prior  written  consent of
          Vianet, which shall not be unreasonably withheld; or

               (ix) enter into or modify any contract, agreement,  commitment or
          arrangement  with  respect  to any of the  matters  set  forth in this
          Section 4.3(a);

          (b) not, and shall cause each of its  Subsidiaries  to not,  except in
     the ordinary  course of business and  consistent  with past  practice or as
     contemplated herein:

               (i)  without  the  approval  of Vianet,  enter into or modify any
          employment,  severance, collective bargaining or similar agreements or
          arrangements  with,  or  grant  any  salary  increases,  severance  or
          termination  pay to, any officers or directors  other than pursuant to
          agreements  in effect as at  February  12, 1999 or pursuant to ongoing
          labour negotiations;

               (ii) in the case of employees  who are not officers or directors,
          take any  action  with  respect  to the grant of any  bonuses,  salary
          increases,  severance  or  termination  pay  other  than  pursuant  to
          agreements and policies in effect as at February 12, 1999; or

               (iii)  adopt or amend any  bonus,  profit  sharing  compensation,
          stock option, pension, retirement,  deferred compensation,  employment
          or other employee benefit plan, agreement,  trust, fund or arrangement
          for the  benefit or welfare of any  employee  except to enable  Common
          Shares  issued  or  issuable  thereunder  to vest  and be voted at the
          Special Meeting.

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

          (d) use its  commercially  reasonable  efforts,  and cause each of its
     Subsidiaries to use its commercially  reasonable efforts to preserve intact
     their respective business organizations and goodwill, to keep available the
     services  of their  respective  officers  and  employees  as a group and to
     maintain satisfactory relationships with suppliers, distributors, customers
     and others with whom they have business relationships.

     4.4 Access to  Information.  The  Corporation  shall,  and shall  cause its
Subsidiaries  and the  officers,  directors,  employees and agents of it and its
Subsidiaries  to,  provide  to Vianet  and its  officers,  employees  and agents
complete  access  at all  reasonable  times  and  on  reasonable  notice  to the
respective businesses,  properties,  assets, officers,  employees, agents, books
and records (including all financial,  operating,  personnel,  compensation, tax
and other data and  information)  of the  Corporation  and its  Subsidiaries  as
Vianet or its respective officers, employees or agents, may reasonably request.

<PAGE>
5. Commitment to the Transaction.

     5.1 Other Proposals.

          (1) The  Corporation  shall not,  directly or indirectly,  through any
     officer, director, employee,  representative or agent of the Company or any
     of its Subsidiaries,  solicit or encourage  (including by way of furnishing
     non-public information or entering into any form of agreement,  arrangement
     or  understanding)  the initiation of any inquiries or proposals  regarding
     any merger, amalgamation,  arrangement,  take-over bid, sale of substantial
     assets,  sale of treasury shares or similar  transactions or any financings
     which  individually  or  in  aggregate  are  in  excess  of  Cdn.$1,000,000
     involving the Corporation or any  Subsidiaries  of the Corporation  (any of
     the  foregoing  inquiries  or  proposals  being  referred  to  herein as an
     "Acquisition  Proposal").  Subject to compliance with Section 5.2,  nothing
     contained in this Section 5.1 or other  provision of this  Agreement  shall
     prevent the board of  directors  of the  Corporation  from  responding  to,
     considering, negotiating, approving and recommending to the shareholders of
     the Corporation an unsolicited bona fide written  Acquisition  Proposal for
     which adequate  financial  arrangements  have been made, which the board of
     directors of the Corporation  determines in good faith (after  consultation
     with its  financial  advisors,  and after  receiving  a written  opinion of
     outside  counsel,  or advice of outside  counsel  that is  reflected in the
     minutes of the board of  directors of the  Corporation,  to the effect that
     the board of directors is required to do so in order to discharge  properly
     its fiduciary  duties) would,  if consummated in accordance with its terms,
     result  in  a  transaction  more  favorable  to  the  shareholders  of  the
     Corporation  than the  Arrangement  (any such  Acquisition  Proposal  being
     referred to herein as an "Alternative Proposal").

          (2) The Corporation shall immediately cease and cause to be terminated
     any  existing  discussions  or  negotiations  with any parties  (other than
     Vianet) with respect to any actual or potential Acquisition  Proposal.  The
     Corporation agrees not to release any third party from any  confidentiality
     or standstill  agreement to which the Corporation and such third party is a
     party.

          (3) The  Corporation  shall notify Vianet of any existing  Acquisition
     Proposals  and shall within one business day  thereafter,  notify Vianet of
     any future Acquisition  Proposal or any request for non-public  information
     relating to the  Corporation or any of its  Subsidiaries in connection with
     an Acquisition  Proposal or for access to the properties,  books or records
     of the  Corporation  or any Subsidiary by any Person that, to the knowledge
     of the  Corporation,  informs any member of the board of  directors  of the
     Corporation or its Subsidiaries that it is considering making, or has made,
     an Acquisition Proposal.  Such notice to Vianet shall be made, from time to
     time,  orally  and in  writing  and  shall  indicate  such  details  of the
     proposal,  inquiry or contact known to such Person as Vianet may reasonably
     request including the identity of the Person making such proposal,  inquiry
     or contact.

          (4)  If  the  board  of  directors  of  the  Corporation  receives  an
     unsolicited  request for material  non-public  information from a party who
     proposes to the Corporation a bona fide Acquisition  Proposal and the board
     of  directors  of the  Corporation  determines  that  such  proposal  is an
     Alternative  Proposal pursuant to Section 5.1, then, and only in such case,
     the  Corporation  may,  subject  to  the  execution  of  a  confidentiality
     agreement,  provide  such party with access to  information  regarding  the
     Corporation.

          (5) The  Corporation  shall ensure that the  officers,  directors  and
     employees  of the  Corporation  and its  Subsidiaries  and  any  investment
     bankers or other advisors or  representatives  retained by the  Corporation
     are aware of the provisions of this Section,  and the Corporation  shall be
     responsible for any breach of this Section 5.1 by such bankers, advisors or
     representatives.

<PAGE>
     5.2 Right of First  Refusal.  The  Corporation  covenants  that neither the
board of  directors of it or its  Subsidiaries  will approve or recommend to its
shareholder(s),  and neither it nor any of its Subsidiaries  will enter into any
agreement  regarding,   an  Alternative  Proposal  (the  "Proposed   Alternative
Transaction")  without  providing  Vianet  with an  opportunity  to  amend  this
Agreement  to provide for  substantially  similar or  equivalent  terms to those
included in the Proposed Alternative Transaction. In particular, the Corporation
covenants to provide Vianet with a copy of any Proposed Alternative  Transaction
as  executed  by the party  making  the  proposal,  at least 5 days prior to its
proposed  execution by the Corporation or any of its Subsidiaries.  In the event
Vianet  agrees to amend  this  Agreement  as  provided  above,  the  Corporation
covenants to not enter into the Proposed Alternative Transaction.

6.        Expenses

     6.1 Reimbursement Expenses. If:

          (a)  the  board  of  directors  of  the  Corporation  or  any  of  its
     Subsidiaries   approves  or  recommends  to  its  Shareholder(s),   or  the
     Corporation or any of its Subsidiaries enters into, a Proposed  Alternative
     Transaction prior to the Closing Date; or

          (b)  the  Corporation  consummates  any  transactions  relating  to an
     Acquisition  Proposal prior to the sixth month  anniversary of February 12,
     1999;

then,  unless this  Agreement  is  terminated  pursuant to Section  7.1(a),  the
Corporation shall pay or cause to be paid to Vianet (or as it may direct) on the
day the  circumstances  in clause (a) occur (if the  circumstances in clause (a)
occur) or on or prior to the  consummation  of any  transactions  relating to an
Acquisition  Proposal (if the circumstances in clause (b) occur), a fee equal to
Cdn.$1,000,000  by bank  draft  in full  and  final  satisfaction  of a  genuine
pre-estimate of Vianet's  opportunity cost and all direct and indirect costs and
expenses  paid or accrued by Vianet in connection  with,  relating to or arising
from the proposed Arrangement and all prior matters culminating in entering into
this Agreement and all ancillary matters including, all costs, fees and expenses
incurred in connection with financing arrangements pertaining to the Arrangement
and for its investment advisors and counsel. The Corporation agrees that the fee
is a genuine pre-estimate of the foregoing costs and expenses and not a penalty.
The  Corporation  shall not be liable to Vianet for any other direct or indirect
costs or expenses paid or accrued by Vianet in connection with the  Arrangement.
This Section 6.1 is in addition and not in  substitution of any other rights and
remedies which may be available to Vianet.

7.        Termination of Agreement

     7.1  Termination  by Vianet.  This Agreement may be terminated by Vianet at
any time before the Effective Date:

          (a) with the written agreement of the Corporation;

          (b) if the Arrangement has not been completed by the Closing Date;

          (c) if it becomes apparent that, one or more of the conditions for the
     benefit of Vianet in Schedule C cannot be satisfied  and will not be waived
     by Vianet prior to the Closing Date; or

          (d) the board of directors or shareholders of the Corporation votes in
     favor of an  Alternative  Proposal  prior to the Closing Date or any senior
     officer  of the  Corporation  expresses  its  support  for  an  Alternative
     Proposal prior to the Closing Date.

     7.2  Termination  by  Corporation.  This Agreement may be terminated by the
Corporation at any time before the Effective Date:

          (a) with the written agreement of Vianet;

          (b) if the Arrangement have not been completed by the Closing Date;



<PAGE>
          (c) if it becomes  apparent that one or more of the conditions for the
     benefit of the  Corporation  in Schedule D cannot be satisfied and will not
     be waived by the Corporation prior to the Closing Date; or

          (d) the Corporation  makes a payment to Vianet pursuant to Section 6.1
     and repays all amounts  owing by the  Corporation  to Vianet at the time of
     termination  (including,  the  indebtedness  of the  Corporation  to Jeremy
     Posner which was assigned by Jeremy Posner to Vianet, which indebtedness is
     evidenced by a Promissory  Note issued by the  Corporation to Jeremy Posner
     in the principal amount of US$530,000 and dated December 12, 1997); or

          (e)  Vianet  does  not  make  the  Priority  Advance  and  all  of the
     conditions precedent in Section 9 of Schedule B and Sections (i), (j), (k),
     (l),  (q),  (s),  (t) and (u) of Schedule C (as they relate to the Priority
     Advance and as of the date of the Priority Advance) have been satisfied.

     7.3  Notice  of  Termination.  If any  Party  proposes  to  terminate  this
Agreement  pursuant to Sections 7.1(c), in the case of Vianet, or 7.2(c), in the
case of the  Corporation,  it shall  provide five days prior notice to the other
Party of its intention to do so, so as to permit that Party the  opportunity  to
provide  reasonable  satisfaction  to such  Party that the  specified  condition
precedent can be satisfied.

     7.4 Obligations upon  Termination.  In the event of the termination of this
Agreement  hereunder,  this  Agreement,  except  for  Section 8 and the  payment
obligations  in Section 6, shall become void and of no further  force and effect
and  there  shall be no  liability  on the  part of any  Party  hereto  or their
respective  officers and directors,  except to the extent that any such Party is
in default of any of its obligations hereunder.

8.        Confidentiality and Public Disclosure

     8.1 Confidential  Information.  Except as required by this Agreement or the
Legislation,  this  Agreement  shall be kept strictly  confidential  and none of
Vianet or the Corporation  shall make any public  announcement or statement with
respect to this Agreement or the Arrangement  without the approval of each other
Party, which approval:

          (a) shall not be unreasonably withheld;

          (b) may be oral; and

          (c) may be given on behalf of a Party by its counsel.

         The Parties  shall  consult with the other as to the timing and wording
of press releases or other  disclosure  required by the Legislation  relating to
the Arrangement. Notwithstanding the foregoing, the Parties shall be entitled to
describe this Agreement and provide copies thereof to Agencies, their respective
boards of directors,  entities whose  approvals are required in connection  with
the matters contemplated hereby and to those employees, bankers and professional
advisors that need to know details about this Agreement in order for the Parties
to perform their covenants or satisfy the conditions set out in this Agreement.

     8.2  Idem.  Each  of  the  Parties  shall  (and  shall  cause  each  of its
Representatives (as defined below) to) hold in strictest  confidence and not use
in any manner,  other than as  expressly  contemplated  by this  Agreement,  any
Confidential Information (as defined below).

         For the purposes of this Section 8.2:

          (a)  "Confidential   Information"  at  any  time  means  any  and  all
     confidential  information  disclosed by one Party or its Representatives to
     the other in connection herewith but not including any information that has
     become  generally  available  to the  public  other  than as a result  of a
     disclosure by the recipient or any of its  Representatives in contravention
     hereof.



<PAGE>
          (b)  "Representatives"  means in respect of each of the  Parties,  its
     affiliates and their respective directors,  officers, employees, agents and
     other representatives and advisers.

9.        General Provisions

     9.1 Assignment by Vianet.  This Agreement shall enure to the benefit of and
be binding on the Parties  and their  respective  successors  and  assigns.  The
Corporation  acknowledges and agrees that (a) prior to the Arrangement  becoming
effective,  Vianet  Delaware  may  amalgamate,  merge or enter  into a  business
combination  or  arrangement  with  another  corporation  (the  "Pre-arrangement
Transaction"), which corporation is "public corporation" in the United States of
America or Canada and (b) such other  corporation  may be a successor  to Vianet
and its rights and obligations and representations  and warranties  hereunder or
such other corporation may assume Vianet's  obligations and  representations and
warranties  hereunder  and be the  assignee  of  Vianet's  rights  and  benefits
hereunder. In the event a Pre-arrangement Transaction is effected and such other
corporation  is not a successor to Vianet by operation of law as a result of the
Pre-arrangement  Transaction,  all references  herein to Vianet shall be read as
references  to such  other  corporation  and  Vianet  shall  have no  rights  or
obligations or  representations  and warranties  hereunder  whatsoever  upon the
Pre-arrangement Transaction being effected; provided Vianet has provided written
notice to the Corporation  regarding such substitution of such other corporation
for   Vianet.   Vianet  may  also   assign  its  rights  and   obligations   and
representations  and warranties  under this Agreement to one or more affiliates.
This Agreement shall not otherwise be assignable by any Party.

     9.2 Binding Effect. This Agreement shall be binding upon and shall enure to
the benefit of and be enforceable by the Parties and their respective successors
and permitted assigns.

     9.3 Expenses.  Except as otherwise  expressly  provided in this  Agreement,
each Party to this Agreement  shall pay its own expenses  incurred in connection
with this Agreement and the completion of the transactions  contemplated hereby.
For greater  certainty,  the  Corporation  may be  obligated to pay the fees and
expenses of an  independent  financial  advisor in  connection  herewith and the
Independent  Legal Advisor in connection  with the  Arrangement,  which fees and
expenses are not expected to exceed $50,000 in the aggregate.

     9.4 Time.  Time shall be of the essence of this Agreement in each and every
matter or thing herein provided.

     9.5 Non-Merger.  Except where otherwise indicated,  the covenants contained
in this  Agreement  shall  survive its execution and delivery and the closing of
the  transactions  contemplated  herein and the  representations  and warranties
contained  herein  shall  survive for a period of three years from  February 12,
1999 except for the representations and warranties which relate to incorporation
of a  Person,  due  authorization  of  this  Agreement,  the  enforceability  of
obligations  under  this  Agreement,  title  matters  or  intellectual  property
matters,  which will survive  indefinitely.  No investigation by or on behalf of
any Party shall mitigate,  diminish or affect the representations and warranties
made by any other Party.

     9.6 Notices.

          (1) Each Party shall give prompt notice to the other of:

               (a) the  occurrence  or  failure  to  occur of any  event,  which
          occurrence or failure causes, or could reasonably be expected to cause
          any representation or warranty on its part contained in this Agreement
          to be untrue or  inaccurate  in any respect at any time from  February
          12, 1999 to the Effective Date; and

               (b) any failure of such party, or any officer, director, employee
          or agent thereof to comply with or satisfy any covenant,  condition or
          agreement to be complied with or satisfied by it under this Agreement.

<PAGE>
          (2) Vianet  agrees that any notice given by it to  Securityholders  or
     holders of  Convertible  Debentures  pursuant to or in connection  with the
     Arrangement  shall  concurrently  be  provided to the  Corporation  and its
     counsel.

          (3) Any notice or other  communication  required  or  permitted  to be
     given hereunder  shall be  sufficiently  given if delivered in person or if
     sent by facsimile transmission (provided such transmission is confirmed):

               (a) in the case of Vianet, to the following address:

Vianet Technologies, Inc.
83 Mercer Street
New York, NY 10012
Facsimile No.: (212) 966-1735
Attention: Messrs. Peter Leighton and Jeremy Posner

with a copy to

Chaiton & Chaiton
185 Sheppard Avenue West
Toronto, Ontario
M2N 1M9
Facsimile No.: (416) 218-1838
Attention: Harvey Tanzer

               (b) in the case of the Corporation, to the following address:

Develcon Electronics Ltd.
18 Dyas Road
Toronto, Ontario
M3B 1V5
Facsimile No.: (416) 385-1592
Attention: Geoffrey H. Bennett

with a copy to

Lawson Lundell Lawson & McIntosh
1600-925 West Georgia Street
Vancouver, British Columbia
V6C 3L2
Facsimile No.: (604) 669-1620
Attention: Jerrold W. Schramm

or  at  such  other  address  as  the  Party  to  which  such  notice  or  other
communication  is to be given has last notified the party giving the same in the
manner  provided  in this  Section,  and if so given the same shall be deemed to
have been received on the date of such delivery or sending.

     9.7  Governing  Law. 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  (excluding  any conflict of laws,  rule or principle  which
might refer such construction to the laws of another  jurisdiction).  Each party
hereto  irrevocably  submits to the non-exclusive  jurisdiction of the courts of
Ontario with respect to any matter arising hereunder or related hereto.

     9.8 Injunctive  Relief. The Parties hereto agree that the remedy at law for
any breach of the  provisions of this  Agreement will be inadequate and that the
Party that is not in breach, on any application to a court, shall be entitled to
temporary and permanent  relief,  specific  performance  and any other equitable
relief against the other Party.

     9.9 Currency.  Except as expressly indicated  otherwise,  all sums of money
referred to in this  Agreement  are  expressed  and shall be payable in Canadian
dollars. All payments shall be in immediately available funds.



<PAGE>
     9.10 Definitions.  For the purposes of this Agreement,  those terms defined
in Schedule A shall have the meanings attributed to them in that Schedule.

     9.11  Severability.  Any provision of this Agreement which is prohibited or
unenforceable in any jurisdiction shall, as to that jurisdiction, be ineffective
to the extent of such prohibition or unenforceability  and shall be severed from
the balance of this Agreement, all without affecting the remaining provisions of
this Agreement or affecting the validity or  enforceability of such provision in
any other jurisdiction.

     9.12 Entire  Agreement.  The Schedules hereto form an integral part of this
Agreement.  This Agreement constitutes the entire obligation of the Parties with
respect to the subject matter hereof and shall supersede any prior expression of
interest or  understandings  with respect to the subject matter hereof and shall
supersede any prior expression of interest or understandings with respect to the
transactions  contemplated  hereby. For greater  certainty,  none of the Parties
makes any  representation or warranty,  express or implied,  except as set forth
herein. This Agreement may be amended only by an instrument in writing signed by
the Parties.

     9.13  Further  Assurances.  Each of the Parties  shall do, and Vianet shall
cause Subco to do and the  Corporation  shall cause its  Subsidiaries to do, all
acts  and  things  (including,   executing  appropriate   documents)  reasonably
necessary  to  give  full  effect  to  the  transactions  contemplated  in  this
Agreement.

     9.14  Counterparts.   This  Agreement  may  be  signed  in  any  number  of
counterparts.


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

VIANET TECHNOLOGIES, INC.


/s/ Jeremy Posner

By: (Signed) JEREMY POSNER


DEVELCON ELECTRONICS LTD.


/s/ Geoffrey H. Bennett

By: (Signed) GEOFFREY H. BENNETT





<PAGE>
                                   SCHEDULE B
                                PRIORITY ADVANCE

         Vianet will advance to the Corporation the sum of  Cdn.$1,500,000  (the
"Loan") on the following terms and conditions:

     1. Lender: Vianet Technologies Inc., New York, New York

     2. Borrower: Develcon Electronics Ltd.

     3.  Instrument:  Promissory  Note issued  pursuant to a loan  agreement and
secured by a General Security Agreement

     4. Priority: Prior to the Arrangement becoming effective the Loan will rank
in priority to all other secured indebtedness of the Corporation, other than the
existing  indebtedness of the Corporation which is secured by a charge against a
non-material  portion of the assets of the Corporation and the operating line of
credit  provided to the  Corporation  by the Royal Bank of Canada in the maximum
amount of Cdn.$500,000. Following the Arrangement becoming effective, unless and
until Vianet enters into such transactions or arrangements  pursuant to which it
will receive equity from Amalco equal to all amounts outstanding under all loans
from Vianet to the  Corporation  (including  interest  thereon),  the loans from
Vianet to the  Corporation  (including  interest  thereon) will be postponed and
subordinated  to the  existing  loans from each of EMAC  Limited  and Royal Bank
Capital Corporation to the Corporation.

     5. Term:  The  outstanding  principal  together with all accrued and unpaid
interest  thereon and any other costs or expenses in relation  thereto  shall be
due and payable on the earlier of (i) five (5) years from the date of advance or
(ii)  repayment to Royal Bank Capital  Corporation  of its loan of $1,500,000 to
the  Corporation  dated November 2, 1995 or (iii) the occurrence of an "Event of
Default", as defined in the above-noted loan agreement, which shall include:

          (a)  termination of this Agreement by either Vianet or the Corporation
     in accordance with Section 7.1 or 7.2 hereof, respectively;

          (b) failure to pay when due, whether by acceleration or otherwise, any
     and all amounts owing under the above-noted loan agreement; and

          (c) a demand  for  repayment  by a secured  creditor  as a result of a
     default of an obligation to that secured creditor.

     6.  Interest:  The prime rate of  interest of Royal Bank of Canada plus two
(2) per cent per annum, compounded quarterly, interest payable quarterly.

     7. In the event that,  within the term of the Loan and before completion of
the Arrangement,  the Corporation  consummates any  transactions  relating to an
Acquisition  Proposal,  the full amount of the  principal  and the interest then
outstanding will be immediately payable.

         The Loan is subject to due diligence  review,  but is intended to close
as soon as possible  with a target date of not later than five (5) days from the
date of this Agreement.

         Conditions Precedent:

         Conditions precedent to making the Loan shall include:

          (a) all secured creditors of the Corporation, other than Royal Bank of
     Canada and entities  holding charges against  non-material  portions of the
     assets of the  Corporation  agreeing in writing that  Vianet's  security in
     respect of the Loan shall  rank in  advance of their  secured  indebtedness
     from the Corporation;

          (b) the execution and delivery of the agreements described in Sections
     4.1(v) and (w) of this  Agreement  within five (5) days of the date of this
     Agreement;



<PAGE>
          (c) the  Corporation  and Vianet  entering  into a loan  agreement  in
     respect of the Loan;

          (d) the  rescheduling of the payment terms of the secured loan made by
     Neil Jamieson to the  Corporation  evidenced by a promissory note issued by
     the  Corporation  in favor of Neil  Jamieson  in the  principal  amount  of
     Cdn.$750,000 dated December 2, 1997; and

          (e)  all of the  documents  and  instruments  to be  entered  into  in
     connection  with the Loan and in connection  with those  matters  described
     above  shall  be in form  and  substance  satisfactory  to  Vianet,  acting
     reasonably.



<PAGE>
                                   SCHEDULE C
                      CONDITIONS FOR THE BENEFIT OF VIANET

     The obligations of Vianet to complete the  Arrangement  shall be subject to
the  fulfilment by the  Corporation,  or the waiver by Vianet,  of the following
conditions,  each of which is for the  exclusive  benefit  of Vianet  and may be
waived  by  Vianet  at any  time,  in whole or in part,  in its sole  discretion
without  prejudice  to any  other  rights  that  it  may  have:

          (a) a plan of arrangement reflecting the material terms of the Plan of
     Arrangement,  in form and substance satisfactory to the Parties, shall have
     been agreed to by the Parties prior to the Interim Order being granted;

          (b) if Vianet so desires, the Plan of Arrangement in the form attached
     hereto as Schedule H shall have been  amended in a manner  satisfactory  to
     Vianet,  acting  reasonably,  including,  to provide  for the  exchange  or
     conversion  of  securities   held  by  Convertible   Debentureholders   and
     Securityholders  to  securities  of a kind  and  quantity  provided  for in
     Section 3.1 of the Plan of  Arrangement  in an  alternative  manner to that
     described   therein  or  to  take  into   consideration  a  Pre-Arrangement
     Transaction;

          (c) the Interim  Order shall have been  granted in form and  substance
     satisfactory to each of the Parties, acting reasonably,  on or before April
     15,  1999  and  shall  have not been  set  aside  or  modified  in a manner
     unacceptable to such Parties on appeal or otherwise;

          (d)  resolutions,  in each case in form and substance  satisfactory to
     each  of  the  Parties,   acting  reasonably,   have  been  passed  by  the
     Securityholders  at the Special  Meeting,  on or before May 11, 1999,  duly
     approving the Arrangement in accordance with the Interim Order;

          (e)  resolutions,  in form and substance  satisfactory  to each of the
     Parties,  acting  reasonably,  shall  have been  passed by the  Convertible
     Debentureholders  at the  Debentureholders  Special  Meeting (or by written
     resolution),  on or before May 11, 1999,  duly approving the Arrangement in
     accordance with the Interim Order;

          (f) the Final  Order  shall have been  granted  in form and  substance
     satisfactory to each of the Parties,  acting  reasonably,  on or before May
     19,  1999  and  shall  have not been  set  aside  or  modified  in a manner
     unacceptable to such Parties on appeal or otherwise;

          (g) the Articles of Arrangement  relating to the Arrangement  shall be
     in  form  and  substance  satisfactory  to  each  of  the  Parties,  acting
     reasonably;

          (h) the Arrangement shall become effective on or before May 21, 1999;

          (i) the board of directors  of the  Corporation  shall have made,  and
     shall not have  modified  or  amended  or  withdrawn,  in any  respect,  an
     affirmative   recommendation   in  the   Information   Circular   that  the
     Securityholders and Convertible Debentureholders approve the Arrangement;

          (j) holders of not more than 2% of the issued and  outstanding  Common
     Shares (after the conversion of the Convertible  Debentures as contemplated
     by  Section  3.1(a)  of the Plan or  Arrangement)  and no other  holder  of
     securities of the  Corporation  shall have  exercised  rights of dissent in
     relation to the Plan of Arrangement and the Corporation shall have provided
     to Vianet the certificates of two officers of the Corporation certifying on
     the  Effective  Date the number of Common  Shares in  respect of which,  to
     their  knowledge,  the holders have exercised their rights of dissent;

          (k) there  shall not exist any  prohibition  at law against any of the
     Corporation, Subco or Vianet consummating the Arrangement;

          (l) all  necessary  corporate  action  shall  have  been  taken by the
     Corporation  to authorize the execution and delivery of this  Agreement and
     the consummation of the Priority Advance and the Arrangement;



<PAGE>
          (m) the  agreements  described  in  Sections  4.1(v) and (w) have been
     executed and delivered by all parties;

          (n) all consents, orders, approvals and authorizations (including, all
     Agency  approvals)  that are necessary or desirable in connection  with the
     Arrangement  and  Priority  Advance  shall  have  been  obtained  on  terms
     satisfactory to Vianet;

          (o) the Corporation  shall have performed in all material respects the
     obligations  to be  performed  by it under this  Agreement on or before the
     Effective Date;

          (p) the representations and warranties of the Corporation set forth in
     this  Agreement  shall be true and correct in all respects on and as of the
     Effective  Date (as if made on and as of that date)  except as  affected by
     transactions  contemplated or permitted by this Agreement and except to the
     extent that any such  representation  or warranty is made as of a specified
     date, in which case such  representation  or warranty  shall have been true
     and correct as of such date;

          (q) no judgment  or order  shall have been  issued by any  Agency,  no
     action,  suit or  proceeding  shall  have  been  threatened  or taken or be
     outstanding  before or by any Agency or Person in Canada or elsewhere,  and
     no law,  regulation  or  policy  shall  have  been  proposed,  enacted,  or
     promulgated or applied,

               (i) which  could  reasonably  be  expected  to have the effect to
          cease  trade,  enjoin,  prohibit  or impose  material  limitations  or
          conditions on the completion of the Arrangement, or

               (ii) that, if the Arrangement were completed, could reasonably be
          expected to be Materially Adverse to either Vianet, the Corporation or
          its Subsidiaries or Amalco;

          (r) Vianet shall have  received a legal  opinion from legal counsel to
     the Corporation,  in form and substance  acceptable to Vianet and its legal
     counsel, acting reasonably;

          (s)  all  documents  to  be  entered  into  in  connection   with  the
     Transactions shall be in form and substance  satisfactory to Vianet, acting
     reasonably;

          (t) Vianet shall have conducted and completed its investigation of the
     Corporation and its Subsidiaries,  their respective  businesses and assets,
     and  Vianet,  in its sole  discretion,  shall  have been  satisfied  in all
     respects  with  the  results  of such  investigation  and  shall  not  have
     determined,  acting reasonably, not to proceed with the Transactions on the
     basis of such investigation;

          (u)  there  shall  not  have  been  any  change,  condition,  event or
     occurrence  that,  individually  or in the  aggregate,  has been,  or could
     reasonably be expected to be, Materially  Adverse to the Corporation or its
     Subsidiaries (including any decision to implement such a change made by the
     board of directors of the Corporation or any of its  Subsidiaries or senior
     management of the Corporation or any of its  Subsidiaries  who believe that
     confirmation  of the decision by the board of directors of the  Corporation
     is probable);

          (v)  there  shall  not  have  been  any  change,  condition,  event or
     occurrence  beyond the control of Vianet or Subco that,  individually or in
     the aggregate,  has been, or could reasonably be expected to be, Materially
     Adverse to Vianet or Subco;

          (w) there shall not have  occurred,  developed  or come into effect or
     existence any event,  action,  state,  condition or financial occurrence of
     national  or  international  consequence  or any law,  regulation,  action,
     government regulation, inquiry or other occurrence of any nature whatsoever
     that is or could  reasonably  be expected to be  Materially  Adverse to the
     financial,  banking or capital  markets  conditions in Canada or the United
     States generally, or the financial condition, business, operations, assets,
     affairs or prospects of Vianet, Subco, the Corporation and its Subsidiaries
     or Amalco (subsequent to completion of the Arrangement);

<PAGE>
          (x) the  Information  Circular shall contain a  recommendation  of the
     board of directors of the Corporation that the holders of Common Shares and
     Existing Options approve at the Special Meeting the Arrangement;  and, that
     the holders of the  Convertible  Debentures  approve the Arrangement at the
     Debentureholders Special Meeting (or by written resolutions);

          (y) subject to obtaining  such  rulings,  consents and  approvals  and
     making such  filings and payments as may be  necessary  or  desirable,  the
     issuance  by  Vianet  of  common  shares  to the then  shareholders  of the
     Corporation in connection  with the  Arrangement and the issuance by Vianet
     of common shares pursuant to the exercise on or after the Effective Date of
     options or warrants issued to holders of Existing  Options  pursuant to the
     Arrangement shall be exempt from  registration and prospectus  requirements
     in those provinces of Canada in which holders thereof reside at the time of
     the  Arrangement  and,  subject to  obtaining  such  rulings,  consents and
     approvals  and making such  filings and  payments  as may be  necessary  or
     desirable,  the first  trade of the shares of Vianet  received  by any such
     holder will not be subject to any statutory  hold period under the Canadian
     provincial  securities  legislation where such holder resides provided that
     the first trade by such holder is made in compliance with the provisions of
     such securities legislation, that such holder is not a "control person" and
     that no unusual  effort is made to prepare  the market for any such sale or
     create a demand for such  securities  and no  extraordinary  commission  or
     consideration is paid in respect thereof;

          (z) the issue of common shares of Vianet  pursuant to the  Arrangement
     is exempt  from the  registration  requirements  of Section 5 of the (U.S.)
     Securities  Act of 1933 and the issuance of common  shares by Vianet on the
     exercise  of options or warrants  received  upon the  Arrangement  becoming
     effective  by the  holders  of  Existing  Options  will be exempt  from the
     registration requirements of Section 5 of the (U.S.) Securities Act of 1933
     or included in an effective registration statement unless in the reasonable
     opinion  of  Vianet,  acting  in good  faith,  it is  unlikely  that such a
     registration statement would be made effective;

          (aa)  any  required   approvals  or  exemption  orders  of  securities
     administrators   (including,   state,   provincial  or  federal  and  stock
     exchanges) shall have been obtained;

          (ab) there shall have been  authorized for quotation on the Nasdaq OTC
     Bulletin  Board,  at least  14 days  prior to the  Arrangement  subject  to
     official notice of issuance and other normal  conditions,  the common stock
     of Vianet;

          (ac) all outstanding employment arrangements with Geoffrey H. Bennett,
     Fran Sanda, R. Bruce Brydon,  Michael Galca and Douglas Lindner shall be on
     terms satisfactory to Vianet; and

          (ad) to the extent that a "fairness opinion" is necessary or advisable
     in  connection  with  the  Arrangement,  the  board  of  directors  of  the
     Corporation  shall have  received a "fairness  opinion"  advising  that the
     relevant aspects of the Arrangement are fair from a financial point of view
     to the Securityholders and the holders of the Convertible Debentures.



<PAGE>
                                   SCHEDULE D
                  CONDITIONS FOR THE BENEFIT OF THE CORPORATION

         The obligations of the Corporation to complete the Arrangement shall be
subject to the fulfilment by Vianet,  or the waiver by the  Corporation,  of the
following  conditions,  each  of  which  is for  the  exclusive  benefit  of the
Corporation  and may be waived by the  Corporation  at any time,  in whole or in
part, in its sole discretion  without  prejudice to any other rights that it may
have:

          (a) a plan of arrangement reflecting the material terms of the Plan of
     Arrangement,  in form and substance satisfactory to the Parties, shall have
     been agreed to by the Parties prior to the Interim Order being granted;

          (b) the Interim  Order shall have been  granted in form and  substance
     satisfactory to each of the Parties, acting reasonably,  on or before April
     15,  1999  and  shall  have not been  set  aside  or  modified  in a manner
     unacceptable to such Parties on appeal or otherwise;

          (c)  resolutions,  in each case in form and substance  satisfactory to
     each of the  Parties,  acting  reasonably,  shall  have been  passed by the
     Securityholders  at the Special  Meeting,  on or before May 11, 1999,  duly
     approving the Arrangement in accordance with the Interim Order;

          (d)  resolutions,  in each case in form and substance  satisfactory to
     each of the  Parties,  acting  reasonably,  shall  have been  passed by the
     Convertible Debentureholders at the Debentureholders Special Meeting (or by
     written  resolution),  on or  before  May  11,  1999,  duly  approving  the
     Arrangement in accordance with the Interim Order;

          (e) the Final  Order  shall have been  granted  in form and  substance
     satisfactory to each of the Parties,  acting  reasonably,  on or before May
     19,  1999  and  shall  have not been  set  aside  or  modified  in a manner
     unacceptable to such Parties on appeal or otherwise;

          (f) the Articles of Arrangement  relating to the Arrangement  shall be
     in  form  and  substance  satisfactory  to  each  of  the  Parties,  acting
     reasonably;

          (g) the Arrangement shall become effective on or before May 21, 1999;

          (h) there  shall not exist any  prohibition  at law against any of the
     Corporation, Subco or Vianet consummating the Arrangement;

          (i) all necessary  corporate action shall have been taken by Vianet to
     authorize the execution and delivery of this Agreement and the consummation
     of the Priority Advance and the Arrangement;

          (j) all consents, orders, approvals and authorizations (including, all
     Agency  approvals)  that are  necessary  or  desirable  to be  obtained  in
     connection with the Arrangement  and Priority  Arrangement  shall have been
     obtained;

          (k)  Vianet  shall  have  performed  in  all  material   respects  the
     obligations  to be  performed  by it under this  Agreement on or before the
     Effective Date;

          (l) the  representations  and  warranties  of Vianet set forth in this
     Agreement  shall  be true  and  correct  in all  respects  on and as of the
     Effective  Date (as if made on and as of such date)  except as  affected by
     the transactions  contemplated or permitted by this Agreement and except to
     the  extent  that  any  such  representation  or  warranty  is made as of a
     specified  date, in which case such  representation  or warranty shall have
     been true and correct as of such date;

<PAGE>
          (m) no judgment  or order  shall have been  issued by any  Agency,  no
     action,  suit,  or  proceeding  shall have been  threatened  or taken or be
     outstanding  before or by any Agency or Person in Canada or elsewhere,  and
     no law,  regulation  or  policy  shall  have  been  proposed,  enacted,  or
     promulgated or applied,

               (i) which  could  reasonably  be  expected  to have the effect to
          cease  trade,  enjoin,  prohibit  or impose  material  limitations  or
          conditions on the completion of the Arrangement, or

               (ii) that, if the Arrangement were completed, could reasonably be
          expected  to be  Materially  Adverse  to  either  Vianet,  Subco,  the
          Corporation or its Subsidiaries;

          (n) the  Corporation  shall have  received a legal  opinion from legal
     counsel to Vianet, in form and substance  acceptable to the Corporation and
     its legal  counsel,  acting  reasonably  to the effect  that,  among  other
     things, the issuance by Vianet of common shares to the then shareholders of
     the  Corporation  in connection  with the  Arrangement  and the issuance by
     Vianet of common  shares  pursuant  to the  exercise of options or warrants
     issued to holders of Existing Options pursuant to the Arrangement is exempt
     from the  registration  and  prospectus  requirements  of the  Province  of
     Ontario;

          (o)  there  shall  not  have  been  any  change,  condition,  event or
     occurrence  that,  individually  or in the  aggregate,  has been,  or could
     reasonably  be  expected  to be,  Materially  Adverse  to  Vianet  or Subco
     (including  any  decision to  implement  such a change made by the board of
     directors  of Vianet or Subco or senior  management  of Vianet or Subco who
     believe  that  confirmation  of the  decision by the board of  directors of
     Vianet or Subco is probable);

          (p) there shall not have  occurred,  developed  or come into effect or
     existence any event,  action,  state,  condition or financial occurrence of
     national  or  international  consequence  or any law,  regulation,  action,
     government regulation, inquiry or other occurrence of any nature whatsoever
     that is or could  reasonably  be expected to be  Materially  Adverse to the
     financial,  banking or capital  markets  conditions in Canada or the United
     States generally, or the financial condition, business, operations, assets,
     affairs  or  prospects  of  Vianet,  Subco  or  Amalco  (subsequent  to the
     completion of the Arrangement);

          (q) the issue of common shares of Vianet  pursuant to the  Arrangement
     is exempt  from the  registration  requirements  of Section 5 of the (U.S.)
     Securities  Act of 1933 and the issuance of common  shares by Vianet on the
     exercise  of options or warrants  received  upon the  Arrangement  becoming
     effective  by the  holders  of  Existing  Options  will be exempt  from the
     registration requirements of Section 5 of the (U.S.) Securities Act of 1933
     or included in an effective registration statement;

          (r) the Transactions,  as proposed or with any amendment acceptable to
     the Corporation,  shall have been approved by the board of directors of the
     Corporation;

          (s) there shall have been  authorized  for quotation on the Nasdaq OTC
     Bulletin Board,  at least 14 days prior to the Arrangement  subject only to
     official notice of issuance and other normal  conditions,  the common stock
     of Vianet;

          (t) to the extent that a "fairness  opinion" is necessary or advisable
     in  connection  with  the  Arrangement,  the  board  of  directors  of  the
     Corporation  shall have  received a "fairness  opinion"  advising  that the
     relevant aspects of the Arrangement are fair from a financial point of view
     to  the   Securityholders  of  the  Corporation  and  the  holders  of  the
     Convertible Debentures;

          (u) all  agreements  to be entered into in order to give effect to the
     Arrangement which are not contemplated herein (being agreements other than:
     the  agreements in connection  with the Priority  Advance) shall be in form
     and substance satisfactory to the Corporation, acting reasonably;

<PAGE>
          (v)  any  required   approvals  or  exemption   orders  of  securities
     administrators   (including,   state,   provincial  or  federal  and  stock
     exchanges) shall have been obtained;

          (w) subject to obtaining  such  rulings,  consents and  approvals  and
     making such  filings and payments as may be  necessary  or  desirable,  the
     issuance  by  Vianet  of  common  shares  to the then  shareholders  of the
     Corporation in connection  with the  Arrangement and the issuance by Vianet
     of common shares pursuant to the exercise on or after the Effective Date of
     options or warrants issued to holders of Existing  Options  pursuant to the
     Arrangement shall be exempt from  registration and prospectus  requirements
     in those provinces of Canada in which holders thereof reside at the time of
     the  Arrangement  and,  subject to  obtaining  such  rulings,  consents and
     approvals  and making such  filings and  payments  as may be  necessary  or
     desirable,  the first  trade of the shares of Vianet  received  by any such
     holder will not be subject to any statutory  hold period under the Canadian
     provincial  securities  legislation where such holder resides provided that
     the first trade by such holder is made in compliance with the provisions of
     such securities  legislation,  that such,  holder is not a "control person"
     and that no unusual  effort is made to prepare the market for any such sale
     or create a demand for such securities and no  extraordinary  commission or
     consideration is paid in respect thereof;

          (x) on or prior to the Arrangement, a current director of the board of
     directors  of the  Corporation  shall be  elected  to serve on the board of
     directors of Vianet for a period of not less than one year;

          (y) as soon as  practicable  following the  Arrangement,  Vianet shall
     file  with  the  U.S.  Securities  and  Exchange  Commission   registration
     statements  relating to the common shares of Vianet (i) issued  pursuant to
     the  Arrangement  (to the extent  necessary or desirable) and (ii) issuable
     upon exercise of the options and warrants  issued by Vianet pursuant to the
     Arrangement  to  holders  of  Existing  Options,  unless in the  reasonable
     opinion  of  Vianet,  acting  in good  faith,  it is  unlikely  that such a
     registration  statement  would  be made  effective  and  Vianet  shall  use
     commercially   reasonable  efforts  to  make  such  registration  statement
     effective as soon as  practicable  after the filing  thereof  unless in the
     reasonable  opinion of Vianet,  acting in good faith,  it is unlikely  that
     such a registration statement would be made effective;

          (z) provided that a registration statement has not been filed pursuant
     to Section 4.1(y),  the first  registration  statement filed by Vianet with
     the U.S. Securities and Exchange  Commission  following the Arrangement (in
     addition to possibly  relating to other  securities of Vianet) shall relate
     to the common shares of Vianet (i) issued  pursuant to the  Arrangement (to
     the extent  necessary or desirable)  and (ii) issuable upon exercise of the
     options  and  warrants  issued by Vianet  pursuant  to the  Arrangement  to
     holders of Existing  Options and Vianet shall use  commercially  reasonable
     efforts to make such  registration  statement  effective in respect of such
     common shares of Vianet unless in the reasonable opinion of Vianet,  acting
     in good faith,  it is unlikely that such a registration  statement would be
     made effective and;

          (aa)  Vianet  will use  commercially  reasonable  efforts  to have its
     common  shares  authorized  for quotation on The Nasdaq Small Cap Market as
     soon as practicable following the Arrangement;

          (ab) in the  event a  Pre-arrangement  Transaction  is  effected,  the
     shareholders of the "public"  corporation entering into the Pre-arrangement
     Transaction  with  Develcon  will not be the majority  shareholders  in the
     "public" corporation following the Pre-arrangement Transaction.



<PAGE>
                                   SCHEDULE E
                REPRESENTATIONS AND WARRANTIES OF THE CORPORATION

          (a)  Organization  and  Qualification.  The  Corporation has been duly
     continued under the CBCA, is validly  existing and has full corporate power
     and  authority to own its property and conduct its  businesses as presently
     owned and conducted.

          (b)   Capitalization.   The  authorized  and  issued  capital  of  the
     Corporation  consists of an unlimited number of common shares and 5,555,510
     Preferred  Shares,  of which only  45,086,104  Common Shares are issued and
     outstanding as fully paid and  non-assessable.  Except for the  Convertible
     Debentures and Convertible  Note and the Existing  Options (the particulars
     of which are set out in Schedule I and as contemplated  hereby),  there are
     no  options,  warrants,  conversion  privileges,  calls  or  other  rights,
     agreements, arrangements,  commitments or obligations of the Corporation to
     issue  or  sell  any  securities  of  the   Corporation  or  securities  or
     obligations of any kind convertible into or exchangeable for any securities
     of the Corporation or any other Person, nor are there outstanding any stock
     appreciation  rights,   phantom  equity  or  similar  rights,   agreements,
     arrangements or commitments based upon the book value,  income or any other
     attribute of the Corporation.

          (c) Subsidiaries. Each of the Subsidiaries of the Corporation has been
     duly  incorporated  under  applicable law, is validly existing and has full
     corporate or legal power and  authority to own its property and conduct its
     businesses as presently owned and conducted.  All of the outstanding shares
     of the capital stock and other ownership  interests of the Subsidiaries are
     owned  by  the  Corporation   and  are  validly  issued,   fully  paid  and
     non-assessable  and are  owned  free  and  clear of all  material  liens or
     encumbrances  other than as  disclosed  to Vianet in writing.  There are no
     options,  warrants,  conversion  privileges  or other  rights,  agreements,
     arrangements  or  commitments  obligating  the  Corporation  or  any of its
     Subsidiaries  to issue or sell any securities of any of those  Subsidiaries
     or securities or obligations of any kind  convertible  into or exchangeable
     for securities or other ownership interests of any of those Subsidiaries or
     any other  Person.  There are no  outstanding  stock  appreciation  rights,
     equity or similar rights, agreements,  arrangements or commitments based on
     the book value, income or any other attribute of any of the Subsidiaries of
     the Corporation.

          (d) Authority  Relative to this  Agreement.  The  Corporation  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 the  Corporation  have been duly  authorized  by the board of
     directors of the Corporation and other corporate proceedings on the part of
     the  Corporation  are  necessary to authorize the execution and delivery of
     this Agreement,  except as may be required by the Interim Order, any Agency
     or the Legislation.  This Agreement has been duly executed and delivered by
     the Corporation and  constitutes a legal,  valid and binding  obligation of
     the   Corporation,   enforceable  by  Vianet  against  the  Corporation  in
     accordance  with  its  terms  except  as  may  be  limited  by  bankruptcy,
     reorganization,  insolvency  and laws affecting the rights of creditors and
     others and to the extent that equitable  remedies are only available in the
     discretion  of the court from  which they are  sought.  The  execution  and
     delivery by the  Corporation of this Agreement and performance by it of its
     obligations hereunder will not result in:

               (i) a  material  violation  or  breach  of  any  provision  of or
          constitute  a material  default (or an event that with notice or lapse
          of time or both would become a material default) under,

                    (A) its certificate or articles of  incorporation or by-laws
               or those of any of its Subsidiaries,

                    (B) any applicable law or, to its knowledge, any regulation,
               order,  judgment or decree  (subject to  obtaining  the  consents
               referred to below), or

<PAGE>
                    (C) any agreement,  arrangement or understanding to which it
               or any of its  Subsidiaries is a party or by which any of them or
               their  properties  is bound or  affected  (subject  to  obtaining
               necessary consents and approvals of relevant parties thereto),

               (ii) other than as  contemplated  hereby,  the  imposition of any
          encumbrance,  charge or lien upon any of its  assets or the  assets of
          any of its Subsidiaries that, individually or in the aggregate,  could
          reasonably be expected to be Materially  Adverse to the Corporation or
          its Subsidiaries.

Other  than in  connection  with or in  compliance  with the  provisions  of the
Investment  Canada Act (Canada),  the Interim  Order,  the  Legislation  and the
requirements  of The  Toronto  Stock  Exchange,  no  authorization,  consent  or
approval of, or filing with, any Agency is necessary for the consummation by the
Corporation  of  its  obligations   under  this   Agreement,   except  for  such
authorizations,  consents,  approvals and filings as to which the failure by any
party to obtain or make would not, individually or in the aggregate,  prevent or
materially delay the consummation of the Arrangement.

          (e)  Financial  Statements  and  Disclosure  Documents.   The  audited
     financial  statements of the Corporation  prepared on a consolidated basis,
     for and as at the years ended August 31, 1995, 1996, 1997 and 1998 together
     with the interim unaudited  financial  statement of the Corporation for the
     three-month   period  ended  November  30,  1998,  have  been  prepared  in
     accordance with generally accepted accounting  principles as recommended in
     the handbook of the Canadian Institute of Chartered  Accountants applied on
     a consistent basis and fairly present the consolidated  financial  position
     of the Corporation and its  Subsidiaries as at the respective dates thereof
     and the  consolidated  results of their  operations  and  cashflows for the
     periods  indicated therein and are consistent with the books and records of
     the Corporation and its  Subsidiaries.  Each of the annual reports,  annual
     information forms and management  information circulars and other documents
     filed  by  the   Corporation   with  the  Ontario   Securities   Commission
     (collectively, the "Company Reports") are, as of their respective dates, in
     compliance in all material  respects with the Legislation and did not as at
     such  dates  contain  any  "misrepresentation"  within  the  meaning of the
     Securities  Act  (Ontario).  The  Company  Reports  constitute  all  of the
     documents  filed or  required  to be  filed  with  the  Ontario  Securities
     Commission  other than a confirmation  of the mailing to the  Corporation's
     shareholders  of  the  comparative  audited  financial  statements  of  the
     Corporation  for its  financial  years ended August 31, 1998 and 1997 which
     has not been filed with the Ontario Securities Commission or other Canadian
     securities regulatory authorities.  The management information circular and
     such other  documents as may be filed by the  Corporation  with the Ontario
     Securities  Commission in connection with the proposed  Arrangement will be
     as of their respective  dates, in compliance in all material  respects with
     the   Legislation   and   will   not  as  at   such   dates   contain   any
     "misrepresentation"  within the  meaning of the  Securities  Act  (Ontario)
     (provided  that  the   Corporation   makes  no   representation   regarding
     information  to be contained in such  circular  provided by or on behalf of
     Vianet or Subco).  The financial  statements of the  Corporation,  and such
     other documents as may be provided by the Corporation to Vianet to be filed
     by Vianet with the SEC or NASD in connection with the proposed Arrangement,
     will not contain any untrue statement of a material fact or omit to state a
     material fact necessary in order to make the  statements  made, in light of
     the  circumstances  under  which  they  were  made,  not  misleading.   The
     Corporation  is  in  material   compliance   with  all  timely   disclosure
     obligations  applicable to it under the Legislation other than as described
     above.  Each  of the  consolidated  total  assets  of the  Corporation  and
     consolidated  annual  net  sales  of  the  Corporation  as  set  out in the
     Corporation's  audited  financial  statements for the year ended August 31,
     1998,  as  determined  in   accordance   with  the   requirements   of  the
     Hart-Scott-Rodino  Antitrust  Improvements Act of 1976, as amended, and the
     regulations promulgated thereunder, is less than US$25,000,000.



<PAGE>
          (f) Absence of Certain Changes or Events. Since April 30, 1998, except
     as has as been  publicly  disclosed  in  documents  filed with the  Ontario
     Securities Commission or disclosed to Vianet in writing:

               (i) except in connection  with the  Arrangement,  the Corporation
          and its Subsidiaries  have conducted their respective  businesses only
          in the ordinary course;

               (ii) the  Corporation and its  Subsidiaries  have not declared or
          made any  distributions  (in cash,  securities  or other  property) to
          securityholders  and have not entered into any agreement,  disposed of
          any of  their  assets  or  incurred  any  indebtedness  which,  either
          individually  or in the aggregate,  is material to the  Corporation or
          its Subsidiaries other than in the ordinary course of business,  other
          than a loan in the amount of U.S.$350,000 from EMAC Limited; and

               (iii)  there  has not  been  any  change,  condition,  event,  or
          occurrence that  individually or in the aggregate,  has been, or could
          reasonably be expected to be, Materially Adverse to the Corporation or
          its  Subsidiaries  (including  any decision to implement such a change
          made  by the  board  of  directors  of the  Corporation  or any of its
          Subsidiaries  or senior  management of the  Corporation  or any of its
          Subsidiaries  who believe  that  confirmation  of the  decision by the
          board of directors of the Corporation is probable).

          (g) Severance and  Employment  Agreements.  There are no severance and
     employment agreements with any individual, except as disclosed to Vianet in
     writing,  providing  for  severance  or  termination  payments  to any such
     individual in excess of $100,000.

          (h) Litigation. Except as disclosed in the financial statements of the
     Corporation  referred to in (e) or except as otherwise  disclosed to Vianet
     in   writing,   there  are  no   claims,   actions,   proceedings,   suits,
     investigations  or reviews  pending or, to the best of the knowledge of the
     Corporation,  threatened in writing  against the  Corporation or any of its
     Subsidiaries  or any of their  properties  before any Agency  that,  either
     individually  or  in  the  aggregate,  if  adversely  determined  would  be
     Materially Adverse to the Corporation or its Subsidiaries.

          (i) No  Material  Adverse  Judgment,  Order  or  Decree.  Neither  the
     Corporation or any of its  Subsidiaries  nor any of their properties is the
     subject of any  judgment,  order or decree that is, or could  reasonably be
     expected to be, Materially Adverse to the Corporation or its Subsidiaries.

          (j) Compliance.  Except for any conflicts, defaults or violations that
     could not, individually or in the aggregate (taking into account the impact
     of any cross-defaults),  reasonably be expected to be Materially Adverse to
     the Corporation or its Subsidiaries,  none of the Corporation or any of its
     Subsidiaries in the operation of their respective businesses is in conflict
     with, or in default (including cross defaults) under or violation of:

               (i)  its  articles  or  by-laws  or   equivalent   organizational
          documents;

               (ii) any law,  rule,  regulation,  order,  permit,  judgement  or
          decree (including those relating to environmental  matters) applicable
          to it,  or by  which  any of its  properties  is  bound  or  affected,
          including the Legislation other than as disclosed in (e) above; or

               (iii) any  agreement,  arrangement or  understanding  of it or by
          which any of its properties is bound or affected,  except as disclosed
          to Vianet.

          (k) Property.  Except as previously  disclosed by the  Corporation  to
     Vianet in writing,  each of the Corporation and its  Subsidiaries  has good
     and  marketable  title  to all of  its  properties  and  assets  (real  and
     personal, tangible and intangible, including leasehold interests) including
     all the properties  and assets  reflected in the balance sheet forming part
     of the financial  statements referred to in (e), except as indicated in the
     notes   thereto,   together  with  all  additions   thereto  and  less  all
     dispositions thereof in the ordinary course of business. In each case, such
     property  is subject to no lien of any kind except  those  liens  expressly
     permitted by the terms of any financing or security  agreement to which the
     Corporation or any of its Subsidiaries is a party or as is reflected in the
     balance sheets forming part of the said financial statements,  except where
     the failure to have such title, individually or in the aggregate, would not
     be Materially Adverse to the Corporation or its Subsidiaries. In each case,
     no such  property  having a fair market value in excess of  Cdn.$50,000  is
     subject  to a lien of any kind  except  in favor of Royal  Bank of  Canada,
     Vianet  or a Person  which  has or will,  prior  to the  completion  of the
     Priority Advance,  have entered into a subordination  agreement with Vianet
     in  connection  with the  Priority  Advance.  All such  property is in good
     condition, reasonable wear and tear excepted.

<PAGE>
          (l) Tax Matters.  Each of the  Corporation  and its  Subsidiaries  has
     correctly prepared and duly and timely filed all tax returns required to be
     filed by it  (except if not yet due),  has paid all Taxes that are  imposed
     under any laws or by any relevant taxing authority that are due and payable
     and has made adequate provision in the financial  statements referred to in
     (e) for the  payment  of all  Taxes not then due and  payable.  Each of the
     Corporation and its Subsidiaries has made adequate and timely  installments
     of the Taxes for the taxation  period ending on or  immediately  before the
     Effective  Date  and  all  tax  returns  filed  by it have  been  duly  and
     accurately  completed as required by  applicable  law.  With respect to any
     taxation  period  up to and  including  the  Effective  Date for  which tax
     returns  have not yet been  filed or for  which  Taxes  are not yet due and
     payable,  each of them  has  only  incurred  liabilities  for  Taxes in the
     ordinary  course of its  business.  All tax returns have been filed through
     and  including  the  financial  year ended  August 31, 1998 and,  except as
     disclosed  in writing to Vianet,  there are no  outstanding  waivers of any
     limitation periods or agreements providing for an extension of time for the
     filing of any tax return or the payment of any Tax. None of the Corporation
     or any of its Subsidiaries is subject to any assessments, levies, penalties
     or interest  with respect to Taxes that will result in any liability on its
     part in  respect of any period  ending on or before the  Effective  Date in
     excess of the amount provided for, and reserved  against,  in the financial
     statements referred to in (e).

          (m) Reporting  Issuer.  The Corporation is a security issuer under the
     Securities Act of New Brunswick and a reporting issuer under the respective
     Securities  Acts of  British  Columbia,  Alberta,  Saskatchewan,  Manitoba,
     Ontario,  and Newfoundland  (and not any other  jurisdiction) and is not in
     material  default  of any  requirement  of such  Acts or  their  respective
     Regulations,  other  than as  disclosed  in (e)  above  and is in  material
     compliance with the rules and regulations of The Toronto Stock Exchange. No
     order ceasing or suspending  trading in  securities of the  Corporation  or
     prohibiting  the  transactions  contemplated  hereby has been issued and no
     proceedings  for such purpose are pending or have been  threatened  against
     the Corporation, other than as disclosed in (e) above.

          (n) Compliance  with Law. The business of each of the  Corporation and
     its Subsidiaries is being conducted in all material  respects in compliance
     with applicable laws,  regulations and ordinances of all authorities having
     jurisdiction, other than as disclosed in (e) above.

          (o) Agreements.  Each agreement or contract between the Corporation or
     any of its  Subsidiaries  and any other  Person  which is  material  to the
     business of the Corporation or any of its Subsidiaries, as the case may be,
     has been  disclosed  to  Vianet in  writing  and each  such  agreement  and
     contract is and, as of the Effective Date will be, in full force and effect
     and to the best of the  Corporation's  knowledge  and  belief (i) be valid,
     binding and  enforceable  against each of the parties thereto in accordance
     with its terms,  (ii) no material  breach or default  will exist in respect
     thereof  on the part of any  party  thereto  and  (iii) no event  will have
     occurred  which,  with the  giving  of notice or the lapse of time or both,
     would  constitute  such a material  breach or  default.

          (p)   Environmental   Matters.   The   Corporation  and  each  of  its
     Subsidiaries  is and has at all times been in  compliance  in all  material
     respects  with  all   applicable   Canadian  and  United  States   federal,
     provincial,  state and  local,  and  foreign  laws,  regulations,  by-laws,
     ordinances,  orders,  directives and decisions  relating to  environmental,
     natural  resources,  health and safety  matters.  There is no suit,  claim,
     action or proceeding  pending or threatened  against the Corporation or any
     of its Subsidiaries or, to the Corporation's knowledge, any basis therefor,
     in  respect  of  (i)  non-compliance  by  the  Corporation  or  any  of its
     Subsidiaries with any such laws, regulations,  by-laws, ordinances, orders,
     directives  or  decisions  (ii)  personal  injury,  wrongful  death,  other
     tortious conduct,  or relating to materials,  commodities or products held,
     used, sold, transferred, manufactured or disposed of by or on behalf of the
     Corporation or any of its  Subsidiaries,  containing or  incorporating  any
     hazardous  or toxic  materials,  commodities  or  substances,  or (iii) the
     presence  or release or  threatened  release  into the  environment  of any
     pollutant,  contaminant,   deleterious  or  toxic  or  hazardous  material,
     substance  or  waste,  whether  solid,  liquid  or gas  (each a  "Hazardous
     Substance"),   whether   generated  by  the   Corporation  or  any  of  its
     Subsidiaries  or located at or about a site leased or otherwise used by the
     Corporation  or any of its  Subsidiaries  or  heretofore  owned,  leased or
     otherwise  used  by the  Corporation  or any  of  its  Subsidiaries  or any
     predecessor entity.

<PAGE>
          (q) Intellectual Property.

               (i) The Corporation and its  Subsidiaries  own, or have the right
          to use, sell or license all  Intellectual  Property Rights (as defined
          below)  necessary  or  desirable  for the conduct of their  respective
          businesses as presently  conducted (such Intellectual  Property Rights
          being  hereinafter  collectively  referred  to  as  the  "Develcon  IP
          Rights") and such rights to use,  sell or licence are  sufficient  for
          such conduct of their respective businesses;

               (ii) Except as has been disclosed to Vianet by the Corporation in
          writing,  the Corporation and its Subsidiaries were the first and only
          owners  of  the  Develcon  IP  Rights  and  the  Corporation  and  its
          Subsidiaries  are entitled to the exclusive and  uninterrupted  use of
          the Develcon IP Rights;  no Person other than the  Corporation and its
          Subsidiaries have any right,  title or interest in any of the Develcon
          IP Rights including the moral rights in any copyright works within the
          Develcon IP Rights;

               (iii) Except as has been  disclosed to Vianet by the  Corporation
          in writing,  the Corporation and its  Subsidiaries are entitled to the
          use of the Develcon IP Rights without  payment or any royalty or other
          fees;

               (iv) Neither the manufacture,  marketing, licence, sale or lawful
          use of any product  currently  licenced or sold by the  Corporation or
          any  of  its  Subsidiaries  or  currently  under  development  by  the
          Corporation  or  any of  its  Subsidiaries  violates  any  licence  or
          agreement  between the Corporation or any of its  Subsidiaries and any
          third party or, to the  knowledge of the  Corporation,  infringes  any
          Intellectual  Property  Rights  of any  other  party;  and there is no
          pending or, to the best knowledge of the Corporation, threatened claim
          or  litigation  contesting  the  validity,  ownership or right to use,
          sell, licence or dispose of any of Develcon IP Rights nor, to the best
          knowledge of the  Corporation,  is there any basis for any such claim,
          nor has the Corporation or any of its Subsidiaries received any notice
          asserting  that any  Develcon  IP Rights or the  proposed  use,  sale,
          license or  disposition  thereof  conflicts or will  conflict with the
          rights  of  any  other  party,  nor,  to  the  best  knowledge  of the
          Corporation, is there any basis for any such assertion;

               (v) The Corporation and its Subsidiaries  have taken all steps in
          accordance  with  customary  industry  practice which are necessary or
          desirable  to safeguard  and maintain the secrecy and  confidentiality
          of, and its proprietary  rights in, all Develcon IP Rights. No current
          or prior officers,  employees or consultants of the  Corporation  have
          given notice to the Corporation of any claim of an ownership  interest
          in any  Develcon IP Rights as a result of having been  involved in the
          development  of such property  while  employed by or consulting to the
          Corporation, or otherwise; and

               (vi) All of the Corporation's  and its Subsidiaries'  permissions
          and licences to use any of the  Intellectual  Property Rights of other
          Persons have been previously disclosed to Vianet by the Corporation in
          writing and are in full force and effect and  neither the  Corporation
          nor any of its  Subsidiaries  nor the  licensor  of such  Intellectual
          Property Rights is in material default of its obligations thereunder.

         As used herein the term  "Intellectual  Property Rights" shall mean all
worldwide  industrial  and  intellectual  property  rights,  including,  without
limitation, patents, patent applications,  patent rights, trademarks,  trademark
applications, trade names, service marks, service mark applications,  copyright,
copyright  applications,  mask  works,  franchises,  licences,  know-how,  trade
secrets,  customer  lists,  proprietary  processes and formulae,  all source and
object code,  algorithms,  architecture,  structure,  display screens,  layouts,
inventions,  development  tools and all  documentation  and media  constituting,
describing or relating to the above,  including,  without  limitation,  manuals,
memoranda and records.



<PAGE>
          (r)  Full  Disclosure.  None  of  the  foregoing  representations  and
     warranties and no document  furnished by or on behalf of the Corporation to
     Vianet in connection with the negotiation of the transactions  contemplated
     by this Agreement  contain any untrue  statement of a material fact or omit
     to  state  any  material  fact  necessary  to make any  such  statement  or
     representation  not misleading to a prospective  purchaser of the shares of
     the  Corporation  seeking full  information as to the  Corporation  and the
     Corporation's Subsidiaries and their respective properties,  businesses and
     affairs. Except for those matters disclosed in this Agreement, there are no
     facts  related  to the  Corporation's  or its  Subsidiaries'  business  not
     disclosed in this Agreement  which, if learned by Vianet,  might reasonably
     be expected to  materially  diminish  Vianet's  evaluation  of the worth or
     profitability  of the  Corporation  or which,  if learned by Vianet,  might
     reasonably  be expected to deter Vianet from  completing  the  transactions
     contemplated by this Agreement on the terms of this Agreement.




<PAGE>
                                   SCHEDULE F

                    REPRESENTATIONS AND WARRANTIES OF VIANET


          (a)  Organization  and  Qualification.   Prior  to  a  Pre-arrangement
     Transaction occurring, Vianet Delaware was duly incorporated under the laws
     of Delaware, validly existing and had full corporate power and authority to
     own its  property  and  conduct  its  businesses  as  presently  owned  and
     conducted.

          (b) Capitalization.  Prior to a Pre-arrangement Transaction occurring,
     the authorized  capital of Vianet  Delaware  consisted of 3,000,000  common
     shares and 1,000,000 undesignated preferred shares, of which only 1,027,318
     common  shares  and  250,000  convertible  preferred  shares are issued and
     outstanding as fully paid and non-assessable. Except as are contemplated by
     the Arrangement,  there are no options,  warrants,  conversion  privileges,
     calls or other rights, agreements, arrangements, commitments or obligations
     of  Vianet to issue or sell any  securities  of  Vianet  or  securities  or
     obligations of any kind convertible into or exchangeable for any securities
     of  Vianet  or any  other  person,  nor are  there  outstanding  any  stock
     appreciation  rights,   phantom  equity  or  similar  rights,   agreements,
     arrangements or commitments based upon the book value,  income or any other
     attribute of Vianet.

          (c)  Authority  Relative to this  Agreement.  Vianet 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
     Vianet have been duly authorized by the board of directors of Vianet and no
     other  corporate  proceedings  on the  part  of  Vianet  are  necessary  to
     authorize this Agreement and the transactions  contemplated hereby,  except
     as may be required by any Agency or the  Legislation.  This  Agreement  has
     been duly executed and delivered by Vianet and  constitutes a legal,  valid
     and binding  obligation of Vianet,  enforceable by the Corporation  against
     Vianet in accordance  with its terms except as maybe limited by bankruptcy,
     reorganization,  insolvency  and laws affecting the rights of creditors and
     others and to the extent that equitable  remedies are only available in the
     discretion  of the court from  which they are  sought.  The  execution  and
     delivery  by  Vianet  of  this  Agreement  and  performance  by it  of  its
     obligations hereunder will not result in:

               (i) a  material  violation  or  breach  of  any  provision  of or
          constitute  a material  default (or an event that with notice or lapse
          of time or both would become a material default) under,

                    (A) its certificate or articles of incorporation or by-laws,

                    (B) any applicable law or, to its knowledge, any regulation,
               order,  judgment or decree  (subject to  obtaining  the  consents
               referred to below), or

                    (C) any agreement,  arrangement or understanding to which it
               is a party or by which it or its properties is bound or affected,

               (ii) the imposition of any  encumbrance,  charge or lien upon any
          of its assets that, individually or in the aggregate, could reasonably
          be expected to be Materially Adverse to Vianet.

     Other than in connection  with or in compliance  with the provisions of the
Investment  Canada Act (Canada),  the Interim  Order,  the  Legislation  and the
requirements  of the NASD, no  authorization,  consent or approval of, or filing
with,  any Agency is necessary  for the  consummation  by Vianet or Subco of its
obligations  under this  Agreement,  except for such  authorizations,  consents,
approvals  and  filings  as to which the  failure by any party to obtain or make
would not,  individually  or in the aggregate,  prevent or materially  delay the
consummation of the transactions contemplated by this agreement.

<PAGE>
          (d)  Authority  Relative  to  the  Arrangement.  On or  prior  to  the
     Arrangement, Subco will have the requisite corporate power and authority to
     perform its obligations  under the Arrangement and the performance by Subco
     of the terms of the Arrangement will have been duly authorized by the board
     of directors  of Subco and no other  corporate  proceedings  on the part of
     Subco will be necessary to authorize the same, except as may be required by
     any Agency or the Legislation.  The performance by Subco of its obligations
     under the Arrangement will not result in:

               (i) a  material  violation  or  breach  of  any  provision  of or
          constitute  a material  default (or an event that with notice or lapse
          of time or both would become a material default) under,

                    (A) its certificate or articles of incorporation or by-laws,

                    (B) any applicable law or, to its knowledge, any regulation,
               order,  judgment or decree  (subject to  obtaining  the  consents
               referred to below), or

                    (C) any agreement,  arrangement or understanding to which it
               is a party or by which it or its properties is bound or affected,

               (ii) the imposition of any  encumbrance,  charge or lien upon any
          of its assets that, individually or in the aggregate, could reasonably
          be expected to be Materially Adverse to Subco.

     Other than in connection  with or in compliance  with the provisions of the
Investment  Canada Act  (Canada),  the  Interim  Order and the  Legislation,  no
authorization,  consent or approval of, or filing with,  any Agency is necessary
for the consummation by Subco of its obligations  under the Arrangement,  except
for such authorizations, consents, approvals and filings as to which the failure
by any party to obtain or make  would  not,  individually  or in the  aggregate,
prevent or materially delay the consummation of the transactions contemplated by
the Arrangement Agreement.

          (e) Financial Statements and Disclosure Documents.  The information in
     respect of Vianet or Subco  which will be filed by Vianet  with the SEC and
     NASD in connection with the Arrangement will, as of their respective dates,
     be in compliance in all material respects with the Legislation and will not
     as at such dates contain any untrue statement of a material fact or omit to
     state any material fact required to be stated therein or necessary in order
     to make the statements therein not misleading.

          (f) Absence of Certain  Changes or Events.  In the event there has not
     been a  Pre-Arrangement  Transaction  since the date of its  incorporation,
     there  has not been  any  change,  condition,  event  or  occurrence  that,
     individually or in the aggregate, has been, or could reasonably be expected
     to be,  Materially  Adverse to Vianet  Delaware  (including any decision to
     implement  such a change made by the board of directors of Vianet  Delaware
     or senior  management of Vianet  Delaware who believe that  confirmation of
     the decision by the board of directors of Vianet Delaware is probable).  In
     the event that a Pre-Arrangement  Transaction has been effected then, since
     the  date of  Vianet  Delaware's  incorporation,  there  has not  been  any
     changes,  condition,  event  or  occurrence  that,  individually  or in the
     aggregate could be expected to be materially  adverse to Vianet  subsequent
     to the  Pre-Arrangement  Transaction being effected (including any decision
     to  implement  such a change  made by the board of  directors  of Vianet or
     senior  management of Vianet who believe that  confirmation of the decision
     by the board of directors of Vianet is probable).

          (g)  Litigation.  There are no claims,  actions,  proceedings,  suits,
     investigations  or  reviews  pending  or, to the best of the  knowledge  of
     Vianet,  threatened  in  writing  against  Vianet,  Subco  or any of  their
     respective properties before any Agency that, either individually or in the
     aggregate, if adversely determined would be Materially Adverse to Vianet.

<PAGE>
          (h) No Material  Adverse  Judgment,  Order or Decree.  None of Vianet,
     Subco or their respective properties is the subject of any judgment,  order
     or decree  that is,  or could  reasonably  be  expected  to be,  Materially
     Adverse to Vianet.

          (i) Compliance.  Except for any conflicts, defaults or violations that
     could not, individually or in the aggregate (taking into account the impact
     of any cross-defaults),  reasonably be expected to be Materially Adverse to
     Vianet,  each of  Vianet  and  Subco  in the  operation  of its  respective
     businesses  is  not  in  conflict  with,  or in  default  (including  cross
     defaults) under or violation of:

               (i)  its  articles  or  by-laws  or   equivalent   organizational
          documents;

               (ii) any law,  rule,  regulation,  order,  permit,  judgement  or
          decree (including those relating to environmental  matters) applicable
          to it,  or by  which  any of its  properties  is  bound  or  affected,
          including the Legislation; or

               (iii) any  agreement,  arrangement or  understanding  of it or by
          which any of its properties is bound or affected.

          (j) Compliance  with Law. The business of Vianet and its  Subsidiaries
     is being  conducted in all material  respects in compliance with applicable
     laws, regulations and ordinances of all authorities having jurisdiction.

          (k) Agreements. Each agreement or contract between Vianet or Subco and
     any other Person  which is material to the  business of Vianet,  is in full
     force and effect and to the best of  Vianet's  knowledge  and belief (i) is
     valid,  binding and  enforceable  against  each of the  parties  thereto in
     accordance  with its terms,  (ii) no material  breach or default  exists in
     respect  thereof  on the part of any party  thereto  and (iii) no event has
     occurred  which,  with the  giving  of notice or the lapse of time or both,
     would constitute such a material breach or default.

          (l)  Property.  Vianet  has  good and  marketable  title to all of its
     material properties and assets (real and personal, tangible and intangible,
     including leasehold interests).

          (m) Subsidiaries.  Immediately  prior to the Arrangement,  each of the
     Subsidiaries  of Vianet will be duly  incorporated  under  applicable  law,
     validly  existing and have full  corporate or legal power and  authority to
     own its property and conduct its businesses and to perform its  obligations
     under this Agreement.  All of the  outstanding  shares of the capital stock
     and other ownership  interests of the Subsidiaries  will be owned by Vianet
     and validly issued,  fully paid and non-assessable and owned free and clear
     of all  material  liens or  encumbrances  other  than as  disclosed  to the
     Corporation in writing. Immediately prior to the Arrangement, there will be
     no options,  warrants,  conversion privileges or other rights,  agreements,
     arrangements or commitments obligating Vianet or any of its Subsidiaries to
     issue or sell any securities of any of those  Subsidiaries or securities or
     obligations of any kind  convertible into or exchangeable for securities or
     other ownership interests of any of those  Subsidiaries.  Immediately prior
     to the Arrangement, there will be no outstanding stock appreciation rights,
     equity or similar rights, agreements,  arrangements or commitments based on
     the book value, income or any other attribute of any of the Subsidiaries of
     Vianet.

          (n) Vianet  Share  Price.  As at February  12,  1999,  the most recent
     issuance  by Vianet  Delaware  of common  shares to a Person  dealing  with
     Vianet  Delaware at arm's length was equal to or greater than U.S.$4.00 per
     share,   which  is  equivalent  to  US$1.00  per  common  share  of  Vianet
     immediately following the Merger.



<PAGE>
          (o) Liabilities.  Immediately prior to the Effective Date, Vianet will
     have no liabilities other than those incurred in the ordinary course of its
     business and Vianet shall not have a negative net worth.

          (p) Due  Issuance  of Shares.  When  issued,  common  shares of Vianet
     issued  to  the  then  shareholders  of  the  Corporation  pursuant  to the
     Arrangement  and  common  shares of Vianet  issued in  connection  with the
     exercise of options and warrants  received  pursuant to the  Arrangement by
     holders of Existing  Options,  shall be duly and  validly  issued and fully
     paid and non-assessable.

          (q)  Full  Disclosure.  None  of  the  foregoing  representations  and
     warranties  and no document  furnished by or on behalf of the Vianet to the
     Corporation  in  connection  with  the  negotiation  of  the   transactions
     contemplated by this Agreement  contain any untrue  statement of a material
     fact or omit  to  state  any  material  fact  necessary  to make  any  such
     statement or  representation  not misleading to a prospective  purchaser of
     the shares of Vianet  seeking  full  information  as to Vianet and Vianet's
     Subsidiaries  and their  respective  properties,  businesses  and  affairs.
     Except for those matters  disclosed in this  Agreement,  there are no facts
     related to Vianet's or its  Subsidiaries'  business  not  disclosed in this
     Agreement  which,  if  learned  by the  Corporation,  might  reasonably  be
     expected to materially  diminish the Corporation's  evaluation of the worth
     or profitability  of Vianet or which, if learned by the Corporation,  might
     reasonably  be  expected  to deter  the  Corporation  from  completing  the
     transactions contemplated by this Agreement on the terms of this Agreement.



<PAGE>
                                   SCHEDULE G
                       CERTAIN HOLDERS OF EXISTING OPTIONS


<TABLE>
<CAPTION>

Name                                              Options or Warrants                               Number of Develcon Shares

<S>                                               <C>                                               <C>
  ................................J. Posner             Warrants                                       1,000,000
  ..............................N. Jamieson             Warrants                                       1,000,000
  ...............................G. Bennett              Options                                         600,000
  .................................F. Sanda              Options                                         245,000
  ................................B. Brydon              Options                                         130,000

</TABLE>

<PAGE>
                                   SCHEDULE H

                               PLAN OF ARRANGEMENT
                            UNDER SECTION 192 OF THE
                        CANADA BUSINESS CORPORATIONS ACT

     1.1 Definitions

     1.2 Sections and Headings.  The division of this Plan of  Arrangement  into
sections and the insertion of headings are for reference purposes only and shall
not affect the  interpretation  of this Plan of  Arrangement.  Unless  otherwise
indicated,  any reference in this Plan of Arrangement to a section or a Schedule
refers to the specified section of or Schedule to this Plan of Arrangement.

     1.3 Number,  Gender and Persons.  In this Plan of  Arrangement,  unless the
context  otherwise  requires,  words  importing the singular  number include the
plural and vice versa,  words importing any gender include all genders and words
importing persons include individuals, corporations, partnerships, associations,
trusts,  unincorporated  organizations,  governmental  bodies and other legal or
business entities of any kind.

Article 2.  Arrangement Agreement.

     2.1 Arrangement Agreement. This Plan of Arrangement is made pursuant to, is
subject to the provisions of and forms part of, the Arrangement Agreement.

Article 3.  Arrangement.

     3.1  Arrangement.  Effective as of the Effective  Time,  the following will
occur and will be deemed to occur in the  following  order  without  any further
authorization, act or formality:

          (a) Convertible Debentures: except as provided in Section 4.1,

               (i)  each of the then  outstanding  Convertible  Debentures,  the
          trust indenture  relating  thereto and all amendments  thereto and all
          documents  under  which they are issued  shall,  without  any  further
          action on the part of any Convertible  Debentureholder  or the trustee
          under the trust indenture relating to the Convertible  Debentures,  be
          amended and be deemed to be amended such that (A) the number of Common
          Shares to which the holder  thereof is entitled  upon proper  exercise
          thereof in  accordance  with the terms of the  Convertible  Debentures
          shall be equal to 5.9963 Common Shares for each Cdn.  $1.00  principal
          amount  of  Convertible   Debentures  and  (B)  all  interest  on  the
          Convertible  Debentures  which has  accrued but not been paid shall be
          forgiven;

<PAGE>
               (ii)  the  rights  pursuant  to  each  of  the  then  outstanding
          Convertible  Debentures to convert the principal  amounts  outstanding
          thereunder into Common Shares shall, without any further action on the
          part  of any  Convertible  Debentureholder,  be and  be  deemed  to be
          exercised to convert each Cdn. $1.00  principal  amount of Convertible
          Debentures into 5.9963 Common Shares;

               (iii) Develcon  shall,  without any further action on the part of
          Develcon,   issue  and  be  deemed  to  issue  Common  Shares  to  the
          aforementioned holders of Convertible Debentures at the aforementioned
          conversion ratio and each Convertible  Debentureholder which becomes a
          holder of Common Shares in accordance herewith shall be entered in the
          register of holders of Common  Shares.  If the  foregoing  calculation
          results in Convertible  Debentures being exercisable for a fraction of
          a Common  Share,  then the  number of Common  Shares  subject  to such
          conversion  will be rounded down to the nearest whole number of Common
          Shares;

               (iv)  each  of the  Convertible  Debentures  shall,  without  any
          further  action  on  the  part  of  any  Convertible  Debentureholder,
          Develcon  or the  trustee  under the trust  indenture  relating to the
          Convertible Debentures, be cancelled and deemed to be cancelled;

          (b) Amalgamation. The Corporation and Subco shall amalgamate and shall
     continue  as one  corporation  under  the CBCA on the  following  terms and
     conditions, without any further authorization, act or formality:

               (i)  Name.  The  name of the  Amalgamated  Corporation  shall  be
          Develcon Electronics Ltd.

               (ii)  Registered  Office.  Until changed in  accordance  with the
          CBCA,  the  place  in  Canada  where  the  registered  office  of  the
          Amalgamated  Corporation shall be situate is Toronto,  Ontario and the
          address of the  registered  office shall be 185 Sheppard  Avenue West,
          Toronto, Ontario M2N 1M9.

               (iii)  Business.  There shall be no  restrictions on the business
          the Amalgamated Corporation may carry on.

               (iv) By-Laws.  The by-laws of Develcon  shall,  to the extent not
          inconsistent  with this Plan of  Arrangement,  be the  by-laws  of the
          Amalgamated  Corporation,  until  repealed or  amended.  A copy of the
          proposed  by-laws  may be examined at the offices of Chaiton & Chaiton
          located at 185 Sheppard Avenue West, Toronto, Ontario M2N 1M9.

               (v)  Classes  and Number of Shares  Authorized.  The  Amalgamated
          Corporation shall be authorized to issue an unlimited number of shares
          of one class designated as common shares.

               (vi) Issued Shares.

                    (A) each issued and outstanding  common share of Subco shall
               be  converted  into one issued and fully paid and  non-assessable
               common share of the Amalgamated Corporation;

                    (B) except as  provided  in  Section  4.1,  each  issued and
               outstanding  common share of Develcon shall be cancelled  without
               reimbursement of the capital  represented  thereby and the holder
               shall receive from Vianet, in exchange therefor, 0.0325203 issued
               and fully paid and non-assessable Vianet Share; and

                    (C) except as provided in Section 4.1, each holder of Common
               Shares  which  becomes  a holder  of  common  shares of Vianet in
               accordance with the Arrangement  shall be entered in the register
               of holders of common shares of Vianet.



<PAGE>
               (vii) Directors. Until changed in accordance with the CBCA, there
          shall be a minimum of one director and a maximum of fifteen  directors
          of the Amalgamated Corporation. The first directors of the Amalgamated
          Corporation shall be:

<TABLE>
<CAPTION>
Name                                    Address                                 Resident Canadian(Yes or No)


<S>                                     <C>                                            <C>
Geoffrey Bennett                        18 Dyas Road,                                  Yes
                                        North York, Ontario
Keith Gilbert                           365 Bay Street                                 Yes
                                        10th Floor
                                        Toronto, Ontario
Jeremy Posner                           23 Be'er Sheva                                  No
                                        Jerusalem, Israel

</TABLE>


               (viii)   Financial  Year  End.  Until  otherwise   determined  by
          resolution of the  directors,  the financial  year of the  Amalgamated
          Corporation shall end on the last day of December in each year.

               (ix) Effect of Amalgamation. On the date shown in the certificate
          of arrangement:

                    (A) the property of Develcon and Subco shall  continue to be
               the property of the Amalgamated Corporation;

                    (B) the Amalgamated  Corporation shall continue to be liable
               for the obligations of Develcon and Subco;

                    (C) an  existing  cause of  action,  claim or  liability  to
               prosecution relating to Develcon or Subco shall be unaffected;

                    (D) a civil, criminal or administrative action or proceeding
               pending by or against  Develcon or Subco may be  continued  to be
               prosecuted by or against the Amalgamated Corporation; and

                    (E) the  articles of  arrangement  shall be deemed to be the
               articles of  incorporation  of the Amalgamated  Corporation  and,
               except for the  purposes of  subsection  104(1) of the CBCA,  the
               certificate of arrangement is deemed to be the certificate of the
               Amalgamated Corporation;

               (x) Auditors. The auditors of the Amalgamated Corporation,  until
          the first annual meeting of  shareholders  shall be KPMG,  unless such
          auditors resign or are removed in accordance with the CBCA.

               (xi) Share Transfer Restrictions. The right to transfer shares in
          the  Amalgamated  Corporation  shall be  restricted  in that no shares
          shall be transferred without either:

                    (A)  the  consent  of  the  directors  of  the   Amalgamated
               Corporation  expressed by a resolution passed by the directors or
               by an instrument or  instruments  in writing signed by a majority
               of the  directors,  which  consent may be given  either  prior or
               subsequent to the time of transfer of such shares; or

                    (B) the consent of the holders of shares of the  Amalgamated
               Corporation  to which are  attached  at least  50.1% of the votes
               attaching to all shares of the  Amalgamated  Corporation  for the
               time being  outstanding  carrying  voting rights either under all
               circumstances or under some  circumstances that have occurred and
               are   continuing,   expressed  by   resolution   passed  by  such
               shareholders or by an instrument or instruments in writing signed
               by such shareholders,  which consent may be given either prior or
               subsequent to the time of transfer of such shares.

<PAGE>
               (xii)  Private  Company.   The  number  of  shareholders  of  the
          Amalgamated   Corporation,   exclusive  of  persons  who  are  in  its
          employment  and exclusive of persons who,  having been formerly in the
          employment  of  the  Amalgamated  Corporation,  were,  while  in  that
          employment, and have continued after termination of that employment to
          be,  shareholders of the Amalgamated  Corporation  shall be limited to
          not more than 50, two or more persons who are joint registered holders
          of one or  more  shares  being  counted  as one  shareholder  and  any
          invitation  to  the  public  to  subscribe   for   securities  of  the
          Amalgamated Corporation shall be prohibited.

               (xiii)  Restrictions on Transfer of Vianet Shares. In addition to
          any  restrictions  imposed by applicable  laws,  holders of the Vianet
          Shares issued pursuant to Section  3.1(vi)(B) will only be entitled to
          sell, transfer or otherwise dispose of any of such Shares as follows:

                    (A) twenty (20) percent of the Vianet  Shares issued to such
               holders  pursuant to the  Arrangement  may be sold,  transferred,
               assigned or  otherwise  disposed of from and after the  Effective
               Date;

                    (B) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               sixth month anniversary of the Effective Date;

                    (C) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               twelfth month anniversary of the Effective Date;

                    (D) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               eighteenth month anniversary of the Effective Date;

                    (E) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               twenty-fourth month anniversary of the Effective Date;

                           provided,  however,  that the foregoing  restrictions
shall  not  apply to any such  holders  issued  less than  8,000  Vianet  Shares
pursuant to the Arrangement and accordingly,

                    (F) certificates  representing  Vianet Shares issued to each
               holder of common  shares of Develcon  under the  Arrangement,  as
               contemplated  by  Section  5.1,  shall be  issued  separately  to
               represent  the Vianet  Shares  issued to such holder which may be
               disposed of from and after the Effective Date (as contemplated by
               Section  3.1(b)(xiii)(A)  and from and after each of the  various
               anniversaries  of the Effective Date (as  contemplated by Section
               3.1(b)(xiii)(B)  through  (E)).  A legend  to  substantially  the
               following  effect  will be  placed on  certificates  representing
               Vianet  Shares  issued to such  holders  which are subject to the
               restrictions set out in Section 3.1(b)(xiii)(B) through (E):

     "THE SHARES  REPRESENTED BY THIS  CERTIFICATE ARE SUBJECT TO CERTAIN RESALE
RESTRICTIONS  RELATING TO THE PLAN OF  ARRANGEMENT  UNDER WHICH THEY WERE ISSUED
AND MAY NOT BE TRANSFERRED UNTIL [RELEVANT ANNIVERSARY OF EFFECTIVE DATE].

     THE PRESENCE OF THIS LEGEND MAY IMPAIR THE ABILITY OF THE HOLDER  HEREOF TO
EFFECT GOOD DELIVERY OF THE SECURITIES REPRESENTED HEREBY. A CERTIFICATE WITHOUT
A LEGEND MAY BE OBTAINED FROM THE REGISTRAR AND TRANSFER  AGENT OF THE SHARES IN
CONNECTION WITH A SALE OF THE SECURITIES  REPRESENTED  HEREBY FROM AND AFTER THE
DATE SPECIFIED IN THE  IMMEDIATELY  PRECEDING  PARAGRAPH OF THIS LEGEND (and any
additional legend required by applicable law); and

<PAGE>
                    (G) Vianet may give stop transfer instructions to the Vianet
               Transfer  Agent with respect to the Vianet  Shares issued to such
               holders  pursuant  to  the  Arrangement  which  are  to be  sold,
               transferred,  assigned or otherwise  disposed of in contravention
               of the  restrictions set out in Section  3.1(b)(xiii)(B)  through
               (E).

          (c) Existing Options.  Each of the Existing Options will,  without any
     further action on the part of any holder of Existing  Options,  Develcon or
     Vianet,  be  converted  into a security of the same kind and nature  except
     that it shall  entitle the holder to purchase  that number of Vianet Shares
     which the holder would have received from Vianet under the  Arrangement had
     the holder  exercised its Existing  Options for Common  Shares  immediately
     before the  Effective  Date and the exercise  price for such Vianet  Shares
     shall be as are set out in Appendix I hereto. If the foregoing  calculation
     results  in the  Existing  Options  of a  holder  being  exercisable  for a
     fraction of a Common  Share,  then the number of Common  Shares  subject to
     such  conversion will be rounded down to the nearest whole number of Common
     Shares.  The Existing  Options as so converted will (without further action
     on the part of any  holder of  Existing  Options,  Develcon  or  Vianet) be
     further modified as necessary to effect such conversion; provided, however,
     the term, exercisability and all other terms and conditions of the Existing
     Options will otherwise be unchanged by the provisions of this paragraph and
     shall operate in accordance with their terms and the agreement, certificate
     or  other  evidence  of the  Existing  Options  will  represent  the  right
     described in this Plan of Arrangement.

Article 4.  Rights of Dissent.

     4.1 Rights of Dissent.  Holders of Common  Shares  outstanding  immediately
before  the  cancellation  thereof  contemplated  by Section  3.1(b)(vi)(B)  may
exercise  rights of dissent with  respect to such shares  pursuant to and in the
manner set forth in section 190 of the CBCA and this  Section 4.1 in  connection
with the  Arrangement  and holders who duly  exercise such rights of dissent and
who:

          (a) are  ultimately  determined to be entitled to be paid "fair value"
     for their Common Shares under the CBCA shall be deemed to have  transferred
     such Common Shares to the Corporation  for  cancellation in accordance with
     the CBCA; and

          (b) are ultimately  determined not to be entitled,  for any reason, to
     be paid  "fair  value"  for  their  Common  Shares  shall be deemed to have
     participated  in the  Arrangement  on the same basis as any  non-dissenting
     holder of Common Shares and shall receive Vianet common shares on the basis
     determined  in  accordance  with Section  3.1(b)(vi)  above but in no event
     shall the Amalgamated  Corporation be required to recognize such persons as
     shareholders  of the Amalgamated  Corporation  from and after the Effective
     Date.

         Holders of Convertible  Debentures  outstanding  immediately before the
cancellation  thereof  contemplated by Section 3.1(a)(iv) may exercise rights of
dissent  with  respect to such  Convertible  Debentures  pursuant  to and in the
manner set forth in section  190 of the CBCA (as such  provision  would apply if
and to the extent that such holders were the holders of Common Shares that would
be issued to them after the conversion  contemplated by Section 3.1(a)) and this
Section 4.1 in  connection  with the  Arrangement  and holders who duly exercise
such rights of dissent and who:

          (c) are  ultimately  determined to be entitled to be paid "fair value"
     for their Convertible Debentures shall be entitled to receive as such "fair
     value",  the "fair value" of the Common  Shares into which the  Convertible
     Debentures of such holder would be converted pursuant to Section 3.1(a) but
     for this  Section  4.1(c)  and  shall be deemed  to have  transferred  such
     Convertible  Debentures to the Corporation  for  cancellation in accordance
     with the CBCA and the trust indenture relating thereto, as amended; and

<PAGE>
          (d) are ultimately  determined not to be entitled,  for any reason, to
     be paid "fair value" for their  Convertible  Debentures  shall be deemed to
     have   participated   in  the   Arrangement   on  the  same  basis  as  any
     non-dissenting  holder of  Convertible  Debentures and shall receive Vianet
     Shares on the basis  determined in accordance with Section 3.1(a) above but
     in no event shall the Amalgamated Corporation be required to recognize such
     persons as Convertible Debentureholders of the Amalgamated Corporation from
     and after the Effective Date.

Article 5.  Certificate and Fractional Shares.

     5.1  Issuance  of  Certificates   Representing  Vianet  Shares.  After  the
Effective  Date,  certificates  and  instruments  formerly  representing  Common
Shares,  Existing  Options and Convertible  Debentures  shall represent only the
right to receive the certificates or other relevant  instrument (i.e.  option or
warrant)  representing  the Vianet Shares or options or warrants of Vianet which
the former  holder is  entitled  to  receive,  after  giving  effect to Sections
3.1(b)(vi) and 3.1(c),  subject to compliance with the requirements set forth in
this Section 5.1. As soon as practicable  after the Effective Date, Vianet shall
forward or cause to be  forwarded  to each  former  Securityholder  (other  than
holders of Common  Shares who have  exercised  their  dissent  rights)  and each
former  Convertible  Debentureholder at the address of such holder as it appears
in the relevant register of Develcon a letter of transmittal  containing,  among
other things,  instructions for obtaining  delivery of the certificates or other
relevant  instrument  representing  the Vianet  Shares or options or warrants of
Vianet which the former  holder is entitled to receive  pursuant to this Plan of
Arrangement.  Such former Securityholder or former Convertible  Debentureholder,
as the case may be, shall be entitled to receive  certificates or other relevant
instrument representing the Vianet Shares or options or warrants of Vianet which
the former  holder is  entitled  to  receive,  after  giving  effect to Sections
3.1(b)(vi)  and (3.1)(c)  upon  delivering  the  certificate  or other  relevant
instrument formerly  representing such holder's Common Shares,  Existing Options
or  Debentures,  as the case may be, to Vianet's  Transfer  Agent or as Vianet's
Transfer  Agent may  otherwise  direct and in accordance  with the  instructions
contained  in the letter of  transmittal.  Such  certificate  or other  relevant
instrument formerly  representing such holder's Common Shares,  Existing Options
or  Convertible  Debentures,  as the case may be,  shall be  accompanied  by the
letter of  transmittal,  duly  completed,  and such other  documents as Vianet's
Transfer Agent may reasonably  require.  Vianet's  Transfer Agent shall register
the Vianet  Shares or options or warrants of Vianet,  as the case may be, in the
name of the  relevant  holder  or as  otherwise  instructed  in the  letters  of
transmittal,  and shall  deliver  such  Vianet  Shares or options or warrants of
Vianet,  as the case may be, as each such  holder may  direct in such  letter of
transmittal,  as soon as practicable after receipt by Vianet's Transfer Agent of
such documents.

     5.2 Distributions with Respect to Unsurrendered Certificates.  No dividends
or other distributions declared or made after the Effective Time with respect to
Vianet Shares with a record date after the  Effective  Time shall be paid to the
holder  of  any  unsurrendered  certificate  which,  immediately  prior  to  the
Effective  Time,  represented  outstanding  Common  Shares  that were  exchanged
pursuant to Section 3.1(b)(vi) hereof, and no cash payment in lieu of fractional
shares shall be paid to any such holder  pursuant to Section 5.3 hereof,  and no
interest will be earned or payable on these proceeds,  in each case,  unless and
until such  certificate  shall be  surrendered  in  accordance  with Section 5.1
hereof. Subject to applicable law and to Section 5.1 hereof, at the time of such
surrender of any such certificate (or, in the case of clause (iii) below, at the
appropriate  payment  date),  there  shall be paid to the  record  holder of the
certificates  representing whole Vianet Shares without interest,  (i) the amount
of any cash  payable in lieu of a fractional  Vianet  common share to which such
holder is entitled pursuant to Section 5.3 hereof,  (ii) the amount of dividends
or other  distributions  with a record date after the Effective Time theretofore
paid with respect to such whole Vianet Share,  and (iii) the amount of dividends
or other  distributions with a record date after the Effective Time but prior to
surrender  and a payment date  subsequent  to surrender  payable with respect to
such whole Vianet Share.

<PAGE>
     5.3 No Fractional Shares. For greater certainty all fractional interests of
Vianet  Shares to be received by a holder of Common  Shares  pursuant to Section
3.1(b)(vi)  hereof  shall be  aggregated  and such  holder  shall be entitled to
receive that number of Vianet  Shares  rounded down to the nearest whole number.
No certificate or scrip  representing a fractional  Vianet Share shall be issued
to any holder of Common  Shares who would  otherwise  be  entitled  to receive a
fraction  of a Vianet  Share  pursuant  to  Section  3.1(b)(vi)  hereof and such
fractional  interest  shall not entitle the owner thereof to vote or to exercise
any rights as a security  holder of Vianet or the  Amalgamated  Corporation.  In
lieu of any such  fractional  securities,  each person  entitled to a fractional
interest in a Vianet Share will receive in lieu thereof from Vianet an amount of
cash (rounded to the nearest whole cent),  without  interest,  paid by Vianet by
cheque in Canadian  dollars equal to that obtained by multiplying  such fraction
by the quotient of 4 divided by 0.65.

     5.4 Lost  Certificates.  If any certificate or instrument which immediately
prior to the Effective Time  represented  outstanding  Common  Shares,  Existing
Options or Convertible  Debentures  that were exchanged  pursuant to Section 3.1
hereof has been lost,  stolen or  destroyed,  upon the making of an affidavit of
that  fact by the  person  claiming  such  certificate  to be  lost,  stolen  or
destroyed,  Vianet's Transfer Agent will issue in exchange for such lost, stolen
or destroyed certificate or instrument, a certificate or instrument representing
Vianet Shares (and any dividends or distributions  with respect thereto pursuant
to Section 5.2 hereof and any cash pursuant to Section 5.3 hereof) or options or
warrants  of  Vianet,  as the case may be,  deliverable  in  respect  thereof as
determined in accordance with Section 3.1 hereof.  When authorizing such payment
in exchange for any lost,  stolen or destroyed  certificate,  the Person to whom
certificates or instruments representing Vianet Shares or options or warrants of
Vianet, as the case may be, are to be issued shall, as a condition  precedent to
the issuance  thereof,  give a bond satisfactory to Vianet and Vianet's Transfer
Agent in such sum as Vianet may direct or otherwise  indemnify it or Vianet in a
manner  satisfactory to Vianet and Vianet's Transfer Agent,  acting  reasonably,
against any claim that may be made  against  Vianet or Vianet's  Transfer  Agent
with respect to the certificate or instrument  alleged to have been lost, stolen
or destroyed.

     5.5   Extinguishment  of  Rights.   Any  certificate  or  instrument  which
immediately prior to the Effective Time represented  outstanding  Common Shares,
Convertible  Debenture  or Existing  Options  that were  exchanged  or converted
pursuant to Section 3.1 hereof and which has not been deposited,  with all other
instruments required by Section 5.1 hereof, on or prior to the tenth anniversary
of the Effective Date,  shall cease to represent a claim or interest of any kind
or nature as a  shareholder,  option holder or warrant  holder of Develcon or of
the  Amalgamated  Corporation  or  Vianet.  On such date,  the Vianet  Shares or
options  or  warrants  of  Vianet,  as the case  may be,  to  which  the  former
registered holder of the share certificate or Convertible  Debenture or Existing
Options referred to in the preceding  sentence was ultimately  entitled shall be
deemed  to have  been  surrendered  and  shall be  cancelled  together  with all
entitlements  to dividends,  distributions  and interests  thereon held for such
former registered holder for no consideration.

Article 6.  Amendment

     6.1 Plan of Arrangement Amendment. The parties to the Arrangement Agreement
reserve the right to amend, modify and/or supplement this Plan of Arrangement at
any time and from time to time provided that any such  amendment,  modification,
or supplement  must be contained in a written  document that is (i) agreed to in
writing by each of Develcon  and Vianet,  (ii) filed with the Court and, if made
following the Special Meeting or the Debentureholders Special Meeting,  approved
by the Court,  and (iii)  communicated  to the  Securityholders  and Convertible
Debentureholders  in the  manner  required  by the Court (if so  required).  Any
amendment,  modification  or  supplement  to  this  Plan of  Arrangement  may be
proposed by Develcon or Vianet at any time prior to or at the Special Meeting or
the  Debentureholders  Special Meeting (or written  resolution of the holders of
the Convertible  Debentures)  (provided that Vianet shall have consented thereto


<PAGE>
in writing) with or without any other prior notice or  communication,  and if so
proposed  and accepted by the persons  voting at the Special  Meeting and at the
Debentureholders  Special  Meeting (or written  resolution of the holders of the
Convertible  Debenture) (other than as may be required under the Interim Order),
shall become part of this Plan of Arrangement  for all purposes.  Any amendment,
modification  or supplement to this Plan of Arrangement  that is approved by the
Court following the Special Meeting or the Debentureholders  Special Meeting (or
written  resolution  of the  holders  of the  Convertible  Debentures)  shall be
effective  only if it is consented to in writing by each of Develcon and Vianet.
Notwithstanding the foregoing, any amendment, modification or supplement to this
Plan of Arrangement  may be made following the Effective  Date  unilaterally  by
Vianet,  provided that it concerns a matter which, in the reasonable  opinion of
counsel to Vianet, is of an administrative nature required to better give effect
to  the   implementation  of  this  Plan  of  Arrangement  and  such  amendment,
modification  or supplement is not  materially  prejudicial  to the financial or
economic  interest of any holder of securities of Vianet or in  contravention of
the Final Order.

Article 7.  Further Assurances

     7.1 Other Documents and Instruments.  Notwithstanding that the transactions
or events set out herein  shall  occur and shall be deemed to occur in the order
set out in this Plan of Arrangement without any further act or formality, Vianet
and Develcon agree to make, do and execute,  or cause and cause to be made, done
and executed, all such further acts, deeds, agreements,  transfers,  assurances,
instruments  or documents as may  reasonably be required by any of them in order
further  to  document  or  evidence  any of the  transactions  or events set out
herein, including,  without limitation, any resolutions of directors authorizing
the issue, exchange,  transfer,  purchase for cancellation or donation of shares
and any share transfer powers evidencing the transfer of shares and any receipts
therefor.



<PAGE>
                                   SCHEDULE I
                                EXISTING OPTIONS
<TABLE>
<CAPTION>


Security                     No of Common Shares Issuable upon Exercise         Exercise/Conversion Price per Share

Warrants issued to Neil Jamieson
<S>                                                          <C>                    <C>
 and Jeremy Posner                                           2,000,000          Cdn.$0.25
Employees' stock options                                     2,015,250          Cdn.$0.16 to Cdn.$1.38
Directors' stock options                                       250,000          Cdn.$0.08 to Cdn.$0.90

</TABLE>

                                                             4,265,250




<PAGE>
                                   SCHEDULE J
                          OPTION/WARRANT EXCHANGE RATIO
<TABLE>
<CAPTION>



Share Value ?         Vianet          Develcon "DCL"

<S>                   <C>             <C>
U.S.$1.00             CDN.$0.050      For Every 1,000 Existing DLC Options / Warrants
                                      Holder thereof receives 32.520 Vianet Options on same terms
</TABLE>
<TABLE>
<CAPTION>



          Price of     Price of  Price of    Price of Price of Price of  Price of Price of   Price of   Price of
            DLC         Vianet     DLC        Vianet    DLC      Vianet    DLC      Vianet     DLC       Vianet
          Option        Option   Option       Option   Option    Option  Option     Option    Option     Option

            CDN.$        U.S.$     CDN.$      U.S.$    CDN.$     U.S.$     CDN.$     U.S.$     CDN.$     U.S.$

<S>         <C>          <C>       <C>        <C>      <C>       <C>       <C>       <C>       <C>       <C>
            0.01         0.20      0.34       6.80     0.67      13.40     1.00      20.00     1.33      26.60
            0.02         0.40      0.35       7.00     0.68      13.60     1.01      20.20     1.34      26.80
            0.03         0.60      0.36       7.20     0.69      13.80     1.02      20.40     1.35      27.00
            0.04         0.80      0.37       7.40     0.70      14.00     1.03      20.60     1.36      27.20
            0.05         1.00      0.38       7.60     0.71      14.20     1.04      20.80     1.37      27.40
            0.06         1.20      0.39       7.80     0.72      14.40     1.05      21.00     1.38      27.60
            0.07         1.40      0.40       8.00     0.73      14.60     1.06      21.20     1.39      27.80
            0.08         1.60      0.41       8.20     0.74      14.80     1.07      21.40     1.40      28.00
            0.09         1.80      0.42       8.40     0.75      15.00     1.08      21.60     1.41      28.20
            0.10         2.00      0.43       8.60     0.76      15.20     1.09      21.80     1.42      28.40
            0.11         2.20      0.44       8.80     0.77      15.40     1.10      22.00     1.43      28.60
            0.12         2.40      0.45       9.00     0.78      15.60     1.11      22.20     1.44      28.80
            0.13         2.60      0.46       9.20     0.79      15.80     1.12      22.40     1.45      29.00
            0.14         2.80      0.47       9.40     0.80      16.00     1.13      22.60     1.46      29.20
            0.15         3.00      0.48       9.60     0.81      16.20     1.14      22.80     1.47      29.40
            0.16         3.20      0.49       9.80     0.82      16.40     1.15      23.00     1.48      29.60
            0.17         3.40      0.50      10.00     0.83      16.60     1.16      23.20     1.49      29.80
            0.18         3.60      0.51      10.20     0.84      16.80     1.17      23.40     1.50      30.00
            0.19         3.80      0.52      10.40     0.85      17.00     1.18      23.60     1.51      30.20
            0.20         4.00      0.53      10.60     0.86      17.20     1.19      23.80     1.52      30.40
            0.21         4.20      0.54      10.80     0.87      17.40     1.20      24.00     1.53      30.60
            0.22         4.40      0.55      11.00     0.88      17.60     1.21      24.20     1.54      30.80
            0.23         4.60      0.56      11.20     0.89      17.80     1.22      24.40     1.55      31.00
            0.24         4.80      0.57      11.40     0.90      18.00     1.23      24.60     1.56      31.20
            0.25         5.00      0.58      11.60     0.91      18.20     1.24      24.80     1.57      31.40
            0.26         5.20      0.59      11.80     0.92      18.40     1.25      25.00     1.58      31.60
            0.27         5.40      0.60      12.00     0.93      18.60     1.26      25.20     1.59      31.80
            0.28         5.60      0.61      12.20     0.94      18.80     1.27      25.40     1.60      32.00
            0.29         5.80      0.62      12.40     0.95      19.00     1.28      25.60     1.61      32.20
            0.30         6.00      0.63      12.60     0.96      19.20     1.29      25.80     1.62      32.40
            0.31         6.20      0.64      12.80     0.97      19.40     1.30      26.00     1.63      32.60
            0.32         6.40      0.65      13.00     0.98      19.60     1.31      26.20     1.64      32.80
            0.33         6.60      0.66      13.20     0.99      19.80     1.32      26.40     1.65      33.00

</TABLE>


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

In essence, the formula works as follows:

     1. The number of options are  consolidated in the same ratios as the common
stock (i.e.  123:4 which  results in 1,000  options in Develcon  becoming  32.52
options in Vianet).

     2. The price of the  option  in  Vianet is in the same  ratio to the sum of
U.S.$1.00  as the  original  Develcon  option is to the "deal" price of Develcon
common shares,  being CDN$$0.05 times the U.S.$1.00  Vianet share value;  e.g. a
current  Develcon  option at CDN.$0.25  results in a Vianet option of U.S.$20.00
(0.25/0.05 ? 1.00 = 5.00)

<PAGE>
                                   APPENDIX B



                               PLAN OF ARRANGEMENT
                            UNDER SECTION 192 OF THE
                        CANADA BUSINESS CORPORATIONS ACT



Article 1.  Interpretation

     1.1 Definitions

     1.2 Sections and Headings.  The division of this Plan of  Arrangement  into
sections and the insertion of headings are for reference purposes only and shall
not affect the  interpretation  of this Plan of  Arrangement.  Unless  otherwise
indicated,  any reference in this Plan of Arrangement to a section or a Schedule
refers to the specified section of or Schedule to this Plan of Arrangement.

     1.3 Number,  Gender and Persons.  In this Plan of  Arrangement,  unless the
context  otherwise  requires,  words  importing the singular  number include the
plural and vice versa,  words importing any gender include all genders and words
importing persons include individuals, corporations, partnerships, associations,
trusts,  unincorporated  organizations,  governmental  bodies and other legal or
business entities of any kind.

Article 2.  Arrangement Agreement.

     2.1 Arrangement Agreement. This Plan of Arrangement is made pursuant to, is
subject to the provisions of and forms part of, the Arrangement Agreement.

Article 3.  Arrangement.

     3.1  Arrangement.  Effective as of the Effective  Time,  the following will
occur and will be deemed to occur in the  following  order  without  any further
authorization, act or formality:

          (a) Convertible Debentures: except as provided in Section 4.1,

               (i)  each of the then  outstanding  Convertible  Debentures,  the
          trust indenture  relating  thereto and all amendments  thereto and all
          documents  under  which they are issued  shall,  without  any  further
          action on the part of any Convertible  Debentureholder  or the trustee
          under the trust indenture relating to the Convertible  Debentures,  be
          amended and be deemed to be amended such that (A) the number of Common
          Shares to which the holder  thereof is entitled  upon proper  exercise
          thereof in  accordance  with the terms of the  Convertible  Debentures
          shall be equal to 5.9963 Common Shares for each Cdn.  $1.00  principal
          amount  of  Convertible   Debentures  and  (B)  all  interest  on  the
          Convertible  Debentures  which has  accrued but not been paid shall be
          forgiven;

               (ii)  the  rights  pursuant  to  each  of  the  then  outstanding
          Convertible  Debentures to convert the principal  amounts  outstanding
          thereunder into Common Shares shall, without any further action on the
          part  of any  Convertible  Debentureholder,  be and  be  deemed  to be
          exercised to convert each Cdn. $1.00  principal  amount of Convertible
          Debentures into 5.9963 Common Shares;

               (iii) Develcon  shall,  without any further action on the part of
          Develcon,   issue  and  be  deemed  to  issue  Common  Shares  to  the
          aforementioned holders of Convertible Debentures at the aforementioned
          conversion ratio and each Convertible  Debentureholder which becomes a
          holder of Common Shares in accordance herewith shall be entered in the
          register of holders of Common  Shares.  If the  foregoing  calculation
          results in Convertible  Debentures being exercisable for a fraction of
          a Common  Share,  then the  number of Common  Shares  subject  to such
          conversion  will be rounded down to the nearest whole number of Common
          Shares;



<PAGE>
               (iv)  each  of the  Convertible  Debentures  shall,  without  any
          further  action  on  the  part  of  any  Convertible  Debentureholder,
          Develcon  or the  trustee  under the trust  indenture  relating to the
          Convertible Debentures, be cancelled and deemed to be cancelled;

          (b) Amalgamation. The Corporation and Subco shall amalgamate and shall
     continue  as one  corporation  under  the CBCA on the  following  terms and
     conditions, without any further authorization, act or formality:

               (i)  Name.  The  name of the  Amalgamated  Corporation  shall  be
          Develcon Electronics Ltd.

               (ii)  Registered  Office.  Until changed in  accordance  with the
          CBCA,  the  place  in  Canada  where  the  registered  office  of  the
          Amalgamated  Corporation shall be situate is Toronto,  Ontario and the
          address of the  registered  office shall be 185 Sheppard  Avenue West,
          Toronto, Ontario M2N 1M9.

               (iii)  Business.  There shall be no  restrictions on the business
          the Amalgamated Corporation may carry on.

               (iv) By-Laws.  The by-laws of Develcon  shall,  to the extent not
          inconsistent  with this Plan of  Arrangement,  be the  by-laws  of the
          Amalgamated  Corporation,  until  repealed or  amended.  A copy of the
          proposed  by-laws  may be examined at the offices of Chaiton & Chaiton
          located at 185 Sheppard Avenue West, Toronto, Ontario M2N 1M9.

               (v)  Classes  and Number of Shares  Authorized.  The  Amalgamated
          Corporation shall be authorized to issue an unlimited number of shares
          of one class designated as common shares.

               (vi) Issued Shares.

                    (A) each issued and outstanding  common share of Subco shall
               be  converted  into one issued and fully paid and  non-assessable
               common share of the Amalgamated Corporation;

                    (B) except as  provided  in  Section  4.1,  each  issued and
               outstanding  common share of Develcon shall be cancelled  without
               reimbursement of the capital  represented  thereby and the holder
               shall receive from Vianet, in exchange therefor, 0.0325203 issued
               and fully paid and non-assessable Vianet Share; and

                    (C) except as provided in Section 4.1, each holder of Common
               Shares  which  becomes  a holder  of  common  shares of Vianet in
               accordance with the Arrangement  shall be entered in the register
               of holders of common shares of Vianet.

                    (vii) Directors.  Until changed in accordance with the CBCA,
               there shall be a minimum of one director and a maximum of fifteen
               directors of the Amalgamated Corporation.  The first directors of
               the Amalgamated Corporation shall be:

<TABLE>
<CAPTION>
Name                                                    Address                  Resident Canadian(Yes or No)


<S>                                     <C>                                            <C>
Geoffrey Bennett                        18 Dyas Road,                                  Yes
                                        North York, Ontario
Keith Gilbert                           365 Bay Street                                 Yes
                                        10th Floor
                                        Toronto, Ontario
Jeremy Posner                           23 Be'er Sheva                                  No
                                        Jerusalem, Israel

</TABLE>


<PAGE>
               (viii)   Financial  Year  End.  Until  otherwise   determined  by
          resolution of the  directors,  the financial  year of the  Amalgamated
          Corporation shall end on the last day of December in each year.

               (ix) Effect of Amalgamation. On the date shown in the certificate
          of arrangement:

                    (A) the property of Develcon and Subco shall  continue to be
               the property of the Amalgamated Corporation;

                    (B) the Amalgamated  Corporation shall continue to be liable
               for the obligations of Develcon and Subco;

                    (C) an  existing  cause of  action,  claim or  liability  to
               prosecution relating to Develcon or Subco shall be unaffected;

                    (D) a civil, criminal or administrative action or proceeding
               pending by or against  Develcon or Subco may be  continued  to be
               prosecuted by or against the Amalgamated Corporation; and

                    (E) the  articles of  arrangement  shall be deemed to be the
               articles of  incorporation  of the Amalgamated  Corporation  and,
               except for the  purposes of  subsection  104(1) of the CBCA,  the
               certificate of arrangement is deemed to be the certificate of the
               Amalgamated Corporation;

               (x) Auditors. The auditors of the Amalgamated Corporation,  until
          the first annual meeting of  shareholders  shall be KPMG,  unless such
          auditors resign or are removed in accordance with the CBCA.

               (xi) Share Transfer Restrictions. The right to transfer shares in
          the  Amalgamated  Corporation  shall be  restricted  in that no shares
          shall be transferred without either:

                    (A)  the  consent  of  the  directors  of  the   Amalgamated
               Corporation  expressed by a resolution passed by the directors or
               by an instrument or  instruments  in writing signed by a majority
               of the  directors,  which  consent may be given  either  prior or
               subsequent to the time of transfer of such shares; or

                    (B) the consent of the holders of shares of the  Amalgamated
               Corporation  to which are  attached  at least  50.1% of the votes
               attaching to all shares of the  Amalgamated  Corporation  for the
               time being  outstanding  carrying  voting rights either under all
               circumstances or under some  circumstances that have occurred and
               are   continuing,   expressed  by   resolution   passed  by  such
               shareholders or by an instrument or instruments in writing signed
               by such shareholders,  which consent may be given either prior or
               subsequent to the time of transfer of such shares.

               (xii)  Private  Company.   The  number  of  shareholders  of  the
          Amalgamated   Corporation,   exclusive  of  persons  who  are  in  its
          employment  and exclusive of persons who,  having been formerly in the
          employment  of  the  Amalgamated  Corporation,  were,  while  in  that
          employment, and have continued after termination of that employment to
          be,  shareholders of the Amalgamated  Corporation  shall be limited to
          not more than 50, two or more persons who are joint registered holders
          of one or  more  shares  being  counted  as one  shareholder  and  any
          invitation  to  the  public  to  subscribe   for   securities  of  the
          Amalgamated Corporation shall be prohibited.

               (xiii)  Restrictions on Transfer of Vianet Shares. In addition to
          any  restrictions  imposed by applicable  laws,  holders of the Vianet
          Shares issued pursuant to Section  3.1(vi)(B) will only be entitled to
          sell, transfer or otherwise dispose of any of such Shares as follows:



<PAGE>
                    (A) twenty (20) percent of the Vianet  Shares issued to such
               holders  pursuant to the  Arrangement  may be sold,  transferred,
               assigned or  otherwise  disposed of from and after the  Effective
               Date;

                    (B) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               sixth month anniversary of the Effective Date;

                    (C) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               twelfth month anniversary of the Effective Date;

                    (D) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               eighteenth month anniversary of the Effective Date;

                    (E) an  additional  twenty (20) percent of the Vianet Shares
               issued to such holders  pursuant to the  Arrangement may be sold,
               transferred, assigned or otherwise disposed of from and after the
               twenty-fourth month anniversary of the Effective Date;

     provided,  however, that the foregoing  restrictions shall not apply to any
such holders  issued less than 8,000 Vianet Shares  pursuant to the  Arrangement
and accordingly,

                    (F) certificates  representing  Vianet Shares issued to each
               holder of common  shares of Develcon  under the  Arrangement,  as
               contemplated  by  Section  5.1,  shall be  issued  separately  to
               represent  the Vianet  Shares  issued to such holder which may be
               disposed of from and after the Effective Date (as contemplated by
               Section  3.1(b)(xiii)(A)  and from and after each of the  various
               anniversaries  of the Effective Date (as  contemplated by Section
               3.1(b)(xiii)(B)  through  (E)).  A legend  to  substantially  the
               following  effect  will be  placed on  certificates  representing
               Vianet  Shares  issued to such  holders  which are subject to the
               restrictions set out in Section 3.1(b)(xiii)(B) through (E):

     "THE SHARES  REPRESENTED BY THIS  CERTIFICATE ARE SUBJECT TO CERTAIN RESALE
RESTRICTIONS  RELATING TO THE PLAN OF  ARRANGEMENT  UNDER WHICH THEY WERE ISSUED
AND MAY NOT BE TRANSFERRED UNTIL [RELEVANT ANNIVERSARY OF EFFECTIVE DATE].

     THE PRESENCE OF THIS LEGEND MAY IMPAIR THE ABILITY OF THE HOLDER  HEREOF TO
EFFECT GOOD DELIVERY OF THE SECURITIES REPRESENTED HEREBY. A CERTIFICATE WITHOUT
A LEGEND MAY BE OBTAINED FROM THE REGISTRAR AND TRANSFER  AGENT OF THE SHARES IN
CONNECTION WITH A SALE OF THE SECURITIES  REPRESENTED  HEREBY FROM AND AFTER THE
DATE SPECIFIED IN THE  IMMEDIATELY  PRECEDING  PARAGRAPH OF THIS LEGEND (and any
additional legend required by applicable law); and

                    (G) Vianet may give stop transfer instructions to the Vianet
               Transfer  Agent with respect to the Vianet  Shares issued to such
               holders  pursuant  to  the  Arrangement  which  are  to be  sold,
               transferred,  assigned or otherwise  disposed of in contravention
               of the  restrictions set out in Section  3.1(b)(xiii)(B)  through
               (E).

          (c) Existing Options.  Each of the Existing Options will,  without any
     further action on the part of any holder of Existing  Options,  Develcon or
     Vianet,  be  converted  into a security of the same kind and nature  except
     that it shall  entitle the holder to purchase  that number of Vianet Shares
     which the holder would have received from Vianet under the  Arrangement had
     the holder  exercised its Existing  Options for Common  Shares  immediately
     before the  Effective  Date and the exercise  price for such Vianet  Shares
     shall be as are set out in Appendix I hereto. If the foregoing  calculation
     results  in the  Existing  Options  of a  holder  being  exercisable  for a
     fraction of a Common  Share,  then the number of Common  Shares  subject to
     such  conversion will be rounded down to the nearest whole number of Common
     Shares.  The Existing  Options as so converted will (without further action
     on the part of any  holder of  Existing  Options,  Develcon  or  Vianet) be
     further modified as necessary to effect such conversion; provided, however,
     the term, exercisability and all other terms and conditions of the Existing
     Options will otherwise be unchanged by the provisions of this paragraph and
     shall operate in accordance with their terms and the agreement, certificate
     or  other  evidence  of the  Existing  Options  will  represent  the  right
     described in this Plan of Arrangement.
<PAGE>
Article 4.  Rights of Dissent.

     4.1 Rights of Dissent.  Holders of Common  Shares  outstanding  immediately
before  the  cancellation  thereof  contemplated  by Section  3.1(b)(vi)(B)  may
exercise  rights of dissent with  respect to such shares  pursuant to and in the
manner set forth in section 190 of the CBCA and this  Section 4.1 in  connection
with the  Arrangement  and holders who duly  exercise such rights of dissent and
who:

          (a) are  ultimately  determined to be entitled to be paid "fair value"
     for their Common Shares under the CBCA shall be deemed to have  transferred
     such Common Shares to the Corporation  for  cancellation in accordance with
     the CBCA; and

          (b) are ultimately  determined not to be entitled,  for any reason, to
     be paid  "fair  value"  for  their  Common  Shares  shall be deemed to have
     participated  in the  Arrangement  on the same basis as any  non-dissenting
     holder of Common Shares and shall receive Vianet common shares on the basis
     determined  in  accordance  with Section  3.1(b)(vi)  above but in no event
     shall the Amalgamated  Corporation be required to recognize such persons as
     shareholders  of the Amalgamated  Corporation  from and after the Effective
     Date.

         Holders of Convertible  Debentures  outstanding  immediately before the
cancellation  thereof  contemplated by Section 3.1(a)(iv) may exercise rights of
dissent  with  respect to such  Convertible  Debentures  pursuant  to and in the
manner set forth in section  190 of the CBCA (as such  provision  would apply if
and to the extent that such holders were the holders of Common Shares that would
be issued to them after the conversion  contemplated by Section 3.1(a)) and this
Section 4.1 in  connection  with the  Arrangement  and holders who duly exercise
such rights of dissent and who:

          (c) are  ultimately  determined to be entitled to be paid "fair value"
     for their Convertible Debentures shall be entitled to receive as such "fair
     value",  the "fair value" of the Common  Shares into which the  Convertible
     Debentures of such holder would be converted pursuant to Section 3.1(a) but
     for this  Section  4.1(c)  and  shall be deemed  to have  transferred  such
     Convertible  Debentures to the Corporation  for  cancellation in accordance
     with the CBCA and the trust indenture relating thereto, as amended; and

          (d) are ultimately  determined not to be entitled,  for any reason, to
     be paid "fair value" for their  Convertible  Debentures  shall be deemed to
     have   participated   in  the   Arrangement   on  the  same  basis  as  any
     non-dissenting  holder of  Convertible  Debentures and shall receive Vianet
     Shares on the basis  determined in accordance with Section 3.1(a) above but
     in no event shall the Amalgamated Corporation be required to recognize such
     persons as Convertible Debentureholders of the Amalgamated Corporation from
     and after the Effective Date.

Article 5.  Certificate and Fractional Shares.

     5.1  Issuance  of  Certificates   Representing  Vianet  Shares.  After  the
Effective  Date,  certificates  and  instruments  formerly  representing  Common
Shares,  Existing  Options and Convertible  Debentures  shall represent only the
right to receive the certificates or other relevant  instrument (i.e.  option or
warrant)  representing  the Vianet Shares or options or warrants of Vianet which
the former  holder is  entitled  to  receive,  after  giving  effect to Sections
3.1(b)(vi) and 3.1(c),  subject to compliance with the requirements set forth in
this Section 5.1. As soon as practicable  after the Effective Date, Vianet shall
forward or cause to be  forwarded  to each  former  Securityholder  (other  than
holders of Common  Shares who have  exercised  their  dissent  rights)  and each
former  Convertible  Debentureholder at the address of such holder as it appears
in the relevant register of Develcon a letter of transmittal  containing,  among
other things,  instructions for obtaining  delivery of the certificates or other
relevant  instrument  representing  the Vianet  Shares or options or warrants of
Vianet which the former  holder is entitled to receive  pursuant to this Plan of
Arrangement.  Such former Securityholder or former Convertible  Debentureholder,


<PAGE>
as the case may be, shall be entitled to receive  certificates or other relevant
instrument representing the Vianet Shares or options or warrants of Vianet which
the former  holder is  entitled  to  receive,  after  giving  effect to Sections
3.1(b)(vi)  and (3.1)(c)  upon  delivering  the  certificate  or other  relevant
instrument formerly  representing such holder's Common Shares,  Existing Options
or  Debentures,  as the case may be, to Vianet's  Transfer  Agent or as Vianet's
Transfer  Agent may  otherwise  direct and in accordance  with the  instructions
contained  in the letter of  transmittal.  Such  certificate  or other  relevant
instrument formerly  representing such holder's Common Shares,  Existing Options
or  Convertible  Debentures,  as the case may be,  shall be  accompanied  by the
letter of  transmittal,  duly  completed,  and such other  documents as Vianet's
Transfer Agent may reasonably  require.  Vianet's  Transfer Agent shall register
the Vianet  Shares or options or warrants of Vianet,  as the case may be, in the
name of the  relevant  holder  or as  otherwise  instructed  in the  letters  of
transmittal,  and shall  deliver  such  Vianet  Shares or options or warrants of
Vianet,  as the case may be, as each such  holder may  direct in such  letter of
transmittal,  as soon as practicable after receipt by Vianet's Transfer Agent of
such documents.

     5.2 Distributions with Respect to Unsurrendered Certificates.  No dividends
or other distributions declared or made after the Effective Time with respect to
Vianet Shares with a record date after the  Effective  Time shall be paid to the
holder  of  any  unsurrendered  certificate  which,  immediately  prior  to  the
Effective  Time,  represented  outstanding  Common  Shares  that were  exchanged
pursuant to Section 3.1(b)(vi) hereof, and no cash payment in lieu of fractional
shares shall be paid to any such holder  pursuant to Section 5.3 hereof,  and no
interest will be earned or payable on these proceeds,  in each case,  unless and
until such  certificate  shall be  surrendered  in  accordance  with Section 5.1
hereof. Subject to applicable law and to Section 5.1 hereof, at the time of such
surrender of any such certificate (or, in the case of clause (iii) below, at the
appropriate  payment  date),  there  shall be paid to the  record  holder of the
certificates  representing whole Vianet Shares without interest,  (i) the amount
of any cash  payable in lieu of a fractional  Vianet  common share to which such
holder is entitled pursuant to Section 5.3 hereof,  (ii) the amount of dividends
or other  distributions  with a record date after the Effective Time theretofore
paid with respect to such whole Vianet Share,  and (iii) the amount of dividends
or other  distributions with a record date after the Effective Time but prior to
surrender  and a payment date  subsequent  to surrender  payable with respect to
such whole Vianet Share.

     5.3 No Fractional Shares. For greater certainty all fractional interests of
Vianet  Shares to be received by a holder of Common  Shares  pursuant to Section
3.1(b)(vi)  hereof  shall be  aggregated  and such  holder  shall be entitled to
receive that number of Vianet  Shares  rounded down to the nearest whole number.
No certificate or scrip  representing a fractional  Vianet Share shall be issued
to any holder of Common  Shares who would  otherwise  be  entitled  to receive a
fraction  of a Vianet  Share  pursuant  to  Section  3.1(b)(vi)  hereof and such
fractional  interest  shall not entitle the owner thereof to vote or to exercise
any rights as a security  holder of Vianet or the  Amalgamated  Corporation.  In
lieu of any such  fractional  securities,  each person  entitled to a fractional
interest in a Vianet Share will receive in lieu thereof from Vianet an amount of
cash (rounded to the nearest whole cent),  without  interest,  paid by Vianet by
cheque in Canadian  dollars equal to that obtained by multiplying  such fraction
by the quotient of 4 divided by 0.65.

     5.4 Lost  Certificates.  If any certificate or instrument which immediately
prior to the Effective Time  represented  outstanding  Common  Shares,  Existing
Options or Convertible  Debentures  that were exchanged  pursuant to Section 3.1
hereof has been lost,  stolen or  destroyed,  upon the making of an affidavit of
that  fact by the  person  claiming  such  certificate  to be  lost,  stolen  or
destroyed,  Vianet's Transfer Agent will issue in exchange for such lost, stolen
or destroyed certificate or instrument, a certificate or instrument representing
Vianet Shares (and any dividends or distributions  with respect thereto pursuant
to Section 5.2 hereof and any cash pursuant to Section 5.3 hereof) or options or
warrants  of  Vianet,  as the case may be,  deliverable  in  respect  thereof as
determined in accordance with Section 3.1 hereof.  When authorizing such payment
in exchange for any lost,  stolen or destroyed  certificate,  the Person to whom
certificates or instruments representing Vianet Shares or options or warrants of
Vianet, as the case may be, are to be issued shall, as a condition  precedent to
the issuance  thereof,  give a bond satisfactory to Vianet and Vianet's Transfer
Agent in such sum as Vianet may direct or otherwise  indemnify it or Vianet in a
manner  satisfactory to Vianet and Vianet's Transfer Agent,  acting  reasonably,
against any claim that may be made  against  Vianet or Vianet's  Transfer  Agent
with respect to the certificate or instrument  alleged to have been lost, stolen
or destroyed.

<PAGE>
     5.5   Extinguishment  of  Rights.   Any  certificate  or  instrument  which
immediately prior to the Effective Time represented  outstanding  Common Shares,
Convertible  Debenture  or Existing  Options  that were  exchanged  or converted
pursuant to Section 3.1 hereof and which has not been deposited,  with all other
instruments required by Section 5.1 hereof, on or prior to the tenth anniversary
of the Effective Date,  shall cease to represent a claim or interest of any kind
or nature as a  shareholder,  option holder or warrant  holder of Develcon or of
the  Amalgamated  Corporation  or  Vianet.  On such date,  the Vianet  Shares or
options  or  warrants  of  Vianet,  as the case  may be,  to  which  the  former
registered holder of the share certificate or Convertible  Debenture or Existing
Options referred to in the preceding  sentence was ultimately  entitled shall be
deemed  to have  been  surrendered  and  shall be  cancelled  together  with all
entitlements  to dividends,  distributions  and interests  thereon held for such
former registered holder for no consideration.

Article 6.  Amendment

     6.1 Plan of Arrangement Amendment. The parties to the Arrangement Agreement
reserve the right to amend, modify and/or supplement this Plan of Arrangement at
any time and from time to time provided that any such  amendment,  modification,
or supplement  must be contained in a written  document that is (i) agreed to in
writing by each of Develcon  and Vianet,  (ii) filed with the Court and, if made
following the Special Meeting or the Debentureholders Special Meeting,  approved
by the Court,  and (iii)  communicated  to the  Securityholders  and Convertible
Debentureholders  in the  manner  required  by the Court (if so  required).  Any
amendment,  modification  or  supplement  to  this  Plan of  Arrangement  may be
proposed by Develcon or Vianet at any time prior to or at the Special Meeting or
the  Debentureholders  Special Meeting (or written  resolution of the holders of
the Convertible  Debentures)  (provided that Vianet shall have consented thereto
in writing) with or without any other prior notice or  communication,  and if so
proposed  and accepted by the persons  voting at the Special  Meeting and at the
Debentureholders  Special  Meeting (or written  resolution of the holders of the
Convertible  Debenture) (other than as may be required under the Interim Order),
shall become part of this Plan of Arrangement  for all purposes.  Any amendment,
modification  or supplement to this Plan of Arrangement  that is approved by the
Court following the Special Meeting or the Debentureholders  Special Meeting (or
written  resolution  of the  holders  of the  Convertible  Debentures)  shall be
effective  only if it is consented to in writing by each of Develcon and Vianet.
Notwithstanding the foregoing, any amendment, modification or supplement to this
Plan of Arrangement  may be made following the Effective  Date  unilaterally  by
Vianet,  provided that it concerns a matter which, in the reasonable  opinion of
counsel to Vianet, is of an administrative nature required to better give effect
to  the   implementation  of  this  Plan  of  Arrangement  and  such  amendment,
modification  or supplement is not  materially  prejudicial  to the financial or
economic  interest of any holder of securities of Vianet or in  contravention of
the Final Order.

Article 7.  Further Assurances

     7.1 Other Documents and Instruments.  Notwithstanding that the transactions
or events set out herein  shall  occur and shall be deemed to occur in the order
set out in this Plan of Arrangement without any further act or formality, Vianet
and Develcon agree to make, do and execute,  or cause and cause to be made, done
and executed, all such further acts, deeds, agreements,  transfers,  assurances,
instruments  or documents as may  reasonably be required by any of them in order
further  to  document  or  evidence  any of the  transactions  or events set out
herein, including,  without limitation, any resolutions of directors authorizing
the issue, exchange,  transfer,  purchase for cancellation or donation of shares
and any share transfer powers evidencing the transfer of shares and any receipts
therefor.




<PAGE>
                                   APPENDIX C


                           SECURITYHOLDERS' RESOLUTION


RESOLVED THAT:

     1. The arrangement  (the  "Arrangement")  proposed by Develcon  Electronics
Ltd.  ("Develcon" or the "Corporation") under section 192 of the Canada Business
Corporations  Act on the terms and subject to the conditions set out in the Plan
of Arrangement attached as Appendix B to the Management  Information Circular of
the Corporation dated April 9, 1999 (the "Information  Circular"),  as such Plan
of Arrangement  has been or may be amended,  modified and/or  supplemented  from
time to time in accordance with its terms, be and is hereby authorized, approved
and adopted;

     2. The amended and restated arrangement  agreement made as of April 5, 1999
between  the  Corporation  and  Vianet  Technologies,   Inc.  (the  "Arrangement
Agreement"),  a copy of which Arrangement Agreement is attached as Appendix A to
the Information Circular, with such amendments, modifications and/or supplements
thereto  made in  accordance  with the terms  thereof as may be  approved by any
director or officer of Develcon,  such approval to be conclusively  evidenced by
the execution and delivery of such amendments, modifications and/or supplements,
be and is hereby confirmed, ratified and approved;

     3. Notwithstanding the passing of this resolution approving the Arrangement
or the approval of the Supreme Court of British Columbia, the board of directors
of Develcon is hereby  authorized  not to proceed  with the  Arrangement  and to
revoke this resolution at any time prior to the Arrangement  becoming  effective
without further notice to or approval of the  securityholders of the Corporation
and to determine not to proceed with the Arrangement; and

     4. Any  director or officer of Develcon is hereby  authorized  and directed
for and in the name of and on behalf of Develcon to execute,  whether  under the
corporate  seal of the  Corporation  or  otherwise,  and to  deliver,  all  such
documents,  agreements,  instruments  and  other  writings,  including,  without
limitation,  articles of arrangement  in prescribed  form, and to perform and do
all such other acts and things,  as in the  opinion of such  director or officer
may be necessary or desirable in order to implement the Arrangement or otherwise
to give effect to this resolution or the matters  contemplated hereby and by the
Arrangement Agreement.



<PAGE>
                                   APPENDIX D


                          DEBENTUREHOLDERS' RESOLUTION


WHEREAS:

     A. Develcon Electronics Ltd. ("Develcon" or the "Corporation") has proposed
an  arrangement  (the  "Arrangement")  under section 192 of the Canada  Business
Corporations  Act on the terms and subject to the conditions set out in the Plan
of Arrangement attached as Appendix B to the Management  Information Circular of
Develcon dated April 9, 1999 (the "Information Circular"); and

     B. The  undersigned  holders of convertible  debentures of the  Corporation
(the "Convertible  Debentures")  desire to approve the Arrangement,  pursuant to
the terms of the interim order of the Supreme Court of British  Columbia  issued
on April 9, 1999;

RESOLVED THAT:

     1. The  Arrangement  on the  terms  and  conditions  set out in the Plan of
Arrangement,  as such Plan of Arrangement  has been or may be amended,  modified
and/or  supplemented  from time to time in accordance  with its terms, be and is
hereby authorized, approved and adopted;

     2. The amended and restated arrangement  agreement made as of April 5, 1999
between  the  Corporation  and  Vianet  Technologies,   Inc.  (the  "Arrangement
Agreement"),  a copy of which Arrangement Agreement is attached as Appendix A to
the Information Circular, with such amendments, modifications and/or supplements
thereto  made in  accordance  with the terms  thereof as may be  approved by any
director or officer of Develcon,  such approval to be conclusively  evidenced by
the execution and delivery of such amendments, modifications and/or supplements,
be and is hereby confirmed, ratified and approved;

     3. Notwithstanding the passing of this resolution approving the Arrangement
or the approval of the Supreme Court of British Columbia, the board of directors
of Develcon is hereby  authorized  not to proceed  with the  Arrangement  and to
revoke this resolution at any time prior to the Arrangement  becoming  effective
without  further notice to or approval of the holders of Convertible  Debentures
and to determine not to proceed with the Arrangement;

     4. Any  director or officer of Develcon is hereby  authorized  and directed
for and in the name of and on behalf of Develcon to execute,  whether  under the
corporate  seal of the  Corporation  or  otherwise,  and to  deliver,  all  such
documents,  agreements,  instruments  and  other  writings,  including,  without
limitation,  articles of arrangement  in prescribed  form, and to perform and do
all such other acts and things,  as in the  opinion of such  director or officer
may be necessary or desirable in order to implement the Arrangement or otherwise
to give effect to this resolution or the matters  contemplated hereby and by the
Arrangement Agreement; and

     5. This  resolution may not be revoked,  repealed or amended by the holders
of the Convertible Debentures and the provisions of the trust indenture dated as
of November 15, 1996, as amended,  between the  Corporation  and Montreal  Trust
Company  of  Canada,  as  trustee,  providing  for the issue of the  Convertible
Debentures which confer upon the holders of Convertible  Debentures the power to
amend,  alter or repeal any  Extraordinary  Resolution (as defined in such trust
indenture)   previously  passed  or  approved  by  the  holders  of  Convertible
Debentures  are hereby amended to provide that no such power may be exercised in
respect of this resolution.






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