AT&T CORP
SC 13D, 1999-08-27
TELEPHONE COMMUNICATIONS (NO RADIOTELEPHONE)
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                      -SECURITIES AND EXCHANGE COMMISSION-
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934
                        (Amendment No. _______________)*

                    Rogers Cantel Mobile Communications Inc.
                                (Name of Issuer)

                        Class B Restricted Voting Shares
                         (Title of Class of Securities)

                                    775102205
                                 (CUSIP Number)

               Fasken Campbell Godfrey, c/o George C. Glover, Jr.
                Suite 4200, Toronto Dominion Bank Tower, Box 20,
                Toronto-Dominion Centre, Toronto, Canada M5K 1N6
                                 (416) 366-8381
       (Name, Address and Telephone Number of Person Authorized to Receive
                           Notices and Communications)
                                 August 16, 1999
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of ss.ss.240.113d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box.

NOTE:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule,  including all exhibits.  See  ss.240.13d-7(b) for other
parties to whom copies are to be sent.

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

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

<PAGE>
<TABLE>
<S>                                                              <C>
- ------------------------------------------------                  --------------------------------------------------
CUSIP No. 775102205                              13D              Page   1  of     18  Pages
                                                                       -----    -------
- ------------------------------------------------                  --------------------------------------------------


- ------------------ ---------------------------------------------------------------------------------------------------------------
<S>               <C>

       1)          Names of Reporting Persons I.R.S. Identification Nos. of Above Persons (entities only)
                         JVII
                         AT&T Canada Investments Inc.
                         BT (Netherlands) 1 B.V. which acts on behalf of and for the account of BT Longmont
                                  (Luxembourg) IV SARL, a company under formation
                         AT&T Corp.
                         British Telecommunications plc
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       2)          Check the Appropriate Box if a Member of a Group  (See Instructions)
                         (a)      X
                         (b)
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       3)          SEC Use Only
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       4)          Source of Funds (See Instructions)
                   WC, OO
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       5)          Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e)
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       6)          Citizenship or Place of Organization
                         JVII - Delaware
                         AT&T Canada Investments Inc. - Delaware
                         BT (Netherlands) 1 B.V. which acts on behalf of and for the account of BT Longmont (Luxembourg) IV SARL,
                         a company under formation - Netherlands
                         AT&T Corp. - New York
                         British Telecommunications plc - England and Wales
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ---------------------------- ------- ---------------------------------------------------------------------------------------------
                             (7)     Sole Voting Power:

                                         12,313,435  Class A  Multiple  Voting Shares  (convertible on a 1 for 1  basis into Class B
                                         Restricted Voting Shares)

          Number                         15,334,453  Convertible Preference  Shares, Series A (convertible, after August 16, 2000,
            of                           on a 1 for 1 basis into Class A Multiple Voting Shares, which are, in turn, convertible
          Shares                         on a 1 for 1 basis into Class B Restricted Voting Shares)
       Beneficially
         Owned by                        1,043,171 Class B Restricted Voting Shares (acquired on conversion of warrants previously
           Each                          issued to a wholly-owned subsidiary of AT&T Corp. and contributed to JVII)
         Reporting
          Person                         with 12,443,324  Convertible Preference Shares,  Series B  (convertible,  after August  16,
                                         2000,  on a 1 for 1  basis into Class B Restricted Voting Shares)

                                         Assuming  conversion of all shares held into Class B Restricted  Voting Shares, the  number
                                         of shares described above will total  41,134,383 Class  B  Restricted Voting Shares
                             ------- ---------------------------------------------------------------------------------------------
                             ------- ---------------------------------------------------------------------------------------------
                             (8)     Shared Voting Power:
                                           None
                             ------- ---------------------------------------------------------------------------------------------
                             ------- ---------------------------------------------------------------------------------------------
                             (9)     Sole Dispositive Power:
                                         12,313,435   Class  A  Multiple  Voting
                                         Shares  (convertible on a 1 for 1 basis
                                         into Class B Restricted Voting Shares)

                                         15,334,453    Convertible    Preference
                                         Shares,  Series A  (convertible,  after
                                         August  16,  2000,  on a 1 for 1  basis
                                         into  Class A Multiple  Voting  Shares,
                                         which are, in turn,  convertible on a 1
                                         for 1 basis  into  Class  B  Restricted
                                         Voting Shares)

                                         1,043,171  Class  B  Restricted  Voting
                                         Shares   (acquired   on   exercise   of
                                         warrants   previously   issued   to   a
                                         wholly-owned  subsidiary  of AT&T Corp.
                                         and contributed to JVII)

                                         12,443,324    Convertible    Preference
                                         Shares,  Series B  (convertible,  after
                                         August  16,  2000,  on a 1 for 1  basis
                                         into Class B Restricted Voting Shares)

                                         Assuming  conversion of all shares held
                                         into Class B Restricted  Voting Shares,
                                         the  number of shares  described  above
                                         will   total    41,134,383    Class   B
                                         Restricted Voting Shares
                             ------- ---------------------------------------------------------------------------------------------
                             ------- ---------------------------------------------------------------------------------------------
                             (10)    Shared Dispositive Power:
                                           None
- ---------------------------- ------- ---------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       11)         Aggregate Amount Beneficially Owned by Each Reporting Person
                       12,313,435 Class A Multiple Voting Shares (convertible on
                       a 1 for 1 basis into Class B Restricted Voting Shares)

                       15,334,453   Convertible   Preference  Shares,  Series  A
                       (convertible,  after August 16, 2000,  on a 1 for 1 basis
                       into Class A Multiple Voting Shares,  which are, in turn,
                       convertible  on a 1 for 1 basis into  Class B  Restricted
                       Voting Shares)

                       1,043,171 Class B Restricted  Voting Shares  (acquired on
                       exercise of warrants  previously issued to a wholly-owned
                       subsidiary of AT&T Corp. and contributed to JVII)

                       12,443,324   Convertible   Preference  Shares,  Series  B
                       (convertible,  after August 16, 2000,  on a 1 for 1 basis
                       into Class B Restricted Voting Shares)

                       Assuming  conversion  of all  shares  held  into  Class B
                       Restricted Voting Shares,  the number of shares described
                       above will total  41,134,383  Class B  Restricted  Voting
                       Shares
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       12)         Check if the Aggregate Amount in Row (11) Excludes Certain Shares
                   (See Instructions)
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       13)                Percent  of Class  Represented  by  Amount in Row (11)
                          16.4%  of  Class  A  Multiple  Voting  Shares  100% of
                          Convertible  Preferred Shares, Series A 5.09% of Class
                          B  Restricted   Voting  Shares  100%  of   Convertible
                          Preference Shares, Series B

                          Assuming  conversion  of all Class A  Multiple  Voting
                          Shares and the Series A and B  Convertible  Preference
                          Shares into Class B Restricted Voting Shares, 33.3% of
                          the  Class  B  Restricted   Voting   Shares  would  be
                          represented by the amount in Row (11)
- ------------------ ---------------------------------------------------------------------------------------------------------------
- ------------------ ---------------------------------------------------------------------------------------------------------------
       14)                Type of Reporting Person (See Instructions) JVII - PN
                          All others - CO
- ------------------ ---------------------------------------------------------------------------------------------------------------
</TABLE>
<PAGE>



Item 1              Security and Issuer.


                    The  title   of the classes   of equity  securities to which
                    this  statement  relates  is:

                    12,313,435  Class  A  Multiple  Voting  Shares
                    15,334,453   Convertible  Preference  Shares,  Series  A
                    1,043,171  Class  B  Restricted  Voting  Shares
                    12,443,324  Convertible Preference  Shares,  Series  B
                    (collectively,  the  "Purchased Shares") of Rogers Cantel
                    Mobile Communications Inc. (the "Issuer").


                    The name of the Issuer and the address of its principal
                    executive offices are:

                             Rogers Cantel Mobile Communications Inc.
                             333 Bloor Street East, 10th Floor
                             Toronto, Ontario
                             Canada
                             M4W 1G9

Item 2              Identity and Background.


                    (a) - (c) and (f):


                    JVII is a general  partnership  organized and existing under
                    the laws of Delaware. The principal business address of JVII
                    is c/o Fasken Campbell Godfrey, Suite 4200, Toronto Dominion
                    Bank Tower, Box 20, Toronto-Dominion Centre, Toronto, Canada
                    M5K 1N6.  The  principal  business  of JVII is to serve as a
                    holding  entity for  investing  in the Issuer.  Each of AT&T
                    Canada   Investments  Inc.  ("AT&T   Investments")   and  BT
                    (Netherlands)  1 B.V.  ("BT  Investments"),  (which  acts on
                    behalf of and for the account of BT Longmont (Luxembourg) IV
                    SARL, a Luxembourg corporation under formation),  owns a 50%
                    interest in JVII.  AT&T  Investments  and BT Investments are
                    ultimately  controlled  by AT&T Corp.  ("AT&T")  and British
                    Telecommunications plc ("BT"), respectively.


                    AT&T  Investments  is a  corporation  organized and existing
                    under  the laws of  Delaware  and has a  principal  business
                    address of 412 Mount Kemble Avenue,  Morristown,  New Jersey
                    07962.  The  principal  business of AT&T  Investments  is to
                    serve as a single purpose holding company.


                    BT Investments is a corporation organized and existing under
                    the laws of the  Netherlands  and has a  principal  business
                    address   of   Overschiestraat   65   1062   XD   Amsterdam,
                    Netherlands.  The principal business of BT Investments is to
                    serve as a single purpose holding company. The sole director
                    of BT  Investments  is BT  (Netherlands)  Holdings  B.V.,  a
                    corporation  organized  and  existing  under the laws of the
                    Netherlands   with   a   principal   business   address   of
                    Overschiestraat 65, 1062 XD Amsterdam, Netherlands.


                    AT&T is a corporation  organized and existing under the laws
                    of New York.  The principal  address of AT&T is 32 Avenue of
                    the  Americas,  New  York,  New York  10013-2412.  AT&T is a
                    communications   company   which   provides   domestic  long
                    distance,  international long distance,  regional, local and
                    wireless  telecommunications  services, cable television and
                    internet communications transmission services.


                    BT is a corporation organized and existing under the laws of
                    England and Wales. The principal address of BT is 81 Newgate
                    Street,    London,    England,    EC1A   7AJ.    BT   is   a
                    telecommunications  company whose principal  activity is the
                    supply   of   local,   long   distance   and   international
                    telecommunications  services  and  equipment  in the  United
                    Kingdom.


                    Set forth below is information concerning the name, business
                    address,  and present principal  occupation or employment of
                    all of the present executive  officers and directors of AT&T
                    Investments,  AT&T and BT. JVII  presently has no directors,
                    executive   officers  or  management  board  members.   Also
                    provided  are the  names  of each  person  controlling  such
                    corporations,   if  any,  and  each  executive  officer  and
                    director of any  corporation  or other person  ultimately in
                    control of such corporation, if any.
<TABLE>
               <S>                           <C>                                 <C>
                                                                                  Present and Principal
                 Name                         Business Address                    Occupation or Employment

                 AT&T Investments Directors
                 Steve Garfinkel              32 Avenue of the Americas           Senior Attorney, AT&T Corp.
                                              New York, New York
                                              10013-2412
                 Errol A. Harris              32 Avenue of the Americas           Assistant Treasurer,
                                              New York, New York                  AT&T Corp.
                                              10013-2412
                 Lawrence R. Kurland          32 Avenue of the Americas           General Attorney, AT&T Corp.
                                              New York, New York
                                              10013-2412
                 AT&T Investments Officers
                 Steve Garfinkel              32 Avenue of the Americas           Senior Attorney AT&T Corp.
                                              New York, New York
                                              10013-2412
                 Michael Berg                 32 Avenue of the Americas           General Attorney,
                                              New York, New York                  AT&T Corp.
                                              10013-2412
                 AT&T Directors
                 C. Michael Armstrong         32 Avenue of the Americas           Chairman of the Board and
                                              New York, New York                  Chief Executive Officer of
                                              10013-2412                          AT&T
                 Kenneth J. Derr              32 Avenue of the Americas           Chairman and Chief
                                              New York, New York                  Executive Officer,
                                              10013-2412                          Chevron Corporation
                 George M.C. Fisher           32 Avenue of the Americas           Chairman and Chief
                                              New York, New York                  Executive Officer,
                                              10013-2412                          Eastman Kodak Company
                 John C. Malone               32 Avenue of the Americas           Chief Executive Officer,
                                              New York, New York                  Liberty Media Group
                                              10013-2412
                 Thomas H. Wyman              32 Avenue of the Americas           Former Chairman and
                                              New York, New York                  Chief Executive Officer,
                                              10013-2412                          CBS Inc.
                 Donald V. Fites              32 Avenue of the Americas           Retired Chairman and Chief
                                              New York, New York                  Executive Officer,
                                              10013-2412                          Caterpillar Inc.
                 Donald F. McHenry            32 Avenue of the Americas           President, IRC Group, LLC
                                              New York, New York
                                              10013-2412
                 John D. Zeglis               32 Avenue of the Americas           President of AT&T
                                              New York, New York
                                              10013-2412
                 M. Kathryn Eickhoff          32 Avenue of the Americas           President,
                                              New York, New York                  Eickhoff Economics Inc.
                                              10013-2412
                 Ralph S. Larsen              32 Avenue of the Americas           Chairman and Chief
                                              New York, New York                  Executive Officer,
                                              10013-2412                          Johnson & Johnson
                 Michael I. Sovern            32 Avenue of the Americas           President Emeritus and Chancellor
                                              New York, New York                  Kent Professor of Law at Columbia
                                              10013-2412                          University
                 Walter Y. Elisha             32 Avenue of the Americas           Retired Chairman and Chief
                                              New York, New York                  Executive Officer,
                                              10013-2412                          Springs Industries Inc.
                 Sanford I. Weill             32 Avenue of the Americas           Chairman and Co-Chief
                                              New York, New York                  Executive Officer,
                                              10013-2412                          Citigroup Inc.
                 Amos B. Hostetter, Jr.       32 Avenue of the Americas           Chairman, Pilot House
                                              New York, New York                  Associates
                                              10013-2412
                 AT&T Executive Officers
                 Leo J. Hindery, Jr.          32 Avenue of the Americas           President AT&T
                                              New York, New York                  Broadband and Internet Services
                                              10013-2412
                 John C. Petrillo             32 Avenue of the Americas           Executive Vice President
                                              New York, New York                  Corporate Strategy and
                                              10013-2412                          Business Development
                 Nicholas S. Cyprus           32 Avenue of the Americas           Vice President and
                                              New York, New York                  Controller
                                              10013-2412
                 Harold W. Burlingame         32 Avenue of the Americas           Executive Vice President, Merger and
                                              New York, New York                  Joint-Venture Integration
                                              10013-2412
                 Frank Ianna                  32 Avenue of the Americas           President AT&T
                                              New York, New York                  Network Services
                                              10013-2412
                 Richard R. Roscitt           32 Avenue of the Americas           President
                                              New York, New York                  AT&T Solutions
                                              10013-2412
                 Edward M. Dwyer              32 Avenue of the Americas           Vice President and
                                              New York, New York                  Treasurer
                                              10013-2412
                 James W. Cicconi             32 Avenue of the Americas           General Counsel and
                                              New York, New York                  Executive Vice President
                                              10013-2412                          Law and Government Affairs
                 Michael G. Keith             32 Avenue of the Americas           President AT&T
                                              New York, New York                  Business Services
                                              10013-2412
                 Marilyn J. Wasser            32 Avenue of the Americas           Vice President Law and Secretary
                                              New York, New York
                                              10013-2412
                 Mirian M. Graddick           32 Avenue of the Americas           Executive Vice President Human Resources
                                              New York, New York
                                              10013-2412
                 H. Eugene Lockhart           32 Avenue of the Americas           Vice President, AT&T Consumer Services
                                              New York, New York
                                              10013-2412
                 Daniel E. Somers             32 Avenue of the Americas           Senior Executive Vice President and
                                              New York, New York                  Chief Financial Officer
                                              10013-2412
                 Daniel R. Hesse              32 Avenue of the Americas           President AT&T Wireless Services
                                              New York, New York
                                              10013-2412
                 Richard J. Martin            32 Avenue of the Americas           Executive Vice President Public
                                              New York, New York                  Relations and Employee Communications
                                              10013-2412
                 David C. Nagel               32 Avenue of the Americas           Chief Technology Officer and President
                                              New York, New York                  AT&T Labs
                                              10013-2412
                 BT Directors
                      BT Executives
                 Sir Iain Vallance            81 Newgate Street                   Chairman of BT and Vice-Chairman of The
                                              London, England                     Royal Bank of Scotland
                                              EC1A 7AJ
                 Sir Peter Bonfield           81 Newgate Street                   Chief Executive of BT
                                              London, England
                                              EC1A 7AJ
                 Robert P. Brace              81 Newgate Street                   Group Finance Director of BT
                                              London, England
                                              EC1A 7AJ
                 Bill Cockburn                81 Newgate Street                   Group Managing Director of BT (U.K.)
                                              London, England
                                              EC1A 7AJ
                      BT Non-Executives
                 Lord Marshall of             81 Newgate Street                   Non-Executive Chairman of British
                 Knightsbridge                London, England                     Airways, Inchcape and Invensys and
                                              EC1A 7AJ                            Director of HSBC and the New York Stock
                                                                                  Exchange
                 Helen Alexander              81 Newgate Street                   Chief Executive of
                                              London, England                     The Economist Group
                                              EC1A 7AJ                            and Director of Northern Foods
                 Dr. Iain Anderson            81 Newgate Street                   Retired Strategy and
                                              London, England                     Technology Director
                                              EC1A 7AJ                            of Unilever
                 Neville Isdell               81 Newgate Street                   Chairman and Chief
                                              London, England                     Executive Officer of
                                              EC1A 7AJ                            Coca-Cola Beverages plc
                 Keith Oates                  81 Newgate Street                   Director of Guinness
                                              London, England
                                              EC1A 7AJ
                 Sir John Weston              81 Newgate Street                   Retired British Ambassador to the
                                              London, England                     United Nations and Director of Rolls
                                              EC1A 7AJ                            Royce plc
                 June de Moller               81 Newgate Street                   Director of Anglian Water, Cookson
                                              London, England                     Group and Lynx Group
                                              ECIA 7AJ

                      Other BT Officers
                 Colin R. Green               81 Newgate Street                   Group Commercial Director and Secretary
                                              London, England                     of BT
                                              EC1A 7AJ
</TABLE>

                    (d) - (e)


                    During the last five years,  none of the Reporting  Persons,
                    nor any of the persons listed above, has been convicted in a
                    criminal proceeding or been a party to a civil proceeding of
                    a judicial or administrative body of competent  jurisdiction
                    and  as a  result  of  such  proceeding  been  subject  to a
                    judgment,  decree or final order enjoining future violations
                    of, or  prohibiting  or  mandating  activities  subject  to,
                    Federal or State  securities  laws or finding any  violation
                    with respect to such laws.

Item 3.             Source and Amount of Funds or Other Consideration.


                    The aggregate  purchase  price of the  Purchased  Shares was
                    Cdn$1,391,165,056.40,  excluding  the  cost  of the  Class B
                    Restricted  Voting Shares  acquired on exercise of warrants.
                    These warrants were  exercised by a wholly-owned  subsidiary
                    of AT&T with the Class B Restricted  Voting Shares  acquired
                    thereby being contributed to JVII. Including the cost of the
                    Class B Restricted  Voting  Shares issued on exercise of the
                    warrants, the purchase price was  Cdn$1,427,363,090.00.  The
                    funds  used  by JVII in such  purchase  were  from  existing
                    available  working  capital of each of AT&T and BT which was
                    contributed indirectly,  as to 50% each, to JVII and none of
                    the   consideration  for  such  shares  was  represented  by
                    borrowed funds.

Item 4.             Purpose of Transaction.


                    The  purpose of the  transaction  is to provide  AT&T and BT
                    with a strategic  investment in the business and  operations
                    of the Issuer.  This investment provides AT&T and BT with an
                    enhanced position in the Canadian mobile  telecommunications
                    market.

                    The Purchased Shares will represent,  in total, 30.6% of the
                    Class A Multiple Voting Shares (following  conversion of the
                    Convertible  Preference  Shares,  Series A) and 40.9% of the
                    Class B Restricted  Voting Shares  (following  conversion of
                    the Convertible Preference Shares, Series B). If the Class A
                    Multiple   Voting  Shares  were   converted   into  Class  B
                    Restricted   Voting  Shares,   the  Purchased  Shares  would
                    represent  33.3% of the Class B  Restricted  Voting  Shares.
                    Since the Class A Multiple  Voting  Shares have 10 votes per
                    share while Class B Restricted  Voting  Shares have only one
                    vote,  but  they  are  equal  in  relation  to  equity,   on
                    conversion of all Convertible  Preference  Shares,  Series A
                    and B the shares  held be JVII would  represent a 31% voting
                    interest and 33.3% equity interest in the Issuer.

                    Prior to the conversion of any shares,  the Purchased Shares
                    represent  5.09% of the Class B  Restricted  Voting  Shares,
                    16.4% of the Class A Multiple Voting Shares and 100% of both
                    series of Convertible Preference Shares.  Accordingly,  JVII
                    holds,  prior to conversion,  14.0% of the aggregate Class A
                    Multiple Voting Shares and Class B Restricted  Voting Shares
                    which,  collectively,  carry 16.1% of the votes attaching to
                    all Class A Multiple  Voting  Shares and Class B  Restricted
                    Voting Shares.


                    Through  indirect,  wholly-owned  subsidiaries  (being  AT&T
                    Investments  and BT Investments,  respectively)  AT&T and BT
                    each  have  acquired  a 50%  interest  in JVII.  Thus,  this
                    transaction  has  provided  each  of  AT&T  and BT  with  an
                    indirect    interest    in    the    Issuer.    Under    the
                    Telecommunications   Act  of   Canada,   non-Canadians   can
                    beneficially  own and  control  no more  than  33.3%  of the
                    issued  and   outstanding   voting   shares  of  a  Canadian
                    telecommunications holding company, such as the Issuer. This
                    provision  prevents JVII from acquiring any material  amount
                    of additional voting securities of the Issuer at this time.

                    As part  of the  terms  of the  Shareholders  Agreement  (as
                    defined  in Item 6,  below),  AT&T  and BT are  entitled  to
                    certain  governance  rights  which  include  the  ability to
                    nominate representatives to the Issuer's board of directors.
                    The  governance  and  nomination  rights  are  discussed  in
                    greater detail in Item 6, below.


                    Except as set forth herein,  the  Reporting  Persons have no
                    present plans or intentions  which would result in or relate
                    to any of  the  transactions  required  to be  described  in
                    subparagraphs  (a) through (c) and (e) through (j) of Item 4
                    of Schedule 13D.

Item 5.             Interest in Securities of the Issuer.

                    (a)    The aggregate  number and  percentage of the Issuer's
                           securities  to which this  Schedule 13D relates is as
                           follows:
<TABLE>
<CAPTION>
                                     Title of Class                      Amount of Beneficial        Percentage of Class
                                                                               Ownership
                    <S>                                                  <C>                               <C>
                    Class A Multiple Voting Shares                           12,313,435(1)                  16.4%
                    Convertible Preference Shares, Series A                  15,334,453(2)                   100%
                    Class B Restricted Voting Shares                         1,043,171(3)                   5.09%
                    Convertible Preference Shares, Series B                12,443,324(4),(5)                 100%
                    Notes:
</TABLE>

                    (1)  Each Class A Multiple  Voting  Share is  entitled to 10
                         votes per share and is  convertible,  at any time, into
                         Class B Restricted Voting Shares on a 1 for 1 basis.
                    (2)  Convertible    Preference   Shares,   Series   A,   are
                         convertible  at any time on or after  August  16,  2000
                         into Class A  Multiple  Voting  Shares at a  conversion
                         rate of 1 for 1.
                    (3)  Each Class B  Restricted Voting Share  is entitled to 1
                         vote per share.
                    (4)  Convertible    Preference   Shares,   Series   B,   are
                         convertible  at any time on or after  August  16,  2000
                         into Class B Restricted  Voting  Shares at a conversion
                         rate of 1 for 1.
                    (5)  Following full conversion of the other Purchased Shares
                         into Class B Restricted  Voting Shares,  JVII will hold
                         41,134,383  Class B  Restricted  Voting  Shares,  being
                         33.3% of the class.
                    (b)    JVII has the sole  power to vote or  direct  the vote
                           and the  sole  power  to  dispose  or to  direct  the
                           disposition of the Purchased Shares,  save and except
                           such limitations as are imposed by the Right of First
                           Negotiation,  as  defined  and  discussed  in Item 6,
                           below.

                    (c)    The  transaction  described  in  Item 4 is  the  only
                           transaction  effected  during  the last sixty days by
                           JVII or any  person or  corporation  named in Item 2,
                           above, for the securities identified in this Item 5.

                    (d)    No person is known by the  filing  person to have the
                           right to receive  or the power to direct the  receipt
                           of dividends  from, or the proceeds from the sale of,
                           the Issuer's securities identified in this Item 5.


                    (e) Not applicable.

Item 6.             Contracts, Arrangements, Understandings or Relationships
                    With Respect to Securities of the Issuer.


                    Shareholders Agreement


                    JVII has  entered  into a  shareholders  agreement  with the
                    Issuer and Rogers  Communications  Inc.  ("RCI") dated as of
                    August  16,  1999  (the  "Shareholders   Agreement").   This
                    Shareholders Agreement contains certain terms and provisions
                    which  govern the ability of JVII and RCI (the  "Shareholder
                    Parties") to transfer the shares held by them in the Issuer.
                    In general,  the  Shareholders  Agreement  provides that the
                    Shareholder Parties shall not transfer any securities of the
                    Issuer except in accordance with the Shareholders Agreement.
                    Specifically,  the Shareholders Agreement provides JVII with
                    a right of first  negotiation  in the  event  RCI  wishes to
                    transfer  or  sell  any of  its  securities  in the  Issuer,
                    subject to certain  exceptions.  A reciprocal right of first
                    negotiation  applies in the event JVII wishes to transfer or
                    sell any of its securities held in the Issuer, provided that
                    RCI  holds  20%  of  the   equity   shares  of  the   Issuer
                    (collectively,  the negotiation rights of JVII and RCI being
                    referred to as the "Right of First Negotiation").  The Right
                    of First Negotiation  requires the party wishing to transfer
                    securities  in  the  Issuer  to  negotiate  with  the  other
                    Shareholder  Party.  Where an unsolicited  offer to purchase
                    securities in the Issuer is received by RCI which RCI wishes
                    to accept,  RCI is required to offer such securities to JVII
                    on the same  terms and  conditions  as  offered by the third
                    party.


                    The  Shareholders  Agreement also provides rights to JVII in
                    the  event  of  the  acquisition  of  control  of  RCI  by a
                    designated  material competitor of AT&T (as specified in the
                    Shareholders    Agreement)   (the   "Shotgun").    In   such
                    circumstances,  the Shotgun  provides  that either of RCI or
                    JVII  shall have the right to offer to  purchase  all of the
                    securities  of the  Issuer  held  by the  other  Shareholder
                    Party.  Where such offer is rejected,  the  recipient of the
                    offer  is  deemed  to have  agreed  to  purchase  all of the
                    securities of the Issuer of the other Shareholder Party.


                    JVII is  granted  a  pre-emptive  right in the  Shareholders
                    Agreement   which   provides   that,   subject   to  certain
                    exceptions,  if the Issuer or any of its subsidiaries issues
                    any  equity  shares or  convertible  securities,  the Issuer
                    shall,  or shall cause its  subsidiary to, offer to JVII the
                    right to subscribe and purchase such  additional  securities
                    as  required  for JVII to  maintain  its  voting  and equity
                    interest in the Issuer. RCI has a corresponding  pre-emptive
                    right.


                    The  Shareholders  Agreement  provides  JVII  the  right  to
                    nominate four  representatives  to the board of directors of
                    the Issuer.  The number of directors  on the Issuer's  board
                    will  remain at 16. JVII shall also have the right to select
                    two of its  nominees  to be  appointed  to each of the audit
                    committee and the executive  committee,  one of its nominees
                    to each of the compensation  committee and pension committee
                    and two of its nominees to each other standing  committee of
                    the Issuer's board of directors as established  from time to
                    time. In addition, JVII shall have the right to nominate any
                    new  individual  who is  proposed  as the  Chief  Technology
                    Officer of the Issuer. Unless the Shareholders  Agreement is
                    terminated,  however, JVII is prohibited from exercising the
                    voting  rights  attached  to the Class B  Restricted  Voting
                    Shares of the  Issuer in respect  of the  election  of three
                    nominees of the holders of such shares as  directors  of the
                    Issuer.


                    As  part  of  the   governance   rights  granted  under  the
                    Shareholders  Agreement,  JVII  is  provided  the  right  to
                    approve  certain  amalgamations,  mergers or other  proposed
                    business  combinations  of the Issuer with any third  party.
                    Additionally,  JVII's  written  approval is  required  for a
                    number of actions  including,  generally,  decisions  by the
                    Issuer to transfer all or  substantially  all of its assets,
                    amend  its  charter   documents  or  change  its   business,
                    decisions to issue equity securities, decisions to create or
                    assume any  borrowing or issue debt  securities or decisions
                    to  grant  any  other  person  voting  rights  or  board  of
                    directors rights superior to those granted to JVII.


                    The Shareholders  Agreement is attached as Exhibit A to this
Schedule 13D.

                    Registration Rights Agreement


                    JVII and the Issuer have entered into a registration  rights
                    agreement  dated as of August  16,  1999 (the  "Registration
                    Rights  Agreement").  This document provides that so long as
                    JVII  holds  at  least  10%  of  the  outstanding   Class  B
                    Restricted  Voting  Shares of the Issuer  held by JVII as of
                    the date of the  agreement,  JVII shall be  entitled  to the
                    benefit of certain covenants of the Issuer.  These covenants
                    include the requirement  that the Issuer will provide notice
                    to JVII if it intends to make a public  offering  of Class B
                    Restricted Voting Shares and that the Issuer will include in
                    such public  offering all of the Class B  Restricted  Voting
                    Shares specified by JVII.  Additionally,  subject to certain
                    limitations,  at any time after December 31, 1999,  JVII may
                    require the Issuer to use its reasonable  commercial efforts
                    to assist it in  making a public  offering  in Canada or the
                    United  States of all or a portion of the Class B Restricted
                    Voting Shares of the Issuer held by JVII.


                    The  Registration  Rights Agreement is attached as Exhibit C
                    to this Schedule 13D.

                    Framework Agreement


                    AT&T  and  BT  entered  into  a  framework   agreement  (the
                    "Framework Agreement") dated August 5, 1999 providing, among
                    other things,  for the formation of JVII,  the investment by
                    JVII  in  the  Issuer  and  the  relationship  between  AT&T
                    Investments and BT  Investments,  the partners of JVII. AT&T
                    and BT have agreed to  negotiate  definitive  agreements  to
                    replace the Framework Agreement.


                    BT and AT&T have agreed not to acquire  additional shares of
                    the  Issuer  other than  indirectly  through  JVII.  If JVII
                    obtains the right or opportunity to buy additional shares of
                    the Issuer, BT has an option to purchase  indirectly through
                    JVII up to the same percentage of shares in the Issuer as it
                    then  holds in JVI.  JVI was formed  contemporaneously  with
                    JVII by BT and AT&T affiliates to hold shares of AT&T Canada
                    Inc. and related entities. Currently BT holds 30% of JVI.


                    Pursuant to the Framework Agreement,  AT&T Investments has a
                    right to call,  and BT  Investments  has a right to put,  BT
                    Investments' interest in JVII, in certain circumstances.  If
                    AT&T  Investments  obtains  control  or the right to control
                    (collectively  "Controls") the Issuer,  BT Investments  will
                    acquire certain  additional put rights.  If AT&T Investments
                    Controls  the  Issuer,  in some cases  where BT  Investments
                    elects to put its JVII interest,  AT&T Investments may elect
                    to  either  purchase  BT   Investments'   JVII  interest  or
                    facilitate  a public  offering  of such JVII  interest or an
                    appropriate portion of the securities of the Issuer owned by
                    JVII.


                    JVII is  prohibited,  under the  Framework  Agreement,  from
                    issuing any new securities unless (i) both parties agree, or
                    (ii) subject to certain qualifications,  such issuance is at
                    fair  market  value and is for the sole  purpose  of raising
                    capital required by the Issuer,  and AT&T Investments and BT
                    Investments  have the right to acquire  their pro rata share
                    of such securities.


                    The Framework  Agreement  provides that AT&T Investments has
                    the right,  subject to certain  conditions,  to control  the
                    timing and  process of each  exercise  of the Right of First
                    Negotiation  and the Shotgun  pursuant  to the  Shareholders
                    Agreement and any other acquisition of shares of the Issuer.
                    BT Investments  has a right to put its JVII interest to AT&T
                    Investments if the exercise of any of the foregoing leads to
                    certain consequences.  The Framework Agreement also provides
                    a mechanism  for  triggering  or  responding  to the Shotgun
                    pursuant to the Shareholders Agreement.


                    Unless and until AT&T  Investments  Controls  the Issuer and
                    JVII,  AT&T  Investments  and BT  Investments  each have the
                    right to cause  JVII to  distribute  its  securities  in the
                    Issuer and to sell such  securities  to  persons  other than
                    designated material competitors, subject to a right of first
                    refusal  in favour of each  other.  At any time  after  AT&T
                    Investments  Controls the Issuer and JVII, BT has a right to
                    sell all or a portion  of its  interest  in JVII to  persons
                    other  than  designated  material  competitors  subject to a
                    right of first refusal in favour of AT&T Investments. At any
                    time after AT&T  Investments  Controls  the Issuer and JVII,
                    AT&T  Investments  has the right to sell all or a portion of
                    its  interest in JVII to any  person,  subject to a right of
                    first  offer  (if AT&T  Investments  is  selling  all of its
                    interest) or right of first refusal (if AT&T  Investments is
                    selling part of its  interest)  in favour of BT  Investments
                    and subject to drag-along and tag-along rights.


                    The  Framework  Agreement  sets out the manner in which JVII
                    will exercise  governance  rights with respect to the Issuer
                    afforded  to it in the  Shareholders  Agreement.  As long as
                    AT&T  Investments  and BT Investments  are equal partners in
                    JVII,  each of them can designate two of JVII's  nominees on
                    the board of  directors of the Issuer and either of them can
                    cause JVII to exercise  its  approval  right in respect of a
                    matter under the Shareholders  Agreement.  At any time after
                    AT&T  Investments  acquires Control of JVII, BT Investments'
                    governance  rights are reduced and may be further reduced by
                    AT&T  Investments  if BT Investments  falls below  specified
                    ownership  thresholds.  At any time after  AT&T  Investments
                    Controls  the  Issuer  and  JVII,  AT&T  Investments  and BT
                    Investments' right to designate JVII's nominees on the board
                    of  directors  of the  Issuer  will  be pro  rata  to  their
                    interests in JVII.


                    Unless and until AT&T  Investments  Controls the Issuer,  BT
                    Investments  and AT&T  Investments  shall  jointly  exercise
                    approval  rights  regarding  the  nomination  of  the  Chief
                    Technology  Officer  of  the  Issuer.  If  AT&T  Investments
                    Controls the Issuer and JVII, BT  Investments  will have the
                    right to  nominate  the Chief  Technology  Officer  or Chief
                    Financial  Officer of the Issuer at BT Investments'  option,
                    and one  other  mutually  agreeable  senior  officer  of the
                    Issuer, subject to AT&T Investment's approval.

Item 7.             Material to be Filed as Exhibits.


                    Exhibit A - Shareholders  Agreement  between JVII, RCI and
                    the Issuer dated August 16, 1999.

                    Exhibit B - Joint Filing  Agreement dated August 27, 1999
                    between JVII,  AT&T  Investments,  BT Investments, AT&T and
                    BT.

                    Exhibit C - Registration  Rights  Agreement dated August 16,
                    1999 between JVII and the Issuer.

<PAGE>

Signature.

         After reasonable  inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.

August 27, 1999

JVII

          /s/       Robert S. Feit
          -----------------------------
          By:       Robert S. Feit
          Title:    Assistant Secretary

          /s/       Cynthia S. Brown
          -----------------------------
          By:       Cynthia S. Brown
          Title:    Solicitor, Group Legal


AT&T Canada Investments Inc.

          /s/       Robert S. Feit
          -----------------------------
          By:       Robert S. Feit
          Title:    Assistant Secretary

<PAGE>

BT (Netherlands) 1 B.V. on behalf of and for
the account of BT Longmont (Luxembourg)
IV SARL

          /s/       Cynthia S. Brown
          -----------------------------
          By:       Cynthia S. Brown
          Title:    Solicitor, Group Legal


AT&T Corp.

          /s/       Robert S. Feit
          -----------------------------
          By:       Robert S. Feit
          Title:    Assistant Secretary


British Telecommunications plc

          /s/       Cynthia S. Brown
          -----------------------------
          By:       Cynthia S. Brown
          Title:    Solicitor, Group Legal


                                                                  EXECUTION COPY






                           ROGERS COMMUNICATIONS INC.

                                     - and -

                                JVII PARTNERSHIP

                                     - and -

                    ROGERS CANTEL MOBILE COMMUNICATIONS INC.


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


                             SHAREHOLDERS' AGREEMENT

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



                                 August 16, 1999

<PAGE>

ARTICLE 1. INTERPRETATION......................................................2

   1.1.  DEFINITIONS...........................................................2
   1.2.  SCHEDULES............................................................12
   1.3.  HEADINGS AND TABLE OF CONTENTS.......................................12
   1.4.  GENDER AND NUMBER....................................................13
   1.5.  CURRENCY.............................................................13
   1.6.  INVALIDITY OF PROVISIONS.............................................13
   1.7.  GENERALLY ACCEPTED ACCOUNTING PRINCIPLES.............................13
   1.8.  ENTIRE AGREEMENT.....................................................13
   1.9.  WAIVER, AMENDMENT....................................................13
   1.10.       GOVERNING LAW..................................................14
   1.11.       DEALING AT ARM'S LENGTH........................................14

ARTICLE 2. REPRESENTATIONS AND WARRANTIES.....................................14

   2.1.  REPRESENTATIONS AND WARRANTIES.......................................14

ARTICLE 3. GOVERNANCE RIGHTS..................................................15

   3.1.  GOVERNANCE RIGHTS....................................................15
   3.2.  CONSULTATION RIGHTS..................................................24
   3.3.  EXERCISE OF JV SHAREHOLDER VOTING RIGHTS.............................25
   3.4.  COOPERATION WITH RESPECT TO TAX EFFECTS..............................25
   3.5.  VETO BY JV SHAREHOLDER...............................................25
   3.6.  SURVIVAL.............................................................26

ARTICLE 4. ADDITIONAL COVENANTS...............................................26

   4.1.  ADDITIONAL COVENANTS OF RCI..........................................26
   4.2.  ADDITIONAL COVENANTS OF RCMCI........................................27
   4.3.  ADDITIONAL COVENANTS OF JV SHAREHOLDER...............................27
   4.4   TRANSFER OF INTERESTS IN JV SHAREHOLDER..............................28
   4.5   SURVIVAL.............................................................29

ARTICLE 5. GENERAL PROHIBITION ON TRANSFER OF SECURITIES......................29

   5.1.  GENERAL PROHIBITION ON TRANSFER OF SECURITIES........................29

ARTICLE 6. RIGHT OF FIRST NEGOTIATION.........................................29

<PAGE>

   6.1.  GRANT OF RIGHT OF FIRST NEGOTIATION..................................29

ARTICLE 7. SALE OF SHARES BY JV Shareholder...................................44

   7.1.  SALE OF CLASS A SHARES BY JV SHAREHOLDER.............................44
   7.2.  EXCEPTION............................................................47
   7.3.  SURVIVAL.............................................................48

ARTICLE 8. CHANGE OF CONTROL OF RCI...........................................48

   8.1.  APPLICATION OF ARTICLE 8.............................................48
   8.2   DEFINITIONS..........................................................49
   8.3   SIGNIFICANT INFLUENCE................................................52
   8.4   CHANGES TO SCHEDULE "B"..............................................53
   8.5   ACQUISITION OF CONTROL OF RCI BY A DESIGNATED
         MATERIAL COMPETITOR OF AT&T..........................................55
   8.6   SHOTGUN RIGHTS AT FMV PLUS 5%........................................56
   8.7   SHOTGUN RIGHTS AT ANY SPECIFIED PURCHASE PRICE
         PER SECURITY.........................................................57
   8.8   ACQUISITION OF CONTROL OF RCI BY A NON-DESIGNATED
         MATERIAL COMPETITOR OF AT&T..........................................59
   8.9   CHANGE OF STATUS OF NON-DESIGNATED MATERIAL
         COMPETITOR OF AT&T...................................................59
   8.10        FAIR MARKET VALUE PER SECURITY OF RCMCI........................60
   8.11        GENERAL........................................................63

ARTICLE 9. PRE-EMPTIVE RIGHT..................................................65

   9.1   PRE-EMPTIVE RIGHT OF JV SHAREHOLDER..................................65
   9.2   NON-APPLICABILITY OF PRE-EMPTIVE RIGHT...............................66
   9.3   PRE-EMPTIVE RIGHT OF RCI.............................................66

ARTICLE 10. CLOSING PROCEDURES................................................66

   10.1.       CLOSING PROCEDURES.............................................66

ARTICLE 11. ARBITRATION.......................................................68

   11.1.       MEDIATION AND ARBITRATION......................................68
   11.2.       INJUNCTIVE RELIEF..............................................69

ARTICLE 12. GENERAL PROVISIONS................................................69

   12.1.       TERM...........................................................69
   12.2.       TERMINATION NOT TO AFFECT RIGHTS OR OBLIGATIONS................71
   12.3.       NOTICES........................................................71
   12.4.       TIME LIMITS....................................................75
   12.5.       FURTHER ASSURANCES.............................................75

<PAGE>

   12.6.       COUNTERPARTS...................................................75
   12.7.       ENUREMENT......................................................75


                                    SCHEDULES


SCHEDULE "A"
         OWNERSHIP OF SECURITIES


SCHEDULE "B"
         LISTED MATERIAL COMPETITORS


SCHEDULE "C"
         PLEDGES OUTSTANDING


Schedule"D"
         CONFIDENTIALITY AGREEMENT

<PAGE>

                             SHAREHOLDERS' AGREEMENT


     THIS AGREEMENT is made as of the 16th day of August, 1999,

B E T W E E N:

     ROGERS  COMMUNICATIONS  INC., a corporation  incorporated under the laws of
     British Columbia

     (hereinafter called "RCI")



     - and -



     JVII PARTNERSHIP, a  general partnership formed  under the laws of Delaware

     (hereinafter called "JV Shareholder")



     - and -



     ROGERS CANTEL MOBILE COMMUNICATIONS INC., a corporation  incorporated under
     the laws of Canada

     (hereinafter called "RCMCI")

<PAGE>

RECITALS:

                  WHEREAS  90,468,259 Class A multiple voting shares (the "Class
A Shares")  and  31,310,160  Class B  restricted  voting  shares  (the  "Class B
Shares") of RCMCI are issued and outstanding;

                  AND  WHEREAS  the  Shareholders  are the legal and  beneficial
owners of all of the outstanding  Class A Shares and certain of the Shareholders
hold a portion of the outstanding Class B Shares;

                  AND WHEREAS the Shareholders and RCMCI wish to enter into this
Agreement to govern certain  aspects of their  relationship  as  shareholders of
RCMCI;

                  NOW  THEREFORE in  consideration  of the mutual  covenants and
agreements contained in this Agreement and other good and valuable consideration
(the receipt and  sufficiency  of which are hereby  acknowledged  by each of the
parties), the parties hereto agree as follows:

                                   ARTICLE 1.
                                 INTERPRETATION

1.1.     Definitions

         In this Agreement,

         "ACE" means  AT&T Canada  Enterprises  Company,  a company  amalgamated
         under the laws of Nova Scotia;

         "Affiliate" means a Person which, directly or indirectly,  Controls, is
         Controlled by or is under common Control with another  Person.  For the
         purposes of this definition, (i) "Control" (including, with correlative
         meanings,  the terms  "Controlled  by" and "under common Control with")
         means the  possession  of the  power,  in law or in fact,  to direct or
         cause the direction of the  management and policies of a corporation or
         other  Person,  whether  through  legal and  beneficial  ownership of a
         majority of Voting  Shares of such Person or voting  interests  in such
         Person if not a corporation, by agreement or otherwise; and (ii) each

<PAGE>

         of BT and its  Affiliates  and AT&T U.S.  and its  Affiliates  shall be
         deemed to be an Affiliate of JV Shareholder (and vice versa);  provided
         that BT and its Affiliates or AT&T U.S. and its Affiliates  shall cease
         to be deemed to be an  Affiliate  of JV  Shareholder  (and vice versa),
         respectively,  if they hold,  directly  or  indirectly  through  the JV
         Shareholder,  less  than  5% of  the  Equity  Shares  of  RCMCI  and JV
         Shareholder  shall provide written notice to the other Parties promptly
         after it has knowledge  that either BT and its  Affiliates or AT&T U.S.
         and its  Affiliates  have  ceased to be deemed to be  Affiliates  of JV
         Shareholder;

         "Agreement" means this agreement and all schedules, if any, attached to
         this  agreement,  in each case as they may be  supplemented  or amended
         from time to time, and the expressions  "hereof",  "herein",  "hereto",
         "hereunder",  "hereby" and similar expressions refer to this Agreement,
         and unless otherwise indicated, references to Articles and sections are
         to the specified Articles and sections in this Agreement;

         "AT&T U.S." means AT&T Corp., a corporation incorporated under the laws
         of the State of New York;

         "AWS" means  AT&T Wireless Services Inc., a wholly-owned  subsidiary of
         AT&T U.S.  incorporated  under the laws of the State of Delaware;

         "Board of Directors" means the board of directors of RCMCI;

         "Brand  Licence  Agreement"  means the revised brand licence  agreement
         dated  August  16,  1999  between  ACE and  Cantel,  as the same may be
         renewed or amended from time to time;

         "Broadcasting  Act"  means the  Broadcasting  Act  (Canada) as the same
         may be  amended  from time to time and any  successor legislation;

         "BT" means  British Telecommunications plc, a  corporation incorporated
         under the laws of the United Kingdom;

<PAGE>

         "Business Day"  means  any  day, other  than  Saturday, Sunday  or  any
         statutory holiday in the Province of Ontario;

         "Cantel" means Rogers Cantel Inc., a corporation incorporated under the
         laws of Canada;

         "Class A  Shares"  means any Class A  Multiple  Voting  Shares of RCMCI
         which are issued and  outstanding  from time to time and  includes  any
         shares or  securities  which may be  converted  or changed into Class A
         Multiple   Voting   Shares  or  which  result  from  a   consolidation,
         subdivision  or  reclassification  or which are  received by holders of
         Class A  Multiple  Voting  Shares  upon or as a result  of any  merger,
         amalgamation,  arrangement,  consolidation,  reorganization  or similar
         transaction of or involving RCMCI;

         "Class B Shares"  means the Class B Restricted  Voting  Shares of RCMCI
         which are issued and  outstanding  from time to time and  includes  any
         shares or  securities  which may be  converted  or changed into Class B
         Restricted   Voting  Shares  or  which  result  from  a  consolidation,
         subdivision  or  reclassification  or which are  received by holders of
         Class B  Restricted  Voting  Shares  upon or as a result of any merger,
         amalgamation,  arrangement,  consolidation,  reorganization  or similar
         transaction of or involving RCMCI;

         "Concurrent Offer" means (i) an offer made in accordance with section 2
         of the  Trust  Agreement  by JV  Shareholder  or a Third  Party  to the
         holders of Class B Shares to purchase  Class B Shares on the same terms
         and  conditions  as a purchase  by JV  Shareholder  or such Third Party
         under section 6.1; or (ii) an offer made in  accordance  with section 2
         of the JV Trust  Agreement  by RCI, an  Affiliate  of RCI or by a Third
         Party to the holders of the Class B Shares to  purchase  Class B Shares
         on the same terms and  conditions as a purchase by RCI, such  Affiliate
         of RCI or such Third Party under section 7.1;

         "Control" or "Controlled" other than for the purposes of the definition
         of Affiliate means, with respect to a Person, such Person holding

<PAGE>

         securities  to which are  attached  more  than 50% of the  total  votes
         which,  if  exercised,  are  sufficient  to  elect  a  majority  of the
         directors or similar positions of such Person;

         "Convertible  Security"  means any security  which may be,  directly or
         indirectly,  converted  into or exchanged  for an Equity Share or which
         constitutes or carries a right to purchase an Equity Share or any other
         right to purchase an Equity Share;

         "Designated  Material Competitor of AT&T" has  the meaning set forth in
         section 8.2;

         "EBITDA"  means an amount equal to the total net income of RCMCI,  on a
         consolidated  basis,  prepared in accordance  with  generally  accepted
         accounting  principles,  and  excluding  all  extraordinary  and  other
         non-recurring  and  unusual  items  plus,  to the  extent  deducted  in
         calculating such net income, interest expense and other financing costs
         and expenses, depreciation,  amortization and all taxes, whether or not
         deferred, applicable to the relevant period;

         "Equity  Share" means any security or other interest in a Person which,
         directly or  indirectly,  confers upon the holder  thereof the right to
         participate  in the  distribution  of  assets  upon  the  voluntary  or
         involuntary  liquidation,  dissolution  or  winding-up  of the relevant
         Person beyond a fixed sum or a fixed sum plus accrued dividends and any
         Voting  Share,  and,  in the case of  RCMCI,  includes  the  Preference
         Shares, the Class A Shares and the Class B Shares;

         "Excluded Services" means  the following services:  television services
         (whether cable,  broadcast,  direct  broadcast satellite  or  broadband
         wireless) and broadcast radio services,

         "Fair  Market  Value" for the  purposes of sections  6.1(k) and (o) and
         section 12.1(a) means (i) where the subject  securities are listed on a
         stock exchange,  the weighted  average trading price of such securities
         during  the  20  trading  days  immediately  preceding  the  applicable
         calculation  date on the stock  exchange or stock  association on which
         the highest volume of trading of such  securities  occurred during such
         20 trading day period; and (ii) where the subject securities are not

<PAGE>

         listed on a stock exchange or stock association,  the fair market value
         as at the applicable  calculation  date  determined in accordance  with
         section 8.10;

         "Fixed Wireless Services"  has  the  meaning  set forth  in  the  Brand
         Licence Agreement;

         "Independent Directors" means a director of RCMCI other than a director
         who (apart from being a director  of RCMCI or any of its  subsidiaries)
         is an employee,  insider, associate (as the terms insider and associate
         are defined in the  Securities  Act) or  Affiliate of RCI or one of its
         Affiliates;

         "Internet Access"  has  the  meaning  set  forth  in the Brand  Licence
         Agreement;

         "Internet Services"  has  the meaning  set forth  in the Brand  Licence
         Agreement;

         "JV" means JV Shareholder and its Affiliates;

         "JV Securities"  means  all of  the Securities  of  RCMCI  beneficially
         owned,  directly or indirectly,  by  JV  Shareholder at the  particular
         time;

         "JV Threshold Amount" means that number of Equity Shares of RCMCI which
         constitutes 20% of the outstanding Equity Shares of RCMCI;

         "JV Trust  Agreement"  means the trust  agreement dated August 16, 1999
         among JV Shareholder, RCMCI and CIBC Mellon Trust Company, as trustee;

         "Licensee  Controlling Interest" means the ownership of or control over
         fifty percent (50%) or more of the voting rights attached to the Voting
         Shares  of  Cantel  or any  of its  subsidiaries  which  are  permitted
         Sublicensees or such other  percentage of the voting rights attached to
         Voting Shares of Cantel or any of its subsidiaries  which are permitted
         Sublicensees that are sufficient,  if exercised, to elect a majority of
         the board of directors of Cantel or any of its  subsidiaries  which are
         permitted Sublicensees;

         "material   subsidiary"   means  a   subsidiary   of  RCMCI  where  the
         unconsolidated  EBITDA of such  subsidiary,  based on 12 month trailing
         EBITDA, constitutes more than 5% of the EBITDA of the RCMCI Group,

<PAGE>

         based on 12 month trailing EBITDA, calculated on a consolidated basis.

         "Member of the Rogers  Family" means (a) Edward S. Rogers O.C.; (b) any
         of the following  Persons:  (i) the spouse, for the time being and from
         time to time, of Edward S. Rogers O.C.;  (ii) after the death of Edward
         S. Rogers O.C., the widow, if any, of Edward S. Rogers O.C.;  (iii) the
         issue of Edward S.  Rogers  O.C.  ; (iv) any  half-sister  of Edward S.
         Rogers  O.C.  and the issue of any such  half-sister;  (v)  individuals
         adopted by Edward S.  Rogers  O.C.  or by any of the issue of Edward S.
         Rogers O.C.,  provided that such  individuals have not attained the age
         of majority at the date of such  adoption,  together  with the issue of
         any such adopted  individuals;  provided that if any Person is born out
         of  wedlock  he or she shall be deemed  not to be the issue of  another
         Person for the purposes  hereof unless and until he or she is proven or
         acknowledged  to be the issue of such Person;  (c) a Qualifying  Trust;
         and (d) any  Person  designated  by any of the  foregoing  to  exercise
         voting rights  provided that such Person is either one of the foregoing
         or has no beneficial  interest in the  securities for which such Person
         has been  granted  voting  rights and has a fiduciary  duty to exercise
         such  voting  rights  in the  best  interests  of one  or  more  of the
         foregoing;

         "Mobile  Communication  Services" means communication  services,  where
         either  the  terminal  from  which the  communication  originated  or a
         terminal on which the communication was alternately  received,  or both
         such terminals, are mobile  radiocommunications  devices (including, in
         each case, mobile communications devices that are being used in a fixed
         mode) and include, but are not limited to, cellular telephone equipment
         sales and  related  services,  paging and mobile  voice/data  equipment
         sales and related services,  local area personal communications network
         and all activities reasonably necessary or incidental thereto;

         "Mobile   Wireless   Services"   means   telecommunications    services
         (including,   voice,   video  or  data)  provided  by  means  of  radio
         frequencies that are or may be licensed, permitted or authorized now or
         in the future by United States or Canadian regulatory authorities, and

<PAGE>

         in  respect  of which  services  the user  equipment  is capable of and
         intended  for  usage  during  routine  movement,   including  halts  at
         unspecified  points,  at more than one location  throughout a wide area
         public or private  wireless  network.  Mobile  Wireless  Services shall
         exclude Excluded Services;

         "Non Competition  Agreement" means the non-competition  agreement dated
         August 16, 1999  entered into between  AT&T Canada Corp. and Cantel, as
         the same may be amended from time to time;

         "Party" means any of RCI,  RCMCI, JV Shareholder and any Person who may
         become bound by the terms hereof; and "Parties" means all of them;

         "Permitted  Transferee"  means  AT&T U.S.  or BT or any Person in which
         AT&T U.S. or BT, or a combination thereof, owns directly or indirectly,
         at least a majority of the voting  rights  attached to all  outstanding
         Voting  Shares  sufficient,  if  exercised,  to elect a majority of the
         board of directors or similar governing body of such Person;

         "Person"  means  any  individual,   partnership,  limited  partnership,
         limited liability company,  unlimited liability company, joint venture,
         syndicate, sole proprietorship,  company or corporation with or without
         share capital,  unincorporated  entity or association,  trust, trustee,
         executor,   administrator  or  other  legal  personal   representative,
         regulatory body or agency, government or governmental agency, authority
         or entity however designated or constituted;

         "Pledge"  means any  mortgage,  hypothecation,  lien,  charge,  pledge,
         encumbrance,  grant of security  interest or similar  arrangement  with
         respect to assets or shares;

         "Preference  Shares"  means the  convertible  preference  shares in the
         capital of RCMCI  purchased  by JV  Shareholder  from  RCMCI  under the
         Subscription Agreement;

         "Programming Undertaking" means "distribution undertaking" as set forth
         in the Broadcasting Act;

<PAGE>

         "Qualifying  Trust" means a trust (whether  testamentary or inter vivos
         and whether now or hereinafter  constituted) the primary  beneficiaries
         of which are one or more of the Persons referred to in paragraph (a) or
         (b) of the  definition of "Member of the Rogers  Family" or the spouse,
         widow or  widower,  for the time  being and from  time to time,  of any
         Person described in paragraph  (b)(iii),  (iv) or (v) of the definition
         of "Member of the Rogers Family"  (provided that such spouse,  widow or
         widower is living at the date hereof or is born after the date  hereof)
         or a charity and none of the non-primary  beneficiaries  of which,  who
         are Persons  who are not  individuals,  carries on a business  which is
         competitive  with  the  business  carried  on  by  AT&T  U.S.  and  its
         Affiliates;

         "RCMCI Group" means RCMCI together with its subsidiaries;

         "RCMCI Wholly-Owned Group"  means RCMCI together with  its wholly-owned
         subsidiaries;

         "Registration Rights Agreement" means the registration rights agreement
         dated August 16, 1999 entered into between JV Shareholder and RCMCI, as
         the same may be amended from time to time;

         "Related  Agreements" means the Brand Licence  Agreement,  the Wireless
         Marketing,  Technology  and  Services  Agreement,  the  Non-Competition
         Agreement,  the  Supply and  Marketing  Agreement,  the Share  Purchase
         Agreement,   the  Subscription   Agreement,   the  Registration  Rights
         Agreement and the Warrant Amendment Agreement;

         "Right of First Negotiation" means the rights granted to JV Shareholder
         under  section 6.1 or the rights  granted to RCI under  section 7.1, as
         the case may be;

         "Rogers Cable Territories" means the territories in which RCI or any of
         its Affiliates carries on from time to time a Programming Undertaking;

         "Rogers Family Holding Company" means a corporation which is Controlled
         by one or more Persons each of whom is a Member of the Rogers Family;

<PAGE>

         "Rogers Group" means RCI and its Affiliates,  the Members of the Rogers
         Family,  the Rogers Family Holding  Companies and the Affiliates of the
         Rogers Family Holding Companies;

         "Rogers Shareholders"  means,  collectively,  the  holders  of  Class A
         Shares which are members of the Rogers Group;

         "Securities" means any Equity Shares of RCMCI or Convertible Securities
         of RCMCI;

         "Securities  Act" means the  Securities Act (Ontario) and the rules and
         regulations  thereunder,  as the same may be amended  from time to time
         and any successor legislation;

         "Shareholder"  means  the Persons  specified  in  Schedule "A"  who are
         registered holders of Securities;

         "Share  Purchase  Agreement"  means the agreement  dated August 5, 1999
         under which Rogers Cablesystems Limited and Rogers Holdings Inc. agreed
         to sell an aggregate of 12,313,435 Class A Shares to JV Shareholder;

         "Sublicensees"  means permitted  sublicensees under  the  Brand Licence
         Agreement;

         "Subscription  Agreement" means the subscription agreement dated August
         5,  1999  between  RCMCI,  RCI  and  JV  Shareholder   under  which  JV
         Shareholder subscribed for the Preference Shares;

         "subsidiary" has the meaning set forth in the Securities Act;

         "Supply  and  Marketing  Agreement"  means  the  supply  and  marketing
         agreement dated August 16, 1999, as amended,  entered into between AT&T
         Canada Corp. and Cantel as the same may be amended from time to time;

         "Third Party" means any  Person or group or combination of Persons that
         is at arm's length to the Rogers Group and JV;

<PAGE>

         "Transfer"   includes  any  sale,   exchange,   assignment,   transfer,
         distribution,  gift, bequest, disposition,  Pledge or other arrangement
         by which legal title or beneficial  ownership passes from one Person to
         another, or to the same Person in a different capacity,  whether or not
         voluntary and whether or not for value, and any agreement to effect any
         of the foregoing;  provided, however, that a Transfer shall not include
         (i) any Pledge granted by or on behalf of RCI or its  Affiliates  which
         is  outstanding  on the date hereof as described in Schedule "C" hereto
         or   which  is  an   amendment,   renewal,   extension,   substitution,
         refinancing,  restructuring,  supplement or other  modification of such
         Pledge,   provided  that  no  such   amendment,   renewal,   extension,
         substitution, refinancing, supplement or other modification shall be on
         terms  that  have  a  material  adverse  effect  on  the  rights  of JV
         Shareholder  hereunder or result in an additional  number of Securities
         becoming  subject  to the  Pledge  other  than in  accordance  with the
         existing  terms  of  the  Pledge  unless,  with  respect  to  any  such
         additional  Securities,  the Pledge  satisfies  the criteria set out in
         (ii)  below;  or (ii)  any  Pledge  given  in  favour  of a  recognized
         financial  institution  as security for a bona fide loan or  obligation
         and such  financial  institution  agrees in writing to be bound by this
         Agreement,   including,   without   limitation,   the  Right  of  First
         Negotiation,  to the same  extent as RCI,  provided  that such a Pledge
         shall not release RCI from any of its obligations under this Agreement;
         further  provided  that if AT&T and its  Affiliates  and/or  BT and its
         Affiliates propose to Transfer Equity Shares in JV Shareholder (the "JV
         Shares"), and if after giving effect to such Transfer,  AT&T and/or its
         Affiliates  and/or BT and/or  its  Affiliates  and/or  their  Permitted
         Transferees would own, directly or indirectly,  less than a majority of
         the outstanding Equity Shares in JV Shareholder  (calculated on a fully
         diluted basis) then the Transfer of the JV Shares shall be deemed to be
         a Transfer to which Article 7 shall apply,  mutatis  mutandis;  and the
         word "Transferred", "Transferring", "Transferee" and similar words have
         corresponding meanings;

         "Trust  Agreement"  means the trust agreement dated July 25, 1991 among
         RCI (as  successor to Rogers  Canada  Inc.),  RCMCI and the CIBC Mellon
         Trust Company (as successor to National Trust Company), as trustee;

<PAGE>

         "Voting Share" means any security  carrying a voting right either under
         all  circumstances  or under  circumstances  that have occurred and are
         continuing;

         "Warrant Amendment Agreement" means the agreement dated August 16, 1999
         to amend the Warrant Certificate;

         "Warrant  Certificate" means the warrant certificate dated November 13,
         1996 issued by RCMCI to AT&T Canada Enterprises  Company and "Warrants"
         means the share purchase warrants evidenced by the Warrant Certificate;

         "Wireless  Marketing,  Technology  and  Services  Agreement"  means the
         wireless marketing,  technology and services agreement dated August 16,
         1999, as amended, entered into between AWS and Cantel;

1.2.     Schedules

         The following are the schedules attached to this Agreement:

         ------------------------------------- ---------------------------------
         Schedule "A"                          Ownership of Securities
              -Section 2.1(a)
         ------------------------------------- ---------------------------------
         ------------------------------------- ---------------------------------
         Schedule "B"                          Listed Material Competitors
              -Section 8.2
         ------------------------------------- ---------------------------------
         ------------------------------------- ---------------------------------
         Schedule "C"                          Pledges Outstanding
              -Section 1.1
         ------------------------------------- ---------------------------------
         ------------------------------------- ---------------------------------
         Schedule "D"                          Form of Confidentiality Agreement
              -Section 6.1(b)
         ------------------------------------- ---------------------------------


1.3.     Headings and Table of Contents

         The inclusion of headings and a table of contents in this Agreement are
for  convenience  of  reference  only and shall not affect the  construction  or
interpretation hereof.

<PAGE>

1.4.     Gender and Number

         In  this  Agreement,  unless  the  context  otherwise  requires,  words
importing  the  singular  include the plural and vice versa and words  importing
gender include all genders.

1.5.     Currency

         Except as otherwise  expressly provided in this Agreement,  all amounts
in this Agreement are stated and shall be paid in Canadian currency.

1.6.     Invalidity of Provisions

         Each of the  provisions  contained  in this  Agreement  is distinct and
severable  and a  declaration  of  invalidity  or  unenforceability  of any such
provision by a court of competent  jurisdiction shall not affect the validity or
enforceability of any other provision hereof.

1.7.     Generally Accepted Accounting Principles

         In this Agreement,  except to the extent otherwise  expressly provided,
references  to  "generally  accepted  accounting  principles"  mean,  for  those
principles  stated  in the  Handbook  of the  Canadian  Institute  of  Chartered
Accountants, such principles so stated.

1.8.     Entire Agreement

         This  Agreement  together with the Related  Agreements  constitute  the
entire  agreement  between the parties  hereto  pertaining to the subject matter
hereof. There are no other agreements between the parties in connection with the
subject matter hereof except as specifically  set forth or referred to herein or
therein.

1.9.     Waiver, Amendment

         Except as expressly provided in this Agreement,  no amendment or waiver
of this Agreement shall be binding unless executed in writing by the party to be
bound thereby.  No waiver of any provision of this Agreement shall  constitute a
waiver of any other provision nor shall any such waiver  constitute a continuing
waiver unless otherwise expressly provided.

<PAGE>

1.10.    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
and,  subject to Article 11, each of the parties hereby submits to the exclusive
jurisdiction of the courts of Ontario.

1.11.    Dealing at Arm's Length

         For the purposes of this Agreement, whether or not any Person is at, or
deals at, arm's length with another  Person shall be  determined  in  accordance
with the Income Tax Act (Canada).



                                   ARTICLE 2.
                         REPRESENTATIONS AND WARRANTIES

2.1.     Representations and Warranties

         Each Shareholder hereby represents and warrants:

         (a)      that such Shareholder is the legal and beneficial owner of the
                  number  of   Securities   which  are  set  out  opposite  such
                  Shareholder's name in Schedule "A" hereto;

         (b)      in the case of a Shareholder that is a corporation, that it is
                  duly  incorporated  and validly existing under the laws of its
                  jurisdiction of incorporation, that it has the corporate power
                  and capacity to enter into and perform its  obligations  under
                  this  Agreement  and that the  execution  and delivery of this
                  Agreement have been duly authorized by it;

         (c)      in the case of a Shareholder that is a partnership, that it is
                  duly constituted and validly  existing as a partnership  under
                  the laws of its  jurisdiction  of  formation,  that it has the
                  power and  capacity  to  perform  its  obligations  under this
                  Agreement   and  that  the  execution  and  delivery  of  this
                  Agreement have been duly authorized by it; and

<PAGE>

         (d)      that this Agreement constitutes a valid and binding obligation
                  enforceable  against the  Shareholder  in accordance  with its
                  terms,  subject to the usual  exceptions as to bankruptcy  and
                  the availability of equitable remedies.

                                   ARTICLE 3.
                                GOVERNANCE RIGHTS

3.1.     Governance Rights

         (a)      So long as the  Rogers  Group  Controls  RCMCI,  RCI agrees as
                  shareholder  of  RCMCI to  cause  JV  Shareholder  to have the
                  governance rights set forth in this section 3.1 to the fullest
                  extent permitted by applicable law.

         (b)      JV  Shareholder  shall  have   the  right  to  nominate   four
                  individuals  for election and  appointment as directors to the
                  Board of Directors and to the board of directors of Cantel out
                  of a total  number of 16  directors  and RCI shall  cause such
                  individuals to be so elected or appointed. Such nominees shall
                  include  the chief  executive  officer  of AWS,  as long as no
                  other  Person  that is not an  Affiliate  of AT&T  U.S.  has a
                  larger equity  interest in JV  Shareholder  than AT&T U.S. and
                  its subsidiaries,  and such other senior officers of JV as may
                  be mutually agreed upon by JV Shareholder and RCI. The Parties
                  acknowledge  that a  majority  of the  members of the Board of
                  Directors and at least 80% of the board of directors of Cantel
                  shall  be  resident  Canadians.   JV  Shareholder's  right  to
                  nominate  directors  is  subject  to any  requirement  for the
                  appointment of "Canadian" directors. RCMCI shall reserve seats
                  for  non-Canadian  members of the Board of  Directors  and the
                  board of  directors of Cantel for JV  Shareholder,  subject in
                  the case of  Cantel,  to the  maximum  number of  non-Canadian
                  members  permitted  under  applicable  law.  If there  are any
                  increases  in the size of the Board of  Directors or the board
                  of directors of Cantel,  JV  Shareholder's  rights to nominate
                  directors shall be adjusted  proportionately.  At such time as
                  the number of directors on the Board of Directors or the board
                  of directors of Cantel is increased, JV Shareholder shall have
                  the right to nominate  such greater  number of  directors,  if

<PAGE>

                  any,  to make  such  nomination  rights  proportionate  to its
                  ownership of Equity Shares of RCMCI. At such time as RCMCI has
                  any material  subsidiaries  (other than  Cantel),  RCMCI shall
                  provide  similar   proportionate   nomination  rights  for  JV
                  Shareholder  on  the  board  of  directors  of  such  material
                  subsidiary.

         (c)      JV  Shareholder  shall  have  the right  to select  two  of JV
                  Shareholder's  nominees to the Board of Directors  who will be
                  appointed  to  each  of  the  audit  committee  and  executive
                  committee   of  the   Board  of   Directors   and  one  of  JV
                  Shareholder's  nominees to the Board of Directors  who will be
                  appointed to each of the  compensation  committee  and pension
                  committee of the Board of Directors. JV Shareholder shall have
                  the right to select two of JV Shareholder's  nominees who will
                  be appointed to each other standing  committee of the Board of
                  Directors  established from time to time. JV Shareholder shall
                  have similar proportionate representation rights on committees
                  of the board of  directors  of Cantel  and any other  material
                  subsidiary.  The Parties agree that JV  Shareholder  shall not
                  nominate a majority of the members of any  standing  committee
                  of the Board of  Directors  and the  members of such  standing
                  committees   shall  be  resident   Canadians  as  required  by
                  applicable law.

         (d)      JV  Shareholder  will  have  the  right  to  nominate  any new
                  individual who is proposed as the Chief Technology  Officer of
                  RCMCI  and  Cantel  or as the  officer  to  perform  a similar
                  function  subject to such nominee being  approved by the Board
                  of Directors.  If such nominee is not approved by the Board of
                  Directors,  JV Shareholder's  right to nominate shall again be
                  exercised,  and so on until the Board of Directors approves an
                  JV Shareholder  nominee.  JV Shareholder  acknowledges that it
                  supports the individual  currently holding the office of Chief
                  Technology Officer of RCMCI.

         (e) JV Shareholder's prior written approval will be required for:

<PAGE>

                  (i)      a Transfer of all or  substantially all of the assets
                           of the RCMCI  Group to a Person or  Persons  that are
                           not members of the RCMCI Wholly-Owned Group;

                  (ii)     any  decision by the RCMCI Group that the RCMCI Group
                           sell the Licensee Controlling Interest, provided that
                           such restriction  shall not require the prior written
                           approval of JV Shareholder for any sale of Control of
                           a subsidiary of RCMCI where the unconsolidated EBITDA
                           of  such  subsidiary,  based  on  12  month  trailing
                           EBITDA,  does  not  constitute  more  than  5% of the
                           EBITDA of the RCMCI Group, based on 12 month trailing
                           EBITDA,  calculated on a consolidated  basis provided
                           that,  in such  event,  such  subsidiary  will not be
                           entitled to continue to have the benefit of the Brand
                           Licence Agreement;

                  (iii)    any  amendment  to the articles of  incorporation  or
                           other constating  document of any member of the RCMCI
                           Group  including the continuance of any member of the
                           RCMCI Group under the laws of any other jurisdiction,
                           or the making,  amending or  repealing of any by-laws
                           of any member of the RCMCI Group, which would have an
                           adverse effect on the rights  attaching to any shares
                           in the capital of a member of the RCMCI Group held by
                           JV  Shareholder or which would  adversely  affect the
                           governance  rights  granted to JV  Shareholder  under
                           this Agreement;

                  (iv)     (A) any  decision  by the  RCMCI Group  to carry on a
                           business  other than Mobile  Communication  Services,
                           Internet Services, Mobile Wireless Services, Internet
                           Access  provided  by Mobile  Wireless  Services,  and
                           Fixed Wireless Services, except decisions to carry on
                           any of the  businesses  as permitted to be carried on
                           by Cantel by express  exceptions to the  restrictions
                           contained in the Non-Competition Agreement and except
                           for  capital   expenditures  or  investments  in,  or
                           acquisitions of,  businesses or assets outside of the
                           foregoing businesses which do not exceed in the first

<PAGE>

                           five  year  period   ending   December  31,  2004  an
                           aggregate  of $225  million  and which do not  exceed
                           more than an aggregate of $100 million in year one of
                           such first five year  period,  an  aggregate  of $200
                           million  in year one and year two of such  first five
                           year period and an  aggregate of $225 million in year
                           one,  year two and year three of such first five year
                           period  and after  year three of such first five year
                           period do not exceed an  aggregate of $225 million in
                           any rolling five year period;

                           (B)  any   decision  by  RCI  and  its   subsidiaries
                           (including  the  RCMCI  Group)  to  carry  on  Mobile
                           Communication  Services,  Internet  Services,  Mobile
                           Wireless Services, Internet Access provided by Mobile
                           Wireless   Services   or  Fixed   Wireless   Services
                           businesses  in North  America  other  than  through a
                           member of the RCMCI Group in or from Canada and other
                           than   the   business   of   reselling   the   Mobile
                           Communication Services,  Mobile Wireless Services and
                           Fixed Wireless Services of the RCMCI Group by RCI and
                           its  subsidiaries  other  than the RCMCI  Group in or
                           from  Canada;   provided  that   notwithstanding  the
                           foregoing,  RCI and its  subsidiaries  (excluding the
                           RCMCI Group) shall not be restricted from carrying on
                           Fixed   Wireless   Services   in  the  Rogers   Cable
                           Territories or outside Canada or Internet Services in
                           or outside Canada;

                           (C)  any   decision  by  RCI  and  its   subsidiaries
                           (including  the  RCMCI  Group)  to  carry on a Mobile
                           Communication  Services,  Internet  Services,  Mobile
                           Wireless Services, Internet Access provided by Mobile
                           Wireless Services or Fixed Wireless Services business
                           outside North America; provided that if RCI offers to
                           carry on any such business within the RCMCI Group and
                           JV Shareholder  does not consent to any such business
                           being carried on within the RCMCI Group,  RCI and its
                           subsidiaries  may carry on such  business  outside of
                           the   RCMCI   Group   provided   that   RCI  and  its
                           subsidiaries  will not have the benefits of the Brand
                           Licence  Agreement  with respect to such business and
                           provided further that notwithstanding the foregoing,

<PAGE>

                           RCI and its subsidiaries  (excluding the RCMCI Group)
                           shall  not  be  restricted  from  carrying  on  Fixed
                           Wireless Services or Internet Services outside North
                           America;

                           (D) for greater certainty,  nothing in this Agreement
                           restricts  RCI and its  subsidiaries  (excluding  the
                           RCMCI  Group)  from  carrying  on  Internet  Services
                           businesses in or outside Canada;

                  (v)      the  taking  of  any  steps  to  wind-up,   dissolve,
                           reorganize or terminate  the  corporate  existence of
                           any  member  of  the  RCMCI  Group  (other  than  the
                           wind-up,  dissolution,  reorganization or termination
                           of a  subsidiary  of  RCMCI  with or into  the  RCMCI
                           Wholly-Owned  Group) or the  taking by any  member of
                           the  RCMCI   Group  of  any  steps  in   respect   of
                           bankruptcy,   insolvency,   liquidation   or  similar
                           proceedings   other   than  in   connection   with  a
                           transaction  under  clause (xi) that does not require
                           JV Shareholder's prior written approval;

                  (vi)     any  decision  by RCMCI to issue,  or enter  into any
                           agreement to issue, any shares of any class of Equity
                           Shares  or  Convertible  Securities  except  (A)  the
                           issuance of Class A Shares pursuant to rights granted
                           to all  holders  of Class A Shares to  subscribe  for
                           Class A Shares;  (B) the  issuance  of Class B Shares
                           whereby no one Person,  following  completion  of the
                           distribution,  acquires  more  than 5% of the  Equity
                           Shares  outstanding,   other  than  Persons  who  are
                           equipment, software or service providers to the RCMCI
                           Group and who have an on-going business  relationship
                           with the RCMCI Group which  Persons may acquire up to
                           10% of the Equity Shares  outstanding,  provided that
                           in the case of (A) and  (B),  the  number  of Class A
                           Shares  and  Class B  Shares  issued  in any 12 month
                           period does not exceed, in the aggregate,  15% of the
                           then  outstanding  number  of Equity  Shares;  (C) in
                           connection  with  the  issuance  of  Class  B  Shares
                           pursuant  to the  exercise of stock  options  granted
                           under RCMCI's stock option plan,  stock purchase plan

<PAGE>

                           or stock benefit plan provided that the Equity Shares
                           issuable  pursuant to such plans do not exceed 10% of
                           the then outstanding number of Equity Shares; and (D)
                           pursuant  to  any   conversion   or  exchange   right
                           outstanding or existing on the date hereof (including
                           pursuant   to  any   securities   issued   under  the
                           Subscription Agreement) or pursuant to any conversion
                           or exchange right attaching to a Convertible Security
                           the   issuance   of  which   does  not   require   JV
                           Shareholder's  prior written approval  hereunder.  In
                           all cases  described in (A),  (B), (C) and (D) above,
                           during the term of this  Agreement and  thereafter so
                           long as the Brand  Licence  Agreement  is in  effect,
                           neither  RCMCI  nor  any  of its  subsidiaries  shall
                           knowingly   issue   or  sell   any   Equity   Shares,
                           Convertible  Securities or other securities or rights
                           to  acquire  any such  securities  to any  Designated
                           Material  Competitor of AT&T (other than a Designated
                           Material  Competitor  of AT&T  who,  after  the  date
                           hereof,  acquires Control of RCMCI in accordance with
                           the  terms  of  this  Agreement)  and in  any  public
                           distribution  of  securities  of  RCMCI or any of its
                           subsidiaries,  RCMCI or its  subsidiary,  as the case
                           may be, as the  issuer or seller  will  cause each of
                           the  underwriters  or selling agents to covenant that
                           it will not  knowingly  take any  action  which  will
                           result in a breach of this covenant;

                  (vii)    any decision by any subsidiary of RCMCI to issue,  or
                           enter into any agreement to issue to any Person other
                           than a member of the RCMCI  Wholly-Owned  Group,  any
                           shares of any class of Securities other than, subject
                           to section 3.1(e)(vi), an issuance or grant of option
                           or right to make an  investment of 10% or less of the
                           capital stock of any  subsidiary  of Cantel  provided
                           that such  subsidiary  has not  acquired and will not
                           thereafter  acquire  any  assets  having  a value  in
                           excess of $100 million or any material  rights from a
                           member of the RCMCI Group;

                  (viii)   after  giving  effect  to  the  use  of  proceeds  as
                           permitted  under  section  7.1  of  the  Subscription
                           Agreement, any decision by any member of the RCMCI

<PAGE>

                           Group  to  create,   assume,  become  liable  for  or
                           guarantee   any   borrowing  or  to  issue  any  debt
                           securities  which  would  result in the  RCMCI  Group
                           having  total   indebtedness   for   borrowed   money
                           outstanding  in excess of five times  EBITDA based on
                           the 12 month  trailing  EBITDA  all  calculated  on a
                           consolidated basis;

                  (ix)     any  decision by  any member of  the  RCMCI Group  to
                           enter into any contract, agreement or commitment with
                           RCI or any  Affiliate  of RCI (other than a member of
                           the RCMCI Group) or with any Person who does not deal
                           at  arm's  length  with RCI or any  Affiliate  of RCI
                           (other than a member of the RCMCI Group),  other than
                           (A) contracts, agreements or commitments which do not
                           represent  expenditures  or  costs  in  excess  of $5
                           million  in the  aggregate  in any fiscal  year;  (B)
                           contracts,  agreements or commitments relating to the
                           provision of management services,  the acquisition of
                           products  and  services,  the  payment of interest on
                           indebtedness   for   borrowed   money    constituting
                           intercompany  borrowings,  the  sharing or leasing of
                           premises,  facilities  or  assets  or other  cost and
                           expense,  related party and sharing  arrangements and
                           transactions  of similar  type that have been entered
                           into prior to the date hereof and which are  referred
                           to in Appendix V to Part A of Schedule B to the Share
                           Purchase  Agreement or which constitute an amendment,
                           expansion,  replacement,   extension,  supplement  or
                           modification  of  any  such  contract,  agreement  or
                           commitment   provided  such   amendment,   expansion,
                           replacement,  extension,  supplement or  modification
                           does not change in any material  respect the basis or
                           principle for  calculating or determining the amounts
                           payable thereunder;  or (C) contracts,  agreements or
                           commitments  entered into on terms no less favourable
                           to the  members of the RCMCI  Group than those  which
                           may be  obtained  at the time from a Person who deals
                           at arm's length with the RCMCI Group provided that:

<PAGE>

                           1.     for such  contracts, agreements or commitments
                                  that do not represent costs or expenditures in
                                  excess  of  $20  million  in  any  year,  such
                                  contract  is  approved  by a  majority  of the
                                  Independent  Directors on the audit  committee
                                  provided that if no JV Shareholder  nominee on
                                  the audit  committee  of RCMCI  approves  such
                                  contract, agreement or commitment, RCMCI shall
                                  obtain   at  its   cost  an   opinion   of  an
                                  independent,     internationally    recognized
                                  qualified  valuator selected by JV Shareholder
                                  with  the   consent   of   RCMCI   not  to  be
                                  unreasonably  withheld,  as to the fair market
                                  value of the financial terms of such contract,
                                  agreement or commitment;  it being  understood
                                  that such  opinion  will not prevent or impair
                                  the  ability  of RCMCI to  enter  into  such a
                                  contract,  agreement  or  commitment  that  is
                                  approved  by a  majority  of  the  Independent
                                  Directors on the audit committee provided that
                                  the financial terms are revised retroactively,
                                  if necessary, to make sure that such financial
                                  terms are at fair market  value in  accordance
                                  with the opinion of such valuator; and

                           2.     for such contracts,  agreements or commitments
                                  that represent costs or expenditures in excess
                                  of $20  million  in any year,  such  contract,
                                  agreement  or  commitment  is  approved  by  a
                                  majority of the  Independent  Directors on the
                                  audit  committee  which majority shall include
                                  at least one JV Shareholder nominee;

                  (x)      any  decision  by any  member of the  RCMCI  Group to
                           enter  into  any  material  contract,   agreement  or
                           commitment  with any Person other than JV Shareholder
                           in  respect of which any  action or  inaction  on the
                           part of JV Shareholder  would result (with or without
                           notice or lapse of time or both) in a material breach
                           or  default,  acceleration  or  termination  of  such
                           contract, agreement or commitment;

<PAGE>


                  (xi)     any amalgamation,  merger, arrangement,  acquisition,
                           disposition or other business combination transaction
                           involving:

                           (A)      the sale, lease, exchange, transfer or other
                                    disposition  of any assets or  securities of
                                    the RCMCI  Group to any Person  other than a
                                    member  of  the  RCMCI  Wholly-Owned  Group,
                                    including  the granting of an option for any
                                    such transaction, where the total enterprise
                                    value of such  assets  or  securities  is in
                                    excess of the  greater of $500  million  and
                                    15%  of  the  book   value   of  the   total
                                    consolidated  assets of RCMCI as at the date
                                    of  its  most  recent  consolidated  balance
                                    sheet  in any  one  transaction  or  related
                                    transactions;

                           (B)      the taking of any steps to amalgamate, merge
                                    or otherwise combine any member of the RCMCI
                                    Group with another  Person (which Person has
                                    an enterprise value in excess of the greater
                                    of $500 million and 15% of the book value of
                                    the total consolidated assets of RCMCI as at
                                    the  date of its  most  recent  consolidated
                                    balance   sheet)   other   than   any   such
                                    amalgamation  or  merger  solely  among  the
                                    RCMCI Wholly-Owned Group; or

                           (C)      the  acquisition  or  taking of any steps by
                                    any member of the RCMCI Group to acquire any
                                    assets or  securities  of any  other  Person
                                    other   than   a   member   of   the   RCMCI
                                    Wholly-Owned    Group    where   the   total
                                    enterprise  value of such other Person is in
                                    excess of the  greater of $500  million  and
                                    15%  of  the  book   value   of  the   total
                                    consolidated  assets of RCMCI as at the date
                                    of  its  most  recent  consolidated  balance
                                    sheet  in any  one  transaction  or  related
                                    transactions,

                           provided   that,   whether  or  not   subject  to  JV
                           Shareholder's written approval, any additional shares
                           of any class of Equity Shares or Convertible

<PAGE>

                           Securities  issued  by RCMCI in  connection  with any
                           such transaction (excluding any such shares issued on
                           a  pro  rata  basis  to  the  shareholders  of  RCMCI
                           immediately  prior to such  transaction in connection
                           with  such  transaction)  shall  be  counted  for the
                           purposes of determining  whether RCMCI is entitled to
                           issue Equity Shares under section 3.1(e)(vi);

                  (xii)    the entering into by any member of the RCMCI Group of
                           any  material  contract  with a  Designated  Material
                           Competitor of AT&T which is outside the normal course
                           of the business of the RCMCI Group; or

                  (xiii)   the granting to any Person other than JV  Shareholder
                           of any  voting  rights,  Board of  Directors  rights,
                           Board  of   Directors   committee   rights  or  other
                           governance  rights other than (A) those  attaching to
                           the shares  generally of RCMCI; or (B) voting rights,
                           Board  of  Directors   rights,   Board  of  Directors
                           committee rights or other governance rights which are
                           not superior to those granted to JV Shareholder under
                           this  Agreement  and the Related  Agreements  and any
                           amendments  thereto  and  which  do not  diminish  or
                           adversely   affect  the  rights  of  JV   Shareholder
                           (including   by  reducing   the   proportion   of  JV
                           Shareholder  nominees on the Board of Directors or on
                           the  boards  of  directors  of  Cantel  and any other
                           material subsidiary of RCMCI).

3.2.     Consultation Rights

         RCMCI  agrees to provide  to AT&T U.S.,  AWS and BT, as long as each of
them is an Affiliate of JV  Shareholder,  a reasonable  right of consultation in
the  preparation of the annual and long term  consolidated  budgets and business
plans of RCMCI  prior to  submission  of such  budgets and plans to the Board of
Directors for its approval.  If any such Person with such right of  consultation
has any specific initiatives to propose, it may provide a detailed business case
to RCMCI to support the recommended initiative.  Any such Person with such right
of consultation  and RCMCI will share their business plans and budgets  relating
to RCMCI, as approved by their respective boards of directors, with each other.

<PAGE>


3.3.     Exercise of JV Shareholder Voting Rights

         JV  Shareholder  shall not exercise the voting  rights  attached to any
Class B Shares held by it, from time to time,  with  respect to the  election of
directors to the Board of Directors  pursuant to the right of holders of Class B
Shares,  voting  separately as a class, to elect three directors to the Board of
Directors  unless this Agreement shall have  terminated or JV Shareholder  shall
not be entitled to  exercise  its Board of  Directors  nomination  rights  under
Section 3.1(b) in which event, JV Shareholder  shall be entitled to exercise the
voting  rights  attached  to the  Class B Shares  held by it to elect up to that
number of  directors  of RCMCI  for  which  the Class B Shares  may be voted for
election which is  proportionate  to JV  Shareholder  holding of Class B Shares,
rounded up to the nearest whole number.

3.4.     Cooperation with respect to Tax Effects

         The  Parties  hereto  agree that (i) if any  member of the RCMCI  Group
proposes to take any act or upon the  occurrence  of any event which such member
of the RCMCI Group has been advised in writing by JV Shareholder,  or which such
member knows,  would have, or would be reasonably  likely to have, a significant
adverse  tax  effect on JV and,  if any  member of the RCMCI  Group has taken or
omitted to take any action which has resulted, or is reasonably likely to result
in, such a significant  adverse tax effect on JV and JV Shareholder advises such
Person in writing, the RCMCI Group shall take such commercially reasonable steps
as JV  Shareholder  may request to minimize such result;  (ii) if JV proposes to
take any act or upon the occurrence of any event which JV  Shareholder  has been
advised  in writing by a member of the  Rogers  Group,  or which JV  Shareholder
knows, would have, or would be reasonably likely to have, a significant  adverse
tax effect on the RCMCI Group and, if JV has taken or omitted to take any action
which has  resulted,  or is  reasonably  likely to result in, such a significant
adverse tax effect and the RCMCI Group  advises JV  Shareholder  in writing,  JV
shall take such commercially  reasonable steps as the RCMCI Group may request to
minimize such result.

3.5.     Veto by JV Shareholder

         In the  event  that  JV  Shareholder  does  not  approve  a  particular
amalgamation, merger, arrangement, acquisition, disposition or other business

<PAGE>

combination  with or  involving a Third Party or Third  Parties in Canada  under
section  3.1(e)(xi)  and  provided  JV  Shareholder  is not  able to  veto  such
particular transaction pursuant to any other provision hereunder, JV and RCI and
its   subsidiaries   shall  be  prohibited  from  engaging  in  that  particular
amalgamation,  merger, arrangement,  acquisition,  disposition or other business
combination transaction with or involving such Third Party or Third Parties from
the date JV Shareholder has exercised its right to veto the transaction.

3.6.     Survival

         Notwithstanding  any other provision of this Agreement,  the provisions
of this Article 3 other than the last  sentence of section  3.1(e)(vi),  section
3.3 and section 3.5 shall not survive the termination of this Agreement.

                                   ARTICLE 4.
                              ADDITIONAL COVENANTS

4.1.     Additional Covenants of RCI

         (a)      RCI  agrees  that it will not, and  will cause its  Affiliates
                  not to,  themselves  nominate  or vote  for,  and  will to the
                  extent  permitted by law persuade its nominees on the Board of
                  Directors  not to nominate or vote for, as  directors of RCMCI
                  or  its   subsidiaries,   individuals  who  are  employees  or
                  representatives of any Designated  Material Competitor of AT&T
                  or who are employees or representatives of Persons who are, or
                  whose  Affiliates are, in partnership or formal joint ventures
                  with the  Designated  Material  Competitor  of AT&T where such
                  partnership or formal joint venture  provides  wireless,  long
                  distance or other  telecommunications  services, but excluding
                  the sale of  equipment,  the  provision of  telecommunications
                  software  and the  sale,  by means of  telecommunications,  of
                  non-telecommunications goods and services.

         (b)      The  covenants  set forth in sections  3.1(e)(xii)  and 4.1(a)
                  shall not apply to a Designated  Material  Competitor  of AT&T
                  which has acquired Control of RCI and/or RCMCI.

<PAGE>

         (c)      RCI agrees  unconditionally  and  irrevocably to authorize the
                  RCMCI Group to carry on outside the Rogers  Cable  Territories
                  the  businesses of offering  wireline long distance  services,
                  wireline local services and Fixed Wireless  Services,  subject
                  to the RCMCI Group's compliance with its contractual and other
                  legal obligations to JV Shareholder.

4.2.     Additional Covenants of RCMCI

        (a)       Pursuant  to Article II of  Schedule  III to the  articles  of
                  incorporation of RCMCI, without the consent of the holder of a
                  majority  of the  Class A  Shares,  RCMCI may not carry on any
                  businesses except:

                  (i)      any business carried  on by RCMCI or its subsidiaries
                           on June 17, 1991; and

                  (ii)     Mobile Communication Services.

         (b)      RCMCI and each of its  subsidiaries  shall take all reasonable
                  actions not  prohibited  by law to deny  representatives  of a
                  Designated  Material Competitor of AT&T access to confidential
                  or  proprietary   marketing  and  strategic  plans  and  other
                  confidential  corporate  material  relating  to  the  use  and
                  planned use of the licensed  marks and materials  disclosed by
                  AT&T U.S. or its subsidiaries to the RCMCI Group.

4.3.     Additional Covenants of JV Shareholder

         (a)      JV Shareholder agrees that it will not oppose and will support
                  any "going private" or similar  transaction  relating to RCMCI
                  that may be  initiated  by RCI (or any of its  Affiliates)  as
                  purchaser provided JV Shareholder  retains the same equity and
                  voting interests and the same corporate  governance  rights in
                  RCMCI after completion of any such transaction,  provided that
                  in the  case  of a  "going  private"  or  similar  transaction
                  initiated  by  RCMCI,   the  prior   written   consent  of  JV
                  Shareholder  was obtained and provided that in each case RCMCI

<PAGE>

                  agrees to continue to provide JV  Shareholder  with the timely
                  and continuous  disclosure that it would otherwise be required
                  to  disclose  to the  public as a  reporting  issuer  prior to
                  effecting  the  "going  private"  transaction.  Following  any
                  "going private" transaction, RCI and/or RCMCI shall provide JV
                  Shareholder with liquidity for its Equity Shares  satisfactory
                  to JV Shareholder,  acting  reasonably,  for its investment in
                  RCMCI.

         (b)      Subject to clause (c), so long as RCI Controls RCMCI, JV shall
                  not purchase any  outstanding  Class B Shares  except from the
                  Rogers Group or as otherwise permitted hereunder.

         (c)      In  the  event  of  any  merger,  amalgamation,   arrangement,
                  consolidation,  reorganization  or similar  transaction  of or
                  involving RCMCI, JV Shareholder may purchase outstanding Class
                  B Shares  notwithstanding  section 4.3(b)  provided that after
                  giving  effect to such purchase JV  Shareholder  would hold no
                  more than the lesser of (i) 33 1/3% of the outstanding  Equity
                  Shares of RCMCI; and (ii) the percentage of outstanding Equity
                  Shares  held  by JV  Shareholder  immediately  prior  to  such
                  transaction.

4.4      Transfer of Interests in JV Shareholder

         In the event that any Person other than (x) AT&T U.S., (y) BT, or (z) a
Permitted  Transferee,  or any  combination  of  AT&T  U.S.,  BT  and  Permitted
Transferees,  becomes the beneficial owner of, directly or indirectly, more than
a majority  of the Equity  Shares  in, or has the power,  in law or in fact,  to
direct or cause the direction of the management and policies of JV  Shareholder,
JV Shareholder shall notify RCMCI in writing of such fact forthwith and, whether
or not JV Shareholder so notifies  RCMCI,  upon the occurrence of the foregoing,
JV Shareholder shall be required  immediately to exercise all rights to convert,
directly or indirectly,  all Securities (including the Preference Shares, Series
A and all Class A Shares) held by it and its Permitted  Transferees into Class B
Shares.

<PAGE>

4.5      Survival

         Notwithstanding any other provision hereof, the provisions of Article 4
shall survive the termination of this  Agreement;  provided that sections 4.1(a)
and 4.2 shall  apply only so long as the Brand  Licence  Agreement  is in effect
unless the Brand Licence Agreement has been terminated as a result of default by
Cantel.

                                   ARTICLE 5.
                  GENERAL PROHIBITION ON TRANSFER OF SECURITIES

5.1.     General Prohibition on Transfer of Securities

         During the term of this  Agreement,  none of the Parties shall Transfer
any Securities of RCMCI or any interest  therein now or hereafter  owned by such
Person  except in  accordance  with and as permitted by this  Agreement  and any
purported  Transfer of any such  Securities in violation of this Agreement shall
constitute a breach of this Agreement.

                                   ARTICLE 6.
                           RIGHT OF FIRST NEGOTIATION

6.1.     Grant of Right of First Negotiation

         (a)      Grant of Right of First  Negotiation.  On and  subject  to the
                  terms and  conditions  of this  section  6.1, RCI grants to JV
                  Shareholder,  the  exclusive  first  right  to  negotiate  the
                  acquisition  of any  Securities  owned by RCI if RCI wishes to
                  Transfer any number of such Securities.

         (b)      Notice  to JV   Shareholder.  (i) RCI  shall  use commercially
                  reasonable  efforts  to  give  prompt  written  notice  to  JV
                  Shareholder  at such time as it has entered  into  discussions
                  with one or more Third Parties which RCI  reasonably  believes
                  may result in the delivery to JV  Shareholder of a Sale Notice
                  referred   to  below  and,   in   connection   with  any  such
                  discussions,   shall   cause   a   confidentiality   agreement
                  containing  customary  provisions,  substantially  in the form
                  attached as Schedule D, to be entered into by such Third Party
                  or Third Parties in favour of RCMCI; (ii) RCI will give prompt

<PAGE>

                  written  notice to JV  Shareholder  (a "Sale  Notice")  of any
                  decision  by RCI to Transfer  any  Securities,  including  the
                  number  of  Securities  of  RCMCI  then  beneficially   owned,
                  directly  or  indirectly,  by RCI and the  number and class or
                  series of such  Securities  proposed  to be  Transferred  (the
                  "Offered  Securities");  and  (iii)  from the date  such  Sale
                  Notice  has been  given  until  RCI is  entitled  to offer the
                  Offered  Securities  to a Third Party or Third  Parties  other
                  than JV  Shareholder  under clauses (d), (i), (m), (o), (r) or
                  (v),  RCI will not solicit,  initiate or encourage  inquiries,
                  submissions,  proposals, bids or offers from or negotiate with
                  any Third Party or Third  Parties  relating  to, or furnish to
                  any Third Party or Third Parties any information  with respect
                  to, or enter into any agreement  with any Third Party or Third
                  Parties   with   respect  to,  the  Transfer  of  the  Offered
                  Securities or make any public announcement  relating to any of
                  the  foregoing  except as  required  by law or any  regulatory
                  requirement.

         Sale of Control

         (c)      Sale of Control; Other Sales.  In  the event that  RCI gives a
                  Sale Notice to JV Shareholder  that RCI wishes to Transfer (i)
                  Offered  Securities which are or include Class A Shares or any
                  other  Securities  which  have  voting  rights,   absolute  or
                  contingent  (other than the voting rights which may be cast by
                  holders of the Class B Shares), and if, after giving effect to
                  such Transfer,  RCI would own Securities to which are attached
                  less than a majority of the voting rights  sufficient to elect
                  a majority  of  directors  of RCMCI in which case RCI shall be
                  deemed for all  purposes  of this  section 6.1 to have given a
                  Sale Notice to  Transfer  all of the  Securities  beneficially
                  owned,  directly  or  indirectly,   by  RCI  and  the  Offered
                  Securities shall constitute all of the Securities beneficially
                  owned,  directly  or  indirectly,  by  RCI;  or  (ii)  Offered
                  Securities  and if in such Sale Notice RCI specifies  that the
                  provisions of clauses (d) to (j) inclusive  shall apply to the
                  Transfer  of such  Securities;  then in each  such  case,  the
                  provisions of clauses (d) to (j) inclusive shall apply to such
                  Transfer.

<PAGE>

         (d)      Good Faith  Negotiations.  During  the  period of 25  Business
                  Days  following  receipt by JV Shareholder of a Sale Notice to
                  which this clause  applies (the "First  Negotiation  Period"),
                  RCI and JV Shareholder shall negotiate  diligently and in good
                  faith to attempt  to agree upon the price and other  terms and
                  conditions  for the Transfer of the Offered  Securities  to JV
                  Shareholder.  At any time during the First Negotiation Period,
                  JV  Shareholder  may  deliver to RCI a written  offer (the "JV
                  Initial Offer") to purchase the Offered Securities from RCI at
                  a price and on terms and conditions  upon which JV Shareholder
                  is  prepared to purchase  the  Offered  Securities.  If on the
                  expiry of the First Negotiation  Period JV Shareholder has not
                  delivered a JV Initial Offer,  JV  Shareholder  shall within 4
                  Business Days  following  the expiry of the First  Negotiation
                  Period  deliver to RCI a JV Initial  Offer.  If JV Shareholder
                  does not deliver a JV Initial Offer to RCI as  contemplated by
                  this  clause (d) or notifies  RCI in writing of its  intention
                  not to  deliver a JV  Initial  Offer,  RCI  shall be  entitled
                  during the period of 120 days  following (i) the expiration of
                  such 4 Business Day period,  or (ii) if JV  Shareholder  gives
                  notice that it will not deliver a JV Initial  Offer,  the date
                  such notice is received  by RCI, to complete  the  Transfer of
                  all, but not less than all, of the Offered  Securities  to any
                  bona  fide  Third  Party or Third  Parties  on such  terms and
                  conditions  as RCI shall  determine  (without  prejudice to JV
                  Shareholder's  rights hereunder in the event that no such sale
                  is completed  during such period).  The JV Initial Offer shall
                  remain open for  acceptance  by RCI for a period of 8 Business
                  Days following receipt by RCI of the JV Initial Offer or until
                  RCI rejects in writing  the JV Initial  Offer (the "JV Initial
                  Offer Period").

         (e)      Due  Diligence.  RCMCI  agrees  that JV  Shareholder  shall be
                  permitted to conduct  reasonable due diligence with respect to
                  RCMCI during the First Negotiation Period.

         (f)      RCI Response to JV Initial Offer.  During the JV Initial Offer
                  Period, unless or until RCI accepts or rejects in writing the

<PAGE>

                  JV Initial  Offer or until the expiry of the JV Initial  Offer
                  Period, RCI and JV Shareholder shall negotiate  diligently and
                  in good  faith to  attempt  to agree  upon the price and other
                  terms  and   conditions   for  the  Transfer  of  the  Offered
                  Securities to JV Shareholder.  At any time prior to the expiry
                  of the JV Initial Offer Period,  RCI may in writing accept the
                  JV Initial  Offer or RCI may in writing  reject the JV Initial
                  Offer. If at the expiry of the JV Initial Offer Period RCI has
                  not in writing  accepted  the JV Initial  Offer,  RCI shall be
                  deemed to have rejected the JV Initial Offer.

         (g)      RS Counter  Offer.  If  on the expiry of the JV Initial  Offer
                  Period an agreement for the Transfer of the Offered Securities
                  to JV  Shareholder  has not been  reached,  RCI shall within 4
                  Business  Days  following  the expiry of the JV Initial  Offer
                  Period  deliver a  written  offer to JV  Shareholder  (the "RS
                  Counter  Offer") to  Transfer  the  Offered  Securities  to JV
                  Shareholder at a price and on terms and  conditions  which RCI
                  is  prepared  to accept,  which  offer shall be at a price per
                  share no less  than 2%  greater  than the  purchase  price per
                  share set out in the JV  Initial  Offer  or,  if a  subsequent
                  offer was made by JV Shareholder, in the highest offer made in
                  writing by JV  Shareholder  to RCI during the JV Initial Offer
                  Period.  The RS Counter Offer shall remain open for acceptance
                  for a  period  of 4  Business  Days  following  receipt  by JV
                  Shareholder  of the RS Counter  Offer or until JV  Shareholder
                  rejects in writing the RS Counter Offer (the "RS Counter Offer
                  Period"). If RCI does not deliver an RS Counter Offer within 4
                  Business  Days  following  the expiry of the JV Initial  Offer
                  Period,  RCI shall cease to have any right to Transfer  any of
                  the Offered  Securities  under this section 6.1, and RCI shall
                  have  no  right  to  give  a  subsequent  Sale  Notice  to  JV
                  Shareholder  under  clause  (b)  for  a  period  of  120  days
                  following  the expiry of the JV Initial  Offer Period  without
                  prejudice  to RCI's right to give an Offer Notice under clause
                  (o).

         (h)      JV Shareholder Response to RS Counter Offer. At any time prior
                  to the expiry of the RS Counter Offer Period,  JV  Shareholder
                  may in writing:

<PAGE>

                  (i)      accept the RS Counter Offer;

                  (ii)     reject the RS Counter Offer; or

                  (iii)    reject  the RS  Counter  Offer and  deliver a written
                           offer to RCI (the "JV Final  Offer") to purchase  the
                           Offered  Securities  at a  price  and  on  terms  and
                           conditions which JV Shareholder is willing to accept,
                           which  offer  shall be at a price  per  share no less
                           than 2% greater than the purchase price per share set
                           out in the JV Initial  Offer or in the highest  offer
                           made in writing by JV  Shareholder  subsequent to the
                           JV  Initial  Offer and prior to the  expiry of the RS
                           Counter Offer Period.


                  The JV Final Offer  shall  remain  open for  acceptance  for a
                  period of 5 Business Days  following  receipt by RCI of the JV
                  Final Offer.  If on expiry of the RS Counter Offer Period,  JV
                  Shareholder  has  not in  writing  taken  one  of the  actions
                  referred  to in  subclause  (i),  (ii) or (iii) of this clause
                  (h), JV  Shareholder  shall be deemed to have  rejected the RS
                  Counter Offer.  If JV Shareholder has rejected or is deemed to
                  have  rejected  the RS Counter  Offer and if no JV Final Offer
                  has been made,  or if an JV Final  Offer has been made but RCI
                  has not in  writing  accepted  the JV Final  Offer  within the
                  period of 5 Business Days  following  receipt by RCI of the JV
                  Final  Offer,  then RCI  shall be  entitled  to  Transfer  the
                  Offered  Securities  to a Third  Party  or  Third  Parties  in
                  accordance with clause (i).

         (i)      Sale  at  Adjusted  Price.   During  the  period  of  120 days
                  following  the later of (i) the expiry of the RS Counter Offer
                  Period,  and (ii) the expiry or rejection in writing by RCI of
                  the JV  Final  Offer,  if any,  (such  period  is  hereinafter
                  referred  to as the  "Third  Party  Offer  Period"),  RCI  may
                  Transfer all, but not less than all, of the Offered Securities
                  to  any  bona  fide   Third   Party  or  Third   Parties   for
                  consideration  per share no less than the Adjusted  Price,  as
                  such term is defined in clause  (j). In the event that no sale

<PAGE>

                  to a bona fide Third Party or Third Parties has been completed
                  prior to the expiry of the Third Party Offer Period, RCI shall
                  be entitled  and  required  to comply  again with the Right of
                  First  Negotiation  in accordance  with its terms in the event
                  that  RCI  proposes  any  subsequent  Transfer  of  Securities
                  provided  that RCI  shall  have no right to give a  subsequent
                  Sale Notice to JV Shareholder under clause (b) for a period of
                  60 days  following  the expiry of the Third Party Offer Period
                  without prejudice to RCI's right to give an Offer Notice under
                  clause (o).

         (j)      "Adjusted  Price"  means for the  purposes of clause (i),  the
                  aggregate of (x) the price per share offered by JV Shareholder
                  pursuant  to  the   highest   offer  made  in  writing  by  JV
                  Shareholder  to RCI up to and  including  the JV Final  Offer,
                  plus (y) 75% of the excess of (i) the price per share  offered
                  by RCI  pursuant  to the RS Counter  Offer or  pursuant to the
                  lowest offer made in writing by RCI to JV  Shareholder  during
                  the RS  Counter  Offer  Period;  over (ii) the price per share
                  referred to in item (x) of this clause (j).

         (k)      Piggy-Back/Carry-Along  Rights.  If  RCI proposes  to Transfer
                  the  Offered  Securities  or Offer  Securities  (as defined in
                  clause  (o)) to a Third  Party  who is a  Designated  Material
                  Competitor  of  AT&T  and  if,  after  giving  effect  to such
                  Transfer,  RCI would own Securities to which are attached less
                  than a majority  of the voting  rights  sufficient  to elect a
                  majority of directors of RCMCI, then RCI shall obtain from the
                  Third Party or Third Parties a bona fide offer addressed to JV
                  Shareholder  (a  "Piggy-Back  Offer") to  purchase  all of the
                  Securities  owned by JV  Shareholder  at the same price and on
                  the same terms and  conditions  as are  contained in the offer
                  (the "Third Party  Offer") by the Third Party or Third Parties
                  to purchase the Offered Securities or the Offer Securities, as
                  the  case  may be,  provided  that  JV  Shareholder  shall  be
                  required to provide only customary representations, warranties
                  and covenants and shall not be bound by any non-competition or
                  other  obligations  of the  seller and RCI shall  deliver  the

<PAGE>

                  Piggy-Back  Offer to JV  Shareholder  no later than 5 Business
                  Days after RCI  enters  into a binding  agreement  to sell the
                  Offered  Securities or the Offer  Securities,  as the case may
                  be, to the Third  Party or Third  Parties.  To the extent that
                  the  consideration  payable to RCI under the Third Party Offer
                  consists wholly or partly of securities,  the Piggy-Back Offer
                  shall include an offer  consisting  of the same  proportion of
                  securities and an all cash offer which includes the equivalent
                  in cash of the  Fair  Market  Value  of  such  securities.  JV
                  Shareholder   shall  be   entitled   to  elect   the  form  of
                  consideration  to be paid  to it  pursuant  to the  Piggy-Back
                  Offer  provided  that if it fails to advise the Third Party or
                  Third  Parties  of its  election  within 20  Business  Days of
                  receipt  of the  Piggy-Back  Offer it shall be  deemed to have
                  elected to be paid  entirely in cash.  For greater  certainty,
                  the  Piggy-Back  Offer shall be for the same price per Class A
                  Share and Class B Share held by JV Shareholder. The Piggy-Back
                  Offer shall be irrevocable and shall be open for acceptance by
                  JV  Shareholder  by written notice to the Third Party or Third
                  Parties given within the period of 10 Business Days  following
                  receipt of the  Piggy-Back  Offer by JV  Shareholder.  RCI may
                  deliver to JV Shareholder  together with the Piggy-Back Offer,
                  written  notice to JV  Shareholder  (a  "Carry-Along  Notice")
                  requiring  that all, but not less than all, of the  Securities
                  owned by JV  Shareholder  shall be sold to the Third  Party or
                  Third  Parties  at the same  price  and on the same  terms and
                  conditions as are contained in the  Piggy-Back  Offer provided
                  that in the event such Piggy Back Offer  includes  an all cash
                  offer and an offer consisting  wholly or partly of securities,
                  JV  Shareholder  shall  be  entitled  to  elect  the  form  of
                  consideration  to be paid to it  pursuant  to the  Carry-Along
                  Notice  provided that if it fails to advise the Third Party or
                  Third  Parties  of its  election  within 20  Business  Days of
                  receipt of the  Carry-Along  Notice it shall be deemed to have
                  elected to be paid entirely in cash. JV  Shareholder  shall be
                  deemed to have accepted the Piggy-Back  Offer upon the receipt
                  by JV Shareholder of the Carry-Along Notice. If JV Shareholder
                  accepts or is deemed to accept the Piggy-Back  Offer,  closing
                  of such sale shall  occur  contemporaneously  with the sale of
                  the Offered Securities or the Offer Securities by RCI to the

<PAGE>

                  Third Party or Third Parties. It is understood and agreed that
                  the Third  Party Offer may provide for the making by the Third
                  Party or Third Parties of a Concurrent Offer to the holders of
                  the Class B Shares to purchase  their Class B Shares.  In that
                  event,  the closing of the sale of the Offered  Securities  or
                  the  Offer   Securities  and  of  the  sale  pursuant  to  the
                  Piggy-Back  Offer  shall  occur   contemporaneously  with  the
                  take-up and payment for shares under the Concurrent  Offer and
                  the  Concurrent  Offer shall be  commenced  within 20 Business
                  Days  following   acceptance  or  deemed   acceptance  of  the
                  Piggy-Back  Offer  and  take-up  and  payment  for the Class B
                  Shares  tendered  to such offer  shall  occur no later than 45
                  days after the making of the Concurrent Offer.

         Sale of Securities Without Sale of Control

         (l)      Sale of a Portion of Holdings in RCMCI.  In the event that RCI
                  gives  notice  to JV  Shareholder  under  clause  (b) that RCI
                  desires to Transfer  less than all of the  Securities it holds
                  in RCMCI and if after giving effect to such Transfer RCI would
                  continue to own  Securities  to which are  attached at least a
                  majority of the voting  rights  sufficient to elect a majority
                  of directors of RCMCI and RCI has not elected under  subclause
                  (c)(ii) to proceed  under clauses (d) to (j)  inclusive,  then
                  the  provisions  of  clauses  (m) and (n) shall  apply to such
                  sale.

         (m)      JV Shareholder  Rights.  In  the event that  RCI gives a  Sale
                  Notice to JV  Shareholder  with respect to Offered  Securities
                  other than those governed by clause (c)(i), and if RCI has not
                  elected as  permitted  under  clause  (c)(ii),  then RCI shall
                  negotiate diligently and in good faith with JV Shareholder for
                  a period of 21 days from the date of the Sale  Notice (in this
                  clause (m), the "Negotiation Period") to attempt to agree upon
                  the  terms  and   conditions  for  the  sale  of  the  Offered
                  Securities to JV Shareholder which are satisfactory to RCI and
                  JV Shareholder. If on the expiry of the Negotiation Period, an
                  agreement cannot be reached,  RCI may during the 60 day period
                  following the expiry of the Negotiation  Period,  Transfer the
                  Offered  Securities  pursuant to a sale  whereby no one Person

<PAGE>

                  upon  completion of such  Transfer  acquires in such sale from
                  RCI more than 5% of the Equity Shares outstanding,  other than
                  Persons who are  equipment,  software or service  providers to
                  the RCMCI  Group who have an  on-going  business  relationship
                  with the RCMCI  Group  which  Persons may acquire up to 10% of
                  the Equity Shares  outstanding,  provided that if such Offered
                  Securities  are  Class  A  Shares,  the  Class  A  Shares  are
                  converted  to Class B Shares  prior to the  completion  of the
                  sale and  provided  that RCI shall not  knowingly  sell any of
                  such Offered Securities to a Designated Material Competitor of
                  AT&T.  On any such  Transfer,  the price  per  share  shall be
                  greater  than the price per share  offered  by JV  Shareholder
                  pursuant  to  the   highest   offer  made  in  writing  by  JV
                  Shareholder  to RCI  prior to the  expiry  of the  Negotiation
                  Period or, if no such  offer was made,  shall be on such terms
                  and  conditions as RCI shall  determine.  In the event that no
                  Transfer to a bona fide Third Party or Third  Parties has been
                  completed prior to the expiry of the 60 day period referred to
                  in this clause (m),  RCI shall  comply again with the Right of
                  First  Negotiation  in accordance  with its terms in the event
                  that RCI proposes any subsequent sale of Securities.

         (n)      Conversion  of JV  Shareholder's  Class A  Shares.  If Class A
                  Shares are converted into Class B Shares in connection  with a
                  Transfer  described in clause (m) and such conversion of Class
                  A Shares into Class B Shares  would  result in JV  Shareholder
                  owning more than the maximum percentage of outstanding Class A
                  Shares which may be owned at that time by a non-Canadian under
                  applicable federal  legislation  limiting foreign ownership or
                  any other regulatory  requirement,  JV Shareholder agrees that
                  it will in  connection  with the  conversion of Class A Shares
                  and the Transfer of Class B Shares pursuant to clause (m) upon
                  written  notice from RCI,  convert,  within 15  Business  Days
                  following  receipt of such notice,  sufficient  Class A Shares
                  into Class B Shares, or Transfer  sufficient Class A Shares to
                  Third  Parties  (including  to a trustee  as  permitted  under
                  clause (t) below) so that JV Shareholder's  ownership of Class
                  A Shares will not exceed such foreign ownership threshold.

<PAGE>

         General

         (o)      Third Party  Offer.  If at any time when a Sale Notice has not
                  been given,  a Third Party or Third  Parties make a bona fide,
                  unsolicited,  written  offer  (the  "Third  Party  Offer")  to
                  purchase Securities (the "Offer Securities"),  which offer RCI
                  wishes to accept,  RCI shall give  written  notice (the "Offer
                  Notice")  to JV  Shareholder  irrevocably  offering  the Offer
                  Securities  for sale to JV  Shareholder,  which  notice  shall
                  include a copy of the Third Party  Offer,  and JV  Shareholder
                  shall  have the  right  by  written  notice  given to RCI (the
                  "Acceptance  Notice")  within the period of 30  Business  Days
                  following  receipt by JV  Shareholder  of the Offer  Notice to
                  purchase the Offer Securities from RCI at the price and on the
                  terms and  conditions  set forth in the Third Party Offer.  In
                  the event  that the Third  Party  Offer  offers  consideration
                  which  is  payable   wholly  or  partly  in   securities,   JV
                  Shareholder may in the Acceptance Notice offer all cash or may
                  offer  securities of JV  Shareholder  and/or its Affiliates to
                  the same extent as provided  in the Third Party  Offer,  which
                  cash and/or  securities  shall (1) have a Fair Market Value no
                  less  than the Fair  Market  Value of the  securities  offered
                  under the Third Party Offer; and (2) provide no less liquidity
                  than the securities  offered under the Third Party Offer.  The
                  purchase  by JV  Shareholder  under  this  clause (o) shall be
                  completed  on the  date  specified  by JV  Shareholder  in the
                  Acceptance  Notice  which  date  shall be no more than 15 days
                  following  receipt  by RCI of the  Acceptance  Notice.  In the
                  event  that JV  Shareholder  fails to deliver  the  Acceptance
                  Notice  as  contemplated  by this  clause  (o)  within  the 30
                  Business Day period, RCI shall be entitled,  subject to clause
                  (k) hereof,  to Transfer  the Offer  Securities  to such Third
                  Party  or  Third  Parties  at no  less  than  the  price,  and
                  substantially on the other terms and conditions,  specified in
                  the Third Party  Offer,  such  Transfer to be completed on the
                  date no  more  than 15 days  following  the  expiry  of the 30
                  Business Day Period or the date that JV  Shareholder  fails to
                  complete the purchase of the Offer Securities, as the case may
                  be. In the event that JV  Shareholder  fails to  complete  the

<PAGE>

                  purchase of the Offer  Securities by reason of a default of JV
                  Shareholder,  RCI shall be  entitled,  subject  to clause  (k)
                  hereof,  to  Transfer  the Offer  Securities  to any bona fide
                  Third Party or Third Parties upon such terms and conditions as
                  RCI shall determine provided such Transfer is completed during
                  the 120 day period following such failure (and such sale shall
                  be  without  prejudice  to any  rights  and  remedies  RCI may
                  otherwise have by reason of such default).  If any Transfer by
                  RCI to a  bona  fide  Third  Party  or  Third  Parties  is not
                  completed  as  contemplated  by this clause (o),  RCI shall be
                  required  to  comply  with the Right of First  Negotiation  in
                  accordance  with its terms in the event that RCI  proposes any
                  subsequent sale of Securities.

         (p)      Binding on the Third Parties.  This  Agreement,  including the
                  Right of First Negotiation constituted by this section 6.1 and
                  the Change of Control provisions contained in Article 8, shall
                  be binding upon any Transferee of Securities from RCI referred
                  to in clause (d), (i), (o), (r) or (v) unless either RCI or JV
                  Shareholder     has     exercised     and     completed    the
                  piggy-back/carry-along  rights  provided for in clause (k) and
                  references to RCI shall be deemed to refer to such  Transferee
                  except that a Transferee of Securities from RCI referred to in
                  clauses (o), (r) or (v) where such Transfer is not governed by
                  clause (c)(i) shall not be bound by this Agreement.

         (q)      Sale  Prohibited  under Trust  Agreement.  In the event that a
                  sale by RCI to JV  Shareholder  hereunder  would be prohibited
                  under the terms of the Trust Agreement,  JV Shareholder  shall
                  advise RCI in any notice given hereunder  offering to purchase
                  Securities or accepting an offer to Transfer Securities by RCI
                  whether or not it  proposes  to make,  or cause to be made,  a
                  Concurrent  Offer.  If JV  Shareholder  advises  RCI  that  it
                  proposes to make,  or cause to be made,  a  Concurrent  Offer,
                  then notwithstanding any other provisions of this section 6.1,
                  the  sale  by  RCI  to  JV  Shareholder   shall  be  completed
                  contemporaneously  with the  take-up  and  payment  for shares
                  under the  Concurrent  Offer and the  provisions of clause (r)
                  shall apply.

<PAGE>


         (r)      JV Shareholder  Concurrent  Offer.  If JV Shareholder  advises
                  RCI  that  it  proposes  to  make,  or  cause  to be  made,  a
                  Concurrent Offer, JV Shareholder shall commence such offer, or
                  cause  such offer to be  commenced,  within 20  Business  Days
                  following any agreement  reached by JV Shareholder and RCI for
                  the purchase by JV  Shareholder  of Securities  (the "Purchase
                  Securities")  and shall  take-up and pay for shares  under the
                  Concurrent Offer no later than 45 days after the making of the
                  Concurrent Offer. In the event that JV Shareholder advises RCI
                  that it will  make but fails to make,  or cause to be made,  a
                  Concurrent Offer, or fails to take-up and pay for shares under
                  the  Concurrent  Offer,  within the time  periods set forth in
                  this  clause (r) by reason that such  purchase  is  prohibited
                  under  applicable  law or  pursuant  to the terms of the Trust
                  Agreement  or by reason  of JV  Shareholder's  default  in its
                  obligations,  JV Shareholder shall thereupon cease to have any
                  right to purchase the Purchase Securities and RCI may, subject
                  to clause (k) hereof,  sell the Purchase  Securities to a bona
                  fide  Third  Party  or Third  Parties  provided  such  sale is
                  completed  during the 120 day period  following  such  failure
                  upon such terms and conditions as RCI shall determine. If such
                  Transfer is not so completed,  RCI shall be required to comply
                  again with the Right of First  Negotiation in accordance  with
                  its terms in the event that RCI proposes any  subsequent  sale
                  of Securities.

         (s)      Concurrent  Offer  by  Third  Party  or  Third  Parties.   Any
                  requirement   under  this  section  6.1  that  a  Transfer  of
                  Securities  to a Third  Party or Third  Parties  be  completed
                  within a specified  period  shall mean,  in the event that the
                  Transfer by RCI to the Third Party or Third  Parties  would be
                  prohibited  under the terms of the Trust Agreement  unless the
                  Third Party or Third  Parties make a  Concurrent  Offer to the
                  holders of the Class B Shares,  that such Third Party or Third
                  Parties   shall  have  agreed  in  writing  to  purchase   the
                  Securities  from RCI and to make the  Concurrent  Offer to the
                  holders  of the  Class B Shares  and that the  Third  Party or
                  Third  Parties  shall have  commenced  the  Concurrent  Offer,
                  provided that the Third Party or Third Parties take-up and pay

<PAGE>

                  for the Securities to be purchased from RCI concurrently  with
                  the  take-up  and  payment  for  Class  B  Shares   under  the
                  Concurrent  Offer and provided further that the Third Party or
                  Third  Parties  take-up  and pay for Class B Shares  under the
                  Concurrent  Offer  within  45 days  after  the  making of such
                  offer,  failing  which  the Right of First  Negotiation  shall
                  apply again to the Transfer of such Securities.

         (t)      Designation  of Third Party or Third  Parties.  JV Shareholder
                  shall have the right to designate  any Person as the purchaser
                  of Securities  pursuant to this section 6.1, including a Third
                  Party who, in JV Shareholder  's discretion,  may be a trustee
                  who will hold the  Securities in trust pending  receipt of any
                  regulatory  or other  approval  necessary  for the transfer of
                  such  Securities to JV  Shareholder  provided that such Person
                  agrees  to be bound by this  Agreement  with  respect  to such
                  Securities.

         (u)      Deferral for  Certain  Regulatory  Approvals.  Notwithstanding
                  any other provision of this section 6.1, JV Shareholder  shall
                  be  entitled  to defer the  completion  of any  purchase by JV
                  Shareholder,  or by any  Person  or a  Third  Party  or  Third
                  Parties  designated  under  clause (t), and any Third Party or
                  Third Parties purchasing  Securities  pursuant to clauses (d),
                  (i),  (k), (m), (o), (r) or (v) shall be entitled to defer the
                  completion  of any  purchase  by such  Third  Party  or  Third
                  Parties, for a period not exceeding 90 days from the making of
                  a Concurrent  Offer or, if no Concurrent  Offer is required to
                  be made,  115 days from the date of the relevant  agreement of
                  purchase  and sale,  for the sole  purpose of  permitting  the
                  purchaser  to obtain any  Investment  Canada Act,  Competition
                  Act,  Telecommunications  Act  or  other  regulatory  approval
                  necessary to the completion of such purchase.

         (v)      Failure of JV  Shareholder  to Purchase.  In the event that JV
                  Shareholder  agrees with RCI to purchase Offered Securities or
                  Offer  Securities  under this  section 6.1 and JV  Shareholder
                  ultimately  fails to complete such purchase as contemplated by
                  such  agreement  by reason that such  purchase  is  prohibited
                  under  applicable  law or  pursuant  to the terms of the Trust
                  Agreement or by reason of JV Shareholder's default in its

<PAGE>

                  obligations,  RCI shall be  entitled,  subject  to clause  (k)
                  hereof, during the period of 120 days following the failure by
                  JV  Shareholder  to  complete  the  purchase  of  the  Offered
                  Securities  or the  Offer  Securities,  as the case may be, as
                  contemplated  by this  section  6.1 to  Transfer  the  Offered
                  Securities or the Offer Securities to any Third Party or Third
                  Parties on such terms and  conditions  as RCI shall  determine
                  (without   prejudice  to  any  rights  and  remedies  RCI  may
                  otherwise have by reason of such default).

         (w)      Brand  Licence  Agreement.  In the  event of the  Transfer  of
                  Offered Securities or Offer Securities by RCI to a Third Party
                  who is a Designated  Material Competitor of AT&T (other than a
                  Designated  Material  Competitor  of AT&T  who  acquires  such
                  Offered  Securities or Offer  Securities in the public markets
                  without the prior knowledge of RCI), then ACE and Cantel shall
                  each be entitled to  terminate  the Brand  Licence  Agreement,
                  without any liability under the Brand Licence  Agreement based
                  solely on such  termination,  by written  notice  given by the
                  terminating  party to the other party within 60 days following
                  the completion of the sale of such Securities.

         (x)      Exceptions. The Right of First Negotiation in this section 6.1
                  shall not apply:

                  (i)      to any conversion by RCI of Class A Shares into Class
                           B Shares  provided that, for greater  certainty,  the
                           Right of First  Negotiation in this section 6.1 shall
                           apply  to any  subsequent  Transfer  of such  Class B
                           Shares;

                  (ii)     to any  Transfer  by RCI to any  member of the Rogers
                           Group  provided  that such  Person  agrees in writing
                           with JV  Shareholder  to be bound  by this  Agreement
                           including,  without  limitation,  the  Right of First
                           Negotiation  in this  section 6.1, to the same extent
                           as RCI and  provided  that  such  Transfer  shall not
                           release   RCI  from  its   obligations   under   this
                           Agreement;

<PAGE>

                  (iii)    to any Pledge of Securities by or on behalf of RCI to
                           a recognized financial  institution as security for a
                           bona  fide  loan  or  obligation  provided  that  the
                           pledgee  agrees in writing with JV  Shareholder to be
                           bound   by   this   Agreement   including,    without
                           limitation,  this  Article 6 and  provided  that such
                           Pledge  shall not  release  RCI from its  obligations
                           under this Agreement;

                  (iv)     to a Pledge of  Securities  by or on behalf of RCI or
                           its  Affiliates   excluded  from  the  definition  of
                           "Transfer" in section 1.1; and

         (v)      to any Transfer of Securities resulting from any amalgamation,
                  merger,   arrangement,   acquisition,   disposition  or  other
                  business   combination   involving   solely  Persons  who  are
                  wholly-owned  by  members  of the  Rogers  Group or  permitted
                  pursuant to clause 3.1(e)(xi).

         (y)      Co-operation.  The Parties shall agree to co-operate  fully in
                  the filing of all  applications  for all necessary  regulatory
                  approvals and to use their  respective  reasonable  commercial
                  efforts  to obtain  all such  necessary  regulatory  approvals
                  within the relevant time periods  referred to in Article 6. In
                  the event that a necessary regulatory approval is not obtained
                  on terms  satisfactory  to the purchaser,  acting  reasonably,
                  within such period,  the  agreement of purchase and sale shall
                  cease  to be  binding  and  enforceable  with  respect  to the
                  purchase and sale of the Securities of RCMCI subject  thereto,
                  without  prejudice to any right of the Parties to seek damages
                  for any breach of the terms and  conditions of such  agreement
                  or of this Agreement.

<PAGE>

                                   ARTICLE 7.
                        SALE OF SHARES BY JV SHAREHOLDER

7.1.     Sale of Class A Shares by JV Shareholder

         (a)      Grant of Right of First  Negotiation.  On and  subject  to the
                  terms and  conditions  of this  section  7.1,  JV  Shareholder
                  grants  to RCI for so long as RCI  holds at  least  20% of the
                  Equity Shares of RCMCI the exclusive  first right to negotiate
                  the  acquisition of any Securities  owned by JV Shareholder if
                  JV   Shareholder   wishes  to  Transfer  any  number  of  such
                  Securities.

         (b)      Notice to RCI. JV Shareholder  agrees that it will give prompt
                  written  notice to RCI of any  decision by JV  Shareholder  to
                  Transfer any  Securities,  including  the number of Securities
                  then  beneficially  owned,  directly  or  indirectly,   by  JV
                  Shareholder  in the  aggregate  and the  number  and  class or
                  series of such Securities  proposed to be Transferred (the "JV
                  Offered Securities").

         (c)      Acceptance/Rejection.  If  JV  Shareholder  gives a notice  to
                  RCI  under  clause  (b),  JV   Shareholder   shall   negotiate
                  diligently  and in good faith with RCI for a period of 21 days
                  following  receipt  by RCI of the notice  from JV  Shareholder
                  referred  to  in  clause  (b)  (in  this  clause   7.1(c)  the
                  "Negotiation  Period")  to attempt to agree upon the terms and
                  conditions to the Transfer of the JV Offered Securities to RCI
                  which are  satisfactory  to JV Shareholder  and RCI. If on the
                  expiry  of the  Negotiation  Period,  an  agreement  cannot be
                  reached,   JV  Shareholder  may,  during  the  60  day  period
                  following the expiry of the Negotiation  Period,  Transfer the
                  JV Offered  Securities  to any bona fide Third  Party or Third
                  Parties  provided  that if the JV Offered  Securities  include
                  Securities  other  than  Class  B  Shares,   such  JV  Offered
                  Securities,  if  convertible  or  exchangeable,   directly  or
                  indirectly,  into Class B Shares,  are  converted or exchanged
                  into Class B Shares prior to the  completion  of such Transfer
                  and provided that no one Person  following  completion of such
                  Transfer  acquires  more than 5% of the Equity Shares of RCMCI
                  except for  Persons  who are  equipment,  software  or service

<PAGE>

                  providers  to the RCMCI  Group who have an  on-going  business
                  relationship with the RCMCI Group which Persons may acquire up
                  to 10% of the Equity Shares outstanding. On any such Transfer,
                  the price per  Security  shall be  greater  than the price per
                  Security  offered by RCI pursuant to the highest offer made in
                  writing  by RCI to JV  Shareholder  prior to the expiry of the
                  Negotiation  Period or, if no such offer was made, shall be on
                  such terms and conditions as JV Shareholder  shall  determine.
                  In the event that no  Transfer  to a bona fide Third  Party or
                  Third Parties has been completed prior to the expiry of the 60
                  day period  referred to in this  clause  (c),  JV  Shareholder
                  shall  comply  again  with the Right of First  Negotiation  in
                  accordance  with its  terms in the event  that JV  Shareholder
                  proposes any subsequent sale of Securities.

         (d)      Binding  on   Permitted   Transferees.   The  Right  of  First
                  Negotiation  in this  section  7.1 shall be  binding  upon any
                  Permitted  Transferees  from  JV  Shareholder  of  JV  Offered
                  Securities  pursuant  to  clause  (c)  and  references  to  JV
                  Shareholder  shall  be  deemed  to  refer  to  such  Permitted
                  Transferees.

         (e)      Sale  Prohibited  under Trust  Agreement.  In the event that a
                  Transfer  by  JV  Shareholder   to  RCI  hereunder   would  be
                  prohibited  under the terms of the Trust  Agreement  RCI shall
                  advise JV Shareholder in any notice given  hereunder  offering
                  to purchase JV Offered  Securities whether or not it agrees to
                  make, or cause to be made, a Concurrent  Offer. If RCI advises
                  JV Shareholder  that it proposes to make, or cause to be made,
                  a Concurrent Offer, then  notwithstanding  any other provision
                  of this section 7.1, the sale by JV  Shareholder  to RCI shall
                  be  completed  contemporaneously  with the take-up and payment
                  for Securities  under the Concurrent  Offer and the provisions
                  of clause (f) shall apply.

         (f)      Making a Concurrent  Offer. If RCI advises JV Shareholder that
                  it proposes to make, or cause to be made, a Concurrent  Offer,
                  RCI shall  commence  such  offer,  or cause  such  offer to be
                  commenced,  within 20 Business  Days  following  an  agreement
                  being reached for the purchase by RCI of the JV Offered

<PAGE>

                  Securities  and RCI shall take-up and pay for shares under the
                  Concurrent  Offer  concurrently  with the  purchase  of the JV
                  Offered  Securities  from JV  Shareholder  (which  take-up and
                  payment  shall occur no later than 45 days after the making of
                  the  Concurrent  Offer).  In the  event  that RCI  advises  JV
                  Shareholder  it will  make but  fails to make,  or cause to be
                  made,  the Concurrent  Offer,  or fails to take-up and pay for
                  Securities  under the Concurrent Offer within the time periods
                  set forth in this clause (f) by reason  that such  purchase is
                  prohibited  under  applicable  law or pursuant to the terms of
                  the  Trust  Agreement  or by reason  of RCI's  default  in its
                  obligations,  RCI shall  thereupon cease to have any rights to
                  purchase the JV Offered Securities and JV Shareholder may sell
                  the JV Offered  Securities to a bona fide Third Party or Third
                  Parties upon such terms and conditions as JV Shareholder shall
                  determine  provided  such sale is completed  during the 60 day
                  period following such default.

         (g)      Designation  of Third Party or Third  Parties.  RCI shall have
                  the right to designate any Person as a purchaser of Securities
                  pursuant to this section 7.1, including a Third Party or Third
                  Parties  who, in RCI's  discretion,  may be a trustee who will
                  hold the Securities in trust pending receipt of any regulatory
                  or  other   approval   necessary  for  the  transfer  of  such
                  Securities  to RCI provided  such Person agrees to be bound by
                  this Agreement with respect to such Securities.

         (h)      Deferral  for Certain  Regulatory  Approvals.  Notwithstanding
                  any other provision of this section 7.1, RCI shall be entitled
                  to defer the  completion  of any  purchase  by RCI,  or by any
                  Person  or a Third  Party or Third  Parties  designated  under
                  clause (g),  and any Third Party or Third  Parties  purchasing
                  Securities  pursuant  to clause (c) shall be entitled to defer
                  the  completion  of any  purchase by such Third Party or Third
                  Parties, for a period not exceeding 90 days from the making of
                  a Concurrent  Offer or, if no Concurrent  Offer is required to
                  be made,  115 days from the date of the relevant  agreement of
                  purchase  and sale,  for the sole  purpose of  permitting  the
                  purchaser  to obtain any  Investment  Canada Act,  Competition

<PAGE>

                  Act,  Telecommunications  Act  or  other  regulatory  approval
                  necessary to the completion of such purchase.

         (i)      Failure of RCI to Purchase.  In the event that RCI agrees with
                  JV  Shareholder to purchase JV Offered  Securities  under this
                  section 7.1 and RCI ultimately fails to complete such purchase
                  as  contemplated  by such agreement by reason of RCI's default
                  in its  obligations,  JV Shareholder  shall be entitled during
                  the period of 60 days following the failure by RCI to complete
                  the purchase of the JV Offered  Securities as  contemplated by
                  this section 7.1 to Transfer the JV Offered  Securities to any
                  Third Party or Third  Parties on such terms and  conditions as
                  JV  Shareholder  shall  determine  (without  prejudice  to any
                  rights and  remedies  JV  Shareholder  may  otherwise  have by
                  reason of such default).

         (j)      Co-operation.  The Parties shall agree to co-operate  fully in
                  the filing of all  applications  for all necessary  regulatory
                  approvals and to use their  respective  reasonable  commercial
                  efforts  to obtain  all such  necessary  regulatory  approvals
                  within the relevant time periods  referred to in Article 7. In
                  the event that a necessary regulatory approval is not obtained
                  on terms  satisfactory  to the purchaser,  acting  reasonably,
                  within such period,  the  agreement of purchase and sale shall
                  cease  to be  binding  and  enforceable  with  respect  to the
                  purchase and sale of the Securities of RCMCI subject  thereto,
                  without  prejudice to any right of the Parties to seek damages
                  for any breach of the terms and  conditions of such  agreement
                  or of this Agreement.

7.2.     Exception

         (a)      The Right of First Negotiation in section 7.1 shall not apply,

                  (i)      to the  conversion  by JV  Shareholder  of Preference
                           Shares  into  Class A Shares  or Class B Shares or to
                           the  conversion of Class A Shares into Class B Shares
                           provided  that, for greater  certainty,  the Right of
                           First Negotiation in section 7.1 shall apply to any

<PAGE>

                           subsequent Transfer of such Class A Shares or Class B
                           Shares;

                  (ii)     to any Transfer by JV  Shareholder  to any  Permitted
                           Transferee   provided   that   any   such   Permitted
                           Transferee  agrees in writing with RCI to be bound by
                           this Agreement  including,  without  limitation,  the
                           Right of First  Negotiation  in this Article 7 to the
                           same extent as JV Shareholder  and provided that such
                           Transfer  shall not  release  the  transferor  of its
                           obligations under this Agreement; and

                  (iii)    to any Pledge of Securities by JV  Shareholder or any
                           Permitted   Transferee  to  a  recognized   financial
                           institution  as  security  for a bona  fide  loan  or
                           obligation   provided  that  the  pledgee  agrees  in
                           writing  with  RCI  to be  bound  by  this  Agreement
                           including,  without  limitation,  this  Article 7 and
                           provided  that  such  Pledge  shall not  release  the
                           pledgor of its obligations under this Agreement.

7.3.     Survival

         Notwithstanding  any other provision of this Agreement,  the provisions
of this Article 7 shall survive the  termination  of this Agreement with respect
to any Securities owned by JV Shareholder.

                                   ARTICLE 8.
                            CHANGE OF CONTROL OF RCI

8.1.     Application of Article 8

         The provisions of Article 8 apply only so long as:

         (a)      the Rogers Group  Controls  RCMCI or Control of RCMCI has been
                  acquired by a Person upon whom this Agreement is binding under
                  section  6.1(p) or by a Person  pursuant  to  sections  6.1(x)
                  (ii),   (iii)  and  (iv)  of  this   Agreement   (a  "Relevant
                  Transferee");

<PAGE>

         (b)      JV  Shareholder  and/or a  Permitted  Transferee  holds in the
                  aggregate at least the JV Threshold Amount; and

         (c)      the Brand  Licence  Agreement  is in  effect  or, if the Brand
                  Licence  Agreement  is  not  in  effect,   the  Brand  Licence
                  Agreement has been  terminated  by ACE in accordance  with its
                  terms due to a breach thereof by Cantel.

8.2      Definitions

         In this Article 8,

         "Acquisition of Control" has the meaning set out in section 8.5.

         "AT&T Line of Business"  means each of (i) U.S.  domestic long distance
         voice and data; (ii)  international long distance voice and data; (iii)
         local  telecommunications;  (iv) wireless  telecommunications;  and (v)
         Internet  communications  transmission  and access services (as long as
         AT&T U.S. or an Affiliate  shall continue to carry on any such business
         in a material way) and such other lines of business as are from time to
         time  publicly  reported  by  AT&T  U.S.  pursuant  to  the  rules  and
         regulations  of  the   Securities  and  Exchange   Commission  (or  its
         successor) as segmented group financial results of business operations;
         provided that, so long as RCI Controls Rogers Cablesystems  Limited and
         Rogers  Cablesystems  Limited  remains a significant  provider of cable
         services in Canada,  AT&T Line of Business shall not include  Broadcast
         Distribution  Undertakings  including traditional analog cable services
         and digital  cable  services;  and  provided  further that AT&T Line of
         Business shall also not include  businesses  publicly  reported by AT&T
         U.S. as segmented group financial results of business  operations under
         the heading "Other".

         "Broadcast Distribution Undertakings"  means "distribution undertaking"
         as set out in the Broadcasting Act (Canada).

         "Designated Material Competitor of AT&T" means:

                  (a)      a Listed Material Competitor;

<PAGE>

                  (b)      any Affiliate of a Listed Material Competitor;

                  (c)      any Person or group of Persons which is Significantly
                           Influenced by a Listed Material  Competitor and/or by
                           an Affiliate of a Listed Material Competitor; and

                  (d)      any Person who acquires all or  substantially  all of
                           the assets  used in  carrying  on the  business  of a
                           Listed  Material  Competitor  or  who  completes  any
                           amalgamation,  merger,  arrangement or other business
                           combination   with  a  Listed   Material   Competitor
                           provided that such Person  becomes a Listed  Material
                           Competitor pursuant to Section 8.4(B)(c) ;

         provided that a Person and its  Affiliates  shall be deemed not to be a
         Designated  Material Competitor of AT&T if AT&T U.S. has entered into a
         joint venture with such Person  involving  significant  equity or asset
         contributions by both parties to the joint venture, having a term of 15
         years or more, providing for the sale by the joint venture to customers
         of both parties and requiring  the entering  into of mutual,  material,
         non-competition  covenants with respect to Canada and the United States
         of America.

         "Eligible  Material  Competitor"  means   a  Person    (including   its
         Affiliates):

                  (a)      which carries on a business at the Relevant Date that
                           constitutes  significant  competition in or with AT&T
                           U.S. and  its Affiliates in an AT&T Line  of Business
                           as at the Relevant Date; and
                  (b)      which

                           (i)      either:

                                    (A)     derives  not  less  than  25% of its
                                            audited, consolidated gross revenues
                                            for  its  most  recently   completed
                                            financial  year ended on or prior to
                                            the Relevant  Date from its business
                                            which  competes  with AT&T U.S.  and
                                            its  Affiliates  in or with the AT&T
                                            Line of Business; or

<PAGE>

                                    (B)     has  a  market  share  in  the  same
                                            market as the AT&T Line of  Business
                                            of not less than 15%,  provided that
                                            AT&T U.S. (including its Affiliates)
                                            has a market share in such AT&T Line
                                            of  Business  in such  market of not
                                            less than 7.5% and

                           (ii)     in  the  case  of a  Person  which  operates
                                    primarily  outside of  Canada,  has a market
                                    capitalization  in excess of the  greater of
                                    U.S.   $7  billion  and  3%  of  the  market
                                    capitalization  of AT&T U.S. at the Relevant
                                    Date,  or in  the  case  of a  Person  which
                                    operates  primarily in Canada,  has a market
                                    capitalization  in  excess  of  125%  of the
                                    market capitalization of RCMCI as at the end
                                    of its  most  recently  completed  financial
                                    year ended on or prior to the Relevant Date.

         "group of Persons" means Persons who are acting jointly or in concert.

         "Initiating Party"  has the  meaning  set  out  in sections  8.6(b)  or
         8.7(b), as the case may be.

         "Listed  Material  Competitor"  means a Person  listed on Schedule  "B"
         hereto as the same may be revised from time to time pursuant to section
         8.4 hereof.

         "Non-Designated  Material Competitor of AT&T" means a Person who is not
         a Designated Material Competitor of AT&T.

         "Relevant Date" has the meaning set out in section 8.4 B.(b).

         "Relevant Transferee" has the meaning set out in section 8.1(a).

         "Responding Party"  has  the  meaning  set out  in  sections 8.6(a) and
         8.7(a), as the case may be.

         "Section 8.6 Shotgun Notice" has the meaning set out in section 8.6(a).

<PAGE>

         "Section 8.7 Shotgun Notice" has the meaning set out in section 8.7(a).

         "Section 8.6 Specified Purchase Price per Security" has the meaning set
         out in section 8.6(a).

         "Section 8.7 Specified Purchase Price per Security" has the meaning set
         out in section 8.7(a).

8.3      Significant Influence

         In this  Article 8, a Person or group of Persons  ("Person  B") will be
deemed to be Significantly Influenced by another Person ("Person A") if:

         (a)      Person A  owns 30% or more of  the Voting  Shares of  Person B
                  (on a fully diluted basis);

         (b)      Person  A owns 20% or more  but  less  than 30% of the  Voting
                  Shares of Person B (on a fully diluted basis) provided that no
                  other Person owns more than 50% of the Voting Shares of Person
                  B (on a fully diluted basis); or

         (c) If five or more of the following elements exist:

                  (i)      Person A has the  right  to  nominate  management  of
                           Person  B such  as,  without  limitation,  the  Chief
                           Executive Officer,  the Chief Operating Officer,  the
                           Chief Financial Officer, the senior marketing officer
                           or the senior technology officer;

                  (ii)     Person A is the largest single  shareholder of Person
                           B or holds a  sufficient  interest  in the  equity of
                           Person B to equity account for such investment;

                  (iii)    Person A has the right to nominate 25% or more of the
                           directors  of  Person  B  on  the  board  or  similar
                           governing body of Person B;

                  (iv)     Person A has granted to Person B a licence to use any
                           of its trade marks or trade names;

<PAGE>

                  (v)      Person  A has  entered  into  a  consulting  services
                           agreement,  management  services agreement or similar
                           agreement with Person B;

                  (vi)     Person  A has an  agreement  with  Person  B for  the
                           purpose of providing seamless services;

                  (vii)    Person  A is  a  member  of  the  same  international
                           telecommunications alliance of which Person B is also
                           a member; or

                  (viii)   Person A has the right to veto  either the capital or
                           operating budgets of Person B.

8.4      Changes to Schedule "B"

         A.       Changes Made by JV Shareholder

                  JV  Shareholder  shall be entitled by written  notice given to
RCI and RCMCI not more than once in each 12 month period  following  the date of
this Agreement to:

         (a)      replace  up  to  four  Listed  Material  Competitors  with  an
                  equivalent number of Eligible  Material  Competitors who shall
                  thereupon become Listed Material Competitors; and

         (b)      fill  any  vacancies  created  on  Schedule  "B"  pursuant  to
                  sections  8.4  B.(a)  or (b)  with  an  equivalent  number  of
                  Eligible  Material  Competitors  who  shall  thereupon  become
                  Listed  Material  Competitors;  provided  that  any  vacancies
                  created on Schedule "B" pursuant to section 8.4 B.(a) may only
                  be filled to the extent  that such  vacancies  resulted in the
                  number of Listed Material Competitors being fewer than 20.

         B.       Other Changes

         (a)      In the event of the acquisition of all or substantially all of
                  the  assets  used in  carrying  on the  business  of a  Listed
                  Material Competitor by another Listed Material Competitor,  an
                  amalgamation, merger, arrangement or other business

<PAGE>

                  combination of two or more Listed Material  Competitors,  then
                  the acquiring or continuing Person shall be deemed to continue
                  as a Listed  Material  Competitor  and a vacancy or  vacancies
                  shall be deemed to be created on Schedule  "B" with respect to
                  the Listed Material Competitor or Listed Material  Competitors
                  whose  assets were  acquired  or who was or were  amalgamated,
                  merged or combined with the continuing Person;

         (b)      A Listed  Material  Competitor  shall be deemed to be  deleted
                  from Schedule "B" and an equivalent vacancy shall be deemed to
                  be created in Schedule "B" if such Listed Material  Competitor
                  does not qualify to be an Eligible  Material  Competitor as at
                  the  date  of  its  annual,   audited  consolidated  financial
                  statements  for its  financial  year which ends next after the
                  sixth anniversary of the date of this Agreement in the case of
                  the original  Listed  Material  Competitors  or next after the
                  fifth  anniversary of the date of its addition to Schedule "B"
                  (in the case of a Designated Material Competitor of AT&T which
                  is added to Schedule  "B") (the  respective  date  referred to
                  being the "Relevant Date");

         (c)      In the event of the  acquisition  of all or  substantially all
                  of the assets  used in  carrying  on the  business of a Listed
                  Material Competitor or an amalgamation, merger, arrangement or
                  other business  combination with a Listed Material Competitor,
                  as  contemplated by clause (d) of the definition of Designated
                  Material  Competitor  of  AT&T  in  Section  8.2,  the  Person
                  acquiring such assets or completing such amalgamation, merger,
                  arrangement or other business combination may be placed on the
                  list on Schedule "B" in  substitution  for the Listed Material
                  Competitor whose assets such Person acquired or with whom such
                  Person  completed the  amalgamation,  merger,  arrangement  or
                  other business  combination (the "Predecessor  Listed Material
                  Competitor"),  provided  that such  Person  shall be deemed to
                  have become a Listed  Material  Competitor  as of the date the
                  Predecessor   Listed  Material   Competitor  became  a  Listed
                  Material Competitor.

<PAGE>

8.5      Acquisition of  Control  of RCI  by a Designated Material Competitor of
         AT&T

         In the  event  that  there is an  acquisition  of  Control  of RCI by a
Designated Material Competitor of AT&T (an "Acquisition of Control"):

         (a)      if, in connection with the Acquisition of Control,

                  (i)      JV  Shareholder had been given written  notice of the
                           proposed sale of Control of RCI at the earlier of (A)
                           the  earlier  of:  (i) three  Business  Days prior to
                           entering    into    a    written     confidentiality,
                           non-disclosure  or similar  agreement  or  commitment
                           with a Third Party in  connection  with  negotiations
                           with such Third Party  relating to a possible sale of
                           Control of RCI to such Third Party;  or (ii) the date
                           on  which  any  material   confidential   information
                           relating to RCMCI or its subsidiaries is disclosed to
                           such Third Party;  and (B) 30 Business  Days prior to
                           the date that a binding  agreement  was entered  into
                           with respect to the Acquisition of Control, and

                  (ii)     JV  Shareholder   was  offered  the   opportunity  to
                           participate  as a  potential  buyer  in  the  process
                           leading  to the  sale  of  Control  of RCI on a basis
                           equivalent  to Third  Parties who have  entered  into
                           negotiations to acquire Control of RCI,

              then the provisions of section 8.6 shall apply; or

         (b)      if,  in  connection  with  the  Acquisition  of  Control,   JV
                  Shareholder had not been given the notice in the time referred
                  to in clause (a)(i)  above,  or had been given such notice but
                  had not been offered the  opportunity  to  participate  in the
                  sale process as referred to in clause (a)(ii) above,  then the
                  provisions of section 8.7 shall apply.

         For greater  certainty,  RCI and RCMCI shall not have any obligation to
JV  Shareholder  to give the  notice or to offer the  participation  in the sale
process referred to in clause (a) above. The only consequence of JV Shareholder

<PAGE>

not  receiving  such  notice,  or  receiving  such  notice  but not the offer to
participate,  is that  section  8.7  shall  be  applicable  in the  event  of an
Acquisition of Control.

8.6      Shotgun Rights at FMV plus 5%

         (a)      Either RCI or JV Shareholder  shall have the right but not the
                  obligation within a period of 90 days following the closing of
                  an Acquisition of Control to which this section 8.6 applies to
                  deliver to the other party a notice in writing  (the  "Section
                  8.6 Shotgun  Notice")  offering  to purchase  all but not less
                  than all of the  Securities  of RCMCI owned by the other party
                  at the purchase  price per Security  specified in such notice,
                  payable in cash (the "Section 8.6 Specified Purchase Price per
                  Security");  provided that the Section 8.6 Specified  Purchase
                  Price per  Security  may not  exceed  105% of the Fair  Market
                  Value per Security of RCMCI.  Upon the giving of a Section 8.6
                  Shotgun   Notice,   the  party   receiving  such  notice  (the
                  "Responding Party") shall thereupon cease to have the right to
                  give a Section  8.6  Shotgun  Notice  under this  section  8.6
                  unless the  purchase  and sale  pursuant  to the  Section  8.6
                  Shotgun  Notice so given is not completed as  contemplated  by
                  this section  8.6,  other than by reason of the default of the
                  Responding  Party,  in which case, the Responding  Party shall
                  thereupon  be entitled  to give a Section  8.6 Shotgun  Notice
                  under this section 8.6 during the period of 30 days  following
                  the failure of the purchaser to complete any such purchase and
                  sale.

         (b)      The  Responding  Party shall have a period of 30 days from the
                  date of receipt by the  Responding  Party of the  Section  8.6
                  Shotgun Notice during which the Responding Party may deliver a
                  written  notice to the party  giving the  Section  8.6 Shotgun
                  Notice (the "Initiating Party") either:

                  (i)      accepting  the  offer to  purchase  contained  in the
                           Section  8.6 Shotgun  Notice and thereby  agreeing to
                           sell all but not  less  than  all the  Securities  of
                           RCMCI owned by the Responding Party to the Initiating
                           Party at the Section 8.6 Specified Purchase Price per
                           Security; or

<PAGE>

                  (ii)     rejecting  the  offer  to  purchase  set  out  in the
                           Section 8.6 Shotgun Notice.

         (c)      In the event  that the  Responding  Party  fails to  deliver a
                  written  notice  either  accepting or  rejecting  the offer to
                  purchase  on the terms and  conditions  set out in the Section
                  8.6 Shotgun  Notice,  the Responding  Party shall be deemed to
                  have accepted the offer to purchase and to have agreed to sell
                  all but not less than all the Securities of RCMCI owned by the
                  Responding  Party to the Initiating  Party for the Section 8.6
                  Specified Purchase Price per Security payable in cash.

         (d)      In the event  that the  Responding  Party  delivers  a written
                  notice  rejecting the offer to purchase set out in the Section
                  8.6 Shotgun  Notice,  the Initiating  Party shall thereupon be
                  deemed to have agreed to sell and the  Responding  Party shall
                  thereupon  be deemed to have  agreed to  purchase  all and not
                  less  than  all  of  the  Securities  of  RCMCI  owned  by the
                  Initiating  Party at the Section 8.6 Specified  Purchase Price
                  per Security, payable in cash.

8.7      Shotgun Rights at any Specified Purchase Price per Security

         (a)      Either RCI or JV  Shareholder shall have the right but not the
                  obligation within a period of 90 days following the closing of
                  an Acquisition of Control to which this section 8.7 applies to
                  deliver to the other party a notice in writing  (the  "Section
                  8.7 Shotgun  Notice")  offering  to purchase  all but not less
                  than all of the  Securities  of RCMCI owned by the other party
                  at the purchase  price per Security  specified in such notice,
                  payable in cash (the "Section 8.7 Specified Purchase Price per
                  Security").  Upon the giving of a Section 8.7 Shotgun  Notice,
                  the party receiving such notice (the "Responding Party") shall
                  thereupon  cease  to have  the  right  to give a  Section  8.7
                  Shotgun  Notice under this section 8.7 unless the purchase and
                  sale  pursuant to the  Section 8.7 Shotgun  Notice so given is
                  not completed as  contemplated by this section 8.7, other than
                  by reason of the  default of the  Responding  Party,  in which
                  case, the Responding Party shall thereupon be entitled to give
                  a Section 8.7 Shotgun Notice under this section 8.7 during the

<PAGE>

                  period of 30 days  following  the failure of the  purchaser to
                  complete any such purchase and sale.

         (b)      The  Responding  Party shall have a period of 30 days from the
                  date of receipt by the  Responding  Party of the  Section  8.7
                  Shotgun Notice during which the Responding Party may deliver a
                  written  notice to the party  giving the  Section  8.7 Shotgun
                  Notice (the "Initiating Party") either:

                  (i)      accepting  the  offer to  purchase  contained  in the
                           Section  8.7 Shotgun  Notice and thereby  agreeing to
                           sell all but not  less  than  all the  Securities  of
                           RCMCI owned by the Responding Party to the Initiating
                           Party at the Section 8.7 Specified Purchase Price per
                           Security; or

                  (ii)     rejecting  the  offer  to  purchase  set  out  in the
                           Section 8.7 Shotgun Notice.

         (c)      In the event  that the  Responding  Party  fails to  deliver a
                  written  notice  either  accepting or  rejecting  the offer to
                  purchase  on the terms and  conditions  set out in the Section
                  8.7 Shotgun  Notice,  the Responding  Party shall be deemed to
                  have accepted the offer to purchase and to have agreed to sell
                  all but not less than all the Securities of RCMCI owned by the
                  Responding  Party to the Initiating  Party for the Section 8.7
                  Specified Purchase Price per Security payable in cash.

         (d)      In the event  that the  Responding  Party  delivers  a written
                  notice  rejecting the offer to purchase set out in the Section
                  8.7 Shotgun  Notice,  the Initiating  Party shall thereupon be
                  deemed to have agreed to sell and the  Responding  Party shall
                  thereupon  be deemed to have  agreed to  purchase  all but not
                  less  than  all  of  the  Securities  of  RCMCI  owned  by the
                  Initiating  Party at the Section 8.7 Specified  Purchase Price
                  per Security, payable in cash.

<PAGE>

8.8      Acquisition of Control of  RCI by a Non-Designated  Material Competitor
         of AT&T


         In the  event  that  there is an  acquisition  of  Control  of RCI by a
Non-Designated  Material  Competitor of AT&T,  the  provisions of this Agreement
shall  continue  in full  force and  effect,  unamended,  and the Brand  Licence
Agreement  shall not be  affected by such  acquisition  of Control of RCI by the
Non-Designated Material Competitor of AT&T.

8.9      Change of Status of Non-Designated Material Competitor of AT&T

         In the event that a Non-Designated Material Competitor of AT&T acquires
Control  of RCI and at any  time  after  such  acquisition  such  Non-Designated
Material Competitor of AT&T:

         (a)      becomes Controlled or Significantly Influenced by a Person who
                  is a Designated  Material  Competitor of AT&T at the time such
                  Non-Designated   Material   Competitor   of  AT&T  becomes  so
                  Controlled or Significantly Influenced;

         (b)      acquires  Control of a Person  that is a  Designated  Material
                  Competitor  of AT&T at the time such  Non-Designated  Material
                  Competitor of AT&T acquires Control of such Person; or

         (c)      becomes  an  Eligible  Material  Competitor  and is  added  to
                  Schedule B pursuant to section 8.4;

then,  when either RCI or JV Shareholder  becomes aware of the occurrence of one
or more of the events  referred to in (a), (b) or (c) of this section 8.9,  such
Party shall give written  notice to the other Parties and within 90 days of such
notice, either RCI or JV Shareholder may deliver the Section 8.6 Shotgun Notice,
and section 8.6 shall then apply,  mutatis mutandis and either Cantel or ACE may
terminate  the Brand  Licence  Agreement in  accordance  with  section  8.11(f),
mutatis mutandis.  Notwithstanding the foregoing provisions of this section 8.9,
in the event that,  following the  occurrence of an event  referred to in either
section 8.9(b) or section 8.9(c), the Non-Designated Material Competitor of AT&T
that either acquired Control of a Designated  Material  Competitor of AT&T under
section 8.9(b) or became an Eligible Material Competitor and is added to

<PAGE>

Schedule B under  section  8.9(c)  provides a written  notice to JV  Shareholder
within 30 days of the  occurrence  of either such event  ("Divestiture  Notice")
that  such  Non-Designated  Material  Competitor  of AT&T  intends  to divest or
otherwise  transfer to a Person or Persons  with whom its deals at arm's  length
that is not its  Affiliate  within a period of not more than 12 months  from the
date of the occurrence of the respective  event so that,  after giving effect to
such divestitures and transfers, such Non-Designated Material Competitor of AT&T
neither Controls a Designated  Material  Competitor nor is an Eligible  Material
Competitor, then neither RCI nor the JV Shareholder shall be entitled to deliver
the  section  8.6  Shotgun  Notice  unless  (i)  such  Non-Designated   Material
Competitor of AT&T has not commenced its  divestitures  and transfers  within 90
days of the date of receipt of the  Divestiture  Notice;  or (ii) the  necessary
divestitures  and transfers are not completed  within 12 months from the date of
the occurrence of the respective  event under section 8.9(b) or section  8.9(c),
as the case may be.

8.10     Fair Market Value per Security of RCMCI

         (a)      For the  purposes of section  8.6,  the Fair Market  Value per
                  Security  of RCMCI shall be  determined  as of the date of the
                  Acquisition  of Control and for the purpose of section 8.9 the
                  Fair Market Value per Security of RCMCI shall be determined as
                  of the date upon which the notice of  exercise  of the Section
                  8.6 Shotgun  Notice is given and, in each case,  in accordance
                  with this section 8.10.

         (b)      Either  RCI  or JV  Shareholder  may at any  time  appoint  an
                  internationally recognized valuator under this section 8.10 by
                  written  notice  (the  "appointment   notice")  to  the  other
                  identifying  the  valuator  so  appointed.  The other may then
                  appoint a second valuator by written notice to the party which
                  gave the appointment  notice, such written notice appointing a
                  second  valuator to be given within 15 days following  receipt
                  by the  other  party of an  appointment  notice.  Failing  the
                  appointment of a second valuator by such notice,  the valuator
                  identified  in  the  appointment  notice  shall  be  the  sole
                  valuator for all purposes of this section 8.10.

<PAGE>

         (c)      Any valuator appointed under this section 8.10 shall determine
                  the Fair  Market  Value per  Security  of RCMCI  pursuant to a
                  formal   valuation   prepared  in   accordance   with  Ontario
                  Securities  Commission  Policy 9.1 (or its successor from time
                  to time), including independence of the valuator, applying the
                  valuation  rules and  practices  as have been  outlined by the
                  Canadian  Institute  of  Chartered  Business  Valuators.  Fair
                  Market Value shall be the maximum monetary consideration that,
                  in an open and  unrestricted  market,  a prudent and  informed
                  buyer would pay to a prudent and informed seller,  each acting
                  at arm's length with the other and under no compulsion to act.
                  The  valuation  shall not  include a  downward  adjustment  to
                  reflect the  liquidity  of the  Securities,  the effect of the
                  transaction  on the Securities or the fact that the Securities
                  may not form part of a Controlling interest.

         (d)      Each party  appointing  a valuator  under  clause (b) shall be
                  liable for the fees of such valuator.

         (e)      Immediately upon appointment,  the valuator or valuators shall
                  proceed to  determine  the Fair Market  Value per  Security of
                  RCMCI.  Such  determination  shall be made as expeditiously as
                  possible and in any event within a period of 60 days following
                  the  appointment of such valuator or valuators.  Each valuator
                  shall  specify in its  valuation  the dollar amount (and not a
                  range of dollar  amounts)  which it  considers  to be the Fair
                  Market Value per Security of RCMCI.

         (f)      Upon a  determination  by a valuator of the Fair Market  Value
                  per  Security  of RCMCI,  the  valuator  shall give  notice in
                  writing  to  each  of  RCI  and  JV  Shareholder  that  it has
                  completed its valuation,  but without disclosing the amount of
                  such  valuation,   and  when  both  valuations  (the  "initial
                  valuations") have been completed, the initial valuations shall
                  be simultaneously delivered to each of RCI and JV Shareholder,
                  together with  reasonable  particulars of the basis upon which
                  such value was determined.

<PAGE>

         (g)      Subject  to  clause  (b) and (h),  the Fair  Market  Value per
                  Security  of RCMCI  shall be the  average  of the Fair  Market
                  Values  per  Security  of  RCMCI  of the  relevant  Securities
                  determined in the initial valuations.

         (h)      If the Fair Market Value per  Security of RCMCI determined  by
                  one valuator in an initial  valuation is more than 10% greater
                  than the Fair Market Value per Security of RCMCI determined by
                  the second valuator in the other initial  valuation,  then RCI
                  and JV  Shareholder  shall  agree as to the  appointment  of a
                  third valuator.  Failing such agreement, the auditors of RCMCI
                  (who shall be one of the five largest  international  firms of
                  chartered  accountants) shall, at the request of either RCI or
                  JV Shareholder  made within seven days  following  delivery of
                  the  initial  valuations  to each  of RCI and JV  Shareholder,
                  appoint  a third  valuator  who  shall  be an  internationally
                  recognized  valuator.  The third valuator shall  determine the
                  Fair Market  Value per  Security of RCMCI in  accordance  with
                  this  section  8.10  within  60  days  after  the  date of its
                  appointment  and shall deliver its  valuation  and  reasonable
                  particulars  of the basis upon which such value was determined
                  to each of RCI and JV Shareholder upon completion. For greater
                  certainty,  the third valuator shall not receive copies of the
                  initial valuations or be advised of the dollar amounts arrived
                  at  in  the  initial  valuations  prior  to  delivery  of  the
                  valuation  of the third  valuator.  The Fair Market  Value per
                  Security of RCMCI for  purposes of this  section 8.10 shall be
                  the Fair Market  Value  determined  in the  initial  valuation
                  which is  closest to the Fair  Market  Value per  Security  of
                  RCMCI as  determined  by the  valuator  appointed  under  this
                  clause (h). The reasonable fees of the third valuator shall be
                  borne equally by RCI and JV Shareholder.

         (i)      The  determination  of Fair Market Value per Security of RCMCI
                  pursuant  to this  section  8.10 shall be final and binding on
                  RCI and JV Shareholder and shall not be subject to appeal.

<PAGE>

         (j)      Each of RCI and JV  Shareholder  agrees to  co-operate in good
                  faith with each other and the  valuator or valuators to permit
                  the  determination  of the Fair Market  Value per  Security of
                  RCMCI.

8.11     General

         (a)      A Section 8.6 Shotgun  Notice or a Section 8.7 Shotgun  Notice
                  may not  contain  any  terms  and  conditions  to the offer to
                  purchase the Securities of RCMCI other than:

                  (i)      the  receipt of all  necessary  regulatory  approvals
                           applicable  to  the  transfer  of  ownership  of  the
                           applicable  Securities of RCMCI to the purchaser,  on
                           terms and conditions  satisfactory  to the purchaser,
                           acting  reasonably,  within a period not exceeding 90
                           days from the making of a Concurrent  Offer or, if no
                           Concurrent  Offer is  required  to be made,  115 days
                           from the date the relevant  agreement of purchase and
                           sale is entered  into or is deemed to be entered into
                           between the parties; and

                  (ii)     the delivery of the required closing documents by the
                           parties to transfer to the  purchaser  legal title to
                           the Securities of RCMCI to be purchased and sold.

         (b)      The  parties shall agree to  co-operate fully in the filing of
                  all applications for all necessary regulatory approvals and to
                  use their respective  reasonable  commercial efforts to obtain
                  all such necessary  regulatory  approvals  within the relevant
                  time period referred to in clause (a)(i).  In the event that a
                  necessary   regulatory  approval  is  not  obtained  on  terms
                  satisfactory to the purchaser, acting reasonably,  within such
                  period,  the  agreement  of purchase and sale  resulting  from
                  delivery of a Shotgun at FMV Notice or a Shotgun  Notice shall
                  cease  to be  binding  and  enforceable  with  respect  to the
                  purchase and sale of the Securities of RCMCI subject  thereto,
                  without  prejudice to any right of the parties to seek damages
                  for any breach of the terms and  conditions of such  agreement
                  or of this Agreement.

<PAGE>

         (c)      Subject to clause (b), the agreement of purchase and sale that
                  results  from the  delivery  of a Shotgun  at FMV  Notice or a
                  Shotgun  Notice  shall be  closed on the  fifth  Business  Day
                  following receipt of all necessary regulatory approvals.

         (d)      Any sale of  Securities of RCMCI  pursuant to the agreement of
                  purchase  and sale that results from the delivery of a Section
                  8.6 Shotgun Notice or a Section 8.7 Shotgun Notice must not be
                  prohibited   under  the  Trust   Agreement  or  the  JV  Trust
                  Agreement, if applicable. If such sale is prohibited or if the
                  purchaser  having  agreed to make a Concurrent  Offer fails to
                  purchase  or cause to be  purchased  the  Securities  of RCMCI
                  deposited  under such  Concurrent  Offer,  the seller shall be
                  relieved of all  obligations  under the  agreement of purchase
                  and sale that  results  from the  delivery  of a  Section  8.6
                  Shotgun  Notice  or  a  Section  8.7  Shotgun  Notice  without
                  liability to the  purchaser.  The foregoing  shall not relieve
                  the purchaser of any liability  arising from any breach of the
                  terms and  conditions of the agreement of purchase and sale or
                  of this Agreement.

         (e)      Either RCI or JV Shareholder shall have the right to designate
                  an  Affiliate  or a  Third  Party  or  Third  Parties  as  the
                  purchaser  of the  Securities  of  RCMCI  who in that  party's
                  discretion  may be a trustee who will hold the  Securities  in
                  trust in order to comply  with or pending  the  receipt of all
                  necessary  regulatory  approvals  for  the  transfer  of  such
                  Securities to the purchasing party.

         (f)      In the event that there is an Acquisition  of Control,  Cantel
                  and ACE shall each be entitled to cancel in each case  without
                  any liability therefor, the Brand Licence Agreement by written
                  notice  given  by the  terminating  party to the  other  party
                  within 60 days following the Acquisition of Control.

<PAGE>

                                   ARTICLE 9.
                                PRE-EMPTIVE RIGHT

9.1      Pre-Emptive Right of JV Shareholder

         RCMCI agrees that if RCMCI or any of its subsidiaries issues any Equity
Shares or Convertible  Securities (the "Additional  Securities")  (other than to
another member of the RCMCI Wholly-Owned Group), RCMCI shall, or shall cause its
subsidiary to, contemporaneously with such issuance or promptly thereafter offer
to JV  Shareholder  the right to  subscribe  for and  purchase  a number of such
Additional  Securities so that JV Shareholder can maintain the voting and equity
interest in the RCMCI Group (determined on a diluted basis) which JV Shareholder
held  immediately  prior to the issue of the  Additional  Securities at the same
cash subscription price (or if the subscription price was paid in property,  the
amount  added to stated  capital of the class of shares of RCMCI being issued in
respect of such property) in respect of such Additional  Securities.  Such offer
shall  be made in  writing  by RCMCI  to JV  Shareholder  and  shall  contain  a
description of the terms and conditions of the Additional Securities,  the price
at which the Additional  Securities are to be or have been issued and the number
of Additional Securities which JV Shareholder is entitled to purchase under this
section  and the offer  shall  state that if JV  Shareholder  wishes to purchase
Additional  Securities  under this section,  it may do so only by giving written
notice of exercise of such right to RCMCI within 30 days  following  the date of
the offer to JV  Shareholder.  The offer shall also state that if JV Shareholder
wishes to subscribe for a number of Additional  Securities  less than the number
to which it is entitled under this section,  JV Shareholder may do so and shall,
in the  notice of  exercise  of the  offer,  specify  the  number of  Additional
Securities that JV Shareholder  wishes to purchase.  RCMCI shall not be required
to offer to JV Shareholder  any  securities  issuable upon the conversion of, or
otherwise issuable pursuant to, a Convertible Security so long as JV Shareholder
was offered the right to acquire such  Convertible  Security in accordance  with
this section 9.1.

<PAGE>

9.2      Non-Applicability of Pre-Emptive Right

         The  provisions  of section  9.1 shall not apply to any issue of Equity
Shares or Convertible Securities:

         (a)      pursuant  to the  conversion  of Class A Shares  into  Class B
                  Shares  or  pursuant  to the  exercise  of any  conversion  or
                  exchange   right   attached  to  any   currently   outstanding
                  Convertible Security of RCMCI;

         (b)      to a director,  officer or  employee  of RCMCI  pursuant to an
                  employee  stock option plan,  employee  stock purchase plan or
                  other employee stock incentive plan of RCMCI provided that the
                  Equity  Shares  issuable  pursuant to such plans do not exceed
                  10% of the then outstanding number of Equity Shares.

9.3      Pre-Emptive Right of RCI

         RCMCI agrees that RCI shall have a pre-emptive  right on the same terms
and conditions as the pre-emptive  right granted to JV Shareholder under section
9.1 and the provisions of sections 9.1 and 9.2 shall apply, mutatis mutandis, to
the pre-emptive right granted by RCMCI to RCI under this section 9.3.



                                   ARTICLE 10.
                               CLOSING PROCEDURES

10.1.    Closing Procedures

         Except as otherwise expressly provided in this Agreement, if a purchase
and sale of Securities is made pursuant to this  Agreement,  the following shall
apply:

         (a)      Payment of Purchase  Price and Delivery of  Certificates.  The
                  purchase price shall be paid on closing. If the purchase price
                  is  payable  in cash,  it shall  be paid by wire  transfer  in
                  immediately  available  funds or in such  other  manner as the
                  Purchaser and Vendor may agree upon.  The purchase price shall
                  be paid against receipt of the share certificate or

<PAGE>

                  certificates   representing   the  Securities  or  Convertible
                  Securities  being  purchased,  duly  endorsed  for transfer in
                  blank with signatures  guaranteed by a Canadian chartered bank
                  or trust company.

         (b)      Date and Time of Closing.  If the date for  completion  of any
                  transaction of purchase and sale falls on a day which is not a
                  Business Day, the transaction  shall be completed on the first
                  Business Day following such date.  Closing shall take place at
                  11:00 a.m. on the date for completion at the registered office
                  of RCMCI.

         (c)      Title.  The acceptance by the vendor of payment for the Equity
                  Shares or  Convertible  Securities  being  purchased  and sold
                  shall constitute a  representation  and warranty by the vendor
                  that  the  vendor  has  good  and  marketable  title  to  such
                  Securities  or  Convertible  Securities  free and clear of any
                  Pledge or adverse claim  (collectively,  the "Liens"),  except
                  the  terms  of  this  Agreement  and the  Related  Agreements.
                  Notwithstanding the foregoing, the vendor shall deliver to the
                  purchaser  all such  documents,  instruments  and releases and
                  shall  do all  such  acts  and  things  as the  purchaser  may
                  reasonably request,  whether before or after completion of the
                  transaction,  to vest  such  title in the  purchaser  free and
                  clear of all Liens except the terms of this  Agreement and the
                  Related Agreements.

         (d)      Failure to Complete  Sale.  If, at  the time  of closing,  the
                  vendor  shall  not  complete  the  sale  for any  reason,  the
                  purchaser  shall have the right to deposit the purchase  price
                  for the  Securities or Convertible  Securities,  if any, to be
                  purchased and sold for the account of the vendor in an account
                  with the bankers of RCMCI and such  deposit  shall  constitute
                  valid  and  effective  payment  of the  purchase  price to the
                  vendor.  Thereafter  the  purchaser  shall  have the  right to
                  execute and deliver any deeds,  stock transfers,  assignments,
                  resignations,  releases  and other  documents  as may,  in the
                  reasonable opinion of the purchaser, be necessary or desirable
                  in  order to  complete  the  transaction.  If  payment  of the
                  purchase  price is so deposited,  then from and after the date
                  of deposit,  notwithstanding  that certificates or instruments
                  evidencing the  Securities or  Convertible  Securities may not
                  have been  delivered  to the  purchaser,  the  purchase of the
                  Securities or Convertible  Securities  shall be deemed to have

<PAGE>

                  been fully completed and the records of RCMCI shall be amended
                  accordingly and all right, title,  benefit and interest,  both
                  at law and in equity,  in and to the Securities or Convertible
                  Securities   shall  be   conclusively   deemed  to  have  been
                  transferred and assigned to and become vested in the purchaser
                  and all  right,  title and  interest  of the vendor and of any
                  other Person  (other than the  purchaser)  having any interest
                  therein, legal or equitable,  in any capacity whatsoever shall
                  cease.



                                   ARTICLE 11.
                                   ARBITRATION

11.1.    Mediation and Arbitration

         Any dispute arising out of or in relation to this Agreement,  including
any dispute in relation to its breach,  existence,  validity or termination,  or
whether an issue is  arbitrable  ("Disputes")  which cannot be settled  within a
reasonable period of time (not exceeding 30 days from the date of written notice
from any  party  to  another  describing  the  nature  of the  dispute)  through
negotiation,  shall be submitted to a sole mediator  selected by the Parties or,
at any time at the option of a Party,  to mediation  by a mediator  appointed by
the  Arbitration  and Mediation  Institute of Ontario Inc.,  (the "AMI"),  which
mediation shall be governed by the  then-current  mediation rules of the AMI. If
not thus  resolved,  the  Dispute  shall  be  referred  to a panel of three  (3)
arbitrators  (none of whom may have any  conflict  with the issues  forming  the
subject matter of the arbitration or with the Parties to the arbitration and all
of whom have the required  expertise  for the issues  forming the subject of the
arbitration)  selected by the Parties,  with one  arbitrator  to be appointed by
each  Party and the third  arbitrator  to be  agreed  upon by both  RCMCI and JV
within  thirty (30) days of the  termination  of mediation or, in the absence of
such  selection,  to a panel  of  three  arbitrators  appointed  by the AMI upon
application  of  either  Party,  which  arbitration  shall  be  governed  by the
Arbitration  Act, 1991 (Ontario) and the then-current  arbitration  rules of the
AMI and judgement on the award may be entered in any court having  jurisdiction.
Any  mediator  or  arbitrator  selected  shall be  qualified  by  education  and
experience to decide the matter in dispute and shall deal at arm's length to the

<PAGE>

Parties.  The arbitrators  shall determine issues of  arbitrability  but may not
award punitive  damages or limit,  expand or otherwise  modify the terms of this
Agreement. The arbitrators shall send a copy of their decision to the Parties as
soon as practicable  after conclusion of the final hearing,  but in any event no
later than sixty (60) days after the final  hearing,  unless that time period is
extended for a fixed period by the  arbitrators  on written notice to each Party
because of illness or other cause beyond the arbitrators'  control. The decision
of the  arbitrators  shall be final and  binding on the Parties and shall not be
subject to any appeal or review if the  arbitrators  have  followed the rules of
the AMI and have proceeded in accordance with the principles of natural justice.
The Parties, their  representatives,  other participants and the mediator and/or
the  arbitrators  shall hold the existence,  content and result of the mediation
and/or  arbitration in confidence to the greatest extent permitted by applicable
law.

11.2.    Injunctive Relief

         Notwithstanding arbitration pursuant to section 11.1 above, the Parties
acknowledge that money damages are not an adequate remedy for violations of this
Agreement  and that any Party may,  in its sole  discretion,  apply  prior to or
during   arbitration   pursuant  to  section  11.1,  to  a  court  of  competent
jurisdiction  for specific  performance  or  injunctive  relief on an interim or
interlocutory  basis as such  court may deem just and proper in order to enforce
this  Agreement or prevent any violation  hereof at an interim or  interlocutory
stage and, to the extent  permitted  by  applicable  law,  each Party waives any
objection to the imposition of such relief.

                                   ARTICLE 12.
                               GENERAL PROVISIONS

12.1.    Term

         This Agreement  shall come into force and effect as of the date set out
on the first page of this Agreement and, except as otherwise  expressly provided
in this Agreement, shall continue in force until the earliest of:

         (a)      the 180th day following the date on which JV  Shareholder  and
                  any Permitted  Transferees first cease to own in the aggregate
                  at least the JV Threshold  Amount provided that JV Shareholder
                  and any Permitted Transferees cease to own in the aggregate at
                  least the JV Threshold Amount throughout such 180 day period;

<PAGE>

                  Notwithstanding  section 12.1(a), if JV Shareholder shall have
                  given written  notice (the  "Purchase  Notice") to RCMCI,  not
                  later than 90 days prior to the expiry of such 180 day period,
                  advising  RCMCI  of the  fact  that  JV  Shareholder  and  any
                  Permitted  Transferees ceased to own in the aggregate at least
                  the JV  Threshold  Amount,  setting  out  details  of the then
                  ownership of  Securities by JV  Shareholder  and its Permitted
                  Transferees  and subscribing to RCMCI at Fair Market Value for
                  such number of  authorized  and unissued  Class B Shares as is
                  necessary for JV Shareholder and any Permitted  Transferees to
                  own in the  aggregate at least the JV  Threshold  Amount after
                  giving  effect to such  subscription  and either (A) RCMCI has
                  failed to issue such Class B Shares to JV  Shareholder  or its
                  Permitted  Transferees  at such price or (B) such  shares have
                  been issued to JV  Shareholder  or its Permitted  Transferees,
                  such that JV Shareholder and its Permitted  Transferees own at
                  least  the JV  Threshold  Amount,  then this  Agreement  shall
                  continue in full force and effect. JV Shareholder shall not be
                  entitled to give the Purchase  Notice if both of AT&T U.S. and
                  its Affiliates on the one hand, and BT and its Affiliates,  on
                  the  other  hand,  have  Transferred  Class B Shares  (whether
                  directly or indirectly through JV Shareholder)  otherwise than
                  to  the  Rogers  Group  or  to  Permitted   Transferees.   Any
                  Additional  Class B Shares  issued  pursuant  to this  section
                  12.1(a)  shall not be  counted  for  purposes  of  determining
                  whether  RCMCI is  entitled  to  exercise  its rights to issue
                  Equity Shares under section 3.1(e)(vi);

         (b)      having  ceased  to  own  in  the  aggregate  at  least  the JV
                  Threshold  Amount and having  thereafter  acquired  sufficient
                  Securities  to again  own in the  aggregate  at  least  the JV
                  Threshold  Amount as  contemplated  in clause  (a)  above,  JV
                  Shareholder and any Permitted Transferees  thereafter cease to
                  own the JV Threshold Amount;

<PAGE>

         (c)      at any time that JV  Shareholder and any Permitted Transferees
                  cease to own in the  aggregate  at least 5% of the outstanding
                  Securities;

         (d)      in the  event  JV  Shareholder  is  required  to  convert  its
                  Securities into Class B Shares in compliance with section 4.4;
                  and

         (e)      the date on which  this  Agreement  is  terminated  by written
                  agreement of all of the Parties.

12.2.    Termination Not to Affect Rights or Obligations

         The  termination  of this  Agreement  shall not affect or prejudice any
rights or obligations which have accrued or arisen under this Agreement prior to
the time of  termination  and such  rights and  obligations  shall  survive  the
termination of this Agreement.

12.3.    Notices

         Any notice or other  communication  required or  permitted  to be given
hereunder shall be in writing and shall be given by prepaid first-class mail, by
facsimile or other means of  electronic  communication  or by  hand-delivery  as
hereinafter  provided.  If any notice or other communication shall be given by a
method other than facsimile or other means of electronic  communication,  a copy
of such notice or other communication will be delivered by facsimile as outlined
below but failure to do so will not constitute failure to provide proper notice.
Any such notice or other communication, if mailed by prepaid first-class mail at
any time other than during a general discontinuance of postal service due to

<PAGE>

strike, lockout or otherwise, shall be deemed to have been received on the third
Business  Day after the  post-marked  date  thereof,  or if sent by facsimile or
other means of electronic  communication,  shall be deemed to have been received
on the day  received if received  prior to 5:00 p.m.  (local time) on a Business
Day,  otherwise on the  following day that is a Business Day, or if delivered by
hand shall be deemed to have been  received at the time it is  delivered  to the
applicable  address noted below either to the individual  designated below or to
an individual at such address having apparent  authority to accept deliveries on
behalf of the  addressee.  Notice of change of address shall also be governed by
this section. In the event of a general  discontinuance of postal service due to
strike,  lock-out  or  otherwise,  notices  or  other  communications  shall  be
delivered  by  hand  or  sent  by   facsimile  or  other  means  of   electronic
communication  and shall be deemed to have been received in accordance with this
section. Notices and other communications shall be addressed as follows:

         (a)      if to RCMCI:

                  Rogers Cantel Mobile Communications Inc.
                  333 Bloor Street East, 10th Floor
                  Toronto, Ontario
                  M4W 1G9

                  Attention:       Chief Executive Officer
                  Telecopier:      (416) 935-3538

         with a copy to:

                  Rogers Cantel Mobile Communications Inc.
                  333 Bloor Street East, 10th Floor
                  Toronto, Ontario
                  M4W 1G9

                  Attention:       Chairman of the Board of Directors
                  Telecopier:      (416) 935-3538

         and with a copy to:

                 Tory Tory DesLauriers & Binnington
                 Suite 3000
                 Aetna Tower
                 P.O. Box 270
                 Toronto-Dominion Centre
                 79 Wellington Street West
                 Toronto, Ontario
                 M5K 1N2

                 Attention:        James E.A. Turner
                 Telecopier:       (416) 865-7380

<PAGE>

         (b)     if to RCI:

                  Rogers Communications Inc.
                  333 Bloor Street East, 10th Floor
                  Toronto, Ontario
                  M4W 1G9

                  Attention:       Chief Executive Officer
                  Telecopier:      (416) 935-3538

         with a copy to:

                  Rogers Communications Inc.
                  333 Bloor Street East, 10th Floor
                  Toronto, Ontario
                  M4W 1G9

                  Attention:       Chief Financial Officer
                  Telecopier:      (416) 935-3557

         and with a copy to:

                  Tory Tory DesLauriers & Binnington
                  Suite 3000
                  Aetna Tower
                  P.O. Box 270
                  Toronto-Dominion Centre
                  79 Wellington Street West
                  Toronto, Ontario
                  M5K 1N2

                  Attention:       James E.A. Turner
                  Telecopier:      (416) 865-7380

<PAGE>

         (c)      if to JV Shareholder:

                  JV II
                  c/o AT&T Corp.
                  295 North Maple Avenue
                  Basking Ridge, New Jersey
                  07920

                  Attention:       Secretary, Marilyn Wasser
                  Telecopier:      (908) 221-4408

                  and:

                  c/o British Telecommunications plc
                  81 Newgate Street
                  London, UK
                  EC1A 7AF

                  Attention:       The Solicitor (Ref. CYB)
                  Telecopier:      44-1-71-356-6151


         with a copy to:

                  Fasken Campbell Godfrey
                  TD Bank Tower
                  P.O. Box 20
                  Toronto-Dominion Centre
                  Toronto, Ontario
                  M5K 1N2

                  Attention:       George C. Glover, Jr.
                  Telecopier:      (416) 364-7813


         and to:

                  Goodman Phillips & Vineberg
                  Suite 2400
                  250 Yonge Street
                  Toronto, Ontario
                  M5B 2M6

                  Attention:       Stephen H. Halperin
                  Telecopier:      (416) 979-1234

<PAGE>

12.4.    Time Limits

         The Parties to the Agreement have set the time limits in this Agreement
after due  consideration  of the amount of time  necessary to complete each step
and it is their  express  desire  that no  extension  of any time limit shall be
granted  except in  extraordinary  circumstances,  the onus for the proof of the
existence of which lies on the Party seeking an extension.

12.5.    Further Assurances

         Each  of  the  Shareholders  shall  vote  and  act at  all  times  as a
shareholder of RCMCI and in all other  respects to take all such steps,  execute
all such  documents  and do all such  acts and  things as may be  necessary  and
within  the  power of such  Shareholder  to  implement  to the full  extent  the
provisions of this Agreement.

12.6.    Counterparts

         This  Agreement  may  be  signed  in  counterparts  and  each  of  such
counterparts shall constitute an original document and such counterparts,  taken
together, shall constitute one and the same instrument.

12.7.    Enurement

         This  Agreement  shall enure to the benefit of and be binding  upon the
parties   hereto   and  their   respective   successors   and   legal   personal
representatives and permitted assigns. Except as otherwise expressly provided in
this  Agreement,  the  rights  and  benefits  under  this  Agreement  may not be
transferred,  assigned or delegated to any Person  except with the prior written
consent of the Party granting such rights and benefits.

12.8     Transferees bound by this Agreement

         In the event of an  acquisition of control of RCMCI by a Person who has
assumed the  obligations of RCI under this Agreement,  references  herein to RCI
shall  be  deemed  thereafter  to  refer to such  Person  and in the  event of a
Transfer to a Permitted Transferee of all of the Securities of RCMCI held,

<PAGE>

directly or indirectly,  by JV Shareholder,  references herein to JV Shareholder
shall be deemed thereafter to refer to such Permitted Transferee.

         IN WITNESS WHEREOF the parties have executed this Agreement.

              ROGERS COMMUNICATIONS INC.


              /s/        Graeme McPhail
              ------------------------------
              By:        Graeme McPhail
              Title:

              /s/        David Miller
              ------------------------------
              By:        David Miller
              Title:


              JVII PARTNERSHIP


              /s/        Dexter Congbalay
              ------------------------------
              By:        Dexter Congbalay
              Title:

              /s/        Cynthia S. Brown
              ------------------------------
              By:        Cynthia S. Brown
              Title:


              ROGERS CANTEL MOBILE COMMUNICATIONS INC.


              /s/        Graeme McPhail
              ------------------------------
              By:        Graeme McPhail
              Title:

              /s/        David Miller
              ------------------------------
              By:        David Miller
              Title:

<PAGE>

                                  SCHEDULE "A"

                             OWNERSHIP OF SECURITIES
                    ROGERS CANTEL MOBILE COMMUNICATIONS INC.



                           Class A Shares     %     Class B Shares     %


Rogers Communications Inc.     62,820,371   69.4%              ---    0.0%


Public                                ---    0.0%       19,448,395   59.1%


JVII Partnership               27,647,888   30.6%       13,486,495   40.9%
                               ----------  ------       ----------  ------


                               90,468,259  100.0%       32,934,890  100.0%

<PAGE>

                                  SCHEDULE "B"

                           LISTED MATERIAL COMPETITORS


1.   BCE
2.   Telus
3.   Call-Net
4.   GTE
5.   MCI Worldcom
6.   Sprint (US)
7.   Ameritech
8.   BellSouth
9.   Clearnet
10.  Telesystem
11.  Nextel
12.  Qwest
13.  Global Crossing
14.  AOL
15.  Cable and Wireless
16.  Alltel
17.  Vodafone
18.  EDS
19.  Deutsch Telekom
20.  France Telecom
21.  McLeod USA
22.  Orange
23.  Telmex

<PAGE>

                                  SCHEDULE "C"

                               PLEDGES OUTSTANDING

The following Pledges are currently outstanding:

         (A)      the Pledge of RCMCI Class B Restricted  Voting  Shares (in the
                  form of RCMCI Class A Multiple  Voting  Shares) in  connection
                  with  the   obligations   of   Rogers   Cablesystems   Limited
                  ("Cablesystems")  under an amended and restated loan agreement
                  made as of April 2, 1990 and amended and  restated on November
                  26, 1996 and as further amended on April 21, 1997, May 1, 1997
                  and December 23, 1997; and

         (B)      security granted by Cantel under the its Amended  and Restated
                  Deed of Trust dated March 15, 1997 between Cantel and National
                  Trust  Company  to  secure  obligations  of  Cantel  under the
                  following  agreements:  (1)  a  Letter  Loan  Agreement  dated
                  October 31, 1991 between Cantel and The Bank of Nova Scotia as
                  amended  on  March  30,  1992 re a  Cdn.$10,000,000  overdraft
                  (operating)  credit facility;  (2) Amended and Restated Credit
                  Agreement  dated as of March 15, 1997  between  Cantel and The
                  Bank of Nova Scotia, as administrative  agent, and others re a
                  Cdn.$800,000,000  revolving  credit  facility;  (3)  Indenture
                  dated as of May 30, 1996 among  Cantel,  Chemical Bank and The
                  R-M Trust Company re  Cdn.$160,000,000  10 1/2% Senior Secured
                  Notes due 2006;  (4) Indenture  dated as of May 30, 1996 among
                  Cantel,   Chemical   Bank  and  The  R-M  Trust   Company   re
                  US$510,000,000  9-3/8% Senior Secured  Debenture due 2008; (5)
                  Indenture dated as of May 30, 1996 among Cantel, Chemical Bank
                  and The R-M Trust  Company  re  US$175,000,000  9 3/4%  Senior
                  Secured  Debentures  due  2016;  (6)  Indenture  dated  as  of
                  September 30, 1997 among Cantel,  The Chase Manhattan Bank and
                  CIBC  Mellon  Trust  Company re  US$275,000,000  8.30%  Senior
                  Secured  Notes  due  2007;  and  (7)  Indenture  dated  as  of
                  September 30, 1997 among Cantel,  The Chase Manhattan Bank and
                  CIBC  Mellon  Trust  Company  re  US$215,000,000  8.8%  Senior
                  Subordinated Notes due 2007.

<PAGE>

                                  SCHEDULE "D"

                              [LETTERHEAD OF RCMCI]

                            CONFIDENTIALITY AGREEMENT


                                                 [Date]

Rogers Communications Inc.
333 Bloor Street East
Toronto, Ontario
M4W 1G9

Attention:        Chief Executive Officer

[Purchaser]


Dear Sirs:

     We understand that Rogers Communications Inc. or its affiliates ("RCI") are
considering  the  possibility  of a sale of |X| Class A Multiple  Voting  Shares
[and/or other securities] of RCMCI to |X| ("Purchaser"). In connection with such
potential sale, RCMCI agreed in the shareholders agreement dated August 16, 1999
(the  "Shareholders'  Agreement")  among  such  parties  and  RCMCI  that  if it
furnished to the Purchaser information which is either non-public,  confidential
or  proprietary  in  nature  in order  to  permit  the  Purchaser  to carry  out
reasonable due diligence with respect to RCMCI it would obtain a confidentiality
agreement in the form of this letter. The purpose of this letter agreement is to
set out the  agreement  of RCMCI,  RCI and the  Purchaser  with  respect  to the
disclosure, provision and use of such information.

     For the purposes of this agreement,  "Confidential  Information"  means any
and all information  supplied or  communicated  (either orally or in writing) by
RCMCI to the Purchaser  including  information  designated as  confidential,  or
which  ought  to be  considered  as  confidential  from its  nature  or from the
circumstances surrounding its disclosure or which is acquired by inspection.

<PAGE>

Confidential  Information  includes,  without  limiting  the  generality  of the
foregoing, information:

1.       relating to RCMCI's  software or hardware  products  and  services,  or
         to its  research  and  development projects or plans; and

2.       relating  to  RCMCI's  business   policies,   strategies,   operations,
         finances,   plans  or  opportunities  including  the  identity  of,  or
         particulars about, RCMCI's customers, clients or suppliers.

SECTION 1 - RCMCI CONFIDENTIAL INFORMATION

     All of RCMCI's  Confidential  Information  provided or  communicated to the
Purchaser,  its directors,  officers,  employees,  agents,  or  representatives,
including,  without  limitation,  its  lawyers,   accountants,   consultants  or
financial   advisors   (all  of  such  persons  other  than  the  Purchaser  are
collectively  referred to as  "representatives")  shall remain the exclusive and
confidential property of RCMCI. The Purchaser shall not disclose, or allow to be
disclosed,  RCMCI's  Confidential  Information  to any  person  other  than  the
Purchaser's  representatives  as permitted under this  Agreement.  The Purchaser
agrees to take all reasonable  steps  (including those steps the Purchaser takes
to protect its own information, data or tangible or intangible property which it
regards as confidential) to ensure the  confidentiality of RCMCI's  Confidential
Information  including,  without  limitation,  requiring its  representatives to
agree to be bound by the provisions of this Agreement prior to the disclosure of
any such  Confidential  Information  to any such  representative.  The Purchaser
shall allow access to RCMCI's  Confidential  Information to representatives only
on a need-to-know  basis.  The Purchaser  agrees that  Confidential  Information
which consists of competitively  sensitive  information may be made available by
RCMCI to the Purchaser  subject to such additional  restrictions and pursuant to
such other arrangements as RCMCI may determine.  Except as otherwise required by
law,  the  Purchaser  agrees to keep  confidential  the fact  that  Confidential
Information is being provided to it under this Agreement, that this Agreement

<PAGE>

has been entered into or that the Purchaser is considering the possible purchase
by it from RCI of securities of RCMCI.

SECTION 2 - USE OF CONFIDENTIAL INFORMATION

                  The Purchaser  agrees that it will not use, nor will it permit
any person to whom  disclosure  is  permitted  under this  Agreement to use, any
Confidential  Information other than for the purpose of evaluating a purchase of
securities of RCMCI from RCI.

SECTION 3 - PERMITTED DISCLOSURE AND USE

     The  provisions  of  Section 1 and 2 shall  not  apply to and  Confidential
Information shall not include:

         (i)               information  that is in the public  domain other than
                           as a  consequence  of a  breach  of  the  obligations
                           contained   in  this   Agreement   to  maintain   the
                           confidentiality of Confidential Information;

         (ii)              information  that is known by the Purchaser  prior to
                           the  disclosure  to the  Purchaser  without any other
                           obligation   of   confidentiality   to  RCMCI  or  is
                           independently  developed by the Purchaser without use
                           of the  Confidential  Information  or  breach  of the
                           obligations contained in this Agreement; and

         (iii)             information  that has been  received by the Purchaser
                           from a third party who is not subject to  obligations
                           similar  to  the   obligations   contained   in  this
                           Agreement.

SECTION 4 - PROVISION AND RETURN OF CONFIDENTIAL INFORMATION

     Unless otherwise agreed to in writing by RCMCI, the Purchaser shall:

         (i)               return or cause to be returned to RCMCI all copies of
                           the Confidential  Information in its possession or in
                           the possession of its representatives  (which are not
                           destroyed pursuant to clause (ii) of this section 4);
                           and

<PAGE>

         (ii)              destroy  all  copies of any  analyses,  compilations,
                           studies or other documents  prepared by the Purchaser
                           or for the Purchaser's use containing,  incorporating
                           or reflecting any Confidential Information;

  before  the  close of  business  24 hours  following  the date of any  written
  request  by RCMCI to the  Purchaser  to return  or  destroy  the  Confidential
  Information. The Purchaser shall certify to RCMCI in writing of its compliance
  with this section  forthwith  after  having so complied.  For purposes of this
  section,  "document"  means any embodiment of Confidential  Information in any
  physical or  ephemeral  form,  including  any and all  papers,  reproductions,
  slides and  microfilms and any electronic  media such as disks,  tapes,  other
  magnetic media,  computer software and computer storage systems containing any
  Confidential  Information  and, where this Agreement calls for any document to
  be  destroyed,  in the  case of  electronic  media  that can be  erased,  such
  obligation means that such document shall be permanently erased.

SECTION 5 - COURT ORDERS

     In the  event  that  the  Purchaser  or  anyone  else to whom  Confidential
Information  is  provided  as  permitted  by  this  Agreement   receives  notice
indicating  that it may or will be  legally  compelled  to  disclose  any of the
Confidential  Information  to  any  person  other  than  as  permitted  by  this
Agreement,  the  Purchaser  shall provide RCMCI with prompt notice so that RCMCI
may seek a protective order or other appropriate  remedy and/or waive compliance
with the provisions of this Agreement.  In the event that such protective  order
or other  remedy is not  obtained  for  whatever  reason,  or that RCMCI  waives
compliance  with the provisions of this  Agreement,  such compelled  person will
furnish only that portion of the  information  in respect of which it is advised
by written  opinion of counsel that it is legally  required to disclose and will
exercise  its best  efforts  to obtain  reliable  assurances  that  confidential
treatment  will  be  accorded  such  Confidential  Information.  Such  compelled
disclosure of  Confidential  Information  by the Purchaser will not constitute a
breach of this Agreement.

<PAGE>

SECTION 6 - SPECIFIC PERFORMANCE

     RCI and the Purchaser  understand and agree that this Agreement is separate
and  independent  of any agreement  which has been or is entered into by RCI and
the  Purchaser.  The  existence  of any  claim or cause of  action by RCI or the
Purchaser  against the other,  whether  predicated  on such other  agreements or
otherwise,  shall not constitute a defence to the enforcement by RCMCI of any of
the covenants and  agreements  contained in this  Agreement.  The parties hereto
agree that failure to comply with the  provisions  of this  Agreement  may cause
irreparable  harm  to  RCMCI  and  accordingly   agree  that  any  court  having
jurisdiction  may  enter  a  preliminary  and/or  permanent  restraining  order,
injunction  or  order  for  specific  performance  in the  event  of  actual  or
threatened  breach of any of the  provisions  of this  Agreement  in addition to
imposing any other remedies available.

SECTION 7 - NO REPRESENTATION OR WARRANTIES REGARDING CONFIDENTIAL INFORMATION


     The Purchaser acknowledges that any Confidential Information provided to it
under this  Agreement is given without any  liability  whatsoever on the part of
RCMCI or RCI or their  respective  directors,  officers or employees and that no
representation or warranty is made with respect to such Confidential Information
by RCMCI,  RCI or their  respective  directors,  officers or  employees  and the
Purchaser  acknowledges that RCMCI shall have no obligation whatsoever to update
or supplement the Confidential Information. Except as hereinafter provided, each
of RCI and the  Purchaser  agrees not to assert or allege the  existence  of any
representation,  warranty or  agreement by RCMCI or its  directors,  officers or
employees as a result of the provision of Confidential Information.  RCMCI shall
have  liability  only  in  respect  of  those  representations,  warranties  and
agreements which are made in writing by RCMCI and duly executed by it.

SECTION 8 - LIABILITY FOR BREACH OF AGREEMENT BY REPRESENTATIVES

     The Purchaser  agrees to be responsible for any breach of this Agreement by
any of its representatives.

<PAGE>

SECTION 9 - PROVISIONS DISTINCT AND SEVERABLE

     Each of the provisions contained in the Agreement is distinct and severable
and a declaration  of invalidity or  unenforceability  of any such  provision or
part thereof by a court of competent  jurisdiction shall not affect the validity
or enforceability of any other provision hereof.

SECTION 10 - 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.

                             Yours very truly,

                             ROGERS CANTEL MOBILE COMMUNICATIONS INC.



                             by:


Accepted and agreed to as of the date set forth above.

ROGERS COMMUNICATIONS INC.

by:

[Purchaser]

by:



                                    EXHIBIT B

                             JOINT FILING AGREEMENT


     In accordance with Rule 13d-1(f) under the Securities Exchange Act of 1934,
as amended,  the  undersigned  hereby  agree to the joint  filing with all other
Reporting  Entities  (as such term is defined in the  Schedule  13D  referred to
below) on behalf  of each of them of a  statement  on  Schedule  13D  (including
amendments  thereto)  with  respect to the Class B Restricted  Voting  Shares of
Rogers Cantel Mobile  Communications Inc. and that this Agreement be included as
an Exhibit to such joint filing. This Agreement may be executed in any number of
counterparts  all of which  taken  together  shall  constitute  one and the same
instrument.

     IN WITNESS WHEREOF, the undersigned hereby execute this Agreement this 27th
day of August, 1999.


JVII

          /s/       Robert S. Feit
          -----------------------------
          By:       Robert S. Feit
          Title:    Assistant Secretary


          /s/       Cynthia S. Brown
          -----------------------------
          By:       Cynthia S. Brown
          Title:    Solicitor, Group Legal


AT&T Canada Investments Inc.

          /s/       Robert S. Feit
          -----------------------------
          By:       Robert S. Feit
          Title:    Assistant Secretary


BT (Netherlands) 1 B.V., on behalf of and
for the account of BT Longmont (Luxembourg)
IV SARL

          /s/       Cynthia S. Brown
          -----------------------------
          By:       Cynthia S. Brown
          Title:    Solicitor, Group Legal


AT&T Corp.

          /s/       Robert S. Feit
          -----------------------------
          By:       Robert S. Feit
          Title:    Assistant Secretary


British Telecommunications plc

          /s/       Cynthia S. Brown
          -----------------------------
          By:       Cynthia S. Brown
          Title:    Solicitor, Group Legal








                          REGISTRATION RIGHTS AGREEMENT



                                JVII PARTNERSHIP

                                     - and -

                    ROGERS CANTEL MOBILE COMMUNICATIONS INC.


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

                          REGISTRATION RIGHTS AGREEMENT


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






                                 August 16, 1999

<PAGE>

                                TABLE OF CONTENTS

                                   ARTICLE 1.
                                 INTERPRETATION

1.1.              Definitions..............................................    2
1.2.              Headings and Table of Contents...........................    4
1.3.              Gender and Number........................................    5
1.4.              Currency.................................................    5
1.5.              Invalidity of Provisions.................................    5
1.6.              Entire Agreement.........................................    5
1.7.              Waiver, Amendment........................................    5
1.8.              Governing Law............................................    6

                                   ARTICLE 2.
                               REGISTRATION RIGHTS

2.1.              Application..............................................    6
2.2.              Distribution Initiated by RCMCI..........................    6
2.3.              Distribution at the Request of Holders...................    7
2.4.              Limitations on Demand Distribution.......................   10
2.5.              Qualification Procedures.................................   11
2.6.              Registration Expenses....................................   13
2.7.              Indemnification..........................................   13
2.8.              Information by Holder....................................   15

                                   ARTICLE 3.
                     IPO FOLLOWING GOING PRIVATE TRANSACTION

3.1.              Application..............................................   15
3.2.              IPO Initiated by RCMCI...................................   16
3.3.              IPO at the Request of a Holder...........................   16

                                   ARTICLE 4.
                               GENERAL PROVISIONS

4.1.              Term.....................................................   16
4.2.              Transfer of Rights.......................................   16
4.3.              Amendment of Qualification Rights........................   17
4.4.              Arbitration..............................................   17
4.5.              Notices..................................................   17
4.6.              Time of Essence..........................................   19
4.7.              Counterparts.............................................   19
4.8.              Enurement................................................   19

<PAGE>

                          REGISTRATION RIGHTS AGREEMENT


                  THIS AGREEMENT is made as of the 16th day of August, 1999,


B E T W E E N:

         JVII  PARTNERSHIP,  a  general  partnership  formed  under  the laws of
         Delaware

         hereinafter called "JV")

         - and -

         ROGERS CANTEL MOBILE  COMMUNICATIONS  INC., a corporation  incorporated
         under the laws of Canada

         (hereinafter called "RCMCI")

RECITALS:

                  WHEREAS JV is the legal and  beneficial  owner of  Convertible
Preference Shares, Series A of RCMCI convertible at the option of JV at any time
after one year from the date of  issuance  of such  shares into Class A Multiple
Voting Shares in the capital of RCMCI (the "Class A Shares");

                  AND WHEREAS the Class A Shares are  convertible at any time at
the option of the holder into Class B Restricted Voting Shares in the capital of
RCMCI (the "Class B Shares");

                  AND  WHEREAS  JV  is  the  legal  and   beneficial   owner  of
Convertible Preference Shares, Series B of RCMCI convertible at the option of JV
at any time after one year from the date of issuance of such shares into Class B
Shares;

                  AND   WHEREAS  JV  and  RCMCI   wish  to  set  forth   certain
registration rights with respect to the sale of Class B Shares by JV;

                  NOW  THEREFORE in  consideration  of the mutual  covenants and
agreements contained in this Agreement and other good and valuable consideration

<PAGE>

(the receipt and  sufficiency  of which are hereby  acknowledged  by each of the
parties), the parties hereto agree as follows:

                                   ARTICLE 1.
                                 INTERPRETATION

1.1.              Definitions

                  In this Agreement,

                  "Affiliate" has the meaning set forth in the Shareholders'
                  Agreement;

                  "Agreement"  means this agreement and all  schedules,  if any,
                  attached  to  this  agreement,  in each  case  as they  may be
                  supplemented or amended from time to time, and the expressions
                  "hereof",  "herein",  "hereto",   "hereunder",   "hereby"  and
                  similar  expressions  refer  to  this  Agreement,  and  unless
                  otherwise  indicated,  references to Articles and sections are
                  to the specified Articles and sections in this Agreement;

                  "Business  Day"  means any day,  other  than  Saturday, Sunday
                  or any  statutory  holiday in the Province of Ontario;

                  "Class A Shares" means  Class A Multiple Voting Shares in  the
                  capital of RCMCI;

                  "Class B Shares" means the Class B Restricted Voting Shares in
                  the  capital of RCMCI  which are issued and  outstanding  from
                  time to time and includes any shares or securities  into which
                  the Class B Shares may be converted or changed or which result
                  from a consolidation, subdivision or reclassification or which
                  are received upon or as a result of any merger,  amalgamation,
                  arrangement,   consolidation,    reorganization   or   similar
                  transaction of or involving RCMCI;

                  "diluted  basis"  means  assuming  the  exercise  by JV of the
                  conversion   rights   attaching  to  all  of  the  outstanding
                  Preference Shares and Class A Shares owned by the Holders but,

<PAGE>

                  for greater  certainty,  without  assuming the exercise of any
                  conversion rights attaching to securities of RCMCI held by any
                  other Person;

                  "Distribution"  means a distribution  of Class B Shares to the
                  public by way of a Prospectus under securities  legislation in
                  any applicable jurisdiction in Canada or in the United States;

                  "Going Private Date" has the meaning set forth in section 3.1;

                  "going  private  transaction"  has  the  meaning set forth  in
                  Policy 9.1;

                  "Holder"  means JV and any other Person holding Class B Shares
                  or securities convertible,  directly or indirectly, into Class
                  B Shares to whom the  registration  rights  granted under this
                  Agreement  have been  transferred  as permitted  under section
                  4.2;

                  "Person"   means   any   individual,    partnership,   limited
                  partnership,  limited liability company,  unlimited  liability
                  company,  joint  venture,   syndicate,   sole  proprietorship,
                  company  or   corporation   with  or  without  share  capital,
                  unincorporated   entity  or   association,   trust,   trustee,
                  executor,    administrator    or    other    legal    personal
                  representative,  regulatory  body  or  agency,  government  or
                  governmental agency, authority or entity however designated or
                  constituted;

                  "Policy  9.1"  means  Policy  Statement  9.1  of  the  Ontario
                  Securities  Commission as the same may be amended from time to
                  time and any successor policy statement and/or rule;

                  "Preference  Shares" means the Convertible  Preference Shares,
                  Series A and the Convertible  Preference  Shares,  Series B in
                  the capital of RCMCI;

                  "Prospectus" means, collectively:

                  (a)     a "preliminary prospectus" and a "prospectus" as those
                          terms are used in the Securities Act;

<PAGE>

                  (b)     a "prospectus" as such term is used in the U.S. Act;
                          and

                  (c)     a "registration statement" as such term is used in the
                          U.S. Act;

                  including  in   each  case  all  amendments,  supplements  and
                  exhibits thereto;

                  "RCI"   means   Rogers  Communications  Inc.,  a   corporation
                  incorporated  under the laws of British Columbia;

                  "RCMCI's  Counsel" means the law firm of Tory Tory DesLauriers
                  & Binnington  of Toronto,  Ontario,  or such other  counsel as
                  RCMCI may  appoint  with  respect  to this  Agreement  and the
                  matters contemplated hereby;

                  "Rogers Group" has  the meaning set forth in the Shareholders'
                  Agreement;

                  "Securities  Act" means the  Securities  Act (Ontario) and the
                  rules and  regulations  thereunder  as the same may be amended
                  from time to time and any successor legislation;

                  "Shareholders'  Agreement" means the  shareholders'  agreement
                  dated August 16, 1999 between RCI, JV and RCMCI;

                  "Standstill Period" has the meaning set forth in section 3.3;

                  "subsidiary" has the meaning set forth in the Securities Act;

                  "U.S.  Act"  means the United States Securities Act of 1933 as
                  the same  may be amended  from time to time and  any successor
                  legislation;

                  "Valid  Business Reason" has  the meaning set forth in  clause
                  2.4(a)(iii).

1.2.              Headings and Table of Contents

                  The  inclusion  of  headings  and a table of  contents in this
Agreement  are for  convenience  of  reference  only and  shall not  affect  the
construction or interpretation hereof.

<PAGE>

1.3.              Gender and Number

                  In this  Agreement,  unless the  context  otherwise  requires,
words  importing  the  singular  include  the  plural  and vice  versa and words
importing gender include all genders.

1.4.              Currency

                  Except as otherwise expressly provided in this Agreement,  all
amounts in this Agreement are stated and shall be paid in Canadian currency.

1.5.              Invalidity of Provisions

                  Each of the provisions contained in this Agreement is distinct
and severable and a declaration  of invalidity or  unenforceability  of any such
provision by a court of competent  jurisdiction shall not affect the validity or
enforceability of any other provision hereof.

1.6.              Entire Agreement

                  This Agreement and the Shareholders'  Agreement constitute the
entire  agreement  between the parties  hereto  pertaining to the subject matter
hereof. There are no other agreements between the parties in connection with the
subject matter hereof except as specifically set forth or referred to herein.

1.7.              Waiver, Amendment

                  Except as expressly provided in this Agreement,  no amendment,
waiver or  termination of this  Agreement  shall be binding  unless  executed in
writing by the party to be bound  thereby.  No waiver of any  provision  of this
Agreement  shall  constitute a waiver of any other  provision nor shall any such
waiver constitute a continuing waiver unless otherwise expressly provided.

<PAGE>

1.8.              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  and,  subject to section  4.4,  each of the parties  hereby
submits to the exclusive jurisdiction of the courts of Ontario.

                                   ARTICLE 2.
                               REGISTRATION RIGHTS

2.1.              Application

                  At any  time  that  RCMCI  is a  reporting  issuer  under  the
Securities  Act  (and,  in the case of a  proposed  Distribution  in the  United
States,  is a reporting issuer under the U.S. Act) and provided the Holders hold
at that time at least 10% of the outstanding Class B Shares of RCMCI held by the
JV on the date hereof  (calculated on a diluted  basis),  RCMCI agrees that each
Holder shall have the benefit of the covenants set forth in this Article 2.

2.2.              Distribution Initiated by RCMCI

         (a)      If at any time, or from time to time, RCMCI shall determine to
                  make a  Distribution  of Class B  Shares,  either  for its own
                  account or for the  account of any other  member of the Rogers
                  Group, RCMCI will:

                  (i)      promptly give to each Holder  written  notice thereof
                           (which shall include a list of the  jurisdictions  in
                           which RCMCI  intends to make a  Distribution  of such
                           Class  B   Shares)   and  the   intended   method  of
                           Distribution in connection therewith; and

                  (ii)     subject to clause (b),  include in such  Distribution
                           and in any underwriting  involved therein, all of the
                           Class B Shares  specified in a written request by any
                           Holder or Holders made within ten (10)  Business Days
                           after receipt of such written notice from RCMCI.

<PAGE>

         (b)      If  the  Distribution  of which  RCMCI gives  notice  involves
                  an  underwriting,  RCMCI shall so advise the Holders as a part
                  of the  written  notice  given  pursuant  to clause  (a).  All
                  Holders  proposing to distribute  Class B Shares  through such
                  underwriting  shall (together with RCMCI and the other Holders
                  distributing  their Class B Shares through such  underwriting)
                  enter into an  underwriting  agreement in customary  form with
                  the underwriter or underwriters selected for such underwriting
                  by RCMCI.  The Holders shall have no right to  participate  in
                  the   selection   of  such   underwriter(s).   If  any  Holder
                  disapproves of the terms of the  underwriting,  the Holder may
                  elect to withdraw  therefrom by written  notice given promptly
                  to RCMCI and to the underwriter(s),  such written notice to be
                  given in any event at least  two  Business  Days  prior to the
                  filing of the final Prospectus in respect of the Distribution.
                  The Class B Shares so withdrawn  from the  underwriting  shall
                  also be withdrawn from the Distribution.  Notwithstanding  any
                  other  provision  of  this  section  2.2,  if the  underwriter
                  determines  in good faith  that  marketing  factors  require a
                  limit on the number of Class B Shares to be underwritten,  the
                  underwriter  may  limit  the  number  of Class B Shares  to be
                  included in the  Distribution  and  underwriting,  including a
                  limitation  on the  number  of  Class B  Shares  which  may be
                  distributed as a secondary offering, and the number of Class B
                  Shares  of  the   Holders   which  may  be  included  in  such
                  Distribution shall be determined on a fair and equitable basis
                  by the Board of Directors  of RCMCI  acting in good faith,  it
                  being  understood  that the  number of Class B Shares  which a
                  particular Holder may sell pursuant to the secondary  offering
                  shall be  determined  on a pro rata  basis  based on the total
                  number of Class B Shares which were  originally to be included
                  by the Holders in the Distribution.

2.3.              Distribution at the Request of Holders

         (a)      At any time after December 31, 1999,  Holders may by notice in
                  writing  given to RCMCI (a "Demand  Notice")  require RCMCI to
                  use its  reasonable  commercial  endeavours  to  assist  it in
                  making a  Distribution  in Canada and/or the United States (as

<PAGE>

                  requested  by the Holders) of all or a portion of the Holders'
                  Class B Shares on the terms and conditions of this section 2.3
                  and section 2.4.

         (b)      If any  Distribution  requested  by Holders  pursuant  to this
                  section 2.3  involves an  underwriting  of the Class B Shares,
                  RCMCI shall have the right to approve the  underwriter  (which
                  approval shall not be unreasonably withheld).

         (c)      Promptly after  receiving a Demand Notice from  a Holder under
                  clause (a):

                  (i)      RCMCI will give to each other Holder  written  notice
                           thereof   (which   shall   include   a  list  of  the
                           jurisdictions  in Canada  and/or in the United States
                           in which  RCMCI  intends to  attempt  to qualify  the
                           Class B Shares under applicable  securities laws) and
                           the intended  method of  Distribution  in  connection
                           therewith; and

                  (ii)     Subject to clause  (d),  RCMCI  will  include in such
                           Distribution   and  in  any   underwriting   involved
                           therein,  all of the  Class B Shares  specified  in a
                           written  request made by any Holder or Holders within
                           five (5) Business  Days after receipt of such written
                           notice from RCMCI.

         (d)      If a Demand Notice relates to a Distribution which involves an
                  underwriting  of the Class B Shares,  the Holder  delivering a
                  Demand Notice shall specify in the Demand Notice the price per
                  Class  B  Share  at  which   the   proposed   underwriter   or
                  underwriters is prepared to offer such shares to the public on
                  an  underwritten  basis  (the  "Underwritten  Price")  and the
                  Demand Notice shall be  accompanied by a letter signed by such
                  underwriter or underwriters confirming its intention to effect
                  the  Distribution  at the  Underwritten  Price.  Following the
                  expiry of the five (5)  Business  Day  period  referred  to in
                  clause  (c)(ii),  RCMCI shall have the right by written notice
                  to the Holders who have elected to  participate  in the demand
                  Distribution to agree to purchase the number of Class B Shares
                  to  be  sold  pursuant  to  the  demand  Distribution  at  the
                  Underwritten  Price.  Such  written  notice  by  RCMCI  to  be
                  effective  shall  be  given  within  the  period  of five  (5)

<PAGE>

                  Business  Days  following  the expiry of the five (5) Business
                  Day period  referred to in clause  (c)(ii).  In the event that
                  RCMCI does not exercise such right, it shall be entitled, upon
                  the  determination of the final price at which the underwriter
                  or underwriters  are prepared to underwrite the Class B Shares
                  to be sold pursuant to the demand  Distribution,  in the event
                  that such final price is less than the  Underwritten  Price to
                  purchase such shares at the price so determined, such right to
                  purchase  to be  exercised  by  written  notice  given  to the
                  Holders  who  have  elected  to   participate  in  the  demand
                  Distribution  within 24 hours following  notification to RCMCI
                  of the pricing information.  RCMCI's right to purchase Class B
                  Shares  under this  clause (d) may be assigned by RCMCI to any
                  third party.

         (e)      If  the demand  Distribution  of  which RCMCI  receives notice
                  involves an underwriting,  the Holder shall so advise RCMCI as
                  part of the written  notice given  pursuant to clause (a). All
                  Holders  proposing to distribute  Class B Shares  through such
                  underwriting   shall   (together   with  the   other   Holders
                  distributing Class B Shares through such  underwriting)  enter
                  into an  underwriting  agreement  in  customary  form with the
                  underwriter  or  underwriters  approved for such  underwriting
                  pursuant to clause (b). If any Holder disapproves of the terms
                  of  the  underwriting,   the  Holder  may  elect  to  withdraw
                  therefrom by written notice given promptly to RCMCI and to the
                  underwriter,  such written  notice to be given in any event at
                  least  two  Business  Days  prior to the  filing  of the final
                  Prospectus.  The Class B Shares  so  withdrawn  shall  also be
                  withdrawn  from the  Distribution.  Notwithstanding  any other
                  provision of this section 2.3, if the  underwriter  determines
                  that  marketing  factors  require  a limit  on the  number  of
                  securities to be  underwritten,  the underwriter may limit the
                  number of Class B Shares to be  included  in the  Distribution
                  and  underwriting  and the  number  of Class B  Shares  of the
                  Holders  which may be  included in the  Distribution  shall be
                  determined  on a fair  and  equitable  basis  by the  Board of
                  Directors of RCMCI acting in good faith,  it being  understood
                  that the number of Class B Shares  which a  particular  Holder

<PAGE>

                  may  sell  pursuant  to  the  secondary   offering   shall  be
                  determined  on a pro rata basis  based on the total  number of
                  Class B Shares  which were  originally  to be  included by the
                  Holders in the Distribution.

2.4.              Limitations on Demand Distribution

         (a)      The demand  Distribution  rights  granted  to  the  Holders in
                  section  2.3 are  subject to the  following limitations:

                  (i)      the  Holders  shall be  entitled  to request a demand
                           Distribution  under section 2.3 only two times in any
                           calendar  year and  each  demand  Distribution  shall
                           relate to either all of the  Holders'  Class B Shares
                           or  to  a  Distribution  which  would  reasonably  be
                           expected  to give rise to gross  proceeds of at least
                           $100  million,  failing  which  RCMCI  shall  have no
                           obligation  under  section  2.3 with  respect  to the
                           particular demand Distribution;

                  (ii)     RCMCI  shall  not  be  required  to  cause  a  demand
                           Distribution  to be  effected  within a period of one
                           hundred  and twenty  (120) days after the date of any
                           receipt for a Prospectus of RCMCI filed in respect of
                           a Distribution of Class B Shares;  provided that this
                           limitation shall not apply in the event that a Holder
                           elected  under  section  2.2 to  participate  in such
                           Distribution  and was  unable to  participate  to the
                           full  extent  set  forth in its  notice  given  under
                           section 2.2.(a)(ii);

                  (iii)    If  the Board of  Directors  of RCMCI  acting in good
                           faith determines that any Distribution of the Class B
                           Shares should not be made at the particular  time, or
                           continued, because such Distribution would materially
                           adversely affect any proposed financing, acquisition,
                           corporate  reorganization,  amalgamation,  merger  or
                           other  transaction  involving  RCMCI  or  any  of its
                           subsidiaries  taken  as a whole  (such  reason  being
                           herein  referred  to as a "Valid  Business  Reason"),
                           RCMCI may advise the  Holders in writing  that it has

<PAGE>

                           postponed  the demand  Distribution  until such Valid
                           Business  Reason  ceases to exist or until the expiry
                           of one hundred  and twenty  (120) days after the date
                           of such Valid Business  Reason  whichever shall first
                           occur. RCMCI shall advise the Holders forthwith after
                           such valid Business Reason ceases to exist.

         (b)      Upon   receipt  of any  notice from  RCMCI   that  RCMCI   has
                  determined  to  postpone  a demand  Distribution  pursuant  to
                  clause (a)(iii), each Holder shall immediately discontinue all
                  actions in furtherance of such  Distribution  and shall, if so
                  directed  by RCMCI,  deliver to RCMCI all  copies  then in its
                  possession of any Prospectus relating to such Distribution. If
                  RCMCI  shall  postpone  a  Demand  Distribution  under  clause
                  (a)(iii),  RCMCI  shall,  at such time as the  Valid  Business
                  Reason that gave rise to such postponement  ceases to exist or
                  after the  expiry of such one  hundred  and  twenty  (120) day
                  period,  use  its  reasonable  commercial  efforts  to  effect
                  promptly   thereafter  the  proposed  demand  Distribution  in
                  accordance with this Article 2.

2.5.              Qualification Procedures

                  In the  case of each  Distribution  to be  effected  by  RCMCI
pursuant to this Agreement,  RCMCI shall keep each Holder reasonably informed as
to the terms and timing of such  Distribution  and shall permit a representative
of the Holders  participating  in the  Distribution a reasonable  opportunity to
participate  in the  process  leading to the  Distribution.  In the event of any
underwriting  as part of a  Distribution,  no Class B Shares  shall be sold by a
Holder during the course of such Distribution  except through such underwriting.
Subject to section  2.6,  at its  expense  RCMCI  will in  connection  with each
Distribution:

         (a)      as  expeditiously  as  practicable  prepare  and file with the
                  appropriate securities regulatory authorities a Prospectus and
                  any other documents  necessary or incidental thereto to permit
                  the  Distribution of the Class B Shares and, in so doing,  act
                  as  expeditiously  as may be practicable  and in good faith to
                  settle  all   deficiencies   and  obtain  such   receipts  and

<PAGE>

                  clearances and provide such  undertakings  and  commitments as
                  may  be  reasonably  required  by  any  securities  regulatory
                  authority,  all as may be necessary to permit the Distribution
                  of the  Class B  Shares  in  compliance  with  all  applicable
                  securities laws;

         (b)      furnish  such  number  of  Prospectuses  and  other  documents
                  incidental   thereto  as  a  Holder  from  time  to  time  may
                  reasonably  request in order to facilitate the Distribution of
                  Class B Shares owned by it;

         (c)      subject to  applicable  laws,  keep the  Prospectus  effective
                  until the Holder or Holders have  completed  the  Distribution
                  described in the Prospectus;

         (d)      in the event of any underwritten Distribution,  enter into and
                  perform its obligations  under an underwriting  agreement,  in
                  usual and customary  form,  with the lead  underwriter of such
                  Distribution;

         (e)      cause all such Class B Shares to be  Distributed  to be listed
                  on each  securities  exchange  on which the Class B Shares are
                  then listed and traded;

         (f)      provide a transfer  agent and registrar for all Class B Shares
                  to be  Distributed  not  later  than the date of filing of the
                  final Prospectus; and

         (g)      use its  reasonable  commercial  efforts  to  furnish,  at the
                  request of any Holder  participating in the  Distribution,  on
                  the  date  that  such  Class B  Shares  are  delivered  to the
                  underwriters  for sale in  connection  with  the  Distribution
                  pursuant to section 2.3:

                  (i)      an opinion,  dated such date, of RCMCI's  Counsel for
                           the  purposes  of  such  Distribution,  in  form  and
                           substance as is customarily  given to underwriters in
                           an  underwritten  public  offering,  addressed to the
                           underwriters, if any; and

<PAGE>

                  (ii)     a letter dated such date, from RCMCI's  auditors,  in
                           form  and  substance  as  is  customarily   given  by
                           auditors to underwriters  in an  underwritten  public
                           offering, addressed to the underwriters, if any.

2.6.              Registration Expenses

         (a)      If the  Distribution of Class B Shares as contemplated by this
                  Agreement is  completed,  all expenses of or incidental to the
                  offering,  delivery and sale of the Class B Shares  subject to
                  the  Distribution and of or incidental to all other matters in
                  connection with the Distribution will be borne pro rata by the
                  Holders  and  RCMCI  based on the  number of Class B Shares of
                  each  which are the  subject of the  Distribution,  including,
                  without  limitation,  expenses  payable in connection with the
                  qualification of the Class B Shares,  the fees and expenses of
                  RCMCI's  Counsel and  auditors,  the fees and  expenses of the
                  Holders and their counsel and all costs incurred in connection
                  with the  preparation,  translation,  printing and delivery of
                  the Prospectus.

         (b)      If the  Distribution was initiated by RCMCI as contemplated in
                  section  2.2  and  the  Distribution  is  not  completed,  all
                  expenses of or incidental  to matters in  connection  with the
                  Distribution  shall be borne by RCMCI  including  the fees and
                  expenses of the Holders and their counsel which shall be borne
                  by the Holders in  proportion  to the number of Class B Shares
                  that   each   indicated   that  it   wished  to  sell  in  the
                  Distribution.

         (c)      If the  Distribution  was initiated by a Holder by delivery of
                  the  written  notice  contemplated  in  section  2.3  and  the
                  Distribution  is not completed,  all expenses of or incidental
                  to matters in connection with the  Distribution  will be borne
                  by the Holders and RCMCI in  proportion to the number of Class
                  B Shares  that  each  indicated  that it wished to sell in the
                  Distribution.

<PAGE>

2.7.              Indemnification

         (a)      In the event of any  qualification of  Class B Shares pursuant
                  to this Agreement,  RCMCI will hold harmless and indemnify the
                  Holders and their respective officers, directors and employees
                  and, in respect of  information  furnished  by and  statements
                  made by the  Holders,  each  Holder  will  hold  harmless  and
                  indemnify  RCMCI  and  the  underwriters,  if any,  and  their
                  respective officers, directors and employees (collectively the
                  "Indemnified  Parties"),  to the full extent permitted by law,
                  from and  against  any losses  (other  than loss of  profits),
                  claims,  damages  or  liabilities  to  which  the  Indemnified
                  Parties may be subject under any applicable securities laws or
                  otherwise,   insofar  as  those  losses,  claims,  damages  or
                  liabilities  (or actions in respect  thereof)  arise out of or
                  are  based  upon  any  untrue   statement  or  alleged  untrue
                  statement of any  material  fact  contained in any  Prospectus
                  under which Class B Shares were  distributed,  or any document
                  incidental to the  qualification  of those Class B Shares,  or
                  which  arise out of or are based upon the  omission or alleged
                  omission to state  therein any  material  fact  required to be
                  stated or necessary to make the statement not  misleading,  or
                  any  violation by RCMCI or any Holder,  as the case may be, of
                  any  applicable   securities   laws  in  connection  with  the
                  qualification  or sale of Class B Shares under such securities
                  laws; provided,  however, that RCMCI will not be liable in any
                  case to the extent that any loss,  claim,  damage or liability
                  arises out of or is based upon an untrue  statement or alleged
                  untrue  statement or omission or alleged  omission made in any
                  Prospectus   or  other   document  in  reliance  upon  and  in
                  conformity with  information  furnished in writing to RCMCI by
                  any Indemnified Party or its agent specifically for use in the
                  preparation of the Prospectus.

         (b)      If any claim  contemplated by this section is asserted against
                  any of the  Indemnified  Parties,  or if any  potential  claim
                  contemplated  by this section comes to the knowledge of any of
                  the Indemnified  Parties, the Indemnified Party concerned will
                  notify  RCMCI or the  Holder,  as the case may be,  as soon as
                  possible  of the nature of the claim and RCMCI or the  Holder,

<PAGE>

                  as the case may be, will, subject as hereinafter  provided, be
                  entitled (but not required) to assume the defence on behalf of
                  the  Indemnified  Party of any suit  brought to  enforce  that
                  claim. Any defence will be through legal counsel acceptable to
                  the  Indemnified  Party and no admission of liability  will be
                  made by  RCMCI  or the  Holder,  as the  case  may be,  or the
                  Indemnified  Party  without,  in each case, the consent of the
                  other party, which consent will not be unreasonably  withheld.
                  An  Indemnified  Party will have the right to employ  separate
                  counsel  in any  such  suit  and  participate  in the  defence
                  thereof but the fees and  expenses  of counsel  will be at the
                  expense  of the  Indemnified  Party  unless  (i)  RCMCI or the
                  Holder, as the case may be, fails to assume the defence of the
                  suit on behalf of the  Indemnified  Party  within  ten days of
                  receiving  notice of the suit; or (ii) the  employment of that
                  separate  counsel has been  authorized by RCMCI or the Holder,
                  as the case may be or (iii) the  employment of such counsel is
                  required due to a reasonable  apprehension  of conflict on the
                  part of counsel  employed in such suit (in each of which cases
                  RCMCI or the  Holder,  as the  case may be,  will not have the
                  right to  assume  the  defence  of the suit on  behalf  of the
                  Indemnified  Party but will be  liable  to pay the  reasonable
                  fees and expenses of counsel for the Indemnified Party).

2.8.              Information by Holder

                  The  Holder  or  Holders  of  Class B Shares  included  in any
Distribution  shall furnish to RCMCI such  information  regarding such Holder or
Holders  and the  Distribution  proposed  by such Holder or Holders as RCMCI may
request in writing and as shall be required in connection with any qualification
or compliance referred to in this Agreement.

<PAGE>

                                   ARTICLE 3.
                     IPO FOLLOWING GOING PRIVATE TRANSACTION

3.1.              Application

                  If a  going  private  transaction  in  relation  to  RCMCI  is
completed  by  RCI  and/or  RCMCI  as  contemplated  in  section  4.3(a)  of the
Shareholders'  Agreement (the effective date of such  completion  being referred
herein to as the "Going  Private  Date") and  provided the Holders hold at least
10% of the outstanding Class B Shares of RCMCI held by the JV on the date hereof
(calculated  on a diluted  basis),  and without  limiting the Holders'  right to
satisfactory liquidity in accordance with such section 4.3(a), RCMCI agrees that
the Holders shall have the benefit of the covenants set forth in this Article 3.

3.2.              IPO Initiated by RCMCI

                  If at any time after the Going Private Date,  RCMCI determines
to make a Distribution of Class B Shares,  either for its own account or for the
account of any other member of the Rogers Group, the provisions of sections 2.2,
2.5, 2.6, 2.7, and 2.8 shall apply, mutatis mutandis, to such Distribution.

3.3.              IPO at the Request of a Holder

                  At any time 180 days after the Going Private Date, the Holders
may require RCMCI to use its  reasonable  commercial  endeavours to assist it in
making a Distribution in Canada or the United States of not less than 10% of the
Holders' Class B Shares. The provisions of clauses 2.3(b),  (c), (d) and (e) and
sections  2.4(a)(iii),  2.4(b),  2.5,  2.6,  2.7 and 2.8  shall  apply,  mutatis
mutandis,  to  the  Distribution.  It  is  agreed  that  upon  completion  of  a
Distribution  under this  section  3.3,  the  Holders  shall be  entitled to the
benefits of section 2 as if RCMCI had not ceased to be a reporting  issuer under
the Securities Act or the U.S. Act, as the case may be.

<PAGE>

                                   ARTICLE 4.
                               GENERAL PROVISIONS

4.1.              Term

                  Provided  the Class B Shares are  trading  on a liquid  public
market,  this  Agreement  shall  automatically  terminate  on the date  that the
Holders cease to own at least 10% of the number of Class B Shares held by the JV
on the date hereof (calculated on a diluted basis).

4.2.              Transfer of Rights

                  The right to cause RCMCI to qualify Class B Shares  granted by
RCMCI under this  Agreement  may be assigned to a transferee of not less than 5%
of the number of Class B Shares then  outstanding,  provided that, in each case,
the transferee agrees in writing to be bound by the provisions of this Agreement
and RCMCI is given  written  notice at the time of or within a  reasonable  time
after the transfer,  stating the name and address of the  transferee and stating
the number of Class B Shares with respect to which such qualification rights are
being assigned.

4.3.              Amendment of Qualification Rights

                  Any  provision  of  this  Agreement  may be  amended  and  the
observance  thereof may be waived (either generally or in a particular  instance
and either  retroactively  or  prospectively),  only with the written consent of
RCMCI and the Holders of  two-thirds  of the total number of Class B Shares then
held by all Holders.  Any amendment or waiver  effected in accordance  with this
section 4.3 shall be binding  upon RCMCI and each  present and future  Holder of
Class B Shares.

4.4.              Arbitration

                  Any dispute,  difference or claim between the parties  arising
to or related to the  application,  interpretation,  compliance or default under
this Agreement  shall be resolved  exclusively by arbitration  and the terms and
conditions of the  Shareholders'  Agreement  related to arbitration shall apply,
mutatis mutandis, to arbitration under this Agreement.

<PAGE>

4.5.              Notices

                  Any notice or other communication  required or permitted to be
given  hereunder  shall be in writing and shall be given by prepaid  first-class
mail,   by  facsimile  or  other  means  of  electronic   communication   or  by
hand-delivery  as  hereinafter  provided.  If any notice or other  communication
shall be given by a method  other than  facsimile  or other means of  electronic
communication, a copy of such notice or other communication will be delivered by
facsimile as outlined below but failure to do so will not constitute  failure to
provide  proper  notice.  Any such notice or other  communication,  if mailed by
prepaid first-class mail at any time other than during a general  discontinuance
of postal service due to strike,  lockout or otherwise,  shall be deemed to have
been received on the third Business Day after the post-marked  date thereof,  or
if sent by facsimile or other means of electronic communication, shall be deemed
to have been received on the day received if received prior to 5:00 p.m.  (local
time) on a Business Day,  otherwise on the following day that is a Business Day,
or if delivered by hand shall be deemed to have been  received at the time it is
delivered  to the  applicable  address  noted  below  either  to the  individual
designated  below or to an individual at such address having apparent  authority
to accept  deliveries  on behalf of the  addressee.  Notice of change of address
shall also be governed by this section. In the event of a general discontinuance
of  postal  service  due to  strike,  lockout  or  otherwise,  notices  or other
communications shall be delivered by hand or sent by facsimile or other means of
electronic communication and shall be deemed to have been received in accordance
with this  section.  Notices  and other  communications  shall be  addressed  as
follows:

(a)      if to RCMCI:

         Rogers Cantel Mobile Communications Inc.
         333 Bloor Street East, 10th Floor
         Toronto, Ontario  M4W 1G9
         Attention:                         Chief Executive Officer
         Telecopier:                        (416) 935-3538

         with a copy to:

         Rogers Cantel Mobile Communications Inc.
         333 Bloor Street East, 10th Floor
         Toronto, Ontario  M4W 1G9

<PAGE>

         Attention:                         Chairman of the Board of Directors
         Telecopier:                        (416) 935-3538

         and with a copy to:

         Tory Tory DesLauriers & Binnington
         Suite 3000
         Aetna Tower
         P.O. Box 270
         Toronto-Dominion Centre
         79 Wellington Street West
         Toronto, Ontario  M5K 1N2
         Attention:                         James E.A. Turner
         Telecopier:                        (416) 865-7380

(b)      if to JV:

         JVII
         c/o AT&T Corp.
         295 North Maple Avenue
         Basking Ridge, New Jersey  07920
         Attention:                         Secretary, Marilyn Wasser
         Telecopier:                        (908) 221-4408

         and:

         c/o British Telecommunications plc
         81 Newgate Street
         London, U.K.   EC1A 7AF
         Attention:                         Secretary
         Telecopier:                        44-171-356-6151

         with a copy to:

         Fasken, Campbell, Godfrey
         TD Bank Tower
         P.O. Box 20
         Toronto-Dominion Centre
         Toronto, Ontario  M5K 1N2
         Attention:                         G.C. Glover
         Telecopier number:                 (416) 364-7813

         and to:

         Goodman, Phillips & Vineberg
         Suite 2400

<PAGE>

         250 Yonge Street
         Toronto, Ontario  M5B 2M6
         Attention:                         Stephen H. Halperin
         Telecopier number:                 (416) 979-1234

4.6.              Time of Essence

                  Time is of the essence of this Agreement.

4.7.              Counterparts

                  This Agreement may be signed in counterparts  and each of such
counterparts shall constitute an original document and such counterparts,  taken
together, shall constitute one and the same instrument.

4.8.              Enurement

                  This  Agreement  shall  enure to the benefit of and be binding
upon the parties hereto and their respective  successors and assigns  (including
transferees of any Class B Shares).

<PAGE>

     IN WITNESS WHEREOF the parties have executed this Agreement.

                             JVII PARTNERSHIP


                             /s/        Dexter Congbalay
                             ----------------------------------------
                             By:        Dexter Congbalay
                             Title:

                             /s/        David Chaplin
                             ----------------------------------------
                             By:        David Chaplin
                             Title:


                             ROGERS CANTEL MOBILE COMMUNICATIONS INC.


                             /s/        Graeme McPhail
                             ----------------------------------------
                             By:        Graeme McPhail
                             Title:

                             /s/        David Miller
                             ----------------------------------------
                             By:        David Miller
                             Title:



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