BERGEN BRUNSWIG CORP
SC 13D, 1996-11-20
DRUGS, PROPRIETARIES & DRUGGISTS' SUNDRIES
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934

                                IVAX CORPORATION
                                (Name of Issuer)

                     Common Stock, Par Value $.10 per Share
                         (Title of Class of Securities)

                                    46582310
                                 (CUSIP Number)

                              Milan A. Sawdei, Esq.
                           Bergen Brunswig Corporation
                             4000 Metropolitan Drive
                            Orange, California 92668
                            Telephone: (714) 385-4000
                     (Name, Address and Telephone Number of
                    Person Authorized to Receive Notices and
                                 Communications)

                                    Copy to:

                           John A. Marzulli, Jr., Esq.
                               Shearman & Sterling
                              599 Lexington Avenue
                            New York, New York 10022
                            Telephone: (212) 848-4000

                                November 10, 1996
             (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  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box |_|.


<PAGE>


CUSIP No. 4652310

(1)  Name of Reporting Person
     S.S. or I.R.S. Identification No. of Above Person
              Bergen Brunswig Corporation
              I.R.S. Identification No. 22-1444512

(2)  Check the Appropriate Box if a Member of Group (See Instructions)

|_|  (a)

|_|  (b)

(3)  SEC Use Only


(4)  Sources of Funds (See Instructions) Not Applicable.*


(5)  Check if Disclosure of Legal Proceedings is Required Pursuant to Items 
     2(d) or 2(e).

(6)  Citizenship or Place of Organization  New Jersey


     Number of         (7)      Sole Voting Power
     Shares
     Beneficially      (8)      Shared Voting Power 15,134,384**
     Owned by
     Each              (9)      Sole Dispositive Power 30,177,342**
     Reporting
     Person            (10)     Shared Dispositive Power
     With

    (11) Aggregate Amount Beneficially Owned by Each Reporting Person  
               45,311,726

    (12) Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
         Instructions)

    (13) Percent of Class Represented by Amount in Row (11)
               29.9%*

    (14) Type of Reporting Person (See Instructions)  CO

- ------------ule 13D
*   See Item 3 below.
**  See Item 5 below.


<PAGE>



Item 1.  Security and Issuer.

         The class of equity  securities to which this Statement on Schedule 13D
relates is the common stock, par value $.10 per share (the "Common  Stock"),  of
IVAX  Corporation,  a Florida  corporation  (the  "Issuer"),  with its principal
executive offices located at 4400 Biscayne Boulevard, Miami, Florida 33137.

Item 2.  Identity and Background.

         This  Statement is being filed by Bergen  Brunswig  Corporation,  a New
Jersey corporation (the "Reporting Person").

         The  Reporting  Person  has its  principal  executive  offices  at 4000
Metropolitan  Drive,  Orange,  California  92868.  The  Reporting  Person  is  a
diversified drug and healthcare distribution organization.

         The directors and  executive  officers of the Reporting  Person are set
forth on  Schedule  I  attached  hereto.  Schedule  I sets  forth the  following
information with respect to each such person:

                  (i)   name;

                  (ii)  business address (or residence address where indicated);

                  (iii) present principal occupation or employment and the name,
         principal business and address of any corporation or other organization
         in which such employment is conducted.

All of the directors and executive officers of the Reporting Person are citizens
of the United States.

         During the last five years, neither the Reporting Person nor any person
named in  Schedule  I  attached  hereto  has been (a)  convicted  in a  criminal
proceeding (excluding traffic violations or similar misdemeanors) or (b) a party
to a  civil  proceeding  of a  judicial  or  administrative  body  of  competent
jurisdiction and as a result of such proceeding was or is subject to a judgment,
decree  or final  order  enjoining  future  violations  of,  or  prohibiting  or
mandating activities subject to, federal or state securities laws or finding any
violation with respect to such laws.

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

         This Statement relates to (i) an option granted to the Reporting Person
by the Issuer to  purchase  shares of Common  Stock  from the Issuer  (the "IVAX
Stock  Option"),  as  described  in  Item 4  below  and  (ii)  an  agreement  by
Frost-Nevada,


<PAGE>


                                        2

Limited Partnership and Dr. Phillip Frost,  Chairman and Chief Executive Officer
of the  Issuer,  to vote  shares  of Common  Stock  held by them in favor of the
Merger (as defined below) and against any competing  transaction  for a one-year
period  following  termination of the Agreement and Plan of Merger,  dated as of
November 10, 1996 (the "Merger  Agreement"),  among BBI  Healthcare  Corporation
("BBI"),  the Issuer, the Reporting Person,  BBI-I Sub, Inc. and BBI-B Sub, Inc.
under certain circumstances, as described in Item 4 below.

         The IVAX Stock Option  entitles the Reporting  Person to purchase up to
30,177,342 shares of Common Stock under the circumstances specified in the Stock
Option  Agreement,  dated as of November 10, 1996,  between the Reporting Person
and the Issuer  (the "IVAX Stock  Option  Agreement"),  for a purchase  price of
$12.375 per share (the "IVAX  Option  Price").  In lieu of  receiving  shares of
Common Stock,  the Reporting  Person may elect to receive in cash the difference
between  the IVAX  Option  Price and the  greater  of (i) the price per share of
Common  Stock paid in a Competing  Transaction  (as  defined  below) or (ii) the
closing  price per share of Common  Stock on the last  trading  day prior to the
Reporting  Person  exercising its right to receive such payment (such difference
being  referred to herein as the "IVAX  Spread").  If the Issuer  shall not have
consummated a Competing  Transaction at the time such payment is due, the Issuer
may elect to pay the IVAX Spread in Common Stock.

         The Reporting Person, Frost-Nevada, Limited Partnership and Dr. Phillip
Frost have entered into a Voting  Agreement,  dated as of November 10, 1996 (the
"IVAX Voting Agreement"),  pursuant to which  Frost-Nevada,  Limited Partnership
and Dr. Frost,  together owning approximately 12.5% of the outstanding shares of
Common  Stock,  have  agreed to vote the shares of Common  Stock held by them in
favor of the Merger and against any competing  transaction for a one-year period
following termination of the Merger Agreement under certain circumstances.

Item 4.  Purpose of Transaction.

         The IVAX Stock Option was granted by the Issuer to the Reporting Person
as an  inducement to the  Reporting  Person to enter into the Merger  Agreement.
Pursuant to the Merger Agreement and subject to the conditions set forth therein
(including  approval by the shareholders of each of the Issuer and the Reporting
Person),  BBI-I Sub, Inc., a wholly owned subsidiary of BBI, will merge with and
into the Issuer,  and BBI-B Sub,  Inc., a wholly owned  subsidiary  of BBI, will
merge with and into the  Reporting  Person (the  "Mergers"),  with each share of
Common Stock (other than those owned by the Reporting Person or any wholly owned
subsidiary of the Issuer or the Reporting Person) being converted into the right
to receive  0.4200 of a share of common  stock,  par value $.01 per share of BBI
("BBI Common Stock"), and each


<PAGE>


                                        3

share of Class A common  stock,  par value  $1.50 per  share  ("Bergen  Brunswig
Common Stock"),  of the Reporting  Person (other than those held in the treasury
of the  Reporting  Person  and those  owned by the  Issuer or any  wholly  owned
subsidiary  of the Issuer or the Reporting  Person),  being  converted  into the
right to receive 1.0000 share of BBI Common Stock (together,  the "Merger"). The
Issuer and the  Reporting  Person will be the surviving  corporations  after the
Merger.  As a result of the Merger,  the surviving  corporations  will be wholly
owned subsidiaries of BBI.

         The foregoing  description of the Merger  Agreement is qualified in its
entirety  by  reference  to the Merger  Agreement,  a copy of which is  attached
hereto as Exhibit 2 and incorporated herein by reference.

         As an inducement to the Issuer to enter into the Merger Agreement,  the
Reporting  Person  granted to the Issuer a  reciprocal  option to purchase up to
9,953,076  shares of  Bergen  Brunswig  Common  Stock  under  the  circumstances
specified  in the Stock  Option  Agreement,  dated as of November  10, 1996 (the
"Bergen Brunswig Stock Option Agreement"),  between the Issuer and the Reporting
Person,  for a purchase price of $27.625 per share (the "Bergen  Brunswig Option
Price"). In lieu of receiving shares of Bergen Brunswig Common Stock, the Issuer
may elect to receive in cash the difference  between the Bergen  Brunswig Option
Price and the greater of (i) the price per share of Bergen Brunswig Common Stock
paid in a Competing  Transaction  or (ii) the closing  price per share of Bergen
Brunswig Common Stock on the last trading day prior to the Issuer exercising its
right to receive such payment (such  difference  being herein referred to as the
"Bergen Brunswig Spread").  If the Reporting Person shall not have consummated a
Competing  Transaction at the time such payment is due, the Reporting Person may
elect to pay the Bergen Brunswig Spread in Bergen Brunswig Common Stock.

         Subject to the  conditions  that the  delivery of the IVAX Stock Option
Shares or the Bergen  Brunswig  Stock Option Shares or the payment of the Bergen
Brunswig Spread or the IVAX Spread,  as the case may be, as the case may be, (i)
would not in any  material  respect  violate,  or  otherwise  cause the material
violation of, Section 713 of the American  Stock Exchange  Company Guide or Rule
12.03(c) of the New York Stock Exchange Listed Company Manual, respectively,  or
any material law and (ii) is not prevented or prohibited by any  preliminary  or
permanent injunction or other order of any court of competent jurisdiction,  the
Reporting  Person or the Issuer may exercise the IVAX Stock Option or the Bergen
Brunswig Stock Option,  respectively,  in whole or in part, at any time and from
time to time after the  occurrence of an Exercise  Event (as defined  below) and
prior to the Termination Date (as defined below).



<PAGE>


                                        4

         For purposes of the IVAX Stock Option  Agreement,  an "Exercise  Event"
will occur upon the occurrence of any event or circumstance  which,  pursuant to
the terms of Section  8.05(b) of the Merger  Agreement,  entitles the  Reporting
Person to the payment by the Issuer of a $50 million  termination fee. Under the
Merger  Agreement,  such fee is payable if the Merger  Agreement  is  terminated
because (i) the Board of Directors of the Issuer, following receipt of advice of
outside legal counsel  (including the Issuer's  regularly  engaged outside legal
counsel) that failure to so terminate would be  inconsistent  with its duties to
its shareholders under applicable law, in good faith has withdrawn,  modified or
changed  its  recommendation  of the  adoption of the Merger  Agreement  and the
Merger in a manner  adverse to the  Reporting  Person  and,  on or prior to such
date,  any person  (other than the  Reporting  Person)  shall have made a public
announcement or otherwise  communicated to the Issuer and its shareholders  with
respect to a Competing  Transaction  (as defined below) that contains terms more
favorable  to the  shareholders  of the Issuer  than those  provided  for in the
Merger;  (ii) at a time when a Competing  Transaction with respect to the Issuer
is proposed (a) the Board of Directors of the Issuer has withdrawn,  modified or
changed its  recommendation  of the Merger  Agreement and the Merger in a manner
adverse  to the  Reporting  Person or has  resolved  to do so,  (b) the Board of
Directors  of the Issuer has  recommended  to the  shareholders  of the Issuer a
Competing Transaction or has resolved to do so or (c) a tender offer or exchange
offer for 15% or more of the outstanding shares of Common Stock is commenced and
the Board of Directors of the Issuer fails to recommend that the shareholders of
the Issuer not accept  such tender or  exchange  offer;  or (iii) (a) the Merger
Agreement and the Merger fail to receive the requisite  vote for approval by the
shareholders of the Issuer at the meeting of the Issuer's shareholders called to
consider the Merger Agreement, (b) at the time of such failure to so approve the
Merger  Agreement,   there  shall  exist  or  have  been  proposed  a  Competing
Transaction with respect to the Issuer and (c) within 12 months thereafter,  the
Issuer  enters  into a  definitive  agreement  with  respect  to  any  Competing
Transaction or any Competing Transaction is consummated.

         For  purposes  of  the  Bergen  Brunswig  Stock  Option  Agreement,  an
"Exercise  Event" will occur upon the  occurrence  of any event or  circumstance
which,  pursuant  to the  terms of  Section  8.05(c)  of the  Merger  Agreement,
entitles  the Issuer to the  payment by the  Reporting  Person of a $39  million
termination fee. Under the Merger  Agreement,  such fee is payable if the Merger
Agreement is terminated under circumstances with respect to the Reporting Person
which are  identical  to those  with  respect  to the  Issuer  described  in the
preceding paragraph.

         For purposes of the Merger Agreement,  a "Competing  Transaction" means
any of the following  involving the Reporting Person or the Issuer,  as the case
may be (other than the Merger):  (i) a merger,  consolidation,  share  exchange,
business  combination  or  other  similar  transaction,  (ii) any  sale,  lease,
exchange, transfer or


<PAGE>


                                        5

other  disposition  of 15  percent  or more of the  assets of such party and its
subsidiaries,  taken as a whole,  (iii) a tender offer or exchange  offer for 15
percent or more of the outstanding  voting  securities of such party or (iv) any
solicitation  in  opposition  to the  approval of the Merger  Agreement  and the
Merger by either the shareholders of the Issuer or the Reporting  Person, as the
case may be.

         Each of the  Reporting  Person and the Issuer has been granted  certain
registration  rights  with  respect  to any  shares  of  Common  Stock or Bergen
Brunswig Common Stock,  as the case may be, that either the Reporting  Person or
the Issuer may  acquire  upon  exercise  of the IVAX Stock  Option or the Bergen
Brunswig  Stock Option,  respectively,  as provided for in the IVAX Stock Option
Agreement or the Bergen Brunswig Stock Option Agreement, respectively.

         Each of the IVAX  Stock  Option and the Bergen  Brunswig  Stock  Option
expires at the  "Termination  Date,"  which is defined in the IVAX Stock  Option
Agreement and the Bergen Stock Option Agreement as the first to occur of (i) the
effective  time  of the  Merger,  (ii)  the  date  which  is 90 days  after  the
occurrence of an Exercise Event or (iii) the termination of the Merger Agreement
in any manner in which the Reporting Person or the Issuer,  respectively,  would
not be entitled  pursuant to Section  8.05(b) or 8.05(c),  respectively,  of the
Merger Agreement to payment of the amount specified therein.

         The foregoing  descriptions of the IVAX Stock Option  Agreement and the
Bergen  Brunswig  Stock Option  Agreement  are  qualified  in their  entirety by
reference  to the IVAX Stock  Option  Agreement  and the Bergen  Brunswig  Stock
Option Agreement, copies of which are attached hereto as Exhibits 10.1 and 10.3,
respectively, and incorporated by reference herein.

         Under the IVAX Voting Agreement,  Frost-Nevada, Limited Partnership and
Dr. Phillip Frost, together owning approximately 12.5% of the outstanding shares
of Common Stock,  have agreed (i) not to sell or transfer shares of Common Stock
held by them and (ii) to vote such shares in favor of the Merger and against any
competing  transaction  for a one-year  period after  termination  of the Merger
Agreement,  if the Merger  Agreement is terminated for a cause pursuant to which
the Reporting  Person is entitled to payment of the $50 million  termination fee
referred  to  above.   During  such  one-year  period,   Frost-Nevada,   Limited
Partnership  and Dr.  Frost have the right to sell or transfer  shares of Common
Stock held by them,  provided that such transaction shall not be with a party by
or on behalf of which a Competing Transaction has been proposed.



<PAGE>


                                        6

The  foregoing  description  of the IVAX Voting  Agreement  is  qualified in its
entirety by reference to the IVAX Voting Agreement,  a copy of which is attached
hereto as Exhibit 10.2 and incorporated by reference herein.

         In  addition,  the Issuer and Robert E.  Martini  have  entered  into a
similar Voting  Agreement,  dated as of November 10, 1996 (the "Bergen  Brunswig
Voting  Agreement"),  pursuant  to  which  Mr.  Martini,  a  shareholder  owning
approximately  5.3% of the  outstanding  shares of Bergen Brunswig Common Stock,
has agreed (i) not to sell or transfer  shares of Bergen  Brunswig  Common Stock
held by him and (ii) to vote such  shares in favor of the Merger and against any
competing  transaction  for a one-year  period after  termination  of the Merger
Agreement,  if the Merger  Agreement is terminated for a cause pursuant to which
the Issuer is entitled to payment of the $39 million termination fee referred to
above.  During  such  one-year  period,  Mr.  Martini  has the  right to sell or
transfer shares of Bergen Brunswig Common Stock held by him,  provided that such
transaction  shall  not be with a party by or on  behalf  of  which a  Competing
Transaction has been proposed.

         The foregoing  description of the Bergen Brunswig  Voting  Agreement is
qualified in its entirety by reference to the Bergen Brunswig Voting  Agreement,
a copy of which is attached hereto as Exhibit 10.4 and incorporated by reference
herein.

         If the Merger is  consummated  as  planned,  the  Common  Stock and the
Bergen  Brunswig  Common Stock will be  deregistered  under the Exchange Act and
cease to be  listed  on the  American  Stock  Exchange  and the New  York  Stock
Exchange,  respectively.  The Merger is  conditioned  on BBI Common  Stock being
authorized for listing on the New York Stock Exchange.

         Upon consummation of the Merger, (i) the officers of the Issuer and the
Reporting  Person shall continue to serve in their  respective  offices of their
respective  surviving   corporations  until  their  successors  are  elected  or
appointed and qualified or until their  respective  resignations or removals and
(ii) the  directors of BBI-I Sub,  Inc. and BBI-B Sub,  Inc.  shall serve as the
directors of their respective surviving  corporations until their successors are
elected or appointed and  qualified or until their  respective  resignations  or
removals.

         When the Merger is completed,  Robert E. Martini,  who is currently the
Chairman and Chief Executive  Officer of the Reporting  Person,  and Dr. Phillip
Frost, who is currently the Chairman and Chief Executive  Officer of the Issuer,
will be  Co-Chairmen  of the Board of  Directors of BBI for at least three years
following  consummation of the Merger. In addition,  Donald R. Roden, who is the
President,  Chief  Operating  Officer and Chief Executive  Officer-Elect  of the
Reporting Person,


<PAGE>


                                        7

will be President and Chief Executive Officer of BBI and Neil F. Dimick,  who is
Executive Vice President and Chief  Financial  Officer of the Reporting  Person,
will be the Chief Financial Officer of BBI.

         The Board of  Directors  of BBI  initially  will consist of 17 members,
eight  chosen by the  Reporting  Person,  eight  chosen by the Issuer,  plus the
President  and Chief  Executive  Officer of BBI.  The  Reporting  Person and the
Issuer will appoint at least three directors who will not be employees of either
company or of BBI.

         The initial  annualized  dividend rate paid to BBI  shareholders  after
completion of the Merger is intended to be $0.48 per share,  subject to approval
and declaration by the BBI Board of Directors.  The annualized rate of $0.48 per
share is equivalent to the historic  dividend rate paid to  shareholders  of the
Reporting Person. The payment of dividends by BBI in the future,  however,  will
depend on business  conditions,  its financial position and earnings,  and other
factors.

         Other than as described  above,  the  Reporting  Person has no plans or
proposals  which relate to, or may result in, any of the matters listed in Items
4(a)-(j) of Schedule 13D (although the  Reporting  Person  reserves the right to
develop such plans).

Item 5.  Interest in Securities of the Issuer.

         As a result of the IVAX  Stock  Option,  the  Reporting  Person  may be
deemed to be the beneficial  owner of 30,177,342  shares of Common Stock,  which
would represent  approximately  19.9% of the shares of Common Stock  outstanding
after exercise of the IVAX Stock Option.

         In addition,  under the IVAX Voting Agreement, the Reporting Person may
be deemed to be the beneficial owner of 15,134,384 shares of Common Stock, which
represents  approximately  12.5% of the currently  outstanding  shares of Common
Stock.

         Except as described herein,  neither the Reporting Person nor any other
person referred to in Schedule I attached hereto has acquired or disposed of any
shares of Common Stock during the past 60 days.

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

         Except for the Merger  Agreement,  the IVAX Stock Option  Agreement and
the  IVAX  Voting  Agreement,  none  of the  persons  named  in  Item 2 has  any
contracts,


<PAGE>


                                        8

arrangements,  understandings  or  relationships  (legal or otherwise)  with any
person with respect to any securities of the Issuer,  including, but not limited
to, transfer or voting of any securities, finder's fees, joint ventures, loan or
option arrangements,  puts or calls, guarantees of profits,  division of profits
or loss, or the giving or withholding of proxies.

Item 7.  Material to Be Filed as Exhibits.

         2    Agreement and Plan of Merger, dated as of November 10,
              1996, among BBI Healthcare Corporation, IVAX Corporation, Bergen
              Brunswig Corporation, BBI-I Sub, Inc. and BBI-B Sub, Inc.

     10.1     Stock Option Agreement, dated as of November 10, 1996,
              between IVAX Corporation and Bergen Brunswig Corporation

     10.2     Voting Agreement, dated as of November 10, 1996,
              among Bergen Brunswig Corporation, Frost-Nevada, Limited
              Partnership and Dr. Phillip Frost

     10.3     Stock Option Agreement, dated as of November 10, 1996,
              between Bergen Brunswig Corporation and IVAX Corporation

     10.4     Voting Agreement, dated as of November 10, 1996,
              between IVAX Corporation and Robert E. Martini



<PAGE>


                                        9

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.

November 20, 1996                   BERGEN BRUNSWIG CORPORATION

                                    By /s/       Milan A. Sawdei
                                       -------------------------
                                         Name:   Milan A. Sawdei
                                         Title:  Executive Vice President,
                                                 Chief Legal Officer and
                                                 Secretary



<PAGE>



                                   Schedule I


                  The  name  and  present  principal  occupation  of each of the
executive  officers and directors of Bergen  Brunswig  Corporation are set forth
below.  Unless otherwise noted, each of these persons is a United States citizen
and  has as his  or  her  business  address  4000  Metropolitan  Drive,  Orange,
California  92868.  Further,  for each of these  persons,  his or her  principal
occupation is the same as his or her position with Bergen Brunswig  Corporation,
unless otherwise indicated.

<TABLE>

<S>                   <C>                                                  <C>  
                                                                           Principal Occupation
Name                  Position with Bergen Brunswig Corporation            and Business Address
- ----                  -----------------------------------------            --------------------

Robert E. Martini     Chairman and Chief Executive Officer, Director

Donald R. Roden       President and Chief Operating
                      Officer, Chief Executive Officer - Elect, Director

Neil F. Dimick        Executive Vice President and
                      Chief Financial Officer, Director

Milan A. Sawdei       Executive Vice President, Chief
                      Legal Officer and Secretary

Linda M. Burkett      Executive Vice President and Chief
                      Information Officer

William J. Elliot     Executive Vice President

Brent R. Martini      Executive Vice President

Carol E. Scherman     Executive Vice President

Eric J. Schmitt       Vice President, Finance and
                      Treasurer

Charles J. Carpenter  Chief Procurement Officer

John Calasibetta      Senior Vice President, Director
</TABLE>

<TABLE>
<PAGE>
                                       2

<S>                                <C>                                     <C>    
                                   Position with Bergen                    Principal Occupation
Name                               Brunswig Corporation                    and Business Address
- ----                               --------------------                    --------------------
                                                                           
Jose E. Blanco, Sr.                Director                                Chairman of the Board (Retired)
                                                                           J.M. Blanco, Inc.
                                                                           Lot 21, Diana Street
                                                                           Amelia Industrial Park
                                                                           Guaynabo, Puerto Rico  00965
                                                                           
                                                                           
Rodney H. Brady                    Director                                President and Chief Executive
                                                                           Officer
                                                                           Deseret Management
                                                                           Corporation
                                                                           60 E. South Temple
                                                                           Salt Lake City, Utah  84111
                                                                           
                                                                           
                                                                           
Dr. Charles C. Edwards             Director                                Healthcare Executive (Retired)
                                                                           Scripps Research Institution
                                                                           10666 N. Torrey Pine Road
                                                                           La Jolla, California  92037
                                                                           
                                                                           
George R. Liddle                   Director                                Investment Advisor
                                                                           595 Oakfield Lane
                                                                           Menlo Park, California  94025
                                                                           
                                                                           
James R. Mellor                    Director                                Chairman and Chief Executive
                                                                           Officer
                                                                           General Dynamics Corporation
                                                                           3190 Fairview Park Drive
                                                                           Falls Church, Virginia  22042
                                                                           
                                                                           
George E. Reinhardt,               Director                                Finance Executive (Retired)
Jr.                                                                        1709 Dalton Road
                                                                           Palos Verdes Estates
                                                                           Palos Verdes Beach, California
                                                                           90274

                                                                              
Francis G. Rodgers                 Director                                Author and Lecturer
                                                                           159 Pear Tree Point Road
                                                                           Darien, Connecticut  06820
                             
                             
Charles J. Lee                     Director                                Investment Banker (Retired)
                                                                           400 Selby Lane
                                                                           Atherton, California  94025
                             
</TABLE>
                             
                       
                             
===============================================================================
                             
                             
                             AGREEMENT AND PLAN OF MERGER
                             
                                         among
                             
                              BBI HEALTHCARE CORPORATION,
                             
                                   IVAX CORPORATION,
                             
                             BERGEN BRUNSWIG CORPORATION,
                             
                                    BBI-I SUB, INC.
                             
                                          and
                             
                                 BBI-B SUB, INC.


                          Dated as of November 10, 1996


================================================================================


<PAGE>



                                TABLE OF CONTENTS

Section                                                                     Page

                                    ARTICLE I

                                   THE MERGERS

1.01.  Formation of Merger Subsidiaries.....................................  3
1.02.  The Mergers..........................................................  3
1.03.  Closing..............................................................  3
1.04.  Effective Time.......................................................  4
1.05.  Effect of the Mergers................................................  4
1.06.  Articles of Incorporation; Certificate of Incorporation; Bylaws;
          Directors and Officers of Surviving Corporation...................  4
1.07.  Restated Certificate of Incorporation and Restated Bylaws of BBI.....  5

                                   ARTICLE II

               CONVERSION OF SECURITIES; EXCHANGE OF CERTIFICATES

2.01.  Conversion of Securities.............................................  5
2.02.  Conversion of Shares.................................................  5
2.03.  Cancellation of Treasury Shares and of Outstanding BBI Common Stock..  6
2.04.  Conversion of Common Stock of IVAX Merger Sub and Bergen Merger Sub
          into Common Stock of the Surviving Corporations...................  7
2.05.  Exchange of Shares Other than Treasury Shares........................  7
2.06.  Stock Transfer Books.................................................  8
2.07.  No Fractional Share Certificates.....................................  9
2.08.  Options to Purchase Each of IVAX Common Stock and Bergen Common Stock 10
2.09.  Restricted Stock..................................................... 11
2.10.  Certain Adjustments.................................................. 11

                                   ARTICLE III

                     REPRESENTATIONS AND WARRANTIES OF IVAX

3.01.  Organization and Qualification; Subsidiaries......................... 12
3.02.  Articles of Incorporation and Bylaws................................. 12
3.03.  Capitalization....................................................... 12
3.04.  Authority Relative to this Agreement and the IVAX Stock Option
          Agreement......................................................... 13
3.05.  No Conflict; Required Filings and Consents........................... 14
3.06.  Permits; Compliance with Laws........................................ 15
3.07.  SEC Filings; Financial Statements.................................... 17
3.08.  Absence of Certain Changes or Events................................. 18


<PAGE>


                                      (ii)


Section                                                                     Page

3.09.  Employee Benefit Plans; Labor Matters................................ 18
3.10.  Accounting and Tax Matters........................................... 20
3.11.  Contracts; Debt Instruments.......................................... 20
3.12.  Litigation........................................................... 21
3.13.  Environmental Matters................................................ 21
3.14.  Intellectual Property................................................ 22
3.15.  Taxes  .............................................................. 22
3.16.  Pooling Affiliates................................................... 23
3.17.  Suppliers............................................................ 23
3.18.  Opinion of Financial Advisor......................................... 23
3.19.  Brokers.............................................................. 23

                               ARTICLE IV

                REPRESENTATIONS AND WARRANTIES OF BERGEN

4.01.  Organization and Qualification; Subsidiaries......................... 24
4.02.  Certificate of Incorporation and Bylaws.............................. 24
4.03.  Capitalization....................................................... 24
4.04.  Authority Relative to this Agreement................................. 25
4.05.  No Conflict; Required Filings and Consents........................... 26
4.06.  Permits; Compliance with Laws........................................ 27
4.07.  SEC Filings; Financial Statements.................................... 28
4.08.  Absence of Certain Changes or Events................................. 29
4.09.  Employee Benefit Plans; Labor Matters................................ 29
4.10.  Accounting and Tax Matters........................................... 31
4.11.  Contracts; Debt Instruments.......................................... 32
4.12.  Litigation........................................................... 32
4.13.  Environmental Matters................................................ 32
4.14.  Intellectual Property................................................ 33
4.15.  Taxes  .............................................................. 33
4.16.  Pooling Affiliates................................................... 33
4.17.  Customers............................................................ 33
4.18.  Opinion of Financial Advisor......................................... 34
4.19.  Brokers.............................................................. 34

                                ARTICLE V

                                COVENANTS

5.01.  Conduct of Business by IVAX Pending the Closing...................... 34
5.02.  Conduct of Business by Bergen Pending the Closing.................... 37
5.03.  Cooperation.......................................................... 39


<PAGE>


                                      (iii)


Section                                                                     Page

5.04.  Notices of Certain Events............................................ 39
5.05.  Access to Information; Confidentiality............................... 40
5.06.  No Solicitation of Transactions...................................... 40
5.07.  Pooling.............................................................. 41
5.08.  Letters of Accountants............................................... 42
5.09.  Plan of Reorganization............................................... 42
5.10.  Subsequent Financial Statements...................................... 42
5.11.  Control of Operations................................................ 42
5.12.  Further Action; Consents; Filings.................................... 42

                                   ARTICLE VI

                              ADDITIONAL AGREEMENTS

6.01.  Registration Statement; Joint Proxy Statement........................ 43
6.02.  Shareholders' Meetings............................................... 46
6.03.  Employee Benefits Matters............................................ 47
6.04.  Executive Officers................................................... 48
6.05.  Pooling Affiliates................................................... 48
6.06.  Assumption of Debt................................................... 49
6.07.  Directors' and Officers' Indemnification and Insurance............... 50
6.08.  No Shelf Registration................................................ 52
6.09.  Public Announcements................................................. 52
6.10.  Dividends............................................................ 52
6.11.  Headquarters......................................................... 52
6.12.  Post-Merger BBI Board of Directors................................... 53
6.13.  Stock Exchange Listings.............................................. 53
6.14.  Blue Sky............................................................. 54

                                   ARTICLE VII

                            CONDITIONS TO THE MERGERS

7.01.  Conditions to the Obligations of Each Party to Consummate the
          Mergers........................................................... 54
7.02.  Conditions to the Obligations of IVAX................................ 55
7.03.  Conditions to the Obligations of Bergen.............................. 56

                                  ARTICLE VIII

                        TERMINATION, AMENDMENT AND WAIVER

8.01.  Termination.......................................................... 57
8.02.  Effect of Termination................................................ 59




<PAGE>


                                      (iv)

Section                                                                     Page

8.03.  Amendment............................................................ 60
8.04.  Waiver .............................................................. 60
8.05.  Fees and Expenses.................................................... 60

                                   ARTICLE IX

                               GENERAL PROVISIONS

9.01.  Non-Survival of Representations and Warranties....................... 62
9.02.  Notices.............................................................. 62
9.03.  Certain Definitions.................................................. 63
9.04.  Severability......................................................... 66
9.05.  Assignment; Binding Effect; Benefit.................................. 66
9.06.  Incorporation of Exhibits............................................ 66
9.07.  Specific Performance................................................. 67
9.08.  Governing Law........................................................ 67
9.09.  Consent to Jurisdiction; Venue....................................... 67
9.10.  Headings............................................................. 67
9.11.  Counterparts......................................................... 67
9.12.  Entire Agreement..................................................... 67


                                    EXHIBITS



EXHIBIT 1.07(a)      Restated Certificate of Incorporation of BBI

EXHIBIT 1.07(b)      Restated Bylaws of BBI

EXHIBIT 6.05(a)      Form of IVAX Affiliate Letter

EXHIBIT 6.05(b)      Form of Bergen Affiliate Letter


<PAGE>



                             Index of Defined Terms


Defined Term                                                        Section
- ------------                                                        -------

affiliate                                                        Section 9.03(a)
Agreement                                                        Preamble
AMEX                                                             Section 3.05(b)
Ancillary Agreements                                             Section 9.03(b)
Arthur Andersen                                                  Section 3.10(b)
BBI                                                              Preamble
BBI Common Stock                                                 Section 2.02(a)
BBI Replacement Plans                                            Section 6.03(b)
beneficial owner                                                 Section 9.03(e)
Bergen                                                           Preamble
Bergen Affiliate Letter                                          Section 6.05(b)
Bergen Benefit Plans                                             Section 4.09(a)
Bergen Certificate of Merger                                     Section 1.04
Bergen Common Shares Trust                                       Section 2.07(c)
Bergen Common Stock                                              Recitals
Bergen Director                                                  Section 6.12
Bergen Disclosure Schedule                                       Section 4.03
Bergen Exchange Ratio                                            Section 2.02(b)
Bergen Foreign Benefit Plan                                      Section 4.09(c)
Bergen Material Adverse Effect                                   Section 9.03(c)
Bergen Material Adverse Effect Exclusion                         Section 9.03(d)
Bergen Material Contract                                         Section 4.11(a)
Bergen Merger                                                    Section 1.02(b)
Bergen Merger Sub                                                Preamble
Bergen Permits                                                   Section 4.06(a)
Bergen Preferred Stock                                           Section 4.03
Bergen Reports                                                   Section 4.07(a)
Bergen Shareholders' Approval                                    Section 5.06(b)
Bergen Shareholders' Meeting                                     Section 6.01(a)
Bergen Shares                                                    Section 2.02(c)
Bergen Stock Incentive Plan                                      Section 4.03
Bergen Stock Option Agreement                                    Recitals
Bergen Stock Options                                             Section 2.08
Bergen Stock Plans                                               Section 4.03
Bergen Subsidiaries                                              Section 4.01
Bergen Surviving Corporation                                     Section 1.02(b)
Bergen Termination Fee                                           Section 8.05(c)
Bergen Voting Agreement                                          Recitals


<PAGE>



                         Index of Defined Terms (cont'd)


Defined Term                                                        Section
- ------------                                                        -------

Bergen 1983 Plan                                                 Section 4.03
Bergen 1995 10-K                                                 Section 4.02
Blue Sky Laws                                                    Section 3.05(b)
business day                                                     Section 9.03(f)
CERCLA                                                           Section 3.13(b)
Closing                                                          Section 1.03
Code                                                             Recitals
Competing Transaction                                            Section 5.06(b)
Confidentiality Agreement                                        Section 5.05(b)
Costs                                                            Section 6.07(e)
DEA                                                              Section 3.06(a)
Deloitte & Touche                                                Section 4.10(b)
DGCL                                                             Recitals
$                                                                Section 9.03(g)
Effective Time                                                   Section 1.04
Environmental Law                                                Section 3.13(b)
Environmental Permit                                             Section 3.13(b)
ERISA                                                            Section 3.09(a)
Excess Shares                                                    Section 2.07(b)
Exchange Act                                                     Section 3.05(b)
Exchange Agent                                                   Section 2.05
Exchange Fund                                                    Section 2.05
Exchange Ratios                                                  Section 2.02(b)
Expenses                                                         Section 8.05(a)
FBCA                                                             Recitals
FDA                                                              Section 3.06(a)
FDCA                                                             Section 3.06(a)
Governmental Entity                                              Section 3.05(b)
Governmental Order                                               Section 9.03(j)
Hazardous Material                                               Section 3.13(b)
HSR Act                                                          Section 3.05(b)
Indemnified Parties                                              Section 6.07(e)
IRS                                                              Section 3.09(a)
IVAX                                                             Preamble
IVAX Affiliate Letter                                            Section 6.05(a)
IVAX Articles of Merger                                          Section 1.04
IVAX Benefit Plans                                               Section 3.09(a)
IVAX Common Shares Trust                                         Section 2.07(c)
IVAX Common Stock                                                Recitals
IVAX Director                                                    Section 6.12


                                      (ii)

<PAGE>


                         Index of Defined Terms (cont'd)


Defined Term                                                        Section
- ------------                                                        -------

IVAX Disclosure Schedule                                         Section 3.03
IVAX Exchange Ratio                                              Section 2.02(a)
IVAX Foreign Benefit Plan                                        Section 3.09(c)
IVAX Indenture                                                   Section 6.06(a)
IVAX Material Adverse Effect                                     Section 9.03(h)
IVAX Material Adverse Effect Exclusion                           Section 9.03(i)
IVAX Material Contract                                           Section 3.11
IVAX Merger                                                      Section 1.02(a)
IVAX Merger Sub                                                  Preamble
IVAX Permits                                                     Section 3.06(a)
IVAX Reports                                                     Section 3.07(a)
IVAX Savings Plan                                                Section 3.03
IVAX Savings Plan (Puerto Rico)                                  Section 3.03
IVAX Shareholders' Approval                                      Section 5.06(b)
IVAX Shareholders' Meeting                                       Section 6.01(a)
IVAX Shares                                                      Section 2.02(c)
IVAX Stock Option Agreement                                      Recitals
IVAX Stock Options                                               Section 2.08
IVAX Stock Plans                                                 Section 3.03
IVAX Subordinated Notes                                          Section 3.03
IVAX Subsidiaries                                                Section 3.01
IVAX Surviving Corporation                                       Section 1.02(a)
IVAX Termination Fee                                             Section 8.05(b)
IVAX Voting Agreement                                            Recitals
IVAX 1985 Plan                                                   Section 3.03
IVAX 1994 Plan                                                   Section 3.03
IVAX 1995 10-K                                                   Section 3.02
Joint Proxy Statement                                            Section 6.01(a)
knowledge                                                        Section 9.03(k)
Law                                                              Section 3.06(a)
Lehman Brothers                                                  Section 3.18
McGaw 1991 Plan                                                  Section 3.03
Merger Subsidiaries                                              Preamble
Mergers                                                          Section 1.02(b)
Merrill Lynch                                                    Section 4.18
New Bergen Common Stock                                          Section 2.04(b)
New IVAX Common Stock                                            Section 2.04(a)
NJBCA                                                            Recitals
NYSE                                                             Section 4.05(b)
Parties                                                          Section 1.01


                                      (iii)

<PAGE>


                         Index of Defined Terms (cont'd)


Defined Term                                                        Section
- ------------                                                        -------

person                                                           Section 9.03(l)
Pooling Affiliate                                                Section 3.16
Presurrender Dividends                                           Section 2.05
Registration Statement                                           Section 6.01(a)
Regulations                                                      Recitals
Reorganization                                                   Recitals
Representatives                                                  Section 5.05(a)
SEC                                                              Recitals
Securities Act                                                   Section 3.05(b)
Shareholders' Meetings                                           Section 6.01(a)
Shares                                                           Section 2.02(c)
Steering Committee                                               Section 5.03
Stock Plans                                                      Section 6.03(d)
subsidiary or subsidiaries                                       Section 9.03(m)
Surviving Corporations                                           Section 1.02(b)
Taxes                                                            Section 3.15
Terminating Bergen Breach                                        Section 8.01(h)
Terminating IVAX Breach                                          Section 8.01(g)
U.S. GAAP                                                        Section 3.07(b)
Zenith 1992 Plan                                                 Section 3.03
Zenith Directors' Plan                                           Section 3.03


                                      (iv)

<PAGE>

                  AGREEMENT AND PLAN OF MERGER, dated as of November 10, 1996
(this "Agreement"), among BBI HEALTHCARE CORPORATION, a Delaware corporation
("BBI"), IVAX CORPORATION, a Florida corporation ("IVAX"), BERGEN BRUNSWIG
CORPORATION, a New Jersey corporation ("Bergen"), BBI-I SUB, INC., a Florida
corporation and a wholly owned subsidiary of BBI ("IVAX Merger Sub"), and BBI-B
SUB, INC., a New Jersey corporation and a wholly owned subsidiary of BBI
("Bergen Merger Sub" and, together with IVAX Merger Sub, the "Merger
Subsidiaries").


                              W I T N E S S E T H:


                  WHEREAS, the boards of directors of IVAX and Bergen have
determined that it is consistent with and in furtherance of their respective
long-term business strategies and fair to and in the best interests of their
respective companies and shareholders to combine their respective businesses in
a "merger-of-equals" transaction so that they will be conducted by such
companies or their successors as direct subsidiaries of BBI as set forth in this
Agreement (the "Reorganization");

                  WHEREAS, upon the terms and subject to the conditions of this
Agreement and in accordance with the Business Corporation Act of the State of
Florida (the "FBCA"), the Business Corporation Act of the State of New Jersey
(the "NJBCA") and the General Corporation Law of the State of Delaware (the
"DGCL"), BBI will acquire all of the common stock of each of IVAX and Bergen
through the merger of IVAX Merger Sub with and into IVAX and the merger of
Bergen Merger Sub with and into Bergen and the shareholders of each of IVAX and
Bergen will receive shares of common stock of BBI in proportion to their
interests in IVAX and Bergen, respectively;

                  WHEREAS, IVAX and Bergen have organized BBI and have caused
BBI to issue to each of them 50% of its outstanding capital stock;

                  WHEREAS, as a result of the merger of IVAX Merger Sub with and
into IVAX and the merger of Bergen Merger Sub with and into Bergen, (i) IVAX
will be a wholly owned subsidiary of BBI, (ii) Bergen will be a wholly owned
subsidiary of BBI, (iii) the shareholders of IVAX will become shareholders of
BBI and (iv) the shareholders of Bergen will become shareholders of BBI;

                  WHEREAS, in furtherance of the Reorganization, the board of
directors of IVAX has adopted this Agreement and the Mergers, as contemplated by
this Agreement and


<PAGE>



                                        2

has recommended that the holders of common stock, par value $.10 per share, of
IVAX ("IVAX Common Stock") vote to approve this Agreement and the terms of the
Mergers as contemplated by this Agreement;

                  WHEREAS, in furtherance of the Reorganization, the Board of
Directors of Bergen has approved this Agreement and the Mergers, as contemplated
by this Agreement and has recommended that the holders of Class A common stock,
par value $1.50 per share, of Bergen ("Bergen Common Stock"), vote to approve
this Agreement and the terms of the Mergers as contemplated by this Agreement;

                  WHEREAS, concurrently with the execution of this Agreement and
as an inducement to Bergen to enter into this Agreement, certain shareholders of
IVAX have entered into a voting agreement (the "IVAX Voting Agreement") pursuant
to which such shareholders, among other things, have agreed to vote certain of
the outstanding shares of IVAX Common Stock in favor of the approval of this
Agreement and the Mergers contemplated hereby, upon the terms and subject to the
conditions set forth therein;

                  WHEREAS, concurrently with the execution of this Agreement and
as an inducement to IVAX to enter into this Agreement, certain shareholders of
Bergen have entered into a voting agreement (the "Bergen Voting Agreement")
pursuant to which such shareholders, among other things, have agreed to vote
certain of the outstanding shares of Bergen Common Stock in favor of the
approval of this Agreement and the Mergers contemplated hereby, upon the terms
and subject to the conditions set forth therein;

                  WHEREAS, concurrently with the execution of this Agreement and
as an inducement to Bergen to enter into this Agreement, IVAX and Bergen have
entered into a Stock Option Agreement (the "IVAX Stock Option Agreement")
pursuant to which IVAX has granted to Bergen an option to purchase from IVAX
shares of IVAX Common Stock, upon the terms and subject to the conditions set
forth therein;

                  WHEREAS, concurrently with the execution of this Agreement and
as an inducement to IVAX to enter into this Agreement, IVAX and Bergen have
entered into a Stock Option Agreement (the "Bergen Stock Option Agreement")
pursuant to which Bergen has granted to IVAX an option to purchase from Bergen
shares of Bergen Common Stock, upon the terms and subject to the conditions set
forth therein;

                  WHEREAS, the parties hereto intend that each of the Mergers
shall be accounted for as a "pooling of interests" for financial reporting
purposes under applicable United States accounting rules and the accounting
standards of the United States Securities and Exchange Commission (the "SEC");
and



<PAGE>


                                        3

                  WHEREAS, for United States federal income tax purposes, it is
intended that the Mergers qualify as reorganizations under the provisions of
Section 368(a) of the United States Internal Revenue Code of 1986, as amended
(the "Code"), and the Treasury regulations thereunder (the "Regulations");

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


                                    ARTICLE I

                                   THE MERGERS

                  SECTION 1.01. Formation of Merger Subsidiaries. BBI has formed
IVAX Merger Sub and Bergen Merger Sub under the FBCA and the NJBCA,
respectively, as wholly owned subsidiaries of BBI. Each of the Merger
Subsidiaries has been formed solely to facilitate the Mergers and shall conduct
no business or activity other than in connection with the Mergers. BBI shall,
and IVAX and Bergen shall each cause BBI to, execute formal written consents
under Section 607.0704 of the FBCA and Section 14A:5-6 of the NJBCA,
respectively, as the sole shareholder of each of the Merger Subsidiaries,
approving the execution, delivery and performance of this Agreement by each of
the Merger Subsidiaries.

                  SECTION 1.02. The Mergers. (a) Upon the terms and subject to
the conditions set forth in this Agreement, and in accordance with the FBCA, at
the Effective Time, IVAX Merger Sub shall be merged with and into IVAX (the
"IVAX Merger"). As a result of the IVAX Merger, the separate corporate existence
of IVAX Merger Sub shall cease and IVAX shall continue as the surviving
corporation of the IVAX Merger as a wholly owned subsidiary of BBI (the "IVAX
Surviving Corporation").

                  (b) Upon the terms and subject to the conditions set forth in
this Agreement, and in accordance with the NJBCA, at the Effective Time, Bergen
Merger Sub shall be merged with and into Bergen (the "Bergen Merger" and,
together, with the IVAX Merger, the "Mergers"). As a result of the Bergen
Merger, the separate corporate existence of Bergen Merger Sub shall cease and
Bergen shall continue as the surviving corporation of the Bergen Merger as a
wholly owned subsidiary of BBI (the "Bergen Surviving Corporation"; either of
IVAX Surviving Corporation or Bergen Surviving Corporation being separately
referred to as a "Surviving Corporation" and collectively referred to as the
"Surviving Corporations").

                  SECTION 1.03. Closing. Unless this Agreement shall have been
terminated and the Mergers herein contemplated shall have been abandoned
pursuant to Section 8.01 and



<PAGE>


                                        4

subject to the satisfaction or waiver of the conditions set forth in Article
VII, the consummation of the Reorganization shall take place as promptly as
practicable (and in any event within three business days) after satisfaction or
waiver of the conditions set forth in Article VII, at a closing (the "Closing")
to be held at the offices of Shearman & Sterling, 599 Lexington Avenue, New
York, New York, unless another date, time or place is agreed to by IVAX and
Bergen.

                  SECTION 1.04. Effective Time. At the time of the Closing, the
parties shall cause the Mergers to be consummated concurrently, (a) in the case
of the IVAX Merger, by filing articles of merger (the "IVAX Articles of Merger")
with the Florida Department of State in such form as required by, and executed
in accordance with the relevant provisions of, the FBCA and (b) in the case of
the Bergen Merger, by filing a certificate of merger (the "Bergen Certificate of
Merger") with the Secretary of State of the State of New Jersey in such form as
required by, and executed in accordance with the relevant provisions of, the
NJBCA (the date and time of such filing, or such later date or time as set forth
therein, being the "Effective Time").

                  SECTION 1.05. Effect of the Mergers. At the Effective Time,
the effect of the IVAX Merger shall be as provided in the applicable provisions
of the FBCA and the effect of the Bergen Merger shall be as provided in the
applicable provisions of the NJBCA. Without limiting the generality of the
foregoing, and subject thereto, at the Effective Time, except as otherwise
provided herein, (a) all the property, rights, privileges, powers and franchises
of IVAX and IVAX Merger Sub shall vest in IVAX as the IVAX Surviving
Corporation, and all debts, liabilities and duties of IVAX and IVAX Merger Sub
shall become the debts, liabilities and duties of IVAX as the IVAX Surviving
Corporation and (b) all the property, rights, privileges, powers and franchises
of Bergen and Bergen Merger Sub shall vest in Bergen as the Bergen Surviving
Corporation, and all debts, liabilities and duties of Bergen and Bergen Merger
Sub shall become the debts, liabilities and duties of Bergen as the Bergen
Surviving Corporation. As of the Effective Time, each of the Surviving
Corporations shall be a direct wholly owned subsidiary of BBI.

                  SECTION 1.06. Articles of Incorporation; Certificate of
Incorporation; Bylaws; Directors and Officers of Surviving Corporation. Unless
otherwise agreed by IVAX and Bergen before the Effective Time, at the Effective
Time:

                  (a) the Articles of Incorporation and the Bylaws of IVAX as
         the IVAX Surviving Corporation shall be the Articles of Incorporation
         and the Bylaws of IVAX Merger Sub, as in effect immediately prior to
         the Effective Time, until thereafter amended as provided by Law and
         such Articles of Incorporation or Bylaws;

                  (b) the Certificate of Incorporation and the Bylaws of Bergen
         as the Bergen Surviving Corporation shall be the Certificate of
         Incorporation and the Bylaws of



<PAGE>


                                        5

         Bergen Merger Sub, as in effect immediately prior to the Effective
         Time, until thereafter amended as provided by Law and such Certificate
         of Incorporation or Bylaws;

                  (c) the officers of each of IVAX and Bergen immediately prior
         to the Effective Time shall continue to serve in their respective
         offices of their respective Surviving Corporations from and after the
         Effective Time, in each case until their successors are elected or
         appointed and qualified or until their resignation or removal. If, at
         the Effective Time, a vacancy shall exist in any office of either of
         the Surviving Corporations, such vacancy may thereafter be filled in
         the manner provided by Law and the Articles or Certificate of
         Incorporation and Bylaws of such Surviving Corporation; and

                  (d) the directors of each of IVAX Merger Sub and Bergen Merger
         Sub immediately prior to the Effective Time shall continue to serve as
         the directors of their respective Surviving Corporations from and after
         the Effective Time, in each case until their successors are elected or
         appointed and qualified or until their resignation or removal. If, at
         the Effective Time, a vacancy shall exist on the Board of Directors of
         either of the Surviving Corporations, such vacancy may thereafter be
         filled in the manner provided by Law and the Articles or Certificate of
         Incorporation and Bylaws of such Surviving Corporation.

                  SECTION 1.07. Restated Certificate of Incorporation and
Restated Bylaws of BBI. Immediately prior to the Effective Time, BBI, IVAX and
Bergen shall cause the Certificate of Incorporation and Bylaws of BBI to be
amended and restated to read substantially in the form attached hereto as
Exhibits 1.07(a) and (b), respectively. The Restated Certificate of
Incorporation of BBI shall provide, among other things, that the name of BBI
shall be "BBI Healthcare Corporation".


                                   ARTICLE II

               CONVERSION OF SECURITIES; EXCHANGE OF CERTIFICATES

                  SECTION 2.01. Conversion of Securities. The manner and basis
of converting the securities of IVAX and Bergen and each of IVAX Merger Sub and
Bergen Merger Sub, respectively, at the Effective Time, by virtue of the
Mergers, shall be as hereinafter set forth in this Article II.

                  SECTION 2.02. Conversion of Shares. (a) Each share of IVAX
Common Stock issued and outstanding immediately before the Effective Time
(excluding those owned by Bergen or any wholly owned subsidiary of IVAX or
Bergen) and all rights in respect



<PAGE>


                                        6

thereof, shall, at the Effective Time, without any action on the part of any
holder thereof, forthwith cease to exist and be converted into and become
exchangeable for 0.4200 shares of common stock, par value $0.01 per share, of
BBI ("BBI Common Stock"; such ratio of shares of IVAX Common Stock to shares of
BBI Common Stock being referred to as the "IVAX Exchange Ratio").

                  (b) Each share of Bergen Common Stock issued and outstanding
immediately before the Effective Time (excluding those held in the treasury of
Bergen and those owned by IVAX or any wholly owned subsidiary of IVAX or Bergen)
and all rights in respect thereof, shall, at the Effective Time, without any
action on the part of any holder thereof, forthwith cease to exist and be
converted into and become exchangeable for 1.0000 share of BBI Common Stock
(such ratio of shares of Bergen Common Stock to shares of BBI Common Stock being
referred to as the "Bergen Exchange Ratio" and, together with the IVAX Exchange
Ratio, the "Exchange Ratios").

                  (c) Commencing immediately after the Effective Time, each
certificate which, immediately prior to the Effective Time, represented issued
and outstanding shares of IVAX Common Stock ("IVAX Shares") or Bergen Common
Stock ("Bergen Shares" and, together with IVAX Shares, the "Shares"), shall
evidence ownership of BBI Common Stock on the basis hereinbefore set forth, but
subject to the limitations set forth in Sections 2.03, 2.05, 2.07, 2.08, 2.09
and 2.10 hereof.

                  (d) For all purposes of this Agreement, unless otherwise
specified, all shares held by employee benefit plans of IVAX or Bergen (i) shall
be deemed to be issued and outstanding, (ii) shall not be deemed to be held in
the treasury of IVAX or Bergen, respectively, and (iii) shall be converted into
shares of BBI Common Stock in accordance with the IVAX Exchange Ratio or the
Bergen Exchange Ratio, respectively.

                  SECTION 2.03. Cancellation of Treasury Shares and of
Outstanding BBI Common Stock. (a) At the Effective Time, each share of IVAX
Common Stock owned by Bergen or any wholly owned subsidiary of IVAX or Bergen
immediately prior to the Effective Time, and each share of Bergen Common Stock
held in the treasury of Bergen or owned by IVAX or any wholly owned subsidiary
of IVAX or Bergen immediately prior to the Effective Time, shall be canceled and
retired and no shares of stock or other securities of BBI or either of the
Surviving Corporations or any other corporation shall be issuable, and no
payment or other consideration shall be made, with respect thereto.

                  (b) At the Effective Time, the shares of BBI Common Stock held
by IVAX and Bergen shall be canceled and retired and no shares of stock or other
securities of BBI or either of the Surviving Corporations or any other
corporation shall be issuable, and no payment or other consideration shall be
made, with respect thereto.




<PAGE>


                                        7

                  SECTION 2.04. Conversion of Common Stock of IVAX Merger Sub
and Bergen Merger Sub into Common Stock of the Surviving Corporations. (a) At
the Effective Time, each share of common stock, par value $0.01 per share, of
IVAX Merger Sub issued and outstanding immediately prior to the Effective Time,
and all rights in respect thereof, shall, without any action on the part of BBI,
forthwith cease to exist and be converted into one validly issued, fully paid
and nonassessable share of common stock, par value $0.01 per share, of IVAX
Surviving Corporation (the "New IVAX Common Stock"). Immediately after the
Effective Time and upon surrender by BBI of the certificate representing the
shares of the common stock of IVAX Merger Sub, IVAX Surviving Corporation shall
deliver to BBI an appropriate certificate or certificates representing the New
IVAX Common Stock created by conversion of the common stock of IVAX Merger Sub
owned by BBI.

                  (b) At the Effective Time, each share of common stock, par
value $0.01 per share, of Bergen Merger Sub issued and outstanding immediately
prior to the Effective Time, and all rights in respect thereof, shall, without
any action on the part of BBI, forthwith cease to exist and be converted into
one validly issued, fully paid and nonassessable share of common stock, par
value $0.01 per share, of Bergen Surviving Corporation (the "New Bergen Common
Stock"). Immediately after the Effective Time and upon surrender by BBI of the
certificate representing the shares of the common stock of Bergen Merger Sub,
Bergen Surviving Corporation shall deliver to BBI an appropriate certificate or
certificates representing the New Bergen Common Stock created by conversion of
the common stock of Bergen Merger Sub owned by BBI.

                  SECTION 2.05. Exchange of Shares Other than Treasury Shares.
Subject to the terms and conditions hereof, at or prior to the Effective Time,
BBI shall appoint an exchange agent to effect the exchange of Shares for BBI
Common Stock in accordance with the provisions of this Article II (the "Exchange
Agent"). From time to time after the Effective Time, BBI shall deposit, or cause
to be deposited, certificates representing BBI Common Stock for conversion of
Shares in accordance with the provisions of Section 2.02 hereof (such
certificates, together with any dividends or distributions with respect thereto,
being herein referred to as the "Exchange Fund"). Commencing immediately after
the Effective Time and until the appointment of the Exchange Agent shall be
terminated, each holder of a certificate or certificates theretofore
representing Shares may surrender the same to the Exchange Agent, and, after the
appointment of the Exchange Agent shall be terminated, any such holder may
surrender any such certificate to BBI. Such holder shall be entitled upon such
surrender to receive in exchange therefor a certificate or certificates
representing the number of full shares of BBI Common Stock into which the Shares
theretofore represented by the certificate or certificates so surrendered shall
have been converted in accordance with the provisions of Section 2.02 hereof,
together with a cash payment in lieu of fractional shares, if any, in accordance
with Section 2.07 hereof, and all such shares of BBI Common Stock shall be
deemed to have been issued at the Effective Time. Until so surrendered and
exchanged, each outstanding certificate which, prior to the



<PAGE>


                                        8

Effective Time, represented issued and outstanding Shares shall be deemed for
all corporate purposes of BBI, other than the payment of dividends and other
distributions, if any, to evidence ownership of the number of full shares of BBI
Common Stock into which the Shares theretofore represented thereby shall have
been converted at the Effective Time. Unless and until any such certificate
theretofore representing Shares is so surrendered, no dividend or other
distribution, if any, payable to the holders of record of BBI Common Stock as of
any date subsequent to the Effective Time shall be paid to the holder of such
certificate in respect thereof. Upon the surrender of any such certificate
theretofore representing Shares, however, the record holder of the certificate
or certificates representing shares of BBI Common Stock issued in exchange
therefor shall receive from the Exchange Agent or from BBI, as the case may be,
payment of the amount of dividends and other distributions, if any, which as of
any date subsequent to the Effective Time and until such surrender shall have
become payable with respect to such number of shares of BBI Common Stock
("Presurrender Dividends"). No interest shall be payable with respect to the
payment of Presurrender Dividends upon the surrender of certificates theretofore
representing Shares. After the appointment of the Exchange Agent shall have been
terminated, such holders of BBI Common Stock which have not received payment of
Presurrender Dividends shall look only to BBI for payment thereof.
Notwithstanding the foregoing provisions of this Section 2.05, risk of loss and
title to such certificates representing Shares shall pass only upon proper
delivery of such certificates to the Exchange Agent, and neither the Exchange
Agent nor any party hereto shall be liable to a holder of Shares for any BBI
Common Stock or dividends or distributions thereon delivered to a public
official pursuant to any applicable abandoned property, escheat or similar law
or to a transferee pursuant to Section 2.06 hereof.

                  SECTION 2.06. Stock Transfer Books. (a) At the Effective Time,
the stock transfer books of IVAX with respect to IVAX Shares and the stock
transfer books of Bergen with respect to Bergen Shares shall each be closed, and
there shall be no further registration of transfers of Shares thereafter on the
records of any such stock transfer books. In the event of a transfer of
ownership of Shares that is not registered in the stock transfer records of IVAX
or Bergen, as the case may be, at the Effective Time, a certificate or
certificates representing the number of full shares of BBI Common Stock into
which such Shares shall have been converted shall be issued to the transferee
together with a cash payment in lieu of fractional shares, if any, in accordance
with Section 2.07 hereof, and a cash payment in the amount of Presurrender
Dividends, if any, in accordance with Section 2.05 hereof, if the certificate or
certificates representing such Shares is or are surrendered as provided in
Section 2.05 hereof, accompanied by all documents required to evidence and
effect such transfer and by evidence of payment of any applicable stock transfer
tax.

                  (b) Notwithstanding anything to the contrary herein,
certificates surrendered for exchange by any person constituting a Pooling
Affiliate of either or both of IVAX or Bergen shall not be exchanged until BBI
shall have received from such person an affiliate letter as provided in Section
6.05(a).



<PAGE>


                                        9


                  SECTION 2.07. No Fractional Share Certificates. (a) No scrip
or fractional share certificate for BBI Common Stock shall be issued upon the
surrender for exchange of certificates evidencing Shares, and an outstanding
fractional share interest shall not entitle the owner thereof to vote, to
receive dividends or to any rights of a shareholder of BBI or of either of the
Surviving Corporations with respect to such fractional share interest.

                  (b) As promptly as practicable following the Effective Time,
the Exchange Agent shall determine the excess of (i) the number of full shares
of BBI Common Stock to be issued and delivered to the Exchange Agent pursuant to
Section 2.05 hereof over (ii) the aggregate number of full shares of BBI Common
Stock to be distributed to holders of IVAX Common Stock and Bergen Common Stock
pursuant to Section 2.05 hereof (such excess being herein called the "Excess
Shares"). Following the Effective Time, the Exchange Agent, as agent for the
holders of IVAX Common Stock and Bergen Common Stock, shall sell the Excess
Shares at then prevailing prices on the New York Stock Exchange, Inc. (the
"NYSE"), all in the manner provided in subsection (c) of this Section 2.07.

                  (c) The sale of the Excess Shares by the Exchange Agent shall
be executed on the NYSE through one or more member firms of such exchange and
shall be executed in round lots to the extent practicable. The Exchange Agent
shall use all reasonable efforts to complete the sale of the Excess Shares as
promptly following the Effective Time as, in the Exchange Agent's reasonable
judgment, is practicable consistent with obtaining the best execution of such
sales in light of prevailing market conditions. Until the net proceeds of such
sale or sales have been distributed to the holders of each of IVAX Common Stock
and Bergen Common Stock, the Exchange Agent shall hold such proceeds in trust
for the holders of IVAX Common Stock (the "IVAX Common Shares Trust") and Bergen
Common Stock (the "Bergen Common Shares Trust"). BBI shall pay all commissions,
transfer taxes and other out-of-pocket transaction costs, including the expenses
and compensation of the Exchange Agent, incurred in connection with such sale of
Excess Shares. The Exchange Agent shall determine the portion of the IVAX Common
Shares Trust or the Bergen Common Shares Trust, as the case may be, to which
each holder of IVAX Common Stock or Bergen Common Stock shall be entitled, if
any, by multiplying the amount of the aggregate net proceeds comprising the IVAX
Common Shares Trust or the Bergen Common Shares Trust, respectively, by a
fraction the numerator of which is the amount of fractional share interests to
which such holder of IVAX Common Stock or Bergen Common Stock, as the case may
be, is entitled (after taking into account all shares of IVAX Common Stock or
Bergen Common Stock, respectively, held at the Effective Time by such holder)
and the denominator of which is the aggregate amount of fractional share
interests to which all holders of IVAX Common Stock or Bergen Common Stock,
respectively, are entitled.

                  (d) Notwithstanding the provisions of subsections (b) and (c)
of this Section 2.07, IVAX and Bergen may agree at their option, exercised prior
to the Effective Time, in lieu of the issuance and sale of Excess Shares and the
making of the payments contemplated



<PAGE>


                                       10

in such subsections, to cause BBI to pay to the Exchange Agent an amount in cash
sufficient for the Exchange Agent to pay each holder of IVAX Common Stock and/or
Bergen Common Stock an amount in cash equal to the product obtained by
multiplying (i) the fractional share interest to which such holder would
otherwise be entitled (after taking into account all shares of IVAX Common Stock
and/or Bergen Common Stock, as the case may be, held at the Effective Time by
such holder) by (ii) the closing price for a share of BBI Common Stock on the
NYSE Composite Transaction Tape on the first business day immediately following
the Effective Time, and, in such case, all references herein to the cash
proceeds of the sale of the Excess Shares and similar references shall be deemed
to mean and refer to the payments calculated as set forth in this subsection
(d). In such event, Excess Shares shall not be issued or otherwise transferred
to the Exchange Agent pursuant to Section 2.05 hereof.

                  (e) As soon as practicable after the determination of the
amount of cash, if any, to be paid to holders of IVAX Common Stock or Bergen
Common Stock with respect to any fractional share interests, the Exchange Agent
shall make available such amounts, net of any required withholding, to such
holders of IVAX Common Stock or Bergen Common Stock, subject to and in
accordance with the terms of Section 2.05 hereof.

                  (f) Any portion of the Exchange Fund, the IVAX Common Shares
Trust or the Bergen Common Shares Trust which remains undistributed for six
months after the Effective Time shall be delivered to BBI, and any holder of
IVAX Common Stock or Bergen Common Stock who has not theretofore complied with
the provisions of this Article II shall thereafter look only to BBI for
satisfaction of their claims for BBI Common Stock or any cash in lieu of
fractional shares of BBI Common Stock and any Presurrender Dividends.

                  SECTION 2.08. Options to Purchase Each of IVAX Common Stock
and Bergen Common Stock. At the Effective Time, each option or warrant granted
by IVAX to purchase shares of IVAX Common Stock ("IVAX Stock Options"), or by
Bergen to purchase shares of Bergen Common Stock ("Bergen Stock Options"), which
is outstanding and unexercised immediately prior to the Effective Time, shall be
assumed by BBI and converted into an option or warrant to purchase shares of BBI
Common Stock in such number and at such exercise price as provided below and
otherwise having the same terms and conditions as in effect immediately prior to
the Effective Time (except to the extent that such terms, conditions and
restrictions may be altered in accordance with their terms as a result of the
Mergers contemplated hereby):

                  (a) the number of shares of BBI Common Stock to be subject to
         the new option or warrant shall be equal to the product of (x) the
         number of shares of IVAX Common Stock or Bergen Common Stock subject to
         the original option or warrant and (y) the IVAX Exchange Ratio (if the
         original option related to IVAX Common Stock) or the Bergen Exchange
         Ratio (if the original option related to Bergen Common Stock), as
         appropriate;



<PAGE>


                                       11


                  (b) the exercise price per share of BBI Common Stock under the
         new option or warrant shall be equal to (x) the exercise price per
         share of the IVAX Common Stock or Bergen Common Stock under the
         original option or warrant divided by (y) the IVAX Exchange Ratio (if
         the original option related to IVAX Common Stock) or the Bergen
         Exchange Ratio (if the original option related to Bergen Common Stock),
         as appropriate; and

                  (c) upon each exercise of options or warrants by a holder
         thereof, the aggregate number of shares of BBI Common Stock deliverable
         upon such exercise shall be rounded down, if necessary, to the nearest
         whole share and the aggregate exercise price shall be rounded up, if
         necessary, to the nearest cent.

The adjustments provided herein with respect to any options which are "incentive
stock options" (as defined in Section 422 of the Code) shall be effected in a
manner consistent with the requirements of Section 424(a) of the Code.

                  SECTION 2.09. Restricted Stock. At the Effective Time, any
restricted shares of IVAX Common Stock or Bergen Common Stock awarded pursuant
to any plan, arrangement or transaction and outstanding immediately prior to the
Effective Time shall be assumed by BBI and converted into restricted shares of
BBI Common Stock in accordance with Section 2.02 hereof, subject to the same
terms, conditions and restrictions as in effect immediately prior to the
Effective Time, except to the extent that such terms, conditions and
restrictions may be altered in accordance with their terms as a result of the
Mergers contemplated hereby.

                  SECTION 2.10. Certain Adjustments. If between the date of this
Agreement and the Effective Time, the outstanding shares of IVAX Common Stock or
Bergen Common Stock shall be changed into a different number of shares by reason
of any reclassification, recapitalization, split-up, combination or exchange of
shares, or any dividend payable in stock or other securities shall be declared
thereon with a record date within such period, the exchange ratio established
pursuant to the provisions of Section 2.02 hereof shall be adjusted accordingly
to provide to the holders of IVAX Common Stock and Bergen Common Stock the same
economic effect as contemplated by this Agreement prior to such
reclassification, recapitalization, split-up, combination, exchange or dividend.





<PAGE>


                                       12

                                   ARTICLE III

                     REPRESENTATIONS AND WARRANTIES OF IVAX

                  IVAX hereby represents and warrants to Bergen that:

                  SECTION 3.01. Organization and Qualification; Subsidiaries.
Each of IVAX and each subsidiary of IVAX (the "IVAX Subsidiaries") has been duly
organized and is validly existing and in good standing (to the extent
applicable) under the laws of the jurisdiction of its incorporation or
organization, as the case may be, and has the requisite corporate power and
authority and all necessary governmental approvals to own, lease and operate its
properties and to carry on its business as it is now being conducted, except
where the failure to be so organized, existing or in good standing or to have
such power, authority and governmental approvals would not, individually or in
the aggregate, have an IVAX Material Adverse Effect. Each of IVAX and each IVAX
Subsidiary is duly qualified or licensed to do business, and is in good standing
(to the extent applicable), in each jurisdiction where the character of the
properties owned, leased or operated by it or the nature of its business makes
such qualification or licensing necessary, except for such failures to be so
qualified or licensed and in good standing that would not, individually or in
the aggregate, have an IVAX Material Adverse Effect.

                  SECTION 3.02. Articles of Incorporation and Bylaws. The copies
of IVAX's Articles of Incorporation and Bylaws that are incorporated by
reference as exhibits to IVAX's Form 10-K for the period ending December 31,
1995 (the "IVAX 1995 10-K") are complete and correct copies thereof. Such
Articles of Incorporation and Bylaws are in full force and effect. IVAX is not
in violation of any of the provisions of its Articles of Incorporation or
By-laws.

                  SECTION 3.03. Capitalization. The authorized capital stock of
IVAX consists of 250,000,000 shares of IVAX Common Stock. As of September 30,
1996, (i) 121,467,592 shares of IVAX Common Stock were issued and outstanding,
all of which were validly issued, fully paid and nonassessable, (ii) no shares
of IVAX Common Stock were held in the treasury of IVAX or by the IVAX
Subsidiaries, (iii) 2,945,669 shares of IVAX Common Stock were reserved for
future issuance pursuant to the terms of IVAX's 6 1/2% Convertible Subordinated
Notes due November 15, 2001 (the "IVAX Subordinated Notes"), (iv) 10,724,175
shares of IVAX Common Stock were reserved for issuance pursuant to outstanding
IVAX Stock Options issued under the IVAX 1994 Stock Option Plan (the "IVAX 1994
Plan"), outstanding IVAX Stock Options granted under the IVAX 1985 Stock Option
Plan (the "IVAX 1985 Plan"), outstanding IVAX Stock Options granted under the
Zenith 1992 Employee Stock Option Plan (the "Zenith 1992 Plan"), outstanding
IVAX Stock Options granted under the Zenith 1990 Directors' Stock Option Plan
(the "Zenith Directors' Plan"), and outstanding IVAX Stock Options granted under
the



<PAGE>


                                       13

McGaw 1991 Stock Option Plan (the "McGaw 1991 Plan"), (v) 196,649 shares of IVAX
Common Stock were reserved for issuance under the IVAX Employee Savings Plan
(the "IVAX Savings Plan") and the IVAX Employee Savings Plan (Puerto Rico) (the
"IVAX Savings Plan (Puerto Rico)" and, together with the IVAX 1994 Plan, the
IVAX 1985 Plan, the Zenith 1992 Plan, the Zenith Directors' Plan, the McGaw 1991
Plan, and the IVAX Savings Plan, the "IVAX Stock Plans") and (vi) 30,177,342
shares of IVAX Common Stock were reserved for future issuance under the IVAX
Stock Option Agreement. Except for the IVAX Stock Options granted pursuant to
the IVAX Stock Plans and the IVAX Stock Option Agreement and shares of IVAX
Common Stock issuable pursuant to the IVAX Stock Plans, and upon the conversion
of the IVAX Subordinated Notes or pursuant to agreements or arrangements
described in Section 3.03 of the Disclosure Schedule delivered by IVAX to Bergen
prior to the execution of (and forming part of) this Agreement (the "IVAX
Disclosure Schedule"), there are no options, warrants or other rights,
agreements, arrangements or commitments of any character to which IVAX is a
party or by which IVAX is bound relating to the issued or unissued capital stock
of IVAX or any IVAX Subsidiary or obligating IVAX or any IVAX Subsidiary to
issue or sell any shares of capital stock of, or other equity interests in, IVAX
or any IVAX Subsidiary. Between September 30, 1996 and the date of this
Agreement, an aggregate of 264,250 IVAX Stock Options have been granted and no
awards have been made under the IVAX Stock Plans. All shares of IVAX Common
Stock subject to issuance as aforesaid, upon issuance prior to the Effective
Time on the terms and conditions specified in the instruments pursuant to which
they are issuable, will be duly authorized, validly issued, fully paid and
nonassessable. Except as set forth in Section 3.03 of the IVAX Disclosure
Schedule, there are no outstanding contractual obligations of IVAX or any IVAX
Subsidiary to repurchase, redeem or otherwise acquire any shares of IVAX Common
Stock or any capital stock of any IVAX Subsidiary. Except as disclosed in
Section 3.03 of the IVAX Disclosure Schedule, each outstanding share of capital
stock of each IVAX Subsidiary is duly authorized, validly issued, fully paid and
nonassessable and each such share owned by IVAX or another IVAX Subsidiary is
free and clear of all security interests, liens, claims, pledges, options,
rights of first refusal, agreements, limitations on IVAX's or such other IVAX
Subsidiary's voting rights, charges and other encumbrances of any nature
whatsoever, except where the failure to own such shares free and clear would
not, individually or in the aggregate, have an IVAX Material Adverse Effect.
Except as set forth in Section 3.03 of the IVAX Disclosure Schedule, there are
no material outstanding contractual obligations of IVAX or any IVAX Subsidiary
to provide funds to, or make any material investment (in the form of a loan,
capital contribution or otherwise) in, any IVAX Subsidiary or any other person.

                  SECTION 3.04. Authority Relative to this Agreement and the
IVAX Stock Option Agreement. IVAX has all necessary corporate power and
authority to execute and deliver this Agreement and the IVAX Stock Option
Agreement, to perform its obligations hereunder and thereunder and to consummate
the IVAX Merger. The execution and delivery of this Agreement and the IVAX Stock
Option Agreement by IVAX and the consummation



<PAGE>



                                       14

by IVAX of the Mergers contemplated hereby and thereby have been duly and
validly authorized by all necessary corporate action, and no other corporate
proceedings on the part of IVAX are necessary to authorize this Agreement or the
IVAX Stock Option Agreement or to consummate such Mergers (other than the
approval of this Agreement and the Mergers contemplated hereby by the holders of
a majority of the outstanding shares of IVAX Common Stock entitled to vote with
respect thereto at the IVAX Shareholders' Meeting and the filing and recordation
of the Articles of Merger as required by the FBCA). The IVAX Voting Agreement
and the IVAX Stock Option Agreement are not required to be adopted by the Board
of Directors of IVAX for purposes of Section 607.0902 of the FBCA or any other
Law of similar effect applicable to IVAX. This Agreement and the IVAX Stock
Option Agreement have been duly executed and delivered by IVAX and, assuming the
due authorization, execution and delivery by the other parties hereto and
thereto, constitute legal, valid and binding obligations of IVAX, enforceable
against IVAX in accordance with their terms.

                  SECTION 3.05. No Conflict; Required Filings and Consents. (a)
The execution and delivery of this Agreement and the IVAX Stock Option Agreement
by IVAX do not, and the performance by IVAX of its obligations hereunder and
thereunder and the consummation of the Mergers will not, (i) conflict with or
violate any provision of the Articles of Incorporation or Bylaws of IVAX or any
equivalent organizational documents of any IVAX Subsidiary, (ii) assuming that
all consents, approvals, authorizations and permits described in Section 3.05(b)
have been obtained and all filings and notifications described in Section
3.05(b) have been made, conflict with or violate any Law applicable to IVAX or
any IVAX Subsidiary or by which any property or asset of IVAX or any IVAX
Subsidiary is bound or affected or (iii) except as set forth in Section 3.05(a)
of the IVAX Disclosure Schedule, result in any breach of or constitute a default
(or an event which with the giving of notice or lapse of time or both would
become a default) under, or give to others any right of termination, amendment,
acceleration or cancellation of, or result in the creation of a lien or other
encumbrance on any property or asset of IVAX or any IVAX Subsidiary pursuant to,
any note, bond, mortgage, indenture, contract, agreement, lease, license,
permit, franchise or other instrument or obligation, except, with respect to
clauses (ii) and (iii), for any such conflicts, violations, breaches, defaults
or other occurrences which would neither, individually or in the aggregate, (A)
have an IVAX Material Adverse Effect nor (B) prevent or materially delay the
performance by IVAX of its obligations pursuant to this Agreement, the IVAX
Stock Option Agreement or the consummation of the Mergers.

                  (b) The execution and delivery of this Agreement and the IVAX
Stock Option Agreement by IVAX do not, and the performance by IVAX of its
obligations hereunder and thereunder or the consummation of the Mergers will
not, require any consent, approval, authorization or permit of, or filing by
IVAX with or notification by IVAX to, any United States federal, state or local
or any foreign governmental, regulatory or administrative authority, agency or
commission or any court, tribunal or arbitral body (a "Governmental



<PAGE>


                                       15

Entity"), except (i) applicable requirements of the Securities Exchange Act of
1934, as amended (together with the rules and regulations promulgated
thereunder, the "Exchange Act"), the Securities Act of 1933, as amended
(together with the rules and regulations promulgated thereunder, the "Securities
Act"), state securities or "blue sky" laws ("Blue Sky Laws"), the rules and
regulations of the American Stock Exchange ("AMEX"), state takeover laws, the
premerger notification requirements of the Hart-Scott-Rodino Antitrust
Improvements Act of 1976, as amended, and the rules and regulations thereunder
(the "HSR Act"), the filing and recordation of the IVAX Articles of Merger as
required by the FBCA, and as set forth in Section 3.05(b) of the IVAX Disclosure
Schedule, and (ii) where failure to obtain such consents, approvals,
authorizations or permits, or to make such filings or notifications, would not
(A) prevent or materially delay the performance by IVAX of its obligations
pursuant to this Agreement or the IVAX Stock Option Agreement and the
consummation of the Mergers or (B) individually or in the aggregate have an IVAX
Material Adverse Effect.

                  SECTION 3.06. Permits; Compliance with Laws. (a) Each of IVAX
and the IVAX Subsidiaries is in possession of all franchises, grants,
authorizations, licenses, establishment registrations, product listings,
permits, easements, variances, exceptions, consents, certificates, approvals and
orders of any Governmental Entity, including, without limitation, the United
States Food and Drug Administration (the "FDA"), United States Drug Enforcement
Administration (the "DEA"), and similar authorities in other jurisdictions,
necessary for IVAX or any IVAX Subsidiary to own, lease and operate its
properties or to produce, store, distribute and market its products or otherwise
to carry on its business as it is now being conducted (the "IVAX Permits"),
except where the failure to have, or the suspension or cancellation of, any of
the IVAX Permits would not, individually or in the aggregate, have an IVAX
Material Adverse Effect, and, as of the date of this Agreement, no suspension or
cancellation of any of the IVAX Permits is pending or, to the knowledge of IVAX,
threatened, except where the failure to have, or the suspension or cancellation
of, any of the IVAX Permits would not, individually or in the aggregate, have an
IVAX Material Adverse Effect. Neither IVAX nor any IVAX Subsidiary is in
conflict with, or in default or violation of, (i) any Law applicable to IVAX or
any IVAX Subsidiary or by which any property or asset of IVAX or any IVAX
Subsidiary is bound or affected or (ii) any IVAX Permits, except in the case of
clauses (i) and (ii) for any such conflicts, defaults or violations that would
not, individually or in the aggregate, have an IVAX Material Adverse Effect. As
used in this Agreement, "Law" means any federal, state or local statute, law,
ordinance, regulation, rule, code, order, other requirement or rule of law of
the United States or any other jurisdiction, including, without limitation, the
Federal Food, Drug, and Cosmetic Act (the "FDCA"), the Controlled Substances
Act, and any other similar act or law.

                  (b) Except as disclosed in the IVAX Reports or in Section
3.06(b) of the IVAX Disclosure Schedule or as would not, individually or in the
aggregate, have an IVAX Material Adverse Effect:



<PAGE>


                                       16


                  (i) all manufacturing operations of IVAX and the IVAX
         Subsidiaries are being conducted in substantial compliance with
         applicable good manufacturing practices;

                  (ii) all necessary clearances or approvals from governmental
         agencies for all drug and device products which are manufactured or, to
         the knowledge of IVAX, sold by IVAX and the IVAX Subsidiaries have been
         obtained, and IVAX and the IVAX Subsidiaries are in substantial
         compliance with the most current form of each applicable clearance or
         approval with respect to the manufacture, storage, distribution,
         promotion and sale by IVAX and the IVAX Subsidiaries of such products;

                  (iii) to the knowledge of IVAX, all of the clinical studies
         which have been, or are being, conducted by or for IVAX and the IVAX
         Subsidiaries are being conducted in substantial compliance with
         generally accepted good clinical practices and all applicable
         government regulatory requirements;

                  (iv) as of the date of this Agreement, neither IVAX nor any of
         the IVAX Subsidiaries has received written notice of any petition or
         other attempt by a brand name drug company to have the therapeutic
         equivalence rating of an IVAX or IVAX Subsidiary product withheld or
         altered;

                  (v) none of IVAX, the IVAX Subsidiaries or any of their
         respective officers, employees or agents (during the term of such
         person's employment by IVAX or an IVAX Subsidiary or while acting as an
         agent of IVAX or an IVAX Subsidiary, or, to IVAX's actual knowledge,
         prior to such employment) has made any untrue statement of a material
         fact or fraudulent statement to the FDA or any similar governmental
         agency, failed to disclose a material fact required to be disclosed to
         the FDA or similar governmental agency, or committed an act, made a
         statement or failed to make a statement that could reasonably be
         expected to provide a basis for the FDA or similar governmental agency
         to invoke its policy respecting "Fraud, Untrue Statements of Material
         Facts, Bribery, and Illegal Gratuities" or similar governmental policy,
         rule, regulation or law;

                  (vi) neither IVAX nor any of the IVAX Subsidiaries has
         received any written notice that the FDA or any similar governmental
         agency has commenced, or threatened to initiate, any action to withdraw
         its approval or request the recall of any product of IVAX or any of the
         IVAX Subsidiaries, or commenced, or overtly threatened to initiate, any
         action to enjoin production at any facility of IVAX or any of the IVAX
         Subsidiaries;

                  (vii) as to each article of drug, device, cosmetic or vitamin
         manufactured and/or, to the knowledge of IVAX, distributed by IVAX or
         any of the IVAX



<PAGE>


                                       17

         Subsidiaries, such article is not adulterated or misbranded within the
         meaning of the FDCA or any similar governmental act or Law of any
         jurisdiction; and

                  (viii) none of IVAX, the IVAX Subsidiaries or any of their
         respective officers, employees or agents (during the term of such
         person's employment by IVAX or an IVAX Subsidiary or while acting as an
         agent of IVAX or an IVAX Subsidiary, or, to IVAX's knowledge, prior to
         such employment), subsidiaries or affiliates has been convicted of any
         crime or engaged in any conduct for which debarment or similar
         punishment is mandated or permitted by any applicable Law.

                  SECTION 3.07. SEC Filings; Financial Statements. (a) Except as
disclosed in Section 3.07 of the IVAX Disclosure Schedule, IVAX has timely filed
all forms, reports and documents required to be filed by it with the SEC and the
AMEX since January 1, 1994 through the date of this Agreement (collectively and
as amended, the "IVAX Reports"). Each IVAX Report (i) was prepared in accordance
with the requirements of the Securities Act, the Exchange Act or AMEX, as the
case may be, and (ii) did not at the time it was filed contain any untrue
statement of a material fact or omit to state a material fact required to be
stated therein or necessary in order to make the statements made therein, in the
light of the circumstances under which they were made, not misleading. No IVAX
Subsidiary is subject to the periodic reporting requirements of the Exchange Act
or required to file any form, report or other document with the SEC, AMEX, any
other stock exchange or any other comparable Governmental Entity.

                  (b) Each of the consolidated financial statements (including,
in each case, any notes thereto) contained in the IVAX Reports was prepared in
accordance with United States generally accepted accounting principles ("U.S.
GAAP") applied on a consistent basis throughout the periods indicated (except as
may be indicated in the notes thereto) and each presented fairly, in all
material respects, the consolidated financial position of IVAX and the
consolidated IVAX Subsidiaries as at the respective dates thereof and for the
respective periods indicated therein, except as otherwise noted therein
(subject, in the case of unaudited statements, to normal and recurring year-end
adjustments which were not and are not expected, individually or in the
aggregate, to have an IVAX Material Adverse Effect).

                  (c) Except as and to the extent set forth or reserved against
on the consolidated balance sheet of IVAX and its Subsidiaries as reported in
the IVAX Reports, including the notes thereto, none of IVAX or any IVAX
Subsidiary has any liabilities or obligations of any nature (whether accrued,
absolute, contingent or otherwise) that would be required to be reflected on a
balance sheet or in notes thereto prepared in accordance with U.S. GAAP, except
for liabilities or obligations incurred in the ordinary course of business since
January 1, 1996 that would not, individually or in the aggregate, have an IVAX
Material Adverse Effect.




<PAGE>


                                       18

                  SECTION 3.08. Absence of Certain Changes or Events. Since
January 1, 1996, except as contemplated by or as disclosed in this Agreement, as
set forth in Section 3.08 of the IVAX Disclosure Schedule or as disclosed in any
IVAX Report filed since January 1, 1996, IVAX and the IVAX Subsidiaries have
conducted their businesses only in the ordinary course and in a manner
consistent with past practice and, since such date, there has not been (i) any
IVAX Material Adverse Effect excluding any changes and effects resulting from
changes in economic, regulatory or political conditions or changes in conditions
generally applicable to the industries in which IVAX and the IVAX Subsidiaries
are involved, (ii) any event that could reasonably be expected to prevent or
materially delay the performance of its obligations pursuant to this Agreement
and the consummation of the Mergers by IVAX, (iii) any material change by IVAX
in its accounting methods, principles or practices, (iv) any declaration,
setting aside or payment of any dividend or distribution in respect of the
shares of IVAX Common Stock or any redemption, purchase or other acquisition of
any of IVAX's securities or (v) any increase in the compensation or benefits or
establishment of any bonus, insurance, severance, deferred compensation,
pension, retirement, profit sharing, stock option (including, without
limitation, the granting of stock options, stock appreciation rights,
performance awards or restricted stock awards), stock purchase or other employee
benefit plan, or any other increase in the compensation payable or to become
payable to any executive officers of IVAX or any IVAX Subsidiary except in the
ordinary course of business consistent with past practice.

                  SECTION 3.09. Employee Benefit Plans; Labor Matters. (a) With
respect to each employee benefit plan, program, arrangement and contract
(including, without limitation, any "employee benefit plan", as defined in
Section 3(3) of the Employee Retirement Income Security Act of 1974, as amended
("ERISA")) maintained or contributed to by IVAX or any IVAX Subsidiary, or with
respect to which IVAX or any IVAX Subsidiary could incur liability under Section
4069, 4212(c) or 4204 of ERISA (the "IVAX Benefit Plans"), IVAX has delivered or
made available to Bergen a true and correct copy of (i) such IVAX Benefit Plan
and the most recent summary plan description related to each IVAX Benefit Plan
for which a summary plan description is required, (ii) each trust agreement or
other funding arrangement relating to such IVAX Benefit Plan, (iii) the most
recent annual report (Form 5500) filed with the Internal Revenue Service (the
"IRS"), (iv) the most recent actuarial report or financial statement relating to
an IVAX Benefit Plan and (v) the most recent determination letter issued by the
IRS with respect to any IVAX Benefit Plan qualified under Section 401(a) of the
Code.

                  (b) Each IVAX Benefit Plan has been administered in all
material respects in accordance with its terms and all contributions required to
be made under the terms of any of the IVAX Benefit Plans as of the date of this
Agreement have been timely made or have been reflected on the most recent
consolidated balance sheet filed or incorporated by reference in the IVAX
Reports prior to the date of this Agreement. Except as set forth in Section
3.09(b) of the IVAX Disclosure Schedule, with respect to the IVAX Benefit Plans,



<PAGE>


                                       19


no event has occurred and, to the knowledge of IVAX, there exists no condition
or set of circumstances in connection with which IVAX or any IVAX Subsidiary
could be subject to any liability under the terms of such IVAX Benefit Plans,
ERISA, the Code or any other applicable Law which would individually or in the
aggregate have an IVAX Material Adverse Effect.

                   (c) Except as set forth in Section 3.09(c) of the IVAX
Disclosure Schedule or except as would not have an IVAX Material Adverse Effect,
with respect to each IVAX Benefit Plan that is not subject to United States Law
(an "IVAX Foreign Benefit Plan"):

                  (i) all employer and employee contributions to each IVAX
         Foreign Benefit Plan required by Law or by the terms of such IVAX
         Foreign Benefit Plan have been made or, if applicable, accrued in
         accordance with normal accounting practices;

                  (ii) the fair market value of the assets of each funded IVAX
         Foreign Benefit Plan, the liability of each insurer for any IVAX
         Foreign Benefit Plan funded through insurance or the book reserve
         established for any IVAX Foreign Benefit Plan, together with any
         accrued contributions, is sufficient to procure or provide for the
         accrued benefit obligations, as of the Effective Time, with respect to
         all current and former participants in such plan according to the
         actuarial assumptions and valuations most recently used to determine
         employer contributions to such IVAX Foreign Benefit Plan and no
         transaction contemplated by this Agreement shall cause such assets or
         insurance obligations to be less than such benefit obligations; and

                  (iii) each IVAX Foreign Benefit Plan required to be registered
         has been registered and has been maintained in good standing with the
         appropriate regulatory authorities.

                  (d) Except as set forth in Section 3.09(d) of the IVAX
Disclosure Schedule, neither IVAX nor any IVAX Subsidiary is a party to any
collective bargaining or other labor union contract applicable to persons
employed by IVAX or any IVAX Subsidiary and no collective bargaining agreement
is being negotiated by IVAX or any IVAX Subsidiary. As of the date of this
Agreement, there is no labor dispute, strike or work stoppage against IVAX or
any IVAX Subsidiary pending or, to the knowledge of IVAX, threatened which may
interfere with the respective business activities of IVAX or any IVAX
Subsidiary, except where such dispute, strike or work stoppage would not have an
IVAX Material Adverse Effect. As of the date of this Agreement, to the knowledge
of IVAX, none of IVAX, any IVAX Subsidiary, or any of their respective
representatives or employees has committed any unfair labor practice in
connection with the operation of the respective businesses of IVAX or any IVAX
Subsidiary, and there is no charge or complaint against IVAX or any IVAX
Subsidiary by the National Labor Relations Board or any comparable



<PAGE>


                                       20

governmental agency pending or threatened in writing, except where such unfair
labor practice, charge or complaint would not have an IVAX Material Adverse
Effect.

                  (e) IVAX has delivered to Bergen true and complete copies of
(i) all employment agreements with officers of IVAX and each IVAX Subsidiary
providing for annual compensation in excess of $250,000, (ii) all severance
plans, agreements, programs and policies of IVAX and each IVAX Subsidiary with
or relating to their respective employees, and (iii) all plans, programs,
agreements and other arrangements of IVAX and each IVAX Subsidiary with or
relating to their respective employees which contain "change of control"
provisions.

                  (f) Except as provided in Section 3.09(f) of the IVAX
Disclosure Schedule or as otherwise required by Law, no IVAX Benefit Plan
provides retiree medical or retiree life insurance benefits to any person.

                  SECTION 3.10. Accounting and Tax Matters. (a) Except as
disclosed in the IVAX Reports, neither IVAX nor, to the knowledge of IVAX, any
of its affiliates has taken or agreed to take any action (other than actions
contemplated by this Agreement) that would prevent the Mergers from qualifying
for "pooling of interests" accounting treatment under applicable United States
accounting rules, including, without limitation, applicable SEC accounting
standards, or would prevent the Mergers from constituting a transaction
qualifying under Section 368(a) of the Code. IVAX is not aware of any agreement,
plan or other circumstance that would prevent the Mergers from so qualifying
under Section 368(a) of the Code.

                  (b) The representations and warranties made in IVAX's letter
of compliance with pooling of interest criteria addressed to Arthur Andersen LLP
("Arthur Andersen") are true as of the date hereof.

                  SECTION 3.11. Contracts; Debt Instruments. Except as disclosed
in the IVAX Reports or in Section 3.11 of the IVAX Disclosure Schedule, there is
no contract or agreement that is material to the business, financial condition
or results of operations of IVAX and the IVAX Subsidiaries taken as a whole
(each, an "IVAX Material Contract"). Except as disclosed in the IVAX Reports or
in Section 3.11 of the IVAX Disclosure Schedule, neither IVAX nor any IVAX
Subsidiary is in violation of or in default under (nor does there exist any
condition which with the passage of time or the giving of notice would cause
such a violation of or default under) any loan or credit agreement, note, bond,
mortgage, indenture or lease, or any other contract, agreement, arrangement or
understanding to which it is a party or by which it or any of its properties or
assets is bound, except for violations or defaults that would not, individually
or in the aggregate, result in an IVAX Material Adverse Effect. Set forth in
Section 3.11 of the IVAX Disclosure Schedule is a description of any material
changes to the amount and terms of the indebtedness of



<PAGE>


                                       21

IVAX and its subsidiaries as described in the notes to the financial statements
incorporated in the IVAX 1995 10-K.

                  SECTION 3.12. Litigation. Except as disclosed in the IVAX
Reports or in Section 3.12 of the IVAX Disclosure Schedule, there is no suit,
claim, action, proceeding or investigation pending or, to the knowledge of IVAX,
threatened against IVAX or any IVAX Subsidiary before any Governmental Entity
that, individually or in the aggregate, is reasonably likely to have an IVAX
Material Adverse Effect, and, except as disclosed to Bergen, to the knowledge of
IVAX, there are no existing facts or circumstances that would be reasonably
likely to result in such a suit, claim, action, proceeding or investigation.
Except as disclosed to Bergen, IVAX is not aware of any facts or circumstances
which would result in the denial of insurance coverage under policies issued to
IVAX and the IVAX Subsidiaries in respect of such suits, claims, actions,
proceedings and investigations, except in any case as would not, individually or
in the aggregate, have an IVAX Material Adverse Effect. Except as disclosed in
the IVAX Reports or in Section 3.12 of the IVAX Disclosure Schedule, neither
IVAX nor any IVAX Subsidiary is subject to any outstanding order, writ,
injunction or decree which, insofar as can be reasonably foreseen, individually
or in the aggregate, would have an IVAX Material Adverse Effect.

                  SECTION 3.13. Environmental Matters. Except as disclosed in
the IVAX Reports or in Section 3.13 of the IVAX Disclosure Schedule or as would
not, individually or in the aggregate, have an IVAX Material Adverse Effect:

                  (a) IVAX and the IVAX Subsidiaries are in compliance with all
         applicable Environmental Laws. All past noncompliance of Eye or any Eye
         Subsidiary with Environmental Laws or Environmental Permits has been
         resolved without any pending, ongoing or future obligation, cost or
         liability; and

                  (b) neither IVAX nor any IVAX Subsidiary has released a
         Hazardous Material at, or transported a Hazardous Material to or from,
         any real property currently or formerly owned, leased or occupied by
         IVAX or any IVAX Subsidiary in violation of any Environmental Law.

                  For purposes of this Agreement:

                  "Environmental Law" means any federal, state or local statute,
         law, ordinance, regulation, rule, code or order of the United States or
         any other jurisdiction and any enforceable judicial or administrative
         interpretation thereof, including any judicial or administrative order,
         consent decree or judgment, relating to pollution or protection of the
         environment or natural resources, including, without limitation, those
         relating to the use, handling, transportation, treatment, storage,
         disposal, release or discharge of Hazardous Material, as in effect as
         of the date of this Agreement.



<PAGE>


                                       22


                  "Environmental Permit" means any permit, approval,
         identification number, license or other authorization required under or
         issued pursuant to any applicable Environmental Law.

                  "Hazardous Material" means (i) any petroleum, petroleum
         products, by-products or breakdown products, radioactive materials,
         asbestos-containing materials or polychlorinated biphenyls or (ii) any
         chemical, material or substance defined or regulated as toxic or
         hazardous or as a pollutant or contaminant or waste under any
         applicable Environmental Law.

                  SECTION 3.14. Intellectual Property. Except as set forth in
Section 3.14 of the IVAX Disclosure Schedule, or as would not, individually or
in the aggregate, have an IVAX Material Adverse Effect, IVAX and the IVAX
Subsidiaries own or possess adequate licenses or other valid rights to use all
patents, patent rights, trademarks, trademark rights, trade names, trade dress,
trade name rights, copyrights, service marks, trade secrets, applications for
trademarks and for service marks, know-how and other proprietary rights and
information used or held for use in connection with the respective businesses of
IVAX and the IVAX Subsidiaries as currently conducted, and IVAX is unaware of
any assertion or claim challenging the validity of any of the foregoing. Except
as set forth in Section 3.14 of the IVAX Disclosure Schedule, the conduct of the
respective businesses of IVAX and the IVAX Subsidiaries as currently conducted
does not conflict in any way with any patent, patent right, license, trademark,
trademark right, trade dress, trade name, trade name right, service mark or
copyright of any third party that, individually or in the aggregate, would have
an IVAX Material Adverse Effect. To the knowledge of IVAX, there are no
infringements of any proprietary rights owned by or licensed by or to IVAX or
any IVAX Subsidiary that, individually or in the aggregate, would have an IVAX
Material Adverse Effect.

                  SECTION 3.15. Taxes. Except as set forth in Section 3.15 of
the IVAX Disclosure Schedule and except for such matters that would not have an
IVAX Material Adverse Effect, (a) IVAX and each of the IVAX Subsidiaries have
timely filed or shall timely file all returns and reports required to be filed
by them with any taxing authority with respect to Taxes for any period ending on
or before the Effective Time, taking into account any extension of time to file
granted to or obtained on behalf of IVAX and the IVAX Subsidiaries, (b) all
Taxes shown to be payable on such returns or reports that are due prior to the
Effective Time have been paid or shall be paid, (c) as of the date hereof, no
deficiency for any amount of Tax has been asserted or assessed by a taxing
authority against IVAX or any of the IVAX Subsidiaries and (d) IVAX and each of
the IVAX Subsidiaries have provided adequate reserves in their financial
statements for any Taxes that have not been paid, whether or not shown as being
due on any returns. As used in this Agreement, "Taxes" shall mean any and all
taxes, fees, levies, duties, tariffs, imposts and other charges of any kind
(together with any and all interest, penalties, additions to tax and additional



<PAGE>


                                       23

amounts imposed with respect thereto) imposed by any government or taxing
authority, including, without limitation, taxes or other charges on or with
respect to income, franchises, windfall or other profits, gross receipts,
property, sales, use, capital stock, payroll, employment, social security,
workers' compensation, unemployment compensation or net worth; taxes or other
charges in the nature of excise, withholding, ad valorem, stamp, transfer,
value-added or gains taxes; license, registration and documentation fees; and
customers' duties, tariffs and similar charges.

                  SECTION 3.16. Pooling Affiliates. Section 3.16 of the IVAX
Disclosure Schedule sets forth the names and addresses of those persons who are,
in IVAX's reasonable judgment, "affiliates" within the meaning of Rule 145 of
the rules and regulations promulgated under the Securities Act or applicable SEC
accounting releases with respect to pooling of interests accounting treatment
(each such person, a "Pooling Affiliate") of IVAX.

                  SECTION 3.17. Suppliers. As of the date of this Agreement,
except as set forth on Section 3.17 of the IVAX Disclosure Schedule, no material
supplier of IVAX has indicated that it will stop or materially decrease
supplying materials, products or services to IVAX, the effect of which would
have an IVAX Material Adverse Effect.

                  SECTION 3.18. Opinion of Financial Advisor. Lehman Brothers,
Inc. ("Lehman Brothers") has delivered to the board of directors of IVAX its
written opinion to the effect that, as of November 8, 1996, the IVAX Exchange
Ratio to be offered to the stockholders of IVAX in the proposed transaction is
fair to such stockholders. Lehman Brothers has authorized the inclusion of its
opinion in the Joint Proxy Statement and IVAX shall promptly, after the date of
this Agreement, deliver a signed copy of such opinion to Bergen.

                  SECTION 3.19. Brokers. No broker, finder or investment banker
(other than Lehman Brothers) is entitled to any brokerage, finder's or other fee
or commission in connection with the Mergers based upon arrangements made by or
on behalf of IVAX. IVAX has heretofore made available to Bergen complete and
correct copies of all agreements between IVAX and Lehman Brothers pursuant to
which such firm would be entitled to any payment relating to the Mergers.





<PAGE>


                                       24

                                   ARTICLE IV

                    REPRESENTATIONS AND WARRANTIES OF BERGEN

                  Bergen hereby represents and warrants to IVAX that:

                  SECTION 4.01. Organization and Qualification; Subsidiaries.
Each of Bergen and each subsidiary of Bergen (the "Bergen Subsidiaries") has
been duly organized and is validly existing and in good standing (to the extent
applicable) under the laws of the jurisdiction of its incorporation or
organization, as the case may be, and has the requisite corporate power and
authority and all necessary governmental approvals to own, lease and operate its
properties and to carry on its business as it is now being conducted, except
where the failure to be so organized, existing or in good standing or to have
such power, authority and governmental approvals would not, individually or in
the aggregate, have a Bergen Material Adverse Effect. Each of Bergen and each
Bergen Subsidiary is duly qualified or licensed to do business, and is in good
standing (to the extent applicable), in each jurisdiction where the character of
the properties owned, leased or operated by it or the nature of its business
makes such qualification or licensing necessary, except for such failures to be
so qualified or licensed and in good standing that would not, individually or in
the aggregate, have a Bergen Material Adverse Effect.

                  SECTION 4.02. Certificate of Incorporation and Bylaws. Except
as set forth in Section 4.02 of the Bergen Disclosure Schedule, the copies of
Bergen's Certificate of Incorporation and Bylaws that are incorporated by
reference as exhibits to Bergen's Form 10-K for the period ending September 30,
1995 (the "Bergen 1995 10-K") are complete and correct copies thereof. Such
Certificate of Incorporation and Bylaws are in full force and effect. Bergen is
not in violation of any of the provisions of its Certificate of Incorporation or
Bylaws.

                  SECTION 4.03. Capitalization. The authorized capital stock of
Bergen consists of (i) 100,000,000 shares of Bergen Common Stock and (ii)
3,000,000 shares of preferred stock, no par value ("Bergen Preferred Stock"),
including a series of 400,000 shares of Bergen Preferred Stock designated as
Series A Junior Participating Preferred Stock, no shares of which are
outstanding as of the date hereof. As of September 30, 1996, (i) 40,062,382
shares of Bergen Common Stock were issued and outstanding, all of which were
validly issued, fully paid and nonassessable and (ii) 4,354,558 shares of Bergen
Common Stock were held in the treasury of Bergen or by the Bergen Subsidiaries.
As of November 7, 1996, (i) 1,889,426 shares of Bergen Common Stock were
reserved for future issuance pursuant to outstanding Bergen Stock Options issued
under the Amended and Restated Bergen 1989 Stock Incentive Plan (the "Bergen
Stock Incentive Plan") and outstanding Bergen Stock Options issued under the
Bergen 1983 Stock Option Plan (the "Bergen 1983 Plan" and, together with the
Bergen Stock Incentive Plan, the "Bergen Stock



<PAGE>


                                       25

Plans") and (ii) 9,953,076 shares of Bergen Common Stock were reserved for
future issuance under the Bergen Stock Option Agreement. Except for the Bergen
Stock Options granted pursuant to the Bergen Stock Plans and the Bergen Stock
Option Agreement, shares of Bergen Common Stock issuable pursuant to the Bergen
Stock Option Agreement and the Bergen Stock Plans or pursuant to agreements or
arrangements described in Section 4.03 of the Disclosure Schedule delivered by
Bergen prior to the execution of (and forming part of) this Agreement (the
"Bergen Disclosure Schedule"), there are no options, warrants or other rights,
agreements, arrangements or commitments of any character to which Bergen is a
party or by which Bergen is bound relating to the issued or unissued capital
stock of Bergen or any Bergen Subsidiary or obligating Bergen or any Bergen
Subsidiary to issue or sell any shares of capital stock of, or other equity
interests in, Bergen or any Bergen Subsidiary. Between September 30, 1996 and
the date of this Agreement, an aggregate of 229,500 Bergen Stock Options have
been granted and no awards have been made under the Bergen Stock Incentive Plan.
As of the date hereof, no shares of Bergen Preferred Stock are issued and
outstanding. All shares of Bergen Common Stock subject to issuance as aforesaid,
upon issuance prior to the Effective Time on the terms and conditions specified
in the instruments pursuant to which they are issuable, will be duly authorized,
validly issued, fully paid and nonassessable. There are no outstanding
contractual obligations of Bergen or any Bergen Subsidiary to repurchase, redeem
or otherwise acquire any shares of Bergen Common Stock or any capital stock of
any Bergen Subsidiary. Each outstanding share of capital stock of each Bergen
Subsidiary is duly authorized, validly issued, fully paid and nonassessable and
each such share owned by Bergen or another Bergen Subsidiary is free and clear
of all security interests, liens, claims, pledges, options, rights of first
refusal, agreements, limitations on Bergen's or such other Bergen Subsidiary's
voting rights, charges and other encumbrances of any nature whatsoever, except
where the failure to own such shares free and clear would not, individually or
in the aggregate, have a Bergen Material Adverse Effect. Except as set forth in
Section 4.03 of the Bergen Disclosure Schedule, there are no material
outstanding contractual obligations of Bergen or any Bergen Subsidiary to
provide funds to, or make any material investment (in the form of a loan,
capital contribution or otherwise) in, any Bergen Subsidiary or any other
person.

                  SECTION 4.04. Authority Relative to this Agreement and the
Bergen Stock Option Agreement. Bergen has all necessary corporate power and
authority to execute and deliver this Agreement and the Bergen Stock Option
Agreement, to perform its obligations hereunder and thereunder and to consummate
the Bergen Merger. The execution and delivery of this Agreement and the Bergen
Stock Option Agreement by Bergen and the consummation by Bergen of the Mergers
contemplated hereby and thereby have been duly and validly authorized by all
necessary corporate action, and no other corporate proceedings on the part of
Bergen are necessary to authorize this Agreement or the Bergen Stock Option
Agreement or to consummate such Mergers (other than the approval of this
Agreement and the Mergers contemplated hereby by the holders of a majority of
the votes cast by Bergen's shareholders with respect thereto at the Bergen
Shareholders' Meeting and the filing and



<PAGE>


                                       26

recordation of the Certificate of Merger as required by the NJBCA). This
Agreement and the Bergen Stock Option Agreement have been duly executed and
delivered by Bergen and, assuming the due authorization, execution and delivery
by the other parties hereto and thereto, constitute legal, valid and binding
obligations of Bergen, enforceable against Bergen in accordance with their
terms. The Rights Agreement, dated as of February 8, 1994 (the "Bergen Rights
Agreement"), between Bergen and Chemical Trust Company of California, a
California banking corporation, has been amended to exempt IVAX from the
definition of "Acquiring Person" contained in the Bergen Rights Agreement, and
the Mergers and the Bergen Stock Option Agreement and Bergen Voting Agreement
have each been approved by the Board of Directors of Bergen for the purposes of
Sections 14A:10A-4 and 14A:10A-5 of the NJBCA, and any other Law of similar
effect applicable to Bergen.

                  SECTION 4.05. No Conflict; Required Filings and Consents. (a)
The execution and delivery of this Agreement and the Bergen Stock Option
Agreement by Bergen do not, and the performance by Bergen of its obligations
hereunder and thereunder and the consummation of the Mergers will not, (i)
conflict with or violate any provision of the Certificate of Incorporation or
Bylaws of Bergen or any equivalent organizational documents of any Bergen
Subsidiary, (ii) assuming that all consents, approvals, authorizations and
permits described in Section 4.05(b) have been obtained and all filings and
notifications described in Section 4.05(b) have been made, conflict with or
violate any Law applicable to Bergen or any Bergen Subsidiary or by which any
property or asset of Bergen or any Bergen Subsidiary is bound or affected or
(iii) except as set forth in Section 4.05(a) of the Bergen Disclosure Schedule,
result in any breach of or constitute a default (or an event which with the
giving of notice or lapse of time or both would become a default) under, or give
to others any right of termination, amendment, acceleration or cancellation of,
or result in the creation of a lien or other encumbrance on any property or
asset of Bergen or any Bergen Subsidiary pursuant to, any note, bond, mortgage,
indenture, contract, agreement, lease, license, permit, franchise or other
instrument or obligation, except, with respect to clauses (ii) and (iii), for
any such conflicts, violations, breaches, defaults or other occurrences which
would neither, individually or in the aggregate, (A) have a Bergen Material
Adverse Effect nor (B) prevent or materially delay the performance by Bergen of
its obligations pursuant to this Agreement, the Bergen Stock Option Agreement or
the consummation of the Mergers.

                  (b) The execution and delivery of this Agreement and the
Bergen Stock Option Agreement by Bergen do not, and the performance by Bergen of
its obligations hereunder and thereunder and the consummation of the Mergers
will not, require any consent, approval, authorization or permit of, or filing
by Bergen with or notification by Bergen to, any Governmental Entity, except (i)
for applicable requirements of the Exchange Act, the Securities Act, state
securities or Blue Sky Laws, the rules and regulations of the New York Stock
Exchange (the "NYSE"), state takeover laws, the premerger notification
requirements of the HSR Act and the filing and recordation of the Certificate of
Merger as required by the NJBCA and (ii) where failure to obtain such consents,
approvals,



<PAGE>


                                       27

authorizations or permits, or to make such filings or notifications, would not
(A) prevent or materially delay the performance by Bergen of its obligations
pursuant to this Agreement or the Bergen Stock Option Agreement and the
consummation of the Mergers or (B) individually or in the aggregate, have a
Bergen Material Adverse Effect.

                  SECTION 4.06. Permits; Compliance with Laws. (a) Each of
Bergen and the Bergen Subsidiaries is in possession of all franchises, grants,
authorizations, licenses, establishment registrations, product listings,
permits, easements, variances, exceptions, consents, certificates, approvals and
orders of any Governmental Entity, including, without limitation, the FDA, the
DEA and similar authorities in other jurisdictions, necessary for Bergen or any
Bergen Subsidiary to own, lease and operate its properties or to store,
distribute and market its products or otherwise to carry on its business as it
is now being conducted (the "Bergen Permits"), except where the failure to have,
or the suspension or cancellation of, any of the Bergen Permits would not,
individually or in the aggregate, have a Bergen Material Adverse Effect, and, as
of the date of this Agreement, no suspension or cancellation of any of the
Bergen Permits is pending or, to the knowledge of Bergen, threatened, except
where the failure to have, or the suspension or cancellation of, any of the
Bergen Permits would not, individually or in the aggregate, have a Bergen
Material Adverse Effect. Neither Bergen nor any Bergen Subsidiary is in conflict
with, or in default or violation of, (i) any Law applicable to Bergen or any
Bergen Subsidiary or by which any property or asset of Bergen or any Bergen
Subsidiary is bound or affected or (ii) any Bergen Permits, except in the case
of clauses (i) and (ii) for any such conflicts, defaults or violations that
would not, individually or in the aggregate, have a Bergen Material Adverse
Effect.

                  (b) Neither Bergen nor any of the Bergen Subsidiaries engages
in any manufacturing activities or clinical studies.

                  (c) Except as disclosed in the Bergen Reports or as would not,
individually or in the aggregate, have a Bergen Material Adverse Effect:


                  (i) all necessary clearances or approvals from governmental
         agencies for all drug and device products which are sold by Bergen and
         the Bergen Subsidiaries have, to the knowledge of Bergen, been obtained
         and Bergen and the Bergen Subsidiaries are in substantial compliance
         with the most current form of each applicable clearance or approval
         with respect to the storage, distribution, promotion and sale by Bergen
         and the Bergen Subsidiaries of such products;

                  (ii) none of Bergen, the Bergen Subsidiaries or any of their
         respective officers, employees or agents (during the term of such
         Person's employment by Bergen or a Bergen Subsidiary or while acting as
         an agent of Bergen or a Bergen subsidiary, or, to Bergen's actual
         knowledge, prior to such employment) has made any untrue statement of a
         material fact or fraudulent statement to the FDA or any



<PAGE>


                                       28

         similar governmental agency, failed to disclose a material fact
         required to be disclosed to the FDA or similar governmental agency, or
         committed an act, made a statement or failed to make a statement that
         could reasonably be expected to provide a basis for the FDA or similar
         governmental agency to invoke its policy respecting "Fraud, Untrue
         Statements of Material Facts, Bribery, and Illegal Gratuities" or
         similar governmental policy, rule, regulation or law;

                  (iii) neither Bergen nor any of the Bergen Subsidiaries has
         received any written notice that the FDA or any similar governmental
         agency has commenced, or threatened to initiate, any action to withdraw
         its approval or request the recall of any product of Bergen or any of
         the Bergen Subsidiaries, or commenced, or overtly threatened to
         initiate, any action to enjoin production at any facility of Bergen or
         any of the Bergen Subsidiaries;

                  (iv) as to each article of drug, device, cosmetic or vitamin
         manufactured (directly or indirectly) and/or, to the knowledge of
         Bergen, distributed by Bergen or any of the Bergen Subsidiaries, such
         article is not adulterated or misbranded within the meaning of the FDCA
         or any similar governmental act or Law of any jurisdiction; and

                  (v) none of Bergen, the Bergen Subsidiaries or any of their
         respective officers, employees or agents (during the term of such
         person's employment by Bergen or a Bergen Subsidiary or while acting as
         an agent of Bergen or a Bergen Subsidiary, or, to Bergen's knowledge,
         prior to such employment), subsidiaries or affiliates has been
         convicted of any crime or engaged in any conduct for which debarment or
         similar punishment is mandated or permitted by any applicable Law.

                  SECTION 4.07. SEC Filings; Financial Statements. (a) Bergen
has timely filed all forms, reports and documents required to be filed by it
with the SEC and the NYSE since January 1, 1994 through the date of this
Agreement (collectively and as amended, the "Bergen Reports"). Each Bergen
Report (i) was prepared in accordance with the requirements of the Securities
Act, the Exchange Act or the NYSE, as the case may be, and (ii) did not at the
time it was filed contain any untrue statement of a material fact or omit to
state a material fact required to be stated therein or necessary in order to
make the statements made therein, in the light of the circumstances under which
they were made, not misleading. No Bergen Subsidiary is subject to the periodic
reporting requirements of the Exchange Act or required to file any form, report
or other document with the SEC, the NYSE, any other stock exchange or any other
comparable Governmental Entity.

                  (b) Each of the consolidated financial statements (including,
in each case, any notes thereto) contained in the Bergen Reports was prepared in
accordance with U.S. GAAP applied on a consistent basis throughout the periods
indicated (except as may be



<PAGE>


                                       29

indicated in the notes thereto) and each presented fairly, in all material
respects, the consolidated financial position of Bergen and the consolidated
Bergen Subsidiaries as at the respective dates thereof and for the respective
periods indicated therein, except as otherwise noted therein (subject, in the
case of unaudited statements, to normal and recurring year-end adjustments which
were not and are not expected, individually or in the aggregate, to have a
Bergen Material Adverse Effect).

                  (c) Except as and to the extent set forth or reserved against
on the consolidated balance sheet of Bergen and its Subsidiaries as reported in
the Bergen Reports, including the notes thereto, none of Bergen or any Bergen
Subsidiary has any liabilities or obligations of any nature (whether accrued,
absolute, contingent or otherwise) that would be required to be reflected on a
balance sheet or in notes thereto prepared in accordance with U.S. GAAP, except
for liabilities or obligations incurred in the ordinary course of business since
October 1, 1995 that would not, individually or in the aggregate, have a Bergen

Material Adverse Effect.

                  SECTION 4.08. Absence of Certain Changes or Events. Since
October 1, 1995, except as contemplated by or as disclosed in this Agreement, as
set forth in Section 4.08 of the Bergen Disclosure Schedule or as disclosed in
any Bergen Report filed since October 1, 1995, Bergen and the Bergen
Subsidiaries have conducted their businesses only in the ordinary course and in
a manner consistent with past practice and, since such date, there has not been
(i) any Bergen Material Adverse Effect excluding any changes and effects
resulting from changes in economic, regulatory or political conditions or
changes in conditions generally applicable to the industries in which Bergen and
the Bergen Subsidiaries are involved, (ii) any event that could reasonably be
expected to prevent or materially delay the performance of its obligations
pursuant to this Agreement and the consummation of the Mergers by Bergen, (iii)
any material change by Bergen in its accounting methods, principles or
practices, (iv) any declaration, setting aside or payment of any dividend or
distribution in respect of the shares of Bergen Common Stock or any redemption,
purchase or other acquisition of any of Bergen's securities or (v) any increase
in the compensation or benefits or establishment of any bonus, insurance,
severance, deferred compensation, pension, retirement, profit sharing, stock
option (including, without limitation, the granting of stock options, stock
appreciation rights, performance awards or restricted stock awards), stock
purchase or other employee benefit plan, or any other increase in the
compensation payable or to become payable to any executive officers of Bergen or
any Bergen Subsidiary except in the ordinary course of business consistent with
past practice.

                  SECTION 4.09. Employee Benefit Plans; Labor Matters. (a) With
respect to each employee benefit plan, program, arrangement and contract
(including, without limitation, any "employee benefit plan", as defined in
Section 3(3) of ERISA) maintained or contributed to by Bergen or any Bergen
Subsidiary, or with respect to which Bergen or any Bergen Subsidiary could incur
liability under Section 4069, 4212(c) or 4204 of ERISA (the



<PAGE>


                                       30

"Bergen Benefit Plans"), Bergen has delivered or made available to IVAX a true
and correct copy of (i) such Bergen Benefit Plan and the most recent summary
plan description related to each Bergen Benefit Plan for which a summary plan
description is required, (ii) each trust agreement or other funding arrangement
relating to such Bergen Benefit Plan, (iii) the most recent annual report (Form
5500) filed with the IRS, (iv) the most recent actuarial report or financial
statement relating to a Bergen Benefit Plan subject to Title IV of ERISA and (v)
the most recent determination letter issued by the IRS with respect to any
Bergen Benefit Plan qualified under Section 401(a) of the Code.

                  (b) Each Bergen Benefit Plan has been administered in all
material respects in accordance with its terms and all contributions required to
be made under the terms of any of the Bergen Benefit Plans as of the date of
this Agreement have been timely made or have been reflected on the most recent
consolidated balance sheet filed or incorporated by reference in the Bergen
Reports prior to the date of this Agreement. With respect to the Bergen Benefit
Plans, no event has occurred and, to the knowledge of Bergen, there exists no
condition or set of circumstances in connection with which Bergen or any Bergen
Subsidiary could be subject to any liability under the terms of such Bergen
Benefit Plans, ERISA, the Code or any other applicable Law which would
individually or in the aggregate have a Bergen Material Adverse Effect.

                  (c) Except as would not have a Bergen Material Adverse Effect,
with respect to each Bergen Benefit Plan that is not subject to United States
Law (a "Bergen Foreign Benefit Plan"):

                  (i) all employer and employee contributions to each Bergen
         Foreign Benefit Plan required by Law or by the terms of such Bergen
         Foreign Benefit Plan have been made or, if applicable, accrued in
         accordance with normal accounting practices;

                  (ii) the fair market value of the assets of each funded Bergen
         Foreign Benefit Plan, the liability of each insurer for any Bergen
         Foreign Benefit Plan funded through insurance or the book reserve
         established for any Bergen Foreign Benefit Plan, together with any
         accrued contributions, is sufficient to procure or provide for the
         accrued benefit obligations, as of the Effective Time, with respect to
         all current and former participants in such plan according to the
         actuarial assumptions and valuations most recently used to determine
         employer contributions to such Bergen Foreign Benefit Plan and no
         transaction contemplated by this Agreement shall cause such assets or
         insurance obligations to be less than such benefit obligations; and

                  (iii) each Bergen Foreign Benefit Plan required to be
         registered has been registered and has been maintained in good standing
         with the appropriate regulatory authorities.



<PAGE>


                                       31


                  (d) Except as set forth in Section 4.09(d) of the Bergen
Disclosure Schedule, neither Bergen nor any Bergen Subsidiary is a party to any
collective bargaining or other labor union contract applicable to persons
employed by Bergen or any Bergen Subsidiary and no collective bargaining
agreement is being negotiated by Bergen or any Bergen Subsidiary. As of the date
of this Agreement, there is no labor dispute, strike or work stoppage against
Bergen or any Bergen Subsidiary pending or, to the knowledge of Bergen,
threatened which may interfere with the respective business activities of Bergen
or any Bergen Subsidiary, except where such dispute, strike or work stoppage
would not have a Bergen Material Adverse Effect. As of the date of this
Agreement, to the knowledge of Bergen, none of Bergen, any Bergen Subsidiary, or
any of their respective representatives or employees has committed any unfair
labor practice in connection with the operation of the respective businesses of
Bergen or any Bergen Subsidiary, and there is no charge or complaint against
Bergen or any Bergen Subsidiary by the National Labor Relations Board or any
comparable governmental agency pending or threatened in writing, except where
such unfair labor practice, charge or complaint would not have a Bergen Material
Adverse Effect.

                  (e) Bergen has delivered to IVAX true and complete copies of
(i) all employment agreements with officers of Bergen and each Bergen Subsidiary
providing for annual compensation in excess of $250,000, (ii) all severance
plans, agreements, programs and policies of Bergen and each Bergen Subsidiary
with or relating to their respective employees and (iii) all plans, programs,
agreements and other arrangements of Bergen and each Bergen Subsidiary with or
relating to their respective employees which contain "change of control"
provisions.

                  (f) Except as provided in Section 4.09(f) of the Bergen
Disclosure Schedule or as otherwise required by Law, no Bergen Benefit Plan
provides retiree medical or retiree life insurance benefits to any person.

                  SECTION 4.10. Accounting and Tax Matters. (a) Except as
disclosed in the Bergen Reports, neither Bergen nor, to the knowledge of Bergen,
any of its affiliates has taken or agreed to take any action (other than actions
contemplated by this Agreement) that would prevent the Mergers from qualifying
for "pooling of interests" accounting treatment under applicable United States
accounting rules, including, without limitation, applicable SEC accounting
standards, or would prevent the Mergers from constituting a transaction
qualifying under Section 368(a) of the Code. Bergen is not aware of any
agreement, plan or other circumstance that would prevent the Mergers from so
qualifying under Section 368(a) of the Code.

                  (b) The representations and warranties made in Bergen's letter
of compliance with pooling of interest criteria addressed to Deloitte & Touche
LLP ("Deloitte & Touche") are true as of the date hereof.




<PAGE>


                                       32

                  SECTION 4.11. Contracts; Debt Instruments. Except as disclosed
in the Bergen Reports or in Section 4.11 of the Bergen Disclosure Schedule,
there is no contract or agreement that is material to the business, financial
condition or results of operations of Bergen and the Bergen Subsidiaries taken
as a whole (each, a "Bergen Material Contract"). Except as disclosed in the
Bergen Reports, neither Bergen nor any Bergen Subsidiary is in violation of or
in default under (nor does there exist any condition which with the passage of
time or the giving of notice would cause such a violation of or default under)
any loan or credit agreement, note, bond, mortgage, indenture or lease, or any
other contract, agreement, arrangement or understanding to which it is a party
or by which it or any of its properties or assets is bound, except for
violations or defaults that would not, individually or in the aggregate, result
in a Bergen Material Adverse Effect. Set forth in Section 4.11 of the Bergen
Disclosure Schedule is a description of any material changes to the amount and
terms of the indebtedness of Bergen and its subsidiaries as described in the
notes to the financial statements incorporated in the Bergen 1995 10-K.

                  SECTION 4.12. Litigation. Except as disclosed in the Bergen
Reports or in Section 4.12 of the Bergen Disclosure Schedule, there is no suit,
claim, action, proceeding or investigation pending or, to the knowledge of
Bergen, threatened against Bergen or any Bergen Subsidiary before any
Governmental Entity that, individually or in the aggregate, is reasonably likely
to have a Bergen Material Adverse Effect, and, except as disclosed to IVAX, to
the knowledge of Bergen, there are no existing facts or circumstances that would
be reasonably likely to result in such a suit, claim, action, proceeding or
investigation. Except as disclosed to IVAX, Bergen is not aware of any facts or
circumstances which would result in the denial of insurance coverage under
policies issued to Bergen and the Bergen Subsidiaries in respect of such suits,
claims, actions, proceedings and investigations, except in any case as would
not, individually or in the aggregate, have a Bergen Material Adverse Effect.
Except as disclosed in the Bergen Reports, neither Bergen nor any Bergen
Subsidiary is subject to any outstanding order, writ, injunction or decree
which, insofar as can be reasonably foreseen, individually or in the aggregate,
would have a Bergen Material Adverse Effect.

                  SECTION 4.13. Environmental Matters. Except as disclosed in
the Bergen Reports or as would not, individually or in the aggregate, have a
Bergen Material Adverse Effect:

                  (a) Bergen and the Bergen Subsidiaries are in compliance with
         all applicable Environmental Laws. All past noncompliance of Bergen or
         any Bergen Subsidiary with Environmental Laws or Environmental Permits
         has been resolved without any pending, ongoing or future obligation,
         cost or liability; and

                  (b) neither Bergen nor any Bergen Subsidiary has released a
         Hazardous Material at, or transported a Hazardous Material to or from,
         any real property



<PAGE>


                                       33

         currently or formerly owned, leased or occupied by Bergen or any Bergen
         Subsidiary in violation of any Environmental Law.

                  SECTION 4.14. Intellectual Property. Except as would not,
individually or in the aggregate, have a Bergen Material Adverse Effect, Bergen
and the Bergen Subsidiaries own or possess adequate licenses or other valid
rights to use all patents, patent rights, trademarks, trademark rights, trade
names, trade dress, trade name rights, copyrights, service marks, trade secrets,
applications for trademarks and for service marks, know-how and other
proprietary rights and information used or held for use in connection with the
respective businesses of Bergen and the Bergen Subsidiaries as currently
conducted, and Bergen is unaware of any assertion or claim challenging the
validity of any of the foregoing. The conduct of the respective businesses of
Bergen and the Bergen Subsidiaries as currently conducted does not conflict in
any way with any patent, patent right, license, trademark, trademark right,
trade dress, trade name, trade name right, service mark or copyright of any
third party that, individually or in the aggregate, would have a Bergen Material
Adverse Effect. To the knowledge of Bergen, there are no infringements of any
proprietary rights owned by or licensed by or to Bergen or any Bergen Subsidiary
that, individually or in the aggregate, would have a Bergen Material Adverse
Effect.

                  SECTION 4.15. Taxes. Except as set forth in Section 4.15 of
the Bergen Disclosure Schedule and except for such matters that would not have a
Bergen Material Adverse Effect, (a) Bergen and each of the Bergen Subsidiaries
have timely filed or shall timely file all returns and reports required to be
filed by them with any taxing authority with respect to Taxes for any period
ending on or before the Effective Time, taking into account any extension of
time to file granted to or obtained on behalf of Bergen and the Bergen
Subsidiaries, (b) all Taxes shown to be payable on such returns or reports that
are due prior to the Effective Time have been paid or shall be paid, (c) as of
the date hereof, no deficiency for any amount of Tax has been asserted or
assessed by a taxing authority against Bergen or any of the Bergen Subsidiaries
and (d) Bergen and each of the Bergen Subsidiaries have provided adequate
reserves in their financial statements for any Taxes that have not been paid,
whether or not shown as being due on any returns.

                  SECTION 4.16. Pooling Affiliates. Section 4.16 of the Bergen
Disclosure Schedule sets forth the names and addresses of those persons who are,
in Bergen's reasonable judgment, Pooling Affiliates of Bergen.

                  SECTION 4.17. Customers. As of the date of this Agreement,
except as set forth in Section 4.17 of the Bergen Disclosure Schedule, no
material customer of Bergen has indicated that it will stop or materially
decrease purchasing materials, products or services from Bergen, the effect of
which would have a Bergen Material Adverse Effect.




<PAGE>


                                       34

                  SECTION 4.18. Opinion of Financial Advisor. Merrill Lynch &
Co., Inc. ("Merrill Lynch") has delivered to the board of directors of Bergen
its written opinion to the effect that, as of November 8, 1996, the ratio of the
Bergen Exchange Ratio to the IVAX Exchange Ratio is fair to the holders of
Bergen Shares (other than IVAX and its affiliates) from a financial point of
view. Merrill Lynch has authorized the inclusion of its opinion in the Joint
Proxy Statement and Bergen shall promptly, after the date of this Agreement,
deliver a signed copy of such opinion to IVAX.

                  SECTION 4.19. Brokers. No broker, finder or investment banker
(other than Merrill Lynch) is entitled to any brokerage, finder's or other fee
or commission in connection with the Mergers based upon arrangements made by or
on behalf of Bergen. Bergen has heretofore made available to IVAX complete and
correct copies of all agreements between Bergen and Merrill Lynch pursuant to
which such firm would be entitled to any payment relating to the Mergers.


                                    ARTICLE V

                                    COVENANTS

                  SECTION 5.01. Conduct of Business by IVAX Pending the Closing.
IVAX agrees that, between the date of this Agreement and the Effective Time,
except as set forth in Section 5.01 of the IVAX Disclosure Schedule or as
expressly contemplated by any other provision of this Agreement, unless Bergen
shall otherwise agree in writing, which agreement shall not be unreasonably
withheld or delayed, (x) the respective businesses of IVAX and the IVAX
Subsidiaries shall be conducted only in, and IVAX and the IVAX Subsidiaries
shall not take any action except in, the ordinary course of business consistent
with past practice and (y) IVAX shall use all reasonable efforts to keep
available the services of such of the current officers, significant employees
and consultants of IVAX and the IVAX Subsidiaries and to preserve the current
relationships of IVAX and the IVAX Subsidiaries with such of the customers,
suppliers and other persons with which IVAX or any IVAX Subsidiary has
significant business relations in order to preserve substantially intact its
business organization. By way of amplification and not limitation, except as set
forth in Section 5.01 of the IVAX Disclosure Schedule or as expressly
contemplated by any other provision of this Agreement and the IVAX Stock Option
Agreement, neither IVAX nor any IVAX Subsidiary shall, between the date of this
Agreement and the Effective Time, directly or indirectly, do, or agree to do,
any of the following without the prior written consent of Bergen, which consent
shall not be unreasonably withheld or delayed:

                  (a) amend or otherwise change its Articles of Incorporation or
         Bylaws or equivalent organizational documents;




<PAGE>


                                       35

                  (b) issue, sell, pledge, dispose of, grant, transfer, lease,
         license, guarantee or encumber, or authorize the issuance, sale,
         pledge, disposition, grant, transfer, lease, license or encumbrance of,
         (i) any shares of capital stock of IVAX or any IVAX Subsidiary of any
         class, or securities convertible into or exchangeable or exercisable
         for any shares of such capital stock, or any options, warrants or other
         rights of any kind to acquire any shares of such capital stock, or any
         other ownership interest (including, without limitation, any phantom
         interest), of IVAX or any IVAX Subsidiary (except for the issuance of
         (A) a maximum of 10,627,037 shares of IVAX Common Stock issuable
         pursuant to the IVAX Stock Options outstanding on the date of this
         Agreement and the issuance, in the ordinary course of business,
         consistent with past practices and on terms no more favorable than
         customary prior grants, of IVAX Stock Options to acquire 1,488,525
         shares of IVAX Common Stock and the shares of IVAX Common Stock
         issuable pursuant to such IVAX Stock Options, in accordance with the
         terms of the IVAX Stock Plans, (B) a maximum of 2,945,669 shares of
         IVAX Common Stock issuable pursuant to the IVAX Subordinated Notes, and
         (C) shares of IVAX Common Stock issuable as consideration for
         acquisitions permitted by clause (i) of paragraph (c) of this Section
         5.01), or (ii) any property or assets of IVAX or any IVAX Subsidiary,
         except in the ordinary course of business and in a manner consistent
         with past practice or in an aggregate amount not in excess of
         $50,000,000;

                  (c) (i) acquire (including, without limitation, by merger,
         consolidation, or acquisition of stock or assets) any interest in any
         corporation, partnership, other business organization or person or any
         division thereof or any assets, other than acquisitions of assets
         (excluding the acquisition of a business or substantially all of the
         stock or assets thereof) in the ordinary course of business consistent
         with past practice, and any acquisitions for consideration, calculated
         as of the date of execution of the definitive agreement for any such
         acquisition, that is not, in the aggregate for all such acquisitions,
         in excess of $15,000,000; (ii) incur any indebtedness for borrowed
         money or issue any debt securities or assume, guarantee or endorse, or
         otherwise as an accommodation become responsible for, the obligations
         of any person for borrowed money, except for (A) indebtedness for
         borrowed money incurred in the ordinary course of business and
         consistent with past practice or incurred to refinance outstanding
         indebtedness for borrowed money existing on the date of this Agreement,
         (B) other indebtedness for borrowed money with a maturity of not more
         than one year in a principal amount not, in the aggregate, in excess of
         $50,000,000 or (C) indebtedness for borrowed money incurred to finance
         acquisitions permitted by clause (i) of this paragraph (c); (iii)
         terminate, cancel or request any material change in, or agree to any
         material change in, any IVAX Material Contract or enter into any
         contract or agreement material to the business, results of operations
         or financial condition of IVAX and the IVAX Subsidiaries taken as a
         whole, in either case other than in the ordinary course of business,
         consistent with past practice; (iv) make or



<PAGE>


                                       36

         authorize any capital expenditure, other than capital expenditures in
         the ordinary course of business consistent with past practice that are
         not, in the aggregate, in excess of $100,000,000 for IVAX and the IVAX
         Subsidiaries taken as a whole; or (v) enter into or amend any contract,
         agreement, commitment or arrangement that, if fully performed, would
         not be permitted under this Section 5.01(c);

                  (d) declare, set aside, make or pay any dividend or other
         distribution, payable in cash, stock, property or otherwise, with
         respect to any of its capital stock, except (i) for any semiannual
         dividends not in excess of $.05 per share of IVAX Common Stock and (ii)
         that any IVAX Subsidiary may pay dividends or make other distributions
         to IVAX or any other IVAX Subsidiary;

                  (e) reclassify, combine, split, subdivide or redeem, purchase
         or otherwise acquire, directly or indirectly, any of its capital stock;

                  (f) increase the compensation payable or to become payable to
         its officers or employees, except for increases in accordance with past
         practices in salaries or wages of employees or officers of IVAX or any
         IVAX Subsidiary, or grant any rights to severance or termination pay
         to, or enter into any employment or severance agreement which provides
         benefits upon a change in control of IVAX that would be triggered by
         the Reorganization with, any director, officer or other employee of
         IVAX or any IVAX Subsidiary who is not currently entitled to such
         benefits from the Reorganization, or establish, adopt, enter into or
         amend any collective bargaining, bonus, profit sharing, thrift,
         compensation, stock option, restricted stock, pension, retirement,
         deferred compensation, employment, termination, severance or other
         plan, agreement, trust, fund, policy or arrangement for the benefit of
         any director, officer or employee of IVAX or any IVAX Subsidiary,
         except to the extent required by applicable Law or the terms of a
         collective bargaining agreement;

                  (g) take any action with respect to accounting policies or
         procedures, other than actions in the ordinary course of business and
         consistent with past practice or as required by U.S. GAAP;

                  (h) make any tax election or settle or compromise any material
         federal, state or local United States income tax liability, or any
         income tax liability of any other jurisdiction, other than those made
         in the ordinary course of business consistent with past practice and
         those for which specific reserves have been recorded on the
         consolidated balance sheet of IVAX and the consolidated IVAX
         Subsidiaries dated as of December 31, 1995 included in the 1995 IVAX
         10-K and only to the extent of such reserves; or




<PAGE>


                                       37

                  (i) authorize or enter into any formal or informal agreement
         or otherwise make any commitment to do any of the foregoing.

                  SECTION 5.02. Conduct of Business by Bergen Pending the
Closing. Bergen agrees that, between the date of this Agreement and the
Effective Time, except as set forth in Section 5.02 of the Bergen Disclosure
Schedule or as expressly contemplated by any other provision of this Agreement,
unless IVAX shall otherwise agree in writing, which agreement shall not be
unreasonably withheld or delayed, (x) the respective businesses of Bergen and
the Bergen Subsidiaries shall be conducted only in, and Bergen and the Bergen
Subsidiaries shall not take any action except in, the ordinary course of
business consistent with past practice and (y) Bergen shall use its reasonable
efforts to keep available the services of such of the current officers,
significant employees and consultants of Bergen and the Bergen Subsidiaries and
to preserve the current relationships of Bergen and the Bergen Subsidiaries with
such of the customers, suppliers and other persons with which Bergen or any
Bergen Subsidiary has significant business relations as Bergen deems reasonably
necessary in order to preserve substantially intact its business organization.
By way of amplification and not limitation, except as set forth in Section 5.02
of the Bergen Disclosure Schedule or as expressly contemplated by any other
provision of this Agreement and the Bergen Stock Option Agreement, neither
Bergen nor any Bergen Subsidiary shall, between the date of this Agreement and
the Effective Time, directly or indirectly, do, or agree to do, any of the
following without the prior written consent of IVAX, which consent shall not be
unreasonably withheld or delayed:

                  (a) amend or otherwise change its Certificate of Incorporation
         or Bylaws or equivalent organizational documents;

                  (b) issue, sell, pledge, dispose of, grant, transfer, lease,
         license, guarantee or encumber, or authorize the issuance, sale,
         pledge, disposition, grant, transfer, lease, license or encumbrance of,
         (i) any shares of capital stock of Bergen or any Bergen Subsidiary of
         any class, or securities convertible into or exchangeable or
         exercisable for any shares of such capital stock, or any options,
         warrants or other rights of any kind to acquire any shares of such
         capital stock, or any other ownership interest (including, without
         limitation, any phantom interest), of Bergen or any Bergen Subsidiary
         (except for the issuance of (A) a maximum of 1,889,426 shares of Bergen
         Common Stock issuable pursuant to the Bergen Stock Options outstanding
         on the date of this Agreement and the issuance, in the ordinary course
         of business, consistent with past practices and on terms no more
         favorable than customary prior grants, of Bergen Stock Options to
         acquire 561,105 shares of Bergen Common Stock and the shares of Bergen
         Common Stock issuable pursuant to such Bergen Stock Options, in
         accordance with the terms of the Bergen Stock Plans and (B) shares of
         Bergen Common Stock issuable as consideration for acquisitions
         permitted by clause (i) of paragraph (c) of this Section 5.02); or (ii)
         any property or assets of Bergen or any Bergen Subsidiary,



<PAGE>


                                       38

         except in the ordinary course of business and in a manner consistent
         with past practice or in an aggregate amount not in excess of
         $50,000,000;

                  (c) (i) acquire (including, without limitation, by merger,
         consolidation or acquisition of stock or assets) any interest in any
         corporation, partnership, other business organization or person or any
         division thereof or any assets, other than acquisitions of assets
         (excluding the acquisition of a business or substantially all of the
         stock or assets thereof) in the ordinary course of business consistent
         with past practice, and any acquisitions for consideration, calculated
         as of the date of execution of the definitive agreement for any such
         acquisition, that is not, in the aggregate for all such acquisitions,
         in excess of $15,000,000; (ii) incur any indebtedness for borrowed
         money or issue any debt securities or assume, guarantee or endorse, or
         otherwise as an accommodation become responsible for, the obligations
         of any person for borrowed money, except for (A) indebtedness for
         borrowed money incurred in the ordinary course of business and
         consistent with past practice or incurred to refinance outstanding
         indebtedness for borrowed money existing on the date of this Agreement,
         (B) other indebtedness for borrowed money with a maturity of not more
         than one year in a principal amount not, in the aggregate, in excess of
         $50,000,000 or (C) indebtedness for borrowed money incurred to finance
         acquisitions permitted by clause (i) of this paragraph (c); (iii)
         terminate, cancel or request any material change in, or agree to any
         material change in, any Bergen Material Contract or enter into any
         contract or agreement material to the business, results of operations
         or financial condition of Bergen and the Bergen Subsidiaries taken as a
         whole, in either case other than in the ordinary course of business,
         consistent with past practice; (iv) make or authorize any capital
         expenditure, other than capital expenditures in the ordinary course of
         business consistent with past practice that are not, in the aggregate,
         in excess of $100,000,000 for Bergen and the Bergen Subsidiaries taken
         as a whole; or (v) enter into or amend any contract, agreement,
         commitment or arrangement that, if fully performed, would not be
         permitted under this Section 5.02(c);

                  (d) declare, set aside, make or pay any dividend or other
         distribution, payable in cash, stock, property or otherwise, with
         respect to any of its capital stock, except (i) for any dividends not
         in excess of $.12 per share of Bergen Common Stock for any calendar
         quarter and (ii) that any Bergen Subsidiary may pay dividends or make
         other distributions to Bergen or any other Bergen Subsidiary;

                  (e) reclassify, combine, split, subdivide or redeem, purchase
         or otherwise acquire, directly or indirectly, any of its capital stock;

                  (f) increase the compensation payable or to become payable to
         its officers or employees, except for increases in accordance with past
         practices in salaries or wages of employees or officers of Bergen or
         any Bergen Subsidiary, or grant any



<PAGE>


                                       39

         rights to severance or termination pay to, or enter into any employment
         or severance agreement which provides benefits upon a change in control
         of Bergen that would be triggered by the Reorganization with, any
         director, officer or other employee of Bergen or any Bergen Subsidiary
         who is not currently entitled to such benefits upon the Reorganization,
         or establish, adopt, enter into or amend any collective bargaining,
         bonus, profit sharing, thrift, compensation, stock option, restricted
         stock, pension, retirement, deferred compensation, employment,
         termination, severance or other plan, agreement, trust, fund, policy or
         arrangement for the benefit of any director, officer or employee of
         Bergen or any Bergen Subsidiary, except to the extent required by
         applicable Law or the terms of a collective bargaining agreement;

                  (g) take any action with respect to accounting policies or
         procedures, other than actions in the ordinary course of business and
         consistent with past practice or as required by U.S. GAAP;

                  (h) make any tax election or settle or compromise any material
         federal, state or local United States income tax liability, or any
         income tax liability of any other jurisdiction, other than those made
         in the ordinary course of business consistent with past practice and
         those for which specific reserves have been recorded on the
         consolidated balance sheet of Bergen and the consolidated Bergen
         Subsidiaries dated as of September 30, 1995 included in the 1995 Bergen
         10-K and only to the extent of such reserves; or

                  (i) authorize or enter into any formal or informal agreement
         or otherwise make any commitment to do any of the foregoing.

                  SECTION 5.03. Cooperation; Steering Committee. Upon the
execution and delivery of this Agreement, Bergen and IVAX shall establish a
committee (the "Steering Committee") for the purpose of, to the extent permitted
by applicable Laws, facilitating the efficient combination of the respective
businesses of Bergen and IVAX as promptly as practicable following the Effective
Time. The Steering Committee shall consist of the following individuals: Robert
E. Martini, Dr. Phillip Frost, Donald R. Roden, Neil F. Dimick and Richard C.
Pfenniger, Jr. The Steering Committee shall be dissolved as of the Effective
Time.

                  SECTION 5.04. Notices of Certain Events. Each of Bergen and
IVAX shall give prompt notice to the other of (i) any notice or other
communication from any person alleging that the consent of such person is or may
be required in connection with the Mergers; (ii) any notice or other
communication from any Governmental Entity in connection with the Mergers; (iii)
any actions, suits, claims, investigations or proceedings commenced or, to its
knowledge, threatened against, relating to or involving or otherwise affecting
Bergen, IVAX, the Bergen Subsidiaries or the IVAX Subsidiaries that relate to
the



<PAGE>


                                       40

consummation of the Mergers; (iv) the occurrence of a default or event that,
with the giving of notice or lapse of time or both, will become a default under
any IVAX Material Contract or Bergen Material Contract; and (v) any change that
is reasonably likely to result in an IVAX Material Adverse Effect or a Bergen
Material Adverse Effect or is reasonably likely to delay or impede the ability
of either IVAX or Bergen to perform its respective obligations pursuant to this
Agreement, the IVAX Stock Option Agreement or the Bergen Stock Option Agreement,
as the case may be, and to effect the consummation of the Mergers.

                  SECTION 5.05. Access to Information; Confidentiality. (a)
Except as required pursuant to any confidentiality agreement or similar
agreement or arrangement to which Bergen or IVAX or any of the Bergen
Subsidiaries or the IVAX Subsidiaries is a party or pursuant to applicable Law
or the regulations or requirements of any stock exchange or other regulatory
organization with whose rules a party hereto is required to comply, from the
date of this Agreement to the Effective Time, Bergen and IVAX shall (and shall
cause the Bergen Subsidiaries and the IVAX Subsidiaries, respectively, to): (i)
provide to the other (and its officers, directors, employees, accountants,
consultants, legal counsel, agents and other representatives (collectively,
"Representatives")) access at reasonable times upon prior notice to its and its
Subsidiaries' officers, employees, agents, properties, offices and other
facilities and to the books and records thereof (including, without limitation,
for the purpose of conducting Phase I and, upon its consent (which consent shall
not be unreasonably withheld), Phase II environmental assessments (at the sole
cost and expense of the party conducting such assessments)), and (ii) furnish
promptly such information concerning its and its Subsidiaries' business,
properties, contracts, assets, liabilities and personnel as the other party or
its Representatives may reasonably request. No investigation conducted pursuant
to this Section 5.05 shall affect or be deemed to modify any representation or
warranty made in this Agreement.

                  (b) The parties hereto shall comply with, and shall cause
their respective Representatives to comply with, all of their respective
obligations under the Confidentiality Agreement dated September 18, 1996 (the
"Confidentiality Agreement") between Bergen and IVAX with respect to the
information disclosed pursuant to this Section 5.05.

                  SECTION 5.06. No Solicitation of Transactions. (a) Each party
to this Agreement shall not, directly or indirectly, and shall instruct its
officers, directors, employees, subsidiaries, agents or advisors or other
representatives (including, without limitation, any investment banker, attorney
or accountant retained by it), not to, directly or indirectly, solicit, initiate
or knowingly encourage (including by way of furnishing nonpublic information),
or take any other action knowingly to facilitate, any inquiries or the making of
any proposal or offer (including, without limitation, any proposal or offer to
its shareholders) that constitutes, or may reasonably be expected to lead to,
any Competing Transaction, or enter into or maintain or continue discussions or
negotiate with any person in furtherance of such inquiries or to obtain a
Competing Transaction, or agree to or endorse any Competing



<PAGE>


                                       41

Transaction, or authorize or permit any of the officers, directors or employees
of such party or any of its subsidiaries, or any investment banker, financial
advisor, attorney, accountant or other representative retained by such party or
any of such party's subsidiaries, to take any such action; provided, however,
that nothing contained in this Section 5.06 shall prohibit the Board of
Directors of Bergen or IVAX from furnishing information to, or entering into
discussions or negotiations with, any person in connection with an unsolicited
(from the date of this Agreement) proposal by such person to acquire such party
pursuant to a merger, consolidation, share exchange, tender offer, exchange
offer, business combination or other similar transaction or to acquire all or
substantially all of the assets of such party or any of its subsidiaries, if,
and only to the extent that, (i) such Board of Directors, after consultation
with outside legal counsel (which may include its regularly engaged outside
legal counsel), determines in good faith that such action is required for such
Board of Directors to comply with its duties to its shareholders imposed by
applicable Law and (ii) prior to furnishing such information to, or entering
into discussions or negotiations with, such person, such party uses all
reasonable efforts to obtain from such person an executed confidentiality
agreement on terms no less favorable to IVAX or Bergen, as the case may be, than
those contained in the Confidentiality Agreement. Each party hereto shall notify
the other parties hereto promptly if any proposal or offer, or any inquiry or
contact with any person with respect thereto, regarding a Competing Transaction
is made. Each party hereto immediately shall cease and cause to be terminated
all existing discussions or negotiations with any parties conducted heretofore
with respect to a Competing Transaction. Each party hereto agrees not to release
any third party from, or waive any provision of, any confidentiality or
standstill agreement to which it is a party.

                  (b) A "Competing Transaction" means any of the following
involving Bergen or IVAX, as the case may be (other than the Mergers
contemplated by this Agreement): (i) a merger, consolidation, share exchange,
business combination or other similar transaction, (ii) any sale, lease,
exchange, transfer or other disposition of 15 percent or more of the assets of
such party and its subsidiaries, taken as a whole, (iii) a tender offer or
exchange offer for 15 percent or more of the outstanding voting securities of
such party, or (iv) any solicitation in opposition to either the IVAX
Shareholders' Approval or the Bergen Shareholders' Approval.

                  SECTION 5.07. Pooling. From and after the date of this
Agreement, none of the parties hereto, or any of their respective subsidiaries
or other affiliates, shall knowingly take any action, or knowingly fail to take
any action, other than actions which such party is required to take or abstain
from taking pursuant to this Agreement or the Ancillary Agreements, which action
or failure to act is reasonably likely to jeopardize the treatment of each
Merger as a "pooling of interests" for accounting purposes. From and after the
date of this Agreement, each of the parties hereto shall take all reasonable
actions necessary to cause each Merger to be characterized as a pooling of
interests for accounting purposes.




<PAGE>


                                       42

                  SECTION 5.08. Letters of Accountants. Each of IVAX and Bergen
shall use all reasonable efforts to cause to be delivered to the other a
"comfort" letter of each of Arthur Andersen and Deloitte & Touche, respectively,
each such letter dated and delivered as of the date the Registration Statement
shall have become effective and as of the Effective Time, and addressed to
Bergen and IVAX, respectively, in form and substance reasonably satisfactory to
the recipient thereof and reasonably customary in scope and substance for
letters delivered by independent public accountants in connection with mergers
such as those contemplated by this Agreement.

                  SECTION 5.09. Plan of Reorganization. This Agreement is
intended to constitute a "plan of reorganization" within the meaning of Section
1.368-2(g) of the income tax regulations promulgated under the Code. From and
after the date of this Agreement, each party hereto shall use all reasonable
efforts to cause the Mergers to qualify, and shall not, without the prior
written consent of the other parties hereto, knowingly take any actions or cause
any actions to be taken which could prevent the Mergers from qualifying as
reorganizations under the provisions of Section 368(a) of the Code. In the event
that the Mergers shall fail to qualify as reorganizations under the provisions
of Section 368(a) of the Code, then the parties hereto agree to negotiate in
good faith to restructure the Mergers in order that they shall qualify as
tax-free transactions under the Code. Following the Effective Time, and
consistent with any such consent, neither of the Surviving Corporations, IVAX,
Bergen, BBI nor any of their affiliates shall knowingly take any action or
knowingly cause any action to be taken which would cause the Mergers to fail to
qualify as reorganizations under Section 368(a) of the Code.

                  SECTION 5.10. Subsequent Financial Statements. Prior to the
Effective Time, each of IVAX and Bergen (a) shall consult with the other prior
to making publicly available its financial results for any period and (b) shall
consult with the other prior to the filing of, and shall timely file with the
SEC, each Annual Report on Form 10-K, Quarterly Report on Form 10-Q and Current
Report on Form 8-K required to be filed by such party under the Exchange Act and
the rules and regulations promulgated thereunder and shall promptly deliver to
the other copies of each such report filed with the SEC.

                  SECTION 5.11. Control of Operations. Nothing contained in this
Agreement shall give Bergen, directly or indirectly, the right to control or
direct the operations of IVAX and the IVAX Subsidiaries prior to the Effective
Time. Nothing contained in this Agreement shall give IVAX, directly or
indirectly, the right to control or direct the operations of Bergen and the
Bergen Subsidiaries prior to the Effective Time. Prior to the Effective Time,
each of Bergen and IVAX shall exercise, consistent with the terms and conditions
of this Agreement, complete control and supervision over its respective
operations.

                  SECTION 5.12. Further Action; Consents; Filings. Upon the
terms and subject to the conditions hereof, each of the parties hereto shall use
all reasonable efforts to



<PAGE>


                                       43

(i) take, or cause to be taken, all appropriate action, and do, or cause to be
done, all things necessary, proper or advisable under applicable Law or
otherwise to consummate and make effective the Mergers, (ii) obtain from
Governmental Entities any consents, licenses, permits, waivers, approvals,
authorizations or orders required to be obtained or made by Bergen, IVAX, BBI or
the Surviving Corporations or any of their subsidiaries in connection with the
authorization, execution and delivery of this Agreement and the consummation of
the Mergers and (iii) make all necessary filings, and thereafter make any other
required or appropriate submissions, with respect to this Agreement and the
Mergers required under (A) the rules and regulations of AMEX or the NYSE, (B)
the Securities Act, the Exchange Act and any other applicable federal or state
securities Laws, (C) the HSR Act, (D) the New Jersey Industrial Site Recovery
Act and (E) any other applicable Law. The parties hereto shall cooperate and
consult with each other in connection with the making of all such filings,
including by providing copies of all such documents to the nonfiling parties and
their advisors prior to filing, and none of the parties shall file any such
document if any of the other parties shall have reasonably objected to the
filing of such document. No party shall consent to any voluntary extension of
any statutory deadline or waiting period or to any voluntary delay of the
consummation of the Mergers at the behest of any Governmental Entity without the
consent and agreement of the other parties hereto, which consent shall not be
unreasonably withheld or delayed.


                                   ARTICLE VI

                              ADDITIONAL AGREEMENTS

                  SECTION 6.01. Registration Statement; Joint Proxy Statement.
(a) As promptly as practicable after the execution of this Agreement, Bergen and
IVAX shall jointly prepare and IVAX and Bergen shall file with the SEC a
document or documents that will constitute (i) the prospectus forming part of
the registration statement on Form S-4 of BBI (together with all amendments
thereto, the "Registration Statement"), in connection with the registration
under the Securities Act of (A) the BBI Common Stock to be issued to IVAX's
shareholders pursuant to the IVAX Merger and (B) the BBI Common Stock to be
issued to Bergen's shareholders pursuant to the Bergen Merger, and (ii) the
Joint Proxy Statement with respect to the Mergers relating to the special
meeting of each of IVAX's shareholders (the "IVAX Shareholders' Meeting") and
Bergen's shareholders (the "Bergen Shareholders' Meeting" and, together with the
IVAX Shareholders' Meeting, the "Shareholders' Meetings") to be held to consider
approval of this Agreement and the Mergers contemplated hereby (such document,
together with any amendments thereto, the "Joint Proxy Statement"). Copies of
the Joint Proxy Statement shall be provided to AMEX and the NYSE in accordance
with the rules of such exchanges. Each of the parties hereto shall use all
reasonable efforts to cause the Registration Statement to become effective as
promptly as practicable, and, prior to the effective date of the Registration
Statement, the parties hereto



<PAGE>


                                       44

shall take all action required under any applicable Laws in connection with the
issuance of shares of BBI Common Stock pursuant to the Mergers. Bergen or IVAX,
as the case may be, shall furnish all information concerning Bergen or IVAX as
the other party may reasonably request in connection with such actions and the
preparation of the Registration Statement and Joint Proxy Statement. As promptly
as practicable after the effective date of the Registration Statement, the Joint
Proxy Statement shall be mailed to the shareholders of Bergen and IVAX. Each of
the parties hereto shall cause the Joint Proxy Statement to comply as to form
and substance in all material respects with the applicable requirements of (i)
the Exchange Act, (ii) AMEX and the NYSE, (iii) the Securities Act and (iv) the
FBCA, the NJBCA and the DGCL.

                  (b) (i) The Joint Proxy Statement shall include the adoption
of the Mergers and recommendation of the Board of Directors of IVAX to IVAX's
shareholders that they vote in favor of approval of this Agreement and the
Mergers contemplated hereby; provided, however, that the Board of Directors of
IVAX may, at any time prior to the Effective Time, withdraw, modify or change
any such recommendation to the extent that the Board of Directors of IVAX
determines in good faith, after consultation with outside legal counsel (who may
be IVAX's regularly engaged outside legal counsel), that such withdrawal,
modification or change of its recommendation is required by its fiduciary duties
to IVAX's shareholders under applicable Law, and prior to such determination any
person (other than Bergen) shall have made a public announcement or otherwise
communicated to IVAX with respect to a Competing Transaction that, as determined
by the Board of Directors of IVAX in good faith after consultation with its
outside legal counsel (who may be its regularly retained outside counsel) and
financial advisors, contains terms more favorable to the shareholders of IVAX
than those provided for in the Reorganization. In addition, the Joint Proxy
Statement shall include the opinion of Lehman Brothers referred to in Section
3.18.

                  (ii) The Joint Proxy Statement shall include the approval of
the Mergers and recommendation of the Board of Directors of Bergen to Bergen's
shareholders that they vote in favor of approval of this Agreement and the
Mergers contemplated hereby; provided, however, that the Board of Directors of
Bergen may, at any time prior to the Effective Time, withdraw, modify or change
any such recommendation to the extent that the Board of Directors of Bergen
determines in good faith, after consultation with outside legal counsel (who may
be Bergen's regularly engaged outside legal counsel), that such withdrawal,
modification or change of its recommendation is required by its fiduciary duties
to Bergen's shareholders under applicable Law, and prior to such determination
any person (other than IVAX) shall have made a public announcement or otherwise
communicated to Bergen with respect to a Competing Transaction that, as
determined by the Board of Directors of Bergen after consultation with its
outside legal counsel (who may be its regularly retained outside counsel) and
financial advisors, contains terms more favorable to the shareholders of Bergen
than those provided for in the Reorganization. In addition, the Joint Proxy
Statement shall include the opinion of Merrill Lynch referred to in Section
4.18.



<PAGE>


                                       45


                  (c) No amendment or supplement to the Joint Proxy Statement or
the Registration Statement shall be made without the approval of Bergen and
IVAX, which approval shall not be unreasonably withheld or delayed. Each of the
parties hereto shall advise the other parties hereto, promptly after it receives
notice thereof, of the time when the Registration Statement has become effective
or any supplement or amendment has been filed, of the issuance of any stop
order, of the suspension of the qualification of the BBI Common Stock issuable
in connection with the Mergers for offering or sale in any jurisdiction, or of
any request by the SEC, AMEX or the NYSE for amendment of the Joint Proxy
Statement or the Registration Statement or comments thereon and responses
thereto or requests by the SEC for additional information.

                  (d) The information supplied by IVAX for inclusion in the
Registration Statement and the Joint Proxy Statement shall not, at (i) the time
the Registration Statement is filed with the SEC, (ii) if different, the time
the Registration Statement is declared effective, (iii) the time the Joint Proxy
Statement (or any amendment thereof or supplement thereto) is first mailed to
the shareholders of IVAX and Bergen, (iv) the time of the IVAX Shareholders'
Meeting, (v) the time of the Bergen Shareholders' Meeting and (vi) the Effective
Time, contain any untrue statement of a material fact or omit to state any
material fact required to be stated therein or necessary in order to make the
statements therein, in light of the circumstances under which they were made,
not misleading. If at any time prior to the Effective Time any event or
circumstance relating to IVAX or any IVAX Subsidiary, or their respective
officers or directors, should be discovered by IVAX that should be set forth in
an amendment or a supplement to the Registration Statement or Joint Proxy
Statement, IVAX shall promptly inform Bergen. All documents that IVAX is
responsible for filing with the SEC in connection with the Mergers will comply
as to form in all material respects with the applicable requirements of AMEX,
the NYSE, the NJBCA, the FBCA, the DGCL, the Securities Act and the Exchange
Act.

                  (e) The information supplied by Bergen for inclusion in the
Registration Statement and the Joint Proxy Statement shall not, at (i) the time
the Registration Statement is filed with the SEC, (ii) if different, the time
the Registration Statement is declared effective, (iii) the time the Joint Proxy
Statement (or any amendment thereof or supplement thereto) is first mailed to
the shareholders of Bergen and IVAX, (iv) the time of the IVAX Shareholders'
Meeting, (v) the time of the Bergen Shareholders' Meeting and (vi) the Effective
Time, contain any untrue statement of a material fact or omit to state any
material fact required to be stated therein or necessary in order to make the
statements therein, in light of the circumstances under which they were made,
not misleading. If, at any time prior to the Effective Time, any event or
circumstance relating to Bergen or any Bergen Subsidiary, or their respective
officers or directors, should be discovered by Bergen that should be set forth
in an amendment or a supplement to the Registration Statement or Joint Proxy
Statement, Bergen shall promptly inform IVAX. All documents that Bergen is
responsible for filing with the SEC in connection with the Mergers will comply
as to form in



<PAGE>



                                       46

all material respects with the applicable requirements of AMEX, the NYSE, the
NJBCA, the FBCA, the DGCL, the Securities Act and the Exchange Act.

                  SECTION 6.02. Shareholders' Meetings. IVAX shall call and hold
the IVAX Shareholders' Meeting and Bergen shall call and hold the Bergen
Shareholders' Meeting as promptly as practicable for the purpose of voting upon
the approval of this Agreement pursuant to the Joint Proxy Statement and the
Mergers contemplated hereby, and each of Bergen and IVAX shall use its
reasonable efforts to hold the Shareholders' Meetings on the same day and as
soon as practicable after the date on which the Registration Statement becomes
effective. IVAX shall use its reasonable efforts to solicit from its
shareholders proxies in favor of the approval of this Agreement and the Mergers
contemplated hereby pursuant to the Joint Proxy Statement and shall take all
other action necessary or advisable to secure the vote or consent of
shareholders required by the FBCA or applicable stock exchange requirements to
obtain such approval, except to the extent that the Board of Directors of IVAX
determines in good faith after consultation with outside legal counsel (who may
be IVAX's regularly engaged outside legal counsel) that the withdrawal,
modification or change of its recommendation is required by its fiduciary duties
to IVAX's shareholders under applicable Law, and prior to such determination any
person (other than Bergen) shall have made a public announcement or otherwise
communicated to IVAX with respect to a Competing Transaction that, as determined
by the Board of Directors of IVAX in good faith after consultation with its
outside legal counsel (who may be its regularly retained outside counsel) and
financial advisors, contains terms more favorable to the shareholders of IVAX
than those provided for in the Reorganization. Bergen shall use its reasonable
efforts to solicit from its shareholders proxies in favor of the approval of
this Agreement and the Mergers contemplated hereby pursuant to the Joint Proxy
Statement, and shall take all other action necessary or advisable to secure the
vote or consent of shareholders required by the NJBCA or applicable stock
exchange requirements to obtain such approval, except to the extent that the
Board of Directors of Bergen determines in good faith after consultation with
outside legal counsel (who may be Bergen's regularly engaged outside legal
counsel) that the withdrawal, modification or change of its recommendation is
required by its fiduciary duties to Bergen's shareholders under applicable Law,
and prior to such determination any person (other than IVAX) shall have made a
public announcement or otherwise communicated to Bergen with respect to a
Competing Transaction that, as determined by the Board of Directors of Bergen in
good faith after consultation with its outside legal counsel (who may be its
regularly retained outside counsel) and financial advisors, contains terms more
favorable to the shareholders of Bergen than those provided for in the
Reorganization. Each of the parties hereto shall take all other action necessary
or, in the opinion of the other parties hereto, advisable to promptly and
expeditiously secure any vote or consent of shareholders required by applicable
Law and such party's Certificate or Articles of Incorporation and Bylaws to
effect the Mergers.




<PAGE>


                                       47

                  SECTION 6.03. Employee Benefits Matters. (a) Except as
otherwise provided herein, each of the IVAX Benefit Plans and the Bergen Benefit
Plans in effect as of the Effective Time shall be maintained in effect with
respect to the employees or former employees of IVAX and the IVAX Subsidiaries,
on the one hand, and of Bergen and the Bergen Subsidiaries, on the other hand,
respectively, who are covered by such benefit plans immediately prior to the
Closing Date until BBI otherwise determines after the Effective Time; provided,
however, that nothing contained herein shall limit any reserved right in any
such IVAX Benefit Plan or Bergen Benefit Plan, as the case may be, to amend,
modify, suspend, revoke or terminate any such plan. Bergen and IVAX shall
discuss in good faith the advisability of amending any Bergen Benefit Plan or
IVAX Benefit Plan providing benefits upon a "change of control", to the extent
such amendment would be permitted by applicable Law.

                  (b) Prior to the Effective Time, the Steering Committee shall
develop short- and long-term incentive compensation arrangements for BBI which
are to be implemented after the Effective Time and make appropriate adjustments,
if any, to the performance goals, target awards and any other relevant criteria
under the incentive compensation plans of IVAX and Bergen that are in effect as
of the Effective Time to take the Reorganization into account. In addition, the
Steering Committee shall conduct a review of IVAX's and Bergen's respective
benefit plans following the execution of this Agreement in order to coordinate
the provision of benefits after the Effective Time and to eliminate duplicative
benefits, including, without limitation, through the establishment by BBI of
replacement benefit plans (the "BBI Replacement Plans"). Each participant in any
IVAX Benefit Plan or Bergen Benefit Plan that is replaced by an BBI Replacement
Plan shall receive credit for purposes of eligibility to participate, vesting,
benefit accrual and eligibility to receive benefits under any BBI Replacement
Plan for service credited for the corresponding purpose under such benefit plan;
provided, however, that such crediting of service shall not operate to duplicate
any benefit to any such participant of the funding of any such benefit.

                  (c) At the Effective Time, IVAX and Bergen shall cause BBI to
establish an omnibus stock incentive plan and a long-term bonus plan with terms
to be determined by the Steering Committee prior to the mailing of the Joint
Proxy Statement.

                  (d) With respect to any IVAX Benefit Plan, Bergen Benefit Plan
or benefit plan of BBI under which the delivery of IVAX Common Stock, Bergen
Common Stock or BBI Common Stock, as the case may be, is required upon payment
of benefits, grant of awards or exercise of options (the "Stock Plans"), BBI
shall take all corporate action necessary or appropriate to (i) obtain
shareholder approval with respect to such plan to the extent such approval is
required for purposes of the Code or other applicable law, or to enable such
plan to comply with Rule 16b-3 promulgated under the Exchange Act, (ii) reserve
for issuance under such plan or otherwise provide a sufficient number of shares
of



<PAGE>


                                       48

BBI Common Stock for delivery upon payment of benefits, grant of awards or
exercise of options under such plan and (iii) as soon as practicable after the
Effective Time, file registration statements on Form S-3 or Form S-8, as
appropriate (or any successor or other appropriate forms), with respect to the
shares of BBI Common Stock subject to such plan to the extent such registration
statement is required under applicable law, and BBI shall use its best efforts
to maintain the effectiveness of such registration statements (and maintain the
current status of the prospectuses contained therein) for so long as such
benefits and grants remain payable and such options remain outstanding. With
respect to those individuals who subsequent to the Mergers will be subject to
the reporting requirements under Section 16(a) of the Exchange Act, BBI shall
administer the Stock Plans, where applicable, in a manner that complies with
Rule 16b-3 promulgated under the Exchange Act.

                  (e) With respect to any IVAX Benefit Plans or Bergen Benefit
Plans maintained or contributed to outside the United States for the benefit of
non-United States citizens or residents, the principles set forth in this
Section 6.03 shall apply to the extent the application of such principles does
not violate applicable foreign law.

                  (f) Without limiting the applicability of the foregoing or of
Sections 2.08 and 2.09 hereof, each of the parties hereto shall take all actions
as are necessary to ensure that IVAX and Bergen shall not be, at the Effective
Time, bound by any options, stock appreciation rights, warrants or other rights
or agreements which would entitle any person, other than BBI, to own any capital
stock of the Surviving Corporations or to receive any payment in respect
thereof, and all IVAX Benefit Plans and Bergen Benefit Plans conferring any
rights with respect to Shares or other capital stock of IVAX or Bergen, as the
case may be, shall be deemed hereby to be amended to be in conformity with this
Section 6.03.

                  SECTION 6.04. Executive Officers. At the Effective Time,
subject to the Bylaws of BBI, (i) Dr. Phillip Frost and Robert E. Martini shall
hold the positions of Co-Chairmen of BBI and (ii) Donald R. Roden shall hold the
position of President and Chief Executive Officer of BBI. If any of such persons
is unable or unwilling to hold such offices as set forth above, his successor
shall be selected by the Board of Directors of BBI in accordance with its
Bylaws.

                  SECTION 6.05. Pooling Affiliates. (a) Not less than 45 days
prior to the Effective Time, IVAX shall deliver to Bergen a list of names and
addresses of those persons, in IVAX's reasonable judgment, at the record date
for the IVAX Shareholders' Meeting at which the Mergers were approved, who were
Pooling Affiliates of IVAX. IVAX shall provide Bergen such information and
documents as Bergen shall reasonably request for purposes of reviewing such
list. IVAX shall use its reasonable efforts to deliver or cause to be delivered
to Bergen, prior to the Effective Time, an affiliate letter in the form attached
hereto as Exhibit 6.05(a) (the "IVAX Affiliate Letter"), executed by each of the
Pooling Affiliates of IVAX identified in the above-referenced list. The
foregoing notwithstanding,



<PAGE>


                                       49

BBI shall be entitled to place legends as specified in the IVAX Affiliate Letter
on the certificates evidencing any of the BBI Common Stock to be received by (i)
any Pooling Affiliate of IVAX or (ii) any person Bergen reasonably identifies
(by written notice to IVAX) as being a person who may be deemed an "affiliate"
within the meaning of Rule 145 of the rules and regulations of the Securities
Act or applicable SEC accounting releases with respect to pooling-of-interests
accounting treatment, pursuant to the terms of this Agreement, and to issue
appropriate stop transfer instructions to the transfer agent for the BBI Common
Stock, consistent with the terms of the IVAX Affiliate Letter, regardless of
whether such person has executed the IVAX Affiliate Letter and regardless of
whether such person's name and address appear on Section 3.16 of the IVAX
Disclosure Schedules.

                  (b) Not less than 45 days prior to the Effective Time, Bergen
shall deliver to IVAX a list of names and addresses of those persons who were,
in Bergen's reasonable judgment, at the record date for the Bergen Shareholders'
Meeting at which the issuance of the Bergen Common Stock in the Mergers were
approved, Pooling Affiliates of Bergen. Bergen shall provide IVAX such
information and documents as IVAX shall reasonably request for purposes of
reviewing such list. Bergen shall use its reasonable efforts to deliver or cause
to be delivered to IVAX, prior to the Effective Time, an affiliate letter in the
form attached hereto as Exhibit 6.05(b) (the "Bergen Affiliate Letter"),
executed by each of the Pooling Affiliates of Bergen identified in the
above-referenced list. The foregoing notwithstanding, BBI shall be entitled to
place legends as specified in the Bergen Affiliate Letter on the certificates
evidencing any of the BBI Common Stock to be received by (i) any Pooling
Affiliate of Bergen or (ii) any person IVAX reasonably identifies (by written
notice to Bergen) as being a person who may be deemed an "affiliate" within the
meaning of Rule 145 of the rules and regulations of the Securities Act or
applicable SEC accounting releases with respect to pooling of interests
accounting treatment, pursuant to the terms of this Agreement, and to issue
appropriate stop transfer instructions to the transfer agent for the BBI Common
Stock, consistent with the terms of the Bergen Affiliate Letter, regardless of
whether such person has executed the Bergen Affiliate Letter and regardless of
whether such person's name and address appear on Section 4.16 of the Bergen
Disclosure Schedules.

                  SECTION 6.06. Assumption of Debt. With respect to the IVAX
Subordinated Notes issued by IVAX under an indenture qualified under the Trust
Indenture Act of 1939 (the "IVAX Indenture"), if required by the IVAX Indenture,
BBI shall execute and deliver to the trustee under the IVAX Indenture a
supplemental indenture, in form satisfactory to the trustee, expressly assuming
the obligations of IVAX with respect to the due and punctual payment of the
principal of (and premium, if any) and interest on the IVAX Subordinated Notes
and the due and punctual performance of all the terms, covenants and conditions
of the IVAX Indentures to be kept or performed by IVAX, and shall deliver such
supplemental indenture to the trustee under the IVAX Indenture. Holders of the
IVAX Subordinated Notes who convert after the Effective Time shall be entitled
to receive BBI Common Stock based on a ratio determined in accordance with
Section 2.02(b).



<PAGE>


                                       50


                  SECTION 6.07. Directors' and Officers' Indemnification and
Insurance. (a) The Articles of Incorporation of IVAX, the Certificate of
Incorporation of Bergen and the Bylaws of IVAX and Bergen, as the case may be,
shall contain the provisions that are set forth, as of the date of this
Agreement, in the Articles of Incorporation of IVAX and the Certificate of
Incorporation of Bergen, respectively, and in the Bylaws of IVAX and Bergen, as
the case may be, which provisions shall not be amended, repealed or otherwise
modified for a period of six years from the Effective Time in any manner that
would affect adversely the rights thereunder of individuals who at or at any
time prior to the Effective Time were directors, officers, employees,
fiduciaries or agents of IVAX or Bergen, respectively.

                  (b) For a period of six years after the Effective Time, BBI
shall cause to be obtained and maintained in effect a noncancellable runoff
policy for the current directors' and officers' liability insurance policies
maintained by IVAX and Bergen with respect to claims arising from facts or
events that occurred prior to the Effective Time.

                  (c) This Section 6.07 is intended to be for the benefit of,
and shall be enforceable by, the indemnified parties, their heirs and personal
representatives and shall be binding on IVAX, Bergen and BBI and their
respective successors and assigns.

                  (d) Notwithstanding anything to the contrary contained herein,
BBI and each of the Surviving Corporations shall assume and perform all
obligations of each of IVAX and Bergen arising under any indemnification
agreement entered into prior to the date hereof between each of IVAX and Bergen
and certain officers and directors of IVAX and Bergen, respectively.

                  (e) From and after the Effective Time, BBI agrees that it
shall indemnify and hold harmless each present and former director and officer
of IVAX or Bergen, determined as of the Effective Time (the "Indemnified
Parties"), against any costs or expenses (including reasonable attorneys' fees),
judgments, fines, losses, claims, damages or liabilities (collectively, "Costs")
incurred in connection with any claim, action, suit, proceeding or
investigation, whether civil, criminal, administrative or investigative, arising
out of or pertaining to matters existing or occurring at or prior to the
Effective Time, whether asserted or claimed prior to, at or after the Effective
Time, to the fullest extent that IVAX or Bergen would have been permitted under
Florida or New Jersey law, as the case may be, and their charter documents (each
as in effect on the date hereof) to indemnify such Indemnified Parties (and BBI
shall also advance expenses as incurred to the fullest extent permitted under
applicable Law; provided, however, that the Indemnified Party to whom expenses
are advanced provides an undertaking to repay such advances if it is ultimately
determined pursuant to a final, non-appealable judgment by a court of competent
jurisdiction that such Indemnified Party is not entitled to indemnification).




<PAGE>


                                       51

                  (f) To the extent paragraph (e) shall not serve to indemnify
and hold harmless an Indemnified Party, for a period of six years after the date
hereof, BBI shall, subject to the terms set forth herein, indemnify and hold
harmless, to the fullest extent permitted under applicable Law (and BBI shall
also advance expenses as incurred to the fullest extent permitted under
applicable Law; provided, however, that the Indemnified Party to whom expenses
are advanced provides an undertaking to repay such advances if it is ultimately
determined that such Indemnified Party is not entitled to indemnification), each
Indemnified Party against any Costs incurred in connection with any claim,
action, suit, proceeding or investigation, whether civil, criminal,
administrative or investigative, arising out of or pertaining to the
transactions contemplated by this Agreement; provided further, however, that BBI
shall not be required to indemnify any Indemnified Party pursuant hereto if it
shall be determined that the Indemnified Party acted in bad faith and not in a
manner such Indemnified Party believed to be in or not opposed to the best
interests of IVAX or Bergen, as the case may be.

                  (g) Any Indemnified Party wishing to claim indemnification
under paragraph (e) or (f) of this Section 6.07, upon learning of any such
claim, action, suit, proceeding or investigation, shall promptly notify BBI
thereof, but the failure to so notify shall not relieve BBI of any liability it
may have to such Indemnified Party if such failure does not materially prejudice
BBI. In the event of any such claim, action, suit, proceeding or investigation
(whether arising before or after the Effective Time), (i) BBI shall have the
right to assume the defense thereof and BBI shall not be liable to such
Indemnified Parties for any legal expenses of other counsel or any other
expenses subsequently incurred by such Indemnified Parties in connection with
the defense thereof, except that if BBI elects not to assume such defense or
counsel for the Indemnified Parties advises that there are issues which raise
conflicts of interest between BBI and the Indemnified Parties, the Indemnified
Parties may retain counsel satisfactory to them, and BBI shall pay all
reasonable fees and expenses of such counsel for the Indemnified Parties
promptly as statements therefor are received; provided, however, that BBI shall
be obligated pursuant to this paragraph (f) to pay for only one firm of counsel
for all Indemnified Parties in any jurisdiction unless the use of one counsel
for such Indemnified Parties would present such counsel with a conflict of
interest, (ii) the Indemnified Parties shall cooperate in the defense of any
such matter and (iii) BBI shall not be liable for any settlement effected
without its prior written consent; and provided further, however, that BBI shall
not have any obligation hereunder to any Indemnified Party when and if a court
of competent jurisdiction shall ultimately determine, and such determination
shall have become final, that the indemnification of such Indemnified Party in
the manner contemplated hereby is prohibited by applicable Law. Notwithstanding
the foregoing, if such indemnity is not available with respect to any
Indemnified Party, then BBI and the Indemnified Party shall contribute to the
amount payable in such proportion as is appropriate to reflect relative faults
and benefits.




<PAGE>


                                       52

                  (h) If BBI or any of its successors or assigns (i) shall
consolidate with or merge into any other corporation or entity and shall not be
the continuing or surviving corporation or entity in such consolidation or
merger or (ii) shall transfer all or substantially all of its properties and
assets to any individual, corporation or other entity, then, and in each such
case, proper provisions shall be made so that the successors and assigns of BBI
shall assume all of the obligations set forth in this Section 6.07.

                  SECTION 6.08. No Shelf Registration. BBI shall not be required
to amend or maintain the effectiveness of the Registration Statement for the
purpose of permitting resale of the shares of BBI Common Stock received pursuant
hereto by the persons who may be deemed to be "affiliates" of IVAX or Bergen
within the meaning of Rule 145 promulgated under the Securities Act.

                  SECTION 6.09. Public Announcements. The initial press release
concerning the Reorganization shall be a joint press release and, thereafter,
Bergen and IVAX shall consult with each other before issuing any press release
or otherwise making any public statements with respect to this Agreement or the
Reorganization and shall not issue any such press release or make any such
public statement without the prior written approval of the other, except to the
extent required by applicable Law or the requirements of AMEX or the NYSE, as
applicable, in which case the issuing party shall use its reasonable efforts to
consult with the other party before issuing any such release or making any such
public statement.

                  SECTION 6.10. Dividends. (a) Each of IVAX and Bergen shall
coordinate with the other the declaration of, and the setting of record dates
and payment dates for, dividends on IVAX Shares and Bergen Shares so that
holders of IVAX Shares or Bergen Shares (i) do not receive dividends on both
IVAX Shares or Bergen Shares, as the case may be, and BBI Common Stock received
in connection with the Mergers in respect of any calendar quarter or (ii) fail
to receive a dividend on either IVAX Shares or Bergen Shares, as the case may
be, or BBI Common Stock received in connection with the Mergers in respect of
any calendar quarter.

                  (b) It is the intention of the parties hereto that the initial
quarterly dividend per share of BBI Common Stock be at least equal to $0.12,
subject to approval and declaration thereof by the Board of Directors of BBI.

                  SECTION 6.11. Headquarters. IVAX and Bergen agree that the
Restated Bylaws of BBI will provide that the corporate headquarters of BBI shall
be located in Miami, Florida for a period of not less than three years and that
such provision of the Restated Bylaws of BBI shall not be amended without the
affirmative vote of at least two-thirds of the total number of directors of BBI.




<PAGE>


                                       53

                  SECTION 6.12. Post-Merger BBI Board of Directors. At the
Effective Time, the total number of persons serving on the Board of Directors of
BBI shall be 17 (unless otherwise agreed in writing by IVAX and Bergen prior to
the Effective Time), eight of whom shall be IVAX Directors, eight of whom shall
be Bergen Directors and one of whom shall be the Chief Executive Officer of BBI.
At least three of each of the IVAX Directors and the Bergen Directors shall be
directors who are not employees of BBI, IVAX or Bergen. The persons to serve
initially on the Board of Directors of BBI at the Effective Time who are IVAX
Directors shall be selected solely by and at the absolute discretion of IVAX
prior to the Effective Time; and the persons to serve on the Board of Directors
of BBI at the Effective Time who are Bergen Directors shall be selected solely
by and at the absolute discretion of Bergen prior to the Effective Time. In the
event that, prior to the Effective Time, any person so selected to serve on the
Board of Directors of BBI is unable or unwilling to serve in such position, the
company that selected such person shall designate another person to serve in
such person's stead in accordance with provisions of the immediately preceding
sentence. From and after the Effective Time, the composition of the Board of
Directors shall be determined in accordance with the Certificate of
Incorporation and Bylaws of BBI. Notwithstanding the foregoing, IVAX and
Bergen, as the sole shareholders of BBI, agree that the initial directors of BBI
and the initial allocations of the directors among the three classes of
directors shall, at the Effective Time, be as follows: The Board of Directors
shall be divided into three classes, designated as Class I, Class II and Class
III. The initial directors of BBI shall allocate the directors among the three
classes as follows: (i) Class I shall consist of five directors, two of whom
shall be IVAX Continuing Directors, two of whom shall be Bergen Continuing
Directors and one of whom shall be the President and CEO of BBI; (ii) Class II
shall consist of six directors, three of whom shall be IVAX Continuing Directors
and three of whom shall be Bergen Continuing Directors; and (iii) Class III
shall consist of six directors, comprised of Mr. Robert E. Martini, Dr. Phillip
Frost, two other IVAX Continuing Directors and two other Bergen Continuing
Directors. Such directors shall serve as the directors of BBI from and after the
Effective Time in accordance with the Restated Certificate of Incorporation of
BBI until their successors are elected or appointed and qualified or until their
resignation or removal. The term "IVAX Director" means (i) any person serving as
a director of IVAX on the date hereof who becomes a director of BBI at the
Effective Time or any other designee selected by IVAX and (ii) any person who
becomes a Director of BBI pursuant to the second preceding sentence and who is
designated by the IVAX Directors; and the term "Bergen Director" means (i) any
person serving as a director of Bergen on the date hereof who becomes a director
of BBI at the Effective Time or any other designee selected by Bergen and (ii)
any person who becomes a director of BBI pursuant to the second preceding
sentence and who is designated by the Bergen Directors.

                  SECTION 6.13. Stock Exchange Listings. Each of the parties
hereto shall use its reasonable efforts to obtain, prior to the Effective Time,
the approval for listing on



<PAGE>


                                       54

the NYSE, effective upon official notice of issuance, of the shares of BBI
Common Stock into which the Shares will be converted pursuant to Article II
hereof and which will be issuable upon exercise of options pursuant to Section
2.08 hereof, under the ticker symbol "BIH" or other mutually acceptable ticker
symbol.

                  SECTION 6.14. Blue Sky. Each of the parties hereto shall use
all reasonable efforts to obtain prior to the Effective Time all necessary blue
sky permits and approvals required under Blue Sky Laws to permit the
distribution of the shares of BBI Common Stock to be issued in accordance with
the provisions of this Agreement.


                                   ARTICLE VII

                            CONDITIONS TO THE MERGERS

                  SECTION 7.01. Conditions to the Obligations of Each Party to
Consummate the Mergers. The obligations of the parties hereto to consummate the
Mergers, or to permit the consummation of the Mergers, are subject to the
satisfaction or, if permitted by applicable Law, waiver of the following
conditions:

                  (a) the Registration Statement shall have been declared
         effective by the SEC under the Securities Act and no stop order
         suspending the effectiveness of the Registration Statement shall have
         been issued by the SEC and no proceeding for that purpose shall have
         been initiated by the SEC and not concluded or withdrawn;

                  (b) each of this Agreement and the Mergers shall have been
         duly approved by the requisite vote of shareholders of each of IVAX and
         Bergen in accordance with the FBCA and the NJBCA, respectively;

                  (c) no court of competent jurisdiction shall have issued or
         entered any order, writ, injunction or decree, and no other
         Governmental Entity shall have issued any order, which is then in
         effect and has the effect of making either of the Mergers illegal or
         otherwise prohibiting their consummation;

                  (d) any waiting period (and any extension thereof) applicable
         to the consummation of the Reorganization under the HSR Act or any
         other applicable competition, merger control or similar Law shall have
         expired or been terminated;

                  (e) all consents, approvals and authorizations legally
         required to be obtained to consummate the Reorganization shall have
         been obtained from all Governmental Entities, except where the failure
         to obtain any such consent, approval or authorization would not result
         in a change in or have an effect on the business of IVAX or Bergen that
         is, or is reasonably likely to be, materially adverse to the business,
         assets (including intangible assets), liabilities (contingent or
         otherwise),



<PAGE>


                                       55

         condition (financial or otherwise) or results of operations of BBI and
         its respective subsidiaries, taken as a whole;

                  (f) each of Arthur Andersen and Deloitte & Touche, as the
         independent public accountants of IVAX and Bergen, respectively, shall
         have issued an opinion, addressed to each of Bergen and IVAX,
         respectively, that the Mergers will qualify for "pooling of interests"
         accounting treatment under applicable United States accounting rules,
         including, without limitation, applicable SEC accounting standards; and

                  (g) the shares of BBI Common Stock into which the Shares will
         be converted pursuant to Article II hereof and the shares of BBI Common
         Stock issuable upon the exercise of options pursuant to Section 2.08
         hereof shall have been authorized for listing on the NYSE, subject to
         official notice of issuance.

                  SECTION 7.02. Conditions to the Obligations of IVAX. The
obligations of IVAX to consummate the IVAX Merger, or to permit the consummation
of the IVAX Merger, are subject to the satisfaction or, if permitted by
applicable Law, waiver of the following further conditions:

                  (a) each of the representations and warranties of Bergen
         contained in this Agreement that is qualified by materiality shall be
         true and correct on and as of the Effective Time as if made at and as
         of the Effective Time (other than representations and warranties which
         address matters only as of a certain date which shall be true and
         correct as of such certain date) and each of the representations and
         warranties that is not so qualified shall be true and correct in all
         material respects on and as of the Effective Time as if made at and as
         of the Effective Time (other than representations and warranties which
         address matters only as of a certain date which shall be true and
         correct in all material respects as of such certain date), in each case
         except as contemplated or permitted by this Agreement, and IVAX shall
         have received a certificate of the Chairman or President and Chief
         Financial Officer of Bergen to such effect;

                  (b) Bergen shall have performed or complied in all material
         respects with all material agreements and covenants required by this
         Agreement to be performed or complied with by it on or prior to the
         Effective Time and IVAX shall have received a certificate of the
         Chairman or President and Chief Financial Officer of Bergen to that
         effect;

                  (c) there shall not have occurred any material adverse change
         in or effect on the business, assets (including intangible assets),
         liabilities (contingent or otherwise), condition (financial or
         otherwise) or results of operations of Bergen and



<PAGE>


                                       56

         the Bergen Subsidiaries taken as a whole, except for any Bergen
         Material Adverse Effect Exclusion;

                  (d) Stearns Weaver Miller Weissler Alhadeff & Sitterson, P.A.,
         special counsel to IVAX, shall have issued its opinions, such opinions
         dated on or about the date hereof and on or about the date of the
         Closing addressed to IVAX, and reasonably satisfactory to it, based
         upon customary representations of IVAX and BBI and customary
         assumptions, to the effect that the IVAX Merger will be treated for
         federal income tax purposes as a reorganization qualifying under the
         provisions of Section 368(a) of the Code and that each of IVAX, IVAX
         Merger Sub and BBI shall be a party to the reorganization within the
         meaning of Section 368(b) of the Code, which opinions shall not have
         been withdrawn or modified in any material respect; and

                  (e) Bergen shall have received the opinion described in
         Section 7.03(d) hereof, in form and substance reasonably satisfactory
         to IVAX.

                  SECTION 7.03. Conditions to the Obligations of Bergen. The
obligations of Bergen to consummate the Bergen Merger, or to permit the
consummation of the Bergen Merger, are subject to the satisfaction or, if
permitted by applicable Law, waiver of the following further conditions:

                  (a) each of the representations and warranties of IVAX
         contained in this Agreement that is qualified by materiality shall be
         true and correct on and as of the Effective Time as if made at and as
         of the Effective Time (other than representations and warranties which
         address matters only as of a certain date which shall be true and
         correct as of such certain date) and each of the representations and
         warranties that is not so qualified shall be true and correct in all
         material respects on and as of the Effective Time as if made on and as
         of such date (other than representations and warranties which address
         matters only as of a certain date which shall be true and correct in
         all material respects as of such certain date), in each case except as
         contemplated or permitted by this Agreement, and Bergen shall have
         received a certificate of the Chairman or President and Chief Financial
         Officer of IVAX to such effect;

                  (b) IVAX shall have performed or complied in all material
         respects with all material agreements and covenants required by this
         Agreement to be performed or complied with by it on or prior to the
         Effective Time and Bergen shall have received a certificate of the
         Chairman or President and Chief Financial Officer of IVAX to that
         effect;




<PAGE>


                                       57

                  (c) there shall not have occurred any material adverse change
         in or effect on the business, assets (including intangible assets),
         liabilities (contingent or otherwise), condition (financial or
         otherwise) or results of operations of IVAX and the IVAX Subsidiaries
         taken as a whole, except for any IVAX Material Adverse Effect
         Exclusion;

                  (d) Shearman & Sterling, special counsel to Bergen, shall have
         issued its opinions, such opinions dated on or about the date hereof
         and on or about the date of the Closing, addressed to Bergen, and
         reasonably satisfactory to it, based upon customary representations of
         Bergen and BBI and customary assumptions, to the effect that the Bergen
         Merger will be treated for federal income tax purposes as a
         reorganization qualifying under the provisions of Section 368(a) of the
         Code and that each of Bergen, Bergen Merger Sub and BBI shall be a
         party to the reorganization within the meaning of Section 368(b) of the
         Code, which opinions shall not have been withdrawn or modified in any
         material respect; and

                  (e) IVAX shall have received the opinion described in Section
         7.02(d) hereof, in form and substance reasonably satisfactory to
         Bergen.


                                  ARTICLE VIII

                        TERMINATION, AMENDMENT AND WAIVER

                  SECTION 8.01. Termination. This Agreement may be terminated
and the Mergers may be abandoned at any time prior to the Effective Time,
notwithstanding any requisite adoption and approval of this Agreement, as
follows:

                  (a) by mutual written consent duly authorized by the Boards of
         Directors of each of Bergen and IVAX;

                  (b) by either Bergen or IVAX, if the Effective Time shall not
         have occurred on or before July 31, 1997; provided, however, that the
         right to terminate this Agreement under this Section 8.01(b) shall not
         be available to any party whose failure to fulfill any obligation under
         this Agreement shall have caused, or resulted in, the failure of the
         Effective Time to occur on or before such date;

                  (c) by either Bergen or IVAX, if any Governmental Order, writ,
         injunction or decree preventing the consummation of either Merger shall
         have been entered by any court of competent jurisdiction and shall have
         become final and nonappealable;

                  (d) by Bergen, if (i) in accordance with the proviso to
         Section 6.01(b)(i), the Board of Directors of IVAX withdraws, modifies
         or changes its recommendation



<PAGE>


                                       58

         of this Agreement and the IVAX Merger in a manner adverse to Bergen or
         its shareholders or shall have resolved to do so, (ii) the Board of
         Directors of IVAX shall have recommended to the shareholders of IVAX a
         Competing Transaction or shall have resolved to do so or (iii) a tender
         offer or exchange offer for 15 percent or more of the outstanding
         shares of capital stock of IVAX is commenced and the Board of Directors
         of IVAX fails to recommend against acceptance of such tender offer or
         exchange offer by its shareholders (including by taking no position
         with respect to the acceptance of such tender offer or exchange offer
         by its shareholders);

                  (e) by IVAX, if (i) in accordance with the proviso to Section
         6.01(b)(ii), the Board of Directors of Bergen withdraws, modifies or
         changes its recommendation of this Agreement and the Bergen Merger in a
         manner adverse to IVAX or its shareholders or shall have resolved to do
         so, (ii) the Board of Directors of Bergen shall have recommended to the
         shareholders of Bergen a Competing Transaction or shall have resolved
         to do so or (iii) a tender offer or exchange offer for 15 percent or
         more of the outstanding shares of capital stock of Bergen is commenced
         and the Board of Directors of Bergen fails to recommend against
         acceptance of such tender offer or exchange offer by its shareholders
         (including by taking no position with respect to the acceptance of such
         tender offer or exchange offer by its shareholders);

                  (f) by Bergen or IVAX, (i) if this Agreement and the Mergers
         shall fail to receive the requisite votes for approval at the IVAX
         Shareholders' Meeting or any adjournment or postponement thereof or
         (ii) if this Agreement and the Mergers shall fail to receive the
         requisite votes for approval at the Bergen Shareholders' Meeting or any
         adjournment or postponement thereof;

                  (g) by Bergen, upon a breach of any representation, warranty,
         covenant or agreement on the part of IVAX set forth in this Agreement,
         or if any representation or warranty of IVAX shall have become untrue,
         in either case such that the conditions set forth in Section 7.03 would
         not be satisfied (a "Terminating IVAX Breach"); provided, however,
         that, if such Terminating IVAX Breach is curable by IVAX through the
         exercise of its reasonable efforts and for so long as IVAX continues to
         exercise such reasonable efforts, Bergen may not terminate this
         Agreement under this Section 8.01(g); and provided further that the
         preceding proviso shall not in any event be deemed to extend any date
         set forth in paragraph (b) of this Section 8.01;

                  (h) by IVAX, upon breach of any representation, warranty,
         covenant or agreement on the part of Bergen set forth in this
         Agreement, or if any representation or warranty of Bergen shall have
         become untrue, in either case such that the conditions set forth in
         Section 7.02 would not be satisfied (a "Terminating Bergen Breach");
         provided, however, that, if such Terminating Bergen Breach is curable
         by Bergen through the exercise of its reasonable efforts and for so
         long as Bergen continues to exercise such reasonable efforts, IVAX may
         not terminate this



<PAGE>


                                       59

         Agreement under this Section 8.01(h); and provided further that the
         preceding proviso shall not in any event be deemed to extend any date
         set forth in paragraph (b) of this Section 8.01;

                  (i) by IVAX, if the Board of Directors of IVAX shall,
         following receipt of advice of outside legal counsel (who may be IVAX's
         regularly engaged outside legal counsel) that failure to so terminate
         would be inconsistent with its duties to its shareholders under
         applicable Law, in good faith have withdrawn, modified or changed its
         recommendation of the adoption of this Agreement and the Mergers in a
         manner adverse to Bergen and, on or prior to such date, any person
         (other than Bergen) shall have made a public announcement or otherwise
         communicated to IVAX and its shareholders with respect to a Competing
         Transaction that, as determined by the Board of Directors of IVAX after
         consultation with its outside legal counsel (who may be its regularly
         engaged outside legal counsel) and financial advisors, contains terms
         more favorable to the shareholders of IVAX than those provided for in
         the Reorganization; provided, however, that IVAX may not terminate this
         Agreement pursuant to this Section 8.01(i) until three business days
         have elapsed following delivery to Bergen of written notice of such
         determination of IVAX (which written notice shall inform Bergen of the
         material terms and conditions of the Competing Transaction); provided
         further, however, that such termination under this Section 8.01(i)
         shall not be effective until IVAX has made payment to Bergen of the
         amounts required to be paid pursuant to Section 8.05(b); or

                  (j) by Bergen, if the Board of Directors of Bergen shall,
         following receipt of advice of outside legal counsel (who may be
         Bergen's regularly engaged outside legal counsel) that failure to so
         terminate would be inconsistent with its duties to its shareholders
         under applicable Law, in good faith have withdrawn, modified or changed
         its recommendation of the approval of this Agreement and the Mergers in
         a manner adverse to IVAX and, on or prior to such date, any person
         (other than IVAX) shall have made a public announcement or otherwise
         communicated to Bergen and its shareholders with respect to a Competing
         Transaction that, as determined by the Board of Directors of Bergen
         after consultation with its outside legal counsel (who may be its
         regularly engaged outside legal counsel) and financial advisors,
         contains terms more favorable to the shareholders of Bergen than those
         provided for in the Reorganization; provided further, however, that
         Bergen may not terminate this Agreement pursuant to this subsection (j)
         until three business days have elapsed following delivery to IVAX of
         written notice of such determination of Bergen (which written notice
         shall inform IVAX of the material terms and conditions of the Competing
         Transaction); provided further, however, that such termination under
         this Section 8.01(j) shall not be effective until Bergen has made
         payment to IVAX of the amounts required to be paid pursuant to Section
         8.05(c).




<PAGE>


                                       60

                  SECTION 8.02. Effect of Termination. Except as provided in
Section 9.01, in the event of termination of this Agreement pursuant to Section
8.01, this Agreement shall forthwith become void, there shall be no liability
under this Agreement on the part of any Bergen or IVAX or any of their
respective officers or directors, and all rights and obligations of each party
hereto shall cease, subject to the remedies of the parties hereto set forth in
Section 8.05(b), (c), (d) and (e); provided, however, that nothing herein shall
relieve any party hereto from liability for the willful or intentional breach of
any of its representations and warranties or the willful or intentional breach
of any of its covenants or agreements set forth in this Agreement.

                  SECTION 8.03. Amendment. This Agreement may be amended by the
parties hereto by action taken by or on behalf of their respective Boards of
Directors at any time prior to the Effective Time; provided, however, that,
after the approval of this Agreement by the shareholders of IVAX or Bergen, as
the case may be, no amendment may be made, except such amendments that have
received the requisite shareholder approval and such amendments as are permitted
to be made without shareholder approval under the FBCA, that would (i) reduce
the amount or change the type of consideration into which each share of IVAX
Common Stock or Bergen Common Stock, as the case may be, shall be converted upon
consummation of the Mergers, (ii) change any terms of this Agreement in a manner
that would materially and adversely affect either IVAX or Bergen, as the case
may be, or IVAX's shareholders or Bergen's shareholders, as the case may be, or
(iii) change any term of the Articles of Incorporation of IVAX or the
Certificate of Incorporation of Bergen. This Agreement may not be amended except
by an instrument in writing signed by the parties hereto.

                  SECTION 8.04. Waiver. At any time prior to the Effective Time,
any party hereto may (a) extend the time for or waive compliance with the
performance of any obligation or other act of any other party hereto or (b)
waive any inaccuracy in the representations and warranties contained herein or
in any document delivered pursuant hereto. Any such extension or waiver shall be
valid if set forth in an instrument in writing signed by the party or parties to
be bound thereby.

                  SECTION 8.05. Fees and Expenses. (a) Except as set forth in
this Section 8.05, all Expenses incurred in connection with this Agreement, the
IVAX Stock Option Agreement, the Bergen Stock Option Agreement and the Mergers
shall be paid by the party incurring such Expenses, whether or not the Mergers
are consummated, except that Bergen and IVAX each shall pay one-half of all
Expenses incurred solely for printing, filing and mailing the Registration
Statement and the Joint Proxy Statement and all SEC and other regulatory filing
fees incurred in connection with the Registration Statement and the Joint Proxy
Statement and the fee required to be paid in connection with the HSR Act.
"Expenses", as used in this Agreement, shall include all reasonable
out-of-pocket expenses (including, without limitation, all fees and expenses of
counsel, accountants, investment bankers, experts and consultants to a party
hereto and its affiliates) incurred by a party or on



<PAGE>


                                       61

its behalf in connection with or related to the authorization, preparation,
negotiation, execution and performance of its obligations pursuant to this
Agreement and the consummation of the Mergers, the preparation, printing, filing
and mailing of the Registration Statement and the Joint Proxy Statement, the
solicitation of shareholder approvals, the filing of HSR Act notice and all
other matters related to the closing of the Mergers.

                  (b) IVAX agrees that, if:

                  (i) IVAX shall terminate this Agreement pursuant to Section
         8.01(i),

                  (ii) (A) Bergen shall terminate this Agreement pursuant to
         Section 8.01(d) and (B) at the time of such termination, there shall
         exist or be proposed a Competing Transaction with respect to IVAX, or

                  (iii) (A) Bergen shall terminate this Agreement pursuant to
         Section 8.01(f)(i), (B) at the time of such failure to so approve this
         Agreement, there shall exist or have been proposed a Competing
         Transaction with respect to IVAX and (C) within 12 months thereafter,
         IVAX shall enter into a definitive agreement with respect to any
         Competing Transaction or any Competing Transaction shall be
         consummated,

then, in the case of (i), prior to such termination, in the case of (ii),
promptly after such termination, or, in the case of (iii), promptly after the
execution and delivery of such agreement or such consummation, IVAX shall pay to
Bergen $50 million (the "IVAX Termination Fee"). In the event Bergen
subsequently exercises the option granted under the IVAX Stock Option Agreement,
Bergen shall refund to IVAX an amount equal to the IVAX Termination Fee less the
Expenses incurred by Bergen.

                  (c) Bergen agrees that, if:

                  (i) Bergen shall terminate this Agreement pursuant to Section
         8.01(j),

                  (ii) (A) IVAX shall terminate this Agreement pursuant to
         Section 8.01(e) and (B) at the time of such termination, there shall
         exist or be proposed a Competing Transaction with respect to Bergen, or

                  (iii) (A) IVAX shall terminate this Agreement pursuant to
         Section 8.01(f)(ii), (B) at the time of such failure to so approve this
         Agreement, there shall exist or have been proposed a Competing
         Transaction with respect to Bergen and (C) within 12 months thereafter,
         Bergen shall enter into a definitive agreement with respect to any
         Competing Transaction or any Competing Transaction shall be
         consummated,



<PAGE>


                                       62


then, in the case of (i), prior to such termination, in the case of (ii),
promptly after such termination, or, in the case of (iii), promptly after the
execution and delivery of such agreement or such consummation, Bergen shall pay
to IVAX $39 million (the "Bergen Termination Fee"). In the event IVAX
subsequently exercises the option granted under the Bergen Stock Option
Agreement, IVAX shall refund to Bergen an amount equal to the Bergen Termination
Fee less the Expenses incurred by IVAX.

                  (d) Any payment required to be made pursuant to Section
8.05(b) or (c) shall be made to the party entitled to receive such payment not
later than two business days after delivery to the other party of notice of
demand for payment and shall be made by wire transfer of immediately available
funds to an account designated by the party entitled to receive payment in the
notice of demand for payment delivered pursuant to this Section 8.05(d).

                  (e) In the event that Bergen or IVAX, as the case may be,
shall fail to pay the Bergen Termination Fee or the IVAX Termination Fee, as the
case may be, the amount of any such Bergen Termination Fee or IVAX Termination
Fee shall be increased to include the costs and expenses actually incurred or
accrued by the other (including, without limitation, fees and expenses of
counsel) in connection with the collection under and enforcement of this Section
8.05, together with interest on such unpaid Bergen Termination Fee or IVAX
Termination Fee, commencing on the date that such Bergen Termination Fee or IVAX
Termination Fee became due, at a rate equal to the rate of interest publicly
announced by Citibank, N.A., from time to time, in The City of New York, from
time to time, as such bank's base rate plus 2.00%.


                                   ARTICLE IX

                               GENERAL PROVISIONS

                  SECTION 9.01. Non-Survival of Representations and Warranties.
The representations and warranties in this Agreement shall terminate at the
Effective Time or upon the termination of this Agreement pursuant to Section
8.01, as the case may be. Each party agrees that, except for the representations
and warranties contained in this Agreement and the Bergen Disclosure Schedule
and the IVAX Disclosure Schedule, no party hereto has made any other
representations and warranties, and each party hereby disclaims any other
representations and warranties made by itself or any of its officers, directors,
employees, agents, financial and legal advisors or other representatives, with
respect to the execution and delivery of this Agreement or the Mergers
contemplated herein, notwithstanding the delivery or disclosure to any other
party or any party's representatives of any documentation or other information
with respect to any one or more of the foregoing.




<PAGE>


                                       63

                  SECTION 9.02. Notices. All notices, requests, claims, demands
and other communications hereunder shall be in writing and shall be given (and
shall be deemed to have been duly given upon receipt) by delivery in person, by
telecopy or facsimile, by registered or certified mail (postage prepaid, return
receipt requested) or by a nationally recognized courier service to the
respective parties at the following addresses (or at such other address for a
party as shall be specified in a notice given in accordance with this Section
9.02):

                  (a) if to IVAX or IVAX Merger Sub:

                           IVAX Corporation
                           4400 Biscayne Boulevard
                           Miami, Florida  33137
                           Attention:  General Counsel
                           Telecopier:  (305) 575-6049

                           with a copy to:

                           Stearns Weaver Miller Weissler Alhadeff & Sitterson,
                              P.A.
                           2200 Museum Tower Building
                           150 West Flagler Street
                           Miami, Florida  33130
                           Attention:  Teddy D. Klinghoffer, Esq.
                           Telecopier:  (305) 789-3395

                  (b) if to Bergen or Bergen Merger Sub:

                           Bergen Corporation
                           4000 Metropolitan Drive
                           Orange, CA  92668
                           Attention:  Milan A. Sawdei, Esq.
                           Telecopier:  (714) 978-1148

                           with a copy to:

                           Shearman & Sterling
                           599 Lexington Avenue
                           New York, New York  10022
                           Attention:  John A. Marzulli, Jr., Esq.
                           Telecopier:  (212) 848-7179

                  (c) if to BBI, to both IVAX and Bergen in the manner provided
                      in this Section 9.02.



<PAGE>


                                       64


                  SECTION 9.03. Certain Definitions. For purposes of this
Agreement, the following terms have the following meanings:

                  (a) "affiliate" has the meaning specified in Rule 144
         promulgated by the SEC under the Securities Act;

                  (b) "Ancillary Agreements" means the IVAX Voting Agreement,
         the Bergen Voting Agreement, the IVAX Stock Option Agreement and the
         Bergen Stock Option Agreement;

                  (c) "Bergen Material Adverse Effect" means any change in or
         effect on the business of Bergen and the Bergen Subsidiaries that is,
         or is reasonably likely to be, materially adverse to the business,
         assets (including intangible assets), liabilities (contingent or
         otherwise), condition (financial or otherwise) or results of operations
         of Bergen and the Bergen Subsidiaries taken as a whole; provided,
         however, that "Bergen Material Adverse Effect" shall not include any
         Bergen Material Adverse Effect Exclusion.

                  (d) "Bergen Material Adverse Effect Exclusion" means any
         change in or effect upon the business, assets (including intangible
         assets), liabilities (contingent or otherwise), condition (financial or
         otherwise), or results of operations of Bergen or any Bergen Subsidiary
         directly or indirectly arising out of or attributable to (i) the loss
         by Bergen of any of its customers (including, without limitation, any
         financial consequence of such loss of customers) due primarily to the
         public announcement of this Agreement and the transactions contemplated
         hereby, (ii) any decrease in the market price of Bergen Common Stock
         (but not any change or effect underlying such decrease to the extent
         such change or effect would otherwise constitute an Bergen Material
         Adverse Effect) and (iii) changes or effects that generally affect the
         industries in which Bergen or the Bergen Subsidiaries operate.
         Notwithstanding anything to the contrary contained in this Agreement,
         no Bergen Material Adverse Effect Exclusion shall be deemed to cause
         the condition contained in Section 7.02(a) or (b) not to have been
         satisfied.

                  (e) "beneficial owner" with respect to any shares of capital
         stock means a person who shall be deemed to be the beneficial owner of
         such shares (i) which such person or any of its affiliates or
         associates (as such term is defined in Rule 12b-2 promulgated under the
         Exchange Act) beneficially owns, directly or indirectly, (ii) which
         such person or any of its affiliates or associates has, directly or
         indirectly, (A) the right to acquire (whether such right is exercisable
         immediately or subject only to the passage of time), pursuant to any
         agreement, arrangement or understanding or upon the exercise of
         consideration rights, exchange rights, warrants or options, or
         otherwise, or (B) the right to vote pursuant to any agreement,
         arrangement or understanding, or (iii) which are beneficially owned,
         directly or indirectly, by any



<PAGE>


                                       65

         other persons with whom such person or any of its affiliates or
         associates or person with whom such person or any of its affiliates or
         associates has any agreement, arrangement or understanding for the
         purpose of acquiring, holding, voting or disposing of any shares of
         capital stock;

                  (f) "business day" means any day on which the principal
         offices of the SEC in Washington, D.C. are open to accept filings, or,
         in the case of determining a date when any payment is due, any day on
         which banks are not required or authorized by law or executive order to
         close in The City of New York, USA;

                  (g) "$" means United States Dollars;

                  (h) "IVAX Material Adverse Effect" means any change in or
         effect on the business of IVAX and the IVAX Subsidiaries that is, or is
         reasonably likely to be, materially adverse to the business, assets
         (including intangible assets), liabilities (contingent or otherwise),
         condition (financial or otherwise) or results of operations of IVAX and
         the IVAX Subsidiaries taken as a whole; provided, however, that "IVAX
         Material Adverse Effect" shall not include any IVAX Material Adverse
         Effect Exclusion.

                  (i) "IVAX Material Adverse Effect Exclusion" means any change
         in or effect upon the business, assets (including intangible assets),
         liabilities (contingent or otherwise), condition (financial or
         otherwise), or results of operations of IVAX or any IVAX Subsidiary
         directly or indirectly arising out of or attributable to (i) the loss
         by IVAX of any of its customers (including, without limitation, any
         financial consequence of such loss of customers) due primarily to the
         public announcement of this Agreement and the transactions contemplated
         hereby, (ii) the financial results of IVAX for the third quarter of
         1996, (iii) any default under the $425 million Revolving Credit and
         Reimbursement Agreement among IVAX, Norton Healthcare, Ltd., various
         lenders named therein, Nationsbank, N.A., as agent and lender, and BA
         Securities, Inc., as agent, and any cross-default provisions triggered
         thereby under any other debt arrangements or other agreements of IVAX
         or any IVAX Subsidiary, (iv) any decrease in the market price of IVAX
         Common Stock (but not any change or effect underlying such decrease to
         the extent such change or effect would otherwise constitute an IVAX
         Material Adverse Effect) and (v) changes or effects that generally
         affect the industries in which IVAX or the IVAX Subsidiaries operate.
         Notwithstanding anything to the contrary contained in this Agreement,
         no IVAX Material Adverse Effect Exclusion shall be deemed to cause the
         condition contained in Section 7.03(a) or (b) not to have been
         satisfied.

                  (j) "Governmental Order" means any order, writ, judgment,
         injunction, decree, stipulation, determination or award entered by or
         with any Governmental Entity;



<PAGE>


                                       66


                  (k) "knowledge" means, with respect to any matter in question,
         that the executive officers of Bergen or IVAX, as the case may be, (i)
         have actual knowledge of such matter or (ii) after due investigation,
         should have known of such matter;

                  (l) "person" means an individual, corporation, partnership,
         limited partnership, limited liability company, syndicate, person
         (including, without limitation, a "person" as defined in Section
         13(d)(3) of the Exchange Act), trust, association, entity or government
         or political subdivision, agency or instrumentality of a government;
         and

                  (m) "subsidiary" or "subsidiaries" of any person means any
         corporation, limited liability company, partnership, joint venture or
         other legal entity of which such person (either alone or through or
         together with any other subsidiary of such person) owns, directly or
         indirectly, more than fifty percent of the stock or other equity
         interests, the holders of which are generally entitled to vote for the
         election of the board of directors or other governing body of such
         corporation or other legal entity.

                  SECTION 9.04. Severability. If any term or other provision of
this Agreement is invalid, illegal or incapable of being enforced by any rule of
Law or public policy, all other conditions and provisions of this Agreement
shall nevertheless remain in full force and effect so long as the economic or
legal substance of the Reorganization is not affected in any manner materially
adverse to any party. Upon such determination that any term or other provision
is invalid, illegal or incapable of being enforced, the parties hereto shall
negotiate in good faith to modify this Agreement so as to effect the original
intent of the parties as closely as possible in a mutually acceptable manner to
the fullest extent permitted by applicable Law in order that the Mergers may be
consummated as originally contemplated to the fullest extent possible.

                  SECTION 9.05. Assignment; Binding Effect; Benefit. Neither
this Agreement nor any of the rights, interests or obligations hereunder shall
be assigned by any of the parties hereto (whether by operation of Law or
otherwise) without the prior written consent of the other parties hereto.
Subject to the preceding sentence, this Agreement shall be binding upon and
shall inure to the benefit of the parties hereto and their respective successors
and permitted assigns. Notwithstanding anything contained in this Agreement to
the contrary, other than Section 6.07, nothing in this Agreement, expressed or
implied, is intended to confer on any person other than the parties hereto or
their respective successors and permitted assigns any rights, remedies,
obligations or liabilities under or by reason of this Agreement.

                  SECTION 9.06. Incorporation of Exhibits. The Bergen Disclosure
Schedule, the IVAX Disclosure Schedule and all Exhibits attached hereto and
referred to herein are



<PAGE>


                                       67

hereby incorporated herein and made a part of this Agreement for all purposes as
if fully set forth herein.

                  SECTION 9.07. Specific Performance. The parties hereto agree
that irreparable damage would occur in the event any provision of this Agreement
were not performed in accordance with the terms hereof and that the parties
shall be entitled to specific performance of the terms hereof, in addition to
any other remedy at law or in equity.

                  SECTION 9.08. Governing Law. Except to the extent that the
Laws of the jurisdiction of organization of any party hereto, or any other
jurisdiction, are mandatorily applicable to the Mergers or to matters arising
under or in connection with this Agreement, this Agreement shall be governed by
the Laws of the State of New York. All actions and proceedings arising out of or
relating to this Agreement shall be heard and determined in any New York state
or federal court sitting in The City of New York.

                  SECTION 9.09. Consent to Jurisdiction; Venue. (a) Each of the
parties hereto irrevocably submits to the exclusive jurisdiction of the state
courts of New York and to the jurisdiction of the United States District Court
for the Southern District of New York, for the purpose of any action or
proceeding arising out of or relating to this Agreement and each of the parties
hereto irrevocably agrees that all claims in respect to such action or
proceeding may be heard and determined exclusively in any New York state or
federal court sitting in The City of New York. Each of the parties hereto agrees
that a final judgment in any action or proceeding shall be conclusive and may be
enforced in other jurisdictions by suit on the judgment or in any other manner
provided by Law.

                  (b) Each of the parties hereto irrevocably consents to the
service of any summons and complaint and any other process in any other action
or proceeding relating to the Mergers, on behalf of itself or its property, by
the personal delivery of copies of such process to such party. Nothing in this
Section 9.09 shall affect the right of any party hereto to serve legal process
in any other manner permitted by Law.

                  SECTION 9.10. Headings. The descriptive headings contained in
this Agreement are included for convenience of reference only and shall not
affect in any way the meaning or interpretation of this Agreement.

                  SECTION 9.11. Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties hereto in separate counterparts, each of which when
executed and delivered shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.

                  SECTION 9.12. Entire Agreement. This Agreement (including the
Exhibits, the Bergen Disclosure Schedule and the IVAX Disclosure Schedule) and
the Ancillary



<PAGE>


                                       68

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



<PAGE>



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

                                                    BBI HEALTHCARE CORPORATION


                                                    By:_________________________
                                                        Name:
                                                        Title:


                                                    IVAX CORPORATION


                                                    By:_________________________
                                                        Name:
                                                        Title:


                                                    BERGEN BRUNSWIG CORPORATION


                                                    By:_________________________
                                                        Name:
                                                        Title:


                                                    BBI-I SUB, INC.


                                                    By:_________________________
                                                        Name:
                                                        Title:


                                                    BBI-B SUB, INC.


                                                    By:_________________________
                                                        Name:
                                                        Title:


<PAGE>

                                                                 EXHIBIT 1.07(a)

                                    RESTATED

                          CERTIFICATE OF INCORPORATION

                                       OF

                           BBI HEALTHCARE CORPORATION
                     ---------------------------------------


                  BBI HEALTHCARE CORPORATION, a corporation organized and
existing under the laws of the State of Delaware (the "Corporation"), hereby
certifies as follows:

                  1. The name of the Corporation is BBI Healthcare Corporation.
The original Certificate of Incorporation of the Corporation was filed with the
Secretary of State of the State of Delaware on November 8, 1996.

                  2. Pursuant to Sections 242 and 245 of the General Corporation
Law of the State of Delaware (the "DGCL"), this Restated Certificate of
Incorporation restates and integrates and further amends the provisions of the
Certificate of Incorporation of this Corporation. Pursuant to and in accordance
with the provisions of Section 228 of the DGCL, written consent to this Restated
Certificate of Incorporation has been given in lieu of a vote of stockholders at
a meeting and written notice of such written consent has been given to all
stockholders who have not consented in writing to this Restated Certificate of
Incorporation.

                  3. The text of the Certificate of Incorporation as heretofore
amended or supplemented is hereby restated and further amended to read in its
entirety as follows:


                                    ARTICLE I

                                      Name

                  SECTION 1.1 Name. The name of the Corporation is BBI
Healthcare Corporation.




<PAGE>


                                        2

                                   ARTICLE II

                     Registered Office and Registered Agent

                  SECTION 2.1 Office and Agent. The address of the registered
office of the Corporation in the State of Delaware is Corporation Trust Center,
1209 Orange Street, in the City of Wilmington, County of New Castle. The name of
the registered agent of the Corporation at such address is The Corporation Trust
Company.


                                   ARTICLE III

                                Corporate Purpose

                  SECTION 3.1 Purpose. The purpose of the Corporation is to
engage in any lawful act or activity for which corporations may be organized
under the DGCL.


                                   ARTICLE IV

                                 Capitalization

                  SECTION 4.1 Authorized Capital; Shares. The total number of
shares of all classes of stock that the Corporation shall have authority to
issue is Two Hundred Seventy-Five Million (275,000,000), of which Two Hundred
Fifty Million (250,000,000) shares shall be shares of Common Stock, par value
$0.01 per share ("Common Stock"), and Twenty-Five Million (25,000,000) shares
shall be shares of Preferred Stock, par value $0.01 per share ("Preferred
Stock").

                  SECTION 4.2 Preferred Stock. Shares of Preferred Stock of the
Corporation may be issued from time to time in one or more classes or series,
each of which class or series shall have such distinctive designation or title
as shall be fixed by the affirmative vote of a majority of the whole Board of
Directors of the Corporation (the "Board of Directors") prior to the issuance of
any shares thereof (the number of directors of the Corporation, as so determined
from time to time, being referred to herein as the "Whole Board"). Each such
class or series of Preferred Stock shall have such voting powers, full or
limited, or no voting powers, and such designations, preferences and relative,
participating, optional or other special rights and qualifications, limitations
or restrictions, including the dividend rate, redemption price and liquidation
preference, and may be convertible into, or exchangeable for, at the option of
either the holder or the Corporation or upon the happening of a specified event,
shares of any other class or classes or any other series of the same or any
other class or classes of capital stock, or any debt securities, of the
Corporation at such price or prices


<PAGE>


                                        3

or at such rate or rates of exchange and with such adjustments as shall be
stated and expressed in this Restated Certificate of Incorporation or in any
amendment hereto or in such resolution or resolutions providing for the issuance
of such class or series of Preferred Stock as may be adopted from time to time
by the affirmative vote of the number of directors constituting the majority of
the Whole Board prior to the issuance of any shares thereof pursuant to the
authority hereby expressly vested in it, all in accordance with the DGCL. The
authority of the Board of Directors with respect to each series shall also
include, but not be limited to, the determination of restrictions, if any, on
the issue or reissue of any additional shares of Preferred Stock.

                  SECTION 4.3 No Preemptive Rights. The holders of shares of
Common Stock shall have no preemptive or preferential rights of subscription to
any shares of any class of capital stock of the Corporation or any securities
convertible into or exchangeable for shares of any class of capital stock of the
Corporation.


                                    ARTICLE V

                            Compromise or Arrangement

                  SECTION 5.1 Compromise or Arrangement. Whenever a compromise
or arrangement is proposed between the Corporation and its creditors or any
class of them and/or between the Corporation and its stockholders or any class
of them, any court of equitable jurisdiction within the State of Delaware may,
on the application in a summary way of the Corporation or of any creditor or
stockholder thereof or on the application of any receiver or receivers appointed
for the Corporation under the provisions of Section 291 of the DGCL or on the
application of trustees in dissolution or of any receiver or receivers appointed
for the Corporation under the provisions of Section 279 of the DGCL, order a
meeting of the creditors or class of creditors, and/or of the stockholders or
class of stockholders of the Corporation, as the case may be, to be summoned in
such a manner as the said court directs. If a majority in number representing
three-fourths in value of the creditors or class of creditors, and/or of the
stockholders or class of stockholders of the Corporation, as the case may be,
agree to any compromise or arrangement and to any reorganization of the
Corporation as a consequence of such compromise or arrangement, the said
compromise or arrangement and the said reorganization, if sanctioned by the
court to which the said application has been made, shall be binding on all the
creditors or the members of the class of creditors, and/or on all the
stockholders or the members of the class of stockholders, of the Corporation, as
the case may be, and also on the Corporation.



<PAGE>


                                        4

                                   ARTICLE VI

                                 Indemnification

                  SECTION 6.1 Indemnification. (a) General. The Corporation
shall indemnify any person who was or is a party or is threatened to be made a
party to any threatened, pending or completed action, suit or proceeding,
whether civil, criminal, administrative or investigative (other than an action
by or in the right of the Corporation) by reason of the fact that he is or was a
director, officer, employee or agent of the Corporation, or is or was serving at
the request of the Corporation as a director, officer, employee or agent of
another corporation, partnership, joint venture, trust or other enterprise, to
the full extent authorized or permitted by law, as now or hereafter in effect,
against expenses (including attorneys' fees), judgments, fines and amounts paid
in settlement actually and reasonably incurred by him in connection with such
action, suit or proceeding if he acted in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of the
Corporation, and, with respect to any criminal action or proceeding, had no
reasonable cause to believe his conduct was unlawful. The termination of any
action, suit or proceeding by judgment, order, settlement or conviction, or upon
a plea of nolo contendere or its equivalent, shall not, of itself, create a
presumption that the person seeking indemnification did not act in good faith
and in a manner which he reasonably believed to be in or not opposed to the best
interests of the Corporation, and, with respect to any criminal action or
proceeding, had reasonable cause to believe that his conduct was unlawful.

                  (b) Derivative Actions. The Corporation shall indemnify any
person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action or suit by or in the right of the
Corporation to procure a judgment in its favor by reason of the fact that he is
or was a director, officer, employee or agent of the Corporation, or is or was
serving at the request of the Corporation as a director, officer, employee or
agent of another corporation, partnership, joint venture, trust or other
enterprise, to the full extent authorized or permitted by law, as now or
hereafter in effect, against expenses (including attorneys' fees) actually and
reasonably incurred by him in connection with the defense or settlement of such
action or suit if he acted in good faith and in a manner he reasonably believed
to be in or not opposed to the best interests of the Corporation; provided,
however, that no indemnification shall be made in respect of any claim, issue or
matter as to which such person shall have been adjudged to be liable to the
Corporation unless and only to the extent that the Court of Chancery of the
State of Delaware or the court in which such action or suit was brought shall
determine upon application that, despite the adjudication of liability but in
view of all the circumstances of the case, such person is fairly and reasonably
entitled to indemnity for such expenses which the Court of Chancery or such
other court shall deem proper.


<PAGE>

                                        5

                  (c) Successful Defense. To the extent that a director,
officer, employee or agent of the Corporation has been successful on the merits
or otherwise in defense of any action, suit or proceeding referred to in
subsections (a) and (b) above, or in defense of any claim, issue or matter
therein, he shall be indemnified against expenses (including attorneys' fees)
actually and reasonably incurred by him in connection therewith.

                  (d) Proceedings Initiated by any Person. Notwithstanding
anything to the contrary contained in subsections (a) or (b) above, except for
proceedings to enforce rights to indemnification, the Corporation shall not be
obligated to indemnify any person in connection with a proceeding (or part
thereof) initiated by such person unless such proceeding (or part thereof) was
authorized in advance, or unanimously consented to, by the Board of Directors.

                  (e) Procedure. Any indemnification under subsections (a) and
(b) above (unless ordered by a court) shall be made by the Corporation only as
authorized in the specific case upon a determination that indemnification of the
director, officer, employee or agent is proper in the circumstances because he
has met the applicable standard of conduct set forth in subsections (a) and (b)
above. Such determination shall be made (i) by a majority vote of a quorum of
the directors who are not parties to such action, suit or proceeding, or (ii) if
such a quorum is not obtainable, or, even if obtainable, a quorum of
disinterested directors so directs, by independent legal counsel in a written
opinion, or (iii) by the stockholders of the Corporation.

                  (f) Advancement of Expenses. Expenses (including attorneys'
fees) incurred by a director or an officer in defending any civil, criminal,
administrative or investigative action, suit or proceeding shall be paid by the
Corporation in advance of the final disposition of such action, suit or
proceeding upon receipt of an undertaking in form and substance satisfactory to
the Corporation by or on behalf of such director or officer to repay such amount
if it shall ultimately be determined that he is not entitled to be indemnified
by the Corporation pursuant to this Article VI. Such expenses (including
attorneys' fees) incurred by other employees and agents may be so paid upon such
terms and conditions, if any, as the Board of Directors deems appropriate.

                  (g) Rights Not Exclusive. The indemnification and advancement
of expenses provided by, or granted pursuant to, the other subsections of this
Article VI shall not be deemed exclusive of any other rights to which those
seeking indemnification or advancement of expenses may be entitled under any
law, bylaw, agreement, vote of stockholders or disinterested directors or
otherwise, both as to action in his official capacity and as to action in
another capacity while holding such office.

                  (h) Insurance. The Corporation may purchase and maintain
insurance on behalf of any person who is or was a director, officer, employee or
agent of the Corporation, or is or was serving at the request of the Corporation
as a director, officer, employee or

<PAGE>


                                        6

agent of another corporation, partnership, joint venture, trust or other
enterprise, against any liability asserted against him and incurred by him in
any such capacity, or arising out of his status as such, whether or not the
Corporation would have the power to indemnify him against such liability under
the provisions of the DGCL.

                  (i) Definition of "Corporation". For purposes of this Article
VI, references to "the Corporation" shall include, in addition to the resulting
corporation, any constituent corporation (including any constituent of a
constituent) absorbed in a consolidation or merger which, if its separate
existence had continued, would have had power and authority to indemnify its
directors, officers, employees or agents so that any person who is or was a
director, officer, employee or agent of such constituent corporation, or is or
was serving at the request of such constituent corporation as a director,
officer, employee or agent of another corporation, partnership, joint venture,
trust or other enterprise, shall stand in the same position under the provisions
of this Article VI with respect to the resulting or surviving corporation as he
would have with respect to such constituent corporation if its separate
existence had continued.

                  (j) Certain Other Definitions. For purposes of this Article
VI, references to "other enterprises" shall include employee benefit plans;
references to "fines" shall include any excise taxes assessed on a person with
respect to any employee benefit plan; and references to "serving at the request
of the Corporation" shall include any service as a director, officer, employee
or agent of the Corporation which imposes duties on, or involves service by,
such director, officer, employee or agent with respect to an employee benefit
plan, its participants or beneficiaries; and a person who acted in good faith
and in a manner he reasonably believed to be in the interest of the participants
and beneficiaries of an employee benefit plan shall be deemed to have acted in a
manner "not opposed to the best interests of the Corporation", as referred to in
this Article VI.

                  (k) Continuation of Rights. The indemnification and
advancement of expenses provided by, or granted pursuant to, this Article VI
shall, unless otherwise provided when authorized or ratified, continue as to a
person who has ceased to be a director, officer, employee or agent and shall
inure to the benefit of the heirs, executors and administrators of such a
person.

                  (l) Repeal or Modification. Any repeal or modification of this
Article VI by the stockholders of the Corporation shall not adversely affect any
rights to indemnification and to advancement of expenses that any person may
have at the time of such repeal or modification with respect to any acts or
omissions occurring prior to such repeal or modification.

                  (m) Action Against Corporation. Notwithstanding any provisions
of this Article VI to the contrary, no person shall be entitled to
indemnification or advancement of


<PAGE>


                                        7

expenses under this Article VI with respect to any action, suit or proceeding,
or any claim therein, brought or made by him against the Corporation.


                                   ARTICLE VII

                                    Directors

                  SECTION 7.1 Director Liability. (a) A director of the
Corporation shall not be personally liable to the Corporation or its
stockholders for monetary damages for breach of fiduciary duty as a director,
except for liability (i) for any breach of the director's duty of loyalty to the
Corporation or its stockholders, (ii) for acts or omissions not in good faith or
which involve intentional misconduct or a knowing violation of law, (iii) under
Section 174 of the DGCL or (iv) for any transaction from which the director
derived any improper personal benefit.

                  (b) If the DGCL is amended hereafter to authorize the further
elimination or limitation of the liability of directors, then the liability of a
director of the Corporation shall be eliminated or limited to the fullest extent
authorized by the DGCL, as so amended, without further action by either the
Board of Directors or the stockholders of the Corporation.

                  (c) Any repeal or modification of this Article VII shall not
adversely affect any right or protection of a director of the Corporation
existing hereunder with respect to any act or omission occurring prior to or at
the time of such repeal or modification.

                  SECTION 7.2 Removal. Any or all of the directors may be
removed only for due cause by vote of the record holders of a majority of the
holders of stock entitled to vote thereon at a meeting of the stockholders;
provided, however, that no such removal can be made at such meeting unless the
notice thereof specifies such removal and the reasons therefor as one of the
matters that shall be considered at such meeting.


                                  ARTICLE VIII

                  Management of the Affairs of the Corporation

                  SECTION 8.1 Management of the Affairs of the Corporation. (a)
The business and affairs of the Corporation shall be managed by the Board of
Directors, which may exercise all the powers of the Corporation and do all such
lawful acts and things that are not conferred upon or reserved to the
stockholders by law, by this Restated Certificate of Incorporation or by the
bylaws of the Corporation (the "Bylaws").


<PAGE>


                                        8


                  (b) Election of directors of the Corporation need not be by
written ballot, unless required by the Bylaws.

                  (c) The following provisions are inserted for the limitation
and regulation of the powers of the Corporation and of its directors and
stockholders:

                  (i) The Bylaws, or any of them, may be altered, amended or
         repealed, or new bylaws may be made, but only to the extent any such
         alteration, amendment, repeal or new bylaw is not inconsistent with any
         provision of this Restated Certificate of Incorporation as it may be
         amended from time to time, either by the number of directors
         constituting the majority of the Whole Board or by the stockholders of
         the Corporation upon the affirmative vote of the holders of at least
         80% of the outstanding capital stock entitled to vote thereon;
         provided, however, that until the third anniversary of the Effective
         Time (as defined in the Agreement and Plan of Merger, dated as of
         November 10, 1996, among the Corporation, Bergen Brunswig Corporation
         ("Bergen"), IVAX Corporation ("IVAX"), BBI-I Sub, Inc. and BBI-B Sub,
         Inc.), Article I, Section 2, Article III, Section 2, Article III,
         Section 5, Article IV, Section 1 and Article V, Section 5 of the Bylaws
         may be altered, amended or repealed only upon the affirmative vote of
         two-thirds of the number of directors constituting the Whole Board;
         provided further, however, that Article V, Section 14 of the Bylaws may
         be amended only after the third anniversary of the Effective Time.

                  (ii) The Board of Directors shall be divided into three
         classes, designated Class I, Class II and Class III. Each class shall
         consist, as nearly as may be possible, of one-third of the total number
         of directors constituting the entire Board of Directors. The term of
         the initial Class I directors shall terminate on the date of the 1998
         annual meeting of stockholders; the term of the initial Class II
         directors shall terminate on the date of the 1999 annual meeting of
         stockholders; and the term of the initial Class III directors shall
         terminate on the date of the 2000 annual meeting of stockholders. At
         each annual meeting of stockholders, beginning with the 1997 annual
         meeting of stockholders, successors to the class of directors whose
         term expires at that annual meeting shall be elected for a three-year
         term. If the number of directors is changed, any increase or decrease
         shall be apportioned among the classes so as to maintain the number of
         directors in each class as nearly equal as possible, but in no case
         will a decrease in the number of directors shorten the term of any
         incumbent director. A director shall hold office until the annual
         meeting for the year in which his term expires and until his successor
         shall be elected and shall qualify, subject, however, to prior death,
         resignation, retirement, disqualification or removal from office. The
         term of a director elected by stockholders to fill a newly created
         directorship or other vacancy shall expire at the same time as the
         terms of the other directors of the class for which the new
         directorship is created or in which the vacancy occurred. Any director
         elected by the Board of Directors to fill a vacancy shall hold office
         for a term


<PAGE>


                                        9

         that shall coincide with the term of the class to which such director
         shall have been elected.

                  Notwithstanding the foregoing, whenever the holders of any one
         or more classes or series of Preferred Stock issued by the Corporation
         shall have the right, voting separately by class or series, to elect
         directors at an annual or special meeting of stockholders, the
         election, term of office, filling of vacancies and other features of
         such directorships shall be governed by the terms of this Restated
         Certificate of Incorporation or the resolution or resolutions adopted
         by the Board of Directors pursuant to Section 4.2 of Article IV hereof
         applicable thereto, and such directors so elected shall not be divided
         into classes pursuant to this Section 8.1(c) unless expressly provided
         by such terms.

                  (iii) Subject to the rights, if any, of the holders of shares
         of Preferred Stock then outstanding, any or all of the directors of the
         Corporation may be removed from office at any time only for cause by
         the affirmative vote of holders of a majority of the outstanding shares
         of the Corporation entitled to vote generally in the election of
         directors, considered for purposes of this paragraph as one class.

                  (iv) Special meetings of the stockholders of the Corporation
         for any purpose or purposes may be called at any time by (i) a majority
         of the members of the Board of Directors or (ii) either of the
         Co-Chairmen of the Corporation. A Special meeting of the stockholders
         of the Corporation may not be called by any other person or persons.


                                   ARTICLE IX

                                Private Property

                  SECTION 9.1 Private Property. The private property of the
stockholders of the Corporation shall not be subject to the payment of corporate
debts to any extent whatsoever.


<PAGE>


                                       10

                                    ARTICLE X

                               Shareholder Consent

                  SECTION 10.1 No Stockholders' Consent in Lieu of Meeting. Any
action required or permitted to be taken by the stockholders of the Corporation
must be effected at a duly called annual meeting or special meeting of such
stockholders and may not be effected by any consent in writing by any such
stockholders.


                                   ARTICLE XI

                                    Amendment

                  SECTION 11.1 Amendments. Notwithstanding anything contained in
this Restated Certificate of Incorporation to the contrary, the affirmative vote
of the holders of at least 80% of the outstanding shares of capital stock of the
Corporation entitled to vote thereon shall be required to amend, repeal, or
adopt any provision inconsistent with, Section 7.2 of Article VII, Section
8.1(c) of Article VIII or this Article XI of this Restated Certificate of
Incorporation.


                                   ARTICLE XII

                                 Effective Date

                  SECTION 12.1 Effective Date. This Restated Certificate of
Incorporation shall become effective at [insert Effective Time].



<PAGE>


                                       11

                  IN WITNESS WHEREOF, BBI HEALTHCARE CORPORATION has caused this
certificate to be signed by ____________, its ________, and attested by
_____________, its __________, this ____ day of ______________, 1997.



                                          BBI HEALTHCARE CORPORATION



                                          By:_________________________
                                              Name:
                                              Title:



<PAGE>



                                                                 EXHIBIT 1.07(b)






================================================================================


                                    RESTATED

                                     BYLAWS

                                       OF

                           BBI HEALTHCARE CORPORATION



================================================================================









<PAGE>



                                TABLE OF CONTENTS


                                                                            Page


                                    ARTICLE I

                                     OFFICES

SECTION 1.          Registered Office in Delaware...........................   1
SECTION 2.          Other Offices...........................................   1

                                   ARTICLE II

                            MEETINGS OF STOCKHOLDERS

SECTION 1.          Annual Meeting..........................................   1
SECTION 2.          Special Meetings........................................   1
SECTION 3.          Notice of Meetings......................................   2
SECTION 4.          Waiver of Notice........................................   2
SECTION 5.          Adjournments............................................   2
SECTION 6.          Quorum..................................................   3
SECTION 7.          Voting..................................................   3
SECTION 8.          Proxies.................................................   3
SECTION 9.          Organization............................................   3
SECTION 10.         Advance Notice of Business to Be Transacted at Annual
                           Meetings.........................................   3

                                   ARTICLE III

                               BOARD OF DIRECTORS

SECTION 1.          General Powers..........................................   5
SECTION 2.          Number and Term of Holding Office.......................   5
SECTION 3.          Nomination of Directors and Advance Notice Thereof......   6
SECTION 4.          Resignation.............................................   7
SECTION 5.          Vacancies...............................................   7
SECTION 6.          Meetings................................................   8
SECTION 7.          Action by Consent.......................................   8
SECTION 8.          Meetings by Conference Telephone, etc...................   9
SECTION 9.          Compensation............................................   9



                                        i

<PAGE>


                                                                            Page


                                   ARTICLE IV

                                   COMMITTEES

SECTION 1. Committees........................................................  9

                                    ARTICLE V

                                    OFFICERS

SECTION 1.          Officers................................................. 10
SECTION 2.          Authority and Duties..................................... 10
SECTION 3.          Term of Office, Resignation and Removal.................. 10
SECTION 4.          Vacancies................................................ 10
SECTION 5.          The Co-Chairmen.......................................... 11
SECTION 6.          The President and Chief Executive Officer................ 11
SECTION 7.          Vice Presidents.......................................... 11
SECTION 8.          The Secretary............................................ 11
SECTION 9.          Assistant Secretaries.................................... 12
SECTION 10.         Chief Financial Officer.................................. 12
SECTION 11.         The Treasurer............................................ 12
SECTION 12.         Assistant Treasurers..................................... 12
SECTION 13.         Additional Officers...................................... 12
SECTION 14.         Removal of Certain Officers.............................. 12

                                   ARTICLE VI

                  DIVIDENDS, CHECKS, DRAFTS, NOTES AND PROXIES

SECTION 1.          Dividends................................................ 13
SECTION 2.          Checks, Drafts and Notes................................. 13
SECTION 3.          Execution of Proxies..................................... 13

                                   ARTICLE VII

                          SHARES AND TRANSFER OF SHARES

SECTION 1.          Certificates of Stock.................................... 13
SECTION 2.          Record................................................... 13
SECTION 3.          Transfer of Stock........................................ 14
SECTION 4.          Addresses of Stockholders................................ 14

                                       ii

<PAGE>


                                                                            Page

SECTION 5.          Lost, Destroyed or Mutilated Certificates................ 14
SECTION 6.          Facsimile Signatures..................................... 14
SECTION 7.          Regulations.............................................. 14
SECTION 8.          Record Date.............................................. 15
SECTION 9.          Registered Stockholders.................................. 15

                                  ARTICLE VIII

                                BOOKS AND RECORDS

SECTION 1.          Books and Records........................................ 15

                                   ARTICLE IX

                                      SEAL

SECTION 1.          Seal..................................................... 16

                                    ARTICLE X

                                   FISCAL YEAR

SECTION 1.          Fiscal Year.............................................. 16

                                   ARTICLE XI

                                 INDEMNIFICATION

SECTION 1.          Indemnification.......................................... 16

                                   ARTICLE XII

                                   AMENDMENTS

SECTION 1.          Amendments............................................... 19


                                       iii

<PAGE>


                                 RESTATED BYLAWS

                                       OF

                           BBI HEALTHCARE CORPORATION
                       ----------------------------------


                                    ARTICLE I

                                     OFFICES

                  SECTION 1. Registered Office in Delaware. The address of the
registered office of BBI Healthcare Corporation (hereinafter called the
"Corporation") in the State of Delaware shall be The Corporation Trust Company,
1209 Orange Street, in the City of Wilmington, County of New Castle, Delaware
19801, and the registered agent in charge thereof shall be The Corporation Trust
Company.

                  SECTION 2. Other Offices. The Corporation may also have an
office or offices at any other place or places within or without the State of
Delaware as the Board of Directors of the Corporation (the "Board") may from
time to time determine or the business of the Corporation may from time to time
require. Notwithstanding the foregoing, the corporate headquarters of the
Corporation shall be located in Miami, Florida, for a period of not less than
three years from and after the Effective Time (as defined below).


                                   ARTICLE II

                            MEETINGS OF STOCKHOLDERS

                  SECTION 1. Annual Meeting. The annual meeting of stockholders
for the election of directors and for the transaction of such other business as
may properly come before the meeting shall be held at such place within or
without the State of Delaware, and at such date and hour, as shall be designated
by the Board and set forth in the notice or in a duly executed waiver of notice
thereof.

                  SECTION 2. Special Meetings. A special meeting of the
stockholders for any purpose or purposes may be called at any time by a majority
of the members of the Board or by either of the Co-Chairmen of the Corporation.
A special meeting of stockholders of the Corporation may not be called by any
other person or persons. Any such meeting shall be held at such place within or
without the State of Delaware, and at such date and hour, as shall be designated
in the notice or in a duly executed waiver of notice of such meeting. Only such
business as is stated in the written notice of a special meeting may be acted
upon thereat.


<PAGE>


                                        2


                  SECTION 3. Notice of Meetings. Except as otherwise provided by
law, written notice of each annual or special meeting of stockholders stating
the place, date and hour of the meeting, and, in the case of a special meeting,
the purpose or purposes for which the meeting is held, shall be given personally
or by first class mail to each stockholder entitled to vote at such meeting, not
less than 10 nor more than 60 calendar days before the date of the meeting. If
mailed, such notice shall be deemed to be given when deposited in the United
States mail, postage prepaid, directed to the stockholder at such stockholder's
address as it appears on the records of the Corporation. If, prior to the time
of mailing, the Secretary shall have received from any stockholder entitled to
vote a written request that notices intended for such stockholder are to be
mailed to an address other than the address that appears on the records of the
Corporation, notices intended for such stockholder shall be mailed to the
address designated in such request.

                  Notice of a special meeting may be given by the person or
persons calling the meeting, or, upon the written request of such person or
persons, by the Secretary of the Corporation on behalf of such person or
persons. If the person or persons calling a special meeting of stockholders
gives notice thereof, such person or persons shall forward a copy thereof to the
Secretary. Every request to the Secretary for the giving of notice of a special
meeting of stockholders shall state the purpose or purposes of such meeting.

                  SECTION 4. Waiver of Notice. Notice of any annual or special
meeting of stockholders need not be given to any stockholder entitled to vote at
such meeting who files a written waiver of notice with the Secretary, duly
executed by the person entitled to notice, whether before or after the meeting.
Neither the business to be transacted at, nor the purpose of, any meeting of
stockholders need be specified in any written waiver of notice. Attendance of a
stockholder at a meeting, in person or by proxy, shall constitute a waiver of
notice of such meeting, except as provided by law.

                  SECTION 5. Adjournments. When a meeting is adjourned to
another date, hour or place, notice need not be given of the adjourned meeting
if the date, hour and place thereof are announced at the meeting at which the
adjournment is taken. If the adjournment is for more than 30 calendar days, or
if after the adjournment a new record date is fixed for the adjourned meeting, a
notice of the adjourned meeting shall be given to each stockholder of record
entitled to vote at the adjourned meeting. At the adjourned meeting any business
may be transacted which might have been transacted at the original meeting.

                  When any meeting is convened, the presiding officer, if
directed by the Board, may adjourn the meeting if (a) no quorum is present for
the transaction of business, or (b) the Board determines that adjournment is
necessary or appropriate to enable the stockholders (i) to consider fully
information which the Board determines has not been made sufficiently or timely
available to stockholders or (ii) otherwise to exercise effectively their voting
rights.



<PAGE>


                                        3

                  SECTION 6. Quorum. Except as otherwise provided by law or the
Restated Certificate of Incorporation of the Corporation (the "Restated
Certificate of Incorporation"), whenever a class of stock of the Corporation is
entitled to vote as a separate class, or whenever classes of stock of the
Corporation are entitled to vote together as a single class, on any matter
brought before any meeting of the stockholders, whether annual or special,
holders of shares entitled to cast a majority of the votes entitled to be cast
by all the holders of the shares of stock of such class voting as a separate
class, or classes voting together as a single class, as the case may be,
outstanding and entitled to vote thereat, present in person or by proxy, shall
constitute a quorum at any such meeting of the stockholders. If, however, such
quorum shall not be present or represented at any such meeting of the
stockholders, the stockholders entitled to vote thereat may adjourn the meeting
from time to time in accordance with Section 5 of this Article II until a quorum
shall be present or represented.

                  SECTION 7. Voting. Unless otherwise provided in the Restated
Certificate of Incorporation, each stockholder represented at a meeting of
stockholders shall be entitled to cast one vote for each share of capital stock
entitled to vote thereat held by such stockholder. Except as otherwise provided
by law or the Restated Certificate of Incorporation or these Bylaws, when a
quorum is present with respect to any matter brought before any meeting of the
stockholders, the vote of the holders of stock casting a majority of the votes
entitled to be cast by all the holders of the stock constituting such quorum
shall decide any such matter. Votes need not be by written ballot, unless the
Board, in its discretion, requires any vote or votes cast at such meeting to be
cast by written ballot.

                  SECTION 8. Proxies. Each stockholder entitled to vote at a
meeting of stockholders may authorize another person or persons to act for such
stockholder by proxy. Such proxy shall be filed with the Secretary before such
meeting of stockholders at such time as the Board may require. No proxy shall be
voted or acted upon after three years from its date, unless the proxy provides
for a longer period.

                  SECTION 9. Organization. Meetings of stockholders of the
Corporation shall be presided over by either Co-Chairman in accordance with
Article V, Section 5, or in the absence of either Co-Chairman by the President
and Chief Executive Officer ("President and CEO"), or in the absence of the
President and CEO by a director chosen by a majority of the directors present at
such meeting. The Secretary of the Corporation (the "Secretary"), or in the
absence of the Secretary an Assistant Secretary, shall act as secretary of the
meeting, but in the absence of the Secretary and any Assistant Secretary the
chairman of the meeting may appoint any person to act as secretary of the
meeting.

                  SECTION 10. Advance Notice of Business to Be Transacted at
Annual Meetings. (a) To be properly brought before the annual meeting of
stockholders, business must be either (i) specified in the notice of meeting (or
any supplement thereto) given by or at the direction of the Board (or any duly
authorized committee thereof), (ii) otherwise


<PAGE>


                                        4

properly brought before the meeting by or at the direction of the Board (or any
duly authorized committee thereof) or (iii) otherwise properly brought before
the meeting by any stockholder of the Corporation (A) who is a stockholder of
record on the date of the giving of the notice provided for in this Section 10
and on the record date for the determination of stockholders entitled to vote at
such meeting and (B) who complies with the notice procedures set forth in this
Section 10. In addition to any other applicable requirements, including but not
limited to the requirements of Rule 14a-8 promulgated by the Securities and
Exchange Commission under the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), for business to be properly brought before an annual meeting by
a stockholder pursuant to clause (iii) of this Section 10(a), such stockholder
must have given timely notice thereof in proper written form to the Secretary of
the Corporation.

                  (b) To be timely, a stockholder's notice to the Secretary
pursuant to clause (iii) of Section 10(a) must be delivered to or mailed and
received at the principal executive offices of the Corporation, not less than 60
days nor more than 90 days prior to the anniversary date of the immediately
preceding annual meeting of stockholders; provided, however, that in the event
that the annual meeting is called for a date that is not within 30 days before
or after such anniversary date, notice by the stockholder in order to be timely
must be so received not later than the close of business on the tenth day
following the day on which such notice of the date of the annual meeting is
mailed or such public disclosure of the date of the annual meeting is made,
whichever first occurs.

                  (c) To be in proper written form, a stockholder's notice to
the Secretary pursuant to clause (iii) of Section 10(a) must set forth as to
each matter such stockholder proposes to bring before the annual meeting (i) a
brief description of the business desired to be brought before the meeting and
the reasons for conducting such business at the meeting, (ii) the name and
record address of such stockholder, (iii) the class or series and number of
shares of capital stock of the Corporation which are owned beneficially or of
record by such stockholder, together with evidence reasonably satisfactory to
the Secretary of such beneficial ownership, (iv) a description of all
arrangements or understandings between such stockholder and any other person or
persons (including their names) in connection with the proposal of such business
by such stockholder and any material interest of such stockholder in such
business and (v) a representation that such stockholder intends to appear in
person or by proxy at the annual meeting to bring such business before the
meeting.

                  (d) Notwithstanding anything in these Bylaws to the contrary,
no business shall be conducted at the annual meeting of stockholders except
business brought before such meeting in accordance with the procedures set forth
in this Section 10; provided, however, that, once business has been properly
brought before such meeting in accordance with such procedures, nothing in this
Section 10 shall be deemed to preclude discussion by any stockholder of any such
business. If the chairman of such meeting determines that business was not
properly brought before the meeting in accordance with the foregoing procedures,


<PAGE>


                                        5

the chairman shall declare to the meeting that the business was not properly
brought before the meeting and such business shall not be transacted.


                                   ARTICLE III

                               BOARD OF DIRECTORS

                  SECTION 1. General Powers. The property, business and affairs
of the Corporation shall be managed by the Board, which may exercise all such
powers of the Corporation and do all such lawful acts and things as are not by
law or by the Restated Certificate of Incorporation directed or required to be
exercised or done by the stockholders.

                  SECTION 2. Number and Term of Holding Office. The Board of the
Corporation shall consist of 17 members. Until the third anniversary of the
Effective Time (as defined in the Agreement and Plan of Merger, dated as of
November 10, 1996, among the Corporation, Bergen Brunswig Corporation
("Bergen"), IVAX Corporation ("IVAX"), BBI-I Sub, Inc. and BBI-B Sub, Inc.): (a)
in the event the number of directors is reduced from time to time, the number of
IVAX Continuing Directors (as defined below) and Bergen Continuing Directors (as
defined below) shall be correspondingly reduced, so that at any time prior
thereto there shall be an equal number of IVAX Continuing Directors and Bergen
Continuing Directors, (b) the number of directors of the Corporation, as so
determined from time to time, is herein referred to as the "Whole Board"; and
(c)(i) the IVAX Continuing Directors shall, acting as a nominating committee of
the Board, propose for election by the shareholders those persons intended to
fill any vacancy caused by the expiration of the term, death, disability or
resignation of any IVAX Continuing Director and (ii) the Bergen Continuing
Directors shall, acting as a nominating Committee of the Board, propose for
election by the shareholders those persons intended to fill any vacancy caused
by the expiration of the term, death, disability or resignation of any Bergen
Continuing Director. Any such resolution increasing or decreasing the number of
directors shall have the effect of creating or eliminating a vacancy or
vacancies, as the case may be, provided that no such resolution shall reduce the
number of directors below the number then holding office. Except as provided in
Section 4 of this Article III, directors shall be elected by a plurality of the
votes cast at annual meetings of stockholders, and each director so elected
shall hold office as provided by Article VIII of the Restated Certificate of
Incorporation. None of the directors need be stockholders of the Corporation.

                  For purposes of this Section 2, all those directors initially
nominated by IVAX or their successors are herein referred to as the "IVAX
Continuing Directors," and all those directors initially nominated by Bergen or
their successors are herein referred to as the "Bergen Continuing Directors,"
except that the person nominated by Bergen to serve as President and CEO of the
Corporation shall not be deemed a "Bergen Continuing Director".


<PAGE>


                                        6


                  SECTION 3. Nomination of Directors and Advance Notice Thereof.
(a) Only persons who are nominated in accordance with the following procedures
shall be eligible for election as directors of the Corporation, except as may be
otherwise provided in the Restated Certificate of Incorporation with respect to
the right of holders of preferred stock of the Corporation to nominate and elect
a specified number of directors in certain circumstances. Nominations of persons
for election to the Board may be made at any annual meeting of stockholders, or
at any special meeting of stockholders called for the purpose of electing
directors, (i) by or at the direction of the Board (or any duly authorized
committee thereof) or (ii) by any stockholder of the Corporation (A) who is a
stockholder of record on the date of the giving of the notice provided for in
this Section 3 and on the record date for the determination of stockholders
entitled to vote at such meeting and (B) who complies with the notice procedures
set forth in this Section 3. In addition to any other applicable requirements,
for a nomination to be made by a stockholder pursuant to clause (ii) of this
Section 3(a), such stockholder must have given timely notice thereof in proper
written form to the Secretary of the Corporation.

                  (b) To be timely, a stockholder's notice to the Secretary
pursuant to clause (ii) of Section 3(a) must be delivered to or mailed and
received at the principal executive offices of the Corporation (i) in the case
of an annual meeting, not less than 60 days nor more than 90 days prior to the
anniversary date of the immediately preceding annual meeting of stockholders;
provided, however, that in the event that the annual meeting is called for a
date that is not within 30 days before or after such anniversary date, notice by
the stockholder in order to be timely must be so received not later than the
close of business on the tenth day following the day on which such notice of the
date of the annual meeting is mailed or such public disclosure of the date of
the annual meeting is made, whichever first occurs, or (ii) in the case of a
special meeting of stockholders called for the purpose of electing directors,
not later than the close of business on the tenth day following the day on which
notice of the date of the special meeting is mailed or public disclosure of the
date of the special meeting is made, whichever first occurs.

                  (c) To be in proper written form, a stockholder's notice to
the Secretary pursuant to clause (ii) of Section 3(a) must set forth (i) as to
each person whom the stockholder proposes to nominate for election as a
director, (A) the name, age, business address and residence address of the
person, (B) the principal occupation or employment of the person, (C) the class
or series and number of shares of capital stock of the Corporation which are
owned beneficially or of record by the person and (D) any other information
relating to the person that would be required to be disclosed in a proxy
statement or other filings required to be made in connection with solicitations
of proxies for election of directors pursuant to Section 14 of the Exchange Act
and the rules and regulations promulgated thereunder; and (ii) as to the
stockholder giving the notice, (A) the name and record address of such
stockholder, (B) the class or series and number of shares of capital stock of
the


<PAGE>


                                        7

Corporation which are owned beneficially or of record by such stockholder,
together with evidence reasonably satisfactory to the Secretary of such
beneficial ownership, (C) a description of all arrangements or understandings
between such stockholder and each proposed nominee and any other person or
persons (including their names) pursuant to which the nomination(s) are to be
made by such stockholder, (D) a representation that such stockholder intends to
appear in person or by proxy at the meeting to nominate the persons named in its
notice and (E) any other information relating to such stockholder that would be
required to be disclosed in a proxy statement or other filings required to be
made in connection with solicitations of proxies for election of directors
pursuant to Section 14 of the Exchange Act and the rules and regulations
promulgated thereunder. Such notice must be accompanied by a written consent of
each proposed nominee to being named as a nominee and to serve as a director if
elected.

                  (d) No person shall be eligible for election as a director of
the Corporation unless nominated in accordance with the procedures set forth in
this Section 3. If the chairman of the meeting determines that a nomination was
not made in accordance with the foregoing procedures, the chairman of the
meeting shall declare to the meeting that the nomination was defective and such
defective nomination shall be disregarded.

                  SECTION 4. Resignation. Any director may resign at any time by
giving written notice to the Board, either Co-Chairman of the Board, the
President and CEO or the Secretary of the Corporation. Any such resignation
shall take effect at the time specified therein or, if the time when it shall
become effective shall not be specified therein, then it shall take effect when
accepted by action of the Board. Except as aforesaid, acceptance of such
resignation shall not be necessary to make it effective.

                  SECTION 5. Vacancies. Until the third anniversary of the
Effective Time, any vacancy occurring in the Board (a) as a result of the death,
disability or resignation of any IVAX Continuing Director shall be filled by a
vote of the remaining IVAX Continuing Directors; (b) as a result of the death,
disability or resignation of any Bergen Continuing Director shall be filled by a
vote of the remaining Bergen Continuing Directors; and (c) half of the number of
any vacancies created by an increase in the number of directors shall be filled
by the IVAX Continuing Directors and half of the number of any such vacancies
shall be filled by the Bergen Continuing Directors. Subject to the foregoing,
any vacancy occurring in the Board, including a vacancy created by an increase
in the number of directors, may be filled by the stockholders or by the
affirmative vote of a majority of the remaining directors though less than a
quorum of the Board. A director elected to fill a vacancy shall hold office only
until the next election of directors by the stockholders. If there are no
remaining directors, the vacancy shall be filled by the stockholders.

                  SECTION 6. Meetings. (a) Annual Meetings. As soon as
practicable after each annual election of directors, the Board shall meet for
the purpose of organization and


<PAGE>


                                        8

the transaction of other business, unless it shall have transacted all such
business by written consent pursuant to Section 7 of this Article III.

                  (b) Other Meetings. Other meetings of the Board shall be held
at such times as the Board shall from time to time determine or upon call by
either Co-Chairman of the Board, the President and CEO or any two directors.

                  (c) Notice of Meetings. Regular meetings of the Board may be
held without notice. The Secretary of the Corporation shall give notice to each
director of each special meeting, including the time and place of such special
meeting. Notice of each such meeting shall be given to each director either by
mail, at least two days before the day on which such meeting is to be held, or
by telephone, telegram, facsimile, telex or cable not later than the day before
the day on which such meeting is to be held or on such shorter notice as the
person or persons calling such meeting may deem necessary or appropriate in the
circumstances. Notice of any meeting shall not be required to be given to any
director who shall attend such meeting. A waiver of notice by the person
entitled thereto, whether before or after the time of any such meeting, shall be
deemed equivalent to adequate notice.

                  (d) Place of Meetings. The Board may hold its meetings at such
place or places within or without the State of Delaware as the Board may from
time to time by resolution determine or as shall be designated in the respective
notices or waivers of notice thereof.

                  (e) Quorum and Manner of Acting. Except as otherwise provided
by law, the Restated Certificate of Incorporation or these Bylaws, a majority of
the total number of directors then in office shall be necessary at any meeting
of the Board in order to constitute a quorum for the transaction of business at
such meeting, and the affirmative vote of a majority of those directors present
at any such meeting at which a quorum is present shall be necessary for the
passage of any resolution or act of the Board. In the absence of a quorum for
any such meeting, a majority of the directors present thereat may adjourn such
meeting from time to time until a quorum shall be present thereat. Notice of any
adjourned meeting need not be given.

                  (f) Minutes of Meetings. The Secretary or, in the case of his
absence, any person (who shall be an Assistant Secretary, if an Assistant
Secretary is present) whom the chairman of the meeting shall appoint shall act
as secretary of such meeting and keep the minutes thereof.

                  SECTION 7. Action by Consent. Any action required or permitted
to be taken at any meeting of the Board or of any committee thereof may be taken
without a meeting if a written consent or consents thereto is signed by all
members of the Board or


<PAGE>


                                        9

such committee, as the case may be, and such written consent or consents are
filed with the minutes of the proceedings of the Board or such committee.

                  SECTION 8. Meetings by Conference Telephone, etc. Any one or
more members of the Board, or of any committee thereof, may participate in a
meeting of the Board, or of such committee, by means of conference telephone or
similar communications equipment by means of which all persons participating in
the meeting can hear each other, and participation in a meeting by such means
shall constitute presence in person at such meeting.

                  SECTION 9. Compensation. Each director, in consideration of
his serving as such, shall be entitled to receive from the Corporation such
amount per annum, if any, or such fees, if any, for attendance at meetings of
the Board or of any committee thereof, or both, as the Board shall from time to
time determine. The Board may likewise provide that the Corporation shall
reimburse each director or member of a committee for any expenses incurred by
him on account of his attendance at any such meeting. Nothing contained in this
Section 9 shall be construed to preclude any director from serving the
Corporation in any other capacity and receiving compensation therefor.


                                   ARTICLE IV

                                   COMMITTEES

                  SECTION 1. Committees. The Board, by resolution passed by a
majority of the number of directors constituting the whole Board, may designate
members of the Board to constitute one or more committees which shall in each
case consist of such number of directors, not fewer than two, and, to the extent
permitted by law and provided in the resolution establishing such committee,
shall have and exercise all the powers and authority of the Board in the
management of the business and affairs of the Corporation. In the event the
Board establishes an executive committee, such committee shall, at all times
during the first three years after the Effective Time, consist of the President
and CEO, the Co-Chairmen and an equal number of IVAX Continuing Directors and
Bergen Continuing Directors. The Board may designate one or more directors as
alternate members of any committee, who may replace any absent or disqualified
members at any meeting of any such committee. In the absence or disqualification
of a member of a committee, and in the absence of a designation by the Board of
an alternate member to replace the absent or disqualified member, the member or
members thereof present at any meeting and not disqualified from voting, whether
or not he or they constitute a quorum, may unanimously appoint another member of
the Board to act at the meeting in the place of any absent or disqualified
member. A majority of all the members of any such committee may fix its rules of
procedure, determine its action and fix the time and place, whether within or
without the State of Delaware, of its


<PAGE>


                                       10

meetings and specify what notice thereof, if any, shall be given, unless the
Board shall otherwise by resolution provide. The Board, upon approval of a
majority of the number of directors constituting the Whole Board, shall have
power to change the members of any such committee at any time, to fill vacancies
therein and to discharge any such committee, either with or without cause, at
any time. Each committee shall keep regular minutes and report to the Board when
required.


                                    ARTICLE V

                                    OFFICERS

                  SECTION 1. Officers. The officers of the Corporation shall be
the Co-Chairmen, the President and CEO, the Secretary and a Treasurer and may
include one or more Vice Presidents and one or more Assistant Secretaries and
one or more Assistant Treasurers. Any two or more offices may be held by the
same person.

                  SECTION 2. Authority and Duties. All officers shall have such
authority and perform such duties in the management of the Corporation as may be
provided in these Bylaws or, to the extent not so provided, by resolution of the
Board.

                  SECTION 3. Term of Office, Resignation and Removal. (a) Each
officer shall be appointed by the Board and shall hold office for such term as
may be determined by the Board; provided, however, that each of the Co-Chairmen
shall be appointed by a majority of the number of directors constituting the
Whole Board. Each officer shall hold office until his successor has been
appointed and qualified or his earlier death or resignation or removal in the
manner hereinafter provided. The Board may require any officer to give security
for the faithful performance of his duties.

                  (b) Any officer may resign at any time by giving written
notice to the Board, either Co-Chairman or the Secretary. Such resignation shall
take effect at the time specified in such notice or, if the time be not
specified, upon receipt thereof by the Board, such Co-Chairman or the Secretary,
as the case may be. Unless otherwise specified therein, acceptance of such
resignation shall not be necessary to make it effective.

                  (c) All officers and agents appointed by the Board shall be
subject to removal, with or without cause, at any time by the Board or by the
action of the recordholders of a majority of the Shares entitled to vote
thereon.

                  SECTION 4. Vacancies. Any vacancy occurring in any office of
the Corporation, for any reason, shall be filled by action of the Board. Unless
earlier removed pursuant to Section 3 hereof, any officer appointed by the Board
to fill any such vacancy


<PAGE>


                                       11

shall serve only until such time as the unexpired term of his predecessor
expires unless reappointed by the Board.

                  SECTION 5. The Co-Chairmen. Each of the Co-Chairmen shall have
the power to call special meetings of stockholders and to call special meetings
of the Board. The eldest Co-Chairman present shall preside at the first meeting
of the Board and the first meeting of stockholders. At each subsequent meeting
of the Board and each subsequent meeting of stockholders, the Co-Chairman who
did not preside at the most recent meeting of the Board, in the case of meetings
of the Board, or the most recent meeting of stockholders, in the case of
meetings of stockholders, shall preside if present. If neither Co-Chairman is
present at a meeting of the Board or at a meeting of the stockholders, the
President and CEO shall preside, and if the President and CEO is not present at
such meeting, a director chosen by a majority of the directors present shall
preside over the meeting. The Co-Chairmen shall have general and active
management and control of the business and affairs of the Corporation, subject
to the control of the Board, and shall see that all orders and resolutions of
the Board are carried into effect. The Co-Chairmen shall perform all duties
incident to the office of Chairman of the Board and all such other duties as may
from time to time be assigned to them by the Board or these Bylaws.

                  SECTION 6. The President and Chief Executive Officer. The
President and CEO shall exercise supervision over the business of the
Corporation and over its several officers, subject, however, to the oversight of
the Co-Chairmen.

                  SECTION 7. Vice Presidents. Vice Presidents, if any, in such
order as may be determined by the Board, shall generally assist the Co-Chairmen
and perform such other duties as the Board or the Co-Chairmen shall prescribe,
and in the absence or disability of the Co-Chairmen, shall perform the duties
and exercise the powers of the Co-Chairmen.

                  SECTION 8. The Secretary. The Secretary shall, to the extent
practicable, attend all meetings of the Board and all meetings of stockholders
and shall record all votes and the minutes of all proceedings in a book to be
kept for that purpose, and shall perform the same duties for any committee of
the Board when so requested by such committee. He shall give or cause to be
given notice of all meetings of stockholders and of the Board, shall perform
such other duties as may be prescribed by the Board or the Co-Chairmen and shall
act under the supervision of the Co-Chairmen. He shall keep in safe custody the
seal of the Corporation and affix the same to any instrument that requires that
the seal be affixed to it and which shall have been duly authorized for
signature in the name of the Corporation and, when so affixed, the seal shall be
attested by his signature or by the signature of the Treasurer of the
Corporation (the "Treasurer") or an Assistant Secretary or Assistant Treasurer
of the Corporation. He shall keep in safe custody the certificate books and
stockholder records and such other books and records of the Corporation as the
Board or the Co-Chairmen may direct and shall perform all other duties incident
to the office of Secretary


<PAGE>


                                       12

and such other duties as from time to time may be assigned to him by the Board
or the Co-Chairmen.

                  SECTION 9. Assistant Secretaries. Assistant Secretaries of the
Corporation ("Assistant Secretaries"), if any, in order of their seniority or in
any other order determined by the Board, shall generally assist the Secretary
and perform such other duties as the Board of the Secretary shall prescribe,
and, in the absence or disability of the Secretary, shall perform the duties and
exercise the powers of the Secretary.

                  SECTION 10. Chief Financial Officer. The Chief Financial
Officer shall exercise supervision over all of the financial affairs of the
Corporation, shall perform such other duties as may be prescribed by the Board,
the Co-Chairmen or the President and CEO and shall act under the supervision of
the Co-Chairmen and the President and CEO.

                  SECTION 11. The Treasurer. The Treasurer shall have the care
and custody of all the funds of the Corporation and shall deposit such funds in
such banks or other depositories as the Board, or any officer or officers, or
any officer and agent jointly, duly authorized by the Board, shall, from time to
time, direct or approve. He shall disburse the funds of the Corporation under
the direction of the Board and the Co-Chairmen. He shall keep a full and
accurate account of all moneys received and paid on account of the Corporation
and shall render a statement of his accounts whenever the Board or the
Co-Chairmen shall so request. He shall perform all other necessary actions and
duties in connection with the administration of the financial affairs of the
Corporation and shall generally perform all the duties usually appertaining to
the office of treasurer of a corporation. When required by the Board, he shall
give bonds for the faithful discharge of his duties in such sums and with such
sureties as the Board shall approve.

                  SECTION 12. Assistant Treasurers. Assistant Treasurers of the
Corporation ("Assistant Treasurers"), if any, in order of their seniority or in
any other order determined by the Board, shall generally assist the Treasurer
and perform such other duties as the Board or the Treasurer shall prescribe,
and, in the absence or disability of the Treasurer, shall perform the duties and
exercise the powers of the Treasurer.

                  SECTION 13. Additional Officers. The Board or both Co-Chairmen
may appoint such other officers and assistant officers and agents as it shall
deem necessary, who shall hold their offices for such terms and shall have
authority and exercise such powers and perform such duties as shall be
determined from time to time by the Board, by resolution not inconsistent with
these Bylaws, or by both Co-Chairmen.

                  SECTION 14. Removal of Certain Officers. Neither of the
Co-Chairmen nor the President and CEO may be removed from office unless such
removal shall have first been approved by two-thirds of the number of directors
constituting the Whole Board.


<PAGE>


                                       13



                                   ARTICLE VI

                  DIVIDENDS, CHECKS, DRAFTS, NOTES AND PROXIES

                  SECTION 1. Dividends. Dividends shall be declared only out of
any assets or funds of the Corporation legally available for the payment of
dividends at such times as the Board shall direct. Dividends shall be paid to
holders of the stock of the Corporation in U.S. dollars.

                  SECTION 2. Checks, Drafts and Notes. All checks, drafts and
other orders for the payment of money, notes and other evidences of indebtedness
issued in the name of the Corporation shall be signed by such officer or
officers, agent or agents of the Corporation and in such manner as shall be
determined, from time to time, by resolution of the Board.

                  SECTION 3. Execution of Proxies. Either Co-Chairman or, in the
absence or disability of both of them, the President and CEO, any Vice
President, may authorize, from time to time, the execution and issuance of
proxies to vote shares of stock or other securities of other corporations held
of record by the Corporation and the execution of consents to action taken or to
be taken by any such corporation. All such proxies and consents, unless
otherwise authorized by the Board, shall be signed in the name of the
Corporation by either Co-Chairman, the President and CEO or any Vice President.


                                   ARTICLE VII

                          SHARES AND TRANSFER OF SHARES

                  SECTION 1. Certificates of Stock. Every owner of shares of
stock of the Corporation shall be entitled to have a certificate evidencing the
number of shares of stock of the Corporation owned by him or it and designating
the class of stock to which such shares belong, which shall otherwise be in such
form as the Board shall prescribe. Each such certificate shall bear the
signature (or a facsimile thereof) of either Co-Chairman of the Board, the
President and CEO or any Vice President and of the Treasurer or any Assistant
Treasurer or the Secretary or any Assistant Secretary of the Corporation.

                  SECTION 2. Record. A record shall be kept of the name of the
person, firm or corporation owning the stock represented by each certificate
evidencing stock of the Corporation issued, the number of shares represented by
each such certificate, and the date thereof, and, in the case of cancellation,
the date of cancellation. Except as otherwise expressly required by law, the
person in whose name shares of stock stand on the books of


<PAGE>


                                       14

the Corporation shall be deemed the owner thereof for all purposes as regards
the Corporation.

                  SECTION 3. Transfer of Stock. (a) The transfer of shares of
stock and the certificates evidencing such shares of stock of the Corporation
shall be governed by Article 8 of Subtitle I of Title 6 of the Delaware Code
(the Uniform Commercial Code), as amended from time to time.

                  (b) Registration of transfers of shares of stock of the
Corporation shall be made only on the books of the Corporation upon request of
the registered holder thereof, or of his attorney thereunto authorized by power
of attorney duly executed and filed with the Secretary of the Corporation, and
upon the surrender of the certificate or certificates evidencing such shares
properly endorsed or accompanied by a stock power duly executed.

                  SECTION 4. Addresses of Stockholders. Each stockholder shall
designate to the Secretary of the Corporation an address at which notices of
meetings and all other corporate notices may be served or mailed to him, and, if
any stockholder shall fail to so designate such an address, corporate notices
may be served upon him by mail directed to him at his post office address, if
any, as the same appears on the share record books of the Corporation or at his
last known post office address.

                  SECTION 5. Lost, Destroyed or Mutilated Certificates. A holder
of any shares of stock of the Corporation shall promptly notify the Corporation
of any loss, destruction or mutilation of any certificate or certificates
evidencing all or any such shares of stock. The Board may, in its discretion,
cause the Corporation to issue a new certificate in place of any certificate
theretofore issued by it and alleged to have been mutilated, lost, stolen or
destroyed, upon the surrender of the mutilated certificate or, in the case of
loss, theft or destruction of the certificate, upon satisfactory proof of such
loss, theft or destruction, and the Board may, in its discretion, require the
owner of the lost, stolen or destroyed certificate or his legal representative
to give the Corporation a bond sufficient to indemnify the Corporation against
any claim made against it on account of the alleged loss, theft or destruction
of any such certificate or the issuance of such new certificate.

                  SECTION 6. Facsimile Signatures. Any or all of the signatures
on a certificate evidencing shares of stock of the Corporation may be
facsimiles.

                  SECTION 7. Regulations. The Board may make such rules and
regulations as it may deem expedient, not inconsistent with the Restated
Certificate of Incorporation or these Bylaws, concerning the issue, transfer and
registration of certificates evidencing stock of the Corporation. It may
appoint, or authorize any principal officer or officers to appoint, one or more
transfer agents and one or more registrars, and may require all certificates of
stock to bear the signature or signatures (or a facsimile or facsimiles thereof)
of any of them.


<PAGE>


                                       15

The Board may at any time terminate the employment of any transfer agent or any
registrar of transfers. In case any officer, transfer agent or registrar who has
signed or whose facsimile signature has been placed upon a certificate shall
cease to be such officer, transfer agent or registrar, whether because of death,
resignation, removal or otherwise, before such certificate or certificates shall
have been delivered by the Corporation, such certificate or certificates may
nevertheless be adopted by the Corporation and be issued and delivered as though
the person or persons who signed or whose facsimile signature has been placed
upon such certificate or certificates had not ceased to be such officer,
transfer agent or registrar.

                  SECTION 8. Record Date. In order that the Corporation may
determine the stockholders entitled to notice of, or to vote at, any meeting of
stockholders or any adjournment thereof, or entitled to receive payment of any
dividend or other distribution or allotment of any rights, or entitled to
exercise any rights in respect of any change, conversion or exchange of stock or
for the purpose of any other lawful action, the Board may fix, in advance, a
record date, which shall not be more than 60 nor less than 10 days before the
date of such meeting, nor more than 60 days prior to any other such action. A
determination of stockholders entitled to notice of, or to vote at, any meeting
of stockholders shall apply to any adjournment of the meeting; provided,
however, that the Board may fix a new record date for the adjourned meeting.

                  SECTION 9. Registered Stockholders. The Corporation shall be
entitled to recognize the exclusive right of a person registered on its records
as the owner of shares of stock to receive dividends and to vote as such owner,
shall be entitled to hold liable for calls and assessments a person registered
on its records as the owner of shares of stock, and shall not be bound to
recognize any equitable or other claim to or interest in such share or shares of
stock on the part of any other person, whether or not it shall have express or
other notice thereof, except as otherwise provided by the laws of the State of
Delaware.


                                  ARTICLE VIII

                                BOOKS AND RECORDS

                  SECTION 1. Books and Records. The books and records of the
Corporation may be kept at such place or places within or without the State of
Delaware as the Board may from time to time determine.




<PAGE>


                                       16

                                   ARTICLE IX

                                      SEAL

                  SECTION 1. Seal. The Board shall provide a corporate seal
which shall bear the full name of the Corporation.


                                    ARTICLE X

                                   FISCAL YEAR

                  SECTION 1. Fiscal Year. The fiscal year of the Corporation
shall be fixed, and shall be subject to change from time to time, by the Board.


                                   ARTICLE XI

                                 INDEMNIFICATION

                  SECTION 1. Indemnification. (a) General. The Corporation shall
indemnify any person who was or is a party or is threatened to be made a party
to any threatened, pending or completed action, suit or proceeding, whether
civil, criminal, administrative or investigative (other than an action by or in
the right of the Corporation) by reason of the fact that he is or was a
director, officer, employee or agent of the Corporation, or is or was serving at
the request of the Corporation as a director, officer, employee or agent of
another corporation, partnership, joint venture, trust or other enterprise, to
the full extent authorized or permitted by law, as now or hereafter in effect,
against expenses (including attorneys' fees), judgments, fines and amounts paid
in settlement actually and reasonably incurred by him in connection with such
action, suit or proceeding if he acted in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of the
Corporation, and, with respect to any criminal action or proceeding, had no
reasonable cause to believe his conduct was unlawful. The termination of any
action, suit or proceeding by judgment, order, settlement or conviction, or upon
a plea of nolo contendere or its equivalent, shall not, of itself, create a
presumption that the person seeking indemnification did not act in good faith
and in a manner which he reasonably believed to be in or not opposed to the best
interests of the Corporation, and, with respect to any criminal action or
proceeding, had reasonable cause to believe that his conduct was unlawful.

                  (b) Derivative Actions. The Corporation shall indemnify any
person who was or is a party or is threatened to be made a party to any
threatened, pending or completed action or suit by or in the right of the
Corporation to procure a judgment in its favor by


<PAGE>


                                       17

reason of the fact that he is or was a director, officer, employee or agent of
the Corporation, or is or was serving at the request of the Corporation as a
director, officer, employee or agent of another corporation, partnership, joint
venture, trust or other enterprise, to the full extent authorized or permitted
by law, as now or hereafter in effect, against expenses (including attorneys'
fees) actually and reasonably incurred by him in connection with the defense or
settlement of such action or suit if he acted in good faith and in a manner he
reasonably believed to be in or not opposed to the best interests of the
Corporation; provided, however, that no indemnification shall be made in respect
of any claim, issue or matter as to which such person shall have been adjudged
to be liable to the Corporation unless and only to the extent that the Court of
Chancery of the State of Delaware or the court in which such action or suit was
brought shall determine upon application that, despite the adjudication of
liability but in view of all the circumstances of the case, such person is
fairly and reasonably entitled to indemnity for such expenses which the Court of
Chancery or such other court shall deem proper.

                  (c) Successful Defense. To the extent that a director,
officer, employee or agent of the Corporation has been successful on the merits
or otherwise in defense of any action, suit or proceeding referred to in
subsections (a) and (b) above, or in defense of any claim, issue or matter
therein, he shall be indemnified against expenses (including attorneys' fees)
actually and reasonably incurred by him in connection therewith.

                  (d) Proceedings Initiated by any Person. Notwithstanding
anything to the contrary contained in subsections (a) or (b) above, except for
proceedings to enforce rights to indemnification, the Corporation shall not be
obligated to indemnify any person in connection with a proceeding (or part
thereof) initiated by such person unless such proceeding (or part thereof) was
authorized in advance, or unanimously consented to, by the Board.

                  (e) Procedure. Any indemnification under subsections (a) and
(b) above (unless ordered by a court) shall be made by the Corporation only as
authorized in the specific case upon a determination that indemnification of the
director, officer, employee or agent is proper in the circumstances because he
has met the applicable standard of conduct set forth in subsections (a) and (b)
above. Such determination shall be made (i) by a majority vote of a quorum of
the directors who are not parties to such action, suit or proceeding, or (ii) if
such a quorum is not obtainable, or, even if obtainable, a quorum of
disinterested directors so directs, by independent legal counsel in a written
opinion, or (iii) by the stockholders of the Corporation.

                  (f) Advancement of Expenses. Expenses (including attorneys'
fees) incurred by a director or an officer in defending any civil, criminal,
administrative or investigative action, suit or proceeding shall be paid by the
Corporation in advance of the final disposition of such action, suit or
proceeding upon receipt of an undertaking in form and substance satisfactory to
the Corporation by or on behalf of such director or officer to


<PAGE>


                                       18

repay such amount if it shall ultimately be determined that he is not entitled
to be indemnified by the Corporation pursuant to this Article XI. Such expenses
(including attorneys' fees) incurred by other employees and agents may be so
paid upon such terms and conditions, if any, as the Board deems appropriate.

                  (g) Rights Not Exclusive. The indemnification and advancement
of expenses provided by, or granted pursuant to, the other subsections of this
Article XI shall not be deemed exclusive of any other rights to which those
seeking indemnification or advancement of expenses may be entitled under any
law, by-law, agreement, vote of stockholders or disinterested directors or
otherwise, both as to action in his official capacity and as to action in
another capacity while holding such office.

                  (h) Insurance. The Corporation may purchase and maintain
insurance on behalf of any person who is or was a director, officer, employee or
agent of the Corporation, or is or was serving at the request of the Corporation
as a director, officer, employee or agent of another corporation, partnership,
joint venture, trust or other enterprise, against any liability asserted against
him and incurred by him in any such capacity, or arising out of his status as
such, whether or not the Corporation would have the power to indemnify him
against such liability under the provisions of the General Corporation Law of
the State of Delaware.

                  (i) Definition of "Corporation". For purposes of this Article
XI, references to "the Corporation" shall include, in addition to the resulting
corporation, any constituent corporation (including any constituent of a
constituent) absorbed in a consolidation or merger which, if its separate
existence had continued, would have had power and authority to indemnify its
directors, officers, employees or agents so that any person who is or was a
director, officer, employee or agent of such constituent corporation, or is or
was serving at the request of such constituent corporation as a director,
officer, employee or agent of another corporation, partnership, joint venture,
trust or other enterprise, shall stand in the same position under the provisions
of this Article XI with respect to the resulting or surviving corporation as he
would have with respect to such constituent corporation if its separate
existence had continued.

                  (j) Certain Other Definitions. For purposes of this Article
XI, references to "other enterprises" shall include employee benefit plans;
references to "fines" shall include any excise taxes assessed on a person with
respect to any employee benefit plan; and references to "serving at the request
of the Corporation" shall include any service as a director, officer, employee
or agent of the Corporation which imposes duties on, or involves service by,
such director, officer, employee or agent with respect to an employee benefit
plan, its participants or beneficiaries; and a person who acted in good faith
and in a manner he reasonably believed to be in the interest of the participants
and beneficiaries of an


<PAGE>


                                       19

employee benefit plan shall be deemed to have acted in a manner "not opposed to
the best interests of the Corporation," as referred to in this Article XI.

                  (k) Continuation of Rights. The indemnification and
advancement of expenses provided by, or granted pursuant to, this Article XI
shall, unless otherwise provided when authorized or ratified, continue as to a
person who has ceased to be a director, officer, employee or agent and shall
inure to the benefit of the heirs, executors and administrators of such a
person.

                  (l) Repeal or Modification. Any repeal or modification of this
Article XI by the stockholders of the Corporation shall not adversely affect any
rights to indemnification and to advancement of expenses that any person may
have at the time of such repeal or modification with respect to any acts or
omissions occurring prior to such repeal or modification.

                  (m) Action Against Corporation. Notwithstanding any provisions
of this Article XI to the contrary, no person shall be entitled to
indemnification or advancement of expenses under this Article XI with respect to
any action, suit or proceeding, or any claim therein, brought or made by him
against the Corporation.


                                   ARTICLE XII

                                   AMENDMENTS

                  SECTION 1. Amendments. These Bylaws, or any of them, may be
altered, amended or repealed, or new bylaws may be made, but only to the extent
any such alteration, amendment, repeal or new bylaw is not inconsistent with any
provision of the Certificate of Incorporation, either by a majority of the
number of directors constituting the Whole Board or by the stockholders of the
Corporation upon the affirmative vote of the holders of 80% of the outstanding
shares of capital stock of the Corporation entitled to vote thereon; provided,
however, that until the third anniversary of the Effective Time, Article I,
Section 2, Article III, Section 2, Article III, Section 5, Article IV, Section 1
and Article V, Section 5 may be amended only upon the affirmative vote of
two-thirds of the number of directors constituting the Whole Board; provided
further, however, that Article V, Section 14 may be amended only after the third
anniversary of the Effective Time. This Section 1 may be altered, amended, or
repealed, but only to the extent any such alteration, amendment or repeal is not
inconsistent with any provision of the Certificate of Incorporation, only upon
the affirmative vote of two-thirds of the number of directors constituting the
Whole Board.




<PAGE>


                                                                 EXHIBIT 6.05(a)


                          FORM OF IVAX AFFILIATE LETTER


BBI Healthcare Corporation
4400 Biscayne Boulevard
Miami, FL  33137

IVAX Corporation
4400 Biscayne Boulevard
Miami, FL  33137

Gentlemen:

                  I have been advised that as of the date of this letter I may
be deemed to be an "affiliate" of IVAX, a Florida corporation ("IVAX"), as the
term "affiliate" is (i) defined for purposes of paragraphs (c) and (d) of Rule
145 of the rules and regulations (the "Rules and Regulations") of the Securities
and Exchange Commission (the "Commission") under the Securities Act of 1933, as
amended (the "Act"), and/or (ii) used in and for purposes of Accounting Series
Releases 130 and 135, as amended, of the Commission. Pursuant to the terms of
the Agreement and Plan of Merger, dated as of November 10, 1996 (the
"Agreement"), among BBI Healthcare Corporation, a Delaware corporation ("BBI"),
IVAX, Bergen, a New Jersey corporation ("Bergen"), BBI-I Sub, Inc., a Florida
corporation and a wholly owned subsidiary of BBI ("IVAX Merger Sub"), and BBI-B
Sub, Inc., a New Jersey corporation and a wholly owned subsidiary of BBI
("Bergen Merger Sub"), BBI shall acquire (i) the common stock, par value $.10
per share, of IVAX ("IVAX Common Stock") through the merger of IVAX Merger Sub
with and into IVAX (the "IVAX Merger"), and (ii) the Class A common stock, par
value $1.50 per share, of Bergen through the merger of Bergen Merger Sub with
and into Bergen (the "Bergen Merger" and, together with the IVAX Merger, the
"Mergers"), and the shareholders of each of IVAX and Bergen shall receive shares
of common stock, par value $.01 per share, of BBI ("BBI Common Stock"), in
proportion to their interests in IVAX and Bergen, respectively.

                  As a result of the Mergers, I may receive shares of BBI Common
Stock in exchange for shares (or upon exercise of options for shares) owned by
me of IVAX Common Stock ("BBI Securities").

                  I represent, warrant and covenant to Bergen and BBI that in
the event I receive any shares of BBI Securities as a result of the Mergers:




<PAGE>


                                        2

                           A. I shall not make any sale, transfer or other
         disposition of BBI Securities in violation of the Act or the Rules and
         Regulations.

                           B. I have carefully read this letter and the
         Agreement and discussed the requirements of such documents and other
         applicable limitations upon my ability to sell, transfer or otherwise
         dispose of BBI Securities to the extent I felt necessary, with my
         counsel or counsel for IVAX.

                           C. I have been advised that the issuance of BBI
         Securities to me pursuant to the Mergers shall be registered with the
         Commission under the Act on a Registration Statement on Form S-4.
         However, I have also been advised that, since (a) at the time the
         Mergers shall be submitted for a vote of the shareholders of IVAX, I
         may be deemed to be an affiliate of IVAX and (b) the distribution by me
         of BBI Securities has not been registered under the Act, I may not
         sell, transfer or otherwise dispose of BBI Securities issued to me in
         the Mergers unless (i) such sale, transfer or other disposition is made
         in conformity with the volume and other limitations of Rule 145
         promulgated by the Commission under the Act, (ii) such sale, transfer
         or other disposition has been registered under the Act or (iii) in the
         opinion of counsel reasonably acceptable to BBI (it being understood
         that the law firms of Stearns, Weaver, Miller, Weissler, Alhadeff &
         Sitterson, P.A. and Shearman & Sterling are deemed to be reasonably
         satisfactory to BBI), such sale, transfer or other disposition is
         otherwise exempt from registration under the Act.

                           D. I understand that, except as provided in the
         Agreement, BBI is under no obligation to register the sale, transfer or
         other disposition of BBI Securities by me or on my behalf under the Act
         or to take any other action necessary in order to make compliance with
         an exemption from such registration available.

                           E. I also understand that stop transfer instructions
         will be given to BBI's transfer agents with respect to BBI Securities
         issued to me and that there will be placed on the certificates for BBI
         Securities issued to me, or any substitutions therefor, a legend
         stating in substance:

                           "THE SHARES REPRESENTED BY THIS CERTIFICATE WERE
                           ISSUED IN A TRANSACTION TO WHICH RULE 145 PROMULGATED
                           UNDER THE SECURITIES ACT OF 1933 APPLIES. THE SHARES
                           REPRESENTED BY THIS CERTIFICATE MAY ONLY BE
                           TRANSFERRED IN ACCORDANCE WITH THE TERMS OF AN
                           AGREEMENT DATED        BETWEEN THE REGISTERED HOLDER
                           HEREOF AND BBI, A COPY OF WHICH AGREEMENT IS ON FILE
                           AT THE PRINCIPAL OFFICES OF BBI."




<PAGE>


                                        3

                           F. I also understand that, unless the sale or
         transfer by me of BBI Securities has been registered under the Act or
         is a sale made in conformity with the provisions of Rule 145, BBI
         reserves the right to put the following legend on the certificates
         issued to my transferee:

                           "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT
                           BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 AND
                           WERE ACQUIRED FROM A PERSON WHO RECEIVED SUCH SHARES
                           IN A TRANSACTION TO WHICH RULE 145 PROMULGATED UNDER
                           THE SECURITIES ACT OF 1933 APPLIES. THE SHARES HAVE
                           BEEN ACQUIRED BY THE HOLDER NOT WITH A VIEW TO, OR
                           FOR RESALE IN CONNECTION WITH, ANY DISTRIBUTION
                           THEREOF WITHIN THE MEANING OF THE SECURITIES ACT OF
                           1933 AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE
                           TRANSFERRED EXCEPT IN ACCORDANCE WITH AN EXEMPTION
                           FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES
                           ACT OF 1933."

                  I further represent to, and covenant with, BBI that I will not
sell, transfer or otherwise dispose of, or execute any cashless exercise of
stock options or warrants for, (i) any IVAX Common Stock during the 30 days
immediately preceding the effective date of the Mergers, or (ii) any BBI
Securities received by me in the Mergers or any other shares of the capital
stock of BBI or enter into any arrangement to reduce my risk relating to IVAX
Common Stock or such BBI Securities until after such time as results covering at
least 30 days of combined operations of IVAX and Bergen have been published by
BBI, in the form of a quarterly earnings report, an effective registration
statement filed with the Commission, a report to the Commission on Form 10-K,
10-Q or 8-K, or any other public filing or announcement which includes such
combined results of operations. BBI shall notify the "affiliates" of the
publication of such results.





<PAGE>


                                        4

                  Execution of this letter should not be considered an admission
on my part that I am an "affiliate" of IVAX as described in the first paragraph
of this letter, or as a waiver of any rights I may have to object to any claim
that I am such an affiliate on or after the date of this letter.

                                                    Very truly yours,



                                                    ____________________________
                                                    Name:


Accepted this ____ day of
November, 1996, by

BERGEN CORPORATION



By: _____________________________
      Name:
      Title:


BBI HEALTHCARE CORPORATION



By: _____________________________
      Name:
      Title:


<PAGE>

                                                                 EXHIBIT 6.05(b)


                         FORM OF BERGEN AFFILIATE LETTER



BBI Healthcare Corporation
4400 Biscayne Boulevard
Miami, FL  33137

Bergen Corporation
4000 Metropolitan Drive
Orange, CA  92668

Gentlemen:

                  I have been advised that as of the date of this letter I may
be deemed to be an "affiliate" of Bergen, a New Jersey corporation ("Bergen"),
as the term "affiliate" is (i) defined for purposes of paragraphs (c) and (d) of
Rule 145 of the rules and regulations (the "Rules and Regulations") of the
Securities and Exchange Commission (the "Commission") under the Securities Act
of 1933, as amended (the "Act"), and/or (ii) used in and for purposes of
Accounting Series Releases 130 and 135, as amended, of the Commission. Pursuant
to the terms of the Agreement and Plan of Merger, dated as of November 10, 1996
(the "Agreement"), among BBI Healthcare Corporation, a Delaware corporation
("BBI"), IVAX, a Florida corporation ("IVAX"), Bergen, BBI-I Sub, Inc., a
Florida corporation and a wholly owned subsidiary of BBI ("IVAX Merger Sub"),
and BBI-B Sub, Inc., a New Jersey corporation and a wholly owned subsidiary of
BBI ("Bergen Merger Sub"), BBI shall acquire (i) the common stock, par value
$.10 per share, of IVAX ("IVAX Common Stock") through the merger of IVAX Merger
Sub with and into IVAX (the "IVAX Merger"), and (ii) the Class A common stock,
par value $1.50 per share, of Bergen through the merger of Bergen Merger Sub
with and into Bergen (the "Bergen Merger" and, together with the IVAX Merger,
the "Mergers"), and the shareholders of each of IVAX and Bergen shall receive
shares of common stock, par value $.01 per share, of BBI ("BBI Common Stock"),
in proportion to their interests in IVAX and Bergen, respectively.

                  As a result of the Mergers, I may receive shares of BBI Common
Stock in exchange for shares (or upon exercise of options for shares) owned by
me of Bergen Common Stock ("BBI Securities").

                  I represent, warrant and covenant to IVAX and BBI that in the
event I receive any shares of BBI Securities as a result of the Mergers:




<PAGE>


                                        2

                           A. I shall not make any sale, transfer or other
         disposition of BBI Securities in violation of the Act or the Rules and
         Regulations.

                           B. I have carefully read this letter and the
         Agreement and discussed the requirements of such documents and other
         applicable limitations upon my ability to sell, transfer or otherwise
         dispose of BBI Securities, to the extent I felt necessary, with my
         counsel or counsel for Bergen.

                           C. I have been advised that the issuance of BBI
         Securities to me pursuant to the Mergers shall be registered with the
         Commission under the Act on a Registration Statement on Form S-4.
         However, I have also been advised that, since (a) at the time the
         Mergers shall be submitted for a vote of the shareholders of Bergen, I
         may be deemed to be an affiliate of Bergen and (b) the distribution by
         me of BBI Securities has not been registered under the Act, I may not
         sell, transfer or otherwise dispose of BBI Securities issued to me in
         the Mergers unless (i) such sale, transfer or other disposition is made
         in conformity with the volume and other limitations of Rule 145
         promulgated by the Commission under the Act, (ii) such sale, transfer
         or other disposition has been registered under the Act or (iii) in the
         opinion of counsel reasonably acceptable to BBI (it being understood
         that the law firms of Stearns, Weaver, Miller, Weissler, Alhadeff &
         Sitterson, P.A. and Shearman & Sterling are deemed to be reasonably
         satisfactory to BBI), such sale, transfer or other disposition is
         otherwise exempt from registration under the Act.

                           D. I understand that, except as provided for in the
         Agreement, BBI is under no obligation to register the sale, transfer or
         other disposition of BBI Securities by me or on my behalf under the Act
         or to take any other action necessary in order to make compliance with
         an exemption from such registration available.

                           E. I also understand that stop transfer instructions
         will be given to BBI's transfer agents with respect to BBI Securities
         issued to me and that there will be placed on the certificates for BBI
         Securities issued to me, or any substitutions therefor, a legend
         stating in substance:

                           "THE SHARES REPRESENTED BY THIS CERTIFICATE WERE
                           ISSUED IN A TRANSACTION TO WHICH RULE 145 PROMULGATED
                           UNDER THE SECURITIES ACT OF 1933 APPLIES. THE SHARES
                           REPRESENTED BY THIS CERTIFICATE MAY ONLY BE
                           TRANSFERRED IN ACCORDANCE WITH THE TERMS OF AN
                           AGREEMENT DATED         BETWEEN THE REGISTERED HOLDER
                           HEREOF AND BBI, A COPY OF WHICH AGREEMENT IS ON FILE
                           AT THE PRINCIPAL OFFICES OF BBI."




<PAGE>


                                        3

                           F. I also understand that, unless the sale or
         transfer by me of BBI Securities has been registered under the Act or
         is a sale made in conformity with the provisions of Rule 145, BBI
         reserves the right to put the following legend on the certificates
         issued to my transferee:

                           "THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT
                           BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933 AND
                           WERE ACQUIRED FROM A PERSON WHO RECEIVED SUCH SHARES
                           IN A TRANSACTION TO WHICH RULE 145 PROMULGATED UNDER
                           THE SECURITIES ACT OF 1933 APPLIES. THE SHARES HAVE
                           BEEN ACQUIRED BY THE HOLDER NOT WITH A VIEW TO, OR
                           FOR RESALE IN CONNECTION WITH, ANY DISTRIBUTION
                           THEREOF WITHIN THE MEANING OF THE SECURITIES ACT OF
                           1933 AND MAY NOT BE SOLD, PLEDGED OR OTHERWISE
                           TRANSFERRED EXCEPT IN ACCORDANCE WITH AN EXEMPTION
                           FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES
                           ACT OF 1933."

                  I further represent to, and covenant with, BBI that I will not
sell, transfer or otherwise dispose of, or execute any cashless exercise of
stock options or warrants for, (i) any Bergen Common Stock during the 30 days
immediately preceding the effective date of the Mergers, or (ii) any BBI
Securities received by me in the Mergers or any other shares of the capital
stock of BBI or enter into any arrangement to reduce my risk relating to IVAX
Common Stock or such BBI Securities until after such time as results covering at
least 30 days of combined operations of IVAX and Bergen have been published by
BBI, in the form of a quarterly earnings report, an effective registration
statement filed with the Commission, a report to the Commission on Form 10-K,
10-Q or 8-K, or any other public filing or announcement which includes such
combined results of operations. BBI shall notify the "affiliates" of the
publication of such results.





<PAGE>


                                        4

                  Execution of this letter should not be considered an admission
on my part that I am an "affiliate" of Bergen as described in the first
paragraph of this letter, or as a waiver of any rights I may have to object to
any claim that I am such an affiliate on or after the date of this letter.

                                                        Very truly yours,



                                                        ________________________
                                                        Name:


Accepted this ____ day of
November, 1996, by

IVAX CORPORATION



By: _____________________________
      Name:
      Title:

BBI HEALTHCARE CORPORATION



By: _____________________________
      Name:
      Title:


                             STOCK OPTION AGREEMENT

                  STOCK OPTION AGREEMENT, dated as of November 10, 1996 (this
"Agreement"), between BERGEN BRUNSWIG CORPORATION, a New Jersey corporation
("Bergen"), and IVAX CORPORATION, a Florida corporation ("IVAX").

                              W I T N E S S E T H:

                  WHEREAS, BBI Healthcare Corporation, a Delaware corporation
("BBI"), IVAX, Bergen, BBI-I Sub, Inc., a Florida corporation and a wholly owned
subsidiary of BBI ("IVAX Merger Sub"), and BBI-B Sub, Inc., a New Jersey
corporation and a wholly owned subsidiary of BBI ("Bergen Merger Sub"), propose
to enter into, simultaneously herewith, an Agreement and Plan of Merger (the
"Merger Agreement"; capitalized terms used but not defined in this Agreement
shall have the meanings ascribed to them in the Merger Agreement), which
provides, upon the terms and subject to the conditions thereof, for (i) the
acquisition by BBI of the common stock, par value $.10 per share, of IVAX ("IVAX
Common Stock"), through the merger of IVAX Merger Sub with and into IVAX (the
"IVAX Merger"), (ii) the acquisition by BBI of the Class A common stock, par
value $1.50 per share, of Bergen ("Bergen Common Stock") through the merger of
Bergen Merger Sub with and into Bergen (the "Bergen Merger" and, together with
the IVAX Merger, the "Mergers") and (iii) the receipt by the shareholders of
each of IVAX and Bergen of shares of common stock, par value $.01 per share, of
BBI, in proportion to their interests in IVAX and Bergen, respectively; and

                  WHEREAS, as a condition to the willingness of Bergen to enter
into the Merger Agreement and the Bergen Stock Option Agreement, Bergen has
required that IVAX agree, and in order to induce Bergen to enter into the Merger
Agreement and the Bergen Stock Option Agreement, IVAX has agreed to grant Bergen
an option to purchase 30,177,342 newly issued shares of IVAX Common Stock,
representing approximately 19.9% of the issued and outstanding shares of IVAX
Common Stock, in accordance with the terms of this Agreement;

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



<PAGE>


                                        2

                                    ARTICLE I

                                THE STOCK OPTION

                  SECTION 1.01. Grant of Stock Option. IVAX hereby grants to
Bergen, as of the close of trading on the AMEX on November 11, 1996 (the "Grant
Date") an irrevocable option (the "Stock Option") to purchase up to 30,177,342
shares of IVAX Common Stock (the "Option Shares") at a cash purchase price per
Option Share equal to the closing price of shares of IVAX Common Stock on the
AMEX on the Grant Date (the "Purchase Price"), subject to the terms and
conditions set forth herein.

                  SECTION 1.02. Exercise of Stock Option. (a) Subject to the
conditions set forth in Section 1.03 and to any additional requirements of Law,
the Stock Option may be exercised by Bergen, in whole or in part, at any time or
from time to time after the occurrence of an Exercise Event (as defined below)
and prior to the Termination Date (as defined below).

                  (b) An "Exercise Event" shall occur for purposes of this
Agreement upon the occurrence of any event or circumstance which, pursuant to
the terms of Section 8.05(b) of the Merger Agreement, entitles Bergen to the
payment by IVAX of the amount specified therein.

                  (c) The "Termination Date" shall occur for purposes of this
Agreement upon the first to occur of any of the following:

                  (i) the Effective Time;

                  (ii) the date which is 90 days after the occurrence of an
         Exercise Event (unless prior thereto the Option shall have been
         exercised); or

                  (iii) the termination of the Merger Agreement in any manner in
         which Bergen would not be entitled pursuant to Section 8.05(b) of the
         Merger Agreement to payment of the amount specified therein.

                  (d) In the event Bergen wishes to exercise the Stock Option,
Bergen shall send a written notice (a "Stock Exercise Notice") to IVAX
specifying the total number of Option Shares Bergen wishes to purchase, the
denominations of the certificate or certificates evidencing such Option Shares
which Bergen wishes to receive, a date (subject to the earlier satisfaction or
waiver of the conditions set forth in Section 1.03) (a "Closing Date"), which
shall be a business day (as defined in the Merger Agreement) which is not later
than 10 business days and not earlier than the fifth business day after delivery
of such notice, and place for the closing of such purchase (a "Closing").
Notwithstanding the foregoing, IVAX


<PAGE>


                                        3

shall have the right, exercisable by written notice to Bergen within three
Business Days after receipt of a Stock Exercise Notice, to elect to treat such
Stock Exercise Notice as a Cash Exercise Notice pursuant to Section 1.02(e) for
all purposes of this Agreement, and to pay to Bergen an amount in cash equal to
the Spread (as defined below) within 10 business days following receipt of such
Stock Exercise Notice.

                  (e) If at any time the Stock Option is then exercisable
pursuant to the terms of Section 1.02(a) hereof, Bergen may elect, in lieu of
exercising the Stock Option to purchase Option Shares as provided in Section
1.02(a) hereof, to send a written notice to IVAX (a "Cash Exercise Notice";
either a Cash Exercise Notice or a Stock Exercise Notice, an "Exercise Notice")
specifying a date not later than 10 business days and not earlier than the fifth
business day following the date such notice is given on which date IVAX shall
pay to Bergen an amount in cash equal to the Spread (as defined below)
multiplied by such number of Option Shares as Bergen shall specify. As used
herein, "Spread" shall mean the excess, if any, over the Purchase Price of the
higher of (x) if applicable, the highest price per share of IVAX Common Stock
paid by any person in a Competing Transaction (the "Competing Purchase Price")
or (y) the closing price of the shares of IVAX Common Stock on the AMEX on the
last trading day immediately prior to the date of the Cash Exercise Notice (the
"Closing Price"). If the Competing Purchase Price includes any property other
than cash, the Competing Purchase Price shall be the sum of (i) the fixed cash
amount, if any, included in the Competing Purchase Price plus (ii) the fair
market value of such other property. If such other property consists of
securities with an existing public trading market, the average of the closing
prices (or the average of the closing bid and asked prices if closing prices are
unavailable) for such securities in their principal public trading market on the
five trading days ending five days prior to the date of the Cash Exercise Notice
shall be deemed to equal the fair market value of such property. If such other
property consists of something other than cash or securities with an existing
public trading market and, as of the payment date for the Spread, agreement on
the value of such other property has not been reached, the Competing Purchase
Price shall be deemed to be the amount of any cash included in the Competing
Purchase Price plus the fair market value of such other property (as determined
by a nationally recognized investment banking firm jointly selected by IVAX and
Bergen). For this purpose, the parties shall use their reasonable commercial
efforts to cause any determination of the fair market value of such other
property to be made within three business days after the date of delivery of the
Cash Exercise Notice. Upon exercise of its right to receive the Spread pursuant
to this Section 1.02(e) or IVAX electing to treat a Stock Exercise Notice as a
Cash Exercise Notice pursuant to Section 1.02(d), the obligations of IVAX to
deliver Option Shares pursuant to Section 1.03 shall be terminated with respect
to such number of Option Shares for which Bergen shall have elected to be paid
the Spread. If at the time payment of the Spread by IVAX is due, IVAX shall not
have consummated a Competing Transaction, IVAX may elect to pay the Spread in
cash or in shares of IVAX Common Stock, valued at the closing price of shares of
IVAX Common Stock on the AMEX on the business day prior to such payment (the
"Closing Date Price").


<PAGE>


                                        4


                  SECTION 1.03. Conditions to Closing. The obligation of IVAX to
deliver Option Shares or pay the Spread, as applicable, upon any exercise of the
Stock Option is subject to the following conditions:

                  (a) Such delivery or payment would not in any material respect
         violate, or otherwise cause the material violation of, Section 713 of
         the AMEX Company Guide ("Section 713") or any material Law, including,
         without limitation, the HSR Act, applicable thereto; and

                  (b) There shall be no preliminary or permanent injunction or
         other final, non-appealable judgment by a court of competent
         jurisdiction preventing or prohibiting such exercise of the Stock
         Option, the delivery of the Option Shares or payment of the Spread in
         respect of such exercise.

                  SECTION 1.04. Closings. Subject to the provisions of Section
8.05(b) or (c) of the Merger Agreement, as the case may be, at each Closing, (i)
in the event of a Closing pursuant to Section 1.02(d) or 1.02(e) if IVAX shall
have elected to pay the Spread in shares of IVAX Common Stock, IVAX shall
deliver to Bergen a certificate or certificates evidencing the applicable number
of Option Shares (in the denominations specified therein), and Bergen shall
purchase each such Option Share from IVAX at the Purchase Price or the Closing
Date Price, as the case may be, or (ii) in the event of any other Closing
pursuant to Section 1.02(e), IVAX shall deliver to Bergen cash in an amount
determined pursuant to Section 1.02(e). All payments made pursuant to this
Agreement shall be made by wire transfer of immediately available funds.
Certificates evidencing Option Shares delivered hereunder may, at IVAX's
election, contain the following legend:

                  THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
                  REGISTERED UNDER THE SECURITIES ACT OF 1933 AND MAY NOT BE
                  SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE
                  WITH THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT OF
                  1933 OR AN EXEMPTION THEREFROM.

IVAX shall, upon the written request of the holder thereof, issue such holder a
new certificate evidencing such Option Shares without such legend in the event
(x) such Option Shares have been registered pursuant to the Securities Act, (y)
such Option Shares have been sold in reliance on and in accordance with Rule 144
under the Securities Act or (z) such holder shall have delivered to IVAX an
opinion of counsel, in form and substance reasonably satisfactory to IVAX, to
the effect that subsequent transfers of such Option Shares may be effected
without registration under the Securities Act.

                  SECTION 1.05. Adjustments upon Share Issuances, Changes in
Capitalization, Etc. (a) In the event of any change in IVAX Common Stock or in
the


<PAGE>


                                        5

number of outstanding shares of IVAX Common Stock by reason of a stock dividend,
split-up, recapitalization, combination, exchange of shares or similar
transaction or any other extraordinary change in the corporate or capital
structure of IVAX (including, without limitation, the declaration or payment of
an extraordinary dividend of cash, securities or other property), the type and
number of shares or securities to be issued by IVAX upon exercise of the Stock
Option shall be adjusted appropriately, and proper provision shall be made in
the agreements governing such transaction, so that Bergen shall receive upon
exercise of the Stock Option the number and class of shares or other securities
or property that Bergen would have received in respect of IVAX Common Stock if
the Stock Option had been exercised immediately prior to such event, or the
record date therefor, as applicable and elected to the fullest extent it would
have been permitted to elect, to receive such securities, cash or other
property.

                  (b) In the event that IVAX shall enter into an agreement
(other than the Merger Agreement) (i) to consolidate with or merge into any
person, other than Bergen or any Bergen Subsidiary, and shall not be the
continuing or surviving corporation of such consolidation or merger, (ii) to
permit any person, other than Bergen or any Bergen Subsidiary, to merge into
IVAX and IVAX shall be the continuing or surviving corporation, but, in
connection with such merger, the then outstanding shares of IVAX Common Stock
shall be changed into or exchanged for stock or other securities of IVAX or any
other person or cash or any other property or then outstanding shares of IVAX
Common Stock shall after such merger represent less than 50% of the outstanding
shares and share equivalents of the surviving corporation or (iii) to sell or
otherwise transfer all or substantially all of its assets to any person, other
than Bergen or any Bergen Subsidiary, then, and in each such case, proper
provision shall be made in the agreements governing such transaction so that
Bergen shall receive upon exercise of the Stock Option the number and class of
shares or other securities or property that Bergen would have received in
respect of IVAX Common Stock if the Stock Option had been exercised immediately
prior to such transaction, or the record date therefor, as applicable and
elected to the fullest extent it would have been permitted to elect, to receive
such securities, cash or other property.

                  (c) The provisions of this Agreement, including, without
limitation, Sections 1.01, 1.02, 1.04 and 3.02, shall apply with appropriate
adjustments to any securities for which the Stock Option becomes exercisable
pursuant to this Section 1.05.


                                   ARTICLE II

                     REPRESENTATIONS AND WARRANTIES OF IVAX

                  IVAX hereby represents and warrants to Bergen as follows:


<PAGE>


                                        6

                  SECTION 2.01. Authority Relative to this Agreement. IVAX is
duly organized and validly existing under the laws of the State of Florida. IVAX
has all necessary corporate power and authority to execute and deliver this
Agreement, to perform its obligations hereunder and to consummate the
transactions contemplated hereby. The execution and delivery of this Agreement
by IVAX and the consummation by IVAX of the transactions contemplated hereby
have been duly and validly authorized by all necessary corporate action and no
other corporate proceedings on the part of IVAX are necessary to authorize this
Agreement or to consummate such transactions. This Agreement has been duly
executed and delivered by IVAX and, assuming the due authorization, execution
and delivery by Bergen, constitutes a legal, valid and binding obligation of
IVAX, enforceable against IVAX in accordance with its terms. This Agreement is
not required to be adopted by the Board of Directors of IVAX for purposes of
Section 607.0902 of the FBCA or any other Law of similar effect applicable to
IVAX.

                  SECTION 2.02. Authority to Issue Shares. IVAX has taken all
necessary corporate action to authorize and reserve and permit it to issue, and
at all times from the date hereof through the Termination Date shall have
reserved, all the Option Shares issuable pursuant to this Agreement, and IVAX
shall take all necessary corporate action to authorize and reserve and permit it
to issue all additional shares of IVAX Common Stock or other securities which
may be issued pursuant to Section 1.05, all of which, upon their issuance and
delivery in accordance with the terms of this Agreement, shall be duly
authorized, validly issued, fully paid and nonassessable, shall be delivered
free and clear of all security interests, liens, claims, pledges, options,
rights of first refusal, agreements, limitations on Bergen's voting rights,
charges and other encumbrances of any nature whatsoever (other than this
Agreement) and shall not be subject to any preemptive rights.

                  SECTION 2.03. No Conflict; Required Filings and Consents. The
execution and delivery of this Agreement by IVAX do not, and the performance by
IVAX of its obligations pursuant to this Agreement and the consummation of the
transactions contemplated hereby will not, (i) require any consent, approval,
authorization or permit of, or filing with or notification to (other than
pursuant to the HSR Act or foreign competition, antitrust or investment law,
state securities and "blue sky" laws and the regulations of the AMEX, if
applicable) any Governmental Entity, (ii) conflict with or violate any provision
of the Articles of Incorporation or Bylaws of IVAX or any equivalent
organizational documents of any IVAX Subsidiary, (iii) assuming that all
consents, approvals, authorizations and permits described in this Section 2.03
have been obtained and all filings and notifications described in this Section
2.03 have been made, conflict with or violate any Law applicable to IVAX or any
IVAX Subsidiary or by which any property or asset of IVAX or any IVAX Subsidiary
is bound or affected or (iv) except as set forth in Section 3.05(a) of the IVAX
Disclosure Schedule, result in any breach of or constitute a default (or an
event which with the giving of notice or lapse of time or both would become a
default) under, or give to others any right of termination, amendment,
acceleration or cancellation of, or result in the creation


<PAGE>


                                        7

of a lien or other encumbrance on any property or asset of IVAX or any IVAX
Subsidiary pursuant to, any note, bond, mortgage, indenture, contract,
agreement, lease, license, permit, franchise or other instrument or obligation,
except, with respect to clauses (iii) and (iv), for any such conflicts,
violations, breaches, defaults or other occurrences which would neither,
individually or in the aggregate, prevent or materially delay the performance by
IVAX of any of its obligations pursuant to this Agreement.


                                   ARTICLE III

                                COVENANTS OF IVAX

                  SECTION 3.01. Listing; Other Action. (a) IVAX shall, at its
expense, use all reasonable efforts to cause the Option Shares to be approved
for listing on the AMEX, subject to notice of issuance, as promptly as
practicable following an Exercise Event, and shall provide prompt notice to the
AMEX of the issuance of each Option Share.

                  (b) IVAX shall use all reasonable efforts to take, or cause to
be taken, all appropriate action, and to do, or cause to be done, all things
necessary, proper or advisable under applicable Laws to consummate and make
effective the transactions contemplated hereunder, including, without
limitation, using all reasonable efforts to obtain all licenses, permits,
consents, approvals, authorizations, qualifications and orders of Governmental
Entities. Without limiting the generality of the foregoing, IVAX shall when
required in order to effect the transactions contemplated hereunder make all
necessary filings, and thereafter make any other required or appropriate
submissions, under the HSR Act and shall supply as promptly as practicable to
the appropriate Governmental Entity any additional information and documentary
material that may be requested pursuant to the HSR Act.

                  (c) IVAX shall not take any action in order to cause
intentionally the exercise of the Stock Option to violate Section 713.

                  SECTION 3.02. Registration. (a) In the event that Bergen shall
desire to sell any of the Option Shares within three years after the purchase of
such Option Shares pursuant hereto, and such sale requires, in the opinion of
counsel to Bergen, which opinion shall be reasonably satisfactory to IVAX and
its counsel, registration of such Option Shares under the Securities Act, IVAX
shall cooperate with Bergen and any underwriters in registering such Option
Shares for resale, including, without limitation, promptly filing a registration
statement which complies with the requirements of applicable federal and state
securities laws and entering into an underwriting agreement with such
underwriters upon such terms and conditions as are customarily contained in
underwriting agreements with respect to secondary distributions; provided,
however, that IVAX shall not be required to have declared effective more than
two registration statements hereunder and shall be entitled


<PAGE>


                                        8

to delay the filing or effectiveness of any registration statement for up to 120
days if the offering would, in the judgment of the Board of Directors of IVAX,
require premature disclosure of any material corporate development or otherwise
interfere with or adversely affect any pending or proposed offering of
securities of IVAX or any other material transaction involving IVAX. Bergen
agrees to use all reasonable efforts to cause, and to cause any underwriters of
any sale or other disposition to cause, any sale or other disposition pursuant
to such registration statement to be effected on a widely distributed basis so
that upon consummation thereof no purchaser or transferee shall acquire
beneficially more than 1% of the then outstanding voting power of IVAX.

                  (b) If the IVAX Common Stock is registered pursuant to the
provisions of this Section 3.02, IVAX agrees (i) to furnish copies of the
registration statement and prospectus relating to the Option Shares covered
thereby in such numbers as Bergen may from time to time reasonably request and
(ii) if any event shall occur as a result of which it becomes necessary to amend
or supplement any registration statement or prospectus, to prepare and file
under the applicable securities laws such amendments and supplements as may be
necessary to keep available for at least 90 days a prospectus covering the IVAX
Common Stock meeting the requirements of such securities laws, and to furnish
Bergen such numbers of copies of the registration statement and prospectus as
amended or supplemented as may reasonably be requested. IVAX shall bear the cost
of the registration, including, but not limited to, all registration and filing
fees, printing expenses, and fees and disbursements of counsel and accountants
for IVAX, except that Bergen shall pay the fees and disbursements of its counsel
and the underwriting fees and selling commissions applicable to the shares of
IVAX Common Stock sold by Bergen. IVAX shall indemnify and hold harmless Bergen,
its affiliates and its officers and directors from and against any and all
losses, claims, damages, liabilities and expenses arising out of or based upon
any statements contained in, omissions or alleged omissions from, each
registration statement filed pursuant to this paragraph; provided, however, that
this provision shall not apply to any loss, liability, claim, damage or expense
to the extent it arises out of any untrue statement or omission made in reliance
upon and in conformity with written information furnished to IVAX by Bergen, its
affiliates and its officers and other representatives expressly for use in any
registration statement (or any amendment thereto) or any preliminary prospectus
filed pursuant to this paragraph. IVAX shall also indemnify and hold harmless
each underwriter and each person who controls any underwriter within the meaning
of either the Securities Act or the Exchange Act against any and all losses,
claims, damages, liabilities and expenses arising out of or based upon any
statements contained in, omissions or alleged omissions from, each registration
statement filed pursuant to this paragraph; provided, however, that this
provision shall not apply to any loss, liability, claim, damage or expense to
the extent it arises out of any untrue statement or omission made in reliance
upon and in conformity with written information furnished to IVAX by the
underwriters expressly for use in any registration statement (or any amendment
thereto) or any preliminary prospectus filed pursuant to this paragraph.


<PAGE>


                                        9



                                   ARTICLE IV

                    REPRESENTATIONS AND WARRANTIES OF BERGEN

                  Bergen hereby represents and warrants to IVAX as follows:

                  SECTION 4.01. Authority Relative to this Agreement. Bergen is
duly organized and validly existing under the laws of the State of New Jersey.
Bergen has all necessary corporate power and authority to execute and deliver
this Agreement, to perform its obligations hereunder and to consummate the
transactions contemplated hereby. The execution and delivery of this Agreement
by Bergen and the consummation by Bergen of the transactions contemplated hereby
have been duly and validly authorized by all necessary corporate action and no
other corporate proceedings on the part of Bergen are necessary to authorize
this Agreement or to consummate such transactions. This Agreement has been duly
executed and delivered by Bergen and, assuming the due authorization, execution
and delivery by IVAX, constitutes a legal, valid and binding obligation of
Bergen, enforceable against Bergen in accordance with its terms.

                  SECTION 4.02. No Conflict; Required Filings and Consents. The
execution and delivery of this Agreement by Bergen do not, and the performance
by Bergen of its obligations pursuant to this Agreement and the consummation of
the transactions contemplated hereby will not, (i) require any consent,
approval, authorization or permit of, or filing with or notification to (other
than pursuant to the HSR Act or foreign competition, antitrust or investment
law, state securities and "blue sky" laws and the regulations of the NYSE, if
applicable) any Governmental Entity, (ii) conflict with or violate any provision
of the Certificate of Incorporation or Bylaws of Bergen or any equivalent
organizational documents of any Bergen Subsidiary, (iii) assuming that all
consents, approvals, authorizations and permits described in this Section 4.02
have been obtained and all filings and notifications described in this Section
4.02 have been made, conflict with or violate any Law applicable to Bergen or
any Bergen Subsidiary or by which any property or asset of Bergen or any Bergen
Subsidiary is bound or affected or (iv) except as set forth in Section 4.05(a)
of the Bergen Disclosure Schedule, result in any breach of or constitute a
default (or an event which with the giving of notice or lapse of time or both
would become a default) under, or give to others any right of termination,
amendment, acceleration or cancellation of, or result in the creation of a lien
or other encumbrance on any property or asset of Bergen or any Bergen Subsidiary
or on any Option Shares pursuant to, any note, bond, mortgage, indenture,
contract, agreement, lease, license, permit, franchise or other instrument or
obligation, except, with respect to clauses (iii) and (iv), for any such
conflicts, violations, breaches, defaults or other occurrences which would
neither, individually or in the aggregate, prevent or materially delay the
performance by Bergen of any of its obligations pursuant to this Agreement.


<PAGE>


                                       10



                                    ARTICLE V

                               COVENANTS OF BERGEN

                  Bergen hereby covenants and agrees as follows:

                  SECTION 5.01. Distribution. Bergen shall acquire the Option
Shares for investment purposes only and not with a view to any distribution
thereof in violation of the Securities Act, and shall not sell any Option Shares
purchased pursuant to this Agreement except in compliance with the Securities
Act and applicable state securities and "blue sky" laws.


                                   ARTICLE VI

                            TERMINATION OF AGREEMENT

                  SECTION 6.01. Termination. This Agreement, other than the
rights and obligations of IVAX and Bergen under Sections 3.01, 3.02 and 5.01 and
Article VII, shall terminate on the Termination Date.


                                   ARTICLE VII

                                  MISCELLANEOUS

                  SECTION 7.01. Amendment. This Agreement may not be amended
except by an instrument in writing signed by the parties hereto.

                  SECTION 7.02. Waiver. Either party hereto may (a) extend the
time for or waive compliance with the performance of any obligation or other act
of the other party hereto or (b) waive any inaccuracy in the representations and
warranties contained herein or in any document delivered pursuant hereto. Any
such extension or waiver shall be valid if set forth in an instrument in writing
signed by the party or parties to be bound thereby.

                  SECTION 7.03. Fees and Expenses. Except as otherwise provided
herein or in Section 8.05 of the Merger Agreement, all Expenses incurred in
connection with this Agreement shall be paid by the party incurring such
expenses.

                  SECTION 7.04. Notices. All notices, requests, claims, demands
and other communications hereunder shall be in writing and shall be given (and
shall be deemed to

<PAGE>


                                       11

have been duly given upon receipt) by delivery in person, by telecopy or
facsimile, by registered or certified mail (postage prepaid, return receipt
requested) or by a nationally recognized courier service to the respective
parties at their addresses as specified in Section 9.02 of the Merger Agreement.

                  SECTION 7.05. Severability. If any term or other provision of
this Agreement is invalid, illegal or incapable of being enforced by any rule of
Law or public policy, all other conditions and provisions of this Agreement
shall nevertheless remain in full force and effect so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to any party. Upon such determination that any term or
other provision is invalid, illegal or incapable of being enforced, the parties
hereto shall negotiate in good faith to modify this Agreement so as to effect
the original intent of the parties as closely as possible in a mutually
acceptable manner to the fullest extent permitted by applicable Law in order
that the transactions contemplated hereby may be consummated as originally
contemplated to the fullest extent possible.

                  SECTION 7.06. Assignment; Binding Effect; Benefit. Neither
this Agreement nor any of the rights, interests or obligations hereunder shall
be assigned by any of the parties hereto without the prior written consent of
the other party. Subject to the preceding sentence, this Agreement shall be
binding upon and shall inure to the benefit of the parties hereto and their
respective successors and permitted assigns. Notwithstanding anything contained
in this Agreement to the contrary, nothing in this Agreement, express or
implied, is intended to confer on any person other than the parties hereto or
their respective successors and permitted assigns any rights, remedies,
obligations or liabilities under or by reason of this Agreement.

                  SECTION 7.07. Specific Performance. The parties hereto agree
that irreparable damage would occur in the event any provision of this Agreement
were not performed in accordance with the terms hereof and that the parties
shall be entitled to specific performance of the terms hereof, in addition to
any other remedy at law or in equity.

                  SECTION 7.08. Governing Law. Except to the extent that the
Laws of the jurisdiction of organization of any party hereto, or any other
jurisdiction, are mandatorily applicable to the matters arising under or in
connection with this Agreement, this Agreement shall be governed by the Laws of
the State of New York. All actions and proceedings arising out of or relating to
this Agreement shall be heard and determined in any New York state or federal
court sitting in The City of New York.

                  SECTION 7.09. Consent to Jurisdiction; Venue. (a) Each of the
parties hereto irrevocably submits to the exclusive jurisdiction of the state
courts of New York and to the jurisdiction of the United States District Court
for the Southern District of New York, for the purpose of any action or
proceeding arising out of or relating to this Agreement and


<PAGE>


                                       12

each of the parties hereto irrevocably agrees that all claims in respect to such
action or proceeding may be heard and determined exclusively in any New York
state or federal court sitting in The City of New York. Each of the parties
hereto agrees that a final judgment in any action or proceeding shall be
conclusive and may be enforced in other jurisdictions by suit on the judgment or
in any other manner provided by Law.

                  (b) Each of the parties hereto irrevocably consents to the
service of any summons and complaint and any other process in any other action
or proceeding relating hereto, on behalf of itself or its property, by the
personal delivery of copies of such process to such party. Nothing in this
Section 7.09 shall affect the right of any party hereto to serve legal process
in any other manner permitted by Law.

                  SECTION 7.10. Headings. The descriptive headings contained in
this Agreement are included for convenience of reference only and shall not
affect in any way the meaning or interpretation of this Agreement.

                  SECTION 7.11. Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties hereto in separate counterparts, each of which when
executed and delivered shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.

                  SECTION 7.12. Entire Agreement. This Agreement constitutes the
entire agreement between the parties with respect to the subject matter hereof
and supersedes all prior agreements and understandings between the parties with
respect thereto. No addition to or modification of any provision of this
Agreement shall be binding upon any party hereto unless made in writing and
signed by all parties hereto.


<PAGE>


                                       13

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

                                                    BERGEN BRUNSWIG CORPORATION


                                                    By: ________________________
                                                          Name:
                                                          Title:


                                                    IVAX CORPORATION


                                                    By: ________________________
                                                          Name:
                                                          Title:


                             STOCK OPTION AGREEMENT

                  STOCK OPTION AGREEMENT, dated as of November 10, 1996 (this
"Agreement"), between IVAX CORPORATION, a Florida corporation ("IVAX"), and
BERGEN BRUNSWIG CORPORATION, a New Jersey corporation ("Bergen").

                              W I T N E S S E T H:

                  WHEREAS, BBI Healthcare Corporation, a Delaware corporation
("BBI"), IVAX, Bergen, BBI-I Sub, Inc., a Florida corporation and a wholly owned
subsidiary of BBI ("IVAX Merger Sub"), and BBI-B Sub, Inc., a New Jersey
corporation and a wholly owned subsidiary of BBI ("Bergen Merger Sub"), propose
to enter into, simultaneously herewith, an Agreement and Plan of Merger (the
"Merger Agreement"; capitalized terms used but not defined in this Agreement
shall have the meanings ascribed to them in the Merger Agreement), which
provides, upon the terms and subject to the conditions thereof, for (i) the
acquisition by BBI of the common stock, par value $.10 per share, of IVAX ("IVAX
Common Stock"), through the merger of IVAX Merger Sub with and into IVAX (the
"IVAX Merger"), (ii) the acquisition by BBI of the Class A common stock, par
value $1.50 per share, of Bergen ("Bergen Common Stock") through the merger of
Bergen Merger Sub with and into Bergen (the "Bergen Merger" and, together with
the IVAX Merger, the "Mergers") and (iii) the receipt by the shareholders of
each of IVAX and Bergen of shares of common stock, par value $.01 per share, of
BBI, in proportion to their interests in IVAX and Bergen, respectively; and

                  WHEREAS, as a condition to the willingness of IVAX to enter
into the Merger Agreement and the IVAX Stock Option Agreement, IVAX has required
that Bergen agree, and in order to induce IVAX to enter into the Merger
Agreement and the IVAX Stock Option Agreement, Bergen has agreed to grant IVAX
an option to purchase 9,953,076 newly issued or treasury shares of Bergen Common
Stock, representing approximately 19.9% of the issued and outstanding shares of
Bergen Common Stock, in accordance with the terms of this Agreement;

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



<PAGE>


                                        2

                                    ARTICLE I

                                THE STOCK OPTION

                  SECTION 1.01. Grant of Stock Option. Bergen hereby grants to
IVAX, as of the close of trading on the NYSE on November 11, 1996 (the "Grant
Date"), an irrevocable option (the "Stock Option") to purchase up to 9,953,076
shares of Bergen Common Stock (the "Option Shares") at a cash purchase price per
Option Share equal to the closing price of shares of Bergen Common Stock on the
NYSE Composite Tape on the Grant Date (the "Purchase Price"), subject to the
terms and conditions set forth herein.

                  SECTION 1.02. Exercise of Stock Option. (a) Subject to the
conditions set forth in Section 1.03 and to any additional requirements of Law,
the Stock Option may be exercised by IVAX, in whole or in part, at any time or
from time to time after the occurrence of an Exercise Event (as defined below)
and prior to the Termination Date (as defined below).

                  (b) An "Exercise Event" shall occur for purposes of this

Agreement upon the occurrence of any event or circumstance which, pursuant to
the terms of Section 8.05(c) of the Merger Agreement, entitles IVAX to the
payment by Bergen of the amount specified therein.

                  (c) The "Termination Date" shall occur for purposes of this
Agreement upon the first to occur of any of the following:

                  (i)  the Effective Time;

                  (ii) the date which is 90 days after the occurrence of an
         Exercise Event (unless prior thereto the Option shall have been
         exercised); or

                  (iii) the termination of the Merger Agreement in any manner in
         which IVAX would not be entitled pursuant to Section 8.05(c) of the
         Merger Agreement to payment of the amount specified therein.

                  (d) In the event IVAX wishes to exercise the Stock Option,
IVAX shall send a written notice (a "Stock Exercise Notice") to Bergen
specifying the total number of Option Shares IVAX wishes to purchase, the
denominations of the certificate or certificates evidencing such Option Shares
which IVAX wishes to receive, a date (subject to the earlier satisfaction or
waiver of the conditions set forth in Section 1.03) (a "Closing Date"), which
shall be a business day (as defined in the Merger Agreement) which is not later
than 10 business days and not earlier than the fifth business day after delivery
of such notice, and place for the closing of such purchase (a "Closing").
Notwithstanding the foregoing, Bergen


<PAGE>


                                        3

shall have the right, exercisable by written notice to IVAX within three
Business Days after receipt of a Stock Exercise Notice, to elect to treat such
Stock Exercise Notice as a Cash Exercise Notice pursuant to Section 1.02(e) for
all purposes of this Agreement, and to pay to IVAX an amount in cash equal to
the Spread (as defined below) within 10 business days following receipt of such
Stock Exercise Notice.

                  (e) If at any time the Stock Option is then exercisable
pursuant to the terms of Section 1.02(a) hereof, IVAX may elect, in lieu of
exercising the Stock Option to purchase Option Shares as provided in Section
1.02(a) hereof, to send a written notice to Bergen (a "Cash Exercise Notice";
either a Cash Exercise Notice or a Stock Exercise Notice, an "Exercise Notice")
specifying a date not later than 10 business days and not earlier than the fifth
business day following the date such notice is given on which date Bergen shall
pay to IVAX an amount in cash equal to the Spread (as defined below) multiplied
by such number of Option Shares as IVAX shall specify. As used herein, "Spread"
shall mean the excess, if any, over the Purchase Price of the higher of (x) if
applicable, the highest price per share of Bergen Common Stock paid by any
person in a Competing Transaction (the "Competing Purchase Price") or (y) the
closing price of the shares of Bergen Common Stock on the NYSE Composite Tape on
the last trading day immediately prior to the date of the Cash Exercise Notice
(the "Closing Price"). If the Competing Purchase Price includes any property
other than cash, the Competing Purchase Price shall be the sum of (i) the fixed
cash amount, if any, included in the Competing Purchase Price plus (ii) the fair
market value of such other property. If such other property consists of
securities with an existing public trading market, the average of the closing
prices (or the average of the closing bid and asked prices if closing prices are
unavailable) for such securities in their principal public trading market on the
five trading days ending five days prior to the date of the Cash Exercise Notice
shall be deemed to equal the fair market value of such property. If such other
property consists of something other than cash or securities with an existing
public trading market and, as of the payment date for the Spread, agreement on
the value of such other property has not been reached, the Competing Purchase
Price shall be deemed to be the amount of any cash included in the Competing
Purchase Price plus the fair market value of such other property (as determined
by a nationally recognized investment banking firm jointly selected by IVAX and
Bergen). For this purpose, the parties shall use their reasonable commercial
efforts to cause any determination of the fair market value of such other
property to be made within three business days after the date of delivery of the
Cash Exercise Notice. Upon exercise of its right to receive the Spread pursuant
to this Section 1.02(e) or Bergen electing to treat a Stock Exercise Notice as a
Cash Exercise Notice pursuant to Section 1.02(d), the obligations of Bergen to
deliver Option Shares pursuant to Section 1.03 shall be terminated with respect
to such number of Option Shares for which IVAX shall have elected to be paid the
Spread. If at the time payment of the Spread by Bergen is due, Bergen shall not
have consummated a Competing Transaction, Bergen may elect to pay the Spread in
cash or in shares of Bergen Common Stock, valued at the closing price of shares
of Bergen Common Stock on the NYSE Composite Tape on the business day prior to
such payment (the "Closing Date Price").


<PAGE>


                                        4


                  SECTION 1.03. Conditions to Closing. The obligation of Bergen
to deliver Option Shares or pay the Spread, as applicable, upon any exercise of
the Stock Option is subject to the following conditions:

                  (a) Such delivery or payment would not in any material respect
         violate, or otherwise cause the material violation of, Section 312.03
         of the NYSE Listed Company Manual ("Section 312.03") or any material
         Law, including, without limitation, the HSR Act, applicable thereto;
         and

                  (b) There shall be no preliminary or permanent injunction or
         other final, non-appealable judgment by a court of competent
         jurisdiction preventing or prohibiting such exercise of the Stock
         Option, the delivery of the Option Shares or payment of the Spread in
         respect of such exercise.

                  SECTION 1.04. Closings. Subject to the provisions of Section
8.05(b) or (c) of the Merger Agreement, as the case may be, at each Closing, (i)
in the event of a Closing pursuant to Section 1.02(d) or 1.02(e) if Bergen shall
have elected to pay the Spread in shares of Bergen Common Stock, Bergen shall
deliver to IVAX a certificate or certificates evidencing the applicable number
of Option Shares (in the denominations specified therein), and IVAX shall
purchase each such Option Share from Bergen at the Purchase Price or the Closing
Date Price, as the case may be, or (ii) in the event of any other Closing
pursuant to Section 1.02(e), Bergen shall deliver to IVAX cash in an amount
determined pursuant to Section 1.02(e). All payments made pursuant to this
Agreement shall be made by wire transfer of immediately available funds.
Certificates evidencing Option Shares delivered hereunder may, at Bergen's
election, contain the following legend:

                  THE SHARES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
                  REGISTERED UNDER THE SECURITIES ACT OF 1933 AND MAY NOT BE
                  SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE
                  WITH THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT OF
                  1933 OR AN EXEMPTION THEREFROM.

Bergen shall, upon the written request of the holder thereof, issue such holder
a new certificate evidencing such Option Shares without such legend in the event
(x) such Option Shares have been registered pursuant to the Securities Act, (y)
such Option Shares have been sold in reliance on and in accordance with Rule 144
under the Securities Act or (z) such holder shall have delivered to Bergen an
opinion of counsel, in form and substance reasonably satisfactory to Bergen, to
the effect that subsequent transfers of such Option Shares may be effected
without registration under the Securities Act.


<PAGE>


                                        5



                  SECTION 1.05. Adjustments upon Share Issuances, Changes in
Capitalization, Etc. (a) In the event of any change in Bergen Common Stock or in
the number of outstanding shares of Bergen Common Stock by reason of a stock
dividend, split-up, recapitalization, combination, exchange of shares or similar
transaction or any other extraordinary change in the corporate or capital
structure of Bergen (including, without limitation, the declaration or payment
of an extraordinary dividend of cash, securities or other property), the type
and number of shares or securities to be issued by Bergen upon exercise of the
Stock Option shall be adjusted appropriately, and proper provision shall be made
in the agreements governing such transaction, so that IVAX shall receive upon
exercise of the Stock Option the number and class of shares or other securities
or property that IVAX would have received in respect of Bergen Common Stock if
the Stock Option had been exercised immediately prior to such event, or the
record date therefor, as applicable and elected to the fullest extent it would
have been permitted to elect, to receive such securities, cash or other
property.

                  (b) In the event that Bergen shall enter into an agreement
(other than the Merger Agreement) (i) to consolidate with or merge into any
person, other than IVAX or any IVAX Subsidiary, and shall not be the continuing
or surviving corporation of such consolidation or merger, (ii) to permit any
person, other than IVAX or any IVAX Subsidiary, to merge into Bergen and Bergen
shall be the continuing or surviving corporation, but, in connection with such
merger, the then outstanding shares of Bergen Common Stock shall be changed into
or exchanged for stock or other securities of Bergen or any other person or cash
or any other property or then outstanding shares of Bergen Common Stock shall
after such merger represent less than 50% of the outstanding shares and share
equivalents of the surviving corporation or (iii) to sell or otherwise transfer
all or substantially all of its assets to any person, other than IVAX or any
IVAX Subsidiary, then, and in each such case, proper provision shall be made in
the agreements governing such transaction so that IVAX shall receive upon
exercise of the Stock Option the number and class of shares or other securities
or property that IVAX would have received in respect of Bergen Common Stock if
the Stock Option had been exercised immediately prior to such transaction, or
the record date therefor, as applicable and elected to the fullest extent it
would have been permitted to elect, to receive such securities, cash or other
property.

                  (c) The provisions of this Agreement, including, without
limitation, Sections 1.01, 1.02, 1.04 and 3.02, shall apply with appropriate
adjustments to any securities for which the Stock Option becomes exercisable
pursuant to this Section 1.05.



<PAGE>


                                        6


                                   ARTICLE II

                    REPRESENTATIONS AND WARRANTIES OF BERGEN

                  Bergen hereby represents and warrants to IVAX as follows:

                  SECTION 2.01. Authority Relative to this Agreement. Bergen is
duly organized and validly existing under the laws of the State of New Jersey.
Bergen has all necessary corporate power and authority to execute and deliver
this Agreement, to perform its obligations hereunder and to consummate the
transactions contemplated hereby. The execution and delivery of this Agreement
by Bergen and the consummation by Bergen of the transactions contemplated hereby
have been duly and validly authorized by all necessary corporate action, and no
other corporate proceedings on the part of Bergen are necessary to authorize
this Agreement or to consummate such transactions and the Bergen Rights
Agreement has been amended to exempt IVAX from the definition of "Acquiring
Person" contained in such agreement. This Agreement has been duly executed and
delivered by Bergen and, assuming the due authorization, execution and delivery
by IVAX, constitutes a legal, valid and binding obligation of Bergen,
enforceable against Bergen in accordance with its terms.

                  SECTION 2.02. Authority to Issue Shares. Bergen has taken all
necessary corporate action to authorize and reserve and permit it to issue, and
at all times from the date hereof through the Termination Date shall have
reserved, all the Option Shares issuable pursuant to this Agreement, and Bergen
shall take all necessary corporate action to authorize and reserve and permit it
to issue all additional shares of Bergen Common Stock or other securities which
may be issued pursuant to Section 1.05, all of which, upon their issuance and
delivery in accordance with the terms of this Agreement, shall be duly
authorized, validly issued, fully paid and nonassessable, shall be delivered
free and clear of all security interests, liens, claims, pledges, options,
rights of first refusal, agreements, limitations on IVAX's voting rights,
charges and other encumbrances of any nature whatsoever (other than this
Agreement) and shall not be subject to any preemptive rights.

                  SECTION 2.03. No Conflict; Required Filings and Consents. The
execution and delivery of this Agreement by Bergen do not, and the performance
by Bergen of its obligations pursuant to this Agreement and the consummation of
the transactions contemplated hereby will not, (i) require any consent,
approval, authorization or permit of, or filing with or notification to (other
than pursuant to the HSR Act or foreign competition, antitrust or investment
law, state securities and "blue sky" laws and the regulations of the NYSE, if
applicable) any Governmental Entity, (ii) conflict with or violate any provision
of the Certificate of Incorporation or Bylaws of Bergen or any equivalent
organizational documents of any Bergen Subsidiary, (iii) assuming that all
consents, approvals, authorizations and permits described in this Section 2.03
have been obtained and all filings


<PAGE>


                                        7

and notifications described in this Section 2.03 have been made, conflict with
or violate any Law applicable to Bergen or any Bergen Subsidiary or by which any
property or asset of Bergen or any Bergen Subsidiary is bound or affected or
(iv) except as set forth in Section 4.05(a) of the Bergen Disclosure Schedule,
result in any breach of or constitute a default (or an event which with the
giving of notice or lapse of time or both would become a default) under, or give
to others any right of termination, amendment, acceleration or cancellation of,
or result in the creation of a lien or other encumbrance on any property or
asset of Bergen or any Bergen Subsidiary or on any Option Shares pursuant to,
any note, bond, mortgage, indenture, contract, agreement, lease, license,
permit, franchise or other instrument or obligation, except, with respect to
clauses (iii) and (iv), for any such conflicts, violations, breaches, defaults
or other occurrences which would neither, individually or in the aggregate,
prevent or materially delay the performance by Bergen of any of its obligations
pursuant to this Agreement.


                                   ARTICLE III

                               COVENANTS OF BERGEN

                  SECTION 3.01. Listing; Other Action. (a) Bergen shall, at its
expense, use all reasonable efforts to cause the Option Shares to be approved
for listing on the NYSE, subject to notice of issuance, as promptly as
practicable following an Exercise Event, and shall provide prompt notice to the
NYSE of the issuance of each Option Share, except to the extent the delivery of
the Option Shares can be satisfied with shares of Bergen Common Stock held in
treasury by Bergen.

                  (b) Bergen shall use all reasonable efforts to take, or cause
to be taken, all appropriate action, and to do, or cause to be done, all things
necessary, proper or advisable under applicable Laws to consummate and make
effective the transactions contemplated hereunder, including, without
limitation, using all reasonable efforts to obtain all licenses, permits,
consents, approvals, authorizations, qualifications and orders of Governmental
Entities. Without limiting the generality of the foregoing, Bergen shall when
required in order to effect the transactions contemplated hereunder make all
necessary filings, and thereafter make any other required or appropriate
submissions, under the HSR Act and shall supply as promptly as practicable to
the appropriate Governmental Entity any additional information and documentary
material that may be requested pursuant to the HSR Act.

                  (c) Bergen shall not take any action in order to cause
intentionally the exercise of the Stock Option to violate Section 312.03.

                  SECTION 3.02. Registration. (a) In the event that IVAX shall
desire to sell any of the Option Shares within three years after the purchase of
such Option Shares


<PAGE>


                                        8

pursuant hereto, and such sale requires, in the opinion of counsel to IVAX,
which opinion shall be reasonably satisfactory to Bergen and its counsel,
registration of such Option Shares under the Securities Act, Bergen shall
cooperate with IVAX and any underwriters in registering such Option Shares for
resale, including, without limitation, promptly filing a registration statement
which complies with the requirements of applicable federal and state securities
laws and entering into an underwriting agreement with such underwriters upon
such terms and conditions as are customarily contained in underwriting
agreements with respect to secondary distributions; provided, however, that
Bergen shall not be required to have declared effective more than two
registration statements hereunder and shall be entitled to delay the filing or
effectiveness of any registration statement for up to 120 days if the offering
would, in the judgment of the Board of Directors of Bergen, require premature
disclosure of any material corporate development or otherwise interfere with or
adversely affect any pending or proposed offering of securities of Bergen or any
other material transaction involving Bergen. IVAX agrees to use all reasonable
efforts to cause, and to cause any underwriters of any sale or other disposition
to cause, any sale or other disposition pursuant to such registration statement
to be effected on a widely distributed basis so that upon consummation thereof
no purchaser or transferee shall acquire beneficially more than 1% of the then
outstanding voting power of Bergen.

                  (b) If the Bergen Common Stock is registered pursuant to the
provisions of this Section 3.02, Bergen agrees (i) to furnish copies of the
registration statement and prospectus relating to the Option Shares covered
thereby in such numbers as IVAX may from time to time reasonably request and
(ii) if any event shall occur as a result of which it becomes necessary to amend
or supplement any registration statement or prospectus, to prepare and file
under the applicable securities laws such amendments and supplements as may be
necessary to keep available for at least 90 days a prospectus covering the
Bergen Common Stock meeting the requirements of such securities laws, and to
furnish IVAX such numbers of copies of the registration statement and prospectus
as amended or supplemented as may reasonably be requested. Bergen shall bear the
cost of the registration, including, but not limited to, all registration and
filing fees, printing expenses, and fees and disbursements of counsel and
accountants for Bergen, except that IVAX shall pay the fees and disbursements of
its counsel and the underwriting fees and selling commissions applicable to the
shares of Bergen Common Stock sold by IVAX. Bergen shall indemnify and hold
harmless IVAX, its affiliates and its officers and directors from and against
any and all losses, claims, damages, liabilities and expenses arising out of or
based upon any statements contained in, omissions or alleged omissions from,
each registration statement filed pursuant to this paragraph; provided, however,
that this provision shall not apply to any loss, liability, claim, damage or
expense to the extent it arises out of any untrue statement or omission made in
reliance upon and in conformity with written information furnished to Bergen by
IVAX, its affiliates and its officers and other representatives expressly for
use in any registration statement (or any amendment thereto) or any preliminary
prospectus filed pursuant to this paragraph. Bergen shall also indemnify and
hold harmless each underwriter


<PAGE>


                                        9

and each person who controls any underwriter within the meaning of either the
Securities Act or the Exchange Act against any and all losses, claims, damages,
liabilities and expenses arising out of or based upon any statements contained
in, omissions or alleged omissions from, each registration statement filed
pursuant to this paragraph; provided, however, that this provision shall not
apply to any loss, liability, claim, damage or expense to the extent it arises
out of any untrue statement or omission made in reliance upon and in conformity
with written information furnished to Bergen by the underwriters expressly for
use in any registration statement (or any amendment thereto) or any preliminary
prospectus filed pursuant to this paragraph.


                                   ARTICLE IV

                     REPRESENTATIONS AND WARRANTIES OF IVAX

                  IVAX hereby represents and warrants to Bergen as follows:

                  SECTION 4.01. Authority Relative to this Agreement. IVAX is
duly organized and validly existing under the laws of the State of Florida. IVAX
has all necessary corporate power and authority to execute and deliver this
Agreement, to perform its obligations hereunder and to consummate the
transactions contemplated hereby. The execution and delivery of this Agreement
by IVAX and the consummation by IVAX of the transactions contemplated hereby
have been duly and validly authorized by all necessary corporate action and no
other corporate proceedings on the part of IVAX are necessary to authorize this
Agreement or to consummate such transactions. This Agreement has been duly
executed and delivered by IVAX and, assuming the due authorization, execution
and delivery by Bergen, constitutes a legal, valid and binding obligation of
IVAX, enforceable against IVAX in accordance with its terms.

                  SECTION 4.02. No Conflict; Required Filings and Consents. The
execution and delivery of this Agreement by IVAX do not, and the performance by
IVAX of its obligations pursuant to this Agreement and the consummation of the
transactions contemplated hereby will not, (i) require any consent, approval,
authorization or permit of, or filing with or notification to (other than
pursuant to the HSR Act or foreign competition, antitrust or investment law,
state securities and "blue sky" laws and the regulations of the AMEX, if
applicable) any Governmental Entity, (ii) conflict with or violate any provision
of the Articles of Incorporation or Bylaws of IVAX or any equivalent
organizational documents of any IVAX Subsidiary, (iii) assuming that all
consents, approvals, authorizations and permits described in this Section 4.02
have been obtained and all filings and notifications described in this Section
4.02 have been made, conflict with or violate any Law applicable to IVAX or any
IVAX Subsidiary or by which any property or asset of IVAX or any IVAX Subsidiary
is bound or affected or (iv) except as set forth in Section 3.05(a) of the IVAX


<PAGE>


                                       10

Disclosure Schedule, result in any breach of or constitute a default (or an
event which with the giving of notice or lapse of time or both would become a
default) under, or give to others any right of termination, amendment,
acceleration or cancellation of, or result in the creation of a lien or other
encumbrance on any property or asset of IVAX or any IVAX Subsidiary pursuant to,
any note, bond, mortgage, indenture, contract, agreement, lease, license,
permit, franchise or other instrument or obligation, except, with respect to
clauses (iii) and (iv), for any such conflicts, violations, breaches, defaults
or other occurrences which would neither, individually or in the aggregate,
prevent or materially delay the performance by IVAX of any of its obligations
pursuant to this Agreement.


                                    ARTICLE V

                                COVENANTS OF IVAX

                  IVAX hereby covenants and agrees as follows:

                  SECTION 5.01. Distribution. IVAX shall acquire the Option
Shares for investment purposes only and not with a view to any distribution
thereof in violation of the Securities Act, and shall not sell any Option Shares
purchased pursuant to this Agreement except in compliance with the Securities
Act and applicable state securities and "blue sky" laws.


                                   ARTICLE VI

                            TERMINATION OF AGREEMENT

                  SECTION 6.01. Termination. This Agreement, other than the
rights and obligations of IVAX and Bergen under Sections 3.01, 3.02 and 5.01 and
Article VII, shall terminate on the Termination Date.


                                   ARTICLE VII

                                  MISCELLANEOUS

                  SECTION 7.01. Amendment. This Agreement may not be amended
except by an instrument in writing signed by the parties hereto.

                  SECTION 7.02. Waiver. Either party hereto may (a) extend the
time for or waive compliance with the performance of any obligation or other act
of the other party


<PAGE>


                                       11

hereto or (b) waive any inaccuracy in the representations and warranties
contained herein or in any document delivered pursuant hereto. Any such
extension or waiver shall be valid if set forth in an instrument in writing
signed by the party or parties to be bound thereby.

                  SECTION 7.03. Fees and Expenses. Except as otherwise provided
herein or in Section 8.05 of the Merger Agreement, all Expenses incurred in
connection with this Agreement shall be paid by the party incurring such
expenses.

                  SECTION 7.04. Notices. All notices, requests, claims, demands
and other communications hereunder shall be in writing and shall be given (and
shall be deemed to have been duly given upon receipt) by delivery in person, by
telecopy or facsimile, by registered or certified mail (postage prepaid, return
receipt requested) or by a nationally recognized courier service to the
respective parties at their addresses as specified in Section 9.02 of the Merger
Agreement.

                  SECTION 7.05. Severability. If any term or other provision of
this Agreement is invalid, illegal or incapable of being enforced by any rule of
Law or public policy, all other conditions and provisions of this Agreement
shall nevertheless remain in full force and effect so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to any party. Upon such determination that any term or
other provision is invalid, illegal or incapable of being enforced, the parties
hereto shall negotiate in good faith to modify this Agreement so as to effect
the original intent of the parties as closely as possible in a mutually
acceptable manner to the fullest extent permitted by applicable Law in order
that the transactions contemplated hereby may be consummated as originally
contemplated to the fullest extent possible.

                  SECTION 7.06. Assignment; Binding Effect; Benefit. Neither
this Agreement nor any of the rights, interests or obligations hereunder shall
be assigned by any of the parties hereto without the prior written consent of
the other party. Subject to the preceding sentence, this Agreement shall be
binding upon and shall inure to the benefit of the parties hereto and their
respective successors and permitted assigns. Notwithstanding anything contained
in this Agreement to the contrary, nothing in this Agreement, express or
implied, is intended to confer on any person other than the parties hereto or
their respective successors and permitted assigns any rights, remedies,
obligations or liabilities under or by reason of this Agreement.

                  SECTION 7.07. Specific Performance. The parties hereto agree
that irreparable damage would occur in the event any provision of this Agreement
were not performed in accordance with the terms hereof and that the parties
shall be entitled to specific performance of the terms hereof, in addition to
any other remedy at law or in equity.



<PAGE>


                                       12

                  SECTION 7.08. Governing Law. Except to the extent that the
Laws of the jurisdiction of organization of any party hereto, or any other
jurisdiction, are mandatorily applicable to the matters arising under or in
connection with this Agreement, this Agreement shall be governed by the Laws of
the State of New York. All actions and proceedings arising out of or relating to
this Agreement shall be heard and determined in any New York state or federal
court sitting in The City of New York.

                  SECTION 7.09. Consent to Jurisdiction; Venue. (a) Each of the
parties hereto irrevocably submits to the exclusive jurisdiction of the state
courts of New York and to the jurisdiction of the United States District Court
for the Southern District of New York, for the purpose of any action or
proceeding arising out of or relating to this Agreement and each of the parties
hereto irrevocably agrees that all claims in respect to such action or
proceeding may be heard and determined exclusively in any New York state or
federal court sitting in The City of New York. Each of the parties hereto agrees
that a final judgment in any action or proceeding shall be conclusive and may be
enforced in other jurisdictions by suit on the judgment or in any other manner
provided by Law.

                  (b) Each of the parties hereto irrevocably consents to the
service of any summons and complaint and any other process in any other action
or proceeding relating hereto, on behalf of itself or its property, by the
personal delivery of copies of such process to such party. Nothing in this
Section 7.09 shall affect the right of any party hereto to serve legal process
in any other manner permitted by Law.

                  SECTION 7.10. Headings. The descriptive headings contained in
this Agreement are included for convenience of reference only and shall not
affect in any way the meaning or interpretation of this Agreement.

                  SECTION 7.11. Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties hereto in separate counterparts, each of which when
executed and delivered shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.

                  SECTION 7.12. Entire Agreement. This Agreement constitutes the
entire agreement between the parties with respect to the subject matter hereof
and supersedes all prior agreements and understandings between the parties with
respect thereto. No addition to or modification of any provision of this
Agreement shall be binding upon any party hereto unless made in writing and
signed by all parties hereto.



<PAGE>


                                       13

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

                                                   IVAX CORPORATION


                                                   By: _________________________
                                                         Name:
                                                         Title:


                                                   BERGEN BRUNSWIG CORPORATION


                                                   By: _________________________
                                                         Name:
                                                         Title:



                                VOTING AGREEMENT

                  VOTING AGREEMENT (this "Agreement"), dated as of November 10,
1996, among BERGEN BRUNSWIG CORPORATION, a New Jersey corporation ("Bergen"),
and FROST-NEVADA, LIMITED PARTNERSHIP, a Nevada limited partnership, and DR.
PHILLIP FROST (each, a "Shareholder").


                              W I T N E S S E T H:

                  WHEREAS, as of the date hereof, the Shareholders own (directly
or indirectly, either beneficially or of record) 15,123,684 shares of common
stock, par value $.10 per share, of IVAX Corporation ("IVAX Common Stock"), a
Florida corporation ("IVAX"), (all such shares of IVAX Common Stock owned by the
Shareholders and any shares hereafter acquired by the Shareholders prior to the
termination of this Agreement are referred to herein as the "Shares");

                  WHEREAS, BBI Healthcare Corporation, a Delaware corporation
("BBI"), IVAX, Bergen, BBI-I Sub, Inc., a Florida corporation and a wholly owned
subsidiary of BBI ("IVAX Merger Sub"), and BBI-B Sub, Inc., a New Jersey
corporation and a wholly owned subsidiary of BBI ("Bergen Merger Sub"), propose
to enter into, simultaneously herewith, an Agreement and Plan of Merger (the
"Merger Agreement"; capitalized terms used but not defined in this Agreement
shall have the meanings ascribed to them in the Merger Agreement), which
provides, upon the terms and subject to the conditions thereof, for (i) the
acquisition by BBI of IVAX Common Stock through the merger of IVAX Merger Sub
with and into IVAX (the "IVAX Merger"), (ii) the acquisition by BBI of the Class
A common stock, par value $1.50 per share, of Bergen ("Bergen Common Stock"),
through the merger of Bergen Merger Sub with and into Bergen (the "Bergen
Merger" and, together with the IVAX Merger, the "Mergers") and (iii) the receipt
by the shareholders of each of IVAX and Bergen of shares of common stock, par
value $.01 per share, of BBI ("BBI Common Stock"), in proportion to their
interests in IVAX and Bergen, respectively; and

                  WHEREAS, as a condition to the willingness of Bergen to enter
into the Merger Agreement and the Bergen Stock Option Agreement, Bergen has
requested that each Shareholder agree, and, in order to induce Bergen to enter
into the Merger Agreement and the Bergen Stock Option Agreement, each
Shareholder has agreed, severally and not jointly, subject to the terms and
conditions of this Agreement, to vote such Shareholder's Shares in connection
with the requisite approval of the Merger Agreement and the Mergers.



<PAGE>


                                        2

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


                                    ARTICLE I

                        REPRESENTATIONS AND WARRANTIES OF
                                THE SHAREHOLDERS

                  Each Shareholder, severally and not jointly, hereby represents
and warrants to Bergen as follows:

                  SECTION 1.01. Due Organization; Authority Relative to this
Agreement. Such Shareholder (if it is a corporation, partnership or other legal
entity) is duly organized and validly existing under the laws of the
jurisdiction of its incorporation or organization. Such Shareholder has all
necessary power and authority (corporate or otherwise) to execute and deliver
this Agreement, to perform its obligations hereunder and to consummate the
transactions contemplated hereby. Such Shareholder has full legal capacity to
execute and deliver this Agreement. The execution and delivery of this Agreement
by such Shareholder and the consummation by such Shareholder of the transactions
contemplated hereby have been duly and validly authorized by all necessary
action (corporate or otherwise) and no other proceedings (corporate or
otherwise) on the part of such Shareholder are necessary to authorize this
Agreement or to consummate such transactions. This Agreement has been duly
executed and delivered by such Shareholder and, assuming the due authorization,
execution and delivery by Bergen and the other Shareholders, constitutes a
legal, valid and binding obligation of such Shareholder, enforceable against
such Shareholder in accordance with its terms.

                  SECTION 1.02. Consents; No Conflict. The execution and
delivery of this Agreement by such Shareholder do not, and the performance by
such Shareholder of its obligations pursuant to this Agreement and the
consummation of the transactions contemplated hereby will not, (i) require any
consent, approval, authorization or permit of, or filing with or notification to
(other than pursuant to the HSR Act or foreign competition, antitrust or
investment law, if applicable) any Governmental Entity, (ii) conflict with or
violate any provision of the Certificate of Incorporation or Bylaws or
equivalent organizational documents of such Shareholder (if it is a corporation,
partnership or other legal entity), (iii) assuming that all consents, approvals,
authorizations and permits described in this Section 1.02 have been obtained and
all filings and notifications described in this Section 1.02 have been made,
conflict with or violate any Law applicable to such Shareholder or by which any
property or asset of such Shareholder is bound or affected or (iv) result in any
breach of or constitute a default (or an event which with the giving of


<PAGE>


                                        3

notice or lapse of time or both would become a default) under, or give to others
any right of termination, amendment, acceleration or cancellation of, or result
in the creation of a lien or other encumbrance on any property or asset of such
Shareholder pursuant to, any note, bond, mortgage, indenture, contract,
agreement, lease, license, permit, franchise or other instrument or obligation,
except, with respect to clauses (iii) and (iv), for any such conflicts,
violations, breaches, defaults or other occurrences which would neither,
individually or in the aggregate, prevent or materially delay the performance by
such Shareholder of any of the obligations of such Shareholder pursuant to this
Agreement.

                  SECTION 1.03. Title to Shares. The Shareholders are the record
or beneficial owners of 15,123,684 Shares, free and clear of all security
interests, liens, claims, pledges, options, rights of first refusal, agreements,
limitations on voting rights, charges and other encumbrances of any nature
whatsoever (other than pursuant to this Agreement).


                                   ARTICLE II

                    REPRESENTATIONS AND WARRANTIES OF BERGEN

                  Bergen hereby represents and warrants to each of the
Shareholders as follows:

                  SECTION 2.01. Due Organization; Authority Relative to this
Agreement. Bergen is duly organized and validly existing under the laws of the
State of New Jersey. Bergen has all necessary corporate power and authority to
execute and deliver this Agreement, to perform its obligations hereunder and to
consummate the transactions contemplated hereby. The execution and delivery of
this Agreement by Bergen and the consummation by Bergen of the transactions
contemplated hereby have been duly and validly authorized by all necessary
corporate action and no other corporate proceedings on the part of Bergen are
necessary to authorize this Agreement or to consummate such transactions. This
Agreement has been duly executed and delivered by Bergen and, assuming the due
authorization, execution and delivery by the Shareholders, constitutes a legal,
valid and binding obligation of Bergen, enforceable against Bergen in accordance
with its terms.

                  SECTION 2.02. No Conflict; Required Filings and Consents. The
execution and delivery of this Agreement by Bergen do not, and the performance
by Bergen of its obligations pursuant to this Agreement and the consummation of
the transactions contemplated hereby will not, (i) require any consent,
approval, authorization or permit of, or filing with or notification to (other
than pursuant to the HSR Act or foreign competition, antitrust or investment
law, if applicable) any Governmental Entity, (ii) conflict with or violate any
provision of the Certificate of Incorporation or Bylaws of Bergen or any
equivalent organizational documents of any Bergen Subsidiary, (iii) assuming
that all consents, approvals, authorizations and permits described in this
Section 2.02 have been


<PAGE>


                                        4

obtained and all filings and notifications described in this Section 2.02 have
been made, conflict with or violate any Law applicable to Bergen or any Bergen
Subsidiary or by which any property or asset of Bergen or any Bergen Subsidiary
is bound or affected or (iv) except as set forth in Section 4.05(a) of the
Bergen Disclosure Schedule, result in any breach of or constitute a default (or
an event which with the giving of notice or lapse of time or both would become a
default) under, or give to others any right of termination, amendment,
acceleration or cancellation of, or result in the creation of a lien or other
encumbrance on any property or asset of Bergen or any Bergen Subsidiary pursuant
to, any note, bond, mortgage, indenture, contract, agreement, lease, license,
permit, franchise or other instrument or obligation, except, with respect to
clauses (iii) and (iv), for any such conflicts, violations, breaches, defaults
or other occurrences which would neither, individually or in the aggregate,
prevent or materially delay the performance by Bergen of its obligations
pursuant to this Agreement.


                                   ARTICLE III

                          TRANSFER AND VOTING OF SHARES

                  SECTION 3.01. Transfer of Shares. During the Voting Term (as
defined below), and except as otherwise provided herein, the Shareholder shall
not (a) sell, pledge or otherwise dispose of any of its Shares, (b) deposit its
Shares into a voting trust or enter into a voting agreement or arrangement with
respect to such Shares or grant any proxy with respect thereto or (c) enter into
any contract, option or other arrangement or undertaking with respect to the
direct or indirect acquisition or sale, assignment, transfer or other
disposition of any of its Shares; provided, however, that, in the event the
Merger Agreement is terminated for a cause pursuant to which Bergen is entitled
to the payment of the amount specified in Section 8.05(b) of the Merger
Agreement, each Shareholder shall be permitted to take any such action described
in clause (a), (b) or (c) above during the period following such termination;
provided further that such transaction shall not be with a person (as defined in
the Merger Agreement) by or on behalf of which a Competing Transaction shall
have been made, or with any affiliate or associate (as such terms are defined in
Rule 12b-2 under the Exchange Act) of any such person.

                  SECTION 3.02. Voting of Shares; Further Assurances. (a) Each
Shareholder, by this Agreement, during and for the Voting Term, with respect to
those Shares that it owns of record at the time of such vote, hereby agrees to
vote each of such Shares at every annual, special or adjourned meeting of the
stockholders of IVAX (or pursuant to any consent, certificate or other document
relating to IVAX that the laws of the State of Florida may permit or require)
(i) in favor of the approval of the Merger Agreement and the Mergers, (ii)
against any proposal for any recapitalization, merger, sale of assets or other
business combination between IVAX and any person or entity (other than the
Mergers)


<PAGE>


                                        5

or any other action or agreement that would result in any of the conditions to
IVAX's obligations under the Merger Agreement not being fulfilled, and (iii) in
favor of any other matter relating to consummation of the transactions
contemplated by the Merger Agreement. Each Shareholder further agrees to cause
the Shares owned by it beneficially at the time of such vote to be voted in
accordance with the foregoing.

                  (b) For the purposes of this Agreement, "Voting Term" shall
mean the period from the execution of this Agreement until the earliest of (i)
the Effective Time, (ii) 12 months after the termination of the Merger
Agreement, if the Merger Agreement is terminated for a cause pursuant to which
Bergen is entitled to the payment of the amount specified in Section 8.05(b) of
the Merger Agreement, or (iii) the termination of the Merger Agreement for any
other cause.

                  (c) Each Shareholder agrees to sign a letter in the form
attached as Exhibit 6.05(a) to the Merger Agreement, on behalf of himself or
itself, pursuant to which it shall acknowledge its status as an affiliate of
IVAX and agree to certain restrictions on its rights to dispose of the BBI
Common Stock which each Shareholder shall receive as a result of the IVAX
Merger.


                                   ARTICLE IV

                               GENERAL PROVISIONS

                  SECTION 4.01.  Amendment.  This Agreement may not be amended
except by an instrument in writing signed by the parties hereto.

                  SECTION 4.02. Waiver. Any of the parties hereto may (a) extend
the time for or waive compliance with the performance of any obligation or other
act of any other party hereto or (b) waive any inaccuracy in the representations
and warranties contained herein or in any document delivered pursuant hereto.
Any such extension or waiver shall be valid if set forth in an instrument in
writing signed by the party or parties to be bound thereby.

                  SECTION 4.03. Fees and Expenses. Except as otherwise provided
herein or in Section 8.05 of the Merger Agreement, all Expenses incurred in
connection with this Agreement shall be paid by the party incurring such
Expenses.

                  SECTION 4.04. Notices. All notices, requests, claims, demands
and other communications hereunder shall be in writing and shall be given (and
shall be deemed to have been duly given upon receipt) by delivery in person, by
telecopy or facsimile, by registered or certified mail (postage prepaid, return
receipt requested) or by a nationally


<PAGE>


                                        6

recognized courier service to the respective parties as specified in Section
9.02 of the Merger Agreement or, with respect to such Shareholders, at the
following addresses (or at such other address for a party as shall be specified
in a notice given in accordance with this Section 4.04 or, in the case of
Bergen, Section 9.02 of the Merger Agreement):

                  if to either Shareholder:

                       c/o IVAX Corporation
                       4400 Biscayne Boulevard
                       Miami, Florida  33137
                       Telecopier:  (305) 575-6049

                  with a copy to:

                       Stearns Weaver Miller Weissler Alhadeff & Sitterson, P.A.
                       2200 Museum Tower Building
                       150 West Flagler Street
                       Miami, Florida  33130
                       Attention:  Teddy D. Klinghoffer, Esq.
                       Telecopier:  (305) 789-3395

                  SECTION 4.05. Severability. If any term or other provision of
this Agreement is invalid, illegal or incapable of being enforced by any rule of
Law or public policy, all other conditions and provisions of this Agreement
shall nevertheless remain in full force and effect so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to any party. Upon such determination that any term or
other provision is invalid, illegal or incapable of being enforced, the parties
hereto shall negotiate in good faith to modify this Agreement so as to effect
the original intent of the parties as closely as possible in a mutually
acceptable manner to the fullest extent permitted by applicable Law in order
that the transactions contemplated hereby may be consummated as originally
contemplated to the fullest extent possible.

                  SECTION 4.06. Assignment; Binding Effect; Benefit. Neither
this Agreement nor any of the rights, interests or obligations hereunder shall
be assigned by any of the parties hereto (whether by operation of Law or
otherwise) without the prior written consent of the other parties hereto except
in connection with a transfer of Shares pursuant to the proviso to Section 3.01
(in which case, none of the provisions of this Agreement shall be binding upon
or inure to the benefit of such transferee with respect to such Shares). Subject
to the preceding sentence, this Agreement shall be binding upon and shall inure
to the benefit of the parties hereto and their respective successors and
permitted assigns. Notwithstanding anything contained in this Agreement to the
contrary, nothing in this Agreement, express or implied, is intended to confer
on any person other than the parties


<PAGE>


                                        7

hereto or their respective successors and permitted assigns any rights,
remedies, obligations or liabilities under or by reason of this Agreement.

                  SECTION 4.07. Specific Performance. The parties hereto agree
that irreparable damage would occur in the event any provision of this Agreement
were not performed in accordance with the terms hereof and that the parties
shall be entitled to specific performance of the terms hereof, in addition to
any other remedy at law or in equity.

                  SECTION 4.08. Governing Law. Except to the extent that the
Laws of the jurisdiction of organization of any party hereto, or any other
jurisdiction, are mandatorily applicable to the matters arising under or in
connection with this Agreement, this Agreement shall be governed by the Laws of
the State of New York. All actions and proceedings arising out of or relating to
this Agreement shall be heard and determined in any New York state or federal
court sitting in The City of New York.

                  SECTION 4.09. Consent to Jurisdiction; Venue. (a) Each of the
parties hereto irrevocably submits to the exclusive jurisdiction of the state
courts of New York and to the jurisdiction of the United States District Court
for the Southern District of New York, for the purpose of any action or
proceeding arising out of or relating to this Agreement and each of the parties
hereto irrevocably agrees that all claims in respect to such action or
proceeding may be heard and determined exclusively in any New York state or
federal court sitting in The City of New York. Each of the parties hereto agrees
that a final judgment in any action or proceeding shall be conclusive and may be
enforced in other jurisdictions by suit on the judgment or in any other manner
provided by Law.

                  (b) Each of the parties hereto irrevocably consents to the
service of any summons and complaint and any other process in any other action
or proceeding relating hereto, on behalf of itself or its property, by the
personal delivery of copies of such process to such party. Nothing in this
Section 4.09 shall affect the right of any party hereto to serve legal process
in any other manner permitted by Law.

                  SECTION 4.10. Headings. The descriptive headings contained in
this Agreement are included for convenience of reference only and shall not
affect in any way the meaning or interpretation of this Agreement.

                  SECTION 4.11. Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties hereto in separate counterparts, each of which when
executed and delivered shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.



<PAGE>


                                        8

                  SECTION 4.12. Entire Agreement. This Agreement constitutes the
entire agreement among the parties with respect to the subject matter hereof and
supersedes all prior agreements and understandings among the parties with
respect thereto. No addition to or modification of any provision of this
Agreement shall be binding upon any party hereto unless made in writing and
signed by all parties hereto.



<PAGE>


                                        9

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

                                     BERGEN BRUNSWIG CORPORATION


                                     By: _______________________________________
                                          Name:
                                          Title:



                                     FROST-NEVADA, LIMITED PARTNERSHIP

                                     By:  Frost-Nevada Corporation, its general
                                              partner


                                           By: _________________________________
                                                Name:
                                                Title:



                                    ____________________________________________
                                                   Dr. Phillip Frost



                                VOTING AGREEMENT

                  VOTING AGREEMENT (this "Agreement"), dated as of November 10,
1996, between IVAX CORPORATION, a Florida corporation ("IVAX"), and ROBERT E.
MARTINI (the "Shareholder").


                              W I T N E S S E T H:

                  WHEREAS, as of the date hereof, the Shareholder owns (directly
or indirectly, either beneficially or of record) 2,137,958 shares of Class A
common stock, par value $1.50 per share, of Bergen Brunswig Corporation ("Bergen
Common Stock"), a New Jersey corporation ("Bergen") (all such shares of Bergen
Common Stock owned by the Shareholder and any shares hereafter acquired by the
Shareholder prior to the termination of this Agreement are referred to herein as
the "Shares");

                  WHEREAS, BBI Healthcare Corporation, a Delaware corporation
("BBI"), IVAX, Bergen, BBI-I Sub, Inc., a Florida corporation and a wholly owned
subsidiary of BBI ("IVAX Merger Sub"), and BBI-B Sub, Inc., a New Jersey
corporation and a wholly owned subsidiary of BBI ("Bergen Merger Sub"), propose
to enter into, simultaneously herewith, an Agreement and Plan of Merger (the
"Merger Agreement"; capitalized terms used but not defined in this Agreement
shall have the meanings ascribed to them in the Merger Agreement), which
provides, upon the terms and subject to the conditions thereof, for (i) the
acquisition by BBI of the common stock, par value $.10 per share, of IVAX ("IVAX
Common Stock") through the merger of IVAX Merger Sub with and into IVAX (the
"IVAX Merger"), (ii) the acquisition by BBI of the Bergen Common Stock through
the merger of Bergen Merger Sub with and into Bergen (the "Bergen Merger" and,
together with the IVAX Merger, the "Mergers") and (iii) the receipt by the
shareholders of each of IVAX and Bergen of shares of common stock, par value
$.01 per share, of BBI ("BBI Common Stock"), in proportion to their interests in
IVAX and Bergen, respectively; and

                  WHEREAS, as a condition to the willingness of IVAX to enter
into the Merger Agreement and the IVAX Stock Option Agreement, IVAX has
requested that the Shareholder agree, and, in order to induce IVAX to enter into
the Merger Agreement and the IVAX Stock Option Agreement, the Shareholder has
agreed, subject to the terms and conditions of this Agreement, to vote his
Shares in connection with the requisite approval of the Merger Agreement and the
Mergers.

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


<PAGE>


                                        2



                                    ARTICLE I

                        REPRESENTATIONS AND WARRANTIES OF
                                 THE SHAREHOLDER

                  The Shareholder hereby represents and warrants to IVAX as
follows:

                  SECTION 1.01. Due Organization; Authority Relative to this
Agreement. This Agreement has been duly executed and delivered by the
Shareholder and, assuming the due authorization, execution and delivery by IVAX,
constitutes a legal, valid and binding obligation of the Shareholder,
enforceable against the Shareholder in accordance with its terms. The
Shareholder has full legal capacity to execute and deliver this Agreement.

                  SECTION 1.02. Consents; No Conflict. The execution and
delivery of this Agreement by the Shareholder do not, and the performance by the
Shareholder of his obligations pursuant to this Agreement and the consummation
of the transactions contemplated hereby will not, (i) require any consent,
approval, authorization or permit of, or filing with or notification to (other
than pursuant to the HSR Act or foreign competition, antitrust or investment
law, if applicable) any Governmental Entity, (ii) assuming that all consents,
approvals, authorizations and permits described in this Section 1.02 have been
obtained and all filings and notifications described in this Section 1.02 have
been made, conflict with or violate any Law applicable to the Shareholder or by
which any property or asset of the Shareholder is bound or affected or (iii)
result in any breach of or constitute a default (or an event which with the
giving of notice or lapse of time or both would become a default) under, or give
to others any right of termination, amendment, acceleration or cancellation of,
or result in the creation of a lien or other encumbrance on any property or
asset of the Shareholder pursuant to, any note, bond, mortgage, indenture,
contract, agreement, lease, license, permit, franchise or other instrument or
obligation, except, with respect to clauses (ii) and (iii), for any such
conflicts, violations, breaches, defaults or other occurrences which would
neither, individually or in the aggregate, prevent or materially delay the
performance by the Shareholder of any of the obligations of the Shareholder
pursuant to this Agreement.

                  SECTION 1.03. Title to Shares. The Shareholder is the record
or beneficial owner of 2,137,958 Shares, free and clear of all security
interests, liens, claims, pledges, options, rights of first refusal, agreements,
limitations on voting rights, charges and other encumbrances of any nature
whatsoever (other than pursuant to this Agreement).


<PAGE>


                                        3


                                   ARTICLE II

                     REPRESENTATIONS AND WARRANTIES OF IVAX


                  IVAX hereby represents and warrants to the Shareholder as
follows:

                  SECTION 2.01. Due Organization; Authority Relative to this
Agreement. IVAX is duly organized and validly existing under the laws of the
State of Florida. IVAX has all necessary corporate power and authority to
execute and deliver this Agreement, to perform its obligations hereunder and to
consummate the transactions contemplated hereby. The execution and delivery of
this Agreement by IVAX and the consummation by IVAX of the transactions
contemplated hereby have been duly and validly authorized by all necessary
corporate action and no other corporate proceedings on the part of IVAX are
necessary to authorize this Agreement or to consummate such transactions. This
Agreement has been duly executed and delivered by IVAX and, assuming the due
authorization, execution and delivery by the Shareholder, constitutes a legal,
valid and binding obligation of IVAX, enforceable against IVAX in accordance
with its terms.

                  SECTION 2.02. No Conflict; Required Filings and Consents. The
execution and delivery of this Agreement by IVAX do not, and the performance by
IVAX of its obligations pursuant to this Agreement and the consummation of the
transactions contemplated hereby will not, (i) require any consent, approval,
authorization or permit of, or filing with or notification to (other than
pursuant to the HSR Act or foreign competition, antitrust or investment law, if
applicable) any Governmental Entity, (ii) conflict with or violate any provision
of the Articles of Incorporation or Bylaws of IVAX or any equivalent
organizational documents of any IVAX Subsidiary, (iii) assuming that all
consents, approvals, authorizations and permits described in this Section 2.02
have been obtained and all filings and notifications described in this Section
2.02 have been made, conflict with or violate any Law applicable to IVAX or any
IVAX Subsidiary or by which any property or asset of IVAX or any IVAX Subsidiary
is bound or affected or (iv) except as set forth in Section 3.05(a) of the IVAX
Disclosure Schedule, result in any breach of or constitute a default (or an
event which with the giving of notice or lapse of time or both would become a
default) under, or give to others any right of termination, amendment,
acceleration or cancellation of, or result in the creation of a lien or other
encumbrance on any property or asset of IVAX or any IVAX Subsidiary pursuant to,
any note, bond, mortgage, indenture, contract, agreement, lease, license,
permit, franchise or other instrument or obligation, except, with respect to
clauses (iii) and (iv), for any such conflicts, violations, breaches, defaults
or other occurrences which would neither, individually or in the aggregate,
prevent or materially delay the performance by IVAX of its obligations pursuant
to this Agreement.



<PAGE>


                                        4

                                   ARTICLE III

                          TRANSFER AND VOTING OF SHARES

                  SECTION 3.01. Transfer of Shares. During the Voting Term (as
defined below), and except as otherwise provided herein, each Shareholder shall
not (a) sell, pledge or otherwise dispose of any of its Shares, (b) deposit its
Shares into a voting trust or enter into a voting agreement or arrangement with
respect to such Shares or grant any proxy with respect thereto or (c) enter into
any contract, option or other arrangement or undertaking with respect to the
direct or indirect acquisition or sale, assignment, transfer or other
disposition of any of its Shares; provided, however, that, in the event the
Merger Agreement is terminated for a cause pursuant to which IVAX is entitled to
the payment of the amount specified in Section 8.05(c) of the Merger Agreement,
such Shareholder shall be permitted to take any such action described in clause
(a), (b) or (c) above during the period following such termination; provided
further that such transaction shall not be with a person (as defined in the
Merger Agreement) by or on behalf of which a Competing Transaction shall have
been made, or with any affiliate or associate (as such terms are defined in Rule
12b-2 under the Exchange Act) of any such person.

                  SECTION 3.02. Voting of Shares; Further Assurances. (a) The
Shareholder, by this Agreement, during and for the Voting Term, with respect to
those Shares that it owns of record at the time of such vote, hereby agrees to
vote each of his Shares at every annual, special or adjourned meeting of the
stockholders of Bergen (or pursuant to any consent, certificate or other
document relating to Bergen that the laws of the State of New Jersey may permit
or require) (i) in favor of the approval of the Merger Agreement and the
Mergers, (ii) against any proposal for any recapitalization, merger, sale of
assets or other business combination between Bergen and any person or entity
(other than the Mergers) or any other action or agreement that would result in
any of the conditions to Bergen's obligations under the Merger Agreement not
being fulfilled, and (iii) in favor of any other matter relating to consummation
of the transactions contemplated by the Merger Agreement. The Shareholder
further agrees to cause the Shares owned by it beneficially at the time of such
vote to be voted in accordance with the foregoing.

                  (b) For the purposes of this Agreement, "Voting Term" shall
mean the period from the execution of this Agreement until the earliest of (i)
the Effective Time, (ii) 12 months after the termination of the Merger
Agreement, if the Merger Agreement is terminated for a cause pursuant to which
IVAX is entitled to the payment of the amount specified in Section 8.05(c) of
the Merger Agreement, or (iii) the termination of the Merger Agreement for any
other cause.

                  (c) The Shareholder agrees to sign a letter in the form
attached as Exhibit 6.05(b) to the Merger Agreement, on behalf of himself,
pursuant to which he shall


<PAGE>


                                        5

acknowledge his status as an affiliate of Bergen and agree to certain
restrictions on his rights to dispose of the BBI Common Stock which the
Shareholder shall receive as a result of the Bergen Merger.


                                   ARTICLE IV

                               GENERAL PROVISIONS

                  SECTION 4.01. Amendment. This Agreement may not be amended
except by an instrument in writing signed by the parties hereto.

                  SECTION 4.02. Waiver. Any of the parties hereto may (a) extend
the time for or waive compliance with the performance of any obligation or other
act of any other party hereto or (b) waive any inaccuracy in the representations
and warranties contained herein or in any document delivered pursuant hereto.
Any such extension or waiver shall be valid if set forth in an instrument in
writing signed by the party or parties to be bound thereby.

                  SECTION 4.03. Fees and Expenses. Except as otherwise provided
herein or in Section 8.05 of the Merger Agreement, all Expenses incurred in
connection with this Agreement shall be paid by the party incurring such
Expenses.

                  SECTION 4.04. Notices. All notices, requests, claims, demands
and other communications hereunder shall be in writing and shall be given (and
shall be deemed to have been duly given upon receipt) by delivery in person, by
telecopy or facsimile, by registered or certified mail (postage prepaid, return
receipt requested) or by a nationally recognized courier service to the
respective parties as specified in Section 9.02 of the Merger Agreement or, with
respect to the Shareholders, at the following addresses (or at such other
address for a party as shall be specified in a notice given in accordance with
this Section 4.04 or, in the case of IVAX, Section 9.02 of the Merger
Agreement):

                  if to the Shareholder:

                           c/o Bergen Brunswig Corporation
                           4000 Metropolitan Drive
                           Orange, California  92668
                           Telecopier:  (714) 978-7415


<PAGE>


                                        6

                  with a copy to:

                           Shearman & Sterling
                           599 Lexington Avenue
                           New York, NY  10022
                           Attention: John A. Marzulli, Jr., Esq.
                           Telecopier: (212) 848-7179

                  SECTION 4.05. Severability. If any term or other provision of
this Agreement is invalid, illegal or incapable of being enforced by any rule of
Law or public policy, all other conditions and provisions of this Agreement
shall nevertheless remain in full force and effect so long as the economic or
legal substance of the transactions contemplated hereby is not affected in any
manner materially adverse to any party. Upon such determination that any term or
other provision is invalid, illegal or incapable of being enforced, the parties
hereto shall negotiate in good faith to modify this Agreement so as to effect
the original intent of the parties as closely as possible in a mutually
acceptable manner to the fullest extent permitted by applicable Law in order
that the transactions contemplated hereby may be consummated as originally
contemplated to the fullest extent possible.

                  SECTION 4.06. Assignment; Binding Effect; Benefit. Neither
this Agreement nor any of the rights, interests or obligations hereunder shall
be assigned by any of the parties hereto (whether by operation of Law or
otherwise) without the prior written consent of the other parties hereto except
in connection with a transfer of Shares pursuant to the proviso to Section 3.01
(in which case, none of the provisions of this Agreement shall be binding upon
or inure to the benefit of any such transferee with respect to such Shares).
Subject to the preceding sentence, this Agreement shall be binding upon and
shall inure to the benefit of the parties hereto and their respective successors
and permitted assigns. Notwithstanding anything contained in this Agreement to
the contrary, nothing in this Agreement, express or implied, is intended to
confer on any person other than the parties hereto or their respective
successors and permitted assigns any rights, remedies, obligations or
liabilities under or by reason of this Agreement.

                  SECTION 4.07. Specific Performance. The parties hereto agree
that irreparable damage would occur in the event any provision of this Agreement
were not performed in accordance with the terms hereof and that the parties
shall be entitled to specific performance of the terms hereof, in addition to
any other remedy at law or in equity.

                  SECTION 4.08. Governing Law. Except to the extent that the
Laws of the jurisdiction of organization of any party hereto, or any other
jurisdiction, are mandatorily applicable to the matters arising under or in
connection with this Agreement, this Agreement shall be governed by the Laws of
the State of New York. All actions and proceedings


<PAGE>


                                        7

arising out of or relating to this Agreement shall be heard and determined in
any New York state or federal court sitting in The City of New York.

                  SECTION 4.09. Consent to Jurisdiction; Venue. (a) Each of the
parties hereto irrevocably submits to the exclusive jurisdiction of the state
courts of New York and to the jurisdiction of the United States District Court
for the Southern District of New York, for the purpose of any action or
proceeding arising out of or relating to this Agreement and each of the parties
hereto irrevocably agrees that all claims in respect to such action or
proceeding may be heard and determined exclusively in any New York state or
federal court sitting in The City of New York. Each of the parties hereto agrees
that a final judgment in any action or proceeding shall be conclusive and may be
enforced in other jurisdictions by suit on the judgment or in any other manner
provided by Law.

                  (b) Each of the parties hereto irrevocably consents to the
service of any summons and complaint and any other process in any other action
or proceeding relating hereto, on behalf of itself or its property, by the
personal delivery of copies of such process to such party. Nothing in this
Section 4.09 shall affect the right of any party hereto to serve legal process
in any other manner permitted by Law.

                  SECTION 4.10. Headings. The descriptive headings contained in
this Agreement are included for convenience of reference only and shall not
affect in any way the meaning or interpretation of this Agreement.

                  SECTION 4.11. Counterparts. This Agreement may be executed and
delivered (including by facsimile transmission) in one or more counterparts, and
by the different parties hereto in separate counterparts, each of which when
executed and delivered shall be deemed to be an original but all of which taken
together shall constitute one and the same agreement.

                  SECTION 4.12. Entire Agreement. This Agreement constitutes the
entire agreement among the parties with respect to the subject matter hereof and
supersedes all prior agreements and understandings among the parties with
respect thereto. No addition to or modification of any provision of this
Agreement shall be binding upon any party hereto unless made in writing and
signed by all parties hereto.



<PAGE>


                                        8

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

                                                    IVAX CORPORATION


                                                    By:_________________________
                                                         Name:
                                                         Title:



                                                    ____________________________
                                                    Robert E. Martini




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