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AGREEMENT AND PLAN OF MERGER

Agreement and Plan of Merger

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PFIZER INC | WAGNER ACQUISITION CORP

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Title: AGREEMENT AND PLAN OF MERGER
Governing Law: Delaware     Date: 1/29/2009
Industry: Major Drugs     Law Firm: Wachtell Lipton;Cadwalader Wickersham;Simpson Thacher     Sector: Healthcare

AGREEMENT AND PLAN OF MERGER, Parties: pfizer inc , wagner acquisition corp
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                                                                     EXHIBIT 2.1

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

                          AGREEMENT AND PLAN OF MERGER

                                       among

                                  PFIZER INC.,

                            WAGNER ACQUISITION CORP.

                                       and

                                      WYETH

                          Dated as of January 25, 2009

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

<PAGE>

                                TABLE OF CONTENTS

                                                                            Page

                                     ARTICLE I

                                   THE MERGER

Section 1.1    The Merger.....................................................1
Section 1.2    Closing........................................................1
Section 1.3    Effective Time.................................................2
Section 1.4    Effects of the Merger..........................................2
Section 1.5    Bylaws.........................................................2
Section 1.6    Certificate of Incorporation...................................2
Section 1.7    Officers and Directors.........................................2
Section 1.8    Effect on Capital Stock........................................2
Section 1.9    Company Stock Options and Other Equity-Based Awards............4
Section 1.10   Certain Adjustments............................................7
Section 1.11   Appraisal Rights...............................................7

                                   ARTICLE II

                               EXCHANGE OF SHARES

Section 2.1    Exchange Agent.................................................8
Section 2.2    Exchange Procedures............................................8
Section 2.3    Distributions with Respect to Unexchanged Shares..............10
Section 2.4     No Further Ownership Rights...................................10
Section 2.5    No Fractional Shares of Parent Common Stock...................10
Section 2.6    Termination of Exchange Fund..................................11
Section 2.7    No Liability..................................................11
Section 2.8    Investment of the Exchange Fund...............................11
Section 2.9    Lost Certificates.............................................12
Section 2.10   Withholding Rights............................................12
Section 2.11   Further Assurances............................................12
Section 2.12   Stock Transfer Books..........................................12

                                   ARTICLE III

                  REPRESENTATIONS AND WARRANTIES OF THE COMPANY

Section 3.1    Organization, Good Standing and Qualification.................13
Section 3.2    Capital Structure.............................................13
Section 3.3    Corporate Authority...........................................15
Section 3.4    Governmental Filings; No Violations, Etc......................16
Section 3.5    Company Reports; Financial Statements.........................17
Section 3.6    Absence of Certain Changes....................................19
Section 3.7    Litigation....................................................19
Section 3.8    Compliance with Laws..........................................19
Section 3.9    Properties....................................................20
Section 3.10   Contracts.....................................................20
Section 3.11   Employee Benefit Plans........................................21
Section 3.12   Labor Matters.................................................24
Section 3.13   Tax...........................................................24
Section 3.14   Intellectual Property.........................................25
Section 3.15   Environmental Matters.........................................26
Section 3.16   Insurance.....................................................27
Section 3.17   Regulatory Compliance.........................................27
Section 3.18   Interested Party Transactions.................................28
Section 3.19   Brokers and Finders...........................................28
Section 3.20   No Additional Representations.................................28

                                   ARTICLE IV

                  REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB

Section 4.1    Organization, Good Standing and Qualification.................30
Section 4.2    Capital Structure.............................................30
Section 4.3    Corporate Authority...........................................31
Section 4.4    Governmental Filings; No Violations; Etc......................32
Section 4.5    Parent Reports; Financial Statements..........................32
Section 4.6    Litigation....................................................34
Section 4.7    Brokers and Finders...........................................34
Section 4.8    No Business Activities........................................35
Section 4.9    Board Approval................................................35
Section 4.10   Vote Required.................................................35
Section 4.11   Financing.....................................................35
Section 4.12   Absence of Certain Changes....................................36
Section 4.13   Compliance with Laws..........................................36
Section 4.14   Certain Agreements............................................36
Section 4.15   Tax...........................................................36
Section 4.16   Intellectual Property.........................................37
Section 4.17   Regulatory Compliance.........................................37
Section 4.18   No Additional Representations.................................38

                                    ARTICLE V

                    COVENANTS RELATING TO CONDUCT OF BUSINESS

Section 5.1    Ordinary Course...............................................39
Section 5.2    Governmental Filings..........................................45
Section 5.3    Restrictions on Parent........................................45

                                   ARTICLE VI

                               ADDITIONAL AGREEMENTS

Section 6.1    Preparation of Proxy Statement; Stockholders Meeting..........47
Section 6.2    Access to Information/Employees...............................49
Section 6.3    Reasonable Best Efforts.......................................49
Section 6.4    Acquisition Proposals.........................................52
Section 6.5    Employee Benefits Matters.....................................55
Section 6.6    Fees and Expenses.............................................57
Section 6.7    Directors' and Officers' Indemnification and Insurance........57
Section 6.8    Public Announcements..........................................59
Section 6.9    Listing of Shares of Parent Common Stock and Parent
               Convertible Preferred Stock..................................60
Section 6.10   Dividends.....................................................60
Section 6.11   Section 16 Matters............................................60
Section 6.12   Company Cooperation on Certain Matters........................60
Section 6.13   Financing Cooperation.........................................60
Section 6.14   Convertible Debentures and Company Convertible Preferred Stock.63
Section 6.15   Board Representation..........................................64

                                   ARTICLE VII

                              CONDITIONS PRECEDENT

Section 7.1    Conditions to Each Party's Obligation to Effect the Merger....64
Section 7.2    Additional Conditions to Obligations of Parent and Merger Sub.65
Section 7.3    Additional Conditions to Obligations of the Company...........66

                                  ARTICLE VIII

                            TERMINATION AND AMENDMENT

Section 8.1    General.......................................................67
Section 8.2    Obligations in Event of Termination...........................69
Section 8.3    Amendment.....................................................71
Section 8.4    Extension; Waiver.............................................71

                                    ARTICLE IX

                               GENERAL PROVISIONS

Section 9.1    Non-Survival of Representations, Warranties and Agreements....72
Section 9.2    Notices.......................................................72
Section 9.3    Headings......................................................73
Section 9.4    Counterparts..................................................74
Section 9.5    Entire Agreement; No Third-Party Beneficiaries................74
Section 9.6    Governing Law.................................................74
Section 9.7    Severability..................................................74
Section 9.8    Assignment....................................................74
Section 9.9    Submission to Jurisdiction; Waivers...........................74
Section 9.10   Specific Performance..........................................75
Section 9.11   Waiver of Jury Trial..........................................75
Section 9.12   Interpretation................................................75
Section 9.13   Definitions...................................................76

<PAGE>

                                LIST OF EXHIBITS

Exhibit   Title

A         Bylaws of the Surviving Corporation

B         Certificate of Incorporation of the Surviving Corporation

<PAGE>

                          AGREEMENT AND PLAN OF MERGER

            Agreement and Plan of Merger, dated as of January 25, 2009 (this
"Agreement"), among PFIZER INC., a Delaware corporation ("Parent"), WAGNER
ACQUISITION CORP., a Delaware corporation and a direct wholly-owned subsidiary
of Parent ("Merger Sub"), and WYETH, a Delaware corporation (the "Company" and
collectively with Parent and Merger Sub, the "parties").

                              W I T N E S S E T H:

            WHEREAS, the Board of Directors of each of the Company and Parent
deem it advisable and in the best interests of their respective corporation and
stockholders that the Company and Parent engage in a business combination; and

            WHEREAS, the combination of the Company and Parent shall be effected
by, and subject to, the terms of this Agreement through a merger as set forth
below;

            NOW, THEREFORE, in consideration of the foregoing and the respective
representations, warranties, covenants and agreements set forth in this
Agreement, and intending to be legally bound hereby, the parties agree as
follows:

                                   ARTICLE I

                                   THE MERGER

            Section 1.1 The Merger. Upon the terms and subject to the conditions
set forth in this Agreement, and in accordance with the General Corporation Law
of the State of Delaware (the "DGCL"), Merger Sub shall be merged with and into
the Company at the Effective Time (the "Merger"). Following the Merger, the
separate corporate existence of Merger Sub shall cease and the Company shall
continue as the surviving corporation (the "Surviving Corporation").

            Section 1.2 Closing. Upon the terms and subject to the conditions
set forth in this Agreement, the closing of the Merger (the "Closing") will take
place at 10:00 a.m. New York City time on the date that is the fifth (5th)
Business Day following the satisfaction or (subject to applicable Law) waiver of
the conditions set forth in Article VII (excluding conditions that, by their
nature, cannot be satisfied until the Closing Date, but subject to the
fulfillment or waiver of those conditions); provided, however, that (i) in the
event that the proceeds from the Financing (or any alternative financing) are
unavailable on such fifth (5th) Business Day, the Closing will take place on the
earlier of (A) the date that is the tenth (10th) Business Day following the date
on which Parent receives the Election Notice from the Company and (B) December
31, 2009, and (ii) in no event shall Parent be obligated to consummate the
Closing prior to July 31, 2009, unless this Agreement has been previously
terminated pursuant to its terms or unless another time or date is agreed to in
writing by the parties (the actual time and date of the Closing being referred
to herein as the "Closing Date"). The Closing shall be held at the offices of
Cadwalader, Wickersham & Taft LLP, One World Financial Center, New York, New
York, 10281, or at such other place as the parties may agree.

            Section 1.3 Effective Time. At the Closing, the Company shall (i)
file a certificate of merger (the "Certificate of Merger") in such form as is
required by, and executed and acknowledged in accordance with, the relevant
provisions of the DGCL and (ii) make all other filings or recordings required
under the DGCL in connection with the Merger. The Merger shall become effective
at such time as the Certificate of Merger is duly filed with the Delaware
Secretary of State or at such subsequent time as Parent and the Company shall
agree and as shall be specified in the Certificate of Merger (the date and time
the Merger becomes effective being the "Effective Time").

            Section 1.4 Effects of the Merger. At and after the Effective Time,
the Merger will have the effects set forth herein and in the DGCL. Without
limiting the generality of the foregoing, and subject thereto, at the Effective
Time all the property, rights, privileges, immunities, powers and franchises of
the Company and Merger Sub shall be vested in the Surviving Corporation, and all
debts, liabilities and duties of the Company and Merger Sub shall become the
debts, liabilities and duties of the Surviving Corporation.

            Section 1.5 Bylaws. The bylaws of Merger Sub, as in effect
immediately prior to the Effective Time, shall be the bylaws of the Surviving
Corporation and shall read in their entirety as set forth in Exhibit A hereto
until thereafter changed or amended as provided therein or by applicable Law
(subject to Section 6.7).

            Section 1.6 Certificate of Incorporation. At the Effective Time, the
certificate of incorporation of the Company shall be amended so as to read in
its entirety as set forth in Exhibit B hereto and, as so amended, shall be the
certificate of incorporation of the Surviving Corporation until thereafter
amended in accordance with its terms and as provided by applicable Law (subject
to Section 6.7).

            Section 1.7 Officers and Directors. From and after the Effective
Time, until their successors are duly elected or appointed and qualified in
accordance with applicable Law, (i) the directors of Merger Sub immediately
prior to the Effective Time shall be the directors of the Surviving Corporation
and (ii) the officers of the Company immediately prior to the Effective Time
shall be the officers of the Surviving Corporation.

            Section 1.8 Effect on Capital Stock.

            (a) At the Effective Time, by virtue of the Merger and without any
action on the part of the holder thereof, each share of common stock, par value
$0.01 per share, of Merger Sub issued and outstanding immediately prior to the
Effective Time, shall be converted into one validly issued, fully paid and
non-assessable share of common stock, par value $0.01 per share, of the
Surviving Corporation.

            (b) At the Effective Time, by virtue of the Merger and without any
action on the part of the holder thereof, each share of common stock, par value
$0.33 1/3 per share, of the Company ("Company Common Stock") issued and
outstanding immediately prior to the Effective Time (other than Restricted
Stock, which shall be treated in accordance with Section 1.9(d), and shares of
Company Common Stock and Company Convertible Preferred Stock owned directly or
indirectly by Parent or held directly or indirectly by the Company, all of which
shall be canceled as provided in Section 1.8(e)), shall, except as provided in
Section 1.11 with respect to the shares of Company Common Stock as to which
appraisal rights have been exercised, be converted into the right to receive (i)
0.985 (as may be adjusted pursuant to this Section 1.8, the "Exchange Ratio")
validly issued, fully paid and non-assessable shares of common stock ("Parent
Common Stock"), par value $0.05 per share, of Parent (unless the aggregate
number of shares of Parent Common Stock to be issued in the Merger pursuant to
this Section 1.8 and Section 1.9, together with the shares, if any, of Parent
Common Stock issuable upon conversion of the Parent Convertible Preferred Stock
and the Floating Rate Convertible Senior Debentures Due 2024 (the "Convertible
Debentures"), in each case to the extent shares of Parent Convertible Preferred
Stock and/or the Convertible Debentures are issued and outstanding as of the
Effective Time, would exceed 19.9% of Parent's issued and outstanding shares of
Parent Common Stock immediately prior to the Effective Time (19.9% of such
issued and outstanding shares rounded down to the nearest whole share, the
"Maximum Share Number") in which case the Exchange Ratio shall be reduced (the
amount of such reduction, the "Exchange Ratio Reduction Number") to the minimum
extent necessary such that the number of shares of Parent Common Stock issuable
in the Merger pursuant to this Section 1.8 and Section 1.9, together with the
shares, if any, of Parent Common Stock issuable upon conversion of the Parent
Convertible Preferred Stock and the Convertible Debentures, equals the Maximum
Share Number) (the "Stock Consideration") and (ii) $33.00 in cash without
interest plus, if the Exchange Ratio is adjusted pursuant to the preceding
clause (i), the amount in cash equal to the Exchange Ratio Reduction Number
multiplied by the Parent Share Cash Value (the "Cash Consideration"). Together
with any cash in lieu of fractional shares of Parent Common Stock to be paid
pursuant to Section 2.5, the Stock Consideration and Cash Consideration are
collectively referred to herein as the "Common Stock Merger Consideration."

            (c) At the Effective Time, by virtue of the Merger and without any
action on the part of the holder thereof, each share of the $2 Convertible
Preferred Stock, par value $2.50 per share, of the Company ("Company Convertible
Preferred Stock"), issued and outstanding immediately prior to the Effective
Time, if any, shall be converted into the right to receive one share of a new
series of convertible preferred stock ("Parent Convertible Preferred Stock") to
be issued by Parent at the Effective Time and to be designated as Parent
Convertible Preferred Stock (the "Preferred Stock Merger Consideration", and
collectively with the Common Stock Merger Consideration, the "Merger
Consideration") having the same powers, designations, preferences and rights (to
the fullest extent practicable) as the shares of Company Convertible Preferred
Stock (it being understood that the number of shares of Parent Common Stock into
which each share of Parent Convertible Preferred Stock shall be convertible will
equal the product of (i) the number of shares of Common Stock into which a share
of Company Convertible Preferred Stock is convertible immediately prior to the
Effective Time and (ii) the sum of the (A) the Exchange Ratio and (B) the
quotient of the Cash Consideration and the Parent Share Cash Value). Prior to
the Closing, Parent shall take all corporate action necessary to reserve for
issuance a sufficient number of shares of Parent Common Stock for delivery upon
conversion of the Parent Convertible Preferred Stock.

            (d) Except as set forth in Section 1.8(e), Section 1.9(d) and
Section 1.11, as a result of the Merger and without any action on the part of
the holders thereof, at the Effective Time, all shares of outstanding Company
Common Stock and Company Convertible Preferred Stock, if any, shall cease to be
outstanding and shall be canceled and retired and shall cease to exist, and each
holder of a certificate or certificates which immediately prior to the Effective
Time represented any such shares of Company Common Stock ("Common Certificates")
or of Company Convertible Preferred Stock ("Preferred Certificates" and together
with the Common Certificates, the "Certificates") or book-entry shares which
immediately prior to the Effective Time represented shares of Company Common
Stock ("Common Book-Entry Shares") or shares of Company Convertible Preferred
Stock ("Preferred Book-Entry Shares" and together with the Common Book-Entry
Shares, the "Book-Entry Shares") shall thereafter cease to have any rights with
respect to such shares of Company Common Stock or Company Convertible Preferred
Stock, respectively, except as provided herein or by Law.

            (e) Each share of Company Common Stock and Company Convertible
Preferred Stock owned by Parent or held by the Company at the Effective Time
including any Reacquired Shares shall, by virtue of the Merger, cease to be
outstanding and shall be canceled and retired and no stock of Parent or other
consideration shall be delivered in exchange therefor.

            Section 1.9 Company Stock Options and Other Equity-Based Awards.

            (a) By virtue of the Merger, each option to purchase shares of
Company Common Stock under the applicable Company Stock Plans that is
outstanding immediately prior to the Effective Time, whether or not then vested
and exercisable (collectively, the "Options" or "Company Stock Options") shall
become fully vested and exercisable immediately prior to, and then shall be
canceled at, the Effective Time, and the holder thereof shall, subject to
Section 1.9(f), be entitled to receive an amount in cash equal to the product of
(i) the excess, if any, of (1) the Per Share Amount over (2) the exercise price
per share of Company Common Stock subject to such Option, with the aggregate
amount of such payment rounded up to the nearest cent, and (ii) the total number
of shares of Company Common Stock subject to such fully vested and exercisable
Option as in effect immediately prior to the Effective Time (the "Option
Consideration"). The Option Consideration shall be paid in a lump sum as soon as
practicable after the Effective Time but in no event later than ten (10)
Business Days following the Effective Time.

            (b) By virtue of the Merger, each restricted stock unit,
representing a right to receive one share of Company Common Stock (an "RSU")
granted by the Company under any Company Stock Plan, including each "performance
share award" denominated in RSUs (but excluding any DSU (as defined in Section
1.9(c)), which is outstanding immediately prior to the Effective Time shall
become fully vested (except that with respect to any RSU, which by the terms of
the award agreement pursuant to which it was granted provides for a lesser
percentage of such RSUs to become vested upon the consummation of the Merger,
shall only become vested as to such lesser percentage), and then shall be
canceled at the Effective Time, and the holder of such vested RSU shall, subject
to Section 1.9(f), be entitled to receive an amount in cash equal to the Per
Share Amount in respect of each share of Company Common Stock into which the
vested portion of the RSU would otherwise be convertible (the "RSU
Consideration"), which shall be paid in a lump sum as soon as practicable after
the Effective Time but in no event later than ten (10) Business Days following
the Effective Time. Notwithstanding the foregoing, any RSU that constitutes,
either in whole or in part, a deferral of compensation subject to Section 409A
of the Code (the "409A Deferred RSUs"), shall be treated in the appropriate
manner provided in (i) or (ii) below, as applicable:

            (i) Each 409A Deferred RSU that first becomes vested as a result of
      the transactions contemplated under this Agreement (the "409A RSUs")
      shall, as of the Effective Time, become a vested right to receive, in
      respect of each share of Company Common Stock into which the 409A RSUs
      would otherwise be convertible, the Common Stock Merger Consideration (the
      "409A RSU Consideration"); provided, however, that all such 409A RSU
      Consideration shall be deposited in a grantor trust that satisfies the
      requirements of Revenue Procedure 92-64 (the "Grantor Trust") and that
      will serve as the funding source for the Surviving Corporation to satisfy
      its obligations to pay each former holder of a 409A Deferred RSU the
      amount of 409A RSU Consideration due to such holder at such time(s) and in
      such manner as may be provided under the terms of the applicable Company
      Stock Plan, award agreement, deferral election form and/or any other
      payment election form, applicable to such holder's respective 409A RSU
      (collectively, the "Deferred Payment Terms"). Additionally, during the
      period that any such 409A RSU Consideration remains in such Grantor Trust,
      (x) the portion of the 409A RSU Consideration that is comprised of the
      Cash Consideration shall accrue interest at the "Market Rate" (as such
      term is defined under the Wyeth 2005 (409A) Deferred Compensation Plan
      (effective January 1, 2005) (the "Wyeth 2005 (409A) DCP") and (y) the
      portion of the 409A RSU Consideration that is comprised of the Stock
      Consideration shall accrue, in additional shares of Parent Common Stock
      (with any cash dividends being reinvested into shares of Parent Common
      Stock).

            (ii) In respect of (x) each 409A Deferred RSU that has first become
      vested in accordance with its terms, other than as a result of the
      transactions contemplated under this Agreement and (y) any RSU that would
      have constituted, either in whole or in part, a deferral of compensation
      subject to Section 409A of the Code, but for such RSU having been earned
      and vested prior to December 31, 2004 (and any dividend equivalents that
      have been credited with respect to such RSU) (any of the foregoing, a
      "Vested Deferred RSU") for which there is outstanding a corresponding
      share of Company Common Stock held in the Wyeth Restricted Stock Trust
      (the "Stock Trust") for the purpose of satisfying the Company's
      obligations to deliver shares of Company Common Stock in respect of such
      Vested Deferred RSU (the "Deferred RSU Shares") in accordance with the
      applicable Deferred Payment Terms, immediately upon the Effective Time,
      each such Deferred RSU Share shall be converted into Common Stock Merger
      Consideration pursuant to Section 1.8(b) above (the "Vested Deferred RSU
      Consideration"); provided, however, that all such Vested Deferred RSU
      Consideration shall be held in the Stock Trust and any payments due in
      respect of such Deferred RSU Shares shall be as set forth under the
      applicable Deferred Payment Terms; and provided, further, that, during the
      period that any such Vested Deferred RSU Consideration is held in the
      Stock Trust (x) the portion of the Vested Deferred RSU Consideration
      representing the Cash Consideration shall accrue interest at the Market
      Rate and (y) the portion of the Vested Deferred RSU Consideration
      representing the Stock Consideration shall accrue, in additional shares of
      Parent Common Stock, dividends in the same amount(s) and at the same
      time(s) as dividends are paid on Parent Common Stock.

            (c) By virtue of the Merger and pursuant to the terms of the
Company's 2008 Non-Employee Director Stock Incentive Plan or 2006 Non-Employee
Director Stock Incentive Plan (together, the "Director DSU Plans"), each
deferred stock unit, representing a right to receive one share of Company Common
Stock granted by the Company under the Director DSU Plans (a "DSU") which is
outstanding immediately prior to the Effective Time shall become vested and then
canceled at the Effective Time, and the holder thereof shall, subject to Section
1.9(f), be entitled to receive (i) an amount in cash equal to the Per Share
Amount in respect of each share of Company Common Stock subject to the DSU
(including shares attributable to dividend equivalents accrued on such DSU and
converted into additional shares of Company Common Stock subject to such DSU),
and (ii) the amount in cash equal to any dividend equivalents then credited to
the holder's DSU account which have not yet been converted into shares of
Company Common Stock, all in accordance with the Director DSU Plans (the "DSU
Consideration"), which shall be paid in a lump sum as soon as practicable after
the Effective Time but in no event later than ten (10) Business Days following
the Effective Time. In addition, and pursuant to the terms of the Company's
Directors' Deferral Plan (the "Director Deferral Plan"), effective as of the
Effective Time, each phantom share of Common Stock credited to a participant's
account thereunder (including phantom shares attributable to dividend
equivalents) shall be converted into the right to receive an amount in cash
equal to the Per Share Amount (such amount, the "Director Deferral Amount").
Such Director Deferral Amounts shall, to the extent provided under the Director
Deferral Plan, be paid out in a lump sum immediately following the Effective
Time (but in no event later than ten (10) Business Days following the Effective
Time); provided, however, that any such other Director Deferral Amounts (the
"Grandfathered Amounts") that do not, under the terms of the Director Deferral
Plan, become payable immediately upon the Effective Time shall instead be paid
out in accordance with the applicable payment schedules provided under the
Director Deferral Plan; provided, further, that for so long as any Grandfathered
Amounts remain in the accounts maintained under the Director Deferral Plan, such
amounts shall accrue an amount of deemed interest at the "Company Credit" rate
(as such term is defined in such plan).

            (d) By virtue of the Merger and pursuant to the terms of the 1994
Restricted Stock Plan for Non-Employee Directors (the "1994 Plan"), each
restricted share of Company Common Stock granted by the Company under the 1994
Plan that is either unvested, or vested but held in the Stock Trust
(collectively, the "Restricted Stock") that is outstanding immediately prior to
the Effective Time shall, to the extent not vested, vest as of the Effective
Time, and at the Effective Time, the holder of all of the foregoing Restricted
Stock shall, subject to Section 1.9(f), be entitled to receive an amount in cash
equal to the Per Share Amount in cancellation of each share of Restricted Stock
previously held under such Company Stock Plan (the "Restricted Stock
Consideration"). The Restricted Stock Consideration shall be paid to such
holders as soon as practicable after the Effective Time but in no event later
than ten (10) Business Days following the Effective Time.

            (e) As of the Effective Time, each phantom share of Company Common
Stock credited to a participant account under any of the Wyeth Supplemental
Employee Savings Plan (amended and restated effective as of January 1, 2005),
the Wyeth 2005 (409A) DCP and the Wyeth Deferred Compensation Plan, amended and
restated as of November 20, 2003 (and further amended January 1, 2005)
(collectively, the "Company Deferred Equity Unit Plans") shall be converted into
the right to receive an amount equal to the Common Stock Merger Consideration
(the "Deferred Equity Unit Amount" ); provided, further, however, that the Cash
Consideration component of such Deferred Equity Unit Amount shall accrue
interest at the Market Rate, unless and until all or any portion of such
notional Cash Consideration component of the Deferred Equity Unit Amount is
notionally invested in another investment option, to the extent provided for
under any Deferred Equity Unit Plan, and the Stock Consideration component of
such Deferred Equity Unit Amount shall earn dividend equivalents in the same
manner as would otherwise be earned under the applicable Company Deferred Equity
Unit Plan. All amounts payable under the Deferred Equity Unit Plans (including
the Deferred Equity Unit Amount) shall be paid to participants in accordance
with the terms of the applicable Deferred Payment Terms. Solely with respect to
the Wyeth Management Incentive Plan, as amended through December 5, 2007 (the
"MIP"), each right to receive a share of Company Common Stock outstanding
thereunder as of the Effective Time shall be converted into the right to receive
the Common Stock Merger Consideration, to be paid to participants therein in
accordance with and subject to the terms of the MIP.

            (f) All amounts payable pursuant to this Section 1.9 shall be
reduced by any required withholding of taxes in accordance with Section 2.10 and
shall, except as otherwise provided in this Section 1.9, be paid without
interest.

            (g) Any such amounts representing Option Consideration, RSU
Consideration, 409A RSU Consideration, Vested Deferred RSU Consideration, DSU
Consideration, Restricted Stock Consideration or the Director Deferred Amounts
(and amounts due under the MIP) shall be paid by Parent or the Surviving
Corporation, and any such amounts paid by the Surviving Corporation shall be
reimbursed promptly by Parent to the Surviving Corporation following the
Effective Time.

            (h) Prior to the Effective Time, the Board of Directors of the
Company (or the appropriate committee thereof) shall, and such Board of
Directors (or the appropriate committee thereof) shall cause the Company to, use
its commercially reasonable efforts to take all actions reasonably required to
effectuate the provisions of this Section 1.9.

            Section 1.10 Certain Adjustments. If, between the date of this
Agreement and the Effective Time, the outstanding Parent Common Stock or Company
Common Stock shall have been changed into a different number of shares or
different class by reason of any reclassification, recapitalization, stock
split, split-up, combination or exchange of shares or a stock dividend or
dividend payable in any other securities shall be declared with a record date
within such period, or any similar event shall have occurred, the Common Stock
Merger Consideration shall be appropriately adjusted to provide to the holders
of Company Common Stock the same economic effect as contemplated by this
Agreement prior to such event.

            Section 1.11 Appraisal Rights.

            (a) Notwithstanding anything in this Agreement to the contrary,
shares of Company Common Stock outstanding immediately prior to the Effective
Time and held by a holder who has not voted in favor of the adoption of this
Agreement and who has demanded appraisal for such shares of Company Common Stock
in accordance with the DGCL shall not be converted into the right to receive the
Common Stock Merger Consideration unless such holder fails to perfect or
withdraws or otherwise loses such holder's right to appraisal in accordance with
the DGCL. If, after the Effective Time, such holder fails to perfect or
withdraws or loses such holder's right to appraisal, such shares of Company
Common Stock shall be treated as if they had been converted into, and exchanged
for, as of the Effective Time, the right to receive the Common Stock Merger
Consideration.

            (b) The Company shall give Parent (i) prompt notice of any demands
for appraisal received by the Company, withdrawals of such demands, and any
other instruments served pursuant to Section 262 of the DGCL and received by the
Company and (ii) the opportunity to direct all negotiations and proceedings with
respect to demands for appraisal under the DGCL. The Company shall not, except
with the prior written consent of Parent, make any payment with respect to any
demands for appraisal or offer to settle or settle any such demands.

                                   ARTICLE II

                               EXCHANGE OF SHARES

            Section 2.1 Exchange Agent. Prior to the Effective Time, Parent
shall appoint a commercial bank or trust company to act as exchange agent
hereunder (which entity shall be reasonably acceptable to the Company) for the
purpose of exchanging Certificates and Book-Entry Shares for the Merger
Consideration (the "Exchange Agent"). At or prior to the Effective Time, Parent
shall deposit with the Exchange Agent, (a) in trust for the benefit of holders
of shares of Company Common Stock, Common Book-Entry Shares (or certificates if
requested) representing the Parent Common Stock issuable, and cash in U.S.
dollars in an amount sufficient to pay the Cash Consideration payable, pursuant
to Section 1.8 in exchange for outstanding shares of Company Common Stock, and
(b) in trust for the benefit of holders of shares of Company Convertible
Preferred Stock, Preferred Book-Entry Shares (or certificates if requested)
representing the Parent Convertible Preferred Stock issuable pursuant to Section
1.8 in exchange for outstanding shares of Company Convertible Preferred Stock.
Parent agrees to make available directly or indirectly to the Exchange Agent
from time to time as needed, any cash in lieu of fractional shares of Parent
Common Stock to be issued or paid in consideration therefor pursuant to Section
2.5 of this Agreement and any dividends or distributions to which such holder is
entitled pursuant to Section 2.3 of this Agreement. Any cash, shares of Parent
Common Stock and Parent Convertible Preferred Stock deposited with the Exchange
Agent shall hereinafter be referred to as the "Exchange Fund." Notwithstanding
anything herein to the contrary, the exchange procedures described in this
Article II shall not apply to Restricted Stock and the Restricted Stock
Consideration and the Exchange Agent shall not act as exchange agent for the
Restricted Stock.

            Section 2.2 Exchange Procedures.

            (a) Promptly after the Effective Time, and in any event not later
than the fifth (5th) Business Day following the Effective Time, the Surviving
Corporation shall cause the Exchange Agent to mail to each holder of record of a
Certificate (i) a letter of transmittal which shall specify that delivery shall
be effected, and risk of loss and title to the Certificates shall pass, only
upon proper delivery of the Certificates to the Exchange Agent, and which letter
shall be in customary form and have such other provisions as Parent may
reasonably specify (such letter to be reasonably acceptable to the Company prior
to the Effective Time) and (ii) instructions for effecting the surrender of such
Certificates (or effective affidavits of loss in lieu thereof) in exchange for
the applicable Merger Consideration, any cash in lieu of fractional shares of
Parent Common Stock to be issued or paid in consideration therefor pursuant to
Section 2.5 of this Agreement and any dividends or distributions to which such
holder is entitled pursuant to Section 2.3 of this Agreement. Upon surrender of
a Certificate to the Exchange Agent together with such letter of transmittal,
duly executed and completed in accordance with the instructions thereto, and
such other documents as may reasonably be required by the Exchange Agent, the
holder of such Certificate shall be entitled to receive in exchange therefor:

            (i) in the case of holders of Common Certificates (A) one or more
      shares of Parent Common Stock (which shall be in uncertificated book-entry
      form unless a physical certificate is requested) representing, in the
      aggregate, the whole number of shares that such holder has the right to
      receive pursuant to Section 1.8 (after taking into account all shares of
      Company Common Stock then held by such holder) and (B) cash in the amount
      equal to the Cash Consideration that such holder has the right to receive
      pursuant to Section 1.8, plus cash that such holder has the right to
      receive in lieu of any fractional shares of Parent Common Stock pursuant
      to Section 2.5 and dividends and other distributions pursuant to Section
      2.3 (in each case, after taking into account all shares of Company Common
      Stock then held by such holder); and

            (ii) in the case of holders of Preferred Certificates (A) one or
      more shares of Parent Convertible Preferred Stock (which shall be in
      uncertificated book-entry form unless a physical certificate is requested)
      representing, in the aggregate, the number of shares that such holder has
      the right to receive pursuant to Section 1.8 and (B) cash that such holder
      has the right to receive in lieu of any dividends and other distributions
      pursuant to Section 2.3 (in each case, after taking into account all
      shares of Company Convertible Preferred Stock then held by such holder).

      Notwithstanding anything to the contrary contained in this Agreement, any
holder of Book-Entry Shares shall not be required to deliver a Certificate or an
executed letter of transmittal to the Exchange Agent to receive the Merger
Consideration that such holder is entitled to receive pursuant to this
Agreement.

            (b) No interest will be paid or will accrue on any cash payable
pursuant to Section 2.3 or Section 2.5.

            (c) In the event of a transfer of ownership of a Certificate
representing Company Common Stock or Company Convertible Preferred Stock that is
not registered in the stock transfer records of the Company, the Common Stock
Merger Consideration or the Preferred Stock Merger Consideration, as applicable,
shall be issued or paid in exchange therefor to a person other than the person
in whose name the Certificate so surrendered is registered if the Certificate
formerly representing such Company Common Stock or Company Convertible Preferred
Stock shall be properly endorsed or otherwise be in proper form for transfer and
the person requesting such payment or issuance shall pay any transfer or other
similar Taxes required by reason of the payment or issuance to a person other
than the registered holder of the Certificate or establish to the satisfaction
of Parent that the Tax has been paid or is not applicable.

            Section 2.3 Distributions with Respect to Unexchanged Shares. All
shares of Parent Common Stock and Parent Convertible Preferred Stock to be
issued pursuant to this Agreement shall be deemed issued and outstanding as of
the Effective Time and whenever a dividend or other distribution is declared by
Parent in respect of the Parent Common Stock or Parent Convertible Preferred
Stock, as the case may be, the record date for which is at or after the
Effective Time, that declaration shall include dividends or other distributions
in respect of all shares issuable pursuant to this Agreement; provided that no
dividends or other distributions declared or made in respect of the Parent
Common Stock or Parent Convertible Preferred Stock, as the case may be, shall be
paid to the holder of any unsurrendered Certificate until the holder of such
Certificate shall surrender such Certificate in accordance with this Article II.
Subject to the effect of applicable Laws, following surrender of any such
Certificate, there shall be paid to such holder of shares of Parent Common Stock
or Parent Convertible Preferred Stock issuable in exchange therefor, without
interest, (a) promptly after the time of such surrender, the amount of any cash
payable in lieu of fractional shares of Parent Common Stock to which such holder
is entitled pursuant to Section 2.5 and the amount of dividends or other
distributions with a record date after the Effective Time theretofore paid with
respect to such whole shares of Parent Common Stock or shares of Parent
Convertible Preferred Stock, and (b) at the appropriate payment date, the amount
of dividends or other distributions with a record date at or after the Effective
Time but prior to such surrender and a payment date subsequent to such surrender
payable with respect to such shares of Parent Common Stock or Parent Convertible
Preferred Stock.

            Section 2.4 No Further Ownership Rights. All shares of Parent Common
Stock and Parent Convertible Preferred Stock issued and cash paid upon
conversion of shares of Company Common Stock or Company Convertible Preferred
Stock in accordance with the terms of Article I and this Article II (including
any cash paid pursuant to Section 1.8, Section 2.3 or Section 2.5) shall be
deemed to have been issued or paid in full satisfaction of all rights pertaining
to the shares of Company Common Stock and Company Convertible Preferred Stock,
as the case may be (other than any rights with respect to any unpaid dividends
with respect to Company Common Stock or Company Convertible Preferred Stock that
were declared prior to the Effective Time with a record date prior to the
Effective Time and a payment date after the Effective Time).

            Section 2.5 No Fractional Shares of Parent Common Stock.

            (a) No certificates or scrip or shares of Parent Common Stock
representing fractional shares of Parent Common Stock or book-entry credit of
the same shall be issued upon the surrender for exchange of Certificates and
such fractional share interests will not entitle the owner thereof to vote or to
have any rights of a stockholder of Parent or a holder of shares of Parent
Common Stock.

            (b) Notwithstanding any other provision of this Agreement, each
holder of shares of Company Common Stock exchanged pursuant to the Merger who
would otherwise have been entitled to receive a fraction of a share of Parent
Common Stock (after taking into account all Certificates delivered by such
holder) shall receive, in lieu thereof, cash (without interest) in an amount
equal to the product of (i) such fractional part of a share of Parent Common
Stock multiplied by (ii) the Parent Share Cash Value.

            (c) As promptly as practicable after the determination of the amount
of cash, if any, to be paid to holders of fractional interests, the Exchange
Agent shall so notify Parent, and Parent shall promptly deposit or cause the
Surviving Corporation to deposit such amount with the Exchange Agent and shall
cause the Exchange Agent to forward payments to such holders of fractional
interests subject to and in accordance with the terms hereof.

            Section 2.6 Termination of Exchange Fund. Any portion of the
Exchange Fund which remains undistributed to the holders of shares of Company
Common Stock or Company Convertible Preferred Stock for twelve (12) months after
the Effective Time shall be delivered to Parent or otherwise on the instruction
of Parent, and any holders of shares of Company Common Stock or Company
Convertible Preferred Stock who have not theretofore complied with this Article
II shall thereafter look only to Parent for, and Parent shall remain liable for,
the Common Stock Merger Consideration or Preferred Stock Merger Consideration,
as the case may be, to which such holders are entitled pursuant to Section 1.8
and Section 2.2, and any cash in lieu of fractional shares of Parent Common
Stock to which such holders are entitled pursuant to Section 2.5 and any
dividends or distributions with respect to shares of Parent Common Stock or
Parent Convertible Preferred Stock to which such holders are entitled pursuant
to Section 2.3. Any such portion of the Exchange Fund remaining unclaimed by
holders of shares of Company Common Stock or Company Convertible Preferred Stock
five (5) years after the Effective Time (or such earlier date immediately prior
to such time as such amounts would otherwise escheat to or become property of
any Governmental Entity shall, to the extent permitted by Law, become the
property of the Surviving Corporation free and clear of any claims or interest
of any Person previously entitled thereto.

            Section 2.7 No Liability. None of Parent, Merger Sub, the Company,
the Surviving Corporation or the Exchange Agent shall be liable to any Person in
respect of any Merger Consideration from the Exchange Fund delivered to a public
official pursuant to any applicable abandoned property, escheat or similar Law.

            Section 2.8 Investment of the Exchange Fund. The Exchange Agent
shall invest any cash included in the Exchange Fund as directed by Parent on a
daily basis in (i) short term direct obligations of the United States of America
with maturities of no more than 30 days, (ii) short term obligations for which
the full faith and credit of the United States of America is pledged to provide
for payment of all principal and interest or (iii) commercial paper obligations
receiving the highest rating from either Moody's Investor Services, Inc. or
Standard & Poor's; provided, that no gain or loss thereon shall affect the
amounts payable to the Company stockholders pursuant to Article I and the other
provisions of this Article II. If for any reason (including losses) the cash in
the Exchange Fund shall be insufficient to fully satisfy all of the payment
obligations to be made in cash by the Exchange Agent hereunder, Parent shall
promptly deposit cash into the Exchange Fund in an amount which is equal to the
deficiency in the amount of cash required to fully satisfy such cash payment
obligations. Any interest and other income resulting from such investments shall
promptly be paid to Parent.

            Section 2.9 Lost Certificates. If any Certificate shall have been
lost, stolen or destroyed, upon the making of an affidavit of that fact by the
Person claiming such Certificate to be lost, stolen or destroyed and, if
required by the Surviving Corporation, the posting by such Person of a bond in
such reasonable amount as the Surviving Corporation may direct as indemnity
against any claim that may be made against it with respect to such Certificate,
the Exchange Agent will deliver in exchange for such lost, stolen or destroyed
Certificate the applicable Merger Consideration with respect to the shares of
Company Common Stock or Company Convertible Preferred Stock, as the case may be,
formerly represented thereby, any cash in lieu of fractional shares of Parent
Common Stock to which such holders are entitled pursuant to Section 2.5, and
unpaid dividends and distributions on shares of Parent Common Stock or Parent
Convertible Preferred Stock to which such holders are entitled pursuant to
Section 2.3, as the case may be, deliverable in respect thereof, pursuant to
this Agreement.

            Section 2.10 Withholding Rights. Each of the Surviving Corporation,
Parent and the Exchange Agent shall be entitled to deduct and withhold from the
consideration otherwise payable pursuant to this Agreement to any holder of
shares of Company Common Stock, Company Convertible Preferred Stock, Company
Stock Options, RSUs, DSUs, Restricted Stock or any other Equity Interests in the
Company such amounts as it is required to deduct and withhold with respect to
the making of such payment under the Code and the rules and regulations
promulgated thereunder, or any provision of state, local or foreign Tax Law. To
the extent that amounts are so withheld by the Surviving Corporation, Parent or
the Exchange Agent, as the case may be, such withheld amounts shall be treated
for all purposes of this Agreement as having been paid to the holder of shares
of Company Common Stock, Company Convertible Preferred Stock, Company Stock
Options, RSUs, DSUs, Restricted Stock or other Equity Interests in the Company,
as the case may be, in respect of which such deduction and withholding was made
by the Surviving Corporation or Parent.

            Section 2.11 Further Assurances. After the Effective Time, the
officers and directors of the Surviving Corporation will be authorized to
execute and deliver, in the name and on behalf of the Company or Merger Sub, any
deeds, bills of sale, assignments or assurances and to take and do, in the name
and on behalf of the Company or Merger Sub, any other actions and things to
vest, perfect or confirm of record or otherwise in the Surviving Corporation any
and all right, title and interest in, to and under any of the rights, properties
or assets acquired or to be acquired by the Surviving Corporation as a result
of, or in connection with, the Merger.

            Section 2.12 Stock Transfer Books. The stock transfer books of the
Company shall be closed at the close of business on the day on which the
Effective Time occurs and there shall be no further registration of transfers of
shares of Company Common Stock or Company Convertible Preferred Stock thereafter
on the records of the Company. On or after the Effective Time, any Certificates
presented to the Exchange Agent or Parent for any reason shall be converted into
the Merger Consideration with respect to the shares of Company Common Stock or
Company Convertible Preferred Stock, as the case may be, formerly represented
thereby (including any cash in lieu of fractional shares of Parent Common Stock
to which the holders thereof are entitled pursuant to Section 2.5) and any
dividends or other distributions to which the holders thereof are entitled
pursuant to Section 2.3.

                                   ARTICLE III

                  REPRESENTATIONS AND WARRANTIES OF THE COMPANY

      Except (i) as disclosed in the Company SEC Documents filed since January
1, 2008 but prior to the date hereof (but excluding any risk factor disclosures
contained under the heading "Risk Factors," any disclosure of risks included in
any "forward-looking statements" disclaimer or any other statements that are
similarly non-specific or predictive or forward-looking in nature, in each case,
other than any specific factual information contained therein) or (ii) as set
forth in the Company Disclosure Letter delivered by the Company to Parent prior
to the execution of this Agreement (the "Company Disclosure Letter"), which
identifies items of disclosure by reference to a particular section or
subsection of this Agreement (provided, however, that any information set forth
in one section of such Company Disclosure Letter also shall be deemed to apply
to each other section and subsection of this Agreement to which its relevance is
reasonably apparent), the Company hereby represents and warrants to Parent and
Merger Sub as follows:

            Section 3.1 Organization, Good Standing and Qualification.

            (a) Each of the Company and its Significant Subsidiaries is a
corporation duly organized, validly existing and in good standing (with respect
to jurisdictions that recognize the concept of good standing) under the Laws of
its respective jurisdiction of organization and has all requisite corporate or
similar power and authority to own, lease and operate its properties and assets
and to carry on its business as presently conducted, except with respect to
Significant Subsidiaries, where the failure to be so organized, qualified or in
good standing, or to have such power or authority when taken together with all
other such failures, has not, and would not reasonably be expected to have,
individually or in the aggregate, a Company Material Adverse Effect. Each of the
Company and its Significant Subsidiaries is duly qualified or licensed to do
business and is in good standing (with respect to jurisdictions that recognize
the concept of good standing) as a foreign corporation in each jurisdiction
where the ownership, leasing or operation of its assets or properties or conduct
of its business requires such qualification, except where the failure to be so
organized, qualified or in good standing, or to have such power or authority
when taken together with all other such failures, has not, and would not
reasonably be expected to have, individually or in the aggregate, a Company
Material Adverse Effect.

            (b) The Company has delivered or made available to Parent and Merger
Sub a true and complete copy of the Company's currently effective certificate of
incorporation and bylaws, as amended and restated to the date hereof. The
Company's certificate of incorporation and bylaws so delivered are in full force
and effect and the Company is not in violation of its certificate of
incorporation or bylaws.

            (c) Section 3.1(c) of the Company Disclosure Letter lists, as of the
date of this Agreement, each Significant Subsidiary of the Company.

            Section 3.2 Capital Structure.

            (a) As of the close of business on January 23, 2009 (the
"Capitalization Date"), the authorized capital stock of the Company consists of
(i) 2,400,000,000 shares of Company Common Stock, of which 1,331,176,822 shares
were outstanding (inclusive of 37,823.2483 shares of Restricted Stock granted
pursuant to the Company Stock Plans) and 91,492,222 shares were held in the
treasury of the Company and (ii) 5,000,000 shares of Preferred Stock, par value
$2.50 per share, of which 2,830,000 have been designated as $2 Convertible
Preferred Stock, of which 8,959 shares were outstanding. There are no other
classes of capital stock of the Company authorized or outstanding. All issued
and outstanding shares of the capital stock of the Company are duly authorized,
validly issued, fully paid and non-assessable, and no class of capital stock is
entitled to preemptive rights.

            (b) From the close of business on the Capitalization Date through
the date of this Agreement, there have been no issuances of shares of the
capital stock or equity securities of the Company or any other securities of the
Company other than issuances of shares of Company Common Stock pursuant to the
exercise of Company Stock Options or the settlement of RSU or DSU rights
outstanding as of the Capitalization Date under the Company Stock Plans. There
were outstanding as of the Capitalization Date, no options, warrants, calls,
commitments, agreements, arrangements, undertakings or any other rights to
acquire capital stock from the Company other than Company Stock Options, RSUs
and DSUs as set forth in Section 3.2(b) of the Company Disclosure Letter and
other than the Company Convertible Preferred Stock. Section 3.2(b) of the
Company Disclosure Letter sets forth a complete and correct list, as of the
Capitalization Date, of the number of shares of Company Common Stock subject to
Company Stock Options, RSUs, DSUs, Restricted Stock or any other rights to
purchase or receive Company Common Stock granted under the Company Stock Plans
or otherwise. Immediately prior to the Closing, the Company will provide to
Parent a complete and correct list, as of the Closing, of the number of shares
of Company Common Stock subject to Company Stock Options, RSUs, DSUs, Restricted
Stock or any other rights to purchase or receive Company Common Stock granted
under the Company Stock Plans or otherwise, the dates of grant, the extent to
which such options are vested and, where applicable, the exercise prices
thereof. No options, warrants, RSUs, DSUs, calls, commitments, agreements,
arrangements, undertakings or other rights to acquire capital stock from the
Company, or other equity-based awards, have been issued or granted on or after
the Capitalization Date through the date of this Agreement.

            (c) Other than Convertible Debentures, no bonds, debentures, notes
or other indebtedness of the Company having the right to vote (or convertible
into or exercisable for securities having the right to vote) on any matters on
which holders of capital stock of the Company may vote ("Company Voting Debt")
are issued or outstanding.

             (d) Except as otherwise set forth in this Section 3.2, Section
6.5(j) or contained in Section 3.2(b) of the Company Disclosure Letter, as of
the date of this Agreement, (i) there are no outstanding obligations of the
Company or any of its Subsidiaries to repurchase, redeem or otherwise acquire
any shares of capital stock of the Company or any of its Subsidiaries except for
purchases, redemptions or other acquisitions of capital stock or other
securities (1) required by the terms of the Company Benefit Plans, (2) in order
to pay Taxes or satisfy withholding obligations in respect of such Taxes in
connection with the exercise of Company Stock Options, or (3) as required by the
terms of, or necessary for the administration of, any plans, arrangements or
agreements existing on the date hereof between the Company or any of its
Subsidiaries and any director or employee of the Company or any of its
Subsidiaries and (ii) there are no outstanding stock-appreciation rights,
security-based performance units, "phantom" stock or other security rights or
other agreements, arrangements or commitments of any character (contingent or
otherwise) pursuant to which any Person is or may be entitled to receive any
payment or other value based on the stock price performance of the Company or
any of its Subsidiaries (other than under the Company Stock Plans) or to cause
the Company or any of its Subsidiaries to file a registration statement under
the Securities Act of 1933, as amended (the "Securities Act").

            (e) Except as set forth in this Section 3.2, as of the date of this
Agreement, there are no outstanding obligations of the Company or any of its
Significant Subsidiaries (i) restricting the transfer of, (ii) affecting the
voting rights of, (iii) requiring the sales, issuance, repurchase, redemption or
disposition of, or containing any right of first refusal with respect to, (iv)
requiring the registration for sale of or (v) granting any preemptive or
antidilutive rights with respect to any shares of Company Common Stock, Company
Convertible Preferred Stock or other Equity Interests in the Company or any of
its Subsidiaries.

            (f) Section 3.2(f) of the Company Disclosure Letter sets forth, as
of the date hereof, for each of the Company's Significant Subsidiaries: (i) its
authorized capital stock or other Equity Interests, (ii) the number of its
outstanding shares of capital stock or other Equity Interests and type(s) of
such outstanding shares of capital stock or other Equity Interests and (iii) the
record owner(s) thereof. The Company owns directly or indirectly, beneficially
and of record, all of the issued and outstanding shares of capital stock or
other Equity Interests of each of the Company's Significant Subsidiaries, free
and clear of any Liens other than Permitted Liens, and all of such shares of
capital stock or other Equity Interests have been duly authorized and validly
issued and are fully paid, nonassessable and free of preemptive rights. Except
for the ownership of Equity Interests in the Company's Subsidiaries and
investments in marketable securities and cash equivalents, none of the Company
or any of its Subsidiaries owns directly or indirectly any Equity Interest in
any Person, or has any obligation or has made any commitment to acquire any such
Equity Interest, to provide funds to, or to make any investment (in the form of
a loan, capital contribution or otherwise) in, any of its Subsidiaries or any
other Person that is or would reasonably be expected to be material to the
Company and its Subsidiaries, taken as a whole.

            Section 3.3 Corporate Authority.

            (a) The Company has all requisite corporate power and authority and
has taken all corporate action necessary in order to execute, deliver and
perform its obligations under this Agreement and to consummate the transactions
contemplated hereby, subject, assuming the accuracy of the representations and
warranties of Parent and Merger Sub set forth in Section 4.14, only to the
adoption of this Agreement by the affirmative vote of the holders of a majority
in voting power of the outstanding shares of Company Common Stock and Company
Convertible Preferred Stock, voting together as a single class (the "Company
Requisite Vote"), and to the filing and recording of the Certificate of Merger
under the provisions of the DGCL. The Company Requisite Vote is the only vote of
the holders of any class or series of capital stock of the Company necessary to
adopt, approve or authorize this Agreement, the Merger and the other
transactions contemplated by this Agreement. This Agreement has been duly
authorized and validly executed and delivered by the Company and, assuming due
authorization, execution and delivery by Parent and Merger Sub, constitutes a
legal, valid and binding obligation of the Company enforceable against the
Company in accordance with its terms, subject to bankruptcy, insolvency,
fraudulent transfer, reorganization, moratorium and similar Laws of general
applicability relating to or affecting creditors' rights and to general equity
principles (the "Bankruptcy and Equity Exception").

            (b) As of the date of this Agreement, the Board of Directors of the
Company (i) has, by resolution duly adopted at a meeting duly called and held,
approved and declared advisable this Agreement and the Merger and the other
transactions contemplated by this Agreement; (ii) has received the separate
opinions of each of the Company Financial Advisors (as defined in Section 3.19
below), dated the date of this Agreement, to the effect that, as of such date
and subject to assumptions, qualifications and limitations set forth therein,
the Common Stock Merger Consideration to be received by the holders of the
Company Common Stock pursuant to the Merger is fair from a financial point of
view to such holders; (iii) has resolved to recommend adoption of this Agreement
to the stockholders of the Company; and (iv) has directed that this Agreement be
submitted to the holders of Company Common Stock and Company Convertible
Preferred Stock for adoption.

             (c) Assuming the accuracy of the representations and warranties of
Parent and Merger Sub set forth in Section 4.14, no "fair price," "moratorium,"
"control share acquisition" or other similar anti-takeover statute or regulation
(each, a "Takeover Statute") or any anti-takeover provision in the Company's
certificate of incorporation and bylaws is, or at the Effective Time will be,
applicable to the Company Common Stock, the Merger or the other transactions
contemplated by this Agreement. Assuming the accuracy of the representations and
warranties of Parent and Merger Sub set forth in Section 4.14, the Board of
Directors of the Company has taken all action so that Parent will not be
prohibited from entering into a "business combination" with the Company (as such
term is used in Section 203 of the DGCL) as a result of the execution of this
Agreement, or the consummation of the Merger or the other transactions
contemplated hereby, without any further action on the part of the Company
stockholders or the Board of Directors of the Company.

            Section 3.4 Governmental Filings; No Violations, Etc.

            (a) Except for the reports, registrations, consents, approvals,
permits, authorizations, notices and/or filings (i) pursuant to Section 1.3 of
this Agreement, (ii) under the Hart-Scott-Rodino Antitrust Improvement Act of
1976 (the "HSR Act"), the Securities Act, the Securities Exchange Act of 1934,
as amended (the "Exchange Act"), the EC Merger Regulation and the China
Anti-Monopoly Law, (iii) required to be made with the New York Stock Exchange
(the "NYSE"), (iv) for or pursuant to other applicable foreign securities Law
approvals, state securities, takeover and "blue sky" laws, (v) required to be
made with or to those foreign Governmental Entities (as defined below)
regulating competition and antitrust Laws, (vi) required to be made under any
Environmental Law and (vii) pursuant to the rules and regulations of the FDA and
similar foreign Governmental Entities, no notices, reports or other filings are
required to be made by the Company with, nor are any registrations, consents,
approvals, permits or authorizations required to be obtained by the Company
from, any governmental or regulatory authority, agency, commission, body or
other governmental entity ("Governmental Entity"), in connection with the
execution and delivery of this Agreement by the Company and the consummation by
the Company of the Merger and the other transactions contemplated by this
Agreement, except those that the failure to make or obtain would not reasonably
be expected to have, individually or in the aggregate, a Company Material
Adverse Effect.

            (b) None of the execution, delivery or performance of this Agreement
by the Company, the consummation by the Company of the Merger or any other
transaction contemplated by this Agreement, or the Company's compliance with any
of the provisions of this Agreement will (with or without notice or lapse of
time, or both): (i) subject to obtaining the Company Requisite Vote, conflict
with or violate any provision of the Company's certificate of incorporation or
bylaws or any equivalent organizational or governing documents of any of the
Company's Significant Subsidiaries; (ii) assuming that all consents, approvals,
authorizations and permits described in this Section 3.4 have been obtained and
all filings and notifications described in this Section 3.4 have been made and
any waiting periods thereunder have terminated or expired, conflict with or
violate any Law or Order applicable to the Company or any of its Subsidiaries or
any of their respective properties or assets; or (iii) require any consent or
approval under, violate, conflict with, result in any breach of or any loss of
any benefit under, or constitute a default under, or result in termination or
give to others any right of termination, vesting, amendment, acceleration or
cancellation of, or result in the creation of a Lien, other than Permitted
Liens, upon any of the respective properties or assets of the Company or any of
its Subsidiaries pursuant to, any Contract, permit or other instrument or
obligation to which the Company or any of its Subsidiaries is a party or by
which they or any of their respective properties or assets may be bound or
affected, except, with respect to clauses (ii) and (iii), for any such
conflicts, violations, consents, approvals, authorizations, permits, breaches,
losses, defaults, other occurrences or Liens which would not reasonably be
expected to have, individually or in the aggregate, a Company Material Adverse
Effect.

            Section 3.5 Company Reports; Financial Statements.

            (a) Since January 1, 2006, the Company has timely filed or otherwise
furnished (as applicable) all registration statements, prospectuses, forms,
reports, definitive proxy statements, schedules, statements and documents
required to be filed by it under the Securities Act or the Exchange Act, as the
case may be, together with all certifications required pursuant to the
Sarbanes-Oxley Act of 2002 (the "Sarbanes-Oxley Act") (such documents and any
other documents filed by the Company or any of its Subsidiaries with the SEC,
including exhibits and other information incorporated therein as they have been
supplemented, modified or amended since the time of filing, collectively, the
"Company SEC Documents"). As of their respective filing dates (or, if amended or
superseded by a filing prior to the date of this Agreement, then on the date of
such filing), the Company SEC Documents (i) did not 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 light of
the circumstances under which they were made, not misleading and (ii) complied
in all material respects with the applicable requirements of the Exchange Act or
the Securities Act, as the case may be, the Sarbanes-Oxley Act and the
applicable rules and regulations of the SEC thereunder. None of the Company's
Subsidiaries is required to make any filings with the SEC. All of the audited
consolidated financial statements and unaudited consolidated interim financial
statements of the Company included in the Company SEC Documents (together with
the related notes and schedules thereto, collectively, the "Company Financial
Statements") (A) have been prepared from, and are in accordance with, the books
and records of the Company and the Company's Subsidiaries in all material
respects, (B) have been prepared in accordance with GAAP applied on a consistent
basis during the periods involved (except as may be indicated in the notes
thereto or, in the case of interim financial statements, for normal and
recurring year-end adjustments) and (C) fairly present in all material respects
the consolidated financial position and the consolidated results of operations,
cash flows and changes in stockholders' equity of the Company and its
Subsidiaries as of the dates and for the periods referred to therein.

            (b) The Company is in compliance in all material respects with (i)
the applicable provisions of the Sarbanes-Oxley Act and (ii) the applicable
listing and corporate governance rules and regulations of the NYSE. Except as
permitted by the Exchange Act, including Sections 13(k)(2) and (3), since the
enactment of the Sarbanes-Oxley Act, neither the Company nor any of its
Affiliates has made, arranged, modified (in any material way), or forgiven
personal loans to any executive officer or director of the Company.

            (c) The Company's disclosure controls and procedures (as defined in
Rules 13a-15(e) and 15d-15(e) of the Exchange Act), as required by Rules
13a-15(a) and 15d-15(a) of the Exchange Act, are designed to ensure that all
information required to be disclosed by the Company in the reports it files or
submits under the Exchange Act is made known to the chief executive officer and
the chief financial officer of the Company by others within the Company to allow
timely decisions regarding required disclosure as required under the Exchange
Act and is recorded, processed, summarized and reported within the time periods
specified by the SEC's rules and forms. The Company has evaluated the
effectiveness of the Company's disclosure controls and procedures and, to the
extent required by applicable Law, presented in any applicable Company SEC
Document that is a report on Form 10-K or Form 10-Q, or any amendment thereto,
its conclusions about the effectiveness of the disclosure controls and
procedures as of the end of the period covered by such report or amendment based
on such evaluation. Based on its most recently completed evaluation of its
system of internal control over financial reporting prior to the date of this
Agreement, (i) to the Knowledge of the Company, the Company had no significant
deficiencies or material weaknesses in the design or operation of its internal
control over financial reporting that would reasonably be expected to adversely
affect the Company's ability to record, process, summarize and report financial
information and (ii) the Company does not have Knowledge of any fraud, whether
or not material, that involves management or other employees who have a
significant role in the Company's internal control over financial reporting.

            (d) No attorney representing the Company or any of its Subsidiaries,
whether or not employed by the Company or any Subsidiary of the Company, has
reported to the Company's chief legal counsel or chief executive officer
evidence of a material violation of securities Laws, breach of fiduciary duty or
similar violation by the Company or any of its officers, directors, employees or
agents pursuant to Section 307 of the Sarbanes-Oxley Act.

            (e) Since January 1, 2006, to the Knowledge of the Company, no
employee of the Company or any of its Subsidiaries has provided or is providing
information to any law enforcement agency or Governmental Entity regarding the
commission or possible commission of any crime or the violation or possible
violation of any applicable legal requirements of the type described in Section
806 of the Sarbanes-Oxley Act by the Company or any of its Subsidiaries.

            (f) To the Knowledge of the Company, none of the Company SEC
Documents (other than confidential treatment requests) is the subject of ongoing
SEC review. The Company has made available to Parent true and complete copies of
all written comment letters from the staff of the SEC received since January 1,
2006 through the date of this Agreement relating to the Company SEC Documents
and all written responses of the Company thereto through the date of this
Agreement other than with respect to requests for confidential treatment. As of
the date of this Agreement, there are no outstanding or unresolved comments in
comment letters received from the SEC staff with respect to any Company SEC
Documents other than confidential treatment requests. To the Knowledge of the
Company, as of the date of this Agreement, there are no SEC inquiries or
investigations, other governmental inquiries or investigations or internal
investigations pending or threatened, in each case regarding any accounting
practices of the Company.

            Section 3.6 Absence of Certain Changes. (a) Since September 30,
2008, the business of the Company and its Subsidiaries has been conducted in the
ordinary course in all material respects and (b) since December 31, 2007, there
has not been any event, occurrence, development or state of circumstances or
facts or condition that has had or would reasonably be expected to have,
individually or in the aggregate, a Company Material Adverse Effect.

            Section 3.7 Litigation.

            (a) There are no civil, criminal or administrative actions, suits,
claims, hearings, investigations or proceedings (collectively, "Actions")
pending or, to the Knowledge of the Company, threatened against the Company or
any of its Subsidiaries or any of their respective assets or properties that if
determined adversely to the Company would reasonably be expected to have,
individually or in the aggregate, a Company Material Adverse Effect.

            (b) Neither the Company nor any of its Subsidiaries or, to the
Knowledge of the Company, any of their respective assets or properties, is
subject to any outstanding Order, writ, injunction, decree or arbitration
ruling, award or other finding that would reasonably be expected to have,
individually or in the aggregate, a Company Material Adverse Effect.

            Section 3.8 Compliance with Laws. The Company and each of its
Subsidiaries are in compliance with all Laws or Orders, except where any such
failure to be in compliance has not had, or would not reasonably be expected to
have, individually or in the aggregate, a Company Material Adverse Effect. No
investigation or review by any Governmental Entity with respect to the Company
or any of its Subsidiaries is pending or, to the Knowledge of the Company,
threatened, nor has any Governmental Entity indicated an intention to conduct
the same which, in each case, would reasonably be expected to have a material
and adverse impact on the Company. To the Knowledge of the Company, the Company
is in material compliance with the Foreign Corrupt Practices Act of 1977, as
amended, and any rules and regulations thereunder.

            Section 3.9 Properties. Except as would not have, or would not
reasonably be expected to have, individually or in the aggregate, a Company
Material Adverse Effect, the Company or one of its Subsidiaries, as the case may
be, (i) holds good, marketable and valid fee simple title to all of the
properties and assets reflected in the September 30, 2008 balance sheet included
in the Company SEC Documents as being owned by the Company or one of its
Subsidiaries (collectively, with respect to real property, the "Owned Real
Property") or acquired after the date thereof that are material to the Company's
business on a consolidated basis (except for properties and assets sold or
otherwise disposed of since the date thereof in the ordinary course of
business), free and clear of all Liens, except for Permitted Liens and other
matters described in Section 3.9 of the Company Disclosure Letter, (ii) holds
the Owned Real Property, or any portion thereof or interest therein, free of any
outstanding options or rights of first refusal or offer to purchase or lease,
(iii) is the lessee of all leasehold estates reflected in the September 30, 2008
financial statements included in the Company SEC Documents or acquired after the
date thereof that are material to the Company's business on a consolidated basis
(except for leases that have expired by their terms since the date thereof or
been assigned, terminated or otherwise disposed of in the ordinary course of
business) (collectively, with respect to real property, the "Leased Real
Property") and (x) is in possession of the properties purported to be leased
thereunder, and each such lease is valid and in full force and effect,
constitutes a valid and binding obligation of the Company or the applicable
Subsidiary of the Company, subject to the Bankruptcy and Equity Exception and
(y) the Company has not received any written notice of termination or
cancellation of or of a breach or default under any such lease.

            Section 3.10 Contracts.

            (a) As of the date hereof, except as set forth as an exhibit to the
Company SEC Documents and on Section 3.10(a) of the Company Disclosure Letter,
neither the Company nor any of its Subsidiaries is a party to or bound by any:

            (i) Contract relating to third-party indebtedness for borrowed money
      or any third-party financial guaranty in excess of $500,000,000;

            (ii) non-competition agreements or any other agreements or
      arrangements that materially limit or otherwise materially restrict the
      Company or any of its Subsidiaries or any of their respective Affiliates
      or any successor thereto or that, to the Knowledge of the Company, would,
      after the Effective Time, limit or restrict Parent or any of its
      Subsidiaries (including the Surviving Corporation) or any successor
      thereto, in each case from engaging or competing in any line of business
      or in any geographic area or, in the case of the pharmaceutical business,
      any therapeutic area, class of drugs or mechanism of action, which
      agreement or arrangements would reasonably be expected to materially
      limit, materially restrict or materially conflict with the business of
      Parent and its Subsidiaries, taken as a whole (including for purposes of
      such determination, the Surviving Corporation and its Subsidiaries), after
      giving effect to the Merger; or

            (iii) Contract required to be filed as an exhibit to the Company's
      Annual Report on Form 10-K pursuant to Item 601(b)(10) of Regulation S-K
      under the Securities Act.

            (b) All Contracts of the type described in clauses (a)(i), (ii) and
(iii) above to which the Company or any of its Subsidiaries is a party to or
bound by as of the date of this Agreement, together with the Contracts set forth
on Section 3.10(b) of the Company Disclosure Letter, are referred to herein as
the "Company Material Contracts" (provided that for purposes of Section 5.1,
Contracts of the type referred to in clause (i) above shall not be deemed to be
Company Material Contracts). Except, in each case, as has not, and would not
reasonably be expected to have, individually or in the aggregate, a Company
Material Adverse Effect: (i) all Company Material Contracts are valid and
binding on the Company and/or the relevant Subsidiary of the Company that is a
party thereto and, to the Knowledge of the Company, each other party thereto,
subject to the Bankruptcy and Equity Exception, (ii) all Company Material
Contracts are in full force and effect, (iii) the Company and each of its
Subsidiaries has performed all material obligations required to be performed by
them under the Company Material Contracts to which they are parties, (iv) to the
Knowledge of the Company, each other party to a Company Material Contract has
performed all material obligations required to be performed by it under such
Company Material Contract and (v) no party to any Company Material Contract has
given the Company or any of its Subsidiaries written notice of its intention to
cancel, terminate, change the scope of rights under or fail to renew any Company
Material Contract and neither the Company nor any of its Subsidiaries, nor, to
the Knowledge of the Company, any other party to any Company Material Contract,
has repudiated in writing any material provision thereof. Neither the Company
nor any of its Subsidiaries has Knowledge of, or has received written notice of,
any violation or default under (or any condition which with the passage of time
or the giving of notice would cause such a violation of or default under or
permit termination, modification or acceleration under) any Company Material
Contract or any other Contract to which it is a party or by which it or any of
its material properties or assets is bound, except for violations or defaults
that are not, individually or in the aggregate, reasonably likely to result in a
Company Material Adverse Effect.

            Section 3.11 Employee Benefit Plans.

            (a) Section 3.11(a) of the Company Disclosure Letter, sets forth a
true, complete and correct list of each material "employee benefit plan" as
defined in Section 3(3) of the Employee Retirement Income Security Act of 1974,
as amended ("ERISA") (whether or not subject to ERISA), and any other material
plan, policy, program practice, agreement, understanding or arrangement (whether
written or oral) providing compensation or other benefits to any current or
former director, officer, employee or consultant (or to any dependent or
beneficiary thereof) of the Company or any ERISA Affiliate, which are now
maintained, sponsored or contributed to by the Company or any ERISA Affiliate,
or under which the Company or any ERISA Affiliate has any material obligation or
liability, whether actual or contingent, including all incentive, bonus,
deferred compensation, vacation, holiday, cafeteria, medical, disability, stock
purchase, stock option, stock appreciation, phantom stock, restricted stock,
restricted stock unit, stock-based compensation, change-in-control, retention,
employment, consulting, personnel or severance policies, programs, practices,
Contracts or arrangements (each, a "Company Benefit Plan"), excluding Foreign
Benefit Plans. For purposes of this Agreement, the term "Foreign Benefit Plans"
shall mean those Company Benefit Plans maintained, sponsored or contributed to
primarily for the benefit of current or former employees of the Company or any
ERISA Affiliate who are or were regularly employed outside the United States
(but which shall exclude any such Company Benefit Plans to the extent required
by applicable foreign law to be so maintained, sponsored or contributed to). Not
more than twenty (20) Business Days after the date hereof, the Company shall
deliver a true, complete and correct list of each material Foreign Benefit Plan
to Parent. For purposes of this Section 3.11, "ERISA Affiliate" shall mean any
entity (whether or not incorporated) that, together with any other entity, is
considered under common control and treated as one employer under Sections
414(b) or (c) of the Code. The Company has no express or implied commitment to
terminate or modify or change any Company Benefit Plan in the United States,
other than with respect to a termination, modification or change required by
ERISA or the Code or which would not, individually or in the aggregate,
reasonably be expected to have a Company Material Adverse Effect.

            (b) With respect to each Company Benefit Plan (other than any
Foreign Benefit Plan), the Company has made available to Parent (or, with
respect to items (iv), (v), (vi) and (vii), will provide to Parent not more than
twenty (20) Business Days after the date hereof) true, complete and correct
copies of the following (as applicable): (i) the written document evidencing
such Company Benefit Plan or, with respect to any such plan that is not in
writing, a written description of the material terms thereof; (ii) the summary
plan description; (iii) the most recent annual report, financial statement
and/or actuarial report; (iv) the most recent determination letter from the
Internal Revenue Service (the "IRS" ); (v) the most recent Form 5500 required to
have been filed with the IRS, including all schedules thereto; (vi) any related
trust agreements, insurance contracts or other funding arrangements; (vii) any
notices to or from the IRS or any office or representative of the Department of
Labor or Pension Benefit Guaranty Corporation ("PBGC") relating to any
unresolved compliance issues in respect of any such Company Benefit Plan; and
(viii) all material amendments, modifications or supplements to any Company
Benefit Plan. With respect to each Foreign Benefit Plan, the Company will
provide to Parent not more than twenty (20) Business Days after the date hereof
the items identified in each of clauses (i), (vi) and (viii) above.

            (c) Except as would not, individually or in the aggregate,
reasonably be expected to have a Company Material Adverse Effect, each Company
Benefit Plan has been administered in accordance with its terms, applicable Law
(including Section 409A of the Code) and any applicable collective bargaining
agreement including timely filing of all Tax, annual reporting and other
governmental filings required by ERISA and the Code and timely contribution (or,
if not yet due, proper financial reporting) of any amounts required to be made
under the terms of any of the Company Benefit Plans as of the date of this
Agreement. With respect to each of the Company Benefit Plans, no event has
occurred and there exists no condition or set of circumstances in connection
with which the Company or any of its Subsidiaries would be subject to any
liability that, individually or in the aggregate, would reasonably be expected
to have a Company Material Adverse Effect. Each Company Benefit Plan that is
intended to be "qualified" under Section 401 of the Code has received a
favorable determination letter from the IRS to such effect and, to the Knowledge
of the Company, no fact, circumstance or event has occurred or exists since the
date of such determination letter that would reasonably be expected to adversely
affect the qualified status of any such Company Benefit Plan. Except as would
not, individually or in the aggregate, reasonably be expected to have a Company
Material Adverse Effect, none of the Company or any of its Subsidiaries has
received notice of and, to the Knowledge of the Company, there are no audits or
investigations by any Governmental Entity with respect to, or other actions,
claims, suits or other proceedings against or involving any Company Benefit Plan
or asserting rights or claims to benefits under any Company Benefit Plan (other
than routine claims for benefits payable in the normal course). Other than as
set forth on Section 3.11(c) of the Company Disclosure Letter, each Company
Benefit Plan subject to ERISA that provides retiree healthcare or life insurance
benefits in the United States provides by its terms that it may be amended or
terminated without material liability to the Company or any of its Subsidiaries
at any time after the Effective Time (other than as required by applicable Law).

            (d) No Company Benefit Plan is a "multiemployer plan" (as defined in
Sections 3(37) and 4001(a)(3) of ERISA) or a "multiple employer plan" within the
meaning of Sections 4063/4064 of ERISA or Section 413(c) of the Code and neither
the Company nor any ERISA Affiliate has sponsored or contributed to or been
required to contribute to a "multiemployer plan" or "multiple employer plan."

            (e) Except as set forth on Section 3.11(e) of the Company Disclosure
Letter, neither the Company nor any ERISA Affiliate maintains or contributes to,
or during the six-year period prior to the date hereof has maintained or
contributed to, any "employee benefit plan" within the meaning of Section 3(3)
of ERISA that is subject to Section 412 of the Code or Section 302 or Title IV
of ERISA. Except as would not have, individually or in the aggregate, a Company
Material Adverse Effect, with respect to each plan set forth on Schedule 3.11(e)
of the Company Disclosure Letter that is subject to Section 412 of the Code or
Section 302 of Title IV of ERISA: (i) there does not exist any accumulated
funding deficiency within the meaning of Section 412 of the Code or Section 302
of ERISA, whether or not waived; (ii) there has been no "reportable event"
within the meaning of Section 4043 of ERISA and the regulations thereunder which
required a notice to the PBGC which has not been fully and accurately reported
in a timely fashion, as required, or which, whether or not reported, would
constitute grounds for the PBGC to institute involuntary termination proceedings
with respect to any Company Benefit Plan that is subject to Title IV of ERISA;
(iii) all premiums to the PBGC have been timely paid in full; (iv) there has not
been a partial termination; and (v) none of the following events has occurred:
(A) the filing of a notice of intent to terminate, (B) the treatment of an
amendment to such a Company Benefit Plan as a termination under Section 4041 of
ERISA or (C) the commencement of proceedings by the PBGC to terminate such a
Company Benefit Plan and, to the Knowledge of the Company, no condition exists
that presents a substantial risk that such proceedings will be instituted or
which would constitute grounds under Section 4042 of ERISA for the termination
of, or the appointment of a trustee to administer, any such plan.

            (f) Except as set forth on Section 3.11(f) of the Company Disclosure
Letter, the execution of this Agreement or the consummation of the Merger will
not constitute an event that, either alone or in conjunction with any other
event, will or may result in (i) any payment, acceleration, termination,
forgiveness of indebtedness, vesting, distribution, increase in compensation or
benefits or obligation to fund benefits with respect to any current or former
employee or other personnel of the Company or any of its Subsidiaries, (ii) any
amount failing to be deductible by reason of Section 280G of the Code or (iii)
the provision of any reimbursement of excise Taxes under Section 4999 of the
Code or any income Taxes under the Code.

            (g) Except as would not have, individually or in the aggregate, a
Company Material Adverse Effect, (i) each Foreign Benefit Plan has been
established, maintained and administered in compliance with its terms and all
applicable Laws and Orders of any controlling Governmental Entity; (ii) each
Foreign Benefit Plan required to be registered has been registered and has been
maintained in good standing with applicable regulatory authorities; and (iii)
each Foreign Benefit Plan required to be funded and/or book reserved is funded
and/or book reserved, as appropriate, in accordance with applicable Law.

            Section 3.12 Labor Matters. Each of the Company and its Subsidiaries
is in compliance with all applicable Laws of the United States, or of any state
or local government or any subdivision thereof or of any foreign government
respecting employment and employment practices, terms and conditions of
employment, wages and hours and occupational safety and health, including the
Immigration Reform and Control Act, the Worker Adjustment Retraining and
Notification Act, any Laws respecting employment discrimination, sexual
harassment, disability rights or benefits, equal opportunity, plant closure
issues, affirmative action, workers' compensation, employee benefits, severance
payments, COBRA, labor relations, employee leave issues, wage and hour
standards, occupational safety and health requirements and unemployment
insurance and related matters, except where any such failure to be in compliance
has not had, or would not reasonably be expected to have, individually or in the
aggregate, a Company Material Adverse Effect. Except as specifically identified
on Section 3.12 of the Company Disclosure Letter, neither the Company nor any of
its Subsidiaries is a party to or bound by any labor or collective bargaining
agreement (other than any industry-wide or statutorily mandated agreement or
non-material agreement in a non-U.S. jurisdiction). There is no unfair labor
practice charge pending or, to the Knowledge of the Company, threatened which if
determined adversely to the Company or its Subsidiaries would reasonably be
expected to have a Company Material Adverse Effect. Except as would not,
individually or in the aggregate, reasonably be expected to have a Company
Material Adverse Effect, (i) to the Knowledge of the Company, there are no
organizational campaigns, petitions or other activities or proceedings of any
labor union, workers' council or labor organization seeking recognition of a
collective bargaining unit with respect to, or otherwise attempting to
represent, any of the employees of the Company or any of its Subsidiaries or
compel the Company or any of its Subsidiaries to bargain with any such labor
union, works council or labor organization, (ii) there are no strikes,
slowdowns, walkouts, work stoppages or other labor-related controversies pending
or, to the Knowledge of the Company, threatened and (iii) neither the Company
nor any of its Subsidiaries has experienced any such strike, slowdown, walkout,
work stoppage or other labor-related controversy within the past three (3)
years.

            Section 3.13 Tax.

            (a) Except to the extent reserved for in the most recent Company
Financial Statements, the Company and each of its Subsidiaries have timely
filed, or have caused to be timely filed, all material Tax Returns required to
be filed, all such Tax Returns are true, complete and accurate in all material
respects, and all material amounts of Taxes shown to be due on such Tax Returns,
or otherwise owed, have been or will be timely paid.

            (b) Except as would not have and would not reasonably be expected to
have, individually or in the aggregate, a Company Material Adverse Effect, (i)
no Tax authority has asserted, or threatened in writing to assert, a Tax
liability (exclusive of interest) in excess of $25 million in connection with an
audit or other administrative or court proceeding involving Taxes of the Company
or any of its Subsidiaries, (ii) neither the Company nor any of its Subsidiaries
has distributed stock of another corporation or has had its stock distributed in
a transaction that was purported or intended to be governed, in whole or in
part, by Section 355 or Section 361 of the Code within the preceding five (5)
years, (iii) neither the Company nor any of its Subsidiaries has participated,
or is currently participating, in a "listed transaction" as defined in Treasury
Regulations Section 1.6011-4(b), and (iv) neither the Company nor any of its
Subsidiaries is a party to any agreement or arrangement relating to the
apportionment, sharing, assignment or allocation of Taxes (other than an
agreement or arrangement solely among the members of a group the common parent
of which is the Company or any of its Subsidiaries), or has any liability for
Taxes of any Person (other than the Company or any of its Subsidiaries) under
Treasury Regulations Section 1.1502-6 or any similar provision of state, local
or foreign Law, as a transferee or successor, by contract or otherwise.

             Section 3.14 Intellectual Property.

            (a) Except as, in the aggregate, would not reasonably be expected to
have a Company Material Adverse Effect, (i) to the Company's Knowledge, the
Company and each of its Subsidiaries owns, or is licensed to use (in each case,
free and clear of any Liens), all Intellectual Property used in or necessary for
the conduct of its business as currently conducted; (ii) to the Company's
Knowledge, the use of any Intellectual Property by the Company and its
Subsidiaries does not infringe on or otherwise violate the rights of any Person
and is in accordance with any applicable license pursuant to which the Company
or any Subsidiary acquired the right to use any Intellectual Property; (iii) to
the Company's Knowledge, no Person is challenging, infringing on or otherwise
violating any right of the Company or any of its Subsidiaries with respect to
any Intellectual Property owned by and/or licensed to the Company or its
Subsidiaries; and (iv) to the Company's Knowledge, neither the Company nor any
of its Subsidiaries has received any written notice or otherwise has Knowledge
of any pending claim, order or proceeding with respect to any Intellectual
Property used by the Company and its Subsidiaries and to its Knowledge no
Intellectual Property owned and/or licensed by the Company or its Subsidiaries
is being used or enforced in a manner that would reasonably be expected to
result in the abandonment, cancellation or unenforceability of such Intellectual
Property. For purposes of this Agreement, "Intellectual Property" shall mean
trademarks, service marks, brand names, certification marks, trade dress and
other indications of origin, the goodwill associated with the foregoing and
registrations in any domestic or foreign jurisdiction of, and applications in
any such jurisdiction to register, the foregoing, including any extension,
modification or renewal of any such registration or application; inventions,
discoveries and ideas, whether patentable or not, in any domestic or foreign
jurisdiction; patents, applications for patents (including, without limitation,
divisions, continuations, continuations in part and renewal applications), and
any renewals, extensions or reissues thereof, in any such jurisdiction;
nonpublic information, trade secrets and confidential information and rights in
any domestic or foreign jurisdiction to limit the use or disclosure thereof by
any person; writings and other works, whether copyrightable or not, in any such
jurisdiction; and registrations or applications for registration of copyrights
in any domestic or foreign jurisdiction, and any renewals or extensions thereof;
and any similar intellectual property or proprietary rights.

            (b) The Company and its Subsidiaries have taken reasonable steps to
protect the confidentiality and value of all trade secrets and any other
confidential information that are owned, used or held by the Company and its
Subsidiaries in confidence, including entering into licenses and Contracts that
require employees, licensees, contractors, and other Persons with access to
trade secrets or other confidential information to safeguard and maintain the
secrecy and confidentiality of such trade secrets. To the Company's Knowledge,
such trade secrets have not been used, disclosed to or discovered by any Person
except pursuant to valid and appropriate non-disclosure, license or any other
appropriate Contract which has not been breached.

            Section 3.15 Environmental Matters.__

            (a) The Company and its Subsidiaries are in compliance with all
applicable Environmental Laws, and to the Company's Knowledge any past
non-compliance by the Company and its Subsidiaries with applicable Environmental
Laws has been resolved, except for any failure to comply or to resolve past
non-compliance that would not reasonably be expected to have, individually or in
the aggregate, a Company Material Adverse Effect.

            (b) Except as would not reasonably be expected to have, individually
or in the aggregate, a Company Material Adverse Effect: (i) each of the Company
and its Subsidiaries has obtained, maintained and complied with all
Environmental Permits necessary for the conduct and operation of its business as
currently operated, and the Company or any applicable Subsidiary of the Company
has not received any notice that any such Environmental Permit is not in full
force and effect; and (ii) no such Environmental Permit is or will be subject to
review, revision, major modification or prior consent by any Governmental
Authority as a result of the consummation of the transactions contemplated by
this Agreement.

            (c) None of the Company or any of its Subsidiaries has received any
notice of any violation of or liability under Environmental Laws, which would
reasonably be expected to have, individually or in the aggregate, a Company
Material Adverse Effect.

            (d) There are no pending or, to the Company's Knowledge, threatened
civil, criminal or administrative claims, actions, proceedings, hearings,
notices of violation, investigations, arbitrations or demand letters pursuant to
Environmental Laws or with respect to Hazardous Materials against the Company or
any of its Subsidiaries or, to the Company's Knowledge, related to the Owned
Real Property, the Leased Real Property or any other facility previously owned
or operated by the Company or any of its Subsidiaries which would reasonably be
expected to have, individually or in the aggregate, a Company Material Adverse
Effect.

            (e) To the Company's Knowledge, there has been no presence of
storage tanks at or presence or release of any Hazardous Materials on, at, or
from the Owned Real Property or the Leased Real Property or any other facility
operated by the Company or any of its Subsidiaries, except (i) in compliance
with applicable Environmental Laws and (ii) in a manner or in quantities or
locations that would not require any investigation, cleanup or remediation of
soil or groundwater under applicable Environmental Laws, other than any presence
or release which would not reasonably be expected to have, individually or in
the aggregate, a Company Material Adverse Effect; and neither the Company nor
any of its Subsidiaries has received notice with respect to such presence or
release.

             (f) Neither (i) the Company nor any Subsidiary, (ii) any
predecessors of the Company or any Subsidiary nor (iii) any entity previously
owned by the Company or any Subsidiary, has transported or arranged for the
treatment, storage, handling, disposal or transportation of any Hazardous
Material at or to any off-site location which, to the Company's Knowledge, has
resulted in, or would be reasonably expected to result in, a liability to the
Company that has had, or would reasonably be expected to have, individually or
in the aggregate, a Company Material Adverse Effect.

            (g) There are no Liens or institutional or engineering controls
applicable to any Owned Real Property or, to the Company's Knowledge, Leased
Real Property arising out of or pursuant to Environmental Laws that have had, or
would reasonably be expected to have, individually or in the aggregate, a
Company Material Adverse Effect.

            (h) To the Company's Knowledge, there are no other facts,
activities, circumstances or conditions that have resulted in or would be
reasonably expected to result in, the Company incurring a liability or
obligation, pursuant to any applicable Environmental Laws that has had, or would
reasonably be expected to have, individually or in the aggregate, a Company
Material Adverse Effect.

            Section 3.16 Insurance. Except as has not had, and would not
reasonably be expected to have, individually or in the aggregate, a Company
Material Adverse Effect, (i) each insurance policy under which the Company or
any of its Subsidiaries is an insured or otherwise the principal beneficiary of
coverage (collectively, the "Insurance Policies") is in full force and effect,
all premiums due thereon have been paid in full and the Company and its
Subsidiaries are in compliance with the terms and conditions of such Insurance
Policy, except as has not had, and would not reasonably be expected to have,
individually or in the aggregate, a Company Material Adverse Effect, (ii)
neither the Company nor any of its Subsidiaries is in breach or default under
any Insurance Policy, and (iii) no event has occurred which, with notice or
lapse of time, would constitute such breach or default, or permit termination or
modification, under the policy.

            Section 3.17 Regulatory Compliance.

            (a) Except as has not had, and would not reasonably be expected to
have, individually or in the aggregate, a Company Material Adverse Effect, each
of the Company and its Significant Subsidiaries holds all licenses, permits,
franchises, variances, registrations, exemptions, Orders and other governmental
authorizations, consents, approvals and clearances, and has submitted notices
to, all Governmental Entities, including all authorizations under the Federal
Food, Drug and Cosmetic Act of 1938, as amended (the "FDCA"), the Public Health
Service Act of 1944, as amended (the "PHSA"), and the regulations of the United
States Food and Drug Administration (the "FDA") promulgated thereunder, and any
other Governmental Entity that is concerned with the quality, identity,
strength, purity, safety, efficacy or manufacturing of the Company Products (any
such Governmental Entity, a "Company Regulatory Agency") necessary for the
lawful operating of the businesses of the Company or any of its Subsidiaries
(the "Company Permits"), and all such Company Permits are valid, and in full
force and effect. Since January 1, 2006, there has not occurred any violation
of, default (with or without notice or lapse of time or both) under, or event
giving to others any right of termination, amendment or cancellation of, with or
without notice or lapse of time or both, any Company Permit except as has not
had, and would not reasonably be expected to have, individually or in the
aggregate, a Company Material Adverse Effect. The Company and each of its
Subsidiaries are in compliance in all material respects with the terms of all
Company Permits, and no event has occurred that, to the Knowledge of the
Company, would reasonably be expected to result in the revocation, cancellation,
non-renewal or adverse modification of any Company Permit, except as has not
had, and would not reasonably be expected to have, individually or in the
aggregate, a Company Material Adverse Effect.

            (b) Except as would not reasonably be expected to have, individually
or in the aggregate, a Company Material Adverse Effect, since January 1, 2006,
all applications, submissions, information and data utilized by the Company or
the Company's Subsidiaries as the basis for, or submitted by or, to the
Knowledge of the Company, on behalf of the Company or the Company's Subsidiaries
in connection with, any and all requests for a Company Permit relating to the
Company or any of its Subsidiaries, and its respective business and Company
Products, when submitted to the FDA or other Company Regulatory Agency, were
true and correct in all material respects as of the date of submission, and any
updates, changes, corrections or modification to such applications, submissions,
information and data required under applicable Laws have been submitted to the
FDA or other Company Regulatory Agency.

            (c) Since January 1, 2006, neither the Company, nor any of its
Subsidiaries, has committed any act, made any statement or failed to make any
statement that would reasonably be expected to provide a basis for the FDA or
any other Company Regulatory Agency to invoke its policy with respect to "Fraud,
Untrue Statements of Material Facts, Bribery, and Illegal Gratuities", or
similar policies, set forth in any applicable Laws, except as has not had, and
would not reasonably be expected to have, individually or in the aggregate, a
Company Material Adverse Effect.

            (d) For the avoidance of doubt, the provisions of this Section 3.17
do not apply to Environmental Laws or Environmental Permits.

            Section 3.18 Interested Party Transactions. Since January 1, 2006,
there have been no transactions, agreements, arrangements or understandings
between the Company or any of its Subsidiaries on the one hand, and the
Affiliates of the Company on the other hand (other than the Company's
Subsidiaries), that would be required to be disclosed under Item 404 under
Regulation S-K under the Exchange Act and that has not been so disclosed.

            Section 3.19 Brokers and Finders.   Neither the Company nor any of
its Subsidiaries has employed any broker or finder or incurred any liability for
any brokerage fees, commissions or finders fees in connection with the Merger or
the other transactions contemplated by this Agreement, except that the Company
has employed Morgan Stanley & Co. Incorporated and Evercore Group L.L.C. as its
financial advisors (the "Company Financial Advisors"), and the Company has
heretofore made available to Parent a true and complete copy of all agreements
between the Company and the Company Financial Advisors pursuant to which such
firm would be entitled to any payment relating to the Merger and the other
transactions contemplated by this Agreement.

            Section 3.20 No Additional Representations.

            (a) Except for the representations and warranties made by the
Company in this Article III, neither the Company nor any other Person makes any
express or implied representation or warranty with respect to the Company or its
Subsidiaries or their respective businesses, operations, assets, liabilities,
conditions (financial or otherwise) or prospects, and the Company hereby
disclaims any such other representations or warranties. In particular, without
limiting the foregoing disclaimer, neither the Company nor any other Person
makes or has made any representation or warranty to Parent, Merger Sub, or any
of their Affiliates or Representatives with respect to (i) any financial
projection, forecast, estimate, budget or prospect information relating to the
Company, any of its Subsidiaries or their respective businesses, or (ii) except
for the representations and warranties made by the Company in this Article III,
any oral or written information presented to Parent, Merger Sub or any of their
Affiliates or Representatives in the course of their due diligence investigation
of the Company, the negotiation of this Agreement or in the course of the
transactions contemplated hereby.

            (b) The Company acknowledges and agrees that it (i) has had the
opportunity to meet with the management of Parent and to discuss the business,
assets and liabilities of Parent and its Subsidiaries, (ii) has been afforded
the opportunity to ask questions of and receive answers from officers of Parent
and (iii) has conducted its own independent investigation of Parent and its
Subsidiaries, their respective businesses, assets, liabilities and the
transactions contemplated by this Agreement.

            (c) Notwithstanding anything contained in this Agreement to the
contrary, the Company acknowledges and agrees that none of Parent, Merger Sub or
any other Person has made or is making any representations or warranties
relating to Parent or Merger Sub whatsoever, express or implied, beyond those
expressly given by Parent and Merger Sub in Article IV hereof, including any
implied representation or warranty as to the accuracy or completeness of any
information regarding Parent furnished or made available the Company, or any of
its Representatives. Without limiting the generality of the foregoing, the
Company acknowledges that no representations or warranties are made with respect
to any projections, forecasts, estimates, budgets or prospect information that
may have been made available to the Company or any of its Representatives.

                                   ARTICLE IV

             REPRESENTATIONS AND WARRANTIES OF PARENT AND MERGER SUB

      Except (i) as disclosed in the Parent SEC Documents filed since January 1,
2008 but prior to the date hereof (but excluding any risk factor disclosures
contained under the heading "Risk Factors," any disclosure of risks included in
any "forward-looking statements" disclaimer or any other statements that are
similarly non-specific or predictive or forward-looking in nature, in each case,
other than any specific factual information contained therein) or (ii) as set
forth in the Parent Disclosure Letter delivered by Parent to the Company prior
to the execution of this Agreement (the "Parent Disclosure Letter"), which
identifies items of disclosure by reference to a particular section or
subsection of this Agreement (provided, however, that any information set forth
in one section of such Parent Disclosure Letter also shall be deemed to apply to
each other section and subsection of this Agreement to which its relevance is
reasonably apparent), each of Parent and Merger Sub hereby represents and
warrants to the Company as follows:

            Section 4.1 Organization, Good Standing and Qualification. Each of
Parent and Merger Sub and Parent's Significant Subsidiaries is a corporation
duly organized, validly existing and in good standing (with respect to
jurisdictions that recognize the concept of good standing) under the Laws of its
respective jurisdiction of organization and has all requisite corporate or
similar power and authority to own, lease and operate its properties and assets
and to carry on its business as presently conducted, except with respect to
Parent's Subsidiaries, where the failure to be so organized, qualified or in
good standing or to have such power or authority when taken together with all
other such failures, has not, and would not reasonably be expected to have,
individually or in the aggregate, a Parent Material Adverse Effect. Each of
Parent and its Significant Subsidiaries is duly qualified or licensed to do
business and is in good standing (with respect to jurisdictions that recognize
the concept of good standing) as a foreign corporation in each jurisdiction
where the ownership, leasing or operation of its assets or properties or conduct
of its business requires such qualification, except where the failure to be so
organized, qualified or in good standing or to have such power or authority when
taken together with all other such failures, has not, and would not reasonably
be expected to have, individually or in the aggregate, a Parent Material Adverse
Effect.

            Section 4.2 Capital Structure.

            (a) As of January 23, 2009, the authorized capital stock of Parent
consisted of (i) 12,000,000,000 shares of Parent Common Stock of which
7,357,577,519 shares were outstanding and 1,504,695,838 shares were held in the
treasury of Parent and (ii) 27,000,000 shares of Preferred Stock, no par value,
of which 1,805 shares were outstanding and no shares were held in the treasury
of Parent. There are no other classes of capital stock of Parent authorized or
outstanding. All issued and outstanding shares of the capital stock of Parent
are, and when shares of Parent Common Stock and Parent Convertible Preferred
Stock are issued in connection with the Merger or pursuant to Section 1.8 and
Section 1.9, such shares will be, duly authorized, validly issued, fully paid
and non-assessable and free of any preemptive rights.

            (b) Since January 23, 2009 to the date of this Agreement, there have
been no issuances of shares of the capital stock or equity securities of Parent
or any other securities of Parent other than issuances of shares of Parent
Common Stock pursuant to employee benefit, director or equity compensation
plans, programs or arrangements sponsored or maintained by Parent or any of its
Subsidiaries (the "Parent Benefit Plans"). There were outstanding as of December
31, 2008 no options, warrants, calls, commitments, agreements, arrangements,
undertakings or any other rights to acquire capital stock from Parent other than
options, restricted stock and other rights to acquire capital stock from Parent
representing in the aggregate the right to purchase approximately 476,000,000
shares of Parent Common Stock under the Parent Benefit Plans. No options,
warrants, calls, commitments, agreements, arrangements, undertakings or other
rights to acquire capital stock from Parent have been issued or granted since
December 31, 2008 to the date of this Agreement other than pursuant to the
Parent Benefit Plans or the ordinary course of business in connection with
employment offer letters.

            (c) No bonds, debentures, notes or other indebtedness of Parent
having the right to vote (or convertible into or exercisable for securities
having the right to vote) on any matters on which holders of capital stock of
Parent may vote are issued or outstanding.

            (d) Except as otherwise set forth in this Section 4.2, as of the
date of this Agreement, (i) there are no outstanding obligations of Parent or
any of its Subsidiaries to repurchase, redeem or otherwise acquire any shares of
capital stock of Parent or any of its Subsidiaries except for purchases,
redemptions or other acquisitions of capital stock or other securities (1)
required by the terms of the Parent Benefit Plans, (2) in order to pay Taxes or
satisfy withholding obligations in respect of such Taxes in connection with the
exercise of Parent stock options, the lapse of restrictions or settlement of
awards granted pursuant to the Parent Benefit Plans, or (3) required by the
terms of any plans, arrangements or agreements existing on the date hereof
between the Parent or any of its Subsidiaries and any director or employee of
the Parent or any of its Subsidiaries and (ii) there are no outstanding
stock-appreciation rights, security-based performance units, "phantom" stock or
other security rights or other agreements, arrangements or commitments of any
character (contingent or otherwise) pursuant to which any Person is or may be
entitled to receive any payment or other value based on the stock price
performance of Parent or any of its Subsidiaries (other than ordinary course
payments or commissions to sales representatives of Parent based upon revenues
generated by them without augmentation as a result of the transactions
contemplated hereby and with respect to awards granted under the Parent Benefit
Plans).

            (e) Except as set forth in Section 4.2(e) of the Parent Disclosure
Letter and with respect to awards granted under the Parent Benefit Plans, as of
the date of this Agreement, there are no outstanding obligations of Parent or
any of its Subsidiaries (i) restricting the transfer of, (ii) affecting the
voting rights of, (iii) requiring the sales, issuance, repurchase, redemption or
disposition of, or containing any right of first refusal with respect to, (iv)
requiring the registration for sale of or (v) granting any preemptive or
antidilutive rights with respect to, any shares of Parent Common Stock or other
Equity Interests in Parent or any of its Subsidiaries.

            (f) The authorized capital stock of Merger Sub consists of 1,000
shares of common stock, par value $0.01 per share, all of which are validly
issued and outstanding. All of the issued and outstanding capital stock of
Merger Sub is, and at the Effective Time will be, owned by Parent, and there are
(i) no other shares of capital stock or voting securities of Merger Sub, (ii) no
securities of Merger Sub convertible into or exchangeable for shares of capital
stock or voting securities of Merger Sub and (iii) no options or other rights to
acquire from Merger Sub, and no obligations of Merger Sub to issue, any capital
stock, voting securities or securities convertible into or exchangeable for
capital stock or voting securities of Merger Sub.

            Section 4.3 Corporate Authority. Each of Parent and Merger Sub has
all requisite corporate power and authority and, except for the adoption of this
Agreement by Parent as the sole stockholder of Merger Sub (which adoption Parent
shall effect on the date hereof immediately following the execution hereof), has
taken all corporate action necessary in order to execute, deliver and perform
its obligations under this Agreement and to consummate the transactions
contemplated hereby. This Agreement has been duly authorized and validly
executed and delivered by Parent and Merger Sub, except for the adoption of this
Agreement by Parent as the sole stockholder of Merger Sub, and, assuming due
authorization, execution and delivery by the Company, constitutes a legal, valid
and binding obligation of Parent enforceable against the Company in accordance
with its terms, subject to the Bankruptcy and Equity Exception.

            Section 4.4 Governmental Filings; No Violations; Etc.

            (a) Except for the reports, registrations, consents, approvals,
permits, authorizations, notices and/or filings (i) pursuant to Section 1.3 of
this Agreement, (ii) under the HSR Act, the Securities Act, the Exchange Act,
the EC Merger Regulation and the China Anti-Monopoly Law, (iii) required to be
made with the NYSE, (iv) for or pursuant to other applicable foreign securities
Law approvals, state securities, takeover and "blue sky" laws, (v) required to
be made with or to those foreign Governmental Entities regulating competition
and antitrust Laws, (vi) required to be made under any Environmental Law and
(vii) pursuant to the rules and regulations of the FDA and similar foreign
Governmental Entities, no notices, reports or other filings are required to be
made by Parent or Merger Sub with, nor are any registrations, consents,
approvals, permits or authorizations required to be obtained by Parent or Merger
Sub from, any Governmental Entity, in connection with the execution and delivery
of this Agreement by Parent or Merger Sub and the consummation by Parent and
Merger Sub of the Merger and the other transactions contemplated by this
Agreement, except those that the failure to make or obtain would not reasonably
be expected to have, individually or in the aggregate, a Parent Material Adverse
Effect.

            (b) None of the execution, delivery or performance of this Agreement
by Parent or Merger Sub, the consummation by the Company and Merger Sub of the
Merger or any other transaction contemplated by this Agreement, or Parent's or
Merger Sub's compliance with any of the provisions of this Agreement will (with
or without notice or lapse of time, or both): (i) conflict with or violate any
provision of Parent's or Merger Sub's certificate of incorporation or bylaws or
any equivalent organizational or governing documents of any of Parent's or
Merger Sub's Subsidiaries; (ii) assuming that all consents, approvals,
authorizations and permits described in this Section 4.4 have been obtained and
all filings and notifications described in this Section 4.4 have been made and
any waiting periods thereunder have terminated or expired, conflict with or
violate any Law or Order applicable to Parent, Merger Sub, or their
Subsidiaries, or any of their respective properties or assets; or (iii) require
any consent or approval under, violate, conflict with, result in any breach of
or any loss of benefit under, or constitute a default under, or result in
termination or give to others any right of termination, vesting, amendment,
acceleration or cancellation of, or result in the creation of a Lien, other than
Permitted Liens, upon any of the respective properties or assets of Parent or
any of its Significant Subsidiaries pursuant to, any Contract, permit or other
instrument or obligation to which Parent, Merger Sub or any of their
Subsidiaries is a party or by which they or any of their respective properties
or assets may be bound or affected, except, with respect to clauses (ii) and
(iii), for any such conflicts, violations, consents, approvals, authorizations,
permits, breaches, defaults, losses, other occurrences or Liens which would not
reasonably be expected to have, individually or in the aggregate, a Parent
Material Adverse Effect.

            Section 4.5 Parent Reports; Financial Statements.

            (a) Since January 1, 2006, each of Parent and Merger Sub has timely
filed or otherwise furnished (as applicable) all registration statements,
prospectuses, forms, reports, definitive proxy statements, schedules, statements
and documents required to be filed by it under the Securities Act or the
Exchange Act, as the case may be, together with all certifications required
pursuant to the Sarbanes-Oxley Act (such documents and any other documents filed
by Parent or any of its Subsidiaries with the SEC, including exhibits and other
information incorporated therein, as they have been supplemented, modified or
amended since the time of filing, collectively, the "Parent SEC Documents"). As
of their respective filing dates (or, if amended or superseded by a filing prior
to the date of this Agreement, then on the date of such filing), the Parent SEC
Documents (i) did not 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 light of the circumstances under which they
were made, not misleading and (ii) complied in all material respects with the
applicable requirements of the Exchange Act or the Securities Act, as the case
may be, the Sarbanes-Oxley  


 
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