Document:

Wyeth 2005 Stock Incentive Plan, as amended through November 16, 2006

 Exhibit 10.50 
 WYETH 
 2005 STOCK INCENTIVE PLAN 
 (As approved by stockholders at the 2005 Annual Meeting and as amended by the Board of Directors through November 16, 2006) 
 Section 1. Purpose. The purpose of the 2005 Stock Incentive Plan (the “Plan”) is to provide favorable opportunities for officers
and other key employees (“Participants”) of Wyeth (the “Company”) and its subsidiaries to acquire shares of Common Stock of the Company and to benefit from the appreciation thereof. Such opportunities should provide
an increased incentive for Participants to contribute to the future success and prosperity of the Company, thus enhancing the value of the stock for the benefit of the stockholders, and increase the ability of the Company to attract and retain
individuals of exceptional skill upon whom, in large measure, its sustained progress, growth and profitability depend. 
 Pursuant to the
Plan, options to purchase the Company’s Common Stock (“Options”) and Restricted Stock (as defined in Section 6) may be granted to Participants by the Company. Options granted under the Plan may be either incentive stock
options, as defined in Section 422(b) of the Internal Revenue Code of 1986, as amended (the “Code”), herein referred to as “incentive stock options,” or options which do not meet the requirements of
Section 422(b) of the Code, herein referred to as “non-qualified stock options.” 
 It is intended, except as otherwise
provided herein, that incentive stock options may be granted under the Plan and that such incentive stock options shall conform to the requirements of Section 422 and 424 of the Code and to the provisions of this Plan and shall otherwise be as
determined by the Committee (as hereinafter defined). The terms “subsidiaries” and “subsidiary corporation” shall have the meanings given to them by Section 424 of the Code. All section references to the Code in this Plan
are intended to include any amendments or substitutions therefor subsequent to the adoption of the Plan. 
 Section 2.
Administration. The Plan shall be administered by a Compensation and Benefits Committee (the “Committee”) consisting of two or more members of the Board of Directors of the Company (the “Board”), each
of whom shall meet the requirements for (i) a “non-employee director” within the meaning of Rule 16b-3 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), (ii) an “outside
director” within the meaning of Section 162(m) of the Code and (iii) an “independent director” under the New York Stock Exchange listing rules and any other required independence standards. The Committee shall have full
authority to grant Options and Restricted Stock, to interpret the Plan and to make such rules and regulations and establish such procedures as it deems appropriate for the administration of the Plan, taking into consideration the recommendations of
management. The decisions of the Committee shall be binding and conclusive for all purposes and upon all persons unless and except to the extent that the Board shall have previously directed that all or specified types of decisions of the Committee
shall be subject to approval by the Board. Notwithstanding the foregoing and anything else in the Plan to the contrary, the Committee, in its sole discretion, may delegate the Committee’s authority and duties under the Plan to the Chief
Executive Officer of the Company, or to any other committee, in either case to the extent permitted under applicable 

 
law, under such conditions and limitations as the Board or the Committee may from time to time establish, except that only the Committee may make any
determinations regarding awards to Participants who are subject to Section 16 of the Exchange Act. 
 Section 3. Number of
Shares. The total number of shares which may be sold or awarded under the Plan shall not exceed 45 million shares of the Company’s Common Stock, of which up to 6 million may be granted as Restricted Stock. The total number
of shares for which Options may be granted under the Plan to any Participant during any one fiscal year of the Company shall not exceed 4.5 million. The shares may be authorized and unissued or issued and reacquired shares, as the Board from time to
time may determine. Shares with respect to which Options are not exercised prior to termination of the Option, or that are part of a Restricted Stock award that is forfeited before the restrictions lapse, shall again be available for Options and
Restricted Stock thereafter granted under the Plan, to the fullest extent permitted by law. 
 Section 4. Participation. The
Committee may, from time to time, grant Options and Restricted Stock to Participants and shall determine the number of shares subject to each grant. 
 Section 5. Terms and Conditions of Options. The terms and conditions of each Option shall be set forth in an agreement or agreements between the Company and the Participant. Such terms and conditions
shall include the following as well as such other provisions, not inconsistent with the Plan, as may be deemed advisable by the Committee: 
 (a) Number of Shares. The number of shares subject to the Option. 
 (b)
Option Price. The option price per share (the “Option Price”), shall not be less than 100% of the Fair Market Value of a share of the Company’s Common Stock on the date the Option is granted. Fair Market Value of the
Common Stock as of any date, shall be deemed to be the closing price of the Common Stock on the Consolidated Transaction Reporting System on such date or if such date is not a trading day, on the most recent trading day prior to such date. Once
granted, except as provided in Section 7, the Option Price of outstanding Options may not be reduced, whether by repricing exchange or otherwise. 
 (c) Date of Grant. The date of grant of an Option shall be the date when the Committee meets and awards such Option, or such later date as the Committee shall designate. 
 (d) Payment. The Option Price multiplied by the number of shares to be purchased by exercise of an Option shall be paid upon
the exercise thereof. Unless the terms of an Option provide to the contrary, upon exercise, the aggregate Option Price shall be payable (i) in cash equal to such aggregate Option Price, (ii) in shares of the Company’s Common Stock
owned by the Participant (which, for so long as necessary to avoid adverse accounting treatment, must have been held by the Participant at least six months) having a Fair Market Value on the day immediately preceding the date of exercise at least
equal to such aggregate Option Price, (iii) a combination of the above methods, or (iv) by any other means approved by the Committee, including under any 

  

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approved cashless exercise mechanism. Payment of the aggregate Option Price shall be made and received by the Company prior to the delivery of the shares as
to which the Option was exercised. The right to deliver, in full or partial payment of the Option Price, any consideration other than cash shall be limited to such frequency as the Committee shall determine in its absolute discretion. A Participant
shall have none of the rights of a stockholder with respect to an Option until the shares of Common Stock underlying such Option are issued to him or her. In order to be validly exercised, the aggregate Option Price and all necessary exercise
documentation must be submitted to the Company or its designated agent not later than the close of trading on the date of expiration of the Option or, if such date is not a trading day, the close of trading on the last trading day prior to the date
of expiration of the Option. 
 (e) Term of Options. Each Option granted pursuant to the Plan shall be for the
term specified in the applicable option agreement (the “Option Agreement”). 
 (f) Exercise of
Option. Unless otherwise provided in the applicable Option Agreement, (i) no Option granted under the Plan may be exercisable earlier than the later of (A) one year from the date of grant or (B) the date on which the
Participant completes two years of continuous employment with the Company or one or more of its subsidiaries, and (ii) in the event of a Participant’s death, Retirement (as defined below) or Disability (as defined below), any Options held
by such Participant shall become exercisable on his or her Retirement date, the date his or her employment terminates on account of Disability or the date of his or her death provided he or she has been in the continuous employment of the Company or
one or more of its subsidiaries for at least two years at such time. No Option may be exercised after it is terminated as provided in paragraph (g) of this Section, and no Option may be exercised unless the Participant is then employed by the
Company or any of its subsidiaries and shall have been continuously employed by the Company or one or more of such subsidiaries since the date of the grant of his or her Option, except (x) as provided in paragraph (g) of this Section, and
(y) in the case of the Participant’s Retirement or Disability (in which case the Participant may exercise the Option to the extent he or she was entitled to exercise it at the time of such termination or such shorter period as may be
provided in the Option Agreement) or death (in which case the Option may be exercised by the Participant’s legal representative or legatee or such other person designated by an appropriate court as the person entitled to exercise such Option to
the extent the Participant was entitled to exercise it at the time of his or her death). As used herein, “Retirement” shall mean termination of the Participant’s full-time employment on or after the earliest retirement age
under any qualified retirement plan of the Company or its subsidiaries which covers the Participant, or age 55 with 5 continuous years of such employment if there is no such plan, and “Disability” shall mean termination of the
Participant’s full-time employment for reason of disability for purposes of at least one qualified retirement plan or long term disability plan maintained by the Company or its subsidiaries in which the Participant participates. Non-qualified
stock options and incentive stock options may be exercised regardless of whether other Options granted to the Participant pursuant to the Plan are outstanding or whether other stock options granted to the Participant pursuant to any other plan are
outstanding. 
  

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 (g) Termination of Options. Unless otherwise provided in the applicable
Option Agreement, an Option, to the extent not validly exercised, shall terminate at the end of its stated term or, if earlier, upon the occurrence of the first of the following events: 
 (i) Three months after termination by the Company or one of its subsidiaries of the Participant’s employment for any reason other
than in the case of death, Retirement, Disability, or deliberate gross misconduct determined in the sole discretion of the Committee, during which three month period the Option may be exercised by the Participant to the extent the Participant was
entitled to exercise it at the time of such termination; 
 (ii) Concurrently with the time of termination by the Company or
one of its subsidiaries of the Participant’s employment for deliberate gross misconduct determined in the sole discretion of the Committee (for purposes only of this subparagraph (ii) an Option shall be deemed to be exercised when the
Participant has received the stock certificate (or valid instructions in the case of delivery of uncertificated shares) representing the shares for which the Option was exercised); or 
 (iii) Concurrently with the time of a Participant’s voluntary termination of his or her employment with the Company or one of its
subsidiaries for reasons other than Retirement or Disability. 
 Notwithstanding the above, no Option shall be exercisable
after termination of employment unless the Participant shall have, for the entire time period during which his or her Options were exercisable, (a) refrained from becoming or serving as an officer, director, partner or employee of any
individual proprietorship, partnership or corporation, or the owner of a business, or a member of a partnership which conducts a business in competition with the Company or renders a service (including without limitation, advertising agencies and
business consultants) to competitors with any portion of the business of the Company, (b) made himself or herself available, if so requested by the Company, at reasonable times and upon a reasonable basis to consult with, supply information to,
and otherwise cooperate with, the Company and (c) refrained from engaging in deliberate action which, as determined by the Committee, causes substantial harm to the interests of the Company or, if occurring before termination of employment,
would have otherwise constituted deliberate gross misconduct for purposes of Section 5(g)(ii). If these conditions are not fulfilled, the Participant shall forfeit all rights to any unexercised Option as of the date of the breach of the
condition. 
 (h) Non-transferability of Options. Options shall not be transferable by the Participant other
than by will or the laws of descent and distribution, and Options shall during his or her lifetime be exercisable only by the Participant; provided, however, that the Committee may, in its sole discretion, allow for transfer of
Options (other than incentive stock options, unless such transferability would not adversely affect incentive stock option tax treatment) but only for estate planning purposes. 
  

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 (i) Applicable Laws or Regulations. The Company’s obligation to sell
and deliver stock under the Option is subject to such compliance as the Company deems necessary or advisable with federal and state laws, rules and regulations. 
 (j) Limitations on Incentive Stock Options. To the extent that the aggregate Fair Market Value of the Company’s Common
Stock, determined at the time of grant, with respect to which incentive stock options granted under this or any other Plan of the Company are exercisable for the first time by a Participant during any calendar year exceeds $100,000, or such other
amount as may be permitted under the Code, such excess shall be considered non-qualified stock options. 
 Notwithstanding anything in the
Plan to the contrary, any incentive stock option granted to any Participant who, at the time of grant, is the owner, directly or indirectly, of stock possessing more than ten percent (10%) of the total combined voting power of all classes of
stock of the Company or any subsidiary thereof, shall (i) have a term not exceeding five years from the date of grant and (ii) shall have an Option Price of not less than 110% of the Fair Market Value of the Company’s Common Stock on
the date the incentive stock option is granted. 
 Section 6. Restricted Stock Awards. The Committee may, in its sole
discretion, from time to time, make awards of shares of the Company’s Common Stock or awards of units representing shares of the Company’s Common Stock, to Participants in such quantity, and on such terms, conditions and restrictions
(whether based on performance standards, periods of service or otherwise) as the Committee shall establish (“Restricted Stock”). The terms, conditions and restrictions of any Restricted Stock award made under this Plan shall be set
forth in an agreement or agreements between the Company and the Participant. 
 (a) Issuance of Restricted Stock.
The Committee shall determine the manner in which Restricted Stock shall be held during the period it is subject to restrictions. 
 (b) Stockholder Rights. Beginning on the date of grant of the Restricted Stock award and subject to the execution of the applicable award agreement by a Participant and subject to the terms, conditions
and restrictions of the applicable award agreement, the Committee shall determine to what extent the Participant has the rights of a stockholder of the Company including, but not limited to, whether the Participant has the right to vote the shares
or to receive dividends or dividend equivalents. 
 (c) Restriction on Transferability. No Restricted Stock
award may be assigned or transferred, pledged or sold prior to their delivery to a Participant or, in the case of a Participant’s death, to the Participant’s legal representative or legatee or such other person designated by an appropriate
court; provided, however, that the Committee may, in its sole discretion, allow for transfer of a Restricted Stock award but only for estate planning purposes. 
 (d) Delivery of Shares. Upon the satisfaction of the terms, conditions and restrictions contained in the Restricted Stock
award agreements or as otherwise determined by the Committee, the Company shall deliver, as soon as practicable, to the 

  

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Participant (or permitted transferee), or in the case of his or her death to his or her legal representative or legatee or such other person designated by an
appropriate court, a stock certificate (or proper crediting in uncertificated shares) for the appropriate number of shares of the Company’s Common Stock, free of all such restrictions, except for any restrictions that may be imposed by law.

 (e) Forfeiture of Restricted Stock. Subject to Section 6(f), all of the shares or units with respect to
a Restricted Stock award shall be forfeited and all rights of the Participant with respect to such shares or units shall terminate unless the Participant continues to be employed by the Company or its subsidiaries until the expiration of the
forfeiture period and the satisfaction of any other conditions set forth in the applicable award agreement. 
 (f) Waiver
of Forfeiture Period. Notwithstanding any other provisions of the Plan, the Committee may, in its sole discretion, waive the forfeiture period and any other conditions set forth in any award agreement under certain circumstances
(including the death, Disability or Retirement of the Participant or a material change in circumstances arising after the date of an award) and subject to such terms and conditions (including forfeiture of a proportionate number of the restricted
shares) as the Committee shall deem appropriate. 
 Section 7. Adjustment in Event of Change in Stock. Subject to
Section 8, in the event of a stock split, stock dividend, cash dividend (other than a regular cash dividend), combination of shares, merger, or other relevant change in the Company’s capitalization, the Committee shall, subject to the
approval of the Board of Directors, appropriately adjust the number and kind of shares available for issuance under the Plan (including the number of shares that may be granted as Restricted Stock), the maximum number of shares for which Options may
be granted to any Participant during any one fiscal year of the Company, the number, kind and Option Price of shares subject to outstanding Options and the number and kind of shares subject to outstanding Restricted Stock awards; provided,
however, that to the extent permitted in the case of incentive stock options by Sections 422 and 424 of the Code, in the event that the outstanding shares of Common Stock of the Company are increased or decreased or changed into or exchanged
for a different number or kind of shares or other securities of the Company or of another corporation, through reorganization, merger, consolidation, liquidation, recapitalization, reclassification, stock split-up, combination of shares or dividend,
appropriate adjustment in the number and kind of shares as to which Options may be granted and as to which Options or portions thereof then unexercised shall be exercisable, and in the Option Price thereof, shall be made to the end that the
proportionate number of shares or other securities as to which Options may be granted and the Participant’s proportionate interests under outstanding Options shall be maintained as before the occurrence of such event; provided, that any
such adjustment in shares subject to outstanding Options (including any adjustments in the Option Price) shall be made in such manner as not to constitute a modification as defined by subsection (h)(3) of Section 424 of the Code; and
provided, further, that, in the event of an adjustment in the number or kind of shares under a Restricted Stock award pursuant to this Section 7, any new shares or units issued to the Participant in respect thereof shall be
subject to the same terms, conditions and restrictions as the underlying Restricted Stock award for which the adjustment was made. 
  

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 Section 8. Effect of a Change of Control. 
 (a) For purposes of this Section 8, “Change of Control” shall, unless the Board of Directors of the Company otherwise directs by resolution
adopted prior thereto or, in the case of a particular award, the applicable award agreement states otherwise, be deemed to occur if (i) any “person” (as that term is used in Sections 13 and 14(d)(2) of the Exchange Act) other than a
Permitted Holder (as defined below) is or becomes the beneficial owner (as that term is used in Section 13(d) of the Exchange Act), directly or indirectly, of 50% or more of either the outstanding shares of Common Stock or the combined voting
power of the Company’s then outstanding voting securities entitled to vote generally, (ii) during any period of two consecutive years, individuals who constitute the Board of Directors of the Company at the beginning of such period cease
for any reason to constitute at least a majority thereof, unless the election or the nomination for election by the Company’s stockholders of each new director was approved by a vote of at least three-quarters of the directors then still in
office who were directors at the beginning of the period or (iii) the Company undergoes a liquidation or dissolution or a sale of all or substantially all of the assets of the Company. No merger, consolidation or corporate reorganization in
which the owners of the combined voting power of the Company’s then outstanding voting securities entitled to vote generally prior to said combination, own 50% or more of the resulting entity’s outstanding voting securities shall, by
itself, be considered a Change in Control. As used herein, “Permitted Holder” means (i) the Company, (ii) any corporation, partnership, trust or other entity controlled by the Company and (iii) any employee benefit
plan (or related trust) sponsored or maintained by the Company or any such controlled entity. 
 (b) Except to the extent reflected in a
particular Option Agreement or award agreement, in the event of a Change of Control: 
 (i) notwithstanding any vesting
schedule, or any other limitation on exercise or vesting, all outstanding Options shall immediately become 100% vested and exercisable, and the restrictions shall expire immediately with respect to 100% of all outstanding Restricted Stock awards;
and 
 (ii) the Committee may, in its discretion and upon at least 10 days advance notice to the affected persons, cancel any
outstanding Options or Restricted Stock awards and pay to the holders thereof, in cash, the value of such awards based upon the highest price per share of Company Common Stock received or to be received by other stockholders of the Company in
connection with the Change of Control. 
 (c) Notwithstanding any provision in the Plan to the contrary, the provisions of this
Section 8 shall be administered in a manner that complies with Section 409A of the Code. 
 Section 9. Amendment and
Discontinuance. The Board of Directors of the Company may from time to time amend or revise the terms of the Plan, or may discontinue the Plan at any time as permitted by law, provided, however, that such amendment shall not
(except as provided in Section 7), without further approval of the stockholders, (i) increase the aggregate number of shares with respect to which awards may be made under the Plan; (ii) change the manner of determining the Option
Price (other than determining the Fair Market Value of the 

  

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Common Stock to conform with applicable provisions of the Code or regulations and interpretations thereunder); (iii) extend the term of the Plan or the
maximum period during which any Option may be exercised or (iv) make any other change which, in the absence of stockholder approval, would be prohibited by the listing requirements of the national stock exchange on which the Common Stock is
listed and traded, or would cause awards granted under the Plan which are then outstanding, or which may be granted in the future, and which are intended to qualify as performance-based compensation under Section 162(m) of the Code, to fail to
meet the exemptions provided by Section 162(m) of the Code. No amendments, revision or discontinuance of the Plan shall, without the consent of a Participant, in any manner adversely affect his or her rights under any Awards theretofore granted
under the Plan. Notwithstanding any provision in the Plan to the contrary, the Committee shall have the right to unilaterally amend, revise or discontinue the Plan, and any provision of the Plan and the Committee shall have the right to unilaterally
amend, revise or discontinue any Option Agreement or award agreement, any provision of an Option Agreement or award agreement and any Participant elections under an Option Agreement or award agreement, in each case, without the consent of any
Participant, where such amendment, revision or discontinuance is necessary or desirable to comply with applicable law or to ensure that, with respect to any Option, Restricted Stock award, or the cash or shares of common stock into which they are
converted, the Participant is not subject to adverse or unintended tax consequences under Section 409A of the Code; provided, however, that, with respect to any Option, nothing in the Plan shall require any amendment or revision
to the definition of Change in Control. The discontinuance of the Plan shall not result in the acceleration of issuance of shares of Wyeth common stock, to the extent that such shares constitute a deferral of compensation for purposes of
Section 409A of the Code, unless (i) all arrangement sponsored by the Company that would be aggregated with the Plan under Section 409A if the same Participant participated in all such arrangements are termination, (ii) no
payments, other than payments that would be payable under the terms of such arrangements if the termination had not occurred, are made within 12 months of the termination of such arrangements, (iii) all payments are made within 24 months of the
termination of the arrangements and (iv) the Company does not adopt a new arrangement that would be aggregated with the Plan under Section 409A if the same Participant participated in both arrangements, at any time within the five years
following the date of Plan termination. All determinations and actions made by the Board of Directors or the Committee pursuant to this Section shall be final, conclusive and binding on all persons. 
 Section 10. Effective Date and Duration. The Plan was adopted by the Board of Directors of the Company on March 3, 2005, subject to approval
by the stockholders of the Company at a meeting to be held in April 2005. Neither the Plan nor any award shall become binding until the Plan is approved by a vote of the stockholders in a manner which complies with Sections 162(m) and 422(b)(1) of
the Code. No Option may be granted and no stock may be awarded under the Plan before March 3, 2005, nor after March 3, 2015. 
 Section 11. Tax Withholding. Notwithstanding any other provision of the Plan, the Company or its subsidiaries, as appropriate, shall have the right to deduct from all awards under the Plan cash and/or stock, valued at Fair
Market Value on the date of payment, an amount necessary to satisfy all federal, state or local taxes as required by law to be withheld with respect to such awards. In the case of awards paid in the Company’s Common Stock, the Participant or
permitted transferee may be required to pay to the Company or a subsidiary thereof, as 

  

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appropriate, the amount of any such taxes which the Company or subsidiary is required to withhold, if any, with respect to such stock. Subject in particular
cases to the disapproval of the Committee, the Company may accept shares of the Company’s Common Stock of equivalent fair market value in payment of such withholding tax obligations if the Participant elects to make payment in such manner.

 Section 12. Construction and Conditions. The Plan and Options and Restricted Stock granted thereunder shall be governed by
and construed in accordance with the laws of the State of Delaware and in accordance with such federal law as may be applicable. 
 Neither
the existence of the Plan nor the grant of any Options or Restricted Stock pursuant to the Plan shall create in any Participant the right to continue to be employed by the Company or its subsidiaries. Employment shall be “at will” and
shall be terminable “at will” by the Company or the Participant with or without cause. Any oral statements or promises to the contrary are not binding upon the Company or the Participant. 
 Section 13. Section 409A. To the extent that any payments or benefits provided hereunder are considered deferred compensation subject to
409A, the Company intends for the Plan to comply with the standards for nonqualified deferred compensation established by Section 409A (the “409A Standards”). To the extent that any terms of the Plan would subject Participants to
gross income inclusion, interest or an additional tax pursuant to Section 409A, those terms are to that extent superseded by the 409A Standards. 
  

 92006 Non-Employee Director Stock Incentive Plan, as amended through 11-16-2006

 Exhibit 10.51 
 WYETH 
 2006 NON-EMPLOYEE DIRECTOR STOCK INCENTIVE PLAN 
 (As approved by stockholders on April 27, 2006 and as amended by the Board of Directors 
 through November 16, 2006) 
 1. Purpose. 
 The purpose of the Plan is to provide a means through which the Company may attract able persons to become and remain Non-Employee Directors of the
Company and to provide a means whereby Non-Employee Directors of the Company can acquire and retain Stock ownership, thereby strengthening their commitment to the welfare of the Company and promoting an identity of interest between stockholders and
such Non-Employee Directors. 
 2. Definitions. 
 The following definitions shall be applicable throughout the Plan. 
 (a) “Annual Meeting” shall
mean the annual meeting of the Company’s stockholders. 
 (b) “Award” means, individually or collectively, any Option or
Deferred Stock Unit Award. 
 (c) “Award Agreement” means the agreement between the Company and a Participant who has been granted
an Option or Deferred Stock Unit Award which defines the rights and obligations of the parties. 
 (d) “Board” means the Board of
Directors of the Company. 
 (e) “Board Membership” means the period of time during which a Director serves on the Board.

 (f) “Change in Control” means (i) any “person” (as that term is used in Sections 13 and 14(d)(2) of the Exchange
Act) other than a Permitted Holder (as defined below) who is or becomes the beneficial owner (as that term is used in Section 13(d) of the Exchange Act), directly or indirectly, of 50% or more of either the outstanding shares of Stock or the
combined voting power of the Company’s then outstanding voting securities entitled to vote generally, (ii) during any period of two consecutive years, individuals who constitute the Board at the beginning of such period cease for any
reason to constitute at least a majority thereof, unless the election or the nomination for election by the Company’s stockholders of each new director was approved by a vote of at least three-quarters of the directors then still in office who
were directors at the beginning of the period or (iii) the Company undergoes a liquidation or dissolution or a sale of all or substantially all of the assets of the Company. No merger, consolidation or corporate reorganization in which the
owners of the combined voting power of the Company’s then outstanding voting securities entitled to vote generally prior to said combination, own 50% or more of the resulting entity’s outstanding voting securities shall, by itself, be
considered a Change in Control. As used herein, “Permitted Holder” means (i) the 

 
Company, (ii) any corporation, partnership, trust or other entity controlled by the Company and (iii) any employee benefit plan (or related trust)
sponsored or maintained by the Company or any such controlled entity. 
 (g) “Code” means the Internal Revenue Code of 1986, as
amended from time to time, including regulations thereunder and successor provisions and regulations thereto. 
 (h) “Committee”
means the Compensation and Benefits Committee of the Board and any successor thereto. 
 (i) “Company” means Wyeth, a Delaware
corporation. 
 (j) “Date of Grant” means the date on which an Award is granted to a Participant under the Plan. 
 (k) “Default Election” shall have the meaning attributed thereto in Section 8(d)(ii) 
 (l) “Deferred Stock Account” means an account established by the Trustee to hold the shares of Stock attributable to each Participant receiving
a Deferred Stock Unit Award. 
 (m) “Deferred Unit Account” means a bookkeeping account established and maintained by the Company in
the name of each Participant who receives a Deferred Stock Unit Award. 
 (n) “Deferred Stock Unit” means a hypothetical investment
representing one share of Stock granted in connection with a Deferred Stock Unit Award pursuant to Section 8 of the Plan. 
 (o)
“Deferred Stock Unit Award” shall mean the Deferred Stock Unit Award granted to a Participant in accordance with Section 8 of the Plan. 
 (p) “Director” means any member of the Board. 
 (q) “Disability” means a medically
determinable physical or mental impairment which renders a Participant substantially unable to function as a Director, as determined in the sole discretion of the Committee. 
 (r) “Distribution Election Form” shall mean the election form filed by a Non-Employee Director with the Company indicating whether such
Non-Employee Director’s Deferred Stock Unit Awards will be distributed in a lump sum or in a series of 2 to 10 substantially equal annual installments. 
 (s) “Distribution Election Modification Form” shall mean the election form filed by a Non-Employee Director with the Company indicating a change in the form of distribution of such Non-Employee
Director’s future Deferred Stock Unit Awards. 
  

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 (t) “Dividend Equivalents” means an amount equal to the cash dividends otherwise payable by the
Company upon each share of Stock credited to a Participant’s Deferred Stock Account. 
 (u) “Exchange Act” means the Securities
Exchange Act of 1934. 
 (v) “Fair Market Value” on a given date means (i) if the Stock is listed on a national securities
exchange, the closing sale price reported as having occurred on the primary exchange with which the Stock is listed and traded on such date, or, if there is no such sale on that date, then on the last preceding date on which such a sale was
reported; or (ii) if the Stock is not listed on a national securities exchange, the amount determined by the Committee to be the fair market value based upon a good faith attempt to value the Stock accurately and computed in accordance with
applicable regulations of the Internal Revenue Service. 
 (w) “Initial Election” shall have the meaning attributed thereto in
Section 8(d)(i). 
 (x) “Non-Employee Director” means a Director who is not also a current employee of the Company or any of
its subsidiaries or affiliates. 
 (y) “Option” means an option to purchase Stock. 
 (z) “Option Period” means the period during which an Option remains outstanding and following which the Option will expire, subject to early
expiration upon a termination of a Participant’s Board Membership as provided herein. 
 (aa) “Option Price” means the
per-share exercise price set for an Option as reflected in the applicable Award Agreement. 
 (bb) “Participant” means each
Non-Employee Director to whom an Award has been granted under the Plan. 
 (cc) “Plan” means the Company’s 2006 Non-Employee
Director Stock Incentive Plan. 
 (dd) “Section 402 of SOX” shall have the meaning attributed thereto in Section 7(e).

 (ee) “Section 409A” means Section 409A of the Code. 
 (ff) “Securities Act” means the Securities Act of 1933, as amended. 
 (gg) “Stock” means the common stock par value $0.33 1/3 per share, of the Company. 
 (hh) “Trust” shall mean the grantor trust established by the Company to hold the shares of Stock attributable to Participants receiving Deferred
Stock Unit Awards. 
 (ii) “Trustee” shall mean the trustee of the Trust. 
 (jj) “Unforeseeable Emergency” shall have the meaning set forth in Section 409A(a)(2)(B)(ii) of the Code. 
  

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 3. Effective Date and Stockholder Approval. 
 The Plan shall be submitted to the stockholders of the Company for their approval at the Annual Meeting of Stockholders to be held on April 27, 2006.
The Plan shall become effective upon the affirmative vote of the holders of a majority of the shares of Stock present, or represented, and entitled to vote at the meeting. 
 4. Administration. 
 The Committee
shall administer the Plan. The majority of the members of the Committee shall constitute a quorum. The acts of a majority of the members present at any meeting at which a quorum is present or acts approved in writing by a majority of the Committee
shall be deemed the acts of the Committee. Subject to the provisions of the Plan, the Committee shall have exclusive power to (i) grant discretionary Awards under the Plan, (ii) determine the nature and extent of the Awards to be made to
each Non-Employee Director, (iii) determine the time or times when Awards will be made to Non-Employee Directors, (iv) determine the conditions to which the payment of Awards may be subject, (v) change the number, type and terms of
the Awards granted under the Plan, (vi) prescribe the form or forms of Award Agreements, and (vii) cause records to be established in which there shall be entered, from time to time as Awards are made to Participants, the date of each
Award, the number of Options and Deferred Stock Units awarded by the Committee to each Participant, and the expiration date. 
 The Committee
shall have the authority, subject to the provisions of the Plan, to establish, adopt, and revise such rules and regulations and to make all such determinations relating to the Plan as it may deem necessary or advisable for the administration of the
Plan. The Committee shall also have the authority to construe and interpret the Plan and all Awards and Award Agreements issued pursuant to the Plan and to correct any defects, supply any omissions and/or reconcile any inconsistencies therein. The
Committee’s interpretation of the Plan or any documents evidencing Awards granted pursuant thereto and all decisions and determinations by the Committee with respect to the Plan shall be final, binding, and conclusive on all parties.

 5. Shares Subject to the Plan. 
 Unless otherwise determined by the Committee, Options and Deferred Stock Unit Awards shall be automatically granted to Non-Employee Directors pursuant to the formulas set forth in Sections 7 and 8; provided, however, that:

 (a) Subject to Section 11, the maximum number of shares of Stock that may be issued pursuant to all Awards under the Plan shall be
300,000; provided, however, that the maximum number of shares of Stock that may be issued pursuant to Deferred Stock Unit Awards shall be 75,000. 
 (b) The Committee may adopt reasonable counting procedures to ensure appropriate counting and make adjustments if the number of shares of Stock actually delivered differs from the number of shares previously counted in connection with an
Award. To the extent that an Award expires or is canceled, forfeited, settled in cash or otherwise terminated or concluded without a delivery to the Participant of the full number of shares to which the Award related, the undelivered shares will
again be available for Awards under the Plan; and 
  

 4 

 (c) Stock delivered by the Company in settlement of Awards under the Plan may be authorized and unissued
Stock or Stock held in the treasury of the Company or may be purchased on the open market or by private purchase. 
 6. Eligibility.

 Participation in the Plan shall be limited to Non-Employee Directors. 
 7. Annual Option Awards. 
 (a)
Automatic Grant. Unless otherwise determined by the Committee, on the date of each Annual Meeting, each Non-Employee Director who is newly elected as a Non-Employee Director or who was previously so elected and continues as a Non-Employee
Director immediately following such Annual Meeting shall automatically be granted, without further action by the Board or the Committee, an Option to purchase 3,500 shares of Stock. 
 (b) Option Price. Options shall have an Option Price equal to the Fair Market Value of a share of Stock on the Date of Grant. 
 (c) Option Period. Unless otherwise determined by the Committee, the Option Period of each Option, after which each such Option shall expire, shall
be ten (10) years from the Date of Grant. 
 (d) Vesting of Options. Unless otherwise determined by the Committee and subject to
early expiration upon termination of a Participant’s Board Membership or accelerated vesting, as provided herein, each Option shall become fully vested and exercisable on the earlier of (i) the day immediately prior to the next Annual
Meeting or (ii) the date that is twelve (12) months from the Date of Grant; provided, however, that no Options shall become vested and exercisable prior to the date upon which a Participant has completed two years of
continuous Board Membership. For purposes of this Plan, a Non-Employee Director will be deemed to have completed two years of continuous Board Membership on the date immediately prior to the second anniversary of such Non-Employee Director’s
date of election to the Board. Notwithstanding any vesting schedule established for any Option, the Committee may, in its sole discretion, accelerate the exercisability of any Option. If an Option is exercisable in installments, such installments or
portions thereof which become exercisable shall remain exercisable until the Option expires either at the end of the Option Period or earlier upon termination of a Participant’s Board Membership, as provided herein. 
 (e) Manner of Exercise and Form of Payment. Options which have become exercisable may be exercised by delivery of a written notice of exercise to
the Company accompanied by payment of the Option Price covering the shares of Stock with respect to which the exercise relates. The Option Price may be payable in cash and/or by delivery of shares of Stock having a Fair Market Value on the day prior
to the date the Option is 

  

 5 

 
exercised equal to the Option Price multiplied by the number of shares subject to exercise or, in the discretion of the Committee, either (i) by
delivery to the Company of a copy of irrevocable instructions to a stockbroker to deliver promptly to the Company an amount of sale or loan proceeds sufficient to pay the Option Price multiplied by the number of shares subject to exercise,
(ii) by delivery of a notice of “net exercise” to the Company, pursuant to which the Participant shall receive the number of shares of Stock subject to exercise reduced by the number of shares of Stock equal to the aggregate exercise
price for such shares divided by the Fair Market Value on the date prior to such exercise; or (iii) by any other means approved by the Committee. Anything herein to the contrary notwithstanding, the Company shall not directly or indirectly
extend or maintain credit, or arrange for the extension of credit, in the form of a personal loan to or for any Non-Employee Director through the Plan in violation of Section 402 of the Sarbanes-Oxley Act of 2002 (“Section 402 of
SOX”), and to the extent that any form of payment would, upon the advice of the Company’s counsel, result in a violation of Section 402 of SOX, such form of payment shall not be available. 
 (f) Termination of a Participant’s Board Membership. Unless otherwise determined by the Committee, the termination of a Participant’s
Board Membership shall have the following consequences to outstanding Options. 
 (i) If a Participant’s Board Membership is terminated
by reason of the Participant’s death or Disability, and such Participant has completed at least two years of continuous Board Membership, any outstanding Options held by such Participant which are not vested and exercisable on the date of such
termination shall become immediately vested and exercisable and all outstanding Options held by such Participant shall remain exercisable until the earlier of (x) the third anniversary of the date of termination, or (y) the expiration of
the Option Period. 
 (ii) If a Participant’s Board Membership is terminated for any other reason other than death or Disability, any
unvested Options then held by such Participant shall expire immediately upon such termination and any vested Options then held by such Participant shall remain exercisable until the earlier of (x) the third anniversary of the date of
termination, or (y) the expiration of the Option Period. 
 (g) Award Agreement. Each Option shall be evidenced by an Award
Agreement, which shall contain such provisions as may be determined by the Committee. 
 (h) Amendment or Cancellation of Option Award
Formula. Notwithstanding anything herein to the contrary, the Committee may, at any time and from time to time in its sole discretion, terminate or amend the automatic Option Award to Non-Employee Directors set forth in this Section 7, by
increasing or decreasing the number of shares of Stock subject to the formula or substituting an alternate formula or a different Award on different terms, including different or no vesting conditions. 

	 	

  

 6 

 8. Annual Deferred Stock Unit Awards 
 (a) Automatic Grant. Unless otherwise determined by the Committee, on the date of each Annual Meeting, each Non-Employee Director who is newly
elected as a Non-Employee Director or who was previously so elected and continues as a Non-Employee Director immediately following such Annual Meeting shall automatically be granted, without further action by the Board or the Committee, an Award of
1,200 Deferred Stock Units. 
 (b) Establishment of Deferred Unit Account. Unless otherwise determined by the Committee, on the Date of
Grant of each Deferred Stock Unit Award to a Participant, the Company shall establish a Deferred Unit Account for each new Participant receiving such Award and credit to each such newly established or previously established Deferred Unit Account for
each such Participant the number of Deferred Stock Units attributable to each such Award. 
 (c) Contribution of Stock to Trust. Unless
otherwise determined by the Committee, on the Date of Grant of each Deferred Stock Unit Award, the Company shall contribute to the Trust for the benefit of each Participant receiving such Award a number of shares of Stock equal to the number of
Deferred Stock Units granted to each such Participant pursuant to each such Award and shall instruct the Trustee or applicable record keeper to establish a Deferred Stock Account for each such new Participant and to allocate to each such newly
established or previously established Deferred Stock Account for each such Participant the number of shares of Stock attributable to such Award. Each Participant with respect to whom a Deferred Stock Account has been established shall have the
voting power to direct the trustee with respect to the voting of Stock allocated to such Deferred Stock Account. The trustee shall not have discretion to vote the Stock held in the Trust unless instructed to do so by the Participant to whose account
the Stock has been allocated. Stock held in Deferred Stock Accounts (including, without limitation, Dividend Equivalents) shall be subject to forfeiture and returned to the Company to the same extent that the corresponding Deferred Stock Unit Award
is subject to forfeiture. Upon forfeiture of all or a portion of any Deferred Stock Unit Award, the corresponding number of shares of Stock held in a Deferred Stock Account shall be forfeited and returned to the Company. Each Deferred Stock Account
shall be maintained under the Trust for each Participant with respect to whom a Deferred Stock Account has been established until the distribution and/or forfeiture of all shares of Stock allocated to such Deferred Stock Account. 
 (d) Form of Distribution Election. 
 (i) Initial Elections. Within thirty (30) days following the date of (A) the 2006 Annual Meeting, and (B) any subsequent Annual Meeting at which a newly-elected Non-Employee Director receives an initial Deferred Stock
Unit Award (whether such Non-Employee Director was newly-elected at the Annual Meeting or prior to the Annual Meeting), each Non-Employee Director receiving an initial Deferred Stock Unit Award hereunder must file a Distribution Election Form, a
form of which is attached hereto as Exhibit A, with the Company indicating whether the distribution of such Award is to be made in a lump sum or in a series of 2 to 10 substantially equal annual installments following the termination of such
Non-Employee Director’s Board Membership (the “Initial Election”). 
  

 7 

 (ii) Default Election. In the event that any Non-Employee Director fails to file a timely
Distribution Election Form with respect to a Deferred Stock Unit Award, such Deferred Stock Unit Award will be distributed to the Non-Employee Director in a lump sum following the termination of such Non-Employee Director’s Board Membership
(the “Default Election”). 
 (iii) Change in Form of Distribution. The Initial Election (or the Default Election, if
applicable), for each Non-Employee Director shall be a standing election and shall apply to the initial Deferred Stock Unit Award for such Non-Employee Director and, unless such election is changed, to all of the Non-Employee Director’s
subsequent annual Deferred Stock Unit Awards. A Non-Employee Director may elect to change the form of payment for any future Deferred Stock Unit Award by filing a Distribution Election Modification Form, a form of which is attached hereto as
Exhibit B, with the Company no later than December 31, or such earlier date prescribed by the Committee, of the year prior to the year in which the Deferred Stock Unit Award with respect to which the change will be effective is to be
granted. Any such Distribution Election Modification Form shall apply to all of the Non-Employee Director’s subsequent Deferred Stock Unit Awards, unless and until a new Distribution Election Modification Form is filed with the Company.

 (e) Vesting. Subject to forfeiture upon termination of a Participant’s Board Membership or accelerated vesting, as provided
herein, and unless otherwise determined by the Committee, 
 (i) Awards Granted at 2006 Annual Meeting. Each Deferred Stock Unit Award
granted to a Non-Employee Director at the 2006 Annual Meeting shall become fully vested and no longer subject to forfeiture on the date that is twelve (12) months and thirty (30) days from the Date of Grant; provided,
however, that no Deferred Stock Unit Award shall become vested prior to the date upon which a Non-Employee Director has completed two years of continuous Board Membership; 
 (ii) Awards Granted to Newly-Elected Non-Employee Directors. Each initial Deferred Stock Unit Award granted to a Non-Employee Director who is
newly-elected to the Board after the 2006 Annual Meeting shall become fully vested and no longer subject to forfeiture on the date that is twelve (12) months and thirty (30) days from the Date of Grant; provided, however,
that no Deferred Stock Unit Award shall become vested prior to the date upon which a Non-Employee Director has completed two years of continuous Board Membership; and 
 (iii) Awards Granted to Non-Employee Directors Who Are Not Newly-Elected to the Board. Except as provided in Section 8(e)(i), each Deferred Stock 

  

 8 

 
Unit Award granted to a Non-Employee Director who is not newly-elected to the Board shall become fully vested and no longer subject to forfeiture on the
earlier of (x) the date that is twelve (12) months from the Date of Grant or (y) the day immediately prior to the next Annual Meeting; provided, however, that no Deferred Stock Unit Award shall become vested prior to the
date upon which a Non-Employee Director has completed two years of continuous Board Membership. 
 Notwithstanding any vesting
schedule established for any Deferred Stock Unit Award, the Committee may, in its sole discretion, accelerate the vesting of any Deferred Stock Unit Award and cause the forfeiture restrictions with respect to such Award to lapse; provided,
however, that the Committee may not accelerate the vesting of any initial Deferred Stock Unit Award (otherwise subject to vesting on the date that is twelve (12) months and thirty (30) days from the Date of Grant), if such
acceleration would result in an impermissible distribution under Section 409A. 
 (f) Dividend Equivalents. Unless otherwise
determined by the Committee, the Company shall withhold cash dividends payable on the shares of Stock held in the Trust and, on each date that cash dividends are otherwise payable to the holders of Stock, the Company shall credit the Dividend
Equivalents to each Participant’s Deferred Unit Account. On each date that the Dividend Equivalents in any Deferred Unit Account equal the value of a full share of Stock, the Company shall deduct such value from such Deferred Unit Account and
contribute one share of Stock to the Participant’s Deferred Stock Account in the Trust. Dividend Equivalents and shares of Stock attributable to Dividend Equivalents shall be subject to forfeiture in the same manner as the Deferred Stock Unit
Awards with respect to which such Dividend Equivalents are attributable. 
 (g) Accelerated Vesting and Forfeiture of Deferred Stock Unit
Awards upon the Termination of a Participant’s Board Membership. Unless otherwise determined by the Committee, (i) in the event of the termination of a Participant’s Board Membership on account of such Participant’s death or
Disability and such Participant has completed at least two years of continuous Board Membership, all unvested Deferred Stock Units held by such Participant as of such termination date shall immediately become fully vested and the forfeiture
restrictions thereon shall lapse, and (ii) in the event of the termination of a Participant’s Board Membership for any other reason all unvested Deferred Stock Units held by such Participant as of such termination date shall immediately
expire and be forfeited. 
 (h) Payment of Deferred Stock Unit Awards. The shares of Stock attributable to Deferred Stock Unit Awards
for each Participant (including shares attributable to Dividend Equivalents) shall be held in the Trust until the termination of such Participant’s Board Membership. Following the termination of a Participant’s Board Membership, the shares
of Stock held in such Participant’s Deferred Stock Account attributable to vested Deferred Stock Units shall be distributed by the Trustee to such Participant in a lump sum or in a series of annual installments (net of all applicable taxes, if
any), as elected by such Participant pursuant to a Distribution Election Form or Distribution Election Modification Form, as applicable; provided, however, that with 

  

 9 

 
respect to any Participant who elected within thirty (30) days following the Date of Grant of any Deferred Stock Unit Award to receive distribution of
such Award in a series of annual installments, if the vesting of such Award is accelerated on account of such Participant’s death or Disability or on account of a Change in Control, the shares of Stock attributable to such Award shall be
distributed in a lump sum, disregarding the election to have such distribution made in a series of annual installments, as soon as practicable following such acceleration, but in no event later than two and one-half months following the end of the
year of such acceleration. 
 (i) Award Agreement. Each Deferred Stock Unit Award shall be evidenced by an Award Agreement, which shall
contain such provisions as may be determined by the Committee. 
 (j) Amendment or Cancellation of Deferred Stock Unit Award Formula.
Notwithstanding anything herein to the contrary, the Committee may, at any time and from time to time in its sole discretion, terminate or amend the automatic Deferred Stock Unit Award to Non-Employee Directors set forth in this Section 8,
by increasing or decreasing the number of shares of Stock subject to the formula or substituting an alternate formula or a different Award on different terms, including different or no vesting conditions. 
 (k) Distribution upon an Unforeseeable Emergency. A Participant may petition the Committee for a distribution of the shares of Stock held in such
Participant’s Deferred Stock Account attributable to vested Deferred Stock Units on account of an Unforeseeable Emergency. Upon the application of a Participant for a distribution on account of an Unforeseeable Emergency the Committee shall
determine whether such distribution request qualifies for a distribution pursuant to an Unforeseeable Emergency and, if so, shall approve such request and instruct the Trustee to distribute to such Participant only the number of shares of Stock
attributable to vested Deferred Stock Units necessary to satisfy such Unforeseeable Emergency; provided, however, that in no event may such distribution exceed the balance of all shares of Stock attributable to vested Deferred Stock
Units held in such Participant’s Deferred Stock Account; and further provided, however, that no Participant requesting a distribution for an Unforeseeable Emergency shall have any involvement in making the determination to
approve such distribution on the part of the Committee; and further provided, however, that such distribution shall be made hereunder only to the extent that such constitutes an allowable distribution under Section 409A.

 9. Discretionary Grant of Awards 
 The Committee is authorized, subject to limitations under applicable law, to grant Awards on a discretionary basis to Non-Employee Directors. The Committee shall determine the terms and conditions of such Awards at
the Date of Grant or thereafter. 
  

 10 

 10. General 
 (a) Privileges of Stock Ownership. Except as otherwise specifically provided in the Plan, no person shall be entitled to the privileges of stock ownership in respect of shares of Stock which are subject to
Awards hereunder until such shares have been issued to that person free of any restrictions on stock ownership. 
 (b) Government and Other
Regulations. The obligation of the Company to make payment of Awards in Stock or otherwise shall be subject to all applicable laws, rules, and regulations, and to such approvals by governmental agencies as may be required. Notwithstanding any
terms or conditions of any Award to the contrary, the Company shall be under no obligation to offer to sell or to sell and shall be prohibited from offering to sell or selling any shares of Stock pursuant to an Award unless such shares have been
properly registered for sale pursuant to the Securities Act with the Securities and Exchange Commission or unless the Company has received the advice of counsel, satisfactory to the Company, that such shares may be offered or sold without such
registration pursuant to an available exemption therefrom and the terms and conditions of such exemption have been fully complied with. The Company shall be under no obligation to register for sale under the Securities Act any of the shares of Stock
to be offered or sold under the Plan. If the shares of Stock offered for sale or sold under the Plan are offered or sold pursuant to an exemption from registration under the Securities Act, the Company may restrict the transfer of such shares and
may legend the Stock certificates representing such shares in such manner as it deems advisable to ensure the availability of any such exemption. 
 (c) Designation and Change of Beneficiary. Each Participant may file with the Company a written designation of one or more persons or entities as the beneficiary who shall be entitled to receive the rights or amounts payable with
respect to an Award due under the Plan upon his death. A Participant may, from time to time, revoke or change his beneficiary designation without the consent of any prior beneficiary by filing a new designation with the Company. The last such
designation received by the Company shall be controlling; provided, however, that no designation, or change or revocation thereof, shall be effective unless received by the Company prior to the Participant’s death, and in no event
shall it be effective as of a date prior to such receipt. If no beneficiary designation is filed by the Participant, the beneficiary shall be deemed to be his or her spouse or, if the Participant is unmarried at the time of death, his or her estate.

 (d) No Liability of Committee Members. No member of the Committee shall be personally liable by reason of any contract or other
instrument executed by such member or on his behalf in his capacity as a member of the Committee nor for any mistake of judgment made in good faith, and the Company shall indemnify and hold harmless each member of the Committee and each other
employee, officer or director of the Company to whom any duty or power relating to the administration or interpretation of the Plan may be allocated or delegated, against any cost or expense (including counsel fees) or liability (including any sum
paid in settlement of a claim) arising out of any act or omission to act in connection with the Plan unless arising out of such person’s own fraud or willful bad faith; provided, however, that approval of the Board shall be
required for 

  

 11 

 
the payment of any amount in settlement of a claim against any such person. The foregoing right of indemnification shall not be exclusive of any other rights
of indemnification to which such persons may be entitled under the Company’s Restated Certificate of Incorporation, as amended, or otherwise, or any power that the Company may have to indemnify them or hold them harmless. 
 (e) Rights to Re-election. Nothing in the Plan shall be deemed to create any obligation on the part of the Company or the Board to nominate any
Non-Employee Director for re-election by the Company’s stockholders, nor confer upon any Non-Employee Director the right to remain a member of the Board. 
 (f) Governing law. The Plan shall be governed by and construed in accordance with the internal laws of the State of Delaware without regard to the principles of conflicts of law thereof. 
 (g) Nontransferability. Options shall not be transferable by the Participant other than by will or the laws of descent and distribution, and
Options shall during his or her lifetime be exercisable only by the Participant; provided, however, that the transfer of Options for estate planning purposes shall be allowed in accordance with applicable law. No Deferred Stock Unit
Award may be assigned or transferred, pledged or sold prior to its delivery to a Participant or, in the case of a Participant’s death, to the Participant’s legal representative or legatee or such other person designated by an appropriate
court; provided, however, that the transfer of a Deferred Stock Unit Award for estate planning purposes shall be allowed in accordance with applicable law. 
 (h) Titles and Headings. The titles and headings of the sections in the Plan are for convenience of reference only, and in the event of any conflict, the text of the Plan, rather than such titles or headings
shall control. 
 11. Changes in Capital Structure. 
 Awards granted under the Plan and any Award Agreements, the maximum number of shares of Stock subject to all Awards and the maximum number of shares of Stock subject to Deferred Stock Unit Awards shall be subject to
adjustment or substitution, as determined by the Committee in its sole discretion, as to the number, price or kind of a share of Stock or other consideration subject to such Awards or as otherwise determined by the Committee to be equitable
(i) in the event of changes in the outstanding Stock or in the capital structure of the Company by reason of stock dividends, extraordinary cash dividends, stock splits, reverse stock splits, recapitalizations, reorganizations, mergers,
consolidations, combinations, exchanges, or other relevant changes in capitalization occurring after the Date of Grant of any such Award or (ii) in the event of any change in applicable laws or any change in circumstances which results in or
would result in any substantial dilution or enlargement of the rights granted to, or available for, Participants in the Plan, or which otherwise warrants equitable adjustment because it interferes with the intended operation of the Plan. In
addition, in the event of any such adjustments or substitution, the aggregate number of shares of Stock available under the Plan and the maximum number of shares available for grant pursuant to Deferred Stock Unit Awards shall be appropriately
adjusted by the Committee, whose determination shall be conclusive. 
  

 12 

 12. Change in Control. 
 Except to the extent reflected in a particular Award Agreement, in the event of a Change in Control, (i) notwithstanding any vesting schedule, or any
other limitation on exercise or vesting, all outstanding Awards shall immediately become 100% vested and exercisable and the forfeiture provisions thereon shall lapse, and (ii) the Committee may, in its discretion and upon at least 10 days
advance notice to the affected persons, cancel any outstanding Awards and pay to the holders thereof, in a lump sum of cash or Stock, the value of such Awards based upon the highest price per share of Company Stock received or to be received by
other stockholders of the Company in connection with the Change in Control. Notwithstanding anything herein to the contrary, to the extent that any Award hereunder, either in whole or in part, is deemed to provide for the deferral of compensation
within the meaning of Section 409A, there shall be no distribution of any such deferred compensation on account of a Change in Control unless such event also constitutes a “Change in Control Event” within the meaning of
Section 409A or such distribution is otherwise allowable under Section 409A. 
 13. Amendments and Termination. 

The Board may at any time terminate the Plan; provided, however, that prior to any
such termination, the Board shall give due consideration to the impact of such termination under Section 409A. Unless sooner terminated, the Plan shall terminate on the day before the tenth (10th) anniversary of the date the Plan is adopted by the Board. No Awards may be granted under the Plan after it is terminated; provided, however, that any
Award outstanding under the Plan at the time of the termination of the Plan shall remain in effect until such Award shall have been exercised or distributed, in accordance with its terms or shall have expired. The Committee may, at any time, or from
time to time, amend or suspend and, if suspended, reinstate, the Plan in whole or in part; provided, however, that without further stockholder approval the Committee shall not make any amendment to the Plan which would
(i) materially increase the maximum number of shares of Stock which may be issued pursuant to Awards or the maximum number of shares subject to Deferred Stock Unit Awards, except as provided in Section 11, or (ii) change the class of
persons eligible to receive Awards under the Plan. 
 14. 409A.  
 To the extent that any payments or benefits provided hereunder are considered deferred compensation subject to Section 409A, the Company intends for
this Plan to comply with the standards for nonqualified deferred compensation established by Section 409A (the “409A Standards”). To the extent that any terms of the Plan would subject Participants to gross income inclusion, interest
or an additional tax pursuant to Section 409A, those terms are to that extent superseded by the 409A Standards. The Company reserves the right to amend Awards granted hereunder, without the consent of any Participant, to cause such Awards to
comply with or be exempt from Section 409A. 
 *                    *                  
  * 
 As adopted by the Board of Directors of Wyeth on January 27, 2006, subject to stockholder approval at the Annual Meeting of Stockholders
to be held on April 27, 2006. 
  

 13

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