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Exhibit 1.1




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Articles of Incorporation of Bayer Aktiengesellschaft
 Section I
 General Provisions
 Article 1 Name and Registered Office
 (1)
    
    The name of the Company is Bayer Aktiengesellschaft.(2)
    
    The registered office of the Company is in Leverkusen.
 Article 2 Object of the Company
 (1)
    
    The object of the Company is the manufacturing, marketing and other industrial activities or
provision of services in the fields of health care, agriculture, polymers and chemicals.(2)
    
    The Company may undertake all business which is related to, or directly or indirectly serves,
the object of the Company.(3)
    
    The Company may establish, acquire or take participating interests in other companies, in
particular those whose objects fully or partially cover the aforementioned areas. It may bring
companies in which it holds participating interests under its uniform control, or confine
itself to the administration thereof. It may transfer their operations in full or in part to
newly established or existing subsidiaries.
 Article 3 Fiscal Year, Notices, Place of Jurisdiction
 (1)
    
    The fiscal year shall be the calendar year.(2)
    
    Notices of the Company are published in the electronic Gazette of the Federal Republic of
Germany (elektronischer Bundesanzeiger).(3)
    
    The place of jurisdiction for all disputes between the Company and stockholders shall be the
location of the Companys registered office. Foreign courts shall have no jurisdiction with
respect to such disputes.




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Section II
 Capital Stock and Shares
 Article 4 Capital Stock
 (1)
    
    The capital stock amounts to
1,956,715,315,315.20 and is divided into 764,341,920 bearer shares (no-par shares).(2)
    
    With approval of the Supervisory Board and until April 27, 2011, the Board of Management is
authorized to increase the Capital Stock in one or more installments by issuing new bearer
non-par stock by up to a total amount of Euro 465,000,000.00. The issue of new bearer non-par
stock may take place in exchange for cash and/or contributions in kind whereby a capital
increase in exchange for contributions in kind may only take place for a total amount of up to
Euro 370,000,000.00 (Authorized Capital I). In such cases, the stockholders shall be granted
subscription rights. Subject to the approval of the Supervisory Board, the Board of Management
shall however be authorized to exclude the subscription right of
stockholders for any excess shares remaining after rights have been allocated (fractional amounts) and be authorized to
exclude subscription rights to the extent necessary to grant subscription rights for new stock
to holders of bonds issued by the Company or its group companies having conversion rights or
attached warrants or obligatory conversion rights to the extent bondholders were entitled to
subscription rights upon exercise of their conversion right or warrant or obligatory
conversion right. Moreover, the Board of Management shall be authorized subject to the
approval of the Supervisory Board to exclude subscription rights if the increase in capital is
in exchange for contributions in kind for purposes of acquiring companies, parts of companies,
or participations in companies or other assets. Subject to the approval of the Supervisory
Board, the Board of Management shall determine the rights to be embodied in such new shares
and their conditions of issuance including the issue price.(3)
    
    The Board of Management is authorized to increase capital up to a total amount of Euro
98,960,000.00 in one or more installments until April 27, 2011 with approval of the
Supervisory Board by issuance of new bearer non-par stock in exchange for cash contributions
(Authorized Capital II). In such case, the stockholders shall be granted subscription rights.
In case of singular or repeated exercise of the Authorized Capital II and with




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approval of the Supervisory Board, the Board of Management is however authorized to exclude
subscription rights of the stockholders in an amount of the capital increase not exceeding
10 % of the capital stock existing at the time this authorization becomes effective and
existing at the time this authorization is exercised for purposes of issuing new stock in
exchange for cash contributions at an issue price not materially below the market price of
the Companys stock already listed on the stock exchange at the time the issue price is
finally determined. Stock which was acquired on the basis of an authorization of the
Stockholders Meeting and is sold pursuant to § 71 (1) No. 8 sentence 5 of the German Stock
Corporation Act (Aktiengesetz) in conjunction with § 186 (3) sentence 4 of the German Stock
Corporation Act (Aktiengesetz) during the term of this authorization shall apply towards the
above-mentioned 10 % limit. Moreover, those stocks shall be applied towards this limit which were or are to
be issued in satisfaction of bonds with conversion rights or attached warrants or which are
obligatory conversion rights if the bond was issued during the term of this authorization
subject to exclusion of the subscription rights under analogous application of § 186 (3)
sentence 4 of the German Stock Corporation Act (Aktiengesetz). Subject to consent of the
Supervisory Board, the Board of Management shall decide on the content of the stock rights
and further conditions of the stock issuance including the issue price.(4)
    
    The capital stock is conditionally increased by an additional 186,880,000, divided into no
more than 73,000,000 bearer shares (Contingent Capital). The increase shall be implemented
only to the extent that holders of subscription or conversion rights based on such warrant
bonds or convertible bonds as may be issued or guaranteed  under the authorization granted to
the Board of Management by the resolution of the Annual Stockholders Meeting on April 30,
2004  by Bayer AG or by a Bayer Group company, as defined in Article 18 of the German Stock
Corporation Act (Aktiengesetz), in which Bayer owns a direct or indirect interest of at least
90 percent, choose to exercise their subscription or conversion rights, or persons obligated
to exercise such rights discharge that obligation. Such new shares shall be issued in
accordance with the aforementioned authorization on the basis of the subscription or
conversion price set and shall have profit participation rights beginning in the fiscal year
in which they were issued as a result of the voluntary or obligatory exercise of subscription
or conversion rights. The Board of Management is authorized, subject to the approval of the
Supervisory




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Board, to stipulate
any additional details concerning the implementation of the conditional capital increase.(5)
    
    When the capital stock is increased, the manner in which the new shares participate in the
profits may be different than that specified in Article 60 of
the German Stock Corporation Act (Aktiengesetz).
 Article 5 Shares
 (1)
    
    Stockholders shall not have the right to demand the issuance of share certificates.(2)
    
    The Board of Management shall have the right to decide on any issuance of share certificates
and all the details thereof.
 Section III
 Constitution
 A.
    
    The Board of Management
 Article 6 Composition, Rules of Procedure
 (1)
    
    The Board of Management shall consist of at least two members. The number of members of the
Board of Management shall otherwise be determined by the Supervisory Board. The Supervisory
Board may appoint one member of the Board of Management to be Chairman of the Board of
Management and one member of the Board of Management to be Vice Chairman of the Board of
Management.(2)
    
    The Board of Management may, by unanimous resolution, decide on its own Rules of Procedure if
these have not been issued for the Board of Management by the Supervisory Board.
 Article 7 Power of Representation
 Prokurist




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B.
    
    The Supervisory Board
 Article 8 Composition, Election, Term of Office
 (1)
    
    The Supervisory Board shall consist of 20 members. Ten members shall be elected by the Annual
Stockholders Meeting in accordance with the provisions of the
German Stock Corporation Act
(Aktiengesetz), and ten by the employees in accordance with the provisions of the
Codetermination Act (Mitbestimmungsgesetz) of May 4, 1976.(2)
    
    The members of the Supervisory Board shall be elected for a term extending to the end of the
Annual Stockholders Meeting which resolves on the ratification of the actions of the
Supervisory Board undertaken in the fourth fiscal year after its election. For this purpose,
the fiscal year in which the term of office begins shall not be counted.(3)
    
    The Annual Stockholders Meeting may, at the same time as it elects the members of the
Supervisory Board, elect one or more substitute members. The substitute members shall replace
members who have ceased to be members of the Supervisory Board, for the remainder of their
terms of office. The election of substitute members for the employee representatives on the
Supervisory Board shall take place in accordance with the provisions of the Codetermination
Act.(4)
    
    If a member of the Supervisory Board elected by the Annual Stockholders Meeting ceases to be
a member of the Supervisory Board before the end of his or her term of office and if no
elected substitute member is available, an election shall be held to determine a successor.
Such successor shall be a member for the remainder of the term of office of the member who has
left the Supervisory Board prematurely unless he or she is specifically elected for a shorter
term.(5)
    
    Members of the Supervisory Board may resign at any time by giving notice in writing to the
Chairman of the Supervisory Board or to the Board of Management, subject to two weeks notice.
Dismissal of a member of the Supervisory Board elected by the stockholders shall require a
majority of at least three quarters of votes cast.




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Article 9 Chairman and Vice Chairman
 (1)
    
    The Supervisory Board shall elect a Chairman and a Vice Chairman from among its members. The
election shall take place in accordance with the provisions of the Codetermination Act.(2)
    
    Unless a shorter term of office is determined at the time of their election, the Chairman and
Vice Chairman of the Supervisory Board shall be elected as Chairman and Vice Chairman
respectively for the duration of their membership of the Supervisory Board. This election
shall take place at a meeting which, without having to be separately convened, shall take
place immediately after the Annual Stockholders Meeting during which elections to the
Supervisory Board were held.(3)
    
    If the Chairman or the Vice Chairman of the Supervisory Board ceases to be a member before
expiry of his or her term of office, the Supervisory Board shall elect a successor at its next
meeting. If the Chairman of the Supervisory Board ceases to be a member, such meeting shall be
convened by the Vice Chairman.(4)
    
    The Vice Chairman shall only acquire the rights and obligations of the Chairman if the latter
is unable to attend and if those rights and obligations are, in this event, explicitly
assigned to the Vice Chairman by law or under these Articles of Incorporation.
 Article 10 Convening of Meetings and Passing of Resolutions
 (1)
    
    The Chairman of the Supervisory Board shall convene and chair the meetings of the Supervisory
Board. The Supervisory Board shall meet twice per calendar half-year. It shall also meet if
required by law or if deemed appropriate for business reasons.(2)
    
    The members of the Board of Management may attend meetings of the Supervisory Board unless
the Chairman of the Supervisory Board determines otherwise.(3)
    
    The Supervisory Board shall constitute a quorum if at least one half of the number of members
of which it is required to consist participate in voting. A member also participates in the
passing of the resolution if he




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abstains from voting. Absent members of the Supervisory Board may participate in the passing of a
resolution if they arrange for written votes to be cast by other members of the Supervisory
Board. A vote sent by fax or by another commonly used means of communication shall also be
deemed to be a written vote.(4)
    
    If, at a meeting of the Supervisory Board, the number of stockholder representatives and the
number of employee representatives who participate in voting are not equal, a revote shall be
taken if so requested by two members of the Supervisory Board. Such revote shall be taken at
the next regular meeting, unless a special meeting of the Supervisory Board is convened.
Thereafter, no further revote shall be permitted to take place at the request of only a
minority of the members.(5)
    
    At the instigation of the Chairman, the Supervisory Board may also pass resolutions by
casting votes verbally, by telephone, in writing, by fax, or via another common communication
medium. Such resolutions shall be confirmed in writing by the Chairman and recorded in the
minutes of the next meeting.(6)
    
    Resolutions of the Supervisory Board shall be passed by a majority of the votes cast, except
where otherwise provided by law. In case of a tie, the Chairman of the Supervisory Board shall
have the casting vote, if the stalemate continues after a second voting on the same subject
matter.(7)
    
    Minutes of the deliberations and resolutions of the Supervisory Board are to be recorded and
filed. They must be signed by the Chairman.(8)
    
    Declarations of intent by the Supervisory Board and its committees shall be made by the
Chairman on behalf of the Supervisory Board. The Chairman, but not the other members, shall be
authorized to receive declarations on behalf of the Supervisory Board.(9)
    
    The Supervisory Board may resolve amendments to these Articles of Incorporation which relate
solely to their wording.
 Article 11 Rules of Procedure and Committees
 (1)
    
    The Supervisory Board shall decide on its own Rules of Procedure.




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(2)
    
    In addition to the committee pursuant to Article 27 paragraph 3 of the Codetermination Act,
the Supervisory Board may establish other committees and appoint members of the Supervisory
Board to such committees. Decision-making powers may be assigned to the committees as
permitted by law.(3)
    
    The rules set out under Article 10 shall apply similarly to the committees. The committee may
elect a Chairman from among its members if one has not been appointed by the Supervisory
Board. If a committee vote is a tie and a second vote on the same resolution again produces a
tie, the Chairman of the committee shall have a second vote. The Supervisory Board may
regulate the activities of the committees in its Rules of Procedure.
 Article 12 Remuneration of the Supervisory Board
 (1)
    
    Apart from reimbursement of his or her expenses, each member of the Supervisory Board shall
receive a fixed annual remuneration in the amount of 60,000 and a variable annual
remuneration. The variable annual remuneration shall be 2,000 for every 50,000,000 or part
thereof by which the gross cash flow as reported in the consolidated group financial
statements of the recent fiscal year exceeds 3,100,000,000, provided that the variable annual
remuneration in total may not exceed 30,000.(2)
    
    The Chairman shall receive three times the amount stated in para. 1, the Vice Chairman shall
receive one-and-a-half times the amount stated in para 1. Members of the Supervisory Board who
also are members of a committee shall receive an additional quarter of the amount stated in
para. 1. Members of the Supervisory Board who also are members of a committee shall receive an
additional quarter of the amount stated in para. 1. A member of the Supervisory Board,
however, shall not receive in total an annual remuneration exceeding three times the aggregate
annual amount stated in para 1.(3)
    
    Supervisory Board members who have been members of the Supervisory Board or of one of its
committees or who have chaired one of its committees for only a part of the fiscal year shall
receive a lower remuneration on a pro rata basis.(4)
    
    The Company shall reimburse to the Supervisory Board members the expenses incurred through
the exercise of their office, including any turn-




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over tax (value added tax) payable based on their remuneration and on the reimbursement of their
expenses.(5)
    
    The Company may purchase liability insurance for the members of the Supervisory Board to
cover their legal liability arising from their activities as members of the Supervisory Board.
 C.
    
    The Annual Stockholders Meeting
 Article 13 Place of the Annual Stockholders Meeting
  Article 14 Notice of the Annual Stockholders Meeting
 elektronischer Bundesanzeiger
 Article 15 Right of Attendance
 (1)
    
    Only those stockholders are entitled to attend the Annual Stockholders Meeting and to
exercise voting rights who at latest upon the end of the seventh day before the day of the
Annual Stockholders Meeting register in text form in either the German or English language.(2)
    
    Further, stockholders are required to provide evidence of their entitlement to attend the
Annual Stockholders Meeting and to vote. This requires certification in text form showing
ownership of stock to be issued by the depositary bank or financial service institution.
Certification must be either in the German or English language and refer to the start of the
twenty-first day before the day of the Annual Stockholders Meeting.




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(3)
    
    If the proxies appointed by the Company are authorized to exercise voting rights, the
necessary power of attorney may be granted in writing, by facsimile, or electronic means, in a
manner to be specified by the Company on each occasion. The details relating to the granting
of such powers of attorney shall appear in the publications used by the Company for its
notices together with the Notice of the Annual Stockholders Meeting.
 Article 16 Conduct of the Annual Stockholders Meeting
 (1)
    
    The Annual Stockholders Meeting shall be chaired by the Chairman of the Supervisory Board
or, if the Chairman is unable to attend, by another member representing the stockholders, to
be nominated by the Chairman. In the event that neither the Chairman nor a member of the
Supervisory Board designated by him chairs the Meeting, the stockholder representatives in
attendance shall elect a Chairman for the Meeting by a simple majority of the votes cast.(2)
    
    The Chairman of the Annual Stockholders Meeting shall preside over the discussions and shall
determine the sequence of items for deliberation and the nature and form of voting. The result
of the vote may also be ascertained by deducting the number of yes or no votes and abstentions
from the total number of votes held by those entitled to vote.(3)
    
    The chairman is entitled to set reasonable time limits on the right of the stockholders to
speak and pose questions. In particular, he may at the beginning or during the Stockholders
Meeting set reasonable time frames for the course of the Stockholders Meeting, for the
comments on the specific agenda items, or for the specific questions and speeches.(4)
    
    The Stockholders Meeting may be transmitted in whole or in parts in sound and vision. The
details of the transmission in sound and vision shall be published together with the convening
of the Stockholders Meeting in the Legal Gazette of the Company.




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Article 17 Resolutions
 (1)
    
    Each share carries the right to one vote at the Annual Stockholders Meeting.(2)
    
    Unless otherwise provided by these Articles of Incorporation or by law, resolutions of the
Annual Stockholders Meeting shall be passed by a simple majority of the votes cast and, where
a capital majority is required in addition, by a simple majority of the capital stock
represented when the vote is taken.
 Section IV
 Annual Financial Statements and Distribution of the Profit
 Article 18 Annual Financial Statements
 (1)
    
    The Board of Management shall prepare the annual financial statements and management report
of Bayer AG, along with the annual financial statements and management report of the Bayer
Group, for the preceding fiscal year within the statutory deadline and shall submit them
immediately after their preparation to the Supervisory Board and to the auditors. The Board of
Management shall at the same time submit to the Supervisory Board a proposal for distribution
of the balance sheet profit.(2)
    
    The annual financial statements of Bayer AG and those of the Bayer Group shall be prepared in
accordance with the statutory provisions and accepted accounting principles.(3)
    
    The Board of Management and the Supervisory Board shall be authorized, when confirming the
annual financial statements, to allocate the net income remaining after deduction of the
amounts to be allocated to the statutory reserve, plus any loss carryforward, in part or in
full to other retained earnings. The allocation of an amount greater than one half of the
net income for the year shall not be permissible if as a result of such transfer the other
retained earnings would exceed one half of the capital stock.




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Article 19 Distribution of the Balance Sheet Profit
 (1)
    
    The Annual Stockholders Meeting shall resolve annually, during the first eight months of the
fiscal year, on the ratification of the actions of the members of the Board of Management and
the Supervisory Board, the distribution of the balance sheet profit and the appointment of
auditors (Annual Stockholders Meeting).(2)
    
    The balance sheet profit shall be distributed equally among the stockholders, unless the
Annual Stockholders Meeting resolves to use it in some other manner.(3)
    
    The Stockholders Meeting may decide to distribute the balance sheet profit partly or in
total to the stockholders by way of distribution in kind.