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Exhibit 1.1
 Articles of Association and Bylaws
 of
 Pfeiffer Vacuum Technology AG,
 having its legal domicile in Asslar
 HR B 44
 as amended January 18, 2007




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Complete Wording of the Articles of Association and Bylaws
  Pfeiffer Vacuum Technology AG,
 having its legal domicile in Asslar
   I
General
 § 1
 Name, Legal Domicile
 (1)
    
    The name of the Corporation shall be:Pfeiffer Vacuum Technology AG.(2)
    
    The Corporation shall be legally domiciled in Asslar.
 § 2
 Purpose
 (1)
    
    The purpose of the Corporation shall be the development, planning, design, manufacture,
application, sale and distribution of technical plant and equipment, in particular those items
labeled Pfeiffer Vacuum Technology and trademarked Pfeiffer, as well as equity investments
in foreign and domestic.(2)
    
    The Corporation shall be entitled to operate in related areas and to conduct any and all
business related to its purpose.(3)
    
    The Corporation shall be entitled to establish branch offices in Germany and other countries.
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§ 3
 Duration of the Corporation, Fiscal Year
 (1)
    
    The Corporation shall be established to exist indefinitely.(2)
    
    The fiscal year shall be the calendar year.
 § 4
 Announcements
  II
Share Capital and Shares
 § 5
 Amount and Classification of Share Capital
 (1)
    
    The share capital of the Corporation shall amount to
 
 (In words: Twenty-two million nine hundred sixty-four thousand seven hundred and thirty-six
euros).The share capital shall be divided into 8,970,600 no-par shares of stock.(2)
    
    The form and content of both the share certificates as well as the dividend and renewal
coupons shall be stipulated by the Management Board with the consent of the Supervisory Board.(3)
    
    The Corporation shall be entitled to combine individual shares into one or more share
certificates that shall then document multiple shares (multiple-share certificates). Subject
to any requirements of the stock exchanges on which shares may be listed for trading,
Shareholders shall not be entitled to the issuance of individual share certificates.(4)
    
    In connection with an increase of capital, the eligibility of the new shares to participate
in the profits of the Corporation shall be able to be governed in a manner other than that set
forth in § 60, Stock Corporation Act (Aktiengesetz).(5)
    
    The Management Board shall be authorized, subject to the consent of the Supervisory Board, to
increase the share capital of the Company one or more times through the issuance of new no-par
bearer shares of stock in consideration of contributions in cash and/or in kind by up to a
total of  11,251,968.00 (authorized capital). Said authorization shall be valid through
June 7, 2010.
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
 Aktiengesetz
 
    
    that have been or might potentially be issued in the future to cover bonds
containing conversion or option rights if said bonds have been or will be issued
subject to the exclusion of the right of subscription analogously to § 186,
Sub-Paragraph 3, Sentence 4, German Stock Corporation Act (Aktiengesetz), under an
authorization in force at the time said authorization shall go into effect or under
an authorization replacing it;
    
    that shall be sold as treasury shares subject to the exclusion of the right of
subscription of the Shareholders pursuant to § 186, Sub-Paragraph 3, Sentence 4,
German Stock Corporation Act (Aktiengesetz) under an authorization in force at the
time said authorization shall go into effect or under an authorization replacing it.
 
  (6)
    
    The share capital shall be conditionally increased by up to  691,200.00 through the
issuance of up to 270,000 no-par bearer shares of stock (common shares). Said conditional
increase of capital shall serve to grant conversion rights to the holders of convertible bonds
issued under to the authorization adopted by the Annual Shareholders Meeting on June 6, 2000.
Said conditional increase of capital shall be implemented only to the extent that the holders
of issued convertible bonds shall exercise their conversion right. The new shares shall
participate in the profits of the Corporation for the entire fiscal year in which they were
issued through exercise of the conversion right.
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IIIManagement Board
 § 6
 Term of Office, Composition, Resolutions, Internal Rules of Procedure
 (1)
    
    Members of the Management Board shall be appointed by the Supervisory Board for a term of
office not to exceed five years. Re-appointment or extension of the term of office for no more
than five years per re-appointment or extension shall be permissible.(2)
    
    The Management Board shall comprise one or more persons. The number of members of the
Management Board shall be stipulated by the Supervisory Board pursuant to law. The Supervisory
Board shall appoint a member of the Management Board to chair the Management Board and shall
be entitled to appoint a Vice Chair of the Management Board. The Vice Chair shall represent
the Chair should the latter be unable to carry out his or her duties. The Supervisory Board
shall be entitled to appoint deputy members of the Management Board.(3)
    
    The Supervisory Board shall be entitled to enact, amend or repeal Internal Rules of Procedure
for the Management Board, including a Schedule of Responsibilities.(4)
    
    The resolutions of the Management Board shall be adopted by a simple majority vote. In the
event of a tie vote, the Chair of the Management Board shall cast the deciding vote. Subject
to the objection of any member of the Management Board, resolutions shall also be able to be
adopted through alternate means (in written, telegraphic [telegram, telex or telefax] or
telephonic form).
 § 7
 Authority to Represent
 (1)
    
    Should only one member be appointed to the Management Board, then he or she alone shall
legally represent the Corporation. Should the Management Board consist of more than one
person, the Corporation shall be legally represented by two members of the Management Board or
by one member of the Management Board together with a Senior Officer (Prokurist).(2)
    
    The Supervisory Board shall be entitled to stipulate that any or all of the members of the
Management Board be authorized to legally represent the Corporation alone.
 § 8
 Conduct of Business, Transactions Requiring Consent
 (1)
    
    The members of the Management Board shall manage the affairs of the Corporation in accordance
with law, the Articles of Association and Bylaws, as well as the Internal Rules of Procedure
for the Management Board, including the Schedule of Responsibilities.
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(2)
    
    The Supervisory Board shall be entitled to designate, in the Internal Rules of Procedure for
the Management Board or by resolution, any transactions which shall require its consent.
 IV
Supervisory Board
 § 9
 Composition of the Supervisory Board
 (1)
    
    The Supervisory Board of the Corporation shall comprise six members.(2)
    
    Unless otherwise stipulated through the election resolution of the Annual Shareholders
Meeting, members of the Supervisory Board shall be elected for a term which shall end upon the
adjournment of the Annual Shareholders Meeting ratifying the actions of these members for the
fourth fiscal year following the year of their election, however not including the year of
their election.(3)
    
    It shall be possible to elect alternates for members of the Supervisory Board who retire
prior to the end of their term of office, whereby said alternates shall assume office on the
basis of the order stipulated in connection with their election and shall serve for the
remainder of the term of office to have been served by the retiring members of the Supervisory
Board.(4)
    
    At its first meeting after being elected, the Supervisory Board shall elect from among its
membership a Chair and a Vice Chair. The election shall be effective for duration of the term
of office of the person elected.(5)
    
    Any member of the Supervisory Board shall be entitled to retire from his or her office at any
time with written notice being provided to the Management Board four weeks in advance, as well
as notification of the Chair of the Supervisory Board.(6)
    
    Should a member of the Supervisory Board be newly elected to take the place of a member
retiring prior to the end of his or her term of office, the new member shall hold office for
the remainder of the term of office of said retiring member of the Supervisory Board. Should
said retiring member be replaced by an alternate member, the term of office of said alternate
member shall end upon the adjournment of the next Annual Shareholders Meeting at which a new
member of the Supervisory Board shall be elected pursuant to Sentence 1, hereunder.(7)
    
    Should the One-Third Participation Act (Drittelbeteiligungsgesetz)or the Co-Determination
Act (Mitbestimmungsgesetz) mandate that employees be represented on the Supervisory Board,
they shall be elected in accordance with the provisions of applicable law.
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§ 10
 Convocation, Resolutions, Internal Rules of Procedure
 (1)
    
    The Supervisory Board shall adopt Internal Rules of Procedure for itself.(2)
    
    The meetings of the Supervisory Board shall be convened in writing by its Chair with a term
of notice of not less than fourteen days. The day on which the notice is sent and the day of
the meeting shall not be included in calculated said term of notice. The individual items of
the agenda shall be indicated in the notice. In urgent cases, said term of notice shall be
able to be shortened or the meeting shall be able to be convened telegraphically,
telephonically or through other electronic means of telecommunication.(3)
    
    Resolutions of the Supervisory Board shall be adopted at meetings. Upon the instruction of
the Chair of the Supervisory Board, resolutions shall also be able to be adopted in written
form, telegraphically or through other electronic means of telecommunication if no member
shall promptly object to said method. Members of the Supervisory Board attending via telephone
or videoconference shall be deemed to be in attendance.(4)
    
    The Supervisory Board shall constitute a quorum if at least one half of its members vote on a
resolution. Absent members of the Supervisory Board shall be entitled to vote on resolutions
by having attending members of the Supervisory Board submit their written votes.(5)
    
    Unless otherwise mandated by law, resolutions shall be adopted by a simple majority of the
votes cast.(6)
    
    Meetings of the Supervisory Board shall normally be conducted quarterly. Further meetings of
the Supervisory Board shall be convened at any time if necessitated by the affairs of the
Corporation.(7)
    
    The members of the Management Board shall attend and advise at meetings of the Supervisory
Board unless the personal affairs of a member of the Management Board shall justify an
exception thereto.In individual instances, the Chair of the Supervisory Board or the Supervisory Board itself
shall be entitled to exclude said participation.
 § 11
 Compensation of the Members of the Supervisory Board
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VAnnual Shareholders Meeting
 § 12
 Venue, Convening of and Attendance at the Annual Shareholders Meeting
 (1)
    
    The Annual Shareholders Meeting shall be conducted at the legal domicile of the Corporation,
in Wetzlar or Giessen, or at the legal domicile of a German stock exchange on which the shares
are listed for trading.(2)
    
    The Annual Shareholders Meeting shall be convened by the Management Board or, where mandated
by law, by the Supervisory Board.(3)
    
    Notification of said convocation, including notification of the agenda, shall be made in the
Electronic Federal Gazette (elektronischer Bundesanzeiger) at least 30 days prior to the
expiration of the deadline by which Shareholders shall register for the Annual Shareholders
Meeting.(4)
    
    Only those Shareholders who have registered with the Company, or with an office set forth in
the notice of convocation, in writing, by telefax or in authenticated electronic form
(Textform) (§ 126 b, German Civil Code [BGB]) by no later than the seventh day prior to
the date of the Annual Shareholders Meeting shall be entitled to attend the Annual
Shareholders Meeting, to exercise their voting rights and to make formal motions. Said
registration shall be effected in either the German or English language.(5)
    
    Certification regarding shareholdings issued in authenticated electronic form (§ 126 b,
German Civil Code) in either the German or English language by the bank or financial
institution at which the custody account is maintained shall entitle the Shareholder to attend
the Annual Shareholders Meeting and exercise his or her voting rights. Said certification
shall reference the beginning of the 21st day prior to the Annual Shareholders Meeting and
shall be received by the Company or by an office that is set forth in the Notice of Annual
Shareholders Meeting by no later than the seventh day prior to the date of the Annual
Shareholders Meeting.(6)
    
    A Shareholder shall be entitled to be represented by proxy at the Annual Shareholders
Meeting. The legally prescribed form of proxy document shall be applicable for granting the
proxy. Proxies which the Shareholder shall submit to the Corporation or to a proxy
representative designated by the Shareholder shall also be able to be issued via telefax or
another electronic form defined in the notice of the Annual Shareholders Meeting. The details
thereof shall be announced in the notice of the Annual Shareholders Meeting.(7)
    
    The members of the Management and Supervisory Boards should attend the Annual Shareholders
Meeting in person. Should it not be possible for a member of the Supervisory Board to be
physically present at the venue of the Annual Shareholders Meeting, in particular because of
said members physical presence with good reason outside Germany, said member shall be able to
attend the Annual Shareholders Meeting via video or audio transmission.
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§ 13
 Voting Rights
  § 14
 Chair and Resolutions
 (1)
    
    The Annual Shareholders Meeting shall be chaired by the Chair of the Supervisory Board or by
another person to be designated by the Supervisory Board. The Chair shall be entitled to allow
transmission of any or all of the Annual Shareholders Meeting, participation in voting or the
exercise of further rights of participation of the Shareholders by means of electronic or
other media to the extent permissible by law. Video and/or audio transmission of the Annual
Shareholders Meeting shall also be able to be effected in a form which provides unrestricted
access for the general public. The form of transmission shall be announced in the notice of
the Annual Shareholders Meeting.(2)
    
    Unless a higher majority shall be mandated by law, resolutions of the Annual Shareholders
Meeting shall be adopted by a simple majority of the votes cast. Should the Stock Corporation
Act (Aktiengesetz) additionally require that a majority of the share capital represented at
the Annual Shareholders Meeting vote for a resolution, a simple majority of said share capital
represented shall suffice if permissible under law.(3)
    
    Should a simple majority vote fail to be achieved in a first round of election voting, a
runoff election shall be conducted between the two persons receiving the greatest number of
votes cast. Said runoff election shall be decided by the highest number of votes cast, with
the Chair of the Annual Shareholders Meeting conducting the tie-breaking drawing in the event
of a tie vote.
 § 15
 Regular Annual Shareholders Meeting
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VIOther Provisions
 § 16
 Reserves
 (1)
    
    If the Management and Supervisory Boards have formally adopted the annual financial
statements, they shall be entitled to appropriate up to one half of the net income of the
Corporation to other revenue reserves; they shall additionally be empowered to appropriate up
to another one half of net income to other revenue reserves as long as the other revenue
reserves do not exceed, or would not exceed subsequent to the appropriation, one half of the
share capital of the Corporation.(2)
    
    Appropriations to the statutory reserves and losses carried forward from prior years shall be
deducted in advance of the calculation of that portion of net income to be appropriated to
other revenue reserves pursuant to Sub-Paragraph 1, hereunder.
 § 17
 Amendments to the Articles of Association and Bylaws
  § 18
 Transformation Expenses
 Umwandlungsgesetz Gesellschaft mit beschränkter Haftung Aktiengesellschaft
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