6-K

FORM 6-K

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

REPORT OF FOREIGN PRIVATE ISSUER

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of April, 2005

Commission File Number 000-13355

ASM INTERNATIONAL N.V.

(Translation of registrant’s name into English)

JAN VAN EYCKLAAN 10

3723 BC BILTHOVEN

THE NETHERLANDS

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F      X            Form 40-F              

Indicate by check mark if the registrant is submitting the form 6-K in paper as permitted by Regulation S-T

Rule 101(b)(1):              

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T

Rule 101(b)(7):              

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and had not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes                      No      X    

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with

Rule 12g3-2(b): 82-                    .

Exhibits

Exhibit 99.1 Press release announcing the retirement of Robert L. de Bakker as of May 31, 2005 and appointment of Naud (A.J.M.) van der Ven as Chief Financial Officer as of June 1, 2005.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: April 4, 2005	ASM INTERNATIONAL N.V.
	/s/ Robert L. de Bakker
	Robert L. de Bakker
	Managing Director and
	Chief Financial Officer

ASM INTERNATIONAL N.V.

(THE “REGISTRANT”)

(COMMISSION FILE NO. 0-13355)

EXHIBIT INDEX

TO

FORM 6-K

DATED APRIL 4, 2004

Exhibit No.	Exhibit Description	Filed Herewith
99.1	Press release announcing the retirement of Robert L. de Bakker as of May 31, 2005 and appointment of Naud (A.J.M.) van der Ven as Chief Financial Officer as of June 1, 2005.	X

EX-99.1

EXHIBIT 99.1

MANAGEMENT CHANGE

BILTHOVEN, The Netherlands – April 4, 2005 – ASM International N.V. (ASMI) today announced that Mr. Robert L. de Bakker has elected to retire from his position as Chief Financial Officer of the Company as per May 31, 2005 and that it is proposed to appoint Mr. Naud (A.J.M.) van der Ven as its new Chief Financial Officer as per June 1, 2005.

Mr. de Bakker (54) has indicated that he intends to pursue other interests in which he expects to achieve a different balance between his private and new professional activities. On request of Mr. Arthur del Prado, Mr. de Bakker has agreed to act as an advisor to ASMI for the remainder of the year. Prior to joining ASMI in January 2001 Mr. de Bakker was a member of the Executive Boards of NKF Holding N.V. and DRAKA Holding N.V.

Mr. van der Ven (46) has had a successful career as Chief Financial Officer and Member of the Executive Board of Axxicon Group N.V., Vedior N.V. and – most recently – Novamedia Holding B.V., after initially working for McKinsey & Company. He holds an MBA from the University of Chicago, U.S.A. and a law degree from the University of Leiden, the Netherlands. Mr. van der Ven has the Dutch nationality.

In commenting on the news Arthur del Prado, ASMI’s President and CEO, stated that he respects Robert de Bakker’s decision and that he appreciates his contribution to the company’s achievements over the last four years. He looks forward to working with Naud van der Ven who brings extensive experience, which will facilitate a smooth transition.

About ASM

ASM International N.V., headquartered in Bilthoven, the Netherlands, is a global company servicing one of the most important and demanding industries in the world. The Company possesses a strong technology base, state-of-the-art manufacturing facilities, a competent and qualified workforce and a highly trained, strategically distributed support network. ASM International and its subsidiaries design and manufacture equipment and materials used to produce semiconductor devices. ASM International and its subsidiaries provide production solutions for wafer processing (Front-end segment) as well as assembly and packaging (Back-end segment) through facilities in the United States, Europe, Japan and Asia. ASM International’s common stock trades on NASDAQ (symbol ASMI) and the Euronext Amsterdam Stock Exchange (symbol ASM). For more information, visit ASMI’s website at www.asm.com

Contact:

Through Lies Rijnveld                                

Tel. +31 30 2298 506