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 May, 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 Mr. Haijo D.J. Pietersma’s decision to continue his career outside of ASM International N.V.

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: May 10, 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 MAY 10, 2005

Exhibit No.	Exhibit Description	Filed Herewith
99.1	Press release announcing Mr. Haijo D.J. Pietersma’s decision to continue his career outside of ASM International N.V.	X

EX-99.1

EXHIBIT 99.1

ASM International N.V.

MANAGEMENT CHANGE

Bilthoven, The Netherlands – May 10, 2005 – ASM International N.V. (NASDAQ: ASMI; Euronext Amsterdam: ASM) today announced that Mr. H. (Haijo) D.J. Pietersma has decided to continue his career outside ASMI.

Mr. Pietersma joined the company in September 2002 as Deputy to the CEO and was appointed in the Management Board as per May 2003.

We at ASMI wish Haijo Pietersma much success in his future career.

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