ASM International N.V. 2006 First Quarter Results Release and Conference Call/Web Cast Dates

BILTHOVEN, The Netherlands - April 10, 2006 - ASM International N.V. (NASDAQ: ASMI and Euronext Exchange in Amsterdam: ASM) will report operating results for the first quarter, ended March 31, 2006, on Wednesday, April 26, 2006 at approximately 12:00 noon US Eastern Time (18:00 Continental European time).

ASM International will host an investor conference call and web cast on Thursday, April 27, 2006 at 9:00 a.m. US Eastern time (15:00 Continental European time).
The teleconference dial-in numbers are as follows:
United States - +1 800.299.6183
International - +1 617.801.9713
The participant pass code is 126 83 320
A simultaneous audio web cast will be accessible at www.asm.com.
The teleconference will be available for replay, beginning one hour after completion of the live broadcast through May 11, 2006.
The replay dial-in numbers are:
United States - +1 888.286.8010
International - + 1 617.801.6888
The participant pass code is 360 33 183

About ASM International
ASM International N.V. and its subsidiaries design and manufacture equipment and materials used to produce semiconductor devices. The company provides 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 web site at www.asm.com.

Contact Information

Mary Jo Dieckhaus

ASM International N.V.

Contact via E-mail