ASM International N.V. First Quarter 2003 Operating Results Release and Conference Call/Web Cast Dates


BILTHOVEN, The Netherlands - April 14, 2003 - ASM International N.V. (Nasdaq: ASMI and the Euronext Exchange in Amsterdam: ASM) will report first quarter 2003 operating results on Tuesday, April 22, 2003 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 Wednesday, April 23, 2003 at 9:00 a.m. US Eastern time (15:00 Continental European time). 
The teleconference dial-in numbers are as follows:
United States  --   +1 800.237.9752
International   --   +1 617.847.8706 
The participant pass code is 289753
A simultaneous audio web cast will be accessible at www.asm.com and www.companyboardroom.com
The teleconference will be available for replay for 48-hours, beginning one hour after completion of the live broadcast.
The replay dial-in numbers are:
            United States  --  +1 888.286.8010
            International   --  +1 617.801.6888
            The participant pass code is 9344091
About ASM
ASM International N.V. is headquartered in Bilthoven, the Netherlands. ASM International is a global company, serving one of the most important and demanding industries in the world. The Company possesses a strong technological base, state-of-the-art manufacturing facilities, a competent and qualified workforce and a highly trained, strategically distributed support network. ASM International's subsidiaries design and manufacture equipment and materials used to produce semiconductor devices. ASM International and its subsidiaries provide production solutions for wafer processing, assembly and packaging through their facilities in the United States, Europe, Japan and Asia. ASM International's common stock shares trade on Nasdaq (symbol ASMI) and the Euronext Stock Exchange in Amsterdam (symbol ASM).  For more information, visit ASM's web site at http://www.asm.com.