ASM International N.V. Announces Availability and Timing of the 2009 Second Quarter Results Conference Call and Web Cast

ALMERE, The Netherlands - July 16, 2009 - ASM International N.V. (NASDAQ: ASMI and Euronext Exchange in Amsterdam: ASM) will report operating results for the 2009 second quarter and six months on Wednesday, July 29, 2009 at approximately 18:00 Continental European Time (12:00 noon US Eastern Time). ASM International will host an investor conference call and web cast on Thursday, July 30, 2009 at 15:00 Continental European Time (9:00 a.m. US Eastern Time). The teleconference dial-in numbers are as follows: United States - +1 866.966.5335 International - + 44 (0)20 3023 4456 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 August 13, 2009. The replay dial-in numbers are: United States - +1 866.583.1035 International - + 44 (0)20 8196 1998 Access Code: 117327# About ASM International ASM International N.V., headquartered in Almere, the Netherlands, 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. Contacts: Lies Rijnveld +31 (0)88100 8506 Mary Jo Dieckhaus +1 212 986 2900 This announcement was originally distributed by Hugin. The issuer is solely responsible for the content of this announcement.