Almere, The Netherlands - May 4, 2009 - ASM International N.V. 
(NASDAQ: ASMI and Euronext Exchange in Amsterdam: ASM) announced 
today that it has appointed Rob Ruijter to the position of interim 
Chief Financial Officer as of 15 May 2009 following the departure of 
the incumbent CFO. Mr. Ruijter will work closely with Chuck del 
Prado, ASMI Chief Executive Officer, and other senior management team 
members, but he will not be a formal member of ASMI's management 
board. 
 
Mr. Ruijter, 58 and a Dutch national, recently retired as CFO of' The 
Nielsen Company, the US-based global information and media group. He 
is a former CFO of international businesses including VNU, the media 
information and publishing group, and KLM, the Dutch national 
airline. He holds a non-executive board position at Wavin, and is 
nominated as such at Unit 4 Agresso. 
 
Mr. Ruijter's appointment as interim CFO is for the duration of the 
recruitment of a permanent CFO. ASMI expects to announce the proposed 
appointment of a permanent CFO before the end of the year. 
 
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. 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. 
Safe  Harbor Statement under the U.S. Private Securities Litigation 
Reform Act of 1995: All matters discussed in this statement, except 
for any historical data, are forward-looking statements. 
Forward-looking statements involve risks and uncertainties that could 
cause actual results to differ materially from those in the 
forward-looking statements. These include, but are not limited to, 
economic conditions and trends in the semiconductor industry 
generally and the timing of the industry cycles specifically, 
currency fluctuations, the timing of significant orders, market 
acceptance of new products, competitive factors, litigation involving 
intellectual property, shareholder and other issues, commercial and 
economic disruption due to natural disasters, terrorist activity, 
armed conflict or political instability, epidemics  and other risks 
indicated in the Company's filings from time to time with the U.S. 
Securities and Exchange Commission, including, but not limited to, 
the Company's reports on Form 20-F and Form 6-K. The Company assumes 
no obligation nor intends to update or revise any forward-looking 
statements to reflect future developments or circumstances. 
For further information, please contact: 
 
Investor contacts: 
Erik Kamerbeek 
Investor Relations 
+31 88 100 8500 
+31 (0)6 53 49 21 20 
Erik.Kamerbeek@asm.com 
 
Mary Jo Dieckhaus 
Investor Relations 
+1 212-986-290 
MaryJo.Dieckhaus@asm.com 
 
 
Media contacts: 
 
Ian Bickerton 
+31 (0)20 685 5955 
+31 (0)6 25 01 85 12 
ibickerton@huijskens.nl 
 
 
This announcement was originally distributed by Hugin. The issuer is 
solely responsible for the content of this announcement. 
 
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