ASM International : NOMINATES NEW SUPERVISORY BOARD MEMBER

Almere, The Netherlands
April 13, 2018

ASM International N.V. (Euronext Amsterdam: ASM) today announces the nomination of Mr. Marc de Jong for appointment to its Supervisory Board.

Taking due account of the profile of the Supervisory Board, the Supervisory Board proposes to appoint Mr. Marc de Jong during the Annual General Meeting of May 28, 2018, as a member of the Supervisory Board for a term of four years expiring on the date of the Annual General Meeting of 2022.

Mr. De Jong is currently the CEO of LM Wind Power A/S, which produces and sells worldwide wind turbine blades. In 2015 he joined this company, which was acquired by GE in April 2017 and has been integrated as part of GE's Renewable Energy division. Following the integration Mr. De Jong has decided to leave LM Wind Power as per April 30, 2018. Mr. De Jong had an extensive career with Philips until 2013; he then was a member of the Royal Philips Group Management Committee and the executive responsible for the business group Professional Lighting Solutions of Philips Lighting. Before that he was a member of the executive management team of NXP Semiconductors, responsible for the Automotive and Identification businesses. During his career at Philips he also worked with Philips Electron Optics / FEI  Electromicroscope.

In his roles with NXP Semiconductors and Philips Lighting Mr. De Jong has gathered extensive knowledge about and experience with the semiconductor industry. He holds a masters in Physics and Mathematics from the Free University of Amsterdam and an executive MBA from the University of Rotterdam (Erasmus) and Rochester (USA).

Mr. De Jong was in the past a member of several supervisory boards (among which Philips EUV (joint venture between ASML, Fraunhofer and Philips) and the Technical University of Eindhoven) and is currently a supervisory board member of the German based company First Sensor AG,  the Danish based company Nissens A/S, and Dutch based Sioux B.V.

About ASM International

ASM International NV, headquartered in Almere, the Netherlands, its subsidiaries and participations design and manufacture equipment and materials used to produce semiconductor devices. ASM International, its subsidiaries and participations provide production solutions for wafer processing (Front-end segment) as well as for assembly & packaging and surface mount technology (Back-end segment) through facilities in the United States, Europe, Japan and Asia. ASM International's common stock trades on the Euronext Amsterdam Stock Exchange (symbol ASM). For more information, visit ASMI's website at www.asm.com.

Cautionary Note Regarding Forward-Looking Statements: All matters discussed in this press release, 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, corporate transactions, financing and liquidity matters, the success of restructurings, the timing of significant orders, market acceptance of new products, competitive factors, litigation involving intellectual property, shareholders or 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 reports and financial statements. The Company assumes no obligation nor intends to update or revise any forward-looking statements to reflect future developments or circumstances.

This press release contains inside information within the meaning of Article 7(1) of the EU Market Abuse Regulation.

CONTACT

Investor contact:

Victor Bareño

T: +31 88 100 8500

E: victor.bareno@asm.com

Media contact:

Ian Bickerton

T: +31 625 018 512