Almere, the Netherlands
March 31, 2023

ASM International N.V. (Euronext Amsterdam: ASM) today announces that the information regarding the Annual General Meeting scheduled for May 15, 2023 (AGM), is now available on the Company's website. This information includes the convocation, the agenda and annexes thereto. The U.S. market proxy materials for holders of New York Registry Shares are also posted on our website.

The AGM will commence at 2:00 p.m. CET.

The AGM can be attended in person by shareholders. Our shareholders are also offered the possibility to exercise their voting rights by proxy and to follow (view and hear only) the meeting through our live webcast.
The agenda for the AGM includes, amongst others, a change of the remuneration policy for the Management Board, approval of the proposal to declare a regular dividend of €2.50 per common share, approval of reappointment of KPMG Accountants N.V. for the financial year 2023 and the financial year 2024 and approval of the annual accounts of 2022.

In accordance with applicable legal requirements in the Netherlands the record date for the AGM is April 17, 2023. The total number of issued shares in ASM International N.V. as per today amounts to 49,348,548 common shares. Considering the number of shares held in treasury as per today, amounting to 10,476 shares, the number of voting shares amounts to 49,338,072.

About ASM International
ASM International N.V., headquartered in Almere, the Netherlands, and its subsidiaries design and manufacture equipment and process solutions to produce semiconductor devices for wafer processing, and have facilities in the United States, Europe, and Asia. ASM International's common stock trades on the Euronext Amsterdam Stock Exchange (symbol ASM). For more information, visit ASM's website at .

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, changes in import/export regulations, 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.

CONTACT

Investor and Media contact:
Victor Bareño
T: +31 88 100 8500
E: investor.relations@asm.com