ASM International N.V.

Transaction in Own Shares • Jul 8, 2025

Almere, The Netherlands July 7, 2025, 5:45 p.m. CET

ASM share buyback update June 30 – July 4, 2025

ASM International N.V. (Euronext Amsterdam: ASM) reports that no transactions were executed under ASM's current share buyback program in the week June 30 – July 4, 2025.

For further details including individual transaction information please visit: www.asm.com/investors/dividends-share-buybacks.

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 www.asm.com.

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

Contacts

Investor and media relations Investor relations Victor Bareño Valentina Fantigrossi T: +31 88 100 8500 T: +31 88 100 8502

E: investor.relations@asm.com E: investor.relations@asm.com