ASM share buyback update June 9 – 13, 2025

June 16, 2025, 5:45 p.m. CET ASM International N.V. (Euronext Amsterdam: ASM) reports that no transactions were executed under ASM's current share buyback program in the week June 9 – 13, 2025. For further details including individual transaction information please visit:www.asm.com/investors/dividends-share-buybacks.About ASM InternationalASM International N.V., headquartered in Almere, the Netherlands, and its subsidiaries design and manufacture equipment and process solutions to...

June 16, 2025, 5:45 p.m. CET

ASM International N.V. (Euronext Amsterdam: ASM) reports that no transactions were executed under ASM's current share buyback program in the week June 9 – 13, 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.

Contact Investor and media relations Victor Bareño T: +31 88 100 8500 E: [email protected]

Investor relations Valentina Fantigrossi T: +31 88 100 8502 E: [email protected]

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• 20250616 ASM Share Buyback Update June 9 - 13, 2025