ASM share buyback update June 24

ASM share buyback update June 24 – 28, 2024

Almere, The Netherlands July 1, 2024, 5:45 p.m. CET

ASM International N.V. (Euronext Amsterdam: ASM) reports the following transactions, conducted under ASM's current share buyback program.

Date	Repurchased shares	Average price	Repurchased value
June 24, 2024	150	€ 704.05	€ 105,608
June 25, 2024	150	€ 686.69	€ 103,003
June 26, 2024	150	€ 702.00	€ 105,301
June 27, 2024	150	€ 701.84	€ 105,276
June 28, 2024	150	€ 706.46	€ 105,969
Total	750	€ 700.21	€ 525,157

These repurchases were made as part of the €150 million share buyback program which started on May 15, 2024. Of the total program, 39.4% has been repurchased. 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.

ContactInvestor and media relationsVictor BareñoT: +31 88 100 8500 E: investor.relations@asm.com

Investor relationsValentina FantigrossiT: +31 88 100 8502E: investor.relations@asm.com

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