ASMI Share Buyback Update December 21 – 24, 2020 GlobeNewswire December 28, 2020, 5:45 p.m. CET ASM International N.V. (Euronext Amsterdam: ASM) reports the following transactions, conducted under ASMI's current share buyback program. Date € 2,935,444 These repurchases were made as part of the €100 million share buyback program announced on June 2, 2020. Of the total program, 61.2% has been repurchased. For further details including individual transaction information please visit: 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