ASM announces start of €150 million share buyback program

Alme e, The Nethe la dsAugust 10, 2026, 8:00 a.m. CET

ASM I te atio al N.V. (Eu o ext Amste dam: ASM) today a ou ces the sta t of a sha e buyback p og am of up to €150 millio of ASM commo sha es.This p og am follows ASM’s a ou ceme t o Ma ch 3, 2026, that the Ma ageme t Boa d autho ized a sha e buyback p og am of up to €150 millio . The p og am comme ces today, August 10, 2026, a d will co ti ue u til the agg egate pu chase p ice of the sha es acqui ed by ASM eaches €150 millio , but ultimately by Decembe 2026.The sha e buyback p og am will be co ducted withi the limits of applicable laws a d egulatio s a d the autho ity g a ted by ASM’s A ual Ge e al Meeti g held o May 11, 2026. The p og am will be executed by a i depe de t thi d pa ty. ASM i te ds to use the epu chased sha es to cove existi g a d expected futu e obligatio s u de its sha e-based compe satio p og ams fo employees a d boa d membe s.ASM will update the ma ket o the p og ess of the sha e buyback p og am o a weekly basis, sta ti g o August 17, 2026. This i fo matio will also be published o ASM’s website (www.asm.com).About ASMASM I te atio al N.V., headqua te ed i Alme e, the Nethe la ds, a d its subsidia ies desig a d ma ufactu e equipme t a d p ocess solutio s to p oduce semico ducto devices fo wafe p ocessi g, a d have facilities i the U ited States, Eu ope, a d Asia. ASM’s commo stock t ades o the Eu o ext Amste dam Stock Excha ge (symbol: ASM). Fo mo e i fo matio , visit ASM’s website at www.asm.com.

Cautio a y Note Rega di g Fo wa d-Looki g Stateme ts: All matte s discussed i this p ess elease, except fo a y histo ical data, a e fo wa d-looki g stateme ts. Fo wa d-looki g stateme ts i volve isks a d u ce tai ties that could cause actual esults to diffe mate ially f om those i the fo wa d-looki g stateme ts. These i clude, but a e ot limited to, eco omic co ditio s a d t e ds i the semico ducto i dust y ge e ally a d the timi g of the i dust y cycles specifically, cu e cy fluctuatio s, co po ate t a sactio s, fi a ci g a d liquidity matte s, the success of est uctu i gs, the timi g of sig ifica t o de s, ma ket accepta ce of ew p oducts, competitive facto s, litigatio i volvi g i tellectual p ope ty, sha eholde s o othe issues, comme cial a d eco omic dis uptio due to atu al disaste s, te o ist activity, a med co flict o political i stability, cha ges i impo t/expo t egulatio s, pa demics, epidemics a d othe isks i dicated i the compa y’s epo ts a d fi a cial stateme ts. The compa y assumes o obligatio o i te ds to update o evise a y fo wa d-looki g stateme ts to eflect futu e developme ts o ci cumsta ces.

This p ess elease co tai s i side i fo matio withi the mea i g of A ticle 7(1) of the EU Ma ket Abuse Regulatio .