ASM share buyback update May 12 – 16, 2025

Rhea-AI Summary

ASM International (ASMIY) has provided an update on its ongoing share buyback program. Between May 12-16, 2025, the company repurchased a total of 9,965 shares at an average price of €488.54, for a total value of €4.87 million. This represents approximately 10.7% of the total €150 million share buyback program that commenced on April 30, 2025.

Positive

• None.

Negative

• Significant cash outflow of €4.87 million reduces available funds for operations or investments

News Market Reaction – ASMIY

-0.80%

1 alert

-0.80% News Effect

On the day this news was published, ASMIY declined 0.80%, reflecting a mild negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

Almere, The Netherlands
May 19, 2025, 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
May 12, 2025	2,126	€ 481.32	€ 1,023,285
May 14, 2025	816	€ 492.00	€ 401,473
May 15, 2025	3,777	€ 489.70	€ 1,849,592
May 16, 2025	3,246	€ 491.05	€ 1,593,937
Total	9,965	€ 488.54	€ 4,868,287

These repurchases were made as part of the €150 million share buyback program which started on April 30, 2025. Of the total program, 10.7% 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.

Contact Investor and media relations Victor Bareño T: +31 88 100 8500 E: investor.relations@asm.com   Investor relations Valentina Fantigrossi T: +31 88 100 8502 E: investor.relations@asm.com

Attachment

• 20250519_ASM Share Buyback Update May 12 - 16 2025

FAQ

How much has ASMIY spent on share buybacks between May 12-16, 2025?

ASM International spent €4,868,287 to repurchase 9,965 shares at an average price of €488.54 between May 12-16, 2025.

What is the total size of ASMIY's current share buyback program?

ASM International's current share buyback program has a total size of €150 million, which started on April 30, 2025.

What percentage of ASMIY's buyback program has been completed?

As of May 16, 2025, 10.7% of the total €150 million share buyback program has been completed.

What was the highest daily share repurchase by ASMIY during May 12-16, 2025?

The highest daily share repurchase was on May 15, 2025, when ASMIY bought back 3,777 shares for €1,849,592.