AT&S Austria Technologie & Systemtechnik AG: AT&S expands capacity for AI substrates

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EQS-Ad-hoc: AT&S Austria Technologie & Systemtechnik AG / Key word(s): Strategic Company Decision AT&S Austria Technologie & Systemtechnik AG: AT&S expands capacity for AI substrates 20-May-2026 / 20:15 CET/CEST Disclosure of an inside information acc. to Article 17 MAR of the Regulation (EU) No 596/2014, transmitted by EQS News - a service of EQS Group . The issuer is solely responsible for the content of this announcement.  AT&S expands capacity for AI substrates Disclosure of inside information pursuant to Article 17 MAR   Leoben – As increasingly more computing power is required in the field of artificial intelligence, demand by a key customer for high-end IC substrates of AT&S is growing. To be able to manufacture these substrates on a larger scale, the Management Board of AT&S has decided today to expand capacity at its location in Chongqing, China. The required investments in the high double-digit million range will be fully financed based on long-term customer agreements. The company expects a positive effect on EBIT, also in the high double-digit million range, from these measures in the financial year 2026/27.   AT&S Austria Technologie & Systemtechnik Aktiengesellschaft – Advanced Technologies & Solutions AT&S is a leading global manufacturer of high-end IC substrates and printed circuit boards. AT&S develops and produces leading-edge interconnect technologies for key digital industries: mobile devices, automotive & aerospace, industrial, medical and high-performance computing for AI applications. With production sites in Austria (Leoben, Fehring), China (Shanghai, Chongqing), Malaysia (Kulim), India (Nanjangud) and a European competence center for R&D and IC substrate production in Leoben, AT&S is actively shaping the digital transformation – through forward-looking investments in research and development and the responsible use of resources. The company currently employs around 14,000 people. Further information can also be found at www.ats.net   Media download: On the AT&S media portal https://ats.canto.de/v/press you will find continuously updated picture material on AT&S. Media contact: Gerald Reischl, Vice President Corporate Communications Phone: +43 3842 200 4252; Mobile: +43 664 8859 2452; [email protected] Contact Investor Relations: Philipp Gebhardt, Vice President Investor Relations Phone: +43 3842 200 2274; Mobile: +43 664 7800 2274; [email protected]   AT&S Austria Technologie & Systemtechnik Aktiengesellschaft Fabriksgasse 13 8700 Leoben / Austria www.ats.net   End of Inside Information 20-May-2026 CET/CEST News transmitted by EQS Group View original content: EQS News Language: English Company: AT&S Austria Technologie & Systemtechnik AG Fabriksgasse 13 8700 Leoben Austria Phone: +43 (1) 3842200-0 E-mail: [email protected] Internet: www.ats.net ISIN: AT0000969985, AT0000A09S02 WKN: 922230 Indices: ATX Listed: Regulated Unofficial Market in Dusseldorf, Frankfurt, Hamburg, Hanover, Munich, Stuttgart, Tradegate BSX; Vienna Stock Exchange (Official Market) EQS News ID: 2330976   End of Announcement EQS News Service 2330976  20-May-2026 CET/CEST

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