HOCHTIEF Aktiengesellschaft: CIMIC acquires 100% interest in Thiess

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EQS-Ad-hoc: HOCHTIEF Aktiengesellschaft / Key word(s): Mergers and Acquisitions / Purchase of parts of a company HOCHTIEF Aktiengesellschaft: CIMIC acquires 100% interest in Thiess 01-Jul-2026 / 11:24 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. HOCHTIEF Aktiengesellschaft announces that its Australian subsidiary CIMIC Group Limited has completed the acquisition of all outstanding interests in Thiess Group Holdings Pty Ltd from funds advised by Elliott Advisors (UK) Ltd for a purchase price of AUD 1.18bn. The transaction has returned Thiess to full ownership by CIMIC and, indirectly, HOCHTIEF. Thiess will continue to operate as a global mining services business within CIMIC Group. The acquisition is expected to have a slightly positive impact on HOCHTIEF's operational net profit for the financial year 2026. Contact: [email protected] Johanna Fischer Head of Corporate Department Legal & Compliance End of Inside Information 01-Jul-2026 CET/CEST The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. View original content: EQS News Language: English Company: HOCHTIEF Aktiengesellschaft Alfredstraße 236 45133 Essen Germany Phone: +49 (0)201 824-1871 Fax: +49 (0)201 824-2750 E-mail: [email protected] Internet: www.hochtief.de ISIN: DE0006070006 WKN: 607000 Indices: DAX Listed: Regulated Market in Dusseldorf, Frankfurt (Prime Standard), Hamburg, Munich, Tradegate BSX; Regulated Unofficial Market in Hanover, Stuttgart EQS News ID: 2357906   End of Announcement EQS News Service 2357906  01-Jul-2026 CET/CEST

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