Ad hoc-notification pursuant to Article 17 of Regulation (EU) No 596/2014.

Heidelberger Druckmaschinen AG (ISIN DE0007314007).

Heidelberger Druckmaschinen AG: HEIDELBERG Enters into Strategic Partnership with Ondas Holdings Inc.

Heidelberg, March 18, 2026 / 14:15 CET

The Management Board and Supervisory Board of Heidelberger Druckmaschinen Aktiengesellschaft (HEIDELBERG) have approved the establishment of a corporate joint venture in Germany with the U.S.–Israeli company Ondas Autonomous Systems Inc. (Ondas). Ondas Autonomous Systems Inc. is a subsidiary of Ondas Holdings Inc., a leading American-Israeli provider of autonomous defense and security systems.

The partners plan in the long term to build a one stop shop for the growing market of autonomous drone defense systems designed to protect critical infrastructure in Europe. The joint venture will begin immediately with the further marketing of Ondas products in Germany and Ukraine.

In the short and medium term, the partners intend to expand sales across Europe, further develop the products step by step for local assembly and manufacturing based on European supply chains, and industrialize production.

Ondas will hold 51 percent of the joint venture and will consolidate it. HEIDELBERG will hold a 49 percent stake. The establishment of the joint venture is subject to regulatory approvals.

Investor Relations
Sascha Donat
Phone: +49 (0)6222 82-64201
E-Mail: sascha.donat@heidelberg.com

Group Communications
Thomas Fichtl
Phone: +49 6222 82- 67123
E-Mail: Thomas.Fichtl@heidelberg.com

Important note:
This release contains forward-looking statements based on assumptions and estimates by the management of Heidelberger Druckmaschinen Aktiengesellschaft. Even though the management is of the opinion that these assumptions and estimates are accurate, the actual future development and results may deviate substantially from these forward-looking statements due to various factors, such as changes in the overall economic situation, in exchange and interest rates, and within the print media industry. Heidelberger Druckmaschinen Aktiengesellschaft provides no guarantee and assumes no liability for future developments and results deviating from the assumptions and estimates made in this press release.