Heidelberg Materials AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

EQS Voting Rights Announcement: Heidelberg Materials AG Heidelberg Materials AG: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution 23.06.2025 / 08:11 CET/CEST Dissemination of a Voting Rights Announcement transmitted by EQS News - a service of EQS Group. The issuer is solely responsible for the content of this announcement.

---

Notification of Major Holdings

1. Details of issuer

Name:	Heidelberg Materials AG
Street:	Berliner Straße 6
Postal code:	69120
City:	Heidelberg Germany
Legal Entity Identifier (LEI):	LZ2C6E0W5W7LQMX5ZI37

2. Reason for notification

X	Acquisition/disposal of shares with voting rights
	Acquisition/disposal of instruments
	Change of breakdown of voting rights
	Other reason:

3. Details of person subject to the notification obligation

Legal entity: The Capital Group Companies, Inc. City of registered office, country: Los Angeles, United States of America (USA)

4. Names of shareholder(s)
holding directly 3% or more voting rights, if different from 3.

5. Date on which threshold was crossed or reached:

19 Jun 2025