EQS Voting Rights Announcement: Wienerberger AG Wienerberger AG: Publication in accordance with Section 135 Para. 2 BörseG with the aim of Europe-wide distribution December 12, 2023 / 4:00 p.m. CET/CEST Publication of a voting rights announcement transmitted by EQS News – a service of EQS Group AG. The issuer/publisher is responsible for the content of the message. ════════════════════════════════════════ ══════════ ══════════════════════════ Investment report in accordance with Sections 130 to 134 BörseG 2018 London, December 11, 2023 Overview ☐ Reporting takes place after the deadline has expired Attention: According to § 137 BörseG 2018, the suspension of voting rights must be observed if a person violates the obligation to report shareholdings. 1. Issuer: Wienerberger AG 2. Reason for notification: Acquisition/sale of financial or other instruments 3. Person subject to reporting obligation Klaus Umek 4. Names of shareholders: Klaus Umek, Petrus Advisers Investments Fund LP 5. Date of threshold touching: December 7, 2023 6. Overall position of the person required to report Percentages of the percentage shares of voting rights, which represent the total number of financial/other total voting rights, instruments of voting rights belonging to shares (7.B.1 + 7.A + of (7.A) 7. B.2) 7.B in Issuers % Situation on the day of 1.11% 3.36% 4.47% 111 732 343 Threshold touching Situation in the previous report 1.36% 3.80% 5.16% (if applicable ) Details 7. Details about the instruments held on the day the threshold was touched: A: Voting rights belonging to shares ISIN of the shares Number of voting rights Percentage of voting rights Direct Indirect Direct Indirect (§ 130 BörseG (§ 133 BörseG (§ 130 BörseG ( § 133 BörseG 2018) 2018) 2018) 2018) AT0000831706 453 750 787 057 0.41% 0.70% Subtotal A 1 240 807 1.11% B 1: Financial instruments / other instruments in accordance with § 131 Paragraph 1 Z 1 BörseG 201 8 art of the expiry date exercise period number of percentage instruments voting rights that can be acquired Call Option December 2023 – Anytime 3,750,000 3.36% December 2024 Subtotal B.1 3,750,000 3.36% B 2: Financial instruments / other instruments in accordance with Section 131 Paragraph 1 Z 2 BörseG 2018 Type of expiry date Exercise period Physical Number of percentage Instruments or cash Voting rights Settlement Voting rights Subtotal B.2 8. Information regarding the person required to report: ☐ The person required to report (point 3) is not a natural/legal entity Person does not control or control any other person who directly or indirectly holds instruments in the issuer. ☒ Full chain of controlled entities through which the voting rights and/or financial/other instruments are held, starting with the top controlling natural or legal person: Direct Total Directly held Directly held by Number Name Controlled Voting rights Financial/Other both by Number in shares instruments (%) (%) (%) 1 Klaus Umek 0.41% 0.41% 2 Petrus 1 Advisers Ltd. Petrus Advisers 3 Investments 2 General Partner Inc. Petrus 4 Advisers 3 0.52% 3.36% 3.88% Investments Fund LP 9. In the case of voting rights, date of the general meeting: – Proportion of voting rights after the general meeting: – corresponds to – voting rights 10. Other comments: The numbers notified above do not include the voting rights from 72,702 shares and from 750,000 long call options held by UI Petrus Advisers Special Situations Fund as of 7 December 2023. Klaus Umek / Petrus Advisers Ltd. can only issue recommendations on the exercise of the voting rights concerned but cannot otherwise exercise any further influence. Therefore, these voting rights are not to be attributed to Klaus Umek / Petrus Advisers for the purpose of this notification but are merely disclosed in this Section 10 of this notification for full transparency only. The 787 057 voting rights from shares notified under section 7.A (indirect) include 209 790 voting rights that are attributable to Petrus Advisers Ltd. based on voting proxies granted by natural persons and are therefore not reflected under section 8. London on December 11th, 2023 ════════════════════════════ ════════════════════════════════════════ ════════ 12.12. 2023 CET/CEST ═════════════════════════════════════ ═════════ ══════════════════════════════ Language: German Company: Wienerberger AG Wienerbergerplatz 1 1100 Vienna Austria Internet: www.wienerberger.com
End of message EQS News Service 1795333 December 12, 2023 CET/CEST