Wienerberger AG, AT0000831706

EQS-PVR: Wienerberger AG: Release according to Article 135, Section 2 B?rseG with the objective of Europe-wide distribution

Major holdings notification pursuant to Sec. 130 to 134 B?rseG 2018

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London,? 18.5.2023

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Overview

? Notification made after deadline

Caution: In case of violations of major holdings notification rules, please pay attention to Section 137 B?rseG 2018 (Suspension of voting rights)

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1. Issuer: Wienerberger AG

2. Reason for the notification:?Acquisition or disposal of voting rights Acquisition or disposal of financial/other instruments

3. Person subject to notification obligationName: BlackRock, Inc.City: WilmingtonCountry: U.S.A.

4. Name of shareholder(s):?

5. Date on which the threshold was crossed or reached: 17.5.2023

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6. Total positions

? ? % of voting rights attached to shares (7.A) % of voting rights through financial/other instruments (7.B.1 + 7.B.2) ??Total of both in % (7.A + 7.B) ?Total number of voting rights of issuer Resulting situation on the date on which threshold was crossed / reached ? 3,25 % ? 0,72 % ? 3,96 % ? 111 732 343 Position of previous notification (if applicable) ? 3,42 % ? 0,77 % ? 4,19 % ?

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Details

7. Notified details of the resulting situation:

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A: Voting rights attached to shares ISIN Code Number of voting rights % of voting rights Direct (Sec 130 B?rseG 2018) Indirect (Sec 133 B?rseG 2018) Direct (Sec 130 B?rseG 2018) Indirect (Sec 133 B?rseG 2018) AT0000831706 ? 3 629 230 ? 3,25 % SUBTOTAL A 3 629 230 3,25 %

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B 1: Financial / Other Instruments pursuant to Sec. 131 para. 1 No. 1 B?rseG 2018 Type of instrument Expiration Date Exercise Period Number of voting rights that may be acquired if the instrument is exercised % of voting rights Securities Lent N/A N/A 612 987 0,55 % ? ? SUBTOTAL B.1 612 987 0,55 %

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B 2: Financial / Other Instruments pursuant to Sec. 131 para. 1 No. 2 B?rseG 2018 Type of instrument Expiration Date Exercise Period Physical / Cash Settlement Number of voting rights % of voting rights CFD N/A N/A Cash 187 333 0,17 % ? ? ? SUBTOTAL B.2 187 333 0,17 %

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8. Information in relation to the person subject to the notification obligation:

? Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.

? Full chain of controlled undertakings through which the voting rights and/or the financial/other instruments are effectively held starting with the ultimate controlling natural person or legal entity:

No. Name Directly controlled by No. Shares held ?directly (%) Financial/other instruments held ?directly (%) Total of both (%) 1 BlackRock, Inc. ? ? ? ? 2 BlackRock Holdco 2, Inc. 1 ? ? ? 3 BlackRock Financial Management, Inc. 2 ? ? ? 4 BlackRock International Holdings, Inc. 3 ? ? ? 5 BR Jersey International Holdings L.P. 4 ? ? ? 6 BlackRock Australia Holdco Pty. Ltd. 5 ? ? ? 7 BlackRock Investment Management (Australia) Limited 6 ? ? ? 8 Trident Merger, LLC 1 ? ? ? 9 BlackRock Investment Management, LLC 8 ? ? ? 10 BlackRock Holdco 3, LLC 5 ? ? ? 11 BlackRock Cayman 1 LP 10 ? ? ? 12 BlackRock Cayman West Bay Finco Limited 11 ? ? ? 13 BlackRock Cayman West Bay IV Limited 12 ? ? ? 14 BlackRock Group Limited 13 ? ? ? 15 BlackRock Finance Europe Limited 14 ? ? ? 16 BlackRock Investment Management (UK) Limited 15 ? ? ? 17 BlackRock (Netherlands) B.V. 15 ? ? ? 18 BlackRock Asset Management Deutschland AG 17 ? ? ? 19 BlackRock Advisors (UK) Limited 15 ? ? ? 20 BlackRock Canada Holdings LP 10 ? ? ? 21 BlackRock Canada Holdings ULC 20 ? ? ? 22 BlackRock Asset Management Canada Limited 21 ? ? ? 23 BlackRock Holdco 4, LLC 3 ? ? ? 24 BlackRock Holdco 6, LLC 23 ? ? ? 25 BlackRock Delaware Holdings Inc. 24 ? ? ? 26 BlackRock Fund Advisors 25 ? ? ? 27 BlackRock Institutional Trust Company, National Association 25 ? ? ? 28 Amethyst Intermediate LLC 9 ? ? ? 29 Aperio Holdings LLC 28 ? ? ? 30 Aperio Group, LLC 29 ? ? ? ? ? ? ? ? ?

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9. In case of proxy voting

Date of general meeting: -

Voting rights after general meeting: - is equivalent to - voting rights.

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10. Sonstige Kommentare:

The disclosure obligation arose due to total holdings for BlackRock, Inc. going below 4%

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?London am? 18.5.2023

19.05.2023 CET/CEST

Language: English Company: Wienerberger AG Wienerbergerplatz 1 1100 Wien

Austria Internet: www.wienerberger.com ? End of News EQS News Service

1637227??19.05.2023?CET/CEST