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, 23.5.2023

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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

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: 22.5.2023

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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 ? 3,26 % ? 0,75 % ? 4,01 % ? 111 732 343 Position of previous notification (if applicable) ? 3,25 % ? 0,69 % ? 3,94 % ?

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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 ? 3 640 426 ? 3,26 % SUBTOTAL A 3 640 426 3,26 %

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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 691 548 0,62 % ? ? SUBTOTAL B.1 691 548 0,62 %

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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 146 151 0,13 % ? ? ? SUBTOTAL B.2 146 151 0,13 %

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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 (Singapore) Holdco Pte. Ltd. 5 ? ? ? 11 BlackRock HK Holdco Limited 10 ? ? ? 12 BlackRock Asset Management North Asia Limited 11 ? ? ? 13 BlackRock (Singapore) Limited 10 ? ? ? 14 BlackRock Holdco 3, LLC 5 ? ? ? 15 BlackRock Cayman 1 LP 14 ? ? ? 16 BlackRock Cayman West Bay Finco Limited 15 ? ? ? 17 BlackRock Cayman West Bay IV Limited 16 ? ? ? 18 BlackRock Group Limited 17 ? ? ? 19 BlackRock Finance Europe Limited 18 ? ? ? 20 BlackRock Investment Management (UK) Limited 19 ? ? ? 21 BlackRock (Netherlands) B.V. 19 ? ? ? 22 BlackRock Asset Management Deutschland AG 21 ? ? ? 23 BlackRock Advisors (UK) Limited 19 ? ? ? 24 BlackRock Canada Holdings LP 14 ? ? ? 25 BlackRock Canada Holdings ULC 24 ? ? ? 26 BlackRock Asset Management Canada Limited 25 ? ? ? 27 BlackRock Holdco 4, LLC 3 ? ? ? 28 BlackRock Holdco 6, LLC 27 ? ? ? 29 BlackRock Delaware Holdings Inc. 28 ? ? ? 30 BlackRock Fund Advisors 29 ? ? ? 31 BlackRock Institutional Trust Company, National Association 29 ? ? ? 32 Amethyst Intermediate LLC 9 ? ? ? 33 Aperio Holdings LLC 32 ? ? ? 34 Aperio Group, LLC 33 ? ? ?

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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 above 4%

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?London am 23.5.2023

24.05.2023 CET/CEST

Language: English Company: Wienerberger AG Wienerbergerplatz 1 1100 Wien

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

1639761??24.05.2023?CET/CEST