Wienerberger : Revocation of a power of attorney (form)

Revocation of the power of attorney

for the 155th Annual General Meeting of Wienerberger AG on Tuesday, May 7, 2024, 10:00 am Vienna time

at Wiener Stadthalle, Hall F, Roland-Rainer-Platz 1, 1150 Vienna, Austria

Grantor of the power of attorney (shareholder)

First name, surname / company name

Street, zip code, place

Date of birth / registration no.

Securities account no.

Credit institution

Revocation

I/We hereby revoke the power of attorney granted to

First name, surname / company name

Place of residence / registered office

or his/her deputy to represent me/us at the 155th Annual General Meeting of Wienerberger AG on Tuesday, May 7, 2024.

In respect of the following securities

Wienerberger ordinary shares (ISIN AT0000831706)

No. of shares (If left blank, the revocation covers the number of shares indicated in the depository confirmation)

Date

Signature / authorized signature

Signatures of all co-shareholders, if applicable

Please complete and return by May 6, 2024, 12:00 pm Vienna time (time of receipt):

• By mail to Wienerberger AG, c/o HV-Veranstaltungsservice GmbH, Köppel 60, 8242 St. Lorenzen am Wechsel
• By facsimile to [phone]
• By SWIFT ISO 15022: GIBAATWGGMS - Message Type MT598 and/or Type 599 (please indicate ISIN AT0000831706
• in the text)
• By SWIFT ISO 20022: ou=gms, o=gibaatwg, o=swift - seev.003.001.XX or seev.004.001.XX in the version that contains
• the minimum fields necessary; (a detailed description is available atwww.wienerberger.com)
• By email to [e-mail](as scanned attachment; TIF, PDF, etc.)
• Personally upon registration at the venue on the date of the Annual General Meeting

For any further information, please refer to https://www.wienerberger.com.