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  The issuer is responsible for the content of this announcement.

In accordance with Par. 93 in connection with Par 91/1 of the
Austrian Stock Exchange Act Zumtobel AG announces that Standard Life
Group now owns more than 5% of the issued share capital through
Vidacos Nominees.

end of announcement                               euro adhoc 23.05.2006 13:54:17

Further inquiry note:

Investoren:
Christian Hogenmüller
Investor Relations
Zumtobel AG
Höchster Str. 8
A-6850 Dornbirn
Tel.: +43-5572-509 506
E-Mail: Christian.Hogenmueller@zumtobel.com
http://www.zumtobelgroup.com

Presse:
Astrid Kühn-Ulrich
Corporate Communications
Zumtobel AG
Höchster Str. 8
A-6850 Dornbirn
Tel.: +43-5572-509 1570
E-Mail: Astrid.Kuehn@zumtobel.com
http://www.zumtobelgroup.com

Branche: Semiconductors & active components
ISIN: AT000837307
WKN: A0JLPR
Index: ATX Prime, WBI
Börsen: Wiener Börse AG / official market