Wien (euro adhoc) -

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investments

Absolute Capital Management Holdings Limited,
Cayman Island and AvW Gruppe AG, Krumpendorf/Austria have informed us
that their joint share in the voting rights of RHI AG has exceeded 
the threshold of 5% as of 18 April 2007.

Taking into account the most recent conversions of RHI convertible 
bonds with effect from 11 May 2007, the shareholder structure of RHI 
AG is composed as follows:

Free Float < 65%; MS Private Foundation > 25%; Dr. Wilhelm 
Winterstein > 5%; Absolute Capital Management Holdings Limited / AvW 
Gruppe AG > 5%

end of announcement                               euro adhoc 25.04.2007 16:17:23

Further inquiry note:

RHI AG
Investor Relations
Dkfm. Markus Richter
Tel: +43-1-50213-6123
Email: markus.richter@rhi-ag.com

Branche: Refractories
ISIN: AT0000676903
WKN: 874182
Index: ATX Prime
Börsen: Wiener Börse AG / official dealing