RHI statement on a possible mandatory bid for Didier-Werke AG

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Wien (euro adhoc) - In the context of a possible exercising of call options and
convertible bonds on shares of RHI AG (also see the ad hoc release of RHI AG of
January 11, 2007) on the part of the MS Private Foundation (MSPF) of the
Austrian investor Martin Schlaff the MSPF has informed RHI AG that, due to the
existing direct and indirect majority stake that RHI AG holds in Didier-Werke
Aktiengesellschaft (DWAG) based in Wiesbaden, the point of law of a possible
mandatory takeover bid by MSPS to the shareholders of DWAG may arise in
accordance with the German Securities Acquisition and Takeover Act (WpÜG).

In this respect, RHI AG states that in principle it does not intend to accept a
possible mandatory takeover bid by MSPS regarding the shares of DWAG, especially
not at the valuations in the range of the current share price or the current
minimum offer price in accordance with German takeover legislation because, as
is generally known, the Didier Group forms an integral part of the global
refractories activities of the RHI Group.

In the view of RHI AG, there is also the possibility to avoid a mandatory bid
because in this context at least number three of the grounds for exemption in §
9 of the effective Offer Ordinance of the German Securities Acquisition and
Takeover Act would become effective as the book value of the interest held in
DWAG, directly and indirectly, amounts to less than 20% of the assets recorded
in the books of RHI AG. This would, of course, apply not only to the MS Private
Foundation but for any shareholder who, due to exceeding the relevant investment
limits would have to make a mandatory takeover bid for Didier-Werke AG to RHI AG
in accordance with German takeover legislation.

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

end of announcement euro adhoc 15.02.2007 14:32:20
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emitter: RHI AG
Wienerbergstrasse 11
A-1100 Wien
phone: +43 1 50213-6123
FAX: +43 1 50213-6130
mail: rhi@rhi-ag.com
WWW: http://www.rhi-ag.com
ISIN: AT0000676903
indexes: ATX Prime
stockmarkets: official dealing: Wiener Börse AG
sector: Refractories
language: English

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