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Disclosure in accordance with § 93 of the Stock Exchange Act (Change in Voting Rights)

18. January 2013

The Management Board of RHI AG announces that it received a letter on January 17, 2013 stating the following:

“In the name and on behalf of (i) FEWI Beteiligungsgesellschaft mbH and Dr. Wilhelm Winterstein, (ii) Chestnut Beteiligungsgesellschaft mbH and Elisabeth Princess of Sayn-Wittgenstein and (iii) Silver Beteiligungsgesellschaft mbH and Mr. Konstantin Alfred Winterstein, we announce in accordance with §§ 91, 92, 92a BörseG that the following shares in voting rights in RHI AG (the “Company”) have been exceeded or fallen below:

1.    FEWI Beteiligungsgesellschaft mbH transferred 2,088,461 shares of the Company to Chestnut Beteiligungsgesellschaft mbH and to Silver Beteiligungsgesellschaft respectively on January 16, 2013. FEWI Beteiligungsgesellschaft mbH is controlled by Dr. Wilhelm Winterstein (§ 92 (4) BörseG). Elisabeth Princess of Sayn-Wittgenstein holds a controlling interest in Chestnut Beteiligungsgesellschaft mbH (§ 92 (4) BörseG), while Mr. Konstantin Alfred Winterstein exercises control over Silver Beteiligungsgesellschaft mbH in accordance with § 92 (4) BörseG.

2.    Simultaneously with the transfer described above, Elisabeth Princess of Sayn-Wittgenstein made an agreement with Mr. Konstantin Alfred Winterstein on January 16, 2013, which allows Elisabeth Princess of Sayn-Wittgenstein and Chestnut Beteiligungsgesellschaft mbH to exercise the voting rights with regard to 2,088,461 shares of the Company transferred to Silver Beteiligungsgesellschaft mbH in the future without being the owner (§ 92 (5) BörseG).

3.    FEWI Beteiligungsgesellschaft mbH (directly) and Dr. Wilhelm Winterstein (in part indirectly and in part directly) now hold a total of 1,223,078 shares of the Company (on the basis of a total of 39,819,039 shares of the Company, this corresponds to a share in voting rights of approximately 3.07%). As a result of the sale described above, FEWI Beteiligungsgesellschaft mbH and Dr. Wilhelm Winterstein fell below the threshold of 5% in accordance with § 91 para. 1 BörseG.

Silver Beteiligungsgesellschaft mbH (directly) and Mr. Konstantin Alfred Winterstein (indirectly) now hold 2,088,461 shares of the Company (share in voting rights of approximately 5.24%). As a result of the acquisition described above, Silver Beteiligungsgesellschaft mbH (directly) and Mr. Konstantin Alfred Winterstein (indirectly via Chestnut Beteiligungsgesellschaft mbH) exceeded the threshold of 5% in accordance with § 91 para. 1 BörseG.

Chestnut Beteiligungsgesellschaft mbH (directly) and Elisabeth Princess of Sayn-Wittgenstein (indirectly via Chestnut Beteiligungsgesellschaft mbH) now hold 2,088,461 shares of the Company. As a result of this acquisition and the agreement with Mr. Konstantin Alfred Winterstein regarding the future exercise of voting rights related to the shares owned by Silver Beteiligungsgesellschaft mbH as described in paragraph 2, a total of 4,176,922 shares of the Company (share in voting rights of approx. 10.49%) are attributable to Chestnut Beteiligungsgesellschaft mbH and Elisabeth Princess of Sayn-Wittgenstein; Elisabeth Princess of Sayn-Wittgenstein and Chestnut Beteiligungsgesellschaft mbH have thus exceeded the threshold of 10% in accordance with § 91 para. 1 BörseG.”

Therefore, the following investors hold a significant stake in RHI AG: MS Private Foundation, Austria, with a share exceeding 25%, Chestnut Beteiligungsgesellschaft mbH with more than 5% and Silver Beteiligungsgesellschaft mbH with more than 5%. The voting rights of Chestnut Beteiligungsgesellschaft mbH and Silver Beteiligungsgesellschaft mbH are exercised jointly. The joint share in voting rights of the two companies exceeds 10%.