Disclosure of Shareholder (04/15/08) Disclosure of Shareholding of Deutsche Bank pursuant to the Stock Exchange Act

Pfäffikon SZ, April 15, 2008 - According to information provided on April 11, 2008, by Deutsche Bank Aktiengesellschaft, Frankfurt am Main, Zurich Branch, Uraniastrasse 9, 8001 Zurich, Switzerland, their equity securities exceeded due to purchase the 5 % threshold. The structure of the Deutsche Bank group's holding in OC Oerlikon Corporation AG, Pfäffikon is as follows:

Purchase positions:
Total percentage of voting rights: 21.539 %
• 870 375 registered shares (6.154 %)
• 22 229 897 conversion and share purchase rights with 2 175 618 (15.384 %) voting rights conferred *
• 15 written share sale rights with 150 (0.001 %) voting rights conferred *

Sale positions:
Percentage of voting rights from underlying shares: 29.983 %
• 301 942 share sale rights with 562 420 (3.977 %) voting rights conferred *
• 1 053 846 069 written share purchase rights with 3 677 963 (26.007 %) voting rights conferred *

Date of the acquisition which resulted in holdings exceeding the threshold: April 7, 2008

The group holding a share of voting rights in OC Oerlikon Corporation AG, Pfäffikon consists of the following members:

- Deutsche Bank AG Frankfurt
Theodor-Heuss-Allee 70
60486 Frankfurt am Main, Germany
- Deutsche Asset Management Investmentgesellschaft mbH
Mainzer Landstrasse 178-190
60327 Frankfurt am Main, Germany
- Deutsche Bank Trust Company Americas
60 Wall Street
New York, NY 10005-2858, USA
- Deutsche Investment Management Americas Inc.
345 Park Avenue
New York, NY 10154, USA
- DWS Investment GmbH
Mainzer Landstrasse 178-190
60327 Frankfurt am Main, Germany
- Deutsche Asset Management (Japan) Limited
Nagata-cho, Chiyoda-ku, Sanno Park Tower 2-11-1
Tokyo, Japan
- Deutsche Bank National Trust Company
60 Wall Street
New York, NY 10005-2858, USA
- T Tilney Investment Management
Royal Liver Building
Pier Head
Liverpool L3 1NY, Great Britain
- Deutsche Asset Management (Australia) Limited
Corner Hunter and Philipp Street
Deutsche Bank Place, Level 16
Sydney, NSW 2000, Australia
- Deutsche Bank International Limited - Global Custody Jersey
St. Paul's Gate, New Street
GBJ-St. Helier, JE4 8ZB
- DWS Investment S.A., Luxemburg
2 Boulevard Konrad Adenauer
1115 Luxemburg
- DWS (Austria) Investmentgesellschaft mbH
Hohenstaufengasse 4
1010 Wien, Austria
- Deutsche Bank Securities Inc.,
60 Wall Street
New York, NY 10005-2858, USA
- DB U.S. Financial Markets Holding Corporation
1209 Orange Street
Wilmington, DE 19801, USA
- Taunus Corporation
1209 Orange Street
Wilmington, DE 19801, USA

Nature of agreement: group of companies

Person responsible for representing all group members:
Deutsche Bank AG, Frankfurt am Main, Zurich Branch
Dirk Hadlich, Uraniastrasse 9, 8001 Zürich

The shareholder's contact person:
Dirk Hadlich, Telephone: +41 44 227 37 84, Fax: +41 44 227 3084

*) Based on a recommendation by SWX Swiss Exchange of February 1, 2008 , for practical reasons there will be no publication of the extensive details on the financial instruments required by article 13 para. 1 and 1bis in connection with article 17 para. 1 lit. a and para. 1bis SESTO-SFBC. These can be obtained free of charge from OC Oerlikon Corporation AG, Pfäffikon, Churerstrasse 120, CH-8808 Pfäffikon (e-mail: ir@oerlikon.com; tel: +41 58 360 96 22; fax: +41 58 360 91 93).

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