EANS-Adhoc: WACKER Optimizes its Global Production Network

ad-hoc disclosure pursuant to section 15 of the WpHG transmitted by euro adhoc with the aim of a Europe-wide distribution. The issuer is solely responsible for the content of this announcement.

08.07.2009

Munich, July 8, 2009 - Wacker Chemie AG intends to introduce a new site strategy to increase flexibility and further optimize the integrated production network of its Siltronic semiconductor subsidiary. Silicon wafer production is to be concentrated at lead sites according to individual diameters. This was decided today by the relevant WACKER Group committees. This approach involves, for example, discontinuing 150 mm wafer production at Freiberg and transferring these production volumes to Burghausen. In the 300 mm wafer segment, the Burghausen site is expected to become the focus of R&D-related tasks, with production being pooled at Freiberg and Singapore. Singapore will become the lead site for 200 mm wafers, too. The new site strategy along with the expected development of the semiconductor market results in impairments on fixed assets totaling some EUR120 million, which will be accounted for in the financial statements for the first half of 2009.

In addition to these realignments at Siltronic, WACKER will also implement structural improvements at WACKER SILICONES targeting at cost reductions, higher flexibility and improved plant capacity utilization. Compared to March 31, 2009, all these measures are expected to cut nearly 800 positions at Siltronic and WACKER SILICONES by the end of 2010. WACKER has already found a solution for 450 of the employees affected. To implement the remaining job cuts, WACKER will book provisions totaling about EUR15 million in Q2 2009. Since mid-2008, Siltronic has already reduced its workforce by some 550 employees, including external temporary workers.

In addition, the relevant WACKER Group committees decided today to execute a control and profit transfer agreement between Siltronic AG and Wacker-Chemie Dritte Venture GmbH, a wholly-owned subsidiary of Wacker Chemie AG. Since such an agreement already exists between Wacker-Chemie Dritte Venture GmbH and Wacker Chemie AG, profits and losses at Siltronic can now be netted with Wacker Chemie AG´s resulting net income. WACKER expects this agreement to have a positive effect on 2009´s after-tax income ranging in the higher double-digit euro millions.

Further information on WACKER Group´s current trading conditions in Q2 2009 can be found in a press release which will be published today.

end of announcement euro adhoc

emitter: Wacker Chemie AG Hanns-Seidel-Platz 4 D-81737 München phone: +49 (0) 89 6279 01 FAX: +49 (0) 89 6279 1770 mail: info@wacker.com WWW: http://www.wacker.com sector: Chemicals ISIN: DE000WCH8881 indexes: Midcap Market Index, MDAX, CDAX, Classic All Share, HDAX, Prime All Share stockmarkets: regulated dealing/prime standard: Frankfurt language: English

Rückfragen & Kontakt:

Joerg Hoffmann
Investor Relations
Tel.: +49 (0)89 6279 1633
E-Mail: joerg.hoffmann@wacker.com

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