Declaration by the Executive Board on the Accounting Methods and Auditing

The Executive Board is responsible for preparing Wacker Chemie AG’s consolidated financial statements and Group management report. WACKER’s consolidated financial statements were published in compliance with the rules published in London by the International Accounting Standards Board (IASB) and endorsed by the European Union. WACKER has set up effective internal monitoring and steering systems to guarantee that the Group management report and the consolidated financial statements comply with the applicable rules and procedures of proper corporate reporting. The reliability and workability of the monitoring and steering systems are examined continuously by the internal auditing division. KPMG AG Wirtschaftsprüfungsgesellschaft has audited Wacker Chemie AG’s consolidated financial statements and Group management report and granted them an unqualified audit certificate. WACKER’s consolidated financial statements, its Group management report, and the auditor’s report will be discussed in detail by the Supervisory Board’s audit committee at its meeting on March 8, 2010. More information on Supervisory Board’s audit

Assurance by the Legal Representatives in Accordance with Sections 297 (2), 315 (1), HGB

To the best of our knowledge, and in accordance with the applicable reporting principles, the consolidated financial statements give a true and fair view of the assets, liabilities, financial position, and profit or loss of the Group, and the Group management report includes a fair review of the development and performance of the business and the position of the Group, together with a description of the principal opportunities and risks associated with the expected development of the Group.

Munich, Germany, February 26, 2010
Wacker Chemie AG