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 combined 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 combined 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 certificate. WACKER’s consolidated financial statements, its combined management report and the auditors’ report will be discussed in detail by the Supervisory Board’s audit committee at its meeting on February 25, 2011. For information about the Supervisory Board’s audit, please refer to its report.

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 Group’s assets, liabilities and financial position, and profit or loss of the Group, and the combined 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 Group’s expected development.

Munich, Germany, February 21, 2011
Wacker Chemie AG