Bayer AG - Stockholders' Newsletter Second Quarter 2007

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Financial Statements

Responsibility Statement

To the best of our knowledge, and in accordance with the applicable reporting principles for interim financial reporting, the interim consolidated financial statements give a true and fair view of the assets, liabilities, financial position and profit or loss of the group, and the interim management report of the group 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 for the remaining months of the financial year.

Leverkusen, July 31, 2007
Bayer Aktiengesellschaft

The Board of Management

Werner Wenning                 Klaus Kühn                 Dr. Wolfgang Plischke                 Dr. Richard Pott