
The capital stock of Bayer AG, amounting to Euro 2,116,986,388.48, is divided into 826,947,808 no-par registered shares.
As of December 31, 2010, some 306,000 stockholders worldwide were listed in our share register. The majority of these stockholders were private investors, most of them based in Germany. Private investors held about 12 percent of the capital stock on that date, with Bayer employees holding approximately 1 percent.
An international survey conducted in November 2010 covered 92% of issued shares (757,924,045 shares), including those held by 813 institutional investors. The following regional distribution is based on the results of this survey.
Foreign investors held approximately 73% of issued shares, reflecting the company’s international alignment and the major importance of Bayer stock on the international financial markets. The U.S.A. / Canada region accounted for the largest proportion of shares held outside Germany.

Source: Ipreo, November 2010
Under the German Securities Trading Act (Wertpapierhandelsgesetz), holders of voting securities of a listed German company must notify that company of the level of their holding whenever it reaches, exceeds or falls below specified thresholds. These thresholds are 3, 5, 10, 15, 20, 25, 30, 50 and 75 percent of the company’s outstanding voting securities.
By letter dated on September 10, 2010 the announcing entity BlackRock, Inc., New York, U.S.A., has notified us, the issuer Bayer AG, 51373 Leverkusen, Germany, pursuant to Article 21, Section 1 of the Securities Trading Act (Wertpapierhandelsgesetz - “WpHG”) as follows:
The amount of voting rights of BlackRock, Inc. in Bayer AG exceeded the threshold of 5% on September 6, 2010 and amounts to 5.03% (41,569,101 voting rights) on that day. All of the voting rights are attributable to BlackRock, Inc. pursuant to Article 22 Section 1 Sentence 1 No 6 in connection with Sentence 2 WpHG.
On December 1, 2009, Capital Research and Management Company, Los Angeles, USA, has informed us according to Article 21, Section 1 of the WpHG that via shares its Voting Rights on Bayer Aktiengesellschaft, Leverkusen, Deutschland, ISIN: DE000BAY0017, WKN: BAY001, have fallen below the 10% limit of the Voting Rights on November 26, 2009 and on that day amounted to 9.97% (this corresponds to 82483440 Voting Rights).
According to Article 22, Section 1, Sentence 1, No. 6 of the WpHG, 9.97% of the Voting Rights (this corresponds to 82483440 Voting Rights) were attributed to Capital Research and Management Company. Of those 9.97% Voting Rights (corresponds to 82483440 Voting Rights) 4.16% of the Voting Rights (this corresponds to 34400827 Voting Rights) were held by EuroPacific Growth Fund, Los Angeles, USA, which is thus a stockholder holding directly 3% or more of the Voting Rights in Bayer AG.
At present, no other shareholder has notified us that it has exceeded the German Securities Trading Act's treshold of 3 percent.
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