As at 31 December 2007, 64 percent of the registered shares were held by Swiss nationals (24 percent by private individuals and 40 percent by legal entities). The remaining 36 percent of registered shares are held by foreigners (2 percent by private individuals and 34 percent by legal entities). As at year-end, one shareholder held more than three percent of the shares. According to a statement of Credit Suisse Asset Management Funds (Switzerland) on December 6, 2007, it held 3.82% of the voting rights, corresponding to 156 537 shares.

Categories of shareholders as per December 31, 2007