Disclosure of Shareholdings

Major Shareholdings

As of the balance sheet date of December 31, 2011, Sika had one significant shareholder with a share of voting rights of over 3%, the Burkard-Schenker family, which according to information provided by
the family as at December 31, 2011, holds 53.0% of all share votes, in part through the Schenker-Winkler Holding AG, Baar.

A list of changes in significant shareholdings reported to the Disclosure Office of SIX Swiss Exchange Ltd during the year under review can be found at http://www.six-exchange-regulation.com/obligations/disclosure/major_shareholders_en.html

There are no crossover holdings exceeding 3%, either in terms of capital or in votes.