Significant Shareholder

1) The calculation is based on the 3 400 880 registered shares listed in the Commercial Register as at 31 December 2011.

2) Plus stock options from the employee share incentive scheme (0.12%):
0.03% 1000 call options, CHF 145.06, duration 1.1.2008 – 31.12.2012
0.03% 1000 call options, CHF 42.78, duration 1.1.2009 – 31.12.2013
0.03% 1000 call options, CHF 75.68, duration 1.1.2010 – 31.12.2014
0.03% 1000 call options, CHF 94.25, duration 1.1.2011 – 31.12.2015
All stock options are subject to a three-year lock-in period and a two-year exercise period, exchange ratio 1:1, effective fulfilment.

3) Plus stock options from the employee share incentive scheme (0.34%):
0.15% 5000 call options, CHF 145.06, duration 1.1.2008 – 31.12.2012
0.06% 2000 call options, CHF 42.78, duration 1.1.2009 – 31.12.2013
0.06% 2000 call options, CHF 75.68, duration 1.1.2010 – 31.12.2014
0.07% 2500 call options, CHF 94.25, duration 1.1.2011 – 31.12.2015
All stock options are subject to a three-year lock-in period and a two-year exercise period, exchange ratio 1:1, effective fulfilment.

4) Reported figure as of 5 May 2010.

All shareholdings that have been reported to Komax and the Disclosure Office of SIX Swiss Exchange as per art. 20 of the Federal Act on Stock Exchanges and Securities Trading (SESTA) and the provisions of the Stock Exchange Ordinance of the Swiss Financial Market Supervisory Authority (FINMA) and published on SIX Swiss Exchange AG’s electronic publication platform can be viewed at www.six-exchange-regulation.com/obligations/disclosure/major_shareholders_en.html.