Shareholder Information

Share price

The following table shows the reported high and low quarterly closing share price of the Actelion shares on the SWX Main Market during the year 2006. On December 31, 2006 the last reported closing share price was CHF 268.0 and market capitalization of Actelion Ltd was CHF 6.15 billion, compared with a share price of CHF 108.7 and market capitalization of CHF 2.45 billion the previous year. The total number of registered shareholders on December 31, 2006 was 4’734.

Listing

Actelion Ltd is organized under Swiss law and is the holding company of the Actelion Group. The Company’s initial equity funding was provided in 1998 and 1999 in two separate rounds of financing totaling CHF 66 million.

The registered shares of Actelion Ltd have been listed on the SWX New Market since April 6, 2000 (symbol: ATLN). A total of 1,000,000 primary shares were placed at the Company's Initial Public Offering at the price of CHF 260 per share raising CHF 246.1 million. On June 20, 2001, Actelion Ltd announced a 4:1 split in its shares.

On September 9, 2002 Actelion listed the Company's registered shares on the SWX Main Market. The SWX Swiss Exchange waived the requirement for a listing prospectus. The trading symbol remains the same and the Company will continue to report full quarterly figures.