Within the scope of a partial revision of the SWX Listing Rules, the Admission Board of the SWX Swiss Exchange intends to introduce rules governing the disclosure of securities transactions made by corporate executives. The solicitation of comment on the contemplated rules will be conducted for the first time via the Internet. The related documents can be accessed at
www.swx.com/admission/consultation_dd_en.html. This solicitation of comment will end on 20 June 2003.