Actelion Ltd.: Invitation to Investor Conference Call/Webcast; Actelion to Discuss Enlarged Zavesca Partnership with Oxford Glycoscience Plc

Actelion and OGS Management to Host Q & A Session

ALLSCHWIL, Switzerland, Nov. 26, 2002 (PRIMEZONE) -- Actelion Ltd. (Other OTC:ALIOF):

Dear Friend in the Investment Community:

Actelion Ltd. has announced its enlarged Zavesca(TM) partnership with Oxford Glycoscience Plc. Also, Zavesca(TM) has just received EU marketing authorization.

Actelion will host an Investor Conference Call/Webcast to discuss the collaboration as follows:


Tuesday, November 26, 200214:00hrs (CET)/13:00hrs(GMT)/08:00 a.m. (EST)

Conference Call Connect #: Dial-in participants should start calling the number below 10-15 minutes before the Conference is due to start.

-- European participants should dial +41 (0)91 610 41 11
-- U.K. participants should dial +44 207 866 41 11
-- U.S. participants should dial  +1 412 858 46 00

Participant's mode:

Listen-Only with possibility to open individual lines during Q&A session.

Participants will be asked for their Name and Company.

Webcast Access:

Webcast participants should visit the Actelion Website for further details 10-15 minutes before the conference is due to start.

Participant's mode:

Listen-Only with possibility to ask individual questions by clicking on the Q&A button.

Email questions will be answered after the call itself is over.

Participants will be asked to provide their Name and Company.

Webcast Replay:

The archived Investor Webcast will be available for replay through approximately 60 minutes after the call has ended.


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