CONFERENCE CALL - BAL5788 Update - 27th MAY 2004


Dear Madam/Sir,
Basilea Pharmaceutica AG, invites you to participate in a conference call on Thursday, May 27th, 2004 where Dr. Anthony Man CEO will be joined with Mr. Ronald Scott CFO to provide an update on the company's activities and business outlook related to BAL5788, a Novel First-In-Class Antibiotic.
 
The call will be held in English.
 
The Conference Call takes place:
Date: Thursday, May 27th, 2004
Time: 4pm until 5pm (CET)
 
Dial-in number from Europe:             +41 (0) 91 610 5600
Dial-in number from the U.K.:           +44 (0) 207 107 0611
Dial-in number from U.S.A.:              +1 (1) 866 291 4166
 
We would be very pleased if you can join us.
 
Yours faithfully,
Sean Wells
Investor Relations