BB Biotech AG, et al. – ‘SC 13G’ on 5/28/98 re: La Jolla Pharmaceutical Co – EX-4

As of:  Thursday, 5/28/98   ·   Accession #:  950133-98-2126   ·   File #:  5-44849

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Statement of Beneficial Ownership   —   Schedule 13G
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: SC 13G      Statement of Beneficial Ownership                      8     24K 
 2: EX-4        Joint Filing Agreement                                 1      6K 

EX-4   —   Joint Filing Agreement

EX-4
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 EXHIBIT 4

JOINT FILING AGREEMENT

We, the undersigned, hereby express our agreement that the attached   
Schedule 13G (including all amendments thereto) is filed on behalf of each of   
the undersigned.                                                                

       BB BIOTECH AG

Date:   May 26, 1998                 By:    /s/ Hans-Joerg Graf                 
                            --------------------
                Name:  Hans-Joerg Graf
                           Signatory Authority

Date:   May 26, 1998                 By:    /s/ Dr. Victor Bischoff             
                                ------------------------
                    Name:  Dr. Victor Bischoff
                            --------------------
                                  Vice Chairman and Director

              BIOTECH TARGET, S.A.

Date:   May 26, 1998                 By:    /s/ Dr. Andreas Bremer              
                               -----------------------
                   Name:  Dr. Andreas Bremer
                            --------------------
                           Signatory Authority

Date:   May 26, 1998                 By:    /s/ Dr. Anders Hove                 
                            --------------------
                Name:  Dr. Anders Hove
                            --------------------
                           Signatory Authority

 Page 9 of 9 pages

Dates Referenced Herein   and   Documents Incorporated by Reference

This ‘SC 13G’ Filing		Date		Other Filings
Filed on:		5/28/98		SC 13D/A,  SC 13G
		5/26/98
				List all Filings