<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>3
<FILENAME>elanex99071503.txt
<DESCRIPTION>JOINT FILER INFORMATION
<TEXT>

                                                        Joint Filer Information


Name:                      Elan International Services, Ltd.


Address:                   102 St. James Court
                           Flatts, Smiths FL 04
                           Bermuda


Designated Filer:          Elan Corporation, plc


Issuer & Ticker Symbol:    Ligand Pharmaceuticals Incorporated (LGND)


Date of Event
Requiring Statement:       07/11/03


Signature:                 /s/ Kevin Insley
                           Title:  President
                           ELAN INTERNATIONAL SERVICES, LTD.

</TEXT>
</DOCUMENT>