EX-99 2 sigmatauform4-051005ex99.txt JOINT FILER INFORMATION Exhibit 99 Joint Filer Information Name: Defiante Farmaceutica, L.D.A. Address: Rua dos Ferreiros 260 Funchal Madeira, Portugal - 19000-082 Designated Filer: Sigma-Tau Finanzaria S.p.A. Issuer & Ticker Symbol: SciClone Pharmaceuticals, Inc. (SCLN) Date of Earliest Transaction Required to be Reported: 05/06/05 Signature: /s/ Maurizio Terenzi ------------------------------------------ Name: Maurizio Terenzi Title: Director-Proxy Holder Authorized DEFIANTE FARMACEUTICA, L.D.A.