Joint Filer Information
 
Name:                                Sigma-Tau International S.A.
 
Address:
 
19-21 Boulevard du Prince Henri
 
L-1724 Luxembourg
 
Designated Filer:                                           Sigma-Tau Finanziaria S.p.A.
 
Issuer & Ticker Symbol:                                           Soligenix, Inc. (SNGX)
 
Date of Earliest
 
Transaction Required
 
to be Reported:                                           12/20/12
 
Signature:                                   /s/ Fabio Amabile_________________ 
 
Name:  Fabio Amabile
 
Title:    Attorney-in-fact
 
SIGMA-TAU INTERNATIONAL S.A.



 
 
 
 



 
Name:                                Sigma-Tau America S.A.
 
Address:                                19-21 Boulevard du Prince Henri
 
L-1724 Luxembourg
 

 
Designated Filer:                                           Sigma-Tau Finanziaria S.p.A.
 
Issuer & Ticker Symbol:                                           Soligenix, Inc. (SNGX)
 
Date of Earliest
 
Transaction Required
 
to be Reported:                                           12/20/12
 
Signature:                                  /s/ Fabio Amabile___________ 
 
Name:  Fabio Amabile
 
Title:    Attorney-in-fact
 
SIGMA-TAU AMERICA S.A.




 
 
 


 
Name:                                Sigma-Tau Pharmaceuticals, Inc.
 
Address:                                9841 Washingtonian Blvd, Suite 500
 
Gaithersburg, Maryland  20878
 
USA
 
Designated Filer:                                           Sigma-Tau Finanziaria S.p.A.
 
Issuer & Ticker Symbol:                                           Soligenix, Inc. (SNGX)
 
Date of Earliest
 
Transaction Required
 
to be Reported:                                           12/20/12
 
Signature:                                 /s/ Fabio Amabile______________________ 
 
Name:  Fabio Amabile
 
Title:    Attorney-in-fact
 
SIGMA-TAU PHARMACEUTICALS, INC.