Exhibit 99

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:	DOR BioPharma, Inc. (DORB)
Date of Earliest
Transaction Required
to be Reported:	9/24/09
Signature:	/s/  Gregg Lapointe
	Name:  Gregg Lapointe
	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:	DOR BioPharma, Inc. (DORB)
Date of Earliest
Transaction Required
to be Reported:	9/24/09
Signature:	/s/  Gregg Lapointe
	Name:  Gregg Lapointe
	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:	DOR BioPharma, Inc. (DORB)
Date of Earliest
Transaction Required
to be Reported:	9/24/09
Signature:	/s/  Gregg Lapointe
	Name:  Gregg Lapointe
	Title:    Chief Executive Officer
	SIGMA-TAU PHARMACEUTICALS, INC.