Regulatory News:

SARTORIUS STEDIM BIOTECH SA (Paris:DIM):

DECLARATION RELATIVE TO

THE NUMBER OF SHARES AND VOTING RIGHTS

MAKING UP THE ISSUED CAPITAL

Article L 233-8-II of the Code of commerce

and article 222-12-5 of the general regulations of the AMF

Designation of issuer

SARTORIUS STEDIM BIOTECH SA

CS 91051

Z. I. Les Paluds

Avenue de Jouques

13781 Aubagne Cedex

Deadline date for information   Total number of shares making up

the issued capital

   Total number of voting rights
January 7th, 2013 17,041,306 Gross total of voting rights: 28,664,315
Net total *of voting rights: 26,965,605

* Net total = total number of voting rights attached to shares - private share voting right

S.A. au capital de 10 386 682,28 ?

RCS de Marseille B 314 093 352

SIRET 314 093 352 00073 - APE 252 H

TVA FR 49 314 093 352

Sartorius Stedim Biotech SA
t:+33.(0)4.42.84.56.00
f:+33.(0)4.42.84.56 19
www.sartorius-stedim.com