EXHIBIT 99.1
------------
JOINT FILING AGREEMENT
The undersigned, being duly authorized thereunto, hereby execute this
agreement for inclusion as an exhibit to a Schedule 13G with respect to the
common stock, par value $0.01 per share, of Xxxxx Pharmaceutical Group, Inc. to
evidence the agreement of the below-named parties, in accordance with the rules
promulgated pursuant to the Securities Exchange Act of 1934, as amended, to file
such Schedule 13G, and any amendments or supplements thereto, jointly on behalf
of each such party.
Date: January 23, 2006 Date: January 23, 0000
XXX V LIFE SCIENCE VENTURES TVM V LIFE SCIENCE VENTURES
MANAGEMENT GMBH & CO. KG GMBH & CO. KG
By: /s/ Xxxx X. Xxxxxxxx By: /s/ Xxxx X. Xxxxxxxx
----------------------- -----------------------
Xxxx X. Xxxxxxxx Xxxx X. Xxxxxxxx
Managing Limited Partner For TVM V Life Science Ventures
Management GmbH & Co. KG as
general partner of TVM V Life
Science Ventures GmbH & Co. KG
TVM V LIFE SCIENCE VENTURES By: /s/ Xxxxx Xxxxxxx
MANAGEMENT GMBH & CO. KG -----------------------
Xxxxx Xxxxxxx
For TVM V Life Science Ventures
By: /s/ Xxxxx Xxxxxxx Management GmbH & Co. KG as
----------------------- general partner of TVM V Life
Xxxxx Xxxxxxx Science Ventures GmbH & Co. KG
Managing Limited Partner
