LAUSANNE, Switzerland, IRVINE, CA, USA, - October 25, 2006 – IsoTis
S.A.(SWX/Euronext: ISON) (TSX: ISO) will release its third quarter 2006
results on November 9 before the financial markets open. To discuss these
results, the Company will conduct a conference call at 4:30 p.m. CET/ 10:30
a.m. ET/7:30 a.m. PT.

The call will be audiocast live on the IsoTis website at www.isotis.com (–
investors – IR investor center). To participate in the conference call,
dial: +41 91 610 5609 (Europe); +44 20 7107 0613 (UK); +1 866 865 5144
(toll free dial in US/Canada); no password required.