Christian Richner

citizen of Zürich und Rohr AG, Winterthur

Commercial register

Chair of the board of directors · joint signature by two · Zürich

until Jan 23, 2003

Chair of the board of directors · sole signature · Schönenbuch

until Sep 27, 2000

Member of the committee · no signing authority · Zürich

until Oct 5, 1995

Chair of the board of directors · sole signature · Winterthur

until Jul 6, 1994

Member of the board of directors · sole signature

until Dec 16, 1993