Ettore Tenchio

citizen of Verdabbio, Coira

Commercial register

OLEODOTTO DEL RENO SA

Chair of the board of directors · sole signature · Chur

until Feb 22, 2007

Chair of the board of directors · joint signature by two

until Aug 7, 2002
Holiday Hotels SA

Chair of the board of directors · joint signature by two · St. Moritz

until Aug 26, 2005
SIF SA

Chair of the board of directors · sole signature · Thônex

until Apr 14, 2005
SIF SA

Chair of the board of directors · sole signature · Zürich

until Apr 12, 2005
SIF SA

Chair of the board of directors · sole signature · Ecublens (VD)

until Dec 31, 2004
Sir Oliver Duncan Stiftung

Secretary of the board of directors · sole signature · Kerns

until Nov 3, 2004
Lessor Holding AG

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

until Jun 14, 2002
Misoxer Kraftwerke AG

Vice-chair of the board of directors · joint signature by two · Mesocco

until May 18, 1999
Transitgas AG

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

until Aug 11, 1997