Note as of the 6 February 2007 on the issue of bonds with reedemable warrants

Note as of the 28 October 2005 on free allocation of stock purchase warrants

Note as of the 21 July 2005 on public buy out offer

2008

First half year financial statements at June 30th, 2008

Financial analyst meeting at September 5th, 2008 on the 2008 half year income

2007

2007 Annual Report

Financial analyst meeting at March,25th 2008 on the 2007 annual income

Half-year information at December, 31st 2007

Update of reference document filed on 12 February 2008

First half-year financial statements at June 30th, 2007

Financial analyst meeting at September 11th, 2007 on the 2007 Half Year income

Half-year information at June 30th, 2007

2006

2006 Annual Report

Financial analyst meeting at April 24th, 2007 on the 2006 annual income

Half-year information at 12/31/2006

First half-year financial statements at June 30th, 2006

Financial analyst meeting at September 29th, 2006 on the first-half 2006 income

Half-year information at 06/30/2006

2005

2005 Annual Report

Financial analyst meeting at March 30th, 2006 on the 2005 annual income

Half-year information at 12/31/2005

First half-year financial statements at June 30th, 2005 (update of the reference document October, 28th 2005)

Financial analyst meeting at September 29th, 2005 on the first-half 2005 income

Half-year information at 06/30/2005

2004

2004 Annual Report

Update of the reference document July 21, 2005

Financial analyst meeting at March 29th, 2005 on the 2004 annual income

Half-year information at 12/31/2004

First half-year financial statements at June 30th, 2004

Financial analyst meeting at September 30th, 2005 on the first-half 2004 income

Half-year information at 06/30/2004

2003

2003 Annual Report

Financial analyst meeting at Marsh 31th, 2004 on the 2003 annual income

Half-year information at 12/31/2003

2003 First half-year financial statements

Financial analyst meeting at October 13th, 2003 on the first-half 2003 income

Half-year information at 06/30/2003

2002

2002 Annual Report

Half-year information at 12/31/2002

Half-year information at 06/30/2002

2001

2033 1 Annual Report

2033 1 Company profile

2000

2000 Annual Report

2000 Company profile