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25 January 2010
Notification about acquisition of a block of shares
27 November 2009
Unaudited Financial Statements and the work results for the nine months of 2009
15 October 2009
Projected investement and load results of the 9 months of 2009
28 August 2009
Unaudited Financial Statements and interim statement for the first quater of 2009
11 August 2009
Regarding the realization of the official offer and the work results of the half-year