21 January – 21 March 2011
close period prior to the publication of annual results
21 March 2011
annual report and consolidated annual report for 2010
28 April – 11 May 2011
close period prior to the publication of quarterly results
11 May 2011
consolidated quarterly report for 1Q 2011
02 August – 31 August 2011
close period prior to the publication of semi- annual results
31 August 2011
consolidated semi-annual report for 2011
28 October – 10 November 2011
close period prior to the publication of quarterly results
10 November 2011
consolidated quarterly report for 3 Q 2011