16 January – 16 March 2012
close period prior to the publication of annual results

16 March 2012
annual report and consolidated annual report for 2011

02 May -15 May 2012
close period prior to the publication of quarterly  results

15 May 2012
consolidated quarterly report for 1Q 2012

02 August – 31 August 2012
close period prior to the publication of semi- annual results

31 August 2012
consolidated semi-annual report for 2012

01 November – 14 November 2012
close period prior to the publication of quarterly  results

14 November 2012
consolidated quarterly report for 3 Q 2012