| March 12, 2012 |
| April 30, 2012 General Shareholders' meeting to approve 2011 financial statements |
| May 11, 2012 Board of Directors meeting to approve 2012 first quarter financial report |
| August 30, 2012 Board of Directors meeting to approve 2012 first half financial report |
| November 15, 2012 Board of Directors meeting to approve 2012 third quarter report , 2012 full year forecast and business plan for 2013-2015 |