13 September 2019 – Extraordinary General Meeting

1 November 2018 – Extraordinary General Meeting

8 January 2018 – Extraordinary General Meeting

10 January 2017 – Extraordinary General Meeting

4 February 2016 – Extraordinary General Meeting

5 December 2016 – Extraordinary General Meeting

19 May 2015 – Ordinary General Meeting

14 November 2011 – Extraordinary General Meeting

1 March 2010 – Extraordinary General Meeting

15 April 2008 – Extraordinary General Meeting

31 October 2006 – Extraordinary General Meeting