| Company | Share | Date / Documentation |
|---|---|---|
| Ltd Kavkasiis Teknikuri Servisi | 9% (Former) 9% (Former) 9% (Former) 9% (Former) 9% (Former) 9% (Former) 9% (Former) July 18, 2012 July 16, 2012 May 25, 2012 April 19, 2012 February 21, 2011 February 10, 2011 March 30, 2010 | |