OOO Garant Energo acquired additional 6.23% stake in Kuban Power Sale Company Open Joint-Stock Company (MISX:KBSB) on June 9, 2017. OOO Garant Energo completed the acquisition of additional 6.23% stake in Kuban Power Sale Company Open Joint-Stock Company (MISX:KBSB) on June 9, 2017.