As at December 31, 2016 and December 31, 2015 non-controlling interests related mainly to non-controlling shareholders of PGE EJ 1 sp. z o.o.

The below table presents changes in non-controlling interests in the reporting periods.

  As at December 31, 2016 As at December 31, 2015
AS AT JANUARY 1 96 116
Share in net profit of subsidiaries (2) (5)
Dividends declared by subsidiaries (4) (4)
Change in ownership interests while retaining control - 68
Increase of equity, shares acquisition 10 -
Acquisition of non-controlling interests by the Group (4) (78)
Other changes - (1)
AS AT 31 DECEMBER 31 96 96

Acquisition of non-controlling interests during the year ended December 31, 2016 and December 31, 2015 relates mainly to the acquisition of shares of PGE Górnictwo i Energetyka Konwencjonalna S.A. by PGE S.A.

Change in ownership interests while retaining control that took place in the year ended December 31, 2015 concerns sales of 30% of PGE EJ1 sp. z o.o. shares owned by PGE S.A.