Dec 4 (Reuters) - Aurora Cannabis Inc ACB.TO :
* AURORA CANNABIS INCREASES OWNERSHIP INTEREST IN CANN GROUP LTD.
* AURORA CANNABIS INC SAYS IS INCREASING ITS OWNERSHIP STAKE IN CANN GROUP LTD FROM 19.9% TO 22.9%
* AURORA CANNABIS INC - WILL INVEST UP TO AUS$26 MILLION (ABOUT C$25.1 MILLION) TO INCREASE ITS OWNERSHIP PARTICIPATION TO 22.9%