On December 14, 2015, the Alberta Securities Commission released its much anticipated decision concerning the 120-day shareholder rights plan adopted by Canadian Oil Sands Limited in response to the unsolicited take-over bid for COSL commenced by Suncor Energy Inc. on October 5, 2015. The ASC permitted the COSL tactical shareholder rights plan to remain effective until January 4, 2016, resulting in a 90-day bid period.