Suncor Energy Inc. and Canadian Oil Sands Limited declared the filing and mailing of a notice of variation and change to Suncor's offer and a notice of change to the COS directors' circular.

These changes relate to the previously announced increase in the original offer to COS shareholders to 0.28 of a Suncor share for each COS share (the "Amended Offer"). The Amended Offer also provides for, among other things, an extension of the expiration time for the offer to 4:00 p.m. (MT) on Friday, February 5, 2016.

Tags: Canadian Oil Sands Limited (COS), Suncor Energy