2018 Special Meeting of Shareholders

Thursday April 19, 2018
Dentons Canada LLP, 77 King Street West, Suite 400
Toronto-Dominion Centre Toronto, ON M5K 0A1 Canada

Please note that, as announced in the Gran Colombia press release dated March 22, 2018, the Special Meeting of Shareholders was postponed to April 19, 2018 and supplemental shareholder materials were provided.