Gran Colombia Gold Receives Consent to Extend Maturity of US$47 Million of Senior Secured Convertible Debentures to 2024

TORONTO, ON--(Marketwired - May 12, 2017) - Gran Colombia Gold Corp. (TSX: GCM) announced today that its consent solicitation process (the "Consent Solicitation") concluded yesterday and holders of 77.4% of the total principal amount of the Company's issued and outstanding 2020 Debentures consented to the Company's proposal to amend the Amended and Restated Indenture dated as of January 20, 2016, as amended January 1, 2017, (the "Indenture") to provide holders the option to extend the maturity date of their 2020 Debentures to January 2, 2024 (the "Extended Debentures"). In addition, holders of a total of US$47.0 million of 2020 Debentures elected to extend their 2020 Debentures to 2024.