Gran Colombia Gold Files 43-101 Technical Report For Its Marmato Project

Gran Colombia Gold Corp. (TSX: GCM; OTCQX: TPRFF) announced today that it has filed a preliminary economic assessment (“PEA”) technical report on its Marmato Project (the “Technical Report”) pursuant to Canada’s National Instrument 43‐101 – Standards of Disclosure for Mineral Projects (“NI 43‐101″). The Technical Report supports the disclosure made by the company in its October 15, 2019 news release and is based on the updated Mineral Resource estimate for the Marmato Project with an effective date of July 31, 2019.

The Technical Report, with a report date of November 27, 2019 and an effective date of July 31, 2019, was prepared by SRK Consulting (U.S.), Inc. and is entitled “NI 43-101 Technical Report Preliminary Economic Assessment Marmato Project Colombia”. The “qualified persons” for the purposes of NI 43-101 include Ben Parsons, MSc, MAusIMM (CP) – Principal Consultant (Resource Geologist); Cristian Pereira Farias, SME-RM – Senior Consultant (Hydrogeologist); David Bird, PG, SME-RM – Associate Principal Consultant (Geochemistry); David Hoekstra, Bs, PE, NCEES, SME-RM – Principal Consultant (Water Resource Engineering); Eric Olin, MSc, Metallurgy, MBA, SME-RM, MAusIMM – Principal Consultant (Metallurgy); Fernando Rodrigues, BS Mining, MBA, MAusIMM, MMSAQP – Principal Consultant (Mining Engineer); Jeff Osborn, BEng, Mining, MMSAQP – Principal Consultant (Mining Engineer); Joanna Poeck, BEng Mining, SME-RM, MMSAQP – Principal Consultant (Mining Engineer); John Tinucci, PhD, PE, ISRM – Principal Consultant (Geotechnical Engineer); Mark Allan Willow, MSc, CEM, SME-RM – Principal Consultant (Environmental); and Joshua Sames, BSc Civil, PE – Senior Consultant (Civil Engineering).

The report is available on the Company’s website at www.grancolombiagold.com and under the Company’s profile on SEDAR at www.sedar.com