Gran Colombia is a Canadian-based gold and silver exploration, development and production company with its primary focus in Colombia. Gran Colombia is currently the largest underground gold and silver producer in Colombia (174,000 ozs Au in 2017) with several underground mines and two processing plants in operation at its Segovia and Marmato Operations. Gran Colombia is continuing to explore, expand and modernize its high grade, production stage Segovia Operations. In recent years, Gran Colombia has successfully implemented a number of cost savings initiatives, bringing its Cash Cost to US$720 per ounce and its All-In Sustaining Cost (AISC) to US$918 per ounce in 2017. Gran Colombia increased its mineral resources at Segovia by 13% in 2017 and reported its first ever reserve for Segovia of 660,000 ounces as of December 2017. Gran Colombia is continuing its exploration programs at both Segovia and Marmato in 2018.