Goldsource mines announces discovery and additional exploration results at eagle mountain; 123 metres grading 1.92 gpt au – junior mining network best database software

Vancouver, British Columbia–(Newsfile Corp. – May 24, 2018) – Goldsource Mines Inc. (TSXV: GXS) (OTCBB: GXSFF) (FSE: G5M) ("Goldsource" or the "Company") announces a new discovery and further positive results on its ongoing saprolite exploration program at its 100% owned Eagle Mountain Gold Project ("Eagle Mountain" or the "Project") in Guyana, South America. This new discovery, "Salbora" area, is approximately 1.5 kilometres northwest of the Eagle Mountain deposit (see attached Figures). Through diamond drilling, the Company has also received positive results on a previously announced expansion target, "Friendly" area, located at the northern edge of the Eagle Mountain deposit (refer to the Company’s news release dated August 28, 2017).


In addition to expansion drilling, the Company is conducting in-fill drilling, geotechnical evaluation of potential tailings storage areas, and metallurgical test work in order to update its resource estimate for the ongoing Pre-Feasibility Study ("PFS") in the second half of 2018. Goldsource has retained the services of Tetra Tech Canada Inc., an independent Vancouver based company to complete a PFS for a potential large-scale open pit, gravity-cyanidation operation at Eagle Mountain.

Yannis Tsitos, President, commented, "We are encouraged with the recent results from the drilling and trenching campaigns at Eagle Mountain. The discovery of a potentially higher-grade zone at the Salbora area along with continued success in expanding mineralization on various targets including Friendly, and positive infill results from the Kilroy and Zion areas, are supportive of the potential to grow the resource base of Eagle Mountain to support a large scale gravity cyanidation operation."

The most significant result for this release was returned from T rench TRSB18-002 at the Salbora Area , which intersected 1 23 metres (hor izontal width) grading 1.92 grams per tonne ("gpt") gold. Also noteworthy are Hole EMD18-011 , 6.0 metres grading 1.51 gpt gold in the Friendly a rea ; Hole EMD18-018 , 21.4 metres grading 1.22 gpt Au , and Hole EMC18-057, 8.0 metres grading 2.65 gpt Au, which are in-fill hole s in the Kilroy and Zion area s respectively.

All reported diamond core ("EMD") and Geoprobe core ("EMC") holes are vertical with total depth drilled to hard rock contact. Geoprobe core drill depths are limited to the presence of groundwater horizon and floating near-surface boulders within the weathered saprolite layer.

Of the completed holes, analytical results have been received and reported for 20 diamond core holes, 62 Geoprobe core holes, 37 auger holes and 673 continuous meters of sampling along trenches. As reported in the table above, results for the balance of drilled holes and performed trenches are pending.

Several auger holes were historically drilled (early 2000s) in the Salbora Area with grades of trace in excess of 0.5 gpt Au. Review in early 2018 of the extensive Eagle Mountain database lead to prioritizing this target for initial trenching and plans for subsequent core drilling. Trench TRSB18-002 shows 123 metres grading 1.92 gpt Au. Saprolite mineralization appears to be similar to nearby Eagle Mountain deposit which is located within a sheared granitoid. Based on limited auger and trenching results, the Company estimates that the mineralized area of Salbora is approximately 500 metres by one kilometre with an unknown depth.

Expansion drilling and trenching have identified additional mineralized saprolite between current resource pits as well as the periphery of the known resource outline. Priority areas for expansion include the Friendly, Baredi, Bottle Bank, Red Hill, Hill#1, and Dispute areas (see attached Figures). In addition to the expansion targets, the Company has initiated its exploration program over Bishop Growler, a recently optioned-to-purchase land package (refer to the Company’s news release dated April 5, 2018). The Company is currently drilling and trenching at Bishop Growler and anticipates to release initial results for Bishop Growler Property once compilation is completed.

The Company continues in-fill drilling to re-categorize and expand resource estimates beyond the known Eagle Mountain resource area (refer to the Technical Report titled, "Preliminary Economic Assessment of the Eagle Mountain Saprolite Gold Project, Guyana", effective June 15, 2014 and dated September 12, 2014). The above table shows the most significant mineralized intercepts from in-fill drilling at the Kilroy and Zion areas. Additional in-fill work is planned for Q3 2018.

Given the success of the exploration program to date, the Company has extended its drill program to follow up on newly discovered mineralized saprolite areas, based on success, at a minimum of 1,500 metres. Subsequent to completion of this drilling program, the Company plans to release an updated resource estimate in H2 2018.

The Qualified Person under National Instrument 43-101 – Standards of Disclosure for Mineral Projects for this news release is N. Eric Fier, CPG, P.Eng, Chief Operating Officer and Executive Chairman for Goldsource, who has reviewed and approved its contents.

This news release contains "forward-looking statements" within the meaning of Canadian securities legislation. Such forward‑looking statements concern Goldsource’s strategic plans, timing and expectations for the Company’s exploration and drilling programs at Eagle Mountain; information regarding high grade areas projected from sampling results and drilling results; and timing and completion of an updated resource estimate and a PFS. Such forward‑looking statements or information are based on a number of assumptions, which may prove to be incorrect. Assumptions have been made regarding, among other things: conditions in general economic and financial markets; accuracy of the interpretations and assumptions used in calculating inferred mineral resource estimates; availability of mining equipment; availability of skilled labour; timing and amount of capital expenditures; performance of available laboratory and other related services; and future operating costs. The actual results could differ materially from those anticipated in these forward‑looking statements as a result of the risk factors including: the timing and content of work programs; results of exploration activities and development of mineral properties; the interpretation of drilling results and other geological data; the uncertainties of resource estimations; receipt, maintenance and security of permits and mineral property titles; environmental and other regulatory risks; project costs overruns or unanticipated costs and expenses; and general market and industry conditions. Forward-looking statements are based on the expectations and opinions of the Company’s management on the date the statements are made. The assumptions used in the preparation of such statements, although considered reasonable at the time of preparation, may prove to be imprecise and, as such, readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date the statements were made. The Company undertakes no obligation to update or revise any forward-looking statements included in this news release if these beliefs, estimates and opinions or other circumstances should change, except as otherwise required by applicable law.

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