Mr. Greg Isenor reports

ROSCAN MINERALS PROVIDES UPDATE ON DORMAA PROJECT - GHANA AND KANDIOLE PROJECT - MALI, WEST AFRICA

Roscan Minerals Corp. has released results from air core (AC) drilling carried out on the Dormaa property, Ghana, West Africa, in which Roscan has an option to earn a 50-per-cent interest. Roscan has elected to discontinue the option due to unfavourable drilling results. Roscan also provides an update on the Kandiole project, Mali, West Africa.

Exploration update -- Ghana

The AC drill program was planned to investigate the mineralization which was suspected to be coherent with anomalous surface geochemical responses. Six targets were generated to be tested in the drill program. The targets were located at Amasu, Pampamsu, Aboabo No. 1 and Subinkrom within the Dormaa project.

Roscan has the right to earn a 50-per-cent interest in the 86-square-kilometre concession, located in the Brong Ahafo region of Ghana, by paying a total of $260,000 ($10,000 of which has been paid) and financing a total of $2-million of exploration to be completed by Pelangio ($300,000 of which has been spent). Roscan has elected to discontinue the option on the Dormaa property to allow greater focus on its core project, the Kandiole project in Mali. As a result, 100-per-cent interest in the property will revert to Pelangio.

Details of the drilling program:

• Forty-nine AC holes were drilled on the Dormaa project.

• The AC holes were drilled on six fences at 25-metre (m) spacing in a head-to-heel arrangement with approximately eight holes per fence.

• An average depth per hole was 41 m with a total of 2,013.5 m completed.

A total of 1,332 samples were submitted to Intertek Labs in Tarkwa, Ghana, for fire assay gold analysis on 50-gram pulps.

The initial results revealed a total of 31 intercepts of gold mineralization greater than 0.1 gram per tonne within five of the six target areas. Of these results, hole DOAC18-10 recorded 1.2 g/t as the highest grade of the entire drilling program within the interval 20 to 21.5 m. Hole DOAC18-07 recorded 0.69 g/t from 17 to 18.5 m. These results were well below expectation, hence, a limited resampling of the AC samples was carried out and analyzed at the ALS lab in Kumasi, Ghana, for gold using screen fire assay.

Resampling for screen fire assay analysis

A total of 82 sample rejects were processed by ALS labs for screen fire assay on 1,000 gram pulps. Screen fire assay was conducted on a few intervals which had weak indications of gold mineralization in the initial fire assay procedure. Eighty-two intervals (each interval is 1.5 m) were resampled for screen fire assay which did not show a material difference from the original results. As a result, no further work is planned for the Dormaa project at this time.

Quality assurance/quality control for Dormaa sample assaying

The drill holes reported in this press release were drilled using 95-millimetre-sized AC centre-returned drill bits to an average depth of 41 m. All drilling performed with the AC set-up was completed within oxides without water injection. Contractors working for Pelangio conducted all logging and sampling. Company security is provided at the drill site.

Sample intervals for the AC drilling were 1.5 m, with samples being split from a cyclone exhaust and weighed. A sample in return was split from the primary sample with a riffle splitter to obtain an average 2.5-kilogram sample for assay. A sample of chips was extracted from the primary sample with a sieve and water and put in a chip tray with the interval marked on the chip tray. Field logging was aided with hand lens. The 2.5-kilogram sample for assay is placed into sealed bags securely stored at the site until it was shipped to Intertek Minerals Ltd. laboratory in Tarkwa, Ghana. The AC samples were dried and pulverized to 75 microns by Intertek and a 150-gram pulp was prepared from the pulverized material. Intertek conducted routine gold analysis using a 50-gram charge and fire assaying with atomic absorption (AAS) finish. Quality control procedures included the systematic insertion of blanks, duplicates and certified reference materials (CRM) into the sample stream at the rate of one per every 20 samples. In addition, Intertek inserted one preparation blank and a CRM every 20 samples and ran one duplicate analysis every 20 samples.

The screen assay procedure -- ALS Labs for Dormaa sample assaying

The gravimetric method was used. A thousand grams of the final prepared pulp is passed through a 100-micron (Tyler 150 mesh) stainless steel screen to separate the oversize fractions. Any plus-100 micron (coarser than 100 microns) material remaining on the screen is retained and analyzed in its entirety by fire assay with gravimetric finish and reported as the Au (plus) fraction result. The 100-micron fraction is homogenized, and two subsamples are analyzed by fire assay with AAS finish (Au-AA24 and Au-AA24d). The average of the two AAS result is taken and reported as the Au fraction result. All three methods are used in calculating the combined gold content of the plus and minus fractions.

In the fire assay procedure, the sample is fused with a mixture of lead oxide, sodium carbonate, borax, silica and other reagents as required in order to produce a lead button. The lead button containing the precious metals is cupelled to remove the lead and the resulting precious metal bead is parted in dilute nitric acid, annealed and weighed to determine the gold content.

The gold values for both the plus-100 and minus-100-micron fractions are reported together with the weight of each fraction as well as the calculated total gold content of the sample.

Exploration update -- Mali

The initial permit acquisition phase for the Kandiole project has been completed and reconnaissance mapping, prospecting and grab sampling have also been completed on the entire project area. Currently, the 2018 exploration program at Kandiole has been suspended for the seasonal rains. In addition, detailed soils and termite samples have been collected from areas of immediate interest. All grab sample assays have been received and soil and termite samples have been sent for analysis. Results will be released once they are received, validated and compiled.

Additional permits are currently being evaluated and considered for acquisition.

Qualified persons

The technical content of this press release has been reviewed and approved by Greg Isenor, PGeo (PGO No. 0074), a qualified person as defined in NI 43-101, and Warren Bates, PGeo (APGO No. 0211), who is also a qualified person, as defined by NI 43-101, and has reviewed and approved the technical contents of this press release.

About Roscan Minerals Corp.

Roscan is a Canadian gold exploration company focused on West Africa. The company has assembled a land position of 100-per-cent-owned permits in an area of large gold deposits for its Kandiole project in west Mali.

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