Mestre Assays Show Further Bonanza Grades Up To 185g/t • The second set of laboratory results of 19 panel sample results from Mestre zone of the Cascavel mine were received by the company on 26 January 2018. • The highest grading samples included 185g/t, 178.5 g/t, 72.6 g/t, 40.4 g/t and 28.3 g/t. The average grade of the 19 samples was 31.42g/t. Orinoco Gold Limited (ASX: OGX) (Orinoco or the Company) is delighted to announce a second batch of outstanding panel sample assay results from the Mestre zone of Cascavel. The average grade of the 19 samples is 31.42 g/t (see table 1) This takes the total number of panel samples analysed from Mestre to 59, for a total average grade of 39,31g/t. The Mestre Zone is proving to be the ‘Jewel in the crown’ at Cascavel. Our Chief Geologist Dr Marcelo de Carvalho commented: “These results represent only the start of Mestre. Our team is working extremely hard in defining new structures as the mine develops. With the results regularly being returned from the laboratory it will make grade reconciliation and control much easier. We are currently formulating a drilling programme for Cascavel to better understand structures, grade and the prospect that this orebody continues at depth.” The Company believes these results also confirm that the recoveries being achieved from the pilot hammer mill are in the high 90 percent region. To confirm this the tailings from the hammer mill have been sent to JS Mineral for gold content analysis. Back to Basic High-Grade Mining and Milling This latest batch of 19 samples average 31.42 g/t (Table 1) which compares well with the recent hammer mill results. These latest assay results, in conjunction with test mill samples, confirm the high-grade nature of the Cascavel lodes and in particular the Mestre zone. It further provides confidence in the ‘Back to Basics’ approach that will focus on low dilution mining of this high-grade orebody together with effective processing recovery. It highlights that the resource grades are there and that to a large extent the poor recovered grades of the past year have been largely a reflection of poor processing efficiency and mining dilution. The larger hammer mill (25 ton/hr) is in the final stages of installation. A three-day delay has been incurred owing to a delay with the delivery of the soft start from our suppliers. We previously announced that the new hammer mill would be in operation this weekend but owing to the delay this will now be on Tuesday 6th February. Assay Results The average grade of the 19 samples was 31.42 g/t (see Table 1). The samples were prepared and analysed by ALS Geochemistry.
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