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De Grey Mining Ltd.

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Summary

Project:

Pilbara

Deposit:Mallina
Location:Australia
Commodities:Gold
Date:11/11/2019
Report Code:JORC
Report Type:Exploration/Drilling Update
Project Stage:Pursuing Pre-Feasibility Study
Report details:11-11-2019: De Grey Mining Ltd. announces an Exploration/Drilling Update report for its Mallina deposit at the Pilbara project. Drilling results incl. 10m @ 3.1g/t Au from 53m. De Grey Mining Limited (ASX: DEG, “De Grey”, “Company”) is pleased to announce
Resources:(Resource): 3.83Mt @ 1.3g/t Au for 160.8Koz Au contained at Mallina
CP/QP:[Overall Report]: Phil Tornatora (Internal)
ABSTRACT:De Grey Mining Limited (ASX: DEG, “De Grey”, “Company”) is pleased to announce results of follow-up RC and aircore drilling at Mallina, targeting immediate extensions of the recent and previously released shallow high grade aircore intersections. Mallina has a resource of 3.83Mt @ 1.3g/t for 160,700oz* based on drilling to July 2018. Subsequent drilling has provided a substantial number of intersections outside the existing resource model. (*ASX release “2019 Total Gold Mineral Resource – 21% increase to 1.7Moz”, 16 July 2019). The recent encouraging aircore results intersected new parallel lodes not previously identified that defined broad zones of shallow gold mineralisation from surface to approximately 50m depth that included 40m @ 3.9g/t Au, 28m @ 2.6g/t Au, 32m @ 1.6/t Au and 20m @ 1.7g/t Au (ASX release “New high grade gold zones at Mallina”, 27 September 2019). Recent detailed geological relogging has also markedly improved our understanding of the controls on mineralisation and alteration zonation which is expected to aid drill targeting. The program comprising 22 RC holes, totalling 2,544m and 81 aircore holes, totalling 4,381m was completed to follow-up the encouraging aircore results. Table 1 provides a listing of all results (>2gm*m) and Figures 1-5 provide a summary of the new drilling results.

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