De Grey Mining Limited provides drilling update at the Hemi Gold Discovery. Measured and Indicated Mineral Resources across the MGP comprise 3.8Moz @ 1.4g/t Au including 2.8Moz @ 1.3g/t Au at Hemi. These Mineral Resources provide a strong platform for a scoping study targeted for completion in the September quarter 2021. There is clear potential for the maiden Hemi and Global MGP Mineral Resources to grow along strike and at depth. Substantial drilling programs have continued at Hemi since the Mineral Resource assay cutoff date of 17 May 2021. Hemi contains over 25,000 ounces per vertical metre (oz/Vm) in the shallow, better drilled portions of the Mineral Resource. Overall Hemi "Finding Cost" is ~$8.50/oz, which is well below the industry average of $20/oz. The Hemi discovery occurs in the central portion of De Grey's large Mallina Gold Project (MGP). The Mallina Gold Project (MGP) comprises a package of over 1,500km2 of contiguous landholding and is located approximately 60km south of Port Hedland in the northern Pilbara region of Western Australia. Port Hedland is Australia's export port for iron ore and the town hosts a large mining service industry and major infrastructure network, includingmajor highways, international airport, power station and port facilities. Hemi was first discovered in aircore drilling in November 2019 and confirmed by RC drilling in March 2020. Hemi comprises a cluster of six individual gold deposits: Brolga, Aquila, Crow, Falcon and the more recent discoveries of Diucon and Eagle. The maiden resource estimate is based on 688 RC holes (134,166m) and 169 diamond holes (69,061m including RC pre-collars) for a total of 203,228m. Overall, drilling at Hemi including aircore drilling exceeds over 400,000m with substantial aircore, RC and diamond drilling programs continuing.