Calidus Resources Limited announced that the maiden drill program has commenced at Pirra Lithium's Spear Hill discovery located in the Pilbara region of Western Australia and unveiled in March 20221. Pirra Lithium is owned equally by Calidus and Haoma Mining NL2. The initial drill program will comprise of 38 holes for approximately 3,000 meters. The program will test a pegmatite that has yielded assays of 0.66%-2.34% U2O3 and a second poorly-exposed pegmatite to the north.HIGHLIGHTSHeritage survey completed and Program of Work approvedOutcropping lithium pegmatite body to be tested over 1.2km of the total 2.5km strike length where rock chips assayed up to 2.34% Li20Drilling designed to target an initial outcropping pegmatite to determine widths and down-dip extentDrilling will test the potential for additional lithium bearing pegmatites in the hanging wall and footwallCalidus Managing Director Mr Dave Reeves said "We believe Spear Hill has excellent potential, as indicated by the high-grade lithium rock-chip results identified earlier this year. The commencement of the maiden drill program so soon after the initial discovery demonstrates the Company's determination to accelerate exploration progress at the project. Concurrently we are actively assessing the lithium potential across the wider Spear Hill area and the rest of the tenement package, utilizing interpretation of remotely sensed data, field mapping, and rock-chip sampling. Exploration to date has only tested a fraction of the large tenement package and rights owned by Pirra Lithium, and we are excited to unlock the full potential of the Pilbara".