Aldebaran Resources Inc. reported results for hole ALD-23-225B from its ongoing drilling campaign at the Altar copper-gold project in San Juan Province, Argentina. Hole ALD-23-225 B was drilled to test the continuity between mineralization encountered in previously released holes ALD-22-223 (1,167.50 m of 0.48% CuEq - see Company news release dated March 1, 2023) and ALD-23-224 (769.50 m of 0.55% CuEq - see company news release dated May 11, 2023), and to provide another pierce point into the promising geophysical anomaly that sits below and lateral to the current resources at Altar. Hole ALD-23 -225B was terminated at 1,347.20 m depth and intercepted a long run of mineralization, representing one of the best holes drilled on the property to date.

Highlights. ALD-23-225D; 1,056.20 m of 0.56% CuEq from 291 m depth; Including 951.20 m of 0.60% CuEq from 396 m depth; Including 645.00 m of 0.70% CuEq from 622 m depth; Including 80 m of 0.89% CuEq from 946 m depth; Higher-grade than the current average grade of the mineral resource; Hole ended in 19.20 m of 0.50 % CuEq; Provides additional confirmation that the mineralized footprint of the Altar system is much larger than previously understood. Drillhole ALD-23-225B was collared 230 m southwest from ALD-22-223.

It was drilled at -80 degrees inclination and 180 degrees azimuth to a final depth of 1,347.50 m. This hole is a twin of ALD-23-225, which was lost at 179 m depth. Drillhole ALD-23-225B intersected diorite porphyry from surface to 1,324.2 m depth where the hole transitions to andesitic volcanic rocks cut by diorite porphyry dykes until the end of the hole. The top 280 m of the hole are strongly oxidized and fractured.

A poorly formed enrichment zone occurs from the base of oxidation to 460 m depth. This interval is characterized by weak chalcocite-pyrite-chalcopyrite mineralization associated with white sericite alteration overprinting potassic alteration. From 460 m until the end of the hole the dominant alteration is characterized by green sericite-quartz-anhydrite assemblages overprinting earlier potassic alteration, both of which are well mineralized.

The green sericite-quartz-anhydrite-chalcopyrite-(chalcocite) assemblage occurs as halos of hairline veins that overprint earlier K feldspar-biotite-chalcopyrite alteration. These halo-style veins are pervasive and obliterate the original texture of the rock and are associated with abundant fine-grained sulphides associated with very high copper grades. Occurrence of these halo veins correspond with an increasing frequency of quartz-chalcopyrite-pyrite-molybdenite veins, which in most cases are crosscutting the halo-style veins.

Mineralization in this interval consists of fine-grained sulphides consisting of chalcopyrite-pyrite-bornite-molybdenite. The Company is actively drilling with four rigs. Holes ALD-23-227, ALD-23-228, ALD-23-230, ALD-23-231 and ALD-23-189EXT were recently completed and were terminated at 1,238.5 m, 1,241.6 m, 611.4 m, 1,211.8 m, and 1,246.0 m respectively: all pending final assays.

Hole ALD-23-189EXT is an extension of historical drill hole ALD-12-189, which was originally terminated at 592 m depth. At the date of this release, three new holes were being drilled: hole ALD-23-229 was at approximately 1,401.5 m depth, while holes ALD-23-232 and ALD-23-124EXT were at approximately 828.35 m and 529.45 m depths, respectively. Hole ALD-23-124EXT is an extension of historical drill hole ALD-12-124, which was originally terminated at 226.50 m depth.

The fourth rig is being mobilized to drill pad ALD-23-233. The Company plans to continue drilling until weather permits, which is currently anticipated to be sometime in June 2023.