Koryx Copper drills further results at Haib, Namibia

969m @ 0.27% Cu Eq, the Longest Continuously Mineralised Intersection Drilled at Haib to Date

Highlights

Assay results reported for 19 drill holes comprising over 8,586m of infill drilling.

Consistent, wide intercepts up to 969m in width, including 236m @ 0.57% CuEq.

High-grade mineralisation from surface in HM177, including 30m @ 1.10% CuEq.

All 19 holes intersected thick mineralisation including multiple intercepts above average MRE grade.

Best 6 of 19 drill hole assay intersections as follows: HM185: 413m @ 0.41% CuEq (89ppm Mo, 0.022g/t Au) (0 – 413m)

incl. 236m @ 0.57% CuEq (156 – 392m)

HM177: 413m @ 0.38% CuEq (49ppm Mo, 0.029g/t Au) (1 – 414m)

incl. 30m @ 1.10% CuEq (8 – 38m) and 18m @ 0.58% CuEq (236 – 254m) and 10m @ 1.33% CuEq (400 – 410m)

HM168: 728m @ 0.32% CuEq (103ppm Mo, 0.027g/t Au) (1 – 729m)

incl. 40m @ 0.60% CuEq (288 – 328m) and 50m @ 0.51% CuEq (554 – 604m) and 72m @ 0.36% CuEq (620 – 692m)

HM165: 600m @ 0.30% CuEq (35ppm Mo, 0.023g/t Au) (0 – 600m)

incl. 78m @ 0.43% CuEq (98 – 176m) and 54m @ 0.46% CuEq (270 – 324m) and 48m @ 0.48% CuEq (368 – 416m)

HM164: 855m @ 0.28% CuEq (108ppm Mo, 0.017g/t Au) (0 – 855m)

incl. 110m @ 0.50% CuEq (250 – 360m) and 12m @ 0.41% CuEq (368 – 380m) and 48m @ 0.52% CuEq (592 – 640m)

HM167: 969m @ 0.27% CuEq (84ppm Mo, 0.021g/t Au) (0 – 969m)

incl. 18m @ 0.48% CuEq (268 – 286m) and 58m @ 0.45% CuEq (550 – 608m) and 28m @ 0.42% CuEq (788 – 816m)

LUXEMBOURG, Aug. 26, 2026 (GLOBE NEWSWIRE) -- Koryx Copper S.A. (TSX:KRY.V) (NSX:KYX) (OTCQX:KRYXF) (“Koryx” or the "Company") is pleased to announce assay results from 19 drill holes (8,586m) received as part of the ongoing infill and expansion drill program on the wholly-owned Haib Copper Project (“Haib” or the “Project”) in southern Namibia. Haib is a massive, disseminated porphyry Cu deposit with associated Mo and Au and is envisage