LAURION Advances Northeast Extension and Intersects 1.20 m at 6.58 g/t Au and 6.00 m at 0.206 g/t Au, 19.8 g/t Ag, 0.28% Cu and 0.83% Zn, Including 0.50 m at 1.795 g/t Au, 223 g/t Ag, 3.31% Cu and 8.47% Zn at A-Zone-McLeod

Highlights Include:

LBX26-111:

3.35 m grading 0.523 g/t Au (92.30 m to 95.65 m) including:

0.60 m grading 2.480 g/t Au , 4.20 g/t Ag, 0.04% Cu and 0.45% Zn (92.30 m to 92.90 m) .

0.50 m grading 1.255 g/t Au, 5.00 g/t Ag and 1.29% Zn (134.30 m to 134.80 m).

1.55 m grading 0.494 g/t Au, 6.87 g/t Ag, 0.14% Cu and 0.24% Zn (157.00 m to 158.55 m), including:

0.65 m grading 1.005 g/t Au, 11.40 g/t Ag, 0.20% Cu and 0.33% Zn (157.90 m to 158.55 m).

LBX26-112:

1.20 m grading 6.580 g/t Au (78.80 m to 80.00 m).

6.00 m grading 0.206 g/t Au, 19.80 g/t Ag, 0.28% Cu and 0.83% Zn (96.00 m to 102.0 m), including:

0.50 m grading 1.795 g/t Au, 223.00 g/t Ag, 3.31% Cu and 8.47% Zn (97.00 m to 97.50 m) .

2.20 m grading 0.387 g/t Au, 5.93 g/t Ag, 0.23% Cu and 0.56% Zn (210.80 m to 213.00 m), including:

0.70 m grading 1.060 g/t Au, 16.10 g/t Ag, 0.68% Cu and 1.20% Zn (211.60 m to 212.30 m).

A separate 2.10 m interval grading 175 g/t Ag , together with 0.045 g/t Au, 0.03% Cu and 0.39% Zn (231.00 m to 233.10 m).

TORONTO, Ontario — September 28, 2026 – TheNewswire — LAURION Mineral Exploration Inc. (TSX-V: LME | OTC: LMEFF | FSE: 5YD) (“LAURION” or the “Company”) is pleased to report assay results from drill holes LBX26-111 and LBX26-112 from its 2026 Phase 1 diamond drilling program at its 100%-owned Ishkōday Gold and Polymetallic Project (“Ishkōday”), located approximately 220 km northeast of Thunder Bay and 28 km northeast of Beardmore, Northwestern Ontario.

Phase 1 Drill Program and Progress

Through targeted infill, expansion and exploration drilling, LAURION’s 2026 Phase 1 drill progr