SLAM Exploration Drills Over 30 Meters of Massive Sulphide Beneath VTEM Conductor on the Goodwin Copper Nickel Cobalt Project

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SLAM Follows VTEM Survey With Massive Sulphide Intercepts in the Mineral-Rich Province of New Brunswick, Canada MIRAMICHI, NB / ACCESS Newswire / June 17, 2026 / SLAM Exploration Ltd. (TSXV:SXL) ("SLAM" or the "Company") is pleased to announce it has drilled over 30 meters of massive sulphide mineralization in diamond drill hole GW26-29 including a 26.10 meter ("m") massive sulfide core interval from 18.70 to 44.80 m; a 1.85 m zone from 46.75-48.60 m plus a 2.15 m zone of massive sulphides from 57.9-60.05 m. The Company has completed 4 diamond drill holes (GW26-26 to GW26-29) since mobilizing on June 1, 2026 for the 7,000 meter diamond drilling program on the Goodwin copper-nickel-cobalt project. Figure 1 Hole GW26-29 Massive Sulphide Interval All 4 holes have cut gabbro mineralized with pyrrhotite and assay results from all four holes are pending. A fifth hole, GW26-30, is currently in progress. The first 4 holes are described as follows: GW26-26 - Designed to test a VTEM conductor 1,600 meters southeast of the Farquharson zone. Drilled at azimuth 055° and dip of -50° from a collar at 476 m elevation (N 5,237,581 / E 699,469) to a depth of 200 m. The hole intersected a sequence of gabbro and mafic tuff with disseminated to semi-massive pyrrhotite present throughout the mineralized intervals. Pyrrhotite occurs as disseminated blebs and stringers, with massive seams from 148.15 to 148.20 and 149.27 149.60. Chalcopyrite noted in the deeper portions of the hole. A total of 57 core samples were submitted for assay. GW26-27 - Designed to test a VTEM conductor from a collar 80 meters east of the collar for Logan Zone hole GW24-15. Drilled at azimuth 215° and dip of -60° from a collar at 393 m elevation (N 5,239,345 / E 697,310) to a depth of 110 m. The hole intersected medium-grained gabbro with a sustained and progressive increase in pyrrhotite mineralization with depth across a 27.85 meter interval from 46.00 to 73.85 meters., demonstrating the strong association between the gabbro host rock and sulfide mineralization at this target. A total of 44 core samples were sawn and submitted for assay. GW26-28 - Designed to test a VTEM conductor from the same collar location as Logan zone drill hole GW24-08. Drilled at azimuth 360° and dip of -45° from a collar at 395 m elevation (N 5,239,410 / E 697,180) to a depth of 163 m. The hole intersected chloritized volcanic...

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